CN106948888A - A kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping - Google Patents
A kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping Download PDFInfo
- Publication number
- CN106948888A CN106948888A CN201710151503.2A CN201710151503A CN106948888A CN 106948888 A CN106948888 A CN 106948888A CN 201710151503 A CN201710151503 A CN 201710151503A CN 106948888 A CN106948888 A CN 106948888A
- Authority
- CN
- China
- Prior art keywords
- lng
- condenser
- cold energy
- heat exchanger
- natural gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/18—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids characterised by adaptation for specific use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention belongs to oil-gas storage and Transportation Engineering technical field, and in particular to a kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping.The requirement planned according to China's energy development " 13 ", reduces the discharge of industrial waste gas, and increase clean energy resource proportion shared in energy-consuming becomes particularly important.LNG cold energy has obtained more attention and utilization as a kind of green clean energy resource.A large amount of cold energy are discharged during LNG gasification, it is joined together with the generating process of hydrate, the CO that will can be produced in generating, heating process2Trapping storage, realizes the efficient utilization to energy and the protection to environment.
Description
Technical field
The present invention relates to oil-gas storage and Transportation Engineering technical field, and in particular to one kind is auxiliary using cold energy of liquefied natural gas
The method for helping hydrate carbon to trap.
Background technology
Announced according to National Development and Reform Commission energy development " 13 " planning, China to reduce coal pollution and
The requirement of " coal changes gas " is promoted increasingly to improve, energy consumption structure will more rely on the utilization of natural gas and regenerative resource for counsel.Greatly
The cold energy of amount is resulted from during LNG gasification, not only causes the waste of the energy, also will cause cold pollution, at the same time LNG institutes
The cold energy of carrying has great economic worth.In recent years, CO2The problems such as global warming that isothermal chamber gas triggers, is more and more tighter
Pollutant in weight, air mostlys come from industrial discharge, such as coal-burning boiler, heating boiler, petrochemical plant, steel plant.
Therefore, using clean energy resource to the CO in industrial smoke2Trap and seal the emphasis for becoming energy-saving and emission-reduction place up for safekeeping.
Hydrate carbon capture method has corrosion-free to equipment as a kind of emerging technology, environmentally safe, and energy
Realize trapping and seal the advantage being integrated up for safekeeping.Under conditions of low temperature reaction high pressure is ensured, the pressure of hydrate is formed according to gas
Power is different, can carry out classification trapping to mixed gas in hydrate reaction of formation kettle.
The content of the invention
The present invention is a kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping.Utilize LNG cold energy pair
Flue gas produced by power plant soot generates electricity and burns gas heating boiler is trapped and sealed up for safekeeping, realizes the recycling of LNG cold energy
And CO2Zero-emission, while providing a kind of novel energy-saving method for the generation of hydrate.
Technical solution of the present invention is as follows：The LNG conveyed from LNG satellite stations by LNG pump sequentially passes through the first condenser, second
Condenser, the 3rd condenser, the natural gas after heating are re-introduced into the second turbo-expander and drive the 3rd electrical power generators, through swollen
After swollen acting cooling, a part of natural gas enters pipe network or user；Another part natural gas enters gas turbine generator, discharge
High-temperature flue gas is passed through waste heat boiler and carries out afterburning, and the flue gas of releasing enters the 3rd heat exchanger and exchanged heat with water, and obtained hot water is used for
Heating system inside satellite station；Refrigerant medium is condensed into low-pressure liquid in the first condenser, is then pressurised into height through working medium pump
Enter First Heat Exchanger after hydraulic fluid state, the heat of vaporization that boiler vapor is absorbed in First Heat Exchanger is high-pressure gaseous, the height
State of calming the anger refrigerant medium enters the first turbo-expander, and expansion work step-down is low-pressure gaseous, and the low-pressure gaseous refrigerant medium enters
Enter the first condenser be condensed into again low-pressure liquid continue circulate next time；The vapor produced by boiler enters by superheater
The electrical power generators of Steam Turbine Driven second, during the vapor come out from steam turbine injects boiler by First Heat Exchanger by water pump；
Ethylene glycol solution is injected by eg pump enters the second heat exchanger after the 3rd condenser and choke valve, the water after heat exchange is hydrate
Generation provides low temperature water-bath；The waste gas produced by boiler and the 3rd heat exchanger, by drier, CO2Compressor and the second condensation
After device boosting cooling, the hydrate reaction of formation kettle of vacuum is passed through, data acquisition is finally carried out by pressure and temperature sensor.
The device being related in a kind of method of described utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping, method
Including：LNG satellite stations (1), LNG pump (2), the first condenser (3), working medium pump (4), First Heat Exchanger (5), the first turbine expansion
Machine (6), the first generator (7), water pump (8), boiler (9), superheater (10), steam turbine (11), the second generator (12) is dried
Device (13), the second condenser (14), CO2Compressor (15), valve (16), vavuum pump (17), reactor (18), water-bath (19),
Magnetic stirring apparatus (20), pressure sensor (21), temperature sensor (22), data acquisition unit (23), the 3rd condenser (24), section
Flow valve (25), the second heat exchanger (26), eg pump (27), the second turbo-expander (28), the 3rd generator (29), combustion gas wheel
Generator (30), waste heat boiler (31), the 3rd heat exchanger (32)；
By LNG cold energy in a kind of method of described utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping, method
It is used for vaporization heating expansion flow, for organic rankine cycle system, for cold for a variety of recovery approach, including LNG cold energy
But Steam Power Circulation flow and cryogenic refrigeration heating system, realize the recycling of LNG cold energy.
It is cold used in a kind of method of described utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping, method
Matchmaker's working medium is respectively water and ethylene glycol, it is ensured that chilling temperature prevents Water vapor condensation more than 0 DEG C.
By the second heat exchange in a kind of method of described utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping, method
The water temperature that device (26) comes out is maintained at 2 DEG C (± 0.1 DEG C).
By LNG cold energy in a kind of method of described utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping, method
Freeze for water-bath (19), generated electricity by organic Rankine bottoming cycle and LNG expansion works generate electricity as CO2Compressor (15) is energized, by boiler
(9) and the waste gas that produces of the 3rd heat exchanger (32) by drier (13) after into CO2Compressor (15) and the second condenser
(14), generated into hydrate in experimental provision, finally with CO2The form of hydrate is sealed up for safekeeping in reactor (18), is realized
CO2Zero-emission, reduce generate electricity and heating process in the pollution of the waste gas that produces to environment.
LNG satellite stations in a kind of method of described utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping, method
(1) after the LNG of conveying pressurizes by LNG pump (2), by pipeline successively with the first condenser (3), the second condenser (14), the
Three condensers (24), the second turbo-expander (28) and the connection of the 3rd generator (29), a natural gas part for generation are directly defeated
Gas distributing system or user's connection are delivered to, another part is used for LNG satellite stations and burns gas heating system, formed inside LNG satellite stations
Self-circulation system.
The advantage of invention
Advantages of the present invention：(1) LNG cold energy is combined with the trapping of hydrate carbon, energy is provided for hydrate generation,
Cold is provided for reaction water-bath；(2) LNG cold energy is used for CO2The generation of hydrate, reduces waste gas during generating and heating
Pollution to environment；(3) LNG cold energy is recycled, the natural gas self-loopa inside LNG satellite stations is realized；(4) flow letter
List, raw material economics, reliable operation, easily flexible adjustment, startup；
Brief description of the drawings
Fig. 1 is a kind of method flow schematic diagram of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping of the invention；
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further detail to patent of the present invention：
Patent of the present invention is specifically related to a kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping, from
The LNG of LNG satellite stations conveying sequentially passes through the first condenser, the second condenser, the 3rd condenser, the day after heating by LNG pump
Right gas is re-introduced into the second turbo-expander and drives the 3rd electrical power generators, and after expanded acting cooling, a part of natural gas enters
Enter pipe network or user；Another part natural gas enters gas turbine generator, and the high-temperature flue gas of discharge is passed through waste heat boiler and mended
Combustion, the flue gas of releasing enters the 3rd heat exchanger and exchanged heat with water, and obtained hot water is used for heating system inside satellite station；Refrigerant medium
Low-pressure liquid is condensed into the first condenser, First Heat Exchanger is entered after being then pressurised into high-pressure liquid through working medium pump, the
The heat of vaporization that boiler vapor is absorbed in one heat exchanger is high-pressure gaseous, and it is swollen that the high-pressure gaseous refrigerant working medium enters the first turbine
Swollen machine, expansion work step-down is low-pressure gaseous, and the low-pressure gaseous refrigerant medium is condensed into low pressure liquid again into the first condenser
State continues to circulate next time；The vapor produced by boiler enters the electrical power generators of Steam Turbine Driven second by superheater, from
The vapor that steam turbine comes out is injected in boiler by First Heat Exchanger by water pump；Ethylene glycol solution injects the 3rd by eg pump
Enter the second heat exchanger after condenser and choke valve, the water after heat exchange provides low temperature water-bath for hydrate generation；By boiler and
The waste gas that three heat exchangers are produced, by drier, CO2After compressor and the boosting cooling of the second condenser, the hydration of vacuum is passed through
Thing reaction of formation kettle, finally carries out data acquisition by pressure and temperature sensor.Detailed protocol is as follows, the device bag used
Include：LNG satellite stations (1), LNG pump (2), the first condenser (3), working medium pump (4), First Heat Exchanger (5), the first turbo-expander
(6), the first generator (7), water pump (8), boiler (9), superheater (10), steam turbine (11), the second generator (12), drier
(13), the second condenser (14), CO2Compressor (15), valve (16), vavuum pump (17), reactor (18), water-bath (19), magnetic
Power agitator (20), pressure sensor (21), temperature sensor (22), data acquisition unit (23), the 3rd condenser (24), throttling
Valve (25), the second heat exchanger (26), eg pump (27), the second turbo-expander (28), the 3rd generator (29), combustion gas wheel hair
Motor (30), waste heat boiler (31), the 3rd heat exchanger (32)；It is characterized in that：
By LNG satellite stations (1), LNG pump (2), the first condenser (3), the second condenser (14), the 3rd condenser (24),
The LNG vaporization heating expansion major loop that second turbo-expander (28) and the 3rd generator (29) are constituted, the loop and natural gas
Pipe network or user's connection；
By the first condenser (3), working medium pump (4), First Heat Exchanger (5), the first turbo-expander (6) and the first generator
(7) the organic Rankine bottoming cycle generator unit constituted；
By First Heat Exchanger (5), water pump (8), boiler (9), superheater (10), steam turbine (11) and the second generator (12)
Coal-burning power plant's generator unit of composition；
By boiler (9), the 3rd heat exchanger (32), drier (13), the second condenser (14), CO2Compressor (15), valve
(16), vavuum pump (17), reactor (18), water-bath (19), magnetic stirring apparatus (20), pressure sensor (21), temperature sensor
(22) and data acquisition unit (23) constitute carbon dioxide hydrate generation unit；
By the 3rd condenser (24), choke valve (25), the LNG low temperature that the second heat exchanger (26) and eg pump (27) are constituted
Refrigeration unit；
By LNG satellite stations (1), LNG pump (2), the first condenser (3), the second condenser (14), the 3rd condenser (24),
The burning day that second turbo-expander (28), gas turbine generator (30), waste heat boiler (31) and the 3rd heat exchanger (32) are constituted
Right gas heating unit；
In the system, the annexation of each unit is as follows：
In LNG vaporization heating expansion major loop, LNG satellite stations (1) pass through pipeline after LNG pump (2) pressurization
Successively with the first condenser (3), the second condenser (14), the 3rd condenser (24), the second turbo-expander (28) and the 3rd is sent out
Motor (29) is connected；
In the organic Rankine bottoming cycle generator unit, the first condenser (3) by pipeline successively with working medium pump (4),
One heat exchanger (5), the first turbo-expander (6) and the first generator (7), which connect and return to the first condenser (3), constitutes closing
With water as thermal source in circulation loop, the circulation loop, the first turbo-expander (6) passes through mechanical axis and the first generator (7)
Connection, First Heat Exchanger (5) is connected by another pipeline with coal-burning power plant's high-temperature vapor pipeline；
In coal-burning power plant's generator unit, the vapor produced by boiler (9) enters steamer by superheater (10)
Machine (11) drives the second generator (12) to generate electricity, and the vapor come out from steam turbine (11) passes through First Heat Exchanger (5) by water pump
(8) in injection boiler (9), coal-burning power plant's power generation circuit of closing is constituted；
In the carbon dioxide hydrate generation unit, the waste gas produced by boiler (9) and the 3rd heat exchanger (32) is passed through
Cross drier (13) and enter CO afterwards2Compressor (15) and the second condenser (14), carry out pressure charging temperature reduction operation, by valve to waste gas
(16) control feed liquor, the situation of air inlet and discharge opeing, vavuum pump (17) reactor (18) is vacuumized after by waste gas CO2It is passed through with water
In reactor (18), water-bath (19) controls the temperature of reactor (18) reclaimed water, reacts after starting, is carried out with magnetic stirring apparatus (20)
Stirring, and pressure sensor (21) are used, temperature sensor (22) is to the generating state of carbon dioxide hydrate progress real time data
Collection.
In the LNG cryogenic refrigerations unit, ethylene glycol solution by eg pump (27) inject the 3rd condenser (24) and
Choke valve (25) enters the second heat exchanger (26) afterwards, and the second heat exchanger (26) is connected by another pipeline with low-temperature heat supply water pipe,
Cold bath is provided for hydrate generation unit；
It is described burning natural gas heating unit in, by LNG vaporization heat up expansion major loop produce natural gas, successively with
Gas turbine generator (30), waste heat boiler (31) and the connection of the 3rd heat exchanger (32), the 3rd heat exchanger (32) pass through another pipeline
It is connected with low temperature supplying cold water pipe, meets the heating demands inside LNG satellite stations；
A kind of application method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping of the present invention is as follows：
A kind of method of described utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping, it is characterised in that this hair
It is bright that LNG cold energy is used for a variety of recovery approach, including LNG cold energy for vaporizing heating expansion flow, for organic Rankine bottoming cycle
System, for cooling steam power cycle flow and cryogenic refrigeration heating system, realize the recycling of LNG cold energy.
A kind of method of described utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping, it is characterised in that system
In used refrigerant medium be respectively water and ethylene glycol, it is ensured that chilling temperature prevents Water vapor condensation more than 0 DEG C.
The method of described a kind of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping, it is characterised in that by the
The water temperature that two heat exchangers (26) come out is maintained at 2 DEG C (± 0.1 DEG C)；
The method of described a kind of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping, it is characterised in that by LNG
Cold energy freezes for water-bath (19), is generated electricity by organic Rankine bottoming cycle and LNG expansion works generate electricity as CO2Compressor (15) is energized, by
The waste gas that boiler (9) and the 3rd heat exchanger (32) are produced enters CO after drier (13)2Compressor (15) and the second condensation
Device (14), into hydrate generation experimental provision, finally with CO2The form of hydrate is sealed up for safekeeping in reactor (18), is realized
CO2Zero-emission, reduce generate electricity and heating process in the pollution of the waste gas that produces to environment.
The method of described a kind of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping, it is characterised in that LNG is defended
Star station (1) conveying LNG by LNG pump (2) pressurize after, by pipeline successively with the first condenser (3), the second condenser
(14), the 3rd condenser (24), the second turbo-expander (28) and the connection of the 3rd generator (29), a natural gas part for generation
Gas distributing system or user's connection are fed directly to, another part is used for LNG satellite stations and burns gas heating system, forms LNG satellites
Self-circulation system inside standing.
Claims (6)
1. the device used in a kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping, method includes：LNG
Satellite station (1), LNG pump (2), the first condenser (3), working medium pump (4), First Heat Exchanger (5), the first turbo-expander (6), the
One generator (7), water pump (8), boiler (9), superheater (10), steam turbine (11), the second generator (12), drier (13),
Second condenser (14), CO2Compressor (15), valve (16), vavuum pump (17), reactor (18), water-bath (19), magnetic agitation
Device (20), pressure sensor (21), temperature sensor (22), data acquisition unit (23), the 3rd condenser (24), choke valve
(25), the second heat exchanger (26), eg pump (27), the second turbo-expander (28), the 3rd generator (29), combustion gas wheel generates electricity
Machine (30), waste heat boiler (31), the 3rd heat exchanger (32)；Characterized in that, the LNG of LNG satellite stations (1) conveying passes through LNG pump
(2) pressurize after, by pipeline successively with the first condenser (3), the second condenser (14), the 3rd condenser (24), the second turbine
Expanding machine (28) and the connection of the 3rd generator (29)；First condenser (3) is exchanged heat with working medium pump (4), first successively by pipeline
Device (5), the first turbo-expander (6) and the first generator (7), which connect and return to the first condenser (3), constitutes being recycled back to for closing
With water as thermal source in road, the circulation loop, the first turbo-expander (6) is connected by mechanical axis with the first generator (7), the
One heat exchanger (5) is connected by another pipeline with coal-burning power plant's high-temperature vapor pipeline；The vapor produced by boiler (9) passes through
Superheater (10) enters steam turbine (11) and drives the second generator (12) to generate electricity, and the vapor come out from steam turbine (11) passes through the
One heat exchanger (5) is injected in boiler (9) by water pump (8), constitutes coal-burning power plant's power generation circuit of closing；Ethylene glycol solution is by second two
Alcohol pump (27) injects the 3rd condenser (24) and choke valve (25) and enters the second heat exchanger (26) afterwards, and the second heat exchanger (26) passes through
Another pipeline is connected with low-temperature heat supply water pipe, and cold bath is provided for hydrate generation unit；By boiler (9) and the 3rd heat exchanger
(32) waste gas produced enters CO after drier (13)2Compressor (15) and the second condenser (14), increase to waste gas
Pressure drop temperature is operated, and feed liquor, air inlet and the situation of discharge opeing is controlled by valve (16), after vavuum pump (17) vacuumizes reactor (18)
By waste gas CO2It is passed through in reactor (18), water-bath (19) controls the temperature of reactor (18) reclaimed water, is reacted after starting with water, is used
Magnetic stirring apparatus (20) is stirred, and with pressure sensor (21), life of the temperature sensor (22) to carbon dioxide hydrate
Real-time data acquisition is carried out into situation；Heated up by LNG vaporization and expand the natural gas that major loop is produced, successively with gas turbine generator
(30), waste heat boiler (31) and the connection of the 3rd heat exchanger (32), the 3rd heat exchanger (32) pass through another pipeline and low temperature supplying cold water
Pipe is connected, and meets the heating demands inside LNG satellite stations.
2. a kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping as claimed in claim 1, its feature
It is that LNG cold energy is used for a variety of recovery approach by the present invention, including LNG cold energy is used for vaporization heating expansion flow, for organic
Rankine cycle system, for cooling steam power cycle flow and heating system, realize the recycling of LNG cold energy.
3. a kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping as claimed in claim 1, its feature
It is that used refrigerant medium is respectively water and ethylene glycol in system, it is ensured that chilling temperature prevents vapor more than 0 DEG C
Condense.
4. a kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping as claimed in claim 1, its feature
It is that the water temperature come out by the second heat exchanger (26) is maintained at 2 DEG C (± 0.1 DEG C).
5. a kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping as claimed in claim 1, its feature
It is to be freezed by LNG cold energy for water-bath (19), is generated electricity by organic Rankine bottoming cycle and LNG expansion works generate electricity as CO2Compressor
(15) energize, the waste gas produced by boiler (9) and the 3rd heat exchanger (32) enters CO after drier (13)2Compressor (15)
With the second condenser (14), generated into hydrate in experimental provision, finally with CO2The form of hydrate is sealed up for safekeeping in reactor
(18) in, CO is realized2Zero-emission, reduce generate electricity and heating process in the pollution of the waste gas that produces to environment.
6. a kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping as claimed in claim 1, its feature
Be, LNG satellite stations (1) conveying LNG by LNG pump (2) pressurize after, by pipeline successively with the first condenser (3), second
Condenser (14), the 3rd condenser (24), the second turbo-expander (28) and the connection of the 3rd generator (29), the natural gas of generation
A part is fed directly to gas distributing system or user's connection, and another part is used for LNG satellite stations and burns gas heating system, formed
Self-circulation system inside LNG satellite stations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151503.2A CN106948888A (en) | 2017-03-14 | 2017-03-14 | A kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151503.2A CN106948888A (en) | 2017-03-14 | 2017-03-14 | A kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106948888A true CN106948888A (en) | 2017-07-14 |
Family
ID=59467308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710151503.2A Pending CN106948888A (en) | 2017-03-14 | 2017-03-14 | A kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106948888A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107569981A (en) * | 2017-10-11 | 2018-01-12 | 杨正山 | A kind of coal-burning power plant's flue gas collecting carbonic anhydride coupled biological charcoal preparation technology |
| CN107777747A (en) * | 2017-09-29 | 2018-03-09 | 江苏科技大学 | A kind of LNG cold energy is used to generate electricity and seawater desalination system and its method of comprehensive utilization |
| CN108087050A (en) * | 2017-12-12 | 2018-05-29 | 四川杰瑞恒日天然气工程有限公司 | A kind of system for comprehensively utilizing LNG cold energy generations and cooling |
| CN108579361A (en) * | 2018-05-09 | 2018-09-28 | 常州大学 | Carbon dioxide low energy consumption capturing device in a kind of power plants LNG tail gas |
| CN110469768A (en) * | 2018-05-12 | 2019-11-19 | 中国石油化工股份有限公司 | A kind of CO of LNG cold energy use and hydrate exploitation2Capturing device and its capture method |
| CN112479802A (en) * | 2020-11-16 | 2021-03-12 | 中国石油大学(华东) | Generating system and generating method of propane hydrate |
| CN114753900A (en) * | 2022-03-17 | 2022-07-15 | 中国华能集团清洁能源技术研究院有限公司 | Device and method for providing natural gas by recovering carbon capture energy |
| CN115993070A (en) * | 2023-03-24 | 2023-04-21 | 百穰新能源科技(深圳)有限公司 | Energy storage system and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08209158A (en) * | 1995-02-08 | 1996-08-13 | Osaka Gas Co Ltd | Apparatus for evaporating lng and evaporation |
| CN202215312U (en) * | 2011-08-15 | 2012-05-09 | 北京天成山泉电子科技有限公司 | LNG (liquefied natural gas) cold energy multistage recycling system suitable for ship |
| JP2012149542A (en) * | 2011-01-17 | 2012-08-09 | Mitsubishi Heavy Ind Ltd | Fuel preheating system, gas turbine electric generating system, and fuel preheating method |
| CN102937038A (en) * | 2011-08-15 | 2013-02-20 | 北京天成山泉电子科技有限公司 | Multi-level recovering and comprehensive utilization system of liquefied nature gas (LNG) cold energy and using method thereof |
| CN102943698A (en) * | 2011-08-15 | 2013-02-27 | 北京天成山泉电子科技有限公司 | LNG (Liquefied Natural Gas) cold energy four-stage recycling system and use method thereof |
-
2017
- 2017-03-14 CN CN201710151503.2A patent/CN106948888A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08209158A (en) * | 1995-02-08 | 1996-08-13 | Osaka Gas Co Ltd | Apparatus for evaporating lng and evaporation |
| JP2012149542A (en) * | 2011-01-17 | 2012-08-09 | Mitsubishi Heavy Ind Ltd | Fuel preheating system, gas turbine electric generating system, and fuel preheating method |
| CN202215312U (en) * | 2011-08-15 | 2012-05-09 | 北京天成山泉电子科技有限公司 | LNG (liquefied natural gas) cold energy multistage recycling system suitable for ship |
| CN102937038A (en) * | 2011-08-15 | 2013-02-20 | 北京天成山泉电子科技有限公司 | Multi-level recovering and comprehensive utilization system of liquefied nature gas (LNG) cold energy and using method thereof |
| CN102943698A (en) * | 2011-08-15 | 2013-02-27 | 北京天成山泉电子科技有限公司 | LNG (Liquefied Natural Gas) cold energy four-stage recycling system and use method thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107777747A (en) * | 2017-09-29 | 2018-03-09 | 江苏科技大学 | A kind of LNG cold energy is used to generate electricity and seawater desalination system and its method of comprehensive utilization |
| CN107569981A (en) * | 2017-10-11 | 2018-01-12 | 杨正山 | A kind of coal-burning power plant's flue gas collecting carbonic anhydride coupled biological charcoal preparation technology |
| CN108087050A (en) * | 2017-12-12 | 2018-05-29 | 四川杰瑞恒日天然气工程有限公司 | A kind of system for comprehensively utilizing LNG cold energy generations and cooling |
| CN108579361A (en) * | 2018-05-09 | 2018-09-28 | 常州大学 | Carbon dioxide low energy consumption capturing device in a kind of power plants LNG tail gas |
| CN110469768A (en) * | 2018-05-12 | 2019-11-19 | 中国石油化工股份有限公司 | A kind of CO of LNG cold energy use and hydrate exploitation2Capturing device and its capture method |
| CN112479802A (en) * | 2020-11-16 | 2021-03-12 | 中国石油大学(华东) | Generating system and generating method of propane hydrate |
| CN112479802B (en) * | 2020-11-16 | 2022-05-27 | 中国石油大学(华东) | Generating system and generating method of propane hydrate |
| CN114753900A (en) * | 2022-03-17 | 2022-07-15 | 中国华能集团清洁能源技术研究院有限公司 | Device and method for providing natural gas by recovering carbon capture energy |
| CN114753900B (en) * | 2022-03-17 | 2024-04-30 | 中国华能集团清洁能源技术研究院有限公司 | Device and method for providing natural gas by recycling carbon capture energy |
| CN115993070A (en) * | 2023-03-24 | 2023-04-21 | 百穰新能源科技(深圳)有限公司 | Energy storage system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106948888A (en) | A kind of method of utilization cold energy of liquefied natural gas auxiliary hydrate carbon trapping | |
| CN102575532B (en) | System and method for managing thermal issues in one or more industrial processes | |
| RU2215165C2 (en) | Method of regeneration of heat of exhaust gases in organic energy converter by means of intermediate liquid cycle (versions) and exhaust gas heat regeneration system | |
| CN102226604A (en) | High-temperature vapor heat pump system for generating vapor by utilizing low-grade waste heat | |
| CN102061950B (en) | Device for capturing CO2 from flue gas by ultralow temperature generation joint cryogenic medium-pressure method | |
| RU99128094A (en) | EXHAUST GAS HEAT REGENERATION IN AN ORGANIC ENERGY CONVERTER USING THE INTERMEDIATE LIQUID CYCLE | |
| CN109386316A (en) | A kind of LNG cold energy and BOG Combustion Energy joint utilize system and method | |
| CN107060927A (en) | Waste heat recycling system and its method and power station | |
| CN108386719B (en) | A kind of pipe natural gas pressure energy cold energy comprehensive utilization device and method | |
| CN103089356A (en) | Flash evaporation-double work medium combined power generation device | |
| CN103821571B (en) | A kind of Novel fire force generating system and method for work | |
| CN108252749A (en) | A kind of cold, heat and electricity triple supply method based on SAGD thickened oil recovery UTILIZATION OF VESIDUAL HEAT INs | |
| CN210237656U (en) | Power generation device for recycling waste heat of blast furnace slag flushing water | |
| CN111852601A (en) | LNG cold energy CO2Working medium circulation power generation system and power generation method | |
| CN206801634U (en) | Heat energy utilization system and power station | |
| CN113339696A (en) | Carbon dioxide pressurizing storage device and method | |
| CN110107369B (en) | Method and device for recycling LNG cold energy to generate power by utilizing natural working medium | |
| CN210829420U (en) | LNG cold energy CO2Working medium circulation power generation system | |
| CN216240842U (en) | Low-temperature circulating power generation system using carbon dioxide gas as working medium | |
| CN112041542A (en) | Novel steam engine with working medium for circularly acting | |
| CN103089355B (en) | Steam Rankine-low boiling working fluid Rankine combined cycle generating unit | |
| CN109882292A (en) | A kind of LNG gas turbine coupling cold energy generation system and electricity-generating method | |
| CN109707472A (en) | A kind of distributed energy resource system using dry coke quenching waste heat | |
| CN206360740U (en) | Afterheat generating system and power station | |
| CN112761745B (en) | Hot water energy storage system and method for thermal generator set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170714 |
|
| WD01 | Invention patent application deemed withdrawn after publication |