Explain the common faults and solutions of biological steam boiler dust removal equipment

Among various equipments for small and medium-sized biomass steam boilers, dust removal equipment occupies a special position. Boiler is one of the biggest sources of pollution caused by modern supply and production. According to relevant information, the world's boilers emit hundreds of millions of tons of dust into the atmosphere when burning. Therefore, boiler dust removal is imperative.

Industrial boiler soot control is mainly carried out from two aspects: first, to minimize the smoke generated by the boiler, to select the correct combustion method, and to improve the level of operation technology; second, to remove the generated soot on the ground according to the dust removal equipment. The degree is collected. The following is a description of the dust removal technology and equipment:

Combustion and soot: Due to the different fuel types, combustion methods and combustion processes, the dust content of the boiler under standard conditions was measured. The results are as follows:

Through the burning test, the following phenomena can be observed:

1. When using cohesive coal , due to poor ventilation of the bonded parts, it is easy to rush out in the unbonded part, bringing out a large amount of pulverized coal and fly ash, and the amount of soot is proliferating.

2. Before the biomass steam boiler is burned, a certain amount of water should be added to the coal for different coal types, particle size, furnace type and the like. Generally, bituminous coal, fine coal is more than anthracite, and coarse coal is mixed with water.

3. In addition to the air blown into the lower part of the hearth (primary wind), it is sometimes necessary to blow air (secondary wind) or spray steam in the furnace to reduce the smoke to make the combustion more complete. To solve the dust removal problem, we also consider the particle size of the soot. The finer the soot particles, the more difficult it is to reach the exhaust gas concentration. Efficient water film dust collectors or electrostatic precipitators need to be installed, and these equipment and maintenance costs are very high, sometimes even exceeding the value of the boiler itself. Therefore, comprehensive measurement of comprehensive comparison, to select the furnace type, coal type and dust removal method is very necessary. The composition of the particles of different combustion methods.

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