Biological soil filter

By using a concrete partition structure in the biological soil filter tank to install the equipment inside, combined with a support plate to support the filter media and soil layer, the problems of large footprint and uneven gas distribution caused by exposed equipment are solved, thus improving the filtration effect and equipment lifespan.

CN223901575UActive Publication Date: 2026-02-13NANTONG ZHENDING ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202520448859.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-13
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

In existing biological soil filters, equipment such as activated carbon filters and blowers are exposed, occupying a large area and resulting in uneven distribution of exhaust gas, which leads to shortened equipment life and poor filtration effect.

Method used

The pool is divided into a filtration chamber and a placement chamber by a concrete partition. The blower, activated carbon filter and water pump are installed in the placement chamber. The perforated plate supports the biological filter media and soil layer to ensure that the exhaust gas is evenly distributed and filtered.

Benefits of technology

It effectively prevents equipment damage due to severe weather, improves the filtration effect of exhaust gas and the life of equipment, and achieves uniform distribution and full utilization of exhaust gas.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a biological soil filter which is characterized in that the inside of a concrete entity is divided into a filter cavity and a placement cavity through a concrete partition, so that a fan, an activated carbon filter and a water pump are all mounted in the placement cavity, and the upper part of the placement cavity is shielded by a cover plate, so that the fan, the activated carbon filter and the water pump are prevented from being directly exposed outside; a first groove is formed in the inner wall of the filtering cavity, the outer edge of a supporting hole plate is supported in the first groove, supporting of the biological filtering material and the soil layer is achieved through the supporting hole plate, a space is formed in the bottom of the filtering cavity, and therefore the biological filtering material and the soil layer can be separated from each other; the main exhaust pipe is arranged at the bottom end of the interior of the filtering cavity, the multiple branch exhaust pipes are arranged on one side of the main exhaust pipe in a bypass mode, and the main exhaust pipe and the branch exhaust pipes are all supported in the filtering cavity through the first supports, so that exhausted waste gas evenly penetrates through the biological filter material and the soil layer, and the filtering effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to biological soil filter technology field, concretely is a biological soil filter. BACKGROUND

[0002] Soil deodorization method is a kind of biological deodorization method, with soil layer as the carrier of biological filter, when waste gas with malodorous substance passes through soil layer in biological filter bed, utilize the adsorption of soil to malodorous substance, and the biochemical reaction of microorganism in soil makes malodorous substance to decompose and destroy and deodorizes.

[0003] Biological soil filter is generally filtered through activated carbon filter first and then enters soil, and the activated carbon filter and fan currently used are generally installed above ground, which directly contacts with the outside, on the one hand increases the floor area, on the other hand directly contacts with rainwater, which may affect the service life, and the position of some waste gas inlet pipeline entering the pool body is single, which leads to uneven gas distribution, so that the biological filter material and soil layer are not fully utilized, therefore, an improved technology is needed to solve the problem existing in the prior art. UTILITARIAN CONTENT

[0004] The utility model aims at providing a kind of biological soil filter, concrete entity is divided into filter cavity and placement cavity by concrete partition inside, so that fan, activated carbon filter and water pump can be installed in placement cavity, the upper part of placement cavity is shielded by cover plate, so as to avoid fan, activated carbon filter and water pump directly exposed to the outside, avoid the service life of fan, activated carbon filter and water pump due to bad weather, the inner wall of filter cavity is provided with first recess, the outer edge of support hole plate is supported in first recess, the support of biological filter material and soil layer is realized by support hole plate, so that the bottom of filter cavity forms a space, so that the exhaust gas is evenly passed through biological filter material and soil layer, so as to improve filtering effect, to solve the problem proposed in the above background.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a biological soil filter tank, including concrete pool body, activated carbon filter, fan, water pump, biological filter material, soil layer, green plant, exhaust main pipe, exhaust branch pipe, spray main pipe and spray branch pipe, the inside of concrete pool body is provided with concrete partition, the inside of concrete pool body is separated into filter cavity and placing cavity through concrete partition, the inner wall of filter cavity is provided with first recess groove, the upper portion of placing cavity of concrete pool body is provided with second recess groove, a plurality of cover plates are arranged at the second recess groove of concrete pool body, the bottom end of filter cavity is provided with exhaust main pipe, a plurality of exhaust branch pipes are bypassed and arranged on one side of exhaust main pipe, exhaust main pipe and exhaust branch pipe are all supported in filter cavity through first support, support hole plate is further arranged in filter cavity, the outer edge of support hole plate is supported at first recess groove, biological filter material is filled in filter cavity and is supported on the upper surface of support hole plate, soil layer is filled in filter cavity and is supported on biological filter material, soil layer is planted with green plant, fan, activated carbon filter and water pump are arranged in placing cavity, the air outlet of fan is connected with exhaust main pipe through pipeline, the air inlet of fan is connected with the air outlet of activated carbon filter through pipeline, the air inlet of activated carbon filter is connected with waste gas pipeline, the water inlet end of water pump is connected with water inlet pipe, the water outlet end of water pump is connected with one end of water outlet pipe, the other end of water outlet pipe is connected with spray main pipe, waste gas pipeline, water inlet pipe and water outlet pipe are respectively arranged in corresponding cover plate, a plurality of spray branch pipes are bypassed and arranged on one side of spray main pipe, spray main pipe and spray branch pipe are all supported on soil layer through second support, the upper surface of spray main pipe and spray branch pipe is densely covered with nozzle.

[0006] Preferably, the utility model provides a kind of biological soil filter tank, wherein, the exhaust main pipe and exhaust branch pipe are opened with a plurality of exhaust holes towards oblique downward direction on both sides.

[0007] Preferably, the utility model provides a kind of biological soil filter tank, wherein, the support hole plate is densely covered with through hole, the lower surface of support hole plate is further provided with a plurality of support columns, and the bottom of support column is supported on the bottom end in filter cavity.

[0008] Preferably, the utility model provides a kind of biological soil filter tank, wherein, the concrete pool body is provided with drain on one side of lower portion of filter cavity and placing cavity.

[0009] Compared with prior art, the utility model has the beneficial effects that:

[0010] (1) The interior of the concrete structure is divided into a filter chamber and a placement chamber by a concrete partition, so that the fan, activated carbon filter and water pump can be installed in the placement chamber. The upper part of the placement chamber is covered by a cover plate to prevent the fan, activated carbon filter and water pump from being directly exposed to the outside, and to avoid the service life of the fan, activated carbon filter and water pump due to bad weather.

[0011] (2) A first groove is provided on the inner wall of the filter chamber, and the outer edge of the support plate is supported on the first groove. The support plate supports the biological filter material and soil layer, so that a space is formed at the bottom of the filter chamber, so that the exhaust gas passes through the biological filter material and soil layer evenly, thereby improving the filtration effect. Attached Figure Description

[0012] Figure 1 This is a side view cross-sectional structural diagram of the present invention;

[0013] Figure 2 For the appendix Figure 1 Enlarged schematic diagram of point A in the middle;

[0014] Figure 3 This is a schematic diagram of the structure of the present invention located at the lower part of the concrete pool.

[0015] Figure 4 This is a schematic diagram of the structure of the present invention located on the upper part of the concrete pool.

[0016] In the diagram: 1. Concrete tank; 2. Activated carbon filter; 3. Blower; 4. Water pump; 5. Biological filter media; 6. Soil layer; 7. Green plants; 8. Main exhaust pipe; 9. Main exhaust pipe; 10. Main spray pipe; 11. Sprayer branch pipe; 12. Concrete partition; 13. Filter chamber; 14. Placement chamber; 15. First groove; 16. Second groove; 17. Cover plate; 18. First bracket; 19. Support plate; 20. Waste gas pipeline; 21. Inlet pipe; 22. Outlet pipe; 23. Second bracket; 24. Nozzle; 25. Exhaust hole; 26. Support column; 27. Drainage outlet. Detailed Implementation

[0017] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0018] It should be noted that in the description of the utility model, it should be noted that the terms "inner", "outer", "upper", "lower", "two sides", "one end", "the other end", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0019] Please refer to Figures 1-4The utility model provides a technical scheme: a biological soil filter tank, including concrete pool body 1, activated carbon filter 2, fan 3, water pump 4, biological filter material 5, soil layer 6, green plant 7, exhaust main pipe 8, exhaust branch pipe 9, spray main pipe 10 and spray branch pipe 11, the inside of concrete pool body 1 is provided with concrete partition 12, the inside of concrete pool body 1 is separated into filter cavity 13 and placing cavity 14 by concrete partition 12, the one side of concrete pool body 1 located filter cavity 13 and placing cavity 14 lower part is provided with drain 27, to realize the discharge of spray water or rainwater, the inner wall of concrete pool body 1 located filter cavity 13 is provided with first recess 15, the upper portion of concrete pool body 1 located placing cavity 14 is provided with second recess 16, concrete pool body 1 is provided with a plurality of cover plates 17 at second recess 16, the bottom end in filter cavity 13 is provided with exhaust main pipe 8, the one side bypass of exhaust main pipe 8 is provided with a plurality of exhaust branch pipes 9, and exhaust main pipe 8 and exhaust branch pipe 9 are all supported in filter cavity 13 through first support 18, and the two sides of exhaust main pipe 8 and exhaust branch pipe 9 are provided with a plurality of exhaust holes 25 towards oblique downward direction, and the exhaust hole 25 is used to realize that waste gas is discharged from exhaust main pipe 8 and exhaust branch pipe 9 into filter cavity 13, and filter cavity 13 is also provided with support hole plate 19, and the outer edge of support hole plate 19 is supported at first recess 15, and support hole plate 19 is densely provided with through small holes, and the lower surface of support hole plate 19 is also provided with a plurality of support columns 26, and the bottom of support column 26 is supported at the bottom end in filter cavity 13, to guarantee the support of support hole plate 19, avoid collapse, and the small hole can realize that waste gas passes through and enters biological filter material 5 and soil layer 6, and the small hole can also realize that spray water flows into the bottom of filter cavity 13 and is discharged from the drain, biological filter material 5 is filled in filter cavity 13 and is supported on the upper surface of support hole plate 19, soil layer 6 is filled in filter cavity 13 and is supported on biological filter material 5, and soil layer 6 is planted with green plant 7, placing cavity 14 is provided with fan 3, activated carbon filter 2 and water pump 4, the air outlet of fan 3 is connected with exhaust main pipe 8 through pipeline, the air inlet of fan 3 is connected with the air outlet of activated carbon filter 2 through pipeline, the air inlet of activated carbon filter 2 is connected with waste gas pipeline 20, the water inlet end of water pump 4 is connected with water inlet pipe 21, the water outlet end of water pump 4 is connected with one end of water outlet pipe 22, the other end of water outlet pipe 22 is connected with spray main pipe 10, waste gas pipeline 20, water inlet pipe 21 and water outlet pipe 22 are respectively threaded in corresponding cover plate 17, and the one side bypass of spray main pipe 10 is provided with a plurality of spray branch pipes 11, and spray main pipe 10 and spray branch pipe 11 are all supported on soil layer 6 through second support 23, and the upper surfaces of spray main pipe 10 and spray branch pipe 11 are densely provided with spray nozzle 24.

[0020] Construction method and use principle: first, the exhaust main pipe 8 and exhaust branch pipe 9 are connected with each other, and the combination of the exhaust main pipe 8 and exhaust branch pipe 9 is placed in the filter cavity 13 of the concrete pool body 1, then the support hole plate 19 is placed in the filter cavity 13 and supported on the exhaust main pipe 8 and exhaust branch pipe 9 through the support column 26, then the biological filter material 5 is filled into the filter cavity 13, the soil layer 6 is laid on the biological filter material 5, and the green plants 7 are planted on the upper layer of the soil layer 6. The fan 3, the activated carbon filter 2 and the water pump 4 are installed in the placing cavity 14, the air outlet of the fan 3 is connected with the exhaust main pipe 8 through a pipeline, the air inlet of the fan 3 is connected with the air outlet of the activated carbon filter 2 through a pipeline, the activated carbon filter 2 is filled with activated carbon, the air inlet of the activated carbon filter 2 is connected with the exhaust pipe 20, the water inlet end of the water pump 4 is connected with the water inlet pipe 21, the water outlet end of the water pump 4 is connected with the water outlet pipe 22, the cover plate 17 is covered on the second groove 16 of the placing groove, and the exhaust pipe, the water inlet pipe 21 and the water outlet pipe 22 pass through the corresponding cover plate 17. Finally, one end of the spray main pipe 10 with the spray branch pipe 11 is connected with the water outlet pipe 22, the spray main pipe 10 and the spray branch pipe 11 are all supported on the soil through the support, and the construction is completed. When working, the exhaust gas is first adsorbed by the activated carbon filter 2, then passes through the fan 3 and enters the exhaust main pipe 8 and exhaust branch pipe 9, and is discharged into the bottom of the filter cavity 13 from the exhaust hole 25, then the exhaust gas floats and passes through the biological filter material 5, the soil and the green plants 7 in sequence, so that the filtration of the exhaust gas is realized. The utility model discloses a reasonable structure, the concrete entity is divided into filter cavity 13 and placing cavity 14 through the concrete partition 12, so that the fan 3, the activated carbon filter 2 and the water pump 4 can be installed in the placing cavity 14, the upper part of the placing cavity 14 is shielded through the cover plate 17, so that the fan 3, the activated carbon filter 2 and the water pump 4 are not directly exposed to the outside, the service life of the fan 3, the activated carbon filter 2 and the water pump 4 is avoided from being affected due to bad weather, the inner wall of the filter cavity 13 is provided with the first groove 15, the outer edge of the support hole plate 19 is supported on the first groove 15, the support of the biological filter material 5 and the soil layer 6 is realized through the support hole plate 19, a space is formed at the bottom of the filter cavity 13, so that the discharged exhaust gas uniformly passes through the biological filter material 5 and the soil layer 6, and the filtration effect is improved.

[0021] The parts not described in the utility model are the known technology of the person skilled in the art.

[0022] Finally, it should be pointed out that: the above specific embodiments are only used to illustrate the technical scheme of the utility model and not to limit, although the utility model is described in detail with reference to the embodiments, those skilled in the art should understand that the technical scheme of the utility model can be modified and replaced equivalently without departing from the spirit and scope of the technical scheme of the utility model, which should be covered in the claim range of the utility model.

Claims

1. A biological soil filter, characterized in that: The system includes a concrete tank (1), an activated carbon filter (2), a blower (3), a water pump (4), biological filter media (5), a soil layer (6), green plants (7), an exhaust main pipe (8), an exhaust branch pipe (9), a spray main pipe (10), and a spray branch pipe (11). The concrete tank (1) is internally equipped with a concrete partition (12), which divides the interior of the concrete tank (1) into a filtration chamber (13) and a placement chamber (14). A first groove (15) is formed on the inner wall of the filtration chamber (13) of the concrete tank (1). The concrete tank (1) is located in the placement chamber... A second groove (16) is provided at the upper part of the cavity (14). Several cover plates (17) are provided on the concrete pool body (1) at the second groove (16). An exhaust main pipe (8) is provided at the bottom of the filter cavity (13). Several exhaust branch pipes (9) are provided on one side of the exhaust main pipe (8). The exhaust main pipe (8) and the exhaust branch pipes (9) are both supported in the filter cavity (13) by the first bracket (18). A support perforated plate (19) is also provided in the filter cavity (13). The outer edge of the support perforated plate (19) is supported at the first groove (15). The biological filter material (5) is filled in. The filter chamber (13) is filled with soil (6) and supported on the upper surface of the support perforated plate (19). The soil layer (6) is filled with soil (6) and supported on the biological filter material (5). Green plants (7) are planted in the soil layer (6). The placement chamber (14) is equipped with a fan (3), an activated carbon filter (2), and a water pump (4). The outlet of the fan (3) is connected to the exhaust pipe (8) through a pipe. The inlet of the fan (3) is connected to the outlet of the activated carbon filter (2) through a pipe. The inlet of the activated carbon filter (2) is connected to the exhaust gas pipeline (20). The water pump (4) is... The inlet end is connected to the inlet pipe (21), the outlet end of the water pump (4) is connected to one end of the outlet pipe (22), and the other end of the outlet pipe (22) is connected to the main spray pipe (10). The exhaust pipe (20), the inlet pipe (21) and the outlet pipe (22) are respectively installed on the corresponding cover plate (17). Several spray branch pipes (11) are bypassed on one side of the main spray pipe (10). The main spray pipe (10) and the spray branch pipes (11) are both supported on the soil layer (6) by the second bracket (23). The upper surface of the main spray pipe (10) and the spray branch pipes (11) are densely covered with nozzles (24).

2. The biological soil filter according to claim 1, characterized in that: The exhaust main pipe (8) and exhaust branch pipe (9) have several exhaust holes (25) on both sides facing downwards.

3. A biological soil filter according to claim 1, characterized in that: The support plate (19) is densely covered with through holes, and a number of support columns (26) are also provided on the lower surface of the support plate (19). The bottom of the support columns (26) is supported at the bottom of the filter chamber (13).

4. A biological soil filter according to claim 1, characterized in that: The concrete pool (1) is provided with a drain outlet (27) on one side of the lower part of the filter chamber (13) and the placement chamber (14).