CN208313682U - A kind of volume fixing device for automatic dilution - Google Patents
A kind of volume fixing device for automatic dilution Download PDFInfo
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- CN208313682U CN208313682U CN201820894015.0U CN201820894015U CN208313682U CN 208313682 U CN208313682 U CN 208313682U CN 201820894015 U CN201820894015 U CN 201820894015U CN 208313682 U CN208313682 U CN 208313682U
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- bottle
- constant volume
- mother liquor
- dilution
- valve
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Abstract
The utility model provides a kind of volume fixing device for automatic dilution, including constant volume bottle, mother liquor input port is equipped on constant volume bottle, thinned water inputs nozzle, overflow port；It is respectively used to be connected with mother liquor input circuit, dilution bottle, waste fluid container；The pipeline connecting with thinned water input nozzle is equipped with peristaltic pump, and the pipeline connecting with mother liquor input port is equipped with titration pump；Constant volume bottom of bottle portion is provided with outlet, outlet is parallel with purge valve, sampling valve, drain pinch valve respectively；Purge valve couples with stirring air pump, and sampling valve can couple with detecting instrument, and drain pinch valve couples with removal waste fluid mouth.The utility model is the critical component of automatic dilution experimental rig, is an important factor for influencing constant volume accuracy.The cross contamination in dilution can be reduced.It can be used cooperatively with automatic water quality monitoring instrument automatic verification system, using flexible, laboratory and scene can be met with liquid need of work.
Description
Technical field
The utility model belongs to capacity measurement technical field, and in particular to a kind of volume fixing device for automatic dilution.
Background technique
Stoichiometry, environment metering and chemical analysis detection work in, solution preparation be influence detection work accurately with
No important step, traditional analytical and detecting work is using dilution by hand, time-consuming and laborious, individual's warp dependent on staff
It tests, it is therefore desirable to develop a kind of automatic dilution device, wherein volume fixing device is critical component, is the important of influence constant volume accuracy
Factor.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of volume fixing device for automatic dilution, it can be used for automatic dilution
Experimental rig, it is possible to reduce the cross contamination in dilution.
The technical solution of the utility model is as follows: a kind of volume fixing device for automatic dilution, including constant volume bottle, in constant volume
Bottle is equipped with mother liquor input port, thinned water inputs nozzle, overflow port；It is respectively used to and mother liquor input circuit, dilution bottle, useless
Liquid container is connected；
The pipeline that input nozzle connect with thinned water is described to connect with mother liquor input port equipped with peristaltic pump
Pipeline is equipped with titration pump；
Constant volume bottom of bottle portion is provided with outlet, outlet is parallel with purge valve, sampling valve, drain pinch valve respectively；It blows
Air valve couples with stirring air pump, and sampling valve can couple with detecting instrument, and drain pinch valve couples with removal waste fluid mouth；
Further, mother liquor input nozzle is arranged above constant volume bottle bottleneck intermediate, does not contact with wall in constant volume bottle, and
On liquid level；Thinned water pipe immerses dilution bottle liquid level bottom, and for waste liquid nozzle then in waste liquid bottle ullage, dilution liquid can
To be water, it is also possible to other solvents；
Further, the constant volume bottle is quartzy or organic glass material,
It further, further include U-shaped connecting tube, liquid level detector, using U-tube equipotential principle, detection is held under normal pressure
The liquid level of measuring bottle keeps each thinned water volume consistent, guarantee thinned water constant volume it is accurate and reliable with it is consistent.
The working principle of the volume fixing device for automatic dilution of the utility model is as follows: mother liquid multi-cavity bottle is by titration pump and determines
Holding bottle to be connected, dilution bottle is connected by peristaltic pump with constant volume bottle,
Stirring air pump can mix the solution after dilution constant volume by purge valve, be entered by air, in solution
The middle bubble (Air Bubble Size and intensity can be adjusted by setting air mass flow, moderate to be advisable) for forming a certain size make mother liquor with it is dilute
It releases and is sufficiently mixed with water, achieve the purpose that mixing；
The workflow of the utility model is as follows:
One, constant volume bottle overflow port solenoid valve, solution delivery outlet solenoid valve and blender gas are closed and is passed through solenoid valve, according to setting
Decimation in time dilution liquid, until be more than overflow port, if it exceeds it is more, setting time can be reduced.It stands after a certain period of time, overflows
Head piece solenoid valve is opened, and the thinned water more than overflow port is discharged through sewer pipe, rear to close overflow port solenoid valve.
Two, mother liquor is pipetted to constant volume bottle by titrating pump, blender gas is passed through solenoid valve opening, and air passes through aspiration pump, warp
Blender gas solenoid valve, certain time are passed through air into solution, mix well solution.Gas flow is adjustable to be set
Set, it is excessive it is too small be not suitable for, cross ambassador's constant volume bottle in solution splash, it is too small, mixing purpose is not achieved.After close blender gas
It is passed through solenoid valve.Certain time is stood, for use.
Three, after the completion of solution is prepared, solenoid valve is closed above solution efferent duct.In use, needing to open solution delivery outlet
Solenoid valve, solution side are flowed out from outlet, turn off solution output after the completion.
Generally, it is proposed that use after a certain period of time, need to verify constant volume using gravimetric method, and to constant volume body
Product is corrected, and guarantees that solution dilutes accuracy.It is as follows that constant volume corrects operating method:
Constant volume bottle is full of with pure water, the pure water that will be above overflow port overflows, manually will be remaining after standing a period of time
Pure water is put in load weighted volumetric flask, then weighing bottle+water weight, subtracts each other the weight being filled with water as this constant volume bottle twice,
The volume of constant volume bottle can be calculated according to density correction values with its solution temperature of high accuracy number thermometer measure.It repeats above-mentioned
Step n times (n >=7), calculate its average value, as the empty volume for holding bottle, input as normal volume.Further increase sky
The accuracy of volume product.
The suitable concentration of mother liquor, extension rate are generally advisable at 10~1000 times, and accuracy is can be controlled within 2%.
The beneficial effects of the utility model are as follows:
It can be used for the experimental rig of automatic dilution, it is possible to reduce the cross contamination in dilution.It can be supervised automatically with water quality
It surveys instrument automatic verification system to be used cooperatively, using flexible, laboratory and scene can be met with liquid need of work.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model
Drawing reference numeral explanation: 1 probe tube, 2 constant volume bottles, 4 stirring air pumps, 5 drain pinch valves, 6 titration pumps, 8 peristaltic pumps, 9
Mother liquid multi-cavity bottle, 10 dilution bottles, 11 liquid level detectors, 12 purge valves, 13 sampling valves, 14 removal waste fluid mouths.
Specific embodiment
Specific embodiment of the utility model is described in detail with reference to the accompanying drawing, as shown, a kind of for certainly
Diluted volume fixing device, including constant volume bottle 2 are moved, mother liquor input port is equipped on constant volume bottle 2, thinned water inputs nozzle, overflow
Mouthful；It is respectively used to be connected with mother liquor input circuit, dilution bottle, waste fluid container；
The pipeline that described and dilution liquid inputs nozzle connection is equipped with peristaltic pump, described to connect with mother liquor input port
Pipeline is equipped with titration pump；
2 bottom of constant volume bottle is provided with outlet, outlet is parallel with purge valve 12, sampling valve 13, drain clamp respectively
Valve 5；Purge valve 12 couples with stirring air pump 4, and sampling valve 13 can couple with the probe tube 1 of detecting instrument, drain pinch valve 5 and row
Waste liquid port 14 couples；
Mother liquor input nozzle does not contact, and on liquid level among being arranged above constant volume bottle bottleneck with wall in constant volume bottle；
The constant volume bottle is quartzy or organic glass material,
It further include U-shaped connecting tube liquid level detector 11, using U-tube equipotential principle, the liquid of measurement capacity bottle under normal pressure
Position, keep each thinned water volume consistent, guarantee thinned water constant volume it is accurate and reliable with it is consistent.
The working principle of the volume fixing device for automatic dilution of the utility model is as follows: mother liquid multi-cavity bottle 9 by titration pump 6 with
Constant volume bottle 2 is connected, and dilution bottle 10 is connected by peristaltic pump 8 with constant volume bottle 2,
Stirring air pump 4 can mix the solution after dilution constant volume by purge valve 12, be entered by air, molten
Formed in liquid a certain size bubble (Air Bubble Size and intensity can be adjusted by setting air mass flow, moderate to be advisable) make mother liquor with
Thinned water is sufficiently mixed, and achievees the purpose that mixing；
The workflow of the utility model is as follows:
One, constant volume bottle overflow port solenoid valve, solution delivery outlet solenoid valve and blender gas are closed and is passed through solenoid valve, according to setting
Decimation in time dilution liquid, until be more than overflow port, if it exceeds it is more, setting time can be reduced.It stands after a certain period of time, overflows
Head piece solenoid valve is opened, and the thinned water more than overflow port is discharged through sewer pipe, rear to close overflow port solenoid valve.
