CN208013008U - A kind of ammonium molybdate solution proportion automatic measurement system - Google Patents
A kind of ammonium molybdate solution proportion automatic measurement system Download PDFInfo
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- CN208013008U CN208013008U CN201820292451.0U CN201820292451U CN208013008U CN 208013008 U CN208013008 U CN 208013008U CN 201820292451 U CN201820292451 U CN 201820292451U CN 208013008 U CN208013008 U CN 208013008U
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- ammonium molybdate
- specific gravity
- molybdate solution
- feed liquid
- test room
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Abstract
The utility model discloses a kind of ammonium molybdate solution proportion automatic measurement systems, including probe tube, pneumatic diaphragm pump, feed liquid surge chamber, specific gravity test room and PLC control unit；The probe tube extends in evaporation boiler；Pneumatic diaphragm pump is installed on the probe tube；The other end of the pneumatic diaphragm pump is connected to the entrance of feed liquid surge chamber；The outlet of the feed liquid surge chamber is connected to specific gravity test room；Online densimeter is provided on the specific gravity test room, online densimeter is connected with PLC control unit；The specific gravity test room is equipped with overflow port, and evaporation boiler is connected to through overflow pipe.The ammonium molybdate solution proportion automatic measurement system of the utility model can effectively, reliably detect the proportion of ammonium molybdate solution online, in real time, and measurement result is accurate, can guarantee product quality, and the labor intensity of post personnel mitigates.
Description
Technical field
The utility model is related to ammonium molybdate solution specific gravity test technical field, especially a kind of ammonium molybdate solution proportion is automatic
Measuring system.
Background technology
Ammonium dimolybdate crystallization is to carry out steam indirectly heat to ammonium molybdate solution using evaporation boiler, makes the free ammonia in solution
Constantly evaporated with water, volume constantly reduces, the proportion of ammonium molybdate solution in the state risen, it is to be achieved to a certain degree after, molybdenum with
The form of ammonium dimolybdate crystal is precipitated from ammonium molybdate solution.Crystal morphology of the proportion variation of ammonium molybdate solution to ammonium dimolybdate
It is affected.To make the physical property of product reach requirement, needs to monitor the proportion of ammonium molybdate solution in real time, be come with this
Determine technological parameter (steam pressure, vacuum degree, mixing speed etc.).It is currently used than there are two types of re-detection methods.One is
Evaporation stops steaming, and is detected after manually taking out sample out of pot, then with Baume Hydrometer.This method there are the problem of have：It needs
Evaporation is stopped steaming, the vacuum degree of evaporation can be destroyed, solution temperature can change in pot, cause evaporation process unstable, production
There is quality fluctuation in product；Because of being affected for temperature comparisons' weight, there are temperature change, measurement error is larger for manual sampling；Pass through
Sampling instrument samples, and has the risk of mechanical contamination.Another kind is to take out to expect out to sample out of pot to measure proportion again, and the method is not broken
Bad evaporation system, but since this process is that the when of surveying proportion is needed to take out material again, detection process interruption occurs, and is easy to cause feed liquid in pipe
It is crystallized in road, crystallization and the temperature equally to feed liquid after taking-up is easy thereon when causing line clogging, while being measured using Baume Hydrometer
Degree is unable to control, and causes measurement error big.In addition, both methods is manually to read, measurement error can be equally caused.Letter and
Yan Zhi, the existing method error for measuring ammonium molybdate solution proportion is big, and needing to survey proportion several times could be qualified, and the proportion of solution
Value cannot do effective historical record inquiry.
Therefore, it is necessary to a kind of ammonium molybdate solution proportion automatic measurement systems.
Utility model content
The purpose of this utility model is to provide a kind of ammonium molybdate solution proportion automatic measurement systems.
To achieve the above object, the utility model uses the following contents：
A kind of ammonium molybdate solution proportion automatic measurement system, including probe tube, pneumatic diaphragm pump, feed liquid surge chamber, proportion
Measuring chamber and PLC control unit；The probe tube extends in evaporation boiler；Pneumatic diaphragm pump is installed on the probe tube；Institute
The other end for stating pneumatic diaphragm pump is connected to the entrance of feed liquid surge chamber；The outlet of the feed liquid surge chamber is connected to specific gravity test
Room；Online densimeter is provided on the specific gravity test room, online densimeter is connected with PLC control unit；The ratio is resurveyed
It measures room and is equipped with overflow port, evaporation boiler is connected to through overflow pipe.
Further, there is the feed liquid surge chamber upper outlet and lower outlet, upper outlet and lower outlet to be connected respectively to ratio
The top half of remeasurement room and lower half portion.
Further, the probe tube is 316L stainless steel tubes.
Further, the PLC control unit is also connected to host computer, for being recorded to gravity.
The utility model has the following advantages：
The ammonium molybdate solution proportion automatic measurement system of the utility model can effectively, it is reliable online, detect molybdenum in real time
The proportion of acid ammonium solution, measurement result is accurate, can guarantee product quality, and the labor intensity of post personnel mitigates.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of the ammonium molybdate solution proportion automatic measurement system of the utility model.
Specific implementation mode
In order to illustrate more clearly of the utility model, the utility model is done further with reference to preferred embodiment
It is bright.It will be appreciated by those skilled in the art that specifically described content is illustrative and be not restrictive below, it should not be with this
Limit the scope of protection of the utility model.
Embodiment
As shown in Figure 1, being the schematic diagram of the ammonium molybdate solution proportion automatic measurement system of the utility model.The ammonium molybdate is molten
Liquor ratio weight automatic measurement system includes probe tube 1, pneumatic diaphragm pump 2, feed liquid surge chamber 3, specific gravity test room 4, PLC control unit
5, host computer 6.Probe tube 1 is 316L stainless steel tubes, is extended in evaporation boiler 7.Pneumatic diaphragm pump 2 is installed on probe tube 1.Gas
Dynamic diaphragm pump 2 is a kind of novel conveyer tool, uses compressed air for power source, for various corrosive liquids, with particle
Liquid, highly viscous liquid can be taken out light exhaustion.The other end of pneumatic diaphragm pump 2 is connected to the entrance of feed liquid surge chamber 3.
There is feed liquid surge chamber 3 upper outlet 31 and lower outlet 32, upper outlet 31 and lower outlet 32 to be connected respectively to the upper of specific gravity test room 4
Half part and lower half portion.Online densimeter 41 is provided on specific gravity test room 4.Online densimeter 41 and PLC control unit 5
It is connected, output analog signals to PLC control unit.Specific gravity test room 4 is equipped with overflow port, and evaporation is connected to through overflow pipe 42
Pot 7.PLC control unit 5 is connected to host computer 6 (such as KingView system), can be recorded to gravity, is convenient for technique
Personnel and post personnel inquiry historical trend.
The ammonium molybdate solution proportion automatic measurement system of the utility model is by pneumatic diaphragm pump 2 by the material in evaporation boiler 7
Liquid is driven into feed liquid surge chamber 3, and the feed liquid in feed liquid surge chamber 3 is flowed into again in specific gravity test room 4 later, after measurement proportion again
It overflows back in evaporation boiler 7.Whole system is run under vacuum, high-temperature closed environment, will not be destroyed when carrying out feed liquid extraction
Evaporation system, evaporation process are stablized；Feed liquid extraction is that continuous cycle carries out, and will not be crystallized in pipeline；When measuring proportion,
Feed temperature is consistent with feed liquid in pot, will not lead to proportion deviation；It is detected using online densimeter, may be implemented to monitor material in real time
The proportion of liquid changes, and preferably realizes process control.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The row of protection domain.
Claims (4)
1. a kind of ammonium molybdate solution proportion automatic measurement system, which is characterized in that slow including probe tube, pneumatic diaphragm pump, feed liquid
Rush room, specific gravity test room and PLC control unit；The probe tube extends in evaporation boiler；It is installed on the probe tube pneumatic
Diaphragm pump；The other end of the pneumatic diaphragm pump is connected to the entrance of feed liquid surge chamber；The outlet of the feed liquid surge chamber connects
To specific gravity test room；Online densimeter is provided on the specific gravity test room, online densimeter is connected with PLC control unit；
The specific gravity test room is equipped with overflow port, and evaporation boiler is connected to through overflow pipe.
2. a kind of ammonium molybdate solution proportion automatic measurement system according to claim 1, which is characterized in that the feed liquid is slow
Rushing room, there is upper outlet and lower outlet, upper outlet and lower outlet to be connected respectively to top half and the lower half of specific gravity test room
Point.
3. a kind of ammonium molybdate solution proportion automatic measurement system according to claim 1, which is characterized in that the probe tube
For 316L stainless steel tubes.
4. a kind of ammonium molybdate solution proportion automatic measurement system according to claim 1, which is characterized in that the PLC controls
Unit processed is also connected to host computer, for being recorded to gravity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820292451.0U CN208013008U (en) | 2018-03-02 | 2018-03-02 | A kind of ammonium molybdate solution proportion automatic measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820292451.0U CN208013008U (en) | 2018-03-02 | 2018-03-02 | A kind of ammonium molybdate solution proportion automatic measurement system |
Publications (1)
| Publication Number | Publication Date |
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| CN208013008U true CN208013008U (en) | 2018-10-26 |
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| CN201820292451.0U Active CN208013008U (en) | 2018-03-02 | 2018-03-02 | A kind of ammonium molybdate solution proportion automatic measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11701600B2 (en) | 2021-11-23 | 2023-07-18 | Central South University | Method for crystallization of β-ammonium tetramolybdate |
-
2018
- 2018-03-02 CN CN201820292451.0U patent/CN208013008U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11701600B2 (en) | 2021-11-23 | 2023-07-18 | Central South University | Method for crystallization of β-ammonium tetramolybdate |
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