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principals of d type water tube boiler

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.

D-Type Industrial Watertube Boiler: DISCOVERY® Seri

DISCOVERY® D-type watertube boilers are operating in hundreds of industrial applications in a multitude of industries wordwide. This proven design offers large furnaces and are engineered for long-term reliability. They are especially well-suited for high-pressure, superheated steam …

Operation of water tube boilers explained - Bright H

But with the advent of bent tube design, the boilers were fitted with two drums with a an integral furnace.The boilers are known as D shaped design or D shaped Boilers. Construction of a D type Watertube Boiler. The D type boilers has an arrangement of two drums at the side of the furnace and is surrounded by water tube walls .

A-Style Water Tube Boilers | Watertube Boile

A complete line of Indeck Volcano “A” style package boilers are offered to provide the ability to fire the dirtier fuels while still incorporating the benefits offered with a package designed steam generator. The “A” type boiler is fully shop assembled, rail shippable up to steam capacities of 300,000 Ib/hr. If your project requires an industrial boiler, watertube steam packaged boiler

D Type Water Tube Boilers | Water Tube Boiler Sales & Servi

Additionally, the weight of the water tube boiler is much less compared to other types of boiler of equivalent size due to a reduced volume of water in the boiler. D type watertube boiler design. D type watertube boilers are designed with a large steam drum at the top, vertically connected to a smaller water drum (or "mud drum") at the bottom

Operation and Types of Water Tube Boiler - Electrical

Mar 04, 2020· A water tube boiler is such kind of boiler where the water is heated inside tubes and the hot gasses surround them. This is the basic definition of water tube boiler. Actually this boiler is just opposite of fire tube boiler where hot gasses are passed through tubes which are surrounded by water.. Advantages of Water Tube Boiler. There are many advantages of water tube boiler due to which

Water Tube Boiler Parts and Functions - Boilersin

Author: Audiopedia We briefly discuss about Water tube boiler parts and functions. D type water tube boiler. In the water tube boiler, the water and steam flow inside the tubes and the hot gases flow over the outside surfaces. Where as in fire tube boilers hot gases from combustion travels through the tubes. flue gases produced from furnace where fuel is burnt.

Water-tube boiler - Wikiped

A high pressure watertube boiler (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which heats water in the steam-generating tubes.In smaller boilers, additional generating tubes are separate in the furnace, while larger utility boilers rely on the water-filled tubes

D-type boiler construction - Marine Not

The D-type boiler uses the principle of accelerated natural circulation to circulate water through the boiler. To enable this principle to work, relatively cool water will naturally circulate through large diameter pipes to distribution points low in the boiler.

Water-tube boiler - YouTube

Click to vi

Click to view11:12Oct 29, 2015· A watertube boiler is a type of boiler in which water circulates in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which heats water in the steam

D-Style Water Tube Boilers | Watertube Boile

For more information on our D-type water tube boiler and other watertube steam boilers call us at 847-541-8300. Capacity Range. The “D” style water tube steam generator is capable of producing up to 500,000 Ib steam/hr at design pressures up to 2,000 PSIG and superheated steam up to 1,050°F.

Water tube boiler - YouTu

Jul 20, 2017· part(1) of description of water tube boiler construction - Boilers - Water tube boiler - Components of water tube boiler. - Economizer. - Evaporator.

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