CN110513932A - LNG cold energy recycles ice-making system - Google Patents
LNG cold energy recycles ice-making system Download PDFInfo
- Publication number
- CN110513932A CN110513932A CN201910837556.9A CN201910837556A CN110513932A CN 110513932 A CN110513932 A CN 110513932A CN 201910837556 A CN201910837556 A CN 201910837556A CN 110513932 A CN110513932 A CN 110513932A
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- Prior art keywords
- refrigerating medium
- lng
- regulating valve
- ice
- cold energy
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 74
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 238000002309 gasification Methods 0.000 claims abstract description 6
- 238000004064 recycling Methods 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 4
- 239000003949 liquefied natural gas Substances 0.000 description 70
- 239000007789 gas Substances 0.000 description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- F25C2400/00—Auxiliary features or devices for producing, working or handling ice
- F25C2400/10—Refrigerator units
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
This patent is related to a kind of LNG cold energy recycling ice-making system, comprising: LNG fluid reservoir, flowmeter, the first regulating valve, third regulating valve, the second regulating valve, second flowmeter, gasifier, the 5th regulating valve, user's gas net, refrigerating medium heat exchanger, the 4th regulating valve, third flowmeter, refrigerating medium circulating pump, pressure gauge, safety valve, refrigerating medium storage tank, ice machine, pipeline；This design has recycled the cold energy that LNG contains, LNG supply station is solved with unstable, intermittent feature, avoid the case where peak time LNG gasification brings huge cooling capacity to make refrigerating medium cryocoagulation, also the problem of solving with the gas ebb period, can use the cold energy ice making of storage in the insufficient situation of cooling capacity.Different working conditions is met, has special and important role in LNG cold energy recycling field.
Description
Technical field
LNG cold energy refrigeration system device of the present invention more particularly to a kind of LNG cold energy recycle ice-making system.
Background technique
Existing liquefied natural gas (LNG) is storage temperature 110K or so after handling natural gas liquefaction, under pressure 0.1Mpa,
Main component is methane.There was only 1/600 when gaseous state due to its volume, thus LNG is a kind of efficient natural gas storing and fortune
Defeated mode.LNG needs to be gasified before being supplied to gas distributing system rewarming to -20~40 degrees Celsius, and when LNG gasification can release
The cooling capacity put is about 870KJ/kg, and since its storage temperature is very low, cold energy has very high taste.If can make full use of
Cold energy when LNG gasification can economize on resources, and protect environment, greatly avoid the waste of the energy.
LNG cold energy recovery system, LNG are stored in -160 DEG C of fluid reservoir.It must be by LNG before entering user's pipe network
It vaporizes under rewarming to normal temperature state, when LNG vaporization generates a large amount of cooling capacity.Under normal conditions, the refrigerant temperature of ice machine-
10~-18 DEG C or so, therefore it is fully sufficient that LNG vaporization cooling capacity, which is used to make ice,.The patent applied at present is by LNG vapour
Change the cooling capacity generated it is rough be applied to refrigeration or ice making, and not targetedly for complicated operating condition in actual use
Corresponding solution is designed, in other words, overwhelming majority patent only rests on theory stage at present, is not particularly suited for actually making
In.
As can designing a set of system utilized for LNG cold recovery, meet various different operating conditions in actual use,
Mass energy can not only then be saved, moreover it is possible to help to protect environment, reduce pollution, meet the urgent need of current energy crisis.
Summary of the invention
The purpose of the present invention is overcoming defect of the existing technology, provides and a kind of be able to satisfy in actual use various
Different operating conditions, and mass energy can be saved, moreover it is possible to help to protect environment, reduces pollution LNG cold energy and recycle ice-making system.Including
Following content:
A kind of LNG cold energy recycling ice-making system, comprising: LNG fluid reservoir, flowmeter, circulating pump, the first regulating valve, third
Regulating valve, the second regulating valve, second flowmeter, gasifier, the 5th regulating valve, user's gas net, refrigerating medium heat exchanger, the 4th are adjusted
Valve, third flowmeter, circulating pump, pressure gauge, safety valve, refrigerating medium storage tank, ice machine, vacuum line.
