CN111595075A - Air-cooled direct expansion type supercooled water ice slurry unit - Google Patents
Air-cooled direct expansion type supercooled water ice slurry unit Download PDFInfo
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- CN111595075A CN111595075A CN201910125870.4A CN201910125870A CN111595075A CN 111595075 A CN111595075 A CN 111595075A CN 201910125870 A CN201910125870 A CN 201910125870A CN 111595075 A CN111595075 A CN 111595075A
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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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses an air-cooled direct expansion type supercooled water ice slurry unit which comprises an ice storage tank, a crystal actuator, a supercooler, a gas-liquid heat exchanger, a liquid reservoir, an air-cooled condenser, an oil separator, a temperature transmitter, a compressor, a pressure transmitter, an ice melting electromagnetic valve and a gas-liquid separator.
Description
Technical Field
The invention relates to the field of ice making, in particular to an air-cooled direct expansion type supercooled water ice slurry unit.
Background
The existing air-cooled ice-making machine set is mainly composed of a compressor, an air-cooled condenser, a throttle valve, an evaporator, a water storage tank, a water pump and an ice-taking device, and is a refrigeration mechanical device which cools water by a refrigerant through the evaporator to generate ice.
The principle is that the compressor runs in an electrified state, and refrigerant is subjected to suction, compression, exhaust, condensation (liquefaction), throttling and evaporation in the evaporator at an extremely low temperature. The chilled water condenses into an ice layer on the evaporator surface at very low temperatures. Thereby realizing ice making. But the defect is that the heat transfer temperature difference of the evaporator is large, and the heat transfer temperature difference is generally more than 18 ℃; the energy consumption for ice making is high, and the power consumption of single ton of ice is high.
Disclosure of Invention
The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.
An air-cooled direct expansion type supercooled water ice slurry unit comprises an ice storage tank, a crystal promotion device, a supercooler, a gas-liquid heat exchanger, a liquid reservoir, an air-cooled condenser, an oil separator, a temperature transmitter, a compressor, a pressure transmitter, an ice melting electromagnetic valve and a gas-liquid separator;
an ice outlet of the crystal promoting device is connected with an ice inlet of the ice storage tank through an ice outlet pipe; a cold water outlet of the ice storage tank is connected with a water inlet of the cooler through a pipeline; the cold water outlet of the subcooler is connected with the water inlet of the crystal promoter; the liquid heat exchange medium inlet and outlet of the subcooler are respectively connected with the liquid heat exchange medium outlet and the gas heat exchange medium inlet of the gas-liquid heat exchanger through respective pipelines; the gas outlet of the gas-liquid heat exchanger is connected with the inlet of the gas-liquid separator through a pipeline, the inlet of the liquid reservoir is connected with the liquid outlet of the air-cooled condenser through a pipeline, the inlet of the air-cooled condenser is connected with the outlet of the oil separator through a pipeline, the inlet of the oil separator is connected with the medium outlet of the compressor through a pipeline, the medium inlet of the compressor is connected with the outlet of the gas-liquid separator through a pipeline, and the inlet of the gas-liquid separator is connected with the outlet of the gas-liquid heat exchanger through.
As a further scheme of the invention: and a temperature transmitter and a pressure transmitter are connected in series on a pipeline between the gas-liquid heat exchanger and the gas-liquid separator.
As a further scheme of the invention: and the inlet and outlet pipelines of the compressor are connected in series and provided with pressure transmitters.
As a further scheme of the invention: the outlet of the oil separator is connected with the heat exchange medium inlet of the cooler through a pipeline, and the pipeline is connected with and provided with an ice melting electromagnetic valve.
The invention has the beneficial effects that: the air-cooled direct expansion type supercooled water ice slurry unit adopts a novel electronic pulse valve direct expansion type and regenerative cycle liquid supply system, a refrigerant and water directly carry out evaporation heat exchange, common fresh water is cooled to a liquid supercooled state (-2 ℃) lower than 0 ℃, the evaporation temperature reaches-3 ℃, the heat transfer temperature difference of an evaporator is only 1 ℃, and the energy is saved by more than 40% compared with the traditional air-cooled ice making machine.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
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 only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a flow chart of the ice storage run logic, ice storage shutdown logic, exhaust pressure control logic of the present invention.
FIG. 3 is a flow diagram of the ice melt logic, fault handling logic of the present invention.
In the figure: 1-ice storage tank, 2-crystal promoting device, 3-subcooler, 4-electronic expansion valve, 5-gas-liquid heat exchanger, 6-liquid reservoir, 7-air cooling condenser, 8-oil separator, 9-temperature transmitter, 10-compressor, 11-pressure transmitter, 12-ice melting electromagnetic valve and 13-gas-liquid separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, in the embodiment of the invention, an air-cooled direct expansion type supercooled water ice slurry unit comprises an ice storage tank 1, a crystal promotion device 2, a supercooler 3, a gas-liquid heat exchanger 5, a liquid reservoir 6, an air-cooled condenser 7, an oil separator 8, a temperature transmitter 9, a compressor 10, a pressure transmitter 11, an ice melting electromagnetic valve 12 and a gas-liquid separator 13;
an ice outlet of the crystal promoting device 2 is connected with an ice inlet of the ice storage tank 1 through an ice outlet pipe; a cold water outlet of the ice storage tank 1 is connected with a water inlet of the cooler 3 through a pipeline; a cold water outlet of the subcooler 3 is connected with a water inlet of the crystal promotion device 2; the liquid heat exchange medium inlet and outlet of the subcooler 3 are respectively connected with the liquid heat exchange medium outlet and the gas medium inlet of the gas-liquid heat exchanger 5 through respective pipelines; the liquid medium inlet of the gas-liquid heat exchanger 5 is connected with the outlet of the liquid reservoir 6 through a pipeline, the inlet of the liquid reservoir 6 is connected with the liquid outlet of the air-cooled condenser 7 through a pipeline, the inlet of the air-cooled condenser 7 is connected with the outlet of the oil separator 8 through a pipeline, the inlet of the oil separator 8 is connected with the medium outlet of the compressor 10 through a pipeline, the medium inlet of the compressor 10 is connected with the outlet of the second gas-liquid separator 13 through a pipeline, and the inlet of the gas-liquid separator 13 is connected with the outlet of the gas-liquid heat exchanger 5 through a pipeline.
And a temperature transmitter 9 and a pressure transmitter 11 are connected in series on a pipeline between the gas-liquid heat exchanger 5 and the gas-liquid separator 13.
And the inlet and outlet pipelines of the compressor 10 are connected in series and provided with pressure transmitters.
The outlet of the oil separator 8 is connected with the heat exchange medium inlet of the cooler 3 through a pipeline, and the pipeline is connected with an ice melting electromagnetic valve 12.
The working principle of the invention is as follows: the refrigerating system with the regenerative cycle normally cools the ice making water circulating system under the allocation of the automatic liquid supply system, the system integration control cabinet automatically detects the instantaneous value of the supercooled water outlet temperature sensor, and when the value is lower than-0.2 ℃, the crystal actuator is automatically started to induce the generation of ice crystals, thereby realizing the high-efficiency ice making.
When the numerical value of a system operation feedback flowmeter is lower than a stop set value, the compressor, the air-cooled condenser, the ice making pump and the linkage liquid supply system are automatically closed; and meanwhile, the ice melting electromagnetic valve is opened, high-temperature and high-pressure exhaust gas is preferentially transmitted to the evaporator (the subcooler), the plate of the subcooler is heated, the time delay is 30s, the ice melting electromagnetic valve is closed, the ice making pump is linked to be opened, the time delay is 60s, whether the flow is greater than a starting set value or not is detected, ice storage is automatically opened during positive feedback, ice melting failure is prompted during negative feedback, and the system is switched into a manual ice melting mode.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (2)
1. An air-cooled direct expansion type supercooled water ice slurry unit is characterized by comprising an ice storage tank, a crystal promotion device, a supercooler, a gas-liquid heat exchanger, a liquid reservoir, an air-cooled condenser, an oil separator, a temperature transmitter, a compressor, a pressure transmitter, an ice melting electromagnetic valve and a gas-liquid separator; an ice outlet of the crystal promoting device is connected with an ice inlet of the ice storage tank through an ice outlet pipe; a cold water outlet of the ice storage tank is connected with a water inlet of the cooler through a pipeline; the cold water outlet of the subcooler is connected with the water inlet of the crystal promoter; the liquid heat exchange medium inlet and outlet of the subcooler are respectively connected with the liquid heat exchange medium outlet and the gas heat exchange medium inlet of the gas-liquid heat exchanger through respective pipelines; the gas outlet of the gas-liquid heat exchanger is connected with the inlet of the gas-liquid separator through a pipeline, the inlet of the liquid reservoir is connected with the liquid outlet of the air-cooled condenser through a pipeline, the inlet of the air-cooled condenser is connected with the outlet of the oil separator through a pipeline, the inlet of the oil separator is connected with the medium outlet of the compressor through a pipeline, the medium inlet of the compressor is connected with the outlet of the gas-liquid separator through a pipeline, and the inlet of the gas-liquid separator is connected with the outlet of the gas-liquid heat exchanger through; a temperature transmitter and a pressure transmitter are connected in series on a pipeline between the gas-liquid heat exchanger and the gas-liquid separator; and the inlet and outlet pipelines of the compressor are connected in series and provided with pressure transmitters.
2. The air-cooled direct expansion type supercooled water ice slurry unit according to claim 1, wherein the outlet of the oil separator is further connected with the heat exchange medium inlet of the cooler through a pipeline, and an ice melting electromagnetic valve is installed on the pipeline in a connecting manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125870.4A CN111595075A (en) | 2019-02-20 | 2019-02-20 | Air-cooled direct expansion type supercooled water ice slurry unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125870.4A CN111595075A (en) | 2019-02-20 | 2019-02-20 | Air-cooled direct expansion type supercooled water ice slurry unit |
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| Publication Number | Publication Date |
|---|---|
| CN111595075A true CN111595075A (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910125870.4A Pending CN111595075A (en) | 2019-02-20 | 2019-02-20 | Air-cooled direct expansion type supercooled water ice slurry unit |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006046827A (en) * | 2004-08-05 | 2006-02-16 | Mitsubishi Electric Building Techno Service Co Ltd | Ice heat accumulation system |
| CN1786626A (en) * | 2005-10-31 | 2006-06-14 | 中国科学院广州能源研究所 | Device for continuously fast preparing ice paste or hydrate paste and application thereof |
| CN103185419A (en) * | 2013-04-26 | 2013-07-03 | 周平中 | Ice slurry cold water heat pump unit |
| CN105180543A (en) * | 2015-08-12 | 2015-12-23 | 广州高菱机电工程有限公司 | Super-cooled water type dynamic ice making system provided with cold energy recovery mechanism |
| CN209484908U (en) * | 2019-01-28 | 2019-10-11 | 烟台冰轮节能科技有限公司 | A kind of air-cooled direct-expansion-type supercooled water ice slurry unit |
-
2019
- 2019-02-20 CN CN201910125870.4A patent/CN111595075A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006046827A (en) * | 2004-08-05 | 2006-02-16 | Mitsubishi Electric Building Techno Service Co Ltd | Ice heat accumulation system |
| CN1786626A (en) * | 2005-10-31 | 2006-06-14 | 中国科学院广州能源研究所 | Device for continuously fast preparing ice paste or hydrate paste and application thereof |
| CN103185419A (en) * | 2013-04-26 | 2013-07-03 | 周平中 | Ice slurry cold water heat pump unit |
| CN105180543A (en) * | 2015-08-12 | 2015-12-23 | 广州高菱机电工程有限公司 | Super-cooled water type dynamic ice making system provided with cold energy recovery mechanism |
| CN209484908U (en) * | 2019-01-28 | 2019-10-11 | 烟台冰轮节能科技有限公司 | A kind of air-cooled direct-expansion-type supercooled water ice slurry unit |
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Application publication date: 20200828 |