CN206280736U - A kind of gaseous-pressure energy electricity generation system - Google Patents
A kind of gaseous-pressure energy electricity generation system Download PDFInfo
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- CN206280736U CN206280736U CN201621425959.0U CN201621425959U CN206280736U CN 206280736 U CN206280736 U CN 206280736U CN 201621425959 U CN201621425959 U CN 201621425959U CN 206280736 U CN206280736 U CN 206280736U
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- pressure
- temperature
- pipe network
- gaseous
- electricity generation
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Abstract
The utility model is related to natural gas transportation technical field, disclose a kind of gaseous-pressure energy electricity generation system, including high pressure pipe network, low-pressure pipe network, turbo-expander, generator and temperature balancing device, high pressure pipe network connects low-pressure pipe network by main combustible pipe road, high pressure pipe network is sequentially connected turbo-expander by branch's gas pipeline, temperature balancing device and low-pressure pipe network, turbo-expander connects generator, temperature balancing device includes temperature and pressure transmitting system, PLC control system and recuperator, temperature and pressure transmitting system connects temperature sensor and pressure sensor, PLC control system connects temperature and pressure transmitting system and recuperator, recuperator is internally provided with resistance wire coil pipe, resistance wire coil pipe connection branch gas pipeline.The utility model is depressured by high-pressure natural gas to transmission pipeline network, and energy of Collection utilization its release is generated electricity, while heating up to reach use requirement again to the cryogenic natural gas after step-down using unnecessary electric energy, realizes energy-conserving and environment-protective.
Description
Technical field
The utility model is related to natural gas transportation technical field, more particularly to a kind of gaseous-pressure energy electricity generation system.
Background technology
With developing rapidly for Gas Industry, China accelerates the construction of gas distributing system, long range, heavy caliber, height
Pressure, networking and gradually form large-scale air supply system turned into our times natural gas pipeline development trend.High pressure
Natural gas contain huge pressure energy, high-pressure natural gas reach each Men Zhanhou, it is necessary to the supply gas pressure according to user is adjusted
Pressure, can produce very big pressure drop, substantial amounts of energy be discharged, while its temperature can be greatly lowered.Traditional pressure reduction is caused
Energy dissipation, while high-pressure gas are reduced by temperature after step-down, need to be heated to meet downstream delivery temperature requirement, enter one
Step consumed energy.In order to make full use of natural gas to be depressured the energy of release, while reducing the consumed heat of natural gas intensification, need
The facility of pipe network conveying pressure reduction is improved, realize effect of energy-conserving and environment-protective.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of gaseous-pressure energy electricity generation system, both
The energy discharged in natural gas pressure reduction can be utilized, it is also possible to reduce the consumed heat of low pressure natural gas intensification.
In order to achieve the above object, the technical solution adopted in the utility model is:A kind of gaseous-pressure energy electricity generation system, bag
High pressure pipe network, low-pressure pipe network, turbo-expander, generator and temperature balancing device are included, high pressure pipe network is connected by main combustible pipe road
Low-pressure pipe network is connect, high pressure pipe network is sequentially connected turbo-expander, temperature balancing device and low-pressure pipe network by branch's gas pipeline,
Stop valve and pneumatic operated valve are provided with described main combustible pipe road;Described turbo-expander connection generator;Described temperature
Bascule includes temperature and pressure transmitting system, PLC control system and recuperator, temperature and pressure transmitting system connection temperature sensor and pressure
Sensor, PLC control system connection temperature and pressure transmitting system and recuperator, recuperator connection battery.
Further, it is provided with stop valve on branch's gas pipeline as described above, screws valve and switch valve, described rotation
Stubborn valve is arranged between high pressure pipe network and turbo-expander, and switch valve is arranged between temperature balancing device and low-pressure pipe network.
Further, it is also equipped with temperature on the branch's gas pipeline between high pressure pipe network as described above and turbo-expander
Degree sensor, pressure sensor and flowmeter.
Further, be provided with branch's gas pipeline at temperature balancing device two ends as described above temperature sensor and
Pressure sensor.
Further, generator as described above connects direct current and alternating current respectively, and exchange electrically connects externally fed net,
Direct current electrically connects battery.
Further, recuperator as described above is internally provided with resistance wire coil pipe.
Further, resistance wire coil pipe connection branch gas pipeline as described above.
Compared with prior art, the beneficial effects of the utility model are:In natural gas pressure reduction, turbine expansion is used
Machine expansion power generation, recycles the electric energy of the savings that generate electricity to heat up the natural gas of low-pressure low-temperature, so as to realize the abundant of energy
Utilize, whole system high degree of automation, safety coefficient is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of temperature balancing device in Fig. 1;
Mark in accompanying drawing for:1. high pressure pipe network;2. branch's gas pipeline;3. stop valve;4. temperature sensor;5. pressure
Sensor;6. flowmeter;7. valve is screwed;8. turbo-expander;9. temperature balancing device;10. switch valve;11. direct currents;12.
Alternating current;13. generators;14. low-pressure pipe networks;15. pneumatic operated valves;16. main combustible pipe roads.
Specific embodiment
It is described in detail referring to the drawings with reference to embodiment, to enter to technical characteristic of the present utility model and advantage
Row deeper into annotation.
As shown in Figure 1-2, a kind of gaseous-pressure energy electricity generation system of the present utility model, including high pressure pipe network 1, low-pressure pipe network
14th, turbo-expander 8, generator 13 and temperature balancing device 9, high pressure pipe network 1 connect low-pressure pipe network by main combustible pipe road 16
14, high pressure pipe network 1 is sequentially connected turbo-expander 8, temperature balancing device 9 and low-pressure pipe network 14, institute by branch's gas pipeline 2
Stop valve 3 and pneumatic operated valve 15 are provided with the main combustible pipe road 16 stated;The described connection generator 13 of turbo-expander 8, generates electricity
Machine 13 connects direct current 11 and alternating current 12, the connection externally fed net of alternating current 12, the connection electric power storage of direct current 11 respectively after generating electricity
Pond charging accumulation of energy;Described temperature balancing device 9 includes temperature and pressure transmitting system, PLC control system and recuperator, temperature and pressure pick-up system
System connection temperature sensor 4 and pressure sensor 5 receive temperature and pressure data, PLC control system connection temperature and pressure transmitting system
And recuperator, to gather temperature and pressure data processed and controlled the start and stop of recuperator, recuperator connection battery carry
Power supply energy, recuperator is internally provided with resistance wire coil pipe and can heat, and resistance wire coil pipe connection branch gas pipeline 2 is low to low pressure
The natural gas of temperature is heated up.
Further, stop valve 3 is provided with described branch's gas pipeline 2, valve 7 and switch valve 10 is screwed, it is described
Screw valve 7 to be arranged between high pressure pipe network 1 and turbo-expander 8, switch valve 10 is arranged on temperature balancing device 9 and low-pressure pipe network
Between 14, temperature sensor 4, pressure biography is also equipped with the branch's gas pipeline 2 between high pressure pipe network 1 and turbo-expander 8
Sensor 5 and flowmeter 6, temperature sensor 4 and pressure sensing are provided with branch's gas pipeline 2 at the two ends of temperature balancing device 9
Device 5.
A kind of gaseous-pressure energy electricity generation system of the present utility model, high pressure pipe network 1 is by the cut-off on main combustible pipe road 16
Valve 3 and the connection low-pressure pipe network 14 of pneumatic operated valve 15, can suitably adjust voltage drop value on main combustible pipe road 16;High pressure pipe network 1 is by dividing
The connection turbo-expander 8 of branch gas pipeline 2 is generated electricity, the connection externally fed network of alternating current 12 that generator 13 generates electricity, directly
Stream electricity 11 is then stored by battery.Natural gas temperature reduction after being generated electricity using turbo-expander 8, is not met in entering
The temperature requirement of pressure pipe net to the natural gas of low-pressure low-temperature by temperature balancing device 9, it is necessary to be heated up, PLC controls are again
System is analyzed by the temperature and pressure data that temperature and pressure transmitting system is received, and controls the start and stop of recuperator to realize heating work(
Can, and recuperator heats consumed electric energy and then derives from battery.Therefore, the energy that whole system need not be outside, while
Can also be powered to external electrical network, realize the function of energy-conserving and environment-protective.
Clear, complete description is carried out to the utility model by the technical scheme in above example, it is clear that described
Embodiment be the embodiment of the utility model part, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
Claims (7)
1. a kind of gaseous-pressure energy electricity generation system, including high pressure pipe network(1), low-pressure pipe network(14), turbo-expander(8), generate electricity
Machine(13)And temperature balancing device(9), high pressure pipe network(1)By main combustible pipe road(16)Connection low-pressure pipe network(14), high-voltage tube
Net(1)By branch's gas pipeline(2)It is sequentially connected turbo-expander(8), temperature balancing device(9)And low-pressure pipe network(14),
Characterized in that, described main combustible pipe road(16)On be provided with stop valve(3)And pneumatic operated valve(15);Described turbo-expander
(8)Connection generator(13);Described temperature balancing device(9)Including temperature and pressure transmitting system, PLC control system and recuperator,
Temperature and pressure transmitting system connects temperature sensor(4)And pressure sensor(5), PLC control system connection temperature and pressure transmitting system and multiple
Hot device, recuperator connection battery.
2. gaseous-pressure energy electricity generation system according to claim 1, it is characterised in that described branch's gas pipeline(2)
On be provided with stop valve(3), screw valve(7)And switch valve(10), described screws valve(7)It is arranged on high pressure pipe network(1)With it is saturating
Flat expanding machine(8)Between, switch valve(10)It is arranged on temperature balancing device(9)And low-pressure pipe network(14)Between.
3. gaseous-pressure energy electricity generation system according to claim 1, it is characterised in that described high pressure pipe network(1)With it is saturating
Flat expanding machine(8)Between branch's gas pipeline(2)On be also equipped with temperature sensor(4), pressure sensor(5)And flowmeter
(6).
4. gaseous-pressure energy electricity generation system according to claim 1, it is characterised in that described temperature balancing device(9)
Branch's gas pipeline at two ends(2)On temperature sensor is installed(4)And pressure sensor(5).
5. gaseous-pressure energy electricity generation system according to claim 1, it is characterised in that described generator(13)Connect respectively
Connect direct current(11)And alternating current(12), alternating current(12)Connection externally fed net, direct current(11)Connection battery.
6. gaseous-pressure energy electricity generation system according to claim 1, it is characterised in that described recuperator is internally provided with
Resistance wire coil pipe.
7. gaseous-pressure energy electricity generation system according to claim 6, it is characterised in that described resistance wire coil pipe connection point
Branch gas pipeline(2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621425959.0U CN206280736U (en) | 2016-12-23 | 2016-12-23 | A kind of gaseous-pressure energy electricity generation system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621425959.0U CN206280736U (en) | 2016-12-23 | 2016-12-23 | A kind of gaseous-pressure energy electricity generation system |
Publications (1)
Publication Number | Publication Date |
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CN206280736U true CN206280736U (en) | 2017-06-27 |
Family
ID=59071844
Family Applications (1)
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CN201621425959.0U Expired - Fee Related CN206280736U (en) | 2016-12-23 | 2016-12-23 | A kind of gaseous-pressure energy electricity generation system |
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CN (1) | CN206280736U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107144315A (en) * | 2017-06-29 | 2017-09-08 | 北京建筑大学 | A kind of gas flow metering device and method based on screw type expansion machine |
CN113404552A (en) * | 2021-07-27 | 2021-09-17 | 南充西南石油大学设计研究院有限责任公司 | High-voltage energy shielding type power generation device |
-
2016
- 2016-12-23 CN CN201621425959.0U patent/CN206280736U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107144315A (en) * | 2017-06-29 | 2017-09-08 | 北京建筑大学 | A kind of gas flow metering device and method based on screw type expansion machine |
CN107144315B (en) * | 2017-06-29 | 2019-06-18 | 北京建筑大学 | A kind of gas flow metering device and method based on screw type expansion machine |
CN113404552A (en) * | 2021-07-27 | 2021-09-17 | 南充西南石油大学设计研究院有限责任公司 | High-voltage energy shielding type power generation device |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20181223 |