CN115218253A - High-temperature heat pump unit - Google Patents
High-temperature heat pump unit Download PDFInfo
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- CN115218253A CN115218253A CN202211004536.1A CN202211004536A CN115218253A CN 115218253 A CN115218253 A CN 115218253A CN 202211004536 A CN202211004536 A CN 202211004536A CN 115218253 A CN115218253 A CN 115218253A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
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- 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
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- 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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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- 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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
- F24D2200/123—Compression type heat pumps
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- 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
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
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- 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
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention belongs to the technical field of heat pump units, and particularly relates to a high-temperature heat pump unit which comprises a heat source side circulation, a user side circulation, a low-temperature stage thermodynamic circulation and a high-temperature stage thermodynamic circulation; the heat source side circulation comprises an evaporator, a heat source water inlet and a heat source water outlet, a high-temperature heat conduction circulation cavity and a low-temperature heat conduction circulation cavity which are relatively independent are arranged in an inner cavity of the evaporator, one end of the heat source water inlet is connected with a heat source side pipeline, and the other end of the heat source side pipeline sequentially penetrates through the high-temperature heat conduction circulation cavity and the low-temperature heat conduction circulation cavity and is connected with the heat source water outlet; compared with a single thermal cycle unit under the same working condition, the low-temperature thermal cycle unit has the advantages that the evaporation temperature in the low-temperature heat conduction cycle cavity of the evaporator is unchanged, and the condensation temperature in the low-temperature heat conduction cycle cavity of the condenser is reduced, so that the condensation pressure is reduced, the pressure ratio of the compressor is reduced, and the energy efficiency of the unit is improved.
Description
Technical Field
The invention relates to the technical field of heat pump units, in particular to a high-temperature heat pump unit.
Background
At present, the central heating in winter is generally adopted in northern areas of China, wherein the coal-fired heating area accounts for about 83 percent of the total heating area. According to statistics, the heating coal consumes about 4 hundred million tons of standard coal every year, and accounts for about 10 percent of the total energy consumption of China. The coal-fired heating has low energy utilization rate and serious environmental pollution, and simultaneously generates a great amount of carbon dioxide emission and accelerates global warming. In order to finally realize carbon neutralization, clean energy heating needs to be realized instead of coal heating.
In recent years, the heat supply technology of medium-deep geothermal and dry-hot rock is developed, geothermal resources can be used for replacing coal for heating, and a geothermal well is insufficient in water temperature for directly heating, so that a heat pump unit is an indispensable loop. The geothermal well is large in investment as a heat source, a heat pump unit needs to take heat from the heat source as much as possible, the heat source is fully utilized, and a large temperature difference mode is suitable for operation; compared with the traditional ground source heat pump, the temperature of heat source water is higher, and the comprehensive energy efficiency cannot be maximized by using the traditional ground source heat pump unit.
At the tail end of a heating radiator used in China, the temperature of hot water supply and return water is generally 75/50 ℃ or 80/60 ℃, namely, a heat pump unit needs to operate at a high outlet water temperature and a large temperature difference, the temperature difference between an evaporator and a condenser in a refrigeration cycle is greatly increased, the pressure ratio of a compressor can also rise, and therefore the energy efficiency of the compressor is reduced, namely, the energy efficiency of the heat pump unit is reduced, and further the energy utilization efficiency is reduced.
Disclosure of Invention
The invention aims to provide a high-temperature heat pump unit to solve the problem that the existing heat pump unit in the background art can cause the reduction of energy utilization efficiency when operating under large temperature difference.
