CN110665330A - Ion mobility spectrometry purification tube cyclic regeneration system and working method thereof - Google Patents
Ion mobility spectrometry purification tube cyclic regeneration system and working method thereof Download PDFInfo
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- CN110665330A CN110665330A CN201911086414.XA CN201911086414A CN110665330A CN 110665330 A CN110665330 A CN 110665330A CN 201911086414 A CN201911086414 A CN 201911086414A CN 110665330 A CN110665330 A CN 110665330A
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- 238000000746 purification Methods 0.000 title claims abstract description 148
- 238000001871 ion mobility spectroscopy Methods 0.000 title claims abstract description 74
- 230000008929 regeneration Effects 0.000 title claims abstract description 68
- 238000011069 regeneration method Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims description 31
- 125000004122 cyclic group Chemical group 0.000 title claims description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000010926 purge Methods 0.000 claims description 73
- 230000008569 process Effects 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000012629 purifying agent Substances 0.000 claims description 13
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 11
- 239000002808 molecular sieve Substances 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims description 9
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000004964 aerogel Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 239000011491 glass wool Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 102000006391 Ion Pumps Human genes 0.000 claims 1
- 108010083687 Ion Pumps Proteins 0.000 claims 1
- 239000004945 silicone rubber Substances 0.000 claims 1
- 238000004891 communication Methods 0.000 description 13
- 239000000284 extract Substances 0.000 description 6
- 239000002274 desiccant Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/622—Ion mobility spectrometry
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Abstract
The invention provides a circulating regeneration system of an ion mobility spectrometry purification tube, which comprises: the device comprises a gas circuit conversion module, a purification pipe regeneration module, a sensor module and a control module; the purification tube regeneration module comprises two parallel purification tubes; the purifying pipe is connected with the equipment main body through an electromagnetic control valve, and the front end and the rear end of the purifying pipe are respectively provided with an air inlet valve and an air outlet valve which can be directly communicated with the atmosphere; the gas path conversion module comprises a gas inlet valve, a gas outlet valve and a conversion valve; the purification tube can be switched to work, regeneration and standby by changing the working state of the electromagnetic valve in the gas path; the sensor module comprises a humidity sensor arranged in the air path; the control module is connected with all other modules in a control mode, receives the gas circuit state parameters, controls the gas circuit conversion module and the purification tube regeneration module according to the collected gas circuit state parameters, issues a control instruction and switches the working state of the purification tube. The system can be stably used for a long time and has high regeneration efficiency.
Description
Technical Field
The invention relates to an ion mobility spectrometry detection technology in the field of chemical analysis, in particular to a system and a method for recycling an ion mobility spectrometry purification tube.
Background
Ion mobility spectrometers often operate in atmospheric environments with air as the source of gas, but moisture and other impurities are present in the air, and the data measured by the instrument is difficult to reproduce and compare without control. The purifying pipe device filled with the purifying agent can effectively eliminate the influence, namely the purifying agent absorbs moisture and impurities in the gas and purifies the gas entering the instrument, but the service life of the purifying agent is limited, and frequent purifying agent replacement work is very complicated in order to maintain the long-term stable working state of the instrument, so that the research on a purifying pipe circulating regeneration system capable of working stably for a long time is very necessary.
The existing reproducible ion mobility spectrometry purification device generally uses two parallel purification pipes, which can be divided into two types, wherein the first type is to isolate the two purification pipes, namely one purification pipe continues to purify gas through the switching of an electromagnetic valve, the other purification pipe is heated and regenerated, and the adsorbed water vapor leaves the purification pipes in a free diffusion mode, so that the regeneration efficiency of the method is not high, and the water vapor is difficult to completely strip from the purification pipes; the second type is to connect two purifying tubes with the ion mobility spectrometer in series to directly extract air, purge the second purifying tube for heating regeneration by the purified air purified by the first purifying tube, and discharge the water vapor into the air through the exhaust port directly.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the problems in the prior art and provides an ion mobility spectrometry purification tube cyclic regeneration system and a working method thereof.
In order to solve the above problems, the technical solution of the present invention is as follows:
a kind of ion mobility spectrometry purifies the regenerated system of tube circulation:
the utility model provides an ion mobility spectrometry purifying tube circulation regeneration system which characterized in that includes: the device comprises a gas circuit conversion module 200, a purification pipe regeneration module 100, a sensor module 300 and a control module 400;
the purification tube regeneration module comprises two parallel purification tubes 101 and 102; the purifying pipe is connected with the equipment main body through an electromagnetic control valve, and the front end and the rear end of the purifying pipe are respectively provided with an air inlet valve and an air outlet valve which can be directly communicated with the atmosphere;
the gas path conversion module comprises a gas inlet valve, a gas outlet valve and a conversion valve; the purification tube can be switched to work, regeneration and standby by changing the working state of the electromagnetic valve in the gas path;
the sensor module comprises a humidity sensor arranged in the air path;
the control module is connected with all other modules in a control mode, receives the gas circuit state parameters, controls the gas circuit conversion module and the purification tube regeneration module according to the collected gas circuit state parameters, issues a control instruction and switches the working state of the purification tube.
The ion mobility spectrometry purification tube recycling system as claimed in claim 1, wherein the purification tube is internally filled with a dust-filtering and moisture-filtering purifying agent filler; the outer wall of the purification pipe is provided with a silicon rubber heating sheet.
The outer side of the silicon rubber heating sheet is provided with a layer of heat preservation and insulation material.
The heat-insulating material is one of aerogel heat-insulating felt, glass wool, aluminum silicate fiber and vacuum heat-insulating plate
The silicon rubber heating sheet is embedded with a temperature sensor, and the temperature sensor is connected with the control module.
The purifying agent filler for filtering dust and moisture is filled in the purifying tube, and the purifying agent filler is one of an active mineral purifying agent, silica gel and a molecular sieve.
A working method of a circulating regeneration system of an ion mobility spectrometry purification tube,
sensor module 300 feeds back humidity parameter information to control module 400 through the humidity sensor real-time supervision drift gas who installs in the gas circuit, and control module receives gas circuit state parameter to issue control command, after finding that humidity parameter reaches the settlement threshold value, control module 400 sends control command to gas circuit conversion module 200 and purge tube regeneration module 100 simultaneously, switches the purge tube into different operating condition:
(1) the purification pipes 101 work in series, and the purification pipes 102 are regenerated;
(2) the purification pipe 101 works circularly, and the purification pipe 102 is used for standby;
(3) the purification pipe 101 is regenerated, and the purification pipes 102 work in series;
(4) the purge line 101 is inactive and the purge line 102 is cycled.
The purification pipes 101 work in series, and the purification pipes 102 are regenerated; the exhaust valve of the purifying pipe 102 and the air inlet valve of the purifying pipe 101 are opened, the direction of the change-over valve is switched, the air path is directly communicated with the atmosphere, the air is pumped into the air path through the air inlet valve, and the air path passes through the purifying pipe 101, the air pump, the ion mobility spectrometry equipment main body and the purifying pipe 102 to form a one-way series air path, and the regenerated moisture is directly discharged through the exhaust valve.
The purification pipe 101 works circularly, and the purification pipe 102 is used for standby; after the purification tube 102 is regenerated, the air inlet valve and the air outlet valve are closed, and the direction of the change-over valve is switched at the same time, so that the purification tube 101, the ion mobility spectrometry equipment main body, the air pump and the electromagnetic valve form a closed circulating air path, air only passes through the purification tube 101 and is in a circulating working state, and the purification tube 102 is isolated from the air path and is in a standby state.
The purification pipe 101 is regenerated, and the purification pipes 102 work in series; the exhaust valve behind the purge tube 101 and the air inlet valve in front of the purge tube 102 are opened, the direction of the switching valve is switched, the air path is directly communicated with the atmosphere, the air is pumped into the air path through the air inlet valve, and passes through the purge tube 102, the air pump, the ion mobility spectrometry equipment main body and the purge tube 101 to form a one-way series air path, and the regenerated moisture is directly discharged through the exhaust valve.
The purification pipe 101 is used for standby, and the purification pipe 102 works circularly; after the purification tube 101 is regenerated, the air inlet valve and the air outlet valve are closed, and the direction of the air path conversion valve is switched at the same time, so that the purification tube 102, the ion mobility spectrometry equipment main body, the air pump and the electromagnetic valve form a closed circulating air path, the air only passes through the purification tube 102 and is in a circulating working state, and the purification tube 101 is isolated from the air path and is in a standby state.
Has the advantages that: the system can be stably used for a long time, has high regeneration efficiency, and continuously and circularly switches four working states of the purification pipes, so that the cyclic regeneration system realizes the cyclic use and regeneration of the two purification pipes, does not need to manually replace a drying agent on the premise of ensuring the online continuous use of the ion mobility spectrometry equipment, automatically realizes the high-efficiency regeneration of the purification pipes, and greatly prolongs the service life of the drying agent.
The cyclic regeneration system of the invention does not need to manually replace the drying agent on the premise of ensuring the online continuous and stable use of the ion mobility spectrometry equipment, automatically realizes the cyclic use and the efficient regeneration of the two purification pipes by switching the states of the purification pipes, and improves the convenience of the daily use of the ion mobility spectrometry equipment.
When the purifying pipes are regenerated, the ion mobility spectrometry equipment adopts a one-way gas circuit, the fresh air purified by the first purifying pipe is used for purging the second purifying pipe which is heated and regenerated, and water vapor is directly discharged into the atmosphere through an exhaust valve, so that the discharge of the moisture of the purifying agent is greatly accelerated, and the regeneration process of the purifying pipes is shortened; when the purge tube is not regenerated, the ion mobility spectrometry equipment adopts the circulation gas circuit, and drift gas only passes through 1 purge tube, and 1 purge tube is in standby state in addition, has avoided purge tube and atmospheric direct contact, has prolonged the life cycle of decontaminating agent, reduces regeneration frequency, has increased the life of purge tube simultaneously.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a control flow diagram of the present invention.
Fig. 2 is a flow chart of the gas circuit control of the purge pipe circulation regeneration system according to embodiment 1 of the present invention.
Fig. 3 is a flow chart of the gas circuit control of the purge pipe circulation regeneration system according to embodiment 2 of the present invention.
Fig. 4 is a flow chart of the gas circuit control of the purge pipe circulation regeneration system according to embodiment 3 of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Referring to fig. 1, an ion mobility spectrometry purification tube recycling system includes a purification tube recycling module 100, a gas path conversion module 200, a sensor module 300, and a control module 400. The working process of the system is as follows: the sensor module 300 monitors the humidity of the drift gas in real time through a humidity sensor installed in the gas path, and feeds humidity parameter information back to the control module 400, the control module 400 is a commander of the whole system, receives gas path state parameters, and issues a control instruction, and when the humidity parameter is found to reach a set threshold, the control module 400 simultaneously sends the control instruction to the gas path conversion module 200 and the purification tube regeneration module 100 to perform gas path switching and regenerative heating. The gas path conversion module 200 is connected with the purification tube and the ion migration equipment main body and used for switching the gas path direction to influence the working state of the purification tube; purge tube regeneration module 100 controls the heating regeneration of the purge tube while the regeneration temperature is monitored by sensor module 200 and controlled by control module 400.
2-4 are gas circuit control flow charts of three embodiments of the ion mobility spectrometry purification tube cycle regeneration system. The main equipment in the gas circuit includes:
the purifying pipe 101 and the purifying pipe 102 are arranged, in the embodiment, the purifying pipe is internally filled with a molecular sieve filler for filtering dust and moisture; the outer wall of the purification pipe is wrapped with a silicon rubber heating sheet for heating and regenerating the purifying agent, and a temperature sensor is embedded in the heating sheet for monitoring the temperature of the purification pipe; the outermost side of the purification pipe is provided with a layer of aerogel heat insulation felt; the two purification pipes are configured to purify the gas when the gas passes through; the regeneration temperature of the molecular sieve is stabilized at 200 ℃ in the regeneration process, and the molecular sieve is continuously heated for 6 hours, so that moisture in the molecular sieve forms water vapor after being heated and is discharged out of the purifying pipe.
The ion mobility spectrometry equipment main body 5, the gas in the regeneration system is the drift gas of the ion mobility spectrometry equipment; and the air pump 6 is used for driving the flow of the drift air in the system.
An exhaust valve: normally closed single- way solenoid valves 201 and 202, and two-position three- way solenoid valves 203 and 204;
an air intake valve: normally closed one-way solenoid valves 205, 206, two-position three- way solenoid valves 203, 204, 212;
switching valve: two-position three- way solenoid valves 212, 207, 208, 209, 210, two-position four-way solenoid valve 211.
