常见故障及处理

　　Common faults and their solutions

　　仓泵常见故障一般在流化加压阶段，仓泵内压力上升缓慢达不到输灰要求主要原因有以下几个：

　　The common faults of the bin pump usually occur during the fluidization and pressurization stage. The main reasons for the slow increase in pressure inside the bin pump and the inability to meet the ash conveying requirements are as follows:

　　1. 储气罐压缩空气压力低或进气阀开不到位。

　　1. The compressed air pressure in the storage tank is low or the intake valve cannot be opened properly.

　　2. 进料阀漏气。

　　2. The feed valve is leaking air.

　　a.进料阀没有关到位，解决办法：调整气缸行程位置使进料阀阀盖关闭严密。

　　a. The feeding valve is not closed properly. Solution: Adjust the cylinder stroke position to make the feeding valve cover tightly closed.

　　b.进料阀阀座或阀盖上下密封圈吹损 解决方法：需把整个进料阀总成拆下，拆下上下密封圈，检查阀座与阀盖是否有吹损，如有需补焊车加工后换装新的密封圈。

　　b. Solution for blowing damage to the upper and lower sealing rings of the feed valve seat or valve cover: The entire feed valve assembly needs to be removed, the upper and lower sealing rings need to be removed, and the valve seat and valve cover need to be checked for blowing damage. If there is any damage, it needs to be repaired by welding and machining, and a new sealing ring needs to be installed.

　　3. 出料阀漏气。

　　3. The discharge valve is leaking air.

　　a.出料阀关不到位。解决办法：通知热工检查电磁阀及气管路。

　　a. The discharge valve cannot be closed properly. Solution: Notify the thermal engineer to inspect the solenoid valve and gas pipeline.

　　b.出料阀密封组件吹损需更换出料阀

　　b. The sealing component of the discharge valve is blown and needs to be replaced

　　4. 仓泵硫化布堵。

　　4. The warehouse pump is blocked with vulcanized cloth.

　　a.飞灰量多，粘性大，飞灰潮湿，这种情况一般发生在电除尘检修过后，由于水冲洗电除尘或长时间不投用引起。

　　a. The amount of fly ash is large, the viscosity is high, and the fly ash is humid. This situation usually occurs after the maintenance of the electrostatic precipitator, due to water washing of the electrostatic precipitator or prolonged disuse.

　　b.压缩空气水分过多引起硫化布堵塞。需检查空压机出气后净化装置是否正常及储气罐疏水情况。确保压缩空气干燥。

　　b. Excessive moisture in compressed air can cause blockage of vulcanized fabric. It is necessary to check whether the purification device after the air compressor exhausts is normal and the drainage condition of the air storage tank. Ensure that the compressed air is dry.

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