When dust collector precautions are struck, by the operation of shaking mechanism, the filter bag vibrates with amplitude of frequency to achieve the purpose of dust removal. The tension degree of the filter bag will directly affect the effect of dust removal and the life of the filter bag. If the filter bag is installed too tightly, the effect is good when the ash is cleaned by vibration, but under the action of large tension, the filter bag is easy to damage. If the filter bag is installed loosely, it cannot reach the designed amplitude, and the cleaning effect decreases. When the general equipment leaves the factory, the manufacturer has adjusted the tightness of the filter bag, but in the process of use, it should be adjusted appropriately according to the change in the length of the filter bag to determine the amplitude of 2 to 3cm. In the process of installation or operation, the output axis of the reducer is often not parallel to the axis of the vibration shaft in the vibration mechanism of the reducer, which causes compression, goes beyond the adjustment range of the ball bearing, and causes damage to the whole vibration mechanism. Therefore, during assembly or before the equipment starts operation, it is necessary to strictly check the assembly quality, you can manually drive the motor, observe the normal operation, and then power on the test.

dust collector precautions used for dust collection at the bottom of the warehouse is a relatively new dust collection process, and dust collector precautions themselves are also newly manufactured equipment in recent years. The factory has made the following improvements in order to solve some problems in dust collector precautions during use.

1, choose the appropriate filter wind speed: HD8932 dust collector precautions The original design filter wind speed is 2.0m/mm, in use, it is found to be too large, so that the dust passing rate increases, resulting in more fine dust escaping in a few seconds after the fan starts again. To this end, a ram is added to the inlet of the dust collector precautions fan to adjust the filter wind speed. Under the premise that the dust bearing gas is all sucked away at the dust point, the filtration wind speed is about 0.7-- 0.9m/min.

2, choose suitable filter bag materials: 729 cylinder filter bags used in dust collector precautions, it is found that the filter bags are seriously infiltrated, so use 208 polyester flaxprecautions, the precautions will work well, if needled felt is used, the precautions will work well.

3, add ash valve: The original dust collector hopper has no air lock flight removal mechanism, so that if it is directly located on the belt secret cover, the dust hopper will become a dust suction air duct, which will not only reduce the dust suction effect of the connecting pipe, but also cause the dust to be refluxed, so a stack of ash valves is set under the dust collector hopper. Make dust collector precautions function of dust collection and dust removal to work well, improve the dust collection rate and service life of dust collector precautions.

By the above three improvement measures, dust collector precautions have good dust removal effect, the side-determined dust removal rate reaches 90%, and the emission concentration is 48mg/m3.

In the process of use, it is also found that the following aspects need to be improved, and it is proposed for the reference of the research and design department and manufacturers.

1. The motor and rocker connection of the clearance mechanism can be mechanically connected to avoid the failure caused by belt slip when the triangle belt is connected.

2, dust collector precautions Air machine should choose medium pressure fan, and set air volume adjustment valve at the fan access door.

3, the upper hanging attack mode should be further improved to ensure that there is no bag drop, slip bag phenomenon. And there should be a mechanism to adjust the tension (tightness) of the filter bag.

The normal operation of the single dust collector, pay attention to and repair is important, timely discovery of the question of the single dust collector, is the key, the customer in the use of the corresponding time to check and repair, so as to make the single dust collector normal operation. In order to facilitate the repair time, the customer should prepare a ladder, lighting equipment, in the stand-alone dust collector operation, the corresponding to prevent some bad, bad gas into the system, in the stand-alone dust collector to stop the operation, but also use air to replace the gas inside the system, if it is believed that the bad gas still exists, it is necessary to use the instrument to check. Acknowledging the rear can be operated, but it is not suitable for single operation, otherwise, the question can not be found in time, it will constitute no small trouble.

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