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What are main pieces of auxiliary equipment of coal-fired boilers?
What are main pieces of auxiliary equipment of coal-fired boilers?
11 Dec 2020
1) Fans. Fans can be divided into forced draft fan, induced draft fan, primary air fan, pulverized fuel exhauster and so on. The forced draft fan can provide the air for fuel combustion and promote the sufficient fuel combustion. The primary air fan often adopts the centrifugal fan to dry the fuel and send the fuel to the furnace.
2) Coal pulverizer. The coal pulverizer is the main equipment in the pulverizing system of coal-fired boilers. Its function is to turn the coal briquette into pulverized coal via crushing, pressing and grinding processes which is brought away by the hot air to improve the combustion efficiency of coal.
3) Dust collector. The dust collector of the boiler has mechanical, filtering, wet and electric types, which can collect and reduce the dust with different diameters to make the boiler meet the environmental protection standards.
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