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CN-224207764-U - A biological filter material layer gas distribution system for exhaust gas treatment

CN224207764UCN 224207764 UCN224207764 UCN 224207764UCN-224207764-U

Abstract

The utility model discloses a biological filter material layer gas distribution system for waste gas treatment, and relates to the technical field of biological filters for waste gas treatment. Including the biological filter body, the inside biological filter material that is provided with of biological filter body, evenly distributed has a plurality of gas distributor in the biological filter material, and gas distributor sets up to vertical barrel structure, and a plurality of first through-holes have evenly been seted up to gas distributor lateral part, and gas distributor bottom is provided with the trompil bottom plate, and gas distributor top is provided with the top shrouding. According to the utility model, through the arrangement of the gas distributor in the biological filter material, the waste gas flows in the first connecting pipe, the upper chamber, the upper filter material layer, the middle filter material layer, the lower filter material layer, the gas distributor, the lower chamber and the second connecting pipe, so that the wind resistance of the filter material layer is controlled, the treatment gas quantity of the biological filter body is ensured, the gas is distributed more uniformly in the filter material layer, the bias flow problem of the gas in the filter material layer is relieved, and the waste gas treatment effect is ensured.

Inventors

  • LV XIN
  • REN LI
  • HUANG CHUNFENG

Assignees

  • 南通润泽环境工程技术有限公司

Dates

Publication Date
20260508
Application Date
20250528

Claims (6)

  1. 1. A biological filter material layer gas distribution system for waste gas treatment comprises a biological filter body (1) and is characterized in that a biological filter material (2) is arranged in the biological filter body (1), a plurality of gas distributors (3) are uniformly distributed in the biological filter material (2), the gas distributors (3) are arranged into a vertical cylinder structure, a plurality of first through holes (301) are uniformly formed in the side parts of the gas distributors (3), an open pore bottom plate (302) is arranged at the bottom of the gas distributors (3), and a top sealing plate (303) is arranged at the top end of the gas distributors (3).
  2. 2. The biological filter material layer gas distribution system for waste gas treatment according to claim 1, wherein a plurality of second through holes are uniformly formed in the perforated bottom plate (302), the diameters of the first through holes (301) and the second through holes are smaller than the diameter of the biological filter material (2), and the first through holes (301) and the second through holes play a role in guiding gas circulation.
  3. 3. The biological filter material layer gas distribution system for waste gas treatment according to claim 1, wherein the biological filter body (1) is divided into an upper chamber and a lower chamber by a biological filter material (2).
  4. 4. A biological filter material layer gas distribution system for waste gas treatment according to claim 1 is characterized in that a filter material supporting plate (201) is arranged at the bottom of the biological filter material (2), the filter material supporting plate (201) is fixed on the inner wall of the biological filter body (1), and the gas distributor (3) is arranged on the filter material supporting plate (201).
  5. 5. A gas distribution system for a filter material layer of a biological filter for waste gas treatment according to claim 3, wherein a first connecting pipe is communicated with one side of the top of the biological filter body (1), the first connecting pipe is communicated with an upper chamber, a second connecting pipe is communicated with one side of the lower part of the biological filter body (1), and the second connecting pipe is communicated with a lower chamber.
  6. 6. The biological filter material layer gas distribution system for waste gas treatment according to claim 1, wherein the biological filter material (2) is provided with a plurality of layers, namely a lower filter material layer, a middle filter material layer and an upper filter material layer, which are sequentially arranged from bottom to top and are used for carrying out multistage treatment on waste gas.

Description

A biological filter material layer gas distribution system for exhaust gas treatment Technical Field The utility model relates to the technical field of biological filters for waste gas treatment, in particular to a biological filter material layer gas distribution system for waste gas treatment. Background Waste gas treatment means that a series of technical means and measures are adopted to reduce or eliminate harmful gases discharged in the activities of industrial production, transportation, building construction and the like so as to reduce the pollution to the environment, improve the air quality and protect the health of human beings. The biological process is widely applied in the field of waste gas treatment, and the representative equipment comprises a biological trickling filter, a biological filter tank and a biological scrubber, so that the defects of the technology in long-term operation and use are gradually reflected along with the comprehensive popularization of the technology, wherein the problems that the resistance of the later-stage equipment is increased due to the gradual rising of the pressure of a filter material layer and the effective utilization rate of the filter material layer is low due to the uneven gas distribution of the filter material layer are more remarkable. Disclosure of utility model The utility model aims to provide a biological filter material layer gas distribution system for waste gas treatment, which is used for solving the problems in the background technology. The biological filter material layer gas distribution system for waste gas treatment comprises a biological filter body, wherein biological filter materials are arranged in the biological filter body, a plurality of gas distributors are uniformly distributed in the biological filter materials and are arranged in a vertical cylinder structure, a plurality of first through holes are uniformly formed in the side parts of the gas distributors, an open pore bottom plate is arranged at the bottom of the gas distributors, and a top sealing plate is arranged at the top end of the gas distributors. Preferably, a plurality of second through holes are uniformly formed in the perforated bottom plate, the diameters of the first through holes and the second through holes are smaller than the diameter of the biological filter material, and the first through holes and the second through holes play a role in guiding gas circulation. Preferably, the biological filter body is divided into an upper chamber and a lower chamber by a biological filter material. Preferably, a filter material supporting plate is arranged at the bottom of the biological filter material, the filter material supporting plate is fixed on the inner wall of the biological filter body, and the gas distributor is arranged on the filter material supporting plate. Preferably, a first connecting pipe is communicated with one side of the top of the biological filter body, the first connecting pipe is communicated with the upper cavity, a second connecting pipe is communicated with one side of the lower part of the biological filter body, and the second connecting pipe is communicated with the lower cavity. Preferably, the biological filter material is provided with a plurality of layers, namely a lower filter material layer, a middle filter material layer and an upper filter material layer from bottom to top in sequence, and is used for carrying out multistage treatment on the waste gas. Compared with the prior art, the utility model has the beneficial effects that: This a biological filter material layer gas distribution system for exhaust gas treatment, through the setting of gas distributor in biological filter material, the waste gas circulation is in first connecting pipe, upper chamber, upper portion filter material layer, middle part filter material layer, lower part filter material layer, gas distributor, lower cavity and second connecting pipe for the air resistance of filter material layer has been controlled, the processing tolerance of biological filter body has been guaranteed, makes the distribution of gas at the filter material layer more even simultaneously, has alleviateed the problem of gas bias flow at the filter material layer, guarantees the exhaust gas treatment effect. Drawings FIG. 1 is a first cross-sectional view of the present utility model; FIG. 2 is a second cross-sectional view of the present utility model; FIG. 3 is an expanded view of the gas distributor of the present utility model; FIG. 4 is a front view of a gas distributor of the present utility model; FIG. 5 is a schematic illustration of the flow pattern of a gas passing through a biological filter from bottom to top without a gas distributor according to the present utility model; FIG. 6 is a schematic illustration of the flow pattern of a gas passing through a biological filter from top to bottom without a gas distributor according to the present utility model; FIG. 7