CN208366932U - A kind of on-line chromatograph analyzer carrier gas switching device - Google Patents
A kind of on-line chromatograph analyzer carrier gas switching device Download PDFInfo
- Publication number
- CN208366932U CN208366932U CN201821155728.1U CN201821155728U CN208366932U CN 208366932 U CN208366932 U CN 208366932U CN 201821155728 U CN201821155728 U CN 201821155728U CN 208366932 U CN208366932 U CN 208366932U
- Authority
- CN
- China
- Prior art keywords
- gas
- supply
- valve
- chromatograph
- way control
- 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.)
- Expired - Fee Related
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of on-line chromatograph analyzer carrier gas switching device belongs to chromatograph corollary equipment technical field, for carrying out carrier gas gas supply to chromatograph.Its technical solution is: it includes two supply gas cylinders, a three-way control valve, two pressure regulator valves, two pressure gauges, two drain valves, two supply gas cylinders pass through gas pipeline respectively and are connected with two imports of three-way control valve, the outlet of three-way control valve is connected by gas pipeline with the air inlet port of chromatograph, pressure regulator valve and pressure gauge are separately installed in the gas pipeline that two are supplied gas cylinder and three-way control valve, the gas pipeline that the exhaust pipe of two drain valves supplies gas cylinder with two respectively is connected.The utility model structure is simple, easy to use; adjusting can be monitored to the gas supply of supply gas cylinder; switching is not shut down in the carrier gas that two supply gas cylinders can supply chromatographic column, so that chromatograph be made to can be realized continuous operation, guarantees the timeliness and accuracy of analysis data.
Description
Technical field
The utility model relates to the devices that the carrier gas of a kind of pair of on-line chromatograph analyzer switches over, and belong to chromatograph
Corollary equipment technical field.
Background technique
Chromatograph is chemical industry and a kind of essential online analytical instrument of Air separation industry, it is to production process, production
Product carry out on-line analysis, are the eyes of equipment operation, are being effectively ensured for safety in production and product quality.Chromatograph work
Principle is to bring analyzed sample gas into chromatographic column by carrier gas, in the chromatography column not according to the distribution coefficient of different component in sample gas
Together, and by each component of detected sample gas it separates, and is brought into detector and measures and be converted into normal concentration unit,
So the preprocessing parts such as carrier gas and chromatographic column are particularly important in chromatograph.Chromatographic column is the work in insulating box
When making, temperature is up to 120 degrees Celsius, and under analyzer working condition, carrier gas will cannot die, otherwise all the time by chromatographic column
The accident that chromatographic column is burnt out can occur, chromatographic column is caused to be scrapped.But in practical applications, after carrier gas bottle is finished, must more it renew
Bottle, at this moment can only stop the operating of chromatograph, carrier gas is replaced after calorstat temperature drops to room temperature, is then reopened again
Chromatograph can just re-start chemical examination when temperature reaches setting, this process needs 1-2 hours, this is to online point
The continuity and accuracy of analysis can all have a huge impact, or even will affect the operation of space division.
Therefore, it in order to guarantee that on-line chromatograph analyzer works accurately and in time, for the needs of solving practical problems, answers
A kind of device of the design achievees the purpose that no-harass switch to carrier gas replacement, thoroughly to solve the problems, such as above-mentioned encounter.
Utility model content
It is this technical problem to be solved by the utility model is to provide a kind of on-line chromatograph analyzer carrier gas switching device
Switching is not shut down in the carrier gas that switching device can supply chromatographic column, so that on-line chromatograph analyzer be made to can be realized continuously
Operation guarantees the timeliness and accuracy of analysis data.
The technical solution for solving above-mentioned technical problem is:
A kind of on-line chromatograph analyzer carrier gas switching device, it includes two supply gas cylinders, a three-way control valves, two
Pressure regulator valve, two pressure gauges, two supply gas cylinders pass through gas pipeline respectively and are connected with two imports of three-way control valve, and three
The outlet of logical control valve is connected by gas pipeline with the air inlet port of chromatograph, in two supply gas cylinders and threeway control
Pressure regulator valve and pressure gauge are separately installed in the gas pipeline of valve processed.
Above-mentioned on-line chromatograph analyzer carrier gas switching device is also separately installed in the gas pipeline that two are supplied gas cylinder
Drain valve, the exhaust pipe of two drain valves are connected with two supply gas cylinders with the gas pipeline between two pressure regulator valves respectively
It connects.
Above-mentioned on-line chromatograph analyzer carrier gas switching device, there are also backboard, gas pipeline, exhaust pipe, threeway controls for it
Valve, pressure regulator valve, pressure gauge, drain valve are all mounted on backboard.
The beneficial effects of the utility model are:
The utility model is supplied using two supply gas cylinders to chromatograph, the gas pipeline pipeline of two supply gas cylinders
It is middle that pressure regulator valve, pressure gauge, drain valve are installed respectively, the pressure of supply gas cylinder is exercised supervision and adjusted, two supply gas cylinders are logical
It crosses three-way control valve to switch over, guarantees the continuous gas supply to chromatograph.
The utility model structure is simple, easy to use, and adjusting, two supplies can be monitored to the gas supply of supply gas cylinder
Switching is not shut down in the carrier gas that gas cylinder can supply chromatographic column, so that on-line chromatograph analyzer be made to can be realized continuous fortune
Row guarantees the timeliness and accuracy of analysis data.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Mark in figure as follows: the first supply gas cylinder 1, second supplies gas cylinder 2, three-way control valve 3, the first pressure regulator valve 4, second
Pressure regulator valve 5, first pressure gauge 6, second pressure gauge 7, the first drain valve 8, the second drain valve 9, backboard 10.
Specific embodiment
The utility model supplies gas cylinder 2, three-way control valve 3, the first pressure regulator valve 4, second by the first supply gas cylinder 1, second
Pressure regulator valve 5, first pressure gauge 6, second pressure gauge 7, the first drain valve 8, the second drain valve 9, backboard 10 form.
It is shown in figure, the first supply gas cylinder 1, second supplies gas cylinder 2 and passes through the two of gas pipeline and three-way control valve 3 respectively
A import is connected, and the outlet of three-way control valve 3 is connected by gas pipeline with the air inlet port of chromatograph.
It shows in figure, pacifies respectively in the gas pipeline that the first supply gas cylinder 1, second supplies gas cylinder 2 and three-way control valve 3
Equipped with the first pressure regulator valve 4, the second pressure regulator valve 5, first pressure gauge 6, second pressure gauge 7, for the gas pressure in gas pipeline
Power is monitored and adjusts.
It is shown in figure, is also separately installed with first row in the gas pipeline that the first supply gas cylinder 1, second supplies gas cylinder 2
Put valve 8,9 drain valve of the second drain valve, the first drain valve 8, the second drain valve 9 exhaust pipe respectively with the first supply gas cylinder 1,
Second supply gas cylinder 2 is connected with the gas pipeline between the first pressure regulator valve 4, the second pressure regulator valve 5.
It is shown in figure, there are also backboard 10, gas pipeline, exhaust pipe, three-way control valve 3, the first pressure regulator valves 4, second for it
Pressure regulator valve 5, first pressure gauge 6, second pressure gauge 7, the first drain valve 8, the second drain valve 9 are all mounted on backboard 10.
The course of work of the utility model is as follows:
In normal work, chromatograph is supplied by a gas cylinder, as shown, for example being supplied by the first supply gas cylinder 1
When gas, gas, by 4 pressure regulation of the first pressure regulator valve to rated pressure, is passing through three-way control valve 3 to chromatography by the first supply gas cylinder 1
Analyzer, the gas pipeline of the second supply gas cylinder 2 ends at three-way control valve 3 at this time.
When the gas in the first supply gas cylinder 1 will be used up, (1-2MPa of regulation replaces gas cylinder) supplies gas for second
Bottle 2 is opened, by rapid switch 4 to 5 times repeatedly of the second drain valve 9, to achieve the purpose that scavenging pipeline, then by the second discharge
Valve 9 turns off, and adjusts the second pressure regulator valve 5 later, control second pressure gauge 7 is adjusted to rated pressure, later that three-way control valve 3 is quick
Switch to the second supply gas cylinder 2 for gas side (three-way control valve 3 has arrow logo), then using the second pressure regulator valve 5 finely tune
Pressure, reaches setting pressure, and switching finishes.
After switching to the first supply gas cylinder 1, the first supply gas cylinder 1 is removed, new supply gas cylinder is changed, in case under
Secondary switching uses, and when the second supply 2 use of gas cylinder is used up, then by the first supply switching gas supply of gas cylinder 1, so switches in turn,
Achieve the effect that chromatograph carrier gas is without interruption.
One embodiment of the utility model is as follows:
First supply gas cylinder 1, second supplies the model of gas cylinder 2: 40L carbon steel cylinder diameter: 232mm height: 1430mm
The model of three-way control valve 3: swagelok SS-4-VCR-T
The model of first pressure regulator valve 4, the second pressure regulator valve 5 are as follows: swagelok KPR1DRC412A20000
The model of first pressure gauge 6, second pressure gauge 7 are as follows: YB-50 0-1MPa
The model of first drain valve 8, the second drain valve 9 are as follows: swagelok M-43S4
The length of backboard 10: 500mm, width: 100mm, backboard 10 are made by the steel plate of 2mm thickness.
Claims (3)
1. a kind of on-line chromatograph analyzer carrier gas switching device, it is characterised in that: it includes two supply gas cylinders, a threeway controls
Valve (3) processed, two pressure regulator valves, two pressure gauges, two supply gas cylinders pass through the two of gas pipeline and three-way control valve (3) respectively
A import is connected, and the outlet of three-way control valve (3) is connected by gas pipeline with the air inlet port of chromatograph, two
Pressure regulator valve and pressure gauge are separately installed in a supply gas cylinder and the gas pipeline of three-way control valve (3).
2. on-line chromatograph analyzer carrier gas switching device according to claim 1, it is characterised in that: in two supply gas cylinders
Gas pipeline in be also separately installed with drain valve, the exhaust pipe of two drain valves is adjusted with two supply gas cylinders and two respectively
Gas pipeline between pressure valve is connected.
3. on-line chromatograph analyzer carrier gas switching device according to claim 1, it is characterised in that: there are also backboards for it
(10), gas pipeline, exhaust pipe, three-way control valve (3), pressure regulator valve, pressure gauge, drain valve are all mounted on backboard (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155728.1U CN208366932U (en) | 2018-07-20 | 2018-07-20 | A kind of on-line chromatograph analyzer carrier gas switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155728.1U CN208366932U (en) | 2018-07-20 | 2018-07-20 | A kind of on-line chromatograph analyzer carrier gas switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366932U true CN208366932U (en) | 2019-01-11 |
Family
ID=64925644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821155728.1U Expired - Fee Related CN208366932U (en) | 2018-07-20 | 2018-07-20 | A kind of on-line chromatograph analyzer carrier gas switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208366932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005938A (en) * | 2019-04-23 | 2019-07-12 | 杭州杭氧低温液化设备有限公司 | A continuous bottle flushing device for automatic krypton xenon gas |
| CN110220110A (en) * | 2019-04-03 | 2019-09-10 | 阳江核电有限公司 | Carrier gas feeder for nuclear island hot laboratory gas chromatograph |
-
2018
- 2018-07-20 CN CN201821155728.1U patent/CN208366932U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220110A (en) * | 2019-04-03 | 2019-09-10 | 阳江核电有限公司 | Carrier gas feeder for nuclear island hot laboratory gas chromatograph |
| CN110005938A (en) * | 2019-04-23 | 2019-07-12 | 杭州杭氧低温液化设备有限公司 | A continuous bottle flushing device for automatic krypton xenon gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208366932U (en) | A kind of on-line chromatograph analyzer carrier gas switching device | |
| CN203732518U (en) | Online high-pressure liquid phase reaction product gas chromatography device | |
| CN106370746A (en) | Gas-dissolved-in-vegetable-insulating-oil analyzer with oil-gas separation function and detecting method | |
| CN204389458U (en) | A kind of gas chromatographicanalyzer for analyzing sulfur hexafluoride decomposition product | |
| CN102141557A (en) | Method for rapidly analyzing components of compressed natural gas | |
| CN111948327B (en) | Analysis method for trace oxygen, argon, nitrogen, carbon monoxide, methane and carbon dioxide in industrial hydrogen | |
| CN203616295U (en) | Pressure control type high-temperature and high-pressure online gas chromatography device | |
| CN101126750A (en) | Xenon impurity chromatogram analysis method | |
| CN202870048U (en) | Multi-channel on-line chromatographic analysis device for insulating oil | |
| CN103308515A (en) | Online analysis system and method for detection of CO gas at ammonia synthesis inlet | |
| CN211955348U (en) | Helium ionization gas chromatograph for analyzing dissolved gas in transformer oil | |
| CN102053129A (en) | Analytical method for electronic grade CF4 | |
| CN204129244U (en) | A kind of multi-channel gas dynamic calibration instrument | |
| CN207408302U (en) | A kind of SF6Gas integrated optical detection apparatus | |
| CN201707245U (en) | Multifunctional gas analyzing and sampling device | |
| CN205665060U (en) | Four -channel VOC gas production device | |
| CN203672845U (en) | Trace sulfide chromatographic analyzer | |
| CN221224662U (en) | Multipurpose cyclohexanol production raw materials check out test set | |
| CN207614406U (en) | A kind of high throughput positive-pressure solid-phase extracting device | |
| CN206945361U (en) | Reaction generation minimum gas on-line detecting system | |
| CN111208394A (en) | Device and method for monitoring decomposition products of insulating gas on line by four channels | |
| CN210269742U (en) | Be used for transformer trouble gas chromatogram detection device | |
| CN203772814U (en) | Device taking pipeline gas as carrier gas for chemical analyzer | |
| CN204008576U (en) | A kind of chromatographic column analytical equipment in parallel | |
| CN108007925B (en) | SF6Method for operating gas decomposition product colorimetric method detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 Termination date: 20210720 |