What does q4 mean in the boiler system?
In the combustion process of solid fuel, some fuel often leaves the boiler with ash or fly ash without burning. This part of heat loss is called the heat loss of incomplete combustion of solid, which means q4 in boiler.
According to the inverse balance calculation formula of boiler thermal efficiency, the thermal efficiency of the boiler is equal to the calorific value minus various heat losses. For the boiler with solid fuel, the heat loss of solid incomplete combustion is the main heat loss in the total heat loss. Generally, the more ash there is, the more combustible materials will be caught in the ash, and the greater the heat loss will be.
ZOZEN Boiler takes many measures to control q4 to improve thermal efficiency
As a professional boiler manufacturer, ZOZEN Boiler not only needs to know what q4 stands for in the boiler, but also designs a reasonable furnace structure to make the fuel have enough residence space in the furnace, strengthen the mixing of fuel and air, and effectively reduce the heat loss of solid incomplete combustion. The actual measurement shows that the thermal efficiency of ZOZEN coal-fired boiler is over 82%, that of biomass boiler is over 88%, and that of circulating fluidized bed boiler is over 89%, which is generally superior to similar products.
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WNS series gas-fired (oil-fired) skid-mounted steam boilerLive Chat1-4 t/h1.0-1.6 MPa
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DZL series biomass-fired horizontal type steam boilerLive Chat15-40 t/h1.25 MPa / 1.6 MPa / 2.5 MPa
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DZL series biomass-fired steam boilerLive Chat2-10 t/h1-2.5 MPa
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