CN112240615A - Cold and heat accumulation system - Google Patents
Cold and heat accumulation system Download PDFInfo
- Publication number
- CN112240615A CN112240615A CN202010423969.5A CN202010423969A CN112240615A CN 112240615 A CN112240615 A CN 112240615A CN 202010423969 A CN202010423969 A CN 202010423969A CN 112240615 A CN112240615 A CN 112240615A
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- Prior art keywords
- cold
- heat
- storage
- valve
- condenser
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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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]
- Y02B30/52—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
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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]
- Y02B30/56—Heat recovery units
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The embodiment of the invention provides a cold and heat accumulation system, relating to the technical field of air conditioning systems, which comprises: the cold machine of heat recovery, cold-storage water tank, hot water storage tank and air-cooled heat pump, the cold machine of heat recovery is equipped with first condenser and second condenser, first condenser links to each other with the cooling tower, the second condenser with the hot water storage tank links to each other and forms the cold quick-witted heat accumulation circulation of heat recovery, the cold machine's of heat recovery evaporimeter connection user end, the evaporimeter through with the parallelly connected loop connection cold-storage water tank of user end, hot water storage tank connects the air-cooled heat pump form with the parallelly connected air-cooled heat pump heat accumulation circulation of the cold machine heat accumulation circulation of heat recovery, hot water storage tank through first board change with the user end is indirect to be connected, cold water storage tank through the second board change with the user end is indirect to. The cold and heat accumulation system provided by the invention can fully utilize the condensation heat and realize peak clipping and valley filling.
Description
Technical Field
The invention relates to the technical field of air conditioning systems, in particular to a cold and heat storage system.
Background
At present, the application of central air conditioners is more and more common, the energy consumption of the central air conditioners is larger, and for some specific projects such as hotels, hotels and the like, the conditions of simultaneous cooling and heating exist, so that the condition that condensation heat cannot be effectively utilized easily occurs, for example, the condensation heat generated in the water cold storage process is dissipated through a cooling tower, heat energy is wasted while cold storage and energy conservation are achieved, in addition, even if a heat recovery cooler is used, the central air conditioners only operate in the daytime, and the effect of peak clipping and valley filling cannot be achieved.
Disclosure of Invention
The invention provides a cold and heat accumulation system which can fully utilize condensation heat and realize peak clipping and valley filling.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an embodiment of the present invention provides a cold and heat storage system, including: the cold machine of heat recovery, cold-storage water tank, hot water storage tank and air-cooled heat pump, the cold machine of heat recovery is equipped with first condenser and second condenser, first condenser links to each other with the cooling tower, the second condenser with the hot water storage tank links to each other and forms the cold quick-witted heat accumulation circulation of heat recovery, the cold machine's of heat recovery evaporimeter connection user end, the evaporimeter through with the parallelly connected loop connection cold-storage water tank of user end, hot water storage tank connects the air-cooled heat pump form with the parallelly connected air-cooled heat pump heat accumulation circulation of the cold machine heat accumulation circulation of heat recovery, hot water storage tank through first board change with the user end is indirect to be connected, cold water storage tank through the second board change with the user end is indirect to.
Preferably, the cooling tower further comprises a first water pump and a first valve, and the first condenser is connected with the cooling tower through the first water pump and the first valve.
Preferably, the evaporator is connected with the user terminal through the second water pump and the second valve.
Preferably, the solar water heater further comprises a third water pump and a third valve, and the second condenser is connected with the heat storage water tank through the third water pump and the third valve.
Preferably, the air-cooled heat pump system further comprises a fourth valve, and the heat storage water tank is connected with the air-cooled heat pump through the fourth valve.
Preferably, the cold storage water tank further comprises a fifth valve, and the evaporator is connected with the cold storage water tank through the fifth valve.
Preferably, the hot water storage tank is connected with the first plate through the sixth water pump and the sixth valve.
Preferably, the cold storage water tank is connected with the second plate through the seventh water pump and the seventh valve.
Preferably, the water pump further comprises an eighth water pump and an eighth valve, and the second plate is connected with the user terminal through the eighth water pump and the eighth valve.
