CatalogueBoilersWater Cum Smoke Tube Boiler

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Water Cum Smoke Tube Boiler

We engineer and supply Water Cum Smoke Tube Boiler 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.

Steam Generation Capacity
Up to 25 TPH (25,000 kg/hr)
Custom capacities available on request
Operating Pressures
10.54 kg/cm²(g)17.5 kg/cm²(g)21 kg/cm²(g)up to 28 kg/cm²(g)

About Water Cum Smoke Tube Boiler

Gyantosh's Water-Cum-Smoke Tube Boilers combine the best of both classic boiler designs — the rapid steaming and high steam parameters of a water-tube boiler with the large water-holding capacity and steam-storage stability of a smoke-tube (fire-tube) boiler. The result is a boiler that holds steam pressure and dryness remarkably steady even when process steam demand fluctuates sharply.

In this hybrid arrangement, radiant heat is first absorbed in a water-tube furnace section, and the hot flue gases then pass through smoke tubes surrounded by a large water reservoir. That large water volume acts as a thermal buffer — absorbing sudden load swings and consistently delivering steam of around 98% dryness, ideal for processes sensitive to wet steam.

Every water-cum-smoke tube boiler is designed and manufactured in compliance with IBR 1950 and IS 2825 using certified boiler-quality pressure parts. The three-pass horizontal design maximises heat recovery, while automatic operation ensures dependable, low-attention running.

Available up to 25 TPH (25,000 kg/hr) and working pressures up to 28 kg/cm², GyanTosh water-cum-smoke tube boilers suit textile, dairy, chemical, paper, food-processing, and pharmaceutical plants with variable steam loads. Backed by over two decades of boiler engineering experience.

Water Cum Smoke Tube Boiler Key Features

  • Hybrid water-tube + smoke-tube design for stability and fast steaming
  • Large water-holding capacity buffers sudden load fluctuations
  • Consistently high steam dryness — around 98% dry saturated steam
  • Three-pass horizontal construction for efficient heat recovery
  • Steam capacity up to 25 TPH for medium process plants
  • Stable steam pressure despite fluctuating process demand
  • Automatic operation for dependable, low-attention running
  • Suitable for a wide range of biomass and solid fuels
  • Robust boiler-quality pressure parts for long service life
  • Designed for continuous 24×7 industrial operation
  • Compliant with IBR 1950 and IS 2825 pressure vessel codes
  • Compatible with economizer, air preheater, and APC equipment

Water Cum Smoke Tube Boiler Specification

Fuel Type
Biomass / Solid Fuel
Steam Capacity
Up to 25,000 kg/hr (25 TPH)
Working Pressure
Up to 28 kg/cm²
Design
Water-Cum-Smoke Tube (Hybrid)
Number of Passes
Three Pass
Orientation
Horizontal
Steam Output
Dry Saturated (approx. 98% dryness)
Automation Grade
Automatic
IBR Compliance
IBR Certified (IBR 1950 & IS 2825)

Fuels Used

BiomassWood ChipsRice HuskBriquettesAgricultural ResiduesCoalMixed Solid Fuels

Combustion & Heat Transfer

Radiant Water-Tube Section

A water-tube furnace section absorbs intense radiant heat for rapid steaming and higher heat flux, giving the boiler its fast-response character.

Convective Smoke-Tube Passes

Hot flue gases then travel through smoke tubes surrounded by a large water reservoir, recovering convective heat across multiple passes.

Large Water Reservoir

The generous water volume acts as a thermal buffer — storing energy and holding steam pressure and dryness steady during sudden load swings.

Three-Pass Gas Path

A three-pass horizontal layout maximises flue-gas residence time and heat recovery for high thermal efficiency.

Water Cum Smoke Tube Boiler Applications

Process Steam GenerationProcess HeatingSterilizationDrying OperationsTextile Dyeing & ProcessingDairy & Milk ProcessingFood ProcessingChemical ProcessingPharmaceutical Manufacturing

Industries Served

Textile & Garment ManufacturingDairy & Milk ProcessingChemical IndustriesPaper & Pulp IndustryFood Processing PlantsPharmaceutical PlantsRice MillsRubber IndustryProcess Industries with Variable Steam Loads

Advantages of a Water Cum Smoke Tube Boiler

Stable Steam Under Load Swings

The large water reservoir buffers sudden changes in steam demand, holding pressure steady — a decisive advantage for batch and fluctuating-load processes.

High Steam Dryness

Around 98% steam dryness protects downstream process equipment and improves heat transfer where dry steam is essential.

Best of Both Designs

Combines the fast steaming and higher parameters of water-tube boilers with the storage stability and simplicity of smoke-tube boilers.

Efficient Heat Recovery

The three-pass gas path maximises heat extraction from flue gases, improving fuel economy.

Fuel Flexibility

Runs on a range of biomass and solid fuels, letting plants choose the most economical local fuel.

Reliable & Durable

Robust boiler-quality construction and proven design deliver long service life and high availability under continuous operation.

Optional Accessories

Economizer
Air Preheater
Multicyclone Dust Collector
Bag Filter
Wet Scrubber
ID Fan
FD Fan
Fuel Feeding System
Ash Handling System
Chimney
Feed Water Tank
Boiler Feed Pump
Water Softening Plant
Steam Header
PLC-Based Control Panel
Instrumentation & Safety Controls

Frequently Asked Questions(10)

What is a water-cum-smoke tube boiler?
It is a hybrid boiler that combines a water-tube furnace section (for rapid steaming and higher heat flux) with smoke-tube passes surrounded by a large water reservoir (for steam storage and stability) — giving the advantages of both designs in one boiler.
Why is it good for fluctuating steam loads?
The large water-holding capacity acts as a thermal buffer, storing energy and holding steam pressure and dryness steady even when process steam demand changes suddenly — ideal for batch processes.
How dry is the steam?
The design consistently delivers around 98% dry saturated steam, protecting downstream equipment and improving process heat transfer.
What capacity and pressure are available?
GyanTosh water-cum-smoke tube boilers are offered up to 25 TPH (25,000 kg/hr) with working pressures up to 28 kg/cm².
What fuels can it burn?
It runs on a range of biomass and solid fuels including wood chips, rice husk, briquettes, agricultural residues, and coal.
Is IBR certification provided?
Yes. All water-cum-smoke tube boilers are designed and manufactured in compliance with IBR 1950 and IS 2825, and supplied with full IBR certification.
Which industries use this boiler?
It suits textile, dairy, chemical, paper, food-processing, and pharmaceutical plants — particularly those with variable steam loads that benefit from its steam-storage stability.
Can GyanTosh handle turnkey installation?
Yes. GyanTosh provides complete turnkey solutions covering engineering, supply, installation, commissioning, IBR inspection, and post-handover support under single-point accountability.
What is the difference between a smoke tube and water tube boiler?
In a smoke tube boiler, hot flue gas passes through tubes surrounded by water; in a water tube boiler the arrangement is reversed, with water inside the tubes and gas around them. The smoke tube and water tube boiler distinction matters because it sets the pressure ceiling — smoke tube designs suit modest pressures and carry a large water volume, water tube designs handle higher pressures and respond faster to load swings. A water-cum-smoke-tube boiler uses both in one unit.
What does a smoke tube boiler diagram show?
A smoke tube boiler diagram shows the furnace, the tube passes carrying flue gas back and forth through the shell, the water space surrounding them, and the steam space above. Reading one tells you the number of passes, which is the main determinant of how much heat is pulled out of the gas before it reaches the chimney.
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.

4, Nyay Nagar, Indore, Madhya Pradesh 452010, India