CN101991974B - Full-automatic mobile phase bubble separation device - Google Patents
Full-automatic mobile phase bubble separation device Download PDFInfo
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- CN101991974B CN101991974B CN 201010285107 CN201010285107A CN101991974B CN 101991974 B CN101991974 B CN 101991974B CN 201010285107 CN201010285107 CN 201010285107 CN 201010285107 A CN201010285107 A CN 201010285107A CN 101991974 B CN101991974 B CN 101991974B
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- mobile phase
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- tubulose
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Abstract
The invention discloses a full-automatic mobile phase bubble separation device, which comprises a tubular capturing trap, wherein a mobile phase liquid dripping passage is formed in an upper cover at the upper end of the tubular capturing trap; a guide device is arranged at the lower end of the upper cover, and a clearance is formed between the guide device and the periphery of the tubular capturing trap; the lower end opening of the mobile phase liquid dripping passage is positioned on the outer wall of the guide device; the mobile phase liquid dripping passage is connected with an upper perfusion pipe, and the lower end of the tubular capturing trap is provided with a mobile phase liquid drop outlet and connected with a lower perfusion pipe; and upper and lower liquid level sensors are arranged on the side walls of the tubular capturing trap respectively, the side wall of the tubular capturing trap is provided with an air outlet and connected with an air extraction pressure-keeping pump through a pipeline, and the upper and lower liquid level sensors are electrically connected with the air extraction pressure-keeping pump through a control loop. The device realizes separation of visible bubbles and liquid in the falling process of the mobile phase liquid drops, enables the mobile phase liquid drops to slowly flow down along the inner wall of the tubular capturing trap, and can effectively prevent the mobile phase liquid drops from directly dripping into the liquid level at the lower end of the tubular capturing trap.
Description
Technical field
The present invention relates to a kind of full-automatic flowing phase bubble detaching device.
Background technology
The chromatogram pump is one of high-pressure ion chromatogram chief component, and the chromatogram pump pumps into flowing phase in the analytical system with constant flow velocity under high pressure conditions, is the power resources of whole analytical system.Chromatography must just can obtain accurate analytical results under the prerequisite of the unanimity of analysis condition.
If when the chromatogram pump work, there is bubble to get into, can cause system's actual flow to change, pressure reduces, and causes analytic process to lose efficacy, and has only this moment the chromatogram pump is closed down, and discharges bubble wherein, could test again.But this moment, whole analytical system changed already, just need restart analytical work in order to obtain accurate data, wasted time and energy.Chromatography of ions basically all disposes online degasser at present; The principle that online degasser adopts the gas-liquid film to separate; Can the dissolved gas that be partly dissolved in the flowing phase be removed; Because the critical piece of the online degassing is expensive import assembly, only consider to satisfy removing the gas that is partly dissolved in the flowing phase during producer designs, but can't remove for visible bubble in bubble in the stream before the pump.
The flowing phase of chromatography of ions is the aqueous solution of mM level weak acid or weak base mostly; Solution gas in the flowing phase can constantly be separated out the outer wall attached to container and pipeline when environment temperature raises on the one hand, and part can be inhaled into the chromatogram pump, causes the interruption of analytic process; On the other hand when the solution gas content in the flowing phase is too high; Part gets into pump line Lu Houhui and separates out micro-bubble, under the suction of chromatogram pump, is inhaled into pump head, causes analyzing interrupting.If the sintering filter that links to each other with chromatogram pump feed tube is in addition partly stopped up by the impurity particle in the flowing phase, also can in feed tube, produce visible bubble in bubble during the chromatogram pump work, get into the chromatogram pump at last, make the compelled interruption of analytical work.The gas-liquid separator that exists in the existing market; What adopt is directly following mode of drop; With the air trap air scavenge, caused the experimenter to pay close attention at any time through manual mode like this, if can not be timely with the air scavenge in the air trap; To cause a large amount of gas to be inhaled in the chromatogram pump, and cause analyzing and interrupt.If the gas content during work in the flowing phase is higher, the impact moment when dripping so can produce a large amount of micro-bubbles, and a part also possibly impacted inside the Pass the flowing phase outlet, finally is inhaled in the pump, causes analytic process to be interrupted.
Summary of the invention
The purpose of this invention is to provide a kind of full-automatic flowing phase bubble detaching device,, realize separating of visible bubble in bubble and liquid in the flowing phase drop decline process, the bubble trap of utilizing air trap that visible bubble in bubble and impact are separated out because the gas ratio fluid density is low.
Technical scheme of the present invention is following:
A kind of full-automatic flowing phase bubble detaching device includes tubulose and catches trap, and it is characterized in that: the upper end that said tubulose is caught trap is provided with loam cake, is provided with the flowing phase drop in the described loam cake and goes into passage; Described loam cake lower end is a guiding device, and the periphery that described guiding device and tubulose are caught trap has for liquid along catching the dirty gap of trap tube wall; The lower ending opening that the flowing phase drop is gone into passage is positioned on the guiding device outer wall; The flowing phase drop is gone into passage and is connected with upper tubing, and the lower end that tubulose is caught trap is provided with the outlet of flowing phase drop and is connected with down woven hose; Be separately installed with upper and lower liquid level sensor on the sidewall of said tubulose seizure trap; The sidewall that tubulose is caught trap is provided with the gas outlet and is connected with the pressurize pump of bleeding through pipeline, and described upper and lower liquid level sensor is electrically connected through control loop and the described pressurize pump of bleeding.
Described full-automatic flowing phase bubble detaching device, it is characterized in that: the rear end of said upper and lower woven hose is connected with flowing phase liquid storage bottle and plunger displacement pump respectively.
Beneficial effect of the present invention:
The present invention has realized flowing phase drop the separating of visible bubble in bubble and liquid in the decline process; The pressurize pump of bleeding of the present invention can guarantee that gas can not be inhaled into from the inlet of the pressurize pump of bleeding when not working, can guarantee that the supply normally of flowing phase drop is in tubulose seizure trap simultaneously; Part flow arrangement of the present invention, the inwall that can make the flowing phase drop catch trap along tubulose slowly flows down, and can prevent effectively that the flowing phase drop from directly dripping the liquid level of catching the trap lower end to tubulose.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Referring to Fig. 1, a kind of full-automatic flowing phase bubble detaching device includes tubulose and catches trap 1, and the upper end that tubulose is caught trap 1 is provided with loam cake 11, is provided with the flowing phase drop in the loam cake 11 and goes into passage; Loam cake 11 lower ends are guiding device 2, and guiding device 2 has for liquid along catching the dirty gap of trap tube wall with the periphery that tubulose is caught trap 1; The lower ending opening that the flowing phase drop is gone into passage is positioned on the outer wall of guiding device 2; The flowing phase drop is gone into passage and is connected with upper tubing 8, and the lower end that tubulose is caught trap 1 is provided with the outlet of flowing phase drop and is connected with down woven hose 9; Be separately installed with upper and lower liquid level sensor 5,4 on the sidewall of tubulose seizure trap 1; The sidewall that tubulose is caught trap 1 is provided with the gas outlet and is connected with the pressurize pump 6 of bleeding through pipeline 7, and upper and lower liquid level sensor 5,4 is electrically connected through the control loop 10 and the pressurize pump 6 of bleeding.
The rear end of upper and lower woven hose 8,9 is connected with flowing phase liquid storage bottle and plunger displacement pump respectively.
Liquid level in tubulose is caught trap 1 is lower than the end of qualification during liquid level; Following liquid level sensor 4 is opened the gas that tubulose is caught in the trap 1 and is taken away through the control loop 10 control pressurize pump 6 of bleeding; The moment pressure reduction that is detached formation along with gas can pour into the flowing phase drop in the flowing phase liquid storage bottle tubulose seizure trap 1; It is the highest when spacing that liquid level in tubulose is caught trap 1 reaches, and last liquid level sensor 5 is controlled through control loop 10 and closed down the pressurize pump 6 of bleeding, when the pressurize pump 6 of bleeding is not worked; Can guarantee that gas can not be inhaled into from the inlet of the pressurize pump 6 of bleeding, can guarantee that the supply normally of flowing phase drop is in tubulose seizure trap 1 simultaneously.
When plunger displacement pump was worked, the liquid in the upstream flow phase liquid storage bottle was caught in the trap 1 because of pressure reduction flows to tubulose, directly dripped the liquid level of catching trap 1 interior lower end to tubulose but guiding device 2 can effectively prevent liquid; Drop hits the moment of liquid level, and interface pressure increases, and makes gas dissolve in liquid again; If every milliliters of liquid can have 20; 500ml/ bottle liquid just can have the dissolving of nearly ten thousand minimum gas, catches in the following woven hose 9 of trap 1 at tubulose, and gas can dissociate again; Accumulate bubble, make the plunger displacement pump cisco unity malfunction; And the inwall that guiding device 2 can make flowing phase catch trap 1 along tubulose slowly flows down; Effectively solve the problem that drop hits liquid level, also eliminated the possibility that the more flowing phase drop of solution gas content gets into plunger displacement pump because of following bubble that impacts to produce in addition.
Claims (2)
1. a full-automatic flowing phase bubble detaching device includes tubulose and catches trap, and it is characterized in that: the upper end that said tubulose is caught trap is provided with loam cake, is provided with the flowing phase drop in the described loam cake and goes into passage; Described loam cake lower end is a guiding device, and the periphery that described guiding device and tubulose are caught trap has for liquid along catching the dirty gap of trap tube wall; The lower ending opening that the flowing phase drop is gone into passage is positioned on the guiding device outer wall; The flowing phase drop is gone into passage and is connected with upper tubing, and the lower end that tubulose is caught trap is provided with the outlet of flowing phase drop and is connected with down woven hose; Be separately installed with upper and lower liquid level sensor on the sidewall of said tubulose seizure trap; The sidewall that tubulose is caught trap is provided with the gas outlet and is connected with the pressurize pump of bleeding through pipeline, and described upper and lower liquid level sensor is electrically connected through control loop and the described pressurize pump of bleeding.
2. full-automatic flowing phase bubble detaching device according to claim 1, it is characterized in that: the rear end of said upper and lower woven hose is connected with flowing phase liquid storage bottle and plunger displacement pump respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010285107 CN101991974B (en) | 2010-09-15 | 2010-09-15 | Full-automatic mobile phase bubble separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010285107 CN101991974B (en) | 2010-09-15 | 2010-09-15 | Full-automatic mobile phase bubble separation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101991974A CN101991974A (en) | 2011-03-30 |
| CN101991974B true CN101991974B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010285107 Active CN101991974B (en) | 2010-09-15 | 2010-09-15 | Full-automatic mobile phase bubble separation device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5928892B2 (en) * | 2012-07-30 | 2016-06-01 | 株式会社リコー | Foam removing apparatus and foam removing method |
| CN104740728B (en) * | 2015-03-27 | 2017-07-21 | 山东省立医院 | Gas-liquid separation syringe |
| CN105972203B (en) * | 2016-06-21 | 2018-04-10 | 上海艾魁英生物科技有限公司 | The KLP-602 sodium alginate soln for automatically adjusting positive/negative-pressure prepares degassing and pressure conveying cylinder assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1419948A (en) * | 2001-11-15 | 2003-05-28 | 中国科学院大连化学物理研究所 | Liquid delivery pump and liquid transfer pipeline degassing device |
| CN201295552Y (en) * | 2008-11-07 | 2009-08-26 | 青岛盛瀚色谱技术有限公司 | Online gas-liquid separator |
| CN201840912U (en) * | 2010-09-15 | 2011-05-25 | 安徽皖仪科技股份有限公司 | Full-automatic mobile phase bubble separation device |
-
2010
- 2010-09-15 CN CN 201010285107 patent/CN101991974B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1419948A (en) * | 2001-11-15 | 2003-05-28 | 中国科学院大连化学物理研究所 | Liquid delivery pump and liquid transfer pipeline degassing device |
| CN201295552Y (en) * | 2008-11-07 | 2009-08-26 | 青岛盛瀚色谱技术有限公司 | Online gas-liquid separator |
| CN201840912U (en) * | 2010-09-15 | 2011-05-25 | 安徽皖仪科技股份有限公司 | Full-automatic mobile phase bubble separation device |
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| Publication number | Publication date |
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| CN101991974A (en) | 2011-03-30 |
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Inventor after: Huang Wenping Inventor after: Zhang Chenguang Inventor after: Wang Huifang Inventor before: Huang Wenping Inventor before: Zhang Chenguang Inventor before: Gao Ping |
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Free format text: CORRECT: INVENTOR; FROM: HUANG WENPING ZHANG CHENGUANG GAO PING TO: HUANG WENPING ZHANG CHENGUANG WANG HUIFANG |
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Address after: High tech Zone Wenqu 230088 Hefei Road, Anhui province No. 8 Patentee after: ANHUI WANYI SCIENCE & TECHNOLOGY Co.,Ltd. Address before: Tianda high tech Zone 230088 Hefei Road, Anhui province No. 71 Huayi Science Park building B building Anhui instrument Patentee before: ANHUI WANYI SCIENCE & TECHNOLOGY Co.,Ltd. |