boiler bag dust collector is very simple, that is, the dusty flue gas passes through the filter material, and the dust particles are filtered out. The filter material relies on inertial collision to capture coarse dust, and captures fine dust through dispersion and screening. The bag dust collector system uses a fan with a steep pressure-flow characteristic curve to reduce changes in gas flow. When choosing the design of the total resistance of the equipment, it is generally better to have lower resistance than higher resistance. However, when using high-temperature dust removal bags, it is inevitable that the dust removal bags will be damaged. The dust removal bags are usually damaged at the bottom. What causes the bottom of the high-temperature dust removal bags to be damaged? Let’s take a look below with Zhixin Environmental Protection Manufacturer.
High-temperature dust bag
High-temperature bag damage is related to factors such as the structural design, airflow organization, backflush cleaning and other factors of the bag dust collector. High-temperature dust bag breakage usually occurs in the following parts: dust bag mouth, dust bag body, inside of dust bag, lower part of dust bag, and bottom of dust bag. The causes and situations of damage in different parts are different, and the solutions are also different.
Causes of damage to the dust bag of the boiler bag dust collector:
1. Filtration wind speed: The filtration wind speed of the boiler bag dust collector is too high, which is the main reason for the damage of the dust bag. In recent years, some units have blindly reduced equipment costs and increased profits. When designing the bag dust collector , they increased the filtration wind speed. There was no obvious response from users in a short period of time, but the service life of the filter bags was shortened. In this way, instead of saving money for the customer, it brings a very large financial burden and wastes time.
2. Operating temperature: Correct selection of dust bags suitable for the corresponding dust temperature is the key to filter bags. If the temperature is too high and the selected dust bag has exceeded the normal operating temperature, the service life of the filter bag will be shortened at best, or it will burn out in a short time. Therefore, when selecting a filter bag, it is necessary to measure and calculate the temperature of the dust collector of the mining dust removal equipment, and then select the corresponding dust bag.
3. Product quality: Boiler bag dust collector bag processing is particularly important. In recent years, some small manufacturers have adopted small sewing machines as processing equipment, and used low-quality thread as raw materials during processing, causing fakes to look real, and the processing level is far behind. As a result, the filter bag may become open, cracked, or bottomed out after a short period of use. Although cloth bags with a slightly smaller size can be used, they will fall off after a period of use after absorbing dust with a larger specific gravity.
4. Dust medium: The selection of boiler bag dust collector bags depends on the dust properties of the dust. It should be considered whether the dust contains acid, alkali or highly corrosive substances. Select the filter material suitable for the dust according to its properties, so that the filter bag can absorb dust normally without affecting its service life.
High temperature dust bag
The bottom of the dust bag is damaged. Reason:
The bottom of the frame of the dust collector is too small. It is also possible that the bag is too long and the operation is too large, causing the bottom of the dust bag to be damaged. The
side is worn and damaged; it may also be excessive accumulation of dust, which will then form a vortex, causing the bag to be worn and damaged. What happens to
: The bottom of the dust collector bag is worn or damaged.