In order to achieve the purpose, the invention provides the following technical scheme: a high-temperature heat pump unit comprises a heat source side circulation, a user side circulation, a low-temperature thermodynamic circulation and a high-temperature thermodynamic circulation;
the heat source side circulation comprises an evaporator, a heat source water inlet and a heat source water outlet, a high-temperature heat conduction circulation cavity and a low-temperature heat conduction circulation cavity which are relatively independent are arranged in an inner cavity of the evaporator, one end of the heat source water inlet is connected with a heat source side pipeline, and the other end of the heat source side pipeline sequentially penetrates through the high-temperature heat conduction circulation cavity and the low-temperature heat conduction circulation cavity and is connected with the heat source water outlet;
the user side circulation comprises a condenser, a hot water inlet and a hot water outlet, a high-temperature heat transfer circulation cavity and a low-temperature heat transfer circulation cavity which are relatively independent are arranged in an inner cavity of the condenser, one end of the hot water inlet is connected with a user side pipeline, and the other end of the user side pipeline sequentially penetrates through the low-temperature heat transfer circulation cavity and the high-temperature heat transfer circulation cavity and is connected with the hot water outlet;
the low-temperature stage thermodynamic cycle comprises a low-temperature stage compressor and a low-temperature stage throttling valve, the low-temperature heat conduction cycle cavity, the low-temperature stage compressor, the low-temperature heat conduction cycle cavity and the low-temperature stage throttling valve are sequentially connected in series through a pipeline, and the other end of the low-temperature stage throttling valve is connected with the other end of the low-temperature stage compressor through a pipeline;
the high-temperature stage thermodynamic cycle comprises a high-temperature stage compressor and a high-temperature stage throttling valve, wherein the high-temperature heat conduction circulation cavity, the high-temperature stage compressor, the high-temperature heat conduction circulation cavity and the high-temperature stage throttling valve are sequentially connected in series through a pipeline, and the other end of the high-temperature stage throttling valve is connected with the other end of the high-temperature stage compressor through a pipeline.
Preferably, low temperature level thermodynamic cycle still includes the heat-transfer pipe, high temperature level thermodynamic cycle still includes the heat pipe, the heat-transfer pipe runs through the heat pipe, the position setting that the heat-transfer pipe is located the heat pipe inner chamber is the heliciform.
Preferably, the condenser and the evaporator both comprise two mutually symmetrical semicircular pipes, and one ends of the semicircular pipes close to each other are provided with a partition plate.
Preferably, clamping blocks are arranged in inner cavities of the condenser and the evaporator, clamping grooves are formed in bodies of the clamping blocks, and the heat source side pipeline and the user side pipeline are matched with the clamping grooves.
Preferably, the heat source-side pipeline and the user-side pipeline both include two sets of butt-joint pipelines, and the two sets of butt-joint pipelines are connected through nuts.
Compared with the prior art, the invention has the beneficial effects that:
1) Compared with a single thermal cycle unit under the same working condition, the low-temperature thermal cycle unit has the advantages that the evaporation temperature in the low-temperature heat conduction cycle cavity of the evaporator is unchanged, and the condensation temperature in the low-temperature heat conduction cycle cavity of the condenser is reduced, so that the condensation pressure is reduced, the pressure ratio of the compressor is reduced, and the energy efficiency of the unit is improved;
2) Compared with a single-thermal cycle unit under the same working condition, the high-temperature thermal cycle unit has the advantages that the evaporation temperature in the high-temperature heat conduction cycle cavity of the evaporator is increased, so that the evaporation pressure is increased, the condensation temperature in the high-temperature heat conduction cycle cavity of the condenser is unchanged, the pressure ratio of the compressor is reduced, and the energy efficiency of the unit is improved by 20% at most in comparison with that of a single-thermal cycle heat pump under the same condition;
3) When the maximum pressure ratio of the compressor is unchanged, the single unit can realize larger water inlet and outlet temperature difference and heat source side user side temperature difference, the water inlet temperature of the heat source water is as high as 55 ℃ and the water inlet and outlet temperature difference of the heat source water is as high as 40 ℃, the heat of the heat source is fully utilized, the system is matched with the traditional high-water Wen Da temperature difference user side system, the water outlet temperature of the user side hot water is improved to be 90 ℃ at most, the water inlet and outlet temperature difference of hot water is as high as 40 ℃, and the comprehensive efficiency of the system is improved;
4) The two thermodynamic cycles of the invention share the shell-and-tube evaporator and the condenser, which can improve the material utilization rate and reduce the volume of the heat exchanger, thereby saving space.
Drawings
FIG. 1 is a schematic flow chart of the system of the present invention;
FIG. 2 is a schematic cross-sectional view of a heat pipe according to the present invention;
FIG. 3 is a schematic sectional view of the evaporator of the present invention in front elevation;
FIG. 4 is a right side view cross-sectional structural schematic diagram of a condenser of the present invention.
In the figure: the system comprises a low-temperature stage compressor 1, a condenser 2, a low-temperature heat transfer circulation cavity 21, a high-temperature heat transfer circulation cavity 22, a low-temperature stage throttling valve 3, an evaporator 4, a low-temperature heat conduction circulation cavity 41, a high-temperature heat conduction circulation cavity 42, a semicircular 43 pipe 44, a partition plate 44, a high-temperature stage compressor 5, a high-temperature stage throttling valve 6, a heat source water inlet 7, a heat source water outlet 8, a hot water inlet 9, a hot water outlet 10, a heat conduction pipe 11, a heat conduction pipe 12, a heat source side pipeline 13, a fixture block 14 and a user side pipeline 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-4, the present invention provides a technical solution: a high-temperature heat pump unit comprises a heat source side circulation, a user side circulation, a low-temperature thermodynamic circulation and a high-temperature thermodynamic circulation;
the heat source side circulation comprises an evaporator 4, a heat source water inlet 7 and a heat source water outlet 8, a partition plate 44 is arranged in an inner cavity of the evaporator 4, the partition plate 44 divides the shell into two independent spaces along the axial direction, the two independent spaces are a high-temperature heat conduction circulation cavity 42 and a low-temperature heat conduction circulation cavity 41, one end of the heat source water inlet 7 is connected with a heat source side pipeline 13, the other end of the heat source side pipeline 13 sequentially penetrates through the high-temperature heat conduction circulation cavity 42 and the low-temperature heat conduction circulation cavity 41 and is connected with the heat source water outlet 8, the other end of the heat source water inlet 7 is connected with an external geothermal pipeline, geothermal heat is brought into the evaporator 4 through a pump body on the external geothermal pipeline to carry out heat exchange, and the heat exchange respectively occurs in the high-temperature heat conduction circulation cavity 42 and the low-temperature heat conduction circulation cavity 41;
the user side circulation comprises a condenser 2, a hot water inlet 9 and a hot water outlet 10, a partition plate 44 is also arranged in an inner cavity of the condenser 2, the partition plate 44 divides a shell of the condenser 2 into two independent spaces along the axial direction, the two independent spaces are a high-temperature heat transfer circulation cavity 22 and a low-temperature heat transfer circulation cavity 21, one end of the hot water inlet 9 is connected with a user side pipeline 15, the other end of the user side pipeline 15 sequentially penetrates through the low-temperature heat transfer circulation cavity 21 and the high-temperature heat transfer circulation cavity 22 and is connected with the hot water outlet 10, the other ends of the hot water outlet 10 and the hot water inlet 9 are connected with the tail end of a radiator through pipelines, the tail end of the radiator sends cold water into the condenser 2, then heat exchange is respectively carried out in the high-temperature heat transfer circulation cavity 22 and the low-temperature heat transfer circulation cavity 21 of the condenser 2, and the cold water led in the tail end of the radiator is heated through two-section heat exchange;
the low-temperature stage thermodynamic cycle comprises a low-temperature stage compressor 1 and a low-temperature stage throttling valve 3, wherein a refrigerant is filled in the low-temperature stage thermodynamic cycle, a low-temperature heat conduction cycle cavity 41, the low-temperature stage compressor 1, a low-temperature heat conduction cycle cavity 21 and the low-temperature stage throttling valve 3 are sequentially connected in series through a pipeline, the other end of the low-temperature stage throttling valve 3 is connected with the other end of the low-temperature stage compressor 1 through the pipeline, the low-temperature stage compressor 1 is used for driving the refrigerant to flow, the refrigerant is heated by geothermal water at a heat source side in the low-temperature heat conduction cycle cavity 41 and then flows into the low-temperature heat conduction cycle cavity 21 to heat cold water at a user side;
the high-temperature stage thermodynamic cycle comprises a high-temperature stage compressor 5 and a high-temperature stage throttle valve 6, a refrigerant is also filled in the high-temperature stage thermodynamic cycle, a high-temperature heat conduction circulation cavity 42, the high-temperature stage compressor 5, the high-temperature heat conduction circulation cavity 22 and the high-temperature stage throttle valve 6 are sequentially connected in series through a pipeline, the other end of the high-temperature stage throttle valve 6 is connected with the other end of the high-temperature stage compressor 5 through the pipeline, the high-temperature stage compressor 5 is used for driving the refrigerant to flow, the refrigerant is heated by geothermal water on the heat source side in the high-temperature heat conduction circulation cavity 42, and then flows into the high-temperature heat conduction circulation cavity 22 to heat cold water on the user side.
