Air filtering structure suitable for pig house in cold region

Abstract

The utility model discloses an air filtering structure suitable for cold region pig house, including the installation frame, the installation frame inner wall is fixed with a set of baffle, and the installation frame one side outer wall has opened the exhaust port of array formula distribution, and the baffle one side outer wall has opened the air inlet of array formula distribution, and the exhaust port inner wall is installed with first check valve, and the air inlet inner wall is installed with second check valve, the installation frame one side outer wall has opened the through -groove, and the through -groove inner wall is fixed with the gas guide channel. The utility model discloses can pass to the first check valve of setting in the exhaust port inner wall and the second check valve of setting in the air inlet inner wall to the flow of air filtering structure in and out of the wind control, let the air current of entering the pig house can after the filtration of primary -efficiency filter screen and sub -high -efficient air filter enter the pig house, let the air current of needing to discharge the pig house can directly through first check valve and export fast, thereby improve the ventilation efficiency of pig house, filter the gas of entering the pig house effectively simultaneously.

Description

Technical Field

[0001] This utility model relates to the field of air filtration technology for pigsties, and in particular to an air filtration structure suitable for pigsties in cold regions. Background Technology

[0002] During the harsh winter, due to high-density feeding, when the pigsty is poorly ventilated, the air inside the pigsty becomes polluted. The air contains biologically active dust and toxic gases such as ammonia and hydrogen sulfide emitted from the accumulated feces and urine in the pen. These irritate the mucous membranes of the pigs' upper respiratory tract, causing inflammation, reducing their resistance, and making them more susceptible to respiratory diseases. The current technical solution involves installing several exhaust fans on the outer wall of the pigsty to force the polluted air inside the pigsty to be discharged outside, thereby improving the air quality inside the pigsty. However, this technical solution has a major technical flaw: the air entering the pigsty is not filtered in any way. Swine influenza virus and porcine reproductive and respiratory syndrome virus generally infect pigs by adhering to fine particles.

[0003] Therefore, in order to overcome the shortcomings of the existing technology, this utility model proposes an air filtration structure suitable for pig houses in cold regions. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an air filtration structure suitable for pigsties in cold regions.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: An air filtration structure suitable for pig houses in cold regions includes a mounting frame, a set of partitions fixed to the inner wall of the mounting frame, an array of exhaust ports on one side of the outer wall of the mounting frame, an array of air inlets on one side of the outer wall of the partitions, a first one-way valve installed on the inner wall of the exhaust ports, and a second one-way valve installed on the inner wall of the air inlets.

[0006] As a further improvement of this utility model: a through groove is opened on one side of the outer wall of the mounting frame, and an air guide channel is fixed on the inner wall of the through groove.

[0007] As a further improvement of this utility model, a primary filter screen is provided on the inner walls of both ends of the mounting frame.

[0008] As a further improvement of this utility model: a sub-high efficiency air filter is provided on one side of the primary filter screen, and the sub-high efficiency air filter is inserted into the inner wall at both ends of the mounting frame.

[0009] As a further improvement of this utility model, limit rings are fixed to the inner walls of both ends of the mounting frame.

[0010] As a further improvement of this utility model, support legs are fixed at the four corners of the bottom of the mounting frame.

[0011] The beneficial effects of this utility model are as follows: 1. When it is necessary to draw outside air into the pigsty, the fan will draw air through the air guide channel. At this time, the check valve of the first one-way valve located on the inner wall of the exhaust port will close under the negative pressure inside the main air channel and under its own gravity. At this time, the check valve of the second one-way valve located on both sides of the main air channel will open under the negative pressure, allowing outside air to pass through the air intake channels at both ends of the mounting frame, through the opened second one-way valve, and into the air guide channel. Then, it will be sprayed into the pigsty by the fan. At the same time, the primary filter and sub-high efficiency air filter installed on the inner wall of the air intake channel can filter the flowing air to prevent harmful substances in the outside air from entering the pigsty and affecting the livestock.

[0012] 2. When it is necessary to exhaust the gas inside the pigsty, the gas inside the pigsty is first drawn into the main air duct by the fan connected to the air guide channel. At this time, the check valve plate of the second one-way valve located on both sides of the main air duct will close under the action of air pressure, its own weight and spring force. The check valve plate of the first one-way valve located on the inner wall of the exhaust port will open outward under the impact of air pressure, so that the gas exhausted from the pigsty can be directly discharged outward through the first one-way valve, thereby improving the ventilation efficiency of the pigsty. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the main structure of an air filtration structure suitable for pigsties in cold regions, as proposed in this utility model. Figure 2 This is a side view schematic diagram of an air filtration structure suitable for pigsties in cold regions proposed in this utility model; Figure 3 This is a schematic diagram of the internal structure of the mounting frame of an air filtration structure suitable for pigsties in cold regions, as proposed in this utility model. Figure 4 This is a schematic diagram of a partition structure for an air filtration structure suitable for pigsties in cold regions, as proposed in this utility model.

[0014] In the diagram: 1-Mounting frame, 2-Primary filter, 3-Support leg, 4-First one-way valve, 5-Air guide channel, 6-Sub-high efficiency air filter, 7-Limiting ring, 8-Main air duct, 9-Exhaust port, 10-Baffle, 11-Second one-way valve, 12-Air inlet, 13-Air inlet. Detailed Implementation

[0015] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0016] The embodiments of this patent are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be construed as limiting this patent.

[0017] In the description of this patent, it should be understood that the terms “center,” “upper,” “lower,” “front,” “back,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this patent.

[0018] In the description of this patent, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this patent according to the specific circumstances.

[0019] Example 1: An air filtration structure suitable for pigsties in cold regions, such as... Figure 1-4 As shown, the system includes a mounting frame 1, a set of partitions 10 fixed to the inner wall of the mounting frame 1, an array of exhaust ports 9 on one side of the outer wall of the mounting frame 1, an array of air inlets 12 on one side of the outer wall of the partitions 10, a first one-way valve 4 installed on the inner wall of the exhaust ports 9, and a second one-way valve 11 installed on the inner wall of the air inlets 12. A through groove is opened on one side of the outer wall of the mounting frame 1, and an air guide channel 5 is fixed on the inner wall of the through groove; The inner walls at both ends of the mounting frame 1 are respectively provided with primary filter screens 2; A sub-high efficiency air filter 6 is provided on one side of the primary filter 2, and the sub-high efficiency air filter 6 is inserted into the inner walls at both ends of the mounting frame 1. Limit rings 7 are fixed to the inner walls of both ends of the mounting frame 1; Support legs 3 are fixed at the four corners of the bottom of the mounting frame 1.

[0020] First, the mounting frame 1 is installed on the corresponding position on the outer wall of the pigsty. Then, the air guide channel 5 is connected to the dehumidifying fan and other exhaust equipment inside the pigsty. When it is necessary to draw outside air into the pigsty, the fan connected to the air guide channel 5 will draw air through the air guide channel 5. At this time, the external check valve plate of the first one-way valve 4 located on the inner wall of the exhaust port 9 will close under the negative pressure formed inside the main air channel 8 during the air extraction, as well as under its own gravity. At this time, the check valve plates of the second one-way valve 11 located on both sides of the main air channel 8 will open under the negative pressure, so that the outside air can enter the air guide channel 5 through the air intake channels 13 at both ends of the mounting frame 1 and the opened second one-way valve 11. Then, it is sprayed into the pigsty by the fan. At the same time, the primary filter 2 and the sub-high efficiency air filter 6 set on the inner wall of the air intake channel 13 can filter the flowing air and prevent harmful substances in the outside air from entering the pigsty and affecting the livestock.

[0021] When it is necessary to exhaust the gas inside the pigsty, the gas inside the pigsty is first drawn into the main air duct 8 by the fan connected to the air guide channel 5. At this time, the check valve plate of the second one-way valve 11 located on both sides of the main air duct 8 will close under the action of air pressure, its own weight and spring force. The check valve plate of the first one-way valve 4 located on the inner wall of the exhaust port 9 will open outward under the impact of air pressure, so that the gas exhausted from the pigsty can be directly discharged outward through the first one-way valve 4, thereby improving the ventilation efficiency of the pigsty.

