CN113957488B - Maintenance heating and dust collection integrated machine for aluminum electrolysis crust breaking cylinder - Google Patents
Maintenance heating and dust collection integrated machine for aluminum electrolysis crust breaking cylinder Download PDFInfo
- Publication number
- CN113957488B CN113957488B CN202111216916.7A CN202111216916A CN113957488B CN 113957488 B CN113957488 B CN 113957488B CN 202111216916 A CN202111216916 A CN 202111216916A CN 113957488 B CN113957488 B CN 113957488B
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- top plate
- supporting plate
- operation table
- shaped groove
- heating
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Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/14—Devices for feeding or crust breaking
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
Abstract
The aluminum electrolysis crust breaking cylinder overhauling, heating and dust collection integrated machine comprises an operation table (4), a gas collecting hood (13), a high-frequency electromagnetic heater (1), a smoke purifying mechanism (2) and a smoke collecting pipe (3); a top plate U-shaped groove (12) is formed in the front end of a top plate of the operation table, a supporting plate (6) is arranged on the top plate of the operation table, a supporting plate U-shaped groove opening (15) is formed in the front end of the supporting plate, jacking air cylinders (5) are symmetrically arranged on two sides of the top plate U-shaped groove below the top plate of the operation table, and piston rods of the jacking air cylinders penetrate upwards through the top plate of the operation table to be connected with the supporting plate; an induction coil (7) of the high-frequency electromagnetic heater extends into the gas-collecting hood and is positioned above the U-shaped groove of the supporting plate. The invention has high heating speed, the falling-stopping plunger is heated uniformly, and can effectively absorb harmful smoke dust generated by heating the falling-stopping plunger of the piston rod, ensure the health of operators and effectively solve the difficult problem of overhauling the crust breaking cylinder at the upper part of the aluminum electrolysis industry tank.
Description
Technical Field
The invention belongs to the technical field of overhaul equipment of an upper crust breaking system of an aluminum electrolysis cell, and particularly relates to an upper crust breaking cylinder overhaul device of the aluminum electrolysis cell.
Background
In the aluminum electrolysis production process, the main raw material alumina is added into the electrolytic tank and can be guided into the electrolytic tank through the matching method of a blanking fixed container and a crust breaking cylinder, and the crust breaking cylinder is one of the indispensable equipment for aluminum electrolysis production and mainly matched with a fixed-volume blanking device to complete blanking work and ensure that each crust breaking point is unblocked and ensure that the alumina normally enters the electrolytic tank. The crust breaking cylinder inevitably has the faults of air leakage, no action and the like under the conditions of high temperature environment and frequent action, wherein the air leakage phenomenon is particularly remarkable, mainly because the piston rod anti-falling plunger is loose, the fastening agent is coated at the thread when the anti-falling plunger is assembled, and therefore, the piston rod anti-falling plunger needs to be heated to melt the fastening agent when the sealing element is replaced by the overhauling cylinder, and the smoke generated by operation causes occupational hazard and potential safety hazard to operators.
The existing method for overhauling the shell-breaking cylinder to detach the piston rod drop-stopping plunger is gas heating, the method has the problems of low heating efficiency, uneven heating, easiness in damaging equipment parts, multiple people's cooperation during operation, disordered emission of generated smoke and the like, serious occupational hazards and potential safety hazards are brought to overhaulers along with the increase of labor intensity and the exceeding smoke emission, and the overhauling cost is high. Therefore, there is a need to develop a device that is easy to operate, convenient to maintain, capable of reducing the labor intensity of operators and effectively collecting the flue gas, so as to reduce the production cost and enable the flue gas emission compliance to reach the standard.
Disclosure of Invention
The invention aims to solve the problems existing in the overhaul of the existing crust breaking cylinder, and provides the aluminum electrolysis crust breaking cylinder overhaul heating and dust collection integrated machine which can quickly and effectively heat the piston rod drop-stopping plunger and collect harmful smoke, is easy to operate and maintain, can reduce the labor intensity of operators, reduces the production cost and enables the smoke emission compliance to reach the standard.
The aim of the invention is realized by the following technical scheme:
the aluminum electrolysis crust breaking cylinder overhauling, heating and dust collection integrated machine comprises an operation table, a gas collecting hood arranged on the operation table, a high-frequency electromagnetic heater positioned on the back surface of the gas collecting hood and used for heating a falling-stopping plunger on a piston rod, a smoke purifying mechanism arranged beside the operation table, a smoke collecting pipe connected with the gas collecting hood and the smoke purifying mechanism, and an exhaust pipe connected with the smoke purifying mechanism; the front end of a top plate of the operation table is provided with a top plate U-shaped notch, two sides of the top plate U-shaped notch are symmetrically provided with through holes, the top plate of the operation table is provided with a supporting plate, the front end of the supporting plate is provided with a supporting plate U-shaped notch aligned with the top plate U-shaped notch, two sides and the bottom side of the supporting plate, which are positioned on the top surface of the supporting plate, of the supporting plate U-shaped notch are respectively welded with limiting angle steel, two sides of the supporting plate U-shaped notch are symmetrically provided with bolt holes aligned with the through holes, jacking cylinders are symmetrically arranged on two sides of the top plate U-shaped notch below the top plate of the operation table, the top of a cylinder body of each jacking cylinder is fixedly connected to the top plate of the operation table through bolts, and a piston rod of each jacking cylinder upwards penetrates through the through holes and the bolt holes and is fixedly connected with the supporting plate through bolts; the induction coil of the high-frequency electromagnetic heater extends into the gas collecting hood and is positioned above the U-shaped groove of the supporting plate.
The flue gas purifying mechanism is a welding fume purifier.
The top plate, the gas collecting hood and the supporting plate of the operating platform are all made of steel plates.
The invention has simple structure, convenient operation, high heating speed, even heating of the falling-stopping plunger, difficult damage to equipment parts, effective absorption of harmful smoke dust generated by heating the falling-stopping plunger of the piston rod, guarantee of the health of operators and effective solution of the difficult maintenance problem of the crust breaking cylinder at the upper part of the tank in the aluminum electrolysis industry.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic front view of the invention in operation;
FIG. 3 is a schematic view of the structure of the assembled parts of the console, the gas hood, and the high-frequency electromagnetic heater;
fig. 4 is a schematic view of a console and a gas hood.
Detailed Description
The invention is further illustrated by the following examples.
As shown in fig. 1 to 4, the aluminum electrolysis crust breaking cylinder overhauling, heating and dust collection integrated machine comprises an operation table 4, a gas collecting hood 13 arranged on the operation table, a high-frequency electromagnetic heater 1 arranged on the operation table and positioned on the back of the gas collecting hood and used for heating a falling-stopping plunger 8 on a piston rod, a smoke purifying mechanism 2 arranged beside the operation table, a smoke collecting pipe 3 connected with the gas collecting hood and the smoke purifying mechanism, and an exhaust pipe 14 arranged on the smoke purifying mechanism. As shown in fig. 4, a top plate U-shaped slot 12 is formed at the front end of the top plate of the operation table, and through holes 11 are symmetrically formed at both sides of the top plate U-shaped slot. As shown in fig. 1 to 3, a supporting plate 6 is arranged on a top plate of the operation table, a supporting plate U-shaped groove 15 aligned with the U-shaped groove of the top plate is formed at the front end of the supporting plate, limiting angle steels 10 are welded on two sides and the bottom side of the supporting plate, which are positioned on the top surface of the supporting plate, respectively, and the opening of the angle steels faces the outer side of the U-shaped groove of the supporting plate. Bolt holes 16 aligned with the through holes 11 are symmetrically formed in two sides of the U-shaped notch of the supporting plate, jacking air cylinders 5 are symmetrically arranged on two sides of the U-shaped notch of the top plate below the top plate of the operating platform, the tops of the cylinder bodies of the jacking air cylinders are fixedly connected to the top plate of the operating platform through bolts, piston rods of the jacking air cylinders upwards penetrate through the through holes 11 and the bolt holes 16, and the top ends of the piston rods are fixedly connected with the supporting plate 6 through bolts 9. The induction coil 7 of the high-frequency electromagnetic heater 1 penetrates through the backboard of the gas collecting hood to extend into the gas collecting hood and is positioned above the U-shaped groove of the supporting plate. The high-frequency electromagnetic heater 1 is a device in the prior art, is directly purchased in the market, and is an HY-15KW high-frequency induction heater in the embodiment. The flue gas purifying mechanism 2 is a welding fume purifier and can be directly purchased in the market. The operation panel top plate, the gas collecting hood and the supporting plate are all made of steel plates. The flue gas collecting pipe 3 adopts a steel pipe.
The working process of the invention is as follows:
as shown in fig. 2, the field service personnel place the piston rod 17 in the support plate U-shaped slot 15 with the drop-stop plunger 8 of the piston rod facing upward. The limiting angle steel 10 limits the piston rod, so that the piston rod is placed stably and cannot incline or shake. The smoke purification mechanism 2 is started, the two jacking cylinders 5 are started, the piston rods of the two jacking cylinders are jacked up simultaneously, the supporting plate 6 is jacked up horizontally, the piston rods are driven to ascend, the falling-stopping plunger 8 enters the induction coil 7 of the high-frequency electromagnetic heater, the high-frequency electromagnetic heater 1 is started to heat the falling-stopping plunger of the piston rod, and the fastening agent on the falling-stopping plunger of the piston rod is heated and melted through high-frequency induction heating so as to be convenient to detach. The flue gas generated in the heating process enters the flue gas purifying mechanism 2 through the gas collecting hood 13 and the flue gas collecting pipe 3, and is discharged from the exhaust pipe 14 after being filtered. After the heating is finished, the high-frequency electromagnetic heater stops working, the piston rod of the jacking cylinder 5 returns, the supporting plate falls on the top plate of the operating platform, and the piston rod is taken down.
The invention has simple structure, convenient operation, high heating speed, even heating of the falling-stopping plunger, difficult damage to equipment parts, and high collection rate of harmful smoke dust generated reaching more than 98 percent, effectively ensures the health of operators, ensures that enterprises really realize the artificial safe production concept, can realize effective safe standardized management, and effectively solves the difficult problem of overhauling the crust breaking cylinder at the upper part of the tank in the aluminum electrolysis industry. The device can also be used for heating other similar workpieces.
Claims (3)
1. The aluminum electrolysis crust breaking cylinder overhauling, heating and dust collection integrated machine is characterized by comprising an operation table (4), a gas collecting hood (13) arranged on the operation table, a high-frequency electromagnetic heater (1) positioned on the back surface of the gas collecting hood and used for heating a piston rod upper falling-stopping plunger (8), a smoke purifying mechanism (2) arranged beside the operation table, a smoke collecting pipe (3) connected with the gas collecting hood and the smoke purifying mechanism, and an exhaust pipe (14) connected with the smoke purifying mechanism; a top plate U-shaped groove (12) is formed in the front end of a top plate of an operation table, through holes (11) are symmetrically formed in two sides of the top plate U-shaped groove, a supporting plate (6) is arranged on the top plate of the operation table, supporting plate U-shaped grooves (15) aligned with the top plate U-shaped groove are formed in the front end of the supporting plate, limit angle steel (10) is welded on two sides and the bottom side of the supporting plate U-shaped groove respectively on the top surface of the supporting plate, bolt holes (16) aligned with the through holes (11) are symmetrically formed in two sides of the supporting plate U-shaped groove, jacking cylinders (5) are symmetrically arranged on two sides of the top plate U-shaped groove below the top plate of the operation table, the top of each cylinder body of each jacking cylinder is fixedly connected to the top plate of the operation table through bolts, and piston rods of the jacking cylinders upwards penetrate through the through holes (11) and the bolt holes (16) and are fixedly connected with the supporting plate (6) through bolts; an induction coil (7) of the high-frequency electromagnetic heater (1) stretches into the gas collecting hood and is positioned above the U-shaped groove of the supporting plate.
2. The aluminum electrolysis crust breaking cylinder overhauling, heating and dust collection integrated machine according to claim 1, wherein the flue gas purifying mechanism (2) is a welding fume purifier.
3. The aluminum electrolysis crust breaking cylinder overhauling, heating and dust collection all-in-one machine according to claim 1 or 2, wherein the top plate, the gas collecting hood and the supporting plate of the operation table are all made of steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111216916.7A CN113957488B (en) | 2021-10-19 | 2021-10-19 | Maintenance heating and dust collection integrated machine for aluminum electrolysis crust breaking cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111216916.7A CN113957488B (en) | 2021-10-19 | 2021-10-19 | Maintenance heating and dust collection integrated machine for aluminum electrolysis crust breaking cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113957488A CN113957488A (en) | 2022-01-21 |
| CN113957488B true CN113957488B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111216916.7A Active CN113957488B (en) | 2021-10-19 | 2021-10-19 | Maintenance heating and dust collection integrated machine for aluminum electrolysis crust breaking cylinder |
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| Country | Link |
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| CN (1) | CN113957488B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009030812A (en) * | 2007-06-27 | 2009-02-12 | Sintokogio Ltd | Heating method and device for piston rod section of cylinder in exhaust emission control equipment |
| CN201538820U (en) * | 2009-11-03 | 2010-08-04 | 中国铝业股份有限公司 | Aluminum electrolytic pot shell device |
| CN102776531A (en) * | 2011-05-09 | 2012-11-14 | 贵阳铝镁设计研究院有限公司 | Burner gas collection apparatus of aluminum electrolysis cell |
| CN209120014U (en) * | 2019-01-04 | 2019-07-16 | 天津市海斯特电机有限公司 | Motor casing heating device with dust removing effects |
| CN212457971U (en) * | 2020-05-29 | 2021-02-02 | 湖州南丰机械制造有限公司 | Lifting intermediate frequency electric furnace |
-
2021
- 2021-10-19 CN CN202111216916.7A patent/CN113957488B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009030812A (en) * | 2007-06-27 | 2009-02-12 | Sintokogio Ltd | Heating method and device for piston rod section of cylinder in exhaust emission control equipment |
| CN201538820U (en) * | 2009-11-03 | 2010-08-04 | 中国铝业股份有限公司 | Aluminum electrolytic pot shell device |
| CN102776531A (en) * | 2011-05-09 | 2012-11-14 | 贵阳铝镁设计研究院有限公司 | Burner gas collection apparatus of aluminum electrolysis cell |
| CN209120014U (en) * | 2019-01-04 | 2019-07-16 | 天津市海斯特电机有限公司 | Motor casing heating device with dust removing effects |
| CN212457971U (en) * | 2020-05-29 | 2021-02-02 | 湖州南丰机械制造有限公司 | Lifting intermediate frequency electric furnace |
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| Publication number | Publication date |
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| CN113957488A (en) | 2022-01-21 |
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