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Tips for the use of physical manufacturers of dust removal equipment in mineral processing plants

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Tips for the use of physical manufacturers of dust removal equipment in mineral processing plants

Date of release:2020-03-18 Author: Click:

Due to its strong dust removal function, the dust removal probability can reach 95%, so its dust removal advantages are compared with traditional dust removal equipment. Vacuum cleaner dust bag replacement procedure The dust bag and dust collection frame play a very important role in the dust collection operation of the bag vacuum cleaner, so what is the "heart" of the vacuum cleaner? Environmental protection dust removal equipment, the framework of the vacuum cleaner is of course very important. The components of the dust collector accessories are clearly divided and interlocked with the function of the dust bag in the pulse bag dispenser: the dust bag can be called the heart of the bag dust collector. Whether the dust collector can maintain long-term stable operation and prolong the service life is essential for daily maintenance. However, if the temperature changes within the temperature range of the filter material, the dust removal efficiency will not be affected. In order to make our own industry truly a pioneer of vacuum cleaners, Botou Kaitai's environmentally friendly boiler vacuum cleaners have absorbed a large number of talents and formed a competitive team of talents. Pre-charging technology The pre-charging device is installed in the flue gas of the bag dust collector to charge the dust.

  During operation, high-temperature flue gas enters the dust collector from the air inlet, first encounters the inclined partition in the middle of the air intake pipe, and the airflow flows down into the ash hopper. When the dust particles flow through the working electric field, they are negatively charged and move to the precipitation plate with the opposite sign of the negative charge at a certain speed. It should be replaced and repaired. If the pulse dust collector is out of service for a long time, all components in the device should be cleaned and sealed after storing water in the empty dust collector and related containers and pipes. The shell of the pulse bag dust collector has no heat insulation measures or bad effects: the shell of the bag dust collector generally adopts a steel plate structure, and the steel plate has a large thermal conductivity. The load commissioning should complete the following tasks: connect all power sources, compressed air source, start the ash conveying equipment, put the dust removal controller in manual state; connect the pressure measurement device to the pressure measurement port of the vacuum cleaner; start the main fan and observe the no-load operation Resistance, measure the air volume at the entrance and exit, and calculate the air leakage rate. The air leakage rate should be less than%. Otherwise, all the process equipment should be checked and started, dusty flue gas should be introduced, and the rise of the operational resistance of the dust collector and the discharge of the exhaust port should be observed. Energy consumption can be divided into low energy consumption and high energy consumption. Compared with the filter bag specification of 0 * 6500, the invention has the advantages of reasonable layout, reasonable length-to-diameter ratio, good dust removal effect, low flow cross-sectional wind speed and the like.

  The bag-type dust collector instantly "dusts out", which means that although the dust-removing filter bag is damaged, it is not very serious. When the bag-type dust collector is injected, it "dusts out" instantly. After the side ventilation door is closed, the sealed fan automatically starts the entrance and exit air doors, and the side ventilation doors are all closed. After all the preparations before the bag filter starts, the operator should determine the cleaning method. Differential pressure cleaning or regular cleaning Ash, and start the corresponding cleaning procedure. It is made of -5D high-quality fine-denier polyester yarn, woven with high-strength, low-elongation yarn into a reinforced base fabric, and then made by needle punching reinforcement and post-treatment processes. This is mainly due to the development of pulse dust collectors in power station boilers and other projects that handle large amounts of gas. The resistance loss and dust removal efficiency when the gas passes through the dust collector. Boiler bag dust collector is a kind of dust removal and purification equipment, used to filter the dust-containing gas containing filter material. Brand bag dust collectors have many years of manufacturing experience and ability to solve problems, so if such problems occur during use, you can contact the brand manufacturer for guidance.


Therefore, it is extremely important to establish a suitable filter cake layer for the service life and efficiency of the dust bag. When the filtering air speed is low, it can improve the dust removal efficiency, enhance the dust removal capacity, extend the dust removal cycle, and thus extend the service life of the filter bag. When installing the dust bag, you must ensure that the size of the dust bag is the same as the installation size, and the treatment of the bag dust collector is not perfect. However, observation shows that improper design and installation of the deflector can not only guide and disperse the airflow, reduce the role of the dusty airflow on the scouring of the filter bag, but also wash out the holes to form a local high-speed dusty airflow The erosion points also generated, which quickly damaged the filter bag. In addition, for working conditions with high humidity or the risk of acid condensation, the filter material does not undergo hydrophobic treatment. The bag type dust collector is equipped with a gas cooler, which helps to reduce the temperature of the air body, air body and water, and generates some cold air and water. The small size of the equipment will affect production and it is difficult to meet environmental protection requirements.

As the dust in the dust bag gradually thickens, the discharge of purified air is blocked. It has a wide range of applications. The cleanliness of the air in the wide air zone near the factory for the monitoring of the operation of the bag filter is largely dependent on the operating efficiency of the sub-gas dust collector. The choice of vacuum cleaner bag material should be based on the nature and composition of the flue gas to select the appropriate filter material. It has the advantages of simple structure, small size, non-special auxiliary equipment, low cost, moderate resistance, no moving parts in the device, and convenient operation and maintenance. Dust removal rate The dust removal rate of pulse bag dust collectors can usually reach more than%, and the dust emission concentration can be stable below milligrams, even below milligrams, and almost zero emissions are achieved. The filter bag is easy to fix: the filter bag is embedded in the fabric, and the bag has an elastic ring.

If the operating resistance of the dust collector is lower than its set value, the dust removal will stop directly, otherwise the dust removal will continue. The advantages and disadvantages of the two are as follows: the advantages and disadvantages of bag dust removal: bag dust removal efficiency is high, up to 99%; auxiliary equipment is less than electrostatic dust collector, less investment, and low technical requirements. It can be debugged and installed according to site characteristics. Alkali-enriched liquid spraying device can achieve desulfurization effect. The flue gas of the boiler dust collector enters the inner pipe through the inlet flue, and is evenly sprayed by water at the inlet of the throat. Manual tapping: Manually tap each dust collection filter bag to charge the dust particles in the dust-containing gas to remove the dust accumulated on the filter bag. At the same time, the airflow rate slows down.

The key factor for explosion of the explosion-proof dust collector is the concentration of aluminum powder. The presence of corrosive gases in the flue gas is a factor that must be considered when selecting filter materials, dust collector shell materials, and corrosion protection. Various cooling methods are suitable for a certain range, and its characteristics are suitable for dust collectors with different temperatures and uses. According to the standard "Classification of Bag Dust Collectors and Performance Expression of Specifications", bag dust collectors can be divided into five types, and the dust removal method is the main symbol of the classification of bag dust collectors. The temperature resistance can be continuously operated at a temperature of 20 ° C, and can withstand repeated instantaneous fluctuations in temperature at 20 ° C, indicating that the higher the dust removal efficiency, the greater the amount of smoke. Various vacuum cleaners have their own designs to handle smoke. If the pressure is too high, the service life of the bag will be affected. If it exceeds micrometers, there is no problem with reaching 0 mg.

Due to abnormal high temperature hardening shrinkage; due to contact reaction with acid, alkali or organic solvent vapor; filter cloth should not be hung too loose or too tight when reacting with water, too loose and easy to dust, too tight and easy to break the old bag of new technology Mixed use, to avoid different damage time and affect the normal work of the dust removal equipment. After replacing the cloth bag, blow it clean with compressed air first, then check if there are holes, and replace them after the holes are repaired. There are two preventive measures: One is to choose the bypass flue. If there is a problem, there is nothing to do. Reasonable man-machine design concept is conducive to equipment repair and maintenance. The ash discharge device is not only a part of the bag type dust collector, but also a necessary device for all dust removal equipment. The handplate and pointer of the induced draft fan, air compressor, winch and other equipment move normally, rotate correctly, without abnormal sound and vibration, check the sealing of the compressed air system, clean the air channel system with compressed air, and manually check whether the poppet valve Install the correct power supply, first hit the high-pressure gas source, adjust the pressure of the gas storage tank to 0.5≤0.7 MPa, and check whether the pneumatic components such as compressed air pipe joints, three-way valves, and pulse valves are normal.


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