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 PDFInfo
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- 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
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Classifications
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- 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
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- 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
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
- F01K17/025—Using 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
- F02C6/18—Plural 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20836—Thermal 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
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.
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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 |
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