The first regulating valve import connection LNG fluid reservoir and circulating pump, two branches of outlet connection.Pass through acquisition first
The data on flows of flowmeter adjusts the working condition of the second regulating valve, can open the second regulating valve with gas peak, makes portion
Divide LNG directly to exchange heat with gasifier, enters operating temperature, be then fed to user.This avoid all LNG in peak period all
It exchanges heat with refrigerating medium, the case where causing refrigerant temperature too low and solidify.Pipeline between LNG storage tank and refrigerating medium heat exchanger
Using vacuum line, it is therefore an objective to reduce leakage heat.
The third regulating valve import is connected with the main line where the first regulating valve, outlet connection refrigerating medium heat exchanger
First entrance.Bypass herein is also connected with second flowmeter for measuring the LNG stream amount on this road.LNG refrigerating medium heat exchanger with
After refrigerating medium heat exchange, refrigerating medium absorbs the cold energy that LNG is contained and is stored in refrigerating medium storage tank under the action of circulating pump, can
Cooling capacity is provided in LNG gas low ebb cooling capacity deficiency to be made ice.
The 4th regulating valve import is connected with refrigerating medium storage tank and circulating pump, and the second of outlet connection refrigerating medium heat exchanger
Outlet.Third flowmeter measures the refrigerating agent flux in this branch, passes through the LNG stream amount phase interworking measured with second flowmeter
It closes, the temperature of refrigerating medium can be regulated and controled, to control the ice-making capacity of ice machine.
After the regulating valve is located at LNG fluid reservoir, occurs closing regulating valve at once when LNG leakage in system, guarantee safety
Property.
Preferably, vacuum heat-insulating pipe is used between the LNG storage tank and refrigerating medium heat exchanger, is reduced a large amount of leakage heat, is subtracted
After few and refrigerating medium heat exchange makes ice the loss of institute's chilling requirement.Vacuum tube can also be substituted for the good pipe of other heat insulation effect
Road.
Preferably, the LNG of the LNG storage tank outflow can be divided into two accesses, and LNG storage tank is pressurizeed by circulating pump and is sent into master
After the LNG of pipeline passes through the first regulating valve, two paths can be divided into, the first access connects after passing through the second regulating valve with gasifier
It connects, user's pipe network is then entered by the 5th regulating valve.Alternate path is connected after passing through third regulating valve with refrigerating medium heat exchanger,
After refrigerating medium heat exchange, into gasifier, user's pipe network is equally entered by the 5th regulating valve after heating.This design can be to avoid
The peak LNG validity period, cooling capacity when alternate path exchanges heat with refrigerating medium is excessive, and refrigerating medium is caused to solidify in heat exchanger.Pass through
The main line LNG stream amount that flow measurement measures can decide whether to need to open the first access.
Preferably, the circulating pump is located in refrigerating medium inlet pipe, provides power for refrigerating medium circulation.The position of circulating pump
It sets in including but not limited to refrigerating medium inlet pipe, is also possible to any position of system refrigerating medium circulation.
Preferably, third regulating valve, second flowmeter are connected on the alternate path, contained LNG passes through refrigerating medium
Heat exchanger and refrigerating medium exchange heat and then flow to after gasifier is handled user's pipe network.With refrigerating medium heat exchanger second entrance,
The connected refrigerating medium circulation ice-making branch road in outlet is connected with third flowmeter, the 4th regulating valve.Pass through third regulating valve and the
The flow of four regulating valves adjustable LNG and refrigerating medium, and then adjust the temperature and ice making efficiency of refrigerating medium.
