CN218723011U - Heat pump device for waste heat recovery - Google Patents
Heat pump device for waste heat recovery Download PDFInfo
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- CN218723011U CN218723011U CN202222573792.4U CN202222573792U CN218723011U CN 218723011 U CN218723011 U CN 218723011U CN 202222573792 U CN202222573792 U CN 202222573792U CN 218723011 U CN218723011 U CN 218723011U
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Abstract
The utility model discloses a heat pump device for waste heat recovery, which comprises a hot water waste heat recovery system, a hot air waste heat recovery system, a heat exchange device connected with the hot water waste heat recovery system and the hot air waste heat recovery system, and a flash tank connected with a heat exchanger in the heat exchange device through a water storage pipe and a circulating pipe; the upper part of the flash tank is connected with a steam output pipeline, the steam output pipeline is provided with a steam booster pump, and the flash tank is also provided with a hot water supply pipe, a hot water return pipe and a water replenishing pipe. The utility model discloses a retrieve the waste energy, resources are saved reduces the thermal pollution to the environment.
Description
Technical Field
The utility model relates to an industrial energy saving technology field, concretely relates to a heat pump device for waste heat recovery.
Background
The oven of current medicinal material utilizes steam conduit to pass through the admission valve with 0.5MPa steam and enters into the finned tube, heats the air around the finned tube, then uses the pressure fan to impress the air after the heating into the oven according to certain velocity of flow and carry out the stoving operation of medicinal material, absorbs the row's damp gas behind the medicinal material moisture and directly discharges in the external environment through arranging the damp pipeline, and a large amount of heat is wasted, also causes environmental thermal pollution.
The decocting box of medicinal material lets in 0.1MPa steam and carries out the decocte operation, is the jacket heat exchanger in the outside of decocting box, lets in 0.2MPa steam and guarantees that the decocting box carries out invariable decocte operation, separates the traditional chinese medicine composition in the medicinal material from the medicinal material according to certain technological requirement to reach the effect of decocte purification liquid medicine, the comdenstion water that the jacket heat exchanger produced passes through the trap and discharges, and a large amount of heats that contain in the high temperature condensate water are discharged, causes energy loss.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at the not enough of prior art, provide a heat pump device for waste heat recovery, solved the waste problem of heat in waste gas and the waste water of the in-process of decocting medicinal herbs.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a heat pump device for waste heat recovery comprises a hot water waste heat recovery system, a hot air waste heat recovery system, a heat exchange device connected with the hot water waste heat recovery system and the hot air waste heat recovery system, and a flash tank connected with a heat exchanger in the heat exchange device through a water storage pipe and a circulating pipe; the upper part of the flash tank is connected with a steam output pipeline, the steam output pipeline is provided with a steam booster pump, and the flash tank is also provided with a hot water supply pipe, a hot water return pipe and a water replenishing pipe.
According to the technical scheme, the hot water waste heat recovery system and the hot air waste heat recovery system exchange heat between waste water and waste gas generated in the process of baking and decocting medicinal materials and a refrigerator in the heat exchange device, so that waste heat in the waste water and the waste gas is recycled, energy is saved, and heat pollution to the environment is reduced; after absorbing heat in the wastewater and the waste gas, a refrigerant in the heat exchange device enters the heat exchanger to exchange heat with water supply to heat the water supply, the heated water supply enters the flash tank through the water storage pipe, and 0.2MPa steam is introduced into the decoction tank from the water in the flash tank through the steam booster pump or high-temperature hot water is output outwards through the hot water supply pipe; the hot water return pipe returns the low-temperature water to the flash tank, and then enters the heat exchanger through the circulating pipe to participate in heat exchange for further heating; the water replenishing pipe can replenish water in the flash tank.
Preferably, the hot water waste heat recovery system comprises a water recovery tank connected with a condensed water outlet pipe of a jacket heat exchanger on the decocting tank and a heat storage water tank connected with the water recovery tank through a drain pipe; the heat storage water tank is connected with the waste water heat exchanger in the heat exchange device through a water inlet pipe and a return pipe respectively. Condensed water of the jacket heat exchanger on the decocting box enters the waste water heat exchanger in the heat exchange device for heat exchange and then flows back to the heat storage water tank through the return pipe.
Preferably, the hot air waste heat recovery system comprises an air inlet pipe connected with a moisture exhaust air pipe of the oven, a moisture exhaust fan is arranged on the air inlet pipe, the other end of the air inlet pipe is connected with a waste gas heat exchanger in the heat exchange device, and an air outlet of the waste gas heat exchanger is connected with a moisture exhaust waste gas outlet pipe. The moisture-removing gas generated in the oven enters the waste gas heat exchanger of the heat exchange device through the moisture-removing fan for heat exchange, and is discharged out through the moisture-removing waste gas outlet pipe.
Preferably, a circulating pump is arranged on the circulating pipe, a water supply booster pump is arranged on the hot water supply pipe, and a low-pressure water replenishing pump is arranged on the water replenishing pipe.
The utility model has the advantages that:
the utility model discloses a retrieve the waste energy, resources are saved reduces the thermal pollution to the environment, provides a method for realizing "carbon reaches peak carbon neutralization" and the sustainable development of the energy.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1 decocte case, 2 jacket heat exchangers, 3 outlet pipes, 4 recovery water tanks, 5 drain pipes, 6 water supply pumps, 7 heat storage water tanks, 8 inlet tubes, 9 back flow pipes, 10 circulating pumps, 11 heat transfer device, 12 ovens, 13 row damp tuber pipes, 14 intake pipes, 15 row damp fans, 16 waste gas heat exchangers, 17 waste water heat exchangers, 18 heat exchangers, 19 outlet ducts, 20 aqua storage pipes, 21 circulating pipes, 22 flash tanks, 23 steam output pipelines, 24 steam booster pumps, 25 hot water return pipes, 26 hot water supply pipes, 27 moisturizing pipes, 28 water supply booster pumps, 29 moisturizing pumps.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, a heat pump apparatus for waste heat recovery includes a hot water waste heat recovery system, a hot air waste heat recovery system, a heat exchanger 11 connected to the hot water waste heat recovery system and the hot air waste heat recovery system, and a flash tank 22 connected to a heat exchanger 18 in the heat exchanger 11 through a water storage pipe 20 and a circulation pipe 21.
The hot water waste heat recovery system comprises a recovery water tank 4 connected with a condensed water outlet pipe 3 of a jacket heat exchanger 2 on the decocting tank 1 and a heat storage water tank 7 connected with the recovery water tank 4 through a drain pipe 5; the heat storage water tank 7 is respectively connected with a waste water heat exchanger 17 in the heat exchange device 11 through a water inlet pipe 8 and a return pipe 9.
The hot air waste heat recovery system comprises an air inlet pipe 14 connected with a moisture exhaust air pipe 13 of the oven 12, a moisture exhaust fan 15 is arranged on the air inlet pipe 14, the other end of the air inlet pipe 14 is connected with a waste gas heat exchanger 16 in the heat exchange device 11, and an air outlet of the waste gas heat exchanger 16 is connected with a moisture exhaust waste gas outlet pipe 19.
A steam output pipeline 23 is connected above the flash tank 22, a steam booster pump 24 is arranged on the steam output pipeline 23, and a hot water supply pipe 26, a hot water return pipe 25 and a water replenishing pipe 27 are further arranged on the flash tank 22.
A drain valve is arranged on the water outlet pipe, a water supply pump 6 is arranged on the water outlet pipe 5, a circulating pump 10 is respectively arranged on the water inlet pipe 8 and the circulating pipe 21, a water supply booster pump 28 is arranged on the hot water supply pipe 26, and a low-pressure water replenishing pump 29 is arranged on the water replenishing pipe 27.
The heat exchange device 11 comprises an exhaust gas heat exchanger 16, a waste water heat exchanger 17, a heat exchanger 18, a compressor, a liquid storage tank, an expansion valve and the like, and the connection mode of the waste gas heat exchanger, the waste water heat exchanger, the compressor, the liquid storage tank, the expansion valve and the like is the conventional mode.
Working principle of the refrigerant: the high pressure refrigerant liquid in the liquid storage tank is changed into low pressure liquid through the expansion valve, the refrigerant is changed into low pressure gas after heat exchange is carried out through the waste gas heat exchanger 16 and the waste water heat exchanger 17, the low pressure gas is changed into high pressure gas through the compressor, the high pressure gas enters the heat exchanger 18 for heat exchange, the high pressure liquid is changed, and then the high pressure liquid flows back to the liquid storage tank.
