CN213237700U - Cold and heat source system utilizing air source heat pump peak shaving - Google Patents
Cold and heat source system utilizing air source heat pump peak shaving Download PDFInfo
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- CN213237700U CN213237700U CN202021887937.2U CN202021887937U CN213237700U CN 213237700 U CN213237700 U CN 213237700U CN 202021887937 U CN202021887937 U CN 202021887937U CN 213237700 U CN213237700 U CN 213237700U
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- 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]
- Y02B30/12—Hot water central heating systems using heat pumps
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Abstract
The utility model belongs to the technical field of temperature regulation, especially, be a cold and hot source system of utilizing air source heat pump peak regulation, including heat exchanger group, heat pump circulating water pump, air source heat pump body, refrigerating unit and refrigeration circulating water pump, heat exchanger group includes a plurality of plate heat exchangers and with plate heat exchanger matched with heat exchange circulating water pump, heat exchanger group inside have with plate heat exchanger matched with heat exchange circulating water pump, air source heat pump body through connect the water knockout drum, the water collector of refrigerating unit realize with the refrigerating unit joint operation; the heat pump can be used for heating in winter and transition seasons and refrigerating in summer, the requirement for the whole year cold and heat of a building can be met, the air source heat pump is used for heating in the transition seasons, coal or natural gas is not needed, the environment cannot be polluted, special persons are not needed to operate and maintain, the problem of emission of atmospheric pollutants is avoided, and the application range of the project is greatly expanded.
Description
Technical Field
The utility model belongs to the technical field of temperature regulation, concretely relates to utilize cold and hot source system of air source heat pump peak regulation.
Background
Hospitals, hotels and other buildings with special functions in severe cold and cold areas in China have heating requirements in transitional seasons, a self-built boiler room mode is mostly adopted for heating in the prior art, and when the buildings enter the heating seasons formally, the operation of a boiler is stopped, and the boilers are switched to a municipal secondary heat supply network heat exchanger for heating. The engineering can have certain limitation if select boiler heating form for use, at first will set up the boiler room alone, and secondly the setting of chimney also needs to be higher than the highest building height of periphery 3-5 meters, influences the place planning effect, and the boiler room needs the special messenger to carry out the operation maintenance. With the improvement of environmental protection requirements, the purchase cost and the operation cost of the boiler are increased to meet the pollutant emission standard.
The building needs cooling in summer, and in order to achieve the cooling effect, the type selection of the refrigerating unit needs to meet the requirement of 100 percent of cooling load. In actual operation, the unit mostly operates under partial load, the operation time within the range of 80% -100% of the load rate is short, and the utilization rate of the unit is low.
Therefore, those skilled in the art have provided a cold-heat source system using peak shaving of an air source heat pump to solve the above problems in the background art.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an utilize cold and heat source system of air source heat pump peak regulation, have the maintenance convenience, pollution-free, characteristics that application scope is wide.
In order to achieve the above object, the utility model provides a following technical scheme: the cold and heat source system comprises a heat exchange unit, a heat pump circulating water pump, an air source heat pump body, a refrigerating unit and a refrigerating circulating water pump, wherein a refrigerating return water electric valve is arranged on one side of the refrigerating unit, the heat exchange unit comprises a plurality of plate heat exchangers and the heat exchange circulating water pump matched with the plate heat exchangers, the heat exchange unit is internally provided with the heat exchange circulating water pump matched with the plate heat exchangers, and when the load of the refrigerating unit is in a peak, the air source heat pump body is connected with a water separator and a water collector of the refrigerating unit to realize combined operation with the refrigerating unit so as to provide cold quantity for the tail end.
Preferably, the refrigerating unit and the heating system share the heat exchange unit, the air source heat pump body, the water separator and the water collector, water supply pipelines of the heat exchange unit, the air source heat pump body and the refrigerating unit are respectively connected to the water separator, and return water of the three systems of the heat exchange unit, the air source heat pump body and the refrigerating unit is connected to the water collector through a total return water pipe.
Preferably, the system main water return pipeline is respectively connected with the water return pipelines of the heat exchange unit, the air source heat pump body and the refrigerating unit, the branch lines are respectively provided with a manual butterfly valve, and the water return pipe of the air source heat pump body is provided with a heat pump water return electric valve.
