CN106289912A - A kind of pretreating device for water on-line monitoring - Google Patents
A kind of pretreating device for water on-line monitoring Download PDFInfo
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- CN106289912A CN106289912A CN201610808834.4A CN201610808834A CN106289912A CN 106289912 A CN106289912 A CN 106289912A CN 201610808834 A CN201610808834 A CN 201610808834A CN 106289912 A CN106289912 A CN 106289912A
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- electromagnetic valve
- valve
- enrichment
- peristaltic pump
- digestion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/0092—Scheduling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Abstract
The invention discloses a kind of pretreating device for water on-line monitoring, six-way valve (1) that this device includes being sequentially communicated, peristaltic pump (2), enrichment system (3), digestion system (4), additionally include that control system (5), described control system (5) connect described six-way valve (1), peristaltic pump (2), enrichment system (3) and digestion system (4)；Present configuration is simple, practical, strong adaptability to environmental water sample, can be automatically adjusted according to water quality condition, realize first being enriched with clearing up afterwards or first clearing up by programme-control and be enriched with switching flexibly of both of which afterwards, achieve sample clears up enrichment and enrichment digestion process continuously, stability and the reliability of detection equipment are ensured, and extend the service life of instrument consumptive material, the continuous on-line monitoring of water sample can be realized as the pre-processing module of on-line monitoring instrument, reduce cost, reduce the usage amount of chemical reagent, reduce the risk of environmental pollution.
Description
Technical field:
The present invention relates to environmental protection technical field, be specifically related to a kind of pretreating device for water on-line monitoring.
Background technology:
At present in the pretreatment process of Environmental Water sample on-line monitoring, enrichment and digestion process often pattern are fixed: low
In the content of organic matter and the uncomplicated water of aqueous body compositions, generally using and be first enriched with the method cleared up afterwards, the method has requiredization
The advantages such as reagent is few, and Specimen eliminating amount is few；The water body of high organic content and complicated component then use after first clearing up rich
The method of collection, the method compares the former needs the sample size cleared up big, and acid consumption is big, and needs extra pH regulator reagent, deposits
Risk in environmental pollution.These two kinds of methods have the stability of monitoring to the water source of single stable character, but for some
Uncertain water source, monitoring process is easily affected by water quality qualitative change.Such as under burst conditions, the water body content of organic matter is drastically
Raising, first after enrichment under Degradation Models, enriching column easily reaches to adsorb saturated thus reduces its bioaccumulation efficiency and stability.At this
Plant enriching column under the frequent operating mode jumpy of water quality character easily to damage.After formerly clearing up under the pattern of enrichment, if water body has
Machine matter content drastically reduces, and needs the most unnecessary acid during clearing up in this way, and pH regulator process is also required to
Extra reagent, had both added reagent dosage and had too increased the risk of environmental pollution, and the economy that instrument runs had been greatly reduced.
Summary of the invention:
It is an object of the invention to provide a kind of pretreating device for water on-line monitoring, this apparatus structure is simple, practical
Property strong, the strong adaptability to environmental water sample, can be automatically adjusted according to water quality condition, realize first being enriched with clearing up afterwards by programme-control
Or first clear up the flexible switching being enriched with both of which afterwards, it is achieved that and clearing up enrichment continuously and being enriched with digestion process of sample, ensure
The stability of detection equipment and reliability, and extend the service life of instrument consumptive material, can as the front place of on-line monitoring instrument
Reason module realizes the continuous on-line monitoring of water sample, reduces cost, reduces the usage amount of chemical reagent, reduces environmental pollution
Risk.
The present invention is achieved by the following technical programs:
A kind of pretreating device for water on-line monitoring, Vavle switching system that this device includes being sequentially communicated, peristaltic pump,
Enrichment system, digestion system, additionally include control system；Described control system connects described Vavle switching system, peristaltic pump, richness
Collecting system and digestion system；Described Vavle switching system is six-way valve, six interfaces of six-way valve be respectively communicated with water sample feed tube,
One eluent feed tube, clear up acid solution feed tube, the first waste collection pipe, liquid sample collection pipe and pH regulator liquid feed tube,
The common port of six-way valve connects described peristaltic pump, and the control end of six-way valve connects described control system；The front end of described peristaltic pump
The common port of connection six-way valve, the rear end connection enrichment system of peristaltic pump, the control end of peristaltic pump connects described control system；Institute
Stating enrichment system and include enriching column, the electromagnetic valve being sequentially communicated with enriching column and pipeline, described enrichment system electromagnetic valve controls end
It is connected with control system；Described electromagnetic valve is three-way magnetic valve；Described enriching column upper end connects the second electromagnetic valve, enriching column lower end
Connecting the 4th electromagnetic valve, described second electromagnetic valve connects with the 4th electromagnetic valve through the first electromagnetic valve, the 3rd electromagnetic valve the most successively, institute
State the first electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, enriching column and the second electromagnetic valve and constitute a loop；Described second electricity
Magnet valve also connects with digestion system, and described first electromagnetic valve also connects with the rear end of peristaltic pump, and enrichment system liquid feeding end is through described
3rd electromagnetic valve connects with the second eluent feed tube, enrichment system liquid outlet through described 4th electromagnetic valve with the second waste collection
Pipe connects；The inlet of described digestion system lower end is with the second electromagnetic valve connection of enrichment system, and digestion system upper end is provided with limit
Pressure valve, air cock and purge valve, be additionally provided with attemperating unit, the control end of attemperating unit, pressure limiting valve, air cock and purge valve and institute
State control system to connect.
Described control system uses Automatic control of single chip microcomputer, it is preferable that increase Various types of data communication, data on this basis
Processing module, it is achieved collection automatically, analysis and the Based Intelligent Control of data.
Preferably, described digestion system is pot type digestion instrument.
Described six-way valve realizes feed liquor and the outflow of each class I liquid I；Peristaltic pump provides power for liquid flowing；Enrichment system
Realize the adsorption and desorption of water sample；Digestion system realizes clearing up of water sample；Control system is switched by programme-control six-way valve, compacted
Dynamic revolution speed and direction, three-way magnetic valve connected state in enrichment system, attemperating unit, pressure limiting valve, air cock in digestion system
On off state with purge valve, it is achieved first enrichment after Degradation Models and first clear up rear Enrichment Mode both patterns switching and
Liquid operating mode selects.
The present invention also protects the using method of said apparatus, and formerly after enrichment under Degradation Models, control system controls clematis stem
Vavle switching switches to the first electromagnetic valve, the second electromagnetic valve, the 4th electromagnetic valve in water sample feed tube, peristaltic pump rotating forward, enrichment system,
Water sample enters six-way valve by water sample feed tube, then enters enrichment system by pipeline through peristaltic pump, through the first electromagnetic valve, second
Electromagnetic valve enters enriching column and adsorbs, and enters the second waste collection pipe by the 4th electromagnetic valve in enrichment system after having adsorbed
Complete sample adsorption process.In elution process, control system controls first and third, four and in six-way valve switching, enrichment system
Air cock in two electromagnetic valve switchings, digestion system is opened, and eluent enters six-way valve by the first eluent feed tube, then leads to
Cross connecting line and enter enrichment system through peristaltic pump.In enrichment system, eluent successively by first and third and four electromagnetic valve and
Enriching column, then enter digestion system through the second electromagnetic valve.After a certain amount of eluent is by enriching column, control system controls
First and second electromagnetic valve switching in six-way valve switching, enrichment system.The acid of clearing up of digestion system is entered by clearing up acid solution feed tube
Enter six-way valve, then through peristaltic pump, enter digestion system by first and second electromagnetic valve in enrichment system.Cleared up at liquid
Cheng Zhong, the air cock of digestion system, purge valve close, and digestion condition and time controlled by attemperating unit.After having cleared up,
Control system control air valve is opened, and peristaltic pump inverts, and six-way valve switches, and liquid is by second, one electromagnetism in enrichment system
Valve and peristaltic pump enter six-way valve, go out to be measured from the liquid sample collection pipe flow of six-way valve.
Formerly clearing up under rear Enrichment Mode, control system controls first and second electromagnetism in six-way valve, peristaltic pump, enrichment system
Vavle switching and digestion system Air Valve are opened, and water sample enters six-way valve by water sample feed tube, then through peristaltic pump, enrichment system
In first and second electromagnetic valve be directly entered digestion system, after water sample enters certain volume, control system controls six-way valve switching,
Digestion system clear up acid in the same fashion from six-way valve clear up acid solution feed tube enter six-way valve, then through peristaltic pump,
First and second electromagnetic valve in enrichment system is directly entered digestion system；In liquid digestion process, the air cock of digestion system,
Purge valve is closed, and digestion condition and time are controlled by attemperating unit.After having cleared up, control system control air valve is beaten
Opening, pH regulator liquid enters six-way valve by the pH regulator liquid feed tube of six-way valve, then the in peristaltic pump, enrichment system
One, two electromagnetic valves enter digestion system.After completing to clear up sample pH value regulation, control system control air valve is opened, enrichment system
In second, four, three and one electromagnetic valve switching, peristaltic pump reversion, six-way valve switch, liquid flows out from digestion system, by richness
The second electromagnetic valve in collecting system enters enriching column and adsorbs, by the four, the three, an electromagnetic valve and peristaltic pump after having adsorbed
Enter six-way valve to go out from the first waste collection pipe flow again.In elution process, control system control in enrichment system third and fourth, two
With an electromagnetic valve switching, the eluent the second eluent feed tube from enrichment system is successively through the 3rd electromagnetic valve, the 4th electromagnetism
Valve enters enriching column, then sequentially passes through the second electromagnetic valve, the first electromagnetic valve, peristaltic pump entrance six-way valve, from liquid sample collection
Pipe flow goes out, and completes the eluting after clearing up enrichment.
Under pipeline-cleaning pattern, control system controls the closedown of digestion system Air Valve, purge valve is opened, peristaltic pump is anti-
Turning, cleanout fluid flows through digestion system by purge valve clears up pipeline, then pass through the second electromagnetic valve in enrichment system, enriching column,
Four, the three, an electromagnetic valve enters six-way valve through peristaltic pump, and cleanout fluid has gone out pipe from the first waste collection pipe flow of six-way valve
Road cleaning process.When cleanout fluid enter a certain amount of after, control system control purge valve close, air cock open, liquid to be cleaned from
After having flowed in whole pipeline, purge valve reopens, and air cock cuts out, and starts second time and cleans.
Beneficial effects of the present invention is as follows:
1. the present invention strong adaptability to environmental water sample, except being applicable to stable in properties, the water quality that composition is single is supervised online
Outside the pretreatment process surveyed, moreover it is possible to adaptation water quality acute variation, water quality complicated, and changeable situation, by program setting,
Software controls to be greatly improved stability and the reliability of pretreating device, and extends the service life of instrument consumptive material.
2. native system simple in construction, pipe-line system only needs single peristaltic pump to achieve that the flow direction and the flow speed control of fluid,
Realize simple, with low cost.
3. the present invention realizes first being enriched with clearing up afterwards or first clearing up by programme-control and is enriched with cutting flexibly of both patterns afterwards
Change, be not only suitable for all kinds of different quality, also can reduce the usage amount of chemical reagent, reduce the risk of environmental pollution.Right
The equipment of longtime running also significantly reduces cost.
4, the present invention can also realize the cleaning of pipeline.
In a word, present configuration is simple, practical, and the strong adaptability to environmental water sample can be automatic according to water quality condition
Regulation, realizes first being enriched with by programme-control clearing up afterwards or first clearing up and be enriched with switching flexibly of both patterns afterwards, it is achieved that sample
Clearing up enrichment continuously and being enriched with digestion process of product, has ensured stability and the reliability of detection equipment, and has extended instrument consumptive material
Service life, the continuous on-line monitoring of water sample can be realized as the pre-processing module of on-line monitoring instrument, reduce cost, reduce
The usage amount of chemical reagent, reduces the risk of environmental pollution.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention；
Wherein, 1, six-way valve, 2, peristaltic pump, 3, enrichment system, 4, digestion system, 5, control system, 11, water sample feed liquor
Pipe, the 12, first eluent feed tube, 13, clear up acid solution feed tube, 14, liquid sample collection pipe, 15, pH regulator liquid feed tube,
16, the first waste collection pipe, 30, enriching column, the 31, first electromagnetic valve, the 32, second electromagnetic valve, the 33, the 3rd electromagnetic valve, the 34, the 4th
Electromagnetic valve, 35, second eluent feed tube the 36, second waste collection pipe, 40, attemperating unit, 41, pressure limiting valve, 42, air cock,
43, purge valve.
Detailed description of the invention:
The following is and the present invention is further illustrated rather than limitation of the present invention.
Embodiment 1:
Structure a kind of pretreating device for water on-line monitoring as shown in Figure 1, this device includes six be sequentially communicated
Logical valve 1, peristaltic pump 2, enrichment system 3, digestion system 4, additionally include control system 5；Described control system 5 connects described six
Logical valve 1, peristaltic pump 2, enrichment system 3 and digestion system 4；Six interfaces of six-way valve 1 are respectively communicated with water sample feed tube 11, first
Eluent feed tube 12, clear up acid solution feed tube the 13, first waste collection pipe 16, liquid sample collection pipe 14 and pH regulator liquid and enter
Liquid pipe 15, the common port of six-way valve 1 connects described peristaltic pump 2, and the control end of six-way valve 1 connects described control system 5；Described compacted
The common port of the front end connection six-way valve 1 of dynamic pump 2, the rear end connection enrichment system 3 of peristaltic pump 2, the control end of peristaltic pump 2 connects
Described control system 5；Described enrichment system 3 includes enriching column 30, the electromagnetic valve 31-34 being sequentially communicated with enriching column 30 and pipe
Road, the electromagnetic valve of described enrichment system 3 controls end and is connected with control system 5；Described electromagnetic valve 31-34 is three-way magnetic valve；Institute
State enriching column 30 upper end and connect the second electromagnetic valve 32, enriching column 30 lower end connection the 4th electromagnetic valve 34, described second electromagnetic valve 32
Connect with the 4th electromagnetic valve 34 through the first electromagnetic valve the 31, the 3rd electromagnetic valve 33 the most successively, described first electromagnetic valve the 31, the 3rd electromagnetism
Valve the 33, the 4th electromagnetic valve 34, enriching column 30 and the second electromagnetic valve 32 constitute a loop；Described second electromagnetic valve 32 is also with clearing up
System 4 connects, and described first electromagnetic valve 31 also connects with the rear end of peristaltic pump 2, and enrichment system 3 liquid feeding end is through described 3rd electromagnetism
Valve 33 also connects with the second eluent feed tube 35, enrichment system 3 liquid outlet through described 4th electromagnetic valve 34 also with the second waste liquid
Collecting pipe 36 connects；Described digestion system 4 is pot type digestion instrument, and the inlet of pot type digestion instrument lower end is with enrichment system 3
The second electromagnetic valve 32 connect, pot type digestion instrument upper end is provided with pressure limiting valve 41, air cock 42 and purge valve 43, and pot type clears up dress
Put and be additionally provided with attemperating unit 40, the control end of described attemperating unit 40, pressure limiting valve 41, air cock 42 and purge valve 43 and described control
System 5 processed connects.The electromagnetic valve control end, the digestion system 4 that control end, enrichment system 3 that control end, peristaltic pump 2 of six-way valve 1
In the control end of attemperating unit 40, pressure limiting valve 41, air cock 42 and purge valve 43 all connect described control system 5.
Formerly after enrichment under Degradation Models, control system 5 controls six-way valve 1 and is just being switched to water sample feed tube 11, peristaltic pump 2
Turn, first electromagnetic valve the 31, second electromagnetic valve the 32, the 4th electromagnetic valve 34 switches in enrichment system 3, and water sample passes through water sample feed tube 11
Enter six-way valve 1, then enter enrichment system 3 by pipeline through peristaltic pump 2, enter through first electromagnetic valve the 31, second electromagnetic valve 32
Enriching column 30 adsorbs, and enters the second waste collection pipe 36 by the 4th electromagnetic valve 34 in enrichment system 3 complete after having adsorbed
Become sample adsorption process.In elution process, control system 5 control six-way valve 1 switch, the first electromagnetic valve in enrichment system 3
31, the 3rd electromagnetic valve the 33, the 4th electromagnetic valve 34 and the second electromagnetic valve 32 switches, air cock 42 in digestion system 4 is opened, eluting
Liquid enters six-way valve 1 by the first eluent feed tube 12, then enters enrichment system 3 by connecting line through peristaltic pump 2.In richness
In collecting system 3, eluent is successively by the first electromagnetic valve the 31, the 3rd electromagnetic valve the 33, the 4th electromagnetic valve 34 and enriching column 30, then warp
Cross the second electromagnetic valve 32 and enter digestion system 4.After a certain amount of eluent is by enriching column 30, control system 5 controls clematis stem
Valve 1 switches, first electromagnetic valve the 31, second electromagnetic valve 32 switches in enrichment system 3, digestion system clear up acid by clearing up acid
Liquid feed tube 13 enters six-way valve 1, then through peristaltic pump 2, by first electromagnetic valve the 31, second electromagnetic valve in enrichment system 3
32 enter digestion system 4.In liquid digestion process, the air cock 42 of digestion system 3, purge valve 43 are closed, digestion condition and
Time is controlled by attemperating unit 40.After having cleared up, control system 5 control air valve 42 is opened, and peristaltic pump 2 inverts, and six
Logical valve 1 switches, and liquid enters six-way valve 1 by second electromagnetic valve the 32, first electromagnetic valve 31 in enrichment system 3 and peristaltic pump 2,
Flow out to be measured from the liquid sample collection pipe 14 of six-way valve 1.
Formerly clearing up under rear Enrichment Mode, control system 5 controls the first electromagnetism in six-way valve 1, peristaltic pump 2, enrichment system 3
Valve the 31, second electromagnetic valve 32 switches and digestion system 4 Air Valve 42 is opened, and water sample enters six-way valve by water sample feed tube 11
1, then first electromagnetic valve the 31, second electromagnetic valve 32 in peristaltic pump 2, enrichment system 3 is directly entered digestion system 4, water sample enters
After entering certain volume, control system 5 controls six-way valve 1 and switches, digestion system clear up acid to clear up acid solution from six-way valve 1
Feed tube 13 enters six-way valve 1, then first electromagnetic valve the 31, second electromagnetic valve 32 in peristaltic pump 2, enrichment system 3 is direct
Enter digestion system 4；In liquid digestion process, the air cock 42 of digestion system 4, purge valve 43 are closed, digestion condition and time
Between controlled by attemperating unit 40.After having cleared up, control system 5 control air valve 42 is opened, and pH regulator liquid passes through clematis stem
The pH regulator liquid feed tube 15 of valve 1 enters six-way valve 1, then the first electromagnetic valve 31, second in peristaltic pump 2, enrichment system 3
Electromagnetic valve 32 enters digestion system 4.After completing to clear up sample pH value regulation, control system 5 control air valve 42 is opened, enrichment system
Second electromagnetic valve the 32, the 4th electromagnetic valve the 34, the 3rd electromagnetic valve 33 and the first electromagnetic valve 31 switches, peristaltic pump 2 inverts, clematis stem in 3
Valve 1 switches, and liquid flows out from digestion system 4, enters enriching column 30 by the second electromagnetic valve 32 in enrichment system 3 and inhales
Attached, enter six-way valve 1 again by the 4th electromagnetic valve the 34, the 3rd electromagnetic valve the 33, first electromagnetic valve 31 and peristaltic pump 2 after having adsorbed
Flow out from the first waste collection pipe 16.In elution process, control system 5 controls the 3rd electromagnetic valve the 33, the 4th electricity in enrichment system 3
Magnet valve the 34, second electromagnetic valve 32 and the first electromagnetic valve 31 switch, the eluent the second eluent feed tube 35 from enrichment system 3
Enter enriching column 30 through the 3rd electromagnetic valve the 33, the 4th electromagnetic valve 34 successively, then sequentially pass through second electromagnetic valve the 32, first electromagnetic valve
31, peristaltic pump 2 enters six-way valve 1, flows out from liquid sample collection pipe 14, completes the eluting after clearing up enrichment.
Under pipeline-cleaning pattern, control system 5 controls that digestion system 4 Air Valve 42 is closed, purge valve 43 is opened, compacted
Dynamic pump 2 inverts, and cleanout fluid flows through digestion system 4 by purge valve 43 clears up pipeline, then by the second electromagnetism in enrichment system 3
Valve 32, enriching column the 30, the 4th electromagnetic valve the 34, the 3rd electromagnetic valve the 33, first electromagnetic valve 31 enter six-way valve 1 through peristaltic pump 2, clearly
Washing liquid has flowed out pipeline-cleaning process from the first waste collection pipe 16 of six-way valve 1.After cleanout fluid entrance is a certain amount of, control
System 5 controls purge valve 43 and closes, and air cock 42 is opened, and after liquid to be cleaned has flowed from whole pipeline, purge valve 43 is opened again
Opening, air cock 42 cuts out, and starts second time and cleans.
Claims (5)
1. the pretreating device for water on-line monitoring, it is characterised in that this device includes the six-way valve being sequentially communicated
(1), peristaltic pump (2), enrichment system (3), digestion system (4), additionally include control system (5)；Described control system (5) is even
Connect described six-way valve (1), peristaltic pump (2), enrichment system (3) and digestion system (4)；Six interfaces of six-way valve (1) connect respectively
Water flowing sample feed tube (11), the first eluent feed tube (12), clear up acid solution feed tube (13), the first waste collection pipe (16),
Liquid sample collection pipe (14) and pH regulator liquid feed tube (15), the common port described peristaltic pump of connection (2) of six-way valve (1), six
The control end of logical valve (1) connects described control system (5)；The common port of front end connection six-way valve (1) of described peristaltic pump (2),
Rear end connection enrichment system (3) of peristaltic pump (2), the control end of peristaltic pump (2) connects described control system (5)；Described enrichment
System (3) includes enriching column (30), the electromagnetic valve (31-34) being sequentially communicated with enriching column (30) and pipeline, described enrichment system
(3) electromagnetic valve controls end and is connected with control system (5)；Described electromagnetic valve (31-34) is three-way magnetic valve；Described enriching column
(30) upper end connects the second electromagnetic valve (32), enriching column (30) lower end connection the 4th electromagnetic valve (34), described second electromagnetic valve
(32) connect with the 4th electromagnetic valve (34) through the first electromagnetic valve (31), the 3rd electromagnetic valve (33) the most successively, described first electromagnetic valve
(31), the 3rd electromagnetic valve (33), the 4th electromagnetic valve (34), enriching column (30) and the second electromagnetic valve (32) constitute a loop；Institute
Stating the second electromagnetic valve (32) also with digestion system (4) connects, described first electromagnetic valve (31) also connects with the rear end of peristaltic pump (2)
Logical, described 3rd electromagnetic valve (33) is also with the second eluent feed tube (35) connection, and described 4th electromagnetic valve (34) is also with second
Waste collection pipe (36) connects；The inlet of described digestion system (4) lower end connects with second electromagnetic valve (32) of enrichment system (3)
Logical, digestion system upper end is provided with pressure limiting valve (41), air cock (42) and purge valve (43), is additionally provided with attemperating unit (40), described
The control end of attemperating unit (40), pressure limiting valve (41), air cock (42) and purge valve (43) is connected with described control system (5).
Pretreating device for water on-line monitoring the most according to claim 1, it is characterised in that described digestion system
(4) it is pot type digestion instrument.
3. a using method for the pretreating device for water on-line monitoring described in claim 1 or 2, its feature exists
In, formerly after enrichment under Degradation Models, control system (5) controls six-way valve (1) and is switched to water sample feed tube (11), peristaltic pump
(2) the first electromagnetic valve (31), the second electromagnetic valve (32), the 4th electromagnetic valve (34) switching in rotating forward, enrichment system (3), water sample leads to
Cross water sample feed tube (11) and enter six-way valve (1), then enter enrichment system (3) by pipeline through peristaltic pump (2), through the first electromagnetism
Valve (31), the second electromagnetic valve (32) enter enriching column (30) and adsorb, by the 4th electricity in enrichment system (3) after having adsorbed
Magnet valve (34) enters the second waste collection pipe (36) and completes sample adsorption process, enters elution process, and control system (5) controls six
The first electromagnetic valve (31) in logical valve (1) switching, enrichment system (3), the 3rd electromagnetic valve (33), the 4th electromagnetic valve (34) and second
Air cock (42) in electromagnetic valve (32) switching, digestion system (4) is opened, and eluent is entered by the first eluent feed tube (12)
Entering six-way valve (1), then enter enrichment system (3) through peristaltic pump (2), in enrichment system (3), eluent is successively by the first electricity
Magnet valve (31), the 3rd electromagnetic valve (33), the 4th electromagnetic valve (34) and enriching column (30), then disappear through the second electromagnetic valve (32) entrance
Solution system (4), after a certain amount of eluent is by enriching column (30), control system (5) controls six-way valve (1) and switches, is enriched with
First electromagnetic valve (31), the second electromagnetic valve (32) switching in system (3), clearing up of digestion system is sour by clearing up acid solution feed liquor
Pipe (13) enters six-way valve (1), then through peristaltic pump (2), by the first electromagnetic valve (31) in enrichment system (3), the second electricity
Magnet valve (32) enters digestion system (4)；In liquid digestion process, the air cock (42) of digestion system (3), purge valve (43) are closed
Closing, digestion condition and time are controlled by attemperating unit (40), wait after having cleared up, control system (5) control air valve (42)
Opening, peristaltic pump (2) inverts, and six-way valve (1) switches, and liquid is by the second electromagnetic valve (32) in enrichment system (3), the first electricity
Magnet valve (31) and peristaltic pump (2) enter six-way valve (1), flow out to be measured from the liquid sample collection pipe (14) of six-way valve (1).
4. a using method for the pretreating device for water on-line monitoring described in claim 1 or 2, its feature exists
In, formerly clear up under rear Enrichment Mode, control system (5) control six-way valve (1), peristaltic pump (2), in enrichment system (3) first
The switching of electromagnetic valve (31), the second electromagnetic valve (32) and digestion system (4) Air Valve (42) are opened, and water sample passes through water sample feed tube
(11) six-way valve (1) is entered, then the first electromagnetic valve (31) in peristaltic pump (2), enrichment system (3), the second electromagnetic valve (32)
Being directly entered digestion system (4), after water sample enters certain volume, control system (5) controls six-way valve (1) switching, digestion system
Clear up acid from six-way valve (1) clear up acid solution feed tube (13) enter six-way valve (1), then through peristaltic pump (2), enrichment system
The first electromagnetic valve (31), the second electromagnetic valve (32) in system (3) are directly entered digestion system (4)；In liquid digestion process, disappear
The air cock (42) of solution system (4), purge valve (43) are closed, and digestion condition and time are controlled by attemperating unit (40), wait and disappear
After solution completes, control system (5) control air valve (42) is opened, the pH regulator liquid pH regulator liquid feed tube by six-way valve (1)
(15) six-way valve (1) is entered, then the first electromagnetic valve (31) in peristaltic pump (2), enrichment system (3), the second electromagnetic valve
(32) entering digestion system (4), after completing to clear up sample pH value regulation, control system (5) control air valve (42) is opened, is enriched with system
In system (3), the second electromagnetic valve (32), the 4th electromagnetic valve (34), the 3rd electromagnetic valve (33) and the first electromagnetic valve (31) switch, wriggle
Pump (2) inverts, and six-way valve (1) switches, and liquid flows out from digestion system (4), by the second electromagnetic valve in enrichment system (3)
(32) enter enriching column (30) to adsorb, by the 4th electromagnetic valve (34), the 3rd electromagnetic valve (33), the first electricity after having adsorbed
Magnet valve (31) and peristaltic pump (2) enter six-way valve (1) and flow out from the first waste collection pipe (16)；In elution process, control system
System (5) controls the 3rd electromagnetic valve (33), the 4th electromagnetic valve (34), the second electromagnetic valve (32) and the first electromagnetism in enrichment system (3)
Valve (31) switches, the eluent the second eluent feed tube (35) from enrichment system (3) successively through the 3rd electromagnetic valve (33), the
Four electromagnetic valves (34) enter enriching column (30), then sequentially pass through the second electromagnetic valve (32), the first electromagnetic valve (31), peristaltic pump (2)
Enter six-way valve (1), flow out from liquid sample collection pipe (14), complete the eluting after clearing up enrichment.
5. a using method for the pretreating device for water on-line monitoring described in claim 1 or 2, its feature exists
In, under pipeline-cleaning pattern, control system (5) controls digestion system (4) Air Valve (42) closedown, purge valve (43) is opened
Open, peristaltic pump (2) inverts, and cleanout fluid flows through digestion system (4) by purge valve (43) clears up pipeline, then passes through enrichment system
(3) the second electromagnetic valve (32) in, enriching column (30), the 4th electromagnetic valve (34), the 3rd electromagnetic valve (33), the first electromagnetic valve (31)
Enter six-way valve (1) through peristaltic pump (2), flow out pipeline-cleaning mistake from the first waste collection pipe (16) of six-way valve (1)
Journey.
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