Ventilation fan for pig farm

Abstract

The pig farm ventilation fan comprises a ventilation duct shell, a first fixing frame is slidably connected to the interior of the ventilation duct shell, an activated carbon filter plate is fixedly connected to the inner surface of the first fixing frame, and a connecting rod is fixedly connected to the inner surface of the ventilation duct shell; the front surface of the connecting rod is fixedly connected with a fan, the right surface of the ventilation duct shell is fixedly connected with an air purification box shell, the rear surface of the air purification box shell is fixedly connected with a dustproof grid and a second fixing frame, and the inner surface of the second fixing frame is fixedly connected with a hollow net face column. A plurality of air holes are formed in the hollow net face column, part of unpleasant smells of the pig farm can be filtered through an activated carbon filter plate, then odor in the exhausted smells is covered through aromatic particles emitted by a solid air freshener in the hollow net face column, and the first fixing frame and the second fixing frame enter the pig farm in a sliding mode, so that the odor in the pig farm is effectively removed. And installation and replacement are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation fans, in particular to a ventilation fan for a pig farm. Background Art

[0002] Fans have a long history. Fans are machines that rely on input mechanical energy to increase gas pressure and discharge gas. They are a kind of driven fluid machinery. Fans are widely used in ventilation of factories, mines, tunnels, cooling towers, vehicles, ships and buildings.

[0003] Since there is a lot of animal manure in pig farms and the smell is relatively unpleasant, the current pig farm ventilation fans do not effectively treat the exhausted gas when exhausting. Most of them only use activated carbon filtration, but the activated carbon cannot completely filter and some odors will be discharged into the external environment through the ventilation fans, affecting the air environment of surrounding residents. After searching, it was found that the technical solution provided by the utility model with application number CN202223386306.4 also has the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a ventilation fan for a pig farm, which can filter the unpleasant odor of some pig farms through an activated carbon filter plate, and then cover up the bad smell in the discharged odor through the aromatic particles emitted by the solid air freshener in the hollow mesh column, and the first fixed frame and the second fixed frame are entered by sliding, which is convenient for installation and replacement.

[0005] The utility model also provides a pig farm ventilation fan having the above-mentioned ventilation duct shell, wherein a first fixing frame is slidably connected to the interior of the ventilation duct shell, an activated carbon filter plate is fixedly connected to the inner surface of the first fixing frame, a first roller is rollingly connected to the outer surface of the first fixing frame, a first bearing is rotatably connected to the inner surface of the first roller, a connecting rod is fixedly connected to the inner surface of the ventilation duct shell, and a fan is fixedly connected to the front surface of the connecting rod;

[0006] The right surface of the ventilation duct shell is fixedly connected to the air purification box shell, the front surface of the air purification box shell is fixedly connected to the fixed sleeve, the inner surface of the fixed sleeve is slidably connected to the limit hook, the right surface of the limit hook is fixedly connected to the spring, and the rear surface of the air purification box shell is fixedly connected to the dustproof grille;

[0007] A second fixed frame, the inner surface of the second fixed frame is fixedly connected to a hollow mesh column, a plurality of air holes are arranged inside the hollow mesh column, the front surface of the second fixed frame is fixedly connected to a second connecting column, the front surface of the second connecting column is fixedly connected to a second handle, the lower surface of the second fixed frame is rollingly connected to a second roller, and the inner surface of the second roller is rotatably connected to a second bearing.

[0008] According to the pig farm ventilation fan, a rectangular groove is provided inside the ventilation duct shell, and the inner surface of the rectangular groove is fixedly connected to the first bearing.

[0009] According to the pig farm ventilation fan, one end of the spring away from the limiting hook is fixedly connected to a fixed sleeve, and the number of the fixed sleeves is two and they are distributed on the left and right.

[0010] According to the pig farm ventilation fan, the outer surface of the second fixed frame is provided with limiting holes, the number of the limiting holes is two and they are distributed on the left and right, the limiting holes are adapted to the limiting hooks, and are used to limit the second fixed frame to prevent it from sliding after insertion.

[0011] According to the pig farm ventilation fan, a slide groove is provided inside the air purification box shell, and the inner surface of the slide groove is slidably connected to the second fixing frame for facilitating the insertion of the second fixing frame.

[0012] According to the pig farm ventilation fan, the outer surface of the limit hook is slidably connected to the second fixed frame, and the number of the limit hooks is two and they are distributed on the left and right.

[0013] According to the pig farm ventilation fan, two first connecting columns are fixedly connected to the upper surface of the first fixing frame, and the same first handle is fixedly connected between the two first connecting columns for facilitating the removal and insertion of the first fixing frame.

[0014] According to the pig farm ventilation fan, the fan is electrically connected to an external power supply.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the overall structure of a ventilation fan for a pig farm according to the utility model;

[0018] Figure 2 The utility model is a kind of ventilation fan for pig farm Figure 1 A schematic diagram of the structure enlargement at point A;

[0019] Figure 3 This is a cross-sectional view of the ventilation duct housing structure of a ventilation fan for a pig farm according to the utility model;

[0020] Figure 4 This is a cross-sectional view of the shell structure of an air purification box of a pig farm ventilation fan according to the utility model;

[0021] Figure 5 The utility model is a kind of ventilation fan for pig farm Figure 4 Schematic diagram of the enlarged structure at point B in FIG.

[0022] Legend:

[0023] 1. Ventilation duct shell; 2. First fixed frame; 3. Activated carbon filter plate; 4. First bearing; 5. First roller; 6. First connecting column; 7. First handle; 8. Connecting rod; 9. Air purification box shell; 10. Fixed sleeve; 11. Limiting hook; 12. Spring; 13. Second fixed frame; 14. Second connecting column; 15. Second handle; 16. Hollow mesh column; 17. Air vent; 18. Dustproof grille; 19. Second bearing; 20. Second roller; 21. Limiting hole; 22. Slide; 23. Fan. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-5 The utility model embodiment is a pig farm ventilation fan, which includes a ventilation duct shell 1, a first fixed frame 2 is slidably connected inside the ventilation duct shell 1, an activated carbon filter plate 3 is fixedly connected to the inner surface of the first fixed frame 2, a first roller 5 is rollingly connected to the outer surface of the first fixed frame 2, and a first bearing 4 is rotatably connected to the inner surface of the first roller 5, a rectangular groove is arranged inside the air duct shell 1, and the inner surface of the rectangular groove is fixedly connected to the first bearing 4, a connecting rod 8 is fixedly connected to the inner surface of the ventilation duct shell 1, and a fan 23 is fixedly connected to the front surface of the connecting rod 8, and the fan 23 is electrically connected to an external power supply, and two first connecting columns 6 are fixedly connected to the upper surface of the first fixed frame 2, and the same first handle 7 is fixedly connected between the two first connecting columns 6.

[0026] The right surface of the ventilation duct shell 1 is fixedly connected to the air purification box shell 9, the front surface of the air purification box shell 9 is fixedly connected to the fixed sleeve 10, the inner surface of the fixed sleeve 10 is slidably connected to the limiting hook 11, the right surface of the limiting hook 11 is fixedly connected to the spring 12, the end of the spring 12 away from the limiting hook 11 is fixedly connected to the fixed sleeve 10, the number of fixed sleeves 10 is two and they are distributed on the left and right, and the rear surface of the air purification box shell 9 is fixedly connected to the dustproof grille 18.

[0027] A second fixed frame 13, the inner surface of the second fixed frame 13 is fixedly connected with a hollow mesh column 16, and a plurality of air holes 17 are arranged inside the hollow mesh column 16, the front surface of the second fixed frame 13 is fixedly connected with a second connecting column 14, and the front surface of the second connecting column 14 is fixedly connected with a second handle 15, the lower surface of the second fixed frame 13 is rollingly connected with a second roller 20, and the inner surface of the second roller 20 is rotatably connected with a second bearing 19, and the outer surface of the second fixed frame 13 is provided with limiting holes 21, and the number of the limiting holes 21 is two and they are distributed on the left and right, and the limiting holes 21 are adapted to the limiting hooks 11, and the interior of the air purification box shell 9 is provided with a slide groove 22, and the inner surface of the slide groove 22 is slidably connected with the second fixed frame 13, and the outer surface of the limiting hook 11 is slidably connected with the second fixed frame 13, and the number of the limiting hooks 11 is two and they are distributed on the left and right.

[0028] Working principle: Start the fan 23, the air from the pig farm enters the ventilation duct housing 1 through the activated carbon filter plate 3, and most of the harmful exhaust gas is absorbed by the activated carbon filter plate 3. The solid air freshener particles in the hollow mesh column 16 are slowly released from the air holes 17, and after mixing with the air passing through the activated carbon filter plate 3, the unpleasant odor is reduced and covered, thereby filtering and deodorizing. When replacing or installing the first fixing frame 2 and the second fixing frame 13, hold the first handle 7, insert the first fixing frame 2 into the ventilation duct housing 1 along the rectangular groove, and then the second fixing frame 13 is replaced or installed. The outer surface of a roller 5 rotates along the first fixed frame 2, and the first fixed frame 2 is slowly placed into the interior of the ventilation duct shell 1, and then the two limit hooks 11 are pulled outward, and the second handle 15 is held to pull the second fixed frame 13 outward, and solid air freshener is re-added into the hollow mesh column 16, and then the second fixed frame 13 is reinserted into the interior of the air purification box shell 9, and the limit hooks 11 and the limit holes 21 are locked to prevent the second fixed frame 13 from loosening, thereby realizing convenient installation and replacement of the first fixed frame 2 and the second fixed frame 13.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A pig farm ventilation fan, characterized in that: include: A ventilation duct housing (1), wherein a first fixed frame (2) is slidably connected to the interior of the ventilation duct housing (1), an activated carbon filter plate (3) is fixedly connected to the inner surface of the first fixed frame (2), a first roller (5) is rollingly connected to the outer surface of the first fixed frame (2), a first bearing (4) is rotatably connected to the inner surface of the first roller (5), a connecting rod (8) is fixedly connected to the inner surface of the ventilation duct housing (1), and a fan (23) is fixedly connected to the front surface of the connecting rod (8); The right surface of the ventilation duct shell (1) is fixedly connected to an air purification box shell (9), the front surface of the air purification box shell (9) is fixedly connected to a fixed sleeve (10), the inner surface of the fixed sleeve (10) is slidably connected to a limit hook (11), the right surface of the limit hook (11) is fixedly connected to a spring (12), and the rear surface of the air purification box shell (9) is fixedly connected to a dustproof grille (18); A second fixed frame (13), the inner surface of the second fixed frame (13) is fixedly connected to a hollow mesh column (16), a plurality of air holes (17) are arranged inside the hollow mesh column (16), the front surface of the second fixed frame (13) is fixedly connected to a second connecting column (14), the front surface of the second connecting column (14) is fixedly connected to a second handle (15), the lower surface of the second fixed frame (13) is rollingly connected to a second roller (20), and the inner surface of the second roller (20) is rotatably connected to a second bearing (19).

2. A pig farm ventilation fan according to claim 1, characterized in that: A rectangular groove is provided inside the ventilation duct housing (1), and the inner surface of the rectangular groove is fixedly connected to the first bearing (4).

3. A pig farm ventilation fan according to claim 1, characterized in that: One end of the spring (12) away from the limiting hook (11) is fixedly connected to a fixing sleeve (10), and the number of the fixing sleeves (10) is two and they are distributed on the left and right.

4. A pig farm ventilation fan according to claim 1, characterized in that: The outer surface of the second fixing frame (13) is provided with limiting holes (21), the number of the limiting holes (21) is two and they are distributed on the left and right, and the limiting holes (21) are compatible with the limiting hooks (11).

5. The pig farm ventilation fan according to claim 1, characterized in that: A slide groove (22) is provided inside the air purification box shell (9), and the inner surface of the slide groove (22) is slidably connected to the second fixing frame (13).

6. A pig farm ventilation fan according to claim 1, characterized in that: The outer surface of the limiting hook (11) is slidably connected to the second fixing frame (13), and the number of the limiting hooks (11) is two and they are distributed on the left and right.

7. The pig farm ventilation fan according to claim 1, characterized in that: Two first connection columns (6) are fixedly connected to the upper surface of the first fixing frame (2), and a first handle (7) is fixedly connected between the two first connection columns (6).

8. The pig farm ventilation fan according to claim 1, characterized in that: The fan (23) is electrically connected to an external power source.

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