CN115507608A - Energy supply system and method for spring ice making - Google Patents

Energy supply system and method for spring ice making Download PDF

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Publication number
CN115507608A
CN115507608A CN202211190807.7A CN202211190807A CN115507608A CN 115507608 A CN115507608 A CN 115507608A CN 202211190807 A CN202211190807 A CN 202211190807A CN 115507608 A CN115507608 A CN 115507608A
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China
Prior art keywords
inlet
valve
outlet
heat
ice
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CN202211190807.7A
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Chinese (zh)
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CN115507608B (en
Inventor
赵玺灵
付林
王笑吟
张烨
吴彦廷
江亿
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Tsinghua University
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Tsinghua University
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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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D15/00—Devices not covered by group F25D11/00 or F25D13/00, e.g. non-self-contained movable devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/18—Hot-water central heating systems using heat pumps
    • 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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/22—Construction of moulds; Filling devices for moulds
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

The application discloses an energy supply system and method for making ice in spring, and solves the problem that a cogeneration system is low in energy utilization efficiency. The energy supply system for spring ice making comprises a heat storage device, a first ice making and heat supplying unit, a spring ice making tank, a water supply pipeline and a water return pipeline, wherein media circulate in the water supply pipeline and the water return pipeline; first ice making heat supply unit to spring system ice jar output cold energy/heat energy, spring system ice jar is stored cold energy/heat energy, first ice making heat supply unit to heat storage device output heat energy, heat storage device stores heat energy, spring system ice jar passes through the outside cold energy of exporting of water supply pipe. The ice making machine is driven by the waste heat discharged in the power plant in spring to make ice, and the cooling capacity of the system is increased, so that energy conservation and emission reduction are realized, carbon emission is reduced, and the running cost is reduced.

Description

Energy supply system and method for ice making in spring
Technical Field
The application relates to the technical field of urban energy, in particular to an energy supply system and method for making ice in spring.
Background
How to reduce the energy consumption and carbon emission of a heating and cooling system under the condition of feasible economy becomes a difficult problem which needs to be solved urgently in industry development.
The prior art provides a cross-season cold and hot combined storage heat and cold supply system for hot summer, cold winter and summer, which increases the heat supply capacity of the system, but the cold supply capacity of the system is limited.
Disclosure of Invention
In order to solve the problems in the prior art, the application aims to provide an energy supply system and method for spring ice making, the waste heat discharged from a spring power plant is used for driving ice making, and the cold supply capacity of the system is increased, so that energy conservation and emission reduction are realized, carbon emission is reduced, and the operation cost is reduced.
In order to achieve the technical purpose, the following technical scheme is adopted in the application:
the application provides an energy supply system for spring ice making, which comprises a heat storage device, a first ice making and heat supplying unit, a spring ice making tank, a water supply pipeline and a water return pipeline, wherein media circulate in the water supply pipeline and the water return pipeline;
the first ice making and heat supplying unit outputs cold energy/heat energy to the spring ice making tank, the spring ice making tank stores the cold energy/heat energy, the first ice making and heat supplying unit outputs heat energy to the heat storage device, the heat storage device stores the heat energy, and the spring ice making tank outputs cold energy outwards through the water supply pipeline.
Optionally, the heat storage device (30) comprises a first inlet and a second outlet (31, 32), the first ice-making and heat-supplying unit (60) comprises a first inlet (61), a first outlet (62), a second inlet (63) and a second outlet (64), and the spring ice making tank (100) comprises a first inlet and a second inlet (101, 102);
the first inlet and outlet (31) is connected with the first inlet (61), the first inlet and outlet (101) is respectively connected with the second inlet (63) and the water supply pipeline (200), and the second inlet and outlet (102) is respectively connected with the second outlet (64) and the water return pipeline (300).
Optionally, the system further comprises a first electric heat pump (80) and a second electric heat pump (110), wherein the first electric heat pump (80) comprises a first inlet (81), a first outlet (82), a second inlet (83) and a second outlet (84), and the second electric heat pump (110) comprises a first inlet (111), a first outlet (112), a second inlet (113) and a second outlet (114);
the second inlet/outlet (32) is connected with the first outlet (112), the first inlet (61) is also connected with the second outlet (84), and the first outlet (62) is respectively connected with the first inlet (81) and the second inlet (113);
the first outlet (82) is connected to the first inlet (111) and the second inlet (83) is connected to the second outlet (114).
Optionally, the first outlet (82) is further connected with the water return pipeline (300), the second outlet (84) is further connected with the water supply pipeline (200), the second inlet (63) is further connected with the water return pipeline (300) and the first outlet (82), respectively, and the second outlet (64) is further connected with the first inlet (81) and the second inlet (83), respectively;
the first inlet/outlet (31) is further connected to the second inlet/outlet (102), and the second inlet/outlet (32) is further connected to the first outlet (62) and the first inlet/outlet (101), respectively.
Optionally, the ice making device further comprises a winter ice making tank (40) and a second ice making and heat supplying unit (50), wherein the winter ice making tank (40) comprises a first inlet and a second outlet (41) and a second inlet and a second outlet (42), and the second ice making and heat supplying unit (50) comprises a first inlet (51), a first outlet (52), a second inlet (53), a second outlet (54), a third inlet (55) and a third outlet (56);
the first inlet and outlet (41) is respectively connected with the water return pipeline (300), the first inlet (61), the second outlet (64) and the third outlet (56), and the second inlet and outlet (42) is respectively connected with the water supply pipeline (200), the second inlet and outlet (32) and the first inlet and outlet (101);
the second inlet/outlet (32) is also connected to the second inlet (53);
the second outlet (54) is connected with the second inlet (83);
the second outlet (84) is also connected to the first inlet/outlet (31), the third inlet (55), and the second inlet (63).
Optionally, the water return pipeline (300) is further connected to the first inlet (61), the first inlet (51), and the first inlet (81), respectively, and the water supply pipeline (200) is further connected to the first outlet (82) and the first outlet (52), respectively.
Optionally, the heat source device (400) comprises a first inlet (401), a first outlet (402), the first inlet (401) is connected with the second outlet (64), and the first outlet (402) is connected with the second inlet (63).
Optionally, the system further comprises a tail end heat exchange station (90), wherein the tail end heat exchange station (90) comprises a heat exchange device (901), the heat exchange device (901) comprises an inlet (91) and an outlet (92), the inlet (91) is connected with the water supply pipeline (200), and the outlet (92) is connected with the water return pipeline (300);
the tail end heat exchange station (90) further comprises an electric refrigerating machine (902), the electric refrigerating machine (902) comprises an inlet (93) and an outlet (94), the inlet (93) is connected with the outlet (92), and the outlet (94) is connected with the water return pipeline (300).
Optionally, the first inlet/outlet (31) is provided with a seventeenth valve (17), a nineteenth valve (19) is arranged on a path connecting the first inlet/outlet (61), a twenty-eighth valve (28) is arranged on a path connecting the second inlet/outlet (102), and a second valve (2) is arranged on a path connecting the second inlet/outlet (32) and the second inlet/outlet (53);
a fifth valve (5) is arranged on the first inlet/outlet (41), a sixth valve (6) is arranged on the path connected with the third outlet (56), an eighteenth valve (18) is arranged on the path connected with the water return pipeline (300), a first valve (1) is arranged on the path connected with the second inlet/outlet (42) and the second inlet/outlet (32), and a twentieth valve (20) is arranged on the path connected with the water supply pipeline (200);
first entry (51) are connected be provided with tenth valve (10) on the route of return water pipeline (300), second export (54) are connected be provided with twenty first valve (21) on the route of second entry (83), third entry (55) are connected be provided with fourth valve (4) on the route of second entry (63).
Optionally, the first inlet (61) is connected to be provided with an eighth valve (8) on the route of return water pipeline (300), the first outlet (62) is connected to be provided with a ninth valve (9) on the route of water supply pipeline (200), the second inlet (63) is connected to be provided with a twelfth valve (22) on the route of first import and export (101), connect be provided with a twelfth valve (12) on the route of return water pipeline (300), the second outlet (64) is connected to be provided with a seventh valve (7) on the route of first import and export (41), connect be provided with a twentieth valve (23) on the route of second import and export (102).
Optionally, a sixteenth valve (16) and an eleventh valve (11) are arranged on a path of the first inlet (81) connected with the water return pipeline (300), a thirteenth valve (13) is arranged on a path of the first outlet (82) connected with the second inlet (63), a twenty-fourth valve (24) is arranged on a path of the second inlet (83) connected with the second outlet (64), a twenty-ninth valve (29) is arranged on a path of the second outlet (84) connected with the first inlet (61), and a thirty-eighth valve (38) is arranged on a path connected with the water supply pipeline (200);
the path connecting point of the second outlet (64) to the first inlet (81) is located between the sixteenth valve (16) and the eleventh valve (11), and a third valve (3) is provided on the connecting path.
Optionally, a twenty-fifth valve (25) is arranged on the path of the first inlet/outlet (101) connected with the water supply pipeline (200), and a twenty-sixth valve (26) is arranged on the path of the second inlet/outlet (102) connected with the water return pipeline (300);
a thirty-fourth valve (34) is arranged on a path of the first inlet (111) connected with the first outlet (82), a thirty-fifth valve (35) is arranged on the first outlet (112), a thirty-sixth valve (36) is arranged on the second inlet (113), and a thirty-seventh valve (37) is arranged on the second outlet (114).
Optionally, a plurality of said thermal storage devices (30) in series or in parallel, a plurality of said spring ice making tanks (100) in series or in parallel, a plurality of said winter ice making tanks (40) in series or in parallel;
or the heat storage device (30), the spring ice making tank (100) and the winter ice making tank (40) respectively comprise N small chambers, N is a natural number not less than 2, and the N small chambers are connected in parallel or in series.
Optionally, the thermal storage device (30), the spring ice making tank (100), the winter ice making tank (40) are disposed above ground or underground;
the second ice-making and heat-supplying unit (50) is a hot water-driven ice-making machine or a hot water-driven and voltage-compression-type hybrid ice-making machine;
the heat exchange equipment (901) is a common heat exchanger, or a large temperature difference heat exchanger, or a second-class heat pump heat exchanger.
The second aspect of the present application provides a spring energy storage method, which is implemented by the above-mentioned energy supply system for making ice in spring, and the initial state before spring energy storage is: the heat storage device and the ice making tank in spring are both normal temperature water, and all valves are in a closed state;
beginning to store energy in spring, comprising:
a seventeenth valve, a nineteenth valve, a twenty-second valve, a twenty-third valve, a twenty-ninth valve, a thirty-third valve, a thirty-fourth valve, a thirty-fifth valve, a thirty-sixth valve and a thirty-seventh valve are opened, and other valves are in closed states;
the normal-temperature water flows out from a first inlet and outlet of the spring ice making tank, enters a second inlet of the first ice making and heat supplying unit through a twenty-second valve, flows out from a second outlet after cooling and ice making, and enters a second inlet and outlet of the spring ice making tank to store ice;
the normal temperature water flows out from the first import and export of heat accumulation device, gets into the first entry of first ice-making heat supply unit through seventeenth valve, nineteenth valve, and it is divided into two routes to flow out from first export after rising the temperature:
the first path enters a first inlet of the first electric heat pump through a thirty-third valve, flows out from a first outlet to enter a first inlet of the second heat pump through a thirty-fourth valve after being heated again, flows out from a first outlet to enter a second inlet and a second outlet of the heat storage device through a thirty-fifth valve after being heated again to store hot water;
and the second path enters a second inlet of the second heat pump through a thirty-third valve and a thirty-sixth valve, flows out of a second outlet after being cooled, enters a second inlet of the first electric heat pump through a seventeenth valve, flows out of a second outlet after being cooled again, and enters a first inlet of the first ice-making and heat-supplying unit again through a twenty-ninth valve.
In a third aspect of the present application, a summer cooling method is implemented by the above energy supply system for making ice in spring, and the initial state before cooling in summer is: ice slurry or ice-water mixture is filled in the ice making tank in spring, the temperature is 0 ℃, and all valves are in a closed state;
beginning to supply cold in summer, comprising:
the working condition I is as follows: a spring ice making tank cold supply mode;
opening the twenty-fifth valve and the twenty-sixth valve, and closing the other valves;
the backwater of the backwater pipeline enters a second inlet and outlet of the ice making tank in spring through a twenty-sixth valve, and ice slurry or cold water flows out of the first inlet and outlet through a twenty-fifth valve and is sent to the water supply pipeline for external cooling;
and after the cooling of the ice making tank is finished in spring, closing the twenty-fifth valve and the twenty-sixth valve.
Optionally, the method further comprises:
working conditions are as follows: the heat storage device (30) and the spring ice making tank (100) store heat and simultaneously supply cold, the heat storage device (30) and the spring ice making tank (100) start to realize a heat storage function, the first ice making and heat supplying unit (60) starts to supplement heat for the heat storage device (30) and the spring ice making tank (100), and the first electric heat pump (80) supplies cold to the outside;
a first valve (1), a third valve (3), a ninth valve (9), a twelfth valve (12), a thirteenth valve (13), a sixteenth valve (16), a seventeenth valve (17), a nineteenth valve (19), a twentieth valve (20), a twenty-fourth valve (24), a twenty-seventh valve (27), a twenty-eighth valve (28) and a thirty-eighth valve (38) are opened, and other valves are all in a closed state;
the backwater of the backwater pipeline (300) enters a second inlet (63) of the first ice-making and heat-supplying unit (60) through a twelfth valve (12), flows out of a second outlet (64) after being cooled and is divided into two paths, the first path enters a second inlet (83) of the first electric heat pump (80) through a twenty-fourth valve (24), flows out of a second outlet (84) after being cooled and is sent into a water supply pipeline (200) through a thirty-eight valve (38), and is cooled externally, the second path enters a first inlet (81) of the first electric heat pump (80) through a third valve (3) and a sixteenth valve (16), flows out of a first outlet (82) after being heated, joins with the backwater through a thirteenth valve (13), enters a second inlet (63) of the first ice-making and heat-supplying unit (60), and is continuously cooled;
at the same time, the user can select the desired position,
the low-temperature cold water flows out from a first inlet and outlet (31) of the heat storage device (30), enters a first inlet (61) of a first ice-making and heat-supplying unit (60) through a seventeenth valve (17) and a nineteenth valve (19), flows out from a first outlet (62) after being heated, and enters a second inlet and outlet (32) of the heat storage device (30) through a ninth valve (9), a twentieth valve (20) and a first valve (1) to store high-temperature hot water;
low-temperature cold water flows out from a second inlet and outlet (102) of the spring ice making tank (100), enters a first inlet (61) of the first ice making and heat supplying unit (60) through a twenty-eighth valve (28) and a nineteenth valve (19), flows out from a first outlet (62) after being heated, and enters a first inlet and outlet (101) of the spring ice making tank (100) through a ninth valve (9), a twentieth valve (20) and a twenty-seventh valve (27) to store high-temperature hot water.
The fourth aspect of the present application provides a summer cooling method, which is implemented by the above energy supply system for making ice in spring, and the initial state before cooling in summer is: in winter, ice slurry or ice-water mixture is filled in the ice making tank, the temperature is 0 ℃, and all valves are in a closed state;
beginning to supply cold in summer, comprising:
the working condition I is as follows: a winter ice making tank cold supply mode;
the eighteenth valve and the twentieth valve are opened, and other valves are in closed states;
the backwater of the backwater pipeline enters the first inlet and outlet of the winter ice making tank through the eighteenth valve, and ice slurry or cold water flows out of the second inlet and outlet through the twentieth valve and is sent to the water supply pipeline for external cooling;
after the ice making tank finishes cold supply in winter, the eighteenth valve and the twentieth valve are both closed.
Optionally, the method further comprises:
working conditions are as follows: the winter ice making tank (40) stores heat and simultaneously supplies cold, the winter ice making tank (40) starts to realize the function of storing heat, the first ice making and heat supplying unit (60) starts to supplement heat for the winter ice making tank (40), and the first electric heat pump (80) supplies cold to the outside;
the third valve (3), the fifth valve (5), the ninth valve (9), the twelfth valve (12), the thirteenth valve (13), the sixteenth valve (16), the twentieth valve (20), the twenty-fourth valve (24) and the thirty-eighth valve (38) are opened, and other valves are all in a closed state;
the backwater of the backwater pipeline (300) enters a second inlet (63) of the first ice-making and heat-supplying unit (60) through a twelfth valve (12), flows out of a second outlet (64) after being cooled and is divided into two paths, the first path enters a second inlet (83) of the first electric heat pump (80) through a twenty-fourth valve (24), flows out of a second outlet (84) after being cooled and is sent into a water supply pipeline (200) through a thirty-eight valve (38), and is cooled externally, the second path enters a first inlet (81) of the first electric heat pump (80) through a third valve (3) and a sixteenth valve (16), flows out of a first outlet (82) after being heated, joins with the backwater through a thirteenth valve (13), enters a second inlet (63) of the first ice-making and heat-supplying unit (60), and is continuously cooled;
at the same time, the user can select the desired position,
the low-temperature cold water flows out from a first inlet and outlet (41) of the winter ice making tank (40), enters a first inlet (61) of a first ice making and heat supplying unit (60) through a fifth valve (5), flows out from a first outlet (62) after being heated, and enters a second inlet and outlet (42) of the winter ice making tank (40) through a ninth valve (9) and a twentieth valve (20) to store high-temperature hot water.
The fifth aspect of the present application provides an energy storage method in autumn, which is implemented by the above energy supply system for making ice in spring, and the initial state before energy storage in autumn is: in winter, the ice making tank is filled with low-temperature cold water, and all valves are in a closed state;
beginning to supplement heat in autumn, comprising:
the fifth valve, the ninth valve and the twentieth valve are opened, and other valves are all in a closed state;
the low-temperature cold water flows out of a first inlet and a first outlet of the winter ice making tank, enters a first inlet of a first ice making and heat supplying unit through a fifth valve, flows out of a first outlet after being heated, and enters a second inlet and a second outlet of the winter ice making tank through a ninth valve and a twentieth valve to store high-temperature hot water;
meanwhile, the first ice-making heat supply unit absorbs heat energy from the environmental heat source device;
and after the heat supplement of the ice making tank is finished in winter, the fifth valve, the ninth valve and the twentieth valve are all closed.
A sixth aspect of the present invention provides a winter heating method implemented by the above-described energy supply system for ice making in spring, wherein the initial state before winter heating is: the heat storage device, the spring ice making tank and the winter ice making tank are all high-temperature hot water, the temperature is 90-95 ℃, and all valves are in a closed state;
heating in winter:
the first valve, the second valve, the fourth valve, the fifth valve, the sixth valve, the seventh valve, the eighth valve, the ninth valve, the tenth valve, the eleventh valve, the sixteenth valve, the seventeenth valve, the twenty-first valve, the twenty-seventh valve and the twenty-eighth valve are opened, and other valves are all in a closed state;
the backwater of the backwater pipeline enters a first inlet of the second ice-making heat supply unit through a tenth valve, flows out of a first outlet after being heated, is sent to a water supply pipeline and supplies heat to the outside;
the water enters a first inlet of the first ice-making heat supply unit through an eighth valve, flows out of a first outlet after being heated, is sent to a water supply pipeline through a ninth valve, and supplies heat to the outside;
the heated gas enters a first inlet of the first electric heating pump through an eleventh valve and a sixteenth valve, flows out of a first outlet after being heated, is sent to a water supply pipeline and supplies heat to the outside;
at the same time, the user can select the desired position,
the high-temperature hot water flows out from the second inlet and outlet of the heat storage device, flows out from the first inlet and outlet of the ice making tank in spring and flows out from the second inlet and outlet of the ice making tank in winter, is converged to enter the second inlet of the second ice making and heat supplying unit through the second valve, flows out from the second outlet after being cooled, then enters the second inlet of the first electric heat pump through the twenty-first valve, and flows out from the second outlet after being cooled to become low-temperature cold water;
the low-temperature cold water is divided into three paths:
the first path enters a first inlet and a first outlet of the heat storage device through a seventeenth valve, is stored in the heat storage device, enters a second inlet and a second outlet of the spring ice making tank through a twenty-eighth valve, and is stored in the spring ice making tank;
the second path enters a third inlet of a second ice-making heat supply unit, and flows out from a third outlet after refrigeration:
the third path enters a second inlet of the first ice-making heat supply unit through a fourth valve, flows out from a second outlet after refrigeration, is converged with the second path after passing through a seventh valve, then enters a first inlet and a first outlet of the winter ice making tank through a sixth valve and a fifth valve, and ice is stored in the winter ice making tank.
According to the technical scheme, the energy supply system for making ice in spring, the spring energy storage method, the summer refrigeration method, the autumn energy storage method and the winter heating method have the following advantages:
the ice making is driven by the waste heat discharged from the electric power plant in spring, and the low-temperature waste heat discharged from the cooling side of the system is recycled, so that the ice made in spring is stored for cooling in summer, and the cooling capacity of the system is increased.
Part of the ice produced can also be sold directly for use in cold chain applications.
Drawings
FIG. 1 is a schematic diagram of an embodiment of an energy supply system for spring ice production;
FIG. 2 is a schematic diagram of an energy supply system for spring ice making according to an embodiment of the present application;
FIG. 3 is a schematic diagram of an embodiment of the present application showing a spring ice supply system;
FIG. 4 is a schematic diagram of an embodiment of the present application showing a spring ice supply system;
fig. 5 is a schematic structural diagram of an energy supply system for ice making in spring according to an embodiment of the present application.
Description of reference numerals: 1. a first valve; 2. a second valve; 3. a third valve; 4. a fourth valve; 5. a fifth valve; 6. a sixth valve; 7. a seventh valve; 8. an eighth valve; 9. a ninth valve; 10. a tenth valve; 11. an eleventh valve; 12. a twelfth valve; 13. a thirteenth valve; 16. a sixteenth valve; 17. a seventeenth valve; 18. an eighteenth valve; 19. a nineteenth valve; 20. a twentieth valve; 21. a twenty-first valve; 22. a second twelfth valve; 23. a twenty-third valve; 24. a twenty-fourth valve; 27. a twenty-seventh valve; 28. a twenty-eighth valve; 29. a twenty-ninth valve; 33. A thirteenth valve; 34. a thirty-fourth valve; 35. a thirty-fifth valve; 36. a thirty-sixth valve; 37. a thirty-seventh valve; 38. a thirty-eighth valve;
30. a heat storage device; 31. a first inlet/outlet; 32. a second inlet/outlet;
40. making ice cans in winter; 41. a first inlet/outlet; 42. a second inlet/outlet;
50. a second ice-making heat-supplying unit; 51. a first inlet; 52. a first outlet; 53. a second inlet; 54. A second outlet; 55. a third inlet; 56. a third outlet;
60. a first ice making and heat supplying unit; 61. a first inlet; 62. a first outlet; 63. a second inlet; 64. A second outlet;
80. a first electric heat pump; 81. a first inlet; 82. a first outlet; 83. a second inlet; 84. a second outlet;
90. a terminal heat exchange station; 901. heat exchange equipment; 91. an inlet; 92. an outlet; 902. an electric refrigerator; 93. an inlet; 94. an outlet;
100. preparing ice cans in spring; 101. a first inlet/outlet; 102. a second inlet/outlet;
110. a second electric heat pump; 111. a first inlet; 112. a first outlet; 113. a second inlet; 114. A second outlet;
200. a water supply line;
300. a water return pipeline.
400. An ambient heat source device; 401. a first inlet; 402. a first outlet;
Detailed Description
The core idea of the application is as follows:
the system is driven by waste heat discharged from a spring power plant, ice is made in spring, low-temperature waste heat discharged from a cooling side of the system is recycled, and the ice made in spring is stored for cooling in summer; and in the process of storing the waste heat discharged during ice making, if the low-temperature heat is directly stored, the low-temperature heat is stored for a long time, which is very uneconomical and needs to be stored at a high temperature. Therefore, the low-temperature heat is divided into two parts, one part enters the heat pump condenser and is lifted to high temperature to be stored in the heat storage device, the other part enters the evaporator of the heat pump for cooling, and then the low-temperature heat is used as water supply of the cooling side of the ice-making heat supply unit. The heat dissipated from the cooling side of the ice-making heat supply unit is transferred to the evaporator side of the electric heating pump to be used as a low-grade heat source, so that the effect that the fluid is stored from low temperature to high temperature is realized.
For a better understanding of the objects, structure and function of the present application, a system and method for supplying ice during spring time will be described in further detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, an embodiment 1 of the present application provides an energy supply system for spring ice making, which includes a heat storage device 30, a first ice making and heat supplying unit 60, a spring ice making tank 100, a water supply pipeline 200, and a water return pipeline 300, wherein media flow through the water supply pipeline 200 and the water return pipeline 300;
the medium is water during heat supply, ice slurry or water during cold supply, and the water supply pipeline 200 and the water return pipeline 300 can be connected to a heating system and an air conditioning system of a user;
the first ice making and heat supplying unit 60 outputs cold/heat energy to the spring ice making tank 100, the spring ice making tank 100 stores the cold/heat energy, the first ice making and heat supplying unit 60 outputs heat energy to the heat storage device 30, the heat storage device 30 stores the heat energy, and the spring ice making tank 100 outputs the cold energy to the outside through the water supply pipe 200.
The thermal storage device 30 functions to: according to the heat matching condition, redundant heat exists in the system and needs to be stored, and the heat storage device 30 is configured to store low-temperature return water or store heat energy.
In one embodiment, the heat storage device 30 includes a first inlet/outlet 31 and a second inlet/outlet 32, the first ice-making and heat-supplying unit 60 includes a first inlet 61, a first outlet 62, a second inlet 63 and a second outlet 64, and the spring ice-making tank 100 includes a first inlet/outlet 101 and a second inlet/outlet 102;
the first inlet/outlet 31 is connected to the first inlet 61, the first inlet/outlet 101 is connected to the second inlet 63 and the water supply line 200, and the second inlet/outlet 102 is connected to the second outlet 64 and the water return line 300.
In one embodiment, the system further comprises a first electrothermal pump 80 and a second electrothermal pump 110, wherein the first electrothermal pump 80 comprises a first inlet 81, a first outlet 82, a second inlet 83 and a second outlet 84, and the second electrothermal pump 110 comprises a first inlet 111, a first outlet 112, a second inlet 113 and a second outlet 114;
the second inlet/outlet 32 is connected to the first outlet 112, the first inlet 61 is also connected to the second outlet 84, and the first outlet 62 is connected to the first inlet 81 and the second inlet 113, respectively;
the first outlet 82 is connected to the first inlet 111, and the second inlet 83 is connected to the second outlet 114.
In one embodiment, the first outlet 82 is further connected to a water return line 300, the second outlet 84 is further connected to a water supply line 200, the second inlet 63 is further connected to the water return line 300 and the first outlet 82, respectively, and the second outlet 64 is further connected to the first inlet 81 and the second inlet 83, respectively;
the first port 31 is also connected to the second port 102, and the second port 32 is also connected to the first outlet 62 and the first port 101, respectively.
The first and second electric heat pumps 80 and 110 are used to store high-temperature hot water into the thermal storage device 30 by using the temperature-raising function of the condenser side and to provide cooling water to the first ice-making and heat-supplying unit 60 by using the cooling function of the evaporator side. Therefore, heat dissipated by the cooling side of the ice-making heat supply unit is transferred to the evaporator side of the electric heating pump to be used as a low-grade heat source, and the effect of storing the fluid from low temperature to high temperature is realized.
In one embodiment, as shown in fig. 4, further comprising a winter ice making tank 40 and a second ice making and heat supplying unit 50, the winter ice making tank 40 comprises a first inlet and outlet 41 and a second inlet and outlet 42, the second ice making and heat supplying unit 50 comprises a first inlet 51, a first outlet 52, a second inlet 53, a second outlet 54, a third inlet 55 and a third outlet 56;
the first inlet/outlet 41 is connected with the return water pipeline 300, the first inlet 61, the second outlet 64 and the third outlet 56 respectively, and the second inlet/outlet 42 is connected with the water supply pipeline 200, the second inlet/outlet 32 and the first inlet/outlet 101 respectively;
the second inlet/outlet port 32 is also connected to a second inlet 53;
the second outlet 54 is connected to the second inlet 83;
the second outlet 84 is also connected to the first inlet/outlet 31, the third inlet 55, and the second inlet 63.
In one embodiment, the water return line 300 is further connected to the first inlet 61, the first inlet 51, and the first inlet 81, respectively, and the water supply line 200 is further connected to the first outlet 82 and the first outlet 52, respectively.
In one embodiment, as shown in fig. 3, further comprising an ambient heat source device 400, the ambient heat source device 400 comprises a first inlet 401, a first outlet 402, the first inlet 401 being connected to the second outlet 64, the first outlet 402 being connected to the second inlet 63.
The environmental heat source apparatus 400 extracts heat from the environment and may be any other type of heat source such as a sink heat, energy tower, air source, water source, ground source, etc.
In one embodiment, as shown in fig. 5, the heat exchanger further includes an end heat exchange station 90, the end heat exchange station 90 includes a heat exchange device 901, the heat exchange device 901 includes an inlet 91 and an outlet 92, the inlet 91 is connected to the water supply line 200, and the outlet 92 is connected to the water return line 300;
the end heat exchange station 90 further comprises an electric refrigerator 902, the electric refrigerator 902 is used for further reducing the return water temperature of the heat supply network in winter, the electric refrigerator 902 comprises an inlet 93 and an outlet 94, the inlet 93 is connected with the outlet 92, and the outlet 94 is connected with the return water pipeline 300.
The function of the end heat exchange station 90 is to release cold or heat to the user. In summer, the chilled water and the cooling water of the electric refrigerator 902 are switched, in winter, the electric refrigerator 902 is used as a heat pump, and in summer, the heat dissipated by a room is absorbed to raise the return water temperature of a heat supply network and send the return water temperature to a heat source end.
In one embodiment, the seventeenth valve 17 is disposed on the first port 31, the nineteenth valve 19 is disposed on the path connecting the first port 61, the twenty-eighth valve 28 is disposed on the path connecting the second port 102, and the second valve 2 is disposed on the path connecting the second port 32 and the second inlet 53;
the first inlet/outlet 41 is provided with a fifth valve 5, a sixth valve 6 is arranged on the path connected with the third outlet 56, an eighteenth valve 18 is arranged on the path connected with the water return pipeline 300, a first valve 1 is arranged on the path connected with the second inlet/outlet 42 and the second inlet/outlet 32, and a twentieth valve 20 is arranged on the path connected with the water supply pipeline 200;
a tenth valve 10 is provided on a path where the first inlet 51 is connected to the return pipe 300, a twenty-first valve 21 is provided on a path where the second outlet 54 is connected to the second inlet 83, and a fourth valve 4 is provided on a path where the third inlet 55 is connected to the second inlet 63.
In one embodiment, an eighth valve 8 is disposed on a path connecting the first inlet 61 to the return line 300, a ninth valve 9 is disposed on a path connecting the first outlet 62 to the water supply line 200, a twentieth valve 22 is disposed on a path connecting the second inlet 63 to the first inlet/outlet 101, a twelfth valve 12 is disposed on a path connecting the return line 300, a seventh valve 7 is disposed on a path connecting the second outlet 64 to the first inlet/outlet 41, and a twenty-third valve 23 is disposed on a path connecting the second inlet/outlet 102.
In one embodiment, a sixteenth valve 16 and an eleventh valve 11 are arranged on a path of the first inlet 81 connected to the water return line 300, a thirteenth valve 13 is arranged on a path of the first outlet 82 connected to the second inlet 63, a twenty-fourth valve 24 is arranged on a path of the second inlet 83 connected to the second outlet 64, a twenty-ninth valve 29 is arranged on a path of the second outlet 84 connected to the first inlet 61, and a thirty-eighth valve 38 is arranged on a path connected to the water supply line 200;
a path connecting point of the second outlet 64 to the first inlet 81 is located between the sixteenth valve 16 and the eleventh valve 11, and the third valve 3 is provided on a connecting path.
In one embodiment, a twenty-fifth valve 25 is arranged on the path of the first inlet/outlet 101 connected with the water supply pipeline 200, and a twenty-sixth valve 26 is arranged on the path of the second inlet/outlet 102 connected with the water return pipeline 300;
a thirty-fourth valve 34 is arranged on a path connecting the first inlet 111 with the first outlet 82, a thirty-fifth valve 35 is arranged on the first outlet 112, a thirty-sixth valve 36 is arranged on the second inlet 113, and a thirty-seventh valve 37 is arranged on the second outlet 114.
Each valve can adopt an electromagnetic valve, and automatic control is conveniently carried out.
In one embodiment, the system includes a plurality of thermal storage devices 30 in series or in parallel, a plurality of spring ice making tanks 100 in series or in parallel, a plurality of winter ice making tanks 40 in series or in parallel;
or the heat storage device 30, the spring ice making tank 100 and the winter ice making tank 40 respectively comprise N small chambers, N is a natural number not less than 2, and the N small chambers are connected in parallel or in series.
In one embodiment, the thermal storage device 30, the spring ice making tank 100, the winter ice making tank 40 are disposed above or below the ground; the form of the spring ice making tank 100 and the winter ice making tank 40 is not limited, and may be a tank, an above-ground or underground structure, a structure, or the like.
The thermal storage device 30, the spring ice making tank 100, and the winter ice making tank 40 in the system are not limited to the 2 interfaces described herein, and the number of the interfaces may be adjusted, and all the interfaces are within the scope of protection as long as the functions of the system are the same as those of the present patent, and may be, for example, greater than 2 interfaces.
The second ice-making and heat-supplying unit 50 is an ice-making machine of a hot water driving type or an ice-making machine of a hot water driving type and an electric compression type; the second ice-making and heat-supplying unit 50 may not make ice but only output cold water.
The driving heat source of the first ice-making and heat-supplying unit 60 may be various residual heats, various fuels, or electricity. The first ice-making and heat-supplying unit 60 may not make ice but only output cold water.
The heat exchange device 901 is a common heat exchanger, or a large temperature difference heat exchanger, or a second-class heat pump heat exchanger.
The winter ice making tank 40 and the spring ice making tank 100 can solve the problem that ice slurry layers form an ice-rich layer after the ice is stored in the large ice storage pond across seasons, so that the ice slurry cannot be conveyed, and can realize uniform and continuous conveying of the ice slurry in the large ice storage pond. Such a structural arrangement may be adopted: the ice storage tank comprises an ice slurry area and a standing area, the bottoms of the ice slurry area and the standing area are mutually communicated, and the ice conveying pipe and the water returning pipe are respectively connected with the ice slurry area and the standing area; further comprising: the stirrer is arranged in the ice slurry area, and the ice taking device is arranged at the upper part of the standing area; the stirrer is used for mixing the solid ice and the water into ice slurry and adjusting the concentration of the ice slurry, and the ice taking device is used for conveying the solid ice in the standing area to the ice slurry area.
The respective constituent devices described above, for example: the internal structures of the heat storage device 30, the second ice-making and heat-supplying unit 50, the first ice-making and heat-supplying unit 60, the first electric heat pump 80, the heat exchanging device 901, the electric refrigerator 902 and the second electric heat pump 110 can refer to the prior art, and are not described in detail here. Each interface on these devices is communicated with a single or multiple functional components inside the devices to realize different functions of heating, cooling, conveying and the like of media, and after understanding the specific structure of the devices, the working principle of the devices can be fully understood by those skilled in the art.
Example 2
The embodiment provides a spring energy storage method, which is implemented by the energy supply system for spring ice making in embodiment 1, and the spring energy storage method in this mode realizes the following functions: the system can make, store and sell ice, and can also store heat.
The initial state before spring energy storage is as follows: the heat storage device 30 and the spring ice making tank 100 are both normal temperature water, and all valves are in a closed state;
beginning to store energy in spring, comprising:
the seventeenth valve 17, the nineteenth valve 19, the twentieth valve 22, the twentieth valve 23, the twenty-ninth valve 29, the thirteenth valve 33, the thirty-fourth valve 34, the thirty-fifth valve 35, the thirty-sixth valve 36 and the thirty-seventh valve 37 are opened, and the other valves are all in a closed state;
the normal temperature water flows out from the first inlet and outlet 101 of the spring ice making tank 100, enters the second inlet 63 of the first ice making and heat supplying unit 60 through the twelfth valve 22, flows out from the second outlet 64 after cooling and ice making, and enters the second inlet and outlet 102 of the spring ice making tank 100 to store ice;
the normal temperature water flows out from the first inlet/outlet 31 of the thermal storage device 30, enters the first inlet 61 of the first ice-making and heat-supplying unit 60 through the seventeenth valve 17 and the nineteenth valve 19, and after the temperature is raised, the water flows out from the first outlet 62 and is divided into two paths:
the first path enters the first inlet 81 of the first electric heat pump 80 through the thirteenth valve 33, flows out from the first outlet 82 after being heated again, enters the first inlet 111 of the second heat pump 110 through the fourteenth valve 34, flows out from the first outlet 112 after being heated again, enters the second inlet 32 of the heat storage device 30 through the fifteenth valve 35 and stores hot water;
the second path enters the second inlet 113 of the second heat pump 110 through the thirteenth valve 33 and the thirty-sixth valve 36, flows out from the second outlet 114 after temperature reduction, enters the second inlet 83 of the first electric heat pump 80 through the seventeenth valve 37, flows out from the second outlet 84 after temperature reduction again, and enters the first inlet 61 of the first ice-making and heat-supplying unit 60 again through the twenty-ninth valve 29.
Example 3
The embodiment provides a summer refrigeration method, which is implemented by the energy supply system for making ice in spring in the embodiment 1, and the summer refrigeration method realizes the following functions in the mode of: the function of cold water supply is realized by the water supply of the heat supply network, and the function of returning the return water at the user position to the system is realized by the return water of the heat supply network. The system can send cold water and ice slurry. (1) The cold energy stored in the ice making tank 100 in spring is released, and the part of cold energy is freely obtained in winter and is used for air conditioner cooling, so that the total energy consumption of cooling can be greatly reduced, and the investment of power generation and installation, power transmission and distribution and the investment of electric refrigeration equipment of a power grid which are independently increased due to the part of cooling are also reduced. When the stored cold is not sufficient to meet the total cold, conventional electric refrigeration can be supplemented to meet the total demand. (2) After the cold energy of the spring ice making tank 100 is released, the first ice making and heat supplying unit 60 absorbs the heat dissipated from the air conditioner of the room, stores the heat in the heat storage device 30 and the spring ice making tank 100 (heat storage in this case), and stores the stored heat until the heating period for supplying heat.
The initial state before cooling in summer is: the ice making tank 100 in spring is ice slurry or ice-water mixture, the temperature is 0 ℃, and all valves are in a closed state;
beginning to supply cold in summer, comprising:
the working condition I is as follows: a spring ice making tank 100 cooling mode;
the twenty-fifth valve 25 and the twenty-sixth valve 26 are opened, and the other valves are in a closed state;
the backwater of the backwater pipeline 300 enters the second inlet and outlet 102 of the ice making tank 100 in spring through the twenty-sixth valve 26, and ice slurry or cold water flows out of the first inlet and outlet 101 through the twenty-fifth valve 25 and is sent to the water supply pipeline 200 to supply cold to the outside;
after the cooling of the ice making tank 100 in spring is finished, the twenty-fifth valve 25 and the twenty-sixth valve 26 are both closed.
In one embodiment, further comprising: working conditions are as follows: the heat storage device 30 and the spring ice making tank 100 store heat and supply cold simultaneously, the heat storage device 30 and the spring ice making tank 100 start to realize a heat storage function, the first ice making and heat supplying unit 60 starts to supplement heat for the heat storage device 30 and the spring ice making tank 100, and the first electric heat pump 80 supplies cold externally;
the first valve 1, the third valve 3, the ninth valve 9, the twelfth valve 12, the thirteenth valve 13, the sixteenth valve 16, the seventeenth valve 17, the nineteenth valve 19, the twentieth valve 20, the twenty fourth valve 24, the twenty seventh valve 27, the twenty eighth valve 28 and the thirty eighth valve 38 are opened, and the other valves are all in a closed state;
the backwater of the backwater pipeline 300 enters the second inlet 63 of the first ice-making heat supply unit 60 through the twelfth valve 12, flows out of the second outlet 64 after being cooled and is divided into two paths, the first path enters the second inlet 83 of the first electric heat pump 80 through the twenty-fourth valve 24, flows out of the second outlet 84 after being cooled, and is sent into the water supply pipeline 200 through the thirty-eighth valve 38, and is used for supplying cold to the outside, the second path enters the first inlet 81 of the first electric heat pump 80 through the third valve 3 and the sixteenth valve 16, flows out of the first outlet 82 after being heated, joins with the backwater through the thirteenth valve 13, enters the second inlet 63 of the first ice-making heat supply unit 60, and is continuously cooled;
at the same time, the user can select the desired position,
the low-temperature cold water flows out from the first inlet/outlet 31 of the heat storage device 30, enters the first inlet 61 of the first ice-making and heat-supplying unit 60 through the seventeenth valve 17 and the nineteenth valve 19, flows out from the first outlet 62 after being heated, and enters the second inlet/outlet 32 of the heat storage device 30 through the ninth valve 9, the twentieth valve 20 and the first valve 1 to store high-temperature hot water;
the low-temperature cold water flows out from the second inlet/outlet 102 of the spring ice making tank 100, enters the first inlet 61 of the first ice making and heat supplying unit 60 through the eighteenth valve 28 and the nineteenth valve 19, flows out from the first outlet 62 after being heated, and enters the first inlet/outlet 101 of the spring ice making tank 100 through the ninth valve 9, the twentieth valve 20 and the twenty-seventh valve 27 to store high-temperature hot water.
The reference value of the water temperature of the low-temperature cold water is 1-10 ℃.
Example 4
The embodiment provides a summer refrigeration method, which is implemented by the energy supply system for making ice in spring in the embodiment 1, and the mode in summer realizes the following functions: the heat supply network supplies water to realize the function of sending cold water, and the heat supply network backwater realizes the function of sending backwater at the user back to the system. The system can send cold water and ice slurry. (1) The cold energy stored in the ice making tank 40 in winter is discharged, and the part of cold energy is freely obtained in winter and is used for air conditioning and cooling, so that the total energy consumption of cooling can be greatly reduced, and the investment of power generation installation, power transmission and distribution and the investment of electric refrigeration equipment of a power grid which are independently increased due to the part of cooling can be reduced. When the cold stored is not sufficient to meet the total cold, conventional electrical refrigeration can be supplemented to meet the total demand. (2) After the cold energy of the winter ice making tank 40 is released, the first ice making and heat supplying unit 60 absorbs the heat dissipated from the air conditioner of the room, stores the heat in the winter ice making tank 40 (heat storage in this case), and stores the stored heat until the heating period for supplying heat.
The initial state before cooling in summer is: in winter, the ice making tank 40 is ice slurry or ice-water mixture, the temperature is 0 ℃, and all valves are in a closed state;
beginning to supply cold in summer, comprising:
the working condition I is as follows: a winter ice making tank 40 cooling mode;
the eighteenth valve 18 and the twentieth valve 20 are opened, and the other valves are in a closed state;
the backwater of the backwater pipeline 300 enters the first inlet and outlet 41 of the winter ice making tank 40 through the eighteenth valve 18, and ice slurry or cold water flows out from the second inlet and outlet 42 through the twentieth valve 20 and is sent to the water supply pipeline 200 to supply cold to the outside;
after the cooling of the ice making tank 40 in winter is finished, the eighteenth valve 18 and the twentieth valve 20 are both closed.
In one embodiment, further comprising: working conditions are as follows: the winter ice making tank 40 stores heat and simultaneously supplies cold to the system, the winter ice making tank 40 starts to realize the heat storage function, the first ice making and heat supplying unit 60 starts to supplement heat for the winter ice making tank 40, and the first electric heat pump 80 supplies cold to the outside;
the third valve 3, the fifth valve 5, the ninth valve 9, the twelfth valve 12, the thirteenth valve 13, the sixteenth valve 16, the twentieth valve 20, the twenty-fourth valve 24 and the thirty-eighth valve 38 are opened, and other valves are in a closed state;
the backwater of the backwater pipeline 300 enters the second inlet 63 of the first ice-making and heat-supplying unit 60 through the twelfth valve 12, flows out from the second outlet 64 after being cooled and is divided into two paths, the first path enters the second inlet 83 of the first electric heat pump 80 through the twenty-fourth valve 24, flows out from the second outlet 84 after being cooled and is sent into the water supply pipeline 200 through the thirty-eighth valve 38, and is used for cooling the outside, the second path enters the first inlet 81 of the first electric heat pump 80 through the third valve 3 and the sixteenth valve 16, flows out from the first outlet 82 after being heated, joins with the backwater through the thirteenth valve 13, enters the second inlet 63 of the first ice-making and heat-supplying unit 60, and is continuously cooled;
at the same time, the user can select the required time,
the low-temperature cold water flows out from the first inlet/outlet 41 of the winter ice making tank 40, enters the first inlet 61 of the first ice making and heat supplying unit 60 through the fifth valve 5, flows out from the first outlet 62 after being heated, and enters the second inlet/outlet 42 of the winter ice making tank 40 through the ninth valve 9 and the twentieth valve 20 to store the high-temperature hot water.
The reference value of the water temperature of the low-temperature cold water is 1-10 ℃.
Example 5
The present embodiment provides an energy storage method in autumn, which is implemented by the energy supply system for making ice in spring in embodiment 1, and the function realized in this mode in autumn is as follows: the system can make, store and sell ice, and can also store heat.
The initial state before autumn energy storage is as follows: the ice making tank 40 is filled with low-temperature cold water in winter, and all valves are in a closed state; the reference value of the water temperature of the low-temperature cold water is 1-10 ℃.
Beginning to supplement heat in autumn, comprising:
the fifth valve 5, the ninth valve 9 and the twentieth valve 20 are opened, and other valves are all in a closed state;
the low-temperature cold water flows out from a first inlet/outlet 41 of the winter ice making tank 40, enters a first inlet 61 of the first ice making and heat supplying unit 60 through the fifth valve 5, flows out from a first outlet 62 after being heated, and enters a second inlet/outlet 42 of the winter ice making tank 40 through the ninth valve 9 and the twentieth valve 20 to store high-temperature hot water;
meanwhile, the first ice-making and heat-supplying unit 60 absorbs heat energy from the ambient heat source device 400;
after the ice making tank 40 finishes heat supplementing in winter, the fifth valve 5, the ninth valve 9 and the twentieth valve 20 are all closed.
Example 6
This example provides a winter heating method implemented by the energy supply system for making ice in spring in example 1, which implements the following functions: the ice making and heat supplying unit is used for deeply extracting phase change heat from water, using waste heat or electricity for driving and the phase change heat extracted from the water for heat supply, simultaneously obtaining free ice slurry or cold water, storing the obtained ice slurry or cold water in an ice making tank 40 in winter (cold storage in the moment), and storing cold energy until cold supply in summer and then using the cold energy for air conditioner cold supply.
The initial state before winter heating is: the heat storage device 30, the spring ice making tank 100 and the winter ice making tank 40 are all high-temperature hot water, the temperature is 90-95 ℃, and all valves are in a closed state;
heating in winter:
a first valve 1, a second valve 2, a fourth valve 4, a fifth valve 5, a sixth valve 6, a seventh valve 7, an eighth valve 8, a ninth valve 9, a tenth valve 10, an eleventh valve 11, a sixteenth valve 16, a seventeenth valve 17, a twenty-first valve 21, a twenty-seventh valve 27 and a twenty-eighth valve 28 are opened, and other valves are all in a closed state;
the backwater in the backwater pipeline 300 enters the first inlet 51 of the second ice-making heat supply unit 50 through the tenth valve 10, and flows out of the first outlet 52 after being heated, and is sent to the water supply pipeline 200 to supply heat to the outside;
enters a first inlet 61 of the first ice-making heat supply unit 60 through an eighth valve 8, flows out of a first outlet 62 after being heated, and is sent to a water supply pipeline 200 through a ninth valve 9 to supply heat to the outside;
enters the first inlet 81 of the first electric heat pump 80 through the eleventh valve 11 and the sixteenth valve 16, is heated, flows out of the first outlet 82 and is sent to the water supply pipeline 200 to supply heat to the outside;
at the same time, the user can select the desired position,
the high-temperature hot water flows out of the second inlet/outlet 32 of the thermal storage device 30, flows out of the first inlet/outlet 101 of the spring ice making tank 100, flows out of the second inlet/outlet 42 of the winter ice making tank 40, joins, enters the second inlet 53 of the second ice making and heat supplying unit 50 through the second valve 2, flows out of the second outlet 54 after being cooled, enters the second inlet 83 of the first electric heat pump 80 through the twenty-first valve 21, and flows out of the second outlet 84 after being cooled to become low-temperature cold water; the reference value of the water temperature of the low-temperature cold water is 1-10 ℃.
The low-temperature cold water is divided into three paths:
the first path enters the first inlet and outlet 31 of the heat storage device 30 through the seventeenth valve 17, is stored in the heat storage device 30, enters the second inlet and outlet 102 of the spring ice making tank 100 through the twenty-eighth valve 28, and is stored in the spring ice making tank 100;
the second path enters a third inlet 55 of the second ice-making and heat-supplying unit 50, and flows out from a third outlet 56 after refrigeration:
the third path enters a second inlet 63 of the first ice-making and heat-supplying unit 60 through a fourth valve 4, flows out from a second outlet 64 after refrigeration, joins the second path after passing through a seventh valve 7, and then enters a first inlet 41 and a first outlet 41 of the winter ice making tank 40 through a sixth valve 6 and a fifth valve 5, so that ice is stored in the winter ice making tank 40.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present disclosure, and the present disclosure should be construed as being covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present application is not intended to be limited to the particular embodiments disclosed herein, but rather to cover all embodiments falling within the scope of the appended claims.

Claims (10)

1. An energy supply system for spring ice making is characterized by comprising a heat storage device (30), a first ice making and heat supplying unit (60), a spring ice making tank (100), a water supply pipeline (200) and a water return pipeline (300), wherein media circulate in the water supply pipeline (200) and the water return pipeline (300);
first ice-making heat supply unit (60) to ice making jar (100) output cold energy/heat energy in spring, ice making jar (100) in spring stores cold energy/heat energy, first ice-making heat supply unit (60) to heat storage device (30) output heat energy, heat storage device (30) are stored heat energy, ice making jar (100) in spring passes through water supply pipeline (200) outwards exports cold energy.
2. An energy supply system for spring ice production according to claim 1, wherein the heat storage device (30) comprises a first inlet and outlet (31) and a second inlet and outlet (32), the first ice making and heat supplying unit (60) comprises a first inlet (61), a first outlet (62), a second inlet (63) and a second outlet (64), and the spring ice making tank (100) comprises a first inlet and outlet (101) and a second inlet and outlet (102);
the first inlet and outlet (31) is connected with the first inlet (61), the first inlet and outlet (101) is respectively connected with the second inlet (63) and the water supply pipeline (200), and the second inlet and outlet (102) is respectively connected with the second outlet (64) and the water return pipeline (300).
3. An energy supply system for making ice in spring as claimed in claim 2, further comprising a first electric heat pump (80), a second electric heat pump (110), said first electric heat pump (80) comprising a first inlet (81), a first outlet (82), a second inlet (83), a second outlet (84), said second electric heat pump (110) comprising a first inlet (111), a first outlet (112), a second inlet (113), a second outlet (114);
the second inlet/outlet (32) is connected with the first outlet (112), the first inlet (61) is also connected with the second outlet (84), and the first outlet (62) is respectively connected with the first inlet (81) and the second inlet (113);
the first outlet (82) is connected to the first inlet (111) and the second inlet (83) is connected to the second outlet (114).
4. An energizing system for ice production in spring according to claim 3, wherein said first outlet (82) is further connected to said water return line (300), said second outlet (84) is further connected to said water supply line (200), said second inlet (63) is further connected to said water return line (300) and said first outlet (82), respectively, and said second outlet (64) is further connected to said first inlet (81) and said second inlet (83), respectively;
the first inlet/outlet (31) is further connected to the second inlet/outlet (102), and the second inlet/outlet (32) is further connected to the first outlet (62) and the first inlet/outlet (101), respectively.
5. Energy supply system for spring ice production according to claim 4, further comprising a winter ice making tank (40), a second ice making and heat supplying unit (50), wherein the winter ice making tank (40) comprises a first inlet and outlet (41), a second inlet and outlet (42), and the second ice making and heat supplying unit (50) comprises a first inlet (51), a first outlet (52), a second inlet (53), a second outlet (54), a third inlet (55), and a third outlet (56);
the first inlet and outlet (41) is respectively connected with the water return pipeline (300), the first inlet (61), the second outlet (64) and the third outlet (56), and the second inlet and outlet (42) is respectively connected with the water supply pipeline (200), the second inlet and outlet (32) and the first inlet and outlet (101);
the second inlet/outlet (32) is also connected to the second inlet (53);
the second outlet (54) is connected with the second inlet (83);
the second outlet (84) is also connected to the first inlet/outlet (31), the third inlet (55), and the second inlet (63);
the water return pipeline (300) is further connected with the first inlet (61), the first inlet (51) and the first inlet (81) respectively, and the water supply pipeline (200) is further connected with the first outlet (82) and the first outlet (52) respectively;
further comprising an ambient heat source device (400), said ambient heat source device (400) comprising a first inlet (401), a first outlet (402), said first inlet (401) being connected to said second outlet (64), said first outlet (402) being connected to said second inlet (63);
the system further comprises a tail end heat exchange station (90), the tail end heat exchange station (90) comprises heat exchange equipment (901), the heat exchange equipment (901) comprises an inlet (91) and an outlet (92), the inlet (91) is connected with the water supply pipeline (200), and the outlet (92) is connected with the water return pipeline (300);
the tail end heat exchange station (90) further comprises an electric refrigerator (902), the electric refrigerator (902) comprises an inlet (93) and an outlet (94), the inlet (93) is connected with the outlet (92), and the outlet (94) is connected with the water return pipeline (300);
a seventeenth valve (17) is arranged on the first inlet/outlet (31), a nineteenth valve (19) is arranged on a path connected with the first inlet/outlet (61), a twenty-eighth valve (28) is arranged on a path connected with the second inlet/outlet (102), and a second valve (2) is arranged on a path connected with the second inlet/outlet (32) and the second inlet/outlet (53);
the first inlet and outlet (41) is provided with a fifth valve (5), a sixth valve (6) is arranged on a path connected with the third outlet (56), an eighteenth valve (18) is arranged on a path connected with the water return pipeline (300), a first valve (1) is arranged on a path connected with the second inlet and outlet (32) through the second inlet and outlet (42), and a twentieth valve (20) is arranged on a path connected with the water supply pipeline (200);
a tenth valve (10) is arranged on a path of the first inlet (51) connected with the water return pipeline (300), a twenty-first valve (21) is arranged on a path of the second outlet (54) connected with the second inlet (83), and a fourth valve (4) is arranged on a path of the third inlet (55) connected with the second inlet (63);
an eighth valve (8) is arranged on a path of the first inlet (61) connected with the water return pipeline (300), a ninth valve (9) is arranged on a path of the first outlet (62) connected with the water supply pipeline (200), a twelfth valve (22) is arranged on a path of the second inlet (63) connected with the first inlet/outlet (101), a twelfth valve (12) is arranged on a path connected with the water return pipeline (300), a seventh valve (7) is arranged on a path of the second outlet (64) connected with the first inlet/outlet (41), and a twentieth valve (23) is arranged on a path connected with the second inlet/outlet (102);
a sixteenth valve (16) and an eleventh valve (11) are arranged on a path of the first inlet (81) connected with the water return pipeline (300), a thirteenth valve (13) is arranged on a path of the first outlet (82) connected with the second inlet (63), a twenty-fourth valve (24) is arranged on a path of the second inlet (83) connected with the second outlet (64), a twenty-ninth valve (29) is arranged on a path of the second outlet (84) connected with the first inlet (61), and a thirty-eighth valve (38) is arranged on a path connected with the water supply pipeline (200);
a path connecting point of the second outlet (64) to the first inlet (81) is located between the sixteenth valve (16) and the eleventh valve (11), and a third valve (3) is provided on a connecting path;
a twenty-fifth valve (25) is arranged on the path of the first inlet and outlet (101) connected with the water supply pipeline (200), and a twenty-sixth valve (26) is arranged on the path of the second inlet and outlet (102) connected with the water return pipeline (300);
a thirty-fourth valve (34) is arranged on a path of the first inlet (111) connected with the first outlet (82), a thirty-fifth valve (35) is arranged on the first outlet (112), a thirty-sixth valve (36) is arranged on the second inlet (113), and a thirty-seventh valve (37) is arranged on the second outlet (114).
6. A spring energy storage method, characterized in that, the energy supply system for ice making in spring according to claim 5 is used, and the initial state before spring energy storage is: the heat storage device (30) and the spring ice making tank (100) are both provided with normal temperature water, and all valves are in a closed state;
beginning to store energy in spring, comprising:
a seventeenth valve (17), a nineteenth valve (19), a twentieth valve (22), a twentieth valve (23), a twenty-ninth valve (29), a thirty-third valve (33), a thirty-fourth valve (34), a thirty-fifth valve (35), a thirty-sixth valve (36) and a thirty-seventh valve (37) are opened, and the other valves are all in a closed state;
the normal temperature water flows out from a first inlet and outlet (101) of the spring ice making tank (100), enters a second inlet (63) of the first ice making and heat supplying unit (60) through a twenty-two valve (22), flows out from a second outlet (64) after being cooled and made ice, and enters a second inlet and outlet (102) of the spring ice making tank (100) to store ice;
the normal temperature water flows out from a first inlet and outlet (31) of the heat storage device (30), enters a first inlet (61) of a first ice-making heat supply unit (60) through a seventeenth valve (17) and a nineteenth valve (19), and flows out from a first outlet (62) after being heated to be divided into two paths:
the first path enters a first inlet (81) of a first electric heat pump (80) through a thirteenth valve (33), flows out from a first outlet (82) after being heated again, enters a first inlet (111) of a second heat pump (110) through a fourteenth valve (34), flows out from a first outlet (112) after being heated again, enters a second inlet and outlet (32) of a heat storage device (30) through a fifteenth valve (35) and stores hot water;
the second path enters a second inlet (113) of the second heat pump (110) through a thirteenth valve (33) and a thirty-sixth valve (36), flows out from a second outlet (114) after temperature reduction, enters a second inlet (83) of the first electric heat pump (80) through a seventeenth valve (37), flows out from a second outlet (84) after temperature reduction again, and enters a first inlet (61) of the first ice-making and heat-supplying unit (60) again through a twenty-ninth valve (29).
7. A summer cooling method implemented by the energy supply system for making ice in spring according to claim 5, wherein the initial state before cooling in summer is: ice slurry or ice-water mixture is filled in the ice making tank (100) in spring, the temperature is 0 ℃, and all valves are in a closed state;
beginning to supply cold in summer, comprising:
the working condition I is as follows: a spring ice making tank (100) cooling mode;
the twenty-fifth valve (25) and the twenty-sixth valve (26) are opened, and the other valves are in closed states;
the backwater of the backwater pipeline (300) enters a second inlet and outlet (102) of the ice making tank (100) in spring through a twenty-sixth valve (26), ice slurry or cold water flows out of the first inlet and outlet (101) through a twenty-fifth valve (25) and is sent to a water supply pipeline (200) to supply cold to the outside;
and after the cooling of the ice making tank (100) in spring is finished, the twenty-fifth valve (25) and the twenty-sixth valve (26) are closed.
8. A summer cooling method implemented by the energy supply system for making ice in spring as claimed in claim 5, wherein the initial state before cooling in summer is: in the winter, ice slurry or ice-water mixture is filled in the ice making tank (40), the temperature is 0 ℃, and all valves are in a closed state;
beginning to supply cold in summer, comprising:
the working condition I is as follows: a winter ice making tank (40) cooling mode;
the eighteenth valve (18) and the twentieth valve (20) are opened, and other valves are in a closed state;
the backwater of the backwater pipeline (300) enters a first inlet and outlet (41) of the winter ice making tank (40) through an eighteenth valve (18), ice slurry or cold water flows out of a second inlet and outlet (42) through a twentieth valve (20) and is sent to a water supply pipeline (200) to supply cold to the outside;
after the ice making tank (40) finishes cooling in winter, the eighteenth valve (18) and the twentieth valve (20) are both closed.
9. An energy storage method in autumn, which is implemented by the energy supply system for ice making in spring as claimed in claim 5, wherein the initial state before energy storage in autumn is as follows: the ice making tank (40) in winter is low-temperature cold water, and all valves are in a closed state;
beginning to supplement heat in autumn, comprising:
the fifth valve (5), the ninth valve (9) and the twentieth valve (20) are opened, and other valves are in closed states;
the low-temperature cold water flows out from a first inlet and outlet (41) of the winter ice making tank (40), enters a first inlet (61) of a first ice making and heat supplying unit (60) through a fifth valve (5), flows out from a first outlet (62) after being heated, and enters a second inlet and outlet (42) of the winter ice making tank (40) through a ninth valve (9) and a twentieth valve (20) to store high-temperature hot water;
meanwhile, the first ice-making and heat-supplying unit (60) absorbs heat energy from the ambient heat source device (400);
after the ice making tank (40) completes heat supplement in winter, the fifth valve (5), the ninth valve (9) and the twentieth valve (20) are all closed.
10. A winter heating method, which is implemented by the energy supply system for ice making in spring according to claim 5, wherein the initial state before winter heating is: the heat storage device (30), the spring ice making tank (100) and the winter ice making tank (40) are all high-temperature hot water, the temperature is 90-95 ℃, and all valves are in a closed state;
heating in winter:
a first valve (1), a second valve (2), a fourth valve (4), a fifth valve (5), a sixth valve (6), a seventh valve (7), an eighth valve (8), a ninth valve (9), a tenth valve (10), an eleventh valve (11), a sixteenth valve (16), a seventeenth valve (17), a twenty-first valve (21), a twenty-seventh valve (27) and a twenty-eighth valve (28) are opened, and other valves are in closed states;
the backwater of the backwater pipeline (300) enters a first inlet (51) of the second ice-making heat supply unit (50) through a tenth valve (10), flows out of a first outlet (52) after being heated, is sent to a water supply pipeline (200) and supplies heat to the outside;
enters a first inlet (61) of a first ice-making heat supply unit (60) through an eighth valve (8), flows out of a first outlet (62) after being heated, is sent into a water supply pipeline (200) through a ninth valve (9) and supplies heat to the outside;
enters a first inlet (81) of a first electric heating pump (80) through an eleventh valve (11) and a sixteenth valve (16), is heated and then flows out of a first outlet (82) to be fed into a water supply pipeline (200) to supply heat to the outside;
at the same time, the user can select the required time,
high-temperature hot water flows out of a second inlet and outlet (32) of the heat storage device (30), flows out of a first inlet and outlet (101) of the spring ice making tank (100), flows out of a second inlet and outlet (42) of the winter ice making tank (40), is converged, enters a second inlet (53) of the second ice making and heat supplying unit (50) through a second valve (2), flows out of a second outlet (54) after being cooled, then enters a second inlet (83) of the first electric heat pump (80) through a twenty-first valve (21), and flows out of a second outlet (84) after being cooled to become low-temperature cold water;
the low-temperature cold water is divided into three paths:
the first path enters a first inlet and outlet (31) of the heat storage device (30) through a seventeenth valve (17), is stored in the heat storage device (30), enters a second inlet and outlet (102) of the spring ice making tank (100) through a twenty-eighth valve (28), and is stored in the spring ice making tank (100);
the second path enters a third inlet (55) of the second ice-making and heat-supplying unit (50), and flows out from a third outlet (56) after refrigeration:
the third path enters a second inlet (63) of the first ice-making and heat-supplying unit (60) through a fourth valve (4), flows out from a second outlet (64) after refrigeration, joins with the second path after passing through a seventh valve (7), then enters a first inlet and a first outlet (41) of the winter ice making tank (40) through a sixth valve (6) and a fifth valve (5), and ice is stored in the winter ice making tank (40).
CN202211190807.7A 2022-09-28 2022-09-28 Energy supply system and method for making ice in spring Active CN115507608B (en)

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Citations (7)

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Publication number Priority date Publication date Assignee Title
CN101793445A (en) * 2009-01-28 2010-08-04 三洋电机株式会社 Refrigerating plant
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KR20120094212A (en) * 2011-02-16 2012-08-24 양인철 Otal production and operating system of cool heat and hot heat
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CN106500399A (en) * 2015-09-08 2017-03-15 吴伟佳 A kind of energy-storage type heat pump or air-conditioning
CN108518773A (en) * 2018-04-03 2018-09-11 中国科学院广州能源研究所 A kind of energy-storage type double-circulating heat pump air-conditioning system
WO2021248289A1 (en) * 2020-06-08 2021-12-16 孙诚刚 Transducing method and system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101793445A (en) * 2009-01-28 2010-08-04 三洋电机株式会社 Refrigerating plant
KR20120094212A (en) * 2011-02-16 2012-08-24 양인철 Otal production and operating system of cool heat and hot heat
CN102147171A (en) * 2011-04-07 2011-08-10 河海大学常州校区 Energy-saving heating and refrigerating integrated system
CN104236129A (en) * 2013-06-21 2014-12-24 中盈长江国际新能源投资有限公司 Double layer cold-hot dual-purpose unsalted solar pond and quarter-crossing energy-storage heating and cooling system
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