Manufacturer supplies small bag filter Quanzhou bag filter equipment cost

Description :

　　Product Maintenance

　　Regularly check the operation of control valves, pulse valves, and timers.

　　The failure of the pulse valve rubber diaphragm is a common fault in bag filters, which directly affects the dust cleaning effect. This device belongs to the external filter type, with a skeleton inside the bag. It is necessary to check whether the parts that fix the filter bag are loose and whether the tension of the filter bag is appropriate. Is the support frame smooth to prevent wear and tear on the filter bag. Compressed air is used for dust removal. Therefore, it is required to remove oil mist and water droplets, and the oil-water separator must be cleaned regularly to prevent malfunction of the moving mechanism and blockage of the filter bag.

　　Whether the air volume and pressure and temperature at each testing point are consistent with the design.

　　The installation status of the 3 filter bags, whether there are any occurrences of bag dropping, loosening, wear, etc. after use, can be judged by visually observing the emissions of the chimney after operation.

　　4. Prevent condensation

　　During use, it is necessary to prevent the gas from cooling below the dew point in the bag chamber, especially when using a bag filter under negative pressure. Due to the frequent leakage of air into the outer shell, the gas temperature in the bag chamber is lower than the dew point, causing the filter bag to become damp. This results in dust not being loose but sticking to the filter bag, blocking the fabric holes and causing dust removal failure. This leads to excessive pressure drop in the dust collector, making it unable to continue operating, and some bags may become stuck and unable to remove dust.

　　To prevent condensation, it is necessary to maintain the temperature of the gas in the dust collector and its system at 25-35 ℃ above its dew point (such as the dew point temperature of 58 ℃ for kiln mill integrated machines, and the operating temperature should be above 90 ℃), in order to ensure the good use effect of the filter bag.

　　The gas purification method of the low-pressure pulse bag filter is external filtration. The dusty gas enters each unit filtration chamber through a guide pipe. Due to the design, there is sufficient and reasonable airflow from the bottom of the filter bag to the upper opening of the air inlet through appropriate guidance and natural flow distribution, achieving uniform air distribution throughout the filtration chamber. The particulate dust in the dusty gas is separated by natural settling and directly falls into the ash hopper, while the remaining dust is guided by the guide system and enters the middle box filtration area with the airflow, adsorbing on the outer surface of the filter bag. The filtered clean gas passes through the filter bag and is discharged through the upper box and exhaust pipe.

　　The processing air volume refers to the volume of gas that the dust removal equipment can purify in a unit of time. The unit is cubic meters per hour (m3/h) or standard cubic meters per hour (Nm3/h). It is one of the most important factors in the design of bag filters. When designing or selecting a bag filter based on air volume, it is generally not allowed to operate the filter beyond the specified air volume. Otherwise, the filter bag is prone to clogging, the service life is shortened, the pressure loss increases significantly, and the dust removal efficiency also decreases; But the air volume should not be chosen too high, otherwise it will increase equipment investment and land occupation. The reasonable selection of air volume for processing is often determined based on process conditions and experience.

AfterSalesService :

• bag filter