Biomass Burner Stove, Chulha, Bhatti or Shegdi Food Businesses

Replace LPG with Biomass Burner Stove, Chulha, Bhatti or Shegdi for Hotels, Restaurants, Canteens and Catering Businesses

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Replace LPG with Biomass Burner Stove, Chulha, Bhatti or Shegdi for Hotels, Restaurants, Canteens and Catering Businesses

Introduction

Fuel is one of the most important operating expenses for hotels, restaurants, canteens, catering businesses, hostels, roadside food centres, tea stalls, sweet shops, namkeen manufacturers and commercial kitchens. Every day, these businesses require large quantities of heat for boiling, frying, roasting, baking, steaming, preparing gravies, making tea, cooking rice, producing sweets and handling many other food-processing activities.

Traditionally, LPG has been one of the most commonly used fuels in commercial kitchens. It is convenient, clean and easy to control. However, increasing LPG prices, cylinder-handling problems, supply interruptions and high daily consumption can significantly reduce the profit margin of a food business.

A hotel, restaurant or canteen that uses multiple LPG cylinders every day may spend a substantial amount every month only on cooking fuel. For catering businesses, the challenge is even greater because cooking frequently takes place at temporary or outdoor locations where arranging cylinders, regulators and safe storage can be difficult.

A practical alternative is the biomass burner stove, also known in different regions as a biomass chulha, pellet chulha, commercial shegdi, biomass bhatti, pellet burner or biomass cooking stove.

A biomass burner stove uses processed biomass fuel such as biomass pellets. These pellets can be manufactured from sawdust, agricultural residues, wood waste and other suitable biomass materials. When used in a properly designed burner, biomass pellets can provide a steady, controllable and powerful flame for commercial cooking and heating.

Replacing LPG completely or partially with a biomass burner can help many food businesses reduce fuel expenditure, improve fuel availability and shift towards a more sustainable energy source. Depending on fuel prices, equipment efficiency, operating hours, heat demand and local pellet availability, businesses may potentially reduce their fuel cost considerably compared with LPG, diesel or other expensive conventional fuels.

This article explains how biomass burner stoves, chulhas, bhattis and shegdis can replace LPG in hotels, restaurants, canteens and catering applications. It also covers working principles, benefits, fuel savings, applications, selection criteria, installation requirements, maintenance, safety and practical considerations before purchasing a biomass cooking system.

What Is a Biomass Burner Stove?

A biomass burner stove is a commercial heating or cooking system designed to burn biomass fuel efficiently. Unlike a traditional wood-fired chulha, a modern biomass burner uses controlled fuel feeding and forced air supply to produce a concentrated, stable and high-temperature flame.

The most commonly used fuel in this type of burner is biomass pellets. Biomass pellets are small cylindrical fuel pieces produced by compressing biomass materials under high pressure. Common raw materials include:

Sawdust
Wood shavings
Groundnut shells
Rice husk blends
Cotton stalk
Mustard stalk
Sugarcane residue
Agricultural waste
Forestry waste
Other suitable organic residues

The exact fuel suitable for a burner depends on its design, feeding system, ash-handling capacity and combustion chamber.

A biomass burner stove usually includes the following components:

Fuel hopper: Stores biomass pellets before feeding.
Fuel-feeding system: Transfers pellets into the combustion chamber.
Combustion chamber: The area where the fuel burns.
Air blower: Supplies controlled air for efficient combustion.
Burner nozzle or flame outlet: Directs the flame towards the cooking vessel or heating application.
Control panel: Regulates fuel feeding, blower speed and sometimes ignition.
Ash collection section: Collects ash generated during combustion.
Supporting frame or stove body: Holds the cooking vessel, kadai, tawa or other equipment.

Depending on the model, the burner may have manual ignition, electric ignition or automatic ignition. Larger systems may be equipped with temperature controls, variable-speed blowers, automatic feeding and PLC-based operation.

Biomass Chulha, Shegdi, Bhatti and Burner: Are They the Same?

The names biomass chulha, shegdi, bhatti and burner are often used interchangeably, but there can be differences in design and application.

Biomass Chulha

A biomass chulha generally refers to a cooking stove designed for direct cooking. It may be suitable for restaurants, dhabas, tea stalls, canteens and community kitchens. It can support vessels such as kadais, stock pots, milk vessels, pressure cookers and large cooking pots.

Biomass Shegdi

The term “shegdi” is commonly used in Maharashtra and some other regions for a cooking stove. A biomass shegdi can be designed for domestic, semi-commercial or commercial use. Commercial biomass shegdis are stronger, larger and suitable for longer operating hours.

Biomass Bhatti

A biomass bhatti usually refers to a higher-capacity heating arrangement used for continuous frying, boiling, roasting, sweet manufacturing, milk heating or industrial food processing. It may be installed below a fixed kadai, fryer, roasting pan or furnace-like chamber.

Biomass Pellet Burner

A biomass pellet burner is generally a more advanced system that generates a directed flame. It can be connected to an existing stove, bhatti, boiler, oven, dryer, fryer or heating chamber. It usually has automatic pellet feeding and forced-air combustion.

For hotels and restaurants, a biomass chulha or shegdi may be suitable for direct vessel cooking. For sweet shops, namkeen factories, milk-processing units and larger kitchens, a pellet burner integrated with a bhatti may provide better performance.

Why Hotels and Restaurants Are Looking for LPG Alternatives

Commercial LPG offers convenience, but its operating cost can become a serious challenge for businesses that cook continuously.

High Daily Consumption

A busy restaurant may operate its kitchen for 10 to 16 hours a day. Large canteens, hostel kitchens, marriage halls and industrial kitchens may operate even longer. Continuous cooking can result in the consumption of several commercial LPG cylinders every day.

Even a small increase in the price of one cylinder can significantly affect monthly expenses.

Impact on Food Profit Margins

Food businesses already manage fluctuating prices of vegetables, grains, cooking oil, spices, milk, meat, labour, electricity, rent and transportation. When LPG prices rise, businesses may not always be able to increase menu prices immediately.

As a result, the fuel cost directly reduces the profit per plate, per meal or per kilogram of food produced.

Cylinder Storage and Handling

Commercial kitchens using LPG must manage:

Cylinder transportation
Empty-cylinder replacement
Safe storage
Regulator maintenance
Leakage checks
Hose replacement
Emergency shut-off procedures
Delivery delays
Space requirements

For large kitchens, handling multiple cylinders can become operationally difficult.

Supply Dependence

Restaurants and caterers depend on regular LPG delivery. Any supply delay can interrupt cooking and affect customer service. Biomass pellets may provide an additional fuel option that can be stored in larger quantities on-site.

Growing Interest in Sustainable Fuel

Hotels, institutions and food-processing businesses are increasingly looking for energy solutions that can help reduce dependence on fossil fuels. Biomass is a renewable fuel when sourced responsibly and processed correctly.

How a Biomass Pellet Burner Works

The operation of a biomass pellet burner is relatively simple.

First, biomass pellets are filled into the fuel hopper. The feeding mechanism, generally a screw feeder or auger, transfers the pellets from the hopper into the combustion chamber.

An electric blower supplies the required amount of air. The combination of controlled fuel feeding and controlled air creates efficient combustion.

During start-up, the pellets are ignited manually or through an automatic ignition system. Once the flame becomes stable, the operator adjusts the fuel-feeding rate and blower speed according to the required heat.

For example:

Low feeding and low air may be used for slow cooking.
Medium settings may be used for boiling, gravy preparation or milk heating.
Higher feeding and air may be used for frying, roasting or high-temperature cooking.

The flame is directed towards the bottom of the vessel or into a heating chamber. Properly matched systems can provide stable heat for long operating periods.

Ash produced during combustion collects in the ash-removal section and must be cleaned periodically. The quantity of ash depends on pellet quality and raw material.

Can a Biomass Burner Completely Replace LPG?

In many applications, a biomass burner can replace a large portion of LPG consumption. In some cases, it may replace LPG completely. However, the result depends on the type of cooking process.

Biomass burners are particularly suitable for processes that require:

Continuous heat
Large cooking vessels
Long boiling cycles
Deep frying
Milk heating
Bulk rice cooking
Dal cooking
Water heating
Roasting
Steam generation
Large-scale food preparation

LPG may still be useful for certain activities that require:

Instant start and stop
Very small flame adjustment
Short cooking cycles
Individual pan cooking
Fine finishing
Low-volume à la carte orders

Therefore, many restaurants follow a hybrid approach.

A biomass burner is used for heavy-duty work such as boiling, frying, bulk cooking and water heating, while LPG is reserved for smaller burners and quick preparation.

This arrangement can substantially reduce LPG consumption without forcing the kitchen to change every cooking process.

Major Applications in Hotels and Restaurants

Biomass burner stoves can be used for many commercial cooking activities.

Bulk Rice Cooking

Hotels, mess kitchens, hostels, canteens and caterers prepare large quantities of rice every day. Cooking 20, 50, 100 or more kilograms of rice requires substantial heat.

A biomass chulha can support large rice vessels and provide continuous heat until the cooking is complete.

Dal and Curry Preparation

Dal, sambar, curries, gravies and soups often require long boiling and simmering times. These processes are ideal for biomass burners because they need continuous heat rather than frequent start-stop operation.

Deep Frying

Biomass burners can be integrated with kadais and fryers for:

Samosa frying
Kachori frying
Pakoda frying
Puri preparation
Bhatura preparation
French fries
Wafers
Namkeen
Snacks
Sweet frying

The burner must be selected according to the kadai size, oil quantity and required recovery time.

Chapati and Roti Preparation

A biomass heating system can be connected to a large tawa, roti plate or semi-automatic chapati machine. It can provide heat for high-volume chapati production in canteens, temples, hostels and industrial kitchens.

Tea and Coffee Preparation

Large tea stalls, railway canteens, factory canteens and catering kitchens continuously boil water and milk. A small commercial biomass stove can help reduce LPG use for these repetitive heating activities.

Tandoor and Roasting Applications

Specially designed biomass burners can be used for roasting units, ovens and tandoor-support heating. The installation should ensure that the flavour and food quality remain suitable for the intended menu.

Hot-Water Generation

Hotels require hot water for utensil washing, cleaning, bathing and kitchen operations. A biomass burner can be integrated with a hot-water tank or heat exchanger, reducing the use of LPG, diesel or electricity.

Applications in Canteens and Institutional Kitchens

Institutional kitchens typically prepare meals in large batches. This makes them highly suitable for biomass fuel systems.

Potential users include:

School canteens
College canteens
University hostels
Factory canteens
Hospital kitchens
Army and police kitchens
Government hostels
Religious kitchens
Community kitchens
Ashrams
Old-age homes
Labour camps
Construction-site kitchens
Prison kitchens
Marriage halls
Banquet facilities

These kitchens generally have predictable meal schedules. The burner can be started before the cooking shift and operated continuously during meal preparation.

Because the daily heat demand is relatively stable, fuel planning becomes easier.

Applications in Catering Businesses

Catering businesses require portable, reliable and high-capacity cooking solutions.

A biomass chulha or mobile pellet burner can be mounted on a strong frame for transportation. It can be used for:

Wedding catering
Outdoor events
Corporate events
Festival cooking
Community meals
Political and social gatherings
Religious programmes
Temporary food stalls
Large family functions
Exhibition food courts

For caterers, fuel availability is a major concern. Biomass pellets can be packed in bags and transported along with cooking equipment. Unlike loose firewood, pellets are uniform, compact and comparatively easier to handle.

However, pellets must be protected from moisture during transportation and storage.

A catering biomass burner should ideally have:

Strong wheels or movable structure
Compact hopper
Quick assembly
Easy ash cleaning
Reliable electrical blower
Backup power arrangement
Heat-resistant body
Easy flame control
Safe vessel support

Applications in Sweet Shops and Milk Processing

Sweet manufacturing requires significant heat for milk boiling, khoa preparation, sugar syrup production and frying.

A biomass bhatti can be used for:

Milk boiling
Khoa or mawa making
Rabdi preparation
Sugar syrup
Jalebi frying
Gulab jamun frying
Boondi preparation
Barfi production
Ghee heating
Paneer processing
Milk concentration

Many of these activities require steady heat for several hours. A biomass burner can be a cost-effective option where good-quality pellets are available.

For khoa and milk processing, heat control is extremely important. Excessive flame can burn the milk, while insufficient heat slows production. Therefore, the burner should have adjustable fuel feeding and blower control.

Applications in Namkeen and Snack Manufacturing

Namkeen and snack units often consume substantial quantities of LPG, diesel or firewood.

Biomass burners can be integrated with:

Batch fryers
Continuous fryers
Kadai systems
Wafers fryers
Peanut roasting machines
Chana roasting systems
Spice roasting equipment
Extruded-snack dryers
Bhujia fryers
Sev fryers
Pellet-frying equipment

For oil-frying applications, stable temperature is necessary for product colour, texture, taste and oil absorption.

The biomass burner must be correctly matched with the fryer. Excessive heat concentration at one point may damage the vessel or overheat the oil. Proper flame distribution and insulation improve performance.

Potential Fuel Cost Savings

Fuel savings are one of the main reasons businesses consider shifting from LPG to biomass pellets.

The actual saving depends on:

LPG price
Biomass pellet price
Pellet calorific value
Pellet moisture
Burner efficiency
LPG burner efficiency
Operating hours
Cooking process
Heat loss
Vessel design
Insulation
Operator skill
Start-up and shutdown frequency

In suitable applications, businesses may potentially save approximately 30% to 60% in fuel cost compared with LPG, diesel or similar high-cost fuels. However, this is not a guaranteed figure for every site.

A proper fuel comparison should be based on the cost of useful heat rather than only the price per kilogram.

For example, LPG generally has a higher calorific value per kilogram than biomass pellets. However, biomass pellets may cost significantly less per kilogram. If the biomass burner transfers heat efficiently to the vessel, the final cost per cooking batch may be lower.

The best method is to conduct a trial.

Record the following:

Quantity of food prepared
Starting temperature
Final temperature
Cooking time
LPG consumed
Biomass pellets consumed
Fuel price
Labour requirement
Product quality
Cleaning time

The same food batch should be tested under similar conditions. This gives a realistic comparison.

Illustrative Cost-Comparison Method

Suppose a restaurant uses LPG for bulk rice, dal, frying and hot-water generation.

The management should calculate:

Monthly LPG cost = Number of cylinders consumed × Price per cylinder

Then calculate:

Monthly biomass fuel cost = Biomass pellets consumed in kilograms × Pellet price per kilogram

Additional electricity used by the blower and feeder should also be included.

Total biomass operating cost = Pellet cost + Electricity cost + Routine maintenance

The business should then compare:

Fuel cost per day
Fuel cost per meal
Fuel cost per cooking batch
Fuel cost per kilogram of finished product
Monthly saving
Annual saving
Expected payback period

A biomass burner may require an initial investment, but regular fuel savings can recover the cost over time. Kitchens with high daily fuel consumption usually achieve faster payback than kitchens with occasional use.

Environmental Advantages

Biomass pellets are produced from renewable organic materials. When sourced from responsible suppliers, they can provide environmental benefits compared with fossil fuels.

Utilisation of Biomass Waste

Sawdust, agricultural residues and other biomass materials may otherwise be burned openly, dumped or left unused. Pelletisation converts these residues into a useful fuel.

Reduced Dependence on Fossil Fuel

LPG is a fossil fuel. Replacing part of LPG consumption with biomass can reduce dependence on fossil-based energy.

Controlled Combustion

A modern biomass pellet burner uses forced air and controlled feeding. This is generally cleaner and more efficient than open burning of wood or agricultural waste.

Lower Smoke Than Traditional Chulhas

Good-quality pellets, correct air settings and a properly designed combustion chamber can produce significantly less smoke than traditional firewood chulhas.

However, biomass combustion is not completely emission-free. Poor-quality fuel, incorrect air supply or inadequate ventilation may generate smoke, carbon monoxide and particulate matter. Therefore, a proper chimney or exhaust system is necessary.

Support for Circular Economy

Biomass fuel creates value from agricultural and wood-processing residues. This supports local fuel production, rural employment and waste utilisation.

Biomass Pellet Quality Is Extremely Important

Burner performance depends heavily on pellet quality.

Low-quality pellets can cause:

Excessive ash
Clinker formation
Feeding problems
Unstable flame
Smoke
Higher fuel consumption
Frequent cleaning
Corrosion
Reduced burner life
Poor temperature control

Important pellet parameters include:

Moisture Content

Pellets with excessive moisture are difficult to ignite and produce less useful heat. Moisture also increases smoke and fuel consumption.

Pellets should be stored in a dry location and protected from rain, floor moisture and humid air.

Calorific Value

Higher calorific value generally means more heat per kilogram. Wood and sawdust pellets usually offer good heat output, but performance depends on raw material and manufacturing quality.

Ash Content

Low-ash pellets are preferred for hotels, restaurants and food applications because they reduce cleaning frequency.

Pellets made from high-ash agricultural materials may be economical, but they can produce more residue and clinker.

Pellet Size

Burners are generally designed for a specific pellet diameter, such as 6 mm, 8 mm or another suitable size. Incorrect pellet size can affect feeding consistency.

Pellet Strength

Weak pellets produce dust and fines. Excessive dust can block the feeder, disturb combustion and increase maintenance.

Uniformity

Uniform length and diameter support smooth feeding and stable heat output.

Businesses should avoid selecting pellets only on the basis of the lowest price. A slightly more expensive pellet with better calorific value and lower ash may provide a lower actual cost per cooking batch.

Choosing the Right Burner Capacity

Burner capacity should be selected according to the cooking load, vessel size and required heat output.

A burner that is too small may:

Take too long to boil
Fail to maintain frying temperature
Increase production time
Run continuously at maximum load
Consume more fuel inefficiently

A burner that is too large may:

Overheat the vessel
Waste fuel
Make temperature control difficult
Damage food quality
Increase initial investment

The supplier should study:

Type of food
Batch size
Vessel dimensions
Vessel material
Oil or water quantity
Required cooking time
Daily operating hours
Existing LPG consumption
Kitchen layout
Chimney arrangement
Electrical availability

For an existing LPG-based bhatti, the supplier may be able to retrofit a biomass burner. In other cases, a new stove body or heating chamber may be required.

Types of Commercial Biomass Burners

Vertical-Flame Biomass Burner

A vertical-flame burner directs the flame upward towards the bottom of a cooking vessel. It is suitable for:

Kadai cooking
Milk boiling
Rice cooking
Dal preparation
Tea making
Sweet production
Direct vessel heating

It can be integrated into a commercial stove, chulha, shegdi or bhatti.

Horizontal-Flame Biomass Burner

A horizontal burner directs flame into a chamber from the side. It is suitable for:

Fryers
Ovens
Dryers
Boilers
Roasting units
Hot-air generators
Heat exchangers
Existing furnaces

Portable Biomass Stove

A portable stove is designed for catering, roadside food centres, tea stalls and temporary kitchens. It generally has a smaller hopper and movable frame.

Fixed Commercial Bhatti

A fixed biomass bhatti is installed permanently below a large vessel, kadai, fryer or cooking pan. It may be constructed using metal, refractory lining or brick insulation.

Automatic Biomass Pellet Burner

An automatic burner may include:

Automatic ignition
Screw feeding
Adjustable blower
Digital controller
Temperature control
Safety interlocks
Alarm system
Automatic shutdown

This type is suitable for larger kitchens and food-processing plants that require consistent output.

Retrofitting an Existing LPG Bhatti

Many businesses already have a strong kadai, cooking vessel, fryer or bhatti. Instead of replacing the complete setup, they may retrofit a biomass burner.

The retrofit process generally includes:

Inspection of the existing structure
Measurement of the heating chamber
Selection of burner capacity
Creation of burner mounting
Modification of flame entry
Installation of insulation
Provision of ash-removal access
Chimney or exhaust installation
Electrical connection
Trial and flame adjustment

The success of retrofitting depends on proper heat distribution.

The burner flame should not directly hit a small area of a thin vessel at excessive temperature. A heat-distribution chamber or flame diffuser may be necessary.

Poorly designed retrofits can result in:

Uneven heating
Vessel damage
High fuel consumption
Smoke leakage
Excessive kitchen heat
Difficult cleaning

Professional installation is recommended.

Kitchen Layout and Installation Requirements

Before installing a biomass burner, the kitchen layout must be evaluated.

Ventilation

Combustion requires air and produces exhaust gases. The kitchen should have proper ventilation.

Chimney

A suitable chimney should remove smoke, carbon monoxide and combustion gases from the working area. Chimney height and diameter should match the burner capacity and local conditions.

Fuel Storage

Pellets should be stored:

In a dry covered room
Away from rainwater
Above floor level
Away from open flame
In sealed or protected bags
With proper stock rotation

Electrical Supply

Automatic feeders and blowers require electricity. The voltage should be stable.

A backup power supply may be necessary for catering sites and areas with frequent power cuts.

Space

Adequate space is required around the burner for:

Hopper loading
Ash cleaning
Inspection
Maintenance
Operator movement
Emergency access

Heat Protection

Nearby walls, cables and equipment should be protected from heat. Heat-resistant insulation and safe clearances must be maintained.

Fire Safety

The kitchen should have suitable fire extinguishers, emergency exits and trained staff.

Operating Procedure

A standard operating procedure improves burner efficiency and safety.

Before Starting

The operator should check:

Pellet quality
Hopper condition
Feeder cleanliness
Ash level
Air openings
Blower condition
Electrical connections
Chimney draft
Emergency shut-off
Cooking-vessel position

Ignition

Fill the required quantity of pellets and start the ignition process according to the manufacturer’s instructions.

Do not use petrol, diesel, kerosene or other unsafe liquids for ignition unless explicitly approved by the equipment manufacturer. Such liquids can cause flash fire or explosion.

Flame Stabilisation

Allow the flame to stabilise before placing the burner at full load. Adjust blower speed and feed rate gradually.

Cooking Operation

The operator should monitor:

Flame colour
Smoke level
Food temperature
Oil temperature
Pellet feeding
Ash accumulation
Unusual sound
Motor heating

Shutdown

Stop pellet feeding first and allow the remaining pellets in the combustion chamber to burn. Continue the blower if required by the manufacturer so that unburned fuel does not remain inside.

Switch off the system only after following the recommended shutdown procedure.

Importance of Operator Training

A biomass burner is not operated exactly like an LPG stove.

With LPG, the operator turns a knob and gets an immediate flame. A biomass burner has fuel-feeding and airflow settings that must be balanced.

An untrained operator may use excessive pellets and insufficient air, causing smoke and incomplete combustion. Alternatively, excessive air may cool the flame and carry heat away.

Training should cover:

Start-up
Fuel loading
Feed-rate adjustment
Blower adjustment
Temperature control
Ash removal
Clinker removal
Shutdown
Emergency response
Basic troubleshooting

In many cases, poor performance is caused not by the machine but by incorrect fuel, wrong settings or inadequate cleaning.

Maintenance Requirements

Routine maintenance helps ensure reliable operation.

Daily Maintenance

Remove ash if required
Clean the combustion area
Check pellet dust
Inspect flame openings
Check feeder movement
Clean spilled pellets
Observe motor and blower sound

Weekly Maintenance

Inspect screw feeder
Check bearings
Clean air passages
Check electrical terminals
Inspect ignition system
Examine chimney deposits

Monthly Maintenance

Lubricate components where recommended
Inspect refractory lining
Check hopper for corrosion
Tighten mechanical fasteners
Check control-panel operation
Inspect motor current
Clean the chimney thoroughly if required

Annual Maintenance

A complete inspection should include:

Blower servicing
Feeder alignment
Motor condition
Gearbox condition
Electrical controls
Temperature sensors
Safety interlocks
Stove structure
Exhaust system

Maintenance frequency depends on operating hours, pellet quality and ash content.

Common Problems and Solutions

Excessive Smoke

Possible causes:

Wet pellets
Insufficient air
Overfeeding
Blocked chimney
Excessive ash
Poor ignition

Corrective actions include using dry pellets, cleaning the burner, increasing air gradually and checking the chimney.

Low Heat

Possible causes:

Low pellet feed
Low-calorific-value pellets
Excessive moisture
Air leakage
Oversized vessel
Undersized burner

Clinker Formation

Clinker is a hard mass formed when ash melts and sticks together.

Possible causes include high-ash pellets, unsuitable raw material and excessive combustion temperature.

Use better-quality pellets and clean the combustion chamber regularly.

Feeder Blockage

Possible causes:

Long pellets
Excessive dust
Moisture
Foreign material
Worn screw
Hopper bridging

Flame Returning Towards Hopper

This can be dangerous. Possible causes include improper draft, feeder design issues, power failure or blockage.

The burner should include appropriate fire-safety design, and operators should immediately follow the manufacturer’s emergency procedure.

Excessive Pellet Consumption

Possible causes:

Poor heat transfer
Low-quality fuel
Incorrect air-fuel ratio
Heat loss
Uninsulated vessel
Oversized burner
Poor operator practices

Safety Considerations

Biomass fuel is renewable, but it must be handled safely.

Carbon Monoxide Risk

Incomplete combustion can produce carbon monoxide. This gas is colourless and dangerous. Proper ventilation and chimney installation are essential.

Fire Risk

Pellets are combustible. Fuel bags should be stored away from the burner and electrical sparks.

Hot Surfaces

Burner bodies, nozzles, chimneys and ash can remain hot after shutdown. Operators should use gloves and tools.

Electrical Safety

Motors, blowers and control panels must be properly earthed. Damaged cables should be replaced immediately.

Ash Handling

Ash may contain hot embers. It should be collected in a metal container and allowed to cool completely before disposal.

Emergency Shutdown

Operators should know how to stop fuel feeding, isolate electricity and control a fire.

Children and Untrained Persons

Access to the burner should be restricted to trained personnel.

Biomass Burner Versus Traditional Firewood Chulha

A modern biomass pellet burner offers several advantages over a traditional wood-fired chulha.

Fuel Uniformity

Pellets have relatively uniform size and density, while firewood varies in shape, moisture and quality.

Controlled Feeding

The pellet feeder supplies fuel at a controlled rate. Firewood must be added manually.

Better Flame Control

The blower and feeder provide better control over heat output.

Lower Labour Requirement

Firewood chulhas require frequent manual feeding, positioning and handling.

Cleaner Storage

Pellets can be stored in bags and generally occupy less space than equivalent loose firewood.

Reduced Smoke

Proper pellet combustion can generate less visible smoke than wet wood or agricultural residue burned in an open chulha.

Easier Automation

Pellet burners can be integrated with temperature sensors and controllers.

However, pellet burners require electricity and better-quality processed fuel, while a traditional chulha may use locally available wood without electrical power.

Biomass Burner Versus LPG

LPG Advantages

Instant ignition
Precise control
Clean visible operation
Compact equipment
Minimal ash
Easy shutdown

Biomass Burner Advantages

Lower-cost fuel potential
Reduced dependence on LPG
Renewable fuel source
Suitable for continuous high-load cooking
Bulk fuel storage
Utilisation of biomass residues
Potentially attractive operating savings

Biomass Burner Limitations

Requires pellet storage
Produces ash
Requires cleaning
Needs electricity for automatic systems
Slower start-up than LPG
Requires operator training
Needs chimney and ventilation
Fuel quality affects performance

The decision should be based on operating cost and process suitability rather than assuming one fuel is ideal for every task.

Hybrid LPG and Biomass Kitchen Model

For many businesses, the best strategy is not to remove every LPG stove immediately.

A hybrid kitchen can allocate energy sources intelligently.

Use biomass for:

Bulk rice
Dal
Water heating
Milk boiling
Frying
Sweet production
Large vessels
Continuous heating
Central hot-water systems

Use LPG for:

Small pans
Quick orders
Final seasoning
Low-volume cooking
Emergency backup
Fine flame control

This model offers flexibility and reduces the risk of complete dependence on one fuel.

The business can gradually expand biomass usage after observing savings and performance.

How to Conduct a Trial Before Purchase

A practical trial is the most reliable method for evaluating a biomass burner.

Take the actual vessel and food process for testing wherever possible.

The trial should measure:

Time required for ignition
Time to boil
Time to reach frying temperature
Fuel consumed
Electricity consumed
Heat recovery after adding food
Smoke level
Ash generated
Operator comfort
Food taste
Product colour
Production capacity
Cleaning effort

For frying, observe whether the oil temperature remains stable after adding a batch.

For milk processing, check whether heat control prevents burning.

For rice cooking, compare batch time and grain quality.

For catering, test portability and start-up at an outdoor location.

A successful trial should demonstrate not only flame intensity but also actual cooking performance.

Calculating Return on Investment

Return on investment depends on the equipment price and monthly saving.

The basic formula is:

Payback period = Total installed cost ÷ Monthly operating saving

The total installed cost may include:

Biomass burner
Stove or bhatti modification
Hopper
Control panel
Chimney
Transportation
Installation
Electrical work
Civil work
Insulation
Training

Monthly saving should be calculated after including pellet cost, electricity and maintenance.

For example, a high-consumption kitchen that saves a substantial amount every month may recover the investment relatively quickly. A small kitchen with limited operating hours may require a longer payback period.

Buyers should avoid unrealistic payback claims. Actual savings should be based on measured fuel consumption.

Questions to Ask a Biomass Burner Supplier

Before buying, ask the supplier:

What burner capacity is recommended?
Which pellet size is suitable?
What is the expected pellet consumption?
What fuel quality is required?
What is the ash-removal frequency?
Is automatic ignition available?
Can the burner be connected to the existing bhatti?
What electrical power is required?
Is a chimney required?
What safety protections are included?
Is temperature control available?
What is the warranty?
Are spare parts available?
Is installation included?
Will operator training be provided?
Is after-sales support available?
Can a live cooking trial be arranged?
Has the model been used in similar applications?
What is the expected maintenance cost?
What happens during a power failure?

A reliable supplier should study the application instead of recommending equipment only on the basis of vessel diameter.

Avoiding Common Purchasing Mistakes

Buying Only on Price

A low-cost burner may have poor metal quality, weak feeding mechanisms, inadequate safety protection or inefficient combustion.

Ignoring Fuel Availability

Before purchasing the burner, identify at least two dependable pellet suppliers.

Using Unknown Pellet Quality

Pellets should be tested before long-term purchase.

Selecting Capacity Without Heat Calculation

Vessel size alone does not determine burner capacity. The product, batch size and heating time must also be considered.

Ignoring Chimney Design

A powerful burner without proper exhaust can create smoke and heat inside the kitchen.

No Backup Plan

Keep LPG or another backup option during the initial transition.

Inadequate Training

At least two or three staff members should be trained so that operation does not depend on one individual.

Poor Heat Insulation

Uninsulated bhattis waste heat and increase pellet consumption.

Improving Efficiency of the Biomass Cooking System

Fuel savings can be improved through proper system design.

Insulate the Bhatti

Insulation reduces heat loss and protects kitchen workers.

Use the Correct Vessel

Flat-bottom or appropriately designed vessels can improve heat transfer.

Maintain Proper Flame Distance

The distance between the burner flame and vessel should be optimised.

Preheat Water Where Possible

Waste heat from exhaust can sometimes be used to preheat water, depending on the installation design.

Avoid Frequent Shutdowns

Biomass burners are more efficient during continuous operation.

Use Dry Fuel

Wet pellets reduce useful heat and increase smoke.

Clean the Ash Regularly

Ash blocks airflow and reduces combustion efficiency.

Train Operators

Correct settings can significantly reduce fuel consumption.

Record Daily Fuel Use

A fuel log helps identify unusual consumption and operating problems.

Food Quality and Taste

Some businesses worry that changing fuel will affect food taste.

A properly installed biomass burner transfers heat to the vessel without allowing smoke or ash to contact the food. In such systems, food taste should mainly depend on ingredients, cooking method and temperature control.

For direct-flame roasting or traditional cooking, the impact may vary. Trials should be conducted before final adoption.

For frying, temperature stability is more important than the fuel itself. If the burner maintains the correct oil temperature, the product can achieve consistent colour, crispness and texture.

For milk and sweets, gradual heat adjustment is necessary to prevent scorching.

Storage and Inventory Planning

Biomass pellets require more storage volume than LPG for an equivalent heat requirement. Therefore, proper inventory planning is important.

The business should calculate:

Daily pellet consumption
Weekly requirement
Storage capacity
Delivery lead time
Monsoon stock requirement
Emergency reserve
Maximum safe storage

Pellets should follow first-in, first-out stock rotation.

During the rainy season, extra precautions are required. Bags should not be placed directly on the floor. Use wooden or plastic pallets and maintain space between bags and walls.

Damaged or wet bags should be separated immediately.

Is a Biomass Burner Suitable for Small Restaurants?

Yes, but suitability depends on fuel consumption.

A small restaurant that uses one LPG cylinder over several days may not achieve the same financial benefit as a large canteen using several cylinders daily.

However, a small business with continuous tea making, snack frying, water heating or bulk cooking may still benefit from a compact biomass stove.

Before investing, the owner should calculate:

Monthly LPG consumption
Available kitchen space
Pellet availability
Operating hours
Cleaning capacity
Chimney possibility
Expected payback

A portable biomass stove may be a good starting option.

Is a Biomass Burner Suitable for Large Industrial Canteens?

Large industrial canteens are among the most suitable users because they prepare food in bulk on a fixed schedule.

They can use biomass burners for:

Steam generation
Rice vessels
Dal vessels
Hot-water tanks
Large fryers
Chapati systems
Milk heating
Dishwashing water
Central cooking systems

Large facilities may consider a central biomass-fired boiler or hot-air system instead of multiple independent stoves.

Automation, temperature control and fuel-handling systems become more important at higher capacities.

Business Benefits Beyond Fuel Savings

The advantages of biomass conversion are not limited to direct fuel cost.

Better Cost Predictability

Buying pellets through a supply contract can help control fuel expenditure.

Marketing Advantage

Hotels and restaurants can communicate their use of renewable biomass energy as part of sustainability initiatives, provided claims are accurate and not misleading.

Reduced LPG Inventory

Lower LPG consumption reduces cylinder-handling requirements.

Local Fuel Sourcing

Pellets may be available from local manufacturers, supporting regional suppliers.

Scalability

A business can begin with one burner and expand after evaluating performance.

Suitable for Multiple Processes

The same fuel can support cooking, water heating, frying, roasting, ovens and other thermal applications.

The Future of Biomass Cooking in Commercial Kitchens

Commercial kitchens are under increasing pressure to reduce operating costs while improving energy efficiency. Biomass pellet burners offer a practical path for applications that require continuous and high-volume heat.

Future systems are likely to include:

Automatic ignition
Digital temperature display
Variable-frequency drives
Smart fuel feeding
Remote monitoring
Automatic ash removal
Safety alarms
Fuel-consumption tracking
Integration with kitchen automation
Improved emission controls

As pellet quality and supply networks improve, biomass burners can become more convenient and reliable.

However, success will always depend on correct equipment selection, good fuel, professional installation, operator training and regular maintenance.

Conclusion

Replacing LPG with a biomass burner stove, chulha, bhatti or shegdi can be a practical and economical solution for hotels, restaurants, canteens, caterers, hostels, sweet shops, tea stalls, namkeen manufacturers and food-processing units.

Biomass burners are particularly effective for continuous heat applications such as bulk rice cooking, dal preparation, milk boiling, frying, sweet manufacturing, water heating and industrial food production.

The main advantages include potential fuel-cost reduction, lower dependence on LPG, controlled combustion, utilisation of renewable biomass and suitability for long operating hours.

At the same time, businesses must consider pellet quality, storage, ash cleaning, electrical supply, ventilation, chimney design, operator training and maintenance.

A biomass burner should not be selected only by comparing fuel prices or burner dimensions. The complete cooking process must be studied. A practical trial using the actual vessel and food product is strongly recommended.

For many commercial kitchens, a hybrid system offers the most convenient transition. Biomass can handle heavy-duty and continuous cooking, while LPG remains available for instant, low-volume and precision cooking.

With the right burner, suitable biomass pellets and proper operating practices, hotels, restaurants, canteens and catering businesses can reduce fuel expenses and build a more sustainable commercial kitchen.

About FABON Biomass Burner Solutions

FABON Engineering Pvt. Ltd. offers biomass pellet burners, commercial biomass stoves, chulhas, shegdis and bhatti solutions for different cooking and heating applications.

FABON biomass burner systems can be considered for:

Hotels
Restaurants
Canteens
Catering businesses
Hostels
Tea and coffee stalls
Fast-food centres
Sweet shops
Namkeen units
Milk and khoa manufacturing
Frying units
Roasting plants
Bakeries
Food-processing industries
Boilers
Ovens
Dryers
Hot-water systems

Solutions can be selected according to vessel size, production requirement, operating hours and existing fuel consumption. Retrofitting options may also be evaluated for existing cooking bhattis, fryers, ovens and heating chambers.

Businesses planning to replace LPG, diesel, firewood or other expensive fuels should conduct an application study and performance trial before final installation.