CN204789492U - Gas chromatography is with automatic gas generator that dehumidifies - Google Patents
Gas chromatography is with automatic gas generator that dehumidifies Download PDFInfo
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- CN204789492U CN204789492U CN201520525349.7U CN201520525349U CN204789492U CN 204789492 U CN204789492 U CN 204789492U CN 201520525349 U CN201520525349 U CN 201520525349U CN 204789492 U CN204789492 U CN 204789492U
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Abstract
The utility model relates to a gas chromatography is with automatic gas generator that dehumidifies belongs to the gas chromatography corollary equipment field. Including primary filter device, compressor, gas bomb, high accuracy steady voltage system, clean system and control display system, above -mentioned part loops through the gas circuit tube coupling, and the gas generator delivery line delivery outlet is equipped with the evacuation tee bend. Clean system includes that water trap, secondary filter device and secondary adsorb purifier, and water trap sets up inside the gas bomb, and the secondary filter device sets up and is linked together with the chromatograph before the air supply opening, and the secondary adsorbs purifier including filter A who is equipped with the active carbon post and the filter B who is equipped with the discolour silica gel post, the inside heating device that is equipped with of filter B discolour silica gel post. The utility model discloses a gas chromatography is with automatic gas generator that dehumidifies can not only get rid of the moisture in the silica gel automatically, practices thrift operating time moreover, improves instrument life, can not influence the quality that purifies the back air.
Description
Technical field
The utility model relates to gas chromatography support equipment field, particularly relates to a kind of gas chromatography automatic dehumidifying gas generator.
Background technology
Gas chromatographic technique is one of important research field of modern instrumental analysis, due to its efficiently, stalling characteristic fast, become detection, the indispensable instrument and equipment of analysis field.Gas chromatography system composition comprises source of the gas, air-path control system, sampling system, chromatographic fractionation system, detecting device, recorder, temperature controller, detector circuit etc.Source of the gas is the source of gas chromatograph carrier gas and assisted gas, and along with the development of source of the gas technology, various gas generator progressively replaces steel cylinder source of the gas, has become the main source of the gas of gas chromatographic analysis gas.
The gas chromatography gas generator structure of prior art is generally by pneumatic pump
,compressor, voltage-stabilizing system, control pressurer system, cleaning system and display system form.Cleaning system general discolour silica gel post second adsorption purifies and removes the moisture in air, after discolour silica gel post reaches and sets service time, discolour silica gel becomes red because absorbing moisture by blueness, and silica gel becomes the red rear effect just no longer had except moisture.Now close with gas generator, take out silica gel, dry at 110 DEG C after within 4 hours, again becoming blueness by redness and put in back.Do not only time-consuming like this, in unloading process, easily damage instrument, and silica gel may be contaminated by foreign substances when drying and cause gas chromatography air to contain impurity and affect gas chromatographic detection result.
Summary of the invention
Can not recover the deficiency used by moisture in fast automatic removal filtrator silicagel column silica gel to overcome existing gas chromatography gas generator, the utility model provides a kind of gas chromatography automatic dehumidifying gas generator.This gas chromatography automatic dehumidifying gas generator not only saves time, improve instrument serviceable life, and automatically can also remove the moisture in silica gel, can not affect the quality of air after purification.
For achieving the above object, the utility model solves the technical scheme that its technical matters adopts: a kind of gas chromatography automatic dehumidifying gas generator comprises: primary filter, compressor, gas bomb, high-precision voltage stabilizing system, cleaning system and control display system, above-mentioned parts are connected by gas circuit pipeline successively, and gas generator output pipe delivery outlet is equipped with emptying threeway.Cleaning system comprises de-watering apparatus, precise filtering device and second adsorption purification plant, de-watering apparatus is arranged at gas bomb inside, precise filtering device is connected with chromatograph before being arranged at air supply opening, second adsorption purification plant comprises the filtrator A that activated-charcoal column is housed and the filter B that discolour silica gel post is housed, and heating arrangement is equipped with in filter B discolour silica gel post inside.
Preferably, above-mentioned compressor is closed low-noise air compressor.
Preferably, above-mentioned heating arrangement is electrical bar, and electrical bar inserts in the middle part of filter B.
Preferably, the outer surface cover of above-mentioned electrical bar has energy control temperature and isolates the heat radiation separation hood of layer of silica gel.
Preferably, for increasing radiating effect, electrical bar does curl.
During gas chromatography automatic dehumidifying gas generator air feed work of the present utility model, compressor absorbs the air in working environment, and air enters in compressor and forms pressure-air after primary filter.Then enter gas bomb by gas circuit pipeline, carry out aqueous vapor separation in gas bomb inside through de-watering apparatus, most of moisture in pressurized air is discharged from from the freeing port that operation valve is housed.The air be separated through aqueous vapor has the filtrator A of activated-charcoal column to carry out second adsorption purification with the filter B that discolour silica gel post is housed by high-precision voltage stabilizing system successively process, and the high-purity pressurized air after adsorption cleaning can for gas chromatography.
For improving drainage efficiency, electrical bar heating-up temperature should higher than the boiling point of water; In order to not reduce safety coefficient, temperature should be too not high, so, select heating-up temperature to be 110 DEG C.Increase a switch, control to power to electrical bar, electric rod circuit and pneumatic pump parallel connection.
When normally using, the heating arrangement of filter B discolour silica gel post inside does not heat, and delivery air leads to gas chromatograph; When dewatering point work, open electrical bar switch, electrical bar heats, and reach emptying by the emptying threeway of gas generator output pipe delivery outlet, delivery air is discharged in air or is directly discharged to indoor.Heating, after 3-4 hour, is closed electrical bar switch, is cooled after one hour, gas chromatography side is reached in the emptying threeway of gas generator output pipe delivery outlet.
Advantageous Effects of the present utility model:
1, gas chromatography automatic dehumidifying gas generator of the present utility model is by installing the method for heating arrangement additional in the discolour silica gel post inside of filtrator, can silica gel be made to become blue restoration use, saved the running time, improve instrument serviceable life by the moisture removed fast in silicagel column.
2, gas chromatography automatic dehumidifying gas generator structure of the present utility model is simple, easy to operate, does not affect gas source feed quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model gas chromatography automatic dehumidifying gas generator;
Fig. 2 is the cross-sectional schematic of the utility model gas chromatography automatic dehumidifying gas generator filter B.
In figure: 1: draft tube; 2: primary filter; 3: compressor; 4: gas bomb; 5: de-watering apparatus; 6: freeing port; 7: high-precision voltage stabilizing system; 8: filtrator A; 9: filter B; 10: heating arrangement; 11: tensimeter; 12: emptying threeway; 13: precise filtering device; 14: filter B housing; 15: discolour silica gel post; 16: electrical bar; 17: heat radiation separation hood; 18: freeing port; 19: air intake opening; 20: gas outlet; 21: power lead.
Embodiment
Be described further the utility model below in conjunction with accompanying drawing, embodiment does not limit the utility model.
As shown in Figures 1 and 2, a kind of gas chromatography automatic dehumidifying gas generator of the present embodiment comprises: primary filter 2, compressor 3, gas bomb 4, high-precision voltage stabilizing system 7, cleaning system and control display system, above-mentioned parts are connected by gas circuit pipeline successively, and gas generator output pipe delivery outlet is equipped with emptying threeway 12.
As shown in Figures 1 and 2, the cleaning system of the present embodiment comprises de-watering apparatus 5, precise filtering device 13 and second adsorption purification plant, it is inner that de-watering apparatus 5 is arranged at gas bomb 4, precise filtering device 13 is connected with chromatograph before being arranged at air supply opening, second adsorption purification plant comprises the filtrator A8 that activated-charcoal column is housed and the filter B 9 that discolour silica gel post 15 is housed, and heating arrangement 10 is equipped with in filter B 9 discolour silica gel post inside.Heating arrangement 10 is electrical bar, and for increasing radiating effect, electrical bar does curl, and electrical bar inserts in the middle part of filter B 9, and the outer surface cover of electrical bar has energy control temperature and isolates the heat radiation separation hood 17 of layer of silica gel.
During gas chromatography automatic dehumidifying gas generator air feed work of the present utility model, compressor 3 absorbs the air in working environment, and air enters in compressor 3 and forms pressure-air after primary filter 2 filters.Then enter gas bomb 4 by gas circuit pipeline, carry out aqueous vapor separation in gas bomb 4 inside through de-watering apparatus 5, most of moisture in pressurized air is discharged from from the freeing port 6 that operation valve is housed.The air be separated through aqueous vapor has the filtrator A8 of activated-charcoal column to carry out second adsorption purification with the filter B 9 that discolour silica gel post 15 is housed by high-precision voltage stabilizing system successively process, and the high-purity pressurized air after adsorption cleaning can for gas chromatography.
When normally using, the heating arrangement of filter B 9 discolour silica gel post inside does not heat, and delivery air leads to gas chromatograph; When dewatering point work, open electrical bar switch, electrical bar 16 heats, and reach emptying by the emptying threeway of gas generator output pipe delivery outlet 12, delivery air is discharged in air or is directly discharged to indoor.Heating, after 3-4 hour, is closed electrical bar switch, is cooled after one hour, gas chromatography side is reached in emptying for gas generator output pipe delivery outlet threeway 12.
It is to be noted; above-mentioned preferred embodiment is only and technical conceive of the present utility model and feature is described; its object is to person skilled in the art can be understood content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (6)
1. a gas chromatography automatic dehumidifying gas generator, comprise primary filter, compressor, gas bomb, high-precision voltage stabilizing system, cleaning system and control display system, above-mentioned parts are connected by gas circuit pipeline successively, gas generator output pipe delivery outlet is equipped with emptying threeway, described cleaning system comprises de-watering apparatus, precise filtering device and second adsorption purification plant, de-watering apparatus is arranged at gas bomb inside, precise filtering device is connected with chromatograph before being arranged at air supply opening, second adsorption purification plant comprises the filtrator A that activated-charcoal column is housed and the filter B that discolour silica gel post is housed, it is characterized in that: heating arrangement is equipped with in filter B discolour silica gel post inside.
2. a kind of gas chromatography automatic dehumidifying gas generator according to claim 1, is characterized in that: described heating arrangement is electrical bar.
3. a kind of gas chromatography automatic dehumidifying gas generator according to claim 2, is characterized in that: the outer surface cover of described electrical bar has heat radiation separation hood.
4. a kind of gas chromatography automatic dehumidifying gas generator according to claim 3, is characterized in that: electrical bar is positioned in the middle part of filter B.
5. a kind of gas chromatography automatic dehumidifying gas generator according to claim 2, is characterized in that: described electrical bar is spiral fashion.
6. a kind of gas chromatography automatic dehumidifying gas generator according to claim 1 or 4 or 5, is characterized in that: described compressor is closed low-noise air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520525349.7U CN204789492U (en) | 2015-07-20 | 2015-07-20 | Gas chromatography is with automatic gas generator that dehumidifies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520525349.7U CN204789492U (en) | 2015-07-20 | 2015-07-20 | Gas chromatography is with automatic gas generator that dehumidifies |
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| Publication Number | Publication Date |
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| CN204789492U true CN204789492U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520525349.7U Expired - Fee Related CN204789492U (en) | 2015-07-20 | 2015-07-20 | Gas chromatography is with automatic gas generator that dehumidifies |
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| CN (1) | CN204789492U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413393A (en) * | 2015-12-31 | 2016-03-23 | 南京大学环境规划设计研究院有限公司 | Adsorption and desorption bench scale experiment device and use method thereof |
| CN105485408A (en) * | 2015-12-30 | 2016-04-13 | 上海华爱色谱分析技术有限公司 | Device for providing air source for switching of pneumatic valve on gas chromatograph |
| CN105842368A (en) * | 2016-05-16 | 2016-08-10 | 江苏华伦化工有限公司 | Air purifying device for gas chromatograph |
| CN106362540A (en) * | 2016-10-27 | 2017-02-01 | 中法渤海地质服务有限公司 | Gas purification device and purification method for degasser |
| CN107402188A (en) * | 2017-06-07 | 2017-11-28 | 杭州电子科技大学 | The continuous on-line monitoring system of underground fluid carbon dioxide and monitoring method |
| CN108079779A (en) * | 2017-12-12 | 2018-05-29 | 宇星科技发展(深圳)有限公司 | A kind of pure instrument of zero air lift |
| CN110646530A (en) * | 2019-09-17 | 2020-01-03 | 河南中分仪器股份有限公司 | Air source structure for providing carrier gas for chromatographic on-line monitoring, monitoring equipment and carrier gas method |
| CN112619302A (en) * | 2020-12-07 | 2021-04-09 | 安徽普源分离机械制造有限公司 | Filtering device for gas detection and oxygen content detection system of centrifugal machine |
-
2015
- 2015-07-20 CN CN201520525349.7U patent/CN204789492U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485408A (en) * | 2015-12-30 | 2016-04-13 | 上海华爱色谱分析技术有限公司 | Device for providing air source for switching of pneumatic valve on gas chromatograph |
| CN105413393A (en) * | 2015-12-31 | 2016-03-23 | 南京大学环境规划设计研究院有限公司 | Adsorption and desorption bench scale experiment device and use method thereof |
| CN105842368A (en) * | 2016-05-16 | 2016-08-10 | 江苏华伦化工有限公司 | Air purifying device for gas chromatograph |
| CN106362540A (en) * | 2016-10-27 | 2017-02-01 | 中法渤海地质服务有限公司 | Gas purification device and purification method for degasser |
| CN106362540B (en) * | 2016-10-27 | 2019-02-05 | 中法渤海地质服务有限公司 | A kind of gas cleaning plant and purification method for degasser |
| CN107402188A (en) * | 2017-06-07 | 2017-11-28 | 杭州电子科技大学 | The continuous on-line monitoring system of underground fluid carbon dioxide and monitoring method |
| CN107402188B (en) * | 2017-06-07 | 2020-05-12 | 杭州超钜科技有限公司 | Continuous on-line monitoring system and monitoring method for underground fluid carbon dioxide |
| CN108079779A (en) * | 2017-12-12 | 2018-05-29 | 宇星科技发展(深圳)有限公司 | A kind of pure instrument of zero air lift |
| CN110646530A (en) * | 2019-09-17 | 2020-01-03 | 河南中分仪器股份有限公司 | Air source structure for providing carrier gas for chromatographic on-line monitoring, monitoring equipment and carrier gas method |
| CN112619302A (en) * | 2020-12-07 | 2021-04-09 | 安徽普源分离机械制造有限公司 | Filtering device for gas detection and oxygen content detection system of centrifugal machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151118 Termination date: 20160720 |