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How to solve the shrinkage problem of filter equipment?
2021年02月04日 更新 | 共1910人阅读
In our commonly used compressed air filter, the problem of filter bag shrinkage caused by various reasons is very common. At this time, we need to analyze the causes of the problem and the solutions to help you use it better.
Problem 1: high temperature burning loss
when dealing with high-temperature flue gas in some industrial occasions, the temperature of the site will fluctuate, which is extremely unstable. This is also a time when the filter bag is easily damaged, which will seriously affect the service life of the filter bag, and even damage the purification equipment. In the face of this situation, it is suggested that the filter bag should be pre coated with lime powder or kaolin under high temperature conditions, for example, the surface of the filter bag should be pre coated with lime powder or kaolin, so as to effectively reduce the harm of high temperature to the filter bag.
Problem 2: high temperature shrinkage
if this situation occurs, it is basically due to the different use temperatures of various filter materials in the equipment. When the temperature exceeds the use temperature of the filter materials, the filter bag will shrink and even cannot be pulled out of the equipment. It can also be divided into the following phenomena:
1. The failure to extract the filter bag from the equipment also indicates that the filter bag shrinks;
2. The bottom of the filter bag is broken by the bag cage, which is also a problem of shrinkage;
3. If the bag cage of the equipment is higher than the filter bag, or sometimes it will be supported on the injection pipe, it means that the filter bag has shrunk.
problem 3: shrinkage due to damp heat
this is a kind of shrinkage phenomenon, but the situation is relatively special, which means that when the fiber temperature is 130 ℃ and there is a lot of moisture, the filter bag will shrink due to the influence of moisture and heat.
Problem 1: high temperature burning loss
when dealing with high-temperature flue gas in some industrial occasions, the temperature of the site will fluctuate, which is extremely unstable. This is also a time when the filter bag is easily damaged, which will seriously affect the service life of the filter bag, and even damage the purification equipment. In the face of this situation, it is suggested that the filter bag should be pre coated with lime powder or kaolin under high temperature conditions, for example, the surface of the filter bag should be pre coated with lime powder or kaolin, so as to effectively reduce the harm of high temperature to the filter bag.
Problem 2: high temperature shrinkage
if this situation occurs, it is basically due to the different use temperatures of various filter materials in the equipment. When the temperature exceeds the use temperature of the filter materials, the filter bag will shrink and even cannot be pulled out of the equipment. It can also be divided into the following phenomena:
1. The failure to extract the filter bag from the equipment also indicates that the filter bag shrinks;
2. The bottom of the filter bag is broken by the bag cage, which is also a problem of shrinkage;
3. If the bag cage of the equipment is higher than the filter bag, or sometimes it will be supported on the injection pipe, it means that the filter bag has shrunk.
problem 3: shrinkage due to damp heat
this is a kind of shrinkage phenomenon, but the situation is relatively special, which means that when the fiber temperature is 130 ℃ and there is a lot of moisture, the filter bag will shrink due to the influence of moisture and heat.