dust collector precautions for use off-line pulse cleaning. It is a kind of unit combination dust collector with large air volume, good dust removal effect, good dust removal rate, convenient operation, maintenance and small footprint. dust collector precautions for use of ontology with special treatment, good service life. Foundry is more suitable for the use of bag dust collector, bag dust collector body structure is mainly through the upper part of the box into the middle box through the air inlet pipe, later by the lower box (ash bucket), dust cleaning system and exhaust mechanism and other parts. dust collector precautions for use. Dust collector precautions for use. Dust collector precautions for use. Dust collector precautions for use. In addition to the correct selection of bag material, the dust cleaning system plays a decisive role in the performance of bag dust collector. Therefore, the cleaning method is one of the characteristics to distinguish the bag dust collector, but also an important link in the operation of the bag dust collector.
dust collector precautions for use The whole equipment includes five parts: clean air box, dust air box, ash hopper, jet equipment and bracket. Clean air box part, this part is equipped with a blow pipe, clean air part has a clean air outlet, in front of the access door, open the access door, can easily replace any filter bag, dust gas part, dust gas is located in the upper part of the air box, the box is equipped with a filter bag, ash bucket part, dust gas into the dust box, clean air empty filter bag to clean air box. The dust will settle into the ash hopper, and the settling direction is consistent with the airflow direction, which is conducive to the dust settlement. There is a partition between the clean air box and the dust air box. The size of the filter bag is a rectangular flat filter bag with a length of 1200mm, a width of 480mm and a thickness of 26mm. Reverse blower equipment, installed under the clean air box, including air bag, pulse valve, pulse controller, etc.
dust collector precautions for use Dust properties include specific resistance, particle size, true density, flatness, hydrophobicity and hydrohardiness, flammability, explosion, etc. Dust with too large or too small specific resistance is not suitable for electrostatic precipitator, bag type dust collector is not affected by the specific resistance of dust; The concentration and particle size of dust have a significant effect on the rate of electrostatic precipitator, but not on the bag precipitator. When the dust concentration of the gas is good, the pre-dust removal device should be set up before the electrostatic precipitator. The type of bag dust collector, the way of cleaning dust and the filtering wind speed depend on the nature of dust (particle size, scoop); Wet dust collector is not suitable for purifying hydrophobic and hydraulic dust: the true density of dust has significant influence on gravity dust collector, inertia dust collector and cyclone dust collector. For the new adhesion of large dust, easy to lead to dust collector working face cat knot or blockage, therefore, it is not suitable to use dry dust removal; When the dust can produce combustible or explosive dangerous mixture after water purification, wet dust collector can not be used.
It is important to cool the dust collector precautions for use. dust collector precautions for use cannot get used to this environment because the temperature of the smoke is sometimes as high as 550°. Therefore, three cooling methods should be selected for the dust collector. Set up a gas cooler in dust collector precautions for use, it can assist in lowering the temperature of the air, air and water, some cool wind and water cooling occurs. These cool breezes and cold water are able to assist in cooling the smoke and then lowering the warmth of the stand-alone bag dust collector. The single machine bag dust collector is a dry dust filter. It is suitable for capturing fine, dry, non-fibrous dust. In high temperature, you can install a cool air valve, the cool air valve is mainly to avoid some high temperature flue gas into the dust collector, it is used for conditioning, one end of it is connected to high temperature pipeline, and the other end is connected to the atmosphere. Therefore, before dust collector precautions for use, it is better to install these devices. In this way, the function of the dust collector can be carried forward, and the dust collector will not be damaged due to unacceptable high temperature. Some low-temperature flue gas can be properly mixed. If the temperature of the gas in the dust collector is not the same, the best way is to mix a part of the low-temperature gas into the high-temperature flue gas first, so that the gas can be mixed and the temperature in the dust collector is not so high.
After dust collector precautions for use reach a separation preparation of dust removal and desulfurization ash, it will enter the cylinder, and can quickly reduce the temperature of the flue gas, continue to impact the limestone water in the tank, and the dust in the flue gas will react with the limestone water in the tank to produce sulfate. Under the action of inertia force, gravity, adhesion, cohesion, dust can sink to the bottom, so that the completion of the secondary desulfurization. The water caused by the flue gas, and the water mist and the washed flue gas in the dust collector precautions for use in the fan gravity, gas, water can be lifted at the same time, so that the flue gas and lime water sufficient reaction, so that the flue gas to complete the third dust removal and desulfurization. With this kind of dust removal equipment, the pollution caused by coal-fired boilers to the environment is reduced.
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