CN218348829U - Energy centralized recovery system for evaporative condensation heat pump with dispersed exhaust source - Google Patents
Energy centralized recovery system for evaporative condensation heat pump with dispersed exhaust source Download PDFInfo
- Publication number
- CN218348829U CN218348829U CN202222289269.9U CN202222289269U CN218348829U CN 218348829 U CN218348829 U CN 218348829U CN 202222289269 U CN202222289269 U CN 202222289269U CN 218348829 U CN218348829 U CN 218348829U
- Authority
- CN
- China
- Prior art keywords
- port
- heat exchanger
- way reversing
- recovery
- reversing valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Abstract
The utility model discloses a distributed exhaust source evaporation and condensation heat pump energy centralized recovery system, which comprises a plurality of exhaust recovery units and heat pump units, wherein the exhaust recovery units are embedded at the air inlet of each exhaust fan and comprise a first heat exchanger for recovering the energy in the exhaust; the heat pump unit comprises a compressor, a four-way reversing valve and a plate type heat exchanger, wherein a gas outlet of the compressor is connected with a first port of the four-way reversing valve, a gas inlet of the compressor is connected with a second port of the four-way reversing valve, a third port of the four-way reversing valve is connected with one end of the first heat exchanger in series through a first transmission pipeline, the other end of the first heat exchanger is sequentially connected with a first expansion valve in series through a second transmission pipeline, a port on one side of the plate type heat exchanger is connected behind the electronic expansion valve, the other port on the side is connected into a fourth port of the four-way reversing valve, and the other side of the plate type heat exchanger is connected with a central air-conditioning water system in series.
Description
Technical Field
The utility model relates to a cold/heat recovery system especially relates to a scattered source of airing exhaust evaporation condensation heat pump energy concentration recovery system.
Background
China established the development goal of achieving carbon peak by 2030 and carbon neutralization by 2060. The core to achieve the dual carbon goal is energy conservation. In order to ensure the air quality in a building, a fresh air exhaust system and an air exhaust system are generally arranged, the fresh air at the outdoor environment temperature needs to be refrigerated and heated in the refrigerating and heating seasons, and the electricity or other energy sources need to be consumed when the air is treated. Simultaneously cooperate new trend system to need set up exhaust system (the amount of wind is balanced), need with indoor air discharge outdoor, this partial air temperature is indoor ambient temperature, has certain energy, if can retrieve it, just can reduce the building energy consumption, the new volume of airing exhaust of building is big more moreover, the recovery effect is better, the heat recovery system of airing exhaust commonly used now has:
1 total heat recovery: (1) rotating wheel, (2) plate type, etc., and (3) solution.
2, sensible heat recovery: (1) ethylene glycol, and (2) a heat pipe.
The device and the equipment are commonly used in a fresh air system, one air exhaust system is corresponding, the system design and the air pipe arrangement have certain requirements and difficulties, and the application scene is not very wide.
In addition, the energy recovered by the conventional recovery system is low-level energy (low temperature) and cannot be directly used in the central air-conditioning water system of the building, so that a recovery system is needed to raise the temperature of the recovered energy and then concentrate and use the raised energy in the central air-conditioning water system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect in the background art, provide a scattered source of airing exhaust evaporation condensation heat pump energy and concentrate recovery system, utilize the heat pump to ally oneself with the technique more, concentrate the recovery with the energy of the building of dispersion in airing exhaust, concentrate and utilize central air conditioning water system in, the system is arranged simply, and recovery efficiency is high, can reduce the whole energy consumption in the building air conditioner.
In order to achieve the above object, the utility model provides a following technical scheme: a distributed exhaust source evaporation and condensation heat pump energy centralized recovery system comprises a plurality of exhaust recovery units and heat pump units, wherein the exhaust recovery units are embedded at the air inlet positions of exhaust fans and comprise first heat exchangers for recovering energy in exhaust; the heat pump unit comprises a compressor, a four-way reversing valve and a plate type heat exchanger, wherein the gas outlet of the compressor is connected with a first port of the four-way reversing valve, the gas inlet of the compressor is connected with a second port of the four-way reversing valve, a third port of the four-way reversing valve is connected with one end of the first heat exchanger in series through a first transmission pipeline, the other end of the first heat exchanger is sequentially connected with a first expansion valve in series through a second transmission pipeline, a port on one side of the plate type heat exchanger is connected behind the electronic expansion valve, the other port on the side of the electronic expansion valve is connected into a fourth port of the four-way reversing valve, and the other side of the plate type heat exchanger is connected with a central air conditioning water system in series.
Preferably, a first dry filter is arranged between the first expansion valve and the electronic expansion valve, and a second dry filter is arranged between the compressor and the first heat exchanger.
Preferably, the central air-conditioning water system comprises a heating power pipe network heat exchanger, a hot water unit, a refrigerating unit and a circulating water pump network.
Preferably, the plate heat exchanger may be replaced by a shell and tube heat exchanger.
Preferably, the system comprises a winter heat recovery and reuse system and a summer cold recovery and reuse system.
Preferably, in the winter heat recovery and reuse system, the first port and the third port of the four-way reversing valve are communicated, and the second port and the fourth port are communicated.
Preferably, in the summer cold recycling system, the first port and the fourth port of the four-way reversing valve are communicated, and the second port and the third port of the four-way reversing valve are communicated.
Compared with the prior art, the utility model discloses a scattered source of airing exhaust evaporation condensation heat pump energy concentrates recovery system has following beneficial effect: the energy in the dispersed indoor exhaust air is recycled and used in a central air-conditioning water system of the building by utilizing the multi-connected heat pump technology, and compared with other heat recovery technologies, the application is more flexible, the energy recovery is more thorough, and the energy consumption of the whole air conditioner of the building can be greatly reduced.
Drawings
Fig. 1 is an overall schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of an exhaust air recovery unit according to an embodiment of the present invention;
fig. 3 is a schematic view of a heat pump unit according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses a scattered source evaporation condensation heat pump energy of airing exhaust concentrates recovery system, use in building air conditioning system, energy to each in airing exhaust in the building is retrieved, handle the back through heat pump system and handle air conditioning water system, effectively reduce the energy consumption, its system layout is as shown in figure 1, including a plurality of recovery unit 1 of airing exhaust, heat pump unit 2 and central air conditioning water system unit 3, wherein the recovery unit of airing exhaust inlays the air intake department at each exhaust fan, retrieve the energy in the source of airing exhaust, heat pump unit connects recovery unit and the central air conditioning water system unit of airing exhaust respectively, further heat the intensification to the refrigerant of sending into.
Specifically, the exhaust air recovery unit comprises a first heat exchanger 4 for recovering energy in exhaust air, a first expansion valve 5 and a first drying filter 6 which are sequentially connected with one end of the first heat exchanger, the first heat exchanger is used as an evaporator in winter recovery and as a condenser in summer recovery, and because exhaust fans in a building are in a distributed layout, a plurality of exhaust air recovery units are connected into a transmission pipeline in a parallel mode.
The heat pump unit comprises a compressor 7, a four-way reversing valve 8, an electronic expansion valve 9 and a plate heat exchanger 10, wherein a gas outlet of the compressor is connected with a first port of the four-way reversing valve, a gas inlet of the compressor is connected with a second port of the four-way reversing valve, a third port of the four-way reversing valve is connected with one end, which is not provided with the first expansion valve, of the first heat exchanger through a first transmission pipeline 11, one end, which is provided with the first expansion valve, of the first heat exchanger is connected with one port on one side of the plate heat exchanger after being connected with the electronic expansion valve in series through a second transmission pipeline 12, the other port on the side of the plate heat exchanger is connected with a fourth port of the four-way reversing valve, the other side of the plate heat exchanger is connected with a central air-conditioning water system unit, and a third drying filter 13 is arranged between the compressor and the first heat exchanger.
The central air conditioning water system comprises a heat distribution pipe network heat exchanger 14, a hot water unit 15, a refrigerating unit 16 and a circulating water pump network 17.
The system includes a winter heat recovery and reuse system and a summer cold recovery and reuse system.
In the winter heat recovery and reuse system, a first port of a four-way reversing valve is communicated with a third port, a second port is communicated with a fourth port, the indoor exhaust temperature is 20 ℃, a medium-temperature high-pressure liquid refrigerant from a plate heat exchanger passes through an electronic expansion valve and absorbs indoor exhaust heat in the first heat exchanger, the medium-temperature high-pressure liquid refrigerant is expanded and vaporized to be changed into a low-temperature low-pressure vapor refrigerant, the low-temperature low-pressure vapor refrigerant enters a compressor through a first transmission pipeline and is compressed into high-temperature high-pressure liquid, then the high-temperature high-pressure liquid refrigerant enters the plate heat exchanger, the heat is transferred to water on the other side of the plate heat exchanger, and the medium-temperature high-pressure liquid refrigerant is cooled by the system water to enter the first heat exchanger again, and the next circulation is started.
In the summer cold recycling system, a first port of a four-way reversing valve is communicated with a fourth port, a second port is communicated with a third port, the indoor exhaust temperature is 26 ℃, high-temperature and high-pressure liquid refrigerant from a compressor absorbs indoor exhaust cold in a first heat exchanger through an electronic expansion valve, heat is released by vaporization to form medium-high temperature vapor refrigerant, the refrigerant enters an expansion valve for throttling and depressurization to form low-temperature and low-pressure liquid, the low-temperature and low-pressure liquid enters a plate heat exchanger for heat exchange with water on the other side, the refrigerant absorbs heat in the water and is vaporized to form low-temperature and low-pressure gas to enter the compressor, the high-temperature and high-pressure liquid is compressed and boosted to enter the first heat exchanger, and next circulation starts.
In this system, winter utilizes the temperature of airing exhaust to be higher than ambient temperature, arranges first heat exchanger (condenser) in indoor exhaust system, summer utilizes indoor airing exhaust to be less than outdoor ambient temperature, arranges first heat exchanger (evaporimeter) in indoor exhaust system, and heat absorption (refrigeration) heat release (heating) under the indoor temperature environment can improve heat pump system operating efficiency by a wide margin under comparing outdoor ambient temperature to can concentrate the recovered energy to a plurality of exhaust system concurrent operation.
The terms "first," "second," and the like are used herein to define components, as one skilled in the art would know: the use of the words "first", "second", etc. is merely for convenience in describing the differences between the components. Unless otherwise stated, the above words have no special meaning.
Finally, it should be noted that: the above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.
Claims (7)
1. The utility model provides a distributed exhaust source evaporation condensation heat pump energy concentrates recovery system which characterized in that: the system comprises a plurality of exhaust air recovery units and a heat pump unit, wherein the exhaust air recovery units are embedded at the air inlet positions of the exhaust fans and comprise first heat exchangers for recovering energy in exhaust air; the heat pump unit comprises a compressor, a four-way reversing valve and a plate type heat exchanger, wherein the gas outlet of the compressor is connected with a first port of the four-way reversing valve, the gas inlet of the compressor is connected with a second port of the four-way reversing valve, a third port of the four-way reversing valve is connected with one end of the first heat exchanger in series through a first transmission pipeline, the other end of the first heat exchanger is sequentially connected with a first expansion valve in series through a second transmission pipeline, a port on one side of the plate type heat exchanger is connected behind the electronic expansion valve, the other port on the side of the electronic expansion valve is connected into a fourth port of the four-way reversing valve, and the other side of the plate type heat exchanger is connected with a central air conditioning water system in series.
2. The system for concentrated recovery of energy from evaporative condensation heat pumps with distributed exhaust sources as claimed in claim 1, wherein: and a first drying filter is arranged between the first expansion valve and the electronic expansion valve, and a second drying filter is arranged between the compressor and the first heat exchanger.
3. The system for concentrated energy recovery of evaporative condensation heat pumps with distributed exhaust sources as claimed in claim 1, wherein: the central air conditioning water system comprises a heating power pipe network heat exchanger, a hot water unit, a refrigerating unit and a circulating water pump network.
4. The system for concentrated recovery of energy from evaporative condensation heat pumps with distributed exhaust sources as claimed in claim 1, wherein: the plate heat exchanger can be replaced by a shell-and-tube heat exchanger.
5. The system for concentrated recovery of energy from evaporative condensation heat pumps with distributed exhaust sources as claimed in claim 1, wherein: the system comprises a winter heat recycling system and a summer cold recycling system.
6. The system for concentrated energy recovery of evaporative condensation heat pumps with distributed exhaust air sources as claimed in claim 5, wherein: in the winter heat recovery and reuse system, a first port and a third port of a four-way reversing valve are communicated, and a second port and a fourth port of the four-way reversing valve are communicated.
7. The system for concentrated energy recovery of evaporative condensation heat pumps with distributed exhaust air sources as claimed in claim 5, wherein: in the summer cold recycling system, a first port of a four-way reversing valve is communicated with a fourth port, and a second port of the four-way reversing valve is communicated with a third port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222289269.9U CN218348829U (en) | 2022-08-30 | 2022-08-30 | Energy centralized recovery system for evaporative condensation heat pump with dispersed exhaust source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222289269.9U CN218348829U (en) | 2022-08-30 | 2022-08-30 | Energy centralized recovery system for evaporative condensation heat pump with dispersed exhaust source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218348829U true CN218348829U (en) | 2023-01-20 |
Family
ID=84915817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222289269.9U Active CN218348829U (en) | 2022-08-30 | 2022-08-30 | Energy centralized recovery system for evaporative condensation heat pump with dispersed exhaust source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218348829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388537A (en) * | 2022-08-30 | 2022-11-25 | 南通华信中央空调有限公司 | Energy centralized recovery system of evaporative condensation heat pump with dispersed exhaust source |
-
2022
- 2022-08-30 CN CN202222289269.9U patent/CN218348829U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388537A (en) * | 2022-08-30 | 2022-11-25 | 南通华信中央空调有限公司 | Energy centralized recovery system of evaporative condensation heat pump with dispersed exhaust source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100538208C (en) | A kind of double-temperature refrigerator water/cold wind unit | |
| CN101975428A (en) | Air-cooling thermotube-type machine room air-conditioning system | |
| CN109373480B (en) | Energy-saving purification air-conditioning system combining evaporative cooling and evaporative condensation | |
| CN113446756A (en) | Four-pipe air source heat pump unit with variable-speed compressor | |
| CN218348829U (en) | Energy centralized recovery system for evaporative condensation heat pump with dispersed exhaust source | |
| CN105276861A (en) | Compensation type double-source heat pump cold and hot air air-conditioner unit | |
| CN110749018A (en) | Single-machine two-stage compression middle air exhaust heat recovery fresh air processing device | |
| CN112146301B (en) | Evaporative cold screw cold and hot water unit with total heat recovery | |
| CN2884059Y (en) | Cold/hot parallel type cold water supply set | |
| CN200982761Y (en) | Cool warm hot three-combined air energy machine set | |
| CN218348828U (en) | Concentrated energy recycling system of exhaust source of operation department | |
| CN112577133A (en) | Fresh air conditioner and heat pump all-in-one machine | |
| CN217274603U (en) | Indirect evaporation and compression type refrigeration composite air conditioning system for data center | |
| WO2022033106A1 (en) | Air conditioning system, air conditioner, and control method for air conditioning system | |
| CN212618650U (en) | Air conditioning system and air conditioner with same | |
| CN201392050Y (en) | Evaporative condensed water cooling and heating unit with heat recoverer | |
| CN210035967U (en) | Air source heat pump defrosting system | |
| CN110285572B (en) | Air-supplying and enthalpy-increasing double-source heat pump water heater system | |
| CN210638220U (en) | Air conditioning system combining jet refrigeration and dew point evaporative cooling | |
| CN111811041A (en) | Air conditioner system and air conditioner with same | |
| CN115388537A (en) | Energy centralized recovery system of evaporative condensation heat pump with dispersed exhaust source | |
| CN209267917U (en) | A kind of heat recovery module data center | |
| CN113418316A (en) | Injection enthalpy-increasing water cooling air-cooled heat pump module unit | |
| CN111811042A (en) | Air conditioner system and air conditioner with same | |
| CN219346825U (en) | Overlapping evaporation water-cooling integrated type cold and hot double-supply type air source heat pump unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |