CN113739873A - Electrolytic tank liquid level measuring device and method - Google Patents

Electrolytic tank liquid level measuring device and method Download PDF

Info

Publication number
CN113739873A
CN113739873A CN202110981596.8A CN202110981596A CN113739873A CN 113739873 A CN113739873 A CN 113739873A CN 202110981596 A CN202110981596 A CN 202110981596A CN 113739873 A CN113739873 A CN 113739873A
Authority
CN
China
Prior art keywords
liquid level
motor
resistance
lead screw
level measuring
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
Application number
CN202110981596.8A
Other languages
Chinese (zh)
Inventor
张美杰
和奔流
刘峰
王丽艳
张军丽
陈建立
刘红星
李建军
杨倩
张建林
张燕平
赵冠杰
杨德
祝永红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yunnan Guoti Metal Co ltd
Original Assignee
Yunnan Guoti Metal Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yunnan Guoti Metal Co ltd filed Critical Yunnan Guoti Metal Co ltd
Priority to CN202110981596.8A priority Critical patent/CN113739873A/en
Publication of CN113739873A publication Critical patent/CN113739873A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Electrolytic Production Of Metals (AREA)

Abstract

The invention discloses a device and a method for measuring the liquid level of an electrolytic cell, belongs to the technical field of metal smelting measurement, and solves the problems that the measurement precision cannot be maintained and the thickness of a magnesium layer cannot be automatically measured in the traditional technology.

Description

Electrolytic tank liquid level measuring device and method
Technical Field
The invention belongs to the technical field of metal smelting measurement, and particularly relates to a device and a method for measuring the liquid level of an electrolytic cell.
Background
At present, in the magnesium electrolysis production process, the electrolyte liquid level and the thickness of a liquid magnesium layer in an electrolytic cell need to be monitored, the electrolyte liquid level can be changed, the thickness of the magnesium layer can be changed in different production stages of the same electrolytic cell, and the measurement of a plurality of liquid levels needs to be realized. The liquid level test method used in the prior electrolytic magnesium mainly adopts a bubbling liquid level meter, the measuring range value of the bubbling liquid level meter is narrow, the precision of the bubbling liquid level meter is linearly reduced after the value exceeds a certain range, and a method for automatically measuring the thickness of the magnesium layer is lacked in the electrolytic magnesium technology.
Therefore, a new device is needed to be developed, which can realize the automatic measurement of the thickness of the magnesium layer and the automatic measurement of the electrolyte liquid level in the production process of the electrolytic cell.
Disclosure of Invention
Aiming at the problems that the prior art can not keep the measurement precision and can not automatically measure the thickness of the magnesium layer, the invention provides an electrolytic bath liquid level measuring device and a method, and aims to provide the electrolytic bath liquid level measuring device and the method which have the following advantages: and the automatic measurement of the thickness of the magnesium layer and the liquid level of the electrolyte is realized.
The technical scheme adopted by the invention is as follows:
the utility model provides an electrolysis trough liquid level measurement device, includes the electrolysis trough, the top of electrolysis trough is provided with resistance liquid level ranging system, the last fixed resistance detector that is provided with of resistance liquid level ranging system, the fixed distancer that is provided with in one side of resistance liquid level ranging system, distancer, resistance detector are connected with the control cabinet.
By adopting the scheme, the resistance from the electrolytic tank can be monitored by the resistance detector, the change of the resistance can reflect the change of the type of the liquid, the displacement of the resistance liquid level ranging system can be monitored by the distance meter when the resistance changes for two times, and the thickness of the liquid magnesium can be obtained by calculating the displacement.
The resistance liquid level ranging system comprises a motor, a first lead screw is fixedly connected to an output shaft of the motor, a second lead screw is vertically meshed with the side portion of the first lead screw, an installation table is fixedly arranged at one end, far away from the motor, of the second lead screw, a plurality of electrodes are fixedly arranged at the bottom of the installation table, and the motor is connected with a resistance detector.
Adopt above-mentioned scheme, specifically provide a structure that can realize ground lessons liquid level ranging system and reciprocate, drive first lead screw through the motor and rotate, first lead screw drives the second lead screw of vertical setting and rotates, and under the meshing rotation between first lead screw and the second lead screw, can realize reciprocating of second lead screw to drive mount table and electrode and remove.
The outside of first lead screw is provided with the mounting box, the second lead screw is worn out the mounting box.
The first lead screw is far away from a coupler is fixedly arranged at one end of the motor, the coupler is far away from one end of the motor and is fixedly connected with a connecting rod, the connecting rod is far away from one end of the motor and is fixedly connected with a second transmission system, the second transmission system and the mounting table are fixedly connected.
By adopting the scheme, the structure in the second transmission system is completely the same as the transmission modes among the first lead screw, the second lead screw and the motor, the torque of the output shaft of the motor is transmitted to the second transmission system through the connecting rod, and the stability and the accuracy of the device can be enhanced by adopting the structure of the second transmission system.
The distance measuring instrument is a laser distance measuring instrument.
The motor is a servo motor.
And a display screen is fixedly arranged on the console.
The electrolytic bath liquid level distance measuring method is characterized by comprising the following steps:
step A: lowering the resistance liquid level distance measuring system, and recording the displacement stroke S1 when the resistance detected in the electrode is reduced sharply;
and B: the electrode continues to descend, and when the resistance detected by the electrode rises sharply, the displacement at that time is recorded to form S2;
and C: and calculating the thickness of the liquid magnesium according to the formula of S2-S1.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the resistance detector can be used for monitoring the resistance from the electrolytic bath on the resistance liquid level ranging system, the change of the resistance can reflect the change of the type of the liquid, the distance meter can be used for monitoring the displacement of the resistance liquid level ranging system when the resistance changes for two times, the thickness of the liquid magnesium can be obtained through the calculation of the displacement, and by the structure, the automatic measurement of the thickness of the magnesium layer and the liquid level of the electrolyte is realized, and the measurement precision is improved.
2. Specifically provide a structure that can realize ground lessons liquid level ranging system and reciprocate, drive first lead screw through the motor and rotate, first lead screw drives the second lead screw of vertical setting and rotates, and under the meshing rotation between first lead screw and the second lead screw, can realize reciprocating of second lead screw to drive mount table and electrode and remove.
3. The structure in the second transmission system is completely the same as the transmission modes among the first lead screw, the second lead screw and the motor, the torque of the output shaft of the motor is transmitted to the second transmission system through the connecting rod, and the structure of the second transmission system is adopted, so that the stability and the accuracy of the device can be enhanced.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a principal perspective assembly view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the main viewing angle of the resistance liquid level ranging system according to one embodiment of the invention;
FIG. 3 is a schematic view of the main view of the liquid level inside the electrolytic cell in accordance with one embodiment of the present invention.
Reference numerals: 1-a console; 2-an electrode; 3-mounting a table; 4-a range finder; 5-a resistance detector; 6, a motor; 7-mounting a box; 8-a first lead screw; 9-a second lead screw; 10-a coupler; 11-a connecting rod; 12-an electrolytic cell; 13-a layer of liquid magnesium; 14-electrolyte layer.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 to 3.
The first embodiment is as follows:
the utility model provides an electrolysis trough liquid level measurement device, includes electrolysis trough 12, the top of electrolysis trough 12 is provided with resistance liquid level ranging system, the last fixed resistance detector 5 that is provided with of resistance liquid level ranging system, the fixed distancer 4 that is provided with in one side of resistance liquid level ranging system, distancer 4, resistance detector 5 are connected with control cabinet 1.
The resistance liquid level ranging system comprises a motor 6, a first lead screw 8 is fixedly connected to an output shaft of the motor 6, a second lead screw 9 is vertically meshed with the side portion of the first lead screw 8, an installation table 3 is fixedly arranged at one end, far away from the motor 6, of the second lead screw 9, a plurality of electrodes 2 are fixedly arranged at the bottom of the installation table 3, and the electrodes 2 are connected with a resistance detector 5.
The outside of first lead screw 8 is provided with mounting box 7, second lead screw 9 wears out mounting box 7.
The first lead screw 8 is far away from a shaft coupler 10 is fixedly arranged at one end of the motor 6, the shaft coupler 10 is far away from one end of the motor 6 and is fixedly connected with a connecting rod 11, the connecting rod 11 is far away from one end of the motor 6 and is fixedly connected with a second transmission system, and the second transmission system is fixedly connected with the mounting table 3.
The distance measuring instrument 4 is a laser distance measuring instrument.
The motor 6 is a servo motor.
And a display screen 13 is fixedly arranged on the console 1.
A method for measuring the liquid level of an electrolytic cell is characterized by comprising the following steps:
step A: lowering the resistance liquid level distance measuring system, and recording the displacement stroke S1 when the resistance detected in the electrode is reduced sharply;
step B, the electrode continues to descend, and when the resistance detected by the electrode rises sharply, the displacement at the moment is recorded to form S2;
and C: and calculating the thickness of the liquid magnesium according to the formula of S2-S1.
In the above embodiment, the resistance change condition in the electrolytic cell 1 and the stroke of the electrode 2 are monitored by the resistance liquid level distance measuring system, wherein the up-and-down movement of the electrode 2 is mainly realized by the rotation of the motor 6, and the process is as follows: an output shaft of the motor 6 drives the first lead screw 8 to rotate transversely, the first lead screw 8 is vertically meshed with the second lead screw 9, so that the second lead screw 9 can be driven to rotate, the second lead screw 9 can move in the vertical direction, and the second lead screw 9 drives the mounting table 3 and the electrode 2 to move;
in the process of moving the electrode 2, the resistance detector 5 fixedly arranged on the mounting table 3 can monitor the resistance of the electrode 2 in real time, the resistance of air approaches and is insulated, and liquid magnesiumHas a resistance of about 1.97 x 10-4Ω-1cm-1And the resistance of the electrolyte is about 2.8 omega-1cm-1Since the liquid magnesium layer floats on the upper layer of the electrolyte layer, which is about 1 ten thousand times the resistance of the liquid magnesium, the resistance detector 5 can detect the change in resistance applied to the electrode when the electrode passes through the air, the liquid magnesium layer, and the electrolyte layer in this order.
Wherein each part in the second transmission system and the connection mode thereof are the same as the first lead screw 8 and the second lead screw 9 and are connected with the mounting table 3, wherein the connecting rod 11 has the effect on the second transmission system equivalent to the transmission shaft of the motor 6 and can drive each lead screw in the second transmission system to rotate.
The detection method of the device comprises the following steps: firstly, starting a control console 1, a motor 6, a resistance detector 5 and a distance meter 4, wherein when the motor 6 starts to rotate and the electrode 2 moves downwards, the distance meter 4 can monitor the stroke of a second lead screw 9 and transmit data to the control console 1, when the electrode 2 enters a liquid magnesium layer from air, the resistivity between the electrodes 2 is reduced sharply, at the moment, the control console 1 records a stroke S1 from the start of the device to the moment, and at the moment, the position of the electrode 2 is positioned on the upper liquid level of the liquid magnesium layer 14; the electrode 2 continues to descend, when the resistivity between the electrodes 2 sharply rises, namely the electrode 2 contacts the electrolyte layer 15, the console records the stroke S2 of the electrode at the moment, the position of the electrode 2 is positioned on the upper liquid level of the electrolyte layer 15, the console 1 carries out thickness calculation of the liquid magnesium layer, the calculation formula is S2-S1, after the thickness of the liquid magnesium layer is obtained, the liquid magnesium can be sucked out, the phenomenon that the end point is judged by manual vision in the process of re-sucking magnesium, the electrolyte is sucked into a liquid magnesium ladle, and the pressure of subsequent liquid magnesium refining is reduced.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims (8)

