CN209327054U - A kind of autotitrator - Google Patents
A kind of autotitrator Download PDFInfo
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- CN209327054U CN209327054U CN201822138650.9U CN201822138650U CN209327054U CN 209327054 U CN209327054 U CN 209327054U CN 201822138650 U CN201822138650 U CN 201822138650U CN 209327054 U CN209327054 U CN 209327054U
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- sampling
- peristaltic pump
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- pump
- solenoid valve
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Abstract
The utility model discloses a kind of autotitrators, including sampling peristaltic pump, wherein sampling peristaltic pump is connected to pure water storehouse and standard specimen storehouse by second solenoid valve；The sampling peristaltic pump other side is communicated with constant volume tube, wherein constant volume tube is connected to reaction utensil and the first solenoid valve by second node；First solenoid valve is connected to waste discharge peristaltic pump, and it is triple valve that waste discharge peristaltic pump, which is connected to waste water storehouse second node,.The utility model just controls sampling amount, and the rotary speed precision onrelevant of pump using length of pipe internal diameter specification of the method control first node at second node；It does not need to measure standard specimen flow using any sensor to reach calibration volume using the method, places sampling volume error caused by sensor element error；The check valve for not having traditional quantitative to pump is so there is no maintenance check valve problems；Standard specimen before sampling is easy contaminated, remaining bubble disturbed sampling amount these problems in sampling line from the extraordinary standard specimen that solves of rinse.
Description
Technical field
The utility model relates to a kind of titrator, in particular to a kind of autotitrator.
Background technique
In current online titrator and other online chemical titration analysis equipment, for the quantitative constant volume samapling of standard specimen
Common practice has as follows:
1. using syringe pump quantitative sampling, syringe pump first extracts standard specimen and then passes through control injection pump push rod in sampling process
Released amount control sampling amount.The cleaning of residual standard specimen is comparatively laborious in syringe pump after the every sub-sampling of the method；In addition it injects
Pump needs to be easy contaminated damage using check valve come assurance function check valve due to structural relation；Syringe pump is due to design feature
The expensive control system of cost is complicated.
2. using peristaltic pump quantitative sampling, the rotor rotating cycle of peristaltic pump is controlled in sampling process to pump out constant basis
Standard specimen.It is easy still although the method structure simply controls due to the machine of the aging pump rotor of the elastic characteristic pump line of peristaltic pump tube
Tool error causes to sample quantitative inaccuracy, and must not need to calibrate peristaltic pump seldom in order to improve precision does certain compensation.Separately
The outer peristaltic pump tube of replacement every time can all lead to being widely varied for sampling amount.
3. pumping sample using electromagnetic quantitative, the pulsation number that constant displacement pump is controlled in sampling process carrys out quantitative standard specimen.This side
Method structure, which simply controls, to be easy, but is equally existed check valve and be easy pollution damage, and the design feature of pump results in the need for usually school
Quasi- pump discharge stablizes sampling precision.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of autotitrator.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of autotitrator of the utility model, including sampling peristaltic pump, wherein
The sampling peristaltic pump is connected to pure water storehouse and standard specimen storehouse by second solenoid valve；
The sampling peristaltic pump other side is communicated with constant volume tube, wherein
The constant volume tube is connected to reaction utensil and the first solenoid valve by second node；
First solenoid valve is connected to waste discharge peristaltic pump,
The waste discharge peristaltic pump is connected to waste water storehouse.
As a kind of optimal technical scheme of the utility model, is provided between the second node and the reaction utensil
Three nodes；The bottom of the reaction utensil is equipped with agitating device.
As a kind of optimal technical scheme of the utility model, the second node is triple valve.
As a kind of optimal technical scheme of the utility model, pacify between the sampling peristaltic pump and the second solenoid valve
Equipped with first node；Fourth node is provided between the waste discharge peristaltic pump and the waste water storehouse.
The utility model beneficial effect achieved is:
1. sampling amount is just controlled using length of pipe internal diameter specification of the method control first node at second node,
With the rotary speed precision onrelevant of pump；
2. not needing to measure standard specimen flow using any sensor to reach calibration volume using the method, places and pass
Sampling volume error caused by sensor measurement error；
3. the check valve without traditional quantitative pump is so there is no maintenance check valve problems；
4. the standard specimen before sampling is easy contaminated, remaining bubble in sampling line from the extraordinary standard specimen that solves of rinse
Disturbed sampling amount these problems；
5. this sampling structure is very convenient to the cleaning on sampling road, as long as control related valves pump continuous operation, it is not required to
Want additional detergent line and mating pump valve；
6. due to not having using sensor come control amount, so the simple cost of control flow is very low reliable for operation.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 001, pure water storehouse；002, standard specimen storehouse；003, waste water storehouse
1, peristaltic pump is sampled；2, waste discharge peristaltic pump；3, the first solenoid valve；4, second solenoid valve；5, first node；6, second
Node；7, third node；8, fourth node；9, constant volume tube；10, reaction utensil；11, agitating device.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, the utility model provides a kind of autotitrator, including sampling peristaltic pump 1, wherein
Sampling peristaltic pump 1 is connected to pure water storehouse 001 and standard specimen storehouse 002 by second solenoid valve 4；It is another to sample peristaltic pump 1
Side is communicated with constant volume tube 9, wherein constant volume tube 9 is connected to reaction utensil 10 and the first solenoid valve 3 by second node 6；First electromagnetism
Valve 3 is connected to waste discharge peristaltic pump 2, and waste discharge peristaltic pump 2 is connected to waste water storehouse 003.
Further, third node 7 is provided between second node 6 and reaction utensil 10；The bottom of reaction utensil 10 is equipped with
Agitating device 11.
Specifically, second node 6 is triple valve；First node 5 is installed between sampling peristaltic pump 1 and second solenoid valve 4；
Fourth node 8 is provided between waste discharge peristaltic pump 2 and waste water storehouse 003；Peristaltic pump 1 is sampled to take out by the switching of second solenoid valve 4
Take the standard specimen in standard specimen bottle.Standard specimen is threeway by first node to the pipe of sampling peristaltic pump 1 to constant volume tube 9 to second node 6
Valve arrives fourth node 8 to the first solenoid valve 3 to waste discharge peristaltic pump 2, this is path F to waste water bottle, samples peristaltic pump 1 and waste discharge is compacted
2 continuous service standard specimens of dynamic pump are filled with path F and carry out rinse.
Second solenoid valve 4 switches after rinse, and the first solenoid valve 3 is closed, and waste discharge peristaltic pump 2 is out of service, samples compacted
Dynamic 1 starting of pump is run, and the standard specimen in pipeline at first node 5 to second node 6 is pumped into third node by threeway and passes through road
Diameter G is filled into reaction utensil 10, is then filled into reaction utensil 10 since the switching pure water of second solenoid valve 4 also extracts simultaneously.It is (real
It requires that the standard specimen after pure water dilution constant volume is added in the chemical analysis of border).
Since as long as the length of pipe specification at first node 5 to second node 6 is certain so changing constant volume tube
Volume can it is constant it is each injection reaction utensil 10 in standard specimen volume, achieve the purpose that sample constant volume.Pass through after sampling
First solenoid valve 3 and the switching pure water of second solenoid valve 4 can be with passage path F, and passage path G cleans all pipelines to prevent
Lower sub-sampling is contaminated, and the rinse process before sampling can guarantee that sampling is not polluted by other factors to greatest extent.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of autotitrator, which is characterized in that including sampling peristaltic pump (1), wherein
The sampling peristaltic pump (1) is connected to pure water storehouse (001) and standard specimen storehouse (002) by second solenoid valve (4)；
Sampling peristaltic pump (1) other side is communicated with constant volume tube (9), wherein
The constant volume tube (9) is connected to reaction utensil (10) and the first solenoid valve (3) by second node (6)；
First solenoid valve (3) is connected to waste discharge peristaltic pump (2),
The waste discharge peristaltic pump (2) is connected to waste water storehouse (003).
2. a kind of autotitrator according to claim 1, which is characterized in that the second node (6) is reacted with described
Third node (7) are provided between ware (10)；The bottom of the reaction utensil (10) is equipped with agitating device (11).
3. a kind of autotitrator according to claim 1, which is characterized in that the second node (6) is triple valve.
4. a kind of autotitrator according to claim 1 or 2 or 3, which is characterized in that the sampling peristaltic pump (1) with
First node (5) are installed between the second solenoid valve (4)；Between the waste discharge peristaltic pump (2) and the waste water storehouse (003)
It is provided with fourth node (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822138650.9U CN209327054U (en) | 2018-12-19 | 2018-12-19 | A kind of autotitrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822138650.9U CN209327054U (en) | 2018-12-19 | 2018-12-19 | A kind of autotitrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209327054U true CN209327054U (en) | 2019-08-30 |
Family
ID=67727728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822138650.9U Active CN209327054U (en) | 2018-12-19 | 2018-12-19 | A kind of autotitrator |
Country Status (1)
| Country | Link |
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| CN (1) | CN209327054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640055A (en) * | 2021-06-10 | 2021-11-12 | 上海朴维自控科技有限公司 | Method and system for sampling and fixing volume |
| WO2022062283A1 (en) * | 2020-09-24 | 2022-03-31 | 运泽惠通(北京)技术有限公司 | Apparatus for quantitatively treating liquid |
-
2018
- 2018-12-19 CN CN201822138650.9U patent/CN209327054U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062283A1 (en) * | 2020-09-24 | 2022-03-31 | 运泽惠通(北京)技术有限公司 | Apparatus for quantitatively treating liquid |
| JP7490283B2 (en) | 2020-09-24 | 2024-05-27 | ユンゼフィトン （ベイジン） テクノロジー カンパニー リミテッド | Apparatus for quantitatively processing liquids |
| CN113640055A (en) * | 2021-06-10 | 2021-11-12 | 上海朴维自控科技有限公司 | Method and system for sampling and fixing volume |
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