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Coal-Fired Traveling Grate Boiler

Wuxi Huaguang Electric Power Engineering Co., Ltd.

Country/Region:China

Tel:86-791-8176366

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Coal-Fired Traveling Grate Boiler

Country/Region china
Company Wuxi Huaguang Electric Power Engineering Co., Ltd.
Categories Boiler Air Preheater
Update 2011-09-20 17:08:23
Telephone 86-791-8176366
ICP License Issued by the Chinese Ministry
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Ⅰ . INTRODUCTIN

The traveling grate boiler made by our company has adopted a unique patent technology for the design of air chamber match and furnace arch. Through the efforts of our employees for several dozens of years, our products of traveling grate boilers have achieved many advantages of max market share, best stable quality, max single capacity etc. on the domestic market of China . Our traveling grate boilers are running at almost every county and city all over the country.
The traveling grate boiler applied to industrial steam supply usually will have a capacity of 10t/h-90t/h while the steam pressure and temperature can be specially designed to meet customer's requirements. The traveling boiler applied to power generation will have a capacity of 10t/h-90t/h and the range of steam pressure or temperature will cover various parameters from sub-medium pressure2.45Mpa 400to high pressure and high temperature9.8Mpa 540. The traveling grate boiler used for urban centralized heat supply will have a capacity of 7MW-63MW.
In accordance with our experiences accumulated in several dozens of years, the current traveling grate boiler can accept various kinds of special fuels such as various kinds of coals, coal & gas, coal & fuel oil, various kinds of biomass fuel, waste wood, old tire, coffee slag and furfural slag. Meanwhile these special fuels can also adopt the combustion mode of circulation fluidized bedCFB.

Ⅱ . Comprehensive Explanations :

Industrial Steam Supply
Power Generation
Urban Heat Supply
Capacity range
10T/H---90T/H
10T/H---90T/H
7MW---63MW
Pressure range
of boiler
1.0MPA---2.45MPA
2.45MPA---9.8MPA
0.98MPA---1.6MPA
Steam temperature
Saturated or superheated
400℃ - -540℃
(hot water) 90℃ - -150℃
Feed water temperature
104℃
104℃ - -215℃
70or 90℃
Design efficiency of boiler
80-82%
80-82%
80-82%
Main structure type
Bi-drum/natural circulation

Bi-drum/natural circulation orSingle drum/natural circulation

Bi-/ single drum/natural circulation or single drum/forced circulation

Form of main heated area

Bare tube or membrane water-cooled wall
Bare tube or membrane water-cooled wall
Bare tube or membrane water-cooled wall
Convention bank
Convention bank only for low pressure boiler
Convention bank
Or convention superheater
Convention & radiation superheater
--
Steel tube economizer
Steel tube economizer
Steel tube economizer
Air preheater
Air preheater
Air preheater
Drum

When pressure level is equal to or less than`2.45MPA, the bi-drum natural circulation design will be adopted; when pressure level is larger than 3.45MPA, single drum design will be used. Oval end covers with manhole are equipped at the both ends of drum. On the top body are mounted a set of water level indicator of electric contact type and 2 sets of water level indicators of quarts glass tube type, a set of auto water level adjusting pipe nozzle and also the pipe nozzles for continuous blow down, dosing, water feed etc. On the drum body are mounted 2 safety valves of spring type and steam pressure gauge, air blow-off and self-use steam pipe nozzle. For the internal layout, there are primary steam separation components such as submerged hole-gap damper and on


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