CN105485962A - Solar energy low-temperature ice source heat pump cold and hot water unit for northern areas - Google Patents
Solar energy low-temperature ice source heat pump cold and hot water unit for northern areas Download PDFInfo
- Publication number
- CN105485962A CN105485962A CN201510936021.9A CN201510936021A CN105485962A CN 105485962 A CN105485962 A CN 105485962A CN 201510936021 A CN201510936021 A CN 201510936021A CN 105485962 A CN105485962 A CN 105485962A
- Authority
- CN
- China
- Prior art keywords
- interchanger
- ice source
- interface
- temperature
- low
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 241000521257 Hydrops Species 0.000 claims description 31
- 206010030113 Oedema Diseases 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 17
- 239000000945 filler Substances 0.000 claims description 16
- 230000005855 radiation Effects 0.000 claims description 15
- 239000003507 refrigerant Substances 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000003570 air Substances 0.000 description 19
- 238000005057 refrigeration Methods 0.000 description 5
- 239000012080 ambient air Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention relates to a solar energy low-temperature ice source heat pump cold and hot water unit for northern areas. The solar energy low-temperature ice source heat pump cold and hot water unit is characterized by comprising an air interchanger, an interchanger, a low-temperature stage compression unit and a high-temperature stage compression unit; the upper end of the interchanger is connected with a solar thermal collector through a valve opening; and the air interchanger comprises an outer machine shell, a filling chamber, a draught fan and an ice source solution accumulation pool. The solar energy low-temperature ice source heat pump cold and hot water unit has the advantages of being compact in structure and low in cost; a cold medium which cannot freeze at the temperature at 30 DEG C below zero exchanges heat with air and serves as refrigerating fluid or a heating agent, and therefore the refrigerating or heating effect is improved; and high-temperature evaporation can be further carried out, the efficiency is improved, energy consumption is obviously reduced, pollution is reduced, the solar energy low-temperature ice source heat pump cold and hot water unit can be suitable for environments, like the northern areas, with cold weather.
Description
Technical field
The invention belongs to ice source technology field, concrete is a kind of ice source heat pump refrigerating and heating unit for the north.
Background technology
Thermic load needed for the winter in most of area and the imbalance of the refrigeration duty needed for summer, southern refrigeration duty far exceedes thermic load, the heating efficiency in the north is lower, the thermic load in the north is again much larger than refrigeration duty, changes in temperature are load unbalanced, year after year, underground pipe water resource heat pump finally makes the subsurface temperature of southern project more and more higher heat radiation be deteriorated, Energy Efficiency Ratio when causing the water resource heat pump of this area to need most cooling in summer reduces gradually, the subsurface temperature of north project can be deteriorated in more and more lower heat absorption, Energy Efficiency Ratio when causing the water resource heat pump of this area to need most winter heating reduces gradually, along with the passing of the time limit, final this overlaps costly energy conserving system and may paralyse, also can there is the danger of geology variation, such cost is also quite high.
Summary of the invention
The object of this invention is to provide the solar low-temperature ice source heat pump refrigerating and heating unit in a kind of compact conformation, the north that cost is low, it carries out heat exchange by coolant media not congelative when subzero 30 DEG C and air, as cold-producing medium or heating agent, improve the effect of refrigeration or heating, reduce energy consumption, can be seasoned oneself to cold weather environment, decreasing pollution, can be domestic hot-water and use.
The object of the invention is to realize by the following technical solutions, it comprises brethaid, interchanger, low-temperature level compression set and high-temperature level compression set;
Low-temperature level compression set comprises one-level interchanger, low-temperature level compressor, first gas-liquid separator and the first commutation cross valve, the cold-producing medium of one-level interchanger and the ice source solution heat exchange of brethaid, the refrigerant interface of one-level interchanger is connected with the upper end interface of interchanger by the first valve group, commutate one of them interface of cross valve of another refrigerant interface and first of one-level interchanger is connected, in first its excess-three of commutation cross valve interface, one of them interface is connected with the import of low-temperature level compressor by the first gas-liquid separator, the going out to hold of another interface and low-temperature level compressor is connected, a remaining interface is connected with another interface of the upper end of interchanger,
High-temperature level compression set comprises secondary interchanger, high-temperature level compressor, second gas-liquid separator and the second commutation cross valve, the refrigerant interface of secondary interchanger is connected with the interface of interchanger lower end by the second valve group, commutate one of them interface of cross valve of another refrigerant interface and second of secondary interchanger is connected, in second its excess-three of commutation cross valve interface, one of them interface is connected with the import of high-temperature level compressor by the second gas-liquid separator, another interface is connected with another interface of the lower end of interchanger, a remaining interface is connected with the outlet of high-temperature level compressor, the surface of secondary interchanger is two and crosses the mouth of a river,
The upper end of interchanger is connected with solar thermal collector by valve port;
Brethaid comprises outer cage body, filled chamber, blower fan and solution hydrops pond, ice source, the housing sidewall of filled chamber both sides is provided with air intlet and air outlet slit, blower fan is fixed on the air outlet slit place of housing, solution hydrops pond, ice source to be arranged in housing and to be positioned at immediately below filled chamber, solution hydrops pond, ice source is communicated with the inlet of one-level interchanger, the liquid outlet of one-level interchanger is connected with the spray thrower being arranged on filled chamber top by water circulating pump, Nei Bing source, solution hydrops pond, ice source solution sprays by spray thrower in filled chamber, the lower end of filled chamber is provided with the taphole that solution hydrops pond, ice source communicates, solution hydrops pond, ice source is connected by the valve of tube connector with the upper end of interchanger, solution hydrops pond, ice source is connected with another valve of interchanger upper end by bypass pipe with on the tube connector between one-level interchanger.
In solution hydrops pond, ice source, subzero 30 DEG C of uncongealable ice source solution are added in the present invention, by water circulating pump, the ice source solution in solution hydrops pond, ice source is transported on spray thrower, sprayed in filled chamber by spray thrower, simultaneously, outside ambient air sucks from air intlet by blower fan, the ice source solution in outside air and filled chamber is made to carry out heat exchange, outside air is discharged by air outlet slit after filled chamber, and the ice source solution through heat exchange is imported again in solution hydrops pond, ice source as cold-producing medium or heating agent by the filler being filled in filled chamber.This solution can not freeze subzero 30 DEG C time, do not need again defrosting winter, lasting efficient stable heats, heating efficiency is high, when need use hot water, be that two of crossing in the mouth of a river connect water pipe by the surface of secondary interchanger, one connects hot-water line, by the water in secondary interchanger being heated, to provide hot water after pressure increasing heat-exchanging.Structure is simple, and without geographical restriction, center, big city all can be installed, cheap, utilizes environment thermal energy, and it is most economical, the most practical, the most inexhaustible regenerative resource.The present invention is actually the thermal gradient energy of extraction environment, sustainable with external environment transferring heat energy, is applicable to the north and uses.
Be filled with in filled chamber further and ice source solution can be made to flow from top to bottom, the heat radiation filler that air circulates from left to right.
Further heat radiation filler is cascade paper.
Further heat radiation filler is PVC plastic tablet, and PVC plastic tablet is formed by multiple independent packing sheet stack combinations.
The both sides of further heat radiation filler are provided with liquid barrier.
The bottom in solution hydrops pond, further ice source is provided with cleaning valve.
Case lid above further spray thrower is rainproof shell.
Owing to have employed technique scheme, the present invention has compact conformation, advantage that cost is low, it carries out heat exchange by coolant media not congelative when subzero 30 DEG C and air, as cold-producing medium or heating agent, improves the effect of refrigeration or heating, also high temperature evaporation can be carried out, improve usefulness, reduce energy consumption significantly, decreasing pollution, the weather environment that can season oneself to cold uses, particularly northern area.
Accompanying drawing explanation
Accompanying drawing of the present invention is described as follows.
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reach object and effect clearly and be easy to understand, below in conjunction with the drawings and specific embodiments, the present invention is further elaborated:
As shown in Figure 1, the present invention comprises brethaid 1, interchanger 2, low-temperature level compression set and high-temperature level compression set;
Low-temperature level compression set comprises one-level interchanger 3, low-temperature level compressor 4, first gas-liquid separator 5 and the first commutation cross valve 6, the cold-producing medium of one-level interchanger 3 and the ice source solution heat exchange of brethaid 1, the refrigerant interface of one-level interchanger is connected with the upper end interface of interchanger by the first valve group 31, commutate one of them interface of cross valve of another refrigerant interface and first of one-level interchanger is connected, in first its excess-three of commutation cross valve interface, one of them interface is connected with the import of low-temperature level compressor by the first gas-liquid separator, the going out to hold of another interface and low-temperature level compressor is connected, a remaining interface is connected with another interface of the upper end of interchanger,
High-temperature level compression set comprises secondary interchanger 7, high-temperature level compressor 8, second gas-liquid separator 10 and the second commutation cross valve 11, the refrigerant interface of secondary interchanger 7 is connected with the interface of interchanger lower end by the second valve group 71, commutate one of them interface of cross valve of another refrigerant interface and second of secondary interchanger is connected, in second its excess-three of commutation cross valve 11 interface, one of them interface is connected with the import of high-temperature level compressor by the second gas-liquid separator, another interface is connected with another interface of the lower end of interchanger, a remaining interface is connected with the outlet of high-temperature level compressor, the surface of secondary interchanger is two and crosses the mouth of a river,
The upper end of interchanger is connected with solar thermal collector 9 by valve port;
Brethaid comprises outer cage body 12, filled chamber 13, blower fan 14 and solution hydrops pond, ice source 15, outer cage body 12 sidewall of filled chamber both sides is provided with air intlet and air outlet slit, blower fan is fixed on the air outlet slit place of housing, solution hydrops pond, ice source to be arranged in housing and to be positioned at immediately below filled chamber, solution hydrops pond, ice source is communicated with the inlet of one-level interchanger, the liquid outlet of one-level interchanger is connected with the spray thrower being arranged on filled chamber top by water circulating pump, Nei Bing source, solution hydrops pond, ice source solution sprays by spray thrower in filled chamber, the lower end of filled chamber is provided with the taphole that solution hydrops pond, ice source communicates, solution hydrops pond, ice source is connected by the valve of tube connector with the upper end of interchanger, solution hydrops pond, ice source is connected with another valve of interchanger upper end by bypass pipe with on the tube connector between one-level interchanger.
In solution hydrops pond, ice source, subzero 30 DEG C of uncongealable ice source solution are added in the present invention, by water circulating pump, the ice source solution in solution hydrops pond, ice source is transported on spray thrower, sprayed in filled chamber by spray thrower, simultaneously, outside ambient air sucks from air intlet by blower fan, the ice source solution in outside air and filled chamber is made to carry out heat exchange, outside air is discharged by air outlet slit after filled chamber, and the ice source solution through heat exchange is imported again in solution hydrops pond, ice source as cold-producing medium or heating agent by the filler being filled in filled chamber.This solution can not freeze subzero 30 DEG C time, do not need again defrosting winter, lasting efficient stable heats, heating efficiency is high, when need use hot water, be that two of crossing in the mouth of a river connect water pipe by the surface of secondary interchanger, one connects hot-water line, by the water in secondary interchanger being heated, to provide hot water after pressure increasing heat-exchanging.Structure is simple, and without geographical restriction, center, big city all can be installed, cheap, utilizes environment thermal energy, and it is most economical, the most practical, the most inexhaustible regenerative resource.The present invention is actually the thermal gradient energy of extraction environment, sustainable with external environment transferring heat energy, is applicable to the north and uses.
Be filled with in filled chamber 13 and ice source solution can be made to flow from top to bottom, the heat radiation filler that air circulates from left to right.After heat radiation filler is filled in filled chamber, there is between each heat radiation filler passage from left to right, facilitate air to circulate from left to right, improve heat exchange efficiency.
Heat radiation filler is cascade paper.
Heat radiation filler is PVC plastic tablet, and PVC plastic tablet is formed by multiple independent packing sheet stack combinations.
In order to prevent in spray process, solution splashes everywhere, and the both sides of heat radiation filler are provided with liquid barrier.
Conveniently clean solution hydrops pond, ice source, the bottom in solution hydrops pond, ice source is provided with cleaning valve 16.
In order to ensure in the winter time ice source solution because of rainwater step-down concentration, the case lid above spray thrower is rainproof shell 17.
Claims (7)
1. a northern solar low-temperature ice source heat pump refrigerating and heating unit, is characterized in that: it comprises brethaid, interchanger, low-temperature level compression set and high-temperature level compression set;
Low-temperature level compression set comprises one-level interchanger, low-temperature level compressor, first gas-liquid separator and the first commutation cross valve, the cold-producing medium of one-level interchanger and the ice source solution heat exchange of brethaid, the refrigerant interface of one-level interchanger is connected with the upper end interface of interchanger by the first valve group, commutate one of them interface of cross valve of another refrigerant interface and first of one-level interchanger is connected, in first its excess-three of commutation cross valve interface, one of them interface is connected with the import of low-temperature level compressor by the first gas-liquid separator, the going out to hold of another interface and low-temperature level compressor is connected, a remaining interface is connected with another interface of the upper end of interchanger,
High-temperature level compression set comprises secondary interchanger, high-temperature level compressor, second gas-liquid separator and the second commutation cross valve, the refrigerant interface of secondary interchanger is connected with the interface of interchanger lower end by the second valve group, commutate one of them interface of cross valve of another refrigerant interface and second of secondary interchanger is connected, in second its excess-three of commutation cross valve interface, one of them interface is connected with the import of high-temperature level compressor by the second gas-liquid separator, another interface is connected with another interface of the lower end of interchanger, a remaining interface is connected with the outlet of high-temperature level compressor, the surface of secondary interchanger is two and crosses the mouth of a river,
The upper end of interchanger is connected with solar thermal collector by valve port;
Brethaid comprises outer cage body, filled chamber, blower fan and solution hydrops pond, ice source, the housing sidewall of filled chamber both sides is provided with air intlet and air outlet slit, blower fan is fixed on the air outlet slit place of housing, solution hydrops pond, ice source to be arranged in housing and to be positioned at immediately below filled chamber, solution hydrops pond, ice source is communicated with the inlet of one-level interchanger, the liquid outlet of one-level interchanger is connected with the spray thrower being arranged on filled chamber top by water circulating pump, Nei Bing source, solution hydrops pond, ice source solution sprays by spray thrower in filled chamber, the lower end of filled chamber is provided with the taphole that solution hydrops pond, ice source communicates, solution hydrops pond, ice source is connected by the valve of tube connector with the upper end of interchanger, solution hydrops pond, ice source is connected with another valve of interchanger upper end by bypass pipe with on the tube connector between one-level interchanger.
2. northern solar low-temperature ice source heat pump refrigerating and heating unit as claimed in claim 1, is characterized in that: be filled with in filled chamber and ice source solution can be made to flow from top to bottom, the heat radiation filler that air circulates from left to right.
3. northern solar low-temperature ice source heat pump refrigerating and heating unit as claimed in claim 2, is characterized in that: heat radiation filler is cascade paper.
4. northern solar low-temperature ice source heat pump refrigerating and heating unit as claimed in claim 2, is characterized in that: heat radiation filler is PVC plastic tablet, and PVC plastic tablet is formed by multiple independent packing sheet stack combinations.
5. the solar low-temperature ice source heat pump refrigerating and heating unit in the north as described in any one in claim 2-4, is characterized in that: the both sides of heat radiation filler are provided with liquid barrier.
6. northern solar low-temperature ice source heat pump refrigerating and heating unit as claimed in claim 5, is characterized in that: the bottom in solution hydrops pond, ice source is provided with cleaning valve.
7. northern solar low-temperature ice source heat pump refrigerating and heating unit as claimed in claim 6, is characterized in that: the case lid above spray thrower is rainproof shell.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510936021.9A CN105485962A (en) | 2015-12-15 | 2015-12-15 | Solar energy low-temperature ice source heat pump cold and hot water unit for northern areas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510936021.9A CN105485962A (en) | 2015-12-15 | 2015-12-15 | Solar energy low-temperature ice source heat pump cold and hot water unit for northern areas |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105485962A true CN105485962A (en) | 2016-04-13 |
Family
ID=55673109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510936021.9A Pending CN105485962A (en) | 2015-12-15 | 2015-12-15 | Solar energy low-temperature ice source heat pump cold and hot water unit for northern areas |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105485962A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109869947A (en) * | 2017-12-02 | 2019-06-11 | 哈尔滨工大金涛科技股份有限公司 | Freezing point source heat pump |
-
2015
- 2015-12-15 CN CN201510936021.9A patent/CN105485962A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109869947A (en) * | 2017-12-02 | 2019-06-11 | 哈尔滨工大金涛科技股份有限公司 | Freezing point source heat pump |
CN109869947B (en) * | 2017-12-02 | 2024-06-11 | 哈尔滨工大金涛科技股份有限公司 | Ice point source heat pump |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205227922U (en) | Take solar energy low temperature ice source heat pump water chiller -heater unit of heat recovery in north | |
CN105485962A (en) | Solar energy low-temperature ice source heat pump cold and hot water unit for northern areas | |
CN207214308U (en) | A kind of building enclosure based on soil source heat exchange | |
CN205227801U (en) | Solar energy low temperature ice source heat pump water chiller -heater unit water unit of north usefulness | |
CN205227800U (en) | Low temperature ice source heat pump water chiller -heater unit water unit of north usefulness | |
CN105402935A (en) | Heat recovery water chiller-heater unit for low-temperature ice source heat pump used in northern area | |
CN205425517U (en) | Hot and cold water unit of low temperature ice source heat pump area heat recovery of north usefulness | |
CN205373444U (en) | Take ice source air exchanger of evaporation -condensation ware | |
CN106969536A (en) | The three-source integrated source pump of ground aqueous vapor | |
CN205227634U (en) | Ice source how online group of heat pump | |
CN205425516U (en) | Take ice source refrigerant interchanger of evaporimeter | |
CN207146498U (en) | A kind of solar energy, air energy double-resource unification heating and refrigeration plant | |
CN205227635U (en) | Ice source air exchanger | |
CN105423619A (en) | Solar low-temperature ice-source and heat-pump water chiller-heater unit with heat recovery for north | |
CN105466011A (en) | Low-temperature ice-source heat pump cold and hot water unit for north | |
CN205227641U (en) | North low temperature ice source how online group of heat pump | |
CN205227931U (en) | Swimming pool ice source heat pump system | |
CN105466081A (en) | Ice source heat pump system of swimming pool | |
CN105402934A (en) | Water chiller-heater unit of ice source heat pump | |
CN205227636U (en) | Domestic ice source heat pump air conditioner | |
CN205227925U (en) | Domestic ice source heat pump air condensing units | |
CN105402888A (en) | Ice source heat pump water heater | |
CN205373442U (en) | Ice source refrigerant interchanger | |
CN205227923U (en) | Take ice source heat pump water chiller -heater unit of heat recovery | |
CN105371406A (en) | Ice source heat pump multi-connected unit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160413 |
|
WD01 | Invention patent application deemed withdrawn after publication |