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Rice Husk Iincinerator

Wuxi Huaguang Electric Power Engineering Co., Ltd.


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Rice Husk Iincinerator

Country/Region china
Company Wuxi Huaguang Electric Power Engineering Co., Ltd.
Categories Boiler Air Preheater
Update 2011-09-20 17:08:40
ICP License Issued by the Chinese Ministry
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Ⅰ. General Descriptions

The boiler is a single drum, fluidized bed boiler suitable for burning the biologic fuel. Due to the special fuel and changeful operational conditions, the design of structures often differs from the general fluidized bed boilers for meeting their special requirements.
The boiler body consists of the furnace boiling combustion equipment, secondary air system, feed device, ignition oil burner, rice husk feed interface, water pipe system, cyclone separator, economizer, air preheater, steel structure, platform, ladder, furnace wall etc.

Ⅱ.Introduction to Typical Boiler

Taking of the 35t/h middle temperature MH boiler for Thailand TYP Company as an example, main data are as follows:
1.Boiler type: water tube boiler of single drum and gravity circulation
2.Rated evaporation capacity35t/h
3.Rated stem pressure3.82Mpa
4.Rated steam temperature450 ℃
5.Feed water temperature165 ℃
6. Design fuel:
(1) Rice husk Cy40%Hy 5.2%Oy 34.7%
Ny 2%Sy 0.1%Ay 18%
Wy 6%Vy 55.3%
Qy 13400KJ/kg(3200kcal/kg)
(2)Coal ore Cy 59.87%Hy 4.99%Oy 10.38%
Ny 1.16%Sy 0.88%Ay 12.04%
Wy 10.7%Vy 50.39%
Qy 23800KJ/kg(5697kcal/kg)
Grain degree 06mm
7.Feeding system: on the front wall are equipped two sets of screw feeder and four feed inlets where the spreading air blows and it is higher than the air button center by 1000mm .
8.Rate of the blowdown in drum: 2%.
9.Dust separate system: a cyclone separator behind the superheater separates the grains flying out of the furnace, witch is then sent into the furnace from the back wall via two U-shape valves to improve the combustion efficiency of the rice husk and coal.
10.Ignition and rice husk feeding devices: On the back wall are equipped two under-bed ignition burners. On the front wall are equipped four rice husk feeding devices, which is blown into the furnace.
11.Boiler overall dimensions: heightwidthlength = 21000900015000mm .
12.Flue gas flow at the boiler outlet: 92053Nm 3 /h.

Ⅲ. Main Consumers and Achievements



Names of Consumers

Type of Boiler

Drawing No.

Design Fuel vv




TYP Company, Thailand



Rice Husk + Coal


Product Tags:

rice husk boiler


rice husk furnace


rice husk boiler design

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