CN110779236A - Heat recovery's ice making system - Google Patents
Heat recovery's ice making system Download PDFInfo
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- CN110779236A CN110779236A CN201911192901.4A CN201911192901A CN110779236A CN 110779236 A CN110779236 A CN 110779236A CN 201911192901 A CN201911192901 A CN 201911192901A CN 110779236 A CN110779236 A CN 110779236A
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- way valve
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- 238000011084 recovery Methods 0.000 title claims abstract description 23
- 238000001179 sorption measurement Methods 0.000 claims abstract description 120
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 239000003507 refrigerant Substances 0.000 claims description 80
- 239000007788 liquid Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000003463 adsorbent Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 14
- 238000005338 heat storage Methods 0.000 claims description 12
- 238000003795 desorption Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 40
- 238000000034 method Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- QOTAEASRCGCJDN-UHFFFAOYSA-N [C].CO Chemical class [C].CO QOTAEASRCGCJDN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- -1 geothermal energy Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/02—Compression-sorption machines, plants, or systems
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention discloses a heat recovery ice making system, which is applied to recovering heat generated by a converter valve and comprises: the heat pump system is connected with the converter valve and used for improving the heat energy grade of the heat generated by the converter valve to obtain high-grade heat energy; and the adsorption type ice making system is connected with the heat pump system and is used for making ice according to the high-grade heat energy. The ice making system provided by the invention effectively absorbs the heat of the converter valve through the heat pump system for recycling, so that the heat is prevented from being directly discharged into the atmosphere, the energy is saved, the heat pump system works on the heat, the heat energy grade is improved, then the heat of the high-grade heat energy drives the adsorption type ice making system to operate, the cold energy is stored for the production of life, and the investment of external cooling equipment of the converter valve and production and living air conditioning equipment is reduced.
Description
Technical Field
The invention relates to the technical field of cooling, in particular to a heat recovery ice making system.
Background
The converter valve components bear larger current and voltage in the operation process, high heat can be generated, and the heat is usually dissipated out through a cooling system, so that the safety and the reliability of the converter station are guaranteed. If the heat is not well dissipated, the junction temperature of components of the converter valve is slightly high, the efficiency of the components is influenced, and the components are damaged, so that the converter station is stopped.
The cooling system that current engineering adopted directly discharges the heat that the converter valve produced to the external environment, causes the very big waste of energy, has reduced certain economic benefits of converter station. In addition, in summer, due to the fact that the temperature of the external environment is high and the converter valve radiates heat outwards, the temperature of a living place is high, air conditioning equipment needs to be configured for refrigerating, and the investment of producing and living air conditioning system equipment is increased.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects that the converter valve heat is directly discharged to the outside to cause energy waste and the investment of equipment for producing and living air conditioning systems is increased in the prior art, thereby providing a heat recovery ice making system.
According to a first aspect, embodiments of the present invention provide a heat recovery ice making system for recovering heat generated by a converter valve, the ice making system comprising: the heat pump system is connected with the converter valve and used for improving the heat energy grade of the heat generated by the converter valve to obtain high-grade heat energy; and the adsorption type ice making system is connected with the heat pump system and is used for making ice according to the high-grade heat energy.
With reference to the first aspect, in a first embodiment of the first aspect, the heat pump system includes: and the heat pump evaporator is connected with the converter valve and used for receiving the water working medium flowing through the converter valve, cooling the water working medium to a preset temperature and then entering the converter valve.
With reference to the first embodiment of the first aspect, in a second embodiment of the first aspect, the heat pump system further includes: the compressor is used for compressing the first refrigerant gas at the outlet of the heat pump evaporator to obtain a compressed first refrigerant gas; the heat pump condenser is used for condensing and liquefying the compressed first refrigerant gas to obtain condensed first refrigerant liquid and the high-grade heat energy; and the heat pump throttling valve is used for carrying out pressure reduction treatment on the condensed first refrigerant liquid to obtain a first refrigerant gas-liquid mixture subjected to pressure reduction, and returning the first refrigerant gas-liquid mixture into the heat pump evaporator.
With reference to the first aspect, the adsorption type ice making system in the third embodiment of the first aspect includes: the system comprises a heat storage box, a first adsorption bed, an ice making condenser, an ice making throttle valve and an ice making evaporator, wherein the heat storage box is used for transmitting a first working medium in the heat storage box to the heat pump condenser and receiving the first working medium heated by high-grade heat energy; the first adsorption bed is provided with an adsorbent which is used for heating the first adsorption bed through the heated first working medium to analyze second refrigerant gas; the ice-making condenser is used for cooling the second refrigerant gas to obtain second refrigerant liquid; the ice-making throttling valve is used for carrying out pressure reduction treatment on the second refrigerant liquid to obtain a second refrigerant gas-liquid mixture after pressure reduction; the ice-making evaporator is used for evaporating the second refrigerant gas-liquid mixture to obtain the evaporated second refrigerant gas, and outputting cold energy to the outside to make ice.
With reference to the third embodiment of the first aspect, in the fourth embodiment of the first aspect, the adsorption type ice making system further includes: and the second adsorption bed is provided with an adsorbent for adsorbing the evaporated second refrigerant gas cooled by air or water.
With reference to the fourth embodiment of the first aspect, in the fifth embodiment of the first aspect, the adsorption type ice making system further includes: and a first port of the converter three-way valve is connected with the first adsorption bed, a second port of the converter three-way valve is connected with the second adsorption bed, a third port of the converter three-way valve is connected with an air source and a water source, and air or water is controlled to enter the adsorption beds by controlling the on-off of the converter three-way valve.
With reference to the fifth embodiment of the first aspect, in the sixth embodiment of the first aspect, the adsorption type ice making system further includes: the first two-way valve is respectively connected with the first adsorption bed and the ice-making condenser, the second two-way valve is respectively connected with the second adsorption bed and the ice-making evaporator, the second refrigerant gas flows to the ice-making condenser through the first two-way valve, and the evaporated second refrigerant gas flows to the second adsorption bed through the second two-way valve for adsorption.
With reference to the fifth embodiment of the first aspect, in the seventh embodiment of the first aspect, the adsorption type ice making system further includes: the third two-way valve is respectively connected with the first adsorption bed and the ice-making condenser, the fourth two-way valve is respectively connected with the second adsorption bed and the ice-making evaporator, the second refrigerant gas flows to the ice-making condenser through the third two-way valve, and the evaporated second refrigerant gas flows to the second adsorption bed through the fourth two-way valve for adsorption.
With reference to the third embodiment of the first aspect, in an eighth embodiment of the first aspect, the adsorption type ice making system further includes: and the second three-way valve and the third three-way valve are used for analyzing the adsorption bed by controlling the on-off of the three-way valves.
With reference to any one of the fourth embodiment to the eighth embodiment of the first aspect, in the ninth embodiment of the first aspect, the first adsorption bed and the second adsorption bed are both alternately desorbed and adsorbed.
The technical scheme of the invention has the following advantages:
the invention provides a heat recovery ice making system, which is applied to recovering heat generated by a converter valve and comprises: the heat pump system is connected with the converter valve and used for improving the heat energy grade of the heat generated by the converter valve to obtain high-grade heat energy; and the adsorption type ice making system is connected with the heat pump system and is used for making ice according to the high-grade heat energy. The ice making system provided by the invention effectively absorbs the heat of the converter valve through the heat pump system for recycling, so that the heat is prevented from being directly discharged into the atmosphere, the energy is saved, the heat pump system works on the heat, the heat energy grade is improved, then the heat of the high-grade heat energy drives the adsorption type ice making system to operate, the cold energy is stored for the production of life, and the investment of external cooling equipment of the converter valve and production and living air conditioning equipment is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a diagram of one embodiment of an ice-making system with heat recovery in an embodiment of the present invention;
fig. 2 is a diagram showing a specific example of a heat pump system and an adsorption type ice making system according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the present embodiment provides a heat recovery ice making system 100 for recovering heat generated from a converter valve 30, the heat recovery ice making system 100 including: converter valve inner cooling circuit, converter valve heat recovery heat pump system circuit and absorption formula ice-making circuit include:
the heat pump system 10 is connected to the converter valve 30, and is configured to perform grade upgrading on heat generated by the converter valve 30 to obtain high-grade heat energy.
Illustratively, the high-grade heat energy refers to heat energy which is easy to use, such as heat energy released by coal combustion, the low-grade heat energy refers to heat energy which is difficult to use, such as seawater, geothermal energy, waste heat discharged by industry, and the like, and the heat pump system 10 is a system which can obtain the low-grade heat energy and provide the high-grade heat energy which can be used by people through electric energy work.
And the adsorption type ice making system 20 is connected with the heat pump system 10 and is used for making ice according to high-grade heat energy.
Illustratively, the high-grade heat energy transmitted by the heat pump system 10 is used as a driving source to drive the adsorption type ice making system 20 to operate, so that the heat generated by the converter valve 30 is effectively utilized, and the energy is saved.
The invention provides a heat recovery ice making system, which is applied to recovering heat generated by a converter valve and comprises: the heat pump system is connected with the converter valve and used for improving the heat energy grade of the heat generated by the converter valve to obtain high-grade heat energy; and the adsorption type ice making system is connected with the heat pump system and is used for making ice according to the high-grade heat energy. The ice making system provided by the invention effectively absorbs the heat of the converter valve through the heat pump system for recycling, so that the heat is prevented from being directly discharged into the atmosphere, the energy is saved, the heat pump system works on the heat, the heat energy grade is improved, then the heat of the high-grade heat energy drives the adsorption type ice making system to operate, the cold energy is stored for the production of life, and the investment of external cooling equipment of the converter valve and production and living air conditioning equipment is reduced.
As an alternative embodiment of the present application, as shown in fig. 2, the heat pump system 10 includes:
and the heat pump evaporator 11 is connected with the converter valve 30 and is used for receiving the water medium flowing through the converter valve 30, cooling the water medium to a preset temperature and then entering the converter valve 30.
Illustratively, a liquid water working medium flows through the converter valve 30, the temperature rises after absorbing heat, the water working medium with the increased temperature enters the heat pump evaporator 11 in the heat pump system 10, and is cooled to a preset temperature and then enters the converter valve 30 through a water pump to realize a cycle, the cycle is a cold loop in the converter valve, and at the moment, the heat generated by the converter valve 30 is absorbed by the heat pump evaporator 11 in the heat pump system 10.
As an alternative embodiment of the present application, as shown in fig. 2, the heat pump system 10 further includes:
the compressor 12 is configured to compress the first refrigerant gas at the outlet of the heat pump evaporator 11 to obtain a compressed first refrigerant gas.
Illustratively, the first refrigerant gas of low pressure and high temperature of the heat pump evaporator 11 is compressed to obtain a compressed first refrigerant gas, and in this case, the gas is the first refrigerant gas of high temperature and high pressure.
The heat pump condenser 13 is configured to condense and liquefy the compressed first refrigerant gas to obtain a condensed first refrigerant liquid and high-grade heat energy.
Illustratively, the compressed high-temperature and high-pressure first refrigerant gas enters the heat pump condenser 13, is condensed into high-pressure and low-temperature first refrigerant liquid, and simultaneously obtains high-grade heat energy for driving the adsorption type ice making system to make ice.
And a heat pump throttle valve 14 for performing pressure reduction processing on the condensed first refrigerant liquid to obtain a first refrigerant gas-liquid mixture after pressure reduction, and returning the first refrigerant gas-liquid mixture to the heat pump evaporator 11.
Illustratively, the condensed high-pressure low-temperature first refrigerant liquid changes the throttle section or the throttle length through the heat pump throttle valve 14 to control the fluid flow rate, so as to achieve the effect of pressure reduction, and the first refrigerant gas-liquid mixture after pressure reduction returns to the heat pump evaporator 11, and then absorbs heat through evaporation, thereby completing a thermodynamic cycle, which is a converter valve heat recovery heat pump system loop.
As an alternative embodiment of the present application, as shown in fig. 2, the adsorption type ice making system 20 includes: a heat storage tank 21, a first adsorption bed, an ice making condenser 22, an ice making throttle valve 23, and an ice making evaporator 24.
The heat storage tank 21 is used for transmitting the first working medium in the heat storage tank 21 to the heat pump condenser 13 and receiving the first working medium heated by high-grade heat energy.
Illustratively, the first working medium in the heat storage tank 21 enters the heat pump condenser 13, and the high-grade heat energy generated in the heat pump condenser 13 heats the first working medium, returns to the heat storage tank after heating, becomes the high-temperature first working medium, and drives the adsorption type ice making system 20 to make ice.
The first adsorption bed is provided with an adsorbent which is used for heating the first adsorption bed through the heated first working medium to analyze out the second refrigerant gas.
Illustratively, the adsorption bed a in the figure is taken as a first adsorption bed, an adsorbent is arranged on the adsorption bed a, a high-temperature first working medium heats the adsorption bed a to analyze out a second refrigerant gas, the temperature of the first working medium is reduced and the first working medium returns to the heat storage tank 21, and the cooled first working medium enters the heat pump condenser 13 to be heated. The solid adsorbent has adsorption effect on certain refrigerant gas, the adsorption capacity is different according to different adsorption temperatures, the adsorbent is required to have stronger adsorption capacity and does not react with the refrigerant gas and other contact media, the adsorbent can be zeolite, activated carbon, silica gel and the like, the refrigerant gas is required to be non-toxic, pollution-free and good in stability, the refrigerant gas can be water, carbon dioxide and the like, usually, the adsorbent-refrigerant is a working medium pair, and the working medium pair can be zeolite-water, silica gel-water, activated carbon-methanol and the like.
The ice-making condenser 22 is configured to cool the second refrigerant gas to obtain a second refrigerant liquid. The specific implementation manner is described in the heat pump condenser 13, and is not described in detail herein.
The ice making throttle valve 23 is used for performing pressure reduction processing on the second refrigerant liquid to obtain a second refrigerant gas-liquid mixture after pressure reduction. The specific implementation manner is described in the heat pump throttle valve 14, and the detailed description is omitted here.
The ice making evaporator 24 is configured to evaporate the second refrigerant gas-liquid mixture to obtain the evaporated second refrigerant gas, and output cold energy to the outside to make ice.
Illustratively, the ice-making evaporator 24 performs evaporative cooling on the second refrigerant gas-liquid mixture to obtain an evaporated second refrigerant gas.
As an alternative embodiment of the present application, as shown in fig. 2, the adsorption type ice making system further includes: a second adsorption bed.
And the second adsorption bed is provided with an adsorbent for adsorbing the evaporated second refrigerant gas cooled by air or water.
For example, the second adsorption bed may be an adsorption bed B in fig. 2, and the evaporated second refrigerant gas generated by the ice-making evaporator 24 flows into the adsorption bed B, and is cooled by air or water to obtain a refrigerant liquid, which is adsorbed by the adsorbent of the adsorption bed B.
As an alternative embodiment of the present application, as shown in fig. 2, the adsorption type ice making system further includes: commutating three-way valve 250.
The first port of the commutation three-way valve 250 is connected with the first adsorption bed, the second port is connected with the second adsorption bed, the third port is connected with an air source and a water source, and air or water is controlled to enter the adsorption beds by controlling the on-off of the commutation three-way valve 250.
Illustratively, when the second port and the third port of the converter three-way valve 250 are controlled to be opened and the first port is controlled to be closed, air or water as a cooling working medium enters the second adsorption bed to cool and adsorb the evaporated second refrigerant gas; when the first port and the third port of the three-way valve 250 are controlled to be opened and the second port is controlled to be closed, air or water as a cooling working medium enters the first adsorption bed to cool and adsorb the evaporated second refrigerant gas. As shown in FIG. 2, the process g is the introduction of air or water into the adsorbent bed A, and the process h is the introduction of air or water into the adsorbent bed B.
As an alternative embodiment of the present application, as shown in fig. 2, the adsorption type ice making system further includes: a first two-way valve 26, a second two-way valve 27.
The first two-way valve 26 is connected to the first adsorption bed and the ice-making condenser 22, the second two-way valve 27 is connected to the second adsorption bed and the ice-making evaporator 24, the second refrigerant gas flows to the ice-making condenser 22 through the first two-way valve 26, and the evaporated second refrigerant gas flows to the second adsorption bed through the second two-way valve 27 for adsorption.
For example, as shown in fig. 2, when the adsorption bed a is desorption and the adsorption bed B is adsorption, the adsorption bed a may be used as a first adsorption bed and the adsorption bed B as a second adsorption bed, the second refrigerant gas flows to the ice-making condenser 22 through the first two-way valve 26, and the evaporated second refrigerant gas flows to the second adsorption bed through the second two-way valve 27.
As an alternative embodiment of the present application, as shown in fig. 2, the adsorption type ice making system 20 further includes: a third two-way valve 28 and a fourth two-way valve 29.
The third two-way valve 28 is connected to the first adsorption bed and the ice-making condenser 22, the fourth two-way valve 29 is connected to the second adsorption bed and the ice-making evaporator 24, the second refrigerant gas flows to the ice-making condenser 22 through the third two-way valve 28, and the evaporated second refrigerant gas flows to the second adsorption bed through the fourth two-way valve 29 for adsorption.
For example, as shown in fig. 2, when the adsorption bed B is desorption and the adsorption bed a is adsorption, the adsorption bed B may be used as a first adsorption bed and the adsorption bed a as a second adsorption bed, the second refrigerant gas flows to the ice-making condenser 22 through the third two-way valve 28, and the evaporated second refrigerant gas flows to the second adsorption bed through the fourth two-way valve 29.
As an alternative embodiment of the present application, as shown in fig. 2, the adsorption type ice making system 20 further includes: the second three-way valve 251 and the third three-way valve 252 are used for analysis by controlling the opening and closing of the three-way valves.
Illustratively, by controlling the second three-way valve 251 and the third three-way valve 252, the adsorbent bed a of fig. 2 is thermally resolved when the heated first working fluid is subjected to the abcd process, and the adsorbent bed B of fig. 2 is thermally resolved when the heated first working fluid is subjected to the aefd process.
As an alternative embodiment of the present application, the first adsorption bed and the second adsorption bed are both alternately desorbing and adsorbing.
Illustratively, as shown in fig. 2, when the adsorption bed a absorbs heat in the desorption state, the adsorption bed B performs adsorption heat release, and when the adsorption bed B absorbs heat in the desorption state, the adsorption bed a performs adsorption heat release, and the adsorption bed a and the adsorption bed B alternately perform desorption and adsorption, so that the ice making system continuously performs ice making, and the continuous ice making circuit is an adsorption type ice making circuit.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A heat recovery ice making system for recovering heat generated by a converter valve, comprising:
the heat pump system is connected with the converter valve and used for improving the heat energy grade of the heat generated by the converter valve to obtain high-grade heat energy;
and the adsorption type ice making system is connected with the heat pump system and is used for making ice according to the high-grade heat energy.
2. The heat recovery ice making system of claim 1, wherein the heat pump system comprises:
and the heat pump evaporator is connected with the converter valve and used for receiving the water working medium flowing through the converter valve, cooling the water working medium to a preset temperature and then entering the converter valve.
3. The heat recovery ice making system of claim 2, wherein the heat pump system further comprises:
the compressor is used for compressing the first refrigerant gas at the outlet of the heat pump evaporator to obtain a compressed first refrigerant gas;
the heat pump condenser is used for condensing and liquefying the compressed first refrigerant gas to obtain condensed first refrigerant liquid and the high-grade heat energy;
and the heat pump throttling valve is used for carrying out pressure reduction treatment on the condensed first refrigerant liquid to obtain a first refrigerant gas-liquid mixture subjected to pressure reduction, and returning the first refrigerant gas-liquid mixture into the heat pump evaporator.
4. The heat recovery ice making system of claim 1, wherein the sorption ice making system comprises: a heat storage box, a first adsorption bed, an ice making condenser, an ice making throttle valve and an ice making evaporator,
the heat storage tank is used for transmitting the first working medium in the heat storage tank to the heat pump condenser and receiving the first working medium heated by the high-grade heat energy;
the first adsorption bed is provided with an adsorbent which is used for heating the first adsorption bed through the heated first working medium to analyze second refrigerant gas;
the ice-making condenser is used for cooling the second refrigerant gas to obtain second refrigerant liquid;
the ice-making throttling valve is used for carrying out pressure reduction treatment on the second refrigerant liquid to obtain a second refrigerant gas-liquid mixture after pressure reduction;
the ice-making evaporator is used for evaporating the second refrigerant gas-liquid mixture to obtain the evaporated second refrigerant gas, and outputting cold energy to the outside to make ice.
5. The heat recovery ice making system of claim 4, further comprising: the second adsorption bed is used for adsorbing the waste water,
and the second adsorption bed is provided with an adsorbent for adsorbing the evaporated second refrigerant gas cooled by air or water.
6. The heat recovery ice making system of claim 5, further comprising: and a first port of the converter three-way valve is connected with the first adsorption bed, a second port of the converter three-way valve is connected with the second adsorption bed, a third port of the converter three-way valve is connected with an air source or a water source, and air or water is controlled to enter the adsorption beds by controlling the on-off of the converter three-way valve.
7. The heat recovery ice making system of claim 6, further comprising: a first two-way valve and a second two-way valve,
the first two-way valve is respectively connected with the first adsorption bed and the ice-making condenser, the second two-way valve is respectively connected with the second adsorption bed and the ice-making evaporator, the second refrigerant gas flows to the ice-making condenser through the first two-way valve, and the evaporated second refrigerant gas flows to the second adsorption bed through the second two-way valve for adsorption.
8. The heat recovery ice making system of claim 6, further comprising: a third two-way valve and a fourth two-way valve,
the third two-way valve is respectively connected with the first adsorption bed and the ice-making condenser, the fourth two-way valve is respectively connected with the second adsorption bed and the ice-making evaporator, the second refrigerant gas flows to the ice-making condenser through the third two-way valve, and the evaporated second refrigerant gas flows to the second adsorption bed through the fourth two-way valve for adsorption.
9. The heat recovery ice making system of claim 4, further comprising: and the second three-way valve and the third three-way valve are used for analyzing the adsorption bed by controlling the on-off of the three-way valves.
10. An ice making system with heat recovery as in any of claims 5-9, wherein said first adsorbent bed and said second adsorbent bed are alternately desorption and adsorption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911192901.4A CN110779236A (en) | 2019-11-28 | 2019-11-28 | Heat recovery's ice making system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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