CN112454234A - Special wrench for shunt connector of magnesium electrolytic cell and using method of special wrench - Google Patents
Special wrench for shunt connector of magnesium electrolytic cell and using method of special wrench Download PDFInfo
- Publication number
- CN112454234A CN112454234A CN202011437816.2A CN202011437816A CN112454234A CN 112454234 A CN112454234 A CN 112454234A CN 202011437816 A CN202011437816 A CN 202011437816A CN 112454234 A CN112454234 A CN 112454234A
- Authority
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- China
- Prior art keywords
- electrolytic cell
- nuts
- wrench
- air
- chucks
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Links
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 26
- 239000011777 magnesium Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 11
- 230000000712 assembly Effects 0.000 claims description 28
- 238000000429 assembly Methods 0.000 claims description 28
- 238000005868 electrolysis reaction Methods 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 150000003839 salts Chemical class 0.000 abstract description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention relates to the technical field of fused salt electrolytic magnesium production, in particular to a special wrench for a magnesium electrolytic cell shunt connector, which is provided with a bracket, wherein two wrench components are connected on the bracket and symmetrically arranged, each wrench component comprises a front pneumatic chuck, a cylinder and a control valve, the cylinder is connected on the side edge of the bracket, the front pneumatic chuck is connected on a telescopic rod of the cylinder, the control valve is connected on the cylinder, and two nuts are respectively clamped on the front pneumatic chucks of the two wrench components. The magnesium yield ensures the life safety of operators.
Description
Technical Field
The invention relates to the technical field of fused salt electrolytic magnesium production, in particular to a special wrench for a shunt connector of a magnesium electrolytic cell and a using method thereof.
Background
The magnesium electrolytic cell in the electrolysis industry depends on high-capacity direct current to carry out electrolysis operation, meanwhile, the magnesium electrolytic cells are connected in series through a main bus, and the main bus is connected with the anode and the cathode of the magnesium electrolytic cell through an anode branch bus and a cathode branch bus respectively. The magnesium electrolytic cell is inevitably subjected to direct current on-off operation in daily operation of the magnesium electrolytic cell, and the on-off operation is mainly completed by a direct current short switch.
In the magnesium electrolysis production process, the magnesium electrolysis cell needs to be powered off when the anode is replaced, the slag is grabbed, the lining is replaced and the planned shutdown is carried out, and the newly started electrolysis cell or the electrolysis cell which is completed by maintenance needs to be powered on for production. In order to cut off the direct current which is incorporated into the electrolysis cells without affecting the rest of the electrolysis plant, each electrolysis cell is provided with a shunt switch system. When the electrolyzer needs to be powered off for more than 10 minutes, the shunt connector is required to be completely bypassed in addition to the shunt switch so as to avoid overheating of the shunt switch. In actual production, the double-headed nuts on the screw rods at the shunt connector and the anode lug are loosened by a wrench by a worker, then the insulation board is taken away, and finally the worker fastens the nuts by the wrench. In the operation, take away the insulating board of pressing from both sides in the middle of positive pole lug and reposition of redundant personnel connector, positive pole lug and reposition of redundant personnel connector can produce high-voltage arc at last fastening bolt in-process, because operation method does not to can cause the emergence of electric shock injury accident to operating personnel.
When a newly opened electrolytic cell or an overhauled electrolytic cell needs to be electrified, in actual production, a worker manually loosens the anode shunt connector bolt by using a wrench, inserts the insulating plate between the anode shunt and the anode lug, then screws the anode shunt bolt, opens the shunt switch, installs the fuse on the shunt switch, and finally closes the shunt switch.
The problems of high labor intensity and low working efficiency of workers in the prior art are solved; meanwhile, the worker has great potential safety hazard in the operation process, so that the personal safety of the worker is endangered.
Disclosure of Invention
The invention aims to provide a special wrench for a shunt connector of a magnesium electrolytic cell and a using method thereof, which have the advantages of simple structure and convenience in operation, and solve the problems that the prior art is high in operation labor intensity, low in labor efficiency and high in potential safety hazard, and cannot quickly realize short circuit and electrifying operation of the magnesium electrolytic cell under the condition of strong direct current operation.
In order to solve the problems, the special wrench for the shunt connector of the magnesium electrolytic cell comprises a bracket, a nut and an anode lug plate, screw rod and reposition of redundant personnel connector, reposition of redundant personnel connector passes through nut and screw rod with the positive pole lug and is connected, the screw rod passes reposition of redundant personnel connector and positive pole lug, the nut is equipped with two, two nuts are connected respectively at the both ends of screw rod, the support comprises two sides and a topside n shape, be connected with two spanner components on the support, two spanner components are connected respectively on two sides of support, two spanner component symmetry sets up, every spanner component all includes leading pneumatic chuck, cylinder and control valve, the cylinder is connected on the support side, leading pneumatic chuck connects on the telescopic link of cylinder, the control valve is connected on the cylinder, two nuts joint respectively on the leading pneumatic chuck of two spanner components.
Furthermore, leading air chuck on be equipped with the jack catch, the jack catch is equipped with a plurality ofly, a plurality of jack catch circumference equipartitions, the nut joint is in a plurality of jack catches.
Furthermore, the control valve is a three-position four-way reversing valve.
Furthermore, the upper end of the top plate of the bracket is connected with a fixed rod.
Furthermore, the support be equipped with a plurality ofly, equal symmetrical connection has two spanner components on every support, the dead lever top of a plurality of supports links together through the connecting rod.
The invention discloses a use method of a special wrench for a shunt connector of a magnesium electrolytic cell, which comprises the following steps:
s1, cutting off direct current of an electrolytic cell;
s1-1, reducing the direct current of the electrolytic cell series to be below 350Ka, opening a shunt switch, removing an insulating plate, and closing the shunt switch;
s1-2, adjusting the air pressure of the compressed pneumatic pipeline to 0.1-1 MPa;
s1-3, extending out the cylinders of the two wrench assemblies to enable the jaws of the front pneumatic chucks of the two wrench assemblies to be respectively sleeved on the two nuts;
s1-4, switching on compressed air of the preposed air chucks of the two wrench assemblies to enable the jaws of the two preposed air chucks to respectively clamp the two nuts, controlling the preposed air chucks to unscrew the two nuts, and closing the compressed air of the two preposed air chucks to enable the two wrench assemblies to stop rotating;
s1-5, taking out the insulating plate between the shunt connector and the anode lug;
s1-6, switching on compressed air of the two front pneumatic chucks to enable the two front pneumatic chucks to rotate oppositely, and enabling the two nuts to be screwed tightly;
s1-7, the electrolytic cell is completely bypassed, and the series direct current is recovered to the normal current;
s2. the shunt connector is incorporated into the electrolytic cell:
s2-1, reducing the direct current of the electrolytic cell series to be below 350 Ka;
s2-2, switching on compressed air of the preposed air chucks of the two wrench assemblies to enable the jaws of the two preposed air chucks to respectively clamp the two nuts, controlling the preposed air chucks to unscrew the two nuts, and closing the compressed air of the two preposed air chucks to enable the two wrench assemblies to stop rotating;
s2-3, inserting the shunt connector and the insulating plate of the anode lug plate, wherein the position of the insulating plate needs to be rightly placed;
s2-4, switching on compressed air of the two front pneumatic chucks to enable the two front pneumatic chucks to rotate oppositely, and enabling the two nuts to be screwed tightly;
s2-5, installing fuse wires on the shunt switches at the two ends of the electrolytic cell, opening the shunt switches, inserting the shunt switches at the two ends into the insulating plates, and then closing the shunt switches; the electrolytic cell is merged into direct current operation, and the series direct current is recovered to normal current.
The invention has the beneficial effects that: the device is provided with a support, two wrench assemblies are connected onto the support, the two wrench assemblies are symmetrically arranged, each wrench assembly comprises a front pneumatic chuck, an air cylinder and a control valve, the air cylinder is connected to the side edge of the support, the front pneumatic chuck is connected onto a telescopic rod of the air cylinder, the control valve is connected onto the air cylinder, and two nuts are respectively clamped on the front pneumatic chucks of the two wrench assemblies.
Drawings
FIG. 1 is a schematic structural view of the cylinder of the present invention when not pushed out;
FIG. 2 is a schematic view of the structure of the cylinder of the present invention during ejection;
FIG. 3 is a schematic diagram of a pre-air chuck configuration according to the present invention;
FIG. 4 is a schematic structural view of the multi-cylinder combination of the present invention when not pushed out;
FIG. 5 is a schematic structural view of a multi-cylinder combination of the present invention when the cylinder is not pushed out.
In the figure: 1. a front pneumatic chuck; 2. a claw; 3. a nut; 4. an anode tab; 5. a screw; 6. a cylinder; 7. a support; 8. fixing the rod; 9. a control valve; 10. a shunt power connector.
Detailed Description
As shown in fig. 1-5, the special wrench for a magnesium electrolytic cell shunt connector of the present invention comprises a support 7, a nut 3, an anode lug 4, a screw 5 and a shunt connector 10, wherein the shunt connector 10 is connected with the anode lug 4 through the nut 3 and the screw 5, the screw 5 passes through the shunt connector 10 and the anode lug 4, two nuts 3 are provided, the two nuts 3 are respectively connected with two ends of the screw 5, the support 7 is n-shaped and comprises two side edges and a top edge, the support 7 is connected with two wrench assemblies, the two wrench assemblies are respectively connected with two side edges of the support 7, the two wrench assemblies are symmetrically arranged, each wrench assembly comprises a front pneumatic chuck 1, an air cylinder 6 and a control valve 9, the air cylinder 6 is connected with the side edge of the support 7, the front pneumatic chuck 1 is connected with an expansion link of the air cylinder 6, the control valve 9 is connected with the air cylinder 6, two nuts 3 are respectively clamped on the preposed air chucks 1 of the two wrench components.
Further, leading air chuck 1 on be equipped with jack catch 2, jack catch 2 is equipped with a plurality ofly, 2 circumference equipartitions of a plurality of jack catches, 3 joints of nut are in a plurality of jack catches 2.
Further, the control valve 9 is a three-position four-way reversing valve.
Furthermore, the upper end of the top plate of the bracket 7 is connected with a fixed rod 8.
Further, support 7 be equipped with a plurality ofly, equal symmetric connection has two spanner subassemblies on every support 7, 8 tops of dead lever of a plurality of supports 7 link together through the connecting rod.
As shown in fig. 4 and 5, the electrolytic cell split-flow connector is arranged according to the number of the electrolytic cell split-flow connectors when in use, the four brackets 7 are arranged in the embodiment, compressed air is used as power of the air cylinder 6, the compressed air valve is opened, the front pneumatic chuck 1 is pushed out through the air cylinder 6 to enable the jaws 2 to be sleeved on the nuts 3, the compressed air is used as power of the front pneumatic chuck 1, the front pneumatic chuck 1 enables the jaws 2 to clamp the nuts 3 and unscrew and screw the two nuts 3, after the nuts 3 are screwed, the front pneumatic chuck 1 controls the jaws 2 to loosen the nuts 3, and the air cylinder 6 drives the front pneumatic chuck 1 to return to the initial position.
The invention discloses a use method of a special wrench for a shunt connector of a magnesium electrolytic cell, which comprises the following steps:
s1, cutting off direct current of an electrolytic cell;
s1-1, reducing the direct current of the electrolytic cell series to be below 350Ka, opening a shunt switch, removing an insulating plate, and closing the shunt switch;
s1-2, adjusting the air pressure of the compressed pneumatic pipeline to 0.1-1 MPa;
s1-3, extending out the air cylinders 6 of the two wrench assemblies, so that the jaws 2 of the front air chucks 1 of the two wrench assemblies are respectively sleeved on the two nuts 3;
s1-4, switching on compressed air of the preposed air chucks 1 of the two wrench assemblies to enable the clamping jaws 2 of the two preposed air chucks 1 to respectively clamp the two nuts 3, controlling the preposed air chucks 1 to unscrew the two nuts 3, and closing the compressed air of the two preposed air chucks 1 to enable the two wrench assemblies to stop rotating;
s1-5, taking out the insulating plate between the shunt connector 10 and the anode lug 4;
s1-6, switching on compressed air of the two front air chucks 1 to enable the two front air chucks 1 to rotate oppositely, and enabling the two nuts 3 to be screwed tightly;
s1-7, the electrolytic cell is completely bypassed, and the series direct current is recovered to the normal current;
s2. the shunt connector 10 is incorporated into an electrolytic cell:
s2-1, reducing the direct current of the electrolytic cell series to be below 350 Ka;
s2-2, switching on compressed air of the preposed air chucks 1 of the two wrench assemblies to enable the clamping jaws 2 of the two preposed air chucks 1 to respectively clamp the two nuts 3, controlling the preposed air chucks 1 to unscrew the two nuts 3, and closing the compressed air of the two preposed air chucks 1 to enable the two wrench assemblies to stop rotating;
s2-3, inserting the shunt connector 10 and the insulating plate of the anode lug 4, wherein the position of the insulating plate needs to be rightly placed;
s2-4, switching on compressed air of the two front pneumatic chucks 1 to enable the two front pneumatic chucks 1 to rotate oppositely, and enabling the two nuts 3 to be screwed tightly;
s2-5, installing fuse wires on the shunt switches at the two ends of the electrolytic cell, opening the shunt switches, inserting the shunt switches at the two ends into the insulating plates, and then closing the shunt switches; the electrolytic cell is merged into direct current operation, and the series direct current is recovered to normal current.
Claims (6)
1. The utility model provides a special spanner of magnesium electrolysis trough reposition of redundant personnel connector which characterized in that: comprises a support (7), nuts (3), an anode lug plate (4), a screw rod (5) and a shunt connector (10), wherein the shunt connector (10) is connected with the anode lug plate (4) through the nuts (3) and the screw rod (5), the screw rod (5) penetrates through the shunt connector (10) and the anode lug plate (4), two nuts (3) are arranged, the two nuts (3) are respectively connected with two ends of the screw rod (5), the support (7) is n-shaped consisting of two side edges and a top edge, the support (7) is connected with two wrench assemblies, the two wrench assemblies are respectively connected with two side edges of the support (7), the two wrench assemblies are symmetrically arranged, each wrench assembly comprises a front pneumatic chuck (1), an air cylinder (6) and a control valve (9), the air cylinder (6) is connected with the side edge of the support (7), the front pneumatic chuck (1) is connected with a telescopic rod of the air cylinder (6), the control valve (9) is connected to the air cylinder (6), and the two nuts (3) are respectively clamped on the front pneumatic chucks (1) of the two wrench assemblies.
2. The special wrench for the shunt connector of the magnesium electrolytic cell according to claim 2, wherein: leading air chuck (1) on be equipped with jack catch (2), jack catch (2) are equipped with a plurality ofly, a plurality of jack catch (2) circumference equipartition, nut (3) joint is in a plurality of jack catch (2).
3. The special wrench for the shunt connector of the magnesium electrolytic cell according to claim 1, wherein: the control valve (9) is a three-position four-way reversing valve.
4. The special wrench for the shunt connector of the magnesium electrolytic cell according to claim 1, wherein: the upper end of the top plate of the bracket (7) is connected with a fixed rod (8).
5. The special wrench for the shunt connector of the magnesium electrolytic cell according to claim 4, wherein: support (7) be equipped with a plurality ofly, equal symmetrical connection has two spanner components on every support (7), dead lever (8) top of a plurality of supports (7) link together through the connecting rod.
6. A use method of a special spanner for a shunt connector of a magnesium electrolytic cell is characterized by comprising the following steps: the method comprises the following steps:
s1, cutting off direct current of an electrolytic cell:
s1-1, reducing the direct current of the electrolytic cell series to be below 350Ka, opening a shunt switch, removing an insulating plate, and closing the shunt switch;
s1-2, adjusting the air pressure of the compressed pneumatic pipeline to 0.1-1 MPa;
s1-3, extending out the air cylinders (6) of the two wrench assemblies, so that the clamping jaws (2) of the front air chucks (1) of the two wrench assemblies are respectively sleeved on the two nuts (3);
s1-4, switching on compressed air of the preposed air chucks (1) of the two wrench assemblies, enabling the clamping jaws (2) of the two preposed air chucks (1) to respectively clamp the two nuts (3), controlling the preposed air chucks (1) to unscrew the two nuts (3), and closing the compressed air of the two preposed air chucks (1) to stop the two wrench assemblies from rotating;
s1-5, taking out the insulating plate between the shunt connector (10) and the anode lug plate (4);
s1-6, switching on compressed air of the two front pneumatic chucks (1), so that the two front pneumatic chucks (1) rotate oppositely, and the two nuts (3) are screwed;
s1-7, the electrolytic cell is completely bypassed, and the series direct current is recovered to the normal current;
s2. the shunt connector (10) is incorporated into an electrolytic cell:
s2-1, reducing the direct current of the electrolytic cell series to be below 350 Ka;
s2-2, switching on compressed air of the preposed air chucks (1) of the two wrench assemblies, enabling the clamping jaws (2) of the two preposed air chucks (1) to respectively clamp the two nuts (3), controlling the preposed air chucks (1) to unscrew the two nuts (3), and closing the compressed air of the two preposed air chucks (1) to stop the two wrench assemblies from rotating;
s2-3, inserting the shunt connector (10) and the insulating plate of the anode lug plate (4), wherein the position of the insulating plate needs to be rightly placed;
s2-4, switching on compressed air of the two front pneumatic chucks (1), so that the two front pneumatic chucks (1) rotate oppositely, and the two nuts (3) are screwed;
s2-5, installing fuse wires on the shunt switches at the two ends of the electrolytic cell, opening the shunt switches, inserting the shunt switches at the two ends into the insulating plates, and then closing the shunt switches; the electrolytic cell is merged into direct current operation, and the series direct current is recovered to normal current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011437816.2A CN112454234B (en) | 2020-12-10 | 2020-12-10 | Special spanner for split-flow connector of magnesium electrolytic tank and use method of special spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011437816.2A CN112454234B (en) | 2020-12-10 | 2020-12-10 | Special spanner for split-flow connector of magnesium electrolytic tank and use method of special spanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112454234A true CN112454234A (en) | 2021-03-09 |
| CN112454234B CN112454234B (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011437816.2A Active CN112454234B (en) | 2020-12-10 | 2020-12-10 | Special spanner for split-flow connector of magnesium electrolytic tank and use method of special spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112454234B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113380587A (en) * | 2021-06-25 | 2021-09-10 | 江西师范高等专科学校 | Intelligent switch based on Internet of things |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4394242A (en) * | 1980-01-28 | 1983-07-19 | Adnovum Ag | Clamp, tool, and electrolysis cell anode mount |
| CN1748945A (en) * | 2005-10-10 | 2006-03-22 | 哈尔滨工业大学 | Electric spanner for chuck |
| CN102689838A (en) * | 2012-05-30 | 2012-09-26 | 云南铝业股份有限公司 | Locking system for multi-functional crown block anode wrench for aluminium electrolysis |
| KR101784384B1 (en) * | 2016-07-15 | 2017-11-07 | 씨앤더블 주식회사 | The special wrench for a pipe flange fastening bolt |
| CN107855762A (en) * | 2017-11-24 | 2018-03-30 | 南京风电科技有限公司 | A kind of circumferential multi-position bolt automatic setup system and its control method |
| CN214110216U (en) * | 2020-12-10 | 2021-09-03 | 兰州资源环境职业技术学院 | Special spanner for shunt connector of magnesium electrolytic cell |
-
2020
- 2020-12-10 CN CN202011437816.2A patent/CN112454234B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4394242A (en) * | 1980-01-28 | 1983-07-19 | Adnovum Ag | Clamp, tool, and electrolysis cell anode mount |
| CN1748945A (en) * | 2005-10-10 | 2006-03-22 | 哈尔滨工业大学 | Electric spanner for chuck |
| CN102689838A (en) * | 2012-05-30 | 2012-09-26 | 云南铝业股份有限公司 | Locking system for multi-functional crown block anode wrench for aluminium electrolysis |
| KR101784384B1 (en) * | 2016-07-15 | 2017-11-07 | 씨앤더블 주식회사 | The special wrench for a pipe flange fastening bolt |
| CN107855762A (en) * | 2017-11-24 | 2018-03-30 | 南京风电科技有限公司 | A kind of circumferential multi-position bolt automatic setup system and its control method |
| CN214110216U (en) * | 2020-12-10 | 2021-09-03 | 兰州资源环境职业技术学院 | Special spanner for shunt connector of magnesium electrolytic cell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113380587A (en) * | 2021-06-25 | 2021-09-10 | 江西师范高等专科学校 | Intelligent switch based on Internet of things |
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| Publication number | Publication date |
|---|---|
| CN112454234B (en) | 2024-03-19 |
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