CN104634756A - Sample injector for measuring properties of high-condensation wax oil and application thereof - Google Patents
Sample injector for measuring properties of high-condensation wax oil and application thereof Download PDFInfo
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- CN104634756A CN104634756A CN201310552547.8A CN201310552547A CN104634756A CN 104634756 A CN104634756 A CN 104634756A CN 201310552547 A CN201310552547 A CN 201310552547A CN 104634756 A CN104634756 A CN 104634756A
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- sealing gasket
- wax oil
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- oil
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- 238000009833 condensation Methods 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 62
- 239000010453 quartz Substances 0.000 claims abstract description 50
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 50
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 37
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 37
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 37
- 229920001971 elastomer Polymers 0.000 claims abstract description 30
- 238000011156 evaluation Methods 0.000 claims abstract description 11
- 230000005494 condensation Effects 0.000 claims description 34
- 238000012360 testing method Methods 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000007790 scraping Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 16
- 239000007788 liquid Substances 0.000 description 15
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 239000002904 solvent Substances 0.000 description 12
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 10
- 238000005259 measurement Methods 0.000 description 10
- 229920006395 saturated elastomer Polymers 0.000 description 9
- 239000000084 colloidal system Substances 0.000 description 7
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 239000000383 hazardous chemical Substances 0.000 description 6
- 231100000614 poison Toxicity 0.000 description 6
- 230000007096 poisonous effect Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003205 fragrance Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 239000002156 adsorbate Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to a sample injector for measuring the property of high-condensation wax oil; a near infrared instrument sample cell clamping piece, an oil-resistant rubber sealing gasket, a quartz wound sheet, a polytetrafluoroethylene sealing gasket, a sample cell, a positioning bolt and a quartz scraping sheet; installing an oil-resistant rubber sealing gasket on the surface of the near-infrared instrument sample pool clamping piece, installing a quartz wound piece on the oil-resistant rubber sealing gasket, installing a polytetrafluoroethylene sealing gasket on the quartz wound piece, then connecting and fixing the outer instrument sample pool clamping piece, the oil-resistant rubber sealing gasket, the quartz wound piece and the polytetrafluoroethylene sealing gasket by using a positioning bolt, and forming a sample pool in a space surrounded by the quartz wound piece, the polytetrafluoroethylene sealing gasket and the positioning bolt; heating and softening or liquefying the wax oil which can not be sampled at normal temperature, injecting the wax oil into the sample pool of the sample injector, cooling the sample to the normal temperature, solidifying and forming, putting the whole sample injector into a near-infrared instrument, directly measuring to obtain a wax oil near-infrared spectrogram, establishing near-infrared wax oil property model basic data, and obtaining the property evaluation of the wax oil.
Description
Technical field
The present invention relates to a kind of special injector of near infrared spectrometer and the using method thereof of measuring high solidifying wax oil character
Background technology
According to relevant authority patent information inquiry system and literature query system, find correlation technique situation of the present invention as follows:
Patent 1(application publication number 201120393038.1) detector for asphaltene in wax oil fraction, China Petroleum and Chemical Corporation Fushun Petrochemical Research Institute.
The invention provides a kind of detector for asphaltene in wax oil fraction, comprise solvent tank, flask, bottle,suction, vacuum pump and control system; Solvent stock tank top with vacuum delivery side of pump with pipeline connection, solvent tank arranges solvent escape hole, the entrance of solvent escape hole and flask is with pipeline connection, drag arranges opening, this opening is communicated with pipe fitting with bottle,suction entrance, the entrance of bottle,suction arranges filtering membrane, the outlet of bottle,suction is communicated with vacuum pump, control system comprises liquid level detector and controller, bottle,suction arranges the liquid level detector detecting bottle,suction liquid level, liquid level detector is connected with circuit mode with controller, and controller is connected with circuit mode with vacuum pump.Compared with prior art, this device is used for the mensuration of N.heptane insolubles in wax oil, can realize semi-automation, and decreases the health because solvent volatilization causes human body and environmental pollution impact, improves work efficiency and Detection job.
Document 1SH/T0509-2010 petroleum bitumen compound mensuration method measure wax oil bituminous matter, saturated point, fragrance point, the character data of colloid.
Sample normal heptane is settled out bituminous matter, after filtration, with solvable point that is mingled with in normal heptane backflow removing precipitation, then uses refluxing toluene dissolution precipitation, obtain bituminous matter.By diasphaltene partial adsorbates on chromatography on alumina post, launch to wash out with normal heptane, toluene, toluene-ethano successively, correspondence obtains saturated point, fragrant point, colloid, there is accurate rate variance, reproduction degree be low, operation easier is high, danger is large, personnel cost and equipment and instrument high in cost of production limitation, the test period is 82 hours.
Found by background technology situation relevant to this technology in Research Literature, main existing problems are: the determinator in the past measuring wax oil studies on asphaltene is as said in patent 1 content, provide a kind of detector for asphaltene in wax oil fraction, comprise solvent tank, flask, bottle,suction, vacuum pump and control system; Solvent stock tank top with vacuum delivery side of pump with pipeline connection, solvent tank arranges solvent escape hole, the entrance of solvent escape hole and flask is with pipeline connection, drag arranges opening, this opening is communicated with pipe fitting with bottle,suction entrance, the entrance of bottle,suction arranges filtering membrane, the outlet of bottle,suction is communicated with vacuum pump, control system comprises liquid level detector and controller, bottle,suction arranges the liquid level detector detecting bottle,suction liquid level, liquid level detector is connected with circuit mode with controller, and controller is connected with circuit mode with vacuum pump.For the mensuration of N.heptane insolubles in wax oil, can realize semi-automation, decrease the health because solvent volatilization causes human body and environmental pollution impact, improve work efficiency and Detection job.
The bitum assay device structures of this measurement wax oil is complicated, cost is high, installation steps are many, use poisonous and hazardous chemical reagent many, large to human health damage, the shortcomings such as high are required to operating personnel.
Wax oil bituminous matter in the past, saturated point, fragrance point, the character data analysis method of testing of colloid be list of references 1 petroleum bitumen compound mensuration method SH/T0509-2010 to measure wax oil bituminous matter, saturated point, fragrance point, colloid character data.
Sample normal heptane is settled out bituminous matter, after filtration, with solvable point that is mingled with in normal heptane backflow removing precipitation, then uses refluxing toluene dissolution precipitation, obtain bituminous matter.By diasphaltene partial adsorbates on chromatography on alumina post, launch to wash out successively with normal heptane, toluene, toluene-ethano, correspondence obtains saturated point, fragrant point, colloid,
The method of this measurement wax oil character is complicated, step is many, use poisonous and hazardous chemical reagent, large to human health damage, high, accurate rate variance is required to operating personnel, reproduction degree is low, operation easier is high, danger is large, personnel cost and equipment and instrument high in cost of production limitation, the test period is the shortcoming such as to grow for 82 h run times.
Measure that wax oil bitum assay device structures is complicated, cost is high, installation steps are many in the past, use poisonous and hazardous chemical reagent many, large to human health damage, the shortcomings such as high are required to operating personnel.
The method in the past measuring wax oil character is complicated, step is many, use poisonous and hazardous chemical reagent, large to human health damage, high, accurate rate variance is required to operating personnel, reproduction degree is low, operation easier is high, danger is large, personnel cost and equipment and instrument cost is high, the test period is 82 hours, test period such as to grow at the shortcoming.
Summary of the invention
The object of this invention is to provide a kind of injector and application thereof of measuring high solidifying wax oil character.A kind of coordinate nir instrument to measure high condensation point wax oil special injector and using method, for measuring the near infrared light spectrogram of high condensation point wax oil, thus obtain the data of the characteristic absorption peak of high condensation point wax oil, there is provided basic data for setting up near infrared wax oil character model, and then obtain the evaluation conclusions such as wax oil properties.
