CN214581547U - Energy-saving air conditioning device for industrial factory building - Google Patents

Energy-saving air conditioning device for industrial factory building Download PDF

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Publication number
CN214581547U
CN214581547U CN202120684947.4U CN202120684947U CN214581547U CN 214581547 U CN214581547 U CN 214581547U CN 202120684947 U CN202120684947 U CN 202120684947U CN 214581547 U CN214581547 U CN 214581547U
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water
heat exchanger
refrigerant
energy
air conditioning
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CN202120684947.4U
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李昌
郑剑泽
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Suzhou Hotfrom Heat Pump Equipment Technology Co ltd
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Suzhou Hotfrom Heat Pump Equipment Technology Co ltd
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Abstract

The utility model discloses an energy-saving air conditioning device for industrial plants, which comprises a compressor, a water-cooling heat exchanger, a liquid storage tank, an economizer, an electronic expansion valve, a fin heat exchanger and a gas-liquid separator, wherein the water-cooling heat exchanger comprises a first refrigerant channel and a first water supply channel; the economizer includes a second refrigerant passage and a second water supply passage; a refrigerant outlet of the compressor is communicated with a first refrigerant channel inlet in the water-cooling heat exchanger, and a first refrigerant channel outlet in the water-cooling heat exchanger is communicated with the liquid storage tank; the second water supply channel of the economizer is communicated with the first water supply channel of the water-cooling heat exchanger, and external cold water sequentially passes through the economizer and the water-cooling heat exchanger and then is output as hot water; the utility model discloses simple structure not only can be directly regard as the refrigerated cold source of air conditioner with fin heat exchanger to adopted water-cooled heat exchanger, can be used for the heating through water-cooled heat exchanger and be used for, for the enterprise provides production, the required hot water of life, further improve energy utilization, reduce the energy consumption.

Description

Energy-saving air conditioning device for industrial factory building
The technical field is as follows:
the utility model relates to an air conditioning equipment product technical field refers in particular to an energy-conserving air conditioning equipment for industrial factory building.
Background art:
the refrigeration principle of the air conditioner is as follows: in the refrigeration system, low-temperature and low-pressure refrigerant gas is sucked by a compressor and compressed into high-pressure steam and then discharged to a condenser, outdoor air flows through the condenser to take away heat emitted by the refrigerant, and the high-pressure refrigerant steam is condensed into high-pressure liquid. The high-pressure liquid passes through the filter and the throttling mechanism and then is sprayed into the evaporator, and is evaporated under corresponding low pressure to absorb the surrounding heat. Meanwhile, air continuously enters fins of the evaporator for heat exchange through the fan, and the air which is cooled after heat release is sent to the indoor.
In the refrigeration process of the air conditioner, the heat released by the condenser is directly discharged and is not utilized, so that energy waste is caused, and meanwhile, the existing refrigeration air conditioner is not suitable for being used in an industrial factory building, the refrigeration effect is not high, the energy waste is serious, and common enterprises are difficult to bear.
To solve this problem, the present inventors propose the following design.
The utility model has the following contents:
the utility model aims to solve the technical problem that overcome prior art not enough, provide an energy-conserving air conditioning equipment for industrial factory building.
In order to solve the technical problem, the utility model discloses a following technical scheme: an energy-saving air conditioning device for an industrial plant comprises: the compressor is used for refrigerant compression, water-cooling heat exchanger, be used for the liquid storage pot of storage refrigerant, electronic expansion valve, fin heat exchanger and vapour and liquid separator, water-cooling heat exchanger include: a first refrigerant passage and a first water supply passage; the energy-saving air conditioner also comprises an economizer which comprises: a second refrigerant passage and a second water supply passage; the liquid storage tank is communicated with the electronic expansion valve through a second refrigerant channel; a refrigerant outlet of the compressor is communicated with a first refrigerant channel inlet in the water-cooling heat exchanger, an outlet of the first refrigerant channel in the water-cooling heat exchanger is communicated with the liquid storage tank, and the refrigerant enters a second refrigerant channel of the economizer after being output by the liquid storage tank, then enters the compressor after sequentially passing through a valve body of the electronic expansion valve, the fin heat exchanger and the gas-liquid separator to form a refrigerant circulation line; and the second water supply channel of the economizer is communicated with the first water supply channel of the water-cooling heat exchanger, and external cold water sequentially passes through the economizer and the water-cooling heat exchanger and then outputs hot water to form a water flowing line.
Further, in the above technical solution, a dry filter is disposed between the liquid storage tank and the electronic expansion valve.
Further, in the above technical scheme, a first needle valve is arranged between the water-cooling heat exchanger and the liquid storage tank.
Further, in the above technical solution, a second needle valve is disposed between the electronic expansion valve and the fin heat exchanger.
Further, in the above technical solution, a third needle valve is disposed between the fin heat exchanger and the gas-liquid separator.
Further, in the above technical solution, a low pressure gauge and a low pressure protector are disposed between the gas-liquid separator and the compressor.
Further, in the above technical solution, a pressure sensor is disposed between a refrigerant outlet of the compressor and a refrigerant channel inlet of the water-cooled heat exchanger.
Further, in the above technical solution, a high pressure gauge and a high pressure protector are arranged between the compressor and the pressure sensor.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect:
1. the utility model discloses simple structure not only can be directly regard as the refrigerated cold source of air conditioner with fin heat exchanger to the increase has adopted water-cooled heat exchanger, can be used for the heating through water-cooled heat exchanger to be used for, for the enterprise provides production, the required hot water of life, further improves energy utilization, reduces the energy consumption.
2. In order to further increase the super-cooled rate of refrigerant, the utility model discloses increased an economizer, made through the economizer and further increased through refrigerant super-cooled rate behind the water-cooling heat exchanger condensation, because the refrigerant super-cooled rate is big under equal condensing temperature, follow-up refrigerating output is also big more, increases the economizer and can promote the refrigeration effect under the outer energy loss condition not increasing.
Description of the drawings:
fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
The utility model relates to a simple and easy air conditioning equipment is used to industry factory building, it is shown in the figure 1, this is the embodiment one of the utility model. The direction indicated by the arrow in fig. 1 is the flow direction of the refrigerant, and mainly includes, in terms of the refrigerant flow direction: the device comprises a compressor 1, a water-cooling heat exchanger 3, a liquid storage tank 4, an economizer 9, an electronic expansion valve 5, a fin heat exchanger 6 and a gas-liquid separator 7.
The compressor 1 is used for compressing refrigerant, and a high-pressure gauge 11 and a high-pressure protector 12 are arranged between the compressor 1 and the water-cooling heat exchanger 3.
