CN112454234B - Special spanner for split-flow connector of magnesium electrolytic tank and use method of special spanner - Google Patents
Special spanner for split-flow connector of magnesium electrolytic tank and use method of special spanner Download PDFInfo
- Publication number
- CN112454234B CN112454234B CN202011437816.2A CN202011437816A CN112454234B CN 112454234 B CN112454234 B CN 112454234B CN 202011437816 A CN202011437816 A CN 202011437816A CN 112454234 B CN112454234 B CN 112454234B
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- China
- Prior art keywords
- nuts
- front air
- shunt
- spanner
- chucks
- Prior art date
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 25
- 239000011777 magnesium Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 13
- 230000000712 assembly Effects 0.000 claims description 18
- 238000000429 assembly Methods 0.000 claims description 18
- 210000000078 claw Anatomy 0.000 claims description 13
- 230000001276 controlling effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 150000003839 salts Chemical class 0.000 abstract description 2
- 238000005868 electrolysis reaction Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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 spanner for a split-flow connector of a magnesium electrolytic tank, which is provided with a bracket, wherein two spanner components are connected to the bracket, the two spanner components are symmetrically arranged, each spanner component comprises a front pneumatic chuck, an air cylinder and a control valve, the air cylinder is connected to the side edge of the bracket, the front pneumatic chuck is connected to a telescopic rod of the air cylinder, the control valve is connected to the air cylinder, and two nuts are respectively clamped on the front pneumatic chucks of the two spanner components.
Description
Technical Field
The invention relates to the technical field of molten salt electrolytic magnesium production, in particular to a special spanner for a shunt connector of a magnesium electrolytic tank and a use method thereof.
Background
In the electrolysis industry, magnesium electrolytic tanks are subjected to electrolysis operation by means of high-capacity direct current, meanwhile, the magnesium electrolytic tanks are connected in series through a main bus, and the main bus is connected with an anode and a cathode of the magnesium electrolytic tank through an anode branch bus and a cathode branch bus respectively. In the daily operation of the magnesium electrolytic tank, the direct current cut-off operation of the magnesium electrolytic tank is unavoidable, and the cut-off operation is mainly completed by a direct current cut-off switch.
In the magnesium electrolysis production process, the magnesium electrolysis tank needs to be powered off when the anode is replaced, slag is grabbed, lining is replaced and the planned shutdown is carried out, and the new starting electrolysis tank or the overhauled electrolysis tank needs to be powered on to put into production. In order to cut off the direct current which is incorporated into the cells without affecting the rest of the electrolysis plant, each 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 not to overheat the shunt switch. In actual production, the double-headed nuts on the screws at the shunt connector and the anode lug are loosened by a worker through a wrench, then the insulating plate is taken away, and finally the worker fastens the nuts through the wrench. In the operation, the insulating plate clamped between the anode lug and the shunt connector is taken away, and the anode lug and the shunt connector can generate high-voltage electric arcs in the last fastening bolt process.
When the electrolytic tank is newly opened or the overhauled electrolytic tank needs to be electrified, in actual production, workers firstly loosen the bolts of the anode shunt connector by using a wrench manually, insert an insulating plate between the anode shunt and the anode lug, then screw the bolts of the anode shunt, then open the shunt switch, install a fuse on the shunt switch, and finally close the shunt switch.
The labor intensity of workers in the prior art is high, and the working efficiency is low; meanwhile, the workers have great potential safety hazards in the operation process, and personal safety of the workers is endangered.
Disclosure of Invention
The invention aims to provide a special spanner for a shunt connector of a magnesium electrolytic cell and a use method thereof, which are simple in structure and convenient to operate, and solve the problems that the labor intensity is high, the labor efficiency is low, the potential safety hazard is high, the short circuit and the electrifying operation of the magnesium electrolytic cell can not be realized rapidly under the condition of strong direct current operation in the prior art.
In order to solve the problems, the special spanner for the split connector of the magnesium electrolytic tank comprises a bracket, nuts, an anode lug, a screw rod and a split connector, wherein the split connector is connected with the anode lug through the nuts and the screw rod, the screw rod passes through the split connector and the anode lug, the nuts are arranged in two, the two nuts are respectively connected at two ends of the screw rod, the bracket consists of two side edges and a top edge to form an n shape, the bracket is connected with two spanner components, the two spanner components are respectively connected to the two side edges of the bracket, the two spanner components are symmetrically arranged, each spanner component comprises a front air chuck, an air cylinder and a control valve, the air cylinder is connected to the side edge of the bracket, the front air chuck is connected to the telescopic rod of the air cylinder, and the control valve is connected to the air cylinder, and the two nuts are respectively clamped on the front air chucks of the two spanner components.
Further, the front-mounted air chuck is provided with a plurality of claws, the circumference of the claws are uniformly distributed, and the nuts are clamped in the claws.
Further, the control valve is a three-position four-way reversing valve.
Further, the upper end of the bracket top plate is connected with a fixing rod.
Further, the support be equipped with a plurality ofly, all symmetry is connected with two spanner subassemblies on every support, the dead lever top of a plurality of supports is in the same place through the connecting rod connection.
The invention relates to a use method of a special spanner 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 series direct current of the electrolytic cell to below 350Ka, opening a shunt switch, removing an insulating plate, and closing the shunt switch;
s1-2, regulating the air pressure of a compressed dynamic air pipeline to be 0.1-1 MPa;
s1-3, extending out cylinders of the two wrench assemblies to enable clamping jaws of a front pneumatic chuck of the two wrench assemblies to be respectively sleeved on the two nuts;
s1-4, switching on compressed air of a front air chuck of the two wrench assemblies, enabling clamping jaws of the two front air chucks to clamp the two nuts respectively, controlling the front air chucks to unscrew the two nuts, and closing the compressed air of the two front air chucks to stop rotation of the two wrench assemblies;
s1-5, taking out an insulating plate in the middle of the shunt connector and the anode lug;
s1-6, connecting compressed air of the two front air chucks to enable the two front air chucks to rotate oppositely, and screwing the two nuts;
s1-7, completely bypassing the electrolytic tank, and recovering the series direct current to normal current;
s2, merging the split-flow connector into an electrolytic cell:
s2-1, reducing the direct current of the electrolytic cell series to below 350 Ka;
s2-2, switching on compressed air of the front pneumatic chucks of the two wrench assemblies, enabling the clamping jaws of the two front pneumatic chucks to clamp the two nuts respectively, controlling the front pneumatic chucks to unscrew the two nuts, and closing the compressed air of the two front pneumatic chucks to stop rotation of the two wrench assemblies;
s2-3, inserting an insulating plate of the shunt connector and the anode lug, wherein the position of the insulating plate is required to be aligned;
s2-4, connecting compressed air of the two front air chucks, enabling the two front air chucks to reversely rotate relatively, and enabling the two nuts to be screwed;
s2-5, installing a fuse on the shunt switches at the two ends of the electrolytic tank, opening the shunt switches, inserting the shunt switches at the two ends into the insulating plate, and then closing the shunt switches; the operation of the electrolytic cell by the integrated direct current is finished, and the series direct current is restored to the normal current.
The beneficial effects of the invention are as follows: the magnesium electrolytic cell shunt is provided with a support, two spanner components are symmetrically arranged on the support, each spanner component comprises a front-mounted air chuck, an air cylinder and a control valve, the air cylinder is connected to the side edge of the support, the front-mounted air chuck is connected to a telescopic rod of the air cylinder, the control valve is connected to the air cylinder, and two nuts are respectively clamped on the front-mounted air chucks of the two spanner components.
Drawings
FIG. 1 is a schematic view of the cylinder structure of the present invention when not pushed out;
FIG. 2 is a schematic view of the cylinder of the present invention when pushed out;
FIG. 3 is a schematic view of a front air chuck according to the present invention;
FIG. 4 is a schematic view of the structure of the multi-set combined cylinder of the present invention when not pushed out;
FIG. 5 is a schematic view of the structure of the cylinder used in combination of multiple groups of the present invention when not pushed out.
In the figure: 1. a front air chuck; 2. a claw; 3. a nut; 4. an anode tab; 5. a screw; 6. a cylinder; 7. a bracket; 8. a fixed rod; 9. a control valve; 10. a shunt connector.
Detailed Description
As shown in fig. 1-5, the special spanner for the split connector of the magnesium electrolytic tank comprises a bracket 7, a nut 3, an anode lug 4, a screw 5 and a split connector 10, wherein the split connector 10 is connected with the anode lug 4 through the nut 3 and the screw 5, the screw 5 passes through the split connector 10 and the anode lug 4, the nut 3 is provided with two nuts 3 which are respectively connected with two ends of the screw 5, the bracket 7 consists of two side edges and a top edge, the bracket 7 is connected with two spanner components, the two spanner components are respectively connected with the two side edges of the bracket 7, the two spanner components are symmetrically arranged, each spanner component comprises a front air chuck 1, an air cylinder 6 and a control valve 9, the air cylinder 6 is connected with the side edge of the bracket 7, the front air chuck 1 is connected with a telescopic rod of the air cylinder 6, the control valve 9 is connected with the air cylinder 6, and the two nuts 3 are respectively clamped on the front air chucks 1 of the two spanner components.
Further, the front air chuck 1 is provided with a plurality of clamping claws 2, the clamping claws 2 are provided with a plurality of clamping claws 2, the circumferences of the clamping claws 2 are uniformly distributed, and the nuts 3 are clamped in the clamping claws 2.
Further, the control valve 9 is a three-position four-way reversing valve.
Further, the upper end of the top plate of the bracket 7 is connected with a fixing rod 8.
Further, the support 7 be equipped with a plurality ofly, every support 7 is gone up and is all symmetry connected with two spanner subassemblies, the dead lever 8 top of a plurality of supports 7 is in the same place through the connecting rod.
As shown in fig. 4 and 5, the invention is arranged according to the number of the shunt connectors of the electrolytic tank when in use, the embodiment is provided with four brackets 7, compressed air is used as the power of an air cylinder 6, a compressed air valve is opened, the front air chuck 1 is pushed out by the air cylinder 6 to enable the clamping jaws 2 to be sleeved on the nuts 3, the compressed air is used as the power of the front air chuck 1, the front air chuck 1 enables the clamping jaws 2 to clamp the nuts 3 and unscrew and screw the two nuts 3, and after the nuts 3 are screwed, the front air chuck 1 controls the clamping jaws 2 to loosen the nuts 3, and the air cylinder 6 drives the front air chuck 1 to return to the initial position.
The invention relates to a use method of a special spanner 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 series direct current of the electrolytic cell to below 350Ka, opening a shunt switch, removing an insulating plate, and closing the shunt switch;
s1-2, regulating the air pressure of a compressed dynamic air pipeline to be 0.1-1 MPa;
s1-3, extending out cylinders 6 of the two wrench assemblies to enable clamping jaws 2 of a front pneumatic chuck 1 of the two wrench assemblies to be respectively sleeved on two nuts 3;
s1-4, switching on compressed air of the front air chucks 1 of the two wrench assemblies, enabling the clamping jaws 2 of the two front air chucks 1 to clamp the two nuts 3 respectively, controlling the front air chucks 1 to unscrew the two nuts 3, and closing the compressed air of the two front air chucks 1 to stop rotation of the two wrench assemblies;
s1-5, taking out an 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, enabling the two front air chucks 1 to rotate oppositely, and enabling the two nuts 3 to be screwed;
s1-7, completely bypassing the electrolytic tank, and recovering the series direct current to normal current;
s2. Incorporation of the shunt connector 10 into the electrolyzer:
s2-1, reducing the direct current of the electrolytic cell series to below 350 Ka;
s2-2, switching on compressed air of the front air chucks 1 of the two wrench assemblies, enabling the clamping jaws 2 of the two front air chucks 1 to clamp the two nuts 3 respectively, controlling the front air chucks 1 to unscrew the two nuts 3, and closing the compressed air of the two front air chucks 1 to stop rotation of the two wrench assemblies;
s2-3, inserting an insulating plate of the shunt connector 10 and the anode lug 4, wherein the position of the insulating plate is to be aligned;
s2-4, switching on compressed air of the two front air chucks 1, enabling the two front air chucks 1 to rotate oppositely, and enabling the two nuts 3 to be screwed;
s2-5, installing a fuse on the shunt switches at the two ends of the electrolytic tank, opening the shunt switches, inserting the shunt switches at the two ends into the insulating plate, and then closing the shunt switches; the operation of the electrolytic cell by the integrated direct current is finished, and the series direct current is restored to the normal current.
Claims (4)
1. The application method of the special spanner for the shunt connector of the magnesium electrolytic tank is characterized by comprising the following steps of: the device comprises a support (7), nuts (3), an anode lug (4), a screw rod (5) and a shunt connector (10), wherein the shunt connector (10) is connected with the anode lug (4) through the nuts (3) and the screw rod (5), the screw rod (5) passes through the shunt connector (10) and the anode lug (4), the nuts (3) are arranged in two, the two nuts (3) are respectively connected at two ends of the screw rod (5), the support (7) consists of two side edges and one top edge to form an n shape, two spanner components are connected on the support (7), the two spanner components are respectively connected on the two side edges of the support (7), the two spanner components are symmetrically arranged, each spanner component comprises a front air chuck (1), an air cylinder (6) and a control valve (9), the air cylinder (6) is connected on the side edge of the support (7), the front air chuck (1) is connected on a telescopic rod of the air cylinder (6), and the two nuts (3) are respectively clamped on the front air chucks (1); the front pneumatic chuck (1) is provided with a plurality of claws (2), the claws (2) are uniformly distributed on the circumference of the claws (2), and the nuts (3) are clamped in the claws (2);
the application method of the special spanner for the split-flow connector of the magnesium electrolytic tank comprises the following steps:
s1, cutting off direct current of an electrolytic cell:
s1-1, reducing the series direct current of the electrolytic cell to below 350Ka, opening a shunt switch, removing an insulating plate, and closing the shunt switch;
s1-2, regulating the air pressure of a compressed dynamic air pipeline to be 0.1-1 MPa;
s1-3, extending out air cylinders (6) of the two wrench assemblies, and enabling clamping jaws (2) of a front air chuck (1) of the two wrench assemblies to be sleeved on the two nuts (3) respectively;
s1-4, switching on compressed air of a front air chuck (1) of the two wrench assemblies, enabling clamping jaws (2) of the two front air chucks (1) to clamp two nuts (3) respectively, controlling the front air chucks (1) to unscrew the two nuts (3), and closing the compressed air of the two front air chucks (1) to stop rotation of the two wrench assemblies;
s1-5, taking out an insulating plate in the middle of the shunt connector (10) and the anode lug plate (4);
s1-6, connecting 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;
s1-7, completely bypassing the electrolytic tank, and recovering the series direct current to normal current;
s2. The shunt connector (10) is integrated into an electrolytic cell:
s2-1, reducing the direct current of the electrolytic cell series to below 350 Ka;
s2-2, switching on compressed air of the front air chucks (1) of the two wrench assemblies, enabling the clamping jaws (2) of the two front air chucks (1) to clamp the two nuts (3) respectively, controlling the front air chucks (1) to unscrew the two nuts (3), and closing the compressed air of the two front air chucks (1) to stop rotation of the two wrench assemblies;
s2-3, inserting an insulating plate of the shunt connector (10) and the anode lug (4), wherein the position of the insulating plate is to be aligned;
s2-4, 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;
s2-5, installing a fuse on the shunt switches at the two ends of the electrolytic tank, opening the shunt switches, inserting the shunt switches at the two ends into the insulating plate, and then closing the shunt switches; the operation of the electrolytic cell by the integrated direct current is finished, and the series direct current is restored to the normal current.
2. The method for using the special spanner for the split-flow connector of the magnesium electrolytic tank, which is characterized in that: the control valve (9) is a three-position four-way reversing valve.
3. The method for using the special spanner for the split-flow connector of the magnesium electrolytic tank, which is characterized in that: the upper end of the top plate of the bracket (7) is connected with a fixing rod (8).
4. The method for using the special spanner for the split-flow connector of the magnesium electrolytic tank according to claim 3, wherein the special spanner is characterized in that: the support (7) be equipped with a plurality ofly, all symmetry is connected with two spanner subassemblies on every support (7), the dead lever (8) top of a plurality of supports (7) are in the same place through the connecting rod connection.
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 CN112454234A (en) | 2021-03-09 |
| CN112454234B true CN112454234B (en) | 2024-03-19 |
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| 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113380587B (en) * | 2021-06-25 | 2022-10-28 | 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 |
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| Publication number | Publication date |
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| CN112454234A (en) | 2021-03-09 |
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