Granary air conditioner with closed box structure

Abstract

The utility model provides a granary air conditioner with a closed box structure, relates to the technical field of granary air conditioners, and aims to solve the technical problems of waste and environmental pollution caused by leakage of a cooling air conditioning unit in the prior art. A granary air conditioner with a closed box structure comprises a box body, an access cover plate, an air conditioner air feeder, an air conditioner heat exchanger, a sealing gasket and a fixing assembly, a containing cavity with an opening in the upper end is formed in the box body, the sealing gasket is connected to the upper end of the box body, the access cover plate is connected to the upper end of the box body through the fixing assembly, and the sealing gasket is located between the upper end of the box body and the access cover plate. An air inlet and an air outlet are formed in the two opposite side walls of the box body correspondingly. An air conditioner heat exchanger and an air conditioner air feeder are sequentially connected into the containing cavity in the direction from the air inlet to the air outlet. Leakage of gas in the box body can be reduced, waste is reduced, and pollution to the environment caused by leakage of a large amount of poisonous gas can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of granary air conditioners, in particular to a granary air conditioner with a closed box structure. Background Art

[0002] Nitrogen controlled atmosphere grain storage does not require as high airtightness as carbon dioxide controlled atmosphere storage. Nitrogen gas storage is readily available, directly utilizing air separation, resulting in zero raw material costs. Nitrogen storage equipment and nitrogen filling procedures are relatively simple to operate. In terms of safety precautions, nitrogen poses less severe a threat to the human body than carbon dioxide. Therefore, nitrogen controlled atmosphere grain storage is a safe, low-cost, green grain storage technology with high operability and significant social and economic benefits. With the international community's increasing focus on environmental, energy, and health issues, nitrogen grain storage will gradually gain popularity and application, with broad prospects for application.

[0003] Nitrogen-storage grain silos, using conventional cooling air conditioning units, require large, continuous nitrogen injections. During this process, significant amounts of nitrogen leak from the air conditioning units, resulting in nitrogen waste. Furthermore, phosphine is a widely used fumigant. Its high toxicity, low molecular weight, low boiling point, ease of dissipation, and lack of residual residue make it a top choice for pest control in grain storage facilities. However, phosphine is corrosive to copper and copper alloys, necessitating careful protection of copper-containing equipment before fumigation. New fumigants, such as sulfuryl fluoride, are emerging as promising alternatives to methyl bromide due to their high efficiency, safety, and ease of use. Sulfuryl fluoride not only rapidly eliminates adult insects but is also suitable for pest and fungal control in a variety of settings, including warehouses and cargo ships. Highly toxic gases like phosphine can also easily leak from air conditioning units, contaminating the environment. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a granary air conditioner with a closed box structure to solve the technical problems in the existing technology that the cooling air conditioning unit is prone to waste and environmental pollution due to leakage.

[0005] In order to solve the above technical problems, the utility model provides a granary air conditioner with a closed box structure, including a box body, an inspection cover, an air-conditioning blower, an air-conditioning heat exchanger, a sealing gasket and a fixing assembly. A accommodating cavity with an upper opening is provided in the box body, the sealing gasket is connected to the upper end of the box body, the inspection cover is connected to the upper end of the box body through a fixing assembly and the sealing gasket is located between the upper end of the box body and the inspection cover plate, and an air inlet and an air outlet are respectively provided on two opposite side walls of the box body, and the air-conditioning heat exchanger and the air-conditioning blower are connected in sequence in the accommodating cavity from the air inlet to the air outlet.

[0006] After adopting the above structure, the utility model of a granary air conditioner with a closed box structure has the following advantages: the air inlet and the air outlet of the granary air conditioner are connected to the granary to form a gas circulation. When the granary is in a nitrogen or other gas storage state, the air-conditioning heat exchanger and the air-conditioning blower in the granary air conditioner are turned on to send out cold air. In this process, in order to avoid or reduce gas leakage, a sealing gasket is arranged between the inspection cover and the box body to improve the sealing performance, thereby reducing the leakage of gas in the box body, reducing waste and preventing large amounts of toxic gas from leaking and polluting the environment.

[0007] As an improvement, an annular flange is provided at the upper end of the box body, and the fixing assembly includes a screw and a nut. The screw passes through the inspection cover, the sealing gasket and the flange portion in sequence from top to bottom and is threadedly connected to the nut. With this structure, the sealing gasket is fixed between the inspection cover and the flange portion by arranging the flange portion, the screw and the nut, thereby improving the stability and sealing of the structural connection.

[0008] As an improvement, the fixing assembly also includes a gasket, which is sleeved on the screw and located between the screw head and the inspection cover and between the nut and the flange. With this structure, the contact area is increased by the gasket, the stability of the connection is improved, and at the same time, damage to the inspection cover and the flange is prevented during the connection between the screw and the nut.

[0009] As an improvement, the connecting pipe of the air conditioner heat exchanger passes through the box body and is exposed outside the box body, and the connecting pipe and the box body are sealed by glue; this structure improves the sealing performance and prevents gas leakage from causing waste and environmental pollution.

[0010] As an improvement, a sleeve is provided on the outer side wall of the box body, and the connecting pipe is exposed outside the box body through the sleeve. The connecting pipe and the sleeve are sealed by glue; this structure further improves the sealing performance.

[0011] As an improvement, the power cord of the air conditioner blower passes through the box and is exposed outside the box, and the power cord and the box are sealed with glue; this structure improves the sealing performance and prevents gas leakage from causing waste and environmental pollution.

[0012] As an improvement, two opposite side walls of the box body are respectively provided with through holes, and two opposite outer walls of the box body are respectively provided with annular protrusions along the edges of the through holes to form an air inlet and an air outlet.

[0013] As an improvement, the box body and the inspection cover are both made of PPR plastic; this structure improves the sealing of the box body itself and between the box body and the inspection cover, preventing gas leakage from causing waste and environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional view of the present utility model.

[0015] Figure 2 for Figure 1 A partial enlarged view of part A in the middle.

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the box part in the utility model.

[0017] Figure 4 It is a top view of the box body part in the utility model.

[0018] Figure 5 It is a structural schematic diagram of the sealing gasket in the utility model.

[0019] Figure numerals: 1. Box body; 2. Inspection cover; 3. Air-conditioning blower; 4. Air-conditioning heat exchanger; 5. Sealing gasket; 6. Fixing assembly; 61. Screw; 62. Nut; 63. Gasket; 7. Accommodating chamber; 8. Air inlet; 9. Air outlet; 10. Flange; 11. Connecting pipe; 12. Sleeve; 13. Protrusion. DETAILED DESCRIPTION

[0020] The granary air conditioner with a closed box structure of the utility model is described in detail below with reference to the accompanying drawings.

[0021] like Figures 1 to 5 As shown, a granary air conditioner with a closed box structure includes a box body 1, an inspection cover 2, an air-conditioning blower 3, an air-conditioning heat exchanger 4, a sealing gasket 5 and a fixing assembly 6. A accommodating cavity 7 with an upper end opening is provided in the box body 1, the sealing gasket 5 is connected to the upper end of the box body 1, the inspection cover 2 is connected to the upper end of the box body 1 through the fixing assembly 6, and the sealing gasket 5 is located between the upper end of the box body 1 and the inspection cover 2.

[0022] like Figure 1 and Figure 2 As shown, the upper end of the box body 1 is provided with an annular flange portion 10, and the fixing assembly 6 includes a screw 61 and a nut 62. The screw 61 passes through the inspection cover 2, the sealing gasket 5 and the flange portion 10 from top to bottom and is threadedly connected with the nut 62; the flange portion 10 is a rectangular frame structure, as shown Figure 5 As shown, the sealing gasket 5 also has a rectangular frame structure and is connected to the flange portion 10. In this embodiment, the sealing gasket 5 is made of silicone material and has a thickness of 3 mm.

[0023] like Figure 2 As shown, the fixing assembly 6 also includes a gasket 63 . There are two gaskets 63 in each set of fixing assemblies 6 . The gasket 63 is sleeved on the screw 61 and is located between the head of the screw 61 and the inspection cover 2 and between the nut 62 and the flange portion 10 .

[0024] In addition, the box body 1 and the inspection cover 2 are both made of PPR plastic to improve the sealing performance.

[0025] like Figure 1As shown, an air inlet 8 and an air outlet 9 are respectively provided on two opposite side walls of the box body 1. Specifically, a through hole is respectively provided on the two opposite side walls of the box body 1, and an annular protrusion 13 is respectively provided along the edge of the through hole on the two opposite outer walls of the box body 1 to form the air inlet 8 and the air outlet 9; taking this embodiment as an example, through holes are respectively provided on the left and right side walls of the box body 1, and protrusions 13 surrounding the through holes are respectively provided on the left and right outer side walls of the box body 1, the through holes are circular, and the protrusions 13 are circular, wherein the left side is the air outlet 9 and the right side is the air inlet 8.

[0026] like Figure 1 、 Figure 3 、 Figure 4 As shown, the air conditioning heat exchanger 4 and the air conditioning blower 3 are connected in sequence in the accommodating cavity 7 from the air inlet 8 to the air outlet 9. The specific structures of the air conditioning heat exchanger 4 and the air conditioning blower 3 are existing technologies and will not be repeated here.

