Box type biological deodorization equipment

By introducing filter components and a circulating spray system into the box-type biological deodorization equipment, the problem of large particulate impurities clogging the filter bed is solved, achieving effective pre-filtration and efficient deodorization, and extending the service life of the equipment.

CN224180637UActive Publication Date: 2026-05-01HEBEI RUNLIN ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEBEI RUNLIN ENVIRONMENTAL PROTECTION TECH CO LTD
Filing Date
2025-05-28
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing box-type biological deodorization equipment lacks an effective graded filtration mechanism before the gas enters the biological filter bed. Large particulate impurities and fine particulate pollutants can easily enter the filter bed directly, causing blockage of the packing pores and affecting gas flow and microbial activity.

Method used

The filter assembly includes filter cotton one and filter cotton two for pre-filtration. A circulation pump and spray system keep the biofilter bed moist. Spray nozzles spray liquid to increase the gas contact area. A demister plate separates water mist. The filter assembly is fixed with bolts for easy disassembly and maintenance.

Benefits of technology

It effectively intercepts large particulate impurities, adsorbs tiny particles through its fine pores, maintains microbial activity, extends the filter bed's lifespan, improves deodorization efficiency, and meets emission standards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of biological deodorization, and discloses a box type biological deodorization device which comprises a box body and a water tank, the middle of the box body is fixedly connected with an air outlet pipe and an air inlet pipeline, a filtering assembly is installed outside the box body, a circulating assembly is installed inside the box body, and the circulating assembly is connected with the water tank. A second water storage layer and a first water storage layer are arranged in the box body. The filtering assembly comprises a shell, the shell is fixedly connected to the outer side of the box body, first filtering cotton is fixedly connected to the interior of the shell, second filtering cotton is fixedly connected to the exterior of the first filtering cotton, the circulating assembly comprises a circulating pump, and the circulating pump is fixedly connected to the top of the water tank. According to the utility model, large-particle impurities can be intercepted through the filter cotton I, and the filter cotton II adsorbs small particles or part of peculiar smell substances through finer pores and pre-filters part of solid pollutants in gas, so that the treatment load of a subsequent biological filter bed is reduced.
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Description

A box-type biological deodorization device Technical Field

[0001] This utility model relates to the field of biological deodorization technology, and in particular to a box-type biological deodorization device. Background Technology

[0002] Biological deodorization is a biological waste gas treatment technology that uses biological methods to deodorize waste gas molecules through a biofilm formed by specially cultivated microbial strains on biological packing material in a biological filter. When toxic, harmful, and malodorous waste gas containing a mixture of gas, liquid, and solid components is introduced into the deodorization equipment through a collection pipeline, the pollutants in the waste gas are purified and degraded by a biofilm formed by highly efficient microbial strains cultivated on the biological packing material, thereby achieving the purpose of deodorization.

[0003] Existing box-type biological deodorization equipment lacks an effective graded filtration mechanism before the gas enters the biofilter bed. Large particulate impurities and fine particulate pollutants can easily enter the filter bed directly, causing blockage of the packing pores and affecting gas flow and microbial activity. Therefore, a box-type biological deodorization equipment is proposed to solve the above problems. Summary of the Invention

[0004] To overcome the above shortcomings, this utility model provides a box-type biological deodorization device, which aims to improve the problem of easy clogging of the packing pores in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A box-type biological deodorization device includes a box body and a water tank. An air outlet pipe and an air inlet pipe are fixedly connected in the middle of the box body. A filter assembly is installed on the outside of the box body, and a circulation assembly is installed inside the box body. A second water storage layer and a first water storage layer are provided inside the box body.

[0007] The filter assembly includes a housing, which is fixedly connected to the outside of the box body. Filter cotton one is fixedly connected inside the housing, and filter cotton two is fixedly connected to the outside of filter cotton one.

