Zhongding coal and biomass fired CFB steam boiler is a new generation CFB boiler, it is the national patent product of Zhongding Boiler. Circulating fluidized bed boiler is consisted of combustion chamber, separator, fly ash circulating system, superheater, convection bank, economizer, and air preheater. The boiler inherits the original technology advantages, at the same time, makes big breakthrough on the technology of cyclone fluidized combustion, cyclone separator, and loop seal device. The thermal efficiency of coal and biomass power plant boiler is about 5% higher than the other CFB boilers.
The boiler could burn different coal and biomass fuels. The coal could be anthracite, bituminous and brown coal, lean coal, and combustible with coal gangue, gasifier slag, chain slag and other low-grade fuel, also, the slag can be used comprehensively, and the carbon content of the slag is generally below 2%. The biomass fuel could be wood, bagasse, paper products, bamboo, cotton shell, peanut shell, straw, sawdust, coconut shell, etc.
ASME, CE, SGS, ISO
Different coal and biomass fuels
1. Integrate furnace, separator and loop seal system by using membrane water wall, compact structure.The water cooling separator skeleton is membrane wall, prevents the low efficiency caused by air leakage. The membrane wall could abort the heat of inner wall, allowing the residual carbon to burn in the separator (do not cause coking).
2. The boiler arranges cyclone combustion device in furnace, achieves cyclone fluidized circulating combustion, improve combustion efficiency.
3. The loop seal device is composed of two membrane water walls, and the heat of fly ash could absorbed by the water wall tubes.
4. The boiler uses low flow rate design, the area of the furnace is large and the smoke speed is low. The buried pipe adopts anti-wear steel with the special size and angle, and reduce the flidization velocity, to reduce the abrasion. The separator is at the outlet of combustion chamber, the large particles of the flue gas are separated, reduce the abrasion of heating surface.
Use centrifugal blower for ventilation, blower air, convey materials. The blower could be customized based on the specific requirement.
Choose the high quality slag cooler with strong colling capacity and fast slag cooling speed.
There are different type dust removers, we will choose the most suitable one based on the specific requirement.
We adopts the stainless vertical pump with low noise, stainless impeller and pump body.
Standard configuration: one inlet, three outlets, equipped with pressure gauge and thermometer. It can be designed according to customers' requirement.
It is fully automatic and free debugging. We adopts PE material for salt tank body, it has hard texture and it is easy to move, anti-shock, and no leakage.
Zhongding Boiler pay more attention to the boiler quality from raw material to producing process.
|Model||Rated Evaporation||Rated Steam Pressure||Rated Steam Temperature||Feed Water Temperature||Design Efficiency||Body Dimension|
|SHX6-1.25-A II||6t/h||1.25MPa||194℃||105℃||According to the different types of coal, the design efficiency is not lower than 86%.||9795×7160×13950|
|Note: Parameter is for reference only, the specific should follow the design institution.|
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