CN103515182B - Being used alternatingly and renovation process of a kind of ion mobility spectrometry drying tube - Google Patents

Being used alternatingly and renovation process of a kind of ion mobility spectrometry drying tube Download PDF

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CN103515182B
CN103515182B CN201210224968.3A CN201210224968A CN103515182B CN 103515182 B CN103515182 B CN 103515182B CN 201210224968 A CN201210224968 A CN 201210224968A CN 103515182 B CN103515182 B CN 103515182B
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drying tube
air
interface
way magnetic
tube
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CN103515182A (en
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李京华
仓怀文
王新
渠团帅
王祯鑫
李林
李杭
史喜成
李海洋
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Dalian Institute of Chemical Physics of CAS
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Dalian Institute of Chemical Physics of CAS
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Abstract

Being used alternatingly and a renovation process of ion mobility spectrometry drying tube, by air feed pump, four two-position three way magnetic valves, couples together first drying tube, transference tube and second drying tube and becomes a gas flow path.Under closed electromagnetic valve state, air feed pump gathers air, air carries out purifying through first drying tube, purify air enter transference tube use and flow out, regeneration, then air that air carries out second drying tube to second drying tube be again discharged in air.Switching solenoid valve for after opening, air feed pump gathers air, air carries out purifying through second drying tube, purify air enter transference tube use and flow out, regeneration, then air that air carries out first drying tube to first drying tube be again discharged in air.

Description

Being used alternatingly and renovation process of a kind of ion mobility spectrometry drying tube
Technical field
The invention belongs to the analytical technology of chemical analysis field ion mobility spectrometry, being specifically used alternatingly and renovation process of a kind of ion mobility spectrometry drying tube.
Background technology
Adopt Ion mobility spectrometry when carrying out sample analysis, need to produce clean air continuously by the air feed pump of instrument internal, drying pipe, provide and analyze necessary drift gas and carrier gas, ensure the normal assay state of ion mobility spectrometry.Even under holding state, also to open air feed pump, maintain pure air and carry out purge instrument.
Drier finite capacity in drying tube, when air feed pump uses continuously, within several days to one month, will close instrument, frequently change drier, and want off-line to regenerate drier.
The present invention is used alternatingly and renovation process by a kind of ion mobility spectrometry drying tube, solves the problem.
Summary of the invention
Being used alternatingly and a renovation process of ion mobility spectrometry drying tube, by air feed pump, four two-position three way magnetic valves, couples together first drying tube, transference tube and second drying tube and becomes a gas flow path.
The import of air feed pump is connected with outside air, air feed delivery side of pump is connected with first interface of first two-position three way magnetic valve, and second interface of first two-position three way magnetic valve is connected with one end A mouth of second drying tube with first drying tube respectively with the 3rd interface;
First interface of second two-position three way magnetic valve is connected with outside air, and second interface of second two-position three way magnetic valve is connected with one end A mouth of second drying tube with first drying tube respectively with the 3rd interface;
First interface of the 3rd two-position three way magnetic valve is connected with the gas outlet of transference tube, and second interface of the 3rd two-position three way magnetic valve is connected with the other end B mouth of second drying tube with first drying tube respectively with the 3rd interface;
First interface of the 4th two-position three way magnetic valve is connected with the air inlet of transference tube, and second interface of the 4th two-position three way magnetic valve is connected with the other end B mouth of second drying tube with first drying tube respectively with the 3rd interface.
Under closed electromagnetic valve state, air feed pump gathers air, air carries out purifying through first drying tube, purify air enter transference tube use and flow out, regeneration, then air that air carries out second drying tube to second drying tube be again discharged in air;
Described closed electromagnetic valve state refers to:
The interface that first two-position three way magnetic valve is connected with second drying tube is closed;
The interface that second two-position three way magnetic valve is connected with first drying tube is closed;
The interface that 3rd two-position three way magnetic valve is connected with first drying tube is closed;
The interface that 4th two-position three way magnetic valve is connected with second drying tube is closed.
Switching solenoid valve for after opening, air feed pump gathers air, air carries out purifying through second drying tube, purify air enter transference tube use and flow out, regeneration, then air that air carries out first drying tube to first drying tube be again discharged in air;
Described electromagnetically operated valve opening refers to:
The interface that first two-position three way magnetic valve is connected with first drying tube is closed;
The interface that second two-position three way magnetic valve is connected with second drying tube is closed;
The interface that 3rd two-position three way magnetic valve is connected with second drying tube is closed;
The interface that 4th two-position three way magnetic valve is connected with first drying tube is closed.
The time of closed electromagnetic valve is 1-30 days.
The time that electromagnetically operated valve is opened is 1-30 days.
Under closed electromagnetic valve state, air feed pump gathers air, air carries out purifying through first drying tube, purify air enter transference tube use and flow out, regeneration, then air that air carries out second drying tube to second drying tube be again discharged in air.
Switching solenoid valve for after opening, air feed pump gathers air, air carries out purifying through second drying tube, purify air enter transference tube use and flow out, regeneration, then air that air carries out first drying tube to first drying tube be again discharged in air.
Alternately using continuously and continuous regeneration method of this ion mobility spectrometry drying tube, achieves alternately using continuously and cyclic regeneration of two drying tubes, improves the useful life of drying tube, shorten the recovery time.
Accompanying drawing explanation
Fig. 1, schematic diagram under electromagnetically operated valve 2,3,6,7 closed condition;
Fig. 2, switching solenoid valve 2,3,6,7 is for opening lower schematic diagram.
Embodiment
Being used alternatingly and a renovation process of ion mobility spectrometry drying tube, by air feed pump, four two-position three way magnetic valves, couples together first drying tube, transference tube and second drying tube and becomes a gas flow path.
The import of air feed pump is connected with outside air, air feed delivery side of pump is connected with first interface of first two-position three way magnetic valve, and second interface of first two-position three way magnetic valve is connected with one end A mouth of second drying tube with first drying tube respectively with the 3rd interface;
First interface of second two-position three way magnetic valve is connected with outside air, and second interface of second two-position three way magnetic valve is connected with one end A mouth of second drying tube with first drying tube respectively with the 3rd interface;
First interface of the 3rd two-position three way magnetic valve is connected with the gas outlet of transference tube, and second interface of the 3rd two-position three way magnetic valve is connected with the other end B mouth of second drying tube with first drying tube respectively with the 3rd interface;
First interface of the 4th two-position three way magnetic valve is connected with the air inlet of transference tube, and second interface of the 4th two-position three way magnetic valve is connected with the other end B mouth of second drying tube with first drying tube respectively with the 3rd interface.
Under closed electromagnetic valve state, air feed pump gathers air, air carries out purifying through first drying tube, purify air enter transference tube use and flow out, regeneration, then air that air carries out second drying tube to second drying tube be again discharged in air;
Described closed electromagnetic valve state refers to:
The interface that first two-position three way magnetic valve is connected with second drying tube is closed;
The interface that second two-position three way magnetic valve is connected with first drying tube is closed;
The interface that 3rd two-position three way magnetic valve is connected with first drying tube is closed;
The interface that 4th two-position three way magnetic valve is connected with second drying tube is closed.
Switching solenoid valve for after opening, air feed pump gathers air, air carries out purifying through second drying tube, purify air enter transference tube use and flow out, regeneration, then air that air carries out first drying tube to first drying tube be again discharged in air;
Described electromagnetically operated valve opening refers to:
The interface that first two-position three way magnetic valve is connected with first drying tube is closed;
The interface that second two-position three way magnetic valve is connected with second drying tube is closed;
The interface that 3rd two-position three way magnetic valve is connected with second drying tube is closed;
The interface that 4th two-position three way magnetic valve is connected with first drying tube is closed.
By air feed pump 1, four two-position three way magnetic valves 2,3,6,7, couple together first drying tube 4, transference tube 8 and second drying tube 5 and become a gas flow path.See Fig. 1, Fig. 2.
Fig. 1, under electromagnetically operated valve 2,3,6,7 closed condition, air feed pump gathers air 9, air carries out purifying through electromagnetically operated valve 2, first drying tube 4, purify air through electromagnetically operated valve 7 enter transference tube 8 use and flow out, air is discharged in air 10 through electromagnetically operated valve 3 through electromagnetically operated valve 6, the regeneration, the then air that carry out second drying tube to second drying tube 5 again.
Fig. 2, switching solenoid valve 2,3,6,7 for after opening, air feed pump gathers air 9, air carries out purifying through electromagnetically operated valve 2, second drying tube 5, purify air through electromagnetically operated valve 7 enter transference tube 8 use and flow out, air is discharged in air 10 through electromagnetically operated valve 3 through electromagnetically operated valve 6, the regeneration, the then air that carry out first drying tube to first drying tube 4 again.
Alternately using continuously and continuous regeneration method of this ion mobility spectrometry drying tube, achieves alternately using continuously and cyclic regeneration of two drying tubes, improves the useful life of drying tube, shorten the recovery time.
Embodiment 1:
Under electromagnetically operated valve 2,3,6,7 closed condition (Fig. 1), air feed pump gathers air 9, air carries out purifying through electromagnetically operated valve 2, first drying tube 4, purify air through electromagnetically operated valve 7 enter transference tube 8 use and flow out, air is discharged in air 10 through electromagnetically operated valve 3 through electromagnetically operated valve 6, the regeneration, the then air that carry out second drying tube to second drying tube 5 again.
In this case, ion mobility spectrometry can normal assay sample, continue after 1 day, switching solenoid valve 2,3,6,7 is (Fig. 2) after opening, air feed pump gathers air 9, air carries out purifying through electromagnetically operated valve 2, second drying tube 5, purify air through electromagnetically operated valve 7 enter transference tube 8 use and flow out, air is discharged in air 10 through electromagnetically operated valve 3 through electromagnetically operated valve 6, the regeneration, the then air that carry out first drying tube to first drying tube 4 again.In this case, ion mobility spectrometry can normal assay sample.
The time interval that closed electromagnetic valve is switched to unlatching is 1 day, then is 1 day from opening the time interval being switched to closedown, and repeatedly repeat said process 90 days, ion mobility spectrometry can normal assay sample.
Embodiment 2:
Under electromagnetically operated valve 2,3,6,7 opening (Fig. 1), air feed pump gathers air 9, air carries out purifying through electromagnetically operated valve 2, first drying tube 4, purify air through electromagnetically operated valve 7 enter transference tube 8 use and flow out, air is discharged in air 10 through electromagnetically operated valve 3 through electromagnetically operated valve 6, the regeneration, the then air that carry out second drying tube to second drying tube 5 again.
In this case, ion mobility spectrometry can normal assay sample, continue after 30 days, switching solenoid valve 2,3,6,7 is (Fig. 2) after closing, air feed pump gathers air 9, air carries out purifying through electromagnetically operated valve 2, second drying tube 5, purify air through electromagnetically operated valve 7 enter transference tube 8 use and flow out, air is discharged in air 10 through electromagnetically operated valve 3 through electromagnetically operated valve 6, the regeneration, the then air that carry out first drying tube to first drying tube 4 again.In this case, ion mobility spectrometry can normal assay sample.
It is 30 days that electromagnetically operated valve opens the time interval being switched to cut out, then is 30 days from closing the time interval being switched to unlatching, and repeatedly repeat said process 60 days, ion mobility spectrometry can normal assay sample.

Claims (3)

1. being used alternatingly and a renovation process of ion mobility spectrometry drying tube, by air feed pump, four two-position three way magnetic valves, couples together first drying tube, transference tube and second drying tube and becomes a gas flow path;
The import of air feed pump (1) is connected with outside air, air feed delivery side of pump is connected with first interface of first two-position three way magnetic valve (2), and second interface of first two-position three way magnetic valve (2) is connected with one end A mouth of second drying tube (5) with first drying tube (4) respectively with the 3rd interface;
First interface of second two-position three way magnetic valve (3) is connected with outside air, and second interface of second two-position three way magnetic valve (3) is connected with one end A mouth of second drying tube (5) with first drying tube (4) respectively with the 3rd interface;
First interface of the 3rd two-position three way magnetic valve (6) is connected with the gas outlet of transference tube, and second interface of the 3rd two-position three way magnetic valve (6) is connected with the other end B mouth of second drying tube (5) with first drying tube (4) respectively with the 3rd interface;
First interface of the 4th two-position three way magnetic valve (7) is connected with the air inlet of transference tube, and second interface of the 4th two-position three way magnetic valve (7) is connected with the other end B mouth of second drying tube (5) with first drying tube (4) respectively with the 3rd interface;
Under closed electromagnetic valve state, air feed pump gathers air, air carries out purifying through first drying tube, purify air enter transference tube use and flow out, regeneration, then air that air carries out second drying tube to second drying tube be again discharged in air;
Described closed electromagnetic valve state refers to:
The interface that first two-position three way magnetic valve (2) is connected with second drying tube (5) is closed;
The interface that second two-position three way magnetic valve (3) is connected with first drying tube (4) is closed;
The interface that 3rd two-position three way magnetic valve (6) is connected with first drying tube (4) is closed;
The interface that 4th two-position three way magnetic valve (7) is connected with second drying tube (5) is closed;
Switching solenoid valve for after opening, air feed pump gathers air, air carries out purifying through second drying tube, purify air enter transference tube use and flow out, regeneration, then air that air carries out first drying tube to first drying tube be again discharged in air;
Described electromagnetically operated valve opening refers to:
The interface that first two-position three way magnetic valve (2) is connected with first drying tube (4) is closed;
The interface that second two-position three way magnetic valve (3) is connected with second drying tube (5) is closed;
The interface that 3rd two-position three way magnetic valve (6) is connected with second drying tube (5) is closed;
The interface that 4th two-position three way magnetic valve (7) is connected with first drying tube (4) is closed.
2. being used alternatingly and renovation process of a kind of ion mobility spectrometry drying tube according to claim 1, is characterized in that: the time of closed electromagnetic valve is 1-30 days.
3. being used alternatingly and renovation process of a kind of ion mobility spectrometry drying tube according to claim 1, is characterized in that: the time that electromagnetically operated valve is opened is 1-30 days.
CN201210224968.3A 2012-06-29 2012-06-29 Being used alternatingly and renovation process of a kind of ion mobility spectrometry drying tube Active CN103515182B (en)

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CN107884469A (en) * 2017-12-08 2018-04-06 同方威视技术股份有限公司 Gas cleaning plant and ionic migration spectrometer
CN107983029A (en) * 2017-12-26 2018-05-04 同方威视技术股份有限公司 Gas cleaning plant and trace materials detection device
CN109900779B (en) * 2019-03-22 2021-09-21 上海新漫传感技术研究发展有限公司 Toxic gas monitor
GB2596601A (en) * 2020-07-03 2022-01-05 Smiths Detection Watford Ltd Method and apparatus

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CN102033100A (en) * 2009-09-25 2011-04-27 同方威视技术股份有限公司 Detecting system of ion migration spectrometer (IMS) using doping agent and detecting method thereof
CN102074448A (en) * 2009-11-20 2011-05-25 同方威视技术股份有限公司 Ion mobility spectrometer and method for improving detection sensitivity thereof

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EP2343545A3 (en) * 2005-07-20 2012-09-05 Smiths Group plc Detection systems
US20090078862A1 (en) * 2007-07-30 2009-03-26 Dan Rodier Ion mobility spectrometry analyzer for detecting peroxides

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Publication number Priority date Publication date Assignee Title
CN102033100A (en) * 2009-09-25 2011-04-27 同方威视技术股份有限公司 Detecting system of ion migration spectrometer (IMS) using doping agent and detecting method thereof
CN102074448A (en) * 2009-11-20 2011-05-25 同方威视技术股份有限公司 Ion mobility spectrometer and method for improving detection sensitivity thereof

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