Discharge valve, admission valve, change-over valve make up into the gas circuit conversion module of purge tube circulation regeneration system jointly, through the coordinated operation between the three, switch the purge tube into different operating condition:
(1) the purification pipes 101 work in series, and the purification pipes 102 are regenerated; (2) the purification pipe 101 works circularly, and the purification pipe 102 is used for standby; (3) the purification pipe 101 is regenerated, and the purification pipes 102 work in series; (4) the purge line 101 is inactive and the purge line 102 is cycled.
Hereinafter, the state transition process of the gas circuit will be described in detail through different embodiments.
Example 1:
as shown in fig. 2, the gas path control flow chart of the purification tube recycling system of the present invention includes a purification tube 101, a purification tube 102, an ion mobility spectrometry device main body 5, and an air pump 6; the intake valve includes a two-position three-way solenoid valve 212; the exhaust valve comprises normally closed one-way electromagnetic valves 203 and 204; the switching valves comprise two-position three-way electromagnetic valves 212, 207, 208, 209 and 210; according to the actual state of the molecular sieve in the purifying tube fed back by the sensor module, the control module issues an instruction, and through coordination and cooperation between the valves, the purifying tube can present different working states:
the purification pipes 101 work in series, and the purification pipes 102 are regenerated;
the flowing direction of the gas is as follows in sequence: atmosphere, valve 212, air pump 6, valve 209, purge line 101, valve 208, ion mobility spectrometry apparatus 5, valve 207, valve 210, purge line 102, valve 202, atmosphere. Wherein valve 212 is in direct communication with the atmosphere, valve 209 is switched to communicate with purge line 101, valve 208 is in communication with ion mobility spectrometry apparatus 5, valve 207 is in communication with valve 210, valve 210 is in communication with purge line 102, and valve 202 is opened while maintaining the normally closed state of valve 201.
The purge tube 102 is in the heating regeneration state in this process, and moisture and VOCs etc. in the molecular sieve volatilize gradually, and the air pump extracts fresh air from the atmosphere, through the purification of purge tube 101 back, get into 5 and become dry drift gas, and ion mobility spectrometry equipment still keeps normal operating condition, and drift gas flows from the other end of 5, directly gets into purge tube 102, will regenerate moisture and discharge into the atmosphere, forms one-way series gas circuit. The state ensures that the purifying tube can purify gas and efficiently regenerate the molecular sieve and simultaneously ensure the normal work of the ion mobility spectrometry equipment.
The purification pipe 101 works circularly, and the purification pipe 102 is used for standby;
after the purge pipe 102 is regenerated, the purge pipe 101 is switched to the internal circulation gas path in order to extend the life cycle of the purge pipe 101. The flow of gas at this time is one cycle: valve 212, air pump 6, valve 209, purge line 101, valve 208, ion mobility spectrometry apparatus 5, valve 207, valve 212. Wherein valve 212 is in communication with valve 207, valves 209, 208 are switched to communicate with purge line 101, and valves 201, 202 are maintained in a normally closed state.
In the process, the purifying tube 101, the ion mobility spectrometry main body 5 and the air pump 6 form a closed circulating air path, the drift gas only passes through the purifying tube 101, and the purifying tube 102 is isolated from the air path and is in a standby state. In the whole operation period of the ion mobility spectrometry equipment, the proportion of the regeneration process is small, the use of the internal circulation drift gas prolongs the service period of the purifying tube 101, reduces the regeneration times of the purifying tube and prolongs the service life of the molecular sieve.
The purification pipe 101 is regenerated, and the purification pipes 102 work in series;
after the purification tube 101 works for a long time, the molecular sieve in the purification tube gradually loses efficacy, the sensor module detects the humidity rise of drift gas and feeds the value back to the control module, and after the humidity reaches a threshold value, the control module issues a gas circuit switching instruction to enable the purification tube 101 to be in a regeneration state, and meanwhile, the purification tube 102 which is in a standby state before is connected into a gas circuit. The flowing direction of the gas is as follows: atmosphere, valve 212, air pump 6, valve 209, purge line 102, valve 208, ion mobility spectrometry device 5, valve 207, valve 210, purge line 101, valve 201, atmosphere. Where valve 212 is in direct communication with the atmosphere, valves 209, 208 are switched to communicate with purge line 102, valve 207 is in communication with valve 210, valve 210 is in communication with purge line 101, and valve 201 is opened while maintaining the normally closed state of valve 202.
