CN104613577B - Internal melt ice-chilling air conditioning system and its operation method - Google Patents
Internal melt ice-chilling air conditioning system and its operation method Download PDFInfo
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- CN104613577B CN104613577B CN201510019333.3A CN201510019333A CN104613577B CN 104613577 B CN104613577 B CN 104613577B CN 201510019333 A CN201510019333 A CN 201510019333A CN 104613577 B CN104613577 B CN 104613577B
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- refrigeration unit
- ice making
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B6/00—Compression machines, plants or systems, with several condenser circuits
- F25B6/02—Compression machines, plants or systems, with several condenser circuits arranged in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F2005/0032—Systems storing energy during the night
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention provides a kind of Internal melt ice-chilling air conditioning system and its operation method, the Internal melt ice-chilling air conditioning system includes cooling tower, either simplex condition ice making freeze machine, Ice Storage Tank, heat exchanger, refrigeration unit, end-equipment, valve and corresponding circulating pump.It is contemplated that replacing the inefficient Double-working-condition refrigerator in existing ice-chilling air conditioning system using the either simplex condition ice making freeze machine, it is responsible in night electricity low-valley interval cold storage of ice making, and day load is combined by the refrigeration unit and Ice Storage Tank of efficiency high and undertaken, improve the operational efficiency of cold supply system in the daytime, reduce refrigeration system matches somebody with somebody electrical power, reduce the operating cost of cold supply system, in addition, the present invention has five kinds of operational modes, control is more simple and reliable, with good economic benefit and social benefit.
Description
Technical field
The present invention relates to refrigeration and air-conditioning technical field, more particularly to a kind of Internal melt ice-chilling air conditioning system and its operation side
Method.
Background technology
Ice-chilling air conditioning system carries out cold storage of ice making using night dip electric power, is put in power surges period ice-melt in the daytime
It is cold, the construction cost in peak clipping power station with peak load shifting, balancing power network load, can be reduced with reducing the pollution to environment, with very
Good economic benefit and social benefit.
However, the public building of existing use ice-chilling air conditioning system uses sub-load the method for ice-storage air, i.e. ice cold-storage
Air-conditioning system is made up of the Double-working-condition refrigerator with ice making and refrigerating function, ice storage unit and conventional operating mode base main chiller, double
Operating mode refrigerator, can only be with iceman when configuring the parts such as compressor, heat exchanger in order to be applicable two kinds of operating modes of ice making and refrigeration
Based on condition, unit operation performance COP (refrigeration efficiency ratio) value during refrigeration is caused to be far below single cooling condition freezing unit；This
Outside, Double-working-condition refrigerator need to be exchanged heat to supply cold water indirectly by heat exchanger and refrigerating medium circulating pump, cause cooling system
COP values of uniting are relatively low, and power consumption is larger, and installed power is high, adds transformation and distribution system capacity, operating cost is higher；In addition, in day
Between cooling when, Double-working-condition refrigerator, ice storage unit and conventional operating mode base main chiller need cooperation, and operational mode is more, control
System complex.
In addition, ice-chilling air conditioning system has diversified forms, wherein coil pipe Internal melt ice-chilling air conditioning system is because of its ice-storage rate
Height, ice-melt cooling temperature stabilization, small investment, control are simple, while the processing of the anti-corrosion and static pressure problem to system is all more simple
Just it is, economical, therefore be widely used in ice-storage air-conditioning.If improved to Internal melt ice-chilling air conditioning system,
Its operational efficiency is improved, energy consumption, simplify control, with good economic benefit and social benefit is reduced.
Thus, to overcome low existing ice-chilling air conditioning system Double-working-condition refrigerator operational efficiency, high energy consumption and system control
Complicated shortcoming is made, in the urgent need to proposing a kind of Internal melt ice-chilling air conditioning system and its operation method, so as to improve existing
There is the operational efficiency of ice-chilling air conditioning system, reduce its energy consumption, and system control is more simple.
The content of the invention
It is an object of the invention to provide a kind of operational efficiency is high, energy consumption is low, control simple Internal melt ice-storage air-conditioning
System, to overcome the shortcoming that low existing ice-chilling air conditioning system operational efficiency, high energy consumption, control are complicated.
Another object of the present invention is to provide a kind of method for controlling above-mentioned Internal melt ice-chilling air conditioning system operation.
In order to solve the above technical problems, the invention provides a kind of Internal melt ice-chilling air conditioning system, it includes cooling water
The circulatory system, cold-storage and let cool system and the air conditioner cold water circulatory system；
The cooling water recirculation system includes cooling tower, either simplex condition ice making freeze machine, refrigeration unit, cooling water pump, first
Valve and the second valve；The either simplex condition ice making freeze machine and the refrigeration unit include be sequentially connected refrigeration compressor,
Condenser, throttling arrangement and evaporator；The cooling tower, the either simplex condition ice making freeze machine condenser and the refrigeration unit are cold
Condenser is in turn connected to form loop, wherein, the either simplex condition ice making freeze machine condenser and the refrigeration unit condenser are in parallel；
The cooling water pump is arranged on the house steward being connected with the cooling tower；First valve and second valve are set respectively
In with being in charge of that the either simplex condition ice making freeze machine condenser, the refrigeration unit condenser are connected；
The cold accumulation system includes either simplex condition ice making freeze machine evaporator, the refrigerating medium circulating pump for being in turn connected to form loop
And Ice Storage Tank, in addition to it is arranged at the 3rd valve at the either simplex condition ice making freeze machine evaporator；The system that lets cool includes
The heat exchanger, refrigerating medium circulating pump and Ice Storage Tank in loop are in turn connected to form, in addition to is arranged at the heat exchanger
4th valve；Wherein, the refrigerating medium circulating pump is arranged at the Ice Storage Tank porch；
The air conditioner cold water circulatory system includes being in turn connected to form the end-equipment, refrigeration unit evaporator and heat in loop
Exchanger, wherein, the refrigeration unit evaporator and the heat exchanger are in parallel；And also include being arranged at the heat exchanger
The 5th valve, the 6th valve at the refrigeration unit evaporator and the refrigeration unit evaporator with the heat exchanger simultaneously
Chilled water pump after connection on house steward.
In addition, present invention also offers a kind of method for controlling above-mentioned Internal melt ice-chilling air conditioning system operation, its feature
It is：Open the cooling tower, the cooling water pump, first valve, the either simplex condition ice making freeze machine, the 3rd valve
Door and the refrigerating medium circulating pump, and close second valve, the refrigeration unit, the end-equipment, the chilled water
Pump, the 4th valve, the 5th valve and the 6th valve, to run independent cold storage of ice making operating mode.
Or, open the cooling tower, the cooling water pump, first valve, the either simplex condition ice making freeze machine, institute
State the 3rd valve, the refrigerating medium circulating pump, the end-equipment, the chilled water pump, the refrigeration unit, second valve
Door and the 6th valve, and the 4th valve and the 5th valve are closed, to run cold storage of ice making and cooling operating mode.
Or, the unlatching cooling tower, the cooling water pump, second valve, the refrigeration unit, the end are set
Standby, described chilled water pump, the 4th valve, the refrigerating medium circulating pump, the 5th valve and the 6th valve, and close
First valve, the either simplex condition ice making freeze machine and the 3rd valve are closed, combines confession with refrigeration to run cool thermal discharge
Cold operating mode.
Or, open the end-equipment, the chilled water pump, the 5th valve, the 4th valve and the load
Refrigerant cycle pump, and close the cooling tower, the cooling water pump, first valve, the either simplex condition ice making freeze machine, institute
The 3rd valve, second valve, the 6th valve and the refrigeration unit are stated, to run independent cool thermal discharge operating mode.
Or, open the cooling tower, the cooling water pump, the end-equipment, the chilled water pump, the refrigeration machine
Group, second valve and the 6th valve, and close first valve, the either simplex condition ice making freeze machine, described
Three valves, the refrigerating medium circulating pump, the 4th valve and the 5th valve, to run the independent cooling work of refrigeration unit
Condition.
For the further improvement of above-mentioned Internal melt ice-chilling air conditioning system, the refrigerating medium circulating pump is both charge cycle
Pump, is to let cool circulating pump again.
Further, the cooling water pump and the chilled water pump are circulating pump.
Further, when the cooling water pump is two, it is respectively arranged at condenses with the either simplex condition ice making freeze machine
What device, the refrigeration unit condenser were connected is in charge of.
Further, it is respectively arranged at and being in charge of that the refrigeration unit evaporator, the heat exchanger are connected.
In summary, the present invention is provided a kind of Internal melt ice-chilling air conditioning system and its operation method, have with following
Beneficial effect：
First, the either simplex condition ice making freeze machine only bears night cold storage of ice making, and the refrigeration unit of efficiency high and institute
State Ice Storage Tank and be responsible for cooling in the daytime, improve the COP values of ice-storage system cooling, reduce the electrical power of matching somebody with somebody of refrigeration system, section
The about investment of transformation and distribution system, reduces operation energy consumption and expense；
Secondly, the either simplex condition ice making freeze machine and the Ice Storage Tank are only responsible for night cold storage of ice making, and the institute of efficiency high
State refrigeration unit and the Ice Storage Tank and be responsible for cooling in the daytime, overcome existing ice-chilling air conditioning system Double-working-condition refrigerator with
Need to take into account ice making operating mode and the shortcoming of cooling condition when putting compressor, heat exchanger and other component, improve ice making freeze machine
COP values；
In addition, the Ice Storage Tank and the refrigeration unit are responsible for cooling in the daytime, existing ice-chilling air conditioning system is overcome
In the daytime the shortcoming of Double-working-condition refrigerator, Ice Storage Tank and conventional refrigerant unit cooperation cooling is needed during cooling, refrigeration system is reduced
The energy consumption of system, and operational outfit and pattern reduction, control become simpler.
Brief description of the drawings
Fig. 1 is the Internal melt ice-chilling air conditioning system overall structure diagram of the embodiment of the present invention；
Fig. 2 is the cooling water recirculation system structural representation of Internal melt ice-chilling air conditioning system shown in Fig. 1；
Fig. 3 is the cold accumulation system of Internal melt ice-chilling air conditioning system shown in Fig. 1 and lets cool system structure diagram；
Fig. 4 is the air conditioner cold water circulating system structure schematic diagram of Internal melt ice-chilling air conditioning system shown in Fig. 1；
Fig. 5 is the Internal melt ice-chilling air conditioning system overall structure diagram of the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments to Internal melt ice-chilling air conditioning system proposed by the present invention and its operation side
Method is described in further detail.According to following explanation and claims, advantages and features of the invention will become apparent from.Need explanation
, accompanying drawing uses very simplified form and uses non-accurately ratio, only conveniently, lucidly to aid in illustrating originally
The purpose of inventive embodiments.
Fig. 1 to Fig. 5 is embodiments of the invention, referring initially to Fig. 1.As shown in figure 1, the Internal melt ice that the present invention is provided
Chilling air conditioning system, including cooling water recirculation system 100, cold accumulation system 200, let cool system 300 and the air conditioner cold water circulatory system
400。
Referring next to Fig. 2, Fig. 2 is the knot of the cooling water recirculation system 100 of Internal melt ice-chilling air conditioning system shown in Fig. 1
Structure, it includes cooling water pipe 101, cooling tower 102, either simplex condition ice making freeze machine 103, refrigeration unit 104, cooling water pump P12,
One valve V1 and the second valve V2, wherein, either simplex condition ice making freeze machine 103 includes the refrigeration compressor for being in turn connected to form loop
103-1, condenser 103-2, throttling arrangement 103-3 and evaporator 103-4, accordingly, refrigeration unit 104 include being sequentially connected shape
Into the refrigeration compressor 104-1 in loop, condenser 104-2, throttling arrangement 104-3 and evaporator 104-4.Need exist for explanation
It is that, due to 103 responsible night cold storage of ice making of either simplex condition ice making freeze machine, therefore, configuration and the refrigeration unit 104 of its part have
Institute is different so that either simplex condition ice making freeze machine 103 is only applicable to ice making operating mode, thus, and system power power is reduced, and becomes power distribution system
System investment is reduced.
As shown in Fig. 2 the cooling water pipe 101 exports cooling tower 102, the condenser of either simplex condition ice making freeze machine 103
103-2 entrances and the connection of the condenser 104-2 entrances of refrigeration unit 104, and by the entrance of cooling tower 102, either simplex condition ice making freeze
The condenser 103-2 outlets of machine 103 and the condenser 104-2 outlets connection of refrigeration unit 104, wherein, condenser 103-2 and cold
Condenser 104-2 is in parallel；Meanwhile, cooling water pump P12 is arranged on the house steward for the cooling water pipe 101 being connected with cooling tower 102, or
Can be as shown in figure 5, cooling water pump P1, P2 to be respectively arranged to the cooling water pipe being connected with condenser 103-2, condenser 104-2
101 are in charge of, to ensure when cooling water pump P1 or P2 maintenance, system still can normal operation, certainly, cooling water pump P1 or P2 are also
Can be in parallel multiple as standby again；In addition, by the first valve V1 and the second valve V2 be respectively arranged at condenser 103-2,
The cooling water pipes 101 of condenser 104-2 connections is in charge of.
Further, as described in figures 1 and 5, either simplex condition ice making freeze machine 103 and refrigeration unit 104 share 1 cooling tower
102, to save controller switching equipment, reduce operating cost.
In the present embodiment, the workflow of cooling water recirculation system 100 shown in Fig. 2 is：Open the first valve V1 and second
Valve V2, the cooling water that cooling tower 102 is produced is delivered to the condenser of either simplex condition ice making freeze machine 103 by cooling water pump P12
103-2 and refrigeration unit 104 condenser 104-2, return to cooling tower 102 after cooling water heat absorption heating and carry out radiating and cooling, this
Place, the heat-sinking capability of cooling tower 102 is determined according to the refrigerating capacity of refrigeration unit 104.
Referring next to Fig. 3, Fig. 3 is the cold accumulation system 200 of Internal melt ice-chilling air conditioning system shown in Fig. 1 and lets cool system
300 structure.Wherein, cold accumulation system 200 includes the either simplex condition ice making freeze that loop is in turn connected to form by cold-storage pipeline 201
Machine evaporator 103-4, refrigerating medium circulating pump P3 and Ice Storage Tank 202, and further comprise being arranged at evaporator 103-4
Three valve V3；In addition, letting cool system 300 includes being in turn connected to form the heat exchanger 302 in loop by letting cool pipeline 301, carries
Refrigerant cycle pump P3 and Ice Storage Tank 202, and further comprise being arranged at the 4th valve V4 at heat exchanger 302；Wherein, refrigerating
Agent circulating pump P3 is arranged at the porch of Ice Storage Tank 202.Herein, the present invention does not limit the coil arrangement of Ice Storage Tank 202, Ke Yigen
According to needing to be selected.In addition, refrigerating medium of the present invention is preferably selected glycol water, or others in coil pipe ice
The refrigerating medium used in chilling air conditioning system, to ensure the operation of system safety.
In the present embodiment, the workflow of cold accumulation system 200 shown in Fig. 3 is：The 3rd valve V3 is opened, and closes the 4th valve
Door V4, after refrigerating medium is cooled by the evaporator 103-4 of either simplex condition ice making freeze machine 103, is delivered to by refrigerating medium circulating pump P3
Ice Storage Tank 202 is absorbed heat, and the evaporator 103-4 of either simplex condition ice making freeze machine 103 is back to after heating, is followed so as to complete cold storage of ice making
Ring；It is shown let cool system 300 workflow be：The 4th valve V4 is opened, and closes the 3rd valve V3, refrigerating medium is handed over by heat
After the heat absorption heating of parallel operation 302, the heat release of Ice Storage Tank 202 cooling is delivered to by refrigerating medium circulating pump P3, then is back to heat exchanger 302 and is inhaled
Heat, so as to complete cool thermal discharge circulation.
Referring next to Fig. 4, Fig. 4 is the knot of the air conditioner cold water circulatory system 400 of Internal melt ice-chilling air conditioning system shown in Fig. 1
Structure, it includes chilled water pipe 401, end-equipment 402, heat exchanger 302 and refrigeration unit 104, further comprises being arranged at heat
The 6th valve V6 at the 5th valve V5 and the evaporator 104-4 of refrigeration unit 104 at exchanger 302；Wherein, the chilled water
Pipe 401 exports end-equipment 402, the connection of the evaporator 104-4 entrances of the entrance of heat exchanger 302 and refrigeration unit 104, and will
The entrance of end-equipment 402, heat exchanger 302 are exported and the evaporator 104-4 of refrigeration unit 104 outlets connection, meanwhile, refrigeration unit
104 evaporator 104-4 and heat exchanger 302 is in parallel；In addition, the air conditioner cold water circulatory system 400 also includes being arranged at refrigeration machine
Chilled water pump P45 after 104 evaporator 104-4 of group are in parallel with heat exchanger 302 on the house steward of chilled water pipe 401, or can be such as Fig. 5
It is shown, chilled water pump P4, P5 are respectively arranged to the freezing being connected with the evaporator 104-4 of refrigeration unit 104, heat exchanger 302
Water pipe 401 is in charge of, when can so ensure cold dynamic water pump P 4 or P5 maintenance, system still can normal operation, certainly, chilled water pump
P4, P5 can also be in parallel multiple as standby again.
In the present embodiment, the workflow of the air conditioner cold water circulatory system shown in Fig. 4 400 is：Open the 5th valve V5 and
Cold water prepared by six valve V6, refrigeration unit 104 and heat exchanger 302, end-equipment 402 is delivered to by chilled water pump P45, is inhaled
The evaporator 104-4 of refrigeration unit 104 and heat exchanger 302 are back to after heat heating.
Further, in order to overcome the pressure drop of the circulatory system, cooling water pump P12 and chilled water pump P45 shown in Fig. 1,
Or cooling water pump P1, P2 and chilled water pump P4, P5 shown in Fig. 5 are circulating pump；Wherein, in order to save energy consumption, all circulations
Pump can also use VFC.In addition, refrigerating medium circulating pump P3 is as charge cycle pump and circulating pump is let cool, it can so simplify and be
The investment matched somebody with somebody electrical power, save transformation and distribution system of system control, further reduction refrigeration system.In addition, valve of the present invention
The optional electric two-way valve of door, because its good reliability, easy for installation and economy.
Here, based on Internal melt ice-chilling air conditioning system shown in Fig. 1 and Fig. 5, the present invention has independent cold storage of ice making, ice making
Cold-storage and the cooling of refrigeration unit 104, cool thermal discharge and the air conditioning of refrigeration unit 104, independent cool thermal discharge and refrigeration unit 104
Five kinds of operational modes of independent cooling, now by taking Internal melt ice-chilling air conditioning system shown in Fig. 1 as an example, respectively to this five kinds of operational modes
Illustrate.
Under independent cold storage of ice making pattern, cooling tower 102, cooling water pump P12, the first valve V1, either simplex condition ice making are opened
Refrigerator 103, the 3rd valve V3 and refrigerating medium circulating pump P3, and close the second valve V2, refrigeration unit 104, end-equipment
402nd, chilled water pump P45, the 4th valve V4, the 5th valve V5 and the 6th valve V6.In this mode, cooling water pump P12 will be cold
But water is delivered to the condenser 103-2 of either simplex condition ice making freeze machine 103, and delivering to cooling tower 102 after cooling water heat absorption heating is carried out
Cooling, forms cooling water circulation, and refrigerating medium is delivered to Ice Storage Tank 202 and carries out cold storage of ice making, refrigerating medium liter by refrigerating medium circulating pump P3
The evaporator 103-4 that either simplex condition ice making freeze machine 103 is delivered to after temperature is cooled, and forms a cold storage of ice making circulation.
Under cold storage of ice making and the cooling mode of refrigeration unit 104, cooling tower 102, cooling water pump P12, the first valve are opened
V1, either simplex condition ice making freeze machine 103, the 3rd valve V3, refrigerating medium circulating pump P3, end-equipment 402, chilled water pump P45, the 6th
Valve V6, the valve V2 of refrigeration unit 104 and second, and close the 4th valve V4 and the 5th valve V5.Under cold storage of ice making pattern,
Cooling water is delivered to the condenser 103-2 of either simplex condition ice making freeze machine 103 by cooling water pump P12, is sent after cooling water heat absorption heating
Cooled to cooling tower 102, cooling water circulation is formed, while low temperature refrigerating medium is delivered to Ice Storage Tank by refrigerating medium circulating pump P3
202 carry out cold storage of ice making, and the evaporator 103-4 that either simplex condition ice making freeze machine 103 is delivered to after refrigerating medium heating is cooled, formed
One cold storage of ice making circulation；Under refrigeration unit cooling mode, cooling water is delivered to refrigeration unit 104 by cooling water pump P12
Condenser 104-2, delivers to the progress cooling of cooling tower 102 and forms cooling water circulation after cooling water heat absorption heating, at the same time, freezing
Water pump P 45 is cooled the evaporator 104-4 that chilled water delivers to refrigeration unit 104, then delivers to the cooling of end-equipment 402, shape
Into the circulation of air-conditioning cooling.
Under cool thermal discharge and the air conditioning pattern of refrigeration unit 104, cooling tower 102, cooling water pump P12, second are opened
Valve V2, refrigeration unit 104, end-equipment 402, chilled water pump P45, the 4th valve V4, the 5th valve V5, the 6th valve V6 and
Refrigerating medium circulating pump P3, and close the first valve V1, either simplex condition ice making freeze machine 103 and the 3rd valve V3.In cool thermal discharge mould
Under formula, refrigerating medium is delivered to Ice Storage Tank 202 and carries out cooling by refrigerating medium circulating pump P3 to be let cool, then is delivered to heat exchanger 302 and changed
Heat heating, forms a cool thermal discharge circulation；Accordingly, under refrigeration unit cooling mode, cooling water pump P12 is defeated by cooling water
The condenser 104-2 of refrigeration unit 104 is delivered to, delivering to cooling tower 102 after cooling water heat absorption heating is cooled, and forms cooling water
Circulation, accordingly, chilled water pump P45 is cooled the evaporator 104-4 that chilled water delivers to refrigeration unit 104, then delivers to end
The cooling of end equipment 402, forms the circulation of air-conditioning cooling.
Under independent cool thermal discharge pattern, end-equipment 402, chilled water pump P45, the 4th valve V4, the 5th valve are opened
V5 and refrigerating medium circulating pump P3, and close cooling tower 102, cooling water pump P12, the first valve V1, either simplex condition ice making freeze machine
103rd, the 3rd valve V3, the second valve V2, the 6th valve V6 and refrigeration unit 104.In this mode, refrigerating medium circulating pump P3 will
Refrigerating medium is delivered to the progress cooling of Ice Storage Tank 202 and let cool, then delivers to the progress heat exchange heating of heat exchanger 302, forms an ice-melt and puts
SAPMAC method, meanwhile, air conditioning water is delivered to heat exchanger 302 and carries out heat exchange cooling by chilled water pump P45, then delivers to end-equipment
402 coolings, form cool thermal discharge circulation.
Under the independent cooling mode of refrigeration unit 104, cooling tower 102 is opened, cooling water pump P12, end-equipment 402, cold
Freeze water pump P 45, refrigeration unit 104, the 6th valve V6 and the second valve V2, and close the first valve V1, either simplex condition ice making freeze
Machine 103, the 3rd valve V3, refrigerating medium circulating pump P3, the 4th valve V4 and the 5th valve V5.In this mode, cooling water pump P12
Cooling water is delivered to the condenser 104-2 of refrigeration unit 104, delivering to cooling tower 102 after cooling water heat absorption heating is cooled,
Form cooling water circulation；Meanwhile, chilled water pump P45 is cooled the evaporator 104-4 that chilled water delivers to refrigeration unit 104,
The cooling of end-equipment 402 is delivered to again, forms the circulation of air-conditioning cooling.
In summary, the present invention is provided a kind of Internal melt ice-chilling air conditioning system and its operation method：Due to either simplex condition
The negative night cold storage of ice making of 103, ice making freeze machine, and the refrigeration unit 104 of efficiency high and Ice Storage Tank 202 are responsible for cooling in the daytime, carry
The high COP values of ice-storage system cooling, reduce refrigeration system with electrical power, saved the investment of transformation and distribution system；This
Outside, instant invention overcomes existing ice-chilling air conditioning system Double-working-condition ice making freeze machine in portions such as configuration compressor, heat exchangers
Need to take into account ice making operating mode and the shortcoming of cooling condition during part, improve the COP values of ice making freeze machine；In addition, the present invention also gram
Taken existing ice-chilling air conditioning system in the daytime cooling when need Double-working-condition refrigerator, Ice Storage Tank and conventional refrigerant unit cooperation
The shortcoming of cooling, reduces the energy consumption of refrigeration system, and operational outfit and pattern are reduced, and control becomes simpler.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Scope.
Claims (10)
1. a kind of Internal melt ice-chilling air conditioning system, it is characterised in that：Including cooling water recirculation system, cold-storage and let cool system and
The air conditioner cold water circulatory system；
The cooling water recirculation system includes cooling tower, either simplex condition ice making freeze machine, refrigeration unit, cooling water pump, the first valve
With the second valve；The either simplex condition ice making freeze machine and the refrigeration unit include refrigeration compressor, the condensation being sequentially connected
Device, throttling arrangement and evaporator；The cooling tower, the either simplex condition ice making freeze machine condenser and the refrigeration unit condenser
Loop is in turn connected to form, wherein, the either simplex condition ice making freeze machine condenser and the refrigeration unit condenser are in parallel；It is described
Cooling water pump is arranged on the house steward being connected with the cooling tower；First valve and second valve be respectively arranged at
What the either simplex condition ice making freeze machine condenser, the refrigeration unit condenser were connected is in charge of；
The cold accumulation system includes either simplex condition ice making freeze machine evaporator, refrigerating medium circulating pump and the storage for being in turn connected to form loop
Ice bank, in addition to it is arranged at the 3rd valve at the either simplex condition ice making freeze machine evaporator；The system that lets cool is included successively
Connection forms the heat exchanger, refrigerating medium circulating pump and Ice Storage Tank in loop, in addition to be arranged at the heat exchanger the 4th
Valve；Wherein, the refrigerating medium circulating pump is arranged at the Ice Storage Tank porch；
The air conditioner cold water circulatory system includes being in turn connected to form the end-equipment, refrigeration unit evaporator and heat exchange in loop
Device, wherein, the refrigeration unit evaporator and the heat exchanger are in parallel, and also include being arranged at the at the heat exchanger
After the 6th valve and the refrigeration unit evaporator at five valves, the refrigeration unit evaporator are in parallel with the heat exchanger
Chilled water pump on house steward；
Wherein, the either simplex condition ice making freeze machine is applied to ice making operating mode, and the refrigeration unit is applied to cooling condition.
2. Internal melt ice-chilling air conditioning system as claimed in claim 1, it is characterised in that：The refrigerating medium circulating pump is both to store
SAPMAC method pump, is to let cool circulating pump again.
3. Internal melt ice-chilling air conditioning system as claimed in claim 1, it is characterised in that：The cooling water pump and the freezing
Water pump is circulating pump.
4. Internal melt ice-chilling air conditioning system as claimed in claim 1, it is characterised in that：When the cooling water pump is two,
It is respectively arranged at and being in charge of that the either simplex condition ice making freeze machine condenser, the refrigeration unit condenser are connected.
5. Internal melt ice-chilling air conditioning system as claimed in claim 1, it is characterised in that：When the chilled water pump is two,
It is respectively arranged at and being in charge of that the refrigeration unit evaporator, the heat exchanger are connected.
6. a kind of method for controlling Internal melt ice-chilling air conditioning system operation as claimed in claim 1, it is characterised in that：Open
The cooling tower, the cooling water pump, first valve, the either simplex condition ice making freeze machine, the 3rd valve and described
Refrigerating medium circulating pump, and close second valve, the refrigeration unit, the end-equipment, the chilled water pump, described
Four valves, the 5th valve and the 6th valve, to run independent cold storage of ice making operating mode.
7. a kind of method for controlling Internal melt ice-chilling air conditioning system operation as claimed in claim 1, it is characterised in that：Open
The cooling tower, the cooling water pump, first valve, the either simplex condition ice making freeze machine, the 3rd valve, the load
Refrigerant cycle pump, the end-equipment, the chilled water pump, the refrigeration unit, second valve and the 6th valve,
And the 4th valve and the 5th valve are closed, to run cold storage of ice making and cooling operating mode.
8. a kind of method for controlling Internal melt ice-chilling air conditioning system operation as claimed in claim 1, it is characterised in that：Open
The cooling tower, the cooling water pump, second valve, the refrigeration unit, the end-equipment, the chilled water pump,
4th valve, the refrigerating medium circulating pump, the 5th valve and the 6th valve, and close first valve,
The either simplex condition ice making freeze machine and the 3rd valve, to run cool thermal discharge and refrigeration air conditioning operating mode.
9. a kind of method for controlling Internal melt ice-chilling air conditioning system operation as claimed in claim 1, it is characterised in that：Open
The end-equipment, the chilled water pump, the 5th valve, the 4th valve and the refrigerating medium circulating pump, and close
The cooling tower, the cooling water pump, first valve, the either simplex condition ice making freeze machine, the 3rd valve, described
Six valves, second valve and the refrigeration unit, to run independent cool thermal discharge operating mode.
10. a kind of method for controlling Internal melt ice-chilling air conditioning system operation as claimed in claim 1, it is characterised in that：Open
Open the cooling tower, the cooling water pump, the end-equipment, the chilled water pump, second valve, the 6th valve
With the refrigeration unit, and first valve, the either simplex condition ice making freeze machine, the 3rd valve, the described 4th are closed
Valve, the 5th valve and the refrigerating medium circulating pump, to run the independent cooling operating mode of refrigeration unit.
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| CN201510019333.3A CN104613577B (en) | 2015-01-15 | 2015-01-15 | Internal melt ice-chilling air conditioning system and its operation method |
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| CN105135725B (en) * | 2015-09-22 | 2017-08-25 | 云南智谷新能源技术开发有限公司 | A kind of single compressor the two-stage dynamic refrigeration and cold accumulation air-conditioning system and its refrigerating method |
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| CN106123447A (en) * | 2016-08-15 | 2016-11-16 | 上海瀛利环境科技有限公司 | A kind of ice cold energy storage conversion equipment |
| CN107062482B (en) * | 2017-04-18 | 2019-08-09 | 深圳佩尔优科技有限公司 | A kind of air-conditioning system and its control method |
| CN107202377A (en) * | 2017-05-19 | 2017-09-26 | 海南佩尔优科技有限公司 | Energy-storage air conditioner system and its control method |
| CN107120764B (en) * | 2017-06-20 | 2022-11-01 | 天津城建大学 | Ice storage air conditioning system and optimization method of control method thereof |
| CN107401862B (en) * | 2017-09-16 | 2022-11-22 | 邵阳学院 | Cold accumulation type condensation efficient central air-conditioning refrigeration system |
| CN109458866A (en) * | 2018-09-26 | 2019-03-12 | 重庆蜀东天益空气冷却器有限公司 | A kind of natural cold-energy acquisition storage device |
| CN110081537B (en) * | 2019-03-20 | 2021-06-15 | 深圳市成大机电科技有限公司 | Control method for ice melting and cold supply |
| CN111664524B (en) * | 2020-05-18 | 2022-05-13 | 华为数字能源技术有限公司 | Cooling system and cooling method thereof |
| CN112393341A (en) * | 2020-11-13 | 2021-02-23 | 珠海格力电器股份有限公司 | Ice storage control method and device, air conditioning system, storage medium and processor |
| CN112665049A (en) * | 2020-12-28 | 2021-04-16 | 无锡市工业设备安装有限公司 | Novel efficient chilled water storage operation method |
| CN115839524A (en) * | 2022-11-28 | 2023-03-24 | 广东禹铎环境技术发展有限公司 | Air conditioning system with dynamic ice storage function and control method thereof |
| CN117287862B (en) * | 2023-11-27 | 2024-02-13 | 佛山市宏成新材料科技有限公司 | Vegetable cold chain ice making system and ice making process |
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