CN107503812A - LNG energy cascade utilization and data central integral energy supplying system and method - Google Patents

LNG energy cascade utilization and data central integral energy supplying system and method Download PDF

Info

Publication number
CN107503812A
CN107503812A CN201710681065.0A CN201710681065A CN107503812A CN 107503812 A CN107503812 A CN 107503812A CN 201710681065 A CN201710681065 A CN 201710681065A CN 107503812 A CN107503812 A CN 107503812A
Authority
CN
China
Prior art keywords
heat exchanger
lng
energy
generation module
electricity generation
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
Application number
CN201710681065.0A
Other languages
Chinese (zh)
Inventor
朱良松
郑文广
阮炯明
周宇昊
张海珍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huadian Electric Power Research Institute Co Ltd
Original Assignee
Huadian Electric Power Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huadian Electric Power Research Institute Co Ltd filed Critical Huadian Electric Power Research Institute Co Ltd
Priority to CN201710681065.0A priority Critical patent/CN107503812A/en
Publication of CN107503812A publication Critical patent/CN107503812A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00General layout or general methods of operation of complete plants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10Adaptations for driving, or combinations with, electric generators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K17/00Using steam or condensate extracted or exhausted from steam engine plant
    • F01K17/02Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
    • F01K17/025Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic in combination with at least one gas turbine, e.g. a combustion gas turbine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
    • F02C6/18Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20709Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/20836Thermal management, e.g. server temperature control

Abstract

The present invention relates to power system distributed power generation energy supplying system and method, more particularly to LNG energy cascade utilization and data central integral energy supplying system and method.The system includes LNG cold energy uses module, refrigeration module, UTILIZATION OF VESIDUAL HEAT IN module and electricity generation module.The present invention realizes the cascade utilization of LNG cold energy, and is data center's cooling by the cold energy of the generating working medium after generating, and LNG cold energy is comprehensively utilized with electricity generation module, improves generating efficiency, to ensure the safety and stability of data center's power supply and cooling;And power network is changed into stand-by power supply from main power supply source, reduces peak load regulation network pressure, improves the flexibility of peak load regulation network;The low temperature exhaust heat of caused flue gas after generating electricity is taken full advantage of, energy utilization rate is high, has saved the energy;LNG energy cascade utilization and the design of data central integralization, eliminate LNG vaporization hot-water boiler device in the prior art, save the fuel of the part, pollutant discharge amount is few, environmental protection, reducings the construction costs.

Description

LNG energy cascade utilization and data central integral energy supplying system and method
Technical field
The present invention relates to power system distributed power generation energy supplying system and method, more particularly to LNG energy cascade utilization and Data center's integration energy supplying system and method.
Background technology
LNG is liquefied natural gas English Liquefied Natural Gas abbreviation, is a kind of cryogenic liquid mixtures, About 230KWh cold energy can be produced during LNG gasification per ton, rationally can produce good economic benefit using this part cold energy.Tradition LNG Land use systems be that LNG is freezed using part cold energy in gasification using seawater gasification supply user, be empty Gas liquefaction etc., it is restricted by downstream user, and its cold energy can not dissolve completely or utilization rate is relatively low, and cold energy is directly released Certain influence can also be produced to surrounding environment by putting.So how efficient cascade utilization LNG gasification is caused big during NG Cold energy is measured, turns into a technical barrier urgently to be resolved hurrily.
There are the devices such as substantial amounts of server, interchanger and storage device in data center machine room, in order to meet life and work The needs of work, these devices need all to be daily opening, it is necessary to consume huge electric energy, also produce substantial amounts of heat.
2016, country vigorously advocate internet+, this is also the combination of LNG energy cascade utilization and data center's industry Create good development space.
The content of the invention
The present invention is to solve technical problem low to LNG cold energy use rates in the prior art, there is provided a kind of structure design is closed The LNG energy cascade utilization and data central integral energy supplying system and method for reason.
Technical scheme is used by the present invention solves above-mentioned technical problem:
LNG energy cascade utilization and data central integral energy supplying system, the system are connected by immersed pump and LNG storage tank It is logical, including LNG cold energy uses module, refrigeration module, UTILIZATION OF VESIDUAL HEAT IN module and electricity generation module;The LNG cold energy uses module bag Include the First Heat Exchanger using cold energy;The First Heat Exchanger first entrance connection immersed pump outlet;The refrigeration module includes For the second heat exchanger of data center's air conditioner coolant water extraction cooling energy;Second heat exchanger entrance connects the First Heat Exchanger First outlet;Described UTILIZATION OF VESIDUAL HEAT IN module using waste heat the 3rd heat exchanger;The 3rd heat exchanger first entrance connects Lead to second heat exchanger exit;The electricity generation module includes turbine, gas turbine, internal combustion engine, steam turbine and generator In one or more;3rd heat exchanger exit is connected with electricity generation module;The First Heat Exchanger second entrance and hair Electric module is connected, and the First Heat Exchanger second outlet is connected with electricity generation module.This design not only passes through LNG cold energy more Individual heat exchanger is recycled, and carries out cascade utilization to cold energy;By LNG energy cascade utilization and data central integral Design, improves energy utilization rate.
Further, the UTILIZATION OF VESIDUAL HEAT IN module also includes waste heat boiler, and the heat boiler outlet connection the described 3rd is changed Hot device second entrance;Caused flue gas enters waste heat boiler by the exhaust-heat boiler inlet after the electricity generation module generates electricity.This Design make use of the fume afterheat after generating electricity, and improve the temperature of generating working medium in the 3rd heat exchanger, improve generating efficiency;Simultaneously Avoid and fail, using flue gas or a small amount of utilization, and by a large amount of fume emissions into air, to cause environment dirty in the prior art Dye.
Further, the UTILIZATION OF VESIDUAL HEAT IN module also includes refrigeration unit, and the 3rd changes described in the refrigeration unit outlet Hot device second entrance;Caused flue gas enters refrigeration unit by the refrigeration unit entrance after the electricity generation module generates electricity.This Design make use of the fume afterheat after generating electricity, and improve the temperature of generating working medium in the 3rd heat exchanger, improve generating efficiency;Simultaneously Avoid and fail, using flue gas or a small amount of utilization, and by a large amount of fume emissions into air, to cause environment dirty in the prior art Dye.
Further, the quantity of the First Heat Exchanger is 2-4, the quantity of second heat exchanger and the 3rd heat exchanger It is identical with the quantity of the First Heat Exchanger respectively.Absorbing for LNG cold energy is realized in this design.
Further, the LNG cold energy uses module also includes the 4th heat exchanger, connects the First Heat Exchanger and generating Module, absorb by LNG multistages release it is cold after cold energy, and cold energy is passed into data center's air conditioner coolant water.This is designed into one The LNG cold energy absorbed after Multi-class propagation of step, save the energy.
Further, blender is additionally provided between the 4th heat exchanger and electricity generation module, the LNG after heating enters Blender mixes with pipe natural gas, is generated electricity into electricity generation module.This design adjusts the flow of pipe natural gas by blender, To meet requirement of the data center to delivery and semen donors.
The method of work of LNG energy cascade utilization and data central integral energy supplying system:LNG is after immersed pump boosts Into in First Heat Exchanger, cold energy is exchanged with generating working medium, now LNG temperature is increased to -85~-100 degrees Celsius;Under passing through again The First Heat Exchanger of one exchanges cold energy, and now LNG temperature is increased to -30 degrees centigrades, turns into cryogenic natural gas;Pass through again 4th heat exchanger exchanges cold energy, and now cryogenic natural gas is warming up to 5~15 degrees Celsius, is mixed into blender and pipe natural gas Close, generated electricity into electricity generation module;Caused flue gas after generating, a part enter the 3rd heat exchanger after waste heat boiler, with the Three heat exchanger heat-shifts, generating working medium is heated, improve electricity generation module generating efficiency, another part enters after refrigeration unit 3rd heat exchanger, with the 3rd heat exchanger heat-shift, generating working medium is heated, improves electricity generation module generating efficiency;Changed by first The generating working medium of hot device enters the second heat exchanger and exchanges cold energy, and now generating working medium temperature is raised to 0 degrees centigrade, enters back into the Three heat exchangers are warming up to 30~80 degrees Celsius, finally enter electricity generation module generate electricity after enter First Heat Exchanger in carry out next follow Ring.
The present invention compared with the existing technology has advantages below and effect:
1st, the present invention realizes the cascade utilization of LNG cold energy, and the cold energy of the generating working medium after generating is changed by second Hot device is data center's cooling, and LNG cold energy is comprehensively utilized with electricity generation module, generating efficiency is improved, to ensure in data The heart is powered and the safety and stability of cooling;And power network is changed into stand-by power supply from main power supply source, reduces peak load regulation network Pressure, improve the flexibility of peak load regulation network;
2nd, the present invention takes full advantage of the low temperature exhaust heat of caused flue gas after generating, and energy utilization rate is high, has saved the energy;
3rd, LNG energy cascade utilization of the present invention and the design of data central integralization, eliminate LNG vaporization heat in the prior art Kettle furnace apparatus, the fuel of the part is saved, pollutant discharge amount is few, protects environment to a certain extent, reduces simultaneously Construction cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of energy supplying system of the present invention.
Label declaration:
1st, LNG storage tank;2nd, First Heat Exchanger;3rd, the second heat exchanger;4th, the 3rd heat exchanger;
5th, the 4th heat exchanger;6th, electricity generation module;7th, blender;8th, waste heat boiler;
9th, refrigeration unit;10th, immersed pump;11st, liquid pressure rise pump.
Embodiment
With reference to embodiment, the present invention is described in further detail, following examples be explanation of the invention and The invention is not limited in following examples.
Embodiment 1:
As shown in figure 1, LNG energy cascade utilization and data central integral energy supplying system, including LNG cold energy use moulds Block, refrigeration module, UTILIZATION OF VESIDUAL HEAT IN module and electricity generation module 6;The system is connected by immersed pump 10 with LNG storage tank 1.LNG cold energy First Heat Exchanger 2 using module using cold energy, the first entrance of First Heat Exchanger 2 connection immersed pump 10 export.Freeze mould Block includes the second heat exchanger 3, and the second heat exchanger 3 is data center's air conditioner coolant water extraction cooling energy;The entrance of second heat exchanger 3 connects The first outlet of First Heat Exchanger 2.Electricity generation module 6 is included in turbine, gas turbine, internal combustion engine, steam turbine and generator One or more, the second entrance of First Heat Exchanger 2 are connected with electricity generation module 6, the second outlet of First Heat Exchanger 2 and electricity generation module 6 are connected.UTILIZATION OF VESIDUAL HEAT IN module includes the 3rd heat exchanger 4, and the first entrance of the 3rd heat exchanger 4 connects the second heat exchanger 3 and exported, the The outlet of three heat exchangers 4 is connected with electricity generation module 6;Exchanged heat using the waste heat of the generating working medium in the second heat exchanger 3 to the 3rd Generating working medium heating in device 4, improves generating efficiency.In the present embodiment, connect and adopted in the electricity generation module 6 of the 3rd heat exchanger 4 With turbine generation, connect in the electricity generation module 6 of First Heat Exchanger 2 and use gas turbine power generation.Generating working medium can be propane Or R134a, generating working medium is propane in the present embodiment.
System operationally, the LNG being stored in LNG storage tank 1, First Heat Exchanger 2 is flowed through after the boosting of immersed pump 10, Cold energy is exchanged with the generating working medium in First Heat Exchanger 2, generating working medium is liquefied;Low pressure generating working medium after liquefaction passes through liquid Booster 11 is boosted, and part cold energy is switched into pressure energy, and remaining cold energy passes to air conditioner coolant by the second heat exchanger 3 Water, cold energy is provided for the air-conditioning of data center, now generating working medium temperature is in 0 degrees centigrade;Entered again by the 3rd heat exchanger 4 Row heat exchange, generating working medium are warming up to 30~80 degrees Celsius, and expansion work generates electricity into electricity generation module 6, is provided for data center Part electric energy;Last generating working medium, which enters in First Heat Exchanger 2, carries out subsequent cycle.
Embodiment 2:
As shown in figure 1, the present embodiment in conjunction with the embodiments 1, its difference is:UTILIZATION OF VESIDUAL HEAT IN module also includes waste heat pot Stove 8, the second entrance of 8 the 3rd heat exchanger of outlet of waste heat boiler 4;Caused flue gas passes through waste heat pot after electricity generation module 6 generates electricity The entrance of stove 8 enters waste heat boiler 8.
Operationally, caused flue gas enters waste heat boiler 8 to system by the entrance of waste heat boiler 8 after gas turbine power generation In;Water in waste heat boiler 8, which is heated, produces steam, and steam enters small turbine workmanship and generated electricity, and this process is in the prior art Conventional technical means, so not marking in Fig. 1;The flue-gas temperature that waste heat boiler 8 is discharged is 100 degrees centigrades, is passed through 3rd heat exchanger 4 heats generating working medium, improves generating efficiency.
Embodiment 3:
As shown in figure 1, the present embodiment in conjunction with the embodiments 1 or 2, its difference is:UTILIZATION OF VESIDUAL HEAT IN module also includes system Cold group 9, the second entrance of 9 the 3rd heat exchanger of outlet of refrigeration unit 4;Caused flue gas passes through system after electricity generation module 6 generates electricity The entrance of cold group 9 enters refrigeration unit 9.Refrigeration unit 9 in the present embodiment is flue gas lithium bromide chiller, in addition can be with Using absorption refrigeration unit 9.
Operationally, after flue gas caused by gas turbine power generation is by refrigeration unit 9, temperature drops to 120 degrees Celsius to system Left and right, then generating working medium is heated by the 3rd heat exchanger 4, improve generating efficiency.
Embodiment 4:
As shown in figure 1, the present embodiment in conjunction with the embodiments 3, its difference is:The quantity of First Heat Exchanger 2 is 2, The quantity of second heat exchanger 3 and the 3rd heat exchanger 4 is respectively 2.
During system operation, the LNG temperature after a First Heat Exchanger 2 exchanges cold energy is -85~-100 degrees Celsius;Again Cold energy is exchanged by next First Heat Exchanger 2, now LNG temperature is increased to -30 degrees centigrades, and it is natural to turn into low temperature Gas, generated electricity into electricity generation module 6.
Embodiment 5:
As shown in figure 1, the present embodiment in conjunction with the embodiments 3, its difference is:The quantity of First Heat Exchanger 2 is 4, The quantity of second heat exchanger 3 and the 3rd heat exchanger 4 is respectively 4.
During system operation, the LNG temperature after a First Heat Exchanger 2 exchanges cold energy is -85~-100 degrees Celsius;Again Cold energy is exchanged by next First Heat Exchanger 2, now LNG temperature is increased to -30 degrees centigrades, and it is natural to turn into low temperature Gas;Again after cold energy twice exchanges, cryogenic natural gas turns into normal natural gas, is generated electricity into electricity generation module 6.
Embodiment 6:
As shown in figure 1, the present embodiment in conjunction with the embodiments 4 or 5, its difference is:LNG cold energy use modules also include 4th heat exchanger 5, connect First Heat Exchanger 2 and electricity generation module 6, absorb by LNG multistages release it is cold after cold energy, and cold energy is passed Pass data center's air conditioner coolant water.4th heat exchanger 5 connection gas turbine and last first heat exchange in the present embodiment Device 2.
System operationally, to LNG cold energy has carried out cascade utilization:
First time classified utilization:Multiple stage circulation generates electricity, classification cooling generating working medium;
Second of classified utilization:The air conditioner coolant water of data center absorbs the cold energy in generating working medium, and cold energy is passed through Air-conditioning supplies data center;
Third time classified utilization:Waste heat boiler 8 and/or refrigeration unit 9 are using the fume afterheat after generating electricity, with the 3rd heat exchange Generating working medium in device 4 exchanges cold energy, improves the temperature of generating working medium, improves generating efficiency.
Embodiment 7:
As shown in figure 1, the present embodiment in conjunction with the embodiments 6, its difference is:In the 4th heat exchanger 5 and electricity generation module 6 Between be additionally provided with blender 7, the natural gas after heating mixes into blender 7 with pipe natural gas, is sent out into electricity generation module 6 Electricity, it is data center's supply of electrical energy.The flow of pipe natural gas is adjusted by blender 7, to meet data center to delivery With the requirement of semen donors.
During system operation, LNG flows through First Heat Exchanger 2 after the boosting of immersed pump 10, and cold energy is exchanged with generating working medium, this When LNG temperature be increased to -85~-100 degrees Celsius;Cold energy is exchanged by next First Heat Exchanger 2 again, now LNG temperature - 30 degrees centigrades are increased to, turn into cryogenic natural gas;Cold energy is exchanged by the 4th heat exchanger 5 again, now cryogenic natural gas liter Temperature is mixed with pipe natural gas into blender 7, generated electricity into electricity generation module 6 to 5~15 degrees Celsius;Caused cigarette after generating Gas, a part enter the 3rd heat exchanger 4 after waste heat boiler 8, with the heat-shift of the 3rd heat exchanger 4, heat generating working medium, carry The high generating efficiency of electricity generation module 6, another part enter the 3rd heat exchanger 4 after refrigeration unit 9, exchanged with the 3rd heat exchanger 4 Heat, generating working medium is heated, improve the generating efficiency of electricity generation module 6;Enter the second heat exchange by the generating working medium of First Heat Exchanger 2 Device 3 exchanges cold energy, and now generating working medium temperature is raised to 0 degrees centigrade, and entering back into the 3rd heat exchanger 4, to be warming up to 30~80 Celsius Degree, finally enter electricity generation module 6 generate electricity after enter First Heat Exchanger 2 in carry out subsequent cycle.
Furthermore, it is necessary to which what is illustrated is the specific embodiment described in this specification, the shape of its parts and components, it is named Title etc. can be different.The equivalent or simple change that all construction, feature and principles according to described in inventional idea of the present invention are done, is wrapped Include in the protection domain of patent of the present invention.Those skilled in the art can be to described specific implementation Example is made various modifications or supplement or substituted using similar mode, structure without departing from the present invention or surmounts this Scope as defined in the claims, protection scope of the present invention all should be belonged to.

Claims (7)

1.LNG energy cascade utilization and data central integral energy supplying system, the system pass through immersed pump (10) and LNG storage tank (1) connect, it is characterised in that:Including LNG cold energy uses module, refrigeration module, UTILIZATION OF VESIDUAL HEAT IN module and electricity generation module (6);
The LNG cold energy uses module using cold energy First Heat Exchanger (2);First Heat Exchanger (2) first entrance Connect immersed pump (10) outlet;
The refrigeration module is included for the second heat exchanger (3) of data center's air conditioner coolant water extraction cooling energy;Second heat exchange Device (3) entrance connects First Heat Exchanger (2) first outlet;
Described UTILIZATION OF VESIDUAL HEAT IN module using waste heat the 3rd heat exchanger (4);3rd heat exchanger (4) first entrance connects Logical second heat exchanger (3) outlet;
The electricity generation module (6) includes the one or more in turbine, gas turbine, internal combustion engine, steam turbine and generator; 3rd heat exchanger (4) outlet is connected with electricity generation module (6);First Heat Exchanger (2) second entrance and electricity generation module (6) it is connected, First Heat Exchanger (2) second outlet is connected with electricity generation module (6).
2. LNG energy cascade utilization according to claim 1 and data central integral energy supplying system, it is characterised in that: The UTILIZATION OF VESIDUAL HEAT IN module also includes waste heat boiler (8), the 3rd heat exchanger (4) described in waste heat boiler (8) outlet Two entrances;Caused flue gas enters waste heat boiler (8) by the waste heat boiler (8) entrance after the electricity generation module (6) generates electricity.
3. LNG energy cascade utilization according to claim 1 or 2 and data central integral energy supplying system, its feature exist In:The UTILIZATION OF VESIDUAL HEAT IN module also includes refrigeration unit (9), the 3rd heat exchanger (4) described in refrigeration unit (9) outlet Second entrance;Caused flue gas enters refrigeration unit by the refrigeration unit (9) entrance after the electricity generation module (6) generates electricity (9)。
4. LNG energy cascade utilization according to claim 3 and data central integral energy supplying system, it is characterised in that: The quantity of the First Heat Exchanger (2) is 2-4, the quantity of second heat exchanger (3) and the 3rd heat exchanger (4) respectively with institute The quantity for stating First Heat Exchanger (2) is identical.
5. LNG energy cascade utilization according to claim 4 and data central integral energy supplying system, it is characterised in that: The LNG cold energy uses module also includes the 4th heat exchanger (5), connects the First Heat Exchanger (2) and electricity generation module (6), inhales Receive by LNG multistages release it is cold after cold energy, and cold energy is passed into data center's air conditioner coolant water.
6. LNG energy cascade utilization according to claim 5 and data central integral energy supplying system, it is characterised in that: Blender (7) is additionally provided between the 4th heat exchanger (5) and electricity generation module (6), the natural gas after heating enters mixing Device (7) mixes with pipe natural gas, is generated electricity into electricity generation module (6).
7. the method for work of the LNG energy cascade utilization and data central integral energy supplying system described in claim 6, its feature It is:LNG flows through First Heat Exchanger (2) after immersed pump (10) boosting, cold energy is exchanged with generating working medium, now LNG temperature It is increased to -85~-100 degrees Celsius;Exchange cold energy by next First Heat Exchanger (2) again, now LNG temperature be increased to- 30 degrees centigrades, turn into cryogenic natural gas;Cold energy is exchanged by the 4th heat exchanger (5) again, now cryogenic natural gas is warming up to 5 ~15 degrees Celsius, mix with pipe natural gas into blender (7), generated electricity into electricity generation module (6);Caused cigarette after generating Gas, a part enter the 3rd heat exchanger (4) after waste heat boiler (8), and with the 3rd heat exchanger (4) heat-shift, heating generates electricity Working medium, electricity generation module (6) generating efficiency is improved, another part enters the 3rd heat exchanger (4) after refrigeration unit (9), with the Three heat exchangers (4) heat-shift, generating working medium is heated, improve electricity generation module (6) generating efficiency;By First Heat Exchanger (2) Generating working medium enters the second heat exchanger (3) and exchanges cold energy, and now generating working medium temperature is raised to 0 degrees centigrade, enters back into the 3rd Heat exchanger (4) is warming up to 30~80 degrees Celsius, finally enters and enters progress in First Heat Exchanger (2) after electricity generation module (6) generates electricity Subsequent cycle.
CN201710681065.0A 2017-08-10 2017-08-10 LNG energy cascade utilization and data central integral energy supplying system and method Pending CN107503812A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710681065.0A CN107503812A (en) 2017-08-10 2017-08-10 LNG energy cascade utilization and data central integral energy supplying system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710681065.0A CN107503812A (en) 2017-08-10 2017-08-10 LNG energy cascade utilization and data central integral energy supplying system and method

Publications (1)

Publication Number Publication Date
CN107503812A true CN107503812A (en) 2017-12-22

Family

ID=60690684

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710681065.0A Pending CN107503812A (en) 2017-08-10 2017-08-10 LNG energy cascade utilization and data central integral energy supplying system and method

Country Status (1)

Country Link
CN (1) CN107503812A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111102027A (en) * 2020-01-16 2020-05-05 北京市燃气集团有限责任公司 LNG cold energy cascade utilization system and control method
WO2021253969A1 (en) * 2020-06-18 2021-12-23 华为技术有限公司 Power generation system and power generation method
CN114190052A (en) * 2021-11-12 2022-03-15 中节能工业节能有限公司 Distributed comprehensive energy system for data center

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000204909A (en) * 1999-01-11 2000-07-25 Osaka Gas Co Ltd Lng cryogenic power generation system
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
CN104405461A (en) * 2014-10-13 2015-03-11 中信重工机械股份有限公司 Organic working medium Rankine cycle waste heat power generation system
CN105370327A (en) * 2015-11-27 2016-03-02 中国能源建设集团广东省电力设计研究院有限公司 System and method for realizing LNG (Liquefied Natural Gas) gasification of distributed energy station
CN106050340A (en) * 2016-07-28 2016-10-26 深圳市燃气集团股份有限公司 Data centre integrated energy supply device using LNG power generation refrigeration
US20170038008A1 (en) * 2014-04-19 2017-02-09 Masashi Tada Cold utilization system, energy system comprising cold utilization system, and method for utilizing cold utilization system
CN106837441A (en) * 2017-02-28 2017-06-13 中国科学院上海高等研究院 A kind of combustion turbine nitrogen Brayton cycle combined generating system of utilization LNG cold energy
CN207297113U (en) * 2017-08-10 2018-05-01 华电电力科学研究院 LNG energy cascade utilization and data central integral energy supplying system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000204909A (en) * 1999-01-11 2000-07-25 Osaka Gas Co Ltd Lng cryogenic power generation system
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
US20170038008A1 (en) * 2014-04-19 2017-02-09 Masashi Tada Cold utilization system, energy system comprising cold utilization system, and method for utilizing cold utilization system
CN104405461A (en) * 2014-10-13 2015-03-11 中信重工机械股份有限公司 Organic working medium Rankine cycle waste heat power generation system
CN105370327A (en) * 2015-11-27 2016-03-02 中国能源建设集团广东省电力设计研究院有限公司 System and method for realizing LNG (Liquefied Natural Gas) gasification of distributed energy station
CN106050340A (en) * 2016-07-28 2016-10-26 深圳市燃气集团股份有限公司 Data centre integrated energy supply device using LNG power generation refrigeration
CN106837441A (en) * 2017-02-28 2017-06-13 中国科学院上海高等研究院 A kind of combustion turbine nitrogen Brayton cycle combined generating system of utilization LNG cold energy
CN207297113U (en) * 2017-08-10 2018-05-01 华电电力科学研究院 LNG energy cascade utilization and data central integral energy supplying system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111102027A (en) * 2020-01-16 2020-05-05 北京市燃气集团有限责任公司 LNG cold energy cascade utilization system and control method
CN111102027B (en) * 2020-01-16 2024-03-08 北京市燃气集团有限责任公司 LNG cold energy cascade utilization system and control method
WO2021253969A1 (en) * 2020-06-18 2021-12-23 华为技术有限公司 Power generation system and power generation method
CN114190052A (en) * 2021-11-12 2022-03-15 中节能工业节能有限公司 Distributed comprehensive energy system for data center

Similar Documents

Publication Publication Date Title
CN206237147U (en) The distributed energy of liquefied natural gas plant stand utilizes system
CN104791204B (en) A kind of underground heat, combustion gas and supercritical carbon dioxide combined generating system
CN107178436B (en) A kind of cold, heat and power triple supply system and method
CN103114912B (en) Cold, heat, water and electricity four-coproduction system combined with freezing method
CN105258384B (en) A kind of thermoelectric cold polygenerations systeme of integrated thermochemical process
CN209213961U (en) Hazards in Power Plant fused salt thermal storage electric boiler combined heat integrated system
CN107503812A (en) LNG energy cascade utilization and data central integral energy supplying system and method
CN104567100A (en) Cooling, heating and generation and hot-water supply combined system driven by proton film fuel cell
CN203099962U (en) Circulating-water direct heating system of thermal power plant
CN205895337U (en) Coupled system that pressure energy and cool and thermal power trigeminy supplied
CN106765481A (en) A kind of conduction oil central heating system and energy-saving heating method
CN205638705U (en) Utilize LNG system ice and use natural gas to supply system as cool and thermal power trigeminy of fuel
CN207297113U (en) LNG energy cascade utilization and data central integral energy supplying system
KR102061275B1 (en) Hybrid type supercritical CO2 power generation system
CN206917747U (en) A kind of distributed energy resource system
CN203769963U (en) Gas engine waste heat utilization system provided with closed cooling tower
CN208380716U (en) Utilize the boiler heating system of internal combustion engine heat
CN206129338U (en) Gas - steam combined cycle distributing type energy supply system
CN207065920U (en) A kind of BOG of LNG Power Vessels utilizes system
CN109869205A (en) It is a kind of for the heat accumulation of cogeneration units, power generation and heating system
WO2022121486A1 (en) Heating system employing natural gas
CN204729187U (en) A kind of distributed energy resource system based on Stirling engine
CN105972673B (en) A kind of relaying energy site type great temperature difference heat supply system and method
CN105508055B (en) The system and method for distributed busbar protection cooling circulating water
CN205135815U (en) System for distributed energy resource station refrigeration cycle water

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