By adopting the technical scheme, the heat recovery cooler is provided with two condensers, one condenser is connected with the cooling tower to form cooling water circulation, and the other condenser is connected with the heat storage water tank to form heat storage circulation of the heat recovery cooler; an evaporator of the heat recovery cold machine is connected with the tail end of a user to form a heat recovery cold machine cold supply cycle; meanwhile, the evaporator is connected with a cold accumulation water tank through a loop connected with the tail end of a user in parallel to form a cold accumulation cycle of the heat recovery cold machine; the heat storage water tank is simultaneously connected with an air-cooled heat pump to form an air-cooled heat pump heat storage cycle which is connected with the heat storage cycle of the heat recovery cold machine in parallel; the heat storage water tank is indirectly connected with the tail end of a user through the first plate to form a heat release cycle; the cold accumulation water tank is indirectly connected with the tail end of a user through the second plate to form a cold release cycle. Therefore, the heat recovery cold machine can run by utilizing off-peak electricity in summer at night, the cold storage is carried out through the cold storage cycle of the heat recovery cold machine, and the heat storage is carried out through the heat storage cycle of the heat recovery cold machine; when the user end has cold and heat demands, the cold supply and heat supply can be simultaneously carried out through the cold supply cycle and the heat release cycle of the heat recovery cold machine; when the heat storage water tank is full, the cooling tower can be recycled by cooling water to dissipate redundant condensation heat. In summer, the cold and heat of the cold storage water tank and the heat storage water tank can be supplied to the tail end of a user through cold release circulation and heat release circulation respectively; and when the cold energy stored in the cold storage water tank cannot meet the requirement of the tail end of the user, the heat recovery cold machine is started to supply cold to the tail end of the user. When the user terminal only needs heat in spring, autumn and winter, the air-cooled heat pump operates, the heat storage circulation of the air-cooled heat pump is utilized at night to store heat, and the heat storage water tank is used for supplying heat to the user terminal in daytime through the heat release circulation. Thereby realizing the full utilization of condensation heat and realizing peak clipping and valley filling.
Drawings
Fig. 1 is a schematic structural diagram of a cold and heat storage system according to an embodiment of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the embodiments herein, "/" means "or" unless otherwise specified, for example, a/B may mean a or B; "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present application, "a plurality" means two or more than two.
In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless otherwise specified.
An embodiment of the present invention provides a cold and heat storage system, as shown in fig. 1, including:
the heat recovery refrigerator 01 is provided with a first condenser and a second condenser (not shown in the figure), the first condenser is connected with the cooling tower 05, the second condenser is connected with the heat storage water tank 03 to form a heat storage cycle of the heat recovery refrigerator, an evaporator of the heat recovery refrigerator 01 is connected with a user terminal, the evaporator is connected with the heat storage water tank 02 through a loop which is connected with the user terminal in parallel, the heat storage water tank 03 is connected with the air-cooled heat pump 04 to form a heat storage cycle of the air-cooled heat pump which is connected with the heat storage cycle of the heat recovery refrigerator in parallel, the heat storage water tank 03 is indirectly connected with the user terminal through a first plate 06, and the heat storage water tank 02 is indirectly connected with the user terminal through a second plate 07.
By adopting the technical scheme, as the heat recovery cooler 01 is provided with double condensers, one condenser is connected with the cooling tower 05 to form cooling water circulation, and the other condenser is connected with the heat storage water tank 03 to form heat storage circulation of the heat recovery cooler; an evaporator of the heat recovery cold machine 01 is connected with the tail end of a user to form a heat recovery cold machine cold supply cycle; meanwhile, the evaporator is connected with a cold accumulation water tank 02 through a loop in parallel connection with the tail end of a user to form a cold accumulation cycle of the heat recovery cold machine; the heat storage water tank 03 is simultaneously connected with the air-cooled heat pump 04 to form an air-cooled heat pump heat storage cycle which is connected with the heat storage cycle of the heat recovery cold machine in parallel; the heat storage water tank 03 is indirectly connected with the tail end of a user through the first plate 06 to form a heat release cycle; the cold accumulation water tank 02 is indirectly connected with the end of the user through the second plate exchanger 07 to form a cold release cycle. In this way, the heat recovery cold machine 01 can run by using off-peak electricity in summer, and the cold storage is carried out through the cold storage cycle of the heat recovery cold machine, and the heat storage is carried out through the heat storage cycle of the heat recovery cold machine; when the user end has cold and heat demands, the cold supply and heat supply can be simultaneously carried out through the cold supply cycle and the heat release cycle of the heat recovery cold machine; when the hot water storage tank 03 is full, the cooling tower 05 can be recycled to dissipate the excess heat of condensation by means of cooling water. In summer, the cold and heat of the cold storage water tank 02 and the heat storage water tank 03 can be supplied to the tail end of a user through a cold release cycle and a heat release cycle respectively; when the cold energy stored in the cold storage water tank 02 cannot meet the requirement of the user terminal, the heat recovery cold machine 01 is started to supply cold to the user terminal. When the user terminal only needs heat in spring, autumn and winter, the air-cooled heat pump 04 operates, heat is stored through the air-cooled heat pump 04 in a heat storage cycle, off-peak electricity is used for heat storage at night, and the heat storage water tank 03 is used for supplying heat to the user terminal in the daytime through a heat release cycle. Thereby realizing the full utilization of condensation heat and realizing peak clipping and valley filling.
In order to better convey the water to the cooling tower 05 and to facilitate control, a first water pump 101 and a first valve 102 are further included as a preferred embodiment, and the first condenser is connected with the cooling tower through the first water pump 101 and the first valve 102.
In order to better deliver water to the user end and facilitate control, a second water pump 201 and a second valve 202 are further included as a preferred embodiment, and the evaporator is connected to the user end through the second water pump 201 and the second valve 202.
In order to better convey the condensation heat to the hot water storage tank 03 and facilitate control through a valve, as a preferred embodiment, a third water pump 301 and a third valve 302 are further included, and the second condenser is connected with the hot water storage tank 03 through the third water pump 301 and the third valve 302.
In order to conveniently control the water from the hot water storage tank 03 to the air-cooled heat pump 04, a fourth valve 402 is further included as a preferred embodiment, and the hot water storage tank 03 is connected with the air-cooled heat pump 04 through the fourth valve 402.
In order to control the water of the evaporator to the cold storage water tank 02 conveniently, as a preferred embodiment, the evaporator further comprises a fifth valve 502, and the evaporator is connected with the cold storage water tank 02 through the fifth valve 502.
As a preferred embodiment, the hot water storage tank 03 further comprises a sixth water pump 601 and a sixth valve 602, and the first plate 06 is connected to the hot water storage tank 03 through the sixth water pump 601 and the sixth valve 602. Heat exchange may be performed by the first plate exchanger 06.
As a preferred embodiment, the cold storage water tank 02 further comprises a seventh water pump 701 and a seventh valve 702, and the second plate exchanger 07 is connected to the cold storage water tank 02 through the seventh water pump 701 and the seventh valve 702. Heat exchange may be performed by second plate exchanger 07.
In order to better deliver the water after passing through the second plate exchanger 07 to the user end and facilitate control, as a preferred embodiment, an eighth water pump 801 and an eighth valve 802 are further included, and the second plate exchanger 07 is connected to the user end through the eighth water pump 801 and the eighth valve 802.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (9)
1. A cold-and heat-storage system, comprising:
the cold machine of heat recovery, cold-storage water tank, hot water storage tank and air-cooled heat pump, the cold machine of heat recovery is equipped with first condenser and second condenser, first condenser links to each other with the cooling tower, the second condenser with the hot water storage tank links to each other and forms the cold quick-witted heat accumulation circulation of heat recovery, the cold machine's of heat recovery evaporimeter connection user end, the evaporimeter through with the parallelly connected loop connection cold-storage water tank of user end, hot water storage tank connects the air-cooled heat pump form with the parallelly connected air-cooled heat pump heat accumulation circulation of the cold machine heat accumulation circulation of heat recovery, hot water storage tank through first board change with the user end is indirect to be connected, cold water storage tank through the second board change with the user end is indirect to.
2. The cold-storage and heat-storage system according to claim 1, further comprising a first water pump and a first valve, wherein the first condenser is connected to the cooling tower through the first water pump and the first valve.
3. The cold-and heat-storage system according to claim 1, further comprising a second water pump and a second valve, wherein said evaporator is connected to said user terminal through said second water pump and second valve.
4. The cold-storage and heat-storage system according to claim 1, further comprising a third water pump and a third valve, wherein said second condenser is connected to said heat-storage water tank through said third water pump and said third valve.
5. The cold-storage and heat-storage system according to claim 1, further comprising a fourth valve, wherein said heat-storage water tank is connected to said air-cooled heat pump through said fourth valve.
6. The system of claim 1 further comprising a fifth valve through which said evaporator is connected to said cold storage tank.
7. The cold-storage and heat-storage system according to claim 1, further comprising a sixth water pump and a sixth valve, wherein said heat-storage water tank is connected to said first plate through said sixth water pump and said sixth valve.
8. The cold and heat storage system according to claim 1, further comprising a seventh water pump and a seventh valve, wherein the cold storage water tank is connected to the second plate through the seventh water pump and the seventh valve.
9. The cold-storage and heat-storage system according to claim 1, further comprising an eighth water pump and an eighth valve, wherein said second plate is connected to said user terminal through said eighth water pump and said eighth valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010423969.5A CN112240615A (en) | 2020-05-19 | 2020-05-19 | Cold and heat accumulation system |
Applications Claiming Priority (1)
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CN202010423969.5A CN112240615A (en) | 2020-05-19 | 2020-05-19 | Cold and heat accumulation system |
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CN112240615A true CN112240615A (en) | 2021-01-19 |
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CN202010423969.5A Pending CN112240615A (en) | 2020-05-19 | 2020-05-19 | Cold and heat accumulation system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114110815A (en) * | 2021-12-02 | 2022-03-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Air conditioning system, control method and device thereof, air conditioning equipment and storage medium |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101329083A (en) * | 2007-08-03 | 2008-12-24 | 山东建筑大学 | Technique and process for preparing sanitary hot water by recovering condensation heat of air conditioner refrigerating device with heat pump |
CN201297727Y (en) * | 2008-09-26 | 2009-08-26 | 向旺 | Cold-storage heat-storage energy-saving synchronization system |
CN103940145A (en) * | 2014-04-17 | 2014-07-23 | 重庆大学 | Multifunctional combined supply type integrated air conditioner unit for data rooms |
CN207118211U (en) * | 2017-08-24 | 2018-03-16 | 四川省建筑设计研究院 | A kind of data center module condensing units radiant heating system |
WO2019050077A1 (en) * | 2017-09-06 | 2019-03-14 | 주식회사 엠티에스 | Multiple heat source multi-heat pump system having air heat source cold storage operation or heat storage operation and water heat source cold storage and heat storage concurrent operation or heat storage and cold storage concurrent operation, and control method |
CN110081503A (en) * | 2019-05-27 | 2019-08-02 | 姚博 | The energy-storage system of energy simultaneous air-conditioning |
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2020
- 2020-05-19 CN CN202010423969.5A patent/CN112240615A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101329083A (en) * | 2007-08-03 | 2008-12-24 | 山东建筑大学 | Technique and process for preparing sanitary hot water by recovering condensation heat of air conditioner refrigerating device with heat pump |
CN201297727Y (en) * | 2008-09-26 | 2009-08-26 | 向旺 | Cold-storage heat-storage energy-saving synchronization system |
CN103940145A (en) * | 2014-04-17 | 2014-07-23 | 重庆大学 | Multifunctional combined supply type integrated air conditioner unit for data rooms |
CN207118211U (en) * | 2017-08-24 | 2018-03-16 | 四川省建筑设计研究院 | A kind of data center module condensing units radiant heating system |
WO2019050077A1 (en) * | 2017-09-06 | 2019-03-14 | 주식회사 엠티에스 | Multiple heat source multi-heat pump system having air heat source cold storage operation or heat storage operation and water heat source cold storage and heat storage concurrent operation or heat storage and cold storage concurrent operation, and control method |
CN110081503A (en) * | 2019-05-27 | 2019-08-02 | 姚博 | The energy-storage system of energy simultaneous air-conditioning |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114110815A (en) * | 2021-12-02 | 2022-03-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Air conditioning system, control method and device thereof, air conditioning equipment and storage medium |
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Application publication date: 20210119 |