CN204989143U - Carrier gas system of assay laboratory device - Google Patents
Carrier gas system of assay laboratory device Download PDFInfo
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- CN204989143U CN204989143U CN201520676406.1U CN201520676406U CN204989143U CN 204989143 U CN204989143 U CN 204989143U CN 201520676406 U CN201520676406 U CN 201520676406U CN 204989143 U CN204989143 U CN 204989143U
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Abstract
The utility model relates to a carrier gas system of assay laboratory device belongs to gas analysis technical field. The device includes a plurality of outdoor carrier gas bottles of locating, the first export of passing through stainless steel flexible hose and three way connection of carrier gas bottle gas outlet link to each other, three way connection's second export links to each other with the one end of first stop valve, three way connection's third export links to each other with the one end of atmospheric valve, the other end of atmospheric valve links to each other with emptying pipeline, the other end of first stop valve links to each other with the one end of first polishing pipeline, the other end of first polishing pipeline loop through reducing quick -operation joint, the second stop valve links to each other with the one end of second polishing pipeline, the other end of second polishing pipeline links to each other with laboratory glassware's gas access through a quick -operation joint. The utility model discloses the device moves gas cylinder danger source to outdoor, has guaranteed personnel's operation safety, has solved the longer replacement problem of sweeping that arouses of gas piping again.
Description
Technical field
The utility model belongs to gas analysis technology field, is specifically related to a kind of assay laboratory carrier gas system device.
Background technology
Gas analysis is an important branch of modern equipment analysis field, depends on the fast development of various gas analysis instrument, has vital effect in medical treatment, metering, monitoring of environment and electron trade.In gas analysis instrument, again based on gas chromatography, spectrum, mass spectrum and various detecting device, and wherein all need absolutely mostly the necessary condition run using the carrier gas of mounting medium as instrument.Only for the helium ion gas chromatography of Analysis of Gases of High Purity, just need to reach 4 kinds of high-purity gas as carrier gas, and use for laboratory high-purity gas is substantially all 40L steel cylinder packaging, must be connected on instrument with pipeline form, existing way is be directly connected on device with rubber tube after reduction valve substantially, due to many restrictions such as itself the mobile inconvenience of steel cylinder, cause this connected mode all cannot meet request for utilization safety or in the purity required for carrier gas.
Gas cylinder belongs to pressure vessel, and in gas cylinder, the gas of splendid attire belongs to hazardous chemical mostly, and traditional connected mode causes gas cylinder to be positioned near device, and personnel carry out analytical and detecting work under also must being exposed to the instability danger of gas cylinder.In addition conventional coupling arrangement adopts rubber pipeline, and after Long-Time Service, aging gas leakage or blast all may crisis personal safeties.There is rubber pipeline to have stronger adsorbability and residual to gas itself again, very easily cause gas purity to be polluted.Its main technical issues that need to address are as follows: though 1. gas cylinder is moved to outside, laboratory to ensure that safety delivery of carrier gas in which way.2. how the length of pipeline greatly increased ensures air-tightness and request for utilization.3. can meet with requiring and necessary simple operation
There is the reason of these problems:
1. the danger of gas cylinder is higher, is positioned over laboratory internal and very easily works the mischief to personal security.
2. conventional coupling arrangement security performance and technical feature all cannot be guaranteed, and what the residual and absorption that pipe material causes brought increases the weight of with service time equipment damage.
3. the residual and absorption that the increase of length of pipe causes also increases, and purges the increase of displacement difficulty.
Traditional gas transfer pipeline mostly is welding pipeline or rubber pipeline, because the using state of carrier gas exists certain pressure, and analysis carrier gas is mostly high-purity gas, the regulation that its impurity content is necessary, cause the connection of carrier gas must can ensure that pressure-bearing simultaneously, also to there is very high impermeability, can not gas leak phenomenon be had.Welding pipeline is because of failure welding and weld the generation that residue etc. very likely causes the situations such as sand holes, gas leakage and pipeline pollution; And though rubber tube impermeability is better, its easily the factor such as aging, material volatilization own also can bring the problem of the aspects such as the upper and cleanliness factor of safety.Therefore how overcoming the deficiencies in the prior art is problems that solution is needed in current gas analysis technology field badly.
Utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, a kind of assay laboratory carrier gas system device is provided, gas cylinder dangerous matter sources is moved to outdoor by this device, ensure that the handling safety of personnel, solves again the longer caused displacement of gas piping and purges problem.
The technical solution adopted in the utility model is as follows:
A kind of assay laboratory carrier gas system device, comprise multiple carrier gas bottle being located at outdoor, described carrier gas bottle gas vent to be exported with first of three-way connection by stainless steel flexible hose and is connected, second outlet of three-way connection is connected with one end of the first stop valve, 3rd outlet of three-way connection is connected with one end of atmospheric valve, and the other end of atmospheric valve is connected with emptying pipe; The other end of the first stop valve is connected with one end of the first polishing pipeline; The other end of the first described polishing pipeline is connected with one end of the second polishing pipeline by reducing rapid-acting coupling, the second stop valve successively, and the other end of the second polishing pipeline is connected with the gas access of experimental apparatus by the first rapid-acting coupling;
The internal diameter of the second described polishing pipeline is identical with the gas access internal diameter of experimental apparatus;
Described experimental apparatus is located in laboratory.
Further, the second rapid-acting coupling is adopted to connect between preferably described carrier gas bottle gas vent and stainless steel flexible hose.
Further, the first preferably described rapid-acting coupling and the second rapid-acting coupling are bite type rapid-acting coupling.
Further, the first preferably described polishing pipeline is 1/4 electro-polish pipeline made in Great Britain.
Further, preferably described reducing rapid-acting coupling is the rapid-acting coupling of reducing bite type.
Further, the second preferably described polishing pipeline is 1/8 electro-polish pipeline made in Great Britain.
Further, the first preferably described polishing pipeline is located in the wall in laboratory, and the second polishing pipeline is located in laboratory.
Further, preferably described carrier gas bottle is air bottle, nitrogen cylinder, hydrogen cylinder, helium tank or argon bottle.
Further, preferably described experimental apparatus is gas analysis instrument, and described gas analysis instrument is gas chromatograph, spectrometer or mass spectrometer.
Further, preferably the material of stainless steel flexible hose, the first polishing pipeline and the second polishing pipeline is 316L stainless steel.
The utility model changes traditional welded type and rubber pipeline carrier gas system, and adopt 1/4 electro-polish pipeline made in Great Britain and bite type rapid-acting coupling to connect, its impermeability and cleanliness factor all reach higher level.Pipeline material is 316L stainless steel, and have the advantages such as anticorrosive, anti-absorption, pressure-bearing can reach 25MPa, considerably beyond storage pressure, ensures personnel's safe operation to greatest extent.Gas cylinder is all placed in outdoor, adopts pipeline to deliver the gas to laboratory internal
compared with prior art, its beneficial effect is the utility model:
The technological core of this device moves to outdoor by gas cylinder dangerous matter sources, ensure that the handling safety of personnel, solve again the longer caused displacement of gas piping and purge problem, pipeline adopts welding-free type connected mode, make the security of construction improves greatly, impermeability is also guaranteed simultaneously.The total system 316L material that pipeline adopts has the plurality of advantages such as anticorrosive, anti-absorption, and ensure that the requirement of cleanliness factor, entire system is beautiful and clean, and changing pipeline in the past and to interlock the phenomenon such as filthy brought, is the new design that a kind of application is stronger.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is assay laboratory of the present invention carrier gas system apparatus structure schematic diagram; A-quadrant is located at outdoor, and B region is located in the wall of laboratory, and C region is located in laboratory, but is not limited thereto.
Wherein, 1, carrier gas bottle; 2, stainless steel flexible hose; 3, the first stop valve; 4, atmospheric valve; 5, emptying pipe; 6, the first polishing pipeline; 7, reducing rapid-acting coupling; 8, the second polishing pipeline; 9, the first rapid-acting coupling; 10, experimental apparatus; 11, the second stop valve; 12, the second rapid-acting coupling; 13, three-way connection.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
It will be understood to those of skill in the art that the following example only for illustration of the utility model, and should not be considered as limiting scope of the present utility model.Unreceipted concrete technology or condition person in embodiment, according to the technology described by the document in this area or condition or carry out according to product description.The unreceipted production firm person of material therefor, instrument or equipment, being can by buying the conventional products obtained.
As shown in Figure 1, a kind of assay laboratory carrier gas system device, comprise carrier gas bottle 1, described carrier gas bottle 1 gas vent is exported with first of three-way connection 13 by stainless steel flexible hose 2 and is connected, second outlet of three-way connection 13 is connected with one end of the first stop valve 3,3rd outlet of three-way connection 13 is connected with one end of atmospheric valve 4, and the other end of atmospheric valve 4 is connected with emptying pipe 5;
Carrier gas bottle 1 has multiple, is all located at outdoor, and each carrier gas bottle 1 adopts independently gas circuit in principle, not mixed with other carrier gas bottle 1;
The position relationship of three outlets of three-way connection 13 is: the first outlet communicates with the second outlet level, the 3rd outlet and the first exit normal, and the 3rd outlet and second exports also vertical.
The other end of the first stop valve 3 is connected with one end of the first polishing pipeline 6; The other end of the first described polishing pipeline 6 is connected with one end of the second polishing pipeline 8 by reducing rapid-acting coupling 7, second stop valve 11 successively, and the other end of the second polishing pipeline 8 is connected with the gas access of experimental apparatus 10 by the first rapid-acting coupling 9; 8 internal diameters of the second described polishing pipeline are identical with the gas access internal diameter of experimental apparatus 10;
Conveniently experimental conditions, described experimental apparatus 10 is located in laboratory, and experimental apparatus can be one, can be also multiple stage, be not particularly limited.
The second rapid-acting coupling 12 is adopted to connect between described carrier gas bottle 1 gas vent and stainless steel flexible hose 2.
First rapid-acting coupling 9 and the second rapid-acting coupling 12 are bite type rapid-acting coupling.
The first polishing pipeline 6 described in the present embodiment is 1/4 electro-polish pipeline made in Great Britain, and the second polishing pipeline 8 is 1/8 electro-polish pipeline made in Great Britain, and reducing rapid-acting coupling 7 is the rapid-acting coupling of reducing bite type.
First polishing pipeline 6 is located in the wall in laboratory, and the second polishing pipeline 8 is located in laboratory.
Described carrier gas bottle 1 is can air bottle, nitrogen cylinder, hydrogen cylinder, helium tank or argon bottle, but is not limited thereto.Picture nitrogen cylinder also can be high pure nitrogen, also can be general nitrogen.
Described experimental apparatus 10 is gas analysis instrument, and described gas analysis instrument is gas chromatograph, spectrometer or mass spectrometer, but is not limited thereto.
The material of stainless steel flexible hose 2, first polishing pipeline 3 and the second polishing pipeline 8 is 316L stainless steel.
The utility model overcomes technical barrier, whole gas cylinder is moved to the outdoor danger fundamentally solving gas cylinder and bring.Timely valve-off when second stop valve 4 is convenient to installing/dismounting, ensures to change in carrier gas bottle 1 process and can not bring impurity into.In replacing carrier gas bottle 1 process after the flexible pipe dismounting of stop valve lower end, inevasible meeting enters air, the air of how thoroughly to replace inside hose becomes the technological difficulties of this patent, we have installed three-way interface for this reason, independent design atmospheric valve, when changing gas, first the first stop valve 3 is closed, prevent internal duct contaminated, change gas again, after connecting stainless steel flexible hose 2, open atmospheric valve 4, open carrier gas bottle cylinder valve again, gas slowly is made to purge the stainless steel flexible hose pipeline of replacing and being connected to the first stop valve 3, about 30 seconds to be purged, close atmospheric valve 4 immediately, open the first stop valve 3 again, can ensure can not bring impurity in pipeline, i.e. simple operation, in turn ensure that the cleanliness factor of carrier gas, only need displacement outside comparatively short pipeline simultaneously, also fundamentally solve pipeline and lengthen the displacement difficult problem caused.
The utility model pipeline entirety is neat and artistic, adopt plastic cement cutting ferrule that the part pipeline of the first polishing pipeline is installed on laboratory interior wall, extend to above every platform instrument successively, vertically be fixed on again after instrument, then the rapid-acting coupling of reducing bite type is adopted caliber to be changed into 1/8 pipeline made in Great Britain, so that be connected with equipment.Reducing rapid-acting coupling 7 uses together with the second stop valve 11, is namely convenient to cut off source of the gas at any time, also can form pressurize by closing pipe line, prevent extraneous gas from entering and pollute
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. assay laboratory's carrier gas system device, it is characterized in that, comprise multiple carrier gas bottle being located at outdoor, described carrier gas bottle gas vent to be exported with first of three-way connection by stainless steel flexible hose and is connected, second outlet of three-way connection is connected with one end of the first stop valve, 3rd outlet of three-way connection is connected with one end of atmospheric valve, and the other end of atmospheric valve is connected with emptying pipe; The other end of the first stop valve is connected with one end of the first polishing pipeline; The other end of the first described polishing pipeline is connected with one end of the second polishing pipeline by reducing rapid-acting coupling, the second stop valve successively, and the other end of the second polishing pipeline is connected with the gas access of experimental apparatus by the first rapid-acting coupling;
The internal diameter of the second described polishing pipeline is identical with the gas access internal diameter of experimental apparatus;
Described experimental apparatus is located in laboratory.
2. assay laboratory according to claim 1 carrier gas system device, is characterized in that, adopts the second rapid-acting coupling to connect between described carrier gas bottle gas vent and stainless steel flexible hose.
3. assay laboratory according to claim 2 carrier gas system device, is characterized in that, the first described rapid-acting coupling and the second rapid-acting coupling are bite type rapid-acting coupling.
4. assay laboratory according to claim 1 carrier gas system device, is characterized in that, the first described polishing pipeline is 1/4 electro-polish pipeline made in Great Britain.
5. assay laboratory according to claim 1 carrier gas system device, is characterized in that, described reducing rapid-acting coupling is the rapid-acting coupling of reducing bite type.
6. assay laboratory according to claim 1 carrier gas system device, is characterized in that, the second described polishing pipeline is 1/8 electro-polish pipeline made in Great Britain.
7. assay laboratory according to claim 1 carrier gas system device, is characterized in that, the first described polishing pipeline is located in the wall in laboratory, and the second polishing pipeline is located in laboratory.
8. assay laboratory according to claim 1 carrier gas system device, is characterized in that, described carrier gas bottle is air bottle, nitrogen cylinder, hydrogen cylinder, helium tank or argon bottle.
9. assay laboratory according to claim 1 carrier gas system device, is characterized in that, described experimental apparatus is gas analysis instrument, and described gas analysis instrument is gas chromatograph, spectrometer or mass spectrometer.
10. assay laboratory according to claim 1 carrier gas system device, is characterized in that, the material of stainless steel flexible hose, the first polishing pipeline and the second polishing pipeline is 316L stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520676406.1U CN204989143U (en) | 2015-09-01 | 2015-09-01 | Carrier gas system of assay laboratory device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520676406.1U CN204989143U (en) | 2015-09-01 | 2015-09-01 | Carrier gas system of assay laboratory device |
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| CN204989143U true CN204989143U (en) | 2016-01-20 |
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| CN201520676406.1U Active CN204989143U (en) | 2015-09-01 | 2015-09-01 | Carrier gas system of assay laboratory device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420943A (en) * | 2019-08-30 | 2019-11-08 | 苏州金宏气体股份有限公司 | A kind of device and method removing solid particle in ultra-pure ethyl orthosilicate steel cylinder |
| CN112834634A (en) * | 2020-12-28 | 2021-05-25 | 北京杰宇广谱科技有限公司 | Fast gas chromatograph |
-
2015
- 2015-09-01 CN CN201520676406.1U patent/CN204989143U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420943A (en) * | 2019-08-30 | 2019-11-08 | 苏州金宏气体股份有限公司 | A kind of device and method removing solid particle in ultra-pure ethyl orthosilicate steel cylinder |
| CN110420943B (en) * | 2019-08-30 | 2024-05-31 | 金宏气体股份有限公司 | Device and method for removing solid particles in ultra-high purity ethyl silicate steel cylinder |
| CN112834634A (en) * | 2020-12-28 | 2021-05-25 | 北京杰宇广谱科技有限公司 | Fast gas chromatograph |
| CN112834634B (en) * | 2020-12-28 | 2022-10-04 | 北京杰宇广谱科技有限公司 | Fast gas chromatograph |
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