CN103742781B - The refueling system of the mixed Sweet natural gas of automatic adjustable type coke-oven gas - Google Patents
The refueling system of the mixed Sweet natural gas of automatic adjustable type coke-oven gas Download PDFInfo
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- CN103742781B CN103742781B CN201310675287.3A CN201310675287A CN103742781B CN 103742781 B CN103742781 B CN 103742781B CN 201310675287 A CN201310675287 A CN 201310675287A CN 103742781 B CN103742781 B CN 103742781B
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- gas
- coke
- holder
- oven
- sweet natural
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- 239000007789 gas Substances 0.000 title claims abstract description 184
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 239000003345 natural gas Substances 0.000 title claims abstract description 64
- 235000009508 confectionery Nutrition 0.000 title claims abstract description 43
- 239000000203 mixture Substances 0.000 claims abstract description 48
- 238000004458 analytical method Methods 0.000 claims abstract description 17
- 239000000571 coke Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 18
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 17
- 239000001257 hydrogen Substances 0.000 abstract description 17
- 238000002156 mixing Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The present invention relates to the refueling system of gas station, it is specially the refueling system of the mixed Sweet natural gas of a kind of automatic adjustable type coke-oven gas, comprise natural-gas desulfurizer (1), the air outlet of described natural-gas desulfurizer (1) is connected by the inlet mouth of pipeline with natual gas dehydrate unit (2), the air outlet of described natual gas dehydrate unit is connected by pipeline inlet mouth with Sweet natural gas gas-holder (4) after natural gas compressor (3), the air outlet that described Sweet natural gas goes out gas tank (4) enters gas port (6) with the Sweet natural gas on gas and vapor permeation gas-holder (7) by pipeline after the first pneumatic stopping valve (5) and is connected. inventive design is reasonable, gas mixture forms on-line analysis device, DCS Controlling System and pneumatic stopping valve be grouped together, can form by on-line checkingi analytical gas, gas station running condition can be controlled by centralized watch again, hydrogen content in gas mixture is made to maintain about 20%, ensure source gas quality, it is to increase the performance of engine and thermo-efficiency.
Description
Technical field
The present invention relates to the refueling system of gas station, it is specially the refueling system of the mixed Sweet natural gas of a kind of automatic adjustable type coke-oven gas.
Background technology
Sweet natural gas, as a kind of clean energy, causes the common concern of domestic and international researcher in recent years. Before and after 2013, China's North China's big area has occurred " haze ", greatly develops and to promote clean fuel automobile extremely urgent. Gasfueled vehicles reduce the discharge of the pollutents such as carbon to a certain extent, alleviate energy demand contradiction, but Sweet natural gas exists that engine thermal efficiency is low, ignition range is narrow, the fast problem such as slowly of propagation of flame. The mixed gasfueled vehicles of hydrogen combine the advantage of hydrogen and Sweet natural gas, not only increase the combustionvelocity of combustion gas and the thermo-efficiency of engine, also have the advantage of economic environmental protection. But, process for making hydrogen is complicated, purification energy consumption height, and accumulating difficulty is big, constrains the development of the mixed gasfueled vehicles of hydrogen.
China has abundant coke-oven gas resource, and the coke-oven gas that can utilize every year is up to 400 billion cubic meters. Hydrogen gas in coke oven gas content reaches more than 55%, replaces hydrogen to be possible not only to avoid producing and purifying technique of complicated hydrogen with coke-oven gas, can also be reached thermo-efficiency and the power effect of the mixed gasfueled vehicles of hydrogen by adjustment ratio. Research shows, hydrogen ratio vehicular engine when about 20% has best performance. It is single to there is gas source in existing gas station, and composition can not regulate, and can not effectively regulate the problems such as gas station gas hydrogen-carbon ratio. For current compressed natural gas filling station Problems existing, develop a kind of coke-oven gas resource that can utilize China's abundant, the aerating method of high-grade energy and device can be provided to have important environmental value and social benefit for automobile again.
Summary of the invention
It is an object of the invention to as gas station provides a kind of automatic adjustable type coke-oven gas to mix the refueling system of Sweet natural gas.
The present invention adopts following technical scheme to realize:
The refueling system of the mixed Sweet natural gas of a kind of automatic adjustable type coke-oven gas, comprise natural-gas desulfurizer, the air outlet of described natural-gas desulfurizer is connected with the inlet mouth of natual gas dehydrate unit by pipeline, the air outlet of described natual gas dehydrate unit is connected by pipeline inlet mouth with Sweet natural gas gas-holder after natural gas compressor, and the air outlet of described Sweet natural gas gas-holder enters gas port with the Sweet natural gas on gas and vapor permeation gas-holder by pipeline after the first pneumatic stopping valve and is connected.
Also comprise coke-oven gas detar device, the air outlet of described coke-oven gas detar device is connected with the inlet mouth of coke-oven gas desulfurizer by pipeline, the air outlet of described coke-oven gas desulfurizer is connected by pipeline inlet mouth with coke-oven gas gas-holder after coke oven gas compressor, and the air outlet of described coke-oven gas gas-holder enters gas port with the coke-oven gas on gas and vapor permeation gas-holder by pipeline after the 2nd pneumatic stopping valve and is connected.
Described gas and vapor permeation gas-holder is provided with mixture pressure instruction record warning device and gas mixture composition on-line analysis device, the output terminal of described mixture pressure instruction record warning device and gas mixture composition on-line analysis device is connected with DCS Controlling System respectively, and described DCS Controlling System controls the first pneumatic stopping valve and the 2nd pneumatic stopping valve respectively.
The afterbody of described gas and vapor permeation gas-holder is provided with mixed gas outlet.
During work, Sweet natural gas is successively through natural-gas desulfurizer and natual gas dehydrate unit, it is mainly used to de-except the sulphur impurity in raw natural gas and water vapor, Sweet natural gas after purification enters Sweet natural gas gas-holder after natural gas compressor compresses, and in Sweet natural gas gas-holder, Sweet natural gas enters gas port by Sweet natural gas under the control of the first pneumatic stopping valve and enters gas and vapor permeation gas-holder; First thick coke-oven gas from coking factory enters coke oven gas compressor after coke-oven gas detar device and coke-oven gas desulfurizer purify, coke-oven gas after compression enters coke-oven gas gas-holder, and the coke-oven gas in coke-oven gas gas-holder enters gas port by coke-oven gas under the control of the 2nd pneumatic stopping valve and enters gas and vapor permeation gas-holder.
Gas and vapor permeation gas-holder is provided with mixture pressure instruction record warning device and gas mixture composition on-line analysis device. Gas mixture composition on-line analysis device is mainly used to the content of methane and hydrogen in analytical gas mixing device, and hydrogen content is remained between 15%��25%. When the content of hydrogen in gas mixture is lower than 15%, DCS Controlling System will be interlocked first and second pneumatic stopping valve according to system parameter settings value, namely increases the flow of coke-oven gas, reduces the flow rate of Sweet natural gas, makes the content in gas mixture be returned to normal range; When the content of hydrogen in gas mixture is higher than 25%, DCS Controlling System will be interlocked first and second pneumatic stopping valve, namely increases the flow rate of Sweet natural gas, reduces coke-oven gas flow, makes the content in gas mixture be returned to normal range. Finally, the gas mixture meeting specification is connected to filling machine for automobile by mixed gas outlet and provides efficient power gas.
Preferably, described gas and vapor permeation gas-holder has four Sweet natural gases on its same cross section and enters gas port and four coke-oven gas enter gas port, and described Sweet natural gas enters gas port, and enter gas port with coke-oven gas relative between two respectively. Sweet natural gas in gas and vapor permeation gas-holder and coke-oven gas under high pressure reverse convection contact after full and uniform mixing, avoid the use of gas mixer, operational scheme is simple, has the advantage of efficient quick, reduces energy consumption simultaneously.
Inventive design is reasonable, gas mixture forms on-line analysis device, DCS Controlling System and pneumatic stopping valve be grouped together, combine the advantage of gas mixture composition on-line analysis device and DCS Controlling System efficient quick, can form by on-line checkingi analytical gas, controlling gas station running condition by centralized watch again, decentralised control gas flow, makes hydrogen content in gas mixture maintain about 20%, ensure source gas quality, be conducive to improving performance and the thermo-efficiency of engine.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is that on gas and vapor permeation gas-holder, Sweet natural gas enters gas port and coke-oven gas enters the arrangement mode of gas port.
In figure: 1-natural-gas desulfurizer, 2-natual gas dehydrate unit, 3-natural gas compressor, 4-Sweet natural gas gas-holder, 5-first pneumatic stopping valve, 6-Sweet natural gas enters gas port, 7-gas and vapor permeation gas-holder, 8-coke-oven gas detar device, 9-coke-oven gas desulfurizer, 10-coke oven gas compressor, 11-coke-oven gas gas-holder, 12-the 2nd pneumatic stopping valve, 13-coke-oven gas enters gas port, 14-mixture pressure instruction record warning device, 15-gas mixture composition on-line analysis device, 16-DCS Controlling System, 17-mixed gas outlet valve, 18-flange.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
As shown in Figure 1, the refueling system of the mixed Sweet natural gas of a kind of automatic adjustable type coke-oven gas, comprise natural-gas desulfurizer 1, the air outlet of described natural-gas desulfurizer 1 is connected by the inlet mouth of pipeline with natual gas dehydrate unit 2, the air outlet of described natual gas dehydrate unit 2 is connected by pipeline inlet mouth with Sweet natural gas gas-holder 4 after natural gas compressor 3, and the air outlet of described Sweet natural gas gas-holder 4 enters gas port 6 with the Sweet natural gas on gas and vapor permeation gas-holder 7 by pipeline after the first pneumatic stopping valve 5 and is connected.
Also comprise coke-oven gas detar device 8, the air outlet of described coke-oven gas detar device 8 is connected by the inlet mouth of pipeline with coke-oven gas desulfurizer 9, the air outlet of described coke-oven gas desulfurizer 9 is connected by pipeline inlet mouth with coke-oven gas gas-holder 11 after coke oven gas compressor 10, and the air outlet of described coke-oven gas gas-holder 11 enters gas port 13 with the coke-oven gas on gas and vapor permeation gas-holder 7 by pipeline after the 2nd pneumatic stopping valve 12 and is connected.
Described gas and vapor permeation gas-holder 7 is provided with mixture pressure instruction record warning device 14 and gas mixture composition on-line analysis device 15, the output terminal of described mixture pressure instruction record warning device 14 and gas mixture composition on-line analysis device 15 is connected with DCS Controlling System 16 respectively, and described DCS Controlling System 16 controls the first pneumatic stopping valve 5 and the 2nd pneumatic stopping valve 12 respectively.
The afterbody of described gas and vapor permeation gas-holder 7 is provided with mixed gas outlet, and is provided with mixed gas outlet valve 17.
When specifically implementing, described gas and vapor permeation gas-holder 7 is had four Sweet natural gases on its same cross section and enters gas port 6(and be connected with Sweet natural gas gas-holder 4 by flange 18 respectively) and four coke-oven gas enter gas port 13(and be connected with coke-oven gas gas-holder 11 by flange 18 respectively), described Sweet natural gas enters gas port 6, and enter gas port 13 with coke-oven gas relative between two respectively.
Described gas mixture composition on-line analysis device 15 adopts online infrared gas detection system, can directly buy in the market and obtain.
During work, form on-line analysis device, DCS Controlling System and pneumatic stopping valve interlocking by gas mixture and regulate coke-oven gas and quality of natural gas flow rate to control the content of hydrogen in gas station mixed gas. In mixing device, gas inlet is relative, evenly alternately arranged between two with coke-oven gas entrance, fully mixing after the gas reverse convection contact of entrance. Content according to hydrogen in raw coke oven gas regulates the mass flow rate of coke-oven gas and Sweet natural gas automatically, coke-oven gas and Sweet natural gas gas inlet reverse convection fully mixing after contacting between two in mixing device. Hydrogen in gas mixture composition on-line analysis device on-line analysis gas mixture and after methane content, is transferred to DCS Controlling System by analytical data, and DCS Controlling System suitably regulates pneumavalve to provide gas for mixing device through Data Analysis Services. Meanwhile, the mixture pressure in detected gas mixing gas-holder is carried out by mixture pressure instruction record warning device (can directly buy from market and obtain). Finally, coke-oven gas after Homogeneous phase mixing and Sweet natural gas are connected to gas station air feed with filling machine by mixed gas outlet valve.
Claims (1)
1. the refueling system of the mixed Sweet natural gas of automatic adjustable type coke-oven gas, it is characterized in that: comprise natural-gas desulfurizer (1), the air outlet of described natural-gas desulfurizer (1) is connected by the inlet mouth of pipeline with natual gas dehydrate unit (2), the air outlet of described natual gas dehydrate unit (2) is connected by pipeline inlet mouth with Sweet natural gas gas-holder (4) after natural gas compressor (3), the air outlet of described Sweet natural gas gas-holder (4) enters gas port (6) with the Sweet natural gas on gas and vapor permeation gas-holder (7) by pipeline after the first pneumatic stopping valve (5) and is connected,
Also comprise coke-oven gas detar device (8), the air outlet of described coke-oven gas detar device (8) is connected by the inlet mouth of pipeline with coke-oven gas desulfurizer (9), the air outlet of described coke-oven gas desulfurizer (9) is connected by pipeline inlet mouth with coke-oven gas gas-holder (11) after coke oven gas compressor (10), and the air outlet of described coke-oven gas gas-holder (11) enters gas port (13) with the coke-oven gas on gas and vapor permeation gas-holder (7) by pipeline after the 2nd pneumatic stopping valve (12) and is connected;
Described gas and vapor permeation gas-holder (7) is provided with mixture pressure instruction record warning device (14) and gas mixture composition on-line analysis device (15), the output terminal of described mixture pressure instruction record warning device (14) and gas mixture composition on-line analysis device (15) is connected with DCS Controlling System (16) respectively, and described DCS Controlling System (16) controls the first pneumatic stopping valve (5) and the 2nd pneumatic stopping valve (12) respectively;
The afterbody of described gas and vapor permeation gas-holder (7) is provided with mixed gas outlet;
Described gas and vapor permeation gas-holder (7) has four Sweet natural gases on its same cross section and enters gas port (6) and four coke-oven gas enter gas port (13), and described Sweet natural gas enters gas port (6), and enter gas port (13) with coke-oven gas relative between two respectively;
Described gas mixture composition on-line analysis device (15) adopts online infrared gas detection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310675287.3A CN103742781B (en) | 2013-12-13 | 2013-12-13 | The refueling system of the mixed Sweet natural gas of automatic adjustable type coke-oven gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310675287.3A CN103742781B (en) | 2013-12-13 | 2013-12-13 | The refueling system of the mixed Sweet natural gas of automatic adjustable type coke-oven gas |
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| Publication Number | Publication Date |
|---|---|
| CN103742781A CN103742781A (en) | 2014-04-23 |
| CN103742781B true CN103742781B (en) | 2016-06-01 |
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| CN201310675287.3A Expired - Fee Related CN103742781B (en) | 2013-12-13 | 2013-12-13 | The refueling system of the mixed Sweet natural gas of automatic adjustable type coke-oven gas |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674054A (en) * | 2014-11-17 | 2016-06-15 | 罗纳德·格兰特·肖莫迪 | Waste gas treatment and transportation for conserving resources and reducing emission |
| CN104976504B (en) * | 2015-07-09 | 2017-01-18 | 上海舜华新能源***有限公司 | Real-time hydrogen and natural gas mixed filling method and equipment |
| JP2023048190A (en) * | 2021-09-28 | 2023-04-07 | 川崎重工業株式会社 | Liquefied gas monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7740031B2 (en) * | 2005-04-26 | 2010-06-22 | Eden Innovations Ltd. | System for blending and compressing gases |
| US8833052B2 (en) * | 2009-11-30 | 2014-09-16 | General Electric Company | Systems and methods for controlling fuel mixing |
| CN103234113A (en) * | 2013-04-23 | 2013-08-07 | 贵州大学 | Compressed natural gas and compressed natural gas doped coke oven gas combined refueling station |
| CN203309509U (en) * | 2013-06-17 | 2013-11-27 | 贵州大学 | Air-entrapping substation of CNG (compressed natural gas) and CNG-COG (compressed natural gas-coke oven gas) |
| CN203810032U (en) * | 2013-12-13 | 2014-09-03 | 山西省国新能源发展集团有限公司 | Self-adjusting filling system for mixed coke oven gas and natural gas |
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| CN103742781A (en) | 2014-04-23 |
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Effective date of registration: 20180702 Address after: 030006 Changfeng street, Taiyuan City, Shanxi Province, Changfeng Street 108 Patentee after: SHANXI HIGH-CARBON ENERGY LOW-CARBON RESEARCH AND DESIGN INSTITUTE CO.,LTD. Address before: 030006 East Block 108, Changfeng street, Xiaodian District, Taiyuan, Shanxi Patentee before: SHANXI PROVINCIAL GUOXIN ENERGY DEV GROUP Co.,Ltd. |
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Granted publication date: 20160601 |