CN215370239U - Compressed gas heat recovery device of screw air compressor - Google Patents
Compressed gas heat recovery device of screw air compressor Download PDFInfo
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- CN215370239U CN215370239U CN202120010490.9U CN202120010490U CN215370239U CN 215370239 U CN215370239 U CN 215370239U CN 202120010490 U CN202120010490 U CN 202120010490U CN 215370239 U CN215370239 U CN 215370239U
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Abstract
The utility model provides a device for recovering heat of compressed gas of a screw air compressor, which comprises an air inlet pipeline, an air outlet pipeline, a heat exchange box and a temperature control mechanism, wherein a cold water inlet pipe, a hot water outlet pipe and a bent pipe are arranged in the heat exchange box, the temperature control mechanism comprises a hot bimetallic strip, a metal push rod and an elastic diaphragm which are sequentially arranged in the hot water outlet pipe, hot gas of the screw air compressor is conveyed into the heat exchange box through the air inlet pipeline, the hot gas can heat the cold water in the bent pipe, when the water temperatures in the bent pipe and the hot water outlet pipe reach a certain value, the hot bimetallic strip deforms and drives the metal push rod to move, and the metal push rod can push the elastic diaphragm to open, so that the hot water can flow out of the hot water outlet pipe to be stored, the heat in the hot gas can be recycled, and the waste of resources is prevented.
Description
Technical Field
The utility model relates to the technical field of heat recovery, in particular to a device for recovering heat of compressed gas of a screw air compressor.
Background
The screw compressor is one of air compressors, and in the long-term continuous operation process, the electric energy is converted into mechanical energy, the mechanical energy is converted into wind energy, in the energy conversion process, a large amount of heat can be generated inside the screw compressor, the heat can be taken out of the machine body through lubricating oil and gas, the temperature of the gas discharged out of the machine body is usually 80-100 ℃, at present, the treatment mode of the partial hot gas is basically directly discharged into the air, and the waste of resources is caused.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a compressed gas heat recovery device of a screw compressor, which can be used for recovering heat from hot gas discharged by the screw compressor and preventing resource waste.
The technical scheme of the utility model is realized as follows:
a device for recovering heat of compressed gas of a screw air compressor comprises an air inlet pipeline, an air outlet pipeline, a heat exchange box and a temperature control mechanism, wherein the air inlet pipeline is connected with the air outlet end of the screw air compressor; the temperature control mechanism comprises a thermal bimetallic strip, a metal push rod and an elastic diaphragm which are sequentially arranged inside the hot water outlet pipe, two ends of the thermal bimetallic strip are connected with the inner wall of the hot water outlet pipe, the metal push rod is connected with the side wall of the thermal bimetallic strip, and the elastic diaphragm is arranged at one end, far away from the bent pipe, inside the hot water outlet pipe; the elastic diaphragm is pushed to open by the metal push rod.
Preferably, the heat exchange box is provided with a cold water inlet and a hot water outlet, the cold water inlet pipe is communicated with the cold water inlet, and the hot water outlet pipe is communicated with the hot water outlet.
Preferably, the water heater also comprises a water storage tank, and the water storage tank is communicated with the hot water outlet through a water storage pipeline.
Preferably, the thermal bimetal comprises an active layer and a passive layer, and the metal push rod is connected with the passive layer.
Preferably, the active layer is a manganese-nickel-copper alloy layer, and the passive layer is a nickel-iron alloy layer.
Preferably, still include circulating line, circulating line intercommunication inlet line and outlet duct, all be provided with timing solenoid valve on inlet line, the outlet duct and the circulating line.
Preferably, the temperature control mechanism still includes magnet piece, connecting rod, crown gear and breakwater, the breakwater setting is advanced intraduct at cold water, and its lateral wall is provided with the pivot, the pivot is stretched out cold water and is advanced tub outside to with crown gear connection, the magnet piece sets up on hot water exit tube outer wall to be located the metal push rod outside, connecting rod one end is connected with the magnet piece, and the other end extends to cold water and advances tub outside, the connecting rod is located cold water and advances tub outside one end and be provided with the rack, crown gear and rack toothing.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a heat recovery device for compressed gas of a screw air compressor, wherein the screw air compressor conveys hot gas from an air inlet pipeline into a heat exchange box, a bent pipe arranged in the heat exchange box can exchange heat with the hot gas, so that after cold water in the bent pipe is changed into hot water, the heat of the hot gas is recovered, the waste of resources is prevented, and through an arranged temperature control mechanism, after the water in the bent pipe is heated, a thermal bimetallic strip can push a metal push rod to move, so that an elastic membrane is opened, and the hot water in the bent pipe can be conveyed to external heat utilization equipment from a hot water outlet pipe for use.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a first embodiment of a compressed gas heat recovery device of a screw air compressor according to the present invention;
FIG. 2 is a schematic structural view of a second embodiment of a compressed gas heat recovery device of a screw air compressor according to the present invention;
fig. 3 is a schematic structural view of a temperature control mechanism of a second embodiment of a compressed gas heat recovery device of a screw air compressor according to the present invention;
in the figure, 1 is an air inlet pipeline, 2 is an air outlet pipeline, 3 is a heat exchange box, 4 is a cold water inlet pipe, 5 is a hot water outlet pipe, 6 is a bent pipe, 7 is a hot bimetallic strip, 8 is a metal push rod, 9 is an elastic diaphragm, 10 is a cold water inlet, 11 is a hot water outlet, 12 is a water storage tank, 13 is a water storage pipeline, 14 is an active layer, 15 is a passive layer, 16 is a circulating pipeline, 17 is a timing electromagnetic valve, 18 is a magnet block, 19 is a connecting rod, 20 is a crown gear, 21 is a water baffle, 22 is a rotating shaft, and 23 is a rack.
Detailed Description
For a better understanding of the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1, the compressed gas heat recovery device of the screw air compressor provided by the utility model comprises an air inlet pipeline 1, an air outlet pipeline 2, a heat exchange box 3 and a temperature control mechanism, wherein the air inlet pipeline 1 is connected with an air outlet end of the screw air compressor, the heat exchange box 3 is respectively connected with the air inlet pipeline 1 and the air outlet pipeline 2, a cold water inlet pipe 4, a hot water outlet pipe 5 and a bent pipe 6 are arranged in the heat exchange box, and two ends of the bent pipe 6 are respectively connected with the cold water inlet pipe 4 and the hot water outlet pipe 5; the temperature control mechanism comprises a thermal bimetallic strip 7, a metal push rod 8 and an elastic diaphragm 9 which are sequentially arranged inside the hot water outlet pipe 5, two ends of the thermal bimetallic strip 7 are connected with the inner wall of the hot water outlet pipe 5, the metal push rod 8 is connected with the side wall of the thermal bimetallic strip 7, and the elastic diaphragm 9 is arranged at one end, far away from the bent pipe 6, inside the hot water outlet pipe 5; the elastic membrane 9 is pushed to open by the metal push rod 8.
The heat recovery device for compressed gas of the screw air compressor of the embodiment can recover heat of hot gas generated by the screw air compressor, prevent resource waste, wherein the air inlet pipeline 1 is connected with the air outlet end of the screw air compressor and can convey hot air generated by the screw air compressor, and is conveyed to the inside of the heat exchange box 3, the inside of the heat exchange box 3 is connected with external cold water through a cold water inlet pipe 4, the cold water flows into a bent pipe 6, the hot air in the heat exchange box 3 can exchange heat through the bent pipe 6 to heat the cold water in the bent pipe 6, when the temperature of the cold water reaches a certain value, the temperature control mechanism controls the water to be discharged, the hot water can flow out of the heat exchange box 3 from the hot water outlet pipe 5, and the waste gas in the heat exchange box 3 can be conveyed to the outside from the gas outlet pipeline 2, so that the reasonable recycling of heat in hot gas is realized, and the waste of resources is prevented.
