CN105370327A - System and method for realizing LNG (Liquefied Natural Gas) gasification of distributed energy station - Google Patents
System and method for realizing LNG (Liquefied Natural Gas) gasification of distributed energy station Download PDFInfo
- Publication number
- CN105370327A CN105370327A CN201510854426.8A CN201510854426A CN105370327A CN 105370327 A CN105370327 A CN 105370327A CN 201510854426 A CN201510854426 A CN 201510854426A CN 105370327 A CN105370327 A CN 105370327A
- Authority
- CN
- China
- Prior art keywords
- water
- lng
- steam
- hot water
- heat exchanger
- 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
- 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
-
- 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
-
- 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
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
- F01K23/106—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle with water evaporated or preheated at different pressures in exhaust boiler
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/72—Application in combination with a steam turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/74—Application in combination with a gas turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/75—Application in combination with equipment using fuel having a low calorific value, e.g. low BTU fuel, waste end, syngas, biomass fuel or flare gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/76—Application in combination with an electrical generator
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention relates to a system and a method for realizing LNG (Liquefied Natural Gas) gasification of a distributed energy station. The system comprises a gasification device, a gas turbine, a heat recovery boiler, a hot water heat exchanger, a steam turbine and a condenser, wherein a delivery port of the gasification device is connected with an air inlet of the gas turbine; a smoke vent of the gas turbine is connected with the heat recovery boiler; a steam exhaust port of the heat recovery boiler is connected with a steam inlet of the steam turbine and a steam exhaust port of the steam turbine is connected with a steam inlet of the condenser; a condensed water outlet of the condenser is connected with a condensed water inlet of the heat recovery boiler; the hot water heat exchanger is arranged at the tail of the heat recovery boiler; a water outlet of the hot water heat exchanger is connected with a water inlet of the gasification device and a water outlet of the gasification device is connected with a water inlet of the hot water heat exchanger. The system and the method are high in energy use ratio, and also reduce personal safety risk on the ground that no combustible gas can be taken into a steam cycle thermodynamic system dominated by the steam turbine.
Description
Technical field
The present invention relates to LNG gasification technology, particularly a kind of system and method realizing distributed busbar protection LNG and gasify.
Background technique
Distributed energy is the energy comprehensive utilization system being distributed in user side, pursues energy cascade utilization to reach higher efficiency of energy utilization.Prime mover is that the distributed energy resource system of small size gas turbine is generally using rock gas as fuel, in the distributed busbar protection of some pipeline source of the gas instability, often set up LNG (LNG Liquefied natural gas) vaporizing station in addition, pipeline gas ensure when cannot meet the supply that unit normally runs, utilize tank car conveying liquified natural gas, in vaporizing station, LNG Liquefied natural gas is gasified, after pressure regulation, by pipeline by natural gas transport to prime mover.LNG gasification heat absorption is general adopts air-heating type gasifier and water bath type gasifier, and air-heating type gasifier utilizes air as thermal source, provides the LNG heat that gasification needs, and its build is comparatively large, and vaporization ability is less, is not generally suitable for the distributed busbar protection that air consumption is larger.The thermal source of water bath type gasifier comes from the hot water that water-heating furnace provides, LNG gasification needs water-heating furnace additionally to consume a part of rock gas, gas consumption amount increases, due in Small Combustion stove combustion, Combustion System is uneven, and provide the heat needed for LNG gasification by intermediate medium hot water, efficiency of energy utilization is lower, and the flue gas to airborne release higher temperature, be unfavorable for that decreasing pollution thing discharges, and rock gas divides multiple branch circuit operation and control, be unfavorable for that combustible gas leakage is monitored, there is the security risk such as higher gas leakage and detonation.
Or it is general, rock gas is by gas turbine acting generating, and smoke discharging residual heat heated feed water produces steam and enters steam turbine acting generating, and the steam of higher calorific value is extracted a part in the middle of steam turbine, towards LNG gasification system, by vaporizer, utilize high-grade steam latent heat of vaporization gasification LNG, vapor (steam) temperature is higher, belong to pressure piping, vaporizer also belongs to pressurized container, and the safety requirement grade of these e-quipment and pipes is higher, improves equipment for gasification cost; Steam cooling condenses into water in addition, in order to reclaim the working medium of better quality, water of condensation by the row of boosting again in the thermodynamic system of vapor recycle, because vaporizer has the risk of broken pipe, rock gas is likely scurried in steam and condensate system, in the rock gas pipeline that is brought into thermodynamic system immediately leaked and equipment, have and leak again and the potential safety hazard of detonation.
Summary of the invention
Based on this, be necessary the defect for prior art, a kind of system and method realizing distributed busbar protection LNG and gasify is provided, not only there is the advantage that energy utilization rate is high, and there will not be inflammable gas to be brought into problem that steam turbine is main vapor recycle thermodynamic system, reduce personal safety risk.
Its technological scheme is as follows:
A kind of system realizing distributed busbar protection LNG and gasify, comprise gasification installation, gas turbine, exhaust heat boiler, hot water heat exchanger, steam turbine and vapour condenser, the blowing mouth of described gasification installation is connected with the suction port of gas turbine, the smoke exhaust port of described gas turbine is connected with exhaust heat boiler, the steam-expelling port of described exhaust heat boiler is connected with the steam inlet of steam turbine, the steam-expelling port of described steam turbine is connected with the steam inlet of vapour condenser, the water of condensation outlet of described vapour condenser is connected with the water of condensation entrance of exhaust heat boiler, described hot water heat exchanger is arranged on the afterbody of exhaust heat boiler, the water outlet of described hot water heat exchanger is connected with the water intake of gasification installation, the water outlet of described gasification installation is connected with the water intake of hot water heat exchanger.
Its further technological scheme is as follows:
Described vapour condenser and exhaust heat boiler connecting pipeline are provided with feed water pump.
The connecting pipeline of the water outlet of described gasification installation and the water intake of hot water heat exchanger is provided with booster pump.
The output shaft of described gas turbine is connected with the first generator, and the output shaft of described steam turbine is connected with the second generator.
Described gasification installation comprises vaporizer and LNG storage tank, the water intake of described vaporizer is connected with the water outlet of hot water heat exchanger, the water outlet of described vaporizer is connected with the water intake of hot water heat exchanger, described LNG storage tank is connected with vaporizer, and the connecting pipeline of LNG storage tank and vaporizer is provided with LNG transfer pump.
The circulating water outlet of described vapour condenser is connected with the circulating water entrance of gasification installation, and the circulating water outlet of gasification installation is connected with the circulating water entrance of vapour condenser.
Realize the method that distributed busbar protection LNG gasifies, comprise the steps:
Liquid LNG in LNG storage tank is extracted out and is delivered to vaporizer by LNG transfer pump;
The high-temperature flue gas input exhaust heat boiler that gas turbine is produced, heated feed water produces high-temperature steam and enters steam turbine, and the exhaust steam after steam turbine acting enters vapour condenser; Exhaust steam becomes water of condensation through vapour condenser cooling, again enters exhaust heat boiler through feed water pump boosting;
Arrange hot water heat exchanger at exhaust heat boiler afterbody, the high temperature heat medium water of hot water heat exchanger is through hot water feeding pipe, and entering vaporizer provides heat for LNG gasification, and the low temperature heat medium water after heat utilization is back to hot water heat exchanger after booster pump.
Below the advantage of preceding solution or principle are described:
The above-mentioned system and method realizing distributed busbar protection LNG and gasify, by setting up hot water heat exchanger at exhaust heat boiler afterbody, reduces temperature of exhaust fume, decrease thermo-pollution, and make full use of smoke discharging residual heat generation hot water, as gasification installation thermal source, the heat providing LNG to gasify needs, improves efficiency of energy utilization, does not need additionally to consume rock gas simultaneously, also without the need to arranging water-heating furnace, energy source station system simplification, investment reduces, and air consumption is few, energy utilization rate is high, and unit economy is good.Avoid and adopt water-heating furnace gasification LNG to cause high-temperature flue gas disposal of pollutants, improve social benefit, exhaust heat boiler afterbody hot water circuit is independent of outside vapor recycle thermodynamic system, and avoiding inflammable gas to be brought into steam turbine is main vapor recycle thermodynamic system, reduces personal safety risk.LNG obtains stable gasification thermal source, has ensured the safe operation of energy source station.Meet country-driven degree of depth energy-saving and emission-reduction policy, energy source station investment and operator can be made more easily to realize target for energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 executes the described system flow schematic diagram one realizing distributed busbar protection LNG and gasify of example;
The system flow schematic diagram two that Fig. 2 gasifies for realizing distributed busbar protection LNG described in embodiment.
Description of reference numerals:
1, LNG tank car, 2, LNG storage tank, 3, LNG transfer pump, 4, vaporizer, 5, gas turbine, the 6, first generator, 7, exhaust heat boiler, 8, steam turbine, 9, the second generator, 10, vapour condenser, 11, feed water pump, 12, hot water heat exchanger, 13, booster pump, 101, liquid LNG, 102, rock gas, 103, high-temperature flue gas, 201, high-temperature steam, 202, exhaust steam, 203, water of condensation, 301, high temperature heat medium water, 302, low temperature heat medium water, 401, circulating water backwater, 402, circulating water supplies water.
Embodiment
As shown in Figure 1, a kind of system realizing distributed busbar protection LNG and gasify, comprise gasification installation, gas turbine 5, exhaust heat boiler 7, hot water heat exchanger 12, steam turbine 8 and vapour condenser 10, described gasification installation comprises vaporizer 4 and LNG storage tank 2, LNG tank car 1 inputs LNG in LNG storage tank 2, described LNG storage tank 2 is connected with vaporizer 4, and LNG storage tank 2 is provided with LNG transfer pump 3 with the connecting pipeline of vaporizer 4, the blowing mouth of described vaporizer 4 is connected with the suction port of gas turbine 5, the smoke exhaust port of described gas turbine 5 is connected with exhaust heat boiler 7, the steam-expelling port of described exhaust heat boiler 7 is connected with the steam inlet of steam turbine 8, the steam-expelling port of described steam turbine 8 is connected with the steam inlet of vapour condenser 10, the water of condensation outlet of described vapour condenser 10 is connected with the water of condensation entrance of exhaust heat boiler 7, described hot water heat exchanger 12 is arranged on the afterbody of exhaust heat boiler 7, the water outlet of described hot water heat exchanger 12 is connected with the water intake of vaporizer 4, the water outlet of described vaporizer 4 is connected with the water intake of hot water heat exchanger 12.
The described system realizing distributed busbar protection LNG and gasify, by setting up hot water heat exchanger 12 at exhaust heat boiler 7 afterbody, reduces temperature of exhaust fume, decrease thermo-pollution, and make full use of smoke discharging residual heat generation hot water, as gasification installation thermal source, the heat providing LNG to gasify needs, improves efficiency of energy utilization, does not need additionally to consume rock gas simultaneously, also without the need to arranging water-heating furnace, energy source station system simplification, investment reduces, and air consumption is few, energy utilization rate is high, and unit economy is good.Avoid the high-temperature flue gas disposal of pollutants adopting water-heating furnace gasification LNG to cause, improve social benefit, exhaust heat boiler 7 afterbody hot water circuit is independent of outside vapor recycle thermodynamic system, and avoiding inflammable gas to be brought into steam turbine 8 is main vapor recycle thermodynamic system, reduces personal safety risk.LNG obtains stable gasification thermal source, has ensured the safe operation of energy source station.Meet country-driven degree of depth energy-saving and emission-reduction policy, energy source station investment and operator can be made more easily to realize target for energy-saving and emission-reduction,
The output shaft of described gas turbine 5 is connected with the first generator 6, rock gas 102 enters gas turbine 5, gas turbine 5 runs drive first generator 6 and generates electricity, the output shaft of described steam turbine 8 is connected with the second generator 9, the high-temperature flue gas 103 of gas turbine 5 enters exhaust heat boiler 7, heated feed water produces high-temperature steam 201, enter steam turbine 8, the second generator 9 is driven to generate electricity, described vapour condenser 10 and exhaust heat boiler 7 connecting pipeline are provided with feed water pump 11, exhaust steam 202 after acting becomes water of condensation 203 through vapour condenser 10 cooling, boost through feed water pump 11, again enter exhaust heat boiler 7.The connecting pipeline of the water outlet of described vaporizer 4 and the water intake of hot water heat exchanger 12 is provided with booster pump 13.From the high temperature heat medium water 301 of exhaust heat boiler 7 afterbody hot water heat exchanger 12 through hot water feeding pipe, enter the vaporizer 4 in LNG vaporizing station, for liquid LNG101 gasification provides heat, low temperature heat medium water 302 after heat utilization, after booster pump 13 boosts, is back to the hot water heat exchanger 12 of exhaust heat boiler 7 afterbody.
For improving the heat needed for the LNG gasification in vaporizer further, on the basis of structure shown in Fig. 1, add the structure of circulating water access vaporizer, as shown in Figure 2, the circulating water outlet of described vapour condenser 10 is connected with the circulating water entrance of gasification installation, and the circulating water outlet of gasification installation is connected with the circulating water entrance of vapour condenser 10.Circulating water supplies water and 402 enters cooling exhaust steam 202 in vapour condenser 10, and circulating water backwater 401 temperature increases simultaneously, enters in vaporizer 4, not only realizes exhaust steam 202 and cool, and can make full use of the heat gasification LNG of exhaust steam 202.
Realize the method that distributed busbar protection LNG gasifies, comprise the steps:
Liquid LNG101 in LNG storage tank 2 is extracted out and is delivered to vaporizer 4 by LNG transfer pump 3;
The high-temperature flue gas 103 produced by gas turbine 5 inputs exhaust heat boiler 7, and heated feed water produces high-temperature steam and enters steam turbine 8, and the exhaust steam 202 after steam turbine 8 does work enters vapour condenser 10; Exhaust steam 202 becomes water of condensation 203 through vapour condenser 10 cooling, and boosting through feed water pump 11 enters exhaust heat boiler 7 again;
Arrange hot water heat exchanger 12 at exhaust heat boiler 7 afterbody, the high temperature heat medium water 301 of hot water heat exchanger 12 is through hot water feeding pipe, and entering vaporizer 4 provides heat for LNG gasification, and the low temperature heat medium water 302 after heat utilization is back to hot water heat exchanger 12 after booster pump 13.
The described method realizing distributed busbar protection LNG and gasify, makes full use of smoke discharging residual heat and produces hot water, improve efficiency of energy utilization, hot water is as vaporizer 4 thermal source, the heat that LNG gasifies needs being provided, not needing additionally to consume rock gas, also without the need to arranging water-heating furnace simultaneously.Avoid the high-temperature flue gas disposal of pollutants adopting water-heating furnace gasification LNG to cause.Exhaust heat boiler 7 afterbody hot water circuit is independent of outside vapor recycle thermodynamic system, and avoiding inflammable gas to be brought into steam turbine 8 is main vapor recycle thermodynamic system, reduces personal safety risk.
Each technical characteristics of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristics in above-described embodiment is not all described, but, as long as the combination of these technical characteristicss does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. the system realizing distributed busbar protection LNG and gasify, it is characterized in that, comprise gasification installation, gas turbine, exhaust heat boiler, hot water heat exchanger, steam turbine and vapour condenser, the blowing mouth of described gasification installation is connected with the suction port of gas turbine, the smoke exhaust port of described gas turbine is connected with exhaust heat boiler, the steam-expelling port of described exhaust heat boiler is connected with the steam inlet of steam turbine, the steam-expelling port of described steam turbine is connected with the steam inlet of vapour condenser, the water of condensation outlet of described vapour condenser is connected with the water of condensation entrance of exhaust heat boiler, described hot water heat exchanger is arranged on the afterbody of exhaust heat boiler, the water outlet of described hot water heat exchanger is connected with the water intake of gasification installation, the water outlet of described gasification installation is connected with the water intake of hot water heat exchanger.
2. realize the system that distributed busbar protection LNG gasifies as claimed in claim 1, it is characterized in that, described vapour condenser and exhaust heat boiler connecting pipeline are provided with feed water pump.
3. realize the system that distributed busbar protection LNG gasifies as claimed in claim 2, it is characterized in that, the connecting pipeline of the water outlet of described gasification installation and the water intake of hot water heat exchanger is provided with booster pump.
4. realize the system that distributed busbar protection LNG gasifies as claimed in claim 3, it is characterized in that, the output shaft of described gas turbine is connected with the first generator, and the output shaft of described steam turbine is connected with the second generator.
5. realize the system that distributed busbar protection LNG gasifies as claimed in claim 4, it is characterized in that, described gasification installation comprises vaporizer and LNG storage tank, the water intake of described vaporizer is connected with the water outlet of hot water heat exchanger, the water outlet of described vaporizer is connected with the water intake of hot water heat exchanger, described LNG storage tank is connected with vaporizer, and the connecting pipeline of LNG storage tank and vaporizer is provided with LNG transfer pump.
6. the system realizing distributed busbar protection LNG gasification as described in any one of claim 1 to 5, it is characterized in that, the circulating water outlet of described vapour condenser is connected with the circulating water entrance of gasification installation, and the circulating water outlet of gasification installation is connected with the circulating water entrance of vapour condenser.
7. realize the method that distributed busbar protection LNG gasifies, it is characterized in that, comprise the steps:
Liquid LNG in LNG storage tank is extracted out and is delivered to vaporizer by LNG transfer pump;
The high-temperature flue gas input exhaust heat boiler that gas turbine is produced, heated feed water produces high-temperature steam and enters steam turbine, and the exhaust steam after steam turbine acting enters vapour condenser; Exhaust steam becomes water of condensation through vapour condenser cooling, again enters exhaust heat boiler through feed water pump boosting;
Arrange hot water heat exchanger at exhaust heat boiler afterbody, the high temperature heat medium water of hot water heat exchanger is through hot water feeding pipe, and entering vaporizer provides heat for LNG gasification, and the low temperature heat medium water after heat utilization is back to hot water heat exchanger after booster pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510854426.8A CN105370327A (en) | 2015-11-27 | 2015-11-27 | System and method for realizing LNG (Liquefied Natural Gas) gasification of distributed energy station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510854426.8A CN105370327A (en) | 2015-11-27 | 2015-11-27 | System and method for realizing LNG (Liquefied Natural Gas) gasification of distributed energy station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105370327A true CN105370327A (en) | 2016-03-02 |
Family
ID=55372881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510854426.8A Pending CN105370327A (en) | 2015-11-27 | 2015-11-27 | System and method for realizing LNG (Liquefied Natural Gas) gasification of distributed energy station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105370327A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928247A (en) * | 2016-04-21 | 2016-09-07 | 中国石油化工股份有限公司 | Liquefied natural gas evaporation gas cold energy and combustion energy comprehensive utilization system |
| CN106838616A (en) * | 2016-12-22 | 2017-06-13 | 天津华迈环保设备有限公司 | A kind of distributed energy resource system of small movable |
| CN107320987A (en) * | 2017-08-17 | 2017-11-07 | 佛山市派能机电有限公司 | Ceramics Enterprises high-efficiency and energy-saving type energy resource system and its application |
| CN107503812A (en) * | 2017-08-10 | 2017-12-22 | 华电电力科学研究院 | LNG energy cascade utilization and data central integral energy supplying system and method |
| CN107905861A (en) * | 2017-05-26 | 2018-04-13 | 惠生（南通）重工有限公司 | A kind of multi-functional LNG floating power generation devices using Combined cycle gas-steam turbine |
| CN109707511A (en) * | 2019-01-15 | 2019-05-03 | 张春华 | A kind of combustion engine combined cycle low-temperature flue gas waste heat utilizes system |
| CN110296319A (en) * | 2019-07-24 | 2019-10-01 | 中国海洋石油集团有限公司 | A kind of LNG receiving station BOG electricity generation system |
| CN111691935A (en) * | 2020-05-28 | 2020-09-22 | 太平洋海洋工程（舟山）有限公司 | Natural gas and steam combined power generation device used on power generation ship |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711670A (en) * | 2013-12-26 | 2014-04-09 | 中国能源建设集团广东省电力设计研究院 | Feed pump system of combined cycle power station |
| CN104819054A (en) * | 2015-05-17 | 2015-08-05 | 中国能源建设集团广东省电力设计研究院有限公司 | Distributed energy resource waste heat utilization system |
| CN205135813U (en) * | 2015-11-27 | 2016-04-06 | 中国能源建设集团广东省电力设计研究院有限公司 | System for realize distributed energy resource station LNG gasification |
-
2015
- 2015-11-27 CN CN201510854426.8A patent/CN105370327A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711670A (en) * | 2013-12-26 | 2014-04-09 | 中国能源建设集团广东省电力设计研究院 | Feed pump system of combined cycle power station |
| CN104819054A (en) * | 2015-05-17 | 2015-08-05 | 中国能源建设集团广东省电力设计研究院有限公司 | Distributed energy resource waste heat utilization system |
| CN205135813U (en) * | 2015-11-27 | 2016-04-06 | 中国能源建设集团广东省电力设计研究院有限公司 | System for realize distributed energy resource station LNG gasification |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928247A (en) * | 2016-04-21 | 2016-09-07 | 中国石油化工股份有限公司 | Liquefied natural gas evaporation gas cold energy and combustion energy comprehensive utilization system |
| CN106838616A (en) * | 2016-12-22 | 2017-06-13 | 天津华迈环保设备有限公司 | A kind of distributed energy resource system of small movable |
| CN107905861A (en) * | 2017-05-26 | 2018-04-13 | 惠生（南通）重工有限公司 | A kind of multi-functional LNG floating power generation devices using Combined cycle gas-steam turbine |
| CN107503812A (en) * | 2017-08-10 | 2017-12-22 | 华电电力科学研究院 | LNG energy cascade utilization and data central integral energy supplying system and method |
| CN107320987A (en) * | 2017-08-17 | 2017-11-07 | 佛山市派能机电有限公司 | Ceramics Enterprises high-efficiency and energy-saving type energy resource system and its application |
| CN107320987B (en) * | 2017-08-17 | 2023-06-02 | 佛山市派能机电有限公司 | Efficient energy-saving energy system for ceramic enterprises and application thereof |
| CN109707511A (en) * | 2019-01-15 | 2019-05-03 | 张春华 | A kind of combustion engine combined cycle low-temperature flue gas waste heat utilizes system |
| CN110296319A (en) * | 2019-07-24 | 2019-10-01 | 中国海洋石油集团有限公司 | A kind of LNG receiving station BOG electricity generation system |
| CN111691935A (en) * | 2020-05-28 | 2020-09-22 | 太平洋海洋工程（舟山）有限公司 | Natural gas and steam combined power generation device used on power generation ship |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105370327A (en) | System and method for realizing LNG (Liquefied Natural Gas) gasification of distributed energy station | |
| CN100462531C (en) | System and method for improving efficiency of combined cycle electric power plant | |
| CN206785443U (en) | A kind of high-pressure natural gas cogeneration distributed energy resource system | |
| CN202867001U (en) | Distributed cooling, heating and power combined supply system for small-sized combustion gas turbines | |
| CN104482772B (en) | Vertical sintering waste heat drives cooling heating and power generation system and method thereof | |
| CN105401989A (en) | System and method for comprehensively utilizing liquefied natural gas (LNG) energy | |
| CN102220888A (en) | Method and system for recovering circulating water residual heat of thermal power plants | |
| CN103807868B (en) | Be applicable to the internal heating fluidized bed drying system of brown coal air cooling turbo-generator | |
| CN104832290A (en) | Distributed type energy resource flue gas waste heat deep utilization system | |
| CN104819054A (en) | Distributed energy resource waste heat utilization system | |
| CN103967544A (en) | Waste heat utilization system of gas-steam combined cycle generator set | |
| CN104963735A (en) | Method and device for heating gas fuel through condenser cooling water return water waste heat | |
| CN205243570U (en) | System for use multipurposely LNG energy | |
| US20140360191A1 (en) | Energy storage apparatus for the preheating of feed water | |
| CN205013056U (en) | Water and electricity cogeneration system | |
| CN105401985A (en) | System and method for gasifying LNG for distributed energy station | |
| CN205135813U (en) | System for realize distributed energy resource station LNG gasification | |
| CN103233821B (en) | A kind of air temperature regulating system | |
| KR101536760B1 (en) | A heat annexation power system using bio-fuel efficiently recycling residual heat of exhausting gases and vapors | |
| CN204704010U (en) | A kind of bootstrap system of distributed energy | |
| CN205135814U (en) | System for distributed energy resource station LNG that gasifies | |
| CN204730670U (en) | A kind of residual heat and energy comprehensive utilization TRT | |
| CN103759459B (en) | Fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit | |
| CN205135815U (en) | System for distributed energy resource station refrigeration cycle water | |
| CN104359003A (en) | Self-generating open liquefied natural gas gasification system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160302 |
|
| RJ01 | Rejection of invention patent application after publication |