1. The utility model provides an electrolysis trough liquid level measurement device, its characterized in that, includes electrolysis trough (12), the top of electrolysis trough (12) is provided with resistance liquid level ranging system, the last fixed resistance detector (5) that is provided with of resistance liquid level ranging system, fixed distancer (4) that are provided with in one side of resistance liquid level ranging system, distancer (4), resistance detector (5) are connected with control cabinet (1).
2. The electrolytic tank liquid level measuring device according to claim 1, wherein the resistance liquid level measuring system comprises a motor (6), a first lead screw (8) is fixedly connected to an output shaft of the motor (6), a second lead screw (9) is vertically meshed with a side portion of the first lead screw (8), a mounting table (3) is fixedly arranged at one end, away from the motor (6), of the second lead screw (9), a plurality of electrodes (2) are fixedly arranged at the bottom of the mounting table (3), and the electrodes (2) are connected with the resistance detector (5).
3. An electrolysis bath liquid level measuring device according to claim 2, characterized in that a mounting box (7) is arranged outside the first lead screw (8), and the second lead screw (9) penetrates out of the mounting box (7).
4. The electrolytic tank liquid level measuring device according to claim 2, characterized in that a coupler (10) is fixedly arranged at one end of the first lead screw (8) far away from the motor (6), a connecting rod (11) is fixedly connected at one end of the coupler (10) far away from the motor (6), and a second transmission system is fixedly connected at one end of the connecting rod (11) far away from the motor (6), wherein the second transmission system is fixedly connected with the mounting table (3).
5. An electrolytic cell level measuring device according to claim 1, characterized in that the distance meter (4) is a laser distance meter.
6. An electrolysis cell level measuring device according to claim 2, wherein the motor (6) is a servo motor.
7. An electrolysis cell level measuring device according to claim 1, wherein a display screen (13) is fixedly arranged on the console (1).
8. A motor tank liquid level measuring method is characterized by comprising the following steps:
step A: lowering the resistance liquid level distance measuring system, and recording the displacement stroke S1 when the resistance detected in the electrode is reduced sharply;
and B: the motor continues to descend, and when the resistance detected by the electrode rises sharply, the displacement at that time is recorded to form S2;
and C: and calculating the thickness of the liquid magnesium according to the formula of S2-S1.
CN202110981596.8A 2021-08-25 2021-08-25 Electrolytic tank liquid level measuring device and method Pending CN113739873A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110981596.8A CN113739873A (en) 2021-08-25 2021-08-25 Electrolytic tank liquid level measuring device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110981596.8A CN113739873A (en) 2021-08-25 2021-08-25 Electrolytic tank liquid level measuring device and method

Publications (1)

Publication Number Publication Date
CN113739873A true CN113739873A (en) 2021-12-03

Family

ID=78732795

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110981596.8A Pending CN113739873A (en) 2021-08-25 2021-08-25 Electrolytic tank liquid level measuring device and method

Country Status (1)

Country Link
CN (1) CN113739873A (en)

Similar Documents

Publication Publication Date Title
CN103674163B (en) The oil level monitoring method of a kind of oil-filled transformer oil storage system and monitoring system
CN206906178U (en) A kind of soil moisture detection device
CN109115119A (en) A kind of coal mine roadway deformation monitoring device and its application method
CN113739873A (en) Electrolytic tank liquid level measuring device and method
CN210741618U (en) Water level monitoring device for hydraulic engineering that can audio-visual display
CN113847901B (en) Device and method for detecting lateral uneven deformation of building shock-insulation rubber support
CN213422896U (en) Battery diaphragm liquid absorption amount detection device
CN104677462A (en) Self-adapted non-immersion type liquid level detection device and detection method
CN112484806B (en) Gearbox oil level testing device, testing system and testing method
CN213632073U (en) In-situ calibration device of static level gauge
CN114279521A (en) Method and system for monitoring safe water level and application thereof
CN209147931U (en) A kind of bridge displacement measuring device
CN109029624B (en) Water level monitoring and alarming system of tension line pontoon
CN114543903A (en) Portable torque type flow measuring device and flow measuring method
CN113314774A (en) Automatic liquid suction type lead-acid storage battery electrolyte density online measuring device
CN215375022U (en) High-precision binder swelling ratio testing device
CN204177376U (en) A kind of electromagnetic block flatness checking device
CN111044134A (en) Weighing sensor capable of being leveled
CN204556051U (en) A kind of self-adaptation non-invasive liquid level detection device
CN216694766U (en) Detection tool for detecting spherical mounting distance of bevel gear
CN218215654U (en) Displacement meter based on internet of things communication
CN216524266U (en) Intelligent multifunctional floater liquid level meter
CN219589836U (en) Aluminium liquid temperature measuring mechanism and refined aluminium electrolysis system
CN220231374U (en) Rotary viscometer
CN113138132B (en) Device and method for measuring plastic limit of soil strip

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination