CN110186131B - Efficient ice storage system method - Google Patents
Efficient ice storage system method Download PDFInfo
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- CN110186131B CN110186131B CN201910493825.4A CN201910493825A CN110186131B CN 110186131 B CN110186131 B CN 110186131B CN 201910493825 A CN201910493825 A CN 201910493825A CN 110186131 B CN110186131 B CN 110186131B
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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
- 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 discloses a high-efficiency ice storage system method, which specifically comprises the following steps: the invention relates to the technical field of air conditioning and ice storage, in particular to a combined cooling working condition of S1, a combined cooling working condition of a conventional air conditioning refrigeration and ice making unit, an ice storage working condition of S2, an independent ice storage working condition of the conventional air conditioning refrigeration and ice making unit, an independent cooling working condition of S3, an independent ice storage working condition of the ice making unit, an independent cooling working condition of S4 and an ice storage device and a combined cooling working condition of S5, the conventional air conditioning refrigeration and ice storage device. The efficient ice storage system method is characterized in that an auxiliary device is added to help an ice making coil to make ice and remove ice more easily, frozen water is used for transferring heat to a refrigerant or an ethylene glycol solution through a plate to achieve ice removal, cold released by the ice making coil during ice removal is directly absorbed by the frozen water, no waste is caused in air conditioner refrigeration cold, ice removal is not needed by additionally adding a heat source during ice removal, the ice making machine always works in an ice making state, conversion is not needed, the ice making quantity is large, the ice storage capacity is high, the unit volume cold storage density of the ice storage device is large, and the cold released during ice removal can be stored as required.
Description
Technical Field
The invention relates to the technical field of ice storage of air conditioners, in particular to a high-efficiency ice storage system method.
Background
The ice storage technology of the air conditioner is that in the electricity utilization valley period at night when the electric load is very low, an electric refrigerator is adopted for refrigeration, so that the cold storage medium is frozen, and the sensible heat and latent heat characteristics of the cold storage medium are utilized to store cold. In the daytime with higher electric load, namely during the peak period of electricity utilization, the ice storage medium is melted and the stored cold energy is released to meet the requirements of air conditioning or production process of buildings, the ice storage system generally comprises a refrigeration system, a cold storage system and a cold supply system, the refrigeration system and the cold storage system are formed by connecting four parts of refrigeration equipment, a cold storage device, auxiliary equipment and control and regulation equipment through pipelines and leads (including control leads, power cables and the like), water or ethylene glycol aqueous solution is generally used as a secondary refrigerant and can be used for conventional refrigeration and also can operate under the working condition of cold storage to remove heat (sensible heat and latent heat) from the cold storage medium, when cold supply is needed, the refrigeration equipment can be used for independent refrigeration and cold supply, or the ice storage device can be used for independent cold release and cold supply, or the ice storage device and the cold supply are combined, according to the difference of ice making modes, the ice storage can be divided into two categories of static ice, in addition, some special ice making and icing modes are provided, the ice is in a relatively static state all the time, the ice making modes comprise various specific modes such as an ice coil type mode and a packaging type mode, ice crystals and ice slurry are generated in the dynamic ice making mode in the ice making process, the dynamic ice making mode is in a motion state, and each specific ice making mode has the characteristics and the applicable occasions of the specific ice making mode.
At present, no ice storage and cold accumulation mode of ice making and then ice removing by using an ice coil pipe is adopted in the ice storage industry, and ice making and ice removing by using heat source ice removing or ice making machine alternative work are adopted in other industries, so that the ice removing mode can additionally increase energy consumption, the ice making machine is low in energy efficiency, the ice making coil pipe is low in efficiency, the ice storage coil pipe of the current ice storage device occupies a large amount of ice storage volume, the ice storage amount is small, the cold release efficiency is low, the initial investment is large, and the phenomenon of ten thousand years of ice solidification exists.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-efficiency ice storage system method, which solves the problems that the existing ice removal mode can additionally increase energy consumption, the energy efficiency of an ice maker is low, the efficiency of an ice making coil pipe is low, the using amount of the ice storage coil pipe of the current ice storage device is large, a large amount of ice storage volume is occupied, the ice storage amount is small, the cold release efficiency is low, the initial investment is large, and ten thousand years of ice is not changed.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for a high-efficiency ice storage system specifically comprises the following steps:
s1, the combined cooling working condition of the conventional air-conditioning refrigeration and ice-making machine set: firstly, a conventional air conditioner is operated, an ice making unit is systematically opened, glycol solution flows through an electric valve V4 through a pipeline and then flows through the glycol ice making unit through the pipeline, the cooled glycol solution flows through a glycol circulating pump through the pipeline, then flows through an electric valve V3 through the pipeline, then flows through a glycol deicing plate through the pipeline for replacement, the heated glycol solution flows through an electric valve V4 through the pipeline, the steps are repeated in sequence, and the glycol deicing plate is replaced as a cold energy transfer device to continuously supply cold to the tail end in the whole refrigeration process;
s2, the ice storage working condition of the conventional air-conditioning refrigeration and ice making unit: the method comprises the steps that a conventional air conditioner is operated, an ethylene glycol ice making system is started, an ice making coil 1 and an ice making coil 2 alternately operate to make ice and remove ice, electric valves V5 and V6 are opened under the working conditions that the ice making coil 1 makes ice and the ice making coil 2 removes ice, V11 and V12 are closed, electric valves V9 and V10 are opened, V7 and V8 are closed, electric valves V5 and V6 are closed under the working conditions that the ice making coil 1 removes ice and the ice making coil 2 makes ice, V11 and V12 are opened, electric valves V9 and V10 are closed, and V7 and V8 are opened;
s3, independent ice storage working condition of the ice maker set: the conventional air conditioner is closed, the ethylene glycol ice making system is opened, the ice making coil 1 and the ice making coil 2 alternately run to make ice and remove ice, the electric valves V5 and V6 are opened under the working conditions of ice making of the ice making coil 1 and ice removal of the ice making coil 2, the electric valves V11 and V12 are closed, the electric valves V9 and V10 are opened, the V7 and V8 are closed, the electric valves V5 and V6 are closed under the working conditions of ice removal of the ice making coil 1 and ice making of the ice making coil 2, the electric valves V11 and V12 are opened, the electric valves V9 and V10 are closed, and the V7 and V8 are opened;
s4, independent cooling working condition of the ice storage device: chilled water in the ice storage device flows through a cold water supply pump of the ice storage device through a pipeline, flows through a cold plate supply device through the pipeline for exchanging, the chilled water after being heated flows into the ice storage device through the pipeline for realizing cold supply in sequence and repeatedly, and the cold plate supply device is used as a cold quantity transmission device for continuously supplying cold to the tail end in the whole cold supply process;
s5, the conventional air conditioner and the ice storage device are combined to supply cold working conditions: make conventional air conditioner open earlier, the refrigerated water in the ice storage device supplies the cold water pump through the ice storage device of pipeline flow through simultaneously, and the refrigerated water after the intensification flows to the ice storage device in through the pipeline, and the realization is jointly cooled repeatedly in proper order in, supplies the cold drawing to trade as cold volume transmission device to terminal constantly cooling at whole cold supply in-process.
Preferably, the ice making process of the ice making coil 1 in steps S2 and S3 includes: ethylene glycol solution passes through the ethylene glycol ice-making system group of pipeline flow through, and the ethylene glycol solution after the cooling passes through the ethylene glycol circulating pump of pipeline flow through, through pipeline flow through motorised valve V6, through pipeline flow through ice-making coil pipe 1 ice-making, through pipeline flow through motorised valve V5, and the rethread pipeline flow through ethylene glycol ice-making system group, repeated realization ice-making in proper order.
Preferably, the ice making process of the ice making coil 2 in steps S2 and S3 includes: ethylene glycol solution passes through the ethylene glycol ice-making system group of pipeline flow through, and the ethylene glycol solution after the cooling passes through the ethylene glycol circulating pump of pipeline flow through, through pipeline flow through motorised valve V8, through the ice-making coil pipe 2 ice-making of pipeline flow through, through motorised valve V7 of pipeline flow through, and the rethread pipeline flow through ethylene glycol ice-making system group, repeated realization ice-making in proper order.
Preferably, the deicing process of the ice making coil 1 in steps S2 and S3 is as follows: the ethylene glycol solution flows through the deicing plate through the pipeline and is changed, the ethylene glycol solution after heating flows through the deicing device through the pipeline, flows through the electric valve V11 through the pipeline, flows through the deicing coil pipe 1 through the pipeline and is deiced, flows through the electric valve V12 through the pipeline, flows through the ethylene glycol deicing pump through the pipeline, flows through the deicing plate through the pipeline and is changed, and deicing is repeatedly realized in sequence.
Preferably, the deicing process of the ice making coil 2 in the steps S2 and S3 is as follows: the ethylene glycol solution flows through the deicing plate through the pipeline and is changed, the ethylene glycol solution after heating flows through the deicing device through the pipeline, flows through the electric valve V9 through the pipeline, flows through the ice making coil pipe 2 through the pipeline and is deiced, flows through the electric valve V10 through the pipeline, flows through the ethylene glycol deicing pump through the pipeline, flows through the deicing plate through the pipeline and is changed, and deicing is repeatedly realized in sequence.
Preferably, the ice storage device in steps S4 and S5 is internally provided with an auxiliary device, the auxiliary device disturbs water flow to accelerate water convection to help the ice making coil 1 and the ice making coil 2 to make and release ice quickly, and the auxiliary device may also be arranged outside the ice storage device.
Preferably, the deicing device is additionally installed according to the working conditions that the chilled water of the conventional air conditioner is not circulated and the deicing cold energy needs to be stored, and the deicing device can be cancelled under the working conditions.
Preferably, in step S1, a cooling pump and a cooling tower are respectively communicated with one side of the glycol ice making machine set through a connecting pipeline, and a connecting port of the cooling pump is communicated with a port of the cooling tower through a pipeline.
Preferably, the electric valve V1 is installed in the input pipe for cold plate replacement in step S1, and the electric valve V2 is installed in the input pipe for cold plate replacement in step S4.
Preferably, the glycol solution in step S1 is a cooling medium in the entire ice storage system, and may be replaced with another cooling medium as appropriate.
Preferably, the steps S2 and S3 both use frozen water to exchange heat through the plates to de-ice.
(III) advantageous effects
The invention provides a high-efficiency ice storage system method. Compared with the prior art, the method has the following beneficial effects:
(1) the efficient ice storage system method can help the ice making coil to make and deice ice more easily by using the auxiliary device in the ice storage device, can be placed in and out of the ice storage device, and deice ice by using chilled water, and the cold energy released by the ice making coil during deice is directly absorbed and utilized by the chilled water without waste.
(2) According to the efficient ice storage system method, the ice removing device is used in the whole ice storage system, so that the cold energy released during ice removing can be stored, the cold energy is released when the electricity price is high, the ice removing cold energy is not considered for storage, ice removing can be carried out by utilizing the freezing water and the plate, the ice removing cold energy is directly absorbed by the freezing water, the ice removing device is not needed, and the initial investment cost is saved.
(3) According to the efficient ice storage system method, the low-temperature medium and the frozen water are used for storing ice, the ice making coil pipe and the ice are placed in the same container, after the ice storage is finished, the ice water is mixed at the upper part of the ice storage device, and the water is filled at the bottom of the ice storage device, so that the ice melting speed can be greatly increased, the ice storage and ice melting efficiency is high, the ice storage amount per unit volume is large, the energy efficiency of the ice maker is stable, and the thickening energy efficiency of an ice layer is slowly reduced under the ice storage working condition in other.
Drawings
FIG. 1 is a schematic diagram of a high efficiency ice storage system of the present invention;
FIG. 2 is a schematic view of an ice storage system according to embodiment 2 of the present invention;
FIG. 3 is a schematic view of an ice storage system according to embodiment 3 of the present invention;
FIG. 4 is a schematic view of an ice storage system according to embodiment 4 of the present invention;
FIG. 5 is a flow chart of the present invention;
FIG. 6 is a schematic diagram of the water supply to the cooling tower of an air conditioner in accordance with one aspect of the ice storage system of the present invention;
FIG. 7 is a schematic diagram of an ice storage and cooling schematic diagram of an air conditioner in an actual application scenario of the ice storage system of the present invention.
In the figure, a1 electric valve V1, a2 electric valve V2, a3 electric valve V3, a 4 electric valve V4, a 5 electric valve V5, a 6 electric valve V6, a 7 electric valve V7, an 8 electric valve V8, a 9 electric valve V9, a 10 electric valve V10, an 11 electric valve V11, a 12 electric valve V12, a 13 ethylene glycol circulating pump, a 14 ethylene glycol ice making unit, a 15 cooling pump, a 16 cooling tower, a 17 ice removing device, an 18 ethylene glycol ice removing pump, a 19 cold water supply pump, a 20 ice removing plate changing, a 21 cold plate changing, a 22 ice storage device, and 23 ice making trays 1, 24 ice making trays 2 and 25 as auxiliary devices.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the embodiment of the present invention provides four technical solutions: the method for the efficient ice storage system specifically comprises the following embodiments:
example 1
When the ice storage device of the high-efficiency ice storage system method is open:
s1, the combined cooling working condition of the conventional air-conditioning refrigeration and ice-making machine set: firstly, a conventional air conditioner is operated, an ice making unit system is opened, glycol solution flows through an electric valve V4(4) through a pipeline, then flows through a glycol ice making unit 14 through the pipeline, the cooled glycol solution flows through a glycol circulating pump 13 through the pipeline, then flows through an electric valve V3(3) through the pipeline, then flows through a glycol deicing plate through the pipeline to exchange the cold energy 20, the heated glycol solution flows through an electric valve V4(4) through the pipeline, the steps are repeated in sequence, and the glycol deicing plate exchange 20 is used as a cold energy transfer device to continuously supply cold energy to the tail end in the whole refrigeration process;
s2, the ice storage working condition of the conventional air-conditioning refrigeration and ice making unit: the conventional air conditioner is operated, the ethylene glycol ice making system is started, the ice making coil 1 (23) and the ice making coil 2 (24) alternately operate to make ice and remove ice, electric valves V5(5) and V6(6) are opened, V11(11) and V12(12) are closed, electric valves V9(9) and V10(10) are opened, V7(7) and V8(8) are closed under the ice making and ice making working conditions of the ice making coil 1 (23), electric valves V5(5) and V6(6) are closed, V11(11) and V12(12) are opened, electric valves V9(9), V10(10) are closed, V7(7) and V8(8) are opened under the ice making and ice making working conditions of the ice making coil 2 (24);
s3, independent ice storage working condition of the ice maker set: the conventional air conditioner is turned off, the glycol ice making system is turned on, the ice making coil 1 (23) and the ice making coil 2 (24) alternately run to make ice and remove ice, the electric valves V5(5) and V6(6) are opened, the electric valves V11(11) and V12(12) are closed, the electric valves V9(9) and V10(10) are opened, the electric valves V7(7) and V8(8) are closed under the ice making and ice making working conditions of the ice making coil 1 (23), the electric valves V5(5) and V6(6) are closed, the electric valves V11(11) and V12(12) are opened, the electric valves V9(9), V10(10) are closed, the electric valves V7(7) and V8(8) are opened under the ice making working conditions of the ice making coil 2 (24);
s4, independent cooling working condition of the ice storage device: chilled water in the ice storage device 22 flows through the ice storage device cold water supply pump 19 through a pipeline, flows through the cold plate supply pump 21 through a pipeline, and flows into the ice storage device through a pipeline after being heated, so that cooling is realized repeatedly in sequence, and the cold plate supply pump 21 is used as a cold quantity transmission device to continuously supply cold to the tail end in the whole cooling process;
s5, the conventional air conditioner and the ice storage device are combined to supply cold working conditions: the conventional air conditioner is started firstly, and meanwhile, chilled water in the ice storage device 22 flows through the ice storage device through the pipeline to supply the cold water pump 19, flows through the cold plate exchange 21 through the pipeline, and the chilled water after temperature rise flows into the ice storage device through the pipeline to realize combined cold supply repeatedly in sequence, and the cold plate exchange 21 is used as a cold quantity transmission device to continuously supply cold to the tail end in the whole cold supply process.
In the present invention, the ice making process of the ice making tray pipes 1 (23) in steps S2 and S3 includes: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the cooled ethylene glycol solution flows through the ethylene glycol circulating pump 13 through a pipeline, flows through the electric valve V6(6) through a pipeline, flows through the ice making coil 1 (23) through a pipeline to make ice, flows through the electric valve V5(5) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and is sequentially and repeatedly made to make ice.
In the present invention, the ice making process of the ice making tray pipes 2 (24) in steps S2 and S3 includes: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the cooled ethylene glycol solution flows through the ethylene glycol circulating pump 13 through a pipeline, flows through the electric valve V8(8) through a pipeline, flows through the ice making coil 2 (24) through a pipeline to make ice, flows through the electric valve V7(7) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and is sequentially and repeatedly made to make ice.
In the present invention, the ice removal process of the ice making tray pipes 1 (23) in steps S2 and S3 includes: the ethylene glycol solution flows through the deicing plate to change the temperature by 20 through the pipeline, the ethylene glycol solution after temperature rise flows through the deicing device 17 through the pipeline, flows through the electric valve V11(11) through the pipeline, flows through the ice making coil pipe 1 (23) through the pipeline to deice, flows through the electric valve V12(12) through the pipeline, flows through the ethylene glycol deicing pump 18 through the pipeline, flows through the deicing plate to change the temperature by 20 through the pipeline, and deicing is sequentially and repeatedly realized.
In the present invention, the ice removal process of the ice making tray pipes 2 (24) in steps S2 and S3 includes: the ethylene glycol solution flows through the deicing plate to change the temperature by 20 through the pipeline, the ethylene glycol solution after temperature rise flows through the deicing device 17 through the pipeline, flows through the electric valve V9(9) through the pipeline, flows through the ice making coil pipe 2 (24) through the pipeline to deice, flows through the electric valve V10(10) through the pipeline, flows through the ethylene glycol deicing pump 18 through the pipeline, flows through the deicing plate to change the temperature by 20 through the pipeline, and deicing is sequentially and repeatedly realized.
In the present invention, the auxiliary device 25 is installed inside the ice storage device 22 in steps S4 and S5, the auxiliary device 25 accelerates the convection of water by disturbing the water flow, and helps the ice making coil 1 (23) and the ice making coil 2 (24) to make and release ice rapidly, and the auxiliary device 25 may also be installed outside the ice storage device 22.
According to the invention, the deicing device 17 is installed by increasing the deicing device 17 according to the working conditions that the chilled water of the conventional air conditioner is not circulated and the deicing cold energy needs to be stored, and the deicing device 17 can be cancelled according to the working conditions.
In the present invention, in step S1, one side of the glycol ice making unit 14 is respectively communicated with the cooling pump 15 and the cooling tower 16 through a connecting pipeline, and the connecting port of the cooling pump 15 is communicated with the port of the cooling tower 16 through a pipeline.
In the present invention, the electric valve V1(1) is installed in the input pipe of the cold plate exchanger 20 in step S1, and the electric valve V2(2) is installed in the input pipe of the cold plate exchanger 21 in step S4.
In the invention, the glycol solution in the step S1 is a cold carrying medium in the whole ice storage system and can be replaced by other refrigerants according to the situation.
In the present invention, both step S2 and step S3 perform heat exchange for deicing using chilled water by plate exchange.
Example 2
When the ice storage device of the high-efficiency ice storage system method is closed:
s1 working condition of combined cooling of conventional air conditioning refrigeration and ice making machine set: the method comprises the steps of running a conventional air conditioner, opening an ice making unit system, enabling an ethylene glycol solution to flow through an electric valve V4(4) through a pipeline, enabling the ethylene glycol solution to flow through an ethylene glycol ice making unit (14) through the pipeline, enabling the ethylene glycol solution after temperature reduction to flow through an ethylene glycol circulating pump (13) through the pipeline, enabling the ethylene glycol solution after temperature reduction to flow through an electric valve V3(3) through the pipeline, enabling the ethylene glycol solution after temperature rise to flow through an electric valve V4(4) through the pipeline, and repeating the steps in sequence, wherein the ethylene glycol cold plate exchanger (20) serves as a cold transfer device to continuously supply cold to the tail end;
s2, the ice storage working condition of the conventional air-conditioning refrigeration and ice making unit is as follows: the conventional air conditioner operation-glycol ice making system is started, ice making and ice removing are alternately operated by an ice making coil 1 (23) and an ice making coil 2 (24), electric valves V5(5) and V6(6) are opened, V11(11) and V12(12) are closed, electric valves V9(9) and V10(10) are opened, and V7(7) and V8(8) are closed under the ice making and ice removing working conditions of the ice making coil 1 (23) and the ice making coil 2 (24); when the ice making coil pipe 1 (23) is used for ice removing and the ice making coil pipe 2 (24) is used for ice making, the electric valves V5(5) and V6(6) are closed, the V11(11) and the V12(12) are opened, the electric valves V9(9) and V10(10) are closed, and the V7(7) and the V8(8) are opened;
a1, ice making tray pipe 1 (23) ice making process: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the ethylene glycol solution after temperature reduction flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V6(6) through a pipeline, flows through an ice making coil pipe 1 (23) through a pipeline to make ice, flows through an electric valve V5(5) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and ice making is sequentially and repeatedly realized. Ice making coil 2 (23) ice making process: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the ethylene glycol solution after temperature reduction flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V8(8) through a pipeline, flows through an ice making coil 2 (24) through a pipeline to make ice, flows through an electric valve V7(7) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and ice making is sequentially and repeatedly realized;
a2, ice making tray pipe 1 (23) ice removing process: the method comprises the following steps that (20) glycol solution flows through an ice removing plate through a pipeline to be changed, (20) the heated glycol solution flows through an ice removing device (17) through the pipeline, the ice removing device is added under the working conditions that the chilled water of the conventional air conditioner is not circulated, the ice removing cold energy needs to be stored and the like, under the condition that the ice removing device is omitted, the glycol solution flows through an electric valve V11(11) through the pipeline, flows through an ice making coil pipe 1 (23) through the pipeline to be removed, flows through an electric valve V12(12) through the pipeline, flows through a glycol ice removing pump (18) through the pipeline, flows through the ice removing plate through the pipeline to be;
a3, ice making tray pipe 2 (24) ice removing process: the method comprises the steps that ethylene glycol solution flows through an ice removing plate through a pipeline to be changed (20), the ethylene glycol solution after temperature rise flows through an ice removing device (17) through the pipeline, the ice removing device is added under the working conditions that the frozen water of the conventional air conditioner is not circulated, the ice removing cold energy needs to be stored and the like, the ice removing device can be omitted under the condition that the ice removing device flows through an electric valve V9(9) through the pipeline, the ice is removed through an ice making coil pipe 2 (24) through the pipeline, the ice is removed through an electric valve V10(10) through the pipeline, the ethylene glycol ice removing pump (18) through the pipeline, the ice removing plate is changed (20.
S3, independent ice storage working condition of the ice maker set: the method comprises the steps of turning off a conventional air conditioner, turning on an ethylene glycol ice making system, alternately operating an ice making coil 1 (23) and an ice making coil 2 (24) to make ice and de-ice, turning on electric valves V5(5) and V6(6), turning off V11(11) and V12(12), turning on electric valves V9(9) and V10(10), and turning off V7(7) and V8(8) under ice making and de-ice conditions of the ice making coil 1 (23) and the ice making coil 2 (24); when the ice making coil pipe 1 (23) is used for ice removing and the ice making coil pipe 2 (24) is used for ice making, the electric valves V5(5) and V6(6) are closed, the V11(11) and the V12(12) are opened, the electric valves V9(9) and V10(10) are closed, and the V7(7) and the V8(8) are opened;
b1, ice making tray pipe 1 (23) ice making process: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the ethylene glycol solution after temperature reduction flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V6(6) through a pipeline, flows through an ice making coil pipe 1 (23) through a pipeline to make ice, flows through an electric valve V5(5) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and ice making is sequentially and repeatedly realized. Ice making coil 2 (23) ice making process: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the ethylene glycol solution after temperature reduction flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V8(8) through a pipeline, flows through an ice making coil 2 (24) through a pipeline to make ice, flows through an electric valve V7(7) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and ice making is sequentially and repeatedly realized;
b2, ice making coil pipe 1 (23) ice removing process: the method comprises the following steps that (20) glycol solution flows through an ice removing plate through a pipeline to be changed, (20) the heated glycol solution flows through an ice removing device (17) through the pipeline, the ice removing device is added under the working conditions that the chilled water of the conventional air conditioner is not circulated, the ice removing cold energy needs to be stored and the like, under the condition that the ice removing device is omitted, the glycol solution flows through an electric valve V11(11) through the pipeline, flows through an ice making coil pipe 1 (23) through the pipeline to be removed, flows through an electric valve V12(12) through the pipeline, flows through a glycol ice removing pump (18) through the pipeline, flows through the ice removing plate through the pipeline to be;
b3, ice making tray pipe 2 (24) ice removing process: the method comprises the following steps that (20) glycol solution flows through an ice removing plate through a pipeline to be changed, (20) the heated glycol solution flows through an ice removing device (17) through the pipeline, the ice removing device is added under the working conditions that the chilled water of the conventional air conditioner is not circulated, the ice removing cold energy needs to be stored and the like, under the condition that the ice removing device is omitted, the glycol solution flows through an electric valve V9(9) through the pipeline, flows through an ice making coil pipe 2 (24) through the pipeline to be removed, flows through an electric valve V10(10) through the pipeline, flows through a glycol ice removing pump (18) through the pipeline, flows through the ice removing plate through the pipeline to be;
s4, independent cooling working condition of the ice storage device: the conventional air conditioner refrigeration backwater flows through a pipeline and flows through a V2(2), then is divided into two paths of water supply through the pipeline, one path of water flows through an ice storage device (22) through the pipeline, and the cooled refrigeration water is sent to a conventional air conditioner refrigeration water supply pipe through the pipeline to provide refrigeration for a cold end; the other path is mixed with chilled water which is cooled by the ice storage device (22) and flows through a V14(26) through a pipeline, and then the mixed chilled water is sent to a conventional air-conditioning chilled water supply pipe to provide cold energy for a cold end.
S5, the combined cooling working condition of the conventional air conditioner and the ice storage device: the conventional air conditioner is started, meanwhile, the frozen backwater of the conventional air conditioner flows through a V2(2) through a pipeline, the frozen backwater of the conventional air conditioner is divided into two paths of water supply through the pipeline, one path of the frozen backwater flows through an ice storage device (22) through the pipeline, and the cooled frozen water is sent to the frozen backwater pipe of the conventional air conditioner through the pipeline to provide cold energy for a cold end; the other path is mixed with chilled water which is cooled by the ice storage device (22) and flows through a V14(26) through a pipeline, and then the mixed chilled water is sent to a conventional air-conditioning chilled water supply pipe to provide cold energy for a cold end.
In the invention, the auxiliary device (25) can accelerate the convection of water by disturbing the water flow, and help the ice making coils (1), (23) and the ice making coils (2), (24) to realize rapid ice making and ice removing, and the device can be arranged in the ice storage device or outside the ice storage device.
Example 3
An ice storage device of a high-efficiency ice storage system method is open, and a glycol main machine is only used for storing ice and not used for cooling:
s1, the ice storage working condition of the conventional air-conditioning refrigeration and ice making unit is as follows: the conventional air conditioner operation-glycol ice making system is started, ice making and ice removing are alternately operated by an ice making coil 1 (23) and an ice making coil 2 (24), electric valves V5(5) and V6(6) are opened, V11(11) and V12(12) are closed, electric valves V9(9) and V10(10) are opened, and V7(7) and V8(8) are closed under the ice making and ice removing working conditions of the ice making coil 1 (23) and the ice making coil 2 (24); when the ice making coil pipe 1 (23) is used for ice removing and the ice making coil pipe 2 (24) is used for ice making, the electric valves V5(5) and V6(6) are closed, the V11(11) and the V12(12) are opened, the electric valves V9(9) and V10(10) are closed, and the V7(7) and the V8(8) are opened;
a1, ice making tray pipe 1 (23) ice making process: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the ethylene glycol solution after temperature reduction flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V6(6) through a pipeline, flows through an ice making coil pipe 1 (23) through a pipeline to make ice, flows through an electric valve V5(5) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and ice making is sequentially and repeatedly realized. Ice making coil 2 (23) ice making process: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the ethylene glycol solution after temperature reduction flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V8(8) through a pipeline, flows through an ice making coil 2 (24) through a pipeline to make ice, flows through an electric valve V7(7) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and ice making is sequentially and repeatedly realized;
a2, ice making tray pipe 1 (23) ice removing process: the method comprises the steps that ethylene glycol solution flows through an ice removing plate through a pipeline to be changed (20), the ethylene glycol solution after temperature rise flows through an ice removing device (17) through the pipeline, the ice removing device is added under the working conditions that the chilled water of a conventional air conditioner is not circulated and the ice removing cold energy needs to be stored, and the like, under the condition that the ice removing device is omitted, the ethylene glycol solution flows through an electric valve V11(11) through the pipeline, flows through an ice making coil pipe 1 (23) through the pipeline to be removed, flows through an electric valve V12(12) through the pipeline, flows through an ethylene glycol ice removing pump (18) through the pipeline, flows through the ice removing plate through the.
a3, ice making tray pipe 2 (24) ice removing process: the method comprises the steps that ethylene glycol solution flows through an ice removing plate through a pipeline to be changed (20), the ethylene glycol solution after temperature rise flows through an ice removing device (17) through the pipeline, the ice removing device is added under the working conditions that the frozen water of the conventional air conditioner is not circulated, the ice removing cold energy needs to be stored and the like, the ice removing device can be omitted under the condition that the ice removing device flows through an electric valve V9(9) through the pipeline, the ice is removed through an ice making coil pipe 2 (24) through the pipeline, the ice is removed through an electric valve V10(10) through the pipeline, the ethylene glycol ice removing pump (18) through the pipeline, the ice removing plate is changed (20.
S2, independent ice storage working condition of the ice maker set: the method comprises the steps of turning off a conventional air conditioner, turning on an ethylene glycol ice making system, alternately operating an ice making coil 1 (23) and an ice making coil 2 (24) to make ice and de-ice, turning on electric valves V5(5) and V6(6), turning off V11(11) and V12(12), turning on electric valves V9(9) and V10(10), and turning off V7(7) and V8(8) under ice making and de-ice conditions of the ice making coil 1 (23) and the ice making coil 2 (24); when the ice making coil pipe 1 (23) is used for ice removing and the ice making coil pipe 2 (24) is used for ice making, the electric valves V5(5) and V6(6) are closed, the V11(11) and the V12(12) are opened, the electric valves V9(9) and V10(10) are closed, and the V7(7) and the V8(8) are opened;
b1, ice making tray pipe 1 (23) ice making process: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the ethylene glycol solution after temperature reduction flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V6(6) through a pipeline, flows through an ice making coil pipe 1 (23) through a pipeline to make ice, flows through an electric valve V5(5) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and ice making is sequentially and repeatedly realized. Ice making coil 2 (23) ice making process: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the ethylene glycol solution after temperature reduction flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V8(8) through a pipeline, flows through an ice making coil 2 (24) through a pipeline to make ice, flows through an electric valve V7(7) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and ice making is sequentially and repeatedly realized;
b2, ice making coil pipe 1 (23) ice removing process: the method comprises the following steps that (20) glycol solution flows through an ice removing plate through a pipeline to be changed, (20) the heated glycol solution flows through an ice removing device (17) through the pipeline, the ice removing device is added under the working conditions that the chilled water of the conventional air conditioner is not circulated, the ice removing cold energy needs to be stored and the like, under the condition that the ice removing device is omitted, the glycol solution flows through an electric valve V11(11) through the pipeline, flows through an ice making coil pipe 1 (23) through the pipeline to be removed, flows through an electric valve V12(12) through the pipeline, flows through a glycol ice removing pump (18) through the pipeline, flows through the ice removing plate through the pipeline to be;
b3, ice making tray pipe 2 (24) ice removing process: the method comprises the following steps that (20) glycol solution flows through an ice removing plate through a pipeline to be changed, (20) the heated glycol solution flows through an ice removing device (17) through the pipeline, the ice removing device is added under the working conditions that the chilled water of the conventional air conditioner is not circulated, the ice removing cold energy needs to be stored and the like, under the condition that the ice removing device is omitted, the glycol solution flows through an electric valve V9(9) through the pipeline, flows through an ice making coil pipe 2 (24) through the pipeline to be removed, flows through an electric valve V10(10) through the pipeline, flows through a glycol ice removing pump (18) through the pipeline, flows through the ice removing plate through the pipeline to be;
s3, independent cooling working condition of the ice storage device: the frozen water in the ice storage device (22) flows through the ice storage device cold water supply pump (19) through the pipeline, flows through the cold plate supply pump (21) through the pipeline, and flows into the ice storage device through the pipeline after temperature rise, and cooling is sequentially and repeatedly realized. The cold plate exchanger (21) is used as a cold energy transfer device to continuously supply cold to the tail end in the whole cold supply process.
S4, the combined cooling working condition of the conventional air conditioner and the ice storage device: the method comprises the steps that when a conventional air conditioner is started, chilled water in an ice storage device (22) flows through a cold water supply pump (19) of the ice storage device through a pipeline, flows through a cold plate supply pump (21) through the pipeline, and the chilled water after temperature rise flows into the ice storage device through the pipeline, and combined cold supply is sequentially and repeatedly realized. The cold plate exchanger (21) is used as a cold energy transfer device to continuously supply cold to the tail end in the whole cold supply process.
In the invention, the auxiliary device (25) can accelerate the convection of water by disturbing the water flow, and help the ice making coils (1), (23) and the ice making coils (2), (24) to realize rapid ice making and ice removing, and the device can be arranged in the ice storage device or outside the ice storage device.
Example 4
The ice storage device of the high-efficiency ice storage system method is closed, and the ethylene glycol main machine is only used for storing ice and not used for cooling:
s1, the ice storage working condition of the conventional air-conditioning refrigeration and ice making unit is as follows: the conventional air conditioner operation-glycol ice making system is started, ice making and ice removing are alternately operated by an ice making coil 1 (23) and an ice making coil 2 (24), electric valves V5(5) and V6(6) are opened, V11(11) and V12(12) are closed, electric valves V9(9) and V10(10) are opened, and V7(7) and V8(8) are closed under the ice making and ice removing working conditions of the ice making coil 1 (23) and the ice making coil 2 (24); when the ice making coil pipe 1 (23) is used for ice removing and the ice making coil pipe 2 (24) is used for ice making, the electric valves V5(5) and V6(6) are closed, the V11(11) and the V12(12) are opened, the electric valves V9(9) and V10(10) are closed, and the V7(7) and the V8(8) are opened;
a1, ice making tray pipe 1 (23) ice making process: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the ethylene glycol solution after temperature reduction flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V6(6) through a pipeline, flows through an ice making coil pipe 1 (23) through a pipeline to make ice, flows through an electric valve V5(5) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and ice making is sequentially and repeatedly realized. Ice making coil 2 (23) ice making process: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the ethylene glycol solution after temperature reduction flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V8(8) through a pipeline, flows through an ice making coil 2 (24) through a pipeline to make ice, flows through an electric valve V7(7) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and ice making is sequentially and repeatedly realized;
a2, ice making tray pipe 1 (23) ice removing process: the method comprises the following steps that (20) glycol solution flows through an ice removing plate through a pipeline to be changed, (20) the heated glycol solution flows through an ice removing device (17) through the pipeline, the ice removing device is added under the working conditions that the chilled water of the conventional air conditioner is not circulated, the ice removing cold energy needs to be stored and the like, under the condition that the ice removing device is omitted, the glycol solution flows through an electric valve V11(11) through the pipeline, flows through an ice making coil pipe 1 (23) through the pipeline to be removed, flows through an electric valve V12(12) through the pipeline, flows through a glycol ice removing pump (18) through the pipeline, flows through the ice removing plate through the pipeline to be;
a3, ice making tray pipe 2 (24) ice removing process: the method comprises the following steps that (20) glycol solution flows through an ice removing plate through a pipeline to be changed, (20) the heated glycol solution flows through an ice removing device (17) through the pipeline, the ice removing device is added under the working conditions that the chilled water of the conventional air conditioner is not circulated, the ice removing cold energy needs to be stored and the like, under the condition that the ice removing device is omitted, the glycol solution flows through an electric valve V9(9) through the pipeline, flows through an ice making coil pipe 2 (24) through the pipeline to be removed, flows through an electric valve V10(10) through the pipeline, flows through a glycol ice removing pump (18) through the pipeline, flows through the ice removing plate through the pipeline to be;
s2, independent ice storage working condition of the ice maker set: the method comprises the steps of turning off a conventional air conditioner, turning on an ethylene glycol ice making system, alternately operating an ice making coil 1 (23) and an ice making coil 2 (24) to make ice and de-ice, turning on electric valves V5(5) and V6(6), turning off V11(11) and V12(12), turning on electric valves V9(9) and V10(10), and turning off V7(7) and V8(8) under ice making and de-ice conditions of the ice making coil 1 (23) and the ice making coil 2 (24); when the ice making coil pipe 1 (23) is used for ice removing and the ice making coil pipe 2 (24) is used for ice making, the electric valves V5(5) and V6(6) are closed, the V11(11) and the V12(12) are opened, the electric valves V9(9) and V10(10) are closed, and the V7(7) and the V8(8) are opened;
b1, ice making tray pipe 1 (23) ice making process: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the ethylene glycol solution after temperature reduction flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V6(6) through a pipeline, flows through an ice making coil pipe 1 (23) through a pipeline to make ice, flows through an electric valve V5(5) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and ice making is sequentially and repeatedly realized. Ice making coil 2 (23) ice making process: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the ethylene glycol solution after temperature reduction flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V8(8) through a pipeline, flows through an ice making coil 2 (24) through a pipeline to make ice, flows through an electric valve V7(7) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and ice making is sequentially and repeatedly realized;
b2, ice making coil pipe 1 (23) ice removing process: the method comprises the following steps that (20) glycol solution flows through an ice removing plate through a pipeline to be changed, (20) the heated glycol solution flows through an ice removing device (17) through the pipeline, the ice removing device is added under the working conditions that the chilled water of the conventional air conditioner is not circulated, the ice removing cold energy needs to be stored and the like, under the condition that the ice removing device is omitted, the glycol solution flows through an electric valve V11(11) through the pipeline, flows through an ice making coil pipe 1 (23) through the pipeline to be removed, flows through an electric valve V12(12) through the pipeline, flows through a glycol ice removing pump (18) through the pipeline, flows through the ice removing plate through the pipeline to be;
b3, ice making tray pipe 2 (24) ice removing process: the method comprises the following steps that (20) glycol solution flows through an ice removing plate through a pipeline to be changed, (20) the heated glycol solution flows through an ice removing device (17) through the pipeline, the ice removing device is added under the working conditions that the chilled water of the conventional air conditioner is not circulated, the ice removing cold energy needs to be stored and the like, under the condition that the ice removing device is omitted, the glycol solution flows through an electric valve V9(9) through the pipeline, flows through an ice making coil pipe 2 (24) through the pipeline to be removed, flows through an electric valve V10(10) through the pipeline, flows through a glycol ice removing pump (18) through the pipeline, flows through the ice removing plate through the pipeline to be;
s3, independent cooling working condition of the ice storage device: the conventional air conditioner refrigeration backwater flows through a pipeline and flows through a V2(2), then is divided into two paths of water supply through the pipeline, one path of water flows through an ice storage device (22) through the pipeline, and the cooled refrigeration water is sent to a conventional air conditioner refrigeration water supply pipe through the pipeline to provide refrigeration for a cold end; the other path is mixed with chilled water which flows through the ice storage device (22) and is cooled through a V14(26) pipeline and then is sent to a conventional air-conditioning chilled water supply pipe to provide cold energy for a cold end;
s4, the combined cooling working condition of the conventional air conditioner and the ice storage device: the conventional air conditioner is started, meanwhile, the frozen backwater of the conventional air conditioner flows through a V2(2) through a pipeline, the frozen backwater of the conventional air conditioner is divided into two paths of water supply through the pipeline, one path of the frozen backwater flows through an ice storage device (22) through the pipeline, and the cooled frozen water is sent to the frozen backwater pipe of the conventional air conditioner through the pipeline to provide cold energy for a cold end; the other path is mixed with chilled water which is cooled by the ice storage device (22) and flows through a V14(26) through a pipeline, and then the mixed chilled water is sent to a conventional air-conditioning chilled water supply pipe to provide cold energy for a cold end.
In the invention, the auxiliary device (25) can accelerate the convection of water by disturbing the water flow, and help the ice making coils (1), (23) and the ice making coils (2), (24) to realize rapid ice making and ice removing, and the device can be arranged in the ice storage device or outside the ice storage device.
Referring to fig. 6 and 7, the deicing apparatus: the device is an optional part and aims to store cold energy released during deicing, release the cold energy when the price of high power is equal, and directly deice the ice by using chilled water and plates when the deicing cold energy is not considered, so that the deicer is not needed.
An auxiliary device: the ice storage device is characterized in that the ice making coil is helped to make and deice ice more easily, the ice storage device can be placed in and out of the ice storage device, the deice ice is assisted by chilled water, the cold energy released by the ice making coil is directly absorbed and utilized by the chilled water during deice ice, no waste exists, the ice removal method is not adopted in the air conditioner ice storage industry, no heat source is additionally added for deice ice, no ten thousand year ice immobilization phenomenon exists, the unit volume cold storage density is large, heat source deice ice removal is adopted in the industry, the energy consumption is additionally increased, the ice making machine is high in energy efficiency, the ice making coil is high in efficiency, the ice storage coil of the current ice storage device is large in using amount, a large number of ice storage volumes are occupied, the ice storage: and storing ice by using a low-temperature refrigerant and frozen water.
The ice storage method comprises the following steps: the ice making coil and the ice are placed in the same container.
The ice supply method comprises the following steps: the ice making coil and the ice are placed in the same container.
The invention has the advantages of high ice melting speed, high energy consumption reduction efficiency, high utilization rate of ice storage volume, high and stable energy efficiency of ice storage, and slowly reduced energy efficiency of thickened ice layers.
To sum up the above
The invention can help the ice making coil pipe to make and deice more easily by using the auxiliary device in the ice storage device, the ice making coil pipe can be placed in and out of the ice storage device, the deice is assisted by using chilled water, the cold energy released by the ice making coil pipe during deice is directly absorbed and utilized by the chilled water without waste, the existing air-conditioning ice storage industry does not have the deice method, meanwhile, the deice is not needed to be added, the phenomenon of ten thousand years of ice insolubilization is avoided, the unit volume cold storage density is large, the cold energy released during deice can be stored by using the deice in the whole ice storage system, the cold energy is released at the same high price, when the deice cold energy is not considered, the deice can be directly replaced by using the chilled water and the plate, the deice is not needed at the moment, thereby greatly saving the initial investment, simultaneously, the ice is stored by using low-temperature refrigerant and chilled water, and the ice making coil pipe and the, after cold accumulation is completed, the ice storage device has the upper layer formed by mixing ice water and the bottom formed by mixing water, so that the ice melting speed can be greatly accelerated, the ice storage efficiency is high, the ice storage amount per unit volume is large, the ice maker has stable energy efficiency, and the thickening energy efficiency of the ice layer is slowly reduced under the ice storage working condition in other modes.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An efficient ice storage system method is characterized in that: through paving helping device disturbance rivers, let water convection with higher speed, help the system ice coil pipe system ice and deicing, recycle the refrigerated water and trade heat transfer for refrigerant pentanediol solution through the board and realize the deicing, the cold volume that the refrigeration coil pipe released during the deicing is directly absorbed by the refrigerated water for air conditioner refrigeration specifically includes following step:
s1, the combined cooling working condition of the conventional air-conditioning refrigeration and ice-making machine set: firstly, a conventional air conditioner is operated, an ice making unit system is opened, glycol solution flows through an electric valve V4(4) through a pipeline, then flows through a glycol ice making unit (14) through the pipeline, the cooled glycol solution flows through a glycol circulating pump (13) through the pipeline, then flows through an electric valve V3(3) through the pipeline, then flows through a glycol deicing plate (20) through the pipeline, the heated glycol solution flows through an electric valve V4(4) through the pipeline, the steps are repeated in sequence, and the glycol deicing plate (20) is used as a cold transmission device to continuously supply cold to the tail end in the whole refrigeration process;
s2, the ice storage working condition of the conventional air-conditioning refrigeration and ice making unit: the conventional air conditioner is operated, the ethylene glycol ice making system is started, the ice making coil 1 (23) and the ice making coil 2 (24) alternately operate to make ice and remove ice, electric valves V5(5) and V6(6) are opened, V11(11) and V12(12) are closed, electric valves V9(9) and V10(10) are opened, V7(7) and V8(8) are closed under the ice making and ice making working conditions of the ice making coil 1 (23), electric valves V5(5) and V6(6) are closed, V11(11) and V12(12) are opened, electric valves V9(9), V10(10) are closed, V7(7) and V8(8) are opened under the ice making and ice making working conditions of the ice making coil 2 (24);
s3, independent ice storage working condition of the ice maker set: the conventional air conditioner is turned off, the glycol ice making system is turned on, the ice making coil 1 (23) and the ice making coil 2 (24) alternately run to make ice and remove ice, the electric valves V5(5) and V6(6) are opened, the electric valves V11(11) and V12(12) are closed, the electric valves V9(9) and V10(10) are opened, the electric valves V7(7) and V8(8) are closed under the ice making and ice making working conditions of the ice making coil 1 (23), the electric valves V5(5) and V6(6) are closed, the electric valves V11(11) and V12(12) are opened, the electric valves V9(9), V10(10) are closed, the electric valves V7(7) and V8(8) are opened under the ice making working conditions of the ice making coil 2 (24);
s4, independent cooling working condition of the ice storage device: chilled water in the ice storage device (22) flows through a cold water supply pump (19) of the ice storage device through a pipeline, flows through a cold plate supply exchanger (21) through a pipeline, the chilled water after temperature rise flows into the ice storage device through a pipeline, cooling is sequentially and repeatedly realized, and the cold plate supply exchanger (21) is used as a cold quantity transfer device to continuously supply cold to the tail end in the whole cooling process;
s5, the conventional air conditioner and the ice storage device are combined to supply cold working conditions: the method comprises the steps that firstly, a conventional air conditioner is started, meanwhile, chilled water in an ice storage device (22) flows through an ice storage device cold water supply pump (19) through a pipeline, flows through a cold plate heat exchanger (21) through a pipeline, the chilled water after temperature rise flows into the ice storage device through a pipeline, combined cold supply is sequentially and repeatedly realized, and the cold plate heat exchanger (21) is used as a cold quantity transmission device to continuously supply cold to the tail end in the whole cold supply process;
the ice making process of the ice making tray pipe 1 (23) in the steps S2 and S3 is as follows: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the cooled ethylene glycol solution flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V6(6) through a pipeline, flows through an ice making coil pipe 1 (23) through a pipeline to make ice, flows through an electric valve V5(5) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and is sequentially and repeatedly made to make ice;
the ice making process of the ice making tray pipes 2 (24) in the steps S2 and S3 is as follows: the ethylene glycol solution flows through the ethylene glycol ice making group through a pipeline, the cooled ethylene glycol solution flows through an ethylene glycol circulating pump (13) through a pipeline, flows through an electric valve V8(8) through a pipeline, flows through an ice making coil 2 (24) through a pipeline to make ice, flows through an electric valve V7(7) through a pipeline, flows through the ethylene glycol ice making group through a pipeline, and is sequentially and repeatedly made to make ice;
the ice removing process of the ice making coil 1 (23) in the steps S2 and S3 includes: the ethylene glycol solution flows through the deicing plate (20) through a pipeline, the ethylene glycol solution after being heated flows through the deicing device (17) through a pipeline, flows through the electric valve V11(11) through a pipeline, flows through the ice making coil pipe 1 (23) through a pipeline for deicing, flows through the electric valve V12(12) through a pipeline, flows through the ethylene glycol deicing pump (18) through a pipeline, flows through the deicing plate (20) through a pipeline for deicing, and sequentially and repeatedly realizes deicing;
the ice removing process of the ice making coil 2 (24) in the steps S2 and S3 includes: the ethylene glycol solution flows through the deicing plate (20) through a pipeline, the ethylene glycol solution after being heated flows through the deicing device (17) through a pipeline, flows through the electric valve V9(9) through a pipeline, flows through the ice making coil pipe 2 (24) through a pipeline for deicing, flows through the electric valve V10(10) through a pipeline, flows through the ethylene glycol deicing pump (18) through a pipeline, flows through the deicing plate (20) through a pipeline for deicing, and sequentially and repeatedly realizes deicing;
in the step S4 and the step S5, an auxiliary device (25) is installed inside the ice storage device (22), and the auxiliary device (25) makes water accelerate convection by disturbing water flow, so as to help the ice making coils 1 and 23 and the ice making coils 2 and 24 to realize rapid ice making and ice shedding.
2. A high efficiency ice storage system method as claimed in claim 1, wherein: the deicing device (17) is installed by adding the deicing device (17) according to the working conditions that the chilled water of the conventional air conditioner is not circulated and the deicing cold energy needs to be stored, or the deicing device (17) can be cancelled.
3. A high efficiency ice storage system method as claimed in claim 1, wherein: in the step S1, one side of the ethylene glycol ice making unit (14) is respectively communicated with a cooling pump (15) and a cooling tower (16) through a connecting pipeline, and the connecting port of the cooling pump (15) is communicated with the port of the cooling tower (16) through a pipeline.
4. A high efficiency ice storage system method as claimed in claim 1, wherein: in the step S1, the electric valve V1(1) is installed in the input pipe of the ice removing plate exchanger (20), and in the step S4, the electric valve V2(2) is installed in the input pipe of the cold plate exchanger (21).
5. A high efficiency ice storage system method as claimed in claim 1, wherein: in the step S1, the glycol solution is a cooling medium in the entire ice storage system, or may be replaced by another cooling medium.
6. A high efficiency ice storage system method as claimed in claim 1, wherein: the step S2 and the step S3 are performed to perform heat exchange for deicing by using the frozen water through the plate exchange.
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| CN110567211A (en) * | 2019-10-14 | 2019-12-13 | 广东腾源蓄冷节能科技有限公司 | Ice storage device and ice melting by utilizing air temperature |
| CN111256252A (en) * | 2020-01-19 | 2020-06-09 | 四川通普科技有限公司 | Dynamic ice storage machine room control system |
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