Multi-level antibacterial waste gas treatment equipment for deodorizing by utilizing biological catalysis

Abstract

The invention relates to the technical field of waste gas treatment devices, in particular to multi-level antibacterial waste gas treatment equipment for deodorizing by utilizing biological catalysis, which comprises a shell, and a catalysis unit, a liquid feeding pipe, a braking unit and a filtering unit which are arranged in the shell, according to the device, through the synergistic effect of the catalysis unit, the filtering unit and the liquid feeding pipe, waste gas is subjected to multi-stage purification treatment, and it is ensured that harmful substances in the waste gas are fully removed; different biocatalysts are arranged through different multi-layer catalytic units, the problem that different catalysts in a traditional catalytic tank pollute one another can be avoided, waste gas is filtered and sterilized through the multiple filtering units, and the treatment process can effectively inhibit bacterial growth, prevent secondary pollution in equipment and guarantee sanitation and safety of waste gas treatment.

Description

Technical Field

[0001] The invention relates to the technical field of waste gas treatment devices, and in particular to a multi-level antibacterial waste gas treatment device utilizing biocatalytic deodorization. Background Art

[0002] Biocatalytic deodorization technology is an environmentally friendly technology that uses the metabolism of microorganisms to transform and degrade harmful components in malodorous gases. This technology has the advantages of low operating costs, no secondary pollution, and good treatment effects. It is especially suitable for treating low-concentration, biodegradable gaseous pollutants.

[0003] Multi-level antibacterial waste gas treatment equipment is a kind of equipment that integrates multiple biological treatment technologies such as biofiltration, biotrickling and bio-washing. It usually includes a pretreatment unit, a biological treatment unit and a post-treatment unit, and improves the efficiency and stability of waste gas treatment through a multi-level design. This equipment can effectively remove odorous substances such as hydrogen sulfide, ammonia, volatile organic compounds, etc. in waste gas, and is suitable for a variety of industrial and municipal engineering fields.

[0004] Although biocatalytic deodorization technology has many advantages in theory, there are still some technical defects and challenges in practical applications. The growth rate and metabolic activity of microorganisms are greatly affected by environmental conditions. There is still room for improvement in the treatment efficiency of biocatalytic deodorization equipment. When treating complex or high-concentration waste gases, the problems of microbial activity and tolerance need to be solved. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a multi-level antibacterial waste gas treatment device using biocatalytic deodorization.

[0006] The technical solution of the present invention is: a multi-level antibacterial waste gas treatment device using biocatalytic deodorization, comprising a housing, a catalytic unit, a liquid delivery pipe, a brake unit and a filter unit arranged inside the housing;

[0007] The liquid delivery pipe is connected to the inner wall of one side of the shell, and an air inlet pipe connected to the liquid delivery pipe is provided on the inner wall of the other side of the shell, and the air inlet pipe is connected to the center of the adjacent catalytic unit; an air outlet pipe is also provided on the inner wall of one side of the shell, and the air outlet pipe is connected to the end filter unit;

[0008] The catalyst unit and the filter unit are provided with a plurality of units and are arranged at intervals on the liquid delivery pipe. The catalyst unit and the filter unit are both connected to the liquid delivery pipe. The filter unit is fixedly connected to the housing, and the catalyst unit is rotatably sealed and connected to the liquid delivery pipe.

[0009] The brake unit is intermittently contacted with the catalytic unit, and the brake unit is meshedly connected with a second toothed disc provided on the liquid delivery pipe;

[0010] The catalytic unit comprises a catalytic disc body rotatably arranged inside the housing through a support rod, a gear ring arranged outside the catalytic disc body, and a drainage pipe sleeved on the bottom of the outer side of the catalytic disc body through a rotatable sealing ring, and the top of the drainage pipe is connected to the hole on the outer side wall of the catalytic disc body;

[0011] The catalyst disc body is provided with two annular partitions inside, which are used to separate the inside of the catalyst disc body into a filling chamber and a catalyst chamber;

[0012] One side of the catalyst disc body is rotatably sealed with the filter unit. A ventilation pipe is arranged inside the catalyst disc body. The side wall of the ventilation pipe has a filter structure. The filter unit is provided with a slot hole for communicating with the ventilation pipe of an adjacent catalyst disc body.

[0013] Description: The filling bin can remove large particle impurities and harmful substances in the exhaust gas; the catalytic unit inside the equipment is filled with biocatalysts, which can further efficiently degrade harmful gases and odors in the exhaust gas to achieve green and safe exhaust gas treatment; the inside of the catalytic unit is sprayed with liquid through the liquid delivery pipe to provide nutrient solution for the biocatalyst;

[0014] The rotation speed of the catalytic unit and the working state of the liquid delivery pipe can be adjusted according to the exhaust gas composition and treatment requirements to achieve energy-saving and efficient operation. By adjusting the number and arrangement of the catalytic units, the equipment can adapt to exhaust gas treatment needs of different scales and types.

[0015] Furthermore, a liquid storage cavity is provided at the bottom of the shell, and the liquid storage cavity is connected to the liquid delivery pipe through a circulation pump; a valve and a nozzle are provided on the liquid delivery pipe located inside the catalyst disc body, and the outside of the valve and the nozzle is covered with an annular filter.

[0016] Description: The liquid delivery pipe is connected to the inside of the catalyst disc body through a valve and a nozzle, which can accurately control the liquid delivery volume and spraying range to ensure the wetting of the catalyst and improve the catalytic efficiency; the liquid delivery pipe is connected to the liquid storage chamber through a circulation pump to achieve the recycling of the liquid, reduce resource consumption and reduce operating costs; the liquid delivery pipe is connected to the center of the catalyst disc body in a rotating seal, and continuously rotates through the first gear disc, which is asynchronous with the intermittent rotation of the catalyst disc body, ensuring uniform distribution of the liquid. At the same time, the liquid delivery volume can be automatically adjusted according to the rotation state of the catalyst disc body.

[0017] Furthermore, the brake unit includes a shaft parallel to the liquid delivery pipe and rotatably arranged inside the housing, a shifting block spaced apart on the shaft and used to shift the gear ring to rotate, and a motor used to drive the shaft to rotate.

[0018] Description: The motor controls the rotation of the shift block through the gear ring and the shaft. The shift block is in intermittent contact with the gear ring, which can accurately control the intermittent rotation speed and rotation period of the catalyst disc body to ensure full contact between the catalyst and the exhaust gas.

[0019] Furthermore, the filter unit includes a filter disc body fixedly connected to the shell, a water spray pipe group arranged on the top of the filter disc body, and a sewage pipe group arranged at the bottom of the filter disc body; the slot hole is arranged on the side of the filter disc body, and a pressure valve is arranged on the slot hole.

[0020] Description: Through the filter disc body set at multiple intervals, the exhaust gas needs to undergo multi-stage filtration to ensure that the particles and harmful substances in the exhaust gas are fully removed; the filter disc body can be regularly flushed through the setting of the water spray pipe group to avoid clogging of the filter medium and ensure the long-term and efficient operation of the filter unit; the setting of the sewage pipe group can automatically discharge the wastewater and waste residue generated during the filtration process, reducing manual intervention and improving operating efficiency; through dynamic cleaning and automatic sewage discharge functions, the maintenance frequency and cost of the equipment are reduced.

[0021] Furthermore, a first toothed disc is provided on the outer side wall of the liquid delivery pipe, and the liquid delivery pipe is rotatably sealed and connected to the filter disc body; and a second toothed disc meshing with the first toothed disc is provided on the shaft rod of the brake unit, and a filter plate for dividing the filter disc body into a bin to be filtered and a filter bin is longitudinally provided inside the filter disc body, an ultraviolet lamp is provided on the filter plate on one side of the bin to be filtered, and a scraper plate is provided on one side of the bin to be filtered and fixedly connected to the liquid delivery pipe, and the scraper plate is in contact with the filter plate.

[0022] Description: The first toothed disc is meshed with the second toothed disc to realize the linkage between the liquid delivery pipe and the brake unit, ensuring that the liquid delivery amount matches the rotation state of the catalyst disc body, thereby improving the catalytic efficiency; the brake unit drives the liquid delivery pipe to rotate, thereby driving the scraper plate to rotate, scraping the mud on the surface of the filter plate, flushing it through the water spray pipe group, and then discharging it through the sewage pipe group to form self-cleaning.

[0023] Furthermore, electronic valves are provided in the drainage pipe, the water spray pipe group, and the sewage pipe group respectively.

[0024] Description: The electronic valve can accurately control the flow of liquid or gas according to the control signal, realize automatic control and improve processing efficiency.

[0025] Furthermore, a water tank is also provided on one side of the shell, the water inlet of the water spray pipe group is connected with the water tank through the pump body, and the water outlet of the water spray pipe group is connected with the inside of the filter disc body through the shell.

[0026] Note: The setting of the water tank can provide a stable and sufficient water source for the water spray pipe group, ensuring the stability and reliability of the washing or cleaning process; the connection between the water spray pipe group and the filter disc body can realize the automatic flushing of the filter medium, reduce the blockage of the filter disc body, and improve the operation efficiency of the equipment.

[0027] Furthermore, liquid level sensors are respectively arranged inside the catalytic disc body and the filter disc body, and the liquid level sensors are radially arranged with the liquid delivery pipe as the center.

[0028] Note: The radial arrangement of the liquid level sensor can monitor the liquid distribution inside the catalyst disc body and the filter disc body in all directions, ensuring the comprehensiveness and accuracy of the monitoring.

[0029] Furthermore, electric heating wires and semiconductor cooling sheets are arranged at intervals on the wall of the catalyst disk body, a heat conducting layer is arranged on the inner wall of the catalyst disk body, and a temperature sensor and a humidity sensor are arranged inside the catalyst disk body.

[0030] Description: The heating wire can provide heating function, and the semiconductor cooling sheet can provide cooling function. The combination of the two can accurately control the temperature inside the catalyst disc body to meet the optimal working temperature requirements of the catalyst; the humidity sensor monitors the humidity level inside the catalyst disc body. Combined with the data from the temperature sensor, the working status of the heating wire and the semiconductor cooling sheet can be adjusted in real time to control the humidity and ensure the efficiency of the catalytic reaction; the heat conductive layer on the inner wall ensures that the heat generated by the heating wire or the cold generated by the semiconductor cooling sheet is evenly distributed to avoid local overheating or overcooling, thereby improving the catalytic efficiency and equipment life.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] The device of the present invention allows the exhaust gas to undergo multi-stage purification treatment through the synergistic effect of the catalytic unit, the filtering unit and the liquid delivery pipe, thereby ensuring that harmful substances in the exhaust gas are fully removed; a rotating seal is adopted between the catalytic unit and the liquid delivery pipe, liquid is sprayed into the interior of the catalytic unit through the braking unit, and the catalytic unit is intermittently rotated by the braking unit. The rotation of the catalytic disc body increases the contact area between the exhaust gas and the catalyst, improves the catalytic efficiency, promotes the uniform reaction of the exhaust gas and the catalyst inside the catalytic unit, and also improves the uniform effect of the nutrient solution, thereby enhancing the purification effect of the exhaust gas.

[0033] The device of the present invention is provided with a plurality of catalytic units and filtering units. Different biocatalysts are arranged by arranging different multi-level catalytic units, which can avoid the problem of mutual contamination between different catalysts in the traditional catalytic tank. The exhaust gas is filtered and sterilized by the plurality of filtering units. The treatment process can effectively inhibit the growth of bacteria, prevent secondary pollution inside the equipment, and ensure the sanitary safety of the exhaust gas treatment.

[0034] The device of the present invention can discharge the waste water generated in the treatment process through the drainage pipe at the bottom of the catalytic disc body. At the same time, the air outlet pipe inside the catalytic disc body adopts a filter structure, which helps to prevent blockage. During intermittent rotation, the air outlet is intermittently opened and closed, so that the exhaust gas can enter the next level after being treated for a period of time, avoiding omissions in the purification treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 is a longitudinal cross-sectional view of the overall structure of Embodiment 1 of the present invention;

[0036] Figure 2 is a longitudinal cross-sectional view of the catalyst disk body of Example 1 of the present invention;

[0037] Figure 3 is a schematic structural diagram of a sealing ring and a drainage pipe according to Embodiment 1 of the present invention;

[0038] Figure 4 2 is a schematic structural diagram of a liquid delivery pipe and a brake unit according to Embodiment 1 of the present invention;

[0039] Figure 5 is a schematic structural diagram of a filter disc body according to embodiment 1 of the present invention;

[0040] Figure 6 is a longitudinal cross-sectional view of the filter disc body of Example 1 of the present invention;

[0041] Figure 7 is a side longitudinal sectional view of the filter disc body of Example 1 of the present invention;

[0042] Among them, 1-shell, 11-inlet pipe, 2-catalytic unit, 211-catalytic disc body, 2111-exhaust pipe, 212-partition, 213-filling bin, 214-catalyst bin, 22-tooth ring, 23-drainage pipe, 3-liquid delivery pipe, 31-liquid delivery pipe, 32-liquid storage chamber, 33-first tooth disc, 4-brake unit, 41-motor, 42-shaft, 43-shift block, 44-second tooth disc, 5-filter unit, 511-filter disc body, 512-filter plate, 513-ultraviolet lamp, 514-scraper, 52-water spray pipe group, 53-drain pipe group. DETAILED DESCRIPTION

[0043] The present invention is further described in detail below in conjunction with specific implementation methods to better reflect the advantages of the present invention.

[0044] Example 1

[0045] like Figure 1 A multi-level antibacterial waste gas treatment device using biocatalytic deodorization is shown, comprising a housing 1, a catalytic unit 2, a liquid delivery pipe 3, a brake unit 4 and a filter unit 5 arranged inside the housing 1;

[0046] The liquid delivery pipe 3 is connected to the inner wall of one side of the shell 1, and an air inlet pipe 11 connected to the liquid delivery pipe 3 is provided on the inner wall of the other side of the shell 1, and the air inlet pipe 11 is connected to the center of the adjacent catalytic unit 2; an air outlet pipe 12 is also provided on the inner wall of one side of the shell 1, and the air outlet pipe 12 is connected to the end filter unit 5;

[0047] The catalyst units 2 and the filter units 5 are each provided with five and spaced apart on the liquid delivery pipe 3. The catalyst units 2 and the filter units 5 are both connected to the liquid delivery pipe 3. The filter units 5 are fixedly connected to the housing 1, and the catalyst units 2 are rotatably sealed and connected to the liquid delivery pipe 3.

[0048] The brake unit 4 is intermittently contacted with the catalytic unit 2, and the brake unit 4 is meshedly connected with the second toothed disc 44 provided on the liquid delivery pipe 3;

[0049] like Figure 2 , 3 As shown, the catalytic unit 2 includes a catalytic disc body 211 rotatably arranged inside the housing 1 through a support rod, a gear ring 22 arranged outside the catalytic disc body 211, and a drainage pipe 23 arranged at the bottom of the outer side of the catalytic disc body 211 through a rotatable sealing ring, and the top of the drainage pipe 23 is connected to the hole on the outer side wall of the catalytic disc body 211;

[0050] An annular groove is provided on the outer wall of the catalyst disc body 211, and an annular convex block is provided on the inner edge of the sealing ring. The annular convex block and the annular groove can be sealed and rotatably engaged; a through groove connected to the drainage pipe 23 is provided at the bottom of the sealing ring;

[0051] Two annular partitions 212 are provided inside the catalyst disc body 211, which are used to separate the inside of the catalyst disc body 211 into a filling bin 213 and a catalyst bin 214; the filling bin 213 is filled with commercially available activated carbon fillers, and the catalyst bins 214 of the five catalyst disc bodies 211 are filled with commercially available catalase and oxidized tartrate enzyme biocatalysts in a circular manner;

[0052] One side of the catalyst disc body 211 is rotatably sealed with the filter unit 5, a vent pipe 2111 is provided inside the catalyst disc body 211, the side wall of the vent pipe 2111 has a filter structure, and the filter unit 5 is provided with a slot for communicating with the vent pipe 2111 of the adjacent catalyst disc body 211;

