CN210772880U - Air conditioning system capable of accumulating cold and directly cooling river water in process air conditioning place - Google Patents

Air conditioning system capable of accumulating cold and directly cooling river water in process air conditioning place Download PDF

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Publication number
CN210772880U
CN210772880U CN201920915089.2U CN201920915089U CN210772880U CN 210772880 U CN210772880 U CN 210772880U CN 201920915089 U CN201920915089 U CN 201920915089U CN 210772880 U CN210772880 U CN 210772880U
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water
air conditioning
valve
cold
outlet pipe
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CN201920915089.2U
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林卫东
戴文献
郑邦鑫
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Fujian Provincial Institute Of Architectural Design And Research Co ltd
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Fujian Provincial Institute Of Architectural Design And Research Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/40Geothermal heat-pumps
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

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Abstract

The utility model relates to a but cold-storage river water direct cooling air conditioning system in technology air conditioning place. It includes the heat exchange equipment: for effecting heat exchange; supply cold junction waterway system: pumping water from the river water, and then exchanging cold energy directly or through heat exchange equipment after cold accumulation treatment; user side water route circulation system: and the cold energy of the cold end water channel system is absorbed and is transmitted to the user end. Compare prior art, the utility model has the advantages of: 1. the cold storage water tank is arranged, and in summer, the flowing surface water source is directly utilized to directly cool plants and substations with larger sensible heat and calorific value, and simultaneously, the cold storage water tank is utilized to carry out cold storage, so that the operation mode of direct cooling and cold storage is realized. 2. The water chilling unit is cancelled, the plate type heat exchanger is added, the overall investment is small, and the energy is saved compared with the refrigeration of the water chilling unit.

Description

Air conditioning system capable of accumulating cold and directly cooling river water in process air conditioning place
Technical Field
The utility model relates to an air conditioning equipment field, especially a but cold-storage river water direct cooling air conditioning system in technology air conditioning place.
Background
For the process air-conditioning design of factories and substations with large sensible heat and calorific value, if a water chilling unit is adopted for refrigeration, the operation cost is huge, and the investment is also large. The indoor temperature is reduced to about 30 ℃ in summer to meet the use requirement, the high indoor temperature requirement creates conditions for direct cooling by adopting a low-temperature water source, and the low-temperature water source can be obtained through two channels of an underground water source and a flowing water source. Heating is not considered in winter due to the design of process air conditioners of factories and substations with high sensible heat and calorific value, so that the cold and heat of underground water sources cannot be balanced, and the underground water sources cannot be adopted; only a flowing water source (such as river water) can be adopted, but the water temperature fluctuation of the river water is large, and particularly the difference between the water temperature at night and the water temperature in the daytime is large, so that some technical measures are required to meet the use requirement.
Disclosure of Invention
An object of the utility model is to provide an utilize free river water to carry out the cold-storage river water direct cooling air conditioning system in technology air conditioning place that supplies cold to technology air conditioning place.
The purpose of the utility model is realized through the following technical scheme: the air conditioning system capable of accumulating cold and directly cooling river water in the air conditioning place comprises
A heat exchange device: for effecting heat exchange;
supply cold junction waterway system: pumping water from the river water, and then exchanging cold energy directly or through heat exchange equipment after cold accumulation treatment;
user side water route circulation system: and the cold energy of the cold end water channel system is absorbed and is transmitted to the user end.
Compare prior art, the utility model has the advantages of: 1. the cold storage water tank is arranged, and in summer, the flowing surface water source is directly utilized to directly cool plants and substations with larger sensible heat and calorific value, and simultaneously, the cold storage water tank is utilized to carry out cold storage, so that the operation mode of direct cooling and cold storage is realized. 2. The water chilling unit is cancelled, the plate type heat exchanger is added, the overall investment is small, and the energy is saved compared with the refrigeration of the water chilling unit.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: 11-a circulating water inlet pipe, 12-a water separator, 13-a water collector, 14-a circulating water return pipe, 25-a water pump, 31-a main water inlet pipe, 32-a main water outlet pipe, 33-branch water inlet pipes, 34-a water outlet pipe A, 35-a water outlet pipe B, 36-a water storage tank, 41-a valve X, 42-a valve Y, 43-a valve Z, 44-a valve U, 45-a valve V, 46-a water pump X, 47-a water pump Y, 51-a water taking tank, 61-a filtering device and 7-a plate heat exchanger;
Detailed Description
The invention is described in detail below with reference to the drawings and examples of the specification:
as shown in fig. 1:
the concrete structure of the utility model comprises
A heat exchange device: for effecting heat exchange;
supply cold junction waterway system: pumping water from the river water, and then exchanging cold energy directly or through heat exchange equipment after cold accumulation treatment;
user side water route circulation system: and the cold energy of the cold end water channel system is absorbed and is transmitted to the user end.
The user side waterway circulating system comprises a circulating water inlet pipe 11, a water separator 12, user side equipment, a water collector 13 and a circulating water return pipe 14 which are connected in sequence; the circulating water inlet pipe 11 and the circulating water return pipe 14 are connected with heat exchange equipment, and a water pump A25 is arranged on the circulating water inlet pipe 11.
The cold water supply end waterway system comprises a main water inlet pipe 31, a main water outlet pipe 32, a branch water inlet pipe 33, a branched water pipe A34, a branched water pipe B35, a water storage tank 36, a valve X41, a valve Y42, a valve Z43, a valve U44, a valve V45, a water pump X46 and a water pump Y47;
the main water inlet pipe 31, the heat exchange equipment and the main water outlet pipe 32 are connected to form a water path circulation;
a water pump X46, a valve Z43 and a valve X41 are respectively arranged on the main water inlet pipe 31 along the water inlet direction, and a branch water inlet pipe 33 is connected on a pipeline between the valve X41 and the valve Z43;
the tail end of the branch water inlet pipe 33 is connected with a water storage tank 36, the water storage tank 36 is also connected with a water outlet pipe A34, the tail end of the water outlet pipe A34 is connected to a pipeline between a valve X41 and a valve Z43, and the water outlet pipe A34 is sequentially provided with a valve U44 and a water pump Y47 along the water flow advancing direction;
the beginning end of the branch water pipe B35 is connected between the water storage tank 36 and the valve U44, the tail end of the branch water pipe B35 is connected with the main water outlet pipe 32, and the valve V45 is arranged on the branch water pipe B35.
The water supply cold end waterway system further comprises a water taking pool 51, the water taking pool is connected with the main water inlet pipe 31, and the water taking pool 51 is further connected with a water source through a pipeline.
The cold side water supply system is also provided with a filter device 61 at the main water inlet pipe 31.
The heat exchange device is a plate heat exchanger 7.
The utility model discloses an operational mode contains following several kinds:
1. direct cooling: the method comprises the steps of opening a valve X41, a valve Z43, closing a valve Y42, a valve U44, a valve V45, opening a water pump A25, a water pump X46 and closing a water pump Y47, wherein in the operation mode, when no other operation mode exists, river water can be directly used, and except for the electricity consumption of the water pump, a free cold source can be almost obtained.
2. Direct cooling and cold accumulation: the method comprises the steps of opening a valve Z43, a valve V45, closing a valve U44, adjusting the sizes of a valve X41 and a valve Y42, opening a water pump A25 and a water pump X46, and closing a water pump Y47, wherein the system can perform direct cooling and cold storage at night, the direct cooling and the cold storage at the same time are performed at night, the operation is performed when the temperature of the river water reaches the minimum, the valve Y is closed to stop cold storage when the temperature of a reservoir is reduced to the minimum, and the minimum temperature of the river water can be obtained according to a local hydrological report.
3. Cooling: opening a valve U44 and a valve X41, closing a valve V45, a valve Y42 and a valve Z43, opening a water pump Y47 and a water pump A25, and closing a water pump X46. When the river water is not available, the cooling is started.
In order to ensure that the cooling water is enough, the size of the reservoir is designed under the condition of considering the maximum water consumption by fully combining the local climate when the reservoir is designed.
At the beginning of the design, the problem that a flowing surface water source has no recharge is considered, and when the cold storage water tank is used, the flowing surface water source can be directly utilized to directly cool factories and substations with high sensible heat and heat productivity in summer at night, and meanwhile, the cold storage water tank is arranged to carry out water cold storage for daytime use.
The safety and reliability of the system use need to be considered when designing. In summer, the loads of a factory and a transformer substation are mainly sensible heat loads, and the fresh air load is very small and can be directly introduced. If the indoor temperature of the technical air conditioner is 30 ℃, the temperature of the plate heat exchanger rises to 1 ℃, the water temperature of a normal river is 18-22 ℃, the water temperature at night is not more than 19 ℃, the water temperature can be 19 ℃ in the daytime by cold accumulation, and the water temperature is 20 ℃ after the plate is replaced, and the water temperature of 20 ℃ meets the indoor temperature of 30 ℃ by the air conditioner due to only sensible heat.

