CN103472179A - System for sampling and component analysis of truck loaded finished liquefied natural gas - Google Patents
System for sampling and component analysis of truck loaded finished liquefied natural gas Download PDFInfo
- Publication number
- CN103472179A CN103472179A CN2013104559759A CN201310455975A CN103472179A CN 103472179 A CN103472179 A CN 103472179A CN 2013104559759 A CN2013104559759 A CN 2013104559759A CN 201310455975 A CN201310455975 A CN 201310455975A CN 103472179 A CN103472179 A CN 103472179A
- Authority
- CN
- China
- Prior art keywords
- gas
- pipeline
- prime
- chromatograph
- service
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 74
- 238000005070 sampling Methods 0.000 title claims abstract description 29
- 238000004458 analytical method Methods 0.000 title claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 114
- 239000000523 sample Substances 0.000 claims abstract description 70
- 239000011435 rock Substances 0.000 claims description 37
- 239000012159 carrier gas Substances 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 13
- 230000006837 decompression Effects 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- 238000002309 gasification Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 26
- 239000003345 natural gas Substances 0.000 abstract description 12
- 238000004321 preservation Methods 0.000 abstract 2
- 238000001914 filtration Methods 0.000 description 3
- 206010020852 Hypertonia Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a system for sampling and component analysis of truck loaded finished liquefied natural gas. According to the system, one end of a sampling pipeline is provided with a sampling probe and the sampling probe is connected with an LNG truck loading pipeline; the other end of the sampling pipeline is connected with a pre-stage disposing device, so that an obtained liquefied natural gas sample in the LNG truck loading pipeline is conveyed into the pre-stage disposing device for heat preservation and pressure reduction and is gasified to a natural gas sample; a tracing pipe is connected between the pre-stage disposing device and a predisposing device, the natural gas sample after heat preservation and pressure reduction which are conducted through the pre-stage disposing device is conveyed to the predisposing device for pre-disposal, the predisposed natural gas sample enters a gas chromatograph instrument used for measuring the content of natural gas components for analysis, and therefore the content of each component of the truck loaded finished liquefied natural gas is obtained.
Description
Technical field
The present invention relates to area of natural gas liquefaction, in particular to a kind of entrucking finished product liquefied natural gas (LNG) sampling and component analysis system.
Background technology
In the world energy sources production, rock gas has accounted for 1/3 now, and oil and coal that likely in the near future progressively will be instantly very popular be extruded into back burner.Before the year two thousand twenty, the ratio of rock gas in world's energy demand will reach 45%-50%.
Liquefied natural gas (LNG) (Liquefied Natural Gas, LNG) be that natural gas via compresses, is cooled to the liquid become after its boiling point (161.5 degrees centigrade) temperature, its principal ingredient is methane, being recognized is the energy the cleanest on the earth, colourless, tasteless, nontoxic and non-corrosiveness, its volume is about with 1/600 of amount gaseous natural gas volume, and the weight of liquefied natural gas (LNG) is only 45% left and right of consubstantiality ponding.The manufacture process of liquefied natural gas (LNG) is the natural gas purification processing of first gas field being produced, and after a succession of ultralow temperature liquefaction, obtains.
Current, middle-size and small-size natural gas liquefaction device, as scale is 200 * 10
4nm
3/ d(normal cubic metre/sky) natural gas liquefaction device, still belong at home pioneering, in the process of natural gas liquefaction, if can obtain in real time the component concentration of rock gas in each stage of liquefaction, to take measure targetedly that foundation is provided to purification, liquefaction, the entrucking transportation of follow-up phase, but the component in centering small-scaled natural gas liquification device each stage of gas deliquescence process how, content as each component in entrucking finished product liquefied natural gas (LNG), carry out real-time analysis, obtain the accurate content of each component in entrucking finished product liquefied natural gas (LNG), be still a problem.
Summary of the invention
The invention provides a kind of entrucking finished product liquefied natural gas (LNG) sampling and component analysis system, analyzed in order to the content to each component in entrucking finished product liquefied natural gas (LNG).
