Device for measuring abrasion condition of cathode of aluminum electrolysis cell

Abstract

The utility model relates to the technical field of aluminum electrolysis cells, in particular to an aluminum electrolysis cell cathode abrasion condition measuring device which comprises a measuring drill rod, a measuring head is arranged at the bottom end of the measuring drill rod, and a handle is arranged at the top of the measuring drill rod. A measuring instrument is fixedly connected to the position, close to the handle, of the measuring drill rod and comprises a microprocessor and a power module used for supplying power. The microprocessor is electrically connected with a pose sensor, a storage unit, a display and a control unit; according to the utility model, by arranging the pose sensor, the position of the measuring head and related data can be calculated by acquiring the position of the pose sensor and the related data, and then the surface profile of the cathode can be measured by abutting the measuring head against the surface of the cathode.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum electrolysis cell technical field, concretely is a kind of aluminum electrolysis cell cathode abrasion measurement device. BACKGROUND

[0002] The energy transformation of electrolytic aluminum industry is slow at present, facing the continuous development of economy, the growing demand for energy, environmental protection requirements, safety production and other problems are increasingly strict;Efficient, stable, life extension of electrolytic cell is the most important at present;With the continuous extension of electrolytic cell production, the fluctuation of electrolytic cell cathode in magnetic field and thermal stability, cause the excessive corrosion and wear of cathode surface, increase labor intensity and increase the unqualified rate of aluminum product, electrolytic cell fluctuation index decline, heavy, affect the safe operation of electrolytic cell and series safety.

[0003] Patent No. 201280055413.9 discloses a device for measuring surface profile in aluminum electrolysis cell, comprising a position measurement system, the position measurement system has a moving system component and a fixed system component, and a lance, the lance has a heat-resistant lance tip, the lance tip is used to immerse into the molten salt on the cathode or side wall surface of the electrolysis cell, the moving component is attached to the lance, and the fixed component is suitable for measuring the position of the lance tip by measuring the position of the moving component;The moving system component is a light pen, which comprises a plurality of light-emitting diodes for emitting light, one or more cameras are provided on the fixed component to record the light emitted by the light-emitting diodes, and the light is transmitted to the computing component of the fixed component;The fixed component determines the position of the lance tip by measuring the position of the light-emitting diodes;The surface profile of the cathode is measured by abutting the position of the lance tip against the surface of the cathode.

[0004] The disadvantage of the patent No. 201280055413.9 is that the position measurement system has a moving system component and a fixed system component, which needs to be fixed in a place during use, and the operation is relatively complicated;And the measurement is affected by the external environment by recording the light emitted by the light-emitting diodes through the camera. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a kind of aluminum electrolysis cell cathode abrasion measurement device, to solve the problems that the device for measuring surface profile in aluminum electrolysis cell in the prior art is relatively complicated to operate and is greatly affected by external environment.

[0006] In order to achieve the above object, the utility model provides a kind of aluminium electrolysis cell cathode abrasion condition measuring device, including measuring drill, the bottom of measuring drill is equipped with measuring head, top is equipped with handle;Measuring drill is fixedly connected with measuring instrument on the position close to handle, and measuring instrument includes microprocessor and power module for power supply;Microprocessor is electrically connected with pose sensor, storage unit, display and control unit.

[0007] Further, microprocessor is electrically connected with bluetooth module.

[0008] Further, microprocessor is electrically connected with data interface.

[0009] Further, microprocessor is electrically connected with watchdog module.

[0010] The utility model discloses a pose sensor is set, can be through the position and relevant data of pose sensor to calculate the position and relevant data of measuring head, and then can be through the surface of cathode of measuring head abutment to measure the surface profile of cathode.

[0011] The utility model discloses structure is simpler, and operation when measuring is also simpler;When measuring, the influence of external environment is less, and the value of measurement is more accurate. DRAWINGS

[0012] The drawings accompanying the specification provide further understanding of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute improper limitation to the utility model.

[0013] Figure 1 It is the structure schematic drawing of aluminium electrolysis cell cathode abrasion condition measuring device in example;

[0014] Figure 2 It is the structure schematic drawing of measuring instrument in example;

[0015] In the drawing: 1, measuring drill;101, measuring head;102, handle;2, measuring instrument;201, microprocessor;202, power module;203, pose sensor;204, storage unit;205, display;206, control unit;207, bluetooth module;208, data interface;209, watchdog module. DETAILED DESCRIPTION

[0016] It should be explained that, in the case of no conflict, the embodiment in the application and the feature in the embodiment can be combined each other.

