CN207894080U - A kind of LNG cold energy recycling energy storage ice maker - Google Patents
A kind of LNG cold energy recycling energy storage ice maker Download PDFInfo
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- CN207894080U CN207894080U CN201820175951.6U CN201820175951U CN207894080U CN 207894080 U CN207894080 U CN 207894080U CN 201820175951 U CN201820175951 U CN 201820175951U CN 207894080 U CN207894080 U CN 207894080U
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- refrigerating medium
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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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Abstract
The utility model discloses a kind of LNG cold energy to recycle energy storage ice maker, including the first heat-exchange system, the second heat-exchange system and third heat-exchange system；First heat-exchange system includes LNG storage tank, LNG booster pumps, LNG shut-off valves, LNG regulating valves one, LNG regulating valves two, LNG heat exchangers and the LNG air cooler connected by LNG pipelines；Second heat-exchange system includes refrigerating medium fluid reservoir, refrigerating medium circulating pump, refrigerating medium heat exchanger and the LNG heat exchanger connected by coolant ducts；The third heat-exchange system includes fluid reservoir, liquid circulation pump, ice maker and the refrigerating medium heat exchanger connected by fluid pipeline.Utility model device is simple in structure, each component is concentrated integrally to assemble, and construction cost is low, and resistance is small, easy to maintain, and service life is long；Yield can be automatically adjusted, does not influence the amount of vaporization and air demand of LNG according to gas consumption, cold recovery system；Cold recovery is efficient, strong applicability；System has energy-storage function, is independently automatically adjusted according to load.
Description
Technical field
The utility model is related to LNG cold energy recycles fields, and in particular to a kind of LNG cold energy recycling energy storage ice making dress
It sets.
Background technology
LNG is the abbreviation of liquefied natural gas, be natural gas it is purified, liquefaction made of -162 DEG C of cryogenic liquid mixtures,
It is about 850kWh/t to produce LNG power consumptions.When LNG gasifies under 1atm pressure, -162~5 DEG C of cold is released about
230kWh/t.In the case where being becoming tight energy day, the production and trade of global LNG become more and more active, and are becoming world's oil gas
The new hot spot of industry.As a kind of form of natural gas, LNG solves the problems, such as that gaseous natural gas is unfavorable for transport by sea, more
Come be transported to after more natural gas liquefactions all over the world, to help importer broken away to adjacent energy source state it is excessive according to
Rely.With the progress of resource implemented with technology, the LNG industry in China enters fast-developing period.International Petroleum Price not
Under raised background of breaking, LNG industry is greatly developed in China, helps to realize energy supply diversification, ensures energy security.
Currently, in LNG receiving stations and gasification station, LNG gasification mainly uses seawater or air as heat source, while using and adding
Hot stove is allowed to regasify as supplemental heat source.LNG absorbs the heat of seawater or air, that is, releases cold to seawater or air,
To be gasificated as the natural gas that can be burnt.Not only without the cold energy resource using LNG in traditional gasification, and
Environment is caused potentially to threaten.The country there are also the LNG receiving stations built up, Guangdong roc, Fujian, the ditch of Shanghai five, on
Haiyang Shan Mountain port, Fujian receiving station produces liquid oxygen, liquid nitrogen and liquid argon product using LNG cold energy and other rare gas, Guangdong are big
Roc is evaporated recycling (BOG), cryogenic air separation using LNG cold energy, builds up in " ice and snow big world ".These receiving stations are to LNG
Cold energy recycled, but the problems such as there is technology, region, economy, it is not easy to promote and use.
Existing LNG cold energy retracting device has the following problems：1, cold recovery rate is low；2, cold energy retracting device again often
Complicated, construction cost is high, technology is unstable, difficult in maintenance, service life is short, and 3, by using area and restraint of trade, lead to
It is poor with property, it is difficult to promote；4, volume is big, and quality is big, it is difficult to carry and transport.
Therefore the technology of existing LNG cold energy retracting device has much room for improvement and develops.
Utility model content
The purpose of this utility model be to provide it is a kind of it is simple in structure, volume is relatively small, organic efficiency is high, easy to maintain, fortune
The LNG cold energy recycling energy storage ice maker of defeated convenience, integral type.
To achieve the above object, technical solution used by the utility model is：
A kind of LNG cold energy recycling energy storage ice maker, including the first heat-exchange system, the second heat-exchange system and third heat exchange system
System；
First heat-exchange system includes the LNG storage tank connected by LNG pipelines, LNG booster pumps, LNG shut-off valves, LNG
Regulating valve one, LNG regulating valves two, LNG heat exchangers and LNG air coolers；Liquid LNG is divided into two from LNG storage tank through LNG booster pumps
Road is directly entered LNG air coolers by LNG regulating valves two all the way and is vaporized into gaseous state, and another way is entered by LNG regulating valves one
LNG air coolers are entered back into after the heat exchange of LNG heat exchangers；
Second heat-exchange system includes the refrigerating medium fluid reservoir, refrigerating medium circulating pump, load connected by coolant ducts
Cryogen heat exchanger and LNG heat exchangers；Secondary refrigerant liquid sequentially enters refrigerating medium through refrigerating medium circulating pump from refrigerating medium fluid reservoir and changes
After hot device, the heat exchange of LNG heat exchangers, refrigerating medium fluid reservoir is returned to；
The third heat-exchange system includes fluid reservoir, liquid circulation pump, ice maker and the refrigerating connected by fluid pipeline
Agent heat exchanger；Non-freezing solution body after liquid circulation pump sequentially enters ice maker, the heat exchange of refrigerating medium heat exchanger, returns to storage from fluid reservoir
Flow container；
The ice maker connects water supply pipe, and required various shapes are made by ice maker in the normal-temperature water of water supply pipe
The ice cube of shape.
Compared with prior art, advantage is the utility model：Apparatus structure is simple, and each component is concentrated integrally to fill
Match, construction cost is low, and resistance is small, easy to maintain, and service life is long；It can be automatically adjusted back according to gas consumption, cold recovery system
Receipts amount does not influence the amount of vaporization and air demand of LNG；Cold recovery is efficient, strong applicability；System has energy-storage function, according to
Load independently automatically adjusts.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model LNG cold energy recycling energy storage ice maker；
Reference sign：1-LNG shut-off valves；2-LNG air coolers；3-LNG storage tanks；4-LNG booster pumps；5- refrigerating mediums store up
Flow container；6- refrigerating medium circulating pumps；7-LNG heat exchangers；8- ice makers；9- refrigerating medium heat exchangers；10- fluid reservoirs；11- liquid circulations
Pump；12- regulating valves one；13- regulating valves two；14-LNG pipelines, 15- coolant ducts；16- fluid pipelines.
Specific implementation mode
To keep the purpose of this utility model, technical solution and effect clearer, clear, referring to the drawings and give an actual example
The utility model is further described.The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to
More preferably illustrate that the present embodiment, the certain components of attached drawing have omission, zoom in or out, does not represent the size of actual product；For
For those skilled in the art, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment：
As shown in Figure 1, a kind of LNG cold energy recycles energy storage ice maker, including three sets of heat-exchange systems, it is the first heat exchange respectively
System, the second heat-exchange system and third heat-exchange system.
First heat-exchange system includes the LNG storage tank 3 connected by LNG pipelines 14, LNG booster pumps 4, LNG shut-off valves 1, LNG
Regulating valve 1, LNG regulating valves 2 13, LNG heat exchangers 7, LNG air coolers 2 and LNG pipelines 14.The liquid of first heat-exchange system
LNG is divided into two-way from LNG storage tank 3 through LNG booster pumps 4, and being directly entered LNG air coolers 2 by LNG regulating valves 2 13 all the way vaporizes
At gaseous state；The LNG liquid of another way enters LNG heat exchangers 7 by LNG regulating valves 1, and LNG liquid is changed in LNG heat exchangers 7
LNG air coolers 2 are entered back into after heat is vaporized into gaseous state.
Second heat-exchange system includes the refrigerating medium fluid reservoir 5 connected by coolant ducts 15, refrigerating medium circulating pump 6, carries
Cryogen heat exchanger 9 and LNG heat exchangers 7.The secondary refrigerant liquid of second heat-exchange system sequentially enters refrigerating medium through refrigerating medium circulating pump 6
After heat exchanger 9 and LNG heat exchangers 7 exchange heat, refrigerating medium fluid reservoir 5 is returned to, completes a heat exchange circulation.
Third heat-exchange system includes the fluid reservoir 10 connected by fluid pipeline 16, liquid circulation pump 11, ice maker 8 and carries
Cryogen heat exchanger 9.The non-freezing solution body of third heat-exchange system enters liquid circulation pump 11 from fluid reservoir 10, adds through liquid circulation pump 11
It is pressed into ice maker 8, non-freezing solution body absorbs heat in ice maker, enters back into refrigerating medium heat exchanger 9 and exchanges heat, eventually passes back to
Fluid reservoir 10 completes a heat exchange circulation.
Ice maker connects water supply pipe, and the normal-temperature water of water supply pipe is made required variously-shaped by ice maker
Ice cube.
The LNG cold energy recycling energy storage ice maker of the utility model includes two coolant circulating systems and a set of ice making system
System.LNG storage tank 3 is used for storing LNG, and refrigerating medium fluid reservoir 5 is used for storing low temperature R404A, and fluid reservoir 10 is used for storing low temperature second
Two alcohol solutions.LNG and R404A carries out heat exchange in LNG heat exchangers 7；R404A and ethylene glycol in refrigerating medium heat exchanger 9
Aqueous solution carries out heat exchange；Glycol water carries out heat exchange with tap water in ice maker 8, completes ice making.Detailed process
It is as follows：
LNG in LNG storage tank 3 enters in LNG heat exchangers 7, exchanges heat with high temperature R404A, and temperature increases, using LNG skies
Cooler 2 enters downstream gas distributing system after vaporizing.Low temperature R404A in refrigerating medium fluid reservoir 5 enters in refrigerating medium heat exchanger 9,
It exchanges heat with high temperature glycol aqueous solution, becomes high temperature R404A and enter in LNG heat exchangers 7 to cool down, become low temperature R404A again and return
Refrigerating medium fluid reservoir 5 completes the heat exchange cycle of R404A.Low-temperature glycol aqueous solution in fluid reservoir 10 enters in ice maker 8,
The heat for absorbing the normal-temperature water from grid becomes high temperature glycol aqueous solution and enters in refrigerating medium heat exchanger 9 to cool down, become again
Low-temperature glycol aqueous solution returns to refrigerating medium fluid reservoir 5, completes the heat exchange cycle of glycol water.The room temperature of water supply pipe
Water inputs ice maker 8, exchanges heat with low-temperature glycol aqueous solution, and variously-shaped ice cube is made.
Above-described embodiment simply to illustrate that the utility model technical concepts and features, the purpose is to be to allow this field
Interior those of ordinary skill can understand the content of the utility model and implement according to this, can not limit the utility model with this
Protection domain.The equivalent changes or modifications that every essence according to the utility model content is made, should all cover in this reality
With in novel protection domain.
Claims (1)
1. a kind of LNG cold energy recycles energy storage ice maker, which is characterized in that including the first heat-exchange system, the second heat-exchange system and
Third heat-exchange system；
First heat-exchange system includes that the LNG storage tank connected by LNG pipelines, LNG booster pumps, LNG shut-off valves, LNG are adjusted
Valve one, LNG regulating valves two, LNG heat exchangers and LNG air coolers；Liquid LNG is divided into two-way from LNG storage tank through LNG booster pumps, and one
Road is directly entered LNG air coolers by LNG regulating valves two and is vaporized into gaseous state, and another way enters LNG by LNG regulating valves one and exchanges heat
LNG air coolers are entered back into after device heat exchange；
Second heat-exchange system includes refrigerating medium fluid reservoir, refrigerating medium circulating pump, the refrigerating medium connected by coolant ducts
Heat exchanger and LNG heat exchangers；Secondary refrigerant liquid from refrigerating medium fluid reservoir through refrigerating medium circulating pump sequentially enter refrigerating medium heat exchanger,
After the heat exchange of LNG heat exchangers, refrigerating medium fluid reservoir is returned to；
The third heat-exchange system includes that the fluid reservoir connected by fluid pipeline, liquid circulation pump, ice maker and refrigerating medium change
Hot device；Non-freezing solution body after liquid circulation pump sequentially enters ice maker, the heat exchange of refrigerating medium heat exchanger, returns to liquid storage from fluid reservoir
Tank；
The ice maker connects water supply pipe, and the normal-temperature water of water supply pipe is made required variously-shaped by ice maker
Ice cube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820175951.6U CN207894080U (en) | 2018-01-30 | 2018-01-30 | A kind of LNG cold energy recycling energy storage ice maker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820175951.6U CN207894080U (en) | 2018-01-30 | 2018-01-30 | A kind of LNG cold energy recycling energy storage ice maker |
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| Publication Number | Publication Date |
|---|---|
| CN207894080U true CN207894080U (en) | 2018-09-21 |
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| CN201820175951.6U Active CN207894080U (en) | 2018-01-30 | 2018-01-30 | A kind of LNG cold energy recycling energy storage ice maker |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426113A (en) * | 2020-05-11 | 2020-07-17 | 中国海洋石油集团有限公司 | Flow control method for cold source liquefied natural gas of cold energy supply system |
| CN112303769A (en) * | 2020-11-16 | 2021-02-02 | 安瑞科(蚌埠)压缩机有限公司 | LNG cold energy recycling and storing device |
| CN112594987A (en) * | 2021-01-12 | 2021-04-02 | 重庆派驰节能科技有限责任公司 | LNG cold energy recovery ice making system and method |
| CN112629091A (en) * | 2021-01-12 | 2021-04-09 | 乳山市创新新能源科技有限公司 | LNG cold energy recovery and ice making system |
| CN114608235A (en) * | 2022-03-30 | 2022-06-10 | 青岛双瑞海洋环境工程股份有限公司 | Ice making device for recovering cold energy of marine LNG (liquefied Natural gas) and cold energy recovery system |
-
2018
- 2018-01-30 CN CN201820175951.6U patent/CN207894080U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426113A (en) * | 2020-05-11 | 2020-07-17 | 中国海洋石油集团有限公司 | Flow control method for cold source liquefied natural gas of cold energy supply system |
| CN111426113B (en) * | 2020-05-11 | 2021-09-07 | 中国海洋石油集团有限公司 | Flow control method for cold source liquefied natural gas of cold energy supply system |
| CN112303769A (en) * | 2020-11-16 | 2021-02-02 | 安瑞科(蚌埠)压缩机有限公司 | LNG cold energy recycling and storing device |
| CN112594987A (en) * | 2021-01-12 | 2021-04-02 | 重庆派驰节能科技有限责任公司 | LNG cold energy recovery ice making system and method |
| CN112629091A (en) * | 2021-01-12 | 2021-04-09 | 乳山市创新新能源科技有限公司 | LNG cold energy recovery and ice making system |
| CN114608235A (en) * | 2022-03-30 | 2022-06-10 | 青岛双瑞海洋环境工程股份有限公司 | Ice making device for recovering cold energy of marine LNG (liquefied Natural gas) and cold energy recovery system |
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