CN202330377U - Electromagnetic valve pipeline for gas chromatographic analyzer - Google Patents
Electromagnetic valve pipeline for gas chromatographic analyzer Download PDFInfo
- Publication number
- CN202330377U CN202330377U CN 201120516747 CN201120516747U CN202330377U CN 202330377 U CN202330377 U CN 202330377U CN 201120516747 CN201120516747 CN 201120516747 CN 201120516747 U CN201120516747 U CN 201120516747U CN 202330377 U CN202330377 U CN 202330377U
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- solenoid valve
- electromagnetic valve
- hydrogen
- valve
- blow
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Abstract
The utility model discloses an electromagnetic valve pipeline for a gas chromatographic analyzer, which comprises an electromagnetic valve group, a gas duct, a quantitative tube, a precutting column, a main chromatographic column and a flame ionization detector (FID) hydrogen flame identification device, wherein the electromagnetic valve group comprises six two-phase three-way electromagnetic valves which are respectively a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a fifth electromagnetic valve and a sixth electromagnetic valve. The electromagnetic valve pipeline for the gas chromatographic analyzer uses the plurality of electromagnetic valves which are capable of directly receiving control signals to directly control gas circulation, avoids the previous complex process that control signals pass through a pneumatic element to control motion of valve bodies in pipelines in a mechanical mode, accordingly does not require a high pressure motive power air source, also increases control response speed, greatly prolongs service life of equipment and reduces size of equipment.
Description
Technical field
The utility model belongs to the gas chromatographic analysis field, particularly a kind of gas analysis control section of gas chromatographicanalyzer.
Background technology
At present, hydrogen flame lighter hydrocarbons fast chromatographic analyzer device aspect at home and abroad generally adopts pull bar valve and rotary valve dual mode to the analysis and Control of sample gas, hydrogen and air.Its advantage is, using and accumulating, technical comparative maturity through last 100 years; But there is very big shortcoming in this dual mode: one of which, owing to all be to rely on pneumatic means to come the action of driver's valve, so need the power gas source of high pressure; Its two owing to all be mechanical type control, the response speed of control is slower; Its three, the theoretical life-span of the equipment of this dual mode is lower, has only usually about 1,000,000 times; Its four, the opertaing device volume is big, can not adapt to the needs of continuous fast chromatographic.
Summary of the invention
The purpose of the utility model is to provide a kind of does not need the high voltage power source of the gas, control response speed is fast, equipment life is long, and the less gas chromatographicanalyzer gas analysis control device of volume.
To achieve these goals, the technical scheme of the utility model is following:
A kind of solenoid valve pipeline that is used for gas chromatographicanalyzer; Comprise electromagnetic valve group, gas conduit, quantity tube, cut post, main chromatographic column and hydrogen flame ion assessor (FID hydrogen flame assessor) in advance; Wherein electromagnetic valve group comprises six two phase three-way solenoid valves, is respectively: first solenoid valve, second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the 5th solenoid valve and the 6th solenoid valve.
Be connected with the sample draft tube on the blow vent of first solenoid valve; Be connected with the sample blow-down pipe on the blow vent of the 6th solenoid valve; Be connected with the first hydrogen draft tube on the blow vent of second solenoid valve; Be connected with the hydrogen blow-down pipe on the blow vent of the 4th solenoid valve, be connected with the second hydrogen draft tube on the blow vent of the 5th solenoid valve.
One end of quantity tube with first liang mutually T-valve be connected, the other end is connected with the 6th solenoid valve; An end of cutting post in advance is connected with the 3rd solenoid valve, and the other end is connected with the 4th solenoid valve; One end of main chromatographic column is connected with FID hydrogen flame assessor, and the other end is connected with the 5th solenoid valve.
Under the analysis state, sample gas constitutes a path through sample draft tube, first solenoid valve, quantity tube, the 6th solenoid valve, sample blow-down pipe successively; One road hydrogen successively through the first hydrogen draft tube, second solenoid valve, the 3rd solenoid valve, cut post, the 4th solenoid valve, hydrogen blow-down pipe in advance and constitute a path; Another road hydrogen behind the second hydrogen draft tube, the 5th solenoid valve, flow through successively main chromatographic column and FID hydrogen flame assessor.
Under the blowback state; Sample gas is obstructed; The sample gas that hydrogen carries in the quantity tube behind the first hydrogen draft tube, second solenoid valve, first solenoid valve successively gets into the 6th solenoid valve; Through the 3rd solenoid valve, cut flow through behind post, the 4th solenoid valve, the 5th solenoid valve main chromatographic column and FID hydrogen flame assessor in advance, carry out the mass-tone analysis of spectrum again.
Wherein, said gas conduit plays the connection effect, and each path is communicated with.
First solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the 6th solenoid valve be closure or openness simultaneously; Second solenoid valve, the 5th solenoid valve be closure or openness simultaneously.
Preferably, the material of making solenoid valve is aluminium or aldary.
In technique scheme; Use can directly receive the circulation of the next direct pilot-gas of a plurality of solenoid valves of control signal; Avoided original control signal through the complex process of pneumatic element through valve body action in the mechanical system pilot piping, therefore do not needed the high voltage power source of the gas, control response speed also increases; And can improve the life-span of equipment greatly, reduce the volume of equipment.
Description of drawings
Fig. 1 is the layout that the utility model is used for the solenoid valve pipeline of gas chromatographicanalyzer.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
As shown in Figure 1, be used for the solenoid valve pipeline of gas chromatographicanalyzer, comprise electromagnetic valve group 1, gas conduit 2, quantity tube 3, cut post 4, main chromatographic column 5 and FID hydrogen flame assessor 6 in advance.Wherein, electromagnetic valve group 1 comprises six two phase three-way solenoid valves, is respectively: first solenoid valve 7, second solenoid valve 8, the 3rd solenoid valve 9, the 4th solenoid valve 10, the 5th solenoid valve 11 and the 6th solenoid valve 12 be totally 6 solenoid valves.
Be connected with sample draft tube 13 on the blow vent of first solenoid valve 7; Be connected with sample blow-down pipe 14 on the blow vent of the 6th solenoid valve 12; Be connected with the first hydrogen draft tube 15 on the blow vent of second solenoid valve 8; Be connected with on the blow vent of the 4th solenoid valve 10 on the blow vent of hydrogen blow-down pipe 16, the five solenoid valves 11 and be connected with the second hydrogen draft tube 17.
One end of quantity tube 3 with first liang mutually T-valve 7 be connected, the other end is connected with the 6th solenoid valve 12; An end of cutting post 4 in advance is connected with the 3rd solenoid valve 9, and the other end is connected with the 4th solenoid valve 10; One end of main chromatographic column 5 is connected with FID hydrogen flame assessor 6, and the other end is connected with the 5th solenoid valve 11.
Wherein said gas conduit 2 plays the connection effect, and each path is communicated with.
Each solenoid valve has three blow vent A, P, R, and when opening of valves or closure, two kinds of duties are arranged between each blow vent: the A mouth communicates with the P mouth or the A mouth communicates with the R mouth.Under analysis state, the A mouth of controlling first solenoid valve 7, the 3rd solenoid valve 9, the 4th solenoid valve 10, the 6th solenoid valve 12 communicates with the R mouth, and the A mouth of second solenoid valve 8, the 5th solenoid valve 11 communicates with the P mouth.Like this, sample gas can be successively constitutes a path through sample draft tube 13, first solenoid valve 7, quantity tube 3, the 6th solenoid valve 12, sample blow-down pipe 14; One road hydrogen successively through the first hydrogen draft tube 15, second solenoid valve 8, the 3rd solenoid valve 9, cut post 4, the 4th solenoid valve 10, hydrogen blow-down pipe 16 in advance and constitute a path; Another road hydrogen is successively through the second hydrogen draft tube 17, the 5th solenoid valve 11 flow through main chromatographic column 5 and FID hydrogen flame assessor 6.Under the blowback state, the A mouth of controlling first solenoid valve 7, the 3rd solenoid valve 9, the 4th solenoid valve 10, the 6th solenoid valve 12 communicates with the P mouth, and the A mouth of second solenoid valve 8, the 5th solenoid valve 11 communicates with the R mouth, and sample gas is obstructed.Like this; The sample gas that blowback hydrogen carries in the quantity tube 3 behind the first hydrogen draft tube 15, second solenoid valve 8, first solenoid valve 7 successively gets into the 6th solenoid valve 12; Through the 3rd solenoid valve 9, cut flow through behind post 4, the 4th solenoid valve 10, the 5th solenoid valve 11 said main chromatographic column 5 and said FID hydrogen flame assessor 6 in advance, carry out the mass-tone analysis of spectrum again.
| Performance index | Solenoid valve | Rotary valve | The pull bar valve |
| Control noise (dB) | 30 | 80 | 70 |
| The theoretical life-span (ten thousand times) | 5000 | 100 | 50 |
| Control rate (ms) | 50 | 500 | 500 |
| Equipment volume (mm) | 60*50*50 | 150*100*100 | 180*80*80 |
Table 1
Table 1 has been listed the corresponding index when using rotary valve or pull bar valve in performance index such as the control noise of the utility model solenoid valve pipeline, theoretical life-span, control rate, equipment volume and the original scheme.Can find out; Adopt the technical scheme of the utility model solenoid valve pipeline, the situation when using rotary valve or pull bar valve in original scheme, the control noise reduces greatly; The theoretical life-span increases significantly; Control rate is also accelerated much simultaneously, and volume dwindles accordingly to some extent, on above-mentioned several performance index, all is superior to original scheme.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement, these improve the protection domain that also should be regarded as the utility model.
Claims (1)
1. a solenoid valve pipeline that is used for gas chromatographicanalyzer comprises electromagnetic valve group (1), gas conduit (2), quantity tube (3), cuts post (4), main chromatographic column (5) and FID hydrogen flame assessor (6) in advance, it is characterized in that:
Said electromagnetic valve group (1) comprises six two phase three-way solenoid valves, is respectively: first solenoid valve (7), second solenoid valve (8), the 3rd solenoid valve (9), the 4th solenoid valve (10), the 5th solenoid valve (11), the 6th solenoid valve (12);
Be connected with sample draft tube (13) on the blow vent of said first solenoid valve (7); Be connected with sample blow-down pipe (14) on the blow vent of said the 6th solenoid valve (12); Be connected with the first hydrogen draft tube (15) on the blow vent of said second solenoid valve (8); Be connected with hydrogen blow-down pipe (16) on the blow vent of said the 4th solenoid valve (10), be connected with the second hydrogen draft tube (17) on the blow vent of said the 5th solenoid valve (11);
One end of said quantity tube (3) with said first liang mutually T-valve (7) be connected, the other end is connected with said the 6th solenoid valve (12); A said end of cutting post (4) in advance is connected with said the 3rd solenoid valve (9), and the other end is connected with said the 4th solenoid valve (10); One end of said main chromatographic column (5) is connected with said FID hydrogen flame assessor (6), and the other end is connected with said the 5th solenoid valve (11);
Under the analysis state, said sample draft tube (13), first solenoid valve (7), quantity tube (3), the 6th solenoid valve (12), sample blow-down pipe (14) constitute a path; The said first hydrogen draft tube (15), second solenoid valve (8), the 3rd solenoid valve (9), cut post (4), the 4th solenoid valve (10), hydrogen blow-down pipe (16) in advance and constitute a path; The said second hydrogen draft tube (17), the 5th solenoid valve (11), main chromatographic column (5) and FID hydrogen flame assessor (6) constitute a path;
Under the blowback state, the said first hydrogen draft tube (15), second solenoid valve (8), first solenoid valve (7), quantity tube (3), the 6th solenoid valve (12), the 3rd solenoid valve (9), cut post (4), the 4th solenoid valve (10), the 5th solenoid valve (11), main chromatographic column (5) and FID hydrogen flame assessor (6) in advance and constitute a path;
Said first solenoid valve (7), the 3rd solenoid valve (9), the 4th solenoid valve (10), the 6th solenoid valve (12) be closure or openness simultaneously; Said second solenoid valve (8), the 5th solenoid valve (11) be closure or openness simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120516747 CN202330377U (en) | 2011-12-09 | 2011-12-09 | Electromagnetic valve pipeline for gas chromatographic analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120516747 CN202330377U (en) | 2011-12-09 | 2011-12-09 | Electromagnetic valve pipeline for gas chromatographic analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202330377U true CN202330377U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120516747 Expired - Lifetime CN202330377U (en) | 2011-12-09 | 2011-12-09 | Electromagnetic valve pipeline for gas chromatographic analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202330377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569241A (en) * | 2013-10-25 | 2015-04-29 | 中国石油化工股份有限公司 | Method for determining oxygenated compound of C6 in gasoline or micro-reaction product by gas chromatography |
| 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 |
-
2011
- 2011-12-09 CN CN 201120516747 patent/CN202330377U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569241A (en) * | 2013-10-25 | 2015-04-29 | 中国石油化工股份有限公司 | Method for determining oxygenated compound of C6 in gasoline or micro-reaction product by gas chromatography |
| CN104569241B (en) * | 2013-10-25 | 2016-11-02 | 中国石油化工股份有限公司 | C in gas Chromatographic Determination gasoline or micro-inverse product6the method of following oxygenatedchemicals |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201210 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 science and Technology Development Department of Bohai Drilling Engineering Co., Ltd., No. 106, Huanghai Road, Tianjin Development Zone Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |