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Filter press common fault analysis and solution

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Filter press common fault analysis and solution

Date of release:2018-06-08 Author:广州市龙粤环保 Click:

The filter plate looses or even leaks

Longyu Environmental Protection Failure Analysis of Belt Filter Press Manufacturers: The hydraulic system of the frame filter press is mainly used to provide pressure. When the oil chamber A is filled with oil, the piston moves to the left and the filter plate is pressed to make it closed. When the oil chamber B is filled with oil, the piston moves to the right and the filter press plate is released. Due to the precision of manufacturing, the hydraulic system of the filter press has fewer failures. Just pay attention to routine maintenance. Due to wear and tear, oil leakage may occur every one year or so. The O-ring needs to be repaired and replaced.

Belt sludge dewatering equipment manufacturers Long Yue environmental protection solution: common pressure filter hydraulic failure and pressure can not keep up and inappropriate to promote the hydraulic cylinder. Caused by the pressure can not maintain the main leakage, O-ring wear and solenoid valve does not work, etc., commonly used methods are to remove and inspect the valve, replace the O-ring, cleaning check solenoid valve or replace the solenoid valve. The unsuitable propulsion of the hydraulic cylinder of the filter press is obviously that the air is sealed inside. At this time, as long as the system can pump air, it can be quickly resolved.

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Filter groove on filter press

Longyu Environmental Protection Failure Analysis of Belt Filter Press Manufacturers: After a few years of use of the filter press filter plate, due to some reasons, some groove marks are washed out at the corners. Once the groove marks appear, they will expand rapidly until they affect the formation of filter cakes. At the beginning, the filter cake became soft, and then became semi-lime, and finally the filter cake could not be formed. Because of the special material of the filter press filter plate, it is difficult to repair and can only be replaced, resulting in a high cost of spare parts. During this period, we tried some repairing agents, but the effect was not good. When the oil repair agent was recently used, the situation finally came into being. The trial was very effective and achieved a sealing effect.

Belt sludge dewatering equipment manufacturers Long Yue environmental protection solution: 1, cleaning the trench, leaking fresh noodles, can be used to clean a small saw blade, etc. 2 black and white repair agent by a good ratio of 1:1 deployment 3, the deployment of a good The repair agent is applied to the groove, covered with a slightly high 4. The filter cloth of the filter press is rapidly set and the filter plate of the filter press is squeezed together so that the repair agent and the filter cloth of the filter press are stuck together and the flat groove is squeezed out simultaneously. Groove 5, after a certain period of extrusion, the viscose is naturally formed and no longer changes. At this point, it can be used normally.

Filter cake is not uniform or formed

Belt filter press manufacturer Long Yue Environmental Failure Analysis: There are many reasons for the non-uniformity or non-uniformity of the filter cake formed in the plate and frame filter press. The phenomenon of incomplete or too thin supply or blockage will cause this phenomenon. To troubleshoot these failures, you must find the exact cause and then treat the problem symptomatically.

Belt sludge dewatering equipment manufacturers Long Yue environmental protection solution: The main solutions are: increase the supply, adjust the process, improve the supply, clean filter press filter cloth or replace the filter press filter cloth, clear the plug, clean up the supply Material hole, cleaning drain hole, cleaning or replacing filter press filter cloth, increasing pressure or pump power, low pressure start, constant pressurization and other methods. Fifth, frame filter frame damage.


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Key word:带式压滤机,带式压滤机厂家,带式污泥脱水设备

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