In the process, the purifying tube 101 is in a heating regeneration state, the air pump pumps fresh air, after purification through the purifying tube 102, the fresh air enters the 5 to become dry drift gas, the ion mobility spectrometry equipment keeps a normal working state, the drift gas flows out from the other end of the 5 to directly enter the purifying tube 101, regenerated moisture is discharged into the atmosphere, and a one-way series gas circuit is formed.
The purification pipe 102 works circularly, and the purification pipe 101 is standby;
after the regeneration of the purge pipe 101 is completed, the purge pipe 102 is switched to the internal circulation gas path. The flow of gas at this time is one cycle: valve 212, air pump 6, valve 209, purge line 102, valve 208, ion mobility spectrometry apparatus 5, valve 207, valve 212. Wherein valve 212 is in communication with valve 207, valves 209, 208 are switched to communicate with purge line 102, and valves 201, 202 remain normally closed.
In the process, the purifying tube 102, the ion mobility spectrometry main body 5 and the air pump 6 form a closed circulating air path, the drift gas only passes through the purifying tube 102, and the purifying tube 101 is isolated from the air path and is in a standby state.
Example 2:
fig. 3 is another embodiment of the present invention. The gas path control flow chart comprises a purifying pipe 101, a purifying pipe 102, an ion mobility spectrometry equipment main body 5 and an air pump 6; the two-position three- way solenoid valves 203, 204 are both intake valves and exhaust valves; the switching valve comprises a two-position four-way valve 211 and a two-position three-way valve 209, and the purification pipes are switched to different working states through the coordination work of the modules:
the purification pipes 101 work in series, and the purification pipes 102 are regenerated;
the flowing direction of the gas is as follows in sequence: atmosphere, valve 203, purge tube 101, valve 211, air pump 6, ion mobility spectrometry device 5, purge tube 102, valve 204, atmosphere. Wherein the valves 203 and 204 are switched to be communicated with the atmosphere, the valve 211 is switched to enable the purifying tube 101 to be directly connected with the air pump 6, and the purifying tube 102 is directly connected with the drift gas outlet of the ion mobility spectrometry device 5.
In the process, the purifying tube 102 is in a heating regeneration state, the air pump extracts fresh air from the air inlet valve 203, the fresh air enters 5 after being purified by the purifying tube 101 to become dry drift gas, the ion mobility spectrometry equipment still keeps a normal working state, the drift gas flows out from the other end of 5 and directly enters the purifying tube 102, and regenerated moisture is discharged into the atmosphere through the valve 204 to form a one-way series air path.
The purification pipe 101 works circularly, and the purification pipe 102 is used for standby;
after the purification pipe 102 is regenerated, the purification pipe 101 is switched to an internal circulation gas path: valve 203, purge line 101, valve 211, air pump 6, ion mobility spectrometry apparatus 5, valve 209, valve 203. That is, the states of the valves 203 and 204 are switched simultaneously, the valve 209 and the valve 203 form a passage, and the three-way connection at the outlet of the ion mobility spectrometry device 5 to the valve 211, the purge tube 102 and the valve 204 is "dead".
In the process, the purifying tube 101, the air pump 6 and the ion mobility spectrometry main body 5 form a closed circulating gas path, the drift gas only passes through the purifying tube 101, and the purifying tube 102 does not participate in gas path circulation.
The purification pipe 101 is regenerated, and the purification pipes 102 work in series;
the flowing direction of the gas is as follows: atmosphere, valve 204, purge tube 102, valve 211, air pump 6, ion mobility spectrometry device 5, purge tube 101, valve 203, atmosphere. Wherein the valves 203 and 204 are switched to be communicated with the atmosphere, the valve 211 is switched to enable the purifying tube 102 to be directly connected with the air pump 6, and the purifying tube 101 is directly connected with the drift gas outlet of the ion mobility spectrometry device 5.
In the process, the purifying tube 101 is in a heating regeneration state, the air pump extracts fresh air from the air inlet valve 204, the fresh air enters 5 to become dry drift gas after being purified by the purifying tube 102, the ion mobility spectrometry equipment still keeps a normal working state, the drift gas flows out from the other end of 5 to directly enter the purifying tube 101, and regenerated moisture is discharged into the atmosphere through the valve 202 to form a one-way series air path.
The purification pipe 101 is used for standby, and the purification pipe 102 works circularly;
after the purification pipe 101 is regenerated, the purification pipe 102 is switched to an internal circulation gas path: valve 204, purge line 102, valve 211, air pump 6, ion mobility spectrometry apparatus 5, valve 209, valve 204. That is, the states of the valves 203 and 204 are switched simultaneously, the valve 209 and the valve 204 form a passage, and the three-way connection from the outlet of the ion mobility spectrometry device 5 to the valve 211, the purge tube 101 and the valve 203 is "dead".
In the process, the purifying tube 102, the air pump 6 and the ion mobility spectrometry main body 5 form a closed circulating gas path, the drift gas only passes through the purifying tube 102, and the purifying tube 101 does not participate in gas path circulation.
Example 3:
fig. 4 is yet another embodiment of the present invention. The gas path control flow chart comprises a purifying pipe 101, a purifying pipe 102, an ion mobility spectrometry equipment main body 5 and an air pump 6; normally closed one-way intake valves 205, 206; normally closed one- way exhaust valves 201, 202; two-position three- way switching valves 209, 208. Through the coordinated operation of these valves, the purge line is switched to different operating states:
the purification pipes 101 work in series, and the purification pipes 102 are regenerated;
the flowing direction of the gas is as follows in sequence: atmosphere, valve 206, purge line 101, valve 209, air pump 6, ion mobility spectrometry equipment 5, valve 208, purge line 102, valve 202, atmosphere. Wherein valves 206, 202 are switched open, valves 205, 201 remain normally closed, valve 209 is switched to communicate with purge line 101, and valve 208 is switched to communicate with purge line 102.
In the process, the purifying tube 102 is in a heating regeneration state, the air pump extracts fresh air from the air inlet valve 206, the fresh air enters 5 after being purified by the purifying tube 101 to become dry drift gas, the ion mobility spectrometry equipment still keeps a normal working state, the drift gas flows out from the other end of 5 and directly enters the purifying tube 102, and regenerated moisture is discharged into the atmosphere through the valve 202 to form a one-way series gas path.
The purification pipe 101 works circularly, and the purification pipe 102 is used for standby;
after the purification pipe 102 is regenerated, the purification pipe 101 is switched to an internal circulation gas path: valve 208, purge line 101, valve 209, air pump 6, ion mobility spectrometry apparatus 5, valve 208. That is, the valves 201, 202, 205, and 206 are kept in the normally closed state, the valve 209 is kept in communication with the purge pipe 101, and the valve 208 is switched to be in communication with the purge pipe 101.
In the process, the purifying tube 101, the air pump 6 and the ion mobility spectrometry main body 5 form a closed circulating gas path, the drift gas only passes through the purifying tube 101, and the purifying tube 102 does not participate in gas path circulation.
The purification pipe 101 is regenerated, and the purification pipes 102 work in series;
the flowing direction of the gas is as follows in sequence: atmosphere, valve 205, purge line 102, valve 209, air pump 6, ion mobility spectrometry equipment 5, valve 208, purge line 101, valve 201, atmosphere. Wherein valves 205, 201 are switched open, valves 206, 202 remain normally closed, valve 208 remains in communication with purge line 101, and valve 209 is switched to communicate with purge line 102.
In the process, the purifying tube 101 is in a heating regeneration state, the air pump extracts fresh air from the air inlet valve 205, the fresh air is purified by the purifying tube 102 and then enters the 5 to become dry drift air, the ion mobility spectrometry equipment still keeps a normal working state, the drift air flows out from the other end of the 5 to directly enter the purifying tube 101, and regenerated moisture is discharged into the atmosphere through the valve 201 to form a one-way series air path.
The purification pipe 101 is used for standby, and the purification pipe 102 works circularly;
after the purification pipe 101 is regenerated, the purification pipe 102 is switched to an internal circulation gas path: valve 208, purge line 102, valve 209, air pump 6, ion mobility spectrometry apparatus 5, valve 208. I.e., the valves 201, 202, 205, 206 are maintained in a normally closed state, the valve 209 is maintained in communication with the purge line 102, and the valve 208 is switched to communicate with the purge line 102.
In the process, the purifying tube 102, the air pump 6 and the ion mobility spectrometry main body 5 form a closed circulating gas path, the drift gas only passes through the purifying tube 102, and the purifying tube 101 does not participate in gas path circulation.
In each embodiment of the invention, four working states of the purifying pipes are continuously and circularly switched, so that the cyclic regeneration system realizes the cyclic use and regeneration of the two purifying pipes, does not need to manually replace a drying agent on the premise of ensuring the online continuous use of the ion mobility spectrometry equipment, automatically realizes the high-efficiency regeneration of the purifying pipes, and greatly prolongs the service life of the drying agent.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention patent claims is defined by the appended claims and their equivalents.
Claims (11)
1. The utility model provides an ion mobility spectrometry purifying tube circulation regeneration system which characterized in that includes: the device comprises a gas circuit conversion module (200), a purification pipe regeneration module (100), a sensor module (300) and a control module (400);
the purification tube regeneration module comprises two parallel purification tubes (101) and purification tubes (102); the purifying pipe is connected with the equipment main body through an electromagnetic control valve, and the front end and the rear end of the purifying pipe are respectively provided with an air inlet valve and an air outlet valve which can be directly communicated with the atmosphere;
the gas path conversion module comprises a gas inlet valve, a gas outlet valve and a conversion valve; the purification tube can be switched to work, regeneration and standby by changing the working state of the electromagnetic valve in the gas path;
the sensor module comprises a humidity sensor arranged in the air path;
the control module is connected with all other modules in a control mode, receives the gas circuit state parameters, controls the gas circuit conversion module and the purification tube regeneration module according to the collected gas circuit state parameters, issues a control instruction and switches the working state of the purification tube.
2. The ion mobility spectrometry purification tube recycling system as claimed in claim 1, wherein the purification tube is internally filled with a dust-filtering and moisture-filtering purifying agent filler; the outer wall of the purification pipe is provided with a silicon rubber heating sheet.
3. The ion mobility spectrometry purification tube recycling system of claim 2, wherein the outside of the silicone rubber heating sheet is a layer of thermal insulation material.
4. The ion mobility spectrometry purification tube recycling system as claimed in claim 3, wherein the thermal insulation material is one of aerogel thermal insulation felt, glass wool, aluminum silicate fiber and vacuum thermal insulation plate.
5. The ion mobility spectrometry purification tube cyclic regeneration system as claimed in claim 2, wherein the silicon rubber heating plate is embedded with a temperature sensor, and the temperature sensor is connected with the control module.
6. The ion mobility spectrometry purification tube recycling system of claim 2, wherein the purifying agent filler is one of an active mineral purifying agent, silica gel and a molecular sieve.
7. A working method of a circulating regeneration system of an ion mobility spectrometry purification tube is characterized in that,
sensor module (300) is through the humidity of installing the humidity transducer real-time supervision drift gas in the gas circuit, feeds back humidity parameter information to control module (400), and control module receives gas circuit state parameter to issue control command, after finding that humidity parameter reaches the settlement threshold value, control module (400) send control command to gas circuit conversion module (200) and purge tube regeneration module (100) simultaneously, switch the purge tube into different operating condition:
(1) the purification pipes (101) are connected in series for work, and the purification pipes (102) are regenerated;
(2) the purification pipe (101) works circularly, and the purification pipe (102) is used for standby;
(3) the purification pipe (101) is regenerated, and the purification pipes (102) are connected in series for work;
(4) the purification pipe (101) is standby, and the purification pipe (102) circularly works.
8. The working method of the ion mobility spectrometry purification tube cyclic regeneration system as claimed in claim 7, wherein the purification tubes (101) are connected in series for operation, and the specific process of the purification tube (102) regeneration is as follows: the exhaust valve of the purifying pipe (102) and the air inlet valve of the purifying pipe (101) are opened, the direction of the change-over valve is switched, the air path is directly communicated with the atmosphere, air is pumped into the air path through the air inlet valve and passes through the purifying pipe (101), the air pump, the ion mobility spectrometry equipment main body and the purifying pipe (102) to form a one-way series air path, and regenerated moisture is directly discharged through the exhaust valve.
9. The working method of the ion mobility spectrometry purification tube cyclic regeneration system as claimed in claim 7, wherein the purification tube (101) is operated circularly, and the purification tube (102) is used for the following specific processes: after the regeneration of the purifying tube (102) is finished, the air inlet valve and the air outlet valve are closed, and the direction of the switching valve is switched at the same time, so that the purifying tube (101), the ion mobility spectrometry equipment main body, the air pump and the electromagnetic valve form a closed circulating air path, air only passes through the purifying tube (101) and is in a circulating working state, and the purifying tube (102) is isolated from the air path and is in a standby state.
10. The working method of the ion mobility spectrometry purification tube cyclic regeneration system as claimed in claim 7, wherein the purification tube (101) is regenerated, and the purification tube (102) is connected in series to work in the following specific process: open the discharge valve behind purge tube (101) and the admission valve before purge tube (102), switch over change-over valve direction simultaneously, gas circuit and atmosphere direct UNICOM, the air is gone into the gas circuit through the admission valve to through purge tube (102), air pump, ion mobility spectrometry equipment main part, purge tube (101), form one-way series connection gas circuit, regeneration moisture is direct to be discharged through discharge valve.
11. The working method of the ion mobility spectrometry purification tube cyclic regeneration system as claimed in claim 7, wherein the purification tube (101) is standby, and the purification tube (102) is cyclically operated as follows: after the regeneration of the purifying tube (101) is finished, the air inlet valve and the exhaust valve are closed, and the direction of the air path conversion valve is switched at the same time, so that the purifying tube (102), the ion mobility spectrometry equipment main body, the air pump and the electromagnetic valve form a closed circulating air path, the air only passes through the purifying tube (102) and is in a circulating working state, and the purifying tube (101) is isolated from the air path and is in a standby state.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113968A (en) * | 2006-07-27 | 2008-01-30 | 中国科学院大连化学物理研究所 | Method for on-line measuring drug-making chemicals with ion transfer spectrometer |
| US20090114812A1 (en) * | 2007-11-06 | 2009-05-07 | Jurgen Landgraf | Ion mobility spectrometer with substance collector |
| CN103515182A (en) * | 2012-06-29 | 2014-01-15 | 中国科学院大连化学物理研究所 | Method for alternative use and regeneration of dry pipes of ion mobility spectrometry |
| CN103512947A (en) * | 2012-06-29 | 2014-01-15 | 中国科学院大连化学物理研究所 | Alternative gas switching method for ion mobility spectrometry in standby and analysis modes |
| CN103871825A (en) * | 2012-12-12 | 2014-06-18 | 中国科学院大连化学物理研究所 | Heat parse sample injector ion mobility spectrometry gas passage |
| 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 |
| CN109900779A (en) * | 2019-03-22 | 2019-06-18 | 上海新漫传感技术研究发展有限公司 | A kind of toxic gas monitor |
| CN211069551U (en) * | 2019-11-08 | 2020-07-24 | 上海新漫传感技术研究发展有限公司 | Ion mobility spectrometry purifying tube cyclic regeneration system |
-
2019
- 2019-11-08 CN CN201911086414.XA patent/CN110665330B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113968A (en) * | 2006-07-27 | 2008-01-30 | 中国科学院大连化学物理研究所 | Method for on-line measuring drug-making chemicals with ion transfer spectrometer |
| US20090114812A1 (en) * | 2007-11-06 | 2009-05-07 | Jurgen Landgraf | Ion mobility spectrometer with substance collector |
| CN103515182A (en) * | 2012-06-29 | 2014-01-15 | 中国科学院大连化学物理研究所 | Method for alternative use and regeneration of dry pipes of ion mobility spectrometry |
| CN103512947A (en) * | 2012-06-29 | 2014-01-15 | 中国科学院大连化学物理研究所 | Alternative gas switching method for ion mobility spectrometry in standby and analysis modes |
| CN103871825A (en) * | 2012-12-12 | 2014-06-18 | 中国科学院大连化学物理研究所 | Heat parse sample injector ion mobility spectrometry gas passage |
| 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 |
| CN109900779A (en) * | 2019-03-22 | 2019-06-18 | 上海新漫传感技术研究发展有限公司 | A kind of toxic gas monitor |
| CN211069551U (en) * | 2019-11-08 | 2020-07-24 | 上海新漫传感技术研究发展有限公司 | Ion mobility spectrometry purifying tube cyclic regeneration system |
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Address after: 201821 area a, building 3, No. 1411, Yecheng Road, Jiading Industrial Zone, Jiading District, Shanghai Applicant after: Shanghai xinman Sensor Technology Co.,Ltd. Address before: 201821 area a, building 3, No. 1411, Yecheng Road, Jiading Industrial Zone, Jiading District, Shanghai Applicant before: SIM MAX TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A circulating regeneration system for ion migration spectrum purification tube and its working method Granted publication date: 20240319 Pledgee: The Bank of Shanghai branch Caohejing Limited by Share Ltd. Pledgor: Shanghai xinman Sensor Technology Co.,Ltd. Registration number: Y2024980033219 |