CN213507232U - Electrolytic cell with thermostatic device - Google Patents
Electrolytic cell with thermostatic device Download PDFInfo
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- CN213507232U CN213507232U CN202022598866.0U CN202022598866U CN213507232U CN 213507232 U CN213507232 U CN 213507232U CN 202022598866 U CN202022598866 U CN 202022598866U CN 213507232 U CN213507232 U CN 213507232U
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Abstract
The utility model discloses an electrolytic bath with a constant temperature device, which comprises an electrolytic bath and a constant temperature device; the electrolytic cell comprises a cell body, wherein an anode bottom plate support frame is arranged at the bottom of an inner cavity of the cell body, and an anode conductive bottom plate, an anode metal tin ingot, a cathode conductive support frame and a cathode conductive plate are sequentially stacked on the anode bottom plate support frame from bottom to top; the constant temperature device comprises a temperature sensing probe arranged in an inner cavity of the tank body, a DCS automatic control device arranged outside the tank body, and a hot water coil and a cold water coil which are spirally wound and arranged on the outer surface clinging to the side wall of the tank body. By adopting the device, the temperature of the electrolyte in the electrolytic cell can be kept relatively constant between 40 ℃ and 50 ℃, and the stable work of the electrolyte is simply and effectively realized.
Description
Technical Field
The utility model relates to the field of electrolytic devices, in particular to an electrolytic tank with a constant temperature device.
Background
At present, the electrolytic tanks for producing chemicals by electrolysis in workshops all adopt cuboid-shaped electrolytic tanks, the cathodes and the anodes of electrolysis are horizontally and parallelly arranged and are stacked together layer by layer, the cathodes and the anodes are separated by PVC supports, dilute sulfuric acid is additionally added from the upper part of the electrolytic tanks in the electrolytic process, and the chemicals produced by electrolysis flow out from the lower part of the electrolytic tanks due to large specific gravity. In the electrolytic production process, due to environmental factors, human factors and electrolytic bath system variation factors, the temperature of the electrolytic bath may be too high or too low, the temperature of the electrolytic bath is too low, the viscosity of the electrolyte is high, the conductivity is low, the voltage of the electrolytic bath rises to influence the current efficiency, the temperature needs to be improved, the specific conductivity of the electrolyte can be increased by improving the temperature, the friction force of ions moving through a solvent is reduced, and the voltage of the electrolytic bath is reduced; the excessive temperature of the electrolytic cell can cause the evaporation of water in the electrolyte to increase, the acid gas overflow amount to increase, the 2-valent tin in the electrolyte is easier to hydrolyze and oxidize, the next production is influenced, the excessive temperature can also easily induce the passivation phenomenon on the surface of the anode, and the PVC of the electrolytic cell can be deformed even at high temperature for a long time, so the temperature control of the electrolytic cell is needed.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide an electrolytic cell with a constant temperature electrolytic device, which has simple structure and convenient use.
In order to solve the technical problem, the utility model provides an electrolytic bath with a constant temperature device, which comprises an electrolytic bath and a constant temperature device;
the electrolytic tank comprises a tank body, the tank body is a container with an opening at the top, and an electrolyte outlet with a switch is arranged on the side wall of the tank body and close to the bottom; an anode bottom plate support frame is arranged at the bottom of the inner cavity of the cell body, and an anode conductive bottom plate, an anode metal tin ingot, a cathode conductive support frame and a cathode conductive plate are sequentially stacked on the anode bottom plate support frame from bottom to top;
the constant temperature device comprises a temperature sensing probe arranged inside the tank body, a DCS automatic control device arranged outside the tank body, and a hot water coil pipe and a cold water coil pipe which are spirally wound and arranged close to the outer surface of the side wall of the tank body;
the temperature sensing probe is in signal connection with the DCS automatic control device;
the two ends of the hot water coil are respectively provided with a hot water inlet valve and a hot water outlet valve, the two ends of the cold water coil are respectively provided with a cold water inlet valve and a cold water outlet valve, and the hot water inlet valve, the hot water outlet valve, the cold water inlet valve and the cold water outlet valve are respectively connected with the DCS automatic control device through signals.
As the improvement of the electrolytic bath with the constant temperature device of the utility model:
the height of the temperature sensing probe is positioned between the anode bottom plate support frame and the cathode conductive support frame.
As a further improvement of the electrolytic bath with the constant temperature device of the utility model:
the anode conductive bottom plate is a rectangular thin plate, a rectangular through hole is formed in the center of the anode conductive bottom plate, the length of the rectangular through hole is smaller than that of the anode metal tin ingot, and the width of the rectangular through hole is larger than that of the anode metal tin ingot; the anode conductive tin bar is a circular arc-shaped strip, one end of the anode conductive tin bar is fixedly connected with the anode conductive bottom plate, and the other end of the anode conductive tin bar extends out of the top opening of the tank body;
the anode metal tin ingot is horizontally placed on the anode conductive base plate along the length direction and spans the rectangular through hole;
the negative pole current conducting plate includes mainboard and negative pole electrically conductive tin bar, and the mainboard is the sheet metal of "feng" font, and negative pole electrically conductive tin bar is convex rectangular, and the one end and the mainboard fixed connection of negative pole electrically conductive tin bar, the other end upwards stretch out the open-top of cell body.
As a further improvement of the electrolytic bath with the constant temperature device of the utility model:
the anode bottom plate support frame and the cathode conductive support frame are of frame structures formed by pipes, the height of the anode bottom plate support frame is not higher than 10cm, and the height of the cathode conductive support frame is smaller than that of the anode bottom plate support frame.
The DCS automatic control device can be easily obtained by a conventional commercially available method.
The beneficial effects of the utility model are mainly embodied in that:
1. the utility model utilizes the temperature sensing probe signal to detect the temperature of the electrolyte in real time, and the DSC automatic control device controls the hot water inlet valve, the hot water outlet valve, the cold water inlet valve and the cold water outlet valve to control the flow of cold water and hot water, so that the temperature of the electrolyte in the electrolytic bath is relatively constant between 40 ℃ and 50 ℃, and the stable work of the electrolyte is simply and effectively realized;
2. the anode bottom plate supporting frame arranged at the bottom in the cell body of the utility model enables the anode metal tin ingot to be in the electrolyte area with relatively low concentration, thereby improving the electrolysis efficiency.
Drawings
The following describes the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of an electrolytic cell with a thermostat according to the present invention;
figure 2 is a schematic view of the cold water coil 16 and hot water coil 15 of figure 1 surrounding the tank 1;
fig. 3 is a schematic structural view of the anode conductive base plate 3 in fig. 1;
fig. 4 is a schematic view of the structure of the cathode conductive plate 6 in fig. 1.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of protection of the invention is not limited thereto:
example 1 an electrolytic cell with a thermostat, as shown in FIGS. 1 to 4, comprises an electrolytic cell and a thermostat;
the electrolytic tank comprises a tank body 1, the tank body 1 is a cuboid container which is made of acid-resistant, corrosion-resistant and insulating materials, is provided with an opening at the top and is hollow inside, an electrolyte discharge port 7 with a switch is arranged on the side wall of the tank body 1 and at a position close to the bottom, and the electrolyte discharge port 7 is communicated with the inner cavity of the tank body 1 and is used for discharging electrolyte which meets the process requirements after electrolytic reaction to the outside of the tank body 1; an anode bottom plate support frame 2, an anode conductive bottom plate 3, an anode metal tin ingot 4 (which can be a tin ingot containing impurities), a cathode conductive support frame 5 and a cathode conductive plate 6 are sequentially stacked at the bottom of the inner cavity of the tank body 1 from bottom to top; the anode conductive base plate 3 and the cathode conductive plate 6 are made of tin.
The total height of the anode soleplate support frame 2 is not higher than 10cm, a frame structure made of acid-proof, corrosion-proof and insulating pipes (such as PVC pipes) with certain structural strength is adopted, and the top of the anode soleplate support frame 2 is a support surface.
The anode conductive base plate 3 is horizontally placed on the top of the anode base plate support frame 2, the anode conductive base plate 3 is a reversed-square-shaped tin plate, namely the anode conductive base plate 3 is a rectangular tin plate, a rectangular through hole 31 is formed in the center of the rectangular through hole 31, the length of the rectangular through hole 31 is smaller than that of the anode metal tin ingot 4, the width of the rectangular through hole 31 is larger than that of the anode metal tin ingot 4, when the anode conductive base plate is used, the anode metal tin ingot 4 is horizontally placed on the anode conductive base plate 3, a gap is reserved between the rectangular through hole 31 and the anode metal tin ingot 4 in the width direction, and four to five anode metal tin ingots 4 are generally stacked above the anode conductive base plate 3; the anode conductive bottom plate 3 is connected with the positive electrode of the power supply through the anode conductive tin bar 32, the anode conductive tin bar 32 is arc-shaped long, one end of the anode conductive bottom plate is fixedly connected with the anode conductive bottom plate 3, the other end of the anode conductive bottom plate is bent upwards to extend out of the top opening of the tank body 1, and then the anode conductive bottom plate is connected with the positive electrode of the external power supply through a wire.
The upper and lower surfacing of positive pole metallic tin spindle 4 conveniently piles up multilayer positive pole metallic tin spindle 4, and along the length direction of positive pole metallic tin spindle 4, positive pole metallic tin spindle 4 is kept flat on the positive pole conductive bottom plate 3 and is spanned rectangle through-hole 31.
The cathode conductive support frame 5 is placed on the anode tin ingot 4 at the topmost layer, a frame structure made of acid-resistant, corrosion-resistant and insulating pipes (such as PVC pipes) is adopted, the height of the cathode conductive support frame 5 is smaller than that of the anode bottom plate support frame 2, the cathode conductive support frame 5 is about 5 cm, and the reaction distance between the anode tin ingot 4 and the cathode conductive plate 6 is reduced while the cathode conductive plate 6 is prevented from contacting with the anode tin ingot 4.
The cathode conductive plate 6 comprises a main plate 61 and a cathode conductive tin bar 63; the main board 61 is a thin plate made of tin in a shape like Chinese character feng and is flatly placed on the cathode conductive support frame 5, so that the contact area of the main board 61 and the electrolyte can be increased, and the efficiency of electrolytic reaction is increased; the main board 61 is connected with the negative pole of the external power supply through the cathode conductive tin bar 63, the cathode conductive tin bar 63 is arc-shaped long, one end of the cathode conductive tin bar 63 is fixedly connected with the main board 61, and the other end of the cathode conductive tin bar 63 is bent upwards to extend out of the top opening of the tank body 1.
The constant temperature device comprises a temperature sensing probe 10 arranged inside the tank body 1, a DCS automatic control device 9 independently arranged outside the tank body 1, and a hot water coil 15 and a cold water coil 16 arranged on the outer side wall of the tank body 1; the temperature sensing probe 10 is arranged at the lower half part of the inner cavity of the tank body 1 and is positioned between the anode bottom plate support frame 2 and the cathode conductive support frame 5 so as to ensure that the tank body is immersed in electrolyte to obtain good electrolyte temperature data, and the temperature sensing probe 10 is in signal connection with the DCS automatic control device 9 and is used for transmitting the electrolyte temperature data in the inner cavity of the tank body 1 to the DCS automatic control device 9 in real time; the hot water coil 15 and the cold water coil 16 are made of materials with good heat conduction, and are spirally wound and arranged close to the outer surface of the side wall of the tank body 1, hot water is introduced into the hot water coil 15 or cold water is introduced into the cold water coil 16, and heat exchange is carried out between the side wall of the tank body 1 and electrolyte in the tank body 1, so that the purpose of heating or cooling the electrolyte is achieved; a hot water inlet valve 11 and a hot water outlet valve 13 are respectively arranged at two ends of the hot water coil 15, and the hot water coil 15 is communicated with an external hot water source through the hot water inlet valve 11 and the hot water outlet valve 13; a cold water inlet valve 12 and a cold water outlet valve 14 are respectively arranged at two ends of the cold water coil pipe 16, and the cold water coil pipe 16 is connected with an external cold water source through the cold water inlet valve 12 and the cold water outlet valve 14; hot water inlet valve 11, hot water outlet valve 13, cold water inlet valve 12 and cold water outlet valve 14 are electronic valve, respectively with DCS automatic control device 9 signal connection, make DCS automatic control device 9 can be according to the temperature needs, control hot water inlet valve 11, thereby opening and shutting of hot water outlet valve 13 makes hot water let in hot water coil pipe 15, or control cold water inlet valve 12, thereby opening and shutting of cold water outlet valve 14 makes cold water let in cold water coil pipe 16, among the electrolysis process, DCS automatic control device 9 sets up the temperature interval of giving the instruction to hot water inlet valve 11, hot water outlet valve 13, cold water inlet valve 12 and cold water outlet valve 14 and is less than 40 ℃ or higher than 50 ℃.
The utility model discloses a use does:
1. preparing for electrolysis:
the end of the anode conductive tin bar 32 extending out of the top opening of the tank body 1 is connected with the anode of an external power supply, and the end of the cathode conductive tin bar 63 extending out of the top opening of the tank body 1 is connected with the cathode of the external power supply;
the electrolyte discharge port 7 is in a normally closed state, and electrolyte (dilute sulfuric acid solution) is added into the inner cavity of the tank body 1 until the cathode conductive plate 6 is immersed by the electrolyte;
2. electrolysis:
turning on a power supply to start electrolysis; the DCS automatic control device 9 controls the hot water inlet valve 11, the hot water outlet valve 13, the cold water inlet valve 12 and the cold water outlet valve 14 to be in a normally closed state;
2.1, the temperature sensing probe 10 transmits the temperature data of the electrolyte to the DCS automatic control device 9 in real time:
2.2, temperature rise control:
when the temperature of the electrolyte is lower than 40 ℃, the DCS automatic control device 9 judges that the temperature is too low, the DCS automatic control device 9 controls to open the hot water inlet valve 11 and the hot water outlet valve 13 and close the cold water inlet valve 12 and the cold water outlet valve 14 simultaneously, so that hot water is conducted and cold water is closed, hot water is circularly introduced into the hot water coil 15, the electrolyte in the tank body 1 is heated through the side wall of the tank body 1, the temperature of the electrolyte is improved, the conductivity of the electrolyte is increased, the friction force of ions moving through a solvent is reduced, the tank voltage is reduced, and the current efficiency is improved;
when the temperature exceeds 40 ℃, the DCS automatic control device 9 controls the hot water inlet valve 11 and the hot water outlet valve 13 to be gradually closed to uniformly reduce the flow of hot water;
when the temperature exceeds 42 ℃, the DCS automatic control device 9 controls the hot water inlet valve 11 and the hot water outlet valve 13 to be completely closed, and hot water is not introduced any more;
2.3, cooling control:
when the temperature of the electrolyte is higher than 50 ℃, the DCS automatic control device 9 judges that the temperature is too high, the DCS automatic control device 9 controls to open the cold water inlet valve 12 and the cold water outlet valve 14, simultaneously close the hot water inlet valve 11 and the hot water outlet valve 13, close hot water to conduct cold water, circularly introduce cold water into the cold water coil 16, and cool the electrolyte in the tank body 1 through the side wall of the tank body 1;
when the temperature is lower than 50 ℃, the DCS automatic control device 9 controls the cold water inlet valve 12 and the cold water outlet valve 14 to be gradually closed to uniformly reduce the cold water flow;
when the temperature is lower than 48 ℃, the DCS automatic control device 9 controls the cold water inlet valve 12 and the cold water outlet valve 14 to be completely closed, and cold water is not introduced any more;
description of the drawings: the valve is not immediately closed but slowly reduced to be closed, so that the temperature change interval is further reduced, and the electrolysis is more stable;
3. in the electrolysis process, the baume degree and the concentration of the electrolyte are manually and periodically sampled and measured, and the power supply is turned off to stop electrolysis after the baume degree and the concentration of the electrolyte reach the standard; then opening an electrolyte outlet 7 to discharge all the electrolyte; this is conventional.
4. When the sponge tin formed on the cathode conductive plate 6 is excessive due to electrolysis, the cathode conductive plate 6 can be taken out and the sponge tin is scooped off with a spatula.
Finally, it is also noted that the above-mentioned list is only a few specific embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (4)
1. The electrolytic cell with the constant temperature device is characterized in that: comprises an electrolytic bath and a constant temperature device;
the electrolytic tank comprises a tank body (1), the tank body (1) is a container with an opening at the top, and an electrolyte discharge port (7) with a switch is arranged on the side wall of the tank body (1) and close to the bottom; an anode bottom plate support frame (2) is arranged at the bottom of an inner cavity of the tank body (1), and an anode conductive bottom plate (3), an anode metal tin ingot (4), a cathode conductive support frame (5) and a cathode conductive plate (6) are sequentially stacked on the anode bottom plate support frame (2) from bottom to top;
the constant temperature device comprises a temperature sensing probe (10) arranged in the inner cavity of the tank body (1), a DCS automatic control device (9) arranged outside the tank body (1), and a hot water coil pipe (15) and a cold water coil pipe (16) which are spirally wound and tightly attached to the outer surface of the side wall of the tank body (1);
the temperature sensing probe (10) is in signal connection with the DCS automatic control device (9);
the two ends of the hot water coil (15) are respectively provided with a hot water inlet valve (11) and a hot water outlet valve (13), the two ends of the cold water coil (16) are respectively provided with a cold water inlet valve (12) and a cold water outlet valve (14), and the hot water inlet valve (11), the hot water outlet valve (13), the cold water inlet valve (12) and the cold water outlet valve (14) are respectively connected with a DCS automatic control device (9) through signals.
2. The cell with thermostat according to claim 1, characterized in that:
the height of the temperature sensing probe (10) is positioned between the anode bottom plate support frame (2) and the cathode conductive support frame (5).
3. Electrolytic cell with thermostatic device according to claim 1 or 2, characterized in that:
the anode conductive base plate (3) is a rectangular thin plate, a rectangular through hole (31) is formed in the center of the anode conductive base plate, the length of the rectangular through hole (31) is smaller than that of the anode metal tin ingot (4), and the width of the rectangular through hole (31) is larger than that of the anode metal tin ingot (4); the anode conductive tin bar (32) is a circular arc-shaped strip, one end of the anode conductive tin bar (32) is fixedly connected with the anode conductive bottom plate (3), and the other end of the anode conductive tin bar extends upwards out of the top opening of the tank body (1);
the anode metal tin ingot (4) is horizontally placed on the anode conductive base plate (3) along the length direction and crosses the rectangular through hole (31);
the cathode conducting plate (6) comprises a main plate (61) and a cathode conducting tin bar (63), the main plate (61) is a thin plate shaped like a Chinese character feng, the cathode conducting tin bar (63) is arc-shaped long, one end of the cathode conducting tin bar (63) is fixedly connected with the main plate (61), and the other end of the cathode conducting tin bar upwards extends out of the top opening of the tank body (1).
4. The electrolytic cell with thermostatic device according to claim 3, characterized in that:
the anode bottom plate support frame (2) and the cathode conductive support frame (5) are both of frame structures formed by pipes, the height of the anode bottom plate support frame (2) is not higher than 10cm, and the height of the cathode conductive support frame (5) is smaller than that of the anode bottom plate support frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022598866.0U CN213507232U (en) | 2020-11-11 | 2020-11-11 | Electrolytic cell with thermostatic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022598866.0U CN213507232U (en) | 2020-11-11 | 2020-11-11 | Electrolytic cell with thermostatic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213507232U true CN213507232U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022598866.0U Active CN213507232U (en) | 2020-11-11 | 2020-11-11 | Electrolytic cell with thermostatic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213507232U (en) |
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2020
- 2020-11-11 CN CN202022598866.0U patent/CN213507232U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electrolytic cell with constant temperature device Effective date of registration: 20230707 Granted publication date: 20210622 Pledgee: Taizhou Huangyan Sub branch of China Construction Bank Co.,Ltd. Pledgor: FINE CHEMICALS GROUP Co.,Ltd. Registration number: Y2023980047758 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |