CN202903554U - High-pressure gas sampling device - Google Patents
High-pressure gas sampling device Download PDFInfo
- Publication number
- CN202903554U CN202903554U CN 201220560450 CN201220560450U CN202903554U CN 202903554 U CN202903554 U CN 202903554U CN 201220560450 CN201220560450 CN 201220560450 CN 201220560450 U CN201220560450 U CN 201220560450U CN 202903554 U CN202903554 U CN 202903554U
- Authority
- CN
- China
- Prior art keywords
- gas
- valve
- high pressure
- sampling device
- filter
- 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
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a high-pressure gas sampling device, which comprises a gas collecting bottle (5), and a gas inlet (1) and a gas outlet (9) connected with the gas collecting bottle (5), wherein a first valve (21) is arranged between the gas collecting bottle (5) and the gas inlet (1); a solid filter (3) capable of filtering a solid is arranged between the gas collecting bottle (5) and the first valve (21); a second valve (22) is arranged between the gas collecting bottle (5) and the gas outlet (9); and a liquid filter (8) capable of filtering a liquid is arranged between second valve (22) and the gas outlet (9). As the high-pressure gas sampling device is used, solid and liquid impurities are removed from the gas, so that the detection accuracy is guaranteed; and the high-pressure gas is converted to the low-pressure gas to be output, so that detection equipment is protected.
Description
Technical field
The utility model relates to the experimental facilities technical field, particularly a kind of high pressure gas sampling device for gathering gases at high pressure.
Background technology
The hydro-thermal reaction technology is to adopt aqueous solution as reaction medium in special closed reaction vessel such as autoclave, by reaction vessel is heated, create the reaction environment of a high temperature, high pressure so that under general condition indissoluble or insoluble substance dissolves and. can carry out the general designation of the various technology of chemical reaction.
The hydro-thermal reaction technology comprises uses supercritical water and subcritical water.Generally, water is with steam, liquid state and ice three kinds of common states and exist, and belongs to polar solvent, can dissolve the most of electrolyte that comprise salt, to organism slightly soluble or insoluble then.The density of aqueous water raises with pressure hardly and changes, if but the temperature and pressure of water is elevated to critical point, such as T＞374.3 ℃, more than P 〉=22.1MPa, then can be in a kind of new state-above-critical state that is different from liquid and gaseous state, the water of this state namely is called supercritical water.Under super critical condition, great variation has occured in the character of water, and its density, specific inductive capacity, viscosity, coefficient of diffusion, conductivity and solubility property all are different from light water.Utilize the solute supercritical fluid technique that the specific physique of solubleness grows up in supercritical fluid, be considered to a kind of clean and efficient Green Chemistry process, with new separate, the exploitation of course of reaction is closely related, and huge potential using value is arranged.
Development along with science and technology is applied to environmental science with hydrothermal technique, material science, petrochemical complex, medicine, food, bioengineering side and demand more and more.In most cases, the hydrothermal experiment common concern be liquid or solid-state product, gaseous products is generally directly emitted.But when needs learning gas product, how in the hydrothermal reaction kettle of High Temperature High Pressure, from mix mutually, gas is separated, and the gas that collects is carried out GC/MS analyze, namely use the gas chromatograph-mass spectrometer analysis, just become a difficult problem.
The utility model content
Be mixed with the easy affected technical matters of his determination of foreign matter result of tool in order to solve in the prior art gases at high pressure that collect in the hydrothermal reaction kettle; the utility model provides a kind of high pressure gas sampling device; this high pressure gas sampling device not only can be removed solid and the liquid impurity in the gas; guarantee accuracy of detection; gases at high pressure can also be changed into low-pressure gas output, the protection checkout equipment.
The utility model for the technical scheme that solves the employing of tool technical matters is: a kind of high pressure gas sampling device, comprise gas collection bottle, the gas feed and the gas vent that are connected with the gas collection bottle, be provided with the adjusting valve door between gas collection bottle and the gas feed, be provided with the second valve between gas collection bottle and the gas vent, between gas collection bottle and the first valve, be provided with the solid filter that can cross filter solid, between the second valve and gas vent, be provided with can filter liquide liquid filter.
Gas feed is communicated with the outlet of hydrothermal reaction kettle, and gas vent is connected with analytical equipment.Open the first valve, close the second valve, gases at high pressure enter the gas collection bottle through after the filtration of solid filter.After gas enters the gas collection bottle, close the first valve, open the second valve, gases at high pressure are discharged from gas vent through the filtration of liquid filter.The sample gas that filters out solid and liquid enters analytical equipment from gas vent, can avoid the interference of his impurity of tool, guarantees experimental precision.
Be provided with pressure-regulating valve between the second valve and the liquid filter.
Between solid filter and gas collection bottle, be provided with the first tensimeter.
Between pressure-regulating valve and liquid filter, be provided with the second tensimeter.
Also comprise housing, gas collection bottle, the first valve, the second valve, solid filter and liquid filter are arranged in the housing.
Housing also is connected with handle outward.
The beneficial effects of the utility model are: this high pressure gas sampling device not only can be removed solid and the liquid impurity in the gas, guarantees accuracy of detection, gases at high pressure can also be changed into low-pressure gas output, the protection checkout equipment.In addition, this device also has small volume and less weight, uses safe, easy and simple to handle, the characteristics such as control is accurate, workload is little, favorable reproducibility.
Description of drawings
By reference to the accompanying drawings high pressure gas sampling device described in the utility model is described in further detail down.
Fig. 1 is the structural representation of high pressure gas sampling device described in the utility model.
1. gas feeds in the tool, 21. first valves, 22. second valves, 3. solid filter, 4. the first tensimeter, 5. gas collection bottle, 6. pressure-regulating valve, 7. the second tensimeter, 8. liquid filter, 9. gas vent, 10. housing, 11. handles.
Embodiment
Down and by reference to the accompanying drawings high pressure gas sampling device described in the utility model is described in detail.A kind of high pressure gas sampling device, comprise gas collection bottle 5, the gas feed 1 that is connected with gas collection bottle 5 and gas vent 9, be provided with the first valve 21 between gas collection bottle 5 and the gas feed 1, be provided with the second valve 22 between gas collection bottle 5 and the gas vent 9, between gas collection bottle 5 and the first valve 21, be provided with the solid filter 3 that to cross filter solid, between the second valve 22 and gas vent 9, be provided with can filter liquide liquid filter 8, such as Fig. 1.
Contain solid and liquid impurity in the general sample gas, solid filter 3 is arranged between gas collection bottle 5 and the first valve 21, be the solid particulate matter high-speed motion that in gases at high pressure, mixes to the impact failure of gas collection bottle 5 inwalls, prolong the serviceable life of gas collection bottle 5.In addition, gas collection bottle 5 is steel cylinder, and capacity is 500ml, can tolerate the above pressure of 20Mpa.
Be provided with pressure-regulating valve 6 between the second valve 22 and the liquid filter 8.The YQD-6# gas pressure-reducing regulating valve that pressure-regulating valve 6 is produced for Shanghai Pressure Reducer Factory Co., Ltd..Pressure-regulating valve 6 can be reduced to suitable pressure with the gases at high pressure of the pressure-regulating valve 6 of flowing through and export.Owing to be provided with the pressure-regulating valve 6 that gases at high pressure can be changed into low-pressure gas, so this high pressure gas sampling device can avoid the gases at high pressure that collect to the destruction of gas analysis arrangement, thereby prolonged the serviceable life of analytical equipment, guaranteed the accurate of experimental result.In addition, pressure-regulating valve 6 is arranged between the second valve 22 and the liquid filter 8, can also protect liquid filter 8.
In addition, between solid filter 3 and gas collection bottle 5, be provided with the first tensimeter 4.The first tensimeter 4 is blowout-back pressure gauge, maximum range 25Mpa, and the first tensimeter 4 is used for showing the admission pressure of gases at high pressure.Between pressure-regulating valve 6 and liquid filter 8, be provided with the second tensimeter 7.The second tensimeter 7 is low pressure gauge, and maximum range is 1.6Mpa, and the second tensimeter 7 is used for showing the pressure from the low-pressure gas of pressure-regulating valve 6 outflows.
High pressure gas sampling device also comprises housing 10, and gas collection bottle 5, the first valve 21, the second valve 22, solid filter 3 and liquid filter 8 are arranged in the housing 10.Housing 10 is made for metal material, and above-mentioned parts all is arranged in the housing 10, small volume and less weight, is convenient for carrying, and uses safety.Also be connected with handle 11 outside the housing 10, make high pressure gas sampling device be more conducive to carry.
The course of work of high pressure gas sampling device described in the utility model is as follows: gas collection bottle 5 left ends link to each other with the outlet of mini type high temperature high-pressure hydrothermal reaction kettle by gas feed 1, for preventing that reacting issuable solid impurity enters gas collection bottle 5 with gas flow, follow-up gas is detected generation to be disturbed, be provided with solid filter 3 between gas collection bottle 5 and the first valve 21, this filtration unit can bear the above high pressure of 20MPa.For the first time step-down has occured in gases at high pressure when the first valve 21 enters the gas collection bottle 5 from the left side, when needs detect gaseous sample, open right side the second valve 22 and discharge gas, and control needed gaseous tension by the vision-control pressure-regulating valve 6 of the second tensimeter 7, with pressure decreased below 2MPa, then gas is removed through liquid impurity behind the liquid filter 8, and last gas injects GC/MS from gas vent 9 and analyzes.
The above; instrument is specific embodiment of the utility model, can not limit the scope that utility model is implemented with tool, so the displacement of tool equivalent assemblies; or according to equivalent variations and modification that the utility model scope of patent protection is done, all should still belong to the category that this patent is contained.
Claims (6)
1. high pressure gas sampling device, comprise gas collection bottle (5), the gas feed (1) that is connected with gas collection bottle (5) and gas vent (9), be provided with the first valve (21) between gas collection bottle (5) and the gas feed (1), be provided with the second valve (22) between gas collection bottle (5) and the gas vent (9), it is characterized in that: between gas collection bottle (5) and the first valve (21), be provided with the solid filter (3) that can cross filter solid, between the second valve (22) and gas vent (9), be provided with can filter liquide liquid filter (8).
2. high pressure gas sampling device according to claim 1, tool is characterised in that: be provided with pressure-regulating valve (6) between the second valve (22) and the liquid filter (8).
3. high pressure gas sampling device according to claim 1, tool is characterised in that: be provided with the first tensimeter (4) between solid filter (3) and gas collection bottle (5).
4. high pressure gas sampling device according to claim 2, tool is characterised in that: be provided with the second tensimeter (7) between pressure-regulating valve (6) and liquid filter (8).
5. high pressure gas sampling device according to claim 1, tool is characterised in that: also comprise housing (10), gas collection bottle (5), the first valve (21), the second valve (22), solid filter (3) and liquid filter (8) are arranged in the housing (10).
6. high pressure gas sampling device according to claim 5, tool is characterised in that: the outer handle (11) that also is connected with of housing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220560450 CN202903554U (en) | 2012-10-29 | 2012-10-29 | High-pressure gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220560450 CN202903554U (en) | 2012-10-29 | 2012-10-29 | High-pressure gas sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903554U true CN202903554U (en) | 2013-04-24 |
Family
ID=48124212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220560450 Expired - Fee Related CN202903554U (en) | 2012-10-29 | 2012-10-29 | High-pressure gas sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202903554U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103864198A (en) * | 2014-02-28 | 2014-06-18 | 中国海洋石油总公司 | Method and device for compressing and detecting ozone-containing gas |
| CN104697822A (en) * | 2015-01-28 | 2015-06-10 | 中国科学院合肥物质科学研究院 | Expired air sampling bottle for solid phase microextraction |
| CN109030119A (en) * | 2018-07-04 | 2018-12-18 | 无锡南理工科技发展有限公司 | A kind of oil-refining chemical enterprise security environmental protection gas sampling assembly and its application method |
-
2012
- 2012-10-29 CN CN 201220560450 patent/CN202903554U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103864198A (en) * | 2014-02-28 | 2014-06-18 | 中国海洋石油总公司 | Method and device for compressing and detecting ozone-containing gas |
| CN103864198B (en) * | 2014-02-28 | 2015-06-24 | 中国海洋石油总公司 | Method and device for compressing and detecting ozone-containing gas |
| CN104697822A (en) * | 2015-01-28 | 2015-06-10 | 中国科学院合肥物质科学研究院 | Expired air sampling bottle for solid phase microextraction |
| CN104697822B (en) * | 2015-01-28 | 2017-07-14 | 中国科学院合肥物质科学研究院 | A kind of expiration sampling bottle available for SPME |
| CN109030119A (en) * | 2018-07-04 | 2018-12-18 | 无锡南理工科技发展有限公司 | A kind of oil-refining chemical enterprise security environmental protection gas sampling assembly and its application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103822999B (en) | A kind of full-automatic QuEChERS pre-treatment all-in-one and pre-treating method | |
| CN202903554U (en) | High-pressure gas sampling device | |
| CN101650349B (en) | Gas phase chromatograph-mass spectrum detection method for nonylphenol polyoxyethylene ether in leather, synthetic leather, paper and textile | |
| Sillero et al. | Optimization of different extraction methods to obtaining bioactive compounds from larix decidua bark | |
| Turner et al. | Pressurized hot water extraction and processing | |
| CN102172503A (en) | Device for researching transfer-reaction in ionic liquid-supercritical fluid in situ | |
| CN106562177A (en) | Method for reducing content of vomitoxin in straws by steam explosion technology and application of steam explosion technology | |
| CN211935670U (en) | Extraction device of supercritical/subcritical fluid extraction system coupling membrane separation system | |
| CN204727859U (en) | A kind of garbage loading embeading gas processing system | |
| CN103212340A (en) | Supercritical fluid extracting, spraying and granulating system and method | |
| CN104931593A (en) | Method and system for analyzing trace hydrogen sulfide and total chloride in methanation feed gas | |
| CN107344711B (en) | High-purity hydrogen preparation facilities | |
| CN102432008B (en) | Circular carbon dioxide capture device with hydrate method | |
| CN107402148A (en) | A kind of method and device of artificial synthesized oil gas inclusion | |
| CN108680657A (en) | Steam explosion technology reduces the method for zearalenone content and application in stalk | |
| CN203777941U (en) | Low-temperature palladium displacement chromatography hydrogen isotope separating system | |
| CN2781352Y (en) | Portable sample quickly pretreatment device for monitoring environment and food | |
| CN103755583A (en) | Method for extracting and separating ceramide in konjac flying powder | |
| CN111139128A (en) | Automated control of supercritical CO2System and method for preparing capsicum oleoresin by extraction | |
| CN202777912U (en) | Device for supercritical CO2 extraction of capsicum oleoresin | |
| CN103393741A (en) | Method for continuously extracting effective components in cyperus alternifolius leaves by using ultrasonic-assisted supercritical carbon dioxide | |
| CN203333608U (en) | Marsh gas purification system | |
| CN203639220U (en) | High-concentration critical sewage treatment system | |
| CN202974733U (en) | Concentrating cup assembly for pretreatment of food samples | |
| CN203798646U (en) | Heavy metal detection preprocessing device used on site |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20131029 |