Preferably, in transitional seasons, the manual valve of the first heat exchange water return pipe and the manual valve of the second heat exchange water return pipe of the heat exchange unit are closed, the manual valve of the first refrigeration water return pipe and the manual valve of the second refrigeration water return pipe of the refrigeration unit are closed, and the manual valve of the first return water, the manual valve of the second return water and the electric valve of the heat pump water return pipe of the air source heat pump body are all opened; when the air source heat pump enters a heating season, a first heat exchange water return pipe manual valve and a second heat exchange water return pipe manual valve of the heat exchange unit are opened, a first refrigeration water return manual valve and a second refrigeration water return manual valve of the refrigerating unit are closed, and a first water return manual valve, a second water return manual valve and a heat pump water return electric valve of the air source heat pump body are all closed.
Preferably, when the cooling season is entered, the first heat exchange water return pipe manual valve and the second heat exchange water return pipe manual valve of the heat exchange unit are closed, the first refrigeration water return manual valve and the second refrigeration water return manual valve of the refrigeration unit are opened, the first water return manual valve, the second water return manual valve and the heat pump water return electric valve of the air source heat pump body are all opened, and the air source heat pump body and the heat pump water return electric valve are opened and closed in a linkage manner according to the end requirements.
Preferably, the water separator is provided with a tail end water return joint, and the water collector is provided with a tail end water supply joint.
Compared with the prior art, the beneficial effects of the utility model are that:
the heat pump can be used for heating in winter and transition seasons and refrigerating in summer, and can meet the annual cold and heat requirements of buildings. In transition seasons, the air source heat pump is adopted for heating without coal or natural gas, the environment cannot be polluted, the use is flexible, a machine room does not need to be independently arranged, no special person is needed for operation and maintenance, no problem of emission of atmospheric pollutants exists, the engineering application range is greatly expanded, meanwhile, the air source heat pump system can be used for peak regulation of a refrigeration system in summer, the equipment selection of the refrigeration system is reduced, and the initial investment of an air conditioning engineering is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a heat exchanger unit; 11. a plate heat exchanger; 12. a heat exchange circulating water pump; 2. a heat pump circulating water pump; 3. an air source heat pump body; 3a, a first manual backwater valve; 3b, a second water return manual valve; 31. A heat pump backwater electric valve; 4. a refrigeration unit; 41. a refrigeration backwater electric valve; 5. a refrigeration cycle water pump; 6a, a first refrigeration return water manual valve; 6b, a second refrigeration return water manual valve; 7a, a first heat exchange water return pipe manual valve; 7b, a second heat exchange water return pipe manual valve; 8a, a tail end water return joint; 8b, a tail end water supply joint; 9a, a water separator; 9b and a water collector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Referring to fig. 1, the present invention provides the following technical solutions: a cold and heat source system utilizing an air source heat pump to adjust peak comprises a heat exchange unit 1, a heat pump circulating water pump 2, an air source heat pump body 3, a refrigerating unit 4 and a refrigerating circulating water pump 5, wherein a refrigerating return water electric valve 41 is arranged on one side of the refrigerating unit 4, the heat exchange unit 1 comprises a plurality of plate heat exchangers 11 and heat exchange circulating water pumps 12 matched with the plate heat exchangers 11, the heat exchange circulating water pumps 12 matched with the plate heat exchangers 11 are arranged in the heat exchange unit 1, when the load of the refrigerating unit 4 is in a peak, the air source heat pump body 3 is connected with a water distributor 9a and a water collector 9b of the refrigerating unit 4 to realize combined operation with the refrigerating unit 4 to provide cold energy for the tail end, specifically, the refrigerating unit 4 and a heating system share the heat exchange unit 1, the air source heat pump body 3, the water distributor 9a and the water collector 9b, the heat exchange unit 1, the air source heat pump body 3 and a water, the backwater of the heat exchange unit 1, the air source heat pump body 3 and the refrigerating unit 4 is connected to the water collector 9b through a total backwater pipe.
In this embodiment: the air source heat pump body 3 is used for heating in transitional seasons, meanwhile, the air source heat pump body 3 can supply cold in summer and is used for peak regulation of a refrigeration system in summer, the equipment selection of the refrigeration system is reduced, the occupied machine room area is reduced, and the initial investment of air conditioning projects is reduced. The water distributor 9a and the water collector 9b are shared for heating and cooling in the machine room of the system, heating and cooling pipelines are shared, and two pipes are adopted at the tail end, so that the initial investment of air-conditioning engineering equipment is saved.
In fig. 1: the system main water return pipeline is respectively connected with water return pipelines of the heat exchange unit 1, the air source heat pump body 3 and the refrigerating unit 4, manual butterfly valves are arranged on branch lines, and a water return pipe of the air source heat pump body 3 is provided with a heat pump water return electric valve 31; the pipeline is closed and opened through the valve, and then cooperative operation among different devices is completed, and different effects are achieved.
In fig. 1: in transition seasons, the first heat exchange water return pipe manual valve 7a and the second heat exchange water return pipe manual valve 7b of the heat exchange unit 1 are closed, the first refrigeration water return manual valve 6a and the second refrigeration water return manual valve 6b of the refrigerating unit 4 are closed, and the first water return manual valve 3a, the second water return manual valve 3b and the heat pump water return electric valve 31 of the air source heat pump body 3 are all opened; when the air source heat pump enters a heating season, a first heat exchange water return pipe manual valve 7a and a second heat exchange water return pipe manual valve 7b of the heat exchange unit 1 are opened, a first refrigeration water return manual valve 6a and a second refrigeration water return manual valve 6b of the refrigerating unit 4 are closed, a first water return manual valve 3a, a second water return manual valve 3b and a heat pump water return electric valve 31 of the air source heat pump body 3 are all closed, specifically, a tail end water return joint 8a is arranged on the water separator 9a, and a tail end water supply joint 8b is arranged on the water collector 9 b; when a transition season begins, a first water return manual valve 3a, a second water return manual valve 3b and a heat pump water return electric valve 31 are sequentially opened, a heat pump circulating water pump 2 and an air source heat pump body 3 are opened, heating is started for the tail end of an air conditioner, and when the flow rate of system water return reaches a set value and the water return temperature reaches the set value, the air source heat pump bodies 3 connected in parallel are additionally opened; on the contrary, when the return water temperature is lower than the set value, the air source heat pump body 3 is closed, when the heating season begins, the air source heat pump body 3 is sequentially closed, the heat pump circulating water pump 2 is closed, the first return water manual valve 3a, the second return water manual valve 3b and the heat pump return water electric valve 31 are closed, heating for the tail end of the air conditioner is stopped, the first heat exchange return water pipe manual valve 7a, the second heat exchange return water pipe manual valve 7b and the heat exchange circulating water pump 12 of the heat exchange unit 1 are sequentially opened, and heating for the tail end of the air conditioner begins.
In fig. 1: when the air source heat pump enters a cold supply season, a first heat exchange water return pipe manual valve 7a and a second heat exchange water return pipe manual valve 7b of the heat exchange unit 1 are closed, a first refrigeration water return manual valve 6a and a second refrigeration water return manual valve 6b of the refrigerating unit 4 are opened, a first water return manual valve 3a, a second water return manual valve 3b and a heat pump water return electric valve 31 of the air source heat pump body 3 are all opened, and the air source heat pump body 3 and the heat pump water return electric valve 31 are opened and closed in a linkage mode according to end requirements; when the cooling season begins, a first refrigeration backwater manual valve 6a, a second refrigeration backwater manual valve 6b and a refrigeration backwater electric valve 41 are sequentially opened, a refrigeration circulating water pump 5 is opened, a refrigeration unit 4 is opened, a first backwater manual valve 3a and a second backwater manual valve 3b are opened, the cooling of the tail end of the air conditioner begins, when the flow rate of backwater of the system reaches a set value and the temperature of the backwater reaches the set value, a parallel refrigeration unit 4 and the refrigeration backwater electric valve 41 are opened, and otherwise, when the temperature of the backwater is lower than the set value, the parallel refrigeration unit 4 is closed. In the later stage of the cooling season, when all the refrigerating units 4 are started, the return water flow of the system reaches a set value, and the return water temperature reaches a set value, the first return water manual valve 3a and the second return water manual valve 3b are sequentially started, the heat pump circulating water pump 2 is started, and the air source heat pump body 3 is started to jointly refrigerate the tail end of the air conditioner.
The utility model discloses a theory of operation and use flow: .
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an utilize cold and hot source system of air source heat pump peak regulation, includes heat exchange unit (1), heat pump circulating water pump (2), the air source heat pump body (3), refrigerating unit (4) and refrigeration circulating water pump (5), refrigerating unit (4) one side is equipped with refrigeration return water electric valve (41), its characterized in that: the heat exchange unit (1) comprises a plurality of plate heat exchangers (11) and heat exchange circulating water pumps (12) matched with the plate heat exchangers (11), the heat exchange unit (1) is internally provided with the heat exchange circulating water pumps (12) matched with the plate heat exchangers (11), and when the load of the refrigerating unit (4) is in a peak, the air source heat pump body (3) is connected with a water distributor (9a) and a water collector (9b) of the refrigerating unit (4) to realize combined operation with the refrigerating unit (4) so as to provide cold quantity for the tail end.
2. The system as claimed in claim 1, wherein the system comprises: the water-saving air conditioning system is characterized in that the refrigerating unit (4) and the heating system share the heat exchange unit (1), the air source heat pump body (3), the water separator (9a) and the water collector (9b), water supply pipelines of the heat exchange unit (1), the air source heat pump body (3) and the refrigerating unit (4) are respectively connected to the water separator (9a), and backwater of the three systems of the heat exchange unit (1), the air source heat pump body (3) and the refrigerating unit (4) is connected to the water collector (9b) through a total backwater pipe.
3. The system as claimed in claim 1, wherein the system comprises: the system main water return pipeline is respectively connected with the water return pipelines of the heat exchange unit (1), the air source heat pump body (3) and the refrigerating unit (4), manual butterfly valves are arranged on branch lines, and a heat pump water return electric valve (31) is arranged on a water return pipe of the air source heat pump body (3).
4. The system as claimed in claim 1, wherein the system comprises: in transition seasons, a first heat exchange water return pipe manual valve (7a) and a second heat exchange water return pipe manual valve (7b) of the heat exchange unit (1) are closed, a first refrigeration water return manual valve (6a) and a second refrigeration water return manual valve (6b) of the refrigeration unit (4) are closed, and a first water return manual valve (3a), a second water return manual valve (3b) and a heat pump water return electric valve (31) of the air source heat pump body (3) are all opened; when the air source heat pump unit enters a heating season, a first heat exchange water return pipe manual valve (7a) and a second heat exchange water return pipe manual valve (7b) of the heat exchange unit (1) are opened, a first refrigeration water return manual valve (6a) and a second refrigeration water return manual valve (6b) of the refrigeration unit (4) are closed, and a first water return manual valve (3a), a second water return manual valve (3b) and a heat pump water return electric valve (31) of the air source heat pump body (3) are all closed.
5. The system as claimed in claim 4, wherein the system comprises: when the air source heat pump enters a cold supply season, a first heat exchange water return pipe manual valve (7a) and a second heat exchange water return pipe manual valve (7b) of the heat exchange unit (1) are closed, a first refrigeration water return manual valve (6a) and a second refrigeration water return manual valve (6b) of the refrigeration unit (4) are opened, a first water return manual valve (3a), a second water return manual valve (3b) and a heat pump water return electric valve (31) of the air source heat pump body (3) are all opened, and the air source heat pump body (3) and the heat pump water return electric valve (31) can be opened and closed in a linkage mode according to end requirements.
6. The system as claimed in claim 1, wherein the system comprises: and a tail end water return joint (8a) is arranged on the water distributor (9a), and a tail end water supply joint (8b) is arranged on the water collector (9 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021887937.2U CN213237700U (en) | 2020-09-02 | 2020-09-02 | Cold and heat source system utilizing air source heat pump peak shaving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021887937.2U CN213237700U (en) | 2020-09-02 | 2020-09-02 | Cold and heat source system utilizing air source heat pump peak shaving |
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| Publication Number | Publication Date |
|---|---|
| CN213237700U true CN213237700U (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021887937.2U Active CN213237700U (en) | 2020-09-02 | 2020-09-02 | Cold and heat source system utilizing air source heat pump peak shaving |
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| Country | Link |
|---|---|
| CN (1) | CN213237700U (en) |
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- 2020-09-02 CN CN202021887937.2U patent/CN213237700U/en active Active
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