CN205620426U - Investigation cap is examined in hourglass that elementary analysis appearance and solid autosampler online connections used - Google Patents
Investigation cap is examined in hourglass that elementary analysis appearance and solid autosampler online connections used Download PDFInfo
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- CN205620426U CN205620426U CN201620387689.2U CN201620387689U CN205620426U CN 205620426 U CN205620426 U CN 205620426U CN 201620387689 U CN201620387689 U CN 201620387689U CN 205620426 U CN205620426 U CN 205620426U
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- investigation
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- elemental analyser
- automatic sampler
- sliding bar
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Abstract
The utility model discloses an investigation cap is examined in hourglass that elementary analysis appearance and solid autosampler online connections used, characterized by are on solid autosampler gets into elementary analysis appearance import reaction tube way, and investigation cap pressure cover and hourglass are examined quick investigation cap pressure pad nut and is connected he carrier gas pipeline and investigation cap carrier gas mouth sealing connection on the solid autosampler. The utility model discloses can accomplish to elementary analysis appearance and solid autosampler both leak gas quick investigations of some troubles on line, to the debugging of instrument and the processing of trouble before the convenience of customers test assay, its secondary structure is simple, and it is convenient to link, can effectual saving be used for time of leak hunting as the analytic system accessory, and is simultaneously with low costs, has good use and spreading value.
Description
Technical field
This utility model relates to the missing inspection investigation cap of a kind of elemental analyser and the use of solid automatic sampler on-line joining process.
Background technology
Elemental analyser is as a kind of laboratory conventional instrument, C, H, N, S, the content of element in organic solid, high volatility and sensitive species can be carried out quantitative analysis mensuration simultaneously, the elemental stable isotopes composition analysis tests such as C, H, N, S can be completed with mass spectrograph on-line joining process, it is widely used in the research of the aspects such as chemistry, materia medica, petrochemical industry, geology, ocean and river deposit, soil, plant, is indispensable analytical tool in current Research of Environmental Sciences;The instrument of You Duo company is such as in the market: the organic hydrocarbon nitrogen oxygen element sulphur analyser of U.S. CE-440 type, found in nineteen thirty-seven PerkinElmer PE company release in recent years 2400II C, H, N, S, O organic element analyzer, Thermo match is silent flies your FLASH 2000 CHNS/O organic element analyzer of generation etc., especially the latter with the combination of isotope ratio mass spectrometer in terms of, have the coabsolute dominant position of numerous client occuping market at home;These elemental analyser are required for supporting the use a solid automatic sampler, both on-line joining process just can complete the analysis test of the various element of sample, wherein solid sampler is one and is driven sliding bar by motor, and sliding bar precession driven gear rotates, and pinion rotation drives the device that specimen disc rotates.Such as under C, H, N mode determination, sample is respectively put in automatic sampler specimen disc position in storehouse after weighing in fusible stannum capsule or aluminum capsule, when specimen disc rotates, sample sequentially enters combustion tube static combustion under pure oxygen atmosphere, at high temperature burning after gas under helium (He) carrier gas by produce mixed gas separated from one another through special adsorption column, there is thermal conductance instrument (TCD) to carry out METHOD FOR CONTINUOUS DETERMINATION, or carried out the mensuration of Stable isotope ratio by isotope mass spectrometer (MS).In actual testing process, cause gas leak phenomenon owing to connecting can loosen when the gas piping at each position of instrument frequently changes filler and lifting temperature, the most also can rupture because of reaction tube and cause gas leakage;The leak source usually occurred is difficult to judge, has influence on being smoothed out of measuring stability and experiment.
Summary of the invention
In view of above-mentioned, the purpose of this utility model aims to provide the missing inspection investigation cap of a kind of elemental analyser and the use of solid automatic sampler on-line joining process, it is arranged on the seam between elemental analyser and solid automatic sampler, it is connected with end interface on elemental analyser, complete the quick investigation to elemental analyser and solid automatic sampler air leakage point fault online, debugging and the process of fault to instrument before facilitating user test to analyze.
The purpose of this utility model is achieved in that
The missing inspection investigation cap that a kind of elemental analyser and solid automatic sampler on-line joining process use, containing solid automatic sampler and elemental analyser, solid automatic sampler includes the sample purge hole on automatic sampler sliding bar, He gas-carrier pipeline, many positions in storehouse specimen disc, purge gas pipeline and sliding bar;nullElemental analyser includes elemental analyser export pipeline、Reaction tube outlet nut、Elemental analyser entrance nut、Investigation cap gland、Investigation cap carrier gas mouth、Investigation cap pressure pad nut、Sample feeding hole on sliding bar、Elemental analyser exit seal nut and detector,Elemental analyser and solid automatic sampler connect by the elemental analyser entrance nut spiral on reaction tube is fixing,In solid automatic sampler,Purge gas is entered the space in the sample purge hole purged on sample bag and sliding bar by purge gas pipeline,Driven by motor automatic sampler sliding bar precession,Automatic sampler sliding bar precession driven gear rotates,Pinion rotation drives many positions in storehouse specimen disc to rotate,Between automatic sampler sliding bar sample purge hole and the position, Liang Ge hole, sample feeding hole on sliding bar on sliding bar,There is the rubber seal of an opening respectively,Sample feeding hole on sliding bar connects with He gas-carrier pipeline;Enter on elemental analyser outlet reaction pipeline at solid automatic sampler, investigation cap gland and missing inspection are quickly investigated cap pressure pad nut and are connected, He gas-carrier pipeline on solid automatic sampler is tightly connected with investigation cap carrier gas mouth, on elemental analyser export pipeline, reaction tube outlet nut and elemental analyser exit seal nut screw connection spiral connect, elemental analyser export pipeline connection elemental analyser and detector.
Advantage of the present utility model:
Enter on elemental analyser import reaction pipeline at solid automatic sampler, investigation cap gland and missing inspection are quickly investigated cap pressure pad nut and are connected, He gas-carrier pipeline on solid automatic sampler is tightly connected with investigation cap carrier gas mouth, secondly at purge hole on automatic sampler sliding barBeforeAnd between the position, hole of two sample holes, have the rubber seal of an opening respectively, outside air is avoided to be carried along into reaction tube, ensure C, H, N, S, element containing quantity space and the cleaning of sample bag, the quick investigation to elemental analyser and solid automatic sampler air leakage point fault can be completed online, improve test effect.This utility model simple in construction, easy to use, can effectively save as analyzing the system accessories time for leak detection, low cost simultaneously, there is good use and promotional value.
Accompanying drawing explanation
Fig. 1 is this utility model schematic diagram.
Fig. 2 is Fig. 1 elemental analyser schematic diagram.
Fig. 3 is that cap schematic diagram is investigated in Fig. 2 missing inspection.
Fig. 4 is that cap sectional view is investigated in Fig. 2 missing inspection.
In figure: (1) solid automatic sampler, (2) elemental analyser, (3) automatic sampler sliding bar, (4) He gas-carrier pipeline, (5) many positions in storehouse specimen disc, (6) purge gas pipeline, (7) the sample purge hole on sliding bar, (8) elemental analyser export pipeline, (9) reaction tube outlet nut, (10) elemental analyser entrance nut, (11) investigation cap gland, (12) investigation cap carrier gas mouth, (13) investigation cap pressure pad nut, (14) the sample feeding hole on sliding bar, (15) elemental analyser exit seal nut, (16) detector.
Detailed description of the invention
Below, in conjunction with accompanying drawing, the technical solution of the utility model is further described again:
As Figure 1-4, the missing inspection investigation cap that a kind of elemental analyser and solid automatic sampler on-line joining process use, containing solid automatic sampler 1 and elemental analyser 2, solid automatic sampler 1 includes the sample purge hole 7 on automatic sampler sliding bar 3, He gas-carrier pipeline 4, many positions in storehouse specimen disc 5, purge gas pipeline 6 and sliding bar;Elemental analyser 2 package includes elemental analyser export pipeline 8, reaction tube outlet nut 9, elemental analyser entrance nut 10, looks into cap gland 11, sample feeding hole 14, elemental analyser exit seal nut 15 and the detector 16 investigated on cap carrier gas mouth 12, investigation cap pressure pad nut 13, sliding bar.Connect by elemental analyser entrance nut 10 spiral on reaction tube is fixing between elemental analyser 2 and solid automatic sampler 1, in solid automatic sampler 1, purging gas is entered the space in the sample purge hole 7 purged on sample bag and sliding bar by purge gas pipeline 6, ensure space and the cleaning of sample bag, avoid outside air to be carried along into reaction tube, have air to enter during precession in order to avoid automatic sampler sliding bar 3 simultaneously.Driven by motor automatic sampler sliding bar 3 precession, automatic sampler sliding bar 3 precession driven gear rotates, and pinion rotation drives many positions in storehouse specimen disc 5 to rotate, automatic sampler sliding bar 3OnThe rubber seal of an opening is had respectively between sample purge hole 7 and the position, 14 two holes, sample feeding hole on sliding bar on sliding bar, ensure space and the cleaning of sample bag, outside air is avoided to be carried along into reaction tube, meanwhile, for avoiding the sample sliding bar 3 on sliding bar to have air to enter the sample feeding hole 14 on sliding bar during precession.Sample feeding hole 14 on sliding bar connects with He gas-carrier pipeline 4;Enter on elemental analyser outlet reaction pipeline 8 at solid automatic sampler 1, investigation cap gland 11 and missing inspection are quickly investigated cap pressure pad nut 13 and are connected, He gas-carrier pipeline 4 on solid automatic sampler 1 is tightly connected with investigation cap carrier gas mouth 12, on elemental analyser export pipeline 8, reaction tube outlet nut 9 and elemental analyser exit seal nut 15 coordinate spiral to connect, elemental analyser export pipeline 8 connects elemental analyser 2 and detector 16, is the passage of the gas entrance detector generated after reaction is carried in He carrier gas.
nullWhen elemental analyser 2 and solid automatic sampler 1 state of leaking air cannot judge air leakage point,Missing inspection is used quickly to investigate cap: to unclamp elemental analyser entrance nut 10,Disconnect solid automatic sampler 1 and the connection of elemental analyser 2,Investigation cap gland 11 and missing inspection are quickly investigated cap pressure pad nut 13 connect,Then missing inspection is quickly investigated cap pressure pad nut 13 and the fixing connection of elemental analyser 2 spiral,He gas-carrier pipeline 4 on elemental analyser is tightly connected with investigation cap carrier gas mouth 12 simultaneously,At this moment He carrier gas enters elemental analyser 2 by pipeline gas-carrier pipeline 4,Three-way cock before being then shut off on connection element analyser entrance He air pipe 4 and connection element analyser export pipeline three-way cock below,Observe the He atmospheric pressure scale number on elemental analyser 2,If the gauge outfit number of degrees decline quickly in ten minutes,Show that reaction tube outlet nut 9 and the elemental analyser exit seal nut 15 of elemental analyser are problematic,Spiral is needed again to connect,Can also suds or argon detection observation,If this is intact the most problematic at two,Illustrate that reaction tube has to split,Reaction tube must be changed.Otherwise, the He atmospheric pressure scale number on elemental analyser 2 is constant, shows that the reaction tube of elemental analyser exports connection and reaction tube at nut 9 and 15 liang of elemental analyser exit seal nut the most intact;If elemental analyser does not has leak source, illustrate that air leak position is from solid automatic sampler 1, at this moment need to take the baffle plate before solid automatic sampler 1 apart, take out automatic sampler sliding bar 3, the rubber seal of three openings between position, 14 two holes, sample feeding hole above and on sliding bar, the sample purge hole 7 checked on automatic sampler sliding bar 3 on sliding bar, (these materials are often the sample bag bonding and residual when crushing to remove sample remnant in rubber seal, as infrequently cleared up, sticky object can scratch automatic sampler automatic sampler sliding bar, sliding bar has cut can affect sealing), if finding, rubber seal has abrasion omission, also need to the rubber seal more renewed.Such process, it is possible to be rapidly completed the quick investigation of leak source during elemental analyser uses, while providing conveniently for instrument operator, save time and testing cost.
Claims (1)
1. the missing inspection investigation cap that an elemental analyser and solid automatic sampler on-line joining process use, containing solid automatic sampler (1) and elemental analyser (2), solid automatic sampler (1) includes the sample purge hole (7) on automatic sampler sliding bar (3), He gas-carrier pipeline (4), many positions in storehouse specimen disc (5), purge gas pipeline (6) and sliding bar;nullElemental analyser (2) includes elemental analyser export pipeline (8)、Reaction tube outlet nut (9)、Elemental analyser entrance nut (10)、Investigation cap gland (11)、Investigation cap carrier gas mouth (12)、Investigation cap pressure pad nut (13)、Sample feeding hole (14) on sliding bar、Elemental analyser exit seal nut (15) and detector (16),Elemental analyser (2) and solid automatic sampler (1) connect by elemental analyser entrance nut (10) spiral on reaction tube is fixing,In solid automatic sampler (1),Purge gas is entered the space in the sample purge hole (7) purged on sample bag and sliding bar by purge gas pipeline (6),Driven by motor automatic sampler sliding bar (3) precession,Automatic sampler sliding bar (3) precession driven gear rotates,Pinion rotation drives many positions in storehouse specimen disc (5) to rotate,Between position, hole, (14) two, sample feeding hole on sample purge hole (7) that automatic sampler sliding bar (3) is positioned on sliding bar and sliding bar,There is the rubber seal of an opening respectively,Sample feeding hole (14) on sliding bar connects with He gas-carrier pipeline (4);It is characterized in that entering on elemental analyser outlet reaction pipeline (8) at solid automatic sampler (1), investigation cap gland (11) and missing inspection are quickly investigated cap pressure pad nut (13) and are connected, He gas-carrier pipeline (4) on solid automatic sampler (1) is tightly connected with investigation cap carrier gas mouth (12), on elemental analyser export pipeline (8), reaction tube outlet nut (9) and elemental analyser exit seal nut (15) coordinate spiral to connect, elemental analyser export pipeline (8) connection elemental analyser (2) and detector (16).
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CN201620387689.2U CN205620426U (en) | 2016-05-04 | 2016-05-04 | Investigation cap is examined in hourglass that elementary analysis appearance and solid autosampler online connections used |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109212248A (en) * | 2018-07-20 | 2019-01-15 | 北京诺德泰科仪器仪表有限公司 | The ball valve blow device and method of elemental analyser solid sampler |
CN110164748A (en) * | 2019-06-21 | 2019-08-23 | 中国科学技术大学 | A kind of sampling device |
-
2016
- 2016-05-04 CN CN201620387689.2U patent/CN205620426U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109212248A (en) * | 2018-07-20 | 2019-01-15 | 北京诺德泰科仪器仪表有限公司 | The ball valve blow device and method of elemental analyser solid sampler |
CN109212248B (en) * | 2018-07-20 | 2024-02-13 | 北京诺德泰科仪器仪表有限公司 | Ball valve purging device and method for solid sample injector of elemental analyzer |
CN110164748A (en) * | 2019-06-21 | 2019-08-23 | 中国科学技术大学 | A kind of sampling device |
WO2020253239A1 (en) * | 2019-06-21 | 2020-12-24 | 中国科学技术大学 | Sampling device |
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Granted publication date: 20161005 Termination date: 20180504 |
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CF01 | Termination of patent right due to non-payment of annual fee |