Power plant coal slag conveyor belt

The Power plant coal slag conveyor belt is the main equipment for conveying and processing the bottom ash and slag of coal-fired boilers. It is used to cool and convey the hot slag discharged from the boiler.
Power plant cinder conveyor belt is the main equipment of the boiler dry slag removal system, which is called dry slag unloader, dry slag remover, dry conveyor, etc.

The boiler bottom slag removal system refers to a comprehensive treatment system. Collect, cool, transport and store the bottom slag discharged from the bottom of the boiler. The dry slag removal system refers to the bottom ash and slag treatment system, which relies on the negative pressure of the boiler and introduces a controlled amount of ambient air to cool the slag. .

Introduction to the use of dry slag conveyor belt in the dry slag system:
The air-cooled dry slag conveying system is a command system for the air-cooled dry slag conveyor to ensure safe operation. The high-temperature slag of the power plant boiler continuously falls on the conveyor belt of the slag conveyor. The high-temperature ash moves at a low speed on the conveyor belt to achieve a cooling effect. Under normal operating conditions, the furnace is under negative pressure, and a small amount of controlled ambient cold air enters the air-cooled dry slag remover in reverse, so the ash is gradually cooled by the wind during the conveying process, and the combustion is gradually completed. The cold air is fully exchanged with high temperature ash and slag. The air absorbs the radiant heat of the boiler and the sensible heat of the ash, and the air temperature rises to about 340℃ (equivalent to the secondary air supply temperature of the boiler), enters the furnace, and the cooling temperature of the slag will drop to about 100~200℃.

The air-cooled dry slag conveying system usually controls the influence of the cooling air volume on the boiler air intake within the allowable excess air coefficient, so the heated hot air can be delivered to the furnace without affecting the normal operation of the boiler. However, if the boiler air surplus coefficient is strict, the hot air can also be sent to the boiler air supply system for reuse. The cooling air volume usually requires ≯1% of the total combustion air volume of the boiler; when the temperature of the air entering the furnace is> 340℃, the cooling air volume can be increased to 1.5-2%.

The above is the application of the Power plant coal slag conveyor belt in the entire slag discharge system. This mesh belt is specially customized, high temperature resistance, wear resistance, stable operation, and high efficiency.

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