A kind of dust removal equipment

Abstract

The invention discloses dust removal equipment, comprising a shell (1), a filter element (2) and an exhaust pipeline (3), wherein the shell (1) is provided with an air inlet (13) and an exhaust opening; the filter element (2) is positioned in the shell (1); an air inlet shunt cavity is formed between the filter element (2) and the shell (1), and the air inlet (13) is formed in one side of the bottom of the shell (1) and below the filter element (2) in the longitudinal height; the air inlet end of the exhaust pipeline (3) is positioned at an exhaust current collecting cavity of the filter element (2), and the air outlet end of the exhaust pipeline (3) is led outwards from the lower part of the filter element (2) to form the exhaust opening. According to the dust removal equipment, the filter burden of the dust removal filter element can be significantly reduced, the dust removal filter effect can be enhanced; the cleaning cycle of the dust removal equipment can be effectively prolonged under the condition that the same filter requirement is met, so that the production cost and the cleaning and maintenance cost of the filter element are reduced.

Description

Technical field [0001] The invention relates to the technical field of dust removal, in particular to a dust removal equipment for filtering waste gas in an industrial production process. Background technique [0002] Dust removal equipment is a common equipment in industrial production. Many production devices need to install dust removal equipment at their air inlets and outlets to filter the incoming air, ensure the cleanliness of the equipment, and filter the exhaust gas to ensure discharge The gas does not cause pollution to the atmosphere, and the dust removal filter element of the dust removal equipment is like the filter layer of a mask. It needs to be cleaned on time to ensure its filtering effect. [0003] Although the existing dust removal equipment can meet the usage requirements to a certain extent, it still has shortcomings. For example, the single crystal silicon production equipment single crystal furnace, the dust removal equipment used has the following defects: ...

AI Technical Summary

Problems solved by technology

[0004] First of all, the dust removal equipment cannot be evenly distributed after the impurity gas enters the dust removal equipment, resulting in uneven use of the filter element, the filter element on the air inlet side is easy to get dirty, and the filter element on the air outlet side is relatively clean, thus reducing the use efficiency of the filter element. Seriously affect the filtering effect of the dust filter element, and the filtered gas is difficult to meet the standard, thus affecting the environment

[0005] Secondly, the interior of the single crystal furnace is generally in a high-temperature negative-pressure environment, and the exhaust gas discharged from it is also a high-temperature negative-pressure gas and contains a lot of impurities. If these exhaust gases directly impact on the dust filter element, it will cause partial combustion of the dust filter element, thus affecting Filter life

[0006] Thirdly, because it is impossible to pre-treat the impurities in the gas, it relies entirely on the filter element for filtration, which greatly increases the workload of the dust removal filter element. During the production process, the dust removal filter element needs to be cleaned in time, and the cleaning of the filter element is too frequent. The large amount will affect the preparation time of the single crystal furnace equipment. At the same time, it is easy to cause damage to the surface of the filter element, affecting the service life of the filter element, and the investment cost is high. Moreover, the filter element is not easy to be cleaned. Product quality, in addition, because impurities containing particles are easily inhaled into the body, employees engaged in this work are prone to occupational diseases

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