CN109611995B - Double-loop energy storage water tank - Google Patents
Double-loop energy storage water tank Download PDFInfo
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- CN109611995B CN109611995B CN201910011471.5A CN201910011471A CN109611995B CN 109611995 B CN109611995 B CN 109611995B CN 201910011471 A CN201910011471 A CN 201910011471A CN 109611995 B CN109611995 B CN 109611995B
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- air conditioner
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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
- F24F5/0003—Exclusively-fluid systems
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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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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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
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention provides an energy storage water tank with double loops, comprising: the energy storage water tank (1) is characterized in that during actual use, an air conditioner host (8) and the energy storage water tank (1) are connected into a set of independent system, the air conditioner host (8) is provided with an air conditioner water inlet (8-1) and an air conditioner water outlet (8-2), the energy storage water tank (1) and an air conditioner water circulation system (9) are connected into a set of independent system, the air conditioner water circulation system (9) is provided with a plate replacement or tail end water inlet (9-1) and a plate replacement or tail end water return port (9-2), and the air conditioner water inlet (8-1) and the plate replacement or tail end water return port (9-2) are always on the same side, so that the inclined temperature layer of the energy storage water tank (1) is not influenced; two sets of water distributors (2-1, 2-2) are respectively arranged at the water inlet end and the water outlet end of the energy storage water tank (1), the two sets of water distributors are respectively arranged into a two-layer structure, a flow equalizing pore plate (3-1) is arranged below the water distributor (2-1) of the upper two layers, and a flow equalizing pore plate (3-2) is arranged above the water distributor (2-2) of the lower two layers.
Description
Technical Field
The invention relates to the technical field of energy storage water tanks of air conditioning systems, in particular to an energy storage water tank with double loops.
Background
In the existing air-conditioning heat pump system, accessories such as a buffer water tank, an expansion tank, a water pump, a filter, a pressure gauge, a thermometer and the like are arranged between a water inlet and a tail end outlet of a unit, wherein the mixed water tank is used for storing energy and maintaining the comfort of a heating tail end, and an exhaust valve is arranged at the top of the buffer water tank and used for emptying a water supply system; the expansion pipe is used for storing the volume of the system heating medium which is reduced or increased due to expansion with heat and contraction with cold, so that the pressure stability of the system is maintained, and the safe operation of the system is ensured.
The water cold storage air conditioner has the effect of 'shifting peaks and filling valleys' on the use of the air conditioner power, can enable the load of a power grid to tend to be balanced, improves the utilization rate of valley section power, improves the power demand side management level, and is equivalent to saving energy and reducing the emission of polluting gases such as carbon dioxide greenhouse gases, sulfides and the like. The water cold accumulation system is slightly changed according to different cold accumulation water tank forms, a corresponding storage and release cold water pump is required to be configured for the water cold accumulation system with the peak shifting and valley filling project, and if the water cold accumulation system is a cold accumulation water tank, a plate type heat exchanger is required to be configured in order to prevent water in the system from flowing backwards into the water tank; for a data center emergency cooling system, a storage and release cold water pump does not need to be configured independently, a refrigeration pump in an original system can be used, but the refrigeration pump needs to be connected with a UPS emergency power supply. For the project of 'peak load shifting', the system needs to be additionally provided with an accumulation and release cold pump, the type of the accumulation and release cold pump is selected according to the actual condition of a building, and the volume of a cold accumulation tank is comprehensively considered by combining the site, the economic benefit and the investment recovery period. The system schematic diagram is shown in fig. 1. However, the water inlet and outlet of the traditional energy storage water tank are both a single loop. The cold releasing of the system and the cold accumulation of the refrigerator are carried out by switching the valve. The control difficulty is very high, and the system is easy to be broken down due to the failure of the valve. The storage and the supply can not be realized at the same time, and the host selection is also large. Therefore, how to reduce the control difficulty and the model selection of the host is a main problem of popularization of the water energy storage system.
Disclosure of Invention
The invention provides an energy storage water tank with double loops, thereby widening the application range and the equipment use efficiency of a central air-conditioning energy storage system, reducing the system control difficulty, reducing the technical threshold, reducing the capacity of a unit for energy storage, reducing the initial investment and enabling the water energy storage system to adapt to the market demand better.
To this end, the object of the invention is to provide a storage tank with a double circuit, comprising:
the energy storage water tank (1) is characterized in that during actual use, an air conditioner host (8) and the energy storage water tank (1) are connected into a set of independent system, the air conditioner host (8) is provided with an air conditioner water inlet (8-1) and an air conditioner water outlet (8-2), the energy storage water tank (1) and an air conditioner water circulation system (9) are connected into a set of independent system, the air conditioner water circulation system (9) is provided with a plate replacement or tail end water inlet (9-1) and a plate replacement or tail end water return port (9-2), and the air conditioner water inlet (8-1) and the plate replacement or tail end water return port (9-2) are always on the same side, so that the inclined temperature layer of the energy storage water tank (1) is not influenced;
two sets of water distributors (2-1, 2-2) are respectively arranged at the water inlet end and the water outlet end of the energy storage water tank (1), the two sets of water distributors are respectively arranged into a two-layer structure, a flow equalizing pore plate (3-1) is arranged below the water distributor (2-1) of the upper two layers, and a flow equalizing pore plate (3-2) is arranged above the water distributor (2-2) of the lower two layers.
Preferably, an exhaust valve (4) is arranged on the energy storage water tank (1).
Preferably, an overflow pipe (5) is arranged close to the high point of the energy storage water tank (1).
Preferably, one side of the energy storage water tank (1) is provided with a sewage draining access door (6).
Preferably, a plurality of temperature monitoring points are arranged at different heights inside the energy storage water tank (1), the temperatures at different heights inside the energy storage water tank (1) are detected through a plurality of temperature sensors (7) arranged at the temperature monitoring points, a controller is arranged, and the controller controls the heat storage quantity according to temperature monitoring point data obtained by the temperature sensors (7) in the water tank.
Preferably, the energy storage water tank is a square water tank or a round water tank.
Preferably, the energy storage water tank is in other shapes except for a square water tank, wherein the two water distribution systems (2-1, 2-2) are crossed or arranged up and down.
Preferably, the air conditioner can store cold or supplement cold at any time.
The advantages of the invention are as follows:
the application of the energy storage water tank greatly reduces the control difficulty of an energy storage system and the load of an energy storage unit. And the cold and heat can be supplemented by opening the air conditioner main machine at any time. The water energy storage system is more suitable for the market demand. The energy storage water tank has the following characteristics: (1) the refrigeration and heating are dual-purpose, so that the investment return period is greatly reduced; (2) the air conditioner host can perform cold and hot supplement at any time without valve control; (3) when the air conditioner main machine operates, the air conditioner main machine basically operates at full load, so that the energy consumption of the main machine is reduced; (4) the air-conditioning water circulation system reduces the pressure loss entering the air-conditioning main machine, and can further reduce the idle work loss of the air-conditioning water pump; (5) the conventional air conditioning system can be connected into the energy storage water tank only by changing a small amount. The popularization difficulty of the water energy storage air conditioner is reduced.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. The objects and features of the present invention will become more apparent in view of the following description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a diagram of a chilled water storage air conditioning and cold storage tank system in the prior art;
FIG. 2 is a schematic diagram of a simple refrigeration cycle for a dual-circuit storage tank according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a simple heating cycle for a dual-circuit energy-storage water tank according to an embodiment of the invention.
Fig. 4 is a schematic structural view of a flow equalizing pore plate of a double-loop energy storage water tank according to an embodiment of the invention.