Claims (6)

1. A cold storage river water direct cooling air conditioning system of technology air conditioning place, its characterized in that: comprises that
A heat exchange device: for effecting heat exchange;
supply cold junction waterway system: pumping water from the river water, and then exchanging cold energy directly or through heat exchange equipment after cold accumulation treatment;
user side water route circulation system: and the cold energy of the cold end water channel system is absorbed and is transmitted to the user end.
2. The process air conditioning site cold storage river water direct cooling air conditioning system of claim 1, characterized in that:
the user side waterway circulating system comprises a circulating water inlet pipe (11), a water separator (12), user side equipment, a water collector (13) and a circulating water return pipe (14) which are connected in sequence; the circulating water inlet pipe (11) and the circulating water return pipe (14) are connected with heat exchange equipment, and a water pump A (25) is arranged on the circulating water inlet pipe (11).
3. The process air conditioning site cold storage river water direct cooling air conditioning system of claim 1, characterized in that:
the cold end water supply waterway system comprises a main water inlet pipe (31), a main water outlet pipe (32), a branch water inlet pipe (33), a water outlet pipe A (34), a water outlet pipe B (35), a water storage tank (36), a valve X (41), a valve Y (42), a valve Z (43), a valve U (44), a valve V (45), a water pump X (46) and a water pump Y (47);
the main water inlet pipe (31), the heat exchange equipment and the main water outlet pipe (32) are connected to form a water path circulation;
a water pump X (46), a valve Z (43) and a valve X (41) are respectively arranged on the main water inlet pipe (31) along the water inlet direction, and a branch water inlet pipe (33) is connected on a pipeline between the valve X (41) and the valve Z (43);
the tail end of the branch water inlet pipe (33) is connected with a water storage tank (36), the water storage tank (36) is also connected with a water outlet pipe A (34), the tail end of the water outlet pipe A (34) is connected to a pipeline between a valve X (41) and a valve Z (43), and the water outlet pipe A (34) is sequentially provided with a valve U (44) and a water pump Y (47) along the water flow advancing direction;
the initial end of a water outlet pipe B (35) is connected between the water storage tank (36) and a valve U (44), the tail end of the water outlet pipe B (35) is connected with a main water outlet pipe (32), and a valve V (45) is arranged on the water outlet pipe B (35).
4. The process air conditioning site cold storage river water direct cooling air conditioning system of claim 3, characterized in that: it still includes water intaking pond (51), the water intaking pond is connected with main inlet tube (31), and water intaking pond (51) still is connected with the water source through the pipeline.
5. The process air conditioning site cold storage river water direct cooling air conditioning system of claim 3, characterized in that: a filtering device (61) is also arranged at the main water inlet pipe (31).
6. The process air conditioning site cold storage river water direct cooling air conditioning system of claim 1, characterized in that: the heat exchange device is a plate heat exchanger (7).
CN201920915089.2U 2019-06-18 2019-06-18 Air conditioning system capable of accumulating cold and directly cooling river water in process air conditioning place Active CN210772880U (en)

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Application Number Priority Date Filing Date Title
CN201920915089.2U CN210772880U (en) 2019-06-18 2019-06-18 Air conditioning system capable of accumulating cold and directly cooling river water in process air conditioning place

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920915089.2U CN210772880U (en) 2019-06-18 2019-06-18 Air conditioning system capable of accumulating cold and directly cooling river water in process air conditioning place

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CN210772880U true CN210772880U (en) 2020-06-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117515991A (en) * 2023-10-18 2024-02-06 长江勘测规划设计研究有限责任公司 System and method for efficiently and circularly utilizing water-cooling heat resources of river in water-saving manner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117515991A (en) * 2023-10-18 2024-02-06 长江勘测规划设计研究有限责任公司 System and method for efficiently and circularly utilizing water-cooling heat resources of river in water-saving manner

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