Two, mother liquor is pipetted to constant volume bottle by titrating pump, blender gas is passed through solenoid valve opening, and air passes through aspiration pump, warp
Blender gas solenoid valve, certain time are passed through air into solution, mix well solution.Gas flow is adjustable to be set
Set, it is excessive it is too small be not suitable for, cross ambassador's constant volume bottle in solution splash, it is too small, mixing purpose is not achieved.After close blender gas
It is passed through solenoid valve.Certain time is stood, for use.
Three, after the completion of solution is prepared, solenoid valve is closed above solution efferent duct.In use, needing to open solution delivery outlet
Solenoid valve, solution side are flowed out from outlet, turn off solution output after the completion.
Generally, it is proposed that use after a certain period of time, need to verify constant volume using gravimetric method, and to constant volume body
Product is corrected, and guarantees that solution dilutes accuracy.It is as follows that constant volume corrects operating method:
Constant volume bottle is full of with pure water, the pure water that will be above overflow port overflows, manually will be remaining after standing a period of time
Pure water is put in load weighted volumetric flask, then weighing bottle+water weight, subtracts each other the weight being filled with water as this constant volume bottle twice,
The volume of constant volume bottle can be calculated according to density correction values with its solution temperature of high accuracy number thermometer measure.It repeats above-mentioned
Step n times (n >=7), calculate its average value, as the empty volume for holding bottle, input as normal volume.Further increase sky
The accuracy of volume product.
The suitable concentration of mother liquor, extension rate are generally advisable at 10~1000 times, and accuracy is can be controlled within 2%.
It is that illustrative description has been carried out to the utility model above, it is clear that the realization of the utility model is not by above-mentioned side
The limitation of formula, as long as using the various improvement that technical solutions of the utility model carry out, or not improved by the utility model
Conception and technical scheme directly apply to other occasions, within the protection scope of the present utility model.
Claims (4)
1. a kind of volume fixing device for automatic dilution, which is characterized in that including constant volume bottle, be equipped with mother liquor on constant volume bottle and input
Mouth, thinned water input nozzle, overflow port；It is respectively used to be connected with mother liquor input circuit, dilution bottle, waste fluid container；
The pipeline that input nozzle connect with thinned water is equipped with peristaltic pump, on the pipeline connecting with mother liquor input port
It is pumped equipped with titration；
Constant volume bottom of bottle portion is provided with outlet, outlet is parallel with purge valve, sampling valve, drain pinch valve respectively；Purge valve
Couple with stirring air pump, sampling valve can couple with detecting instrument, and drain pinch valve couples with removal waste fluid mouth.
2. a kind of volume fixing device for automatic dilution according to claim 1, which is characterized in that mother liquor input nozzle is set
It sets among above constant volume bottle bottleneck, is not contacted with wall in constant volume bottle, and on liquid level.
3. a kind of volume fixing device for automatic dilution according to claim 1, which is characterized in that the constant volume bottle is stone
English or organic glass material.
4. a kind of volume fixing device for automatic dilution according to claim 1, which is characterized in that the constant volume bottle also connects
It is connected to U-shaped connecting tube liquid level detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820894015.0U CN208313682U (en) | 2018-06-11 | 2018-06-11 | A kind of volume fixing device for automatic dilution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820894015.0U CN208313682U (en) | 2018-06-11 | 2018-06-11 | A kind of volume fixing device for automatic dilution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208313682U true CN208313682U (en) | 2019-01-01 |
Family
ID=64710802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820894015.0U Active CN208313682U (en) | 2018-06-11 | 2018-06-11 | A kind of volume fixing device for automatic dilution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208313682U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987584A (en) * | 2019-11-25 | 2020-04-10 | 湖南省计量检测研究院 | Solution dilution method and system |
| CN112843848A (en) * | 2020-12-24 | 2021-05-28 | 深圳供电局有限公司 | Automatic dilution filtering device and operation method |
| CN114105093A (en) * | 2021-12-20 | 2022-03-01 | 上海空间电源研究所 | Water recovery type NaBH4Hydrogen production plant |
-
2018
- 2018-06-11 CN CN201820894015.0U patent/CN208313682U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987584A (en) * | 2019-11-25 | 2020-04-10 | 湖南省计量检测研究院 | Solution dilution method and system |
| CN112843848A (en) * | 2020-12-24 | 2021-05-28 | 深圳供电局有限公司 | Automatic dilution filtering device and operation method |
| CN114105093A (en) * | 2021-12-20 | 2022-03-01 | 上海空间电源研究所 | Water recovery type NaBH4Hydrogen production plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Xiang Inventor after: Ren Yun Inventor after: Peng Lihua Inventor after: Li Xing Inventor before: Zhu Xiang Inventor before: Ren Yun Inventor before: Peng Lihua |
|
| CB03 | Change of inventor or designer information |