Pig house deodorization system
By introducing a plasma deodorization module and multi-stage spray purification technology into the pigsty deodorization system, the purification problem of operating a single deodorizing fan has been solved, achieving efficient deodorization and cost savings.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-03-24
AI Technical Summary
Existing deodorization facilities for pigsties cannot effectively purify odors from a single operating deodorization fan. They also suffer from large footprints and high operating costs, making it difficult to build supporting facilities, especially in pigsties with limited space.
Design a deodorization system for pigsties, combining a negative pressure fan, a plasma deodorization module, and a misting module. The system utilizes a plasma generator to produce high-energy active substances that decompose organic matter upon contact with odorous gases. The system then employs multi-stage spraying and misting purification, combined with a circulating dosing module and an exhaust and water return module to achieve highly efficient purification.
It achieves efficient odor purification from a single operating deodorizing fan, reducing the footprint and operating costs. The deodorization efficiency reaches about 80%, and the odor concentration is below 20, thus solving the shortcomings of traditional facilities.
Smart Images
Figure CN224024666U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pig house stench treatment technical field, concretely relates to a pig house deodorization system. BACKGROUND
[0002] With the pig house scale under the pig house scale of our country intensification, scale breeding mode is bigger and bigger, livestock breeding stench nuisance becomes the key problem that must be solved in the process of intensive pig farm operation. At present, the deodorization facilities matched in livestock breeding industry are mostly the filler wall deodorization system mainly with spray head, the deodorization net deodorization system mainly with spray head or the simple deodorization device mainly with integrated device. The three deodorization facilities have respective advantages and disadvantages, and in the process of how to select the deodorization facility, the deodorization space size, the construction operation cost level and the deodorization effect are the key points that need to be considered when determining the deodorization scheme.
[0003] At present, the deodorization room is built at the end of the deodorization fan to carry out the whole stench purification, but such scheme cannot carry out stench purification for a single running deodorization fan, has the defects of large occupied area, high operation cost and the like, and the optimization space is huge. Moreover, for many pig houses without sufficient site conditions, it is difficult to build the matched deodorization facility. UTILITY MODEL CONTENT
[0004] The utility model aims at designing a pig house deodorization system, which can purify the stench of a single running deodorization fan, so as to solve the problems in the above background technology.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: a pig house deodorization system is provided, which comprises a negative pressure fan, a plasma deodorization module and a spray module. The negative pressure fan is installed on a pig house. The outlet end of the negative pressure fan is in communication with the inlet end of the plasma deodorization module. The plasma deodorization module comprises a plasma generator, a gas conveying pipe, a gas distribution port and a connecting section. One end of the connecting section is in communication with the negative pressure fan, and the other end of the connecting section is in communication with the spray module. A through pipe is installed in the connecting section. A plurality of gas distribution ports are in communication with the through pipe. The plasma generator is in communication with the through pipe through the gas conveying pipe.
[0006] Further, the spray module comprises a spray box, a first-stage spray head group, a second-stage spray head group and a third-stage spray head group. The spray box is in communication with the connecting section. The first-stage spray head group, the second-stage spray head group and the third-stage spray head group are installed in the spray box in sequence along the airflow direction.
[0007] Further, a spray filler wall is installed between the first-stage spray head group and the second-stage spray head group.
[0008] Further, the circulating dosing module comprises a circulating water bucket, a spraying pipe and a backwater pipe, the circulating water bucket is communicated with the first-stage spraying nozzle group through the spraying pipe, and the backwater pipe is communicated with the spraying and misting box.
[0009] Further, the circulating dosing module further comprises a medicine water bucket, a spraying main pipe, a first spraying pipe and a second spraying pipe, the medicine water bucket is communicated with the spraying main pipe, the spraying main pipe is communicated with the first spraying pipe and the second spraying pipe, the first spraying pipe is communicated with the second-stage spraying nozzle group, and the second spraying pipe is communicated with the second-stage spraying nozzle group.
[0010] Further, the spraying pipe is provided with a spraying pump, and the spraying main pipe is provided with an atomizing pump.
[0011] Further, the first spraying pipe is provided with a first proportional pump, and the second spraying pipe is provided with a second proportional pump.
[0012] Further, the exhaust backwater module comprises a fixed frame and a deodorization net, the fixed frame is arranged at the air outlet end of the spraying and misting module, and the deodorization net is arranged at the top end of the fixed frame.
[0013] Further, the exhaust backwater module comprises a fixed frame and a deodorization net, the fixed frame is arranged at the air outlet end of the spraying and misting module, and the deodorization net is arranged at the top end of the fixed frame.
[0014] Further, the connecting section is a cloth bag flexible connecting section.
[0015] Compared with the prior art, the utility model has the advantages of:
[0016] The utility model discloses a pig house deodorization device, which comprises a spraying and misting module and a circulating dosing module, wherein the spraying and misting module comprises a spraying and misting box, a first-stage spraying nozzle group and a second-stage spraying nozzle group, the first-stage spraying nozzle group is arranged on the top of the spraying and misting box, the second-stage spraying nozzle group is arranged on the bottom of the spraying and misting box, the circulating dosing module comprises a circulating water bucket, a spraying pipe and a backwater pipe, the circulating water bucket is communicated with the first-stage spraying nozzle group through the spraying pipe, and the backwater pipe is communicated with the spraying and misting box. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.
[0018] Figure 1 The overall structure schematic diagram of the embodiment 1 of the present application;
[0019] Figure 2 The overall structure schematic diagram of the embodiment 2 of the present application;
[0020] The names of the components marked in the figure are as follows:
[0021] 1, pig house; 2, negative pressure fan; 3, plasma deodorization module; 4, spray module; 5, circulating dosing module; 6, air outlet water module; 7, plasma generator; 8, gas conveying pipe; 9, through pipe; 10, connecting section; 11, air distribution port; 12, spray box body; 13, first-stage spray nozzle group; 14, second-stage spray nozzle group; 15, third-stage spray nozzle group; 16, spray filler wall; 17, circulating water bucket; 18, spray pipe; 19, water return pipe; 20, chemical water bucket; 21, first spray pipe; 22, second spray pipe; 23, spray pump; 24, atomizing pump; 25, first proportional pump; 26, second proportional pump; 27, fixed frame; 28, deodorization net; 29, water guide plate. DETAILED DESCRIPTION
[0022] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined application purposes, the following will describe the specific embodiments, structures, features and effects of the present application in detail with reference to the drawings and preferred embodiments.
[0023] Embodiment 1
[0024] Reference Figure 1 A pig house deodorization system is constructed in a deodorization test field in Yuncheng, Guangdong. The test field is constructed to simulate a pig house. 20 160-day-old fattening pigs are kept in the pig house as the source of odor of pig manure smell and pig body smell. A 50-inch galvanized plate deodorization negative pressure fan is installed on the outer wall of the pig house. The air volume is 40000m3 / h when the air pressure is 0 Pa.
[0025] The application discloses a pig house 1 deodorization system, which comprises a negative pressure fan 2, a plasma deodorization module 3, a spray module 4, an air outlet water return module 6, a circulating dosing module 5 and a control remote module, wherein the negative pressure fan 2 is installed on the pig house 1, and the outlet end of the negative pressure fan 2 is communicated with the inlet end of the plasma deodorization module 3. The plasma deodorization module 3, the spray module 4, the air outlet water return module 6, the circulating dosing module 5 and the control remote module are all installed in the form of side air outlet on the outside of the deodorization negative pressure fan 2 of the pig house 1, and the air outlet direction of the air outlet water return module 6 is parallel to the direction of the negative pressure fan 2.
[0026] The plasma deodorization module 3 comprises a plasma generator 7, a gas conveying pipe 8, gas distribution ports 11 and a connecting section 10, wherein the connecting section 10 is a bag soft connecting section 10, which can ensure that the system obtains a more flexible installation method. One end of the connecting section 10 is communicated with the negative pressure fan 2, the other end of the connecting section 10 is communicated with the spray module 4, a through pipe 9 is installed in the connecting section 10, a plurality of gas distribution ports 11 are communicated on the through pipe 9, and the plasma generator 7 is communicated with the through pipe 9 through the gas conveying pipe 8. The discharge form of the plasma generator is high-voltage pulse corona discharge, and non-equilibrium high-energy low-temperature plasma can be obtained at normal temperature, a large amount of high-energy electrons and hydroxyl radicals (·OH, ·HO2, ·O) with extremely strong oxidation performance, and high-energy active particles such as O3 with extremely strong oxidation performance are generated. The pig house 1 odor is introduced into the connecting section 10 of the plasma deodorization module 3 by the negative pressure fan 2, meanwhile, the high-energy active substances generated by the plasma generator are transported into each gas distribution port 11 on the through pipe 9 through the gas conveying pipe 8, and are scattered in the connecting section 10 through the gas distribution ports 11, so that the high-energy active substances and the pig house 1 odor are fully contacted, a large amount of high-energy electrons, hydroxyl radicals (·OH, ·HO2, ·O) with extremely strong oxidation performance and high-energy active substances such as O3 with extremely strong oxidation performance act on and decompose the organic matters in the odor, and the pre-oxidation decomposition of odor-causing pollutants is completed.
[0027] The mist module 4 comprises a mist box 12, a first-stage spray nozzle group 13, a mist filler wall 16, a second-stage spray nozzle group 14 and a third-stage spray nozzle group 15. The mist box 12 is in communication with the connecting section 10, and the first-stage spray nozzle group 13, the mist filler wall 16, the second-stage spray nozzle group 14 and the third-stage spray nozzle group 15 are sequentially installed in the mist box 12 along the airflow direction. The odor gas broken by pre-oxidation is subjected to three-stage deodorization by spraying and spraying in the mist box 12. The first-stage spray nozzle group 13 removes dust and ammonia and other water-soluble pollutants by active agent spraying, and the second-stage spray nozzle group 14 and the third-stage spray nozzle group 15 respectively remove oxidizable pollutants by strong oxidizing agent spraying. The thickness of the mist filler wall 16 is 225 mm - 450 mm, which is used to prolong the residence time of pollutants and make the spray water converge to the bottom of the mist box 12. The odor gas broken by pre-oxidation comes to the mist module 4 for purification, removes the pollutants in the odor gas of the pig house 1, and the deodorization efficiency can reach about 80%, and the odor concentration (dimensionless) is less than 20. In this way, efficient deodorization is realized, and the odor gas purification can be realized by a single running deodorization fan, and the problems of large occupied area and high operation cost are solved.
[0028] The exhaust water module 6 also comprises a fixed frame 27, a water guide plate 29 and a deodorization net 28. The fixed frame 27 is installed at the exhaust end of the mist module 4, the deodorization net 28 is installed at the top end of the fixed frame 27, and the water guide plate 29 is installed at the bottom end of the fixed frame 27. The purified gas treated by the mist module 4 still contains a large amount of water mist, 50% of which can be recycled in the exhaust water module 6, and the remaining water mist and clean gas are discharged into the air to further react with odor-causing substances. The deodorization net 28 is selected from a 10-mesh to 20-mesh stainless steel net. The purified gas with a large amount of water mist collides with the deodorization net 28 and forms water droplets, which flow to the water guide plate 29 and converge to the bottom of the mist box 12 through the water guide plate 29, and then converge with the spray water to the circulating dosing module 5.
[0029] The system further comprises a circulating dosing module 5, which comprises a circulating water bucket 17, a spraying pipe 18, a spraying pump 23, a backwater pipe 19, a chemical water bucket 20, a spraying main pipe, an atomizing pump 24, a first spraying pipe 21 and a second spraying pipe 22. The circulating water bucket 17 is communicated with the first-stage spraying nozzle group 13 through the spraying pipe 18, the spraying pump 23 is installed on the spraying pipe 18, and the backwater pipe 19 is communicated with the spraying and misting box 12. The chemical water bucket 20 is communicated with the spraying main pipe, and the atomizing pump 24 is installed on the spraying main pipe. The spraying main pipe is communicated with the first spraying pipe 21 and the second spraying pipe 22, the first spraying pipe 21 is communicated with the second-stage spraying nozzle group 14, and the first proportional pump 25 is installed on the first spraying pipe 21. The second spraying pipe 22 is communicated with the second-stage spraying nozzle group 14, and the second proportional pump 26 is installed on the second spraying pipe 22. The spraying pump 23 supplies the spraying chemical water in the circulating water bucket 17 to the first-stage spraying nozzle group 13 through the spraying pipe 18, and the spraying water is blocked on the spraying and misting filler wall 16 to flow into the spraying and misting box 12, and is returned to the circulating water bucket 17 through the backwater pipe 19 at the bottom of the spraying and misting box 12 together with the atomized water, so that one cycle of the spraying water is completed. The atomizing pump 24 delivers the spraying chemical water in the chemical water bucket 20 to the delivery main pipe, and then pumps the chemical agent to the first spraying pipe 21 through the first proportional pump 25, and the chemical agent is sprayed into the spraying and misting box 12 through the second-stage spraying nozzle group 14. The second proportional pump 26 pumps the chemical agent to the second spraying pipe 22, and the chemical agent is sprayed into the spraying and misting box 12 through the third-stage spraying nozzle group 15. In the conventional deodorization process, the circulating water bucket 17 needs to be replaced with new water regularly to ensure the spraying deodorization effect, but in the system, the atomized water can be recycled to the circulating water bucket 17 to update the spraying water in real time, that is, the backwater design provides long-acting deodorization effect for the spraying in the spraying and misting module 4.
[0030] The system further comprises a control remote module, which comprises a micro switch, an ammonia detection probe, a malodorous gas detection probe, a drop-in liquid level meter and a remote transmission electric control cabinet. The control remote module can realize linkage start and stop of the device plasma generator, the spraying pump 23 and the deodorization fan, realize automatic control and online monitoring of the running state of the integrated device, install the micro switch outside the deodorization fan to detect the start and stop state of the deodorization fan, install the ammonia detection probe and the malodorous gas detection probe outside the outlet backwater module 6 to collect ammonia and malodorous gas data in the outlet of the device, install the drop-in liquid level meter in the chemical water bucket 20 to control automatic dosing of the water bucket and monitor low liquid level protection of the spraying pump 23. The running state of the device and the monitoring data are returned to a mobile phone app.
[0031] Embodiment 2
[0032] Reference Figure 2A pig house deodorization system is constructed in a deodorization test field in Yuncheng, Guangdong. The test field is constructed to simulate a pig house. 20 160-day-old fattening pigs are kept in the pig house as the source of odor of pig manure and pig body odor. A 50-inch galvanized plate deodorization negative pressure fan 2 is installed on the outer wall of the pig house. The air volume is 40000m3 / h when the air pressure is 0 Pa.
[0033] A pig house 1 deodorization system includes a negative pressure fan 2, a plasma deodorization module 3, a spray module 4, an air outlet water module 6, a circulating dosing module 5, and a control remote module. The negative pressure fan 2 is installed on the pig house 1. The outlet end of the negative pressure fan 2 is in communication with the inlet end of the plasma deodorization module 3. The plasma deodorization module 3, the spray module 4, the air outlet water module 6, the circulating dosing module 5, and the control remote module are all installed in the form of top air outlet on the outside of the pig house 1 deodorization negative pressure fan 2. The air outlet direction of the air outlet water module 6 is perpendicular to the direction of the negative pressure fan 2.
[0034] The plasma deodorization module 3 includes a plasma generator 7, a gas conveying pipe 8, a gas distribution port 11, and a connecting section 10. The connecting section 10 is a bag soft connecting section 10, which can ensure that the system obtains a more flexible installation method. One end of the connecting section 10 is in communication with the negative pressure fan 2. The other end of the connecting section 10 is in communication with the spray module 4. A through pipe 9 is installed in the connecting section 10. A plurality of gas distribution ports 11 are in communication with the through pipe 9. The plasma generator 7 is in communication with the through pipe 9 through the gas conveying pipe 8. The discharge form of the plasma generator is high-voltage pulse corona discharge. Non-equilibrium high-energy low-temperature plasma can be obtained at room temperature. A large number of high-energy electrons and hydroxyl radicals (·OH, ·HO2, ·O) with extremely strong oxidation performance, as well as highly active particles such as O3 with extremely strong oxidation are generated. The pig house 1 odor is introduced by the negative pressure fan 2 into the connecting section 10 of the plasma deodorization module 3. At the same time, the high-energy active substances generated by the plasma generator are transported to each gas distribution port 11 on the through pipe 9 through the gas conveying pipe 8. The high-energy active substances are dispersed in the connecting section 10 through the gas distribution port 11, so that the high-energy active substances and the pig house 1 odor are in full contact. A large number of high-energy electrons, hydroxyl radicals (·OH, ·HO2, ·O) with extremely strong oxidation performance, and O3 with extremely strong oxidation are decomposed by acting on the organic matter in the odor, and the pre-oxidation of the odor-causing pollutants is completed.
[0035] The mist module 4 comprises a mist box 12, a first-stage spray nozzle group 13, a mist filler wall 16, a second-stage spray nozzle group 14 and a third-stage spray nozzle group 15. The mist box 12 is in communication with the connecting section 10, and the first-stage spray nozzle group 13, the mist filler wall 16, the second-stage spray nozzle group 14 and the third-stage spray nozzle group 15 are sequentially installed in the mist box 12 along the airflow direction. The odor gas broken by pre-oxidation is subjected to three-stage deodorization by spraying and spraying in the mist box 12. The first-stage spray nozzle group 13 removes dust and ammonia and other water-soluble pollutants by active agent spraying. The second-stage spray nozzle group 14 and the third-stage spray nozzle group 15 respectively remove oxidizable pollutants by strong oxidizing agent spraying. The thickness of the mist filler wall 16 is 225 mm-450 mm, which is used to prolong the residence time of pollutants and make the spray water converge to the bottom of the mist box 12. The odor gas broken by pre-oxidation comes to the mist module 4 for purification, removes the pollutants in the odor gas of the pig house 1, and the deodorization efficiency can reach about 80%, and the odor concentration (dimensionless) is less than 20. In this way, efficient deodorization is realized, and the odor gas purification can be realized by a single running deodorization fan, and the problems of large occupied area and high operation cost are solved.
[0036] The exhaust water module 6 also comprises a fixed frame 27 and a deodorizing net 28. The fixed frame 27 is installed at the exhaust end of the mist module 4, and the deodorizing net 28 is installed at the top end of the fixed frame 27. The purified gas treated by the mist module 4 still contains a large amount of water mist, 50% of which can be recycled in the exhaust water module 6, and the remaining water mist and clean gas are discharged into the air to further react with odor-causing substances. The deodorizing net 28 is selected from a 10-mesh-20-mesh stainless steel net. The purified gas containing a large amount of water mist collides with the deodorizing net 28 and forms water droplets, which flow to the bottom of the mist box 12 and converge with the spray water to the circulating dosing module 5.
[0037] The system further comprises a circulating dosing module 5, which comprises a circulating water bucket 17, a spraying pipe 18, a spraying pump 23, a backwater pipe 19, a chemical water bucket 20, a spraying main pipe, an atomizing pump 24, a first spraying pipe 21 and a second spraying pipe 22. The circulating water bucket 17 is communicated with the first-stage spraying nozzle group 13 through the spraying pipe 18, the spraying pump 23 is installed on the spraying pipe 18, and the backwater pipe 19 is communicated with the spraying and atomizing box 12. The chemical water bucket 20 is communicated with the spraying main pipe, and the atomizing pump 24 is installed on the spraying main pipe. The spraying main pipe is communicated with the first spraying pipe 21 and the second spraying pipe 22, the first spraying pipe 21 is communicated with the second-stage spraying nozzle group 14, and the first proportional pump 25 is installed on the first spraying pipe 21. The second spraying pipe 22 is communicated with the second-stage spraying nozzle group 14, and the second proportional pump 26 is installed on the second spraying pipe 22. The spraying pump 23 supplies the spraying chemical water in the circulating water bucket 17 to the spraying nozzle group through the spraying pipe 18, and the spraying water is blocked on the spraying and atomizing filler wall 16 to flow into the spraying and atomizing box 12, and is returned to the circulating water bucket 17 through the backwater pipe 19 at the bottom of the spraying and atomizing box 12 together with the atomizing water, so that one cycle of the spraying water is completed. The atomizing pump 24 delivers the spraying chemical water in the chemical water bucket 20 to the delivery main pipe, and then pumps the chemical agent to the first spraying pipe 21 through the first proportional pump 25, and the chemical agent is sprayed into the spraying and atomizing box 12 through the second-stage spraying nozzle group 14. The second proportional pump 26 pumps the chemical agent to the second spraying pipe 22, and the chemical agent is sprayed into the spraying and atomizing box 12 through the third-stage spraying nozzle group 15. In the conventional deodorization process, the circulating water bucket 17 needs to be replaced with new water regularly to ensure the spraying deodorization effect, but in the system, the atomizing water can be recycled to the circulating water bucket 17 to update the spraying water in real time, that is, the backwater design provides long-acting deodorization effect for the spraying in the spraying and atomizing module 4.
[0038] The system further comprises a control remote module, which comprises a micro switch, an ammonia detection probe, an odor detection probe, a drop-in liquid level meter and a remote transmission electric control cabinet. The control remote module can realize linkage start and stop of the device plasma generator, the spraying pump 23 and the deodorization fan, realize automatic control and online monitoring of the running state of the integrated device, install the micro switch outside the deodorization fan to detect the start and stop state of the deodorization fan, install the ammonia detection probe and the odor detection probe outside the outlet backwater module 6 to collect ammonia and odor data in the outlet of the device, install the drop-in liquid level meter in the chemical water bucket 20 to control automatic dosing of the water bucket and monitor low liquid level protection of the spraying pump 23. The running state of the device and the monitoring data are returned to the mobile phone app. The structure and operation method of the control remote module are both prior art, and thus will not be described in detail.
[0039] The working principle of the system is as follows: when in use, the odor of the pig house 1 is introduced into the connecting section 10 of the plasma deodorization module 3 by the negative pressure fan 2, and the high-energy active substances generated by the plasma generator are transported into each air distribution port 11 through the gas conveying pipe 8, and are distributed in the connecting section 10 through the air distribution port 11, so that the high-energy active substances are in full contact with the odor of the pig house 1, and the organic matter in the odor of the pig house 1 is decomposed to complete the pre-oxidation and cracking of the odor-causing pollutants. The odor of the pig house 1 after pre-oxidation and cracking is subjected to three-stage deodorization by spraying and spraying in the spray module 4, the spraying agent in the circulating water bucket 17 is supplied to the first-stage spraying nozzle group 13 through the spraying pipe 18 by the spraying pump 23, the first-stage spraying nozzle group 13 removes dust, ammonia and other water-soluble pollutants by spraying active agent to complete the first-stage deodorization; the agent is pumped into the first spraying pipe 21 by the first proportional pump 25, and the agent is pumped into the second spraying pipe 22 by the second proportional pump 26, the second-stage spraying nozzle group 14 and the third-stage spraying nozzle group 15 respectively remove oxidizable pollutants by spraying strong oxidizing agent to complete the second-stage deodorization and the third-stage deodorization; the purified gas with a large amount of water mist collides with the deodorization net 28 and gathers into water droplets, and then flows to the bottom of the spray tank 12, and then converges with the spraying water and the atomized water in the circulating water bucket 17, so as to work.
[0040] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein the terms "on", "above", "under", "below", "left" of, "right" of, "front" of, "back" of and the like in reference to the position of one
[0041] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and any equivalent embodiments with equivalent changes or modifications made to the above embodiments based on the technical essence of the present application are still within the scope of the technical solution of the present application.
Claims
1. A deodorization system for pigsties, characterized in that: The system includes a negative pressure fan (2), a plasma deodorization module (3), and a misting module (4). The negative pressure fan (2) is installed on the pig house (1), and the outlet end of the negative pressure fan (2) is connected to the inlet end of the plasma deodorization module. The plasma deodorization module includes a plasma generator (7), a gas supply pipe (8), a gas distribution port (11), and a connecting section (10). One end of the connecting section (10) is connected to the negative pressure fan (2), and the other end of the connecting section (10) is connected to the misting module (4). A through pipe (9) is installed in the connecting section (10), and multiple gas distribution ports (11) are connected to the through pipe (9). The plasma generator (7) is connected to the through pipe (9) through the gas supply pipe (8).
2. The pigsty deodorization system according to claim 1, characterized in that: The misting module (4) includes a misting box (12), a first-stage spray nozzle group (13), a second-stage spray nozzle group (14), and a third-stage spray nozzle group (15). The misting box (12) is connected to the connecting section (10). The first-stage spray nozzle group (13), the second-stage spray nozzle group (14), and the third-stage spray nozzle group (15) are installed sequentially in the misting box (12) along the airflow direction.
3. The pigsty deodorization system according to claim 2, characterized in that: A misting filler wall (16) is installed between the first-stage spray nozzle group (13) and the second-stage spray nozzle group (14).
4. The pigsty deodorization system according to claim 2, characterized in that: It also includes a circulating dosing module (5), which includes a circulating water tank (17), a spray pipe (18) and a return water pipe (19). The circulating water tank (17) is connected to the first-stage spray nozzle group (13) through the spray pipe (18), and the return water pipe (19) is connected to the misting box (12).
5. The pigsty deodorization system according to claim 4, characterized in that: The circulating dosing module (5) also includes a medicine tank (20), a spray main pipe, a first spray pipe (21), and a second spray pipe (22). The medicine tank (20) is connected to the spray main pipe, and the spray main pipe is connected to the first spray pipe (21) and the second spray pipe (22). The first spray pipe (21) is connected to the second-stage spray nozzle group (14), and the second spray pipe (22) is connected to the second-stage spray nozzle group (14).
6. The pigsty deodorization system according to claim 5, characterized in that: A spray pump (23) is installed on the spray pipe (18), and an atomizing pump (24) is installed on the spray main pipe.
7. The pigsty deodorization system according to claim 5, characterized in that: A first proportional pump (25) is installed on the first spray pipe (21), and a second proportional pump (26) is installed on the second spray pipe (22).
8. The pigsty deodorization system according to claim 1, characterized in that: It also includes an air outlet and water return module (6), which includes a fixed frame (27) and a deodorizing net (28). The fixed frame (27) is installed at the air outlet end of the misting module (4), and the deodorizing net (28) is installed at the top of the fixed frame (27).
9. The pigsty deodorization system according to claim 8, characterized in that: It also includes a water-guiding plate (29), which is installed at the bottom of the fixed frame (27).
10. The pigsty deodorization system according to claim 1, characterized in that: The connecting section (10) is a flexible connecting section (10) made of cloth bag.