In the heating process of the cold water, the hot water outlet pipe 5 intercepts the water through a temperature control mechanism, an elastic membrane 9 is arranged at the outlet of the hot water outlet pipe 5, the elasticity of the elastic membrane 9 can prevent the water flow from impacting and opening, meanwhile, a thermal bimetallic strip 7 and a metal push rod 8 are arranged in the hot water outlet pipe 5, when the temperature of the hot water in the bent pipe 6 and the hot water outlet pipe 5 is gradually increased, the thermal bimetallic strip 7 can be deformed, and drives the metal push rod 8 to move towards the elastic diaphragm 9, finally the metal push rod 8 will push the elastic diaphragm 9 to open the elastic diaphragm 9, at this time, the hot water can flow out of the heat exchange box 3 from the hot water outlet pipe 5, after the hot water is discharged, the thermal bimetallic strip 7 is cooled and restored to the original state, the metal push rod 8 returns to the initial position, and the elastic diaphragm 9 is closed under the elasticity of the elastic diaphragm to prevent water flow from passing through.
Preferably, the heat exchange tank 3 is provided with a cold water inlet 10 and a hot water outlet 11, the cold water inlet pipe 4 is communicated with the cold water inlet 10, the hot water outlet pipe 5 is communicated with the hot water outlet 11, and the heat exchange tank further comprises a water storage tank 12, and the water storage tank 12 is communicated with the hot water outlet 11 through a water storage pipeline 13.
The external tap water is conveyed to the bent pipe 6 through the cold water inlet 10 and the cold water inlet pipe 4, and the heated hot water can be conveyed to the water storage tank 12 from the hot water outlet pipe 5, the hot water outlet 11 and the water storage pipe 13.
Preferably, the thermal bimetal 7 comprises an active layer 14 and a passive layer 15, the metal push rod 8 is connected with the passive layer 15, the active layer 14 is a manganese-nickel-copper alloy layer, and the passive layer 15 is a nickel-iron alloy layer.
The thermal expansion coefficient of the passive layer 15 is lower than that of the active layer 14, so that the whole body of the thermal bimetal 7 bends towards the passive layer 15 when being deformed by heat.
Preferably, the device further comprises a circulating pipeline 16, wherein the circulating pipeline 16 is communicated with the air inlet pipeline 1 and the air outlet pipeline 2, and timing electromagnetic valves 17 are arranged on the air inlet pipeline 1, the air outlet pipeline 2 and the circulating pipeline 16.
In order to maximize the heat of utilizing screw compressor machine steam, this embodiment has set up the circulation mechanism of steam, steam enters into heat transfer case 3 inside back from inlet line 1, carry heat transfer case 3 outsidely from outlet pipe 2, through the control to timing solenoid valve 17, can realize during steam gets back to inlet line 1 again, and the secondary is carried in heat transfer case 3, after the heat transfer carries out a period, timing solenoid valve 17 on the outlet pipe 2 can open, make during waste gas discharges to the air, and carry out the steam of new round and retrieve.
Referring to fig. 2-3, the temperature control mechanism further includes a magnet block 18, a connecting rod 19, a crown gear 20 and a water baffle 21, the water baffle 21 is disposed inside the cold water inlet pipe 4, a rotating shaft 22 is disposed on a side wall of the water baffle 21, the rotating shaft 22 extends out of the cold water inlet pipe 4 and is connected with the crown gear 20, the magnet block 18 is disposed on an outer wall of the hot water outlet pipe 5 and is located outside the metal push rod 8, one end of the connecting rod 19 is connected with the magnet block 18, the other end extends out of the cold water inlet pipe 4, a rack 23 is disposed at one end of the connecting rod 19 located outside the cold water inlet pipe 4, and the crown gear 20 is engaged with the rack 23.
In the embodiment, the control of water inlet of the cold water inlet pipe 4 is set, when the water in the bent pipe 6 is heated to a certain temperature, the elastic diaphragm 9 is opened, hot water is conveyed to the outside for storage, at the moment, the water inlet of the cold water inlet pipe 4 is closed to prevent the cold water from being mixed with the hot water, the water baffle plate 21 is arranged in the cold water inlet pipe 4 and has a circular structure, the initial state is a parallel state, water can flow through the upper and lower surfaces of the water baffle plate, the water can be blocked in a vertical state, when the hot bimetallic strip 7 deforms to push the metal push rod 8 to move, the metal push rod 8 drives the magnet block 18 to move, the magnet block 18 drives the connecting rod 19 to move, as the rack 23 on the connecting rod 19 is meshed with the crown gear 20, the crown gear 20 rotates and drives the water baffle plate 21 to become the vertical state, thereby realizing the blocking of the cold water inlet pipe 4, stopping water inlet, when the hot bimetallic strip 7 cools and recovers to the original state, the metal push rod 8 is reset to drive the crown gear 20 to rotate reversely, so that the water baffle plate 21 rotates to a parallel state, and at the moment, cold water can be conveyed into the heat exchange box 3 from the cold water inlet pipe 4.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The device for recovering heat of compressed gas of the screw air compressor is characterized by comprising an air inlet pipeline, an air outlet pipeline, a heat exchange box and a temperature control mechanism, wherein the air inlet pipeline is connected with the air outlet end of the screw air compressor; the temperature control mechanism comprises a thermal bimetallic strip, a metal push rod and an elastic diaphragm which are sequentially arranged inside the hot water outlet pipe, two ends of the thermal bimetallic strip are connected with the inner wall of the hot water outlet pipe, the metal push rod is connected with the side wall of the thermal bimetallic strip, and the elastic diaphragm is arranged at one end, far away from the bent pipe, inside the hot water outlet pipe; the elastic diaphragm is pushed to open by the metal push rod.
2. The device for recovering heat from compressed gas of screw air compressor according to claim 1, wherein the heat exchange box is provided with a cold water inlet and a hot water outlet, the cold water inlet pipe is communicated with the cold water inlet, and the hot water outlet pipe is communicated with the hot water outlet.
3. The compressed gas heat recovery device of the screw air compressor as claimed in claim 2, further comprising a water storage tank, wherein the water storage tank is communicated with the hot water outlet through a water storage pipeline.
4. The compressed gas heat recovery device of the screw air compressor as claimed in claim 1, wherein the thermal bimetal comprises an active layer and a passive layer, and the metal push rod is connected with the passive layer.
5. The device for recovering heat from compressed gas of screw air compressor as claimed in claim 4, wherein the active layer is a layer of manganese-nickel-copper alloy, and the passive layer is a layer of nickel-iron alloy.
6. The device for recovering heat from the compressed gas of the screw air compressor as claimed in claim 1, further comprising a circulation pipeline, wherein the circulation pipeline is communicated with the air inlet pipeline and the air outlet pipeline, and the air inlet pipeline, the air outlet pipeline and the circulation pipeline are all provided with timing solenoid valves.
7. The device for recovering heat from compressed gas of a screw air compressor according to claim 1, wherein the temperature control mechanism further comprises a magnet block, a connecting rod, a crown gear and a water baffle, the water baffle is disposed inside the cold water inlet pipe, a rotating shaft is disposed on a side wall of the water baffle, the rotating shaft extends out of the cold water inlet pipe and is connected with the crown gear, the magnet block is disposed on an outer wall of the hot water outlet pipe and is located outside the metal push rod, one end of the connecting rod is connected with the magnet block, the other end of the connecting rod extends out of the cold water inlet pipe, a rack is disposed at one end of the connecting rod located outside the cold water inlet pipe, and the crown gear is engaged with the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120010490.9U CN215370239U (en) | 2021-01-05 | 2021-01-05 | Compressed gas heat recovery device of screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120010490.9U CN215370239U (en) | 2021-01-05 | 2021-01-05 | Compressed gas heat recovery device of screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215370239U true CN215370239U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120010490.9U Active CN215370239U (en) | 2021-01-05 | 2021-01-05 | Compressed gas heat recovery device of screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215370239U (en) |
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2021
- 2021-01-05 CN CN202120010490.9U patent/CN215370239U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A screw air compressor compressed gas heat recovery device Effective date of registration: 20230823 Granted publication date: 20211231 Pledgee: Industrial Bank Co.,Ltd. Haikou Branch Pledgor: HAINAN HANDI SUNSHINE PETROCHEMICAL Co.,Ltd. Registration number: Y2023980053471 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |