CN110058037A - A kind of permanganate index analyzer multifunctional multichannel sample adding device - Google Patents
A kind of permanganate index analyzer multifunctional multichannel sample adding device Download PDFInfo
- Publication number
- CN110058037A CN110058037A CN201910452572.6A CN201910452572A CN110058037A CN 110058037 A CN110058037 A CN 110058037A CN 201910452572 A CN201910452572 A CN 201910452572A CN 110058037 A CN110058037 A CN 110058037A
- Authority
- CN
- China
- Prior art keywords
- sample
- syringe pump
- reversing valve
- way reversing
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 39
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 28
- 230000001360 synchronised effect Effects 0.000 claims description 15
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 claims description 14
- 229940039790 sodium oxalate Drugs 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 239000012286 potassium permanganate Substances 0.000 claims description 3
- 238000012864 cross contamination Methods 0.000 abstract description 5
- 238000005070 sampling Methods 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 41
- 239000000523 sample Substances 0.000 description 24
- 238000004140 cleaning Methods 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- 238000004448 titration Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OQVYMXCRDHDTTH-UHFFFAOYSA-N 4-(diethoxyphosphorylmethyl)-2-[4-(diethoxyphosphorylmethyl)pyridin-2-yl]pyridine Chemical compound CCOP(=O)(OCC)CC1=CC=NC(C=2N=CC=C(CP(=O)(OCC)OCC)C=2)=C1 OQVYMXCRDHDTTH-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
Classifications
-
- 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
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1004—Cleaning sample transfer devices
-
- 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
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
- G01N35/1011—Control of the position or alignment of the transfer device
Abstract
The present invention relates to a kind of permanganate index analyzer multifunctional multichannel sample adding devices, comprising: a shell；Four groups of sample-adding units: it is installed in shell, required reagent is tested for independent add, every group of sample-adding unit includes: a syringe pump: a four-way reversing valve, four-way reversing valve is respectively equipped with pure water port input, reagent port input, sample outlet end mouth and syringe pump connectivity port, and four-way reversing valve is connect by syringe pump connectivity port with syringe pump；And a mobile feed head, mobile feed head is movably arranged in shell, and is horizontally moved in the housing, and the sample outlet end mouth of mobile feed head and four-way reversing valve connects.Compared with prior art, the present apparatus is designed using 4 channel sampling systems, effectively avoids the cross contamination between different reagents, improves experimental result data confidence level；No pipeline multiplexing, reduces multiplexing line clear cumbersome during being loaded and throws liquid stream journey, improve liquid feeding efficiency, saves analysis minute.
Description
Technical field
The present invention relates to permanganate index analyzer technical fields, and in particular to a kind of permanganate index analyzer is more
Function multi-channel loading device.
Background technique
In permanganate index analysis experiment, need that sulfuric acid or sodium hydroxide solution, Gao Meng is added in different steps
The chemical reagent such as sour potassium solution, sodium oxalate solution require height to personnel's technical ability gimmick when traditional manual method operates, are easy to appear
Be loaded the poor situation of accuracy of measurement, the depth of parallelism, and the experiment belongs to condition experiment, sample-adding amount number, speed all directly results in
The difference of measurement result, there are more apparent drawbacks.
With the research and development of self-reacting device, gradually occur replacing the dress being manually loaded using mechanical pump in the market
It sets, if CN208297438U discloses a kind of full-automatic permanganate index analysis system, is equipped with controller, including automatic sampling
Device, automatic digestion instrument, automatic sampling device include pedestal one, and pedestal one is equipped with the second turntable, and the second turntable is equipped with
Sample bottle, the top of the second turntable are equipped with third linear motion mould group, and third moves along a straight line mould group equipped with cleaning pipe, sampling
Pipe, automatic digestion instrument includes pedestal two, is successively arranged the first turntable, heating titration area, reagent bottle along two length direction of pedestal,
First turntable is equipped with reaction flask, and the top of the first turntable is equipped with second straight line and moves mould group, sets in second straight line movement mould group
There are sample-adding pipe, pure water pipe, is connected between sample-adding pipe and probe tube by peristaltic pump, the top in heating titration area is equipped with titration bar,
The reagent bottle is connect with pure water pipe, buret respectively, and pedestal two is equipped with first straight line and moves mould group, and first straight line moves mould
Group is equipped with electric gripper, but in above-mentioned apparatus, part peristaltic pump sample introduction scheme fails to thoroughly to solve wriggling pump surging to cause
Sample introduction precision problem, the scheme of syringe pump there is also pipeline cross contamination, can not automated cleaning, flow path conceptual design it is cumbersome etc.
Problem.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems and it is multi-functional more to provide a kind of permanganate index analyzer
Channel sample adding device.
The purpose of the present invention is achieved through the following technical solutions:
A kind of permanganate index analyzer multifunctional multichannel sample adding device, comprising:
One shell；
Four groups of sample-adding units: being installed in the shell, tests required reagent, every group of sample-adding list for independent add
Member includes:
One syringe pump；
One four-way reversing valve, the four-way reversing valve are respectively equipped with pure water port input, reagent port input, sample outlet end mouth
And syringe pump connectivity port, the four-way reversing valve are connect by syringe pump connectivity port with the syringe pump；And
One mobile feed head, the mobile feed head is movably arranged in shell, and is horizontally moved in the housing, described
Mobile feed head is connect with the sample outlet end mouth of the four-way reversing valve.
Further, four groups of sample-adding units include sulfuric acid solution sample-adding unit, sodium hydroxide solution sample-adding unit, height
Potassium manganate solution is loaded unit and sodium oxalate solution is loaded unit,
Pass through the reagent port input and sulfuric acid solution storage container, sodium hydroxide solution storage container, Gao Meng respectively
Sour potassium solution storage container and the connection of sodium oxalate solution storage container.
Further, the pure water port input is connect with the pure water storage container.
Further, the mobile feed head is installed in horizontal sliding module, and the horizontal sliding module is synchronous belt
Slipway mechanism.
Further, the synchronous belt slipway mechanism includes sliding rail, synchronous belt, driven wheel, driving wheel, and the sliding rail is set to
On the bottom plate of the shell, the driven wheel and driving wheel are set to the sliding rail both ends, and the synchronous belt is sheathed on described driven
For wheel on driving wheel, the mobile feed head is affixed by sliding block and synchronous belt, and does reciprocating linear along the sliding rail and move.
Further, the four-way reversing valve connection control equipment, and connect with controller communication.
Further, the syringe pump is connect with controller.
Further, the controller is PLC controller.
This sample adding device concrete operating principle is specifically to be installed on the present apparatus in permanganate index analyzer water-bath area
Portion, the accurate addition for various experiment reagents needed for experimental test process.The present apparatus is provided with four groups of sample-adding units altogether, point
It Wei sulfuric acid solution be loaded unit, sodium hydroxide solution is loaded unit, liquor potassic permanganate is loaded unit and sodium oxalate solution and adds
Sample unit, they pass through internal duct respectively and sulfuric acid solution storage container, sodium hydroxide solution storage container, potassium permanganate are molten
Liquid storage container and the connection of sodium oxalate solution storage container, sulfuric acid solution storage container, sodium hydroxide solution storage container, Gao Meng
Sour potassium solution storage container and sodium oxalate solution storage container are also installed in permanganate index analyzer, above-mentioned for storing
Reagent.The pure water port input of sample-adding unit is connect with pure water storage container, and pure water is mainly used for detergent line, tube head.
When specific test, test specimen is placed on to the water-bath area of permanganate index analyzer, mobile feed head is in shell
It can be moved linearly back and forth horizontally in vivo, reagent is accurately added in test specimen sample adding cup, the waste collection of cleaning is to useless
In liquid pool.
The present apparatus use syringe pump and four-way reversing valve cooperation, four-way reversing valve be equipped with pure water port input, reagent into
It is more to form closing, cleaning, sample introduction etc. by leading to for control four-way valve for sample port, sample outlet end mouth and syringe pump connectivity port
Kind of operating condition, and each group reagent is all made of independent syringe pump and four-way reversing valve, can not only fully ensure that sample-adding it is accurate,
Quickly control, and can completely avoid the cross contamination of reagent, and be provided with cleaning function, using every time will mobile feed head
It is rinsed, fully ensures that the precision of test.
Compared with prior art, the invention has the following advantages that
1, it is designed using 4 channel sampling systems, effectively avoids the cross contamination between different reagents, improve experimental result data
Confidence level；
2, using 4 channel independence sample introduction schemes, no pipeline multiplexing reduces multiplexing line clear cumbersome during being loaded and throws
Liquid stream journey improves liquid feeding efficiency, saves analysis minute.
3, using 4 four-way reversing valves, it is directly realized by the pure water cleaning of pipeline and syringe pump, prevents reagent after long inactivity
Full automatic cleaning systems are realized in the introducing of crystalline damage syringe pump, the structure, are manually inserted into each pipeline without user pure
Water container reduces corrosive reagents to the harm risk of human body, equipment, reduces user and use difficulty.
4, liquid flow path pipeline conceptual design is succinct, and without other additional valve bodies in all pipelines, pipeline is unified to arrange, injection
The pipeline for pumping liquid feeding times is short, and effective exercise can effectively reduce conduit failure risk caused by system motion apart from short.
Detailed description of the invention
Fig. 1 is the overall structure diagram of apparatus of the present invention；
Fig. 2 is the schematic diagram of internal structure of four groups of sample-adding units of the invention；
Fig. 3 is the partial structural diagram of present invention sample-adding unit；
Fig. 4 is the structural schematic diagram of synchronous belt slipway mechanism of the present invention；
Fig. 5 is the schematic illustration of concrete application of the present invention；
In figure: shell 1, mobile feed head 2, sulfuric acid solution sample-adding unit 3, sodium hydroxide solution are loaded unit 4, permanganic acid
Potassium solution is loaded unit 5, sodium oxalate solution sample-adding unit 6, syringe pump 7, four-way reversing valve 8, control equipment 9, driven wheel 10, same
Walk band 11, sliding rail 12, driving wheel 13.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of permanganate index analyzer multifunctional multichannel sample adding device, such as Fig. 1, comprising: a shell 1；Four groups add
Sample unit: being installed in shell 1, tests required reagent for independent add, such as Fig. 2,3, every group of sample-adding unit includes:
One syringe pump, 7: one four-way reversing valve 8, four-way reversing valve 8 are respectively equipped with pure water port input, reagent port input, sample outlet end mouth
And 7 connectivity port of syringe pump, four-way reversing valve 8 are connect by 7 connectivity port of syringe pump with syringe pump 7；An and mobile sample-adding
First 2, mobile feed head 2 is movably arranged in shell 1, and is horizontally moved within the case 1, and mobile feed head 2 commutates with four-way
The sample outlet end mouth of valve 8 connects.
Four groups of sample-adding units include sulfuric acid solution sample-adding unit 3, sodium hydroxide solution sample-adding unit 4, liquor potassic permanganate
It is loaded unit 5 and sodium oxalate solution is loaded unit 6, pass through reagent port input and sulfuric acid solution storage container, hydroxide respectively
Sodium solution storage container, liquor potassic permanganate storage container and the connection of sodium oxalate solution storage container.Pure water port input with it is pure
The connection of water storage container.
Such as Fig. 4, mobile feed head 2 is installed in horizontal sliding module, and horizontal sliding module is synchronous belt slipway mechanism.Together
Step band slipway mechanism includes sliding rail 12, synchronous belt 11, driven wheel 10, driving wheel 13, and sliding rail 12 is set on the bottom plate of shell 1, from
Driving wheel 10 and driving wheel 13 are set to 12 both ends of sliding rail, and synchronous belt 11 is sheathed on driven wheel 10 and driving wheel 13, mobile feed head 2
It is affixed by sliding block and synchronous belt 11, and do reciprocating linear along sliding rail 12 and move.The connection control equipment 9 of four-way reversing valve 8, and with
Controller communication connection.Syringe pump 7 is connect with controller.Controller is PLC controller.
Such as Fig. 5, the present apparatus is specifically installed on to permanganate index analyzer water-bath area top, is used for experimental test process
The accurate addition of required various experiment reagents.The present apparatus is provided with four groups of sample-adding units altogether, and respectively sulfuric acid solution sample-adding is single
Member, sodium hydroxide solution sample-adding unit, liquor potassic permanganate sample-adding unit and sodium oxalate solution are loaded unit, they pass through respectively
Internal duct and sulfuric acid solution storage container, sodium hydroxide solution storage container, liquor potassic permanganate storage container and sodium oxalate
Solution storage vessel connection, sulfuric acid solution storage container, sodium hydroxide solution storage container, liquor potassic permanganate storage container and
Sodium oxalate solution storage container is also installed in permanganate index analyzer, for storing mentioned reagent.It is loaded the pure of unit
Water port input is connect with pure water storage container, and pure water is mainly used for detergent line, tube head.
When specific test, test specimen is placed on to the water-bath area of permanganate index analyzer, mobile feed head is in shell
It can be moved linearly back and forth horizontally in vivo, reagent is accurately added in test specimen sample adding cup, the waste collection of cleaning is to useless
In liquid pool.The present apparatus uses the cooperation of syringe pump and four-way reversing valve, and four-way reversing valve is equipped with pure water port input, reagent sample introduction
It is a variety of to form closing, cleaning, sample introduction etc. by leading to for control four-way valve for port, sample outlet end mouth and syringe pump connectivity port
Operating condition, and each group reagent is all made of independent syringe pump and four-way reversing valve, can not only fully ensure that the accurate, fast of sample-adding
Speed control, and can completely avoid the cross contamination of reagent, and be provided with cleaning function, every time using will mobile feed head into
Row rinses, and fully ensures that the precision of test.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (8)
1. a kind of permanganate index analyzer multifunctional multichannel sample adding device characterized by comprising
One shell (1)；
Four groups of sample-adding units: being installed in the shell (1), tests required reagent, every group of sample-adding list for independent add
Member includes:
One syringe pump (7)；
One four-way reversing valve (8), the four-way reversing valve (8) are respectively equipped with pure water port input, reagent port input, sample outlet end
Mouth and syringe pump (7) connectivity port, the four-way reversing valve (8) pass through syringe pump (7) connectivity port and the syringe pump (7)
Connection；And
One mobile feed head (2), the mobile feed head (2) are movably arranged in shell (1), and level is carried out in shell (1)
Mobile, the mobile feed head (2) connect with the sample outlet end mouth of the four-way reversing valve (8).
2. a kind of permanganate index analyzer multifunctional multichannel sample adding device according to claim 1, feature exist
It include that sulfuric acid solution sample-adding unit (3), sodium hydroxide solution sample-adding unit (4), potassium permanganate are molten in, four groups of sample-adding units
Liquid is loaded unit (5) and sodium oxalate solution sample-adding unit (6),
Pass through the reagent port input and sulfuric acid solution storage container, sodium hydroxide solution storage container, potassium permanganate respectively
Solution storage vessel and the connection of sodium oxalate solution storage container.
3. a kind of permanganate index analyzer multifunctional multichannel sample adding device according to claim 1, feature exist
In the pure water port input is connect with the pure water storage container.
4. a kind of permanganate index analyzer multifunctional multichannel sample adding device according to claim 1, feature exist
In the mobile feed head (2) is installed in horizontal sliding module, and the horizontal sliding module is synchronous belt slipway mechanism.
5. a kind of permanganate index analyzer multifunctional multichannel sample adding device according to claim 4, feature exist
In, the synchronous belt slipway mechanism include sliding rail (12), synchronous belt (11), driven wheel (10), driving wheel (13),
The sliding rail (12) is set on the bottom plate of the shell (1), and the driven wheel (10) and driving wheel (13) are set to the cunning
Rail (12) both ends, the synchronous belt (11) are sheathed on the driven wheel (10) and driving wheel (13), the mobile feed head (2)
It is affixed by sliding block and synchronous belt (11), and reciprocating linear movement is done along the sliding rail (12).
6. a kind of permanganate index analyzer multifunctional multichannel sample adding device according to claim 1, feature exist
In, four-way reversing valve (8) connection control equipment (9), and connect with controller communication.
7. a kind of permanganate index analyzer multifunctional multichannel sample adding device according to claim 6, feature exist
In the syringe pump (7) connect with controller.
8. a kind of permanganate index analyzer multifunctional multichannel sample adding device according to claim 6, feature exist
In the controller is PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452572.6A CN110058037A (en) | 2019-05-28 | 2019-05-28 | A kind of permanganate index analyzer multifunctional multichannel sample adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452572.6A CN110058037A (en) | 2019-05-28 | 2019-05-28 | A kind of permanganate index analyzer multifunctional multichannel sample adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110058037A true CN110058037A (en) | 2019-07-26 |
Family
ID=67324865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910452572.6A Pending CN110058037A (en) | 2019-05-28 | 2019-05-28 | A kind of permanganate index analyzer multifunctional multichannel sample adding device |
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| Country | Link |
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| CN (1) | CN110058037A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246293A (en) * | 2020-08-31 | 2021-01-22 | 中国原子能科学研究院 | Shielding precision injection pump |
| CN112427420A (en) * | 2020-11-26 | 2021-03-02 | 广州达晖生物技术股份有限公司 | Self-cleaning supply system for chromosome harvesting equipment |
| CN113008788A (en) * | 2019-12-20 | 2021-06-22 | 恩德莱斯和豪瑟尔分析仪表两合公司 | Method of operating an analyzer for determining permanganate index and analyzer |
| CN113311177A (en) * | 2020-09-25 | 2021-08-27 | 上海安杰环保科技股份有限公司 | Full-automatic chemical oxygen demand analyzer based on different liquid transfer flow paths |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112427420A (en) * | 2020-11-26 | 2021-03-02 | 广州达晖生物技术股份有限公司 | Self-cleaning supply system for chromosome harvesting equipment |
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