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industrial three pass fire tube boiler types

Product Thermal Capacity: 1 - 20 t/h

Working Pressure: 0.7 - 2 Mpa

Available Fuel: Nature gas, coke oven gas, biogas, methanol, liquid propane gas, diesel, heavy oil, light oil, crude oil, etc.

Available Industries: Heat supplying, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc.

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Introduction of WNS gas / oil fired steam boiler:

WNS series horizontal internal combustion boiler is a boiler shell type 3 passes wetback oil/gas fired boiler. After fuel is being atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, this is 1st pass; the high temperature smoke is collected in reversal chamber and then enters 2nd pass which is grooved tubes bundle area; after heat convection, air temperature gradually falls and goes to front smoke box and turn to 3rd pass, which is smooth tubes bundle area, and then enters chimney passing back smoke box and exhausted to the atmosphere.

Technical advantages:

1. Digitized manufacture
The key part such as material cutting, rolling, drilling are proceeded by advanced CNC machining process to reduce the assemble stress and extend boiler working lifetime.
The front and back smoke chamber plates are cut by CNC plasma cutting machine and looks tidy and beautiful.

2.Easy operation and maintenance
Fully automatically operating, with automatically adjustment and protection of burning, water level, temperature and steam pressure.

3. Longer working life
Smoke tube and tube sheet connection is expanded first to eliminate the gap between them, then adopt automatic argon arc welding to relief the stress and expand boilers working life.
Longitudinal and girth joint adopt advanced automatic submerged-arc welding for good welding quality. All longitudinal and girth joint will have 100% radiographic inspection.
Fin tube us ND steel or stainless-steel material which avoid low temperature corrosion.
Inspection procedure point is set up to guarantee the sequence of expanding and welding, avoid cracking of the tube sheet holes.

4. Less fuel consumption
High quality aluminum silicate fiber is used with fire clay insulation, to control the boiler body temperature below 45℃ to control heat lost.
Sufficient steam storage room and heating area makes boiler to generate high quality steam and high thermal power.
Condenser is added to reuse the waste heat of the exhausted smoke to increase feeding water’s temperature and reduce emission temperature, which can increase the thermal efficiency above 98% and save operating cost.

Types of Boilers - Forbes Marsha

Fire tube boilers, typically have a lower initial cost, are more fuel efficient and easier to operate. Their capacities are up to 25tons/hr and 17.5 kg/ cm2. Different types of fire tube boilers: Cornish boiler. These are the earliest form of high pressure fire tube boiler.

What are the existing types of boilers? - Quo

Sep 20, 2017· There are different ways boilers are defined. We broadly define boilers as being water-tube or fire-tube. Firetube boilers look like the picture below. They are used for lower pressures (<300 psi) and lower steam purity applications. The combustio

Boiler Types and Classifications - Wiki - odesie by Te

So, a three-pass boiler will have three sets of tubes with the stack outlet located on the rear of the boiler. A four-pass boiler will have four sets and the stack outlet at the front. Fire-tube boilers are: Relatively inexpensive; Easy to clean; Compact in size; Available in sizes from 600,000 btu/hr to 50,000,000 btu/hr; Easy to replace tubes

Three-Pass Fire Tube Boiler manufactur

Three pass fire tube boilers divided into three pass gas boiler and three pass oil fired boiler, with same structure but different burner. Once we have export 15t three-p water tube boiler to Bangladesh, they using boiler for textile company.. The largest number of fire-tube boilers in use today for commercial and small industrial plants is the marine boiler.

Fire Tube Boiler (3 Pass) - saVR

Introduction. Fire tube boilers, also known as smoke tube boilers, are the most common type of industrial boiler employed today. Compared to water tube boilers, they are much more suitable for smaller plant applications because they can better cope with sudden high demand steam fluctuations.. Combustion occurs within a furnace with the exhaust gasses (flue-gasses) passing through a series of

The types of industrial steam boiler | Feedwater Artic

Fire Tube or Shell Boilers. This is the most common type of boiler used in small and medium sized industrial installations. Fire tube boilers are often produced as ‘packaged’ units complete with pumps and control system, requiring only connection to a suitable water …

Boiler Basics: What Are The Different Types Of Boile

Ratings: 193 The following are the types of boilers most commonly used in industrial and commercial settings, along with some terms to know when trying to differentiate between different boiler styles and figuring out their ideal uses. Fire-Tube A fire tube boiler setup directs heated gases into a number of tubes that run through a water-filled chamber.

Boilers - University of Alaba

Fire-Tube Boiler (~1800) The fire tube boiler, the oldest design, is made so the products of combustion pass through tubes surrounded by water in a shell. The furnace/flame volume can either be inside or external to the shell that contains the water. The upper steam capacity of fire tube boilers is about 20,000 Ibm/hr, and the peak pressure

3 pass firetube boiler design - Industrial Boiler & Mechanic

A 3-pass firetube boiler design consists of three sets of horizontal tubes, with the stack outlet located on the rear of the boiler. A downdraft design keeps the cooler water from having an effect on the hot surfaces within the boiler.

Three Pass Fire Tube Boilers--Z

Three Pass Fire Tube Boilers 2017-10-18 16:21:02 . Each set of tubes that hot combustion flue gas travels through before making a turn within the boiler, is considered a "pass." A 3-pass fire tube boiler design consists of three sets of horizontal tubes, with the stack outlet located on the rear of the boiler.

Package boiler - Wikiped

The package boiler is usually a two or three-pass fire-tube boiler with an internal furnace tube. This is similar to the much earlier Scotch boiler . Generating tubes filled with water are in direct contact with the heat source inside the boiler, causing damage to the pipes as well as scaling.

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