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Combined type fresh air filtering system

A filter system and combined technology, which is applied in the field of ventilation, can solve the problems of large filter resistance and small dust holding capacity, and achieve the effects of reducing filter resistance, increasing dust holding capacity, and good energy saving effect

Inactive Publication Date: 2018-10-23
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a low-resistance and high-efficiency combined fresh air filter system to solve the problems of large filtering resistance and small dust holding capacity in the traditional fresh air filter system, and to overcome the aforementioned defects of the traditional fresh air filter system

Method used

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the embodiments shown in the accompanying drawings.

[0024] like figure 1 As shown, the overall schematic diagram of a low-resistance high-efficiency combined fresh air filter system. It includes a fresh air filter box 1, an air inlet pipe 2, an air inlet guide vane 3, a plate filter 4, a bag filter 5, a pleated filter 6 and an air outlet pipe 7. The fresh air filter box 1 is hoisted in the corridor or on the partial ceiling near the outer wall. One end of the air inlet pipe 2 passes through the outer wall and communicates with the outside, and the other end is connected with the opening of the inlet section of the fresh air filter box 1 . The front end (dense end) of the air inlet guide vane 3 is closely connected with the inlet section of the fresh air filter box 1, and the two outer guide vanes at the rear end (dispersive end) are tangent to the two sides of the fresh air filter bo...

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Abstract

The invention discloses a low-resistance and high-efficiency combined type fresh air filtering system. The low-resistance and high-efficiency combined type fresh air filtering system comprises a freshair filtering box body (1), an air inlet pipe (2), an air inlet guide vane (3), a plate filter (4), a bag filter (5), a pleated filter (6) and an air outlet pipe (7) which are connected in sequence,outdoor polluted fresh air enters the filtering box body (1) through the air inlet pipe (2), is filtered by the plate filter (4), the bag filter (5) and the pleated filter (6) in a combined mode, andthen is sent into indoor space from the air outlet pipe (7). According to the low-resistance and high-efficiency combined type fresh air filtering system, through the combined filtering mode of the plate filter, the bag filter and the pleated filter, the dust content is mainly distributed in the plate filter and the bag filter with larger dust content and lower resistance, and the pleated filter ensures the high-efficiency filtering performance of the whole filtering system so as to realize the high-efficiency filtering performance with ultra-low resistance, and huge energy saving effect is brought in the operational process.

Description

technical field [0001] The invention belongs to the technical field of ventilation, and relates to a low-resistance and high-efficiency combined fresh air filter system. Background technique [0002] In recent years, there has been continuous smog across the country, the concentration of PM2.5 has remained high, and outdoor air pollution has become more and more serious. In order to ensure the air quality of the fresh air introduced from the outside and reduce the impact of outdoor haze on the indoor particle concentration, a fresh air filter device is usually used for fresh air systems that require high cleanliness. At present, the common practice of fresh air filtration is to use primary filter and high-efficiency HEPA filter. This kind of filtration technology has certain defects: first, the dust holding capacity is small, and the filter screen needs to be replaced or cleaned frequently; second, the filter resistance is large, The energy consumption of the fresh air syst...

Claims

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Application Information

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IPC IPC(8): F24F7/06F24F13/28
CPCF24F7/06F24F13/28
Inventor 高军曹昌盛唐波张承全
Owner TONGJI UNIV
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