CN220134150U - Heat energy recovery system for air compressor - Google Patents
Heat energy recovery system for air compressor Download PDFInfo
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- CN220134150U CN220134150U CN202321685096.0U CN202321685096U CN220134150U CN 220134150 U CN220134150 U CN 220134150U CN 202321685096 U CN202321685096 U CN 202321685096U CN 220134150 U CN220134150 U CN 220134150U
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- 238000011084 recovery Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- 238000001816 cooling Methods 0.000 claims abstract description 68
- 238000003860 storage Methods 0.000 claims abstract description 59
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- SAPGTCDSBGMXCD-UHFFFAOYSA-N (2-chlorophenyl)-(4-fluorophenyl)-pyrimidin-5-ylmethanol Chemical compound C=1N=CN=CC=1C(C=1C(=CC=CC=1)Cl)(O)C1=CC=C(F)C=C1 SAPGTCDSBGMXCD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of air compressors, in particular to a heat energy recovery system for an air compressor, which comprises a high-pressure air storage tank, a water storage tank, a first water pump and a heat exchanger, wherein the high-pressure air storage tank is connected with the water storage tank; the high-temperature cooling oil outlet of the air compressor, the heat exchanger and the low-temperature cooling oil inlet of the air compressor are sequentially connected to form a cooling oil circulation subsystem; the compressed air outlet of the air compressor, the heat exchanger and the high-pressure air storage tank are sequentially connected to form a compressed air cooling subsystem; the water outlet of the water storage tank, the first water pump, the heat exchanger and the water inlet of the water storage tank are sequentially connected to form a domestic water heating subsystem, and the heat exchanger can conduct heat of high-temperature cooling oil and high-temperature compressed air to the water storage tank to heat the domestic water.
Description
Technical Field
The utility model relates to the technical field of air compressors, in particular to a heat energy recovery system for an air compressor.
Background
As the power source of pneumatic cylinder, compressed air is the common energy of industrial production, and the mill all need use a large amount of compressed air every day, and air compressor is the professional equipment that compresses ordinary pressure air into high pressure air, and air compressor can produce a large amount of heats in the operation process, in order to guarantee air compressor's normal operating, carries out high-efficient cooling to air compressor with the cold mode of multipurpose oil.
The utility model patent with the publication number of CN109162895A discloses a heat energy recovery application system applied to an air compressor, which comprises a domestic water tank, a cold heat exchanger and a water pump, wherein a high-temperature cooling oil output end of the air compressor, the cold heat exchanger and a low-temperature cooling oil inlet end of the air compressor are sequentially communicated to form a cooling oil circulation system, the domestic water tank, the water pump and the heat exchanger are sequentially communicated to form a domestic water heating system, the cold heat exchanger is utilized to cool high-temperature cooling oil, so that water in the domestic water tank and the high-temperature cooling oil are subjected to heat exchange, the high-temperature cooling oil is cooled to low-temperature cooling oil, meanwhile, the water in the domestic water tank is heated, and the low-temperature cooling oil can be cooled again for the air compressor; the hot water in the domestic water tank can be applied to the life of a factory, and the heat recovery of the cooling oil of the air compressor is realized.
In the operation process of the air compressor, the temperature of the compressed air can be rapidly increased in the process of compressing normal-pressure air into compressed air, but when the compressed air is used by a factory, the compressed air is not required to have higher temperature; however, when the heat energy recovery application system of the air compressor is adopted, the heat of the compressed air cannot be recovered, and heat waste is caused.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the existing heat energy recovery system for the air compressor cannot recover the heat of the compressed air, and heat waste is caused.
In order to solve the technical problems, the utility model aims to provide a heat energy recovery system for an air compressor, which comprises a high-pressure air storage tank, a water storage tank, a first water pump and a heat exchanger; the high-temperature cooling oil outlet of the air compressor, the heat exchanger and the low-temperature cooling oil inlet of the air compressor are sequentially connected to form a cooling oil circulation subsystem; the compressed air outlet of the air compressor, the heat exchanger and the high-pressure air storage tank are sequentially connected to form a compressed air cooling subsystem; the water outlet of the water storage tank, the first water pump, the heat exchanger and the water inlet of the water storage tank are sequentially connected to form a domestic water heating subsystem.
As the preferred scheme, heat exchanger is including the heat transfer chamber that is equipped with the heat exchange liquid, be equipped with first heat transfer calandria, second heat transfer calandria and third heat transfer calandria in the heat transfer chamber, air compressor's high temperature cooling oil export with air compressor's low temperature cooling oil entry is connected respectively the both ends of first heat transfer calandria, air compressor's compressed air export with high pressure air storage tank is connected respectively the both ends of second heat transfer calandria, first water pump with the water inlet of storage water tank is connected respectively the both ends of third heat transfer calandria.
As a preferable scheme, the heat energy recovery system for the air compressor comprises a first temperature sensor, a first air-cooled radiator, an electric fan for blowing air to the first air-cooled radiator and a controller; the high-temperature cooling oil output end of the air compressor, the heat exchanger, the first air-cooled radiator, the first temperature sensor and the low-temperature cooling oil inlet end of the air compressor are sequentially connected;
the electric fan and the first temperature sensor are electrically connected with the controller.
As a preferred scheme, the compressed air cooling subsystem comprises a second air cooling radiator, and the compressed air outlet end of the air compressor, the heat exchanger, the second air cooling radiator and the high-pressure air storage tank are sequentially connected.
Preferably, a drainer for draining condensed water generated by condensing the compressed air is arranged between the second air-cooled radiator and the high-pressure air storage tank.
As a preferable scheme, the air compressor is a screw compressor, the screw compressor comprises an air filter, a machine head and an oil-gas separator, an air inlet of the machine head is connected with an air outlet of the air filter, and an oil inlet of the machine head forms a low-temperature cooling oil inlet of the air compressor; the air outlet of the machine head is connected with the air inlet of the oil-gas separator, the oil outlet of the oil-gas separator forms a high-temperature cooling oil outlet of the air compressor, and the air outlet of the oil-gas separator forms a compressed air outlet of the air compressor.
Preferably, the heat energy recovery system for the air compressor comprises a water supply control valve, a water outlet of the water supply control valve is communicated with the water storage tank, and a water inlet of the water supply control valve is connected with a cold water supply pipe.
As a preferable scheme, the heat energy recovery system for the air compressor comprises a second water pump, wherein the water inlet end of the second water pump is communicated with the bottom of the water storage tank, and the water outlet end of the second water pump is connected with a hot water storage tank.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model relates to a heat energy recovery system for an air compressor, which comprises a high-pressure air storage tank, a water storage tank, a first water pump and a heat exchanger, wherein the high-pressure air storage tank is connected with the water storage tank; the high-temperature cooling oil outlet of the air compressor, the heat exchanger and the low-temperature cooling oil inlet of the air compressor are sequentially connected to form a cooling oil circulation subsystem; the compressed air outlet of the air compressor, the heat exchanger and the high-pressure air storage tank are sequentially connected to form a compressed air cooling subsystem; the water outlet of the water storage tank, the first water pump, the heat exchanger and the water inlet of the water storage tank are sequentially connected to form a domestic water heating subsystem, and the heat exchanger can conduct heat of high-temperature cooling oil and high-temperature compressed air to the water storage tank to heat the domestic water.
Drawings
FIG. 1 is a schematic diagram of a heat energy recovery system for an air compressor according to the present utility model;
in the figure, 100, an air compressor; 101. an air cleaner; 102. a machine head; 103. an oil-gas separator; 2. a water storage tank; 31. a first water pump; 32. a second water pump; 4. a heat exchanger; 41. a heat exchange cavity; 42. a first heat exchange bank; 43. a second heat exchange gauntlet; 44. a third heat exchange calandria; 5. a first temperature sensor; 61. a first air-cooled radiator; 62. a second air-cooled radiator; 7. a drain; 8. a water supply control valve.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model.
As shown in fig. 1, a preferred embodiment of a heat energy recovery system for an air compressor of the present utility model includes a high-pressure air tank 1, a water storage tank 2, a first water pump 31, and a heat exchanger 4; the high-temperature cooling oil outlet of the air compressor 100, the heat exchanger 4 and the low-temperature cooling oil inlet of the air compressor 100 are sequentially connected to form a cooling oil circulation subsystem; the compressed air outlet of the air compressor 100, the heat exchanger 4 and the high-pressure air storage tank 1 are sequentially connected to form a compressed air cooling subsystem; the water outlet of the water storage tank 2, the first water pump 31, the heat exchanger 4 and the water inlet of the water storage tank 2 are sequentially connected to form a domestic water heating subsystem. Therefore, the heat energy recovery system for the air compressor can recover the heat of the compressed air and the heat of the cooling oil at the same time, improves the heat recovery rate and avoids heat waste.
The heat exchanger 4 includes a heat exchange cavity 41 provided with heat exchange liquid, a first heat exchange tube 42, a second heat exchange tube 43 and a third heat exchange tube 44 are disposed in the heat exchange cavity 41, a high-temperature cooling oil outlet of the air compressor 100 and a low-temperature cooling oil inlet of the air compressor 100 are respectively connected with two ends of the first heat exchange tube 42, a compressed air outlet of the air compressor 100 and the high-pressure air storage tank 1 are respectively connected with two ends of the second heat exchange tube 43, and a first water pump 31 and a water inlet of the water storage tank 2 are respectively connected with two ends of the third heat exchange tube 44. In other embodiments of the present utility model, only the first heat exchange tube 42 and the second heat exchange tube 43 may be provided, and the heat exchange liquid and the third heat exchange tube 44 may not be provided, so that the water in the water tank 2 is directly sprayed to the outer sides of the first heat exchange tube 42 and the second heat exchange tube 43, thereby cooling the first heat exchange tube 42 and the second heat exchange tube 43, and heating the domestic water.
In order to ensure sufficient cooling of the cooling oil, in this embodiment, the heat energy recovery system for an air compressor includes a first temperature sensor 5, a first air-cooled radiator 61, an electric fan that blows air to the first air-cooled radiator 61, and a controller; the high-temperature cooling oil output end of the air compressor 100, the heat exchanger 4, the first air-cooled radiator 61, the first temperature sensor 5 and the low-temperature cooling oil inlet end of the air compressor 100 are sequentially connected; the first temperature sensor 5 and the electric fan are electrically connected with the controller. When the temperature of the cooling oil detected by the first temperature sensor 5 is higher, the controller sends an electric signal to the electric fan so that the rotation speed of the electric fan is increased, thereby improving the cooling efficiency of the first air-cooled radiator 61 and ensuring the normal operation of the air compressor 100.
In this embodiment, the compressed air cooling subsystem includes a second air-cooled radiator 62, and the compressed air outlet end of the air compressor 100, the heat exchanger 4, the second air-cooled radiator 62, and the high-pressure air tank 1 are connected in this order.
In order to ensure the dryness of the compressed air, a drainer 7 for draining condensed water generated by condensation of the compressed air is provided between the second air-cooled radiator 62 and the high-pressure air tank 1.
In this embodiment, the air compressor 100 is a screw compressor, the screw compressor includes an air filter 101, a machine head 102 and an oil-gas separator 103, an air inlet of the machine head 102 is connected with an air outlet of the air filter 101, and an oil inlet of the machine head 102 forms a low-temperature cooling oil inlet of the air compressor 100; the air outlet of the machine head 102 is connected with the air inlet of the oil-gas separator 103, the oil outlet of the oil-gas separator 103 forms a high-temperature cooling oil outlet of the air compressor 100, and the air outlet of the oil-gas separator 103 forms a compressed air outlet of the air compressor 100. The heat energy recovery system for the air compressor comprises a water supply control valve 8, a water outlet of the water supply control valve 8 is communicated with the water storage tank 2, and a water inlet of the water supply control valve 8 is connected with a cold water supply pipe. The heat energy recovery system for the air compressor comprises a second water pump 32, wherein the water inlet end of the second water pump 32 is communicated with the bottom of the water storage tank 2, and the water outlet end of the second water pump 32 is connected with a hot water storage tank. Specifically, the water outlet of the hot water storage tank is communicated with a hot water supply pipe of the domestic water system.
Further, a second temperature sensor electrically connected with the controller is arranged in the water storage tank 2, when the temperature measured by the second temperature sensor exceeds a set value, the controller sends an electric signal to the second water pump 32 to convey water in the water storage tank 2 into the hot water storage tank, and controls the water supply control valve 8 to be opened, so that cold water flows into the water storage tank 2, the water temperature in the water storage tank 2 is ensured to be lower, and the cooling requirement on high-temperature cooling oil and high-temperature compressed gas is met.
In summary, a preferred embodiment of the heat energy recovery system for an air compressor of the present utility model includes a high-pressure air tank 1, a water storage tank 2, a first water pump 31, and a heat exchanger 4; the high-temperature cooling oil outlet of the air compressor 100, the heat exchanger 4 and the low-temperature cooling oil inlet of the air compressor 100 are sequentially connected to form a cooling oil circulation subsystem; the compressed air outlet of the air compressor 100, the heat exchanger 4 and the high-pressure air storage tank 1 are sequentially connected to form a compressed air cooling subsystem; the water outlet of the water storage tank 2, the first water pump 31, the heat exchanger 4 and the water inlet of the water storage tank 2 are sequentially connected to form a domestic water heating subsystem. Therefore, the heat energy recovery system for the air compressor can recover the heat of the compressed air and the heat of the cooling oil at the same time, improves the heat recovery rate and avoids heat waste.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (8)
1. The heat energy recovery system for the air compressor is characterized by comprising a high-pressure air storage tank (1), a water storage tank (2), a first water pump (31) and a heat exchanger (4); the high-temperature cooling oil outlet of the air compressor (100), the heat exchanger (4) and the low-temperature cooling oil inlet of the air compressor (100) are sequentially connected to form a cooling oil circulation subsystem; the compressed air outlet of the air compressor (100), the heat exchanger (4) and the high-pressure air storage tank (1) are sequentially connected to form a compressed air cooling subsystem; the water outlet of the water storage tank (2), the first water pump (31), the heat exchanger (4) and the water inlet of the water storage tank (2) are sequentially connected to form a domestic water heating subsystem.
2. The heat energy recovery system for an air compressor according to claim 1, wherein the heat exchanger (4) comprises a heat exchange cavity (41) provided with heat exchange liquid, a first heat exchange calandria (42), a second heat exchange calandria (43) and a third heat exchange calandria (44) are arranged in the heat exchange cavity (41), a high-temperature cooling oil outlet of the air compressor (100) and a low-temperature cooling oil inlet of the air compressor (100) are respectively connected with two ends of the first heat exchange calandria (42), a compressed air outlet of the air compressor (100) and the high-pressure air storage tank (1) are respectively connected with two ends of the second heat exchange calandria (43), and a first water pump (31) and a water inlet of the water storage tank (2) are respectively connected with two ends of the third heat exchange calandria (44).
3. The heat energy recovery system for an air compressor according to claim 1, characterized in that the heat energy recovery system for an air compressor comprises a first temperature sensor (5), a first air-cooled radiator (61), an electric fan that blows air to the first air-cooled radiator (61), and a controller; the high-temperature cooling oil output end of the air compressor (100), the heat exchanger (4), the first air-cooled radiator (61), the first temperature sensor (5) and the low-temperature cooling oil inlet end of the air compressor (100) are connected in sequence;
the electric fan and the first temperature sensor (5) are electrically connected with the controller.
4. The heat energy recovery system for an air compressor according to claim 1, wherein the compressed air cooling subsystem comprises a second air-cooled radiator (62), and the compressed air outlet end of the air compressor (100), the heat exchanger (4), the second air-cooled radiator (62) and the high-pressure air storage tank (1) are connected in this order.
5. The heat energy recovery system for an air compressor according to claim 4, wherein a drainer (7) for draining condensed water generated by condensation of the compressed air is provided between the second air-cooled radiator (62) and the high-pressure air tank (1).
6. The heat energy recovery system for an air compressor according to claim 1, wherein the air compressor (100) is a screw compressor, the screw compressor comprises an air filter (101), a machine head (102) and an oil-gas separator (103), an air inlet of the machine head (102) is connected with an air outlet of the air filter (101), and an oil inlet of the machine head (102) forms a low-temperature cooling oil inlet of the air compressor (100); the air outlet of the machine head (102) is connected with the air inlet of the oil-gas separator (103), the oil outlet of the oil-gas separator (103) forms a high-temperature cooling oil outlet of the air compressor (100), and the air outlet of the oil-gas separator (103) forms a compressed air outlet of the air compressor (100).
7. The heat energy recovery system for an air compressor according to claim 1, characterized in that the heat energy recovery system for an air compressor comprises a water supply control valve (8), a water outlet of the water supply control valve (8) is communicated with the water storage tank (2), and a water inlet of the water supply control valve (8) is connected with a cold water supply pipe.
8. The heat energy recovery system for an air compressor according to claim 1, wherein the heat energy recovery system for an air compressor comprises a second water pump (32), a water inlet end of the second water pump (32) is communicated with the bottom of the water storage tank (2), and a water outlet end of the second water pump (32) is connected with a hot water storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321685096.0U CN220134150U (en) | 2023-06-29 | 2023-06-29 | Heat energy recovery system for air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321685096.0U CN220134150U (en) | 2023-06-29 | 2023-06-29 | Heat energy recovery system for air compressor |
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| Publication Number | Publication Date |
|---|---|
| CN220134150U true CN220134150U (en) | 2023-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321685096.0U Active CN220134150U (en) | 2023-06-29 | 2023-06-29 | Heat energy recovery system for air compressor |
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| Country | Link |
|---|---|
| CN (1) | CN220134150U (en) |
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2023
- 2023-06-29 CN CN202321685096.0U patent/CN220134150U/en active Active
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