CN109211885B - Manganese ion concentration measuring equipment and method in electrolytic process - Google Patents
Manganese ion concentration measuring equipment and method in electrolytic process Download PDFInfo
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- CN109211885B CN109211885B CN201710517865.9A CN201710517865A CN109211885B CN 109211885 B CN109211885 B CN 109211885B CN 201710517865 A CN201710517865 A CN 201710517865A CN 109211885 B CN109211885 B CN 109211885B
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Abstract
The invention relates to a device and a method for measuring manganese ion concentration in an electrolytic process, wherein the testing device comprises a water inlet pipe, a collecting pipe, a quantifying cup, a buffer liquid pipe, an oxidation liquid pipe, a reaction vessel, a magnetic stirrer, a sensor, a liquid inlet pipe seat, an electrode fixing seat, an electrode connector, an electrode and an adjusting mechanism, and in the testing method, an oxidant is mainly added to add Mn in a solution2+By oxidation to Mn+7Then, the color change of the solution is detected by a sensor, and then the color ratio is carried out to obtain a conclusion. The device and the method for measuring the concentration of the manganese ions in the electrolytic process have the advantages that the measuring device is simple in structure, exquisite in design and convenient to use, the concentration of the manganese ions in the electrolyte can be measured on line, the measuring method is high in detecting speed and efficiency, the measured concentration of the manganese ions in the solution is accurate, and the practicability is high.
Description
Technical Field
The invention relates to a device and a method for measuring manganese ion concentration in an electrolysis process.
Background
In the prior art, the temperature and the density of a solution are generally measured, the concentration of the solution is measured by utilizing the relationship between the temperature and the density and the concentration, or a mixed reagent of an oxidoreductase and a ruthenium compound is added into a solution to be measured, so as to achieve the purpose of measuring the concentration of the solution, however, the method is used for measuring the concentration of manganese ions and has low efficiency.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the invention provides a device and a method for measuring the concentration of manganese ions in an electrolysis process.
The technical scheme adopted by the invention for solving the technical problems is as follows: a manganese ion concentration measuring device in an electrolysis process comprises a water inlet pipe, a collecting pipe, a quantifying cup, a buffer liquid pipe, an oxidation liquid pipe, a reaction vessel, a magnetic stirrer, a sensor, a liquid inlet pipe seat, an electrode fixing seat, an electrode connecting body, an electrode and an adjusting mechanism, wherein the electrode fixing seat is arranged on the liquid inlet pipe seat, the electrode is inserted into the electrode fixing seat, the lower end of the electrode is positioned in the liquid inlet pipe seat, and the adjusting mechanism drives the electrode to move up and down;
the both ends of feed liquor tube socket all are equipped with the inlet tube and gather the pipe, the ration cup sets up in feed liquor tube socket one side below, the feed liquor tube socket passes through the inlet tube and gathers pipe and ration cup intercommunication, the reaction ware sets up in ration cup below, reaction ware and ration cup intercommunication, buffer tube and oxidation liquid pipe all communicate with the reaction ware, magnetic stirrers sets up in the reaction ware below, the sensor sets up the top in reaction ware one side.
Preferably, an electromagnetic valve is arranged between the quantitative cup and the reaction vessel, so that the amount of liquid in the quantitative cup can be conveniently controlled.
Preferably, the sensor is a spectrometer, and the spectrometer can conveniently collect the change of the color of the solution.
Preferably, the adjusting mechanism comprises an eccentric wheel, a rectangular frame, a sleeve ring and a connecting rod, the eccentric wheel is arranged in the rectangular frame, the eccentric wheel is tangent to the upper edge and the lower edge of the rectangular frame, the sleeve ring is sleeved on the electrode, the sleeve ring is in interference fit with the electrode, and the rectangular frame is connected with the sleeve ring through the connecting rod. The height of the electrode can be manually adjusted by arranging the adjusting mechanism.
Preferably, the number of the electrode fixing seats, the number of the electrodes and the number of the lantern rings are two, the two electrode fixing seats are fixed on the liquid inlet pipe seat, the two electrodes are respectively inserted into the two electrode fixing seats, and the two lantern rings are respectively sleeved on the electrodes.
Preferably, the electrode is cylindrical, the lantern ring comprises an annular main body and a plurality of rubber teeth arranged in the main body, the rubber teeth are conical, the rubber teeth are axially and uniformly connected with each other along the inner wall of the main body, and the distance between any two rubber teeth is smaller than the diameter of the electrode.
A measurement method adopting the manganese ion concentration measurement equipment in the electrolytic process comprises the following steps:
1) introducing a certain amount of sample liquid into the reaction vessel through the matching of the quantitative cup and the electromagnetic valve;
2) introducing a certain amount of oxidant into the reaction vessel through the oxidant tube to remove Mn in the solution2+By oxidation to Mn+7；
3) Collecting the color change of the solution in the reaction vessel after the oxidant is introduced through a sensor;
4) making a corresponding color concentration curve graph by using the color change simulation information acquired by the sensor through a calculation mechanism;
5) comparing the color density curve chart made by the computer with a reference color density curve chart prepared in advance, and determining Mn in the sample solution after color comparison+2The concentration of (c).
Preferably, in step 2), the oxidizing agent is sodium bismuthate or sodium dithionate or lead dioxide or periodic acid.
The device and the method for measuring the concentration of the manganese ions in the electrolytic process have the advantages that the device is simple in structure, exquisite in design and convenient to use, the concentration of the manganese ions in the electrolyte can be measured on line, the measuring method is high in detection speed and efficiency, the measured concentration of the manganese ions in the solution is accurate, and the practicability is high.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view showing the construction of an apparatus for measuring manganese ion concentration in an electrolytic process according to the present invention;
FIG. 2 is a schematic structural view of an adjustment mechanism of an electrolytic process manganese ion concentration measuring apparatus according to the present invention;
FIG. 3 is a schematic view showing the structure of a collar of an apparatus for measuring manganese ion concentration in an electrolytic process according to the present invention;
in the figure, the device comprises a water inlet pipe 1, a water inlet pipe 2, a collection pipe 3, a quantitative cup 4, an electromagnetic valve 5, a buffer liquid pipe 6, an oxidation liquid pipe 7, a reaction vessel 8, a magnetic stirrer 9, a sensor 10, a liquid inlet pipe seat 11, an electrode fixing seat 12, an electrode connecting body 13, an electrode 14, an eccentric wheel 15, a rectangular frame 16, a connecting rod 17, a lantern ring 18 and rubber teeth.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-3, an apparatus for measuring manganese ion concentration in an electrolysis process comprises a water inlet pipe 1, a collection pipe 2, a dosing cup 3, a buffer liquid pipe 5, an oxidation liquid pipe 6, a reaction vessel 7, a magnetic stirrer 8, a sensor 9, a liquid inlet pipe seat 10, an electrode fixing seat 11, an electrode connecting body 12, an electrode 13 and an adjusting mechanism, wherein the electrode fixing seat 11 is arranged on the liquid inlet pipe seat 10, the electrode 13 is inserted into the electrode fixing seat 11, the lower end of the electrode 13 is located in the liquid inlet pipe seat 10, and the adjusting mechanism drives the electrode 13 to move up and down;
the both ends of feed liquor tube socket 10 all are equipped with inlet tube 1 and collection pipe 2, ration cup 3 sets up in feed liquor tube socket 10 one side below, feed liquor tube socket 10 is through inlet tube 1 and collection pipe 2 and ration cup 3 intercommunication, reaction ware 7 sets up in ration cup 3 below, reaction ware 7 and ration cup 3 intercommunication, buffer tube 5 and oxidation liquid pipe 6 all communicate with reaction ware 7, magnetic stirrers 8 sets up in reaction ware 7 below, sensor 9 sets up the top in reaction ware 7 one side.
The function of the magnetic stirrer 8 here is to effect the cleaning of the reaction cuvette 7.
Preferably, an electromagnetic valve 4 is arranged between the quantifying cup 3 and the reaction dish 7, so that the amount of the liquid in the quantifying cup 3 can be conveniently controlled through the electromagnetic valve 4.
Preferably, the sensor 9 is a spectrometer, and the spectrometer can conveniently collect the change of the solution color.
Preferably, the adjusting mechanism comprises an eccentric wheel 14, a rectangular frame 15, a sleeve ring 17 and a connecting rod 16, the eccentric wheel 14 is arranged in the rectangular frame 15, the eccentric wheel 14 is tangent to the upper side and the lower side of the rectangular frame 15, the sleeve ring 17 is sleeved on the electrode 13, the sleeve ring 17 is in interference fit with the electrode 13, and the rectangular frame 15 is connected with the sleeve ring 17 through the connecting rod 16. By arranging the adjusting mechanism in this way, the height of the electrode 13 can be manually adjusted.
Here, the eccentric wheel 14 is driven by an external driving mechanism, such as a motor, and when the eccentric wheel 14 rotates, the rectangular frame 15 is driven to move up and down, so that the two lantern rings 17 are driven to move up and down, and the lantern rings 17 are in interference fit with the two electrodes 13, so that the two electrodes 13 can be driven to move up and down. The up and down movement of the electrode 13 controls the depth of insertion into the liquid and, if the liquid level is low, the electrode 13 is controlled to extend down into the liquid.
Preferably, there are two electrode fixing seats 11, two electrodes 13 and two lantern rings 17, the two electrode fixing seats 11 are fixed on the liquid inlet pipe seat 10, the two electrodes 13 are respectively inserted into the two electrode fixing seats 11, and the two lantern rings 17 are respectively sleeved on the electrodes 13.
Preferably, the electrode 13 is cylindrical, the collar 17 includes an annular main body and a plurality of rubber teeth 18 disposed in the main body, the rubber teeth 18 are tapered, the rubber teeth 18 are uniformly connected along the inner wall of the main body in the axial direction, and the distance between any two rubber teeth 18 is smaller than the diameter of the electrode 13. The rubber teeth 18 are adopted to realize interference fit with the electrode 13, so that the electrode 13 can be flexibly assembled and disassembled.
A measurement method adopting the manganese ion concentration measurement equipment in the electrolytic process comprises the following steps:
1) a certain amount of sample liquid is introduced into the reaction vessel 7 through the matching of the quantitative cup 3 and the electromagnetic valve 4;
2) introducing a certain amount of oxidant into a reaction vessel 7 through an oxidant tube 6 to remove Mn in the solution2+By oxidation to Mn+7；
3) Collecting the color change of the solution in the reaction vessel 7 after the oxidant is introduced through a sensor 9;
4) making a corresponding color concentration curve graph by using the color change simulation information acquired by the sensor 9 through a calculation mechanism;
5) comparing the color density curve chart made by the computer with a reference color density curve chart prepared in advance, and determining Mn in the sample solution after color comparison+2The concentration of (c).
Preferably, in step 2), the oxidizing agent is sodium bismuthate or sodium dithionate or lead dioxide or periodic acid.
Compared with the prior art, the measuring equipment and the measuring method for the manganese ion concentration in the electrolytic process have the advantages that the measuring equipment is simple in structure, exquisite in design and convenient to use, the manganese ion concentration in the electrolyte can be measured on line, the measuring method is high in detection speed and efficiency, the measured manganese ion concentration in the solution is accurate, and the practicability is high.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. An electrolytic process manganese ion concentration measuring equipment which is characterized in that: the device comprises a water inlet pipe, a collecting pipe, a quantifying cup, a buffer liquid pipe, an oxidation liquid pipe, a reaction vessel, a magnetic stirrer, a sensor, a liquid inlet pipe seat, an electrode fixing seat, an electrode connecting body, an electrode and an adjusting mechanism, wherein the electrode fixing seat is arranged on the liquid inlet pipe seat;
the both ends of feed liquor tube socket all are equipped with the inlet tube and gather the pipe, the ration cup sets up in feed liquor tube socket one side below, the feed liquor tube socket passes through the inlet tube and gathers pipe and ration cup intercommunication, the reaction ware sets up in ration cup below, reaction ware and ration cup intercommunication, buffer tube and oxidation liquid pipe all communicate with the reaction ware, magnetic stirrers sets up in the reaction ware below, the sensor sets up the top in reaction ware one side.
2. The electrolytic process manganese ion concentration measuring apparatus according to claim 1, wherein: an electromagnetic valve is arranged between the quantitative cup and the reaction vessel.
3. The electrolytic process manganese ion concentration measuring apparatus according to claim 1, wherein: the sensor is a spectrometer.
4. The electrolytic process manganese ion concentration measuring apparatus according to claim 1, wherein: the adjusting mechanism comprises an eccentric wheel, a rectangular frame, a sleeve ring and a connecting rod, the eccentric wheel is arranged in the rectangular frame, the eccentric wheel is tangent to the upper edge and the lower edge of the rectangular frame, the sleeve ring is sleeved on the electrode, the sleeve ring is in interference fit with the electrode, and the rectangular frame is connected with the sleeve ring through the connecting rod.
5. The electrolytic process manganese ion concentration measuring apparatus according to claim 4, wherein: the electrode fixing seats, the electrodes and the lantern rings are all two, the two electrode fixing seats are fixed on the liquid inlet pipe seat, the two electrodes are respectively inserted into the two electrode fixing seats, and the two lantern rings are respectively sleeved on the electrodes.
6. The electrolytic process manganese ion concentration measuring apparatus according to claim 5, wherein: the electrode is cylindric, the lantern ring includes annular main part and sets up a plurality of rubber teeth in the main part, the rubber tooth is the toper, and each rubber tooth is evenly connected along the inner wall axial of main part, and the distance between two arbitrary rubber teeth all is less than the diameter of electrode.
7. A measuring method using the electrolytic process manganese ion concentration measuring apparatus according to any one of claims 2 to 6, characterized in that: the method comprises the following steps:
1) introducing a certain amount of sample liquid into the reaction vessel through the matching of the quantitative cup and the electromagnetic valve;
2) introducing a certain amount of oxidant into the reaction vessel through the oxidant tube to remove Mn in the solution2+ By oxidation to Mn7+；
3) Collecting the color change of the solution in the reaction vessel after the oxidant is introduced through a sensor;
4) making a corresponding color concentration curve graph by using the color change simulation information acquired by the sensor through a calculation mechanism;
5) color density curve made by computerComparing the obtained graph with a reference color density curve prepared in advance, and determining Mn in the sample solution after color comparison+2The concentration of (c).
8. The measurement method according to claim 7, characterized in that: in the step 2), the oxidant is sodium bismuthate or sodium dithionate or lead dioxide or periodic acid.
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| CN201710517865.9A CN109211885B (en) | 2017-06-29 | 2017-06-29 | Manganese ion concentration measuring equipment and method in electrolytic process |
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