CN104897820A - On-line sample dilution and neutralization test device - Google Patents
On-line sample dilution and neutralization test device Download PDFInfo
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- CN104897820A CN104897820A CN201510265042.2A CN201510265042A CN104897820A CN 104897820 A CN104897820 A CN 104897820A CN 201510265042 A CN201510265042 A CN 201510265042A CN 104897820 A CN104897820 A CN 104897820A
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Abstract
The invention discloses an on-line sample dilution and neutralization test device which consists of a dilution device, a neutralizer, an instruction control device, a silica gel pipe and a control line, wherein an ultrapure water storage bottle and a sample bottle are connected to a peristaltic pump, an injection pump, a three-way mixer, an electric two-position four-way valve, a three-way mixer and the neutralizer through the dilution silica gel pipe; a control box is connected with the peristaltic pump, the injection pump, the three-way mixer, the electric two-position four-way valve and the neutralizer through the control main line in a control manner; automatic sample dilution and sample neutralization are completed on line through a pipeline and a circuit; samples are provided for a chromatographic analysis system to complete analysis. According to the on-line sample dilution and neutralization test device, the problem caused by ion pollution of an existing neutralization method is effectively solved; no suction pipe or no volumetric flask is used in the whole neutralization process any more, so that the pollution source is reduced, a precise value of experimental data measurement is guaranteed, and a reliable test condition is provided for research on ion chromatographic analysis of snow and ice samples.
Description
Technical field
The present invention relates to technical field of analytical chemistry, be specifically related to a kind of on-line sample dilution neutralization test device.
Background technology
During for soda acid sample analysis; highly acid or strong basicity sample usually can impact analysis results; or the selection of impact analysis method; so analyze again after must neutralizing sample; tradition neutralization method is chemical neutralization method or resin neutralisation; can ionic soil be introduced in the process implemented, the result of sample to be analyzed be impacted, makes result higher.
Some sample potential of hydrogen are higher and treat in sample that the concentration of measured ion is higher, analyze again after needing dilution, operate when off-line analysis cumbersome, if the suction pipe used in dilution or volumetric flask pollute or do not have wash clean, will directly cause the change of the sample concentration after diluting.
Summary of the invention
Object of the present invention provides a kind of on-line sample to dilute neutralization test device exactly for solving the problem.
Object of the present invention can be reached by following measures:
A kind of on-line sample dilution neutralization test device, by ultrapure water storage bottle, sample storage bottle, peristaltic pump I, syringe pump, peristaltic pump II, threeway mixer, electronic two position four-way valves I, neutralizer, electronic two position four-way valves II, control box, silicone tube, main control line and chromatographic analysis system form, and ultrapure water storage bottle is communicated with peristaltic pump I, peristaltic pump II respectively by silicone tube; Peristaltic pump I is communicated with threeway mixer; Threeway mixer is communicated with electronic two position four-way valves I; Electronic two position four-way valves I are communicated with electronic two position four-way valves II; Electronic two position four-way valves II are communicated with chromatographic analysis system with neutralizer respectively;
Sample storage bottle is communicated with syringe pump by silicone tube; Syringe pump is communicated with electronic two position four-way valves I; Electronic two position four-way valves I are communicated with electronic two position four-way valves II with threeway mixer respectively; Electronic two position four-way valves II are communicated with chromatographic analysis system with neutralizer respectively;
Control box by main control line respectively with peristaltic pump I, syringe pump, peristaltic pump II, threeway mixer, electronic two position four-way valves I, neutralizer, electronic two position four-way valves II connect.
Above-mentioned control box is provided with timing display screen and instruction supervisory keyboard.
The external blow-off pipe of above-mentioned neutralizer.
Advantage of the present invention and beneficial effect are:
1, the present invention have employed neutralizer, efficiently solve existing neutralisation and can introduce the problem that ionic soil causes, suction pipe or volumetric flask is not re-used in whole N-process, so decrease pollution source, thus ensure the exact value that experimental data is measured, for research snow and ice ion chromatography provides reliable test condition.
2, structure of the present invention is simple, easy to operate, practical, cost is low, in ice core sample analytical tests, the switching by on-line dilution sample and by control circuit and four-way valve carrys out choice for use Sample Dilution function, reduces and treats in sample that the concentration samples potential of hydrogen of measured ion is polluted.
3, the present invention is reasonable in design, during for soda acid sample analysis, in online and sample by neutralizer and function and circuit control device, improve the accurate control of analyzing sample size and reduce the higher error of laboratory sample result.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: electronic two position four-way valves I of 1-ultrapure water storage bottle, 2-sample storage bottle, 3-peristaltic pump I, 4-syringe pump, 5-peristaltic pump II, 6-threeway mixer, 7-, 8-neutralizer, electronic two position four-way valves II of 9-, 10-control box, 11-silicone tube, 12-main control line, 13-chromatographic analysis system, 14-blow-off pipe, 15-timing display screen, 16-instruction supervisory keyboard.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further:
As shown in Figure 1, a kind of on-line sample dilution neutralization test device, by ultrapure water storage bottle 1, sample storage bottle 2, peristaltic pump I 3, syringe pump 4, peristaltic pump II 5, threeway mixer 6, electronic two position four-way valves I 7, neutralizer 8, electronic two position four-way valves II 9, control box 10, silicone tube 11, main control line 12 and chromatographic analysis system 13 form, and ultrapure water storage bottle 1 is communicated with peristaltic pump I 3, peristaltic pump II 5 respectively by silicone tube 11; Peristaltic pump I 3 is communicated with threeway mixer 6; Threeway mixer 6 is communicated with electronic two position four-way valves I 7; Electronic two position four-way valves I 7 are communicated with electronic two position four-way valves II 9; Electronic two position four-way valves II 9 are communicated with chromatographic analysis system 13 with neutralizer 8 respectively; Sample storage bottle 2 is communicated with syringe pump 4 by silicone tube 11; Syringe pump 4 is communicated with electronic two position four-way valves I 7; Electronic two position four-way valves I 7 are communicated with electronic two position four-way valves II 9 with threeway mixer 6 respectively; Electronic two position four-way valves II 9 are communicated with chromatographic analysis system 13 with neutralizer 8 respectively;
Control box 10 by main control line 12 respectively with peristaltic pump I 3, syringe pump 4, peristaltic pump II 5, threeway mixer 6, electronic two position four-way valves I 7, neutralizer 8, electronic two position four-way valves II 9 connect.
Control box 10 is provided with timing display screen 15 and instruction supervisory keyboard 16; The external blow-off pipe 14 of neutralizer 8.
Embodiment
This device has three kinds of mode of operations: use simultaneously dilution with in and function, only use dilution function, only use in and function, below separate introduction:
Simultaneously use dilution with in and function time, all parts all participate in action, pure water from ultrapure water storage bottle 1 is transported to threeway mixer 6 by peristaltic pump I 3 by the flow that controller 10 sets, sample meanwhile in sample storage bottle 2, flow is set by the instruction supervisory keyboard 16 on controller 10, send instruction through main control line 12, to syringe pump 4, the sample in sample storage bottle 2 is transported to threeway mixer 6 by the flow sample of specifying, pure water and sample again enter electronic two position four-way valves II 9 by electronic two position four-way valves I 7 after threeway mixer 6 mixed diluting, electronic two position four-way valves II 9 are connected with neutralizer 8, the neutralization chamber that dilute sample enters neutralizer 8 realizes neutralization, dilution, sample after neutralization returns electronic two position four-way valves II 9, finally enter chromatographic analysis system 13, carry out sample analysis, pure water simultaneously in ultrapure water storage bottle 1 is realized the automatic regeneration of neutralizer by the regeneration room that the flow that controller 10 sets is transported to neutralizer 8 by peristaltic pump II 5, the waste liquid produced is discharged by blow-off pipe 14.
When only using dilution function, neutralizer 8 does not participate in work, pure water from ultrapure water storage bottle 1 is transported to threeway mixer 6 by peristaltic pump I 3 by the flow that controller 10 sets, the flow that meanwhile sample of sample storage bottle 2 is set by controller 10 by syringe pump 4 is transported to threeway mixer 6 through electronic two position four-way valves I 7, pure water and sample again enter electronic two position four-way valves II 9 by electronic two position four-way valves I 7 after threeway mixer 6 mixed diluting, now electronic two position four-way valves II 9 are disconnected with neutralizer 8, sample does not directly enter chromatographic analysis system 13 by neutralizer 8, carry out sample analysis.
Time in only using with function, syringe pump 4 is by the instruction supervisory keyboard 16 operating and setting flow on controller 10, by the sample delivery in sample storage bottle 2 to electronic two position four-way valves I 7, now electronic two position four-way valves I 7 are disconnected with threeway mixer 6, the neutralization chamber that sample directly enters neutralizer 8 through electronic two position four-way valves II 9 realizes neutralization, sample after neutralization is got back to electronic two position four-way valves II 9 and is entered chromatographic analysis system 13 again, carry out sample analysis, pure water simultaneously in ultrapure water storage bottle 1 is realized the automatic regeneration of neutralizer by the regeneration room that the flow that controller 10 sets is transported to neutralizer 8 by peristaltic pump II 5, the waste liquid produced is discharged by blow-off pipe 14.
Control circuit 10 completes the conveying of pure water, sample by main control line 12, the control content of control circuit 10 comprise the start and stop of peristaltic pump I 3 and flow regulation, syringe pump 4 start and stop and flow regulation, the start and stop of peristaltic pump II 5 and the bilateral of flow regulation, electronic two position four-way valves I 7 and electronic two position four-way valves II 9 switches, the current switching of neutralizer 8.
The setting of controller 10 instruction is all completed by instruction supervisory keyboard 16.
Claims (3)
1. an on-line sample dilution neutralization test device, by ultrapure water storage bottle (1), sample storage bottle (2), peristaltic pump I (3), syringe pump (4), peristaltic pump II (5), threeway mixer (6), electronic two position four-way valves I (7), neutralizer (8), electronic two position four-way valves II (9), control box (10), silicone tube (11), main control line (12) and chromatographic analysis system (13) form, and it is characterized in that:
Ultrapure water storage bottle (1) is communicated with peristaltic pump I (3), peristaltic pump II (5) respectively by silicone tube (11); Peristaltic pump I (3) is communicated with threeway mixer (6); Threeway mixer (6) is communicated with electronic two position four-way valves I (7); Electronic two position four-way valves I (7) are communicated with electronic two position four-way valves II (9); Electronic two position four-way valves II (9) are communicated with chromatographic analysis system (13) with neutralizer (8) respectively;
Sample storage bottle (2) is communicated with syringe pump (4) by silicone tube (11); Syringe pump (4) is communicated with electronic two position four-way valves I (7); Electronic two position four-way valves I (7) are communicated with electronic two position four-way valves II (9) with threeway mixer (6) respectively; Electronic two position four-way valves II (9) are communicated with chromatographic analysis system (13) with neutralizer (8) respectively;
Control box (10) by main control line (12) respectively with peristaltic pump I (3), syringe pump (4), peristaltic pump II (5), threeway mixer (6), electronic two position four-way valves I (7), neutralizer (8), electronic two position four-way valves II (9) connect.
2. a kind of on-line sample dilution neutralization test device according to claim 1, is characterized in that: described control box (10) is provided with timing display screen (15) and instruction supervisory keyboard (16).
3. a kind of on-line sample dilution neutralization test device according to claim 1, is characterized in that: described neutralizer (8) external blow-off pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510265042.2A CN104897820B (en) | 2015-05-22 | 2015-05-22 | On-line sample dilution and neutralization test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510265042.2A CN104897820B (en) | 2015-05-22 | 2015-05-22 | On-line sample dilution and neutralization test device |
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| CN104897820A true CN104897820A (en) | 2015-09-09 |
| CN104897820B CN104897820B (en) | 2017-01-25 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784883A (en) * | 2016-04-28 | 2016-07-20 | 中国科学院寒区旱区环境与工程研究所 | Online sample diluting experiment device |
| CN106153782A (en) * | 2016-08-30 | 2016-11-23 | 中国科学院寒区旱区环境与工程研究所 | A kind of online neutralization test device |
| CN106153965A (en) * | 2016-08-30 | 2016-11-23 | 中国科学院寒区旱区环境与工程研究所 | A kind of neutralization concentration test device |
| CN106168628A (en) * | 2016-08-30 | 2016-11-30 | 中国科学院寒区旱区环境与工程研究所 | With concentration test device in a kind of sea water |
| CN106198150A (en) * | 2016-08-30 | 2016-12-07 | 中国科学院寒区旱区环境与工程研究所 | A kind of sample for chemical analysis comprehensive pretreatment instrument |
| CN106324267A (en) * | 2016-08-30 | 2017-01-11 | 中国科学院寒区旱区环境与工程研究所 | Online concentration test device for snow ice samples of polar region |
| CN108572103A (en) * | 2017-03-07 | 2018-09-25 | 中国科学院寒区旱区环境与工程研究所 | A kind of laboratory standard solution preparation device |
| CN109313168A (en) * | 2016-05-05 | 2019-02-05 | 沃特世科技公司 | Method and apparatus for injecting chromatographic sample |
| US11061003B2 (en) | 2016-05-05 | 2021-07-13 | Waters Technologies Corporation | Method and apparatus for injecting a chromatographic sample |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3649218A (en) * | 1968-05-08 | 1972-03-14 | Coulter Electronics | Method for preparing metered liquid sample dilutions |
| US4070913A (en) * | 1976-08-31 | 1978-01-31 | Phillips Petroleum Company | Sample dilution |
| US20050037517A1 (en) * | 2003-08-15 | 2005-02-17 | Metara Inc. | Loop dilution system |
| CN200952647Y (en) * | 2006-05-30 | 2007-09-26 | 朱勇强 | Primary liquid on-line continuous diluting and adding device |
| CN201089738Y (en) * | 2007-09-11 | 2008-07-23 | 太平洋水处理工程有限公司 | Automatic on-line proportion dilution device |
| CN201364291Y (en) * | 2008-12-18 | 2009-12-16 | 杭州鼎利环保科技有限公司 | On-line constant-volume diluter |
| CN103091152A (en) * | 2013-02-21 | 2013-05-08 | 广州伊创仪器有限公司 | Intelligent dilution system and intelligent dilution method for on-line analyzer |
| CN103852369A (en) * | 2014-03-24 | 2014-06-11 | 深圳市清时捷科技有限公司 | Diluting device and method |
| CN204613167U (en) * | 2015-05-22 | 2015-09-02 | 中国科学院寒区旱区环境与工程研究所 | A kind of on-line sample dilution neutralization test device |
-
2015
- 2015-05-22 CN CN201510265042.2A patent/CN104897820B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3649218A (en) * | 1968-05-08 | 1972-03-14 | Coulter Electronics | Method for preparing metered liquid sample dilutions |
| US4070913A (en) * | 1976-08-31 | 1978-01-31 | Phillips Petroleum Company | Sample dilution |
| US20050037517A1 (en) * | 2003-08-15 | 2005-02-17 | Metara Inc. | Loop dilution system |
| CN200952647Y (en) * | 2006-05-30 | 2007-09-26 | 朱勇强 | Primary liquid on-line continuous diluting and adding device |
| CN201089738Y (en) * | 2007-09-11 | 2008-07-23 | 太平洋水处理工程有限公司 | Automatic on-line proportion dilution device |
| CN201364291Y (en) * | 2008-12-18 | 2009-12-16 | 杭州鼎利环保科技有限公司 | On-line constant-volume diluter |
| CN103091152A (en) * | 2013-02-21 | 2013-05-08 | 广州伊创仪器有限公司 | Intelligent dilution system and intelligent dilution method for on-line analyzer |
| CN103852369A (en) * | 2014-03-24 | 2014-06-11 | 深圳市清时捷科技有限公司 | Diluting device and method |
| CN204613167U (en) * | 2015-05-22 | 2015-09-02 | 中国科学院寒区旱区环境与工程研究所 | A kind of on-line sample dilution neutralization test device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784883A (en) * | 2016-04-28 | 2016-07-20 | 中国科学院寒区旱区环境与工程研究所 | Online sample diluting experiment device |
| CN109313168A (en) * | 2016-05-05 | 2019-02-05 | 沃特世科技公司 | Method and apparatus for injecting chromatographic sample |
| US11061003B2 (en) | 2016-05-05 | 2021-07-13 | Waters Technologies Corporation | Method and apparatus for injecting a chromatographic sample |
| US11105778B2 (en) | 2016-05-05 | 2021-08-31 | Waters Technologies Corporation | Method and apparatus for injecting a chromatographic sample |
| CN109313168B (en) * | 2016-05-05 | 2022-05-27 | 沃特世科技公司 | Method and apparatus for injecting chromatographic samples |
| CN106153782A (en) * | 2016-08-30 | 2016-11-23 | 中国科学院寒区旱区环境与工程研究所 | A kind of online neutralization test device |
| CN106153965A (en) * | 2016-08-30 | 2016-11-23 | 中国科学院寒区旱区环境与工程研究所 | A kind of neutralization concentration test device |
| CN106168628A (en) * | 2016-08-30 | 2016-11-30 | 中国科学院寒区旱区环境与工程研究所 | With concentration test device in a kind of sea water |
| CN106198150A (en) * | 2016-08-30 | 2016-12-07 | 中国科学院寒区旱区环境与工程研究所 | A kind of sample for chemical analysis comprehensive pretreatment instrument |
| CN106324267A (en) * | 2016-08-30 | 2017-01-11 | 中国科学院寒区旱区环境与工程研究所 | Online concentration test device for snow ice samples of polar region |
| CN108572103A (en) * | 2017-03-07 | 2018-09-25 | 中国科学院寒区旱区环境与工程研究所 | A kind of laboratory standard solution preparation device |
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|---|---|
| CN104897820B (en) | 2017-01-25 |
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Effective date of registration: 20200814 Address after: 730000 No.318, Donggang West Road, Chengguan District, Lanzhou City, Gansu Province Patentee after: NORTHWEST INSTITUTE OF ECO-ENVIRONMENT AND RESOURCES, CAS Address before: 730000 Gansu city of Lanzhou province Donggang West Road No. 320 Patentee before: Institute of environment and Engineering in cold and dry areas, Chinese Academy of Sciences |
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