CN206458540U - Natural gas line differential pressure fuel cell generation - Google Patents
Natural gas line differential pressure fuel cell generation Download PDFInfo
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- CN206458540U CN206458540U CN201720050687.9U CN201720050687U CN206458540U CN 206458540 U CN206458540 U CN 206458540U CN 201720050687 U CN201720050687 U CN 201720050687U CN 206458540 U CN206458540 U CN 206458540U
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- natural gas
- gas
- fuel cell
- electricity generation
- differential pressure
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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model provides a kind of natural gas line differential pressure fuel cell generation.The system includes heater, differential pressure generating device and fuel cell power generating system, the Imported gas pipeline of heater is connected with high-pressure natural gas pipe network, the gas outlet pipeline of heater is connected with the inlet pipeline of regulator, and the outlet conduit of regulator is connected with low pressure natural gas pipe network；The Imported gas pipeline of differential pressure generating device is connected with the gas outlet pipeline of heater, and the gas outlet pipeline of differential pressure generating device is connected with low pressure natural gas pipe network；The fuel inlet of fuel cell power generating system is connected with low pressure natural gas pipe network.The pressure energy and new energy source fuel cell generation technology that above-mentioned electricity generation system well discharges gas distributing system are combined, the pressure energy that gas distributing system discharges effectively is converted into electric energy using the clean energy resource electricity generation system of fuel cell power generating system and differential pressure generating device formation, the utilization rate of natural gas is improved.
Description
Technical field
The utility model is related to power field, puts in particular to a kind of natural gas line differential pressure fuel cell hair and is
System.
Background technology
Energy problem was constantly subjected to extensive concern in recent years.With continuing on for the three macrofossil energy, it can lay in, mistake
Degree exploitation, environmental problem is increasingly severe.World energy sources survey of organization shows, the mineral including coal, oil, natural gas etc.
Mass-energy source will be exhausted in following 100~200 years, and new energy utilization technology constantly will be developed and used.Combustion
Expect that battery is exactly a kind of new energy having a high potential.
It is following 20 years, as China " send in western gas east ", the constantly improve and liquefied natural gas (LNG) of national gas distributing system
Extensive use, the fuel cell power generating system of natural gas fuel will have very big market.Fuel cell can with water power, wind-powered electricity generation and
Solar power generation etc. is combined, and forms the generation mode of higher efficiency.
The long distance pipeline of natural gas uses high pressure in the world at present, and majority Long-distance Transmission Pipeline pressure all exists both at home and abroad
More than 10MPa.The Natural Gas Station of each department and receiving station, require main conduit day according to the supply gas pressure of downstream user
Right gas is supplied to gas family after carrying out pressure regulation.Natural gas discharges substantial amounts of pressure energy during pressure regulation, these pressure
Can be used for generating electricity, freeze, liquefy, heat in terms of recycling.
However, the pressure energy and the use in conjunction of new energy source fuel cell technology that are discharged on gas distributing system, exist at present
High-pressure natural gas pipe network not yet provides effective solution.
Utility model content
Main purpose of the present utility model is to provide a kind of natural gas line differential pressure fuel cell generation, to solve
The problem of pressure energy and new energy source fuel cell technical tie-up that in the prior art gas distributing system can not be discharged are applied.
To achieve these goals, fired according to one side of the present utility model there is provided a kind of natural gas line differential pressure
Expect battery generating system, it includes heater, and the Imported gas pipeline of heater is connected with high-pressure natural gas pipe network, plus
The gas outlet pipeline of thermal is connected with the inlet pipeline of regulator, and the outlet conduit and low pressure of regulator are natural
Gas pipe network is connected；Differential pressure generating device, the Imported gas pipeline of differential pressure generating device and the gas outlet pipe of heater
Road is connected, and the gas outlet pipeline of differential pressure generating device is connected with low pressure natural gas pipe network；And fuel cell power generating system,
The fuel inlet of fuel cell power generating system is connected with low pressure natural gas pipe network.
Further, electricity generation system also includes：Gas turbine generating set, the fuel inlet of gas turbine generating set with
Low pressure natural gas pipe network is connected.
Further, differential pressure generating device is turbine turbine.
Further, heater is waste heat boiler.
Further, exhanst gas outlet, the gas turbine of the gas approach of waste heat boiler respectively with fuel cell power generating system
The exhanst gas outlet of TRT is connected.
Further, electricity generation system also includes：Air-introduced machine, the import of air-introduced machine is connected with the exhanst gas outlet of waste heat boiler；
Chimney, chimney is connected with the outlet of air-introduced machine.
Further, the fuel gas inlet of waste heat boiler is connected with low pressure natural gas pipe network.
Further, electricity generation system also includes：Electrical power regulator, electrical power regulator respectively with differential pressure generating device
The output circuit of output circuit, the output circuit of fuel cell power generating system and gas turbine generating set is connected.
Further, electricity generation system also includes：Air duct, air inlet, the fuel of air duct respectively with waste heat boiler
The air inlet of power plant and the air inlet of gas turbine generating set are connected.
Further, regulator is pressure regulator valve.
Using the technical solution of the utility model there is provided a kind of natural gas line differential pressure fuel cell generation, its
Including heater, differential pressure generating device, and fuel cell power generating system；The inlet pipeline and high-pressure natural gas of heater
Pipe network is connected, the outlet conduit of heater inlet pipeline respectively with regulator, the inlet pipeline phase of differential pressure generating device
Even；The outlet conduit of regulator, the outlet conduit of differential pressure generating device are connected with low pressure natural gas pipe network respectively；Fuel cell
The fuel inlet of TRT is connected with low pressure natural gas pipe network.
The above-mentioned electricity generation system provided using the utility model, the natural gas of high-pressure natural gas pipe network is introduced into heater
Heated.Enter low pressure natural gas pipe network, another Lu Zejin after regulator pressure regulation all the way in natural gas after heating
Enter differential pressure generating device acting generating, the natural gas after acting goes successively to low pressure natural gas pipe network.In addition, the one of low-pressure pipe network
Road natural gas incoming fuel power plant, the oxidizing process of natural gas is carried out in anode, and negative electrode carries out the reduction of oxidant
Process, conductive ion is migrated in electrolyte, electronics done work by external circuit and constitute electricity loop.As can be seen here, this practicality
Pressure energy and new energy source fuel cell TRT technology that new above-mentioned electricity generation system well discharges gas distributing system
It is combined, using fuel cell power generating system and the clean energy resource electricity generation system of differential pressure generating device formation effectively by natural gas
The pressure energy of pipe network release is converted to electric energy, improves the comprehensive utilization ratio of natural gas.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 is shown to be shown according to a kind of natural gas line differential pressure fuel cell generation of embodiment of the present utility model
It is intended to.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, heater；11st, regulator；20th, differential pressure generating device；30th, fuel cell power generating system；40th, combustion gas wheel
Machine TRT；50th, air-introduced machine；60th, chimney；70th, electrical power regulator；A, high-pressure natural gas pipe network；B, low pressure natural gas pipe
Net；C, urban distribution network；D, air.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The application is described in further detail below in conjunction with specific embodiment, these embodiments are it is not intended that limit this
Apply for scope claimed.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
New and its application or any limitation used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Scope of the present utility model is not limited up to formula and numerical value.Simultaneously, it should be appreciated that each shown in accompanying drawing for the ease of description
The size of individual part is not to be drawn according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as awarding
Weigh a part for specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：It is similar
Label and letter similar terms is represented in following accompanying drawing, therefore, once be defined in a certain Xiang Yi accompanying drawing, then with
It need not be further discussed in accompanying drawing afterwards.
As described by background section, pressure energy that prior art at present can not discharge gas distributing system and new
Energy fuel cell power generation technical tie-up application, so that the pressure energy of gas distributing system release is wasted significantly.
In order to solve this problem, the utility model provides a kind of natural gas line differential pressure fuel cell generation,
As shown in figure 1, it includes heater 10, differential pressure generating device 20 and fuel cell power generating system 30, heater 10
Imported gas pipeline is connected with high-pressure natural gas pipe network a, the gas outlet pipeline of heater 10 respectively with regulator
11 inlet pipeline, the Imported gas pipeline of differential pressure generating device 20 are connected；Outlet conduit, the Differential pressure power generation of regulator 11
The gas outlet pipeline of device 20 is connected with low pressure natural gas pipe network b respectively；The fuel inlet of fuel cell power generating system 30
It is connected with low pressure natural gas pipe network b.
The above-mentioned electricity generation system provided using the utility model, high-pressure natural gas pipe network a natural gas is introduced into heating dress
10 are put to be heated.Enter low pressure natural gas pipe network b after the pressure regulation of regulator 11 all the way in natural gas after heating, it is another
Road then enters the acting of differential pressure generating device 20 and generated electricity, and the natural gas after acting goes successively to low pressure natural gas pipe network b.In addition, low
The gas distributing system a incoming fuel of natural gas all the way power plant 30 is pressed, the oxidizing process of natural gas is carried out in anode, it is cloudy
Pole carries out the reduction process of oxidant, and conductive ion migrate in electrolyte, and electronics do work by external circuit and constitutes electric time
Road.As can be seen here, pressure energy and the new energy combustion that the above-mentioned electricity generation system of the utility model well discharges gas distributing system
Material battery technology is combined, and utilizes fuel cell power generating system 30 and the clean energy resource electricity generation system of the formation of differential pressure generating device 20
The pressure energy that gas distributing system discharges effectively is converted into electric energy, the comprehensive utilization ratio of natural gas is improved.
In a kind of preferred embodiment, as shown in figure 1, electricity generation system also includes：Gas turbine generating set 40, combustion gas
The fuel inlet of turbine TRT 40 is connected with low pressure natural gas pipe network b.Gas turbine generating set 40 is further set, it is low
The natural gas all the way of pressure pipe net enters gas turbine generating set 40, the compressor (i.e. compressor) of gas turbine generating set 40
Air is continuously sucked from air and is compressed it.Air after compression enters combustion chamber, after being mixed with the natural gas of penetrating
Burning, as high-temperature fuel gas, and flows into expansion work in combustion gas turbine, driving generator rotates together.So, it is possible to use combustion
Gas-turbine TRT 40 further carries out natural gas power, so as to further improve the utilization rate of natural gas.
Preferably, the connection end of gas turbine generating set 40, fuel cell power generating system 30 and low pressure natural gas pipe network b
Positioned at differential pressure generating device 20, regulator 11 and the downstream of low pressure natural gas pipe network b connection ends.
In a kind of preferred embodiment, differential pressure generating device 20 is turbine turbine.Difference is used as using turbine turbine
Enter turbine turbine expansion work all the way in power generation device 20, the natural gas after heating, driving generator rotates together,
Natural gas after acting enters low-pressure pipe network.The generating efficiency of turbine turbine is higher, is conducive to further improving natural fate
The utilization rate of defeated pressure energy.
Above-mentioned heater can use common type, it is highly preferred that heater 10 is waste heat boiler.Utilize waste heat pot
Stove being capable of more effectively heated natural gas.
In a kind of preferred embodiment, the flue gas of the gas approach of waste heat boiler respectively with fuel cell power generating system 30
Outlet, the exhanst gas outlet of gas turbine generating set 40 are connected.In fuel cell power generating system 30 and gas turbine generating set
In 40 power generation process, high-temperature flue gas can be produced.These high-temperature flue gas are delivered to waste heat boiler, natural gas can be used as
Medium is heated, so as to reach the purpose of energy-conservation.
In a kind of preferred embodiment, electricity generation system also includes：Air-introduced machine 50 and chimney 60, the import of air-introduced machine 50 with
The exhanst gas outlet of waste heat boiler is connected；Chimney 60 is connected with the outlet of air-introduced machine 50.Fuel cell power generating system 30 and combustion gas wheel
The high-temperature flue gas produced in the power generation process of machine TRT 40, after the recuperation of heat through waste heat boiler, the low-temperature flue gas of formation
Can air-introduced machine 50 direct effect under enter chimney 60, it is to be combusted after be emitted into air.
Certainly, in order to make up the shortage of heat of high-temperature flue gas, in a kind of preferred embodiment, the fuel gas of waste heat boiler
Import is connected with low pressure natural gas pipe network.So, waste heat boiler heating high-pressure natural gas institute can not be met in high-temperature flue gas
During the temperature needed, waste heat boiler can be automatically replenished natural gas and be burnt, and reach the heating temperature required for high-pressure natural gas
Degree.
In a kind of preferred embodiment, as shown in figure 1, electricity generation system also includes：Electrical power regulator 70, electrical power is adjusted
Save output circuit, the output circuit of fuel cell power generating system 30 and the gas turbine hair of device 70 respectively with differential pressure generating device 20
The output circuit of electric installation 40 is connected.Using electrical power regulator 70, differential pressure generating device 20, fuel cell power generation can be filled
Put 30 and the electric power that is exported of gas turbine generating set 40 carry out electrical power regulation, so as to by the electricity feeding city after conciliation
Utility grid c.
In a kind of preferred embodiment, electricity generation system also includes：Air duct, air duct respectively with waste heat boiler
The air inlet of air inlet, the air inlet of fuel cell power generating system 30 and gas turbine generating set 40 is connected.Air duct can
Can be air d to provide combustion-supporting gas for waste heat boiler, fuel cell power generating system 30 and gas turbine generating set 40,
Can be oxygen.
In a kind of preferred embodiment, regulator 11 is pressure regulator valve.
As can be seen from the above description, the utility model the above embodiments realize following technique effect：
The above-mentioned electricity generation system provided using the utility model, the natural gas of high-pressure natural gas pipe network is introduced into heater
Heated.Enter low pressure natural gas pipe network, another Lu Zejin after regulator pressure regulation all the way in natural gas after heating
Enter differential pressure generating device acting generating, the natural gas after acting goes successively to low pressure natural gas pipe network.In addition, low pressure natural gas pipe
The incoming fuel power plant of natural gas all the way of net, the oxidizing process of natural gas is carried out in anode, and negative electrode carries out oxidant
Reduction process, conductive ion migrated in electrolyte, and electronics is done work by external circuit and constitutes the loop of electricity.As can be seen here,
Pressure energy and new energy source fuel cell technology phase that the above-mentioned electricity generation system of the utility model well discharges gas distributing system
With reference to using fuel cell power generating system and the clean energy resource electricity generation system of differential pressure generating device formation effectively by natural gas tube
The pressure energy of net release is converted to electric energy, improves the comprehensive utilization ratio of natural gas.It is highly preferred that further setting gas turbine
TRT, the natural gas all the way of low-pressure pipe network enters gas turbine generating set, and the compressor of gas turbine generating set connects
Continuous ground sucks air and compressed it from air.Air after compression enters combustion chamber, the natural gas mixing after-burning with penetrating
Burn, as high-temperature fuel gas, and flow into expansion work in combustion gas turbine, driving generator rotates together.So, it is possible to use combustion gas
Turbine TRT further carries out natural gas power, so as to further improve the utilization rate of natural gas.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of natural gas line differential pressure fuel cell generation, it is characterised in that including：
Heater (10), the Imported gas pipeline of the heater (10) is connected with high-pressure natural gas pipe network, described to add
The gas outlet pipeline of thermal (10) is connected with the inlet pipeline of regulator (11), and the regulator (11) go out
Mouth pipeline is connected with low pressure natural gas pipe network；
Differential pressure generating device (20), Imported gas pipeline and the heater (10) of the differential pressure generating device (20)
Gas outlet pipeline is connected, gas outlet pipeline and the low pressure natural gas pipe network phase of the differential pressure generating device (20)
Even；And
Fuel cell power generating system (30), fuel inlet and the low pressure natural gas pipe of the fuel cell power generating system (30)
Net is connected.
2. electricity generation system according to claim 1, it is characterised in that the electricity generation system also includes：
Gas turbine generating set (40), fuel inlet and the low pressure natural gas pipe of the gas turbine generating set (40)
Net is connected.
3. electricity generation system according to claim 2, it is characterised in that the differential pressure generating device (20) is turbine turbine
Machine.
4. the electricity generation system according to Claims 2 or 3, it is characterised in that the heater (10) is waste heat boiler.
5. electricity generation system according to claim 4, it is characterised in that the gas approach of the waste heat boiler respectively with it is described
The exhanst gas outlet of fuel cell power generating system (30), the exhanst gas outlet of the gas turbine generating set (40) are connected.
6. electricity generation system according to claim 4, it is characterised in that the electricity generation system also includes：
Air-introduced machine (50), the import of the air-introduced machine (50) is connected with the exhanst gas outlet of the waste heat boiler；
Chimney (60), the chimney (60) is connected with the outlet of the air-introduced machine (50).
7. electricity generation system according to claim 4, it is characterised in that the fuel gas inlet of the waste heat boiler with it is described low
Gas distributing system is pressed to be connected.
8. the electricity generation system according to claim 6 or 7, it is characterised in that the electricity generation system also includes：
Electrical power regulator (70), the output electricity of the electrical power regulator (70) respectively with the differential pressure generating device (20)
The output circuit phase on road, the output circuit of the fuel cell power generating system (30) and the gas turbine generating set (40)
Even.
9. electricity generation system according to claim 4, it is characterised in that the electricity generation system also includes：
Air duct, air inlet, the fuel cell power generating system (30) of the air duct respectively with the waste heat boiler
Air inlet and the gas turbine generating set (40) air inlet be connected.
10. electricity generation system according to any one of claim 1 to 3, it is characterised in that the regulator (11) is tune
Pressure valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720050687.9U CN206458540U (en) | 2017-01-16 | 2017-01-16 | Natural gas line differential pressure fuel cell generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720050687.9U CN206458540U (en) | 2017-01-16 | 2017-01-16 | Natural gas line differential pressure fuel cell generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206458540U true CN206458540U (en) | 2017-09-01 |
Family
ID=59695623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720050687.9U Active CN206458540U (en) | 2017-01-16 | 2017-01-16 | Natural gas line differential pressure fuel cell generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206458540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593651A (en) * | 2017-01-16 | 2017-04-26 | 碧海舟（北京）节能环保装备有限公司 | Natural gas pipeline differential pressure fuel-cell power generation system |
-
2017
- 2017-01-16 CN CN201720050687.9U patent/CN206458540U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593651A (en) * | 2017-01-16 | 2017-04-26 | 碧海舟（北京）节能环保装备有限公司 | Natural gas pipeline differential pressure fuel-cell power generation system |
| CN106593651B (en) * | 2017-01-16 | 2019-07-05 | 碧海舟（北京）节能环保装备有限公司 | Natural gas line differential pressure fuel cell generation |
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