Dedusting equipment for drying machine

The deduster of the dryer adopts high pressure pulsing ash cleaning method, which has good effect on the waste gas treatment of the dryer, vertical dryer, cement, mineral powder, gypsum and other industries. As the dryer uses coal to provide heat source, the exhaust gas contains a certain amount of sulfur dioxide, which has a strong corrosivity. According to this characteristic, all the internal dust remover uses anticorrosion treatment. Filter bag is used for high temperature resistant and corrosion resistant fluorometh filter. The framework is made of stainless steel or silicone. Besides, the insulation layer is made outside the equipment so as not to expose the smoke to corrode the shell and block the filter bag. The service life of the dust collector is prolonged. The box type off-line pulse ash cleaning system can repair the dust remover online without stopping. The equipment is fully automated and has no need for personal supervision. The emission concentration is far below the national standard. The structure and working principle of the dryer dust collector and the coal drier
The coal slurry drier system mainly consists of heat source system, feeding system, conveying system, drying system, dust removal system, and electrical control system. The slime itself has high moisture and high bonding property. In the process of drying, the wet slime enters the slime through the belt conveyor. After the fast scattered lump of slime into the negative pressure dryer, the slime is divided into the following working areas: the first is the guide area, the wet slime enters this area and evaporates rapidly after the high temperature negative pressure hot air contact. When the water is measured, the slime is transferred to the next working area under the copying plate of the big guide angle. Two is the cleaning area. The wet slime is copied from the sheet to form the state of the curtain, and the wall phenomenon is easily formed when the material falls down. In this area, the cleaning device can quickly clean up the sticky because of the equipment design. In the process of this process, the cleaning device also plays a crushing role in the mass pellets of the material, thus increasing the heat transfer area and improving the efficiency of heat and mass transfer. The slime dryer increases the drying rate; three is the sloping uplink area, which is a low temperature drying area, and the slime has low water in this area. Loose state, this area has no bond phenomenon, after heat exchange finished product reached the required water requirements, the movement entered the final discharge area; four is the discharge area, the drying main engine cylinder in this area does not set the sheet, material in this area rolling to the discharge mouth, complete the whole drying process.
The dryer dust collector is designed for the exhaust gas produced by the dryer to the slag, pulverized coal, clay, and desulphurization gypsum. The flue gas produced in the dryer is characterized by high temperature, high corrosion, easy to dew and so on. The dust remover is specially carried out in the process of making the dust collector, and the skeleton is treated with organosilicon and filter bag. Oil and acid resistant and high temperature resistant filter materials are installed and external thermal insulation is installed. The use of impulse ash removal has large air handling capacity and high automation level.
The fluctuation range of the flue gas temperature, dust concentration and moisture content of the dryer is large, especially the high temperature of the smoke dew point. One dryer often dries a variety of materials, the properties of the dust change frequently, the flue gas is corrosive, and the drying machine is stopped when the dryer is opened. These all bring great difficulties to the dust removal of the dryer, and the dryer is very difficult to remove. Dust has become a problem of dust removal in cement plant. The special pulse bag filter used by our company has successfully solved the problem of dust control. It uses water repellent and dedusting bag, tube type spray blowing technology, not only has the advantages of strong dust cleaning ability, high dust removal efficiency and low emission concentration, but also has the advantages of small area and large air volume per unit area. The dust remover adopts a large number of new technologies and high quality components. The degree of stress, reliability and automation can be greatly improved, which can guarantee the operation of the equipment for a long time. The discharge concentration of the dedusting equipment is lower than that stipulated in the state, and it is the first choice for the dust control of the dryer.

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