The dust collector can't work with a broken cloth bag, otherwise it will accelerate the scrapping of the dust collector. When individual cloth bags are damaged in a small area, old cloth bags or new filter cloth of the same material can be used to fill holes. The method of repairing holes is to use silicone rubber mixture for bonding, as long as the temperature and chemical properties of the adhesive are suitable for the process conditions.
When most cloth bags are damaged, they should be completely replaced (when the filter material works for a long time, the fine dust accumulated in the filter material layer will reduce its permeability and affect the air volume of the system, although it is not damaged). It is best to replace the bag when the dust collector stops working. At this time, the dust removal controller should be closed and the manhole door at the top should be opened to remove the bag. When disassembling, the bag cage should be taken out first, and then the spring ring at the upper opening of the bag should be pinched into a concave shape and upward.
Installation method of cloth bag and dust removal frame:
The installation of bag cage and bag is the most meticulous and meticulous work in all installation, so it should be installed at the end. In the installation process, the bag must not collide or scrape with sharp objects, even a small scratch will greatly shorten the life of the bag. The installation method of the cloth bag is as follows: firstly, put the cloth bag into the bag room from the box hole, then put the spring ring at the upper part of the bag mouth into the box hole in a concave shape, then reset and press the spring ring around the hole, and finally gently insert the bag cage from the hole until the protective cover at the upper part of the bag cage really presses on the box hole. In order to prevent the cloth bags from being trampled, it is required that each cloth bag should be equipped with a bag cage.
(1) The dust collector equipment shall be operated and maintained by special personnel, and the operation records shall be kept. Managers should fully grasp the principle, performance, structure and operation of the dust collector, and deal with problems in time to ensure the normal operation of the production system.
(2) Mechanical moving parts such as speed reducer and ash conveying device should be refueled and changed in accordance with regulations, especially the piston of the cylinder should not be short of oil, and must be refueled in the oil cup regularly. If abnormal phenomena are found, they should be eliminated in time.
(3) There is dust coming out of the air inlet, indicating that the existing filter bag is damaged. During maintenance, stop the high-temperature fan and exhaust fan and open the upper cover of the vacuum cleaner. If dust is found at the mouth of the filter bag, it means that the filter bag is damaged and must be replaced.
(4) The air filter of the compressed air system should regularly discharge pollutants, the drain valve at the lowest point of the airbag should regularly drain water, and the gas storage tank should also regularly drain water.
(5) The control valve shall be overhauled by special personnel, and the solenoid valve and pulse valve shall be inspected, repaired and replaced regularly.
(6) Repair the sealing strip on the manhole door and replace it in time if it is damaged or aged.
This paper introduces the contents of "Maintenance and replacement of dust bags". Welcome to Zhong Da for more information.
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