KNOWLEDGE

How important are dust collector accessories

1.The particularity of bag filter:

The bag filter has its particularity in all dust collectors, mainly because its accessories play a leading and key role in the performance of the equipment. Other dust collectors such as gravity dust collectors, inertial dust collectors, cyclone dust collectors, electrostatic dust collectors, and various wet dust collectors play a leading and key role in the host. Except for the ash discharge valve, gravity dust collectors, inertial dust collectors, and cyclone dust collectors are almost all hosts without accessories. Although the electrostatic precipitator has some accessories, its main function is the configuration of the power plant and the distribution of gas. The main function of the wet precipitator is also the theme structure, and its accessories play an auxiliary role. Only the bag filter plays a leading and key role in accessories. The performance of the accessories directly affects the performance of the bag filter. Only the high-performance bag filter mainframe and accessories are compatible, can the efficient, safe and reliable operation effect be exerted and meet the design requirements of the bag filter.

2. The importance of filter accessories:

As the filter element of the bag filter, it is the core component of the bag filter. The filtering efficiency, discharge concentration, resistance, and service life of the bag filter all depend on the filter material used in the filter bag because the quality of the filter material becomes the key.

The requirements for the filter material of the bag filter are: 1) Reasonable structure, high filtration accuracy, low emission concentration; 2) Good surface finish, easy to clean; 3) Moderate air permeability, low resistance; 4) Sufficient strength, good dimensional stability 5) Temperature resistance, wear resistance, corrosion resistance, and chemical corrosion resistance; 6) Wide sources of raw materials, stable and reliable performance; 7) Low price and long service life.

The development and improvement of the bag filter technology are carried out at the same time as the development and improvement of the filter accessories.

3. The importance of cleaning accessories:

When removing dust, the bag filter can work continuously.

The cleaning methods mainly include mechanical vibration cleaning, counter-current cleaning, and pulse jet cleaning. Generally, one method is used, but there are also several cleaning methods. The sonic method can be combined with other methods to improve the cleaning effect.

Due to the importance of the cleaning accessories of the bag filter, the cleaning accessories of the bag filter have become the focus of attention of many researchers and users.

4. The importance of testing and controlling accessories:

The detection and automatic control of the bag filter system is an important link to ensure the good operation of the system. Since the work of the bag filter relies on the filter bag to filter and purify the flue gas, its resistance and service life are the keys to the operation of the equipment. Therefore, the selection of reasonable monitoring and automatic control equipment is of great significance to ensure the normal operation of the dust removal system and prolong the service life of the filter bag, especially in some industries closely related to production. The inadequate monitoring of the bag dust removal system for boiler flue gas purification in coal-fired power plants will result in large equipment resistance, reduced airflow or damage to the filter bag, causing excessive smoke and dust emissions, polluting the atmosphere, affecting the operation of the boiler, and even causing shutdown accidents.

5. The importance of ash discharge accessories:

The dust removal process is divided into three stages, namely the dust removal stage, the separation stage, and the dust discharge stage.

The dust removal process is mainly the process in which the separated dust is discharged from the dust outlet of the dust collector after passing through the separation interface. The bag filter requires additional power to complete the dust removal process. The work done by the additional power includes loosening the ash hopper and discharging the dust in the ash hopper to a designated location. This process is also very important for dust collectors.

The practice has proved that if you do not pay attention to the ash discharge and ash discharge port of the dust collector, it will cause various failures and even affect the operation of the dust collector.

In summary, each accessory of the bag filter plays an extremely important role. Therefore, when designing and selecting dust collector accessories, we must pay attention to the matching and quality of each accessory to prevent the damage of small accessories from causing the shutdown of the entire dust removal system.

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