[0017] As Figure 1 And Figure 2As shown in the embodiment of this utility model, a measuring device for measuring the cathode erosion of an aluminum electrolytic cell is provided, including a measuring probe 1. The measuring probe 1 has a measuring head 101 at its bottom end and a handle 102 at its top. A measuring instrument 2 is fixedly connected to the measuring probe 1 near the handle 102. The measuring instrument 2 includes a microprocessor 201 and a power supply module 202 for power supply. The microprocessor 201 is an STM32 processor. The microprocessor 201 is electrically connected to a pose sensor 203, a storage unit 204, a display 205, and a control unit 206. The pose sensor 203 is an MPU6050 six-axis accelerometer-gyroscope.

[0018] The microprocessor 201 is electrically connected to the Bluetooth module 207.

[0019] The microprocessor 201 is electrically connected to a data interface 208; data can be easily exported by configuring the data interface 208.

[0020] The microprocessor 201 is electrically connected to the watchdog module 209.

[0021] The operating procedures for the aluminum electrolytic cell cathode erosion measuring device are as follows:

[0022] S1. Obtain real-time data from the measuring instrument 2 as the measuring probe 1 moves on the reference surface, specifically:

[0023] Place an aluminum plate on the style panel directly in front of the measured location as a reference surface;

[0024] Place the measuring head 101 of the measuring probe 1 against any point on the reference plane;

[0025] Keep measuring probe 1 tilted at 45 degrees;

[0026] Press the initialization settings button to initialize the position and orientation of the measuring instrument;

[0027] Draw an arbitrary circle on the reference plane using the measuring tip of measuring probe 1;

[0028] The triaxial acceleration (a) measured by measuring instrument 2 is obtained x1 a y1 a z1 ) and triaxial angular velocity (ω) x1 ω y1 ω z1 Real-time data is written to a file to obtain the initial data of the reference surface;

[0029] S2. Obtain real-time data from measuring instrument 2 during the longitudinal and transverse inspection of the measuring probe 1 at the bottom of the trench, specifically:

[0030] Pull out an anode, insert measuring probe 1 into the cathode surface inside the electrolytic cell, and move it continuously in a serpentine manner, starting from a corner point;

[0031] After all lateral and longitudinal data acquisitions are completed, the obtained triaxial accelerations (a) will be... x2 a y2 a z2 ) and triaxial angular velocity (ω) x2 ω y2 ω z2 The data is written to a file to obtain the initial data of the cathode surface;

[0032] S3. Store the data and export it to the terminal device, specifically:

[0033] After the collected initial data of the reference surface and the initial data of the cathode surface of the electrolytic cell are marked and saved, the data is copied and uploaded to the computer terminal using Bluetooth, USB flash drive or other storage devices.

[0034] S4. Within the terminal device, calculate the movement trajectory of the measuring head 101, specifically as follows:

[0035] Based on the key data of the datum a x1 a y1 a z1、 ω x1 ω y1 ω z1 The motion trajectory of measuring instrument 2 in three-dimensional space is calculated;

[0036] Based on the movement trajectory of the measuring instrument 2 in three-dimensional space during the acquisition of the reference surface, the movement trajectory data of the measuring head 101 on the reference surface is calculated by using the spatial positional relationship between the measuring instrument 2 and the measuring probe 1.

[0037] Based on key data from the cathode surface a x2 a y2 a z2、 ω x2 ω y2 ω z2 The motion trajectory of measuring instrument 2 in three-dimensional space is calculated;

[0038] Based on the displacement and angular change in three-dimensional space relative to the initial position during cathode surface data acquisition, the longitudinal and lateral movement trajectory data of the measuring head 101 on the cathode surface are calculated using the spatial positional relationship between the measuring instrument 2 and the measuring probe 1.

[0039] This invention, by setting up a pose sensor, can calculate the position and related data of the measuring head by acquiring the position and related data of the pose sensor, and then measure the surface profile of the cathode by having the measuring head abut against the cathode surface.

[0040] This invention has a simpler structure and is easier to operate during measurement; it is less affected by the external environment during measurement and the measured values ​​are more accurate.

[0041] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A device for measuring the cathode erosion of an aluminum electrolytic cell, comprising a measuring probe (1), wherein the measuring probe (1) has a measuring head (101) at its bottom end and a handle (102) at its top; characterized in that, A measuring instrument (2) is fixedly connected to the measuring probe (1) near the handle (102). The measuring instrument (2) includes a microprocessor (201) and a power supply module (202) for power supply. The microprocessor (201) is electrically connected to a pose sensor (203), a storage unit (204), a display (205), and a control unit (206).

2. The measuring device for cathode erosion in aluminum electrolytic cells as described in claim 1, characterized in that, The microprocessor (201) is electrically connected to a Bluetooth module (207).

3. The measuring device for cathode erosion in aluminum electrolytic cells as described in claim 1, characterized in that, The microprocessor (201) is electrically connected to a data interface (208).

4. The measuring device for cathode erosion in aluminum electrolytic cells as described in claim 1, characterized in that, The microprocessor (201) is electrically connected to a watchdog module (209).

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