CN202971069U - Improved automation natural gas differential pressure electricity generating heating system - Google Patents
Improved automation natural gas differential pressure electricity generating heating system Download PDFInfo
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- CN202971069U CN202971069U CN 201220682472 CN201220682472U CN202971069U CN 202971069 U CN202971069 U CN 202971069U CN 201220682472 CN201220682472 CN 201220682472 CN 201220682472 U CN201220682472 U CN 201220682472U CN 202971069 U CN202971069 U CN 202971069U
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- differential pressure
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- rock gas
- shell
- generating device
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Abstract
The utility model discloses an improved automation natural gas differential pressure electricity generating heating system which structurally comprises a differential pressure electricity generating device, a central control system, a pressure transmitter, an electric flow adjusting valve, an automatic emptying valve, an electric ball valve and an electric heating device. The pressure transmitter, the electric flow adjusting valve, the automatic emptying valve, the electric ball valve and the electric heating device are connected with the central control system. According to the improved automation natural gas differential pressure electricity generating heating system, shortcomings in the prior art can be overcome, pressure energy of natural gas is used for generating electricity, electricity is converted into heat for heating the natural gas before pressure adjusting, comprehensive using ratio of energy is improved, and enterprise running cost is saved.
Description
Technical field
The utility model relates to a kind of rock gas Differential pressure power generation heating system, especially a kind of improved automation rock gas Differential pressure power generation heating system.
Background technique
The rock gas of gas distributing system is keeping very high pressure when arriving user side, because downstream user can't directly be used so high pressure, so must carry out step-down to high-pressure natural gas processes, the huge energy that the very fast expansion of step-down process mesohigh rock gas produces is always by being lost in vain, and the low temperature because throttle effect produces also threatens to the safety of pressure regulator valve and gas line network.Safety for assurance equipment and downstream user use gas must heat the rock gas before pressure regulation.
The present shortcoming of rock gas pressure energy power generation system and heated by natural gas system:
At present the rock gas Differential pressure power generation is poor controllability, and when the pressure of natural gas upstream and downstream user gas consumption changed, power generation system also can change thereupon, and the unstability of electric current and voltage can impact consumer or electrical network.Be difficult for producing economic benefit.The utilization ratio of pressure energy is lower.
Power generation system lacks necessary safety system, when device fails, and the generation of the Accident prevention that can't in time take effective measure to.
Now heated by natural gas equipment generally adopts gas fired boiler to heat, and the production of its boiler, supplementary equipment, maintenance cost are higher.And need a large amount of rock gases of consumption to work.
The model utility content
The technical problems to be solved in the utility model is to provide a kind of improved automation rock gas Differential pressure power generation heating system, can solve the deficiencies in the prior art, utilize the pressure energy generating of rock gas, and be that heat energy is that rock gas before pressure regulation heats with electric energy conversion, improve the comprehensive utilization ratio of the energy and save the enterprise operation cost.Electric energy more than needed can also be supplied to gas transmission station use or be connected to the grid.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
a kind of improved automation rock gas Differential pressure power generation heating system, structure comprises differential pressure generating device, also comprise at least one electric flow control valve that is arranged on main line, be arranged at least two electric ball valves on branch road before and after described differential pressure generating device, be arranged at least one natural gas filter on the branch road of described differential pressure generating device front and at least one automatic air release valve on the branch road of back, be separately positioned on main line and branch road at least two stopcocks, be arranged at least one cover Electric heating appliance on branch road and be arranged near at least one pressure transmitter on the main line of minute defeated station voltage-regulating system and at least one temperature transmitter, and at least one cover central control system, the input end of described central control system is connected with described pressure transmitter and temperature transmitter, and the output terminal of described central control system is connected with described electric flow control valve, automatic air release valve, electric ball valve, Electric heating appliance and differential pressure generating device.
As a kind of optimal technical scheme of the present utility model, the structure of described differential pressure generating device comprises generator, speed changer, stator blade, moving vane and the nozzle vane that connects successively by coupling shaft; Be provided with shaft temperature sensor and bearing lubrication system on described stator blade and nozzle vane, in described bearing lubrication system, heating wire be set; The shell of described differential pressure generating device arranges at least one shock sensor.
As a kind of optimal technical scheme of the present utility model, the structure of described Electric heating appliance comprises shell, is arranged on electrical heating rod and the high pressure coil pipe of enclosure; Enclosure has been full of heat-conducting medium.
As a kind of optimal technical scheme of the present utility model, described heat-conducting medium is conduction oil or antifreeze liquid.
As a kind of optimal technical scheme of the present utility model, the structure of described Electric heating appliance comprises shell and the electrical heating rod that is arranged on enclosure, and described electrical heating rod directly heats rock gas.
As a kind of optimal technical scheme of the present utility model, the structure of described Electric heating appliance comprises shell and the PTC ceramic heating flake that is arranged on enclosure, and described PTC ceramic heating flake directly heats rock gas.
Adopt the beneficial effect that technique scheme is brought to be: to utilize the pressure energy generating of rock gas, and be that heat energy is that rock gas before pressure regulation heats with electric energy conversion, improve the comprehensive utilization ratio of the energy and save the enterprise operation cost.Electric energy more than needed can also be supplied to gas transmission station use or be connected to the grid.By pressure transmitter and automatic air release valve are set, under the regulation and control of central control system, can guarantee the pressure stability of rock gas in pipeline, reduce potential safety hazard, improve generating efficiency.
Description of drawings
Fig. 1 is the schematic diagram of an embodiment of the utility model.
Fig. 2 is the schematic diagram of differential pressure generating device in embodiment of the utility model.
Fig. 3 is the first embodiment's of Electric heating appliance of the present utility model schematic diagram.
Fig. 4 is the second embodiment's of Electric heating appliance of the present utility model schematic diagram.
Fig. 5 is the third embodiment's of Electric heating appliance of the present utility model schematic diagram.
In figure: 1, differential pressure generating device; 2, electric flow control valve; 3, electric ball valve; 4, stopcock; 5, Electric heating appliance; 6, automatic air release valve; 7, pressure transmitter; 8, central control system; 9, generator; 10, speed changer; 11, stator blade; 12, moving vane; 13, nozzle vane; 14, coupling shaft; 15, shaft temperature sensor; 16, shock sensor; 17, shell; 18, electrical heating rod; 19, high pressure coil pipe; 20, heat-conducting medium; 21, PTC ceramic heating flake; 22, divide defeated station voltage-regulating system; 23, temperature transmitter; 24, natural gas filter; 25, bearing lubrication system; 26, heating wire.
Embodiment
referring to accompanying drawing 1 and accompanying drawing 2, structure of the present utility model comprises differential pressure generating device 1, also comprise an electric flow control valve 2 that is arranged on main line in structure, be arranged on two electric ball valves 3 on described differential pressure generating device 1 front and back branch road, be arranged on natural gas filter 24 on described differential pressure generating device 1 front branch road and an automatic air release valve 6 on the branch road of back, be separately positioned on main line and branch road on two stopcocks 4, be arranged on the cover of one on branch road Electric heating appliance 5 and be arranged near a pressure transmitter 7 and a temperature transmitter 23 on the main line of minute defeated station voltage-regulating system 22, and one the cover central control system 8, the input end of described central control system 8 is connected with described pressure transmitter 7 and temperature transmitter 23, and the output terminal of described central control system 8 is connected with described electric flow control valve 2, automatic air release valve 6, electric ball valve 3, Electric heating appliance 5 and differential pressure generating device 1.The structure of described differential pressure generating device 1 comprises generator 9, speed changer 10, stator blade 11, moving vane 12 and the nozzle vane 13 that connects successively by coupling shaft 14; Be provided with shaft temperature sensor 15 and bearing lubrication system 25 on described stator blade 11 and nozzle vane 13, in described bearing lubrication system 25, heating wire 26 be set; The shell of described differential pressure generating device 1 arranges four shock sensors 16.
Electric heating appliance of the present utility model can have numerous embodiments.
Referring to accompanying drawing 1 and accompanying drawing 2, working principle of the present utility model is: after high-pressure natural gas enters differential pressure generating device 1, promote blade rotary, and then drive generator 9 rotation generatings by coupling shaft 14 and speed changer 10.Reduce through the gas pressure after differential pressure generating device 1, reduced the decompression difficulty of minute defeated station voltage-regulating system 22.Simultaneously, the electric energy that sends is used for Electric heating appliance 5, rock gas is heated, remaining electric energy can and and electrical network, energy-conserving and environment-protective.By pressure transmitter 7 and automatic air release valve 6 are set, under the regulation and control of central control system 8, can guarantee the pressure stability of rock gas in pipeline on gas pipeline, reduce potential safety hazard, improve generating efficiency.
Foregoing description only proposes as the enforceable technological scheme of the utility model, not as the Single restriction condition to its technological scheme itself.
Claims (6)
1. improved automation rock gas Differential pressure power generation heating system, structure comprises differential pressure generating device (1), it is characterized in that: also comprise at least one electric flow control valve (2) that is arranged on main line in structure, be arranged at least two electric ball valves (3) on branch road before and after described differential pressure generating device (1), be arranged at least one natural gas filter (24) on the branch road of described differential pressure generating device (1) front and at least one automatic air release valve (6) on the branch road of back, be separately positioned on main line and branch road at least two stopcocks (4), be arranged at least one cover Electric heating appliance (5) on branch road and be arranged near at least one pressure transmitter (7) and at least one temperature transmitter (23) on the main line of minute defeated station voltage-regulating system (22), and at least one cover central control system (8), the input end of described central control system (8) is connected with described pressure transmitter (7) and temperature transmitter (23), and the output terminal of described central control system (8) is connected with described electric flow control valve (2), automatic air release valve (6), electric ball valve (3), Electric heating appliance (5) and differential pressure generating device (1).
2. improved automation rock gas Differential pressure power generation heating system according to claim 1, it is characterized in that: the structure of described differential pressure generating device (1) comprises generator (9), speed changer (10), stator blade (11), moving vane (12) and the nozzle vane (13) that connects successively by coupling shaft (14); Be provided with shaft temperature sensor (15) and bearing lubrication system (25) on described stator blade (11) and nozzle vane (13), heating wire (26) is set in described bearing lubrication system (25); The shell of described differential pressure generating device (1) arranges at least one shock sensor (16).
3. improved automation rock gas Differential pressure power generation heating system according to claim 1 is characterized in that: the structure of described Electric heating appliance (5) comprises shell (17), is arranged on shell (17) inner electrical heating rod (18) and high pressure coil pipe (19); Shell (17) inside has been full of heat-conducting medium (20).
4. improved automation rock gas Differential pressure power generation heating system according to claim 3, it is characterized in that: described heat-conducting medium (20) is conduction oil or antifreeze liquid.
5. improved automation rock gas Differential pressure power generation heating system according to claim 1, it is characterized in that: the structure of described Electric heating appliance (5) comprises shell (17) and is arranged on the inner electrical heating rod (18) of shell (17), and described electrical heating rod (18) directly heats rock gas.
6. improved automation rock gas Differential pressure power generation heating system according to claim 1, it is characterized in that: the structure of described Electric heating appliance (5) comprises shell (17) and is arranged on the inner PTC ceramic heating flake (21) of shell (17), and described PTC ceramic heating flake (21) directly heats rock gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682472 CN202971069U (en) | 2012-12-12 | 2012-12-12 | Improved automation natural gas differential pressure electricity generating heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682472 CN202971069U (en) | 2012-12-12 | 2012-12-12 | Improved automation natural gas differential pressure electricity generating heating system |
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| Publication Number | Publication Date |
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| CN202971069U true CN202971069U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220682472 Expired - Fee Related CN202971069U (en) | 2012-12-12 | 2012-12-12 | Improved automation natural gas differential pressure electricity generating heating system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334891A (en) * | 2013-07-11 | 2013-10-02 | 南充西南石油大学设计研究院有限责任公司 | Natural-gas pressure-regulating generating set |
| CN103867413A (en) * | 2012-12-12 | 2014-06-18 | 曹京良 | Improved automatic natural gas differential-pressure power generation heating system |
| CN111779970A (en) * | 2020-07-13 | 2020-10-16 | 佛山双誉信息技术服务有限公司 | Natural gas conveying pipeline system |
-
2012
- 2012-12-12 CN CN 201220682472 patent/CN202971069U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867413A (en) * | 2012-12-12 | 2014-06-18 | 曹京良 | Improved automatic natural gas differential-pressure power generation heating system |
| CN103867413B (en) * | 2012-12-12 | 2018-12-28 | 曹京良 | A kind of improved automation natural gas Differential pressure power generation heating system |
| CN103334891A (en) * | 2013-07-11 | 2013-10-02 | 南充西南石油大学设计研究院有限责任公司 | Natural-gas pressure-regulating generating set |
| CN103334891B (en) * | 2013-07-11 | 2015-08-26 | 南充西南石油大学设计研究院有限责任公司 | Natural gas pressure regulating formula electricity generating device |
| CN111779970A (en) * | 2020-07-13 | 2020-10-16 | 佛山双誉信息技术服务有限公司 | Natural gas conveying pipeline system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20151212 |
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| EXPY | Termination of patent right or utility model |