Solid-state for normal temperature, the high condensation point wax oil of liquid sample pool cannot be injected, utilize and coordinate nir instrument to measure the special injector of high condensation point wax oil and using method can overcome the shortcoming in the past measuring wax oil character equipment therefor and using method, there is structure and method is simple, cost is low, install and operation steps is few, precision is high, use poisonous and hazardous chemical reagent few, little to the harm of health, operating personnel are required low.Accuracy rate is high, reappear that degree is high, operation easier is low, danger is little, personnel cost and equipment and instrument cost is low, significantly the shortening test period is by 1 hour, the advantages such as test period is short.
Injector composition of the present invention has: compressing tablet scraped by near infrared spectrometer sample cell fastener, oil resistant rubber sealing gasket, quartz wound sheet, polytetrafluoroethylene sealing gasket, sample cell, bolt, quartz;
Oil resistant rubber sealing gasket is installed on the surface of near infrared spectrometer sample cell fastener, oil resistant rubber sealing gasket is installed quartz wound sheet, quartz wound sheet is installed polytetrafluoroethylene sealing gasket, then with bolt, near infrared spectrometer sample cell fastener, oil resistant rubber sealing gasket, quartz wound sheet, polytetrafluoroethylene sealing gasket are connected and fixed, in the space that quartz wound sheet, polytetrafluoroethylene sealing gasket, bolt surround, form sample cell.
The wax oil sampled can not be carried out at normal temperatures, thermoplastic or post liquefaction inject this special Autosampler pond, soften at sample or strike off sample cell with glass scraper compressing tablet under liquefaction, until sample be cooled to normal temperature cure shaping after, in the space that quartz wound sheet, polytetrafluoroethylene sealing gasket, bolt surround, form test sample region.
Special injector entirety is put into nir instrument, be fixed in nir instrument with near infrared spectrometer sample cell fastener, connect instrument power source, directly measure after instrument stabilizer, the wax oil near infrared light spectrogram that coincidence measurement requires can be obtained, thus obtain the data of the characteristic absorption peak of high condensation point wax oil, provide basic data for setting up near infrared wax oil character model, and then obtain the evaluation conclusions such as wax oil properties.
Utilize the special injector and the using method thereof that coordinate nir instrument to measure high condensation point wax oil, usually the wax oil sampled can not can be carried out at normal temperatures, this special injector is injected after realizing thermoplastic, sample cell is struck off with glass preform under sample soft state, until sample be cooled to normal temperature cure shaping after, put into nir instrument, directly measure, the wax oil near infrared light spectrogram that coincidence measurement requires can be obtained, thus obtain the data of the characteristic absorption peak of high condensation point wax oil, basic data is provided for setting up near infrared wax oil character model, and then obtain the evaluation conclusions such as wax oil properties.
Solid-state for normal temperature, the high condensation point wax oil of liquid sample pool cannot be injected, utilize and coordinate nir instrument to measure the special injector of high condensation point wax oil and using method can overcome the shortcoming in the past measuring wax oil character equipment therefor and using method, there is structure and method is simple, cost is low, install and operation steps is few, precision is high, use poisonous and hazardous chemical reagent few, little to the harm of health, operating personnel are required low.Accuracy rate is high, reappear that degree is high, operation easier is low, danger is little, personnel cost and equipment and instrument cost is low, significantly the shortening test period is by 1 hour, the advantages such as test period is short.
Accompanying drawing explanation
Fig. 1 measures the injector schematic diagram of high solidifying wax oil character.
Compressing tablet schematic diagram scraped by Fig. 2 quartz.
Wherein: compressing tablet scraped by 1 near infrared spectrometer sample cell fastener, 2 oil resistant rubber sealing gaskets, 3 oily rubber gaskets, 4 polytetrafluoroethylene sealing gaskets, 5 sample cells, 6 bolts, 7 quartz.
Embodiment
Injector composition of the present invention has: compressing tablet 7 scraped by near infrared spectrometer sample cell fastener 1, oil resistant rubber sealing gasket 2, quartz wound sheet 3, polytetrafluoroethylene sealing gasket 4, sample cell 5, bolt 6, quartz;
Oil resistant rubber sealing gasket 2 is installed on the surface of near infrared spectrometer sample cell fastener 1, oil resistant rubber sealing gasket 2 is installed quartz wound sheet 3, quartz wound sheet 3 is installed polytetrafluoroethylene sealing gasket 4, then with bolt, outer instrument sample cell fastener 1, oil resistant rubber sealing gasket 2, quartz wound sheet 3, polytetrafluoroethylene sealing gasket 4 are connected and fixed, in the space that quartz wound sheet, polytetrafluoroethylene sealing gasket, bolt surround, form sample cell 5.
The wax oil sampled can not be carried out at normal temperatures, thermoplastic or post liquefaction inject this special Autosampler pond 5, soften at sample or strike off sample cell with glass scraper compressing tablet 7 under liquefaction, until sample be cooled to normal temperature cure shaping after, in the space that quartz wound sheet 3, polytetrafluoroethylene sealing gasket 4, bolt 6 surround, form test sample region.
Special injector entirety is put into nir instrument, be fixed in nir instrument with near infrared spectrometer sample cell fastener 1, connect instrument power source, directly measure after instrument stabilizer, the wax oil near infrared light spectrogram that coincidence measurement requires can be obtained, thus obtain the data of the characteristic absorption peak of high condensation point wax oil, provide basic data for setting up near infrared wax oil character model, and then obtain the evaluation conclusions such as wax oil properties.
Embodiment 1:
Kazakhstan's train wax oil colloid character is measured
Utilize the special injector coordinating nir instrument to measure high condensation point wax oil, first by the surface of near infrared spectrometer sample cell fastener, oil resistant rubber sealing gasket is installed, oil rubber gasket is installed quartz wound sheet, quartz wound sheet is installed polytetrafluoroethylene sealing gasket, then with bolt, outer instrument sample cell fastener, oil resistant rubber sealing gasket, quartz wound sheet, polytetrafluoroethylene sealing gasket are connected and fixed, in the space that quartz wound sheet, polytetrafluoroethylene sealing gasket, bolt surround, form sample cell.
Kazakhstan's train wax oil sampled can not be carried out at normal temperatures, be heated to 80 DEG C of softening or post liquefaction and inject this special Autosampler pond, soften at sample or strike off sample cell with glass scraper compressing tablet under liquefaction, be cooled to after 30 DEG C of curing moldings until sample, in the space that quartz wound sheet, polytetrafluoroethylene sealing gasket, bolt surround, form test sample region.
Special injector entirety is put into nir instrument, 1. be fixed in nir instrument with near infrared spectrometer sample cell fastener, connect instrument power source, directly measure after instrument stabilizer, the wax oil near infrared light spectrogram that coincidence measurement requires can be obtained, thus obtain the data of the characteristic absorption peak of high condensation point wax oil, provide basic data for setting up near infrared wax oil colloid character model, and then obtain the evaluation conclusions such as wax oil properties.
Solid-state for normal temperature, the high condensation point wax oil of liquid sample pool cannot be injected, utilize homemade cooperation nir instrument to measure the special injector of high condensation point wax oil to make to obtain high condensation point wax oil near infrared light spectrogram and become possibility, fill up in national and foreign standards spectrum picture library the blank lacking high solidifying wax oil spectrogram.
Embodiment 2:
North SinKiang, Kelamayi mixed gatch bituminous matter character is measured
Use special injector, first by the surface of near infrared spectrometer sample cell fastener, oil resistant rubber sealing gasket is installed, oil rubber gasket is installed quartz wound sheet, quartz wound sheet is installed polytetrafluoroethylene sealing gasket, then with bolt, outer instrument sample cell fastener, oil resistant rubber sealing gasket, quartz wound sheet, polytetrafluoroethylene sealing gasket are connected and fixed, in the space that quartz wound sheet, polytetrafluoroethylene sealing gasket, bolt surround, form sample cell.
North SinKiang, the Kelamayi mixed gatch sampled can not be carried out at normal temperatures, be heated to 70 DEG C of softening or post liquefaction and inject this special Autosampler pond, soften at sample or strike off sample cell with glass scraper compressing tablet under liquefaction, be cooled to after 40 DEG C of curing moldings until sample, at quartz wound sheet, in the space that polytetrafluoroethylene sealing gasket, bolt surround, form test sample region.
Special injector entirety is put into nir instrument, be fixed in nir instrument with near infrared spectrometer sample cell fastener, connect instrument power source, directly measure after instrument stabilizer, the wax oil near infrared light spectrogram that coincidence measurement requires can be obtained, thus obtain the data of the characteristic absorption peak of high condensation point wax oil, provide basic data for setting up near infrared wax oil bituminous matter character model, and then obtain the evaluation conclusions such as wax oil properties.
Solid-state for normal temperature, the high condensation point wax oil of liquid sample pool cannot be injected, utilize homemade cooperation nir instrument to measure near infrared light spectrogram that the special injector of high condensation point wax oil can obtain high condensation point wax oil, can fill up in national and foreign standards spectrum picture library the blank lacking high solidifying wax oil spectrogram.
Embodiment 3:
Boundary oil field, east Huoshaoshan wax oil aromatic hydrocarbons character is measured
Utilize the special injector coordinating nir instrument to measure high condensation point wax oil, first by the surface of near infrared spectrometer sample cell fastener, oil resistant rubber sealing gasket is installed, oil rubber gasket is installed quartz wound sheet, quartz wound sheet is installed polytetrafluoroethylene sealing gasket, then with bolt, outer instrument sample cell fastener, oil resistant rubber sealing gasket, quartz wound sheet, polytetrafluoroethylene sealing gasket are connected and fixed, in the space that quartz wound sheet, polytetrafluoroethylene sealing gasket, bolt surround, form sample cell.
The eastern boundary oil field Huoshaoshan wax oil sampled can not be carried out at normal temperatures, be heated to 90 DEG C of softening or post liquefaction and inject this special Autosampler pond, soften at sample or strike off sample cell with glass scraper compressing tablet under liquefaction, be cooled to after 45 DEG C of curing moldings until sample, in the space that quartz wound sheet, polytetrafluoroethylene sealing gasket, bolt surround, form test sample region.
Special injector entirety is put into nir instrument, be fixed in nir instrument with near infrared spectrometer sample cell fastener, connect instrument power source, directly measure after instrument stabilizer, the wax oil near infrared light spectrogram that coincidence measurement requires can be obtained, thus obtain the data of the characteristic absorption peak of high condensation point wax oil, provide basic data for setting up near infrared wax oil aromatic hydrocarbons character model, and then obtain the evaluation conclusions such as wax oil properties.
Solid-state for normal temperature, the high condensation point wax oil of liquid sample pool cannot be injected, use homemade cooperation nir instrument to measure near infrared light spectrogram that the special injector of high condensation point wax oil can obtain high condensation point wax oil, fills up in national and foreign standards spectrum picture library the blank lacking high solidifying wax oil spectrogram.
Embodiment 4:
Middle oil transport Amy gram wax oil saturated point of character is measured
First by the surface of near infrared spectrometer sample cell fastener, oil resistant rubber sealing gasket is installed, oil rubber gasket is installed quartz wound sheet, quartz wound sheet is installed polytetrafluoroethylene sealing gasket, then with bolt, outer instrument sample cell fastener, oil resistant rubber sealing gasket, quartz wound sheet, polytetrafluoroethylene sealing gasket are connected and fixed, in the space that quartz wound sheet, polytetrafluoroethylene sealing gasket, bolt surround, form sample cell.
The wax oil sampled can not be carried out at normal temperatures, thermoplastic or post liquefaction inject this special Autosampler pond, soften at sample or strike off sample cell with glass scraper compressing tablet under liquefaction, until sample be cooled to normal temperature cure shaping after, in the space that quartz wound sheet, polytetrafluoroethylene sealing gasket, bolt surround, form test sample region.
Special injector entirety is put into nir instrument, be fixed in nir instrument with near infrared spectrometer sample cell fastener, connect instrument power source, directly measure after instrument stabilizer, the wax oil near infrared light spectrogram that coincidence measurement requires can be obtained, thus obtain the data of the characteristic absorption peak of high condensation point wax oil, provide basic data for setting up near infrared wax oil saturated point of character model, and then obtain the evaluation conclusions such as wax oil properties.
Solid-state for normal temperature, the high condensation point wax oil of liquid sample pool cannot be injected, utilize homemade cooperation nir instrument to measure the near infrared light spectrogram that high condensation point wax oil measured by the special injector of high condensation point wax oil, meet the requirement of analytic process express-analysis.
Embodiment 5: black petrochemical industry wax oil saturated point of character is measured
The black petrochemical industry wax oil sampled can not be carried out at normal temperatures, be heated to 100 DEG C of post liquefaction and inject special Autosampler pond, sample cell is struck off with glass scraper compressing tablet under sample liquefaction, until sample be cooled to normal temperature cure shaping after, in the space that quartz wound sheet, polytetrafluoroethylene sealing gasket, bolt surround, form test sample region.
Special injector entirety is put into nir instrument, be fixed in nir instrument with near infrared spectrometer sample cell fastener, connect instrument power source, directly measure after instrument stabilizer, the wax oil near infrared light spectrogram that coincidence measurement requires can be obtained, thus obtain the data of the characteristic absorption peak of high condensation point wax oil, provide basic data for setting up near infrared wax oil saturated point of character model, and then obtain the evaluation conclusions such as wax oil properties.
Solid-state for normal temperature, the high condensation point wax oil of liquid sample pool cannot be injected, utilize homemade cooperation nir instrument to measure the near infrared light spectrogram that high condensation point wax oil measured by the special injector of high condensation point wax oil, meet the requirement of analytic process express-analysis.
Claims (2)
1. measure an injector for high solidifying wax oil character, scraped compressing tablet formed by near infrared spectrometer sample cell fastener, oil resistant rubber sealing gasket, quartz wound sheet, polytetrafluoroethylene sealing gasket, sample cell, bolt, quartz; It is characterized in that:
Oil resistant rubber sealing gasket is installed on the surface of near infrared spectrometer sample cell fastener, oil resistant rubber sealing gasket is installed quartz wound sheet, quartz wound sheet installs polytetrafluoroethylene sealing gasket, then with bolt, near infrared spectrometer sample cell fastener, oil resistant rubber sealing gasket, quartz wound sheet, polytetrafluoroethylene sealing gasket are connected and fixed, in the space that quartz wound sheet, polytetrafluoroethylene sealing gasket, bolt surround, form sample cell.
2. an application of measuring the injector of high solidifying wax oil character according to claim 1, it is characterized in that: the wax oil sampled can not be carried out at normal temperatures, thermoplastic or post liquefaction inject this Autosampler pond, soften at sample or strike off sample cell with glass scraper compressing tablet under liquefaction, until sample be cooled to normal temperature cure shaping after, in the space that quartz wound sheet, polytetrafluoroethylene sealing gasket, bolt surround, form test sample region;
Injector entirety is put into nir instrument, be fixed in nir instrument with near infrared spectrometer sample cell fastener, connect instrument power source, directly measure after instrument stabilizer, obtain wax oil near infrared light spectrogram, thus obtain the data of the characteristic absorption peak of high condensation point wax oil, set up near infrared wax oil character model basic data, and then obtain the properties evaluations conclusion of wax oil.
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| CN201310552547.8A CN104634756B (en) | 2013-11-08 | 2013-11-08 | Sample injector for measuring properties of high-condensation wax oil and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730636A (en) * | 2019-10-28 | 2021-04-30 | 中国石油天然气股份有限公司 | Heavy oil four-component separation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112730636A (en) * | 2019-10-28 | 2021-04-30 | 中国石油天然气股份有限公司 | Heavy oil four-component separation method |
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| Publication number | Publication date |
|---|---|
| CN104634756B (en) | 2017-08-04 |
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