[0022] In this embodiment, the first one-way valve 4 and the second one-way valve 11 are both commercially available flue check valves with check valve plates. Flue check valves are generally controlled by the gravity of the check valve plate or a spring. They open when there is air pressure in the duct and return when there is no air pressure by the gravity of the check valve plate or the elasticity of the spring, thus achieving the function of one-way ventilation control. In this embodiment, the primary filter 2 and the sub-high efficiency air filter 6 are both commercially available primary filters and sub-high efficiency filters, and are both mature existing technologies. The specific working principles will not be elaborated here.

[0023] Meanwhile, according to the ventilation needs inside the pigsty, the farmers can remove the primary filter 2 and the sub-high efficiency air filter 6 installed on the inner wall of the air intake duct 13 to improve the air intake efficiency of the pigsty. At the same time, the check valve plates on one side of the first one-way valve 4 and the second one-way valve 11 can be supported by the support rod to increase the opening angle of the check valve plates, thereby further improving the air intake and exhaust efficiency of the air filtration structure and improving the applicability of the air filtration structure.

[0024] The main body of the air filter structure can be made of stainless steel, which increases the service life of the air filter structure.

[0025] Working principle: The mounting frame 1 is installed on the corresponding position on the outer wall of the pigsty. Then, the air guide channel 5 is connected to the dehumidification fan and other exhaust equipment inside the pigsty. When it is necessary to draw outside air into the pigsty, the fan connected to the air guide channel 5 will draw air through the air guide channel 5. At this time, the external check valve plate of the first one-way valve 4 located on the inner wall of the exhaust port 9 will close under the negative pressure formed inside the main air channel 8 during the air extraction, as well as under its own gravity. At this time, the check valve plates of the second one-way valve 11 located on the air inlets 12 on both sides of the main air channel 8 will open under the negative pressure, so that the outside air can enter the air guide channel 5 through the air inlets 13 at both ends of the mounting frame 1, through the opened second one-way valve 11, and then be sprayed into the pigsty by the fan. At the same time, the primary filter 2 and the sub-high efficiency air filter 6 set on the inner wall of the air inlet 13 can filter the flowing air.

[0026] When it is necessary to exhaust the gas inside the pigsty, the gas inside the pigsty is first drawn into the main air duct 8 by the fan connected to the air guide channel 5. At this time, the check valve plate of the second one-way valve 11 located on both sides of the main air duct 8 will close under the action of air pressure, its own weight and spring force. The check valve plate of the first one-way valve 4 located on the inner wall of the exhaust port 9 will open outward under the impact of air pressure, so that the gas exhaust from the pigsty can be directly discharged outward through the first one-way valve 4.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An air filtration structure suitable for pigsties in cold regions, comprising a mounting frame (1), characterized in that, The inner wall of the mounting frame (1) is fixed with a set of partitions (10). An array of exhaust ports (9) is opened on one side of the outer wall of the mounting frame (1). An array of air inlets (12) is opened on one side of the outer wall of the partitions (10). A first one-way valve (4) is installed on the inner wall of the exhaust port (9). A second one-way valve (11) is installed on the inner wall of the air inlet (12).

2. The air filtration structure suitable for pigsties in cold regions according to claim 1, characterized in that, The mounting frame (1) has a through groove on one side of its outer wall, and an air guide channel (5) is fixed on the inner wall of the through groove.

3. The air filtration structure suitable for pigsties in cold regions according to claim 2, characterized in that, The mounting frame (1) has primary filters (2) installed on the inner walls of both ends.

4. An air filtration structure suitable for pigsties in cold regions according to claim 3, characterized in that, A sub-high efficiency air filter (6) is provided on one side of the primary filter (2), and the sub-high efficiency air filter (6) is inserted into the inner wall of both ends of the mounting frame (1).

5. An air filtration structure suitable for pigsties in cold regions according to claim 4, characterized in that, Limit rings (7) are fixed to the inner walls of both ends of the mounting frame (1).

6. An air filtration structure suitable for pigsties in cold regions according to claim 5, characterized in that, The mounting frame (1) has support legs (3) fixed at the four corners of its bottom.

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