The refrigerating medium storage tank connects pressure gauge, safety valve.The pressure of refrigerating medium storage tank is measured in real time, if tank internal pressure
Power is more than safety value, then can manually or automatically open the safety-valve and carry out pressure release.
The refrigerating medium circulation ice-making branch, refrigerating medium used are glycol water (concentration 55%) its freezing point
It is -41.1 DEG C, and refrigerating medium can be replaced according to actual needs.
The refrigerating medium circulation ice-making branch, is connected with refrigerating medium storage tank, this device can accumulate cooling capacity, in LNG gas
The low ebb period can use the cooling capacity accumulated in refrigerating medium storage tank and be made ice.
The technical program has the advantage that compared with the existing technology
The cooling capacity generated using LNG vaporization, is exchanged heat, cooling capacity is recycled, and energy has been saved with refrigerating medium
Amount, while fully considering actual use situation, realize multiple-working mode, system when meeting with gas low-valley interval cooling capacity deficiency
Ice demand, while also overcoming and being easy the problem of solidifying refrigerating medium with gas peak period cooling capacity is excessive, and passing through 2 flows
Meter cooperates, and can satisfy different ice making efficiency, whole system equipment is simple, convenient for safeguarding.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the working principle diagram that a kind of LNG cold energy of the invention patent recycles ice-making system.
The corresponding device name of figure label is as follows, LNG fluid reservoir (1), flowmeter (2), the first regulating valve (3), third
Regulating valve (4), second flowmeter (6), gasifier (7), the 5th regulating valve (8), user's gas net (9), carries the second regulating valve (5)
Cryogen heat exchanger (10), the 4th regulating valve (11), third flowmeter (12), circulating pump (13), pressure gauge (14), safety valve
(15), refrigerating medium storage tank (16), ice machine (17), vacuum line (18)
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, following embodiment be explanation of the invention and
The invention is not limited to following embodiments.
Embodiment:
As shown in Figure 1, the present invention provides a kind of LNG cold energy to recycle ice-making system, comprising: LNG fluid reservoir (1), flow
Count (2), the first regulating valve (3), third regulating valve (4), the second regulating valve (5), second flowmeter (6), gasifier (7), the 5th
Regulating valve (8), user's gas net (9), refrigerating medium heat exchanger (10), the 4th regulating valve (11), third flowmeter (12), circulating pump
(13), pressure gauge (14), safety valve (15), refrigerating medium storage tank (16), ice machine (17), vacuum line (18).
(3) import of first regulating valve connects LNG fluid reservoir (1), two branches of outlet connection.By acquiring first flowmeter
(2) data on flows adjusts the working conditions of the second regulating valve (5), can open the second regulating valve (5) with gas peak, makes
Part LNG directly exchanges heat with gasifier (7), enters operating temperature, is then fed to user (9).This avoid peak periods
All LNG exchange heat with refrigerating medium, the case where causing refrigerant temperature too low and solidify.In LNG storage tank and refrigerating medium heat exchanger
(10) pipeline between uses vacuum line (18), it is therefore an objective to reduce leakage heat.
(4) import of third regulating valve is connected with the main line where the first regulating valve (3), outlet connection refrigerating medium heat exchanger
(10) first entrance.Bypass herein is also connected with second flowmeter (6) for measuring the LNG stream amount on this road.LNG is in refrigerating medium
After heat exchanger (10) and refrigerating medium heat exchange, flowed out by the first outlet of refrigerating medium heat exchanger (10), subsequently into gasifier
(7), by gasification, user (9) are finally conveyed to.LNG after refrigerating medium heat exchanger (10) and refrigerating medium heat exchange, inhale by refrigerating medium
It receives the cold energy that LNG is contained and is stored in refrigerating medium storage tank (16) under the action of circulating pump (13), it can be cold with gas low ebb in LNG
Cooling capacity is provided when amount is insufficient to be made ice.
4th regulating valve (11) import is connected with refrigerating medium storage tank (16) and circulating pump (13), outlet connection refrigerating medium heat exchange
The second outlet of device.Third flowmeter (12) measures the refrigerating agent flux in this branch, by measuring with second flowmeter (6)
LNG stream amount cooperate, the temperature of refrigerating medium can be regulated and controled, to control the ice-making capacity of ice machine.
After regulating valve (3) is located at LNG fluid reservoir (1), occurs closing regulating valve at once when LNG leakage in system, guarantee peace
Quan Xing.Vacuum heat-insulating pipe (18) are used between LNG storage tank (1) and refrigerating medium heat exchanger (10), reduces a large amount of leakage heat, reduces it
It exchanges heat afterwards with refrigerating medium and makes ice the loss of institute's chilling requirement.Vacuum tube can also be substituted for the good pipeline of other heat insulation effect.It carries
Pressure gauge (14) and safety valve (15) are installed, if pressure gauge detects that pressure inside the tank is more than critical on cryogen storage tank (16)
Value, then can manually or automatically open the safety-valve.The LNG of LNG storage tank (1) outflow can be divided into two accesses, and LNG storage tank (1) is sent
Enter the LNG of main pipeline by that after the first regulating valve (3), can be divided into two paths, the first access by the second regulating valve (5) afterwards with
Gasifier (7) connection, then enters user's pipe network by the 5th regulating valve (8).Alternate path by third regulating valve (4) afterwards with
Refrigerating medium heat exchanger (10) is connected, and after refrigerating medium heat exchange, into gasifier (7), equally passes through the 5th regulating valve (8) after heating
Into user's pipe network.This design can be to avoid the peak LNG validity period, and cooling capacity when alternate path exchanges heat with refrigerating medium is excessive, makes
It is solidified in heat exchanger at refrigerating medium.The main line LNG stream amount measured by flowmeter (2) can decide whether to need to open
First access.Circulating pump (13) is located in refrigerating medium inlet pipe, provides power for refrigerating medium circulation.The position of circulating pump includes
But it is not limited in refrigerating medium inlet pipe, is also possible to any position of system refrigerating medium circulation.Is connected on alternate path
Three regulating valves (4), second flowmeter (6), contained LNG are exchanged heat and then are passed through by refrigerating medium heat exchanger (10) and refrigerating medium
User's pipe network (9) are flowed to after crossing gasifier (7) processing.With refrigerating medium heat exchanger second entrance, connected refrigerating medium circulation is exported
Ice making branch road is connected with third flowmeter (12), the 4th regulating valve (11).Pass through third regulating valve (4) and the 4th regulating valve
(11) flow of adjustable LNG and refrigerating medium, and then adjust the temperature and ice making efficiency of refrigerating medium.Refrigerating medium storage tank (16) is even
Connect pressure gauge (14), safety valve (15).The pressure of refrigerating medium storage tank (16) is measured in real time, if pressure inside the tank is more than safety
Value, then can manually or automatically open the safety-valve and carry out pressure release.
Refrigerating medium circulation ice-making branch, refrigerating medium used be glycol water (concentration 55%) its freezing point be-
41.1 DEG C, and refrigerating medium can be replaced according to actual needs.Refrigerating medium circulation ice-making branch is connected with refrigerating medium storage tank (16),
This device can accumulate cooling capacity, in LNG with the gas low ebb period, can use the inner cooling capacity accumulated of refrigerating medium storage tank (16) and carry out
Ice making.
This patent provide system, recycled the cold energy that LNG contains, solve LNG supply station have it is unstable,
The characteristics of having a rest property, avoids the case where peak time LNG gasification brings huge cooling capacity to make refrigerating medium cryocoagulation, also solves use
Gas ebb period, the problem of can use the cold energy ice making of storage in the insufficient situation of cooling capacity.Different working conditions is met,
There is special and important role in LNG cold energy recycling field.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different.The equivalent or simple change that all structure, feature and principles described according to the invention patent design are done, is wrapped
It includes in the scope of protection of the patent of the present invention.Those skilled in the art can be to described specific implementation
Example is done various modifications or additions or is substituted in a similar manner, and without departing from structure of the invention or surmounts this
Range as defined in the claims, is within the scope of protection of the invention.
Claims (8)
1. a kind of LNG cold energy recycles ice-making system, it is characterised in that: the LNG cold energy recycling ice-making system includes: LNG storage
Flow container (1), flowmeter (2), the first regulating valve (3), third regulating valve (4), the second regulating valve (5), second flowmeter (6), gas
Change device (7), the 5th regulating valve (8), user's gas net (9), refrigerating medium heat exchanger (10), the 4th regulating valve (11), third flowmeter
(12), circulating pump (13), pressure gauge (14), safety valve (15), refrigerating medium storage tank (16), ice machine (17), vacuum line (18)；
First regulating valve (3) import connects LNG fluid reservoir (1), two branches of outlet connection, by acquiring first flow
The data on flows of (2) is counted to adjust the working condition of the second regulating valve (5), the second regulating valve (5) is being opened with gas peak, is making portion
Divide LNG directly to exchange heat with gasifier (7), enters operating temperature, be then fed to user's gas net (9)；
Third regulating valve (4) import is connected with the main line where the first regulating valve (3), outlet connection refrigerating medium heat exchange
The first entrance of device (10), bypass is also connected with second flowmeter (6) herein, and LNG is in refrigerating medium heat exchanger (10) and refrigerating medium
After heat exchange, refrigerating medium absorbs the cold energy that LNG is contained and is stored in refrigerating medium storage tank (16) under the action of circulating pump (13)；
4th regulating valve (11) import is connected with refrigerating medium storage tank (16) and circulating pump (13), and outlet connection refrigerating medium changes
The second outlet of hot device, third flowmeter (12) measure the refrigerating agent flux in this branch, by measuring with second flowmeter (6)
LNG stream amount out cooperates, and regulates and controls the temperature of refrigerating medium, to control the ice-making capacity of ice machine.
2. LNG cold energy according to claim 1 recycles ice-making system, it is characterised in that: the LNG storage tank (1) and load
Vacuum heat-insulating pipe is used between cryogen heat exchanger (10).
3. LNG cold energy according to claim 1 recycles ice-making system, it is characterised in that: the LNG flowed out from LNG storage tank (1)
It is divided into two accesses, the first access is connect with gasifier (7) afterwards by the second regulating valve (5), then passes through the 5th regulating valve (8)
Into user's pipe network；
Alternate path is connected with refrigerating medium heat exchanger (10) afterwards by third regulating valve (4), after refrigerating medium heat exchange, into gasification
Device (7) equally enters user's pipe network by the 5th regulating valve (8) after heating；
The main line LNG stream amount measured by flowmeter (2) judges whether to need to open the first access.
4. LNG cold energy according to claim 1 recycles ice-making system, it is characterised in that: be connected on the alternate path
Third regulating valve (4), second flowmeter (6), contained LNG exchanged heat by refrigerating medium heat exchanger (10) and refrigerating medium and then
User's pipe network (9) are flowed to after gasifier (7) processing；With refrigerating medium heat exchanger second entrance, exports connected refrigerating medium and follow
Ring ice making branch road is connected with third flowmeter (12), the 4th regulating valve (11)；Pass through third regulating valve (4) and the 4th regulating valve
(11) flow of adjustable LNG and refrigerating medium, and then adjust the temperature and ice making efficiency of refrigerating medium.
5. LNG cold energy according to claim 1 recycles ice-making system, it is characterised in that: the refrigerating medium storage tank (16) is even
Connect pressure gauge (14), safety valve (15), the pressure of refrigerating medium storage tank (16) is measured in real time, when pressure inside the tank be more than safety value,
Then can manually or automatically open the safety-valve (15) progress pressure release.
6. LNG cold energy according to claim 1 recycles ice-making system, it is characterised in that: the setting of the circulating pump (13)
Position includes but is not limited to be also possible to any position of system refrigerating medium circulation in refrigerating medium inlet pipe.
7. LNG cold energy according to claim 4 recycles ice-making system, it is characterised in that: the refrigerating medium circulation ice-making branch
Road, refrigerating medium used are glycol water.
8. LNG cold energy according to claim 1 according to claim 4 recycles ice-making system, it is characterised in that: institute
Refrigerating medium circulation ice-making branch is stated, is connected with refrigerating medium storage tank (16), refrigerating medium storage tank (16) is used for accumulating cooling capacity in LNG
The gas low ebb period is made ice using the inner cooling capacity accumulated of refrigerating medium storage tank (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910837556.9A CN110513932A (en) | 2019-09-05 | 2019-09-05 | LNG cold energy recycles ice-making system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910837556.9A CN110513932A (en) | 2019-09-05 | 2019-09-05 | LNG cold energy recycles ice-making system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110513932A true CN110513932A (en) | 2019-11-29 |
Family
ID=68631013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910837556.9A Pending CN110513932A (en) | 2019-09-05 | 2019-09-05 | LNG cold energy recycles ice-making system |
Country Status (1)
| Country | Link |
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| CN (1) | CN110513932A (en) |
Cited By (3)
| 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 |
| CN113686069A (en) * | 2021-08-31 | 2021-11-23 | 骊阳(广东)节能科技股份有限公司 | LNG cold energy recovery ice making system and method |
| CN115479421A (en) * | 2021-06-15 | 2022-12-16 | 中集安瑞科能源装备（苏州）有限公司 | Operating system for storing, recovering and supplying cold energy |
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| JP2003172561A (en) * | 2001-12-04 | 2003-06-20 | Air Water Inc | Ice-making device |
| JP2008089164A (en) * | 2006-10-05 | 2008-04-17 | Ishikawajima Plant Construction Co Ltd | Lng gasifying apparatus |
| CN102331127A (en) * | 2011-08-23 | 2012-01-25 | 华南理工大学 | Method and device for making ice by using liquefied natural gas cold energy |
| CN103234318A (en) * | 2013-04-12 | 2013-08-07 | 广州华丰能源科技有限公司 | Demisting and ice-making apparatus and method using liquefied natural gas cold energy |
| CN105042972A (en) * | 2015-06-24 | 2015-11-11 | 广州高菱机电工程有限公司 | Sub-cooled water type dynamic ice making system with preheating cold energy recovery mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003172561A (en) * | 2001-12-04 | 2003-06-20 | Air Water Inc | Ice-making device |
| JP2008089164A (en) * | 2006-10-05 | 2008-04-17 | Ishikawajima Plant Construction Co Ltd | Lng gasifying apparatus |
| CN102331127A (en) * | 2011-08-23 | 2012-01-25 | 华南理工大学 | Method and device for making ice by using liquefied natural gas cold energy |
| CN103234318A (en) * | 2013-04-12 | 2013-08-07 | 广州华丰能源科技有限公司 | Demisting and ice-making apparatus and method using liquefied natural gas cold energy |
| CN105042972A (en) * | 2015-06-24 | 2015-11-11 | 广州高菱机电工程有限公司 | Sub-cooled water type dynamic ice making system with preheating cold energy recovery mechanism |
Cited By (4)
| 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 |
| CN115479421A (en) * | 2021-06-15 | 2022-12-16 | 中集安瑞科能源装备（苏州）有限公司 | Operating system for storing, recovering and supplying cold energy |
| CN113686069A (en) * | 2021-08-31 | 2021-11-23 | 骊阳(广东)节能科技股份有限公司 | LNG cold energy recovery ice making system and method |
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Application publication date: 20191129 |