In the daily operation of Bag Filter, due to some changes in operating conditions, or some failures, it will affect the normal operation and performance of the equipment. It is necessary to check and adjust the equipment regularly. The purpose is to prolong the life of the filter bag, reduce the power consumption and recover the useful material. The problems that should be paid attention to are:
1. Running records
Every ventilation and dust removal system should be installed and equipped with necessary testing instruments. It must be measured regularly in daily operation and recorded accurately. This can be judged according to the pressure difference of the system, the temperature of the inlet and outlet, the voltage and current of the main motor and so on, and discharge the fault in time. Ensure its normal operation.
The problems found through recording are as follows: the working conditions of the cleaning mechanism, the working conditions of the filter bag (the problems of breakage, pouch, clogging, etc.), as well as the change of the system air volume.
2, fluid resistance
The U type differential pressure meter can be used to judge the operation situation: if the pressure difference increases, it means that the filter bag is blocked, the filter bag has water vapor condensation, the ash clearing mechanism is invalid, the ash bucket is too much dust so as to jam the filter bag and increase the gas flow. The pressure drop means that the filter bag is damaged or loosened, the inlet side pipe is blocked or the valve is closed. There is a leakage phenomenon between the box or each compartment, and the speed of the fan is slowed down.
Special measures should be taken to prevent combustion, explosion and fire accidents in bag filters. When the combustion gas or high temperature gas is treated, the dust, Mars, the combustion and the explosive gas are often entered into the system. Some dust has the nature or charge of spontaneous combustion. At the same time, the material of most of the filter material is easily combustible and the friction is easy to accumulate static electricity. Under these conditions, there are hazards of combustion and explosion. The consequences of such accidents are often serious. Fire and explosion protection measures should be considered well, such as:
(1) set up a combustion chamber or a Mars trap in front of the Dust Collector, so that the incomplete combustion of the dust can completely burn with the gas or capture the Mars.
(2) take measures to prevent static electricity accumulation. All parts are grounded with conductive materials or conductive fibers are made when the filter material is manufactured.
Prevent dust accumulation or accumulation, so as to avoid the spontaneous combustion and explosion of dust.
Before entering the bag room or pipeline inspection or maintenance, ventilation must be strictly protected against CO poisoning.
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Product Categories : Bag Filter