CN210239996U - Screw air compressor machine waste heat recovery device - Google Patents
Screw air compressor machine waste heat recovery device Download PDFInfo
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- CN210239996U CN210239996U CN201921014771.0U CN201921014771U CN210239996U CN 210239996 U CN210239996 U CN 210239996U CN 201921014771 U CN201921014771 U CN 201921014771U CN 210239996 U CN210239996 U CN 210239996U
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Abstract
The utility model discloses a screw air compressor waste heat recovery device, wherein a hot oil-gas mixing outlet of the screw air compressor is communicated with an oil-gas separator through a pipeline, the upper part and the lower part of the oil-gas separator are respectively provided with a hot oil pipe and a hot gas pipe, and a cooling gas pipe and a cooling oil pipe are arranged inside a cooling device; the cooling device is internally provided with the heat exchanger which is communicated with the heat exchange chamber, the heat exchange chamber is provided with a cold water inlet and a hot water outlet, the waste heat of the power equipment is reasonably utilized to provide hot water for worker bathing, the requirement supply of worker production and living requirements is met, the waste of resources is reduced, and the potential safety hazard caused by hot water boiling in daily life of people is avoided.
Description
The technical field is as follows:
the utility model belongs to the technical field of waste heat recovery utilizes, concretely relates to screw air compressor machine waste heat recovery device.
Background art:
the production of air compressed by the air compressor consumes a large amount of energy, 96% of the energy consumed in the compression process is converted into heat to be discharged, wherein about 2% of the heat is directly radiated and discharged through high-temperature components such as a motor and the like, and about 94% of the heat is indirectly discharged through cooling equipment. In the process of converting mechanical energy into wind energy, air is compressed under strong high pressure to increase the temperature suddenly, which is the phenomenon of mechanical energy conversion in common physics, high-temperature heat generated by high-speed rotation of a screw of the air compressor is also generated by friction, the generated high-temperature heat is mixed by adding lubricating oil of the air compressor to form oil/gas steam, and the oil/gas steam is discharged out of a machine body, the heat of the high-temperature oil/gas flow is equal to 3/4 of the input power of the air compressor, the temperature of the high-temperature oil/gas flow is usually 80-100 ℃, and the heat energy is wasted to the atmosphere due to the requirement of the operating temperature of the machine.
In order to fully utilize the waste heat generated by the screw air compressor, the waste heat utilization technology is utilized to cool the high-temperature and high-pressure gas generated by the screw air compressor, so that the gas generation efficiency of the air compressor can be improved, enterprises can obtain hot water required by production and life, the hot water can be heated to be more than or equal to 50 ℃ in winter, and the hot water can be heated to be more than or equal to 65 ℃ in summer and autumn, thereby solving the heavy burden of long-term economic payment of the hot water of the enterprises.
The existing equipment also has a waste heat utilization device, but due to the structural defects, the retention time of hot oil gas in a cooling device is short, the hot oil gas flows away without fully performing heat exchange, the waste heat utilization is insufficient, and the heat exchange efficiency is low, so that the research on the waste heat recovery device of the screw air compressor has great use value.
The invention content is as follows:
defect and problem to existing equipment existence, the utility model provides a screw air compressor machine waste heat recovery device, the effectual waste heat utilization who has solved existing equipment existence is not abundant, problem that heat exchange efficiency is low.
The utility model provides a scheme that its technical problem adopted is: a waste heat recovery device of a screw air compressor comprises the screw air compressor, an oil-gas separator and a cooling device, wherein a hot oil-gas mixing outlet of the screw air compressor is communicated with the oil-gas separator through a pipeline, a hot oil pipe and a hot air pipe are respectively arranged at the upper part and the lower part of the oil-gas separator, the cooling device is a hollow square or round container, a water inlet and a water outlet are correspondingly formed in the upper part and the lower part of the cooling device, and a cooling air pipe and a cooling oil pipe are arranged in the cooling device; the cooling air pipe is arranged at the upper part of the cooling device in a roundabout manner, an air inlet of the cooling air pipe is communicated with an outlet of the hot air pipe, an air outlet of the cooling air pipe is communicated with an air inlet of the cold air pipe, and an air outlet of the cold air pipe is communicated with the oil gas recovery chamber to form an air cooling part; an oil inlet of the cooling oil pipe is communicated with an outlet of the hot oil pipe, a buffer chamber is arranged at the lower part of the cooling device, and the upper part of the buffer chamber is connected with an air pressure balance valve through a pipeline; the oil outlet of the cooling oil pipe is communicated with a hot oil inlet on the upper portion of the buffer chamber, a cold oil outlet is formed in the lower portion of the buffer chamber, the cold oil outlet is communicated with an oil inlet of the cold oil pipe, the cold oil pipe is arranged upwards, the highest point of the cold oil pipe is higher than the liquid level of the buffer chamber, the oil outlet of the cold oil pipe is communicated with the oil gas recovery chamber, the liquid level of the oil gas recovery chamber is lower than the liquid level of the buffer chamber to form an oil cooling portion with a buffer function, a heat exchanger is arranged in the cooling device and communicated with the heat exchange chamber, and a cold water inlet and a hot water outlet are formed.
Furthermore, a roundabout buffer oil pipe is arranged at the lower part of the buffer chamber; the lower part of the buffer chamber is provided with an oil outlet which is communicated with an oil inlet of a buffer oil pipe, and the oil outlet of the buffer oil pipe is communicated with an oil inlet of a cold oil pipe.
Furthermore, the buffer memory room include a plurality of buffer memory pieces, the buffer memory piece be sheet structure, the buffer memory piece interval sets up and fixes through the strengthening rib, the upper portion and the lower part of every buffer memory piece correspond and have hot oil import and cold oil export, hot oil import all through with hot oil pipe intercommunication, cold oil export all with cold oil pipe intercommunication.
Furthermore, a liquid level sensor is arranged in the cooling device, an electromagnetic valve is arranged at a water inlet of the cooling device, and the liquid level sensor controls the electromagnetic valve to work through a PLC (programmable logic controller) to form an automatic water replenishing system of the cooling device.
Further, the heat exchanger is a stainless steel plate type heat exchanger or a shell and tube type heat exchanger.
Furthermore, one or more screw air compressors are arranged in parallel, and one or more waste heat recovery units are arranged corresponding to the screw air compressors to form a waste heat recovery unit.
Furthermore, the waste heat recovery unit further comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the cold water inlet of each heat exchange chamber, and the water outlet pipe is communicated with the hot water outlet of each heat exchange chamber.
Compared with the prior art, the utility model has the advantages that; the utility model discloses reform transform the screw-type air compressor machine, the waste heat that the recycle air compressor machine produced, high temperature oil circuit and gas circuit cool off respectively, and oil circuit part adopts the oil cooling portion that has the memory function, and hot oil can be retrieved to the vapor recovery system room after carrying out abundant heat exchange in the memory room, and hot oil heat exchange time is long, and is efficient; the gas circuit adopts circuitous pipeline's gas cooling portion, simultaneously the utility model discloses form the independent running system, can supply with the bathroom bathing and use, especially to the colliery, the worker bathing is the important content of production logistics support work, and rational utilization power equipment's waste heat provides hot water for the worker bathing, is the indispensable supply that satisfies worker production and life demand, has reduced the waste of resource, has avoided the potential safety hazard that people daily life burns hot water and brings.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the schematic diagram of the heat exchange structure of the present invention.
Fig. 3 is a schematic structural diagram of the buffer chamber according to the present invention.
Fig. 4 is another schematic structural diagram of the buffer chamber according to the present invention.
Fig. 5 is a schematic structural diagram of the heat recovery unit of the present invention.
