Novel granary air conditioning unit for cooling grain surface

Abstract

The utility model discloses a novel granary air-conditioning unit for grain surface cooling. The novel granary air-conditioning unit comprises an air-conditioning host and a pipeline system communicated with the air-conditioning host and the inside of a granary, the air conditioner main machine comprises a machine body, an evaporator, an air supply fan, a condenser and a circulation module. A ventilation chamber is formed in one side in the machine body, an air supply chamber is formed in the upper portion of the other side in the machine body, and an air treatment chamber communicated with the air supply chamber is formed in the lower portion of the other side in the machine body. A third shell plate communicated with the air supply chamber through an air outlet is arranged at the upper part of the rear end of the machine body; a fourth shell plate communicated with the air treatment chamber through an air inlet is arranged at the lower part of the rear end of the machine body; the evaporator is obliquely mounted in the air treatment chamber; the air supply fan is arranged in the air supply chamber and supplies air towards the air outlet; the condenser is arranged in the ventilation chamber; the circulation module is arranged in the ventilation chamber and the air treatment chamber, and the condenser communicates with the evaporator. According to the utility model, the lateral installation space is less.

Description

Technical Field

[0001] The utility model relates to the technical field of granary air-conditioning units, in particular to a novel granary air-conditioning unit for cooling grain surfaces. Background Art

[0002] Grain depots are characterized by large floor space, specialized support equipment, and high operating costs. Because grain contains a high amount of moisture, microorganisms thrive under suitable temperatures, causing the grain to heat up easily. If heat is not dissipated properly, the grain can easily become stagnant, yellow, and eventually moldy and spoil.

[0003] To this end, granaries use granary air conditioning units to cool the grain and achieve safe storage of grain. Grain silo air conditioning units are divided into granary air conditioning units for cooling the grain surface and granary air conditioning units for cooling the grain pile. In existing granary air conditioning units for cooling the grain surface, the structure is generally that a ventilation chamber, an air handling chamber, and an air supply chamber are formed side by side inside the body, and an air inlet connected to the air handling chamber and an air outlet connected to the air supply chamber are provided on the top or back of the body. A partition is provided between the ventilation chamber and the air handling chamber, and the air handling chamber is connected to the air supply chamber. A condenser is installed in the air handling chamber, an evaporator is installed in the air handling chamber, and an air supply fan is installed in the air supply chamber. The air in the granary is input from the air inlet to the air handling chamber. After being cooled by the evaporator, the air is sent back to the granary from the air outlet driven by the air supply fan and supplied to the grain surface. However, the grain silo air conditioning unit for cooling the grain surface, in which the ventilation chamber, the air handling chamber and the air supply chamber are arranged side by side inside the machine body, requires more lateral installation space. Utility Model Content

[0004] The utility model aims to provide a novel grain silo air-conditioning unit which requires less lateral installation space and is used for cooling grain surfaces.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A novel grain silo air conditioning unit for cooling grain surface comprises an air conditioning main unit mounted outside the silo and a piping system connecting the air conditioning main unit with the interior of the silo; the air conditioning main unit comprises a body, an evaporator, an air supply fan, a condenser, and a circulation module; the body comprises a ventilation chamber formed on one side thereof, an air supply chamber formed at the upper portion of the other side thereof, an air handling chamber connected to the air supply chamber formed at the lower portion of the other side thereof, and a partition plate vertically provided between the two sides; a third shell plate connected to the air supply chamber via an air outlet is provided at the upper portion of the rear end of the body at the side where the air supply chamber and the air handling chamber are located, and a fourth shell plate connected to the air handling chamber via an air inlet is provided at the lower portion thereof;

[0007] The evaporator is installed obliquely in the air handling chamber, with its top abutting against the area of ​​the inner wall of the fourth shell plate above the air inlet, and its bottom being located in an area on the bottom surface of the bottom plate of the machine body away from the air inlet, thereby forming a triangular space for airflow input; the air supply fan is arranged in the air supply chamber to supply air toward the air outlet, so that, driven by the air supply fan, airflow is input from the air inlet, passes through the evaporator, and is output from the air outlet; the condenser is arranged in the ventilation chamber; the circulation module is arranged in the ventilation chamber and the air handling chamber, connecting the condenser and the evaporator, thereby forming a circulation system capable of cooling the air;

[0008] The piping system includes an air supply pipe connecting the air outlet and the interior of the granary and an air return pipe connecting the air inlet and the interior of the granary. The end of the air supply pipe entering the interior of the granary and the end of the air return pipe entering the interior are arranged opposite to each other, one above and one below.

[0009] As a further technical solution of the present invention: the machine body is provided with a top plate at the top for covering the ventilation chamber and the air supply chamber, and a bottom plate at the bottom for covering the ventilation chamber and the air handling chamber.

[0010] As a further technical solution of the present invention: the body is provided with a breathable mesh plate at the side and rear end of the side where the breathable chamber is located, for connecting the breathable chamber to the outside, and a first shell plate is provided at the front end of the side to drive the condensing fan to dissipate heat from the breathable chamber to the outside.

[0011] As a further technical solution of the present invention: the machine body is provided with a second shell plate facing the air supply chamber and the air treatment chamber at the front end and the side surface of the side where the air supply chamber and the air treatment chamber are located.

[0012] As a further technical solution of the present invention: the condenser is L-shaped and is arranged along two breathable mesh plates so as to cooperate with the condensing fan to achieve forced heat exchange.

[0013] As a further technical solution of the present invention: the circulation module includes an upper circulation pipe group connecting the output end of the evaporator and the input end of the condenser, and a lower circulation pipe group connecting the output end of the condenser and the input end of the evaporator, the upper circulation pipe group is provided with a gas-liquid separator and a compressor therein; the lower circulation pipe group is provided with a liquid reservoir, a drying filter, a sight glass and an expansion valve therein.

[0014] As a further technical solution of the present invention: a nozzle is installed at one end of the air supply pipe that penetrates into the granary.

[0015] As a further technical solution of the present invention: a filter is installed at one end of the return air duct that penetrates the interior, and the filter is a nylon filter or a metal filter.

[0016] Compared with the existing technology, the beneficial effects of the present invention are: the present invention proposes a new type of grain silo air-conditioning unit for cooling grain surface. Through the cooperation between the air-conditioning main unit and the piping system, the air that needs to be cooled is input from the return air duct into the air-conditioning main unit. Driven by the supply air fan, the air flow formed is input from the air inlet, and after penetrating the evaporator for cooling, it is output from the air outlet to the supply air duct, and is sent into the granary through the supply air duct to cool the grain surface. In addition, its structure requires less lateral installation space. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the refrigeration cycle schematic of the new type of grain silo air conditioning unit used to cool grain surface.

[0018] Figure 2 This is a first-person overall view of the air-conditioning main unit of a new type of grain silo air-conditioning unit for cooling grain surface.

[0019] Figure 3 This is a second-angle overall view of the air-conditioning main unit of a new type of grain silo air-conditioning unit for cooling grain surface.

[0020] Figure 4 This is the installation diagram of the evaporator, air supply fan and condenser in the body of the new grain silo air conditioning unit for cooling grain surface.

[0021] Figure 5 This is a diagram showing the usage status of a new type of grain silo air-conditioning unit used to cool grain surface. DETAILED DESCRIPTION

[0022] The following is a detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the scope of protection of the present invention.

[0023] See also Figure 1-Figure 5 A novel grain silo air-conditioning unit for cooling grain surface comprises an air-conditioning main unit 10 installed outside the silo and a pipe system 20 connecting the air-conditioning main unit 10 with the interior of the silo;

[0024] The air conditioner main unit 10 includes a body 11, an evaporator 12, an air supply fan 13, a condenser 14 and a circulation module 15;

[0025] The housing 11 has a ventilation chamber 111 formed on one side thereof, a blower chamber 112 formed on the upper portion of the other side thereof, an air handling chamber 113 communicating with the blower chamber 112 formed on the lower portion of the other side thereof, and a partition plate 101 vertically provided between the two sides.

[0026] The body 11 is provided with a top plate 31 at its top for covering the ventilation chamber 111 and the air supply chamber 112, and a bottom plate 32 at its bottom for covering the ventilation chamber 111 and the air handling chamber 113.

[0027] The housing 11 is provided with a ventilation mesh panel 33 on the side and rear end of the side where the ventilation chamber 111 is located, allowing the ventilation chamber 111 to communicate with the outside. A first shell plate 34 is provided at the front end of the side to dissipate heat from the ventilation chamber 111 to the outside driven by a condensing fan 141.

[0028] The housing 11 has a second cover plate 35 at the front and side of the side where the air supply chamber 112 and the air handling chamber 113 are located, which covers the air supply chamber 112 and the air handling chamber 113. At the rear end of the same side, a third cover plate 36 is provided at the top, which communicates with the air supply chamber 112 via the air outlet 102, and a fourth cover plate 37 is provided at the bottom, which communicates with the air handling chamber 113 via the air inlet 103.

[0029] The evaporator 12 is installed obliquely within the air handling chamber 113, with its top abutting against the inner wall of the fourth shell plate 37 of the housing 11 above the air inlet 103, and its bottom located on the bottom surface of the bottom plate 32 of the housing 11, away from the air inlet 103, thereby forming a triangular space for airflow input. The air supply fan 13 is installed within the air supply chamber 112 to supply air toward the air outlet 102. Driven by the air supply fan 13, airflow is input from the air inlet 103, passes through the evaporator 12, and is output from the air outlet 102.

[0030] The condenser 14 is disposed in the ventilation chamber 111; the circulation module 15 is disposed in the ventilation chamber 111 and the air treatment chamber 113, connecting the condenser 14 with the evaporator 12 to form a circulation system capable of cooling;

[0031] The piping system 20 includes an air supply pipe 21 connecting the air outlet 102 with the interior of the granary and a return air pipe 22 connecting the air inlet 103 with the interior of the granary. The end of the air supply pipe 21 entering the interior of the granary and the end of the return air pipe 22 entering the interior are arranged one above and one below each other, and the end of the air supply pipe 21 entering the interior of the granary is equipped with a nozzle 211, and the end of the return air pipe 22 entering the interior is equipped with a filter 221.

[0032] Furthermore, the condenser 14 is L-shaped and is arranged along two breathable mesh panels to facilitate cooperation with the condensing fan 141 to achieve forced heat exchange.

[0033] Furthermore, in this embodiment, the circulation module 15 includes an upper circulation pipe group 151 connecting the output end of the evaporator 12 and the input end of the condenser 14, and a lower circulation pipe group 152 connecting the output end of the condenser 14 and the input end of the evaporator 12. The upper circulation pipe group 151 is provided with a gas-liquid separator 41 and a compressor 42 therein; the lower circulation pipe group 152 is provided with a liquid reservoir 43, a drying filter 44, a sight glass 45 and an expansion valve 46 therein.

[0034] Furthermore, in this embodiment, the upper circulation pipeline group 151 is provided with a low pressure gauge 301 and a low pressure controller 302 on the pipeline connecting the gas-liquid separator 41 and the evaporator 12 .

[0035] Furthermore, in this embodiment, the upper circulation pipeline group 151 is provided with a high pressure controller 303 and a high pressure gauge 304 on the pipeline connecting the compressor 42 and the condenser 14 .

[0036] Furthermore, in this embodiment, the filter 221 includes but is not limited to a nylon filter and a metal filter.

[0037] Furthermore, in this embodiment, the evaporator 12 is an aluminum tube evaporator, a copper tube evaporator with an anti-corrosion coating surface treatment, or an evaporator made of other non-copper and non-aluminum tubes, such as a stainless steel tube.

[0038] Furthermore, in this embodiment, the air supply fan 13 can use different fans according to different anti-fumigation requirements. Specifically, for those with low anti-fumigation requirements, a fully enclosed fan with IP54 or above can be used; for those with high anti-fumigation requirements, a gas explosion-proof or dust explosion-proof fan can be used.

[0039] Furthermore, in this embodiment, the air conditioner main unit 10 is provided with a wall mounting bracket 104 at the bottom of the body 11 for wall mounting.

[0040] It can be understood that the refrigeration cycle process of the new type of grain silo air-conditioning unit for cooling grain surface in the utility model when supplying air to the grain surface is as follows: the compressor 42 compresses the low-temperature and low-pressure refrigerant gas into high-temperature and high-pressure gas, and the high-temperature and high-pressure gas enters the condenser 14, and is forced to exchange heat through the condensing fan 141 to take away the heat; the refrigerant enters the liquid storage tank 43, passes through the drying filter 44 and the sight glass 45 in turn, and is throttled by the expansion valve 46; the refrigerant becomes a low-temperature and low-pressure liquid, evaporates into gas in the evaporator 12, absorbs the heat of the air passing through the evaporator 12, and cools the air; after the low-temperature and low-pressure refrigerant passes through the gas-liquid separator 41, a small part of the refrigerant liquid is separated, and the refrigerant gas enters the compressor 42 for compression to complete a cycle.

[0041] To sum up, the utility model is a new type of granary air-conditioning unit for cooling grain surface. Through the cooperation between the air-conditioning main unit 10 and the piping system 20, the air that needs to be cooled is input from the return air duct 22 into the air-conditioning main unit 10. Driven by the supply fan 13, the air flow formed is input from the air inlet 103. After passing through the evaporator 12 for cooling, it is output from the air outlet 102 to the supply air duct 21, and is sent into the granary through the supply air duct 21 to cool the grain surface. In addition, its structure requires less lateral installation space.

[0042] As long as it does not violate the creative idea of ​​the present invention, any combination of various different embodiments of the present invention should be regarded as the content disclosed by the present invention; within the technical concept of the present invention, any simple modification of the technical solution and any combination of different embodiments that do not violate the creative idea of ​​the present invention should be within the protection scope of the present invention.

Claims

1. A new type of grain silo air conditioning unit for cooling grain surface, characterized by: The invention comprises an air conditioning main unit (10) installed outside a granary and a pipe system (20) connecting the air conditioning main unit (10) with the interior of the granary; the air conditioning main unit (10) comprises a body (11), an evaporator (12), an air supply fan (13), a condenser (14) and a circulation module (15); the body (11) is provided with an air permeable chamber (111) on one side thereof, an air supply chamber (112) formed on the upper part of the other side thereof, an air treatment chamber (113) connected to the air supply chamber (112) formed on the lower part of the other side thereof, and a partition plate (101) is vertically provided between the two sides; the body (11) is provided with a third shell plate (36) at the upper part of the rear end on the side where the air supply chamber (112) and the air treatment chamber (113) are located, which is connected to the air supply chamber (112) via an air outlet (102), and a fourth shell plate (37) at the lower part thereof, which is connected to the air treatment chamber (113) via an air inlet (103); The evaporator (12) is installed obliquely in the air handling chamber (113), with its top abutting against the area above the air inlet (103) of the inner wall of the fourth shell plate (37), and its bottom being arranged in an area of ​​the bottom surface of the bottom plate of the machine body (11) away from the air inlet (103), thereby forming a triangular space for airflow input; the air supply fan (13) is arranged in the air supply chamber (112) to supply air toward the air outlet (102), so that, driven by the air supply fan (13), airflow is input from the air inlet (103), passes through the evaporator (12), and is output from the air outlet (102); the condenser (14) is arranged in the air permeable chamber (111); the circulation module (15) is arranged in the air permeable chamber (111) and the air handling chamber (113), connecting the condenser (14) and the evaporator (12), thereby forming a circulation system capable of cooling; The piping system (20) comprises an air supply pipe (21) connecting the air outlet (102) with the interior of the granary and an air return pipe (22) connecting the air inlet (103) with the interior of the granary. The end of the air supply pipe (21) penetrating into the interior of the granary and the end of the air return pipe (22) penetrating into the interior are arranged opposite to each other in an upper and lower manner.

2. The novel grain silo air conditioning unit for cooling grain surface according to claim 1 is characterized in that: The machine body (11) is provided with a top plate (31) on the top for covering the air permeable chamber (111) and the air supply chamber (112), and a bottom plate (32) on the bottom for covering the air permeable chamber (111) and the air treatment chamber (113).

3. The novel grain silo air conditioning unit for cooling grain surface according to claim 1 is characterized in that: The body (11) is provided with a ventilation mesh plate (33) on the side and rear end of the side where the ventilation chamber (111) is located, for communicating the ventilation chamber (111) with the outside, and a first shell plate (34) is provided at the front end of the side for driving the ventilation chamber (111) to dissipate heat to the outside by a condensing fan (141).

4. The novel grain silo air conditioning unit for cooling grain surface according to claim 1 is characterized in that: The machine body (11) is provided with a second shell plate (35) facing the air supply chamber (112) and the air treatment chamber (113) at the front end and the side surface of the side where the air supply chamber (112) and the air treatment chamber (113) are located.

5. The novel grain silo air conditioning unit for cooling grain surface according to claim 3 is characterized by: The condenser (14) is L-shaped and is arranged along two air-permeable mesh plates so as to cooperate with the condensing fan (141) to achieve forced heat exchange.

6. The novel grain silo air conditioning unit for cooling grain surface according to claim 1 is characterized in that: The circulation module (15) comprises an upper circulation pipe group (151) connecting the output end of the evaporator (12) and the input end of the condenser (14), and a lower circulation pipe group (152) connecting the output end of the condenser (14) and the input end of the evaporator (12). The upper circulation pipe group (151) is provided with a gas-liquid separator (41) and a compressor (42) therein; and the lower circulation pipe group (152) is provided with a liquid storage device (43), a drying filter (44), a sight glass (45) and an expansion valve (46) therein.

7. The novel grain silo air conditioning unit for cooling grain surface according to claim 1 is characterized in that: One end of the air supply pipe (21) that penetrates into the interior of the granary is provided with a nozzle (211).

8. The novel grain silo air conditioning unit for cooling grain surface according to claim 1 is characterized in that: One end of the return air duct (22) that penetrates into the interior is provided with a filter screen (221), and the filter screen (221) is a nylon filter screen or a metal filter screen.

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