The water-cooled heat exchanger 3 adopts a coaxial sleeve pipe, and comprises: a first refrigerant passage and a first water supply passage. Wherein the first refrigerant passage is located at the inner tube and the first water supply passage is located at the outer tube. In order to compress the volume, the coaxial sleeve in the water-cooling heat exchanger 3 adopts a coil pipe shape, wherein a first refrigerant channel flows from top to bottom, and a first water supply channel flows from bottom to top. The working principle is as follows: the high-temperature and high-pressure refrigerant generated by the compressor 1 enters the refrigerant inlet 33 of the water-cooled heat exchanger 3, passes through the first refrigerant passage, and is discharged through the refrigerant outlet 34. Cold water enters from the water supply inlet 31, passes through the first water supply channel and is discharged from the water supply outlet 32. The first refrigerant channel and the first water supply channel are sleeved with each other, so that the heat of the refrigerant is continuously conducted to the water supply to gradually heat the cold water. The heated hot water can be used for production and life of enterprises.
In addition, a second needle valve 51 is arranged between the electronic expansion valve 5 and the fin heat exchanger 6. A low pressure gauge 71 and a low pressure protector 72 are provided between the gas-liquid separator 7 and the compressor 1. In order to adjust the pressure and ensure the operation safety, a first needle valve 35 is arranged between the water-cooling heat exchanger 3 and the liquid storage tank 4; a third needle valve 61 is arranged between the fin heat exchanger 6 and the gas-liquid separator 7. The valve ports of the first needle valve 51 and the third needle valve 61 are adjusted based on the values indicated in the high pressure gauge 11 and the low pressure gauge 71, and the refrigerant pressure is finely adjusted.
The utility model provides a drier-filter 41 is used for carrying out drying and filtering with the refrigerant.
Fin heat exchanger 6 conduct the utility model discloses well air conditioner's cold source, in order to improve the cooling effect, can set up a fan on fin heat exchanger 6 to the effect of cooling with higher speed.
The economizer 9 adopts a plate heat exchanger, and the economizer 9 comprises: a second refrigerant passage and a second water supply passage; the liquid storage tank 4 is communicated with the electronic expansion valve 5 through a second refrigerant channel.
The utility model discloses the during operation, the flow direction of refrigerant as follows: the refrigerant outlet of the compressor 1 is communicated with the inlet of a first refrigerant channel in the water-cooling heat exchanger 3, the outlet of the first refrigerant channel in the water-cooling heat exchanger 3 is communicated with the liquid storage tank 4, the refrigerant is output by the liquid storage tank 4 and then enters a second refrigerant channel of the economizer 9, and then enters the compressor 1 after sequentially passing through the valve body of the electronic expansion valve 5, the fin heat exchanger 6 and the gas-liquid separator 7, so that a refrigerant circulation circuit is formed.
The flow direction of the water is as follows: and a second water supply channel of the economizer 9 is communicated with a first water supply channel of the water-cooled heat exchanger 3, and external cold water sequentially passes through the economizer 9 and the water-cooled heat exchanger 3 and then outputs hot water to form a water flowing line.
The following is combined with the work flow of the utility model to carry out detailed explanation.
First, the compressor 1 compresses a refrigerant to form a high-temperature and high-pressure refrigerant, and the high-temperature and high-pressure refrigerant passes through the high-pressure gauge 11 and the high-pressure protector 12 and then enters the first refrigerant passage of the water-cooled heat exchanger 3. The refrigerant enters from the refrigerant inlet 33, flows out from the refrigerant outlet 34, enters the liquid storage tank 4 through the first needle valve 35, flows out from the liquid storage tank 4, passes through the drying filter 41 and enters the second refrigerant channel of the economizer 9. Enters from an inlet 93 of the second refrigerant channel, flows out from an outlet 94 of the second refrigerant channel, is throttled by the electronic expansion valve 5, enters the fin heat exchanger 6, is evaporated in the fin heat exchanger 6, and absorbs ambient heat through the fin heat exchanger 6. Flows out of the fin heat exchanger 6, enters the gas-liquid separator 7 through the third needle valve 61, flows out of the gas-liquid separator 7, and reenters the inlet of the compressor 1 through the low pressure meter 71 and the low pressure protector 72, so that a cycle is formed.
In the above process, the external cold water enters from the inlet 91 of the second water supply channel of the economizer 9 and then flows out from the outlet 92 of the second water supply channel, and the cold water exchanges heat with the refrigerant in the second refrigerant channel when passing through the second water supply channel, thereby further reducing the supercooling degree of the refrigerant. The water flowing out of the outlet 92 of the second water supply channel enters the water-cooled heat exchanger 3 through the inlet 31 of the first water supply channel, and the high-temperature and high-pressure refrigerant flowing through the water-cooled heat exchanger 3 exchanges heat with the water to generate high-temperature hot water, and finally flows out of the outlet 32 of the first water supply channel. The produced hot water can be used for industrial production and life.
The utility model discloses not only have general air conditioning function to utilize the heat that produces among the air conditioner refrigeration process, can be used for the heating through water-cooled heat exchanger and be used for, for the enterprise provides production, life required hot water, further improve energy utilization and rate, reduce the energy consumption.
Referring to fig. 2, this is an embodiment two of the present invention, and the difference from the embodiment one is that in the embodiment two, a pressure sensor 2 is disposed between the refrigerant outlet of the compressor 1 and the refrigerant channel inlet of the water-cooled heat exchanger 3. When the compressor 1 compresses the refrigerant to form a high-temperature and high-pressure refrigerant and then enters the refrigerant passage of the water-cooled heat exchanger 3, the pressure of the refrigerant entering the water-cooled heat exchanger 3 can be detected by the pressure sensor 2. Set for 2 rated parameters of pressure sensor according to equipment manufacturing process and the demand of difference, after pressure numerical value is greater than this settlement parameter, the utility model discloses can automatic shutdown to protect the normal operating of whole equipment.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims (8)

1. An energy-saving air conditioning device for an industrial plant comprises: a compressor (1), water-cooling heat exchanger (3), liquid storage pot (4) that are used for saving refrigerant, electronic expansion valve (5), fin heat exchanger (6) and vapour and liquid separator (7) for refrigerant compression, its characterized in that:
the water-cooled heat exchanger (3) comprises: a first refrigerant passage and a first water supply passage;
the energy-saving air conditioning device also comprises an economizer (9), wherein the economizer (9) comprises: a second refrigerant passage and a second water supply passage; the liquid storage tank (4) is communicated with the electronic expansion valve (5) through a second refrigerant channel;
a refrigerant outlet of the compressor (1) is communicated with a first refrigerant channel inlet in the water-cooling heat exchanger (3), a first refrigerant channel outlet in the water-cooling heat exchanger (3) is communicated with the liquid storage tank (4), the refrigerant is output by the liquid storage tank (4), enters a second refrigerant channel of the economizer (9), sequentially passes through a valve body of the electronic expansion valve (5), the fin heat exchanger (6) and the gas-liquid separator (7) and then enters the compressor (1), and a refrigerant circulating line is formed;
and a second water supply channel of the economizer (9) is communicated with a first water supply channel of the water-cooling heat exchanger (3), and external cold water sequentially passes through the economizer (9) and the water-cooling heat exchanger (3) and then outputs hot water to form a water flowing line.
2. The energy-saving air conditioning device for the industrial plant as claimed in claim 1, wherein: and a drying filter (41) is arranged between the liquid storage tank (4) and the electronic expansion valve (5).
3. The energy-saving air conditioning device for the industrial plant as claimed in claim 1, wherein: a first needle valve (35) is arranged between the water-cooling heat exchanger (3) and the liquid storage tank (4).
4. The energy-saving air conditioning device for the industrial plant as claimed in claim 1, wherein: and a second needle valve (51) is arranged between the electronic expansion valve (5) and the fin heat exchanger (6).
5. The energy-saving air conditioning device for the industrial plant as claimed in claim 1, wherein: and a third needle valve (61) is arranged between the fin heat exchanger (6) and the gas-liquid separator (7).
6. The energy-saving air conditioning device for the industrial plant as claimed in claim 1, wherein: a low-pressure meter (71) and a low-pressure protector (72) are arranged between the gas-liquid separator (7) and the compressor (1).
7. The energy-saving air conditioning device for the industrial plant according to any one of claims 1 to 6, characterized in that: a pressure sensor (2) is arranged between a refrigerant outlet of the compressor (1) and a refrigerant channel inlet in the water-cooling heat exchanger (3).
8. The energy-saving air conditioning device for the industrial plant as claimed in claim 7, wherein: a high-pressure gauge (11) and a high-pressure protector (12) are arranged between the compressor (1) and the pressure sensor (2).
CN202120684947.4U 2021-04-02 2021-04-02 Energy-saving air conditioning device for industrial factory building Active CN214581547U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120684947.4U CN214581547U (en) 2021-04-02 2021-04-02 Energy-saving air conditioning device for industrial factory building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120684947.4U CN214581547U (en) 2021-04-02 2021-04-02 Energy-saving air conditioning device for industrial factory building

Publications (1)

Publication Number Publication Date
CN214581547U true CN214581547U (en) 2021-11-02

Family

ID=78357366

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120684947.4U Active CN214581547U (en) 2021-04-02 2021-04-02 Energy-saving air conditioning device for industrial factory building

Country Status (1)

Country Link
CN (1) CN214581547U (en)

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