The reference numbers in the figures are: the system comprises an oil-gas separator 1, a hot oil pipe 2, a hot air pipe 3, a cooling device 4, a buffer chamber 5, a cooling oil pipe 6, a cooling air pipe 7, an oil-gas recovery chamber 8, a heat exchange chamber 9, a heat exchange chamber 10, a heat exchange pipe 12, an air pressure balance valve 12, a cold air pipe 13, a cold oil pipe 14, an air compressor room 15, a waste heat recovery device 16, a water inlet pipe 17, a water outlet pipe 18, a door 19, a screw air compressor 20, a buffer oil pipe 21, a buffer sheet 22, reinforcing ribs 23, a cold oil-gas mixing outlet 24, a liquid level sensor 25 and an electromagnetic valve 26.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the drawings and examples.
Example 1: the embodiment aims at providing a screw air compressor waste heat recovery device, as shown in fig. 1, the device comprises a screw air compressor 20, an oil-gas separator 1 and a cooling device 4, a hot oil-gas mixing outlet of the screw air compressor 20 is communicated with the oil-gas separator 1 through a pipeline, a high-temperature oil-gas mixture is conveyed into the oil-gas separator 1, the upper portion and the lower portion of the oil-gas separator 1 are respectively provided with a hot oil pipe 2 and a hot gas pipe 3, the oil-gas mixture is separated into high-temperature oil and high-temperature gas in the oil-gas separator, and the high-temperature oil and the high-temperature gas are respectively discharged into the cooling.
The cooling device 4 is a hollow square or round container, water is filled in the container, the specific heat capacity of the water is large, the container can fully absorb heat, a water inlet and a water outlet are correspondingly formed in the upper part and the lower part of the cooling device 4, and a cooling air pipe 7 and a cooling oil pipe 6 are arranged in the cooling device 4; the cooling air pipe 7 is arranged at the upper part of the cooling device 4 in a winding way, an air inlet of the cooling air pipe 7 is communicated with an outlet of the hot air pipe 3, an air outlet of the cooling air pipe 7 is communicated with an air inlet of the cold air pipe 13, an air outlet of the cold air pipe 13 is communicated with the oil-gas recovery chamber 8 to form an air cooling part, the oil-gas recovery chamber 8 is arranged outside, a cold oil-gas mixing outlet 24 is arranged at the lower part of the oil-gas recovery chamber 8, and the oil-gas mixing outlet 24 is communicated with an oil inlet of the screw air compressor 20; the high-temperature gas thus passes through the circuitous duct to exchange heat with water sufficiently in the cooling duct, and the heat is retained in the cooling device 4.
An oil inlet of the cooling oil pipe 6 is communicated with an outlet of the hot oil pipe 2, a buffer chamber 5 is arranged at the lower part of the cooling device, and the upper part of the buffer chamber 5 is connected with an air pressure balance valve 12 through a pipeline; the oil outlet of the cooling oil pipe 6 is communicated with a hot oil inlet at the upper part of the buffer chamber 12, the lower part of the buffer chamber is provided with a cold oil outlet, the cold oil outlet is communicated with an oil inlet of the cold oil pipe 14, the cold oil pipe 14 is arranged upwards, the highest point of the cold oil pipe is higher than the liquid level of the buffer chamber 5, the oil outlet of the cold oil pipe 14 is communicated with the oil gas recovery chamber 8, and the liquid level of the oil gas recovery chamber 8 is lower than the liquid level of the buffer chamber 5, so that the oil cooling part with the buffer function is formed. Because the buffer chamber 5, the cold oil pipe 14 and the oil gas recovery chamber 8 form a communicating vessel, and the buffer chamber 5 and the oil gas recovery chamber 8 have a liquid level difference, according to the siphon principle, the high temperature oil in the buffer chamber can slowly move from top to bottom due to the self gravity action, in the process, the hot oil is fully subjected to heat exchange with the water in the cooling device, the cooling device is internally provided with the heat exchanger 10, the heat exchanger 10 is communicated with the heat exchange chamber 9, the heat exchanger 10 is a stainless steel plate type heat exchanger or a shell and tube type heat exchanger, and the heat exchange chamber 9 is provided with a cold water inlet and a hot water outlet.