The utility model discloses a theory of operation:
waste gas waste heat recovery: the high-temperature moisture-removing air in the medicinal material oven 12 is introduced into a waste gas heat exchanger 16 in a heat exchange device 11 through a moisture-removing fan 15, the low-temperature low-pressure refrigerant absorbs heat contained in the high-temperature moisture-removing air in the waste gas heat exchanger 16 through a heat pump principle, then the low-temperature low-pressure refrigerant enters a compressor for adiabatic compression, the high-temperature high-pressure refrigerant is prepared and flows into the heat exchanger 18 for heat release, hot water in the heat exchanger 18 is heated, hot water at about 120 ℃ can be prepared and is injected into a flash tank 22 through a circulating pump 10, steam at about 0.2MPa is obtained by a steam booster pump 24 and is conveyed into a required process operation body, and hot water at 120 ℃ can be provided by a hot water supply booster pump 28 for sterilization and disinfection of process vessels or other purposes.
Waste water waste heat recovery: the high-temperature condensed water generated in the jacket heat exchanger 2 is collected by the high-temperature condensed water recovery water tank 4, then the high-temperature condensed water is filled into the heat storage water tank 7 by the water supply pump 6, the high-temperature condensed water is introduced into the waste gas heat exchanger 16 in the heat exchange device 11 by the circulating pump 10, the low-temperature low-pressure refrigerant absorbs the heat contained in the high-temperature condensed water in the waste gas heat exchanger 16 by the heat pump principle, the high-temperature low-pressure refrigerant enters the compressor for adiabatic compression, the high-temperature high-pressure refrigerant is prepared to flow into the heat exchanger 18 for heat release, the hot water in the heat exchanger 18 can be prepared to be the hot water at about 120 ℃, the hot water is injected into the flash tank 22 by the circulating pump 10, the steam at about 0.2MPa can be obtained by the steam booster pump 24 and is conveyed to a required process operation body, the hot water at 120 ℃ can be provided by the hot water booster pump 28 for sterilization and disinfection of process vessels or other purposes.
The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified, and the structural arrangements, operations, or controls referred to in the above embodiments are conventional in the art unless otherwise specified.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. A heat pump device for waste heat recovery is characterized by comprising a hot water waste heat recovery system, a hot air waste heat recovery system, a heat exchange device connected with the hot water waste heat recovery system and the hot air waste heat recovery system, and a flash tank connected with a heat exchanger in the heat exchange device through a water storage pipe and a circulating pipe; the upper part of the flash tank is connected with a steam output pipeline, the steam output pipeline is provided with a steam booster pump, and the flash tank is also provided with a hot water supply pipe, a hot water return pipe and a water replenishing pipe.
2. The heat pump device for waste heat recovery according to claim 1, wherein the hot water waste heat recovery system comprises a recovery water tank connected to a condensed water outlet pipe of a jacket heat exchanger on the decocting tank, and a hot water storage tank connected to the recovery water tank through a drain pipe; the heat storage water tank is connected with the waste water heat exchanger in the heat exchange device through a water inlet pipe and a return pipe respectively.
3. The heat pump device for waste heat recovery according to claim 1, wherein the hot air waste heat recovery system comprises an air inlet pipe connected with a moisture exhaust air pipe of the oven, a moisture exhaust fan is arranged on the air inlet pipe, the other end of the air inlet pipe is connected with a waste gas heat exchanger in the heat exchange device, and a moisture exhaust waste gas outlet pipe is connected to an air outlet of the waste gas heat exchanger.
4. The heat pump apparatus for recovering waste heat according to claim 1, wherein a circulation pump is provided on the circulation pipe, a water supply pressurizing pump is provided on the hot water supply pipe, and a low pressure water replenishing pump is provided on the water replenishing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222573792.4U CN218723011U (en) | 2022-09-28 | 2022-09-28 | Heat pump device for waste heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222573792.4U CN218723011U (en) | 2022-09-28 | 2022-09-28 | Heat pump device for waste heat recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218723011U true CN218723011U (en) | 2023-03-24 |
Family
ID=85638117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222573792.4U Active CN218723011U (en) | 2022-09-28 | 2022-09-28 | Heat pump device for waste heat recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218723011U (en) |
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2022
- 2022-09-28 CN CN202222573792.4U patent/CN218723011U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 72 Zijingshan Road, Zhengzhou City, Henan Province Patentee after: Sanzhang Energy Conservation Engineering Co.,Ltd. Address before: No. 72 Zijingshan Road, Zhengzhou City, Henan Province Patentee before: HENAN 3ZHANG SAVING ENERGY AND ENVIRONMENTAL PROTECTION ENGINEERING CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |