CN212567699U - Temperature detection device in electrolytic cell - Google Patents
Temperature detection device in electrolytic cell Download PDFInfo
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- CN212567699U CN212567699U CN202021706905.8U CN202021706905U CN212567699U CN 212567699 U CN212567699 U CN 212567699U CN 202021706905 U CN202021706905 U CN 202021706905U CN 212567699 U CN212567699 U CN 212567699U
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Abstract
The utility model discloses a temperature-detecting device in electrolytic bath relates to the temperature detection technology field, which comprises a supporting arm, temperature measuring element, controller and display screen, temperature measuring element is used for stretching into to the electrolytic bath in, and carry out temperature detection to the fused salt in the electrolytic bath, the support arm is used for driving temperature measuring element and stretches into or stretch out in the electrolytic bath, temperature measuring element is connected with the controller electricity, the controller is connected with the display screen electricity, temperature measuring element converts the temperature signal that detects into the signal of telecommunication and gives the controller, the controller converts the signal of telecommunication into digital signal and gives the display screen, temperature-detecting device can the temperature of fused salt in the real-time detection tombarthite electrolytic bath in this electrolytic bath, and measurement accuracy is high.
Description
Technical Field
The utility model relates to the technical field of temperature detection, in particular to a temperature detection device in an electrolytic cell.
Background
At present, the automation level of the rare earth electrolysis production process is not high, the processing production is still judged by manual experience, and the production efficiency and the product quality of rare earth electrolysis production metal are seriously limited. The detection of the temperature of molten salt in the rare earth electrolytic cell is an important parameter of the rare earth electrolysis process, the real-time continuous temperature detection is a determining factor for realizing the automation of rare earth electrolysis production, and the real-time continuous temperature detection is directly related to the current efficiency and the product quality in the rare earth electrolysis process and also influences the production cost of rare earth electrolysis.
At present, the temperature detection of the rare earth molten salt is mainly carried out by adopting an artificial measurement mode, and the method mainly comprises the following two modes:
mode 1: the thermocouple of the temperature measuring element is placed in a sleeve made of ceramic or other materials, measurement is carried out manually, the measurement frequency is limited in the electrolytic process due to the high-temperature environment, real-time continuous measurement cannot be realized, and meanwhile, the measured data can only be displayed on the spot and is inconvenient to record, and in addition, the manual labor intensity of the measurement mode is high;
mode 2: the infrared thermometer is adopted for measurement, and the measurement mode can only measure the temperature of the surface of the molten salt and cannot measure the temperature of the bottom of the tank or the inside of the molten salt. As the fused salt releases the fluorine-containing gas in the rare earth electrolysis process, the lens of the infrared thermometer is corroded by the fluorine-containing gas after the infrared thermometer is placed above the electrolytic bath for a long time, and the measurement precision is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a temperature-detecting device in electrolytic cell to solve the problem that above-mentioned prior art exists, can the temperature of fused salt in the real-time detection tombarthite electrolytic cell, and measurement accuracy is high.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a temperature-detecting device in electrolytic bath, including support arm, temperature element, controller and display screen, temperature element is used for stretching into to the electrolytic bath in to fused salt carries out temperature detection in the electrolytic bath, the support arm is used for driving temperature element stretches into or stretches out in the electrolytic bath, temperature element with the controller electricity is connected, the controller with the display screen electricity is connected, temperature element converts the temperature signal that detects into the signal of telecommunication and transmits for the controller, the controller converts the signal of telecommunication into digital signal and transmits for the display screen.
Preferably, the support arm includes mount, linear guide, slider, drive element and connecting rod, the inside cavity of mount, linear guide installs in the mount, drive element set up in on the mount, just drive element is used for the drive the slider is in linear guide is last to be followed linear guide's length direction reciprocating motion, the one end of mount is equipped with rectangular hole, the length direction in rectangular hole with linear guide's length direction is unanimous, just the slider is being close to one side in rectangular hole is fixed the one end of connecting rod, the other end of connecting rod passes through the rectangular hole stretches out the mount, and with temperature element is fixed.
Preferably, the driving element comprises a servo motor and a ball screw, the servo motor is fixedly arranged on the fixing frame, an output shaft of the servo motor is fixed to the upper end of the ball screw, the lower end of the ball screw is rotatably connected with the inner bottom surface of the fixing frame, a ball nut is connected to the ball screw in a threaded mode, and the sliding block is fixed to the ball nut.
Preferably, the connecting rod comprises a horizontal rod and a vertical rod, the horizontal rod is parallel to the horizontal plane, the vertical rod is perpendicular to the horizontal plane, one end of the horizontal rod is used for being fixed on the sliding block, the other end of the horizontal rod is fixed with the upper end of the vertical rod, the lower end of the vertical rod is fixed with the temperature measuring element, and the vertical rod is used for extending into the electrolytic cell.
Preferably, the horizontal rods are made of high-temperature-resistant stainless steel materials, and the vertical rods are made of metal ceramic materials.
Preferably, the display screen is installed on the outer surface of the fixing frame, the controller is fixed in the fixing frame, the connecting rod is hollow, and a lead for connecting the temperature measuring element and the controller is accommodated in the inner cavity of the connecting rod.
Preferably, still include the workstation, the lower extreme of support arm with the workstation rotates to be connected, just the support arm can rotate on the workstation.
Preferably, the temperature measuring element is a thermocouple.
The utility model discloses for prior art gain following technological effect:
the utility model provides an in-cell temperature-detecting device, temperature element is used for stretching into to the electrolysis trough in, and carry out temperature detection to the fused salt in the electrolysis trough, so as to realize real-time continuous temperature measurement, and temperature element can stretch into to the fused salt in, improve measurement accuracy, guarantee measuring result's accuracy, the support arm is used for driving temperature element and stretches into or stretch out in the electrolysis trough, thereby do not need the handheld temperature-detecting device of operating personnel, the labour is practiced thrift, temperature element is connected with the controller electricity, the controller is connected with the display screen electricity, temperature element converts the temperature signal that detects into the signal of telecommunication and transmits for the controller, the controller converts the signal of telecommunication into digital signal and transmits for the display screen, the value is conveniently read.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view showing the structure of a device for detecting temperature in an electrolytic cell according to the present invention;
in the figure: 1-servo motor, 2-linear guide rail, 3-slide block, 4-fixing frame, 5-display screen, 6-workbench, 7-horizontal rod, 8-vertical rod, 9-temperature measuring element and 10-electrolytic bath.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a temperature-detecting device in electrolytic cell to molten salt temperature can't obtain real-time detection in solving current tombarthite electrolytic cell, detects the technical problem that the precision is low.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in figure 1, the utility model provides a temperature detection device in electrolytic bath, mainly suitable for the temperature detection of fused salt in the rare earth electrolytic bath, including support arm, temperature element 9, a controller and a display screen 5, temperature element 9 is used for stretching into electrolytic bath 10, and carry out temperature detection to fused salt in electrolytic bath 10, so as to realize real-time continuous temperature measurement, and temperature element 9 can stretch into fused salt, improve measurement accuracy, guarantee the accuracy of measurement result, support arm is used for driving temperature element 9 to stretch into or stretch out from electrolytic bath 10, thereby do not need the temperature measurement device to be held by an operator, save labor force, temperature element 9 is electrically connected with the controller, the controller is electrically connected with display screen 5, temperature element 9 converts the detected temperature signal into an electrical signal and transmits the electrical signal to the controller, the controller converts the electrical signal into a digital signal and transmits the electrical signal to display screen 5, the reading is convenient.
Specifically, the supporting arm comprises a fixing frame 4, a linear guide rail 2, a sliding block 3, a driving element and a connecting rod, the fixing frame 4 is hollow, and is convenient for installing other elements, the linear guide rail 2 is installed in the fixing frame 4, the driving element is arranged on the fixing frame 4 and is used for driving the sliding block 3 to reciprocate on the linear guide rail 2 along the length direction of the linear guide rail 2, so that the moving stability of the sliding block 3 is ensured, one end of the fixing frame 4 is provided with a long hole, the length direction of the long hole is consistent with the length direction of the linear guide rail 2, the sliding block 3 is fixed at one end of the connecting rod at one side close to the long hole, the other end of the connecting rod extends out of the fixing frame 4 through the long hole and is fixed with the temperature measuring element 9, the height of the connecting rod is conveniently adjusted through the linear guide rail 2 and the sliding block 3, so that the height of the, and the temperature measuring element 9 is positioned right above the electrolytic cell 10, the linear guide rail 2 is controlled to rotate to drive the sliding block 3, the connecting rod and the temperature measuring element 9 to descend when the fused salt temperature in the electrolytic cell 10 needs to be observed, the temperature is detected until the temperature measuring element 9 extends into the electrolytic cell 10, and when the electrolysis is finished or the temperature does not need to be observed, the linear guide rail 2 is controlled to rotate in the opposite direction to drive the sliding block 3, the connecting rod and the temperature measuring element 9 to ascend until the temperature measuring element 9 leaves the electrolytic cell 10.
The driving element comprises a servo motor 1 and a ball screw, the servo motor 1 is fixedly arranged on a fixed frame 4, an output shaft of the servo motor 1 is fixed with the upper end of the ball screw, the lower end of the ball screw is rotatably connected with the inner bottom surface of the fixed frame, the ball screw is in threaded connection with a ball nut, a sliding block 3 is fixed on the ball nut, when the servo motor 1 drives the ball screw to rotate, the ball nut moves along the length direction of the ball screw under the limitation of a linear guide rail, so as to drive the sliding block 3 to move, preferably, the positions, close to the upper end and the lower end of the ball screw, in the fixed frame 4 are respectively provided with a limit switch, the two limit switches are respectively and electrically connected with the driving element and are used for controlling the operation and the stop of the driving element, when the sliding block 3 moves to contact with any limit switch, the, however, the connection and transmission mode of the linear guide rail 2 and the slider 3 in the temperature detection device in the electrolytic cell provided by the utility model are not limited to the above limitation, and the linear guide rail 2 can drive the slider 3 and the connecting rod to move up and down through the matching of the gear and the shaft or other conventional transmission modes.
The connecting rod includes horizon bar 7 and vertical pole 8, and horizon bar 7 is parallel with the horizontal plane, and vertical pole 8 is perpendicular with the horizontal plane, and the one end of horizon bar 7 is used for fixing on slider 3, and the other end is fixed with the upper end of vertical pole 8, and temperature measurement element 9 is fixed to the lower extreme of vertical pole 8, and in vertical pole 8 was used for stretching into 10 electrolysis trough, guaranteed horizon bar 7 and vertical pole 8 can drive temperature measurement element 9 and stretch into or stretch out 10 electrolysis trough.
The horizontal pole 7 is made for high temperature resistant stainless steel material, prevents the electrolysis in-process, because the fused salt temperature is too high, influences the intensity of horizontal pole 7, and vertical pole 8 is made for cermet material, and is high temperature resistant, and difficult oxidation, and it is difficult to corrode in stretching into the fused salt, guarantees the measurement to the fused salt temperature, and increase of service life.
The utility model provides a temperature-detecting device in electrolytic bath still includes workstation 6, and the lower extreme and the workstation 6 of support arm rotate to be connected, and the support arm can rotate on workstation 6, is convenient for carry out other operations to electrolytic bath 10 in, shift out connecting rod and temperature element 9 electrolytic bath 10 top, and directly through operating personnel hand dial the support arm can, easy operation.
The temperature measuring element 9 is a thermocouple, the thermocouple is in direct contact with the molten salt, the temperature measuring accuracy is high, the structure is simple, the maintenance is convenient, the dynamic response speed is high, the temperature measuring range is wide, signals can be transmitted remotely, and the centralized detection and automatic control are convenient.
When the thermocouple is used for temperature detection, the output signal of the thermocouple is sent to a signal acquisition unit of a temperature detection circuit, and a high-frequency sampling mode is adopted to acquire the signal, wherein the sampling period is 100 ms;
sending the collected signals to a signal processing unit of a temperature detection circuit, filtering the collected signals, removing stray signals and interference signals, and leaving useful signals;
the signal processing unit sends the processed signals to the operation unit of the temperature detection circuit, the signal value is converted into a corresponding temperature value through the operation unit, the temperature value is stored and sent to the display screen 5, and real-time continuous detection of the temperature of the molten salt in the rare earth electrolytic cell 10 is achieved.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. An in-cell temperature detection device characterized in that: including support arm, temperature element, controller and display screen, temperature element is used for stretching into to the electrolysis trough in to fused salt carries out temperature detection in to the electrolysis trough, the support arm is used for driving temperature element stretches into or stretches out in the electrolysis trough, temperature element with the controller electricity is connected, the controller with the display screen electricity is connected, temperature signal conversion that temperature element will detect gives the signal of telecommunication and transmits for the controller, the controller converts the signal of telecommunication into digital signal and transmits for the display screen.
2. The apparatus for detecting the temperature in an electrolytic cell according to claim 1, wherein: the support arm includes mount, linear guide, slider, drive element and connecting rod, the inside cavity of mount, linear guide installs in the mount, drive element set up in on the mount, just drive element is used for the drive the slider is in linear guide is last to be followed linear guide's length direction reciprocating motion, the one end of mount is equipped with rectangular hole, the length direction in rectangular hole with linear guide's length direction is unanimous, just the slider is being close to one side in rectangular hole is fixed the one end of connecting rod, the other end of connecting rod passes through the rectangular hole stretches out the mount, and with temperature element is fixed.
3. The apparatus for detecting the temperature in an electrolytic cell according to claim 2, wherein: the driving element comprises a servo motor and a ball screw, the servo motor is fixedly arranged on the fixing frame, an output shaft of the servo motor is fixed to the upper end of the ball screw, the lower end of the ball screw is rotatably connected with the inner bottom surface of the fixing frame, a ball nut is in threaded connection with the ball screw, and the sliding block is fixed to the ball nut.
4. The apparatus for detecting the temperature in an electrolytic cell according to claim 2, wherein: the connecting rod comprises a horizontal rod and a vertical rod, the horizontal rod is parallel to the horizontal plane, the vertical rod is perpendicular to the horizontal plane, one end of the horizontal rod is used for being fixed on the sliding block, the other end of the horizontal rod is fixed with the upper end of the vertical rod, the lower end of the vertical rod is fixed with the temperature measuring element, and the vertical rod is used for extending into the electrolytic bath.
5. The apparatus for detecting the temperature in an electrolytic cell according to claim 4, wherein: the horizontal rods are made of high-temperature-resistant stainless steel materials, and the vertical rods are made of metal ceramic materials.
6. The apparatus for detecting the temperature in an electrolytic cell according to claim 2, wherein: the display screen is installed the mount surface, the controller is fixed in the mount, the connecting rod is inside cavity, and the wire that connects temperature element with the controller passes through the connecting rod inner chamber is accomodate.
7. The apparatus for detecting the temperature in an electrolytic cell according to claim 1, wherein: still include the workstation, the lower extreme of support arm with the workstation rotates to be connected, just the support arm can rotate on the workstation.
8. The apparatus for detecting the temperature in an electrolytic cell according to claim 1, wherein: the temperature measuring element is a thermocouple.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021706905.8U CN212567699U (en) | 2020-08-17 | 2020-08-17 | Temperature detection device in electrolytic cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021706905.8U CN212567699U (en) | 2020-08-17 | 2020-08-17 | Temperature detection device in electrolytic cell |
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| CN212567699U true CN212567699U (en) | 2021-02-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124700A (en) * | 2021-04-27 | 2021-07-16 | 中国电建集团江西装备有限公司 | Fused salt energy storage and heat exchange device and operation method thereof |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124700A (en) * | 2021-04-27 | 2021-07-16 | 中国电建集团江西装备有限公司 | Fused salt energy storage and heat exchange device and operation method thereof |
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