The low-temperature thermodynamic cycle further comprises a heat transfer pipe 12, the high-temperature thermodynamic cycle further comprises a heat transfer pipe 11, the heat transfer pipe 12 penetrates through the heat transfer pipe 11, the position of the heat transfer pipe 12, which is located in the inner cavity of the heat transfer pipe 11, is arranged in a spiral shape, when a refrigerant in the high-temperature thermodynamic cycle flows back, the refrigerant in the high-temperature thermodynamic cycle enters the heat transfer pipe 11, the refrigerant in the low-temperature thermodynamic cycle enters the heat transfer pipe 12 after flowing out of the evaporator 4, at the moment, the refrigerant in the low-temperature thermodynamic cycle and the refrigerant in the high-temperature thermodynamic cycle perform heat exchange, so that the low-temperature thermodynamic cycle and the high-temperature thermodynamic cycle perform mutual temperature compensation, the temperature difference between the two ends of the low-temperature thermodynamic cycle and the high-temperature thermodynamic cycle is further reduced, the heat transfer pipe 12 is provided with two or more than two outlet ends, the outlet ends can be externally connected with valves, and the degree of heat exchange is controlled by controlling the refrigerant to flow out from different outlets.
Be provided with fixture block 14 in the inner chamber of condenser 2 and evaporimeter 4, seted up the draw-in groove on the body of fixture block 14, heat source side pipeline 13 and user side pipeline 15 all with draw-in groove looks adaptation, fixture block 14 can be fixed heat source side pipeline 13 and user side pipeline 15 to avoid it to rock, can also support heat source side pipeline 13 and user side pipeline 15 in addition, thereby avoid its heavy crooked.
The heat source-side pipe 13 and the user-side pipe 15 each include two sets of butt-jointed pipes, the two sets of butt-jointed pipes are connected by nuts, and the butt-joint points of the two sets of butt-jointed pipes are located outside the semicircular pipe 43, thereby facilitating connection of the butt-jointed pipes.
The working principle is as follows: firstly, geothermal water on the heat source side enters a heat source side pipeline 13 through a heat source water inlet 7, then is discharged to the heat source side from a heat source water outlet 8, meanwhile, cold water on the user side enters a user side pipeline 15 through a hot water inlet 9, and then is discharged to the user side from a hot water outlet 10;
starting the low-temperature stage compressor 1 and the high-temperature stage compressor 5, wherein the low-temperature stage compressor 1 and the high-temperature stage compressor 5 drive the refrigerant to circularly flow, the refrigerant in the high-temperature stage thermodynamic cycle enters the evaporator 4 to firstly exchange heat with the heat source side pipeline 13, and the refrigerant in the high-temperature stage thermodynamic cycle is heated and then enters the high-temperature heat transfer circulation cavity 22 in the condenser 2; the refrigerant in the low-temperature stage thermodynamic cycle enters the evaporator 4 to exchange heat with the heat source-side pipeline 13 again, then the refrigerant in the low-temperature stage thermodynamic cycle enters the low-temperature heat transfer cycle cavity 21 of the condenser 2 to exchange heat with cold water in the user-side pipeline 15, then the refrigerant in the high-temperature heat transfer cycle cavity 22 exchanges heat with the cold water in the user-side pipeline 15, and after the heat exchange of the refrigerant in the condenser 2 is finished, the refrigerant flows to the evaporator 4 again.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A high-temperature heat pump unit is characterized in that: the system comprises a heat source side circulation, a user side circulation, a low-temperature thermodynamic circulation and a high-temperature thermodynamic circulation;
the heat source side circulation comprises an evaporator (4), a heat source water inlet (7) and a heat source water outlet (8), a high-temperature heat conduction circulation cavity (42) and a low-temperature heat conduction circulation cavity (41) which are relatively independent are arranged in an inner cavity of the evaporator (4), one end of the heat source water inlet (7) is connected with a heat source side pipeline (13), and the other end of the heat source side pipeline (13) sequentially penetrates through the high-temperature heat conduction circulation cavity (42) and the low-temperature heat conduction circulation cavity (41) and is connected with the heat source water outlet (8);
the user side circulation comprises a condenser (2), a hot water inlet (9) and a hot water outlet (10), a high-temperature heat transfer circulation cavity (22) and a low-temperature heat transfer circulation cavity (21) which are relatively independent are arranged in an inner cavity of the condenser (2), one end of the hot water inlet (9) is connected with a user side pipeline (15), and the other end of the user side pipeline (15) sequentially penetrates through the low-temperature heat transfer circulation cavity (21) and the high-temperature heat transfer circulation cavity (22) and is connected with the hot water outlet (10);
the low-temperature stage thermodynamic cycle comprises a low-temperature stage compressor (1) and a low-temperature stage throttling valve (3), wherein the low-temperature heat conduction cycle cavity (41), the low-temperature stage compressor (1), the low-temperature heat transfer cycle cavity (21) and the low-temperature stage throttling valve (3) are sequentially connected in series through a pipeline, and the other end of the low-temperature stage throttling valve (3) is connected with the other end of the low-temperature stage compressor (1) through the pipeline;
the high-temperature-stage thermodynamic cycle comprises a high-temperature-stage compressor (5) and a high-temperature-stage throttle valve (6), wherein the high-temperature heat conduction circulation cavity (42), the high-temperature-stage compressor (5), the high-temperature heat conduction circulation cavity (22) and the high-temperature-stage throttle valve (6) are sequentially connected in series through pipelines, and the other end of the high-temperature-stage throttle valve (6) is connected with the other end of the high-temperature-stage compressor (5) through a pipeline.
2. The high-temperature heat pump unit according to claim 1, characterized in that: low temperature level thermodynamic cycle still includes heat-transfer pipe (12), high temperature level thermodynamic cycle still includes heat pipe (11), heat-transfer pipe (12) run through heat pipe (11), the position setting that heat-transfer pipe (12) are located heat pipe (11) inner chamber is the heliciform.
3. The high-temperature heat pump unit according to claim 1, characterized in that: condenser (2) and evaporimeter (4) all include two semicircle pipes (43) of mutual symmetry, two semicircle pipe (43) are close to each other's one end each other and all are provided with space bar (44).
4. A high temperature heat pump unit according to claim 3 wherein: clamping blocks (14) are arranged in inner cavities of the condenser (2) and the evaporator (4), clamping grooves are formed in the body of each clamping block (14), and the heat source side pipeline (13) and the user side pipeline (15) are matched with the clamping grooves.
5. The high-temperature heat pump unit according to claim 1, characterized in that: the heat source side pipeline (13) and the user side pipeline (15) both comprise two groups of butt-joint pipelines, and the two groups of butt-joint pipelines are connected through nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211004536.1A CN115218253A (en) | 2022-08-22 | 2022-08-22 | High-temperature heat pump unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211004536.1A CN115218253A (en) | 2022-08-22 | 2022-08-22 | High-temperature heat pump unit |
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| CN115218253A true CN115218253A (en) | 2022-10-21 |
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| CN202211004536.1A Pending CN115218253A (en) | 2022-08-22 | 2022-08-22 | High-temperature heat pump unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117581732A (en) * | 2023-11-23 | 2024-02-23 | 河北德普瑞新能源科技股份有限公司 | Constant temperature and humidity ground source heat pump special for greenhouse |
-
2022
- 2022-08-22 CN CN202211004536.1A patent/CN115218253A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117581732A (en) * | 2023-11-23 | 2024-02-23 | 河北德普瑞新能源科技股份有限公司 | Constant temperature and humidity ground source heat pump special for greenhouse |
| CN117581732B (en) * | 2023-11-23 | 2024-05-07 | 河北德普瑞新能源科技股份有限公司 | Constant temperature and humidity ground source heat pump special for greenhouse |
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