CN205638705U - Utilize LNG system ice and use natural gas to supply system as cool and thermal power trigeminy of fuel - Google Patents

Utilize LNG system ice and use natural gas to supply system as cool and thermal power trigeminy of fuel Download PDF

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Publication number
CN205638705U
CN205638705U CN201620344926.7U CN201620344926U CN205638705U CN 205638705 U CN205638705 U CN 205638705U CN 201620344926 U CN201620344926 U CN 201620344926U CN 205638705 U CN205638705 U CN 205638705U
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CN
China
Prior art keywords
lng
heat
heat exchanger
ice making
natural gas
Prior art date
Application number
CN201620344926.7U
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Chinese (zh)
Inventor
邹天
李宁
王大伟
耿春雨
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海南恒大建筑科技有限公司
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Priority to CN201620344926.7U priority Critical patent/CN205638705U/en
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Publication of CN205638705U publication Critical patent/CN205638705U/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85Food storage or conservation, e.g. cooling or drying

Abstract

The utility model discloses an utilize LNG system ice and use natural gas to supply system as cool and thermal power trigeminy of fuel, including the gas turbine power generation unit, exhaust -heat boiler, refrigerating unit, the LNG storage tank, the pump, LNG vaporizer group, heat exchanger and system ice formation, it is continuous with the fluid inlet of the import of LNG vaporizer group and heat exchanger respectively that the LNG storage tank passes through the pump, the export and the gas turbine power generation machine group link of LNG vaporizer group, the fluid issuing of heat exchanger is connected on the pipeline between pump and LNG vaporizer group, get into after heat transferring medium in the heat exchanger and the LNG heat transfer and return again to the heat exchanger after heat transfer system ice is carried out with the running water in the system ice formation. The utility model discloses to the liquefied natural gas LNG calorific value high, pollute less, advantage such as warehousing and transportation are convenient, utilize LNG cold energy system ice, the natural gas after the LNG channel qiization can regard as the cool and thermal power trigeminy to supply the fuel of system moreover for energy utilization is rateed and is improved greatly, has important economic value and social value.

Description

Utilize LNG ice making and the cold, heat and power triple supply system with natural gas as fuel
Technical field
This utility model relates to a kind of distributed energy resource system, particularly relates to a kind of utilize LNG ice making and the cold, heat and power triple supply system with natural gas as fuel.
Background technology
Distributed energy resource system refers to be arranged near user by cool and thermal power system with small-scale, low capacity, modularity, distributed manner, can export hot and cold, the system of electric energy independently.The advanced technology of distributed energy includes the various ways such as Solar use, Wind Power Utilization, fuel cell and combustion gas cold, heat and electricity triple supply.
Combustion gas cold, heat and power triple supply system be a kind of foundation on the cascade utilization conceptual foundation of energy, with natural gas as primary energy, produce hot, electric, cold coproduction co-feeding system.It is with natural gas as fuel, utilize the equipment such as small size gas turbine, gas internal-combustion engine, miniature combustion engine that the high-temperature flue gas obtained after combustion of natural gas is initially used for generating, then waste heat is utilized to heat in the winter time, in summer by driving Absorption Refrigerator cooling, may also provide domestic hot-water simultaneously, take full advantage of exhaust gas heat.Primary energy ratio can bring up to about 80%, saves primary energy in a large number.
Liquefied natural gas LNG as a kind of cleaning, efficiently, convenient, the safe energy, high with its calorific value, pollute less, accumulating is convenient etc., and advantage becomes one of selectable high-grade energy of modern society people.But, have not yet to see liquefied natural gas LNG and be directly used in combustion gas cold, heat and power triple supply system.
Utility model content
The purpose of this utility model be to provide a kind of can improve energy utilization rate utilize LNG ice making and the cold, heat and power triple supply system with natural gas as fuel.
nullThe purpose of this utility model is realized by following technical measures: a kind of utilize LNG ice making and the cold, heat and power triple supply system with natural gas as fuel,Including the Gas Turbine Generating Units for power supply、Waste heat boiler for heat supply and the refrigeration unit for cooling,Described waste heat boiler is connected with Gas Turbine Generating Units and refrigeration unit respectively,Water in waste heat boiler and generation two-way high-temperature steam after the high-temperature flue gas heat exchange of Gas Turbine Generating Units,Wherein a road is user's heat supply,Refrigeration unit of separately leading up to is user's cooling,It is characterized in that: described cold, heat and power triple supply system also includes LNG storage tank、Pump、LNG gasification device group、Heat exchanger and ice making district,Described LNG storage tank is connected with the import of LNG gasification device group and the fluid inlet of heat exchanger respectively by pump,The outlet of LNG gasification device group is connected with Gas Turbine Generating Units,The fluid issuing of heat exchanger is connected on the pipeline between pump and LNG gasification device group,Medium entrance and the media outlet of heat exchanger are connected with ice making district,Enter after heat transferring medium in heat exchanger and LNG heat exchange after ice making district carries out heat exchange ice making with tap water and return again to heat exchanger.
The advantages such as this utility model is high for liquefied natural gas LNG calorific value, pollute less, accumulating is convenient, utilize LNG cold energy ice making, and the natural gas that LNG is after gasification can be as the fuel of cold, heat and power triple supply system so that energy utilization rate is greatly improved, and has important economic worth and social value.
As a kind of embodiment of the present utility model, described Gas Turbine Generating Units is mainly made up of air compressor, combustor, gas turbine and electromotor, described air compressor, combustor, gas turbine and electromotor are sequentially connected with, wherein, described combustor is connected with LNG gasification device group, and described gas turbine is connected with waste heat boiler.
Cold, heat and power triple supply system described in the utility model also includes softening water treatment system, and described softening water treatment system is connected with waste heat boiler.
As a kind of embodiment of the present utility model, the heat transferring medium in described heat exchanger is glycol water.
As a kind of embodiment of the present utility model, described refrigeration unit is lithium bromide absorption refrigerating set.
This utility model is provided with control valve on the pipeline between combustor and LNG gasification device group.
Compared with prior art, this utility model has a following significantly effect:
The advantages such as this utility model is high for liquefied natural gas LNG calorific value, pollute less, accumulating is convenient, utilize LNG cold energy ice making, and the natural gas that LNG is after gasification can be as the fuel of cold, heat and power triple supply system so that energy utilization rate is greatly improved, and has important economic worth and social value.
Accompanying drawing explanation
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is composition structural representation of the present utility model.
Detailed description of the invention
nullAs shown in Figure 1,Being that this utility model is a kind of utilizes LNG cold energy ice making and the cold, heat and power triple supply system with natural gas as fuel,Including LNG storage tank 1、Pump 2、LNG gasification device group 3、Heat exchanger 4、Ice making district 5、Gas Turbine Generating Units for power supply、Waste heat boiler 6 for heat supply、Refrigeration unit 7 and softening water treatment system 8 for cooling,LNG storage tank 1 is connected with the import of LNG gasification device group 3 and the fluid inlet of heat exchanger 4 respectively by pump 2,The outlet 3 of LNG gasification device group is connected with Gas Turbine Generating Units,The fluid issuing of heat exchanger 4 is connected on the pipeline between pump and LNG gasification device group 3,Medium entrance and the media outlet of heat exchanger 4 are connected with ice making district 5,Enter after heat transferring medium in heat exchanger 4 and LNG heat exchange after ice making district 5 carries out heat exchange ice making with tap water and return again to heat exchanger 4,Heat exchanger 4 is LNG-ethylene glycol heat exchanger,Heat transferring medium is glycol water.Waste heat boiler 6 is connected with Gas Turbine Generating Units and refrigeration unit 7 respectively, refrigeration unit 7 uses lithium bromide absorption refrigerating set, water in waste heat boiler 6 and generation two-way high-temperature steam after the high-temperature flue gas heat exchange of Gas Turbine Generating Units, wherein a road high-temperature steam is user's heat supply, and another road high-temperature steam is user's cooling by refrigeration unit 7.Soften water treatment system 8 to be connected with waste heat boiler 6.
Gas Turbine Generating Units is mainly made up of air compressor 9, combustor 10, gas turbine 11 and electromotor 12, air compressor 9, combustor 10, gas turbine 11 and electromotor 12 are sequentially connected with, wherein, combustor 10 is connected with LNG gasification device group 3, being provided with control valve 13 on pipeline between combustor 10 and LNG gasification device group 3, gas turbine 11 is connected with waste heat boiler 6.
Work process of the present utility model is as follows: LNG is divided into two-way by LNG storage tank 1 through pump 2, one tunnel is directly over LNG gasification device group 3 becomes gaseous natural gas entrance gas distributing system, another road is through heat exchanger 4, fluid is LNG, heat transferring medium B is glycol water, LNG becomes gaseous natural gas A through LNG gasification device group 3 and enters gas distributing system, entering ice making district 5 with the low-temperature glycol aqueous solution after LNG heat exchange and carry out heat exchange ice making D with tap water C, the room temperature glycol water after ice making completes circulation in heat exchanger 4;The natural gas of gaseous state enters combustor 10 with the air E that compresses through air compressor 9 and mixes and burn, and the electromotor 12 that the high-temperature fuel gas F of generation enters gas turbine 11 and drive is attached thereto generates electricity G, and feeding transmission line of electricity is customer power supply;The high-temperature flue gas H that gas turbine 11 is discharged is defeated by waste heat boiler 6, high-temperature steam J is produced after carrying out heat exchange with the water in waste heat boiler 6, one tunnel is user heat supply M, and lithium bromide absorption refrigerating set of separately leading up to is user cooling L, and softening water treatment system 8 provides softening water K for waste heat boiler 6.
Embodiment of the present utility model is not limited to this; according to foregoing of the present utility model; ordinary technical knowledge and customary means according to this area; without departing under this utility model above-mentioned basic fundamental thought premise; this utility model can also be made the amendment of other various ways, replace or change, within the scope of all falling within this utility model rights protection.

Claims (6)

1. utilize LNG ice making and the cold, heat and power triple supply system with natural gas as fuel, including for supplying The Gas Turbine Generating Units of electricity, the waste heat boiler for heat supply and the refrigeration unit for cooling, described waste heat Boiler is connected with Gas Turbine Generating Units and refrigeration unit respectively, the water in waste heat boiler with from gas turbine Producing two-way high-temperature steam after the high-temperature flue gas heat exchange of generating set, wherein a road is user's heat supply, another a-road-through Crossing refrigeration unit is user's cooling, it is characterised in that: described cold, heat and power triple supply system also include LNG storage tank, Pump, LNG gasification device group, heat exchanger and ice making district, described LNG storage tank by pump respectively with LNG gasification device The import of group is connected with the fluid inlet of heat exchanger, and the outlet of LNG gasification device group is with Gas Turbine Generating Units even Connecing, the fluid issuing of heat exchanger is connected on the pipeline between pump and LNG gasification device group, and the medium of heat exchanger enters Mouthful and media outlet is connected with ice making district, enter ice making district and certainly after the heat transferring medium in heat exchanger and LNG heat exchange Water returns again to heat exchanger after carrying out heat exchange ice making.
The most according to claim 1 utilize LNG ice making and the cold, heat and electricity triple supply with natural gas as fuel System, it is characterised in that: described Gas Turbine Generating Units is mainly by air compressor, combustor, combustion gas wheel Machine and electromotor form, and described air compressor, combustor, gas turbine and electromotor are sequentially connected with, wherein, Described combustor is connected with LNG gasification device group, and described gas turbine is connected with waste heat boiler.
The most according to claim 2 utilize LNG ice making and the cold, heat and electricity triple supply with natural gas as fuel System, it is characterised in that: described cold, heat and power triple supply system also includes softening water treatment system, described softening water Processing system is connected with waste heat boiler.
The most according to claim 3 utilize LNG ice making and the cold, heat and electricity triple supply with natural gas as fuel System, it is characterised in that: the heat transferring medium in described heat exchanger is glycol water.
The most according to claim 4 utilize LNG ice making and the cold, heat and electricity triple supply with natural gas as fuel System, it is characterised in that: described refrigeration unit is lithium bromide absorption refrigerating set.
The most according to claim 5 utilize LNG ice making and the cold, heat and electricity triple supply with natural gas as fuel System, it is characterised in that: it is provided with control valve on the pipeline between combustor and LNG gasification device group.
CN201620344926.7U 2016-04-22 2016-04-22 Utilize LNG system ice and use natural gas to supply system as cool and thermal power trigeminy of fuel CN205638705U (en)

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CN201620344926.7U CN205638705U (en) 2016-04-22 2016-04-22 Utilize LNG system ice and use natural gas to supply system as cool and thermal power trigeminy of fuel

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593685A (en) * 2016-11-24 2017-04-26 新奥泛能网络科技股份有限公司 Fuel gas energy supply system
CN106678545A (en) * 2017-01-12 2017-05-17 辽宁石油化工大学 Natural gas peak load regulating method with combined cooling heating and power supplying function
CN106930834A (en) * 2017-05-12 2017-07-07 上海博翎能源科技有限公司 A kind of energy-saving distributing-supplying-energy system based on liquefied natural gas
CN109838684A (en) * 2019-01-25 2019-06-04 集美大学 The use of underwater boat device exhaust gas and storage device and its method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593685A (en) * 2016-11-24 2017-04-26 新奥泛能网络科技股份有限公司 Fuel gas energy supply system
CN106678545A (en) * 2017-01-12 2017-05-17 辽宁石油化工大学 Natural gas peak load regulating method with combined cooling heating and power supplying function
CN106930834A (en) * 2017-05-12 2017-07-07 上海博翎能源科技有限公司 A kind of energy-saving distributing-supplying-energy system based on liquefied natural gas
CN109838684A (en) * 2019-01-25 2019-06-04 集美大学 The use of underwater boat device exhaust gas and storage device and its method

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