CN215925102U - Automatic liquid level control system for magnesium electrolytic cell - Google Patents
Automatic liquid level control system for magnesium electrolytic cell Download PDFInfo
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- CN215925102U CN215925102U CN202122038076.1U CN202122038076U CN215925102U CN 215925102 U CN215925102 U CN 215925102U CN 202122038076 U CN202122038076 U CN 202122038076U CN 215925102 U CN215925102 U CN 215925102U
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Abstract
The utility model discloses a magnesium electrolytic tank liquid level automatic control system, belonging to the technical field of magnesium electrolytic tanks and solving the problem of poor control effect of the magnesium electrolytic tank liquid level manually in the prior art, comprising a magnesium electrolytic tank, a liquid level adjusting tank and a high-pressure air pump connected with the liquid level adjusting tank through a pipeline, wherein electrolyte is contained in the magnesium electrolytic tank, and the liquid level adjusting tank is provided with an air inlet pipeline and an exhaust pipeline, and the magnesium electrolytic tank liquid level automatic control system is characterized by also comprising a liquid level detection device, a controller, a computer, an electromagnetic pressurizing valve on the air inlet pipeline of the liquid level adjusting tank and an electromagnetic pressure relief valve on the exhaust pipeline of the liquid level adjusting tank, wherein the controller is electrically connected with the liquid level detection device, the electromagnetic pressurizing valve, the electromagnetic pressure relief valve, the high-pressure air pump, the liquid level adjusting tank and the computer respectively, and aims to realize automatic control of the liquid level of the magnesium electrolytic tank, the yield of the magnesium electrolytic cell is improved.
Description
Technical Field
The utility model belongs to the technical field of magnesium electrolytic cells, and particularly relates to an automatic liquid level control system of a magnesium electrolytic cell.
Background
The molten salt electrolysis process for smelting magnesium refers to a magnesium smelting process for producing magnesium from magnesium chloride and electrolyzing molten magnesium chloride to produce magnesium metal, in industrial production, a plurality of magnesium electrolysis tanks are connected in series and are fed with direct current, and direct current is fed into an electrolysis tank containing molten salt electrolyte containing MgCl2, and MgCl is fed into the electrolysis tank2The decomposition occurs, magnesium metal is precipitated at the cathode, and chlorine gas is precipitated at the anode. Because magnesium chloride in the electrolyte is continuously consumed by electrolysis and reduced, and magnesium and chlorine are discharged in time, the height of the electrolyte in the magnesium electrolytic tank is continuously reduced, namely the liquid level is reduced, when the liquid level is lower than the lower limit of the standard range, high-pressure gas is filled into a liquid level adjusting tank in the magnesium electrolytic tank, the liquid level can be increased by the liquid level adjusting tank, and finally the liquid level is increased to the standard range. This allows the liquid level to be maintained within the required standard range.
In actual production, the liquid level of each magnesium electrolytic cell is usually monitored and controlled by workers. A worker operates the air inlet and air outlet valves of the liquid level regulating tank according to the liquid level indicated by a magnesium liquid level detecting pipe (a differential pressure gauge) of the on-site electrolytic tank to keep the liquid level, in the range, the worker operates the valves of the liquid level regulating tank once every 10 minutes, when a plurality of electrolytic tanks operate, the operation is quite frequent, the fluctuation of the liquid level is large, the output of the electrolytic tank is influenced, the liquid level of the magnesium electrolytic tank exceeds the standard range frequently due to the fact that manual monitoring and control are not in place, and the current efficiency of the magnesium electrolytic tank is reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide an automatic liquid level control system for a magnesium electrolytic cell, which can realize automatic control of the liquid level of the magnesium electrolytic cell and improve the yield of the magnesium electrolytic cell.
The technical scheme adopted by the utility model is as follows:
the utility model provides a magnesium electrolysis trough liquid level automatic control system, including the magnesium electrolysis trough, the liquid level regulating tank, the high compression pump with liquid level regulating tank pipe connection, the magnesium electrolysis trough holds electrolyte, be provided with admission line and exhaust duct on the liquid level regulating tank, still including setting up the liquid level detection device in magnesium electrolysis trough one side, a controller, a computer, and the electromagnetism pressure charging valve on the liquid level regulating tank admission line, the electromagnetism relief valve on the liquid level regulating tank exhaust duct, a controller respectively with liquid level detection device, the electromagnetism pressure charging valve, the electromagnetism relief valve, the high compression pump, the liquid level regulating tank, and computer electric connection.
By adopting the technical scheme, the upper and lower threshold values of the liquid level are set in the computer in advance, the liquid level detection device automatically monitors the liquid level, the range interval control mode is adopted, when the liquid level exceeds the threshold value, the controller automatically controls the corresponding valve, the adjustment of the liquid level of the electrolytic cell is realized, the remote automatic control of the liquid level of the magnesium electrolytic cell can be realized, the labor intensity of field workers can be reduced, meanwhile, the error caused by manual operation is avoided, the liquid level control precision of the magnesium electrolytic cell is improved, the current efficiency is improved, the unit power consumption of metal magnesium is reduced, the computer can simultaneously display the liquid level of the magnesium electrolytic cell on the control panel, and the real-time observation of the liquid level of the magnesium electrolytic cell is realized.
Further, the liquid level detection device comprises a pipe body, the upper end and the lower end of the pipe body are suitable for being respectively communicated with the upper end and the lower end of the magnesium electrolytic tank, a sliding rail in the vertical direction is fixedly connected to the inner wall of the pipe body, two touch switches are fixedly connected to the sliding rail, the setting positions of the touch switches are respectively used as a high reference liquid level and a low reference liquid level, a liquid level floating ball is further connected to the sliding rail in a sliding mode, and the liquid level floating ball is arranged between the upper touch switch and the lower touch switch. Through communicating body and electrolysis trough, make the liquid level in the body the same with the liquid level in the magnesium electrolysis trough, the liquid level floater reciprocates to the liquid level, with the upper and lower touch switch contact realize the monitoring to liquid level in the magnesium electrolysis trough, simple structure, the cost is lower to the accurate nature of electrolysis trough liquid level control has been improved to an economic effectual mode.
Furthermore, the two touch switches are respectively fixed on the slide rail through screws.
Further, be provided with transparent observation window on the body, be provided with the liquid level scale on the observation window. By adopting the technical scheme, an operator can also directly observe the liquid level condition in the magnesium electrolytic cell through the observation window, and further can make a further scheme.
Further, still be provided with manual pressure charging valve on the admission line, manual pressure charging valve and electromagnetism pressure charging valve are parallelly connected each other, still be provided with manual relief valve on the exhaust duct, manual relief valve and electromagnetism relief valve are parallelly connected each other. Adopt this preferred technical scheme, break down or other needs carry out manual control's circumstances under electromagnetic relief valve or electromagnetism pressure charging valve breaks down, can close automatic liquid level control mode through the computer, through manual control manual pressure charging valve and manual relief valve, realize convenient and fast to the manual control of liquid level.
Preferably, the high and low reference levels are set at 2710mm ± 5mm and 2680mm, respectively.
Preferably, the liquid level floating ball is a metal floating ball.
Preferably, the controller adopts the PLC controller, and the PLC controller has the reliability height, and the interference killing feature is strong, and is supporting complete, and the function is perfect, and the suitability is strong, easily learns easily to use, and the design of system, construction work load are little, and it is convenient to maintain, and easy transformation is small, light in weight, advantage that the energy consumption is low, is applicable to in this scheme.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. the realization realizes realizing long-range automatic control to magnesium electrolysis cell liquid level, can alleviate on-the-spot workman's intensity of labour, avoids the error that manual operation brought simultaneously, improves magnesium electrolysis cell liquid level control precision to improve current efficiency, reduce magnesium metal unit power consumption, the computer can be with magnesium electrolysis cell liquid level simultaneous display control panel on, realize the real-time observation to the magnesium electrolysis cell liquid level.
2. Through communicating body and electrolysis trough, make the liquid level in the body the same with the liquid level in the magnesium electrolysis trough, the liquid level floater reciprocates to the liquid level, with the upper and lower touch switch contact realize the monitoring to liquid level in the magnesium electrolysis trough, simple structure, the cost is lower to the accurate nature of electrolysis trough liquid level control has been improved to an economic effectual mode.
3. The tube body is provided with a transparent observation window, the observation window is provided with a liquid level graduated scale, and an operator can directly observe the liquid level condition in the magnesium electrolytic cell through the observation window, so that the further scheme can be formulated.
4. Still be provided with manual pressure charging valve on the admission line, manual pressure charging valve and electromagnetism pressure charging valve are parallelly connected each other, still be provided with manual relief valve on the exhaust duct. Manual relief valve and electromagnetism relief valve are parallelly connected each other, and under electromagnetism relief valve or electromagnetism pressure charging valve broke down or other needs carried out manual control's circumstances, can close automatic liquid level control mode through the computer, through manual control manual pressure charging valve and manual relief valve, realize convenient and fast to the manual control of liquid level.
Drawings
The utility model will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of an automatic control system for the liquid level of a magnesium electrolytic cell in the utility model;
FIG. 2 is a schematic view of a viewing window on the tube body according to the present invention;
FIG. 3 is a schematic diagram of the valve arrangement on the inlet and exhaust ducts of the present invention;
fig. 4 is a schematic structural view of the tube body according to the present invention.
Reference numerals
The device comprises a magnesium electrolytic tank 1, a liquid level adjusting tank 2, a high-pressure air pump 3, an electrolyte 4, an air inlet pipeline 5, an air exhaust pipeline 6, a liquid level detecting device 7, an electromagnetic pressurizing valve 8, an electromagnetic pressure relief valve 9, a manual pressurizing valve 10, a manual pressure relief valve 11, a pipe body 701, a slide rail 702, a touch switch 703, a high reference liquid level 704, a low reference liquid level 705, a liquid level floating ball 706, an observation window 707 and a liquid level scale 708.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of embodiments of the present application, generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The present invention will be described in detail with reference to fig. 1 to 4.
A magnesium electrolytic cell liquid level automatic control system comprises a magnesium electrolytic cell 1, a liquid level adjusting tank 2 and a high pressure air pump 3 connected with the liquid level adjusting tank 2 through a pipeline, wherein electrolyte for production is contained in the magnesium electrolytic cell 1, the electrolyte forms an electrolyte liquid level, the liquid level adjusting tank 2 is arranged below the electrolyte liquid level in the magnesium electrolytic cell 1, an air inlet pipeline 5 and an exhaust pipeline 6 are arranged on the liquid level adjusting tank 2, the input end of the liquid level adjusting tank 2 is connected with one end of an electromagnetic pressurizing valve 8 and one end of an electromagnetic pressure relief valve 9 through the air inlet pipeline 5, the electromagnetic pressurizing valve 8 is connected with the high pressure air pump 3 through the air inlet pipeline 5, the electromagnetic pressure relief valve 9 is communicated with air through the exhaust pipeline 6,
further, in order to realize that two kinds of control methods of manual and automatic coexist, still be provided with manual pressure charging valve 10 on the admission line 5, manual pressure charging valve 10 and electromagnetism pressure charging valve 8 are parallelly connected each other, still be provided with manual relief valve 11 on the exhaust duct 6, manual relief valve 11 and electromagnetism relief valve 9 are parallelly connected each other, and under electromagnetism relief valve 9 or electromagnetism pressure charging valve 8 broke down or other circumstances that need carry out manual control, can close automatic liquid level control mode through the computer, through manual pressure charging valve 10 of manual control and manual relief valve 11, the realization is to the manual control of liquid level, convenient and fast.
In order to reduce the labor intensity of field workers and avoid errors caused by manual operation, the liquid level control precision of the magnesium electrolytic tank 1 is improved, so that the current efficiency is improved, the unit power consumption of metal magnesium is reduced, and the automatic real-time control of the liquid level is realized, the automatic control device further comprises a liquid level detection device 7, a controller and a computer, wherein the liquid level detection device 7, the controller and the computer are arranged on one side of the magnesium electrolytic tank 1, and the controller is electrically connected with the liquid level detection device 7, the electromagnetic pressurizing valve 8, the electromagnetic pressure release valve 9, the high-pressure air pump 3, the liquid level adjusting tank 2 and the computer respectively. The upper and lower threshold values of the liquid level are set in the computer in advance, the liquid level detection device 7 automatically monitors the liquid level height, the mode of range interval control is adopted, when the liquid level exceeds the threshold value, the controller automatically controls the corresponding valve, the adjustment of the liquid level height of the electrolytic cell is realized, the remote automatic control of the liquid level of the magnesium electrolytic cell 1 can be realized, and the computer can simultaneously display the liquid level of the magnesium electrolytic cell 1 on the control panel to realize the real-time observation of the liquid level of the magnesium electrolytic cell 1.
Further, the liquid level detection device 7 is implemented by a specific structure including a pipe body 701, the pipe body 701 is provided with openings at the upper and lower sides, the magnesium electrolytic tank 1 is also provided with openings correspondingly, the openings are directly communicated through a pipeline, so that the liquid level in the pipe body 701 is the same as the liquid level in the magnesium electrolytic tank 1, the inner wall of the pipe body 701 is fixedly connected with a vertical slide rail 702, the slide rail 702 is fixedly connected with two touch switches 703 through bolts, the positions where the touch switches 703 are arranged are respectively used as a high reference liquid level 704 and a low reference liquid level 705, the slide rail 702 is further connected with a liquid level floating ball 706 in a sliding manner, the liquid level floating ball 706 is arranged between the upper and lower touch switches 703, and along with the lifting of the liquid level in the magnesium electrolytic tank 1, the liquid level floating ball 706 moves up and down along with the liquid level, the liquid level 706 is overlapped with the touch switches 703 upwards or downwards, so as to feed back the liquid level signal to the controller, and then the opening or closing of the corresponding control electromagnetic valve is controlled, the monitoring of the liquid level in the magnesium electrolytic cell 1 is realized, the structure is simple, the cost is lower, and the accuracy of the liquid level control of the electrolytic cell is improved in an economic and effective mode.
Further, a transparent observation window 707 is arranged on the pipe body 701, a liquid level scale 708 is arranged on the observation window 707, and the scale range of the scale 708 is 0-3000 mm. The operator can directly observe the liquid level in the magnesium electrolytic cell 1 through the observation window 707, and further can make further schemes.
Preferably, the high reference level 704 and the low reference level 705 are set at 2710mm ± 5mm and 2680mm, respectively, while the standard level is set at 2700 mm.
Preferably, the low level float 706 is a metal float.
Preferably, the controller adopts the PLC controller, and the PLC controller has the reliability height, and the interference killing feature is strong, and is supporting complete, and the function is perfect, and the suitability is strong, easily learns easily to use, and the design of system, construction work load are little, and it is convenient to maintain, and easy transformation is small, light in weight, advantage that the energy consumption is low, is applicable to in this scheme.
The working principle is as follows: when the electrolytic bath liquid level system is used, the high reference liquid level 7042710mm +/-5 mm and the low reference liquid level 7052680mm of the liquid level are set in the computer in advance, so that the liquid level of the liquid level floating ball 706 is positioned on the liquid level between 2680mm and 2710 mm;
when the liquid level is lower than the low reference liquid level 705 when the liquid level is lowered, the liquid level floating ball 706 is in lap joint with the lower touch switch 703, the liquid level detection device 7 transmits and feeds back a liquid level signal to the controller, and simultaneously exchanges information with the computer, the controller collects and analyzes the information, sends an instruction to the pressurizing electromagnetic valve, controls the pressurizing electromagnetic valve to be opened, opens the high-pressure air pump 3, high-pressure air enters the liquid level adjusting tank 2 through the pressurizing electromagnetic valve, the liquid level adjusting tank 2 is filled with the high-pressure air and then rises along with the electrolyte liquid level until the standard liquid level is reached 2700mm, the controller sends a signal, controls the pressurizing electromagnetic valve to be closed, and keeps the electrolyte liquid level of the magnesium electrolytic tank 1 within a standard range.
When the liquid level rises to exceed the upper limit of the high reference liquid level 704, the liquid level floating ball 706 is in lap joint with the upper touch switch 703, the liquid level detection device 7 transmits and feeds back a liquid level signal to the controller, and simultaneously exchanges information with the computer, the controller collects and analyzes the information, sends an instruction to the pressurizing electromagnetic valve, controls the pressure relief electromagnetic valve to open, discharges the pressure relief electromagnetic valve by waste gas in the liquid level adjusting tank 2, then the electrolyte liquid level descends, and after the standard liquid level 2700mm is reached, the controller sends a signal, controls the pressure relief electromagnetic valve to close, and keeps the electrolyte liquid level of the magnesium electrolytic tank 1 within a standard range.
When the electromagnetic pressure relief valve 9 or the electromagnetic pressure charging valve 8 breaks down or other conditions needing manual control are met, the automatic liquid level control mode can be closed through a computer, and manual control over the liquid level is achieved through the manual pressure charging valve 10, the manual pressure relief valve 11, the high-pressure air pump 3 and the liquid level adjusting tank 2 in manual control, so that the liquid level is conveniently and quickly controlled.
It should be noted that the principles of automatic control, computer control, etc. referred to in this application are prior art and therefore not specifically set forth in this application.
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 within the protection scope of the present application.
Claims (8)
1. An automatic liquid level control system of a magnesium electrolytic tank comprises a magnesium electrolytic tank (1), a liquid level adjusting tank (2) and a high-pressure air pump (3) connected with the liquid level adjusting tank (2) through a pipeline, wherein electrolyte (4) is contained in the magnesium electrolytic tank (1), the liquid level adjusting tank (2) is provided with an air inlet pipeline (5) and an air exhaust pipeline (6), the device is characterized by further comprising a liquid level detection device (7) arranged on one side of the magnesium electrolytic tank (1), a controller, a computer, an electromagnetic pressurizing valve (8) arranged on an air inlet pipeline (5) of the liquid level adjusting tank (2), and an electromagnetic pressure relief valve (9) arranged on an exhaust pipeline (6) of the liquid level adjusting tank (2), wherein the controller is electrically connected with the liquid level detection device (7), the electromagnetic pressurizing valve (8), the electromagnetic pressure relief valve (9), the high-pressure air pump (3), the liquid level adjusting tank (2) and the computer respectively.
2. The automatic control system for the liquid level of the magnesium electrolytic cell according to claim 1, wherein the liquid level detection device (7) comprises a pipe body (701), the upper end and the lower end of the pipe body (701) are suitable for being respectively communicated with the upper end and the lower end of the magnesium electrolytic cell (1), a slide rail (702) in the vertical direction is fixedly connected to the inner wall of the pipe body (701), two touch switches (703) are fixedly connected to the slide rail (702), the setting positions of the touch switches (703) are respectively used as a high reference liquid level (704) and a low reference liquid level (705), a liquid level floating ball (706) is further slidably connected to the slide rail (702), and the liquid level floating ball (706) is arranged between the upper touch switch and the lower touch switch (703).
3. The automatic control system for the liquid level of the magnesium electrolytic cell is characterized in that the two touch switches (703) are respectively fixed on the sliding rail (702) through screws.
4. The automatic control system for the liquid level of the magnesium electrolytic cell according to claim 2, wherein a transparent observation window (707) is arranged on the pipe body (701), and a liquid level scale (708) is arranged on the observation window (707).
5. An automatic control system for the liquid level of a magnesium electrolytic cell according to claim 2, characterized in that said high (704) and low (705) reference levels are set at 2710mm ± 5mm and 2680mm, respectively.
6. The automatic control system for the liquid level of the magnesium electrolytic cell according to claim 2, wherein the liquid level floating ball (706) is a metal floating ball.
7. The automatic control system for the liquid level of the magnesium electrolytic cell according to claim 1, wherein a manual pressurizing valve (10) is further arranged on the gas inlet pipeline (5), the manual pressurizing valve (10) and the electromagnetic pressurizing valve (8) are connected in parallel, a manual pressure relief valve (11) is further arranged on the gas exhaust pipeline (6), and the manual pressure relief valve (11) and the electromagnetic pressure relief valve (9) are connected in parallel.
8. The automatic control system for the liquid level of the magnesium electrolytic cell according to claim 1, wherein the controller is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122038076.1U CN215925102U (en) | 2021-08-25 | 2021-08-25 | Automatic liquid level control system for magnesium electrolytic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122038076.1U CN215925102U (en) | 2021-08-25 | 2021-08-25 | Automatic liquid level control system for magnesium electrolytic cell |
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| Publication Number | Publication Date |
|---|---|
| CN215925102U true CN215925102U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122038076.1U Active CN215925102U (en) | 2021-08-25 | 2021-08-25 | Automatic liquid level control system for magnesium electrolytic cell |
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| CN (1) | CN215925102U (en) |
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2021
- 2021-08-25 CN CN202122038076.1U patent/CN215925102U/en active Active
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