For achieving the above object, the invention provides a kind of entrucking finished product liquefied natural gas (LNG) sampling and component analysis system, this system comprises: LNG entrucking pipeline, sampling line, prime treating apparatus, trace pipe, pretreatment unit, gas chromatograph, instrument wind apparatus, carrier gas device, FID(Flame Ionization Detector, flame ionic detector)/FPD(Flame Photometric Detector, flame photometric detector (FPD)) with device of air and retracting device, wherein:
One end of described sampling line is provided with sample probe, and described sample probe is connected with described LNG entrucking pipeline, obtains the liquefied natural gas (LNG) sample in described LNG entrucking pipeline;
The other end of described sampling line is connected with described prime treating apparatus, obtained liquefied natural gas (LNG) sample is sent into to described prime treating apparatus to be incubated, decompression, gasification is the rock gas sample, wherein said prime treating apparatus comprises prime processing casing, prime is processed pipeline, filtrator, electricity chuck variable valve and the first electric heater, described prime is processed pipeline and is arranged in described prime processing casing, the end that described prime is processed pipeline is connected with described sampling line, described filtrator and described electric chuck variable valve are successively set on described prime and process on pipeline, the rock gas sample is incubated through described electric chuck variable valve after described filtrator filters, decompression, described prime is processed in casing and is provided with the first electric heater, described prime is processed to casing and carry out heat tracing,
Described trace pipe is connected to described prime and processes between the other end and described pretreatment unit of pipeline, will be through described prime treating apparatus insulation, post-decompression rock gas sample is sent into described pretreatment unit and is carried out pre-service, wherein said pretreatment unit comprises the pre-service casing, the pre-service pipeline, coalescer, liquid knockout, safety line, three-way switch valve, the detailed catalogue filtrator, the first bypass flow meter and the second electric heater, described pre-service pipeline is arranged in described pre-service casing, one end of described pre-service pipeline is connected with described trace pipe, described coalescer, described liquid knockout, described three-way switch valve, described detailed catalogue filtrator and described the first bypass flow meter are successively set on described pre-service pipeline, the rock gas sample that enters described pre-service pipeline enters described detailed catalogue filtrator by described three-way switch valve and is filtered after described coalescer filters out impurities, the other end of described pre-service pipeline is connected with the sample gas air inlet pipeline of described gas chromatograph, described the first bypass flow meter is arranged on the end of described pre-service pipeline, flow when controlling described gas chromatograph that the rock gas sample enters to measure gas component content and being analyzed, described the second electric heater is arranged in described pre-service casing, described pre-service casing is heated,
The bottom of described coalescer is connected with return pipeline, and described return pipeline is back to the process fuel system by rock gas sample unnecessary in described coalescer, is disposed with the second bypass flow meter and non-return valve on described return pipeline;
Described safety line is connected between the downstream of the upstream of described the above coalescer of pre-service pipeline and described the above non-return valve of return pipeline, be provided with safety valve on described safety line, while in order to the pressure in the described pre-service pipeline before described coalescer, surpassing setting value, the pressure in described pre-service pipeline is passed and rushes down to described return pipeline by described safety line;
The bottom of described liquid knockout is connected with the first discharging tube road, on described the first discharging tube road, is provided with controlled valve;
The first end of described three-way switch valve is connected with described liquid knockout, the second end of described three-way switch valve is connected with described detailed catalogue filtrator, the described detailed catalogue filtrator of rock gas Sample introduction after described liquid knockout is removed liquid is filtered, and the 3rd end of described three-way switch valve is connected with the calibrating gas pipeline;
Described retracting device comprises discharge manifold, blowdown piping and the second discharging tube road, described blowdown piping is connected between the drain and described discharge manifold of described gas chromatograph, described the second discharging tube road is connected with the drain of described gas chromatograph, be provided with on described discharge manifold and reclaim gas interface and drain, before wherein said recovery gas interface and described drain, be respectively arranged with controlled valve;
Described instrument wind apparatus comprises instrument wind house steward, instrument wind interface and instrument wind transfer tube, wherein, described instrument wind interface is arranged on described instrument wind house steward's a end, be provided with controlled valve before described instrument wind interface, described instrument wind transfer tube is connected between described instrument wind house steward and described gas chromatograph;
Described carrier gas device comprises carrier gas tank and carrier gas transfer tube, and wherein, described carrier gas transfer tube is connected between described gas chromatograph and described carrier gas tank, on described carrier gas transfer tube, is provided with controlled valve;
Described FID/FPD chromatograph comprises gas tank and FID/FPD chromatograph gas transfer tube for the FID/FPD chromatograph with device of air, wherein, described FID/FPD chromatograph use gas transfer tube is connected to described gas chromatograph and described FID/FPD chromatograph is used between gas tank, on described FID/FPD chromatograph use gas transfer tube, is provided with controlled valve.
Optionally, be provided with air purifier on described instrument wind transfer tube.
Optionally, be provided with the pressure indicating instrument on described coalescer described pre-service pipeline before.
Optionally, the inlet end of described prime processing pipeline is provided with controlled valve.
Optionally, the inlet end of described pre-service pipeline is disposed with controlled valve.
Optionally, described carrier gas tank is 2, is provided with two pressure indicators and valve on each described carrier gas tank.
Optionally, described FID/FPD chromatograph gas tank is 2, and each described FID/FPD chromatograph is with being provided with two pressure indicators and valve on gas tank.
Optionally, described instrument wind transfer tube is 1 ＂ pipe.
In the above-described embodiments, the liquefied natural gas (LNG) sample that samples out from LNG entrucking pipeline is delivered to the prime treating apparatus via sampling line, in the prime treating apparatus through the insulation, after decompression, gasify as the rock gas sample, by Pressure Drop in pipe to 3.0Kg/cm
2afterwards from the prime treating apparatus out, through the trace pipe road by the rock gas sample delivery to pretreatment unit, after entering pretreatment unit, the rock gas sample filters out impurity through coalescer, in addition unnecessary sample gas is back in the process fuel system through return pipeline, the safety line by safety valve is installed is in case hypertonia simultaneously.Enter liquid knockout through the rock gas sample that filters impurity, liquid in gas is removed, the rock gas sample that to remove again after liquid is delivered to three-way switch valve, a wherein road access gas pipeline of three-way switch valve, another road is directed at the detailed catalogue filtrator by the rock gas sample and is filtered, rock gas sample after filtering is again through the first bypass flow meter, enter gas chromatograph and carry out component analysis, obtain the content of each component in entrucking finished product liquefied natural gas (LNG) sample, thereby take measure targetedly for the entrucking transportation of follow-up phase liquefied natural gas (LNG) foundation is provided.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The sampling of entrucking finished product liquefied natural gas (LNG) and component analysis system construction drawing that Fig. 1 is one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not paying under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
The sampling of entrucking finished product liquefied natural gas (LNG) and component analysis system construction drawing that Fig. 1 is one embodiment of the invention.As shown in the figure, this system comprises: LNG entrucking pipeline 1, sampling line 2, prime treating apparatus 3, trace pipe, pretreatment unit 31, gas chromatograph 25, instrument wind apparatus, carrier gas device, FID/FPD chromatograph device of air and retracting device, wherein:
One end of sampling line 2 is provided with sample probe, and sample probe is connected with LNG entrucking pipeline 1, obtains the liquefied natural gas (LNG) sample in LNG entrucking pipeline 1;
The other end of sampling line 2 is connected with prime treating apparatus 3, obtained liquefied natural gas (LNG) sample is sent into to prime treating apparatus 3 to be incubated, decompression, wherein prime treating apparatus 3 comprises prime processing casing, prime is processed pipeline, filtrator 4, electricity chuck variable valve 5 and the first electric heater 6, prime is processed pipeline and is arranged in prime processing casing, the end that prime is processed pipeline is connected with sampling line 2, filtrator 4 and electric chuck variable valve 5 are successively set on prime and process on pipeline, the liquefied natural gas (LNG) sample is incubated through electric chuck variable valve 5 after filtrator 4 filters, decompression (generally is down to 3.0Kg/cm
2), gasifying as the rock gas sample, prime is processed in casing and is provided with the first electric heater 6, prime is processed to casing and carry out heat tracing,
Trace pipe is connected to prime and processes between the other end and pretreatment unit 31 of pipeline, will be through 3 insulations of prime treating apparatus, the rock gas sample obtained after decompression is sent into pretreatment unit 31 and is carried out pre-service, wherein pretreatment unit 31 comprises the pre-service casing, the pre-service pipeline, coalescer 10, liquid knockout 12, safety line, three-way switch valve 14, detailed catalogue filtrator 15, the first bypass flow meter 16 and the second electric heater 17, the pre-service pipeline is arranged in the pre-service casing, one end of pre-service pipeline is connected with trace pipe, coalescer 10, liquid knockout 12, three-way switch valve 14, detailed catalogue filtrator 15 and the first bypass flow meter 16 are successively set on the pre-service pipeline, the rock gas sample that enters the pre-service pipeline filters out impurities through coalescer 10, rock gas sample after the removal of impurity enters detailed catalogue filtrator 15 by three-way switch valve 14 and is filtered after filtration, the other end of pre-service pipeline is connected with the sample gas air inlet pipeline of gas chromatograph 25, the first bypass flow meter 16 is arranged on the end of pre-service pipeline, flow when controlling gas chromatograph 25 that the rock gas sample enters to measure gas component content and being analyzed, the second electric heater 17 is arranged in the pre-service casing, the pre-service casing is heated,
The bottom of coalescer 10 is connected with return pipeline, return pipeline is back to process fuel system (interface of the 7 process fuel pipes for return pipeline and process fuel system in figure) by rock gas sample unnecessary in coalescer 10, be disposed with the second bypass flow meter 9 and non-return valve 8 on return pipeline, be convenient to pipeline and control;
Safety line is connected between the downstream of the upstream of coalescer 10 on the pre-service pipeline and return pipeline upper check valve 8, be provided with safety valve 11 on safety line, while in order to the pressure in the pre-service pipeline before coalescer 10, surpassing setting value, the pressure in the pre-service pipeline is passed and rushes down to return pipeline by safety line;
The bottom of liquid knockout 12 and the first discharging tube road (in figure 13 be the first discharging tube road drain) are connected, and on the first discharging tube road, are provided with controlled valve;
The first end of three-way switch valve 14 is connected with liquid knockout 12, the second end of three-way switch valve 14 is connected with detailed catalogue filtrator 15, rock gas Sample introduction detailed catalogue filtrator 15 after liquid knockout 12 is removed liquid is filtered, the 3rd end of three-way switch valve 14 is connected with the calibrating gas pipeline, in figure, 28 is the gas tank be connected with the calibrating gas pipeline, be provided with two pressure indicators and valve on gas tank 28, in addition, on the calibrating gas pipeline, also can be provided with controlled valve;
Retracting device comprises discharge manifold 19, blowdown piping 24 and the second discharging tube road 33, blowdown piping 24 is connected between the drain and discharge manifold 19 of gas chromatograph 25, the second discharging tube road 33 is connected with the drain of gas chromatograph 25, be provided with on discharge manifold 19 and reclaim gas interface 18 and drain 20, be respectively arranged with controlled valve before wherein reclaiming gas interface 18 and drain 20, can control recovery or the emptying of analyzing the rock gas sample after measuring through gas chromatograph 25 by controlled valve;
The instrument wind apparatus comprises instrument wind house steward 21, instrument wind interface 23, instrument wind transfer tube 26, wherein, instrument wind interface 23 is arranged on an end of instrument wind house steward 21, be disposed with controlled valve and pressure-regulating valve 22 before instrument wind interface 23, instrument wind transfer tube 26 is connected between instrument wind house steward 21 and gas chromatograph 25, in addition, on instrument wind transfer tube 26, is provided with air purifier 27, in order to the instrument wind to being blown into, purified, instrument wind transfer tube is 1 ＂ pipe;
Carrier gas device comprises carrier gas tank 30, carrier gas transfer tube, and wherein, the carrier gas transfer tube is connected between gas chromatograph 25 and carrier gas tank 30, on the carrier gas transfer tube, is provided with controlled valve;
The FID/FPD chromatograph comprises gas tank 29 for the FID/FPD chromatograph, FID/FPD chromatograph gas transfer tube with device of air, wherein, FID/FPD chromatograph use gas transfer tube is connected to gas chromatograph 25 and the FID/FPD chromatograph is used between gas tank 29, on FID/FPD chromatograph use gas transfer tube, is provided with controlled valve.
For example, on the pre-service pipeline before coalescer 10, can be provided with the pressure indicating instrument, be convenient to the pressure in this section pre-service pipeline of real time inspection.
For example, the inlet end that prime is processed pipeline also can be provided with controlled valve, thereby can control flexibly the sampling of sampling line.
For example, the inlet end of pre-service pipeline also can be disposed with controlled valve, thereby can control flexibly the sampling of pre-service pipeline.
For example, carrier gas tank can also be provided with 2, is provided with two pressure indicators and valve on each carrier gas tank, is convenient to the user and according to the pressure of indication, the flow velocity of carrier gas is regulated.
For example, the FID/FPD chromatograph also can be provided with 2 with gas tank, and each FID/FPD chromatograph, with being provided with two pressure indicators and valve on gas tank, being convenient to the user and according to the pressure of indication, the flow velocity of FID/FPD chromatograph use gas being regulated.
In the above-described embodiments, the liquefied natural gas (LNG) sample that samples out from LNG entrucking pipeline is delivered to the prime treating apparatus via sampling line, in the prime treating apparatus through the insulation, after decompression, gasify as the rock gas sample, by Pressure Drop in pipe to 3.0Kg/cm
2afterwards from the prime treating apparatus out, through the trace pipe road by the rock gas sample delivery to pretreatment unit, after entering pretreatment unit, the rock gas sample filters out impurity through coalescer, in addition unnecessary sample gas is back in the process fuel system through return pipeline, the safety line by safety valve is installed is in case hypertonia simultaneously.Enter liquid knockout through the rock gas sample that filters impurity, liquid in gas is removed, the rock gas sample that to remove again after liquid is delivered to three-way switch valve, a wherein road access gas pipeline of three-way switch valve, another road is directed at the detailed catalogue filtrator by the rock gas sample and is filtered, rock gas sample after filtering is again through the first bypass flow meter, enter gas chromatograph and carry out component analysis, obtain the content of each component in entrucking finished product liquefied natural gas (LNG) sample, thereby take measure targetedly for the entrucking transportation of follow-up phase liquefied natural gas (LNG) foundation is provided.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, and the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
One of ordinary skill in the art will appreciate that: the module in the device in embodiment can be described and be distributed in the device of embodiment according to embodiment, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: its technical scheme that still can put down in writing previous embodiment is modified, or part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of embodiment of the present invention technical scheme.
Claims (8)
1. an entrucking finished product liquefied natural gas (LNG) samples and the component analysis system, it is characterized in that, comprise: LNG entrucking pipeline, sampling line, prime treating apparatus, trace pipe, pretreatment unit, gas chromatograph, instrument wind apparatus, carrier gas device, FID/FPD chromatograph device of air and retracting device, wherein:
One end of described sampling line is provided with sample probe, and described sample probe is connected with described LNG entrucking pipeline, obtains the liquefied natural gas (LNG) sample in described LNG entrucking pipeline;
The other end of described sampling line is connected with described prime treating apparatus, obtained liquefied natural gas (LNG) sample is sent into to described prime treating apparatus to be incubated, decompression, gasification is the rock gas sample, wherein said prime treating apparatus comprises prime processing casing, prime is processed pipeline, filtrator, electricity chuck variable valve and the first electric heater, described prime is processed pipeline and is arranged in described prime processing casing, the end that described prime is processed pipeline is connected with described sampling line, described filtrator and described electric chuck variable valve are successively set on described prime and process on pipeline, the liquefied natural gas (LNG) sample is incubated through described electric chuck variable valve after described filtrator filters, decompression, gasification, described prime is processed in casing and is provided with the first electric heater, described prime is processed to casing and carry out heat tracing,
Described trace pipe is connected to described prime and processes between the other end and described pretreatment unit of pipeline, will be through described prime treating apparatus insulation, decompression, rock gas sample after gasification is sent into described pretreatment unit and is carried out pre-service, wherein said pretreatment unit comprises the pre-service casing, the pre-service pipeline, coalescer, liquid knockout, safety line, three-way switch valve, the detailed catalogue filtrator, the first bypass flow meter and the second electric heater, described pre-service pipeline is arranged in described pre-service casing, one end of described pre-service pipeline is connected with described trace pipe, described coalescer, described liquid knockout, described three-way switch valve, described detailed catalogue filtrator and described the first bypass flow meter are successively set on described pre-service pipeline, the rock gas sample that enters described pre-service pipeline enters described detailed catalogue filtrator by described three-way switch valve and is filtered after described coalescer filters out impurities, the other end of described pre-service pipeline is connected with the sample gas air inlet pipeline of described gas chromatograph, described the first bypass flow meter is arranged on the end of described pre-service pipeline, flow when controlling described gas chromatograph that the liquefied natural gas (LNG) sample enters to measure gas component content and being analyzed, described the second electric heater is arranged in described pre-service casing, described pre-service casing is heated,
The bottom of described coalescer is connected with return pipeline, and described return pipeline is back to the process fuel system by rock gas sample unnecessary in described coalescer, is disposed with the second bypass flow meter and non-return valve on described return pipeline;
Described safety line is connected between the downstream of the upstream of described the above coalescer of pre-service pipeline and described the above non-return valve of return pipeline, be provided with safety valve on described safety line, while in order to the pressure in the described pre-service pipeline before described coalescer, surpassing setting value, the pressure in described pre-service pipeline is passed and rushes down to described return pipeline by described safety line;
The bottom of described liquid knockout is connected with the first discharging tube road, on described the first discharging tube road, is provided with controlled valve;
The first end of described three-way switch valve is connected with described liquid knockout, the second end of described three-way switch valve is connected with described detailed catalogue filtrator, the described detailed catalogue filtrator of rock gas Sample introduction after described liquid knockout is removed liquid is filtered, and the 3rd end of described three-way switch valve is connected with the calibrating gas pipeline;
Described retracting device comprises discharge manifold, blowdown piping and the second discharging tube road, described blowdown piping is connected between the drain and described discharge manifold of described gas chromatograph, described the second discharging tube road is connected with the drain of described gas chromatograph, be provided with on described discharge manifold and reclaim gas interface and drain, before wherein said recovery gas interface and described drain, be respectively arranged with controlled valve;
Described instrument wind apparatus comprises instrument wind house steward, instrument wind interface and instrument wind transfer tube, wherein, described instrument wind interface is arranged on described instrument wind house steward's a end, be provided with controlled valve before described instrument wind interface, described instrument wind transfer tube is connected between described instrument wind house steward and described gas chromatograph;
Described carrier gas device comprises carrier gas tank and carrier gas transfer tube, and wherein, described carrier gas transfer tube is connected between described gas chromatograph and described carrier gas tank, on described carrier gas transfer tube, is provided with controlled valve;
Described FID/FPD chromatograph comprises gas tank and FID/FPD chromatograph gas transfer tube for the FID/FPD chromatograph with device of air, wherein, described FID/FPD chromatograph use gas transfer tube is connected to described gas chromatograph and described FID/FPD chromatograph is used between gas tank, on described FID/FPD chromatograph use gas transfer tube, is provided with controlled valve.
2. system according to claim 1, is characterized in that, on described instrument wind transfer tube, is provided with air purifier.
3. system according to claim 1, is characterized in that, on the described pre-service pipeline before described coalescer, is provided with the pressure indicating instrument.
4. system according to claim 1, is characterized in that, the inlet end that described prime is processed pipeline is provided with controlled valve.
5. system according to claim 1, is characterized in that, the inlet end of described pre-service pipeline is disposed with controlled valve.
6. system according to claim 1, is characterized in that, described carrier gas tank is 2, is provided with two pressure indicators and valve on each described carrier gas tank.
7. system according to claim 1, is characterized in that, described FID/FPD chromatograph gas tank is 2, and each described FID/FPD chromatograph is with being provided with two pressure indicators and valve on gas tank.
8. system according to claim 1, is characterized in that, described instrument wind transfer tube is 1 ＂ pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310455975.9A CN103472179B (en) | 2013-09-29 | 2013-09-29 | System for sampling and component analysis of truck loaded finished liquefied natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310455975.9A CN103472179B (en) | 2013-09-29 | 2013-09-29 | System for sampling and component analysis of truck loaded finished liquefied natural gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103472179A true CN103472179A (en) | 2013-12-25 |
| CN103472179B CN103472179B (en) | 2015-04-01 |
Family
ID=49797107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310455975.9A Active CN103472179B (en) | 2013-09-29 | 2013-09-29 | System for sampling and component analysis of truck loaded finished liquefied natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103472179B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802344A (en) * | 2017-03-09 | 2017-06-06 | 中国海洋石油总公司 | A kind of LNG handling continuous sampling analytical equipment and application method |
| CN107315078A (en) * | 2016-06-12 | 2017-11-03 | 中国石油化工股份有限公司 | Cryogenic natural gas concentration detection apparatus |
| CN107315079A (en) * | 2016-06-12 | 2017-11-03 | 中国石油化工股份有限公司 | System integration method for cryogenic natural gas Concentration Testing |
| CN107560973A (en) * | 2017-10-16 | 2018-01-09 | 杨贵莹 | A kind of device and method of sampling inspection natural gas density |
| CN114777011A (en) * | 2022-04-20 | 2022-07-22 | 中国石油化工股份有限公司 | Multifunctional fair metering system and metering method based on LNG tank car |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4536620A (en) * | 1983-12-12 | 1985-08-20 | Gte Business Communication Systems Inc. | Master unlock circuit for an electronic telephone |
| JPH06213784A (en) * | 1993-01-18 | 1994-08-05 | Mitsui Kinzoku Shigen Kaihatsu Kk | Method and system for continuously sampling and analyzing organic component dissolved into water |
| DE19808213A1 (en) * | 1998-02-27 | 1999-09-30 | Flow Comp Systemtechnik Gmbh | Gas chromatographic apparatus analyzing and determining physical properties, especially of natural gas |
| JP2000146932A (en) * | 1998-11-10 | 2000-05-26 | Shimadzu Corp | Device for introducing gas sample for gas chromatograph |
| WO2003083467A2 (en) * | 2002-03-28 | 2003-10-09 | Siemens Aktiengesellschaft | Gas chromatograph and method for analysing a mixture of substances by gas chromatography |
| JP2007024650A (en) * | 2005-07-14 | 2007-02-01 | Tokyo Electric Power Co Inc:The | Automatic analyzing system of lng component |
| US20080134754A1 (en) * | 2006-12-11 | 2008-06-12 | Funk Michael N | Process for converting biogas to a pipeline grade renewable natural gas |
| CN201689079U (en) * | 2010-03-24 | 2010-12-29 | 上海宝钢工业检测公司 | Gas chromatography analysis device of natural gas compositions |
| CN102141557A (en) * | 2010-12-28 | 2011-08-03 | 西南化工研究设计院 | Method for rapidly analyzing components of compressed natural gas |
| WO2011128643A1 (en) * | 2010-04-14 | 2011-10-20 | Mobrey Limited | Method of determining the energy content of a methan - rich gas mixture |
| CN202387380U (en) * | 2011-12-29 | 2012-08-22 | 新奥科技发展有限公司 | Membrane module test device |
| CN102650623A (en) * | 2011-02-28 | 2012-08-29 | 国家海洋局第一海洋研究所 | Device for detection of low-concentration Freon in seawater and production method thereof |
| CN102749403A (en) * | 2011-04-20 | 2012-10-24 | 中国石油化工股份有限公司 | Special sampling device for online chromatographic analysis system |
| CN203025161U (en) * | 2013-01-05 | 2013-06-26 | 中国地质科学院矿产资源研究所 | Gas chromatography system for natural gas hydrate |
| CN103197341A (en) * | 2013-03-26 | 2013-07-10 | 哈尔滨工程大学 | Methyl iodide gas sampling system applicable to high pressure steam pipeline environment |
| US20130192339A1 (en) * | 2012-01-27 | 2013-08-01 | Sgs North America Inc. | Composite sampling of fluids |
| CN203479782U (en) * | 2013-09-29 | 2014-03-12 | 中国寰球工程公司 | Sampling and component analyzing system of truck loading finished LNG |
-
2013
- 2013-09-29 CN CN201310455975.9A patent/CN103472179B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4536620A (en) * | 1983-12-12 | 1985-08-20 | Gte Business Communication Systems Inc. | Master unlock circuit for an electronic telephone |
| JPH06213784A (en) * | 1993-01-18 | 1994-08-05 | Mitsui Kinzoku Shigen Kaihatsu Kk | Method and system for continuously sampling and analyzing organic component dissolved into water |
| DE19808213A1 (en) * | 1998-02-27 | 1999-09-30 | Flow Comp Systemtechnik Gmbh | Gas chromatographic apparatus analyzing and determining physical properties, especially of natural gas |
| JP2000146932A (en) * | 1998-11-10 | 2000-05-26 | Shimadzu Corp | Device for introducing gas sample for gas chromatograph |
| WO2003083467A2 (en) * | 2002-03-28 | 2003-10-09 | Siemens Aktiengesellschaft | Gas chromatograph and method for analysing a mixture of substances by gas chromatography |
| JP2007024650A (en) * | 2005-07-14 | 2007-02-01 | Tokyo Electric Power Co Inc:The | Automatic analyzing system of lng component |
| US20080134754A1 (en) * | 2006-12-11 | 2008-06-12 | Funk Michael N | Process for converting biogas to a pipeline grade renewable natural gas |
| CN201689079U (en) * | 2010-03-24 | 2010-12-29 | 上海宝钢工业检测公司 | Gas chromatography analysis device of natural gas compositions |
| WO2011128643A1 (en) * | 2010-04-14 | 2011-10-20 | Mobrey Limited | Method of determining the energy content of a methan - rich gas mixture |
| CN102141557A (en) * | 2010-12-28 | 2011-08-03 | 西南化工研究设计院 | Method for rapidly analyzing components of compressed natural gas |
| CN102650623A (en) * | 2011-02-28 | 2012-08-29 | 国家海洋局第一海洋研究所 | Device for detection of low-concentration Freon in seawater and production method thereof |
| CN102749403A (en) * | 2011-04-20 | 2012-10-24 | 中国石油化工股份有限公司 | Special sampling device for online chromatographic analysis system |
| CN202387380U (en) * | 2011-12-29 | 2012-08-22 | 新奥科技发展有限公司 | Membrane module test device |
| US20130192339A1 (en) * | 2012-01-27 | 2013-08-01 | Sgs North America Inc. | Composite sampling of fluids |
| CN203025161U (en) * | 2013-01-05 | 2013-06-26 | 中国地质科学院矿产资源研究所 | Gas chromatography system for natural gas hydrate |
| CN103197341A (en) * | 2013-03-26 | 2013-07-10 | 哈尔滨工程大学 | Methyl iodide gas sampling system applicable to high pressure steam pipeline environment |
| CN203479782U (en) * | 2013-09-29 | 2014-03-12 | 中国寰球工程公司 | Sampling and component analyzing system of truck loading finished LNG |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107315078A (en) * | 2016-06-12 | 2017-11-03 | 中国石油化工股份有限公司 | Cryogenic natural gas concentration detection apparatus |
| CN107315079A (en) * | 2016-06-12 | 2017-11-03 | 中国石油化工股份有限公司 | System integration method for cryogenic natural gas Concentration Testing |
| CN106802344A (en) * | 2017-03-09 | 2017-06-06 | 中国海洋石油总公司 | A kind of LNG handling continuous sampling analytical equipment and application method |
| CN107560973A (en) * | 2017-10-16 | 2018-01-09 | 杨贵莹 | A kind of device and method of sampling inspection natural gas density |
| CN114777011A (en) * | 2022-04-20 | 2022-07-22 | 中国石油化工股份有限公司 | Multifunctional fair metering system and metering method based on LNG tank car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103472179B (en) | 2015-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103472156B (en) | System for sampling and component analysis of raw natural gas | |
| CN103472179B (en) | System for sampling and component analysis of truck loaded finished liquefied natural gas | |
| CN102305761B (en) | Acid medium transmission pipeline welded joint and parent metal corrosion simulation testing device and method | |
| CN103487525B (en) | Liquid coolant sampling and component analyzing system | |
| US20150000426A1 (en) | Sample Conditioning System for Low Pressure Gas | |
| CN102042920B (en) | Trace hydrogen fractionation-free quantitative enrichment system and enrichment method | |
| CN110127612A (en) | Distributed hydrogen extraction system | |
| CN203479782U (en) | Sampling and component analyzing system of truck loading finished LNG | |
| CN103471877A (en) | System for sampling and component analysis of natural gas generated after absorption tower deacidification | |
| CN203479773U (en) | Ice chest liquefied natural gas sampling and component analysis system | |
| CN103472180B (en) | Sampling and component-analyzing system of natural gas dewatered by molecular sieve | |
| RU2438015C1 (en) | Well surveying facility | |
| CN203479774U (en) | Raw natural gas sampling and component analyzing system | |
| CN103472157B (en) | Heat exchanger liquefied natural gas sampling and proximate analyzing system | |
| CA3134711A1 (en) | Multi-input auto-switching gas sample conditioning system | |
| CN203479781U (en) | After-molecular-sieve-dehydration natural gas sampling and component analyzing system | |
| CN203479581U (en) | Natural gas sampling and component analyzing system after deacidification of absorption tower | |
| CN203479780U (en) | Gas refrigerant sampling and component analysis system | |
| CN203479775U (en) | Liquid refrigerant sampling and component analyzing system | |
| CN103472158B (en) | Gas refrigerant sampling and component analyzing system | |
| CN202901829U (en) | Skid-mounted natural gas gathering and transporting device with gas collection, metering and pipe cleaning functions | |
| Seo et al. | Evaluation of a prototype SF 6 purification system for commercialization | |
| CN203772814U (en) | Device taking pipeline gas as carrier gas for chemical analyzer | |
| CN111852404A (en) | A kind of associated gas recovery and treatment device and method | |
| CN205506486U (en) | Airtight gas sampling analysor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Two road 100012 Beijing city Chaoyang District high tech Industrial Park, No. 1. Patentee after: China Global Engineering Co. Ltd. Address before: Two road 100012 Beijing city Chaoyang District high tech Industrial Park, No. 1. Patentee before: China Huanqiu Engineering Co. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20201202 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd. Address before: Two road 100012 Beijing city Chaoyang District high tech Industrial Park, No. 1. Patentee before: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd. |
|
| TR01 | Transfer of patent right |