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Coal Fired SGS Standard Circulating Fluidized Bed Boiler For Power Plant

Zhangjiagang HuaDong Boiler Co., Ltd.
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Coal Fired SGS Standard Circulating Fluidized Bed Boiler For Power Plant

Brand Name : HDB
Model Number : CFB Boiler
Certification : ISO9001 , SGS , TUV , ASME , EN
Place of Origin : CHINA
MOQ : 1 set
Price : Negotiable
Payment Terms : L/C, T/T, Western Union
Supply Ability : 500 tons per month
Delivery Time : 30~50 days
Packaging Details : Seaworthy packing
Usage : Industry/Power Station
Structure : Fire/Water Tube
Weight : Customziation
Color : Customer's Requirement
Material : Thicker Stainless Steel,Q235B Carbon Steel
Application : Household,Power Plant
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Coal-fired SGS Standard Circulating Fluidized Bed Boiler for Power Plant

CFB Boiler Product Introduction

The CFB boiler has advantages such as the wide application of fuel (it can burn various high quality coal, fault coal, coal gangue, bark, andtrash, etc.), high combustion efficiency, good desulfurization effect, low NOX emissions, etc., of which development is paid great attentions bycountries worldwide. CFB boiler is of single drum with the natural circulation, balanced ventilation, semi- open layout, allseel frame and fullsuspension structure. The furnace periphery is of full membrane wall structure and equipped with explosion-proof rigid beam; the whole boilerhas free expansion downward. ZG has series CFB boiler products with complete parameters and varieties.

CFB Boiler Technical Features

1. Focus on solving the problem of heating surface wear. Select a reasonable flue gas flow rate and take effective measures for wear preventionto reduce wear of heating surfaces.

2. Select a reasonable separator inlet flue gas velocity and ascending velocity to reduce separator wear and improve separation eficiency of theseparator.

3. Optimize structure of return device to ensure smooth return and stable furnace bed material.

4. Optimize the number of the blast cap and primary wind speed, to ensure the smooth fluidization of fuel and coking prevention.

ZG continues to be manufacturing, designing, engineering and servicing CFB boiler with Class A Boiler design and manufacture license since1945 for a huge number of satisfied customers. The price of CFB boiler is not uniform in terms of the price set according to the specificparameters of the boiler 's point of view,but ZG will supply the best price for customer.With independent right of import and export, ZG hasexported CFB boilers with good quality and suitable price to Argentina, Dutch, Italian, and Spanish, Tanzania, Nigeria, Serbia, Kazakhstan,Mongolia , Malaysia, India, Indonesia, Pakistan, Congo, Russia , Singapore,UAE, Thailand Bangladesh,etc

CFB Boiler Parameters

Rated evaporationt/h35
Rated steam pressureMPa3.825.3
Rated steam temperature450450
Feed water temperature150150
Fuel typeAnthracite, lean coal, bituminous coal, lignite, petroleum coke, breeze, etc.
Furnace heightM22
Furnace sectionm29.6
Number of coal feederUnit2
Super heater thermostat modeSpray desuperheater

Unburned carbon

(bituminous coal)

Pre-heater air temperature140
Exhaust gas temperature145

CFB Boiler Construction

Boiler using a single drum, natural circulation, generally divided into the front and the end of the two shafts.
The vertical shaft at the front is a total suspension structure, which is composed of membrane type water wall around.
From bottom to top, it is the primary air chamber, dense phase area and sparse phase area, and the tail flue is the high-temperature superheater, low-temperature superheater, economizer and air preheater from top to bottom.
The vertical shafts at the end are supported by a vertical cyclone separator. The lower part of the separator is connected with a return device and a ash cooler.
The combustion chamber and separator are equipped with anti-wear lining inside, the front vertical shaft with tube furnace wall, the outer metal plate, the rear vertical shaft with light furnace wall, by eight steel column to bear all the weight of the boiler.
The boiler adopts under-bed ignition (oil or gas), fractional combustion, primary air ratio of 50-60%, fly ash cycle for low rate, medium temperature separation of ash and slag discharge using dry, respectively from the water-cooled screw slag machine, ash cooler and dust collector dust bucket discharge.
The furnace chamber is the key to ensure the full combustion of fuel. The turbulent bed is adopted to make the fluidization speed be 3.5-4.5m /s. The appropriate furnace cross-section is designed.

Company Profile

1100 employees, 400,000 ㎡ with fixed assets amounting to USD 110,000,000, 34 years experience, ISO9001, SO3834, EN12952 certificated, 150km expressway to Shanghai,60km state road to Suzhou or Wuxi, this is how we keep superior quality and competitive offers for global valued customers.

Our main products cover Utility Boiler, HRSG Boiler, coal-fired , oil(gas) -fired, coal-water-slurry-fired and garbage-fired steam/hot water boilers, organic heat carrier boilers, etc., and Boiler spare parts (Economizer, Finned tube, Header, Steam drum, Superheater, Water wall panel, Air preheater, Cyclone separator, etc., which are widely used in power generation, heat supply, chemical engineering, textile, food, paper, road building, plastic, rubber and wood working industries.

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circulating fluidized bed boilers


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