[0053] like Figure 2 , 5As shown, the other side of the catalyst disc body 211 is rotatably sealed with the filter unit 5, and a slot hole communicating with the inside of the filter unit 5 is provided on the catalyst disc body 211 on the side in contact with the filter unit 5, and an air outlet pipe 2111 is provided inside the catalyst disc body 211, and the air outlet pipe 2111 is composed of a filter screen, and the opening of the air outlet pipe 2111 is communicated with the slot hole at the edge of the catalyst disc body 211;

[0054] like Figure 1 , 4 As shown, a liquid storage chamber 32 is also provided at the bottom of the shell 1, and the liquid storage chamber 32 is connected to the liquid delivery pipe 3 through a circulation pump; a valve and a nozzle are provided on the liquid delivery pipe 3 located inside the catalyst disk body 211, and the outer side of the valve and the nozzle is covered with an annular filter;

[0055] The liquid storage chamber 32 is filled with commercially available LB culture medium, and a filter layer is also disposed laterally inside the liquid storage chamber 32;

[0056] like Figure 5 As shown, the brake unit 4 includes a shaft 42 parallel to the liquid delivery pipe 3 and rotatably arranged inside the housing 1, a shifting block 43 arranged at intervals on the shaft 42 and used to shift the gear ring 22 to rotate, and a motor 41 used to drive the shaft 42 to rotate;

[0057] It can be understood that the motor 41 is arranged in the housing 1, and a driving gear is arranged at the output end of the motor 41, and a gear ring 421 meshingly connected with the driving gear is also arranged on the shaft 42; both ends of the shaft 42 are rotatably connected with a column for support, and the connection point between the driving gear and the gear ring 421 is located in the middle part of the shaft 42. This arrangement can better share the axial force of the shaft 42 and ensure the transmission effect of the gear ring 22 on the shift block 43;

[0058] like Figure 6 , 7 As shown, the filter unit 5 includes a filter disc body 511 fixedly connected to the housing 1, a water spray pipe group 52 arranged on the top of the filter disc body 511, and a sewage pipe group 53 arranged on the bottom of the filter disc body 511; the slot is arranged on the side of the filter disc body 511, and a pressure valve is arranged on the slot;

[0059] like Figure 7As shown, a first toothed disc 33 is arranged on the outer side wall of the liquid delivery pipe 3, and the liquid delivery pipe 3 is rotatably sealed and connected with the filter disc body 511; and a second toothed disc 44 meshing with the first toothed disc 33 is arranged on the shaft 42 of the brake unit 4, and a filter plate 512 for dividing the filter disc body 511 into a to-be-filtered bin and a filtering bin is longitudinally arranged inside the filter disc body 511, an ultraviolet lamp 513 is arranged on the filter plate 512 on one side of the to-be-filtered bin, and a scraper plate 514 is arranged on one side of the to-be-filtered bin and fixedly connected with the liquid delivery pipe 3, and the scraper plate 514 is in contact with the filter plate 512;

[0060] like Figure 1 As shown, the drainage pipe 23, the water spray pipe group 52, and the sewage pipe group 53 are each provided with an electronic valve;

[0061] A water tank is also provided on one side of the shell 1 , and the water inlet of the water spray pipe group 52 is connected to the water tank through the pump body, and the water outlet of the water spray pipe group 52 passes through the shell 1 and is connected to the inside of the filter disc body 511 .

[0062] It should be noted that: this embodiment also includes a power supply and a controller, and the power supply, controller, filter, pressure valve, filter plate 512, ultraviolet lamp 513, scraper 514, pump body, electronic valve, filter layer, partition 212, nutrient solution, filler bin 213, filler, catalyst bin 214, and biocatalyst are all commercially available products and will not be described in detail here.

[0063] The working principle of this embodiment is as follows: the exhaust gas enters the catalytic unit 2 through the intake pipe 11 to perform catalytic treatment, and the liquid is sprayed into the interior of the catalytic unit 2 through the liquid delivery pipe 3 to provide nutrient solution for the biocatalyst; the liquid delivery pipe 3 is connected to the interior of the catalytic disc body 211 through a valve and a nozzle, and the liquid delivery pipe 3 is connected to the liquid storage chamber 32 through a circulation pump to achieve liquid recycling, and the first toothed disc 33 is continuously rotated, which is asynchronous with the intermittent rotation of the catalytic disc body 211, to ensure uniform distribution of the liquid, and the liquid delivery amount can be automatically adjusted according to the rotation state of the catalytic disc body 211;

[0064] By arranging different biocatalysts in different multi-level catalytic units 2, the problem of mutual contamination between different catalysts in the traditional catalytic tank can be avoided. The exhaust gas is filtered and sterilized by multiple filter units 5. This treatment process can effectively inhibit bacterial growth, prevent secondary pollution inside the equipment, and ensure the hygienic safety of exhaust gas treatment.

[0065] The motor 41 controls the rotation of the shift block 43 through the gear ring 421 and the shaft 42. The shift block 43 is in intermittent contact with the gear ring 22, which can accurately control the intermittent rotation speed and rotation period of the catalyst disc body 211, ensuring that the catalyst is fully in contact with the exhaust gas; the first gear disc 33 is meshed with the second gear disc 44 to achieve the linkage between the liquid delivery pipe 3 and the brake unit 4, ensuring that the liquid delivery amount matches the rotation state of the catalyst disc body 211, thereby improving the catalytic efficiency;

[0066] Through the filter disc bodies 511 arranged at multiple intervals, the exhaust gas needs to be filtered at multiple levels to ensure that the particles and harmful substances in the exhaust gas are fully removed; the filter disc body 511 can be regularly flushed through the setting of the water spray pipe group 52 to avoid clogging of the filter medium; the sewage pipe group 53 can automatically discharge the wastewater and waste residue generated during the filtering process;

[0067] The brake unit 4 drives the liquid delivery pipe 3 to rotate, thereby driving the scraper plate 514 to rotate, scraping the mud on the surface of the filter plate 512, flushing it through the water spray pipe group 52, and then discharging it through the sewage pipe group 53 to form self-cleaning; the electronic valve can accurately control the flow of liquid or gas according to the control signal, realize automatic control, and improve the processing efficiency.

[0068] Example 2

[0069] The difference between this embodiment and the first embodiment is that liquid level sensors are respectively arranged inside the catalyst disc body 211 and the filter disc body 511. The liquid level sensors are radially arranged with the liquid delivery pipe 3 as the center. The liquid level sensors are commercially available products.

[0070] Example 3

[0071] The difference between this embodiment and embodiment 1 is that electric heating wires and semiconductor cooling sheets are arranged at intervals on the wall of the catalyst disk body 211, a heat conductive layer is arranged on the inner wall of the catalyst disk body 211, and a temperature sensor and a humidity sensor are arranged inside the catalyst disk body 211; the electric heating wires, semiconductor cooling sheets, heat conductive layers, temperature sensors and humidity sensors are all commercially available products.

Claims

1. A multi-level antibacterial waste gas treatment device using biocatalytic deodorization, characterized in that: The invention comprises a shell (1), a catalytic unit (2), a liquid delivery pipe (3), a brake unit (4) and a filter unit (5) arranged inside the shell (1); the liquid delivery pipe (3) is connected to the inner wall of one side of the shell (1), and an air intake pipe (11) connected to the liquid delivery pipe (3) is arranged on the inner wall of the other side of the shell (1), and the air intake pipe (11) is connected to the center of the adjacent catalytic unit (2); an air outlet pipe (12) is also arranged on the inner wall of one side of the shell (1), and the air outlet pipe (12) is connected to the filter unit (5) at the end; The catalytic unit (2) and the filter unit (5) are both provided with a plurality of them and are arranged at intervals on the liquid delivery pipe (3); the catalytic unit (2) and the filter unit (5) are both connected to the liquid delivery pipe (3); the filter unit (5) is fixedly connected to the housing (1); and the catalytic unit (2) is rotatably sealedly connected to the liquid delivery pipe (3); The brake unit (4) is intermittently contact-connected with the catalytic unit (2), and the brake unit (4) is meshingly connected with a second toothed disc (44) provided on the liquid delivery pipe (3); The catalytic unit (2) comprises a catalytic disc body (211) rotatably arranged inside the housing (1) via a support rod, a gear ring (22) arranged outside the catalytic disc body (211), and a drainage pipe (23) sleeved on the bottom of the outside of the catalytic disc body (211) via a rotatable sealing ring, wherein the top of the drainage pipe (23) is connected to a hole on the outer wall of the catalytic disc body (211); Two annular partitions (212) are provided inside the catalyst disc body (211) for dividing the inside of the catalyst disc body (211) into a filling chamber (213) and a catalyst chamber (214); One side of the catalytic disc body (211) is rotatably sealed with the filter unit (5); a vent pipe (2111) is provided inside the catalytic disc body (211); a side wall of the vent pipe (2111) has a filter structure; and a slot hole for communicating with the vent pipe (2111) of an adjacent catalytic disc body (211) is provided on the filter unit (5).

2. The multi-level antibacterial waste gas treatment equipment using biocatalytic deodorization as claimed in claim 1, characterized in that: The bottom of the shell (1) is also provided with a liquid storage chamber (32), and the liquid storage chamber (32) is connected to the liquid delivery pipe (3) through a circulation pump; the liquid delivery pipe (3) located inside the catalytic disc body (211) is provided with a valve and a nozzle, and the outer side of the valve and the nozzle is covered with an annular filter.

3. The multi-level antibacterial waste gas treatment equipment using biocatalytic deodorization as claimed in claim 1, characterized in that: The brake unit (4) comprises a shaft (42) parallel to the liquid delivery pipe (3) and rotatably arranged inside the housing (1), a shifting block (43) arranged at intervals on the shaft (42) and used to shift the gear ring (22) to rotate, and a motor (41) used to drive the shaft (42) to rotate.

4. The multi-level antibacterial waste gas treatment equipment using biocatalytic deodorization as claimed in claim 2, characterized in that: The filter unit (5) comprises a filter disc body (511) fixedly connected to the housing (1), a water spray pipe group (52) arranged on the top of the filter disc body (511), and a sewage discharge pipe group (53) arranged on the bottom of the filter disc body (511); the slot hole is arranged on the side of the filter disc body (511), and a pressure valve is arranged on the slot hole.

5. The multi-level antibacterial waste gas treatment equipment using biocatalytic deodorization as claimed in claim 4, characterized in that: A first toothed disc (33) is arranged on the outer wall of the liquid delivery pipe (3), and the liquid delivery pipe (3) is rotatably sealedly connected to the filter disc body (511); and a second toothed disc (44) meshing with the first toothed disc (33) is arranged on the shaft (42) of the brake unit (4); a filter plate (512) for dividing the filter disc body (511) into a chamber to be filtered and a filtering chamber is longitudinally arranged inside the filter disc body (511); an ultraviolet lamp (513) is arranged on the filter plate (512) on one side of the chamber to be filtered; and a scraper plate (514) is arranged on one side of the chamber to be filtered and fixedly connected to the liquid delivery pipe (3); the scraper plate (514) is in contact with the filter plate (512).

6. The multi-level antibacterial waste gas treatment equipment using biocatalytic deodorization as claimed in claim 5, characterized in that: The drainage pipe (23), the water spray pipe group (52), and the sewage pipe group (53) are each provided with an electronic valve.

7. The multi-level antibacterial waste gas treatment equipment using biocatalytic deodorization as claimed in claim 5, characterized in that: A water tank is also provided on one side of the shell (1); the water inlet of the water spray pipe group (52) is connected to the water tank through the pump body; the water outlet of the water spray pipe group (52) passes through the shell (1) and is connected to the interior of the filter disc body (511).

8. The multi-level antibacterial waste gas treatment equipment using biocatalytic deodorization as claimed in claim 1, characterized in that: Liquid level sensors are respectively arranged inside the catalytic disc body (211) and the filter disc body (511), and the liquid level sensors are radially arranged with the liquid delivery pipe (3) as the center.

9. The multi-level antibacterial waste gas treatment equipment using biocatalytic deodorization as claimed in claim 1, characterized in that: Electric heating wires and semiconductor cooling sheets are arranged at intervals on the wall of the catalytic disc body (211), a heat conducting layer is arranged on the inner wall of the catalytic disc body (211), and a temperature sensor and a humidity sensor are arranged inside the catalytic disc body (211).

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