CatalogueHot Water GeneratorsSolid Fuel Fired Hot Water Generator

Solid Fuel Fired Hot Water Generator

We engineer and supply Solid Fuel Fired Hot Water Generator as part of complete industrial heating and utility solutions. Share your capacity, fuel type, application, and site details — our team will recommend a suitable configuration and quote.

About Solid Fuel Fired Hot Water Generator

Gyantosh's Solid Fuel Fired Hot Water Generators are engineered to deliver continuous, energy-efficient, and cost-effective hot water for a wide range of industrial and commercial applications. Designed with advanced heat transfer technology and robust construction, these systems provide reliable hot water generation while utilizing economical solid fuels, making them an ideal solution for organizations looking to reduce operating costs without compromising performance.

Our 3-Pass and 4-Pass Solid Fuel Fired Hot Water Generators are specifically designed to maximize heat transfer and fuel efficiency through an optimized furnace, carefully engineered heat exchange surfaces, and an efficient flue gas flow path. Every component — from the combustion chamber and grate arrangement to the air distribution system and fuel feeding mechanism — is designed to ensure complete combustion, maximum heat recovery, and consistent hot water output under continuous operating conditions.

The integrated furnace is capable of efficiently utilizing a wide variety of solid fuels including coal, firewood, wood chips, biomass, briquettes, agricultural residues, and other solid biomass fuels. The combustion system is carefully optimized by selecting the appropriate grate type, combustion volume, furnace dimensions, and airflow distribution to achieve efficient fuel burning while minimizing heat losses and emissions.

Manufactured using premium-quality steel and high-grade heat transfer components, every Hot Water Generator is built to provide long service life, dependable operation, and maximum operational safety. The rugged construction, simplified maintenance, and excellent fuel flexibility make these systems suitable for demanding industrial environments where an uninterrupted supply of hot water is essential.

Unlike conventional heating systems, our Solid Fuel Fired Hot Water Generators deliver consistent hot water at controlled temperatures with high thermal efficiency, making them suitable for both process heating and utility applications. Their reliable performance, economical fuel consumption, and robust design have made them a preferred choice across numerous industries in India and international markets.

Available in capacities ranging from 1 Lakh kcal/hr to 100 Lakh kcal/hr, these hot water generators can be customized to meet varying heating capacities, outlet water temperatures, fuel characteristics, and process requirements.

Whether installed for a new project or replacing an existing heating system, our Solid Fuel Fired Hot Water Generators provide industries with a durable, fuel-efficient, and environmentally responsible hot water solution that delivers dependable performance under continuous operation.

Key Features

  • High thermal efficiency with optimized 3-Pass & 4-Pass heat transfer design
  • Continuous hot water generation with stable outlet temperature
  • Suitable for a wide range of solid fuels
  • Large combustion chamber for complete fuel combustion
  • Optimized furnace design for maximum heat recovery
  • Low fuel consumption and reduced operating costs
  • Rugged heavy-duty construction for extended service life
  • Efficient heat exchanger for improved thermal performance
  • Uniform hot water supply under varying load conditions
  • Easy inspection, cleaning, and maintenance
  • Available with manual, semi-automatic, or automatic fuel feeding systems
  • Compatible with modern pollution control equipment
  • Reliable operation in continuous industrial applications
  • Manufactured in accordance with applicable industrial standards

Solid Fuel Fired Hot Water Generator Specification

Fuel Type
Coal, Firewood, Wood Chips, Biomass, Briquettes, and other solid fuels
Heating Capacity
1 Lakh kcal/hr – 100 Lakh kcal/hr
Hot Water Temperature
60°C, 80°C, 90°C, 95°C and higher on request
Operating Pressure
Low pressure hot water circulation; custom pressures available
Heat Transfer Design
3-Pass / 4-Pass
Combustion System
Grate-fired with balanced draft
Fuel Feed
Manual / Semi-Automatic / Fully Automatic
Mounting
Skid Mounted / Site Erected

Fuels Used

Indian CoalImported CoalFirewoodWood LogsWood ChipsSawdustBiomass BriquettesWhite CoalAgricultural ResiduesCoconut ShellGroundnut ShellBagasseMixed Biomass Fuels
Heating Capacity
1 Lakh kcal/hr to 100 Lakh kcal/hr
Custom capacities available on request
Hot Water Temperature
60°C80°C90°C95°C
Higher values available for specialized applications

Combustion Technology

3-Pass Heat Transfer Design

Provides excellent thermal efficiency through optimized flue gas flow, ensuring maximum heat extraction and reduced fuel consumption.

4-Pass Heat Transfer Design

Offers additional heat transfer surfaces for superior fuel economy, lower stack temperatures, and improved overall system efficiency.

Optimized Combustion Chamber

Engineered with adequate combustion volume and furnace dimensions to ensure complete combustion of solid fuels and uniform heat distribution.

Efficient Heat Exchange System

Specially designed heat transfer surfaces maximize energy transfer to circulating water, ensuring rapid heating and consistent outlet temperatures.

Balanced Draft System

Maintains optimum airflow and furnace pressure, improving combustion stability and ensuring reliable generator performance.

Applications

Process Water HeatingBoiler Feed Water PreheatingIndustrial Washing SystemsTextile ProcessingDairy ProcessingFood ProcessingHotel Hot Water SupplyHospital Hot Water SystemsCommercial LaundriesResidential ComplexesIndustrial CleaningSpace HeatingBathing Water SupplyInstitutional Hot Water Systems

Industries Served

Hotels & HospitalityHospitals & Healthcare FacilitiesDairy IndustryFood Processing PlantsTextile IndustryCommercial LaundriesResidential & Housing ProjectsEducational InstitutionsPharmaceutical IndustryChemical IndustryPaper & Packaging IndustryAgro Processing UnitsEngineering IndustriesGovernment InstitutionsIndustrial Manufacturing Facilities

Advantages

Lower Operating Cost

Operate on economical solid fuels, significantly reducing the cost of hot water generation compared to diesel, gas, or electric heating systems.

High Thermal Efficiency

Optimized furnace design and multi-pass heat transfer technology maximize energy utilization while minimizing fuel consumption.

Reliable Continuous Hot Water Supply

Designed for uninterrupted operation, ensuring a constant supply of hot water even during peak demand.

Fuel Flexibility

Capable of utilizing a variety of locally available solid fuels, allowing industries to select the most economical fuel source.

Rugged Construction

Heavy-duty fabrication and premium-quality materials ensure long equipment life with dependable performance under demanding operating conditions.

Easy Maintenance

Simple construction, accessible inspection points, and efficient ash removal systems reduce maintenance time and operating downtime.

Environmentally Responsible Heating

Efficient combustion and compatibility with modern pollution control systems help reduce emissions while utilizing renewable and economical solid fuels.

Optional Accessories

Economizer
Air Preheater
Multicyclone Dust Collector
Bag Filter
Wet Scrubber
ID Fan
FD Fan
Chimney
Fuel Feeding System
Ash Handling System
Hot Water Circulation Pump
Expansion Tank
Water Storage Tank
PLC-Based Control Panel
Temperature Controllers
Flow & Pressure Instrumentation
Safety Valves & Protection Systems

Frequently Asked Questions(10)

What is the minimum and maximum capacity available?
We supply solid fuel fired hot water generators starting from 1 Lakh kcal/hr for small-scale applications, up to 100 Lakh kcal/hr for large industrial and commercial requirements.
What outlet water temperatures are available?
Standard outlet water temperatures include 60°C, 80°C, 90°C, and 95°C. Higher temperatures can be designed for specialized industrial applications.
Which solid fuels can the generator run on?
The generator is designed for coal, firewood, wood chips, biomass briquettes, white coal, agricultural residues, coconut shell, groundnut shell, bagasse, and mixed biomass fuels. The combustion system is optimized according to the fuel type, calorific value, and moisture content available.
What is the difference between 3-Pass and 4-Pass designs?
3-Pass designs provide excellent thermal efficiency through optimized flue gas flow. 4-Pass designs offer additional heat transfer surfaces for superior fuel economy, lower stack temperatures, and improved overall system efficiency.
What operating pressure does the system work at?
The system is designed for safe, low-pressure hot water circulation. Custom operating pressures can be supplied based on your specific system design requirements.
What pollution control equipment do I need?
PCB norms require APC for solid fuel fired heating equipment. GyanTosh can supply the complete system including multicyclone, bag filter, or wet scrubber along with the generator as a turnkey package.
Do I need a chimney along with the generator?
Yes — a chimney is required for draft and flue gas discharge. GyanTosh can supply and install self-supporting MS chimneys sized for your generator capacity and site conditions as part of the turnkey package.
What routine maintenance does the generator require?
Daily checks cover water temperature, flow, and level in the expansion/storage tank. Weekly tasks include cleaning of heating surfaces and flue passes. Monthly inspection covers the grate and ash handling systems. GyanTosh offers AMC contracts to manage all scheduled and breakdown maintenance.
Can the generator supply hot water for both process and utility use?
Yes — these generators are designed to deliver consistent hot water at controlled temperatures suitable for process heating applications as well as utility uses such as washing, bathing, and space heating.
Can GyanTosh handle the complete turnkey installation?
Yes. GyanTosh provides complete turnkey solutions covering engineering, supply, civil coordination, installation, commissioning, operator training, and post-handover support — single-point accountability from start to handover.
What we’ll need for a fast quote
  • Capacity / size requirements
  • Process or application details
  • Material preference (M.S / S.S where applicable)
  • Installation location & delivery timeline
Quick Inquiry
GYANTOSH FABRICATORS PRIVATE LIMITED

Share your capacity, fuel type, and application — we respond within 24 hours.

Head Office: 7/6C, Industrial Area No.2, AB Road, Dewas, Madhya Pradesh, India · Branch Office: 4, Nyay Nagar, Indore, Madhya Pradesh, India