CN205301257U - Gas is taken a sample on line and six is led to valve system - Google Patents
Gas is taken a sample on line and six is led to valve system Download PDFInfo
- Publication number
- CN205301257U CN205301257U CN201520802798.1U CN201520802798U CN205301257U CN 205301257 U CN205301257 U CN 205301257U CN 201520802798 U CN201520802798 U CN 201520802798U CN 205301257 U CN205301257 U CN 205301257U
- Authority
- CN
- China
- Prior art keywords
- way valve
- gas
- pipes
- described left
- line period
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Valve Housings (AREA)
Abstract
The utility model relates to a gas is taken a sample on line and six is led to valve system, a serial communication port, including left side six -way valve, right side six -way valve and vacuum pump, the left side six -way valve is connected with the right side six -way valve, right side six -way valve and vacuum pump connection. The utility model provides a pair of gas is taken a sample on line and six is led to valve system, the connection combination through two six logical ball valves is used, forms the space of an independent ration ring, can be alone get the vacuum with quantitative lottery of lotteries, and quantitative ring behind extraction vacuum access system many times carries out a lot of and samples, experimental environment that can not impact systems itself.
Description
Technical field
The utility model relates to new gas on-line period six-way valve system mainly with the gas on-line period for minimum gas such as photolysis water hydrogen system, photocatalysis hydrogen production system, photoelectrolysis water hydrogen manufacturing, CO2 reduction, for gas online acquisition, and it is transported to test set.
Background technology
New gas on-line period valve system, is mainly used in photocatalytic activity evaluation system, photolysis water hydrogen oxygen, the collection of the gaseous products such as carbon dioxide reduction, and online for the gaseous sample collected is transported to test set, gas-chromatography.
Existing gas-chromatography enters sample online, is all generally adopt six-way valve to sample into sample, can realize like this realizing being loaded into the sample of quantitative loop detection device analysis by the switching of six-way valve after sample flows through quantitative loop. This is only suitable for the gaseous sample of uniflux, so just can carry out two sub-samplings. If a closed negative pressure system, before sub-sampling, quantitative loop has carrier gas and is deposited in quantitative loop, can carrier gas be discharged in negative pressure system by switching, the change of closed negative pressure system environment can be caused, be also unfavorable for the accuracy of two sub-samplings of six-way valve.
As shown in Fig. 1-1,1-2, No. 1,2 pipes and negative pressure system UNICOM on the left of six-way valve, 3, No. 6 pipes connect together, and form the system quantitatively closed, are referred to as quantitative loop, and 4, No. 5 pipes connect the carrier gas of gas-chromatographies. State A: when valve is screwed to location A, the connection state of six-way valve is 2,3,1,6 communicate, and 4 communicate with 5, and now the sample of negative pressure system is connected with quantitative loop, and quantitative loop collects sample; State B, when valve is screwed to B location, the connection state of six-way valve is 3,4,5,6 communicate, 1 communicates with 2, and the carrier gas (nitrogen, argon gas or hydrogen) of this time gas chromatography is connected with quantitative loop, and the carrier gas of flowing brings the sample in quantitative loop into chromatographic, after analysis completes, when again returning to A state, the carrier gas in quantitative loop will be discharged in negative pressure system, the consistence of impact experiment.
The defect that sample detection examining system exists searched by above-mentioned existing line: in constant reaction environment, six-way valve repeatedly can not sample in negative pressure system, can not realize comparative analysis.
Practical novel content
In order to solve the above-mentioned problems in the prior art, the utility model provides a kind of gas on-line period six-way valve system, combinationally used by the connection of two six pass ball valves, form the space of an independent quantitative loop, can separately by quantitative loop extracting vacuum, quantitative loop after extracting vacuum repeatedly can carry out multiple repairing weld by connecting system, achieve when not affecting experimental system environment (pressure, atmosphere), can repeatedly realize the on-line period of sample, and achieve the full-automatic software control of valve.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme:
(1) a kind of gas on-line period six-way valve system, comprises left side six-way valve, right side six-way valve and vacuum pump, and described left side six-way valve is connected with right side six-way valve, and described right side six-way valve is connected with vacuum pump.
(2) gas on-line period six-way valve system Gen Ju (1), described left side six-way valve comprises No. 1 pipe, No. 2 pipes, No. 3 pipes, No. 4 pipes, No. 5 pipes and No. 6 pipes, and described right side six-way valve comprises 1 ' number pipe, 2 ' number pipe, 3 ' number pipe, 4 ' number pipe, 5 ' number pipe and 6 ' number pipe; No. 1 pipe of described left side six-way valve and No. 2 pipes are connected with negative pressure system; No. 4 of described left side six-way valve pipes and No. 5 pipes respectively with 3 ' number pipe and 6 ' number pipe downlink connection of right side six-way valve; No. 3 pipes and No. 6 pipes of described left side six-way valve connect; No. 4 ', described right side six-way valve pipe and 5 ' number pipe are connected with gas chromatography detector; Six-way valve 2 ' number pipe in described right side connects vacuum pump.
(3) gas on-line period six-way valve system Gen Ju (1) or (2), described right side six-way valve 2 ' number pipe is connected with vacuum pump by two-way valve.
(4) according to the gas on-line period six-way valve system described in (1)-(3) arbitrary items, there is the pipeline of extracting vacuum described left side six-way valve and six-way valve rear end, right side, together with being combined in closely with valve casing for spool, keep good resistance to air loss.
(5) according to the gas on-line period six-way valve system described in (1)-(4) arbitrary items, described left side six-way valve and right side six-way valve are glass evacuated valve.
(6) according to the gas on-line period six-way valve system described in (1)-(5) arbitrary items, described left side six-way valve and right side six-way valve are metal six pass ball valve, pneumatic six pass ball valves or electronic six pass ball valves.
(7) according to the gas on-line period six-way valve system described in (1)-(6) arbitrary items, described left side six-way valve and right side six-way valve are manual manipulation, micro-chip control or software control.
(8) according to the gas on-line period six-way valve system described in (1)-(7) arbitrary items, the pipeline of described left side six-way valve and right side six-way valve is Glass tubing, plastics tubing, stainless steel or composite material tube.
(9) according to the gas on-line period six-way valve system described in (1)-(8) arbitrary items, the pipeline of described left side six-way valve and right side six-way valve is welding, the joint connection of glass piping, the standard joint of copper, aluminium, iron, stainless steel pipeline connects, or the connection of plastics and matrix material pipeline.
Compared with prior art, the beneficial effects of the utility model are:
1, new gas on-line period six-way valve system of the present utility model, glass valve system achieves eaily manually enters sample, it is possible to vacuum takes the carrier gas in quantitative loop away at any time, easy to operate, and technique is simple.
2, new gas on-line period six-way valve system of the present utility model, adopts two six logical integrated modes, and six-way valve all adopts Full automatic penumatic Valve controlling, it is achieved that software countercharge control, it is not necessary to manually loaded down with trivial details operation, it is possible to mate any producer gas-chromatography.
Accompanying drawing explanation
Fig. 1-1,1-2 are the structure iron of six-way valve.
Fig. 2 is the structure iron being connected of two six-way valve.
The 3D being connected that Fig. 3 is two six logical glass valves schemes.
Fig. 4 is the structure iron being connected of two six-way valve.
Fig. 5 is the structure iron being connected of two six-way valve.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.
As shown in Fig. 2,3,4,5, a kind of gas on-line period six-way valve system, comprises left side six-way valve, right side six-way valve and vacuum pump, and described left side six-way valve is connected with right side six-way valve, and described right side six-way valve is connected with vacuum pump. Described left side six-way valve comprises No. 1 pipe, No. 2 pipes, No. 3 pipes, No. 4 pipes, No. 5 pipes and No. 6 pipes, and described right side six-way valve comprises 1 ' number pipe, 2 ' number pipe, 3 ' number pipe, 4 ' number pipe, 5 ' number pipe and 6 ' number pipe; No. 1 pipe of described left side six-way valve and No. 2 pipes are connected with negative pressure system; No. 4 of described left side six-way valve pipes and No. 5 pipes respectively with 3 ' number pipe and 6 ' number pipe downlink connection of right side six-way valve; No. 3 pipes and No. 6 pipes of described left side six-way valve connect; No. 4 ', described right side six-way valve pipe and 5 ' number pipe are connected with gas chromatography detector; Six-way valve 2 ' number pipe in described right side connects vacuum pump.
There is the pipeline of extracting vacuum described left side six-way valve and six-way valve rear end, right side, together with being combined in closely with valve casing for spool, keep good resistance to air loss.
Described left side six-way valve and right side six-way valve are glass evacuated valve. Described left side six-way valve and right side six-way valve are metal six pass ball valve, pneumatic six pass ball valves or electronic six pass ball valves.
Described left side six-way valve and right side six-way valve are manual manipulation, micro-chip control or software control.
The pipeline of described left side six-way valve and right side six-way valve is Glass tubing, plastics tubing, stainless steel or composite material tube.
The pipeline of described left side six-way valve and right side six-way valve is welding, the joint connection of glass piping, and the standard joint of copper, aluminium, iron, stainless steel pipeline connects, or the connection of plastics and matrix material pipeline.
The gas on-line period six-way valve system work process that the utility model provides is as follows:
(1) before use, as shown in Figure 2, left side six-way valve is pulled B location, location A pulled down by right side six-way valve, the two-way valve of vacuum pump bottom is opened all the time, and now vacuum pump can vacuumize in quantitative loop that No. 3, left side six-way valve pipe, No. 6 pipes, No. 3 ', right side six-way valve pipe, 6 ' number pipe are connected.
(2) after vacuumizing, such as Fig. 4, left side six-way valve being pulled location A, the sample of negative pressure system is directly entered in quantitative loop by No. 1 pipe of left side six-way valve and No. 6 pipes. B location pulled by right side six-way valve, and now the gas of carrier gas of gas chromatography detector is entered in quantitative loop by No. 4 ', right side six-way valve pipe and 5 ' number pipe.
(3) experimentally need after certain time, such as Fig. 5, pull left side six-way valve down B location, right side six-way valve is constant at B location, carrier gas will by right side six-way valve, and the sample delivery in quantitative loop is analyzed by and the quantitative loop of left side six-way valve in the detector of gas chromatograph.
(4) sample is entered and after Data analysis completes, such as Fig. 2, the position of left side six-way valve is constant, and the position of A pulled by right side six-way valve, it is achieved the extraction of carrier gas in quantitative loop, and returns to the state of above-mentioned steps (1), it is achieved once complete enter sample.
Two six-way valve combination that the utility model adopts, for glass six-way valve is containing vacuum cup, it is possible to adopt the pneumatic six-way valve of stainless steel (or electronic six-way valve), by the action of software control six-way valve, sequence of operation is identical with manual mode, it is achieved that fully automatic operation.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims. The utility model in essence of the present utility model and protection domain, can be made various amendment or equivalent replacement by those skilled in the art, and this kind of amendment or equivalent replacement also should be considered as dropping in protection domain of the present utility model.
Claims (9)
1. a gas on-line period six-way valve system, it is characterised in that, comprise left side six-way valve, right side six-way valve and vacuum pump, described left side six-way valve is connected with right side six-way valve, and described right side six-way valve is connected with vacuum pump.
2. gas on-line period six-way valve system according to claim 1, it is characterized in that, described left side six-way valve comprises No. 1 pipe, No. 2 pipes, No. 3 pipes, No. 4 pipes, No. 5 pipes and No. 6 pipes, and described right side six-way valve comprises 1 ' number pipe, 2 ' number pipe, 3 ' number pipe, 4 ' number pipe, 5 ' number pipe and 6 ' number pipe; No. 1 pipe of described left side six-way valve and No. 2 pipes are connected with negative pressure system; No. 4 pipes and No. 5 pipes of described left side six-way valve are connected with 6 ' number pipe with 3 ' number pipe of right side six-way valve respectively; No. 3 pipes and No. 6 pipes of described left side six-way valve connect; No. 4 ', described right side six-way valve pipe and 5 ' number pipe are connected with gas chromatography detector; Six-way valve 2 ' number pipe in described right side connects vacuum pump.
3. gas on-line period six-way valve system according to claim 2, it is characterised in that, described right side six-way valve 2 ' number pipe is connected with vacuum pump by two-way valve.
4. gas on-line period six-way valve system according to claim 1 and 2, it is characterised in that, there is the pipeline of extracting vacuum described left side six-way valve and six-way valve rear end, right side, together with being combined in closely with valve casing for spool, keep good resistance to air loss.
5. gas on-line period six-way valve system according to claim 1 and 2, it is characterised in that, described left side six-way valve and right side six-way valve are glass evacuated valve.
6. gas on-line period six-way valve system according to claim 1 and 2, it is characterised in that, described left side six-way valve and right side six-way valve are metal six pass ball valve, pneumatic six pass ball valves or electronic six pass ball valves.
7. gas on-line period six-way valve system according to claim 1 and 2, it is characterised in that, described left side six-way valve and right side six-way valve are manual manipulation, micro-chip control or software control.
8. gas on-line period six-way valve system according to claim 1 and 2, it is characterised in that, the pipeline of described left side six-way valve and right side six-way valve is Glass tubing, plastics tubing, stainless steel or composite material tube.
9. gas on-line period six-way valve system according to claim 1 and 2, it is characterized in that, the pipeline of described left side six-way valve and right side six-way valve is welding, the joint connection of glass piping, the standard joint of copper, aluminium, iron, stainless steel pipeline connects, or the connection of plastics and matrix material pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520802798.1U CN205301257U (en) | 2015-10-15 | 2015-10-15 | Gas is taken a sample on line and six is led to valve system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520802798.1U CN205301257U (en) | 2015-10-15 | 2015-10-15 | Gas is taken a sample on line and six is led to valve system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205301257U true CN205301257U (en) | 2016-06-08 |
Family
ID=56438781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520802798.1U Active CN205301257U (en) | 2015-10-15 | 2015-10-15 | Gas is taken a sample on line and six is led to valve system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205301257U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366004A (en) * | 2017-07-06 | 2017-11-21 | 中山大学 | A kind of stainless steel optical electro-chemistry reaction unit for being provided simultaneously with the online and offline analytic function of gas |
| CN109425678A (en) * | 2018-11-16 | 2019-03-05 | 许继集团有限公司 | Device for sampling quantitative gas and gas-chromatography detection system |
| CN111189948A (en) * | 2020-01-07 | 2020-05-22 | 常州磐诺仪器有限公司 | High-vacuum negative-pressure sample injection system and method |
| CN111239308A (en) * | 2020-01-07 | 2020-06-05 | 常州磐诺仪器有限公司 | Online high-vacuum negative-pressure gas sampling system and method |
-
2015
- 2015-10-15 CN CN201520802798.1U patent/CN205301257U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366004A (en) * | 2017-07-06 | 2017-11-21 | 中山大学 | A kind of stainless steel optical electro-chemistry reaction unit for being provided simultaneously with the online and offline analytic function of gas |
| CN107366004B (en) * | 2017-07-06 | 2023-09-26 | 中山大学 | Stainless steel photoelectrochemical reaction device with gas on-line and off-line analysis functions |
| CN109425678A (en) * | 2018-11-16 | 2019-03-05 | 许继集团有限公司 | Device for sampling quantitative gas and gas-chromatography detection system |
| CN109425678B (en) * | 2018-11-16 | 2020-09-18 | 许继集团有限公司 | Gas quantitative sampling device and gas chromatography detection system |
| CN111189948A (en) * | 2020-01-07 | 2020-05-22 | 常州磐诺仪器有限公司 | High-vacuum negative-pressure sample injection system and method |
| CN111239308A (en) * | 2020-01-07 | 2020-06-05 | 常州磐诺仪器有限公司 | Online high-vacuum negative-pressure gas sampling system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205301257U (en) | Gas is taken a sample on line and six is led to valve system | |
| CN102818871B (en) | Interface device and method for on-line coupling of liquid chromatography-gas chromatography/mass spectrum (LC-GC/MS) | |
| CN205844286U (en) | Microliter amount gas unimolecule stability of compounds isotopics analytical equipment | |
| CN205298767U (en) | Gas cross tee bend valve system that takes a sample on line | |
| CN205263037U (en) | Element form on -line measuring device | |
| CN105572281B (en) | The gas chromatographic analysis device and its analysis method of a kind of high purity oxygen gas | |
| CN102818679B (en) | Sampling device used in satellite total leak rate testing leak detector | |
| CN201637728U (en) | Device for rapidly detecting constituents of hydrogen | |
| CN212483485U (en) | Continuous sampling non-methane total hydrocarbon on-line monitoring system | |
| CN211553467U (en) | Tritium, iodine and aerosol online sampling device | |
| CN207764006U (en) | Gas on-line period valve system | |
| CN207437897U (en) | A kind of gas on-line period six-way valve and its system | |
| CN205538356U (en) | Sampling device of medical liquid oxygen | |
| CN205426868U (en) | Gas cross valve system that takes a sample on line | |
| CN201654045U (en) | Hyperpure ammonia purity automatic detection system | |
| CN210894262U (en) | Online gas quality monitoring and analyzing system | |
| CN204903225U (en) | Liquid sampling device under vacuum state | |
| CN105527358A (en) | Sample introduction device, thermal weight loss-gas chromatography system and thermal weight loss-gas chromatography-mass spectrometry system | |
| CN103529171B (en) | A kind of method of argon, helium, nitrogen mixed gas for welding being carried out to quality of production control | |
| CN202092929U (en) | Quantitative-sampling gas permeation analyzing device | |
| CN204461833U (en) | For automatic sampling device and the automatic gas chromatography detection system of gas chromatograph | |
| CN202171545U (en) | Online sampling system | |
| CN211741158U (en) | Hydride sampling system based on ICP-MS test | |
| CN209624501U (en) | A kind of mixing four way valve gas on-line period system | |
| CN111076988B (en) | Automatic collection, replacement and sample introduction device for soil microorganism breathing gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |