CN212409136U - Waste heat recovery heat pump system - Google Patents
Waste heat recovery heat pump system Download PDFInfo
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- CN212409136U CN212409136U CN202020835540.2U CN202020835540U CN212409136U CN 212409136 U CN212409136 U CN 212409136U CN 202020835540 U CN202020835540 U CN 202020835540U CN 212409136 U CN212409136 U CN 212409136U
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- condenser
- waste heat
- heat recovery
- compressor
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Abstract
The utility model discloses a waste heat recovery heat pump system, which comprises a compressor, a condenser, a throttling device, an evaporator, a steam compressor, a pressure reducing valve, a damp and hot exhaust device, a condensate pump, a waste heat recovery device and a vacuum pump, wherein the outlet of the compressor, the high-temperature refrigerant inlet of the condenser, the refrigerant outlet of the condenser, the throttling device, the evaporator and the inlet of the compressor are sequentially connected; the steam outlet of the condenser, the steam compressor and the pressure reducing valve are connected in sequence; the waste heat recovery device, the condensate pump and a condensate inlet of the condenser are connected in sequence; one end of the damp and hot air exhaust device is connected with the waste heat recovery device, and the other end of the damp and hot air exhaust device is connected with the evaporator. The utility model discloses a waste heat recovery heat pump system has combined damp and hot air and comdenstion water while recycle, has both satisfied the environmental requirement of workshop dehumidification cooling, has improved thermal recycle simultaneously again, has reduced the energy consumption.
Description
Technical Field
The utility model relates to a waste heat recovery heat pump system.
Background
In general, a large amount of steam is used in the chemical and material processing process, and since the steam comes from a centralized pipeline, the used condensed water is either discharged or partially used for heating or partially recycled in the process. The discharged condensed water not only causes waste due to heat, but also causes thermal pollution of the environment. The hot air in the workshop can cause the temperature of workshop equipment to be too high, or the operational environment humiture is too high, still needs the air conditioner to be used for dehumidification and refrigeration, has still increased the energy resource consumption of mill.
In the traditional food biochemical industry, a large amount of low-temperature waste heat with the temperature of over 60 ℃ is generally generated in the production and processing processes, and the heat can be recycled by the heat pump principle.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's defect, providing a waste heat recovery heat pump system, having combined damp and hot air and comdenstion water while recycle, both satisfied the environmental requirement of workshop dehumidification cooling, improved thermal recycle simultaneously again, reduced the energy consumption.
The technical scheme for realizing the aim is as follows: the utility model provides a waste heat recovery heat pump system, includes compressor, condenser, throttling arrangement, evaporimeter, vapor compressor, relief pressure valve, damp and hot exhaust device, condensate pump, waste heat recovery device and vacuum pump, wherein:
the outlet of the compressor, the high-temperature refrigerant inlet of the condenser, the refrigerant outlet of the condenser, the throttling device, the evaporator and the inlet of the compressor are sequentially connected;
the steam outlet of the condenser, the steam compressor and the pressure reducing valve are connected in sequence;
the waste heat recovery device, the condensate pump and a condensate inlet of the condenser are connected in sequence;
one end of the damp and hot air exhaust device is connected with the waste heat recovery device, and the other end of the damp and hot air exhaust device is connected with the evaporator;
the vacuum pump is connected with the condenser.
In the above waste heat recovery heat pump system, the condenser is of a closed structure, and the vacuum pump maintains a negative pressure in the condenser.
In the above waste heat recovery heat pump system, the throttle device is an electronic expansion valve, a thermostatic expansion valve or a throttle regulating valve.
In the above waste heat recovery heat pump system, the evaporator is an air-cooled heat exchanger, and a fan is arranged inside the evaporator to suck air.
The utility model discloses a waste heat recovery heat pump system has combined damp and hot air and comdenstion water while recycle, has both satisfied the environmental requirement of workshop dehumidification cooling, has improved thermal recycle simultaneously again, has reduced the energy consumption.
Drawings
Fig. 1 is a schematic structural diagram of an exhaust heat recovery heat pump system according to the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following detailed description is provided with reference to the accompanying drawings:
referring to fig. 1, a waste heat recovery heat pump system according to a preferred embodiment of the present invention includes a compressor 1, a condenser 2, a throttle device 3, an evaporator 4, a vapor compressor 8, a pressure reducing valve 9, a damp-heat exhaust device 5, a condensate pump 7, a waste heat recovery device 5, and a vacuum pump 10.
An outlet of the compressor 1, a high-temperature refrigerant inlet 2a of the condenser 2, a refrigerant outlet 2b of the condenser 2, a throttling device 3, an evaporator 4 and an inlet of the compressor 1 are sequentially connected; a steam outlet 2c of the condenser 2, a steam compressor 8 and a pressure reducing valve 9 are connected in sequence; the waste heat recovery device 6, the condensate pump 7 and the condensate inlet 2d of the condenser 2 are connected in sequence; one end of the damp and hot air exhaust device 5 is connected with the waste heat recovery device 6, and the other end is connected with the evaporator 4; a vacuum pump 10 is connected to the condenser 2.
The compressor 1 can be various types of refrigerant compressors, and is not limited to screw type and centrifugal type; the condenser 2 is a closed structure, the vacuum pump 10 maintains the negative pressure in the condenser 2, and the condensed water is heated by the condenser 2 and evaporated under the negative pressure and the low boiling point. The throttling device 3 adopts an electronic expansion valve, a thermal expansion valve or a throttling regulating valve. The evaporator 4 adopts an air-cooled heat exchanger, and a fan is arranged in the evaporator 4 for air suction. A steam compressor 8 is used to boost the steam pressure after evaporation and a pressure reducing valve 9 is used to provide the required steam pressure to the point of use 100.
The waste heat recovery device 6 is used for collecting heat of a using point 100 and separating the recovered heat into hot humid air and condensed water, and the hot humid air is conveyed to the evaporator 4 by the hot humid air exhaust device 5 to recover the heat; the condensed water is conveyed to the condenser 2 by a condensed water pump 7 to recover heat.
The utility model discloses a waste heat recovery heat pump system, when using, the refrigerant passes through 1 promotion temperature of compressor and pressure, and high temperature refrigerant gets into condenser 2, and the comdenstion water heating evaporation with retrieving, the pressure of the condensate water side in the condenser 2 is taken out into the negative pressure through vacuum pump 10, and the comdenstion water boils the evaporation more easily under the negative pressure, pressurizes after steam compressor 8 after the comdenstion water becomes steam to carry each service point 100 through relief pressure valve 9. The heat of the using point 100 is separated into condensed water and damp and hot air by the waste heat recovery device 6, the condensed water is conveyed to the condenser 2 by the condensed water pump 7 to recover the heat, and the damp and hot air enters the evaporator 4 by the damp and hot exhaust device 5 to dehumidify and cool, and meanwhile, the heat is recovered.
The utility model discloses a waste heat recovery heat pump system aims at retrieving hot-air and the comdenstion water in industrial production and the course of working, promotes the pressure of evaporation and recycles heat and pressure through heat pump system and vapor compressor, and waste heat recovery heat pump system mainly uses in material processing fields such as food biochemistry, papermaking, weaving, printing and dyeing.
To sum up, the utility model discloses a waste heat recovery heat pump system has combined damp and hot air and comdenstion water while recycle, has both satisfied the environmental requirement of workshop dehumidification cooling, has improved thermal recycle simultaneously again, has reduced the energy consumption.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (4)
1. The utility model provides a waste heat recovery heat pump system which characterized in that, includes compressor, condenser, throttling arrangement, evaporimeter, vapor compressor, relief pressure valve, damp and hot exhaust device, condensate pump, waste heat recovery device and vacuum pump, wherein:
the outlet of the compressor, the high-temperature refrigerant inlet of the condenser, the refrigerant outlet of the condenser, the throttling device, the evaporator and the inlet of the compressor are sequentially connected;
the steam outlet of the condenser, the steam compressor and the pressure reducing valve are connected in sequence;
the waste heat recovery device, the condensate pump and a condensate inlet of the condenser are connected in sequence;
one end of the damp and hot air exhaust device is connected with the waste heat recovery device, and the other end of the damp and hot air exhaust device is connected with the evaporator;
the vacuum pump is connected with the condenser.
2. A waste heat recovery heat pump system as claimed in claim 1, wherein the condenser is of a closed configuration, the negative pressure within the condenser being maintained by the vacuum pump.
3. The waste heat recovery heat pump system of claim 1, wherein the throttling device is an electronic expansion valve, a thermal expansion valve, or a throttle regulating valve.
4. The waste heat recovery heat pump system of claim 1, wherein the evaporator is an air-cooled heat exchanger, and a fan is arranged to draw air into the evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020835540.2U CN212409136U (en) | 2020-05-19 | 2020-05-19 | Waste heat recovery heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020835540.2U CN212409136U (en) | 2020-05-19 | 2020-05-19 | Waste heat recovery heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212409136U true CN212409136U (en) | 2021-01-26 |
Family
ID=74403755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020835540.2U Active CN212409136U (en) | 2020-05-19 | 2020-05-19 | Waste heat recovery heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212409136U (en) |
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2020
- 2020-05-19 CN CN202020835540.2U patent/CN212409136U/en active Active
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