Improved granary air conditioning unit for grain surface cooling

Abstract

The utility model discloses an improved granary air conditioning unit for grain surface cooling. The improved granary air conditioning unit comprises an air conditioning host installed outside a granary and a pipeline system communicated with the air conditioning host and the interior of the granary. The air conditioner main machine comprises a machine body, an evaporator, an air supply fan, a condensation module and a circulation module. The machine body is divided into a ventilation chamber, and an air supply chamber and an air treatment chamber which are laterally arranged above the ventilation chamber side by side; an air outlet communicated with the air supply chamber and an air inlet communicated with the air treatment chamber are formed in a back plate or a side plate of the machine body; the evaporator is mounted in the air treatment chamber; the air supply fan is arranged in the air supply chamber in a manner of supplying air towards the air outlet, and airflow is input from the air inlet and output from the air outlet after penetrating through the evaporator under the driving of the air supply fan; the condensation module is arranged in the ventilation chamber; the circulation module is arranged in the ventilation chamber and the air treatment chamber, and the condensation module 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 grain depot air conditioning units, in particular to an improved grain depot air conditioning unit for cooling the grain surface. Background Art

[0002] Grain depots are characterized by large floor areas, strong particularity of guarantee equipment, and high operating costs. Due to the large original moisture content of grains, microorganisms therein will multiply in large numbers under suitable temperature conditions, making the grains prone to heat generation. If the heat dissipation is not smooth, it is easy to cause the grains to age and turn yellow, and then mildew and deteriorate.

[0003] Therefore, grain depots will use grain depot air conditioning units to cool the grains to achieve safe storage of the grains. Grain depot air conditioning units are divided into grain surface cooling grain depot air conditioning units and grain pile cooling grain depot air conditioning units. In the existing grain surface cooling grain depot air conditioning units, their structures are usually such that an air permeation chamber, an air treatment chamber, and a air supply chamber are formed side by side laterally inside the machine body, and an air inlet communicating with the air treatment chamber and an air outlet communicating with the air supply chamber are provided at the top or back of the machine body. A partition plate is provided between the air permeation chamber and the air treatment chamber, the air treatment chamber communicates with the air supply chamber, a condensation module is installed in the air permeation chamber, an evaporator is installed in the air treatment chamber, and an air supply fan is installed in the air supply chamber. The air in the grain depot is input from the air inlet into the air treatment chamber, and after being cooled by the evaporator, it is sent back into the grain depot from the air outlet under the drive of the air supply fan and supplied to the grain surface. However, such a grain surface cooling grain depot air conditioning unit with the air permeation chamber, the air treatment chamber, and the air supply chamber arranged side by side laterally inside the machine body requires a relatively large lateral installation space and has a relatively single style. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an improved grain depot air conditioning unit for cooling the grain surface with less requirement for lateral installation space and more diverse styles.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An improved grain depot air conditioning unit for cooling the grain surface includes an air conditioning main unit installed outside the grain depot and a pipeline system connecting the air conditioning main unit and the inside of the grain depot; the air conditioning main unit includes a machine body, an evaporator, an air supply fan, a condensation module, and a circulation module; the machine body is partitioned to form an air permeation chamber and an air supply chamber and an air treatment chamber arranged side by side laterally above the air permeation chamber;

[0007] The machine body is provided with an air outlet communicating with the air supply chamber and an air inlet communicating with the air treatment chamber on both sides of its back panel or on both side panels;

[0008] The evaporator is installed in the air treatment chamber; the air supply fan is arranged in the air supply chamber to supply air towards the air outlet, so that under the drive of the air supply fan, air flows in from the air inlet, penetrates through the evaporator, and then flows out from the air outlet; the condensation module is arranged in the ventilation chamber; the circulation module is arranged between the ventilation chamber and the air treatment chamber to connect the condensation module and the evaporator to form a cooling circulation system;

[0009] The pipeline system includes an air supply pipe connecting the air outlet and the inside of the granary and a return air pipe connecting the air inlet and the inside of the granary.

[0010] As a further technical solution of the present invention: a partition board is horizontally arranged between the upper part and the lower part inside the machine body, dividing the lower part inside the machine body into a ventilation chamber, one side of the upper part inside the machine body is an air supply chamber, and the other side of the upper part inside the machine body is an air treatment chamber communicated with the air supply chamber.

[0011] As a further technical solution of the present invention: an air outlet communicated with the air supply chamber is arranged on one side of the upper part of the back plate of the machine body, and an air inlet communicated with the air treatment chamber is arranged on the other side of the upper part of the back plate of the machine body.

[0012] As a further technical solution of the present invention: the evaporator is vertically installed in the air treatment chamber obliquely relative to the air inlet, and its two ends extend to the middle sections of the side plate and the back plate on the same side as the air treatment chamber, surrounding a triangular space for air flow input.

[0013] As a further technical solution of the present invention: an air outlet communicated with the air supply chamber is arranged on the side plate of the machine body corresponding to the air supply chamber, and an air inlet communicated with the air treatment chamber is arranged on the other side plate corresponding to the air treatment chamber.

[0014] As a further technical solution of the present invention: the evaporator is vertically installed in the air treatment chamber parallel to the air inlet, and its two ends extend to the front end plate and the rear end plate of the machine body.

[0015] As a further technical solution of the present invention: the end of the air supply pipe penetrating into the inside of the granary and the end of the return air pipe penetrating into the inside are arranged laterally opposite to each other.

[0016] As a further technical solution of the present invention: a nozzle is installed at the end of the air supply pipe penetrating into the inside of the granary.

[0017] As a further technical solution of the present invention: a filter screen is installed at the end of the return air pipe penetrating into the inside.

[0018] As a further technical solution of the present utility model: The circulation module includes an upper circulation pipeline group connecting the output end of the evaporator and the input end of the condensation module, and a lower circulation pipeline group connecting the output end of the condensation module and the input end of the evaporator. The upper circulation pipeline group is provided with a gas-liquid separator and a compressor therein; the lower circulation pipeline group is provided with a liquid receiver, a dryer filter, a sight glass and an expansion valve therein.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows: The present utility model provides an improved grain-surface cooling granary air-conditioning unit. Through the cooperation between the air-conditioning main unit and the pipeline system, the air that needs to be cooled is input into the air-conditioning main unit from the return air duct. Driven by the air supply fan, the formed air flow is input from the air inlet. After passing through the evaporator for cooling, it is output from the air outlet to the air supply duct and sent into the granary through the air supply duct to cool the grain surface. Moreover, the structure requires less lateral installation space and has more diverse styles. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the refrigeration cycle schematic diagram of the improved grain-surface cooling granary air-conditioning unit.

[0021] Figure 2 It is the overall view of the air-conditioning main unit of the first perspective of Embodiment 1 of the improved grain-surface cooling granary air-conditioning unit.

[0022] Figure 3 It is the overall view of the air-conditioning main unit of the second perspective of Embodiment 1 of the improved grain-surface cooling granary air-conditioning unit.

[0023] Figure 4 It is the installation diagram of the evaporator, air supply fan and condenser in the machine body of Embodiment 1 of the improved grain-surface cooling granary air-conditioning unit.

[0024] Figure 5 It is the usage state diagram of Embodiment 1 of the improved grain-surface cooling granary air-conditioning unit.

[0025] Figure 6 It is the overall view of the air-conditioning main unit of Embodiment 2 of the improved grain-surface cooling granary air-conditioning unit.

[0026] Figure 7 It is the installation diagram of the evaporator, air supply fan and condenser in the machine body of Embodiment 2 of the improved grain-surface cooling granary air-conditioning unit.

[0027] Figure 8 It is the usage state diagram of Embodiment 2 of the improved grain-surface cooling granary air-conditioning unit. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only for the purpose of illustrating and explaining the present utility model, and are not intended to limit the protection scope of the present utility model.

[0029] An improved grain surface cooling grain bin air conditioning unit, comprising an air conditioning main unit 10 installed outside the grain bin and a pipeline system 20 connecting the air conditioning main unit 10 and the inside of the grain bin; the air conditioning main unit 10 includes a machine body 11, an evaporator 12, a blowing fan 13, a condensation module 14 and a circulation module 15; the machine body 11 is partitioned to form a ventilation chamber 111 and a blowing chamber 112 and an air treatment chamber 113 which are arranged side by side above the ventilation chamber 111 laterally;

[0030] The machine body 11 is provided with an air outlet 102 communicating with the blowing chamber 112 and an air inlet 103 communicating with the air treatment chamber 113 on both sides of its back plate or on the side plates on both sides;

[0031] The evaporator 12 is installed in the air treatment chamber 113; the blowing fan 13 is arranged in the blowing chamber 112 to blow air towards the air outlet 102. Under the drive of the blowing fan 13, air flow is input from the air inlet 103, penetrates through the evaporator 12 and then is output from the air outlet 102; the condensation module 14 is arranged in the ventilation chamber 111; the circulation module 15 is arranged in the ventilation chamber 111 and the air treatment chamber 113, connecting the condensation module 14 and the evaporator 12 to form a circulation system capable of cooling.

[0032] It can be understood that according to the opening positions of the air outlet 102 and the air inlet 103 and the specific setting angle of the evaporator 12 in the air treatment chamber 113, the improved grain surface cooling grain bin air conditioning unit has multiple embodiments.

[0033] The specific embodiments are as follows:

[0034] Embodiment 1

[0035] Please refer to Figures 1 - 5, an improved air-conditioning unit for cooling the grain surface in a granary, comprising an air-conditioning main unit 10 installed outside the granary and a pipeline system 20 connecting the air-conditioning main unit 10 with the inside of the granary; the air-conditioning main unit 10 includes a machine body 11, an evaporator 12, a blowing fan 13, a condensation module 14 and a circulation module 15; a partition plate 101 is horizontally arranged between the upper and lower parts inside the machine body 11, dividing the lower part inside the machine body 11 into a breathable chamber 111 with both sides communicating, one side of the upper part inside the machine body 11 is a blowing chamber 112, and the other side of the upper part inside the machine body 11 is an air treatment chamber 113 laterally communicating with the blowing chamber 112; an air outlet 102 communicating with the blowing chamber 112 is arranged on one side of the upper part of the back plate of the machine body 11, and an air inlet 103 communicating with the air treatment chamber 113 is arranged on the other side of the upper part of the back plate of the machine body 11;

[0036] The evaporator 12 is vertically installed in the air treatment chamber 113 in an inclined manner relative to the air inlet 103, and its two ends extend to the middle sections of the side plate and the back plate on the same side as the air treatment chamber 113, enclosing a triangular space for air flow input; the blowing fan 13 is arranged in the blowing chamber 112 to blow air towards the air outlet 102. Under the drive of the blowing fan 13, air flows in from the air inlet 103, penetrates through the evaporator 12, and then outputs from the air outlet 102;

[0037] The condensation module 14 is arranged in the breathable chamber 111; the circulation module 15 is arranged in the breathable chamber 111 and the air treatment chamber 113, connecting the condensation module 14 and the evaporator 12 to form a circulatory system capable of cooling;

[0038] The pipeline system 20 includes a supply air pipe 21 connecting the air outlet 102 with the inside of the granary and a return air pipe 22 connecting the air inlet 103 with the inside of the granary. The end of the supply air pipe 21 penetrating into the inside of the granary is arranged laterally opposite to the end of the return air pipe 22 penetrating into the inside. A spray nozzle 211 is installed at the end of the supply air pipe 21 penetrating into the inside of the granary, and a filter screen 221 is installed at the end of the return air pipe 22 penetrating into the inside.

[0039] Further, the condensation module 14 includes a condenser 141 and a condensation fan 142. The condenser 141 is in an L shape and is installed in the breathable chamber 111. The condensation fan 142 is installed on the front panel of the machine body 11 corresponding to the breathable chamber 111. Through the cooperation of the condensation fan 142 and the condenser 141, forced heat exchange is realized.

[0040] Embodiment 2

[0041] Please refer to Figure 1 and Figures 6 - 8, an improved grain surface cooling grain bin air conditioning unit, including an air conditioning main unit 10 installed outside the grain bin and a pipeline system 20 connecting the air conditioning main unit 10 with the inside of the grain bin; the air conditioning main unit 10 includes a body 11, an evaporator 12, a blower fan 13, a condensation module 14 and a circulation module 15; a partition plate 101 is horizontally arranged between the upper part and the lower part inside the body 11, dividing the lower part inside the body 11 into a breathable chamber 111 with both sides connected, one side of the upper part inside the body 11 is a blowing chamber 112, and the other side of the upper part inside the body 11 is an air treatment chamber 113 laterally connected to the blowing chamber 112; an air outlet 102 communicating with the blowing chamber 112 is arranged on the side plate of the body 11 corresponding to the blowing chamber 112, and an air inlet 103 communicating with the air treatment chamber 113 is arranged on the other side plate of the body 11 corresponding to the air treatment chamber 113;

[0042] The evaporator 12 is vertically installed in the air treatment chamber 113 parallel to the air inlet 103, and its two ends extend to the front end plate and the rear end plate of the body; the blower fan 13 is arranged in the blowing chamber 112 to blow air towards the air outlet 102, so that under the drive of the blower fan 13, air flow is input from the air inlet 103, and after passing through the evaporator 12, it is output from the air outlet 102;

[0043] The condensation module 14 is arranged in the breathable chamber 111; the circulation module 15 is arranged in the breathable chamber 111 and the air treatment chamber 113, connecting the condensation module 14 and the evaporator 12 to form a cooling circulation system;

[0044] The pipeline system 20 includes a supply air pipe 21 connecting the air outlet 102 with the inside of the grain bin and a return air pipe 22 connecting the air inlet 103 with the inside of the grain bin. The end of the supply air pipe 21 penetrating into the inside of the grain bin and the end of the return air pipe 22 penetrating into the inside are arranged laterally opposite to each other, and a nozzle 211 is installed at the end of the supply air pipe 21 penetrating into the inside of the grain bin, and a filter screen 221 is installed at the end of the return air pipe 22 penetrating into the inside.

[0045] The condensation module 14 includes a condenser 141 and a condensation fan 142. The condenser 141 is L-shaped and installed in the breathable chamber 111. The condensation fan 142 is installed on the front panel of the body 11 corresponding to the breathable chamber 111, and forced heat exchange is realized by the cooperation of the condensation fan 142 and the condenser 141.

[0046] Thus, compared with the existing grain bin air conditioning units for grain surface cooling, both of the above two embodiments have a more reasonable layout of the breathable chamber 111, the blowing chamber 112 and the air treatment chamber 113 inside the body 11, requiring less lateral installation space and having more diverse styles.

[0047] Further, in the above embodiments, the circulation module 15 includes an upper circulation pipeline group 151 connecting the output end of the evaporator 12 and the input end of the condensation module 14, and a lower circulation pipeline group 152 connecting the output end of the condensation module 14 and the input end of the evaporator 12. The upper circulation pipeline group 151 is provided with a gas-liquid separator 31 and a compressor 32 therein; the lower circulation pipeline group 152 is provided with a liquid receiver 33, a dryer filter 34, a sight glass 35 and an expansion valve 36 therein.

[0048] Further, in the above embodiments, 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 31 and the evaporator 12.

[0049] Further, in the above embodiments, 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 32 and the condensation module 14.

[0050] Further, in the above embodiments, the filter screen 221 includes, but is not limited to, a nylon filter screen and a metal filter screen.

[0051] Further, in the above embodiments, 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, non-gold, non-aluminum tubes, such as a stainless steel tube.

[0052] Further, in the above embodiments, according to different requirements for anti-fumigation, the air supply fan 13 can adopt different fans. Specifically, for low anti-fumigation requirements, a fully enclosed air supply fan with an IP54 or above is adopted; for high anti-fumigation requirements, a gas explosion-proof or dust explosion-proof air supply fan is adopted.

[0053] Further, in the above embodiments, the air conditioner main unit 10 is equipped with a wall-mounted mounting bracket 104 at the bottom of the machine body 11 for wall-mounted installation.

[0054] It can be understood that the refrigeration cycle process of an improved grain surface cooling grain bin air conditioner unit of the present invention when sending air to the grain surface is as follows: The compressor 32 compresses the low-temperature and low-pressure refrigerant gas into a high-temperature and high-pressure gas. The high-temperature and high-pressure gas enters the condenser 141 and exchanges heat forcibly through the condensation fan 142 to take away the heat; the refrigerant enters the liquid receiver 33 and passes through the dryer filter 34 and the sight glass 35 in sequence, and throttles with the expansion valve 36; the refrigerant becomes a low-temperature and low-pressure liquid and evaporates into a gas in the evaporator 12, absorbing the heat of the air passing through the evaporator 12 to cool the air; after the low-temperature and low-pressure refrigerant passes through the gas-liquid separator 31, after separating a small part of the refrigerant liquid, the refrigerant gas enters the compressor 32 for compression to complete a cycle.

[0055] In summary, an improved grain surface cooling granary air conditioning unit of the present utility model, through the cooperation between the air conditioning main unit 10 and the pipeline system 20, requires the air to be cooled to be input into the air conditioning main unit 10 from the return air duct 22. Driven by the air supply fan 13, the formed air flow is input from the air inlet 103, and after being cooled by penetrating the evaporator 12, it is output from the air outlet 102 to the air supply duct 21, and is sent into the granary interior through the air supply duct 21 to cool the grain surface. Moreover, it requires less lateral installation space and has more diverse styles according to its structure.

[0056] As long as it does not violate the idea of the creation of the present utility model, any combination of various different embodiments of the present utility model shall be regarded as the content disclosed by the present utility model; within the scope of the technical concept of the present utility model, various simple modifications of the technical solution and any combination of different embodiments that do not violate the idea of the creation of the present utility model shall be within the protection scope of the present utility model.

Claims

1. An improved grain surface cooling grain bin air conditioning unit, characterized in that: It includes an air-conditioning main unit (10) installed outside the granary and a pipeline system (20) connecting the air-conditioning main unit (10) with the inside of the granary; the air-conditioning main unit (10) includes a machine body (11), an evaporator (12), a blowing fan (13), a condensation module (14) and a circulation module (15); the machine body (11) is partitioned to form a ventilation chamber (111) and a blowing chamber (112) and an air treatment chamber (113) which are arranged side by side laterally above the ventilation chamber (111). On both sides of the back plate of the machine body (11) or on the side plates on both sides, there are air outlets (102) communicating with the blowing chamber (112) and air inlets (103) communicating with the air treatment chamber (113). The evaporator (12) is installed in the air treatment chamber (113); the blowing fan (13) is arranged in the blowing chamber (112) to blow air towards the air outlet (102). Under the drive of the blowing fan (13), air flows in from the air inlet (103), penetrates through the evaporator (12), and then outputs from the air outlet (102); the condensation module (14) is arranged in the ventilation chamber (111); the circulation module (15) is arranged in the ventilation chamber (111) and the air treatment chamber (113), connecting the condensation module (14) and the evaporator (12) to form a cooling circulation system. The pipeline system (20) includes an air supply pipe (21) connecting the air outlet (102) with the inside of the granary and a return air pipe (22) connecting the air inlet (103) with the inside of the granary.

2. The improved grain surface cooling bin air conditioner unit according to claim 1, characterized in that: A partition plate (101) is horizontally arranged between the upper and lower parts inside the machine body (11), dividing the lower part inside the machine body (11) into a ventilation chamber (111), one side of the upper part inside the machine body (11) is a blowing chamber (112), and the other side of the upper part inside the machine body (11) is an air treatment chamber (113) communicating with the blowing chamber (112).

3. The improved grain surface cooling bin air conditioner unit according to claim 2, characterized in that: On one side of the upper part of the back plate of the machine body (11), there is an air outlet (102) communicating with the blowing chamber (112), and on the other side of the upper part of the back plate, there is an air inlet (103) communicating with the air treatment chamber (113).

4. The improved grain surface cooling granary air conditioning unit according to claim 3, characterized in that: The evaporator (12) is vertically installed in the air treatment chamber (113) obliquely relative to the air inlet (103), and its two ends extend to the middle sections of the side plate and the back plate on the same side as the air treatment chamber (113), enclosing a triangular space for air flow input.

5. The improved grain surface cooling storage air conditioner unit according to claim 2, characterized in that: On the side plate of the machine body (11) corresponding to the blowing chamber (112), there is an air outlet (102) communicating with the blowing chamber (112), and on the other side plate corresponding to the air treatment chamber (113), there is an air inlet (103) communicating with the air treatment chamber (113).

6. The improved grain surface cooling grain bin air conditioner unit according to claim 5, characterized in that: The evaporator (12) is vertically installed in the air treatment chamber (113) parallel to the air inlet (103), and its two ends extend to the front end plate and the rear end plate of the machine body.

7. The improved grain surface cooling granary air conditioning unit according to claim 1, characterized in that: One end of the air supply pipe (21) penetrating into the inside of the granary and one end of the return air pipe (22) penetrating into the inside are arranged laterally opposite to each other.

8. The improved grain surface cooling bin air-conditioning unit according to claim 1, characterized in that: One end of the air supply pipe (21) penetrating into the inside of the granary is equipped with a nozzle (211).

9. The improved grain surface cooling grain storage air conditioning unit according to claim 1, characterized in that: One end of the return air duct (22) that penetrates into the interior is equipped with a filter screen (221).

10. The improved grain surface cooling warehouse air conditioner unit according to claim 1, characterized in that: The circulation module (15) includes an upper circulation pipeline group (151) that connects the output end of the evaporator (12) to the input end of the condensation module (14), and a lower circulation pipeline group (152) that connects the output end of the condensation module (14) to the input end of the evaporator (12). The upper circulation pipeline group (151) is provided with a gas-liquid separator (31) and a compressor (32) therein; the lower circulation pipeline group (152) is provided with a liquid receiver (33), a dryer filter (34), a sight glass (35), and an expansion valve (36) therein.

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