[0008] As a further description of the above technical solution:

[0009] The circulation assembly includes a circulation pump, which is fixedly connected to the top of the water tank. A water pipe is fixedly connected to the middle of the circulation pump. Two hoses are fixedly connected to the middle of the tank body. One of the hoses is fixedly connected between the water tank and the tank body, and a valve body is provided in the middle of the other hose.

[0010] As a further description of the above technical solution:

[0011] A spray pipe is fixedly connected to the outside of the water pipe, and a spray head is fixedly connected to the middle of the spray pipe.

[0012] As a further description of the above technical solution:

[0013] A bearing plate is fixedly connected to the middle of the box, a support plate is fixedly connected to the middle of the box, a biological filter bed is placed on the top of the bearing plate, a connecting plate is fixedly connected to the outside of the biological filter bed, and packing material is provided inside the biological filter bed.

[0014] As a further description of the above technical solution:

[0015] The biofilter bed is fixedly connected to the outside of a nozzle, the connecting plate is fixedly connected to the middle of a shell, the shell is slidably connected to a locking rod, the support plate has a locking groove in the middle of the support plate, the locking groove engages with the locking rod, and the locking rod is fitted with a spring on the outside.

[0016] As a further description of the above technical solution:

[0017] A defogging plate is fixedly connected inside the housing, and the defogging plate is fixedly connected to the outside of the support plate;

[0018] As a further description of the above technical solution:

[0019] A bolt is provided in the middle of the housing, and the bolt is threadedly connected to the middle of the box body;

[0020] As a further description of the above technical solution:

[0021] The air intake pipe is fixedly connected to the middle of the housing.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, filter cotton one can intercept larger particulate impurities, while filter cotton two adsorbs tiny particles or some odor substances through finer pores, pre-filtering some solid pollutants in the gas and reducing the processing load of the subsequent biofilter bed.

[0024] 2. In this utility model, the circulating pump delivers the liquid in the water tank to the spray nozzle through the water pipe and spray pipe. The spray can moisten the biological filter bed and maintain the activity of microorganisms. The spray liquid can dissolve some water-soluble odorous substances and form a synergistic effect with biodegradation, further improving the deodorization efficiency. Attached Figure Description

[0025] Figure 1 is a three-dimensional schematic diagram of a box-type biological deodorization device proposed in this utility model;

[0026] Figure 2 is a schematic diagram of the spray pipe structure of a box-type biological deodorization device proposed in this utility model.

[0027] Figure 3 is a schematic diagram of the structure of the support plate of a box-type biological deodorization device proposed in this utility model;

[0028] Figure 4 is a schematic diagram of the structure of the filter cotton of a box-type biological deodorization device proposed in this utility model.

[0029] Figure 5 is an enlarged view of point A in Figure 3;

[0030] Figure 6 is a schematic diagram of the clamping rod of a box-type biological deodorization device proposed in this utility model.

[0031] Legend:

[0032] 1. Housing; 2. Air outlet pipe; 3. Water tank; 4. Circulation pump; 5. Water pipe; 6. Air inlet pipe; 7. Hose; 8. Support plate; 9. Valve body; 10. Spray pipe; 11. Demisting plate; 12. Shell; 13. Bolt; 14. Nozzle; 15. Support plate; 16. Biofilter bed; 17. Water storage layer one; 18. Packing material; 19. Water storage layer two; 20. Filter cotton one; 21. Filter cotton two; 22. Slot; 23. Outer shell; 24. Connecting plate; 25. Spring; 26. Locking rod. Detailed Implementation

[0033] The technical solutions of the present 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 the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Referring to Figures 1, 3, 4, 5, and 6, this utility model provides an embodiment of a box-type biological deodorization device, comprising a box body 1 and a water tank 3. An air outlet pipe 2 and an air inlet pipe 6 are fixedly connected to the middle of the box body 1. A filter assembly is installed on the outside of the box body 1, and a circulation assembly is installed inside the box body 1. The box body 1 has a second water storage layer 19 and a first water storage layer 17. The filter assembly includes a shell 12, which is fixedly connected to the outside of the box body 1. Filter cotton 20 is fixedly connected inside the shell 12, and filter cotton 21 is fixedly connected to the outside of filter cotton 20. Filter cotton 20 and filter cotton 21 are used to filter large particulate pollutants such as dust, hair, and fibers in the exhaust gas, preventing these impurities from entering the subsequent biological filter bed 16, which would lead to uneven gas distribution, reduced microbial contact area, and consequently reduced deodorization efficiency. Pretreatment of the filter cotton can significantly extend the service life of the biological filter bed 16. A support plate 15 is fixedly connected to the middle of the housing 1, and a support plate 8 is also fixedly connected to the middle of the housing 1. A biological filter bed 16 is placed on top of the support plate 15. A connecting plate 24 is fixedly connected to the outside of the biological filter bed 16, and packing material 18 is installed inside the biological filter bed 16. A nozzle 14 is fixedly connected to the outside of the biological filter bed 16, and the nozzle 14 is connected to the circulating pump 4 and the water tank 3 through a water pipe 5. The circulating pump 4 draws liquid from the water tank 3 and delivers it through the water pipe 5 to the spray pipe 10 and nozzle 14, ultimately spraying it out in the form of a mist. The nozzle 14 atomizes the liquid into fine particles, increasing the contact area with the odor inside the housing 1, allowing the deodorizing components in the liquid to more efficiently adsorb and decompose odor molecules, thus improving the deodorizing effect. The connecting plate 24 is fixedly connected to the outer shell 23, and the outer shell 23 is slidably connected to the middle of the locking rod 26. The support plate 8 has a locking groove 22 in the middle, which engages with the locking rod 26. A spring 25 is sleeved on the outside of the locking rod 26. By pulling the locking rod 26 to compress the spring 25, the locking rod 26 is disengaged from the locking groove 22, allowing the biological filter bed 16 to be removed from the housing 1 without the need for tools, saving maintenance time. A demisting plate 11 is fixedly connected inside the housing 1 and is fixedly connected to the outside of the support plate 8. A bolt 13 is located in the middle of the housing 12. The bolt 13 is threaded to the middle of the box 1, and it threads the housing 12 of the filter assembly to the outside of the box 1. This ensures that the filter assembly remains fixed in position under airflow impact, preventing air leakage due to vibration or loosening, which would affect the pretreatment effect. By removing the bolt 13, the housing 12 can be quickly removed for easy replacement or cleaning of the internal filter cotton 20 and filter cotton 21, extending the service life of the equipment. The air inlet pipe 6 is fixedly connected to the middle of the housing 12.

[0035] Referring to Figures 1-3, the circulation assembly includes a circulation pump 4, which is fixedly connected to the top of the water tank 3. A water pipe 5 is fixedly connected to the middle of the circulation pump 4. Two flexible hoses 7 are fixedly connected to the middle of the tank body 1. One flexible hose 7 is fixedly connected between the water tank 3 and the tank body 1, and a valve body 9 is installed in the middle of the other flexible hose 7. A spray pipe 10 is fixedly connected to the outside of the water pipe 5, and a nozzle 14 is fixedly connected to the middle of the spray pipe 10. The circulation pump 4 sprays water from the water tank 3 evenly onto the packing material 18 of the biofilter bed 16 through the water pipe 5, the spray pipe 10, and the nozzle 14, keeping the packing material 18 moist and providing a suitable living environment for microorganisms. The moist packing material 18 helps microorganisms adsorb pollutants in odors and decompose them into harmless substances through biodegradation.

[0036] Working principle: Exhaust gas enters the outer casing 12 through the inlet pipe 6, and first passes through a double filtration system of filter cotton 20 and filter cotton 21 to remove large particulate impurities such as dust and particulate matter from the exhaust gas, preventing impurities from clogging the subsequent biological filter bed 16 and affecting the activity of microorganisms. The casing 12 is fixed to the outside of the box body 1 by bolts 13, which facilitates the disassembly and replacement of the filter cotton and ensures the continuity of the pretreatment effect.

[0037] The pretreated exhaust gas enters the chamber 1 through the intake pipe 6. The packing material 18 in the biofilter bed 16 has a large number of deodorizing microorganisms on its surface. The malodorous substances in the exhaust gas are adsorbed and decomposed into harmless water, carbon dioxide and minerals by the microorganisms. The circulation pump 4 draws liquid from the water tank 3 and delivers it to the spray pipe 10 and nozzle 14 through the water pipe 5 to spray the biofilter bed 16 and the interior of the chamber 1: keeping the packing material 18 moist and providing a suitable living environment for the microorganisms; the nutrients in the spray liquid nourish the microorganisms, and some water-soluble malodorous substances can be initially absorbed by the spray liquid, which helps to deodorize.

[0038] The gas, after being treated by the biofilter 16, carries a small amount of water mist. When it passes through the demister 11, the water mist is intercepted and separated, preventing water vapor from entering subsequent pipes or the atmosphere. The dried, clean gas is discharged through the outlet pipe 2, meeting the emission standards after deodorization.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A box-type biological deodorization device, comprising a box body (1) and a water tank (3), characterized in that: The middle part of the box (1) is fixedly connected to an air outlet pipe (2) and an air inlet pipe (6). A filter assembly is installed on the outside of the box (1). A circulation assembly is installed inside the box (1). A second water storage layer (19) and a first water storage layer (17) are opened inside the box (1). The filter assembly includes a shell (12). The shell (12) is fixedly connected to the outside of the box (1). A first filter cotton (20) is fixedly connected inside the shell (12). A second filter cotton (21) is fixedly connected outside the first filter cotton (20).

2. The box-type biological deodorization device according to claim 1, characterized in that: The circulation assembly includes a circulation pump (4), which is fixedly connected to the top of the water tank (3). A water pipe (5) is fixedly connected to the middle of the circulation pump (4). Two hoses (7) are fixedly connected to the middle of the tank (1). One of the hoses (7) is fixedly connected between the water tank (3) and the tank (1), and a valve body (9) is provided in the middle of the other hose (7).

3. The box-type biological deodorization device according to claim 2, characterized in that: A spray pipe (10) is fixedly connected to the outside of the water pipe (5), and a nozzle (14) is fixedly connected to the middle of the spray pipe (10).

4. The box-type biological deodorization device according to claim 1, characterized in that: A bearing plate (15) is fixedly connected to the middle of the box (1), a support plate (8) is fixedly connected to the middle of the box (1), a biological filter bed (16) is placed on the top of the bearing plate (15), a connecting plate (24) is fixedly connected to the outside of the biological filter bed (16), and a packing material (18) is provided inside the biological filter bed (16).

5. A box-type biological deodorization device according to claim 4, characterized in that: The biofilter (16) is fixedly connected to a nozzle (14), the middle of the connecting plate (24) is fixedly connected to a shell (23), the middle of the shell (23) is slidably connected to a locking rod (26), the middle of the support plate (8) is provided with a locking groove (22), the locking groove (22) is engaged with the locking rod (26), and the locking rod (26) is sleeved with a spring (25).

6. A box-type biological deodorization device according to claim 4, characterized in that: A defogging plate (11) is fixedly connected inside the housing (1), and the defogging plate (11) is fixedly connected to the outside of the support plate (8).

7. The box-type biological deodorization device according to claim 1, characterized in that: A bolt (13) is provided in the middle of the housing (12), and the bolt (13) is threadedly connected to the middle of the box (1).

8. A box-type biological deodorization device according to claim 1, characterized in that: The air intake pipe (6) is fixedly connected to the middle part of the housing (12).