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d type water tube boilers 10mw

10mw D type water tube boiler design
10mw D type water tube boilers are designed with a large steam drum at the top, vertically connected to a smaller water drum (or “mud drum”) at the bottom, via multiple steam-generating tubes which carry feed water (providing the main heat transfer surfaces for the production of steam). These are surrounded by walls made up of larger water-filled tubes, which make up the furnace.”D” type watertube boilers are designed to reduce overall project cycle time and to lower steam generating equipment costs.

d type water tube boilers 10mw

d type water tube boilers 10mw

10mw D type water tube boiler product description
SZL series pressure double drum chain grate coal fired hot water boiler, boiler host design as double boiler drum longitudinal layout, set steam water separating device in upper boiler drum, set periodic blow-off device in lower boiler drum, there are water cooling wall tubes at left and right side of furnace. Use light chain grate add coal fuels automatically, the back of furnace is re-burning chamber, convection tubes, the tail of furnace is economizer or air preheater, equip with blower, draft fan for mechanical ventilation, and also equip with slag extractor for slagging automatically. Fuel fall down to chain grate and enter furnace for burning, the flue gas go through furnace, re-burning chamber, convection tubes, economizer or air preheater into tail flue, enter deduster, draft fan and chimney, and finally discharge into atmosphere.

Advantages of 10mw D type water tube boiler
1. “D” shaped layout
1) Adopts double drums and “D” type structure, large combustion chamber, good flame fullness degree, sufficient combustion. The boiler has a sufficient output, and excellent overload capacity. Compact structure, covers a small area.
2) Adopts shell type three pass and wet back structure, absorbs the thermal expansion effectively, high thermal efficiency (97%).

2. Membrane Wall Structure
The furnace adopts membrane cooling wall, and equipped with inner board with whole sealing welding structure, low heat loss, high thermal efficiency.

3. Good Thermal Insulation Property
The boiler shell uses aluminium silicate board for heat preservation, high thermal shielding efficiency, low heat loss, increase the boiler thermal efficiency.

4. Automatic Control
1) Adopts PLC full automatic intelligent control cabinet and interlock protection program, has the protection function of water shortage, over pressure, over temperature, gas leakage, flame out, electric leakage, and phrase-lacking or overloading of motor, etc.
2) Adopts international brand burner, operate automatically, high combustion efficiency, low harmful gas emission and noiseless operation.

5. Safe Operation
1) Equipped with two explosion door at the furnace roof, to ensure the boiler operate safety and efficiently.
2) Complete gas manifolds and protection system
3) Reliable boiler auxiliaries and multiple safety protection devices, such as pressure controller, pressure transmitter, water level alarm, and safety valve, etc.

6. Convenient Maintenance