Detailed Description
Referring to fig. 2-3, the energy storage water tank with double loops, energy storage water tank 1, when in actual use, the air-conditioning host 8 and the energy storage water tank 1 are connected into a set of independent system, and the conventional air-conditioning system can be connected into the energy storage water tank only by changing a little. The popularization difficulty of the water energy storage air conditioner is reduced, the air conditioner main machine 8 is provided with an air conditioner water inlet 8-1 and an air conditioner water outlet 8-2, the energy storage water tank 1 and the air conditioner water circulation system 9 are connected into a set of independent system, the air conditioner water circulation system 9 is provided with a plate exchange or tail end water inlet 9-1 and a plate exchange or tail end water return port 9-2, and the air conditioner water inlet 8-1 and the plate exchange or tail end water return port 9-2 are always on the same side, so that the inclined temperature layer of the energy storage water tank 1 is not influenced; two sets of water distributors 2-1 and 2-2 are respectively arranged at the water inlet end and the water outlet end of the energy storage water tank 1, the two sets of water distributors are respectively arranged into a two-layer structure, a flow equalizing pore plate 3-1 is arranged below the water distributor 2-1 of the upper two layers, and a flow equalizing pore plate 3-2 is arranged above the water distributor 2-2 of the lower two layers. Referring to fig. 4, the flow equalization orifice plate is a plastic partition plate with a small hole in the middle of the whole layer. The water inlet and outlet water distributor has the function of separating most parts of the water tank from the water inlet and outlet water distributor, water entering the water tank from the water inlet and outlet water distributor is naturally mixed in the independent space, so that the water distribution is more uniform, and the water in the water tank can be well layered under the condition of variable flow.
The exhaust valve 4 is arranged on the energy storage water tank 1, so that the pressure loss of the air-conditioning water circulation system 9 entering the air-conditioning main machine 8 is reduced, and the useless power loss of the air-conditioning water pump is further reduced. An overflow pipe 5 is arranged at a high point close to the energy storage water tank 1, so that overflow accidents are prevented from occurring, and the electric appliance structures of the energy storage water tank 1, the air conditioner host 8 and the air conditioner water circulation system 9 are prevented from being damaged. And a sewage draining access door 6 is arranged on one side of the energy storage water tank 1, so that the energy storage water tank can be conveniently and regularly checked.
In this embodiment, energy storage water tank 1 is inside to set up many places temperature monitoring point in different height departments, detect the temperature of the inside different height departments of energy storage water tank 1 through a plurality of temperature sensor 7 that set up at the temperature monitoring point, and set up the controller, the controller carries out the control of cold and hot storage according to the temperature monitoring point data that each temperature sensor 7 obtained in the water tank, thereby air conditioner cold and hot or supplementary cold and hot all can go on at any time, refrigeration, the dual-purpose heats, the investment return period has significantly reduced, and need not valve control, the air conditioner host computer can carry out cold at any time, hot supplementary filling, the air conditioner host computer moves, all be full load operation basically, the host computer energy consumption has been reduced. When the detected temperature of each monitoring point is higher than the preset temperature, the energy storage water tank 1 performs simple heat supply circulation, and the water outlet part of the air conditioner main unit 8 passes through the air conditioner water outlet 8-2, passes through the energy storage water tank 1 and then performs heat circulation through the plate exchange or the water supply port 9-1 at the tail end. And when the detected temperature of each monitoring point is lower than the preset temperature, the water in the energy storage water tank 1 is refrigerated through the air conditioner water inlet 8-1.
In this embodiment, the energy storage water tank is a square water tank or a round water tank, and the water tanks in other shapes are crossed or provided with two sets of water inlet and return systems from top to bottom according to the situation. While the present invention has been described with reference to the particular illustrative embodiments, it is not to be restricted by the embodiments but only by the appended claims. It will be understood by those skilled in the art that variations and modifications of the embodiments of the present invention can be made without departing from the scope and spirit of the invention.
Claims (6)
1. An energy storage tank with dual circuit, comprising:
the energy storage water tank (1) is characterized in that during actual use, an air conditioner host (8) and the energy storage water tank (1) are connected into a set of independent system, the air conditioner host (8) is provided with an air conditioner water inlet (8-1) and an air conditioner water outlet (8-2), the energy storage water tank (1) and an air conditioner water circulation system (9) are connected into a set of independent system, the air conditioner water circulation system (9) is provided with a plate replacement or tail end water inlet (9-1) and a plate replacement or tail end water return port (9-2), and the air conditioner water inlet (8-1) and the plate replacement or tail end water return port (9-2) are always on the same side, so that the inclined temperature layer of the energy storage water tank (1) is not influenced;
two sets of water distributors (2-1, 2-2) are respectively arranged at the water inlet end and the water outlet end of the energy storage water tank (1), the two sets of water distributors are respectively arranged into a two-layer structure, a flow equalizing pore plate (3-1) is arranged below the water distributor (2-1) of the upper two layers, and a flow equalizing pore plate (3-2) is arranged above the water distributor (2-2) of the lower two layers; the temperature monitoring system is characterized in that a plurality of temperature monitoring points are arranged at different heights inside the energy storage water tank (1), the temperatures at different heights inside the energy storage water tank (1) are detected through a plurality of temperature sensors (7) arranged at the temperature monitoring points, a controller is arranged, the controller controls the heat storage and the cooling according to temperature monitoring point data obtained by the temperature sensors (7) in the water tank, and the cold storage and the cooling of an air conditioner or the cold supplement can be carried out at any time.
2. A storage tank with dual circuit as claimed in claim 1, wherein: an exhaust valve (4) is arranged on the energy storage water tank (1).
3. A storage tank with dual circuit as claimed in claim 1, wherein: an overflow pipe (5) is arranged at a high point close to the energy storage water tank (1).
4. A storage tank with dual circuit as claimed in claim 1, wherein: and a sewage draining access door (6) is arranged on one side of the energy storage water tank (1).
5. A storage tank with dual circuit as claimed in claim 1, wherein: the energy storage water tank is a square water tank or a round water tank.
6. A storage tank with dual circuit as claimed in claim 1, wherein: the energy storage water tank is in other shapes except for a square water tank, wherein the two water distributors (2-1 and 2-2) are crossed or arranged up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011471.5A CN109611995B (en) | 2019-01-07 | 2019-01-07 | Double-loop energy storage water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011471.5A CN109611995B (en) | 2019-01-07 | 2019-01-07 | Double-loop energy storage water tank |
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| Publication Number | Publication Date |
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| CN109611995A CN109611995A (en) | 2019-04-12 |
| CN109611995B true CN109611995B (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910011471.5A Active CN109611995B (en) | 2019-01-07 | 2019-01-07 | Double-loop energy storage water tank |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112178846A (en) * | 2020-09-24 | 2021-01-05 | 北京佩尔优能源科技有限公司 | Air conditioning system and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204880492U (en) * | 2015-08-18 | 2015-12-16 | 深圳市海吉源科技有限公司 | Water energy storage can 24 hours energy supply system in source station |
| CN206420088U (en) * | 2016-12-28 | 2017-08-18 | 深圳市世纪通用工程技术有限公司 | A kind of chilled water storage system |
| CN108488964A (en) * | 2018-02-02 | 2018-09-04 | 晖保智能科技（上海）有限公司 | It is a kind of efficiently using water as the heat storage and cold accumulation system of medium |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101101772B1 (en) * | 2011-08-31 | 2012-01-19 | 주식회사 에코로직 | The heating water flow control system by flow detection |
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- 2019-01-07 CN CN201910011471.5A patent/CN109611995B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204880492U (en) * | 2015-08-18 | 2015-12-16 | 深圳市海吉源科技有限公司 | Water energy storage can 24 hours energy supply system in source station |
| CN206420088U (en) * | 2016-12-28 | 2017-08-18 | 深圳市世纪通用工程技术有限公司 | A kind of chilled water storage system |
| CN108488964A (en) * | 2018-02-02 | 2018-09-04 | 晖保智能科技（上海）有限公司 | It is a kind of efficiently using water as the heat storage and cold accumulation system of medium |
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| CN109611995A (en) | 2019-04-12 |
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Address after: 230000 North 2nd Ring and 142 Block A of Lihao Building, Longmen Ling Road, Yaohai District, Hefei City, Anhui Province Applicant after: Anhui Longzhiyuan Energy Saving Technology Co.,Ltd. Address before: 230000 North 2nd Ring and 142 Block A of Lihao Building, Longmen Ling Road, Yaohai District, Hefei City, Anhui Province Applicant before: HEFEI LONGZHIYUAN ENERGY CONSERVATION CONSULTING Co.,Ltd. |
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