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Introduction to the working principle of cyclone dust removal equipment : cyclone dust removal equipment is composed of air intake pipe, exhaust pipe, cylinder, cone and ash hopper. Cyclone dust removal equipment has a simple structure, easy to manufacture, install, maintain and manage, and low equipment investment and operating costs. It is widely used to separate solid and liquid particles from a gas stream or to separate solid particles from a liquid.
Introduction to the working principle of cyclone dust removal equipment: Under normal operating conditions, the centrifugal force acting on the particles is 5-2500 times that of gravity, so the efficiency of the cyclone dust removal equipment is significantly higher than that of the gravity sedimentation chamber. Based on this principle, a cyclone dust removal efficiency of more than 90% has been successfully developed. Device. Among mechanical dust removal equipment, cyclone dust removal equipment is the most efficient one. It is suitable for the removal of non-sticky and non-fibrous dust. Most of them are used to remove particles larger than 5 μm. Parallel multi-pipe cyclone dust removal equipment for 3 μm The dust removal efficiency of the granules also reaches 80-85%. The cyclone dust collector made of high temperature, wear-resistant and corrosion-resistant special metal or ceramic materials can be operated at temperatures up to 1000 ° C and pressures up to 500 × 105 pa From a technical and economic perspective, the pressure loss control range of cyclone dust removal equipment is generally 500 ~ 2000 pa. Therefore, it belongs to medium-efficiency dust removal equipment, which can be used for high temperature flue gas purification. It is widely used as dust removal equipment, mainly used for boiler flue gas dust removal, multi-stage dust removal and pre-dust removal. Its main disadvantage is the small dust particles (<5μm). Removal efficiency is low.
Cyclone dust removal equipment working principle is introduced : the use of centrifugal force generated by rotating dust-containing gas to separate dust from the air stream is a dry gas-solid separation device. Cyclone dust removal equipment is one of the most widely used dust removal equipment in the industry. It is mainly used for small-scale combustion. Coal boiler smoke and dust removal, multi-stage dust removal and pre-dust removal equipment. Dust removal principle is similar to reverse inertial force dust removal device However, the dusty airflow of the inertial force dust removal device is only affected by the shape of the device or the baffle. Simply change the direction of the streamline and rotate only half a turn or one turn. The airflow in the cyclone dust removal device rotates more than one turn, and the rotation flow is also large. Therefore, the particles in the rotating air flow are subjected to too much centrifugal force and the specific gravity of the tower. For cyclone dust removal equipment with small diameter and large resistance, the specific gravity of centrifugal force is almost twice. For large diameter and low resistance cyclone dust removal equipment, the centrifugal force Specific gravity is more than 5 times.
Due to diffusion and static electricity, a layer of dust has accumulated on the surface of the filter bag. This layer of dust is called the primary layer. In the subsequent movement, the primary layer becomes the main filter layer of the filter material. According to the role of the base layer, the larger mesh The filter material can also obtain higher filtration efficiency. With the accumulation of dust on the surface of the filter material, the efficiency and resistance of the cyclone dust removal equipment also increase accordingly. When the pressure difference between the two sides of the filter material is large, some fine dust particles attached to the filter material will be squeezed over, reducing the cyclone dust removal. Equipment efficiency ... In addition, the resistance of the cyclone dust removal equipment is too high, which will greatly reduce the air volume of the dust removal system. Therefore, when the resistance of the cyclone dust removal equipment reaches a certain value, the dust should be removed in time. Do not damage the initial layer when removing dust, so as not to reduce efficiency.
Related recommendation: Cyclone dust collector model
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