Example 2: this example is substantially the same as example 1, except that: the lower part of the buffer chamber is provided with a buffer oil pipe 21.
As shown in fig. 3, a detour buffer oil pipe 21 is arranged at the lower part of the buffer chamber 5; the oil outlet is formed in the lower portion of the buffer chamber 5, the oil outlet is communicated with the oil inlet of the buffer oil pipe 21, the oil outlet of the buffer oil pipe 21 is communicated with the oil inlet of the cold oil pipe 14, therefore, due to the pressure difference between the buffer chamber 5 and the oil-gas recovery chamber 8, hot oil entering the buffer chamber 5 can enter the buffer oil pipe 21 downwards due to the pressure difference, the buffer oil pipe 21 is a roundabout pipeline, high-temperature oil can fully exchange heat, the structure is reasonable, the cooling effect is good, and the heat exchange is full.
Example 3: this example is substantially the same as example 1, except that: the illustrated buffer chamber includes a plurality of buffer patches.
As shown in fig. 4, the buffer memory slices 22 are of a sheet structure, the buffer memory slices 22 are arranged at equal intervals and fixed through reinforcing ribs 23 between the buffer memory slices 22, the upper portion and the lower portion of each buffer memory slice 22 are correspondingly provided with a hot oil inlet and a cold oil outlet, the hot oil inlet is communicated with the hot oil pipe 2, the cold oil outlet is communicated with the cold oil pipe 14, so that the hot oil is divided into a plurality of parts, each part of the hot oil can be subjected to sufficient heat exchange with water in the cooling device, the whole part is changed into zero, and the heat exchange efficiency is improved.
Example 4: this example is substantially the same as example 1, except that: and an automatic water replenishing system is arranged in the cooling device.
The cooling device in be provided with liquid level sensor 25, cooling device's water inlet department is provided with solenoid valve 26, liquid level sensor 25 has constituted cooling device's automatic water charging system through PLC controller control solenoid valve 26's work, need not artifical real-time supervision, when the water level in the cooling device reduces to setting for the water level, liquid level sensor signals and through PLC controller control cooling device water inlet department's solenoid valve 26 work to the cooling device in water injection.
Example 5: this example is substantially the same as example 1, except that: the screw air compressors are provided with a plurality of screw air compressors, so that a waste heat recovery unit is formed.
One or more waste heat recovery units are arranged on the waste heat recovery device 16 corresponding to the screw air compressor 20. As shown in fig. 5, five screw air compressors are arranged in the air compressor room, a water inlet pipe 17 and a water outlet pipe 18 are arranged on the wall surface of the air compressor room, the water inlet pipe 17 is a cold water inlet pipe, the water inlet pipe 17 is communicated with the cold water inlet of each heat exchange chamber 10, water is injected into the heat exchange chambers 10, the water outlet pipe 18 is communicated with the hot water inlet of each heat exchange chamber, hot water is conveyed out of the air compressor room, the water inlet of the water inlet pipe is communicated with an external water source, and the water outlet pipe is connected with facilities such as a bathroom.
Claims (7)
1. The utility model provides a screw air compressor machine waste heat recovery device, includes screw air compressor machine, oil and gas separator and cooling device, screw air compressor machine's hot oil-gas mixture export through pipeline and oil and gas separator intercommunication, oil and gas separator upper portion and lower part be provided with hot oil pipe and hot gas pipe, its characterized in that respectively: the cooling device is a hollow square or round container, a water inlet and a water outlet are correspondingly formed in the upper part and the lower part of the cooling device, and a cooling air pipe and a cooling oil pipe are arranged in the cooling device; the cooling air pipe is arranged at the upper part of the cooling device in a roundabout manner, an air inlet of the cooling air pipe is communicated with an outlet of the hot air pipe, an air outlet of the cooling air pipe is communicated with an air inlet of the cold air pipe, and an air outlet of the cold air pipe is communicated with the oil gas recovery chamber to form an air cooling part; an oil inlet of the cooling oil pipe is communicated with an outlet of the hot oil pipe, a buffer chamber is arranged at the lower part of the cooling device, and the upper part of the buffer chamber is connected with an air pressure balance valve through a pipeline; the oil outlet of the cooling oil pipe is communicated with a hot oil inlet on the upper portion of the buffer chamber, a cold oil outlet is formed in the lower portion of the buffer chamber, the cold oil outlet is communicated with an oil inlet of the cold oil pipe, the cold oil pipe is arranged upwards, the highest point of the cold oil pipe is higher than the liquid level of the buffer chamber, the oil outlet of the cold oil pipe is communicated with the oil gas recovery chamber, the liquid level of the oil gas recovery chamber is lower than the liquid level of the buffer chamber to form an oil cooling portion with a buffer function, a heat exchanger is arranged in the cooling device and communicated with the heat exchange chamber, and a cold water inlet and a hot water outlet are formed.
2. The screw air compressor waste heat recovery device of claim 1, characterized in that: a roundabout buffer oil pipe is arranged at the lower part of the buffer chamber; the lower part of the buffer chamber is provided with an oil outlet which is communicated with an oil inlet of a buffer oil pipe, and the oil outlet of the buffer oil pipe is communicated with an oil inlet of a cold oil pipe.
3. The screw air compressor waste heat recovery device of claim 1, characterized in that: the buffer memory room include a plurality of buffer memory pieces, the buffer memory piece be sheet structure, the buffer memory piece interval sets up and is fixed through the strengthening rib, the upper portion and the lower part of every buffer memory piece correspond to be opened hot oil import and cold oil export, hot oil import all through with hot oil pipe intercommunication, cold oil export all with cold oil pipe intercommunication.
4. The screw air compressor waste heat recovery device of claim 1, characterized in that: the cooling device is internally provided with a liquid level sensor, the water inlet of the cooling device is provided with an electromagnetic valve, and the liquid level sensor controls the electromagnetic valve to work through a PLC controller to form an automatic water replenishing system of the cooling device.
5. The screw air compressor waste heat recovery device of claim 1, characterized in that: the heat exchanger is a stainless steel plate type heat exchanger or a shell and tube type heat exchanger.
6. The screw air compressor waste heat recovery device of claim 1, characterized in that: the screw air compressors are arranged in parallel, and one or more waste heat recovery units are arranged corresponding to the screw air compressors to form a waste heat recovery unit.
7. The screw air compressor waste heat recovery device of claim 6, characterized in that: the waste heat recovery unit further comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the cold water inlet of each heat exchange chamber, and the water outlet pipe is communicated with the hot water outlet of each heat exchange chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921014771.0U CN210239996U (en) | 2019-07-02 | 2019-07-02 | Screw air compressor machine waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921014771.0U CN210239996U (en) | 2019-07-02 | 2019-07-02 | Screw air compressor machine waste heat recovery device |
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| Publication Number | Publication Date |
|---|---|
| CN210239996U true CN210239996U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921014771.0U Expired - Fee Related CN210239996U (en) | 2019-07-02 | 2019-07-02 | Screw air compressor machine waste heat recovery device |
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| Country | Link |
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| CN (1) | CN210239996U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032018A (en) * | 2020-08-26 | 2020-12-04 | 江西智奇压缩机有限公司 | Air compressor machine heat recovery unit is used in circuit board processing |
| CN112145435A (en) * | 2020-10-12 | 2020-12-29 | 辽宁工程技术大学 | Screw air compressor waste heat recovery recycles device |
-
2019
- 2019-07-02 CN CN201921014771.0U patent/CN210239996U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032018A (en) * | 2020-08-26 | 2020-12-04 | 江西智奇压缩机有限公司 | Air compressor machine heat recovery unit is used in circuit board processing |
| CN112145435A (en) * | 2020-10-12 | 2020-12-29 | 辽宁工程技术大学 | Screw air compressor waste heat recovery recycles device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20210702 |