[0027] like Figure 3 As shown, the connecting pipe 11 of the air-conditioning heat exchanger 4 passes through the box body 1 and is exposed outside the box body 1, and the connecting pipe 11 and the box body 1 are sealed by glue; specifically, a sleeve 12 is provided on the outer wall of the box body 1, and the connecting pipe 11 is exposed outside the box body 1 through the sleeve 12, and the connecting pipe 11 and the sleeve 12 are sealed by glue, and the sleeve 12 is also made of PPR plastic.

[0028] Similarly, the power cord of the air-conditioning blower 3 passes through the box body 1 and is exposed outside the box body 1, and the power cord and the box body 1 are sealed by glue; in this embodiment, 704 glue is used as the glue.

[0029] The utility model is first subjected to a sealing test before use, that is, the air inlet 8 and the air outlet 9 are blocked by a plug, and air is inflated into the box body 1 so that the internal air pressure of the box body 1 reaches 500 Pa. Then, it is detected whether the time required for the internal air pressure of the box body 1 to drop to 250 Pa is greater than 30 minutes. If so, the air tightness is qualified, otherwise, it is unqualified.

[0030] The air inlet 8 and the air outlet 9 of the utility model are connected to the granary to form a gas circulation. When the granary is in a nitrogen or other gas storage state, the air-conditioning heat exchanger 4 and the air-conditioning blower 3 in the granary air conditioner are turned on to send out cold air. In this process, in order to avoid or reduce gas leakage, a sealing gasket 5 is provided between the inspection cover 2 and the box body 1 to improve the sealing performance. In addition, glue is also used to seal the connecting pipe 11 and the sleeve 12, as well as the power cord and the box body 1. The box body 1, the inspection cover 2 and the sleeve 12 are all made of PPR plastic, thereby reducing the leakage of gas in the box body 1, reducing waste and preventing large amounts of toxic gas from leaking and polluting the environment.

[0031] The above describes the implementation mode of the present invention in detail with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned implementation mode. All other embodiments obtained by those skilled in the art without making any creative work shall fall within the scope of protection of the present invention.

Claims

1. A granary air conditioner with a closed box structure, characterized in that: The invention comprises a box body (1), an inspection cover (2), an air-conditioning blower (3), an air-conditioning heat exchanger (4), a sealing gasket (5) and a fixing assembly (6); the box body (1) is provided with a receiving cavity (7) with an upper end opening, the sealing gasket (5) is connected to the upper end of the box body (1), the inspection cover (2) is connected to the upper end of the box body (1) through the fixing assembly (6), and the sealing gasket (5) is located between the upper end of the box body (1) and the inspection cover (2); an air inlet (8) and an air outlet (9) are respectively provided on two opposite side walls of the box body (1); the air-conditioning heat exchanger (4) and the air-conditioning blower (3) are connected in sequence in the receiving cavity (7) from the air inlet (8) to the air outlet (9).

2. The granary air conditioner with a closed box structure according to claim 1, characterized in that: An annular flange portion (10) is provided at the upper end of the box body (1), and the fixing assembly (6) includes a screw (61) and a nut (62). The screw (61) passes through the inspection cover (2), the sealing gasket (5) and the flange portion (10) in sequence from top to bottom and is then threadedly connected to the nut (62).

3. The granary air conditioner with a closed box structure according to claim 2, characterized in that: The fixing assembly (6) further includes a gasket (63), which is sleeved on the screw (61) and located between the head of the screw (61) and the inspection cover (2), and between the nut (62) and the flange (10).

4. The granary air conditioner with a closed box structure according to claim 1, characterized in that: The connecting pipe (11) of the air-conditioning heat exchanger (4) passes through the box body (1) and is exposed outside the box body (1), and the connecting pipe (11) and the box body (1) are sealed by glue.

5. The granary air conditioner with a closed box structure according to claim 4, characterized in that: The outer wall of the box body (1) is provided with a sleeve (12), the connecting pipe (11) is exposed outside the box body (1) through the sleeve (12), and the connecting pipe (11) and the sleeve (12) are sealed by the glue.

6. The granary air conditioner with a closed box structure according to claim 1, characterized in that: The power cord of the air-conditioning blower (3) passes through the box (1) and is exposed outside the box (1), and the power cord and the box (1) are sealed by glue.

7. The granary air conditioner with a closed box structure according to claim 1, characterized in that: Two opposite side walls of the box body (1) are respectively provided with through holes, and two opposite outer walls of the box body (1) are respectively provided with annular protrusions (13) along the edges of the through holes to form the air inlet (8) and the air outlet (9).

8. The granary air conditioner with a closed box structure according to claim 1, characterized in that: The box body (1) and the inspection cover (2) are both made of PPR plastic.

Images