CN214841287U - Central air-conditioning system combining flow state ice storage and electric heat storage - Google Patents
Central air-conditioning system combining flow state ice storage and electric heat storage Download PDFInfo
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- CN214841287U CN214841287U CN202120331059.4U CN202120331059U CN214841287U CN 214841287 U CN214841287 U CN 214841287U CN 202120331059 U CN202120331059 U CN 202120331059U CN 214841287 U CN214841287 U CN 214841287U
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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
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Abstract
The utility model discloses a flow state ice storage and electric heat storage combined central air conditioning system, which comprises an electric boiler, a flow state ice maker and a reservoir, wherein the electric boiler is connected with the reservoir through two circulating water pipes, and the flow state ice maker is respectively connected with the two circulating water pipes of the electric boiler through the two circulating water pipes and is used for sharing the circulating water pipes and the reservoir with the electric boiler and the flow state ice maker; a circulating water pipe at the upper part in the water storage tank is connected with an upper water distributor, a circulating water pipe at the lower part in the water storage tank is connected with a lower water distributor, a heating water pump is arranged on the circulating water pipe connected with the upper water distributor and used for supplying hot water into the circulating water pipe, a refrigerating water pump is arranged on the circulating water pipe connected with the lower water distributor and used for supplying cold water into the circulating water pipe, and the rear end of the circulating water pipe is connected with a fresh air unit and a plurality of dry type fan coils and used for supplying heat and cooling in summer in winter; the utility model discloses a cistern is shared to two systems of heating and cooling, and area is little, the energy saving.
Description
Technical Field
The utility model relates to an air conditioning system technical field, concretely relates to flow state ice storage and electric heat accumulation combined central air conditioning system.
Background
Common office buildings need to use peak electricity price to store ice and cool in summer and use electric heat storage to heat in winter. The common coil pipe ice storage or ice ball ice storage is characterized in that the coil pipe or ice ball is fully distributed in the pool, and the available space is small; therefore, the general design is that different pools, namely two pools, are used for storing the electric heat storage and the ice heat storage, so that the occupied area is large, the cold storage pool is idle in winter, and the heat storage pool is idle in summer, thereby causing resource waste. Therefore, a central air conditioning system combining flow state ice storage and electric heat storage needs to be designed to solve the problems of large occupied area and resource waste caused by the fact that the existing central air conditioning for building heating and cooling needs two water reservoirs.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a flow state ice storage and electric heat accumulation combined together's central air conditioning system.
The utility model provides a technical scheme that its technical problem adopted is: a central air-conditioning system combining flow state ice storage and electric heat storage comprises an electric boiler, a flow state ice maker and a water storage tank, wherein the electric boiler is connected with the water storage tank through two circulating water pipes;
the water supply device comprises a water storage tank, a circulating water pipe at the upper part in the water storage tank is connected with an upper water distributor, a circulating water pipe at the lower part in the water storage tank is connected with a lower water distributor, a heating water pump is installed on the circulating water pipe connected with the upper water distributor and used for supplying hot water into the circulating water pipe, a refrigerating water pump is installed on the circulating water pipe connected with the lower water distributor and used for supplying cold water into the circulating water pipe, the rear end of the circulating water pipe is connected with a plate heat exchanger, and the rear end of the plate heat exchanger is connected with a fresh air unit and a plurality of dry type fan coils through the circulating water pipe and used for supplying heat in winter and cooling in summer.
Specifically, the water outlet of the electric boiler is connected with the water storage tank through a circulating water pipe, the water storage tank is connected with the water return port of the electric boiler through a circulating water pipe, the water outlet of the flow-state ice maker is connected with the circulating water pipe of the water return port of the electric boiler through a circulating water pipe, and the water return port of the flow-state ice maker is connected with the circulating water pipe of the water inlet of the electric boiler through a circulating water pipe.
Specifically, an electric boiler water outlet valve is installed on a circulating water pipe of the water outlet of the electric boiler, an electric boiler water pump is installed on the circulating water pipe at the rear part of the electric boiler water outlet valve, an electric boiler water return valve is installed on a circulating water pipe of the water return port of the electric boiler, an ice maker water outlet valve is installed on a circulating water pipe of the water outlet of the flow state ice maker, an ice maker water pump is installed on the circulating water pipe at the rear part of the ice maker water outlet valve, and an ice maker water return valve is installed on a circulating water pipe of the water return port of the flow state ice maker.
Specifically, the front side and the rear side of the heating water pump are respectively provided with a heating water pump valve, and the front side and the rear side of the refrigeration water pump are respectively provided with a refrigeration water pump valve.
Specifically, a heat exchanger water outlet valve is mounted on a circulating water pipe of a water outlet of the plate heat exchanger, and a heat exchanger water pump is mounted at the rear end of the heat exchanger water outlet valve and on the circulating water pipe.
Specifically, fresh air unit valves are mounted on circulating water pipes of a water inlet and a water outlet of the fresh air unit.
Specifically, the water in the reservoir is mixed with 3.5% glycol solution for preventing water from freezing, and the water temperature in the reservoir is not more than 85 ℃ during heat supply in winter.
Specifically, the materials of the circulating water pipe, the upper water distributor and the lower water distributor are all 316L stainless steel.
The utility model discloses following beneficial effect has:
the central air conditioning system combining the flow state ice storage and the electric heat storage adopts the two systems of heating and cooling to share one reservoir, has small floor area, saves energy, and avoids the problems that the cold storage pool is idle in winter and the heat storage pool is idle in summer; the designed electric boiler and the flow state ice maker share one set of circulating water pipe, so that water resources are recycled, and the cost is saved; 3.5 percent of glycol solution is added into the designed reservoir to avoid the water in the reservoir from freezing.
Drawings
Fig. 1 is a schematic diagram of a central air conditioning system combining ice storage in a fluid state and electric heat storage.
In the figure: 1-an electric boiler; 2-a fluidized ice maker; 3, a water reservoir; 4-dry fan coil; 5-a fresh air handling unit; 6-a water heating pump; 7-a refrigeration water pump; 8-electric boiler outlet valve; 9-electric boiler return valve; 10-outlet valve of ice machine; 11-return valve of ice maker; 12-a valve of a water heating pump; 13-a refrigeration water pump valve; 14-fresh air handling unit valves; 15-circulating water pipe; 16-plate heat exchangers; 17-heat exchanger outlet valve; 18-heat exchanger water pump.
Detailed Description
The technical solution in the embodiments of the present invention will be described in further detail in the following clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. 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.
As shown in fig. 1, a central air conditioning system combining ice-storage in flow state with electric heat storage comprises an electric boiler 1, an ice-storage in flow state machine 2 and a water reservoir 3, wherein the electric boiler 1 is connected with the water reservoir 3 through two circulating water pipes 15, and the ice-storage in flow state machine 2 is respectively connected with the two circulating water pipes 15 of the electric boiler 1 through the two circulating water pipes 15, and is used for the electric boiler 1 and the ice-storage in flow state machine 2 to share the circulating water pipe 15 and the water reservoir 3; the water outlet of the electric boiler 1 is connected with the water storage tank 3 through a circulating water pipe 15, the water storage tank 3 is connected with the water return port of the electric boiler 1 through the circulating water pipe 15, the water outlet of the flow state ice maker 2 is connected with the circulating water pipe 15 of the water return port of the electric boiler 1 through the circulating water pipe 15, and the water return port of the flow state ice maker 2 is connected with the circulating water pipe 15 of the water inlet of the electric boiler 1 through the circulating water pipe 15.
A circulating water pipe 15 at the upper part in the reservoir 3 is connected with an upper water distributor, a circulating water pipe 15 at the lower part in the reservoir 3 is connected with a lower water distributor, a heating water pump 6 is arranged on the circulating water pipe 15 connected with the upper water distributor, used for supplying hot water into a circulating water pipe 15, the front side and the rear side of a hot water making pump 6 are both provided with a hot water making pump valve 12, a refrigerating water pump 7 is arranged on the circulating water pipe 15 connected with a lower water distributor, the air conditioner is used for supplying cold water into a circulating water pipe 15, refrigerating water pump valves 13 are mounted on the front side and the rear side of a refrigerating water pump 7, a plate heat exchanger 16 is connected to the rear end of the circulating water pipe 15, a fresh air unit 5 and a plurality of dry type fan coils 4 are connected to the rear end of the plate heat exchanger 16 through the circulating water pipe 15, a heat exchanger water outlet valve 17 is mounted on the circulating water pipe 15 of a water outlet of the plate heat exchanger 16, and a heat exchanger water pump 18 is mounted at the rear end of the heat exchanger water outlet valve 17 and on the circulating water pipe 15. Fresh air unit valves 14 are mounted on circulating water pipes 15 of a water inlet and a water outlet of the fresh air unit 5 and used for supplying heat in winter and cooling in summer.
An electric boiler water outlet valve 8 is installed on a circulating water pipe 15 at a water outlet of the electric boiler 1, an electric boiler water pump is installed on the circulating water pipe at the rear part of the electric boiler water outlet valve 8 and used for supplying hot water into the water storage tank 3, an electric boiler water return valve 9 is installed on the circulating water pipe 15 at a water return port of the electric boiler 1, an ice maker water outlet valve 10 is installed on the circulating water pipe 15 at a water outlet of the fluidized ice maker 2, an ice maker water pump is installed on the circulating water pipe at the rear part of the ice maker water outlet valve 10 and used for supplying cold water into the water storage tank 3, and an ice maker water return valve 11 is installed on the circulating water pipe 15 at a water return port of the fluidized ice maker 2.
The water in the reservoir 3 is mixed with a 3.5% glycol solution to avoid freezing of the water and the reservoir temperature does not exceed 85 ℃ during winter heating. The materials of the circulating water pipe 15, the upper water distributor and the lower water distributor are all 316L stainless steel.
In winter, a water outlet valve 10 of the ice maker and a water return valve 11 of the ice maker are closed, a water outlet valve 8 of the electric boiler, a water return valve 9 of the electric boiler and a valve 14 of the fresh air unit are opened, hot water of the electric boiler enters a lower water distributor of a reservoir 3 from a water outlet of the electric boiler 1, water in the reservoir 3 is mixed and heated, then the hot water is circularly led into a plurality of dry type fan coils 4 through an upper water distributor and a hot water making pump 6, heat exchange is realized between the dry type fan coils 4 and the outside, heating in a building is realized, then the hot water is led into the fresh air unit 5, the heating effect of exchanging air and blowing hot air is achieved, and the hot water flows back to the reservoir 3 through a circulating water pipe 15 and flows back to a water return port of the electric boiler 1.
In summer, when cold is supplied, an electric boiler water outlet valve 8 and an electric boiler water return valve 9 are closed, an ice maker water outlet valve 10, an ice maker water return valve 11 and a fresh air unit valve 14 are opened, cold water of the ice maker 2 enters an upper water distributor of the water storage tank 3 from a water outlet of the ice maker 2, water in the water storage tank 3 is mixed and cooled, then the cold water is circularly led into the dry type fan coils 4 through a lower water distributor and the refrigeration water pump 7, heat exchange is realized between the dry type fan coils 4 and the outside, the temperature in the building is reduced, then the cold water is led into the fresh air unit 5, the cold supply effect of changing air and blowing cold air is achieved, the cold water flows back to the water storage tank 3 through the circulating water pipe 15 and flows back to a water return port of the ice maker 2.
The utility model discloses an implement the effect: for 2 ten thousand meters2The office building has a heat load of about 1200kw and a cold load of about 2000kw, and is generally designed to have a heat storage volume of about 300m3The ice storage slurry needs 220m3If the height is 6 meters, the floor area is about 87m2(ii) a After the heat storage water tank and the ice slurry tank are combined, only 300m is needed3The volume of (2) is enough, and the occupied area only needs 50m2. The latter occupies less than 37m2For 20 ten thousand meters2Can reduce 370m2The occupied area is small, and the energy is saved.
The utility model discloses not be limited to above-mentioned embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (8)
1. A central air-conditioning system combining flow state ice storage and electric heat storage is characterized by comprising an electric boiler, a flow state ice maker and a water storage tank, wherein the electric boiler is connected with the water storage tank through two circulating water pipes;
the water supply device comprises a water storage tank, a circulating water pipe at the upper part in the water storage tank is connected with an upper water distributor, a circulating water pipe at the lower part in the water storage tank is connected with a lower water distributor, a heating water pump is installed on the circulating water pipe connected with the upper water distributor and used for supplying hot water into the circulating water pipe, a refrigerating water pump is installed on the circulating water pipe connected with the lower water distributor and used for supplying cold water into the circulating water pipe, the rear end of the circulating water pipe is connected with a plate heat exchanger, and the rear end of the plate heat exchanger is connected with a fresh air unit and a plurality of dry type fan coils through the circulating water pipe and used for supplying heat in winter and cooling in summer.
2. The combined ice-storage and electric-heat-storage central air-conditioning system according to claim 1, wherein the water outlet of the electric boiler is connected to the water reservoir through a circulating water pipe, the water reservoir is connected to the water return port of the electric boiler through a circulating water pipe, the water outlet of the ice-making machine is connected to the circulating water pipe of the water return port of the electric boiler through a circulating water pipe, and the water return port of the ice-making machine is connected to the circulating water pipe of the water inlet of the electric boiler through a circulating water pipe.
3. The combined ice-storage and electric-heat-storage central air-conditioning system according to claim 2, wherein an electric boiler water outlet valve is installed on the circulating water pipe of the water outlet of the electric boiler, an electric boiler water pump is installed on the circulating water pipe at the rear of the electric boiler water outlet valve, an electric boiler water return valve is installed on the circulating water pipe of the water return port of the electric boiler, an ice maker water outlet valve is installed on the circulating water pipe of the water outlet of the ice-making machine, an ice maker water pump is installed on the circulating water pipe at the rear of the ice maker water outlet valve, and an ice maker water return valve is installed on the circulating water pipe of the water return port of the ice-making machine.
4. The combined ice and electric heat storage central air conditioning system of claim 1, wherein the water heating pump valves are installed on the front and rear sides of the water heating pump, and the refrigeration water pump valves are installed on the front and rear sides of the refrigeration water pump.
5. The combined ice-storage and electric-heat-storage central air-conditioning system according to claim 1, wherein a heat exchanger water outlet valve is mounted on the circulating water pipe of the water outlet of the plate heat exchanger, and a heat exchanger water pump is mounted on the circulating water pipe at the rear end of the heat exchanger water outlet valve.
6. The combined ice-storage and electric-heat-storage central air-conditioning system as claimed in claim 1, wherein the circulating water pipes of the water inlet and the water outlet of the fresh air handling unit are respectively provided with a fresh air handling unit valve.
7. The combined ice bank and electric heat storage central air conditioning system of claim 1 wherein the reservoir water is mixed with a 3.5% glycol solution to avoid freezing of the water and the reservoir water temperature does not exceed 85 ℃ during winter heating.
8. The combined ice-storage and electric-heat-storage central air-conditioning system as claimed in claim 1, wherein the water circulating pipe, the upper water distributor and the lower water distributor are all made of 316L stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120331059.4U CN214841287U (en) | 2021-02-05 | 2021-02-05 | Central air-conditioning system combining flow state ice storage and electric heat storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120331059.4U CN214841287U (en) | 2021-02-05 | 2021-02-05 | Central air-conditioning system combining flow state ice storage and electric heat storage |
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| Publication Number | Publication Date |
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| CN214841287U true CN214841287U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120331059.4U Active CN214841287U (en) | 2021-02-05 | 2021-02-05 | Central air-conditioning system combining flow state ice storage and electric heat storage |
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| Country | Link |
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| CN (1) | CN214841287U (en) |
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2021
- 2021-02-05 CN CN202120331059.4U patent/CN214841287U/en active Active
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