CN104634756B - 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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- CN104634756B CN104634756B CN201310552547.8A CN201310552547A CN104634756B CN 104634756 B CN104634756 B CN 104634756B CN 201310552547 A CN201310552547 A CN 201310552547A CN 104634756 B CN104634756 B CN 104634756B
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- 238000009833 condensation Methods 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 239000010453 quartz Substances 0.000 claims abstract description 45
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 36
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 36
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 33
- 238000011156 evaluation Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 230000005494 condensation Effects 0.000 claims description 34
- 238000005259 measurement Methods 0.000 claims description 31
- 238000012360 testing method Methods 0.000 claims description 17
- 238000002329 infrared spectrum Methods 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 11
- 239000003381 stabilizer Substances 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000001816 cooling 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 14
- 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
- 238000010521 absorption reaction Methods 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
- 239000003205 fragrance Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000002156 adsorbate Substances 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 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
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001228 spectrum Methods 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 its application method for measuring high solidifying wax oil property
Background technology
According to relevant authority patent information inquiry system and literature query system, correlation technique situation of the present invention is found such as
Under：
Patent 1（Application publication number 201120393038.1）Detector for asphaltene in wax oil fraction, Sinopec
Fushun Petrochemical Research Institute of limited company.
The invention provides a kind of detector for asphaltene in wax oil fraction, including it is solvent tank, flask, bottle,suction, true
Empty pump and control system；Solvent stock tank top is with the outlet with vavuum pump with pipeline connection, and solvent tank sets solvent to discharge
Mouthful, the entrance of solvent outlet and flask is with pipeline connection, and drag sets opening, and the opening is with bottle,suction entrance with pipe fitting
Connection, the entrance of bottle,suction sets filter membrane, and the outlet of bottle,suction connect with vavuum pump, control system including liquid level detector with
Controller, bottle,suction sets the liquid level detector of detection bottle,suction liquid level, and liquid level detector is connected with controller with circuit mode,
Controller is connected with vavuum pump with circuit mode.Compared with prior art, the present apparatus is used for the survey of N.heptane insolubles in wax oil
It is fixed, semi-automation can be achieved, reduces the health caused due to solvent volatilization on human body and environmental pollution influence, improves work
Efficiency and detection quality.
Document 1SH/T0509-2010 asphalt compound mensuration methods come determine the asphalitine of wax oil, saturation point, fragrance point,
The property data of colloid.
Sample is settled out asphalitine with normal heptane, after filtering, flowed back the solvable point for removing and being mingled with precipitation with normal heptane,
Again with toluene backflow dissolving precipitation, obtains asphalitine.By depitching matter partial adsorbates on chromatography on alumina post, positive heptan is used successively
Alkane, toluene, toluene-ethano expansion are washed out, and correspondence obtains saturation point, fragrance point, colloid, with accuracy rate is poor, reproduction degree is low,
The limitations such as operation difficulty is high, dangerous big, personnel cost and equipment and instrument cost height, the test period is 82 hours.
Found by background technology situation related to this technology in Research Literature, the problem of being primarily present is：Measurement in the past
The measure device of wax oil studies on asphaltene as described in the content of patent 1 there is provided a kind of detector for asphaltene in wax oil fraction, including
Solvent tank, flask, bottle,suction, vavuum pump and control system；Solvent stock tank top is connected with the outlet with vavuum pump with pipeline
Lead to, solvent tank setting solvent outlet, the entrance of solvent outlet and flask is with pipeline connection, and drag sets opening,
The opening is connected with bottle,suction entrance with pipe fitting, and the entrance of bottle,suction sets filter membrane, and the outlet of bottle,suction is connected with vavuum pump,
Control system includes liquid level detector and controller, and bottle,suction sets the liquid level detector of detection bottle,suction liquid level, level sensing
Device is connected with controller with circuit mode, and controller is connected with vavuum pump with circuit mode.For N.heptane insolubles in wax oil
Measure, can be achieved semi-automation, reduce due to solvent volatilize human body is caused health and environmental pollution influence, improve
Operating efficiency and detection quality.
This assay device structures for measuring wax oil asphalitine are complicated, cost is high, installation steps are more, using poisonous and hazardous
Chemical reagent is more, big to human health damage, the shortcomings of require high to operating personnel.
Conventional wax oil asphalitine, saturation point, fragrance point, the property data analysis test method of colloid are bibliography 1
Asphalt compound mensuration method SH/T0509-2010 determines the property number of the asphalitine of wax oil, saturation point, fragrance point, colloid
According to.
Sample is settled out asphalitine with normal heptane, after filtering, flowed back the solvable point for removing and being mingled with precipitation with normal heptane,
Again with toluene backflow dissolving precipitation, obtains asphalitine.By depitching matter partial adsorbates on chromatography on alumina post, positive heptan is used successively
Alkane, toluene, toluene-ethano expansion are washed out, and correspondence obtains saturation point, fragrance point, colloid,
This method for measuring wax oil property is complicated, step is more, endangered using poisonous and hazardous chemical reagent, to health
Evil is big, require high to operating personnel, accuracy rate is poor, reappear that degree is low, operation difficulty is high, it is dangerous greatly, personnel cost and equipment
The limitations such as instrument cost height, the test period is the shortcomings of test period is long within 82 hours.
The assay device structures of measurement wax oil asphalitine were complicated in the past, cost is high, installation steps are more, using poisonous and hazardous
Chemical reagent is more, big to human health damage, the shortcomings of require high to operating personnel.
The method of measurement wax oil property was complicated in the past, step is more, endangered using poisonous and hazardous chemical reagent, to health
Evil is big, require high to operating personnel, accuracy rate is poor, reappear that degree is low, operation difficulty is high, it is dangerous greatly, personnel cost and equipment
Instrument cost is high, the test period is 82 hours, the shortcomings of test period is long.
The content of the invention
It is an object of the invention to provide a kind of injector for measuring high solidifying wax oil property and its application.One kind coordinates near-infrared
The special injector and its application method of the high condensation point wax oil of apparatus measures, the atlas of near infrared spectra for measuring high condensation point wax oil,
So as to obtain the data of the characteristic absorption peak of high condensation point wax oil, basic data is provided to set up near-infrared wax oil property model, is entered
And obtain the evaluation conclusions such as the property of wax oil.
For normal temperature solid-state, it is impossible to inject the high condensation point wax oil of liquid sample pool, using coordinating, nir instrument measurement is high
The special injector and its application method of condensation point wax oil can overcome measurement wax oil property equipment therefor and application method in the past
Shortcoming, with structures and methods are simple, cost is low, install and operating procedure is few, precision is high, use poisonous and hazardous chemical reagent
Less, harm to health is small, require low to operating personnel.Accuracy rate is high, it is high to reappear degree, operation difficulty is low, danger
Small, personnel cost and equipment and instrument cost are low, the test period is greatly shortened by 1 hour, the advantages of test period is short.
Injector composition of the present invention has：Near infrared spectrometer sample cell fastener, oil resistant rubber sealing gasket, quartz wound piece,
Polytetrafluoroethylene sealing gasket, sample cell, bolt, quartz scrape tabletting；
Installed on the surface of near infrared spectrometer sample cell fastener and quartz is installed on oil resistant rubber sealing gasket, oil resistant rubber sealing gasket
Create piece, polytetrafluoroethylene sealing gasket be installed and then with bolt by near infrared spectrometer sample cell fastener, oil resistant on quartz wound piece
Rubber gasket, quartz wound piece, polytetrafluoroethylene sealing gasket are connected, in quartz wound piece, polytetrafluoroethylene sealing gasket, positioning
Sample cell is formed in the space that bolt is surrounded.
The wax oil that can not will be sampled at normal temperatures, heats and softens or injects the special Autosampler pond after liquefying,
Sample cell is struck off with glass scraper tabletting under sample softening or liquefaction, after sample is cooled to normal temperature cure shaping, in stone
Test sample region is formed in the space that English wound piece, polytetrafluoroethylene sealing gasket, bolt are surrounded.
Special injector is integrally put into nir instrument, nir instrument is fixed on near infrared spectrometer sample cell fastener
It is interior, instrument power source is connected, after carrying out direct measurement after instrument stabilizer, the wax oil near infrared spectrum of coincidence measurement requirement can be obtained
Figure, so as to obtain the data of the characteristic absorption peak of high condensation point wax oil, basic data is provided to set up near-infrared wax oil property model,
And then obtain the evaluation conclusions such as the property of wax oil.
, can be by usually not using the special injector and its application method for coordinating nir instrument to measure high condensation point wax oil
The wax oil that can be sampled at normal temperatures, realizes and injects the special injector after heating and softening, glass is used under sample soft state
Glass tabletting strikes off sample cell, after sample is cooled to normal temperature cure shaping, is put into nir instrument, carries out direct measurement, can be with
The wax oil atlas of near infrared spectra of coincidence measurement requirement is obtained, so that the data of the characteristic absorption peak of high condensation point wax oil are obtained, to build
Vertical near-infrared wax oil property model provides basic data, and then obtains the evaluation conclusions such as the property of wax oil.
For normal temperature solid-state, it is impossible to inject the high condensation point wax oil of liquid sample pool, using coordinating, nir instrument measurement is high
The special injector and its application method of condensation point wax oil can overcome measurement wax oil property equipment therefor and application method in the past
Shortcoming, with structures and methods are simple, cost is low, install and operating procedure is few, precision is high, use poisonous and hazardous chemical reagent
Less, harm to health is small, require low to operating personnel.Accuracy rate is high, it is high to reappear degree, operation difficulty is low, danger
Small, personnel cost and equipment and instrument cost are low, the test period is greatly shortened by 1 hour, the advantages of test period is short.
Brief description of the drawings
The injector schematic diagram of the high solidifying wax oil property of Fig. 1 measurements.
Fig. 2 quartz scrapes tabletting schematic diagram.
Wherein：1 near infrared spectrometer sample cell fastener, 2 oil resistant rubber sealing gaskets, 3 oily rubber gaskets, 4 polytetrafluoroethylene (PTFE) are close
Packing, 5 sample cells, 6 bolts, 7 quartz scrape tabletting.
Embodiment
Injector composition of the present invention has：Near infrared spectrometer sample cell fastener 1, oil resistant rubber sealing gasket 2, quartz wound piece
3rd, polytetrafluoroethylene sealing gasket 4, sample cell 5, bolt 6, quartz scrape tabletting 7；
Install on oil resistant rubber sealing gasket 2, oil resistant rubber sealing gasket 2 and install on the surface of near infrared spectrometer sample cell fastener 1
Quartz wound piece 3, quartz wound piece 3 on install polytetrafluoroethylene sealing gasket 4 then with bolt by outer instrument sample cell fastener 1,
Oil resistant rubber sealing gasket 2, quartz wound piece 3, polytetrafluoroethylene sealing gasket 4 are connected, in quartz wound piece, teflon seal
Sample cell 5 is formed in the space that pad, bolt are surrounded.
The wax oil that can not will be sampled at normal temperatures, heats and softens or injects the special Autosampler pond 5 after liquefying,
Sample cell is struck off with glass scraper tabletting 7 under sample softening or liquefaction, after sample is cooled to normal temperature cure shaping, in stone
Test sample region is formed in the space that English wound piece 3, polytetrafluoroethylene sealing gasket 4, bolt 6 are surrounded.
Special injector is integrally put into nir instrument, nir instrument is fixed on near infrared spectrometer sample cell fastener 1
It is interior, instrument power source is connected, after carrying out direct measurement after instrument stabilizer, the wax oil near infrared spectrum of coincidence measurement requirement can be obtained
Figure, so as to obtain the data of the characteristic absorption peak of high condensation point wax oil, basic data is provided to set up near-infrared wax oil property model,
And then obtain the evaluation conclusions such as the property of wax oil.
Embodiment 1：
Kazakhstan's train wax oil colloid property measurement
Using the special injector for coordinating nir instrument to measure high condensation point wax oil, first by near infrared spectrometer sample cell fastener
Installed on surface and quartz wound piece is installed on oil resistant rubber sealing gasket, oily rubber gasket, polytetrafluoroethyl-ne is installed on quartz wound piece
Alkene sealing gasket and then with bolt that outer instrument sample cell fastener, oil resistant rubber sealing gasket, quartz wound piece, polytetrafluoroethylene (PTFE) is close
Packing is connected, and sample cell is formed in the space that quartz wound piece, polytetrafluoroethylene sealing gasket, bolt are surrounded.
By Kazakhstan's train wax oil that can not be sampled at normal temperatures, injected after being heated to 80 DEG C of softenings or liquefaction
The special Autosampler pond, strikes off sample cell with glass scraper tabletting under sample softening or liquefaction, treats that sample is cooled to
After 30 DEG C of curing moldings, test sample area is formed in the space that quartz wound piece, polytetrafluoroethylene sealing gasket, bolt are surrounded
Domain.
Special injector is integrally put into nir instrument, nir instrument is 1. fixed on near infrared spectrometer sample cell fastener
It is interior, instrument power source is connected, after carrying out direct measurement after instrument stabilizer, the wax oil near infrared spectrum of coincidence measurement requirement can be obtained
Figure, so as to obtain the data of the characteristic absorption peak of high condensation point wax oil, basis is provided to set up near-infrared wax oil colloid property model
Data, and then obtain the evaluation conclusions such as the property of wax oil.
For normal temperature solid-state, it is impossible to inject the high condensation point wax oil of liquid sample pool, utilize homemade cooperation nir instrument
Measure the high special injector of condensation point wax oil to obtain high condensation point wax oil atlas of near infrared spectra, fill up national and foreign standards
Lack the blank of high solidifying wax oil spectrogram in spectrum picture library.
Embodiment 2：
The mixed gatch asphalitine property measurement of Kelamayi North SinKiang
Special injector is used, oil resistant rubber sealing gasket, oily rubber first will be installed on the surface of near infrared spectrometer sample cell fastener
Quartz wound piece is installed on sealing gasket, polytetrafluoroethylene sealing gasket is installed and then with bolt by outer instrument sample on quartz wound piece
Product pond fastener, oil resistant rubber sealing gasket, quartz wound piece, polytetrafluoroethylene sealing gasket are connected, in quartz wound piece, polytetrafluoroethyl-ne
Sample cell is formed in the space that alkene sealing gasket, bolt are surrounded.
By the Kelamayi North SinKiang mixed gatch that can not be sampled at normal temperatures, noted after being heated to 70 DEG C of softenings or liquefaction
Enter the special Autosampler pond, sample cell is struck off with glass scraper tabletting under sample softening or liquefaction, treat that sample is cooled down
To 40 DEG C of curing moldings, created in quartz and test sample area is formed in piece, the space that polytetrafluoroethylene sealing gasket, bolt are surrounded
Domain.
Special injector is integrally put into nir instrument, nir instrument is fixed on near infrared spectrometer sample cell fastener
It is interior, instrument power source is connected, after carrying out direct measurement after instrument stabilizer, the wax oil near infrared spectrum of coincidence measurement requirement can be obtained
Figure, so as to obtain the data of the characteristic absorption peak of high condensation point wax oil, base is provided to set up near-infrared wax oil asphalitine property model
Plinth data, and then obtain the evaluation conclusions such as the property of wax oil.
For normal temperature solid-state, it is impossible to inject the high condensation point wax oil of liquid sample pool, utilize homemade cooperation nir instrument
The atlas of near infrared spectra of high condensation point wax oil can be obtained by measuring the high special injector of condensation point wax oil, can fill up national and foreign standards light
Lack the blank of high solidifying wax oil spectrogram in spectrogram storehouse.
Embodiment 3：
Eastern boundary oil field Huoshaoshan wax oil aromatic hydrocarbons property measurement
Using the special injector for coordinating nir instrument to measure high condensation point wax oil, first by near infrared spectrometer sample cell fastener
Installed on surface and quartz wound piece is installed on oil resistant rubber sealing gasket, oily rubber gasket, polytetrafluoroethyl-ne is installed on quartz wound piece
Alkene sealing gasket and then with bolt that outer instrument sample cell fastener, oil resistant rubber sealing gasket, quartz wound piece, polytetrafluoroethylene (PTFE) is close
Packing is connected, and sample cell is formed in the space that quartz wound piece, polytetrafluoroethylene sealing gasket, bolt are surrounded.
By the eastern boundary oil field Huoshaoshan wax oil that can not be sampled at normal temperatures, injected after being heated to 90 DEG C of softenings or liquefaction
The special Autosampler pond, strikes off sample cell with glass scraper tabletting under sample softening or liquefaction, treats that sample is cooled to
After 45 DEG C of curing moldings, test sample area is formed in the space that quartz wound piece, polytetrafluoroethylene sealing gasket, bolt are surrounded
Domain.
Special injector is integrally put into nir instrument, nir instrument is fixed on near infrared spectrometer sample cell fastener
It is interior, instrument power source is connected, after carrying out direct measurement after instrument stabilizer, the wax oil near infrared spectrum of coincidence measurement requirement can be obtained
Figure, so as to obtain the data of the characteristic absorption peak of high condensation point wax oil, basis is provided to set up near-infrared wax oil aromatic hydrocarbons property model
Data, and then obtain the evaluation conclusions such as the property of wax oil.
For normal temperature solid-state, it is impossible to inject the high condensation point wax oil of liquid sample pool, use homemade cooperation nir instrument
The atlas of near infrared spectra of high condensation point wax oil can be obtained by measuring the high special injector of condensation point wax oil, fill up national and foreign standards spectrogram
Lack the blank of high solidifying wax oil spectrogram in storehouse.
Embodiment 4：
Middle oil transport Amy gram wax oil saturation point property measurement
It will first be installed on the surface of near infrared spectrometer sample cell fastener and stone be installed on oil resistant rubber sealing gasket, oily rubber gasket
English wound piece, on quartz wound piece polytetrafluoroethylene sealing gasket is installed and then with bolt by outer instrument sample cell fastener, oil resistant rubber
Glue sealing gasket, quartz wound piece, polytetrafluoroethylene sealing gasket are connected, in quartz wound piece, polytetrafluoroethylene sealing gasket, positioning spiral shell
Sample cell is formed in the space that bolt is surrounded.
The wax oil that can not will be sampled at normal temperatures, heats and softens or injects the special Autosampler pond after liquefying,
Sample cell is struck off with glass scraper tabletting under sample softening or liquefaction, after sample is cooled to normal temperature cure shaping, in stone
Test sample region is formed in the space that English wound piece, polytetrafluoroethylene sealing gasket, bolt are surrounded.
Special injector is integrally put into nir instrument, nir instrument is fixed on near infrared spectrometer sample cell fastener
It is interior, instrument power source is connected, after carrying out direct measurement after instrument stabilizer, the wax oil near infrared spectrum of coincidence measurement requirement can be obtained
Figure, so as to obtain the data of the characteristic absorption peak of high condensation point wax oil, base is provided to set up near-infrared wax oil saturation point property model
Plinth data, and then obtain the evaluation conclusions such as the property of wax oil.
For normal temperature solid-state, it is impossible to inject the high condensation point wax oil of liquid sample pool, utilize homemade cooperation nir instrument
The atlas of near infrared spectra that the special injector of high condensation point wax oil measures high condensation point wax oil is measured, meet that analysis process quickly analyzes will
Ask.
Embodiment 5：Black petrochemical industry wax oil saturation point property measurement
By the black petrochemical industry wax oil that can not be sampled at normal temperatures, special injector sample is injected after being heated to 100 DEG C of liquefaction
Product pond, sample cell is struck off under sample liquefaction with glass scraper tabletting, after sample is cooled to normal temperature cure shaping, in quartz
Test sample region is formed in the space that wound piece, polytetrafluoroethylene sealing gasket, bolt are surrounded.
Special injector is integrally put into nir instrument, nir instrument is fixed on near infrared spectrometer sample cell fastener
It is interior, instrument power source is connected, after carrying out direct measurement after instrument stabilizer, the wax oil near infrared spectrum of coincidence measurement requirement can be obtained
Figure, so as to obtain the data of the characteristic absorption peak of high condensation point wax oil, base is provided to set up near-infrared wax oil saturation point property model
Plinth data, and then obtain the evaluation conclusions such as the property of wax oil.
For normal temperature solid-state, it is impossible to inject the high condensation point wax oil of liquid sample pool, utilize homemade cooperation nir instrument
The atlas of near infrared spectra that the special injector of high condensation point wax oil measures high condensation point wax oil is measured, meet that analysis process quickly analyzes will
Ask.
Claims (1)
1. a kind of application for the injector for measuring high solidifying wax oil property, it is characterised in that：The injector is by near infrared spectrometer sample
Pond fastener, oil resistant rubber sealing gasket, quartz wound piece, polytetrafluoroethylene sealing gasket, sample cell, bolt, glass scraper tabletting group
Into；Installed on the surface of near infrared spectrometer sample cell fastener and quartz wound piece be installed on oil resistant rubber sealing gasket, oil resistant rubber sealing gasket,
Polytetrafluoroethylene sealing gasket is installed on quartz wound piece, then with bolt by near infrared spectrometer sample cell fastener, oil resistant rubber
Sealing gasket, quartz wound piece, polytetrafluoroethylene sealing gasket are connected, in quartz wound piece, polytetrafluoroethylene sealing gasket, bolt
Sample cell is formed in the space surrounded；
The application of the injector of the high solidifying wax oil property of measurement includes：The wax oil that can not will be sampled at normal temperatures, heating
The Autosampler pond is injected after softening or liquefaction, sample cell is struck off with glass scraper tabletting under sample softening or liquefaction,
After sample is cooled to normal temperature cure shaping, in the space that quartz wound piece, polytetrafluoroethylene sealing gasket, bolt are surrounded
Form test sample region；
Injector is integrally put into nir instrument, is fixed on near infrared spectrometer sample cell fastener in nir instrument, instrument is connected
Device power supply, after carrying out direct measurement after instrument stabilizer, obtains wax oil atlas of near infrared spectra, so as to obtain the feature of high condensation point wax oil
The data of absworption peak, set up near-infrared wax oil property 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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| CN104634756B true CN104634756B (en) | 2017-08-04 |
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| CN202794017U (en) * | 2012-08-21 | 2013-03-13 | 中国科学院上海应用物理研究所 | Liquid sample cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH05187995A (en) * | 1992-01-10 | 1993-07-27 | Hashimoto Kasei Kk | Flow type liquid cell for infrared rays |
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|---|---|---|---|---|
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