CN210153993U - Double-opening and double-closing single-working-condition ice-storage refrigeration air-conditioning system - Google Patents
Double-opening and double-closing single-working-condition ice-storage refrigeration air-conditioning system Download PDFInfo
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- CN210153993U CN210153993U CN201920782558.8U CN201920782558U CN210153993U CN 210153993 U CN210153993 U CN 210153993U CN 201920782558 U CN201920782558 U CN 201920782558U CN 210153993 U CN210153993 U CN 210153993U
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Abstract
The embodiment of the utility model discloses two divisions of single operating mode ice storage refrigeration air conditioning systems that close, including cooling water circulation system, cold-storage and put cold system and air conditioner cold water circulation system. The utility model aims to replace the prior low-efficiency dual-working condition ice maker by using the single working condition set, simultaneously make ice by opening two single working conditions, and melt ice when opening one single working condition, thereby reducing the load power required by the single dual-working condition operation and providing the service life; meanwhile, the two single working condition units are controlled to operate in the same or different time, so that the installed capacity of the single ice storage unit is reduced, the operation is simpler, and the efficiency is more efficient; the service life of the single unit is prolonged, and the maintenance is more convenient.
Description
Technical Field
The embodiment of the utility model provides a relate to refrigeration plant technical field, concretely relates to two divisions of single operating mode ice-storage refrigeration air conditioning system that close.
Background
The ice storage air conditioning system utilizes the power at the off-peak at night to make ice and store cold, melts and releases the ice at the time of the power peak in the daytime, can cut peaks and fill valleys, balances the load of a power grid, reduces the construction cost of a peak cutting power station and reduces the pollution to the environment, and has good economic benefit and social benefit.
However, the existing public building uniform-frequency-conversion type dual-working-condition ice storage mode adopting the ice storage air-conditioning system is that the ice storage air-conditioning system is composed of a dual-working-condition refrigerator with ice making and refrigerating functions, an ice storage device and a conventional working condition base host, and for the dual-working-condition refrigerator to be suitable for two working conditions of ice making and refrigerating, when a compressor, a heat exchanger and other parts are configured, the ice making working condition can only be taken as the main working condition, so that the running performance COP (refrigeration energy efficiency ratio) value of the unit during refrigerating is far lower than that of a single-refrigerating working condition refrigerating; in addition, the dual-working-condition refrigerator needs to achieve the effect of making ice at night through frequency conversion, the effect of refrigerating at daytime is achieved, the power consumption is large, the installed power is high, the capacity of a power transformation and distribution system is increased, and the operating cost is high
Therefore, in order to overcome the disadvantages of low operation efficiency, high energy consumption and complex system control of the dual-working-condition refrigerator of the existing ice-storage air-conditioning system, a single-working-condition ice-storage refrigeration system is urgently needed to improve the operation efficiency of the existing ice-storage air-conditioning system, reduce the energy consumption of the existing ice-storage air-conditioning system and make the system control simpler.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a two single operating mode ice storage refrigeration air conditioning system that open and close to solve among the prior art problem that the operating efficiency is low that leads to because the frequency conversion.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to a first aspect of the embodiments of the present invention, there is provided a double-open-close single-working-condition ice-storage refrigeration air-conditioning system, comprising a cooling water circulation system, a cold storage and discharge system and an air-conditioning cold water circulation system;
the cooling water circulation system comprises a cooling water pipe, a single-working-condition ice-making refrigerator, a single-working-condition refrigerator, an overheating cooling tower, a first valve and a cooling pump; the single-working-condition ice-making refrigerating machine and the single-working-condition refrigerating machine respectively comprise a refrigerating compressor, a condenser, a throttling device and an evaporator which are sequentially connected; the system comprises an overheating cooling tower, a condenser of a single-working-condition ice-making refrigerator and a condenser of a single-working-condition refrigerator, wherein the overheating cooling tower, the condenser of the single-working-condition ice-making refrigerator and the condenser of the single-working-condition refrigerator are sequentially connected to form a loop; the cooling pump is disposed between the single station ice making chiller condenser and the superheat cooling tower; the first valve is arranged between the cooling pump and the overheating cooling tower;
the cold accumulation system comprises a single-working-condition refrigerator evaporator, a single-working-condition ice-making refrigerator evaporator, a second valve, a secondary refrigerant circulating pump, an ice bucket and a third valve which are sequentially connected to form a loop, wherein the second valve is arranged between the single-working-condition ice-making refrigerator evaporator and the secondary refrigerant circulating pump; a third valve is arranged between the evaporator of the single working condition refrigerator and the ice bucket; the cold discharging system comprises a first plate exchanger, a fourth valve, a secondary refrigerant circulating pump, an ice bucket and a fifth valve which are sequentially connected to form a loop, wherein one end of the fourth valve is arranged between the secondary refrigerant circulating pump and the second valve; one end of the fifth valve is arranged between the ice bucket and the third valve, and the other ends of the fourth valve and the fifth valve are connected with the first plate;
the air conditioner cold water circulating system comprises user equipment, a freezing water pump and a first plate exchanger which are sequentially connected to form a loop.
The system comprises a water supply pool, a hot water pump and a second plate, wherein the water supply pool, the hot water pump and the second plate are sequentially connected to form a loop, the second plate is sequentially connected with a cooling pump, a single-working-condition ice-making refrigerator condenser and a single-working-condition refrigerator condenser to form a loop, the second plate is connected with an overheating cooling tower in parallel, a heat exchange valve is arranged between the second plate and the cooling pump, one end of the heat exchange valve is connected between the cooling pump and the first valve, and the other end of the heat exchange valve is connected with the second plate.
According to a second aspect of the embodiments of the present invention, there is provided a double-open-close single-working-condition ice-storage refrigeration air-conditioning system, comprising a cooling water circulation system, a cold storage and discharge system and an air-conditioning cold water circulation system;
the cooling water circulation system comprises a cooling water pipe, a single-working-condition ice-making refrigerator, a single-working-condition refrigerator, an overheating cooling tower, a first valve and a cooling pump; the single-working-condition ice-making refrigerating machine and the single-working-condition refrigerating machine respectively comprise a refrigerating compressor, a condenser, a throttling device and an evaporator which are sequentially connected; the system comprises an overheating cooling tower, a condenser of a single-working-condition ice-making refrigerator and a condenser of a single-working-condition refrigerator, wherein the overheating cooling tower, the condenser of the single-working-condition ice-making refrigerator and the condenser of the single-working-condition refrigerator are sequentially connected to form a loop; the cooling pump is disposed between the single station ice making chiller condenser and the superheat cooling tower; the first valve is arranged between the cooling pump and the overheating cooling tower;
the cold accumulation system comprises a single-working-condition refrigerator evaporator, a single-working-condition ice-making refrigerator evaporator, a secondary refrigerant circulating pump, a second valve and an ice bucket which are sequentially connected to form a loop, wherein the second valve is arranged between the secondary refrigerant circulating pump and the ice bucket; the cold discharging system comprises a first plate exchanger, a third valve, a secondary refrigerant circulating pump, a single-working-condition ice-making refrigerator evaporator, a single-working-condition refrigerator evaporator, an ice bucket and a fourth valve which are sequentially connected to form a loop, wherein one end of the third valve is arranged between the second valve and the secondary refrigerant circulating pump, one end of the fourth valve is arranged between the second valve and the ice bucket, and the other ends of the third valve and the fourth valve are connected with the first plate exchanger;
the air conditioner cold water circulating system comprises user equipment, a freezing water pump and a first plate exchanger which are sequentially connected to form a loop.
Still include hot water heating system, hot water heating system trades including the water supply pool, the hot-water pump and the second board that connect gradually and form the return circuit, the second board trades and connects gradually with cooling pump, simplex condition ice-making refrigerator condenser and simplex condition refrigerator condenser and forms the return circuit, the second board trades and overheat cooling tower is parallelly connected the setting, the second board trades and is provided with the heat transfer valve between the cooling pump, heat transfer valve one end is connected between cooling pump and the first valve, the heat transfer valve other end is connected the second board trades.
According to a third aspect of the embodiments of the present invention, there is provided a dual-open-close single-working-condition ice-storage refrigeration air-conditioning system, comprising a cooling water circulation system, a cold storage and discharge system and an air-conditioning cold water circulation system;
the cooling water circulation system comprises a cooling water pipe, an overheating cooling tower, a single-working-condition ice making refrigerator, a single-working-condition refrigerator, a cooling pump and a first valve; the single-working-condition ice-making refrigerating machine and the single-working-condition refrigerating machine respectively comprise a refrigerating compressor, a condenser, a throttling device and an evaporator which are sequentially connected; the system comprises an overheating cooling tower, a condenser of a single-working-condition refrigerator and a condenser of a single-working-condition ice-making refrigerator, wherein the overheating cooling tower, the condenser of the single-working-condition refrigerator and the condenser of the single-working-condition ice-making refrigerator are sequentially connected to form a loop; the cooling pump is disposed between the single station ice making freezer and the superheating cooling tower; the first valve is arranged between the cooling pump and the overheating cooling tower;
the cold accumulation system comprises a single-working-condition ice making refrigerator evaporator, a secondary refrigerant circulating pump, a second valve and an ice bucket which are sequentially connected to form a loop, wherein the second valve is arranged on a return pipeline between the secondary refrigerant circulating pump and the ice bucket, and the single-working-condition ice making refrigerator evaporator is connected with the single-working-condition ice making refrigerator evaporator in parallel through a parallel pipeline; the cold discharging system comprises a first plate exchanger, a third valve, a secondary refrigerant circulating pump, a single-working-condition ice-making refrigerator evaporator, a single-working-condition refrigerator evaporator, an ice bucket and a fourth valve which are sequentially connected to form a loop, wherein one end of the third valve is arranged between the second valve and the secondary refrigerant circulating pump, one end of the fourth valve is arranged between the second valve and the ice bucket, and the other ends of the third valve and the fourth valve are connected with the first plate exchanger;
the air conditioner cold water circulating system comprises user equipment, a freezing water pump and a first plate exchanger which are sequentially connected to form a loop.
Still include hot water heating system, hot water heating system trades including the water supply pool, the hot-water pump and the second board that connect gradually and form the return circuit, the second board trades and connects gradually with cooling pump, simplex condition ice-making refrigerator condenser and simplex condition refrigerator condenser and forms the return circuit, the second board trades and overheat cooling tower is parallelly connected the setting, the second board trades and is provided with the heat transfer valve between the cooling pump, heat transfer valve one end is connected between cooling pump and the first valve, the heat transfer valve other end is connected the second board trades.
According to a fourth aspect of the embodiments of the present invention, there is provided a dual-open-close single-working-condition ice-storage refrigeration air-conditioning system, comprising a cooling water circulation system, a cold storage and discharge system and an air-conditioning cold water circulation system;
the cooling water circulation system comprises a cooling water pipe, an overheating cooling tower, a single-working-condition ice making refrigerator, a single-working-condition refrigerator, a cooling pump and a first valve; the single-working-condition ice-making refrigerating machine and the single-working-condition refrigerating machine respectively comprise a refrigerating compressor, a condenser, a throttling device and an evaporator which are sequentially connected; the system comprises an overheating cooling tower, a condenser of a single-working-condition refrigerator and a condenser of a single-working-condition ice-making refrigerator, wherein the overheating cooling tower, the condenser of the single-working-condition refrigerator and the condenser of the single-working-condition ice-making refrigerator are sequentially connected to form a loop; the cooling pump is disposed between the single station ice making freezer and the superheating cooling tower; the first valve is arranged between the cooling pump and the overheating cooling tower;
the cold accumulation system comprises a single-working-condition refrigerator evaporator, a second valve, a secondary refrigerant circulating pump, an ice bucket and a third valve which are sequentially connected to form a loop, the second valve is arranged between the single-working-condition refrigerator evaporator and the secondary refrigerant circulating pump, the third valve is arranged between the single-working-condition refrigerator evaporator and the ice bucket, the cold accumulation system further comprises a single-working-condition ice-making refrigerator evaporator which is connected with the single-working-condition refrigerator evaporator in parallel through a parallel pipeline, a fourth valve and a fifth valve are arranged on the parallel pipeline, one end of the fourth valve is arranged between the second valve and the single-working-condition refrigerator evaporator, one end of the fifth valve is arranged between the third valve and the single-working-condition refrigerator evaporator, and the other ends of the fourth valve and the fifth valve are connected with the single-working-condition ice-making refrigerator evaporator; the cold discharging system comprises a first plate exchanger, a sixth valve, a secondary refrigerant circulating pump, an ice bucket and a seventh valve which are sequentially connected to form a loop, one end of the sixth valve is arranged between the second valve and the secondary refrigerant circulating pump, one end of the seventh valve is arranged between the third valve and the ice bucket, and the other ends of the sixth valve and the seventh valve are connected with the first plate exchanger;
the air conditioner cold water circulating system comprises user equipment, a freezing water pump and a first plate exchanger which are sequentially connected to form a loop.
Still include hot water heating system, hot water heating system trades including the water supply pool, the hot-water pump and the second board that connect gradually and form the return circuit, the second board trades and connects gradually with cooling pump, simplex condition ice-making refrigerator condenser and simplex condition refrigerator condenser and forms the return circuit, the second board trades and overheat cooling tower is parallelly connected the setting, the second board trades and is provided with the heat transfer valve between the cooling pump, heat transfer valve one end is connected between cooling pump and the first valve, the heat transfer valve other end is connected the second board trades.
The embodiment of the utility model provides a have following advantage:
the utility model aims to replace the prior low-efficiency dual-working condition ice maker by using the single working condition set, simultaneously make ice by opening two single working conditions, and melt ice when opening one single working condition, thereby reducing the load power required by the single dual-working condition operation and providing the service life; meanwhile, the two single working condition units are controlled to operate in the same or different time, so that the installed capacity of the single ice storage unit is reduced, the operation is simpler, and the efficiency is more efficient; the service life of the single unit is prolonged, and the maintenance is more convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural view of a double-open-close single-working condition ice-storage refrigeration air-conditioning system provided in embodiment 1 of the present invention;
in fig. 1: 1 a cooling water circulation system; 101 a cooling water pipe; 102 superheating a cooling tower; 103 single-stage ice-making refrigerators; 1031 a refrigeration compressor; 1032 a condenser; 1033 a throttling device; 1034 an evaporator; 104 a cooling pump; 105 a first valve; 106 single-working-condition refrigerators; 1061 a refrigeration compressor; 1062 a condenser; 1063 a throttling device; 1064 an evaporator; 2 cold accumulation and discharge system; 201 a second valve; 202 coolant circulation pump; 203, an ice bucket; 204 a third valve; 205 a fourth valve; 206 a fifth valve; 3, an air conditioner cold water circulating system; 301 user equipment; 302 a chilled water pump; 303, exchanging a first plate; 4, a hot water system; 401 water supply tank; 402 a hot water pump; 403 second plate exchange; 5 heat exchange valve.
Fig. 2 is a schematic structural view of a double-open-close single-working condition ice-storage refrigeration air-conditioning system provided in embodiment 2 of the present invention;
in fig. 2: 1 a cooling water circulation system; 101 a cooling water pipe; 102 superheating a cooling tower; 103 single-stage ice-making refrigerators; 1031 a refrigeration compressor; 1032 a condenser; 1033 a throttling device; 1034 an evaporator; 104 a cooling pump; 105 a first valve; 106 single-working-condition refrigerators; 1061 a refrigeration compressor; 1062 a condenser; 1063 a throttling device; 1064 an evaporator; 2 cold accumulation and discharge system; 201 a second valve; 202 coolant circulation pump; 203, an ice bucket; 204 a third valve; 205 a fourth valve; 3, an air conditioner cold water circulating system; 301 user equipment; 302 a chilled water pump; 303, exchanging a first plate; 4, a hot water system; 401 water supply tank; 402 a hot water pump; 403 second plate exchange; 5 heat exchange valve.
Fig. 3 is a schematic structural view of a dual-open-close single-working condition ice-storage refrigeration air-conditioning system provided in embodiment 3 of the present invention;
in fig. 3: 1 a cooling water circulation system; 101 a cooling water pipe; 102 superheating a cooling tower; 103 single-stage ice-making refrigerators; 1031 a refrigeration compressor; 1032 a condenser; 1033 a throttling device; 1034 an evaporator; 104 a cooling pump; 105 a first valve; 106 single-working-condition refrigerators; 1061 a refrigeration compressor; 1062 a condenser; 1063 a throttling device; 1064 an evaporator; 2 cold accumulation and discharge system; 201 a second valve; 202 coolant circulation pump; 203, an ice bucket; 204 a third valve; 205 a fourth valve; 3, an air conditioner cold water circulating system; 301 user equipment; 302 a chilled water pump; 303, exchanging a first plate; 4, a hot water system; 401 water supply tank; 402 a hot water pump; 403 second plate exchange; 5 heat exchange valve.
Fig. 4 is a schematic structural view of a dual-open-close single-working-condition ice-storage refrigeration air-conditioning system provided in embodiment 4 of the present invention;
in fig. 4: 1 a cooling water circulation system; 101 a cooling water pipe; 102 superheating a cooling tower; 103 single-stage ice-making refrigerators; 1031 a refrigeration compressor; 1032 a condenser; 1033 a throttling device; 1034 an evaporator; 104 a cooling pump; 105 a first valve; 106 single-working-condition refrigerators; 1061 a refrigeration compressor; 1062 a condenser; 1063 a throttling device; 1064 an evaporator; 2 cold accumulation and discharge system; 201 a second valve; 202 coolant circulation pump; 203, an ice bucket; 204 a third valve; 205 a fourth valve; 206 a fifth valve; 207 a sixth valve; 208 a seventh valve; 3, an air conditioner cold water circulating system; 301 user equipment; 302 a chilled water pump; 303, exchanging a first plate; 4, a hot water system; 401 water supply tank; 402 a hot water pump; 403 second plate exchange; 5 heat exchange valve.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
Example 1
According to a first aspect of the embodiments of the present invention, as shown in fig. 1, there is provided a double-open-close single-working-condition ice-storage refrigeration air-conditioning system, comprising a cooling water circulation system 1, a cold storage and discharge system 2 and an air-conditioning cold water circulation system 3;
the cooling water circulation system 1 comprises a cooling water pipe 101, a single-station ice-making refrigerator 103, a single-station refrigerator 106, an overheating cooling tower 102, a first valve 105 and a cooling pump 104; the single-working-condition ice-making refrigerator 103 and the single-working-condition refrigerator 106 both comprise a refrigeration compressor, a condenser, a throttling device and an evaporator which are sequentially connected, specifically, the single-working-condition ice-making refrigerator 103 comprises a refrigeration compressor 1031, a condenser 1032, a throttling device 1033 and an evaporator 1034, and specifically, the single-working-condition refrigerator 106 comprises a refrigeration compressor 1061, a condenser 1062, a throttling device 1063 and an evaporator 1064; the overheating cooling tower 102, the single-working-condition ice-making refrigerator condenser 1032 and the single-working-condition refrigerator condenser 1062 are sequentially connected to form a loop, and the single-working-condition ice-making refrigerator condenser 1032 and the single-working-condition refrigerator condenser 1062 are arranged in series through a cooling water pipe 101; the cooling pump 104 is disposed between the single-condition ice-making freezer condenser 1032 and the superheat cooling tower 102; the first valve 105 is arranged between the cooling pump 104 and the superheated cooling tower 102; in this embodiment, it should be noted that the single-operating-condition ice-making refrigerator 103 is used for ice-making and cold-storage at night, and the configuration of the components is different from that of the single-operating-condition refrigerator 106, so that the single-operating-condition ice-making refrigerator 103 is only suitable for the ice-making operating condition, and thus, the power distribution power of the system is reduced, and the investment of the power distribution system is reduced.
The cold accumulation system comprises a single-working-condition refrigerator evaporator 1034, a single-working-condition ice-making refrigerator evaporator 1064, a second valve 201, a secondary refrigerant circulating pump 202, an ice bucket 203 and a third valve 204 which are sequentially connected to form a loop, wherein the second valve 201 is arranged between the single-working-condition ice-making refrigerator evaporator 1034 and the secondary refrigerant circulating pump 202; a third valve 204 is arranged between the single-working-condition refrigerator evaporator 1034 and the ice bucket 203; the cooling system comprises a first plate exchanger 303, a fourth valve 205, a secondary refrigerant circulating pump 202, an ice bucket 203 and a fifth valve 206 which are sequentially connected to form a loop, wherein one end of the fourth valve 205 is arranged between the secondary refrigerant circulating pump 202 and the second valve 201; one end of the fifth valve 206 is arranged between the ice bucket 203 and the third valve 204, and the other ends of the fourth valve 205 and the fifth valve 206 are both connected with the first plate exchanger 303;
the air-conditioning cold water circulating system 3 comprises user equipment 301, a chilled water pump 302 and a first plate exchanger 303 which are sequentially connected to form a loop.
Further, the system comprises a hot water system 4, wherein the hot water system 4 comprises a water supply tank 401, a hot water pump 402 and a second plate switch 403 which are sequentially connected to form a loop, the second plate switch 403 is sequentially connected with a cooling pump 104, a single-working-condition ice-making refrigerator condenser 1032 and a single-working-condition refrigerator condenser 1062 to form a loop, the second plate switch 403 and the overheating cooling tower 102 are arranged in parallel, a heat exchange valve 5 is arranged between the second plate switch 403 and the cooling pump 104, one end of the heat exchange valve 5 is connected between the cooling pump 104 and the first valve 105, and the other end of the heat exchange valve 5 is connected with the second plate switch 403.
In this embodiment, the coolant circulation pump 202 is both a cold storage circulation pump and a cold discharge circulation pump.
In this embodiment, the cooling pump, the hot water pump and the chilled water pump are all circulation pumps. Further, the coolant in the ice bucket is glycol.
By applying the technical scheme of the embodiment, the operation efficiency of the equipment is improved by controlling the operation of the relevant valves and the equipment, and the following use modes are specifically adopted:
the first use mode is as follows: and in the ice-making cold storage mode, the single-working-condition ice-making refrigerator 103, the single-working-condition refrigerator 106, the cooling water circulation system 1, the second valve 201 and the third valve 204 are simultaneously opened, and the fourth valve 205 and the fifth valve 206 are closed. In the using mode, after absorbing heat and raising temperature, the cooling water is sent to the overheating cooling tower 102 for heat dissipation or the hot water system 4 is started to supply heat to the water supply pool 401, the cooled cooling water flows back to the single-working-condition ice making refrigerator condenser 1032 and the single-working-condition refrigerator condenser 1062 through pipelines, the secondary refrigerant circulating pump 202 drives the secondary refrigerant to reach the ice bucket 203 for ice making and cold storage, and the secondary refrigerant is sent to the single-working-condition ice making refrigerator evaporator 1034 and the single-working-condition refrigerator evaporator 1064 for cooling after raising temperature, so that an ice making and cold storage cycle is formed.
The second use mode is as follows: and in the ice bucket ice melting refrigeration mode, the second valve 201 and the third valve 204 are closed, and the fourth valve 205, the fifth valve 206, the secondary refrigerant circulating pump 202 and the air conditioner cold water circulating system 3 are opened. In the using mode, the secondary refrigerant circulating pump 202 drives the secondary refrigerant to the ice bucket 203 for cooling and cooling, and then the secondary refrigerant is sent to the first plate exchanger 303 for heat exchange and temperature rise, so that an ice melting and cooling process is formed; water in the air conditioner cold water circulating system 3 is circularly sent into the first plate exchanger 303 to exchange heat and reduce temperature, and then is circulated to the user equipment 301 to supply cold, so that ice melting refrigeration is formed.
The third use mode is as follows: the ice bucket ice melting and single working condition refrigerator refrigeration mode is that the single working condition ice making refrigerator 103 is closed, the second valve 201, the third valve 204, the fourth valve 205, the fifth valve 206, the single working condition refrigerator 106, the refrigerating medium circulating pump 202 and the air conditioner cold water circulating system 3 are opened. In the using mode, the secondary refrigerant circulating pump 202 drives the secondary refrigerant to the ice bucket 203 for cooling and cooling, and then the secondary refrigerant is sent to the first plate exchanger 303 for heat exchange and temperature rise, so that an ice melting and cooling mode is formed; water in the air conditioner cold water circulating system 3 is circularly sent into the first plate exchanger 303 to exchange heat and reduce temperature, and then is circulated to the user equipment 301 to supply cold, so that ice melting refrigeration is formed. In the process, the single-working-condition refrigerator 106 is simultaneously started to perform a refrigeration cycle, and the coolant is driven to enter the ice bucket 203 for refrigeration.
Example 2
According to a second aspect of the embodiment of the present invention, as shown in fig. 2, there is provided a double-open-close single-working-condition ice-storage refrigeration air-conditioning system, comprising a cooling water circulation system 1, a cold storage and discharge system 2 and an air-conditioning cold water circulation system 3;
the cooling water circulation system 1 comprises a cooling water pipe 101, a single-station ice-making refrigerator 103, a single-station refrigerator 106, an overheating cooling tower 102, a first valve 105 and a cooling pump 104; the single-working-condition ice-making refrigerator 103 and the single-working-condition refrigerator 106 both comprise a refrigeration compressor, a condenser, a throttling device and an evaporator which are sequentially connected, specifically, the single-working-condition ice-making refrigerator 103 comprises a refrigeration compressor 1031, a condenser 1032, a throttling device 1033 and an evaporator 1034, and specifically, the single-working-condition refrigerator 106 comprises a refrigeration compressor 1061, a condenser 1062, a throttling device 1063 and an evaporator 1064; the overheating cooling tower 102, the single-working-condition ice-making refrigerator condenser 1032 and the single-working-condition refrigerator condenser 1062 are sequentially connected to form a loop, and the single-working-condition ice-making refrigerator condenser 1032 and the single-working-condition refrigerator condenser 1062 are arranged in series through a cooling water pipe 101; the cooling pump 104 is disposed between the single-condition ice-making freezer condenser 1032 and the superheat cooling tower 102; the first valve 105 is arranged between the cooling pump 104 and the superheated cooling tower 102;
the cold accumulation system comprises a single-working-condition refrigerator evaporator 1034, a single-working-condition ice-making refrigerator evaporator 1064, a secondary refrigerant circulating pump 202, a second valve 201 and an ice bucket 203 which are sequentially connected to form a loop, wherein the second valve 201 is arranged between the secondary refrigerant circulating pump 202 and the ice bucket 203; the cold discharging system comprises a first plate exchanger 303, a third valve 204, a secondary refrigerant circulating pump 202, a single-working-condition ice-making refrigerator evaporator 1034, a single-working-condition refrigerator evaporator 1064, an ice bucket 203 and a fourth valve 205 which are sequentially connected to form a loop, one end of the third valve 204 is arranged between the second valve 201 and the secondary refrigerant circulating pump 202, one end of the fourth valve 205 is arranged between the second valve 201 and the ice bucket 203, and the other ends of the third valve 204 and the fourth valve 205 are connected with the first plate exchanger 303;
the air-conditioning cold water circulating system 3 comprises user equipment 301, a chilled water pump 302 and a first plate exchanger 303 which are sequentially connected to form a loop.
The system is characterized by further comprising a hot water system 4, wherein the hot water system 4 comprises a water supply pool 401, a hot water pump 402 and a second plate exchanger 403 which are sequentially connected to form a loop, the second plate exchanger 403 is sequentially connected with a cooling pump 104, a single-working-condition ice-making refrigerator condenser 1032 and a single-working-condition refrigerator condenser 1062 to form a loop, the second plate exchanger 403 is arranged in parallel with the overheating cooling tower 102, a heat exchange valve 5 is arranged between the second plate exchanger 403 and the cooling pump 104, one end of the heat exchange valve 5 is connected between the cooling pump 104 and the first valve 105, and the other end of the heat exchange valve 5 is connected with the second plate exchanger 403.
Further, the coolant circulation pump 202 is a cold storage circulation pump and a cold discharge circulation pump.
Further, the cooling pump, the hot water pump and the chilled water pump are all circulating pumps. Further, the coolant in the ice bucket is glycol.
By applying the technical scheme of the embodiment, the operation efficiency of the equipment is improved by controlling the operation of the relevant valves and the equipment, and the following use modes are specifically adopted:
the first use mode is as follows: in the ice-making and cold-storage mode, the single-working-condition ice-making refrigerator 103, the single-working-condition refrigerator 106, the cooling water circulation system 1, the secondary refrigerant circulation pump 202 and the second valve 201 are simultaneously opened, and the third valve 204 and the fourth valve 205 are closed. In the using mode, after absorbing heat and raising temperature, the cooling water is sent to the overheating cooling tower 102 for heat dissipation or the hot water system 4 is started to supply heat to the water supply pool 401, the cooled cooling water flows back to the single-working-condition ice making refrigerator condenser 1032 and the single-working-condition refrigerator condenser 1062 through pipelines, the secondary refrigerant circulating pump 202 drives the secondary refrigerant to reach the ice bucket 203 for ice making and cold storage, and the secondary refrigerant is sent to the single-working-condition ice making refrigerator evaporator 1034 and the single-working-condition refrigerator evaporator 1064 for cooling after raising temperature, so that an ice making and cold storage cycle is formed.
The second use mode is as follows: and in the ice bucket ice melting refrigeration mode, the second valve is closed, and the secondary refrigerant circulating pump 202, the first plate exchanger 303, the air conditioner cold water circulating system 3, the third valve 204 and the fourth valve 205 are opened. In the using mode, the secondary refrigerant circulating pump 202 drives the secondary refrigerant to the ice bucket 203 for cooling and cooling, and then the secondary refrigerant is sent to the first plate exchanger 303 for heat exchange and temperature rise, so that an ice melting and cooling process is formed; water in the air conditioner cold water circulating system 3 is circularly sent into the first plate exchanger 303 to exchange heat and reduce temperature, and then is circulated to the user equipment 301 to supply cold, so that ice melting refrigeration is formed.
The third use mode is as follows: and in the ice bucket ice melting and single working condition refrigerator refrigerating mode, the single working condition ice making refrigerator 103 and the second valve 201 are closed, and the single working condition refrigerator 106, the third valve 204, the fourth valve 205, the secondary refrigerant circulating pump 202 and the air conditioner cold water circulating system 3 are opened. In the using mode, the secondary refrigerant circulating pump 202 drives the secondary refrigerant to the ice bucket 203 for cooling and cooling, and then the secondary refrigerant is sent to the first plate exchanger 303 for heat exchange and temperature rise, so that an ice melting and cooling mode is formed; water in the air conditioner cold water circulating system 3 is circularly sent into the first plate exchanger 303 to exchange heat and reduce temperature, and then is circulated to the user equipment 301 to supply cold, so that ice melting refrigeration is formed. In the process, the single-working-condition refrigerator 106 is simultaneously started to perform a refrigeration cycle, and the coolant is driven to enter the ice bucket 203 for refrigeration.
Example 3
According to a third aspect of the embodiment of the present invention, as shown in fig. 3, there is provided a double-open-close single-working-condition ice-storage refrigeration air-conditioning system, comprising a cooling water circulation system 1, a cold storage and discharge system 2 and an air-conditioning cold water circulation system 3;
the cooling water circulation system 1 comprises a cooling water pipe 101, a superheating cooling tower 102, a single-station ice-making refrigerator 103, a single-station refrigerator 106, a cooling pump 104 and a first valve 105; the single-working-condition ice-making refrigerator 103 and the single-working-condition refrigerator 106 both comprise a refrigeration compressor, a condenser, a throttling device and an evaporator which are sequentially connected, specifically, the single-working-condition ice-making refrigerator 103 comprises a refrigeration compressor 1031, a condenser 1032, a throttling device 1033 and an evaporator 1034, and specifically, the single-working-condition refrigerator 106 comprises a refrigeration compressor 1061, a condenser 1062, a throttling device 1063 and an evaporator 1064; the superheated cooling tower 102, the single-working-condition refrigerator condenser 1032 and the single-working-condition ice-making refrigerator condenser 1062 are sequentially connected to form a loop, and the single-working-condition ice-making refrigerator condenser 1032 and the single-working-condition refrigerator condenser 1062 are arranged in series through a cooling water pipe 101; the cooling pump 104 is arranged between the single-working-condition ice-making freezer 103 and the superheated cooling tower 102; the first valve 105 is arranged between the cooling pump 104 and the superheated cooling tower 102;
the cold accumulation system comprises a single-working-condition ice making refrigerator evaporator 1034, a secondary refrigerant circulating pump 202, a second valve 201 and an ice bucket 203 which are sequentially connected to form a loop, wherein the second valve 201 is arranged on a return pipeline between the secondary refrigerant circulating pump 202 and the ice bucket 203, and the cold accumulation system further comprises a single-working-condition refrigerator evaporator 1064 which is connected with the single-working-condition ice making refrigerator evaporator 1034 in parallel through a parallel pipeline; the cold discharging system comprises a first plate exchanger 303, a third valve 204, a secondary refrigerant circulating pump 202, a single-working-condition ice-making refrigerator evaporator 1034, a single-working-condition refrigerator evaporator 1064, an ice bucket 203 and a fourth valve 205 which are sequentially connected to form a loop, one end of the third valve 204 is arranged between the second valve 201 and the secondary refrigerant circulating pump 202, one end of the fourth valve 205 is arranged between the second valve 201 and the ice bucket 203, and the other ends of the third valve 204 and the fourth valve 205 are connected with the first plate exchanger 303;
the air-conditioning cold water circulating system 3 comprises user equipment 301, a chilled water pump 302 and a first plate exchanger 303 which are sequentially connected to form a loop.
The system is characterized by further comprising a hot water system 4, wherein the hot water system 4 comprises a water supply pool 401, a hot water pump 402 and a second plate exchanger 403 which are sequentially connected to form a loop, the second plate exchanger 403 is sequentially connected with a cooling pump 104, a single-working-condition ice-making refrigerator condenser 1032 and a single-working-condition refrigerator condenser 1062 to form a loop, the second plate exchanger 403 is arranged in parallel with the overheating cooling tower 102, a heat exchange valve 5 is arranged between the second plate exchanger 403 and the cooling pump 104, one end of the heat exchange valve 5 is connected between the cooling pump 104 and the first valve 105, and the other end of the heat exchange valve 5 is connected with the second plate exchanger 403.
Further, the coolant circulation pump 202 is a cold storage circulation pump and a cold discharge circulation pump.
Further, the cooling pump, the hot water pump and the chilled water pump are all circulating pumps. Further, the coolant in the ice bucket is glycol.
By applying the technical scheme of the embodiment, the operation efficiency of the equipment is improved by controlling the operation of the relevant valves and the equipment, and the following use modes are specifically adopted:
the first use mode is as follows: in the ice-making and cold-storage mode, the single-working-condition ice-making refrigerator 103, the single-working-condition refrigerator 106, the cooling water circulation system 1, the secondary refrigerant circulation pump 202 and the second valve 201 are simultaneously opened, and the third valve 204 and the fourth valve 205 are closed. In the using mode, after absorbing heat and raising temperature, the cooling water is sent to the overheating cooling tower 102 for heat dissipation or the hot water system 4 is started to supply heat to the water supply pool 401, the cooled cooling water flows back to the single-working-condition ice making refrigerator condenser 1032 and the single-working-condition refrigerator condenser 1062 through pipelines, the secondary refrigerant circulating pump 202 drives the secondary refrigerant to reach the ice bucket 203 for ice making and cold storage, and the secondary refrigerant is sent to the single-working-condition ice making refrigerator evaporator 1034 and the single-working-condition refrigerator evaporator 1064 for cooling after raising temperature, so that an ice making and cold storage cycle is formed.
The second use mode is as follows: and in the ice bucket ice melting refrigeration mode, the second valve is closed, and the secondary refrigerant circulating pump 202, the first plate exchanger 303, the air conditioner cold water circulating system 3, the third valve 204 and the fourth valve 205 are opened. In the using mode, the secondary refrigerant circulating pump 202 drives the secondary refrigerant to the ice bucket 203 for cooling and cooling, and then the secondary refrigerant is sent to the first plate exchanger 303 for heat exchange and temperature rise, so that an ice melting and cooling process is formed; water in the air conditioner cold water circulating system 3 is circularly sent into the first plate exchanger 303 to exchange heat and reduce temperature, and then is circulated to the user equipment 301 to supply cold, so that ice melting refrigeration is formed.
The third use mode is as follows: and in the ice bucket ice melting and single working condition refrigerator refrigerating mode, the single working condition ice making refrigerator 103 and the second valve 201 are closed, and the single working condition refrigerator 106, the third valve 204, the fourth valve 205, the secondary refrigerant circulating pump 202 and the air conditioner cold water circulating system 3 are opened. In the using mode, the secondary refrigerant circulating pump 202 drives the secondary refrigerant to the ice bucket 203 for cooling and cooling, and then the secondary refrigerant is sent to the first plate exchanger 303 for heat exchange and temperature rise, so that an ice melting and cooling mode is formed; water in the air conditioner cold water circulating system 3 is circularly sent into the first plate exchanger 303 to exchange heat and reduce temperature, and then is circulated to the user equipment 301 to supply cold, so that ice melting refrigeration is formed. In the process, the single-working-condition refrigerator 106 is simultaneously started to perform a refrigeration cycle, and the coolant is driven to enter the ice bucket 203 for refrigeration.
Example 4
According to a fourth aspect of the embodiment of the present invention, as shown in fig. 4, there is provided a dual-open-close single-working-condition ice-storage refrigeration air-conditioning system, comprising a cooling water circulation system 1, a cold storage and discharge system 2 and an air-conditioning cold water circulation system 3;
the cooling water circulation system 1 comprises a cooling water pipe 101, a superheating cooling tower 102, a single-station ice-making refrigerator 103, a single-station refrigerator 106, a cooling pump 104 and a first valve 105; the single-working-condition ice-making refrigerator 103 and the single-working-condition refrigerator 106 both comprise a refrigeration compressor, a condenser, a throttling device and an evaporator which are sequentially connected, specifically, the single-working-condition ice-making refrigerator 103 comprises a refrigeration compressor 1031, a condenser 1032, a throttling device 1033 and an evaporator 1034, and specifically, the single-working-condition refrigerator 106 comprises a refrigeration compressor 1061, a condenser 1062, a throttling device 1063 and an evaporator 1064; the superheated cooling tower 102, the single-working-condition refrigerator condenser 1062 and the single-working-condition ice-making refrigerator condenser 1032 are sequentially connected to form a loop, and the single-working-condition ice-making refrigerator condenser 1032 and the single-working-condition refrigerator condenser 1062 are arranged in series through a cooling water pipe 101; the cooling pump 104 is arranged between the single-working-condition ice-making freezer 103 and the superheated cooling tower 102; the first valve 105 is arranged between the cooling pump 104 and the superheated cooling tower 102;
the cold accumulation system comprises a single working condition refrigerator evaporator 1064, a second valve 201, a secondary refrigerant circulating pump 202, an ice bucket 203 and a third valve 204 which are connected in sequence to form a loop, the second valve 201 is arranged between the single-operating-condition refrigerator evaporator 1064 and the coolant circulating pump 202, the third valve 204 is disposed between the single-operating-condition refrigerator evaporator 1064 and the ice bucket 203, and further includes a single-operating-condition ice-making refrigerator evaporator 1034 disposed in parallel with the single-operating-condition refrigerator evaporator 1064 through a parallel pipeline, a fourth valve 205 and a fifth valve 206 are arranged on the parallel pipeline, one end of the fourth valve 205 is arranged between the second valve 201 and the evaporator 1064 of the single-working-condition refrigerator, one end of the fifth valve 206 is disposed between the third valve 204 and the single-stage chiller evaporator 1064, the other ends of the fourth valve 205 and the fifth valve 206 are connected to the single station ice making freezer evaporator 1034; the cooling system comprises a first plate exchanger 303, a sixth valve 207, a secondary refrigerant circulating pump 202, an ice bucket 203 and a seventh valve 208 which are sequentially connected to form a loop, one end of the sixth valve 207 is arranged between the second valve 201 and the secondary refrigerant circulating pump 202, one end of the seventh valve 208 is arranged between the third valve 204 and the ice bucket 203, and the other ends of the sixth valve 207 and the seventh valve 208 are connected with the first plate exchanger 303;
the air-conditioning cold water circulating system 3 comprises user equipment 301, a chilled water pump 302 and a first plate exchanger 303 which are sequentially connected to form a loop.
The system is characterized by further comprising a hot water system 4, wherein the hot water system 4 comprises a water supply pool 401, a hot water pump 402 and a second plate exchanger 403 which are sequentially connected to form a loop, the second plate exchanger 403 is sequentially connected with a cooling pump 104, a single-working-condition ice-making refrigerator condenser 1032 and a single-working-condition refrigerator condenser 1062 to form a loop, the second plate exchanger 403 is arranged in parallel with the overheating cooling tower 102, a heat exchange valve 5 is arranged between the second plate exchanger 403 and the cooling pump 104, one end of the heat exchange valve 5 is connected between the cooling pump 104 and the first valve 105, and the other end of the heat exchange valve 5 is connected with the second plate exchanger 403.
Further, the coolant circulation pump 202 is a cold storage circulation pump and a cold discharge circulation pump.
Further, the cooling pump, the hot water pump and the chilled water pump are all circulating pumps. Further, the coolant in the ice bucket is glycol.
By applying the technical scheme of the embodiment, the operation efficiency of the equipment is improved by controlling the operation of the relevant valves and the equipment, and the following use modes are specifically adopted:
the first use mode is as follows: and in the ice-making cold storage mode, the single-working-condition ice-making refrigerator 103, the single-working-condition refrigerator 106, the cooling water circulating system 1, the secondary refrigerant circulating pump 202, the second valve 201, the third valve 204, the fourth valve 205 and the fifth valve 206 are simultaneously opened, and the sixth valve 207 and the seventh valve 208 are closed. In the using mode, after absorbing heat and raising temperature, the cooling water is sent to the overheating cooling tower 102 for heat dissipation or the hot water system 4 is started to supply heat to the water supply pool 401, the cooled cooling water flows back to the single-working-condition ice making refrigerator condenser 1032 and the single-working-condition refrigerator condenser 1062 through pipelines, the secondary refrigerant circulating pump 202 drives the secondary refrigerant to reach the ice bucket 203 for ice making and cold storage, and the secondary refrigerant is sent to the single-working-condition ice making refrigerator evaporator 1034 and the single-working-condition refrigerator evaporator 1064 for cooling after raising temperature, so that an ice making and cold storage cycle is formed.
The second use mode is as follows: in the ice bucket ice melting refrigeration mode, the second valve 201 and the third valve 204 are closed, and the secondary refrigerant circulating pump 202, the first plate exchanger 303, the air conditioner cold water circulating system 3, the sixth valve 207 and the seventh valve 208 are opened. In the using mode, the secondary refrigerant circulating pump 202 drives the secondary refrigerant to the ice bucket 203 for cooling and cooling, and then the secondary refrigerant is sent to the first plate exchanger 303 for heat exchange and temperature rise, so that an ice melting and cooling process is formed; water in the air conditioner cold water circulating system 3 is circularly sent into the first plate exchanger 303 to exchange heat and reduce temperature, and then is circulated to the user equipment 301 to supply cold, so that ice melting refrigeration is formed.
The third use mode is as follows: and in the ice bucket ice melting and single-working-condition refrigerator refrigerating mode, the single-working-condition ice making refrigerator 103, the fourth valve 205 and the fifth valve 206 are closed, and the single-working-condition refrigerator 106, the second valve 201, the third valve 204, the sixth valve 207, the seventh valve 208, the secondary refrigerant circulating pump 202 and the air-conditioning cold water circulating system 3 are opened. In the using mode, the secondary refrigerant circulating pump 202 drives the secondary refrigerant to the ice bucket 203 for cooling and cooling, and then the secondary refrigerant is sent to the first plate exchanger 303 for heat exchange and temperature rise, so that an ice melting and cooling mode is formed; water in the air conditioner cold water circulating system 3 is circularly sent into the first plate exchanger 303 to exchange heat and reduce temperature, and then is circulated to the user equipment 301 to supply cold, so that ice melting refrigeration is formed. In the process, the single-working-condition refrigerator 106 is simultaneously started to perform a refrigeration cycle, and the coolant is driven to enter the ice bucket 203 for refrigeration.
The embodiment of the utility model provides a have following advantage:
by controlling the two single working condition units to operate in the same or different time, the installed capacity of the single ice storage unit is reduced, the operation is simpler, and the efficiency is more efficient; the service life of the single unit is prolonged, and the maintenance is more convenient.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. A double-open-close single-working-condition ice-storage refrigeration air-conditioning system is characterized by comprising a cooling water circulating system, a cold storage and discharge system and an air-conditioning cold water circulating system;
the cooling water circulation system comprises a cooling water pipe, a single-working-condition ice-making refrigerator, a single-working-condition refrigerator, an overheating cooling tower, a first valve and a cooling pump; the single-working-condition ice-making refrigerating machine and the single-working-condition refrigerating machine respectively comprise a refrigerating compressor, a condenser, a throttling device and an evaporator which are sequentially connected; the system comprises an overheating cooling tower, a condenser of a single-working-condition ice-making refrigerator and a condenser of a single-working-condition refrigerator, wherein the overheating cooling tower, the condenser of the single-working-condition ice-making refrigerator and the condenser of the single-working-condition refrigerator are sequentially connected to form a loop; the cooling pump is disposed between the single station ice making chiller condenser and the superheat cooling tower; the first valve is arranged between the cooling pump and the overheating cooling tower;
the cold accumulation system comprises a single-working-condition refrigerator evaporator, a single-working-condition ice-making refrigerator evaporator, a second valve, a secondary refrigerant circulating pump, an ice bucket and a third valve which are sequentially connected to form a loop, wherein the second valve is arranged between the single-working-condition ice-making refrigerator evaporator and the secondary refrigerant circulating pump; a third valve is arranged between the evaporator of the single working condition refrigerator and the ice bucket; the cold discharging system comprises a first plate exchanger, a fourth valve, a secondary refrigerant circulating pump, an ice bucket and a fifth valve which are sequentially connected to form a loop, wherein one end of the fourth valve is arranged between the secondary refrigerant circulating pump and the second valve; one end of the fifth valve is arranged between the ice bucket and the third valve, and the other ends of the fourth valve and the fifth valve are connected with the first plate;
the air conditioner cold water circulating system comprises user equipment, a freezing water pump and a first plate exchanger which are sequentially connected to form a loop.
2. A double-open-close single-working-condition ice-storage refrigeration air-conditioning system is characterized by comprising a cooling water circulating system, a cold storage and discharge system and an air-conditioning cold water circulating system;
the cooling water circulation system comprises a cooling water pipe, a single-working-condition ice-making refrigerator, a single-working-condition refrigerator, an overheating cooling tower, a first valve and a cooling pump; the single-working-condition ice-making refrigerating machine and the single-working-condition refrigerating machine respectively comprise a refrigerating compressor, a condenser, a throttling device and an evaporator which are sequentially connected; the system comprises an overheating cooling tower, a condenser of a single-working-condition ice-making refrigerator and a condenser of a single-working-condition refrigerator, wherein the overheating cooling tower, the condenser of the single-working-condition ice-making refrigerator and the condenser of the single-working-condition refrigerator are sequentially connected to form a loop; the cooling pump is disposed between the single station ice making chiller condenser and the superheat cooling tower; the first valve is arranged between the cooling pump and the overheating cooling tower;
the cold accumulation system comprises a single-working-condition refrigerator evaporator, a single-working-condition ice-making refrigerator evaporator, a secondary refrigerant circulating pump, a second valve and an ice bucket which are sequentially connected to form a loop, wherein the second valve is arranged between the secondary refrigerant circulating pump and the ice bucket; the cold discharging system comprises a first plate exchanger, a third valve, a secondary refrigerant circulating pump, a single-working-condition ice-making refrigerator evaporator, a single-working-condition refrigerator evaporator, an ice bucket and a fourth valve which are sequentially connected to form a loop, wherein one end of the third valve is arranged between the second valve and the secondary refrigerant circulating pump, one end of the fourth valve is arranged between the second valve and the ice bucket, and the other ends of the third valve and the fourth valve are connected with the first plate exchanger;
the air conditioner cold water circulating system comprises user equipment, a freezing water pump and a first plate exchanger which are sequentially connected to form a loop.
3. A double-open-close single-working-condition ice-storage refrigeration air-conditioning system is characterized by comprising a cooling water circulating system, a cold storage and discharge system and an air-conditioning cold water circulating system;
the cooling water circulation system comprises a cooling water pipe, an overheating cooling tower, a single-working-condition ice making refrigerator, a single-working-condition refrigerator, a cooling pump and a first valve; the single-working-condition ice-making refrigerating machine and the single-working-condition refrigerating machine respectively comprise a refrigerating compressor, a condenser, a throttling device and an evaporator which are sequentially connected; the system comprises an overheating cooling tower, a condenser of a single-working-condition refrigerator and a condenser of a single-working-condition ice-making refrigerator, wherein the overheating cooling tower, the condenser of the single-working-condition refrigerator and the condenser of the single-working-condition ice-making refrigerator are sequentially connected to form a loop; the cooling pump is disposed between the single station ice making freezer and the superheating cooling tower; the first valve is arranged between the cooling pump and the overheating cooling tower;
the cold accumulation system comprises a single-working-condition ice making refrigerator evaporator, a secondary refrigerant circulating pump, a second valve and an ice bucket which are sequentially connected to form a loop, wherein the second valve is arranged on a return pipeline between the secondary refrigerant circulating pump and the ice bucket, and the single-working-condition ice making refrigerator evaporator is connected with the single-working-condition ice making refrigerator evaporator in parallel through a parallel pipeline; the cold discharging system comprises a first plate exchanger, a third valve, a secondary refrigerant circulating pump, a single-working-condition ice-making refrigerator evaporator, a single-working-condition refrigerator evaporator, an ice bucket and a fourth valve which are sequentially connected to form a loop, one end of the third valve is arranged between the second valve and the secondary refrigerant circulating pump, one end of the fourth valve is arranged between the second valve and the ice bucket, and the other ends of the third valve and the fourth valve are connected with the first plate exchanger;
the air conditioner cold water circulating system comprises user equipment, a freezing water pump and a first plate exchanger which are sequentially connected to form a loop.
4. A double-open-close single-working-condition ice-storage refrigeration air-conditioning system is characterized by comprising a cooling water circulating system, a cold storage and discharge system and an air-conditioning cold water circulating system;
the cooling water circulation system comprises a cooling water pipe, an overheating cooling tower, a single-working-condition ice making refrigerator, a single-working-condition refrigerator, a cooling pump and a first valve; the single-working-condition ice-making refrigerating machine and the single-working-condition refrigerating machine respectively comprise a refrigerating compressor, a condenser, a throttling device and an evaporator which are sequentially connected; the system comprises an overheating cooling tower, a condenser of a single-working-condition refrigerator and a condenser of a single-working-condition ice-making refrigerator, wherein the overheating cooling tower, the condenser of the single-working-condition refrigerator and the condenser of the single-working-condition ice-making refrigerator are sequentially connected to form a loop; the cooling pump is disposed between the single station ice making freezer and the superheating cooling tower; the first valve is arranged between the cooling pump and the overheating cooling tower;
the cold accumulation system comprises a single-working-condition refrigerator evaporator, a second valve, a secondary refrigerant circulating pump, an ice bucket and a third valve which are sequentially connected to form a loop, the second valve is arranged between the single-working-condition refrigerator evaporator and the secondary refrigerant circulating pump, the third valve is arranged between the single-working-condition refrigerator evaporator and the ice bucket, the cold accumulation system further comprises a single-working-condition ice-making refrigerator evaporator which is connected with the single-working-condition refrigerator evaporator in parallel through a parallel pipeline, a fourth valve and a fifth valve are arranged on the parallel pipeline, one end of the fourth valve is arranged between the second valve and the single-working-condition refrigerator evaporator, one end of the fifth valve is arranged between the third valve and the single-working-condition refrigerator evaporator, and the other ends of the fourth valve and the fifth valve are connected with the single-working-condition ice-making refrigerator evaporator; the cold discharging system comprises a first plate exchanger, a sixth valve, a secondary refrigerant circulating pump, an ice bucket and a seventh valve which are sequentially connected to form a loop, one end of the sixth valve is arranged between the second valve and the secondary refrigerant circulating pump, one end of the seventh valve is arranged between the third valve and the ice bucket, and the other ends of the sixth valve and the seventh valve are connected with the first plate exchanger;
the air conditioner cold water circulating system comprises user equipment, a freezing water pump and a first plate exchanger which are sequentially connected to form a loop.
5. The dual-open-close single-working-condition ice-storage refrigeration air-conditioning system according to claim 4, further comprising a hot water system, wherein the hot water system comprises a water supply tank, a hot water pump and a second plate switch which are sequentially connected to form a loop, the second plate switch is sequentially connected with a cooling pump, a single-working-condition ice-making refrigerator condenser and a single-working-condition refrigerator condenser to form a loop, the second plate switch is connected with the overheating cooling tower in parallel, a heat exchange valve is arranged between the second plate switch and the cooling pump, one end of the heat exchange valve is connected between the cooling pump and the first valve, and the other end of the heat exchange valve is connected with the second plate switch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920782558.8U CN210153993U (en) | 2019-05-28 | 2019-05-28 | Double-opening and double-closing single-working-condition ice-storage refrigeration air-conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920782558.8U CN210153993U (en) | 2019-05-28 | 2019-05-28 | Double-opening and double-closing single-working-condition ice-storage refrigeration air-conditioning system |
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| CN210153993U true CN210153993U (en) | 2020-03-17 |
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| CN201920782558.8U Expired - Fee Related CN210153993U (en) | 2019-05-28 | 2019-05-28 | Double-opening and double-closing single-working-condition ice-storage refrigeration air-conditioning system |
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| CN (1) | CN210153993U (en) |
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