CN114293229A - Efficient crust breaking device and method for aluminum electrolytic cell - Google Patents

Efficient crust breaking device and method for aluminum electrolytic cell Download PDF

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Publication number
CN114293229A
CN114293229A CN202210018416.0A CN202210018416A CN114293229A CN 114293229 A CN114293229 A CN 114293229A CN 202210018416 A CN202210018416 A CN 202210018416A CN 114293229 A CN114293229 A CN 114293229A
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hammer head
crust breaking
pin shaft
center hole
rotating body
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CN202210018416.0A
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CN114293229B (en
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闫明
边明茹
于卫锋
贾志忠
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Gansu Western Heavy Industry Co ltd Of Jisco
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Gansu Western Heavy Industry Co ltd Of Jisco
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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Abstract

The invention relates to an efficient crust breaking device and a crust breaking method for an aluminum electrolytic cell, wherein the crust breaking device comprises a hammer head and a cylinder body connecting body, the cylinder body connecting body is provided with a center hole III, the hammer head is connected in the center hole III in a sliding manner, the hammer head comprises a cylindrical part and a hammer head part, the hammer head part is arranged at the lower end of the cylindrical part, the cylindrical part is connected in the center hole III in a sliding manner, the lower end of the cylinder body connecting body is rotatably connected with a lower rotating body, the lower rotating body is provided with a center hole I, the cylindrical part is connected in the center hole I in a sliding manner, the outer wall of the cylindrical part is provided with an elongated groove, a pin shaft groove is arranged on the inner wall of the center hole I, a pin shaft is connected between the elongated groove and the pin shaft groove, the elongated groove is connected on the pin shaft in a sliding manner, the upper end of the cylinder body connecting body is connected on a hydraulic cylinder, and a piston of the hydraulic cylinder is connected with the top surface of the cylindrical part. The piston of the hydraulic cylinder can drive the hammer head to hammer the shell up and down, so that the vertical hammering is realized. The invention has the beneficial effects that: simple structure, practicality, convenient operation, can realize diversified crust breaking, effectively improve crust breaking efficiency.

Description

Efficient crust breaking device and method for aluminum electrolytic cell
Technical Field
The invention relates to the technical field of aluminum electrolysis, in particular to an efficient crust breaking device and a crust breaking method for an aluminum electrolysis cell.
Background
The production of an aluminum electrolysis plant mainly adopts an aluminum electrolysis cell, an anode is made of carbon materials, the surface of molten aluminum salt electrolytic solution can be crusted in the production process, the crusting surrounds the periphery of the anode, and the anode needs to be frequently replaced, so that the crusting needs to be broken before replacement, and the anode can be replaced, residues can be cleaned and the like after the crusting is broken; the breaking mode adopted at present is that a hydraulic cylinder drives a cylindrical crust breaking hammer head to move up and down, and a steel claw is driven to lift out a square liquid level with a required size. The currently used crust breaking hammer is cylindrical, is directly connected with the cylinder body connecting body through the pin shaft and can only move up and down, the striking area of the cylindrical hammer is small, the time for striking the area of 1 meter is long, and the efficiency is low. Therefore, changing the striking area and the striking manner becomes a key problem for improving the efficiency.
Disclosure of Invention
The invention aims to solve the technical problems and provides the high-efficiency crust-breaking hammer head rotating device which is simple and practical in structure, convenient to operate, capable of realizing multidirectional crust breaking and effectively improving crust breaking efficiency.
In order to solve the technical problem, the invention provides an efficient crust breaking device for an aluminum electrolytic cell, which comprises a hammer head and a cylinder body connecting body, wherein the cylinder body connecting body is provided with a center hole III, the hammer head is connected in the center hole III in a sliding manner, the hammer head comprises a cylindrical part and a hammer head part, the hammer head part is arranged at the lower end of the cylindrical part, the cylindrical part is connected in the center hole III in a sliding manner, the lower end of the cylinder body connecting body is rotatably connected with a lower rotating body, the lower rotating body is provided with a center hole I, the cylindrical part is connected in the center hole I in a sliding manner, the outer wall of the cylindrical part is provided with an elongated groove, a pin shaft groove is arranged on the inner wall of the center hole I, a pin shaft is connected between the elongated groove and the pin shaft groove, the elongated groove is connected on the pin shaft in a sliding manner, the upper end of the cylinder body connecting body is connected on a hydraulic cylinder, and a piston of the hydraulic cylinder is connected with the top surface of the cylindrical part. The piston of the hydraulic cylinder can drive the hammer head to hammer the shell up and down, so that the vertical hammering is realized.
The cylinder body coupling body lower extreme fixedly connected with go up the connector, go up the connector and be equipped with centre bore II, II lower extremes of centre bore are equipped with the step, lower rotator top is equipped with the stay tube on, go up the stay tube and rotate to be connected in centre bore II, go up and be connected with thrust ball bearing between stay tube and the step top surface, go up the stay tube top surface and be equipped with the external screw thread, be connected with round nut on the external screw thread, round nut connects on thrust ball bearing top. The rotary body drives the hammer head to rotate under the better realization of the thrust ball bearing, and then the different positions of the shell are beaten, and the efficiency of the shell can be improved by beating a plurality of positions.
The end face of the lower rotating body is provided with a ball groove, the bottom surface of the upper connector is provided with a through hole, a jackscrew is connected in the threaded hole, the lower end of the jackscrew is connected with a spring, the lower end of the spring is connected with a steel ball, and the lower end of the steel ball is connected in the ball groove. The arranged ball groove ensures that the steel ball falls into the ball groove of the lower rotating body for positioning after the lower rotating body rotates.
The threaded holes are arranged in a plurality of numbers, the threaded holes are circumferentially arranged, and each threaded hole is internally connected with a jackscrew, a spring and a steel ball.
The hammer head is trapezoidal. The contact area with the liquid level is increased, and the up-and-down movement times of the hydraulic cylinder are reduced, so that the crust breaking efficiency is greatly improved.
The center of the two threaded holes and the center of the central hole II are connected through a connecting line at 90 degrees.
The crust breaking method using the high-efficiency crust breaking device for the aluminum electrolytic cell comprises the following steps:
1) the hydraulic cylinder drives the crust breaking device to move up and down, and a gap I is formed on a crust breaking surface along the long edge direction of a hammer head part of the hammer head 1; rotating the lower rotating body by hand, wherein the lower rotating body drives the hammer heads to rotate together through the pin shaft, and after the long edge of the trapezoidal surface of the hammer head rotates by 90 degrees, a gap II vertical to the gap I is punched on the crusting surface along the long edge direction;
2) the lower rotating body is rotated by hands again, the lower rotating body drives the hammer heads to rotate together through the pin shaft, and after the trapezoidal surfaces of the hammer heads rotate by 90 degrees again, a gap III parallel to the gap is punched on the knot shell surface along the long edge direction;
3) and rotating the lower rotating body again by hand, wherein the lower rotating body drives the hammer heads to rotate together through the pin shaft, and after the hammer head part of the hammer head rotates by 90 degrees, a gap IV vertical to the gap I is punched on the crust surface along the long edge direction.
The invention has the beneficial effects that:
1) the lower rotating body can drive the hammer head to rotate through the arranged thrust ball bearing, so that different parts of the shell are beaten, and the efficiency of the shell can be improved through multi-part beating;
2) the ball groove is arranged to ensure that the steel ball falls into the ball groove of the lower rotating body for positioning after the lower rotating body rotates;
3) the ball groove is arranged to ensure that the steel ball falls into the ball groove of the lower rotating body for positioning after the lower rotating body rotates;
4) the shape of the hammer head is trapezoidal. The contact area with the liquid level is increased, and the up-and-down movement times of the hydraulic cylinder are reduced, so that the crust breaking efficiency is greatly improved.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 of the present invention;
fig. 4 is a schematic structural diagram of the hammer head of the invention;
FIG. 5 is a cross-sectional view of the lower rotor of the present invention;
FIG. 6 is a cross-sectional view of an upper connector of the present invention;
FIG. 7 is a schematic structural view of an upper connecting body according to the present invention.
In the figure: the hammer comprises a hammer head 1, a cylindrical part 101, a hammer head part 102, a long groove 103, lower rotating bodies 2 and 201, and a central hole I201; the connecting structure comprises a ball groove 202, a pin shaft groove 203, an upper supporting pipe 204, an external thread 205, an upper connecting body 3, a central hole II 301, a step 302 and a threaded hole 303; the cylinder body connecting body 4, a center hole III 401, a steel ball 5, a spring 6, a jackscrew 7, a pin shaft 8, a round nut 9 and a thrust ball bearing 10.
Detailed Description
The invention will be further described with reference to fig. 1-4.
The invention relates to an efficient crust breaking device for an aluminum electrolytic cell, which comprises a hammer head 1, a cylindrical part 101, a hammer head part 102, a long groove 103, a lower rotating body 2, a lower rotating body 201 and a central hole I201; the connecting structure comprises a ball groove 202, a pin shaft groove 203, an upper supporting pipe 204, an external thread 205, an upper connecting body 3, a central hole II 301, a step 302 and a threaded hole 303; cylinder body coupling 4, centre bore III 401, steel ball 5, spring 6, jackscrew 7, round pin axle 8, round nut 9, thrust ball bearing 10, specific structure is: the hammer comprises a hammer head 1 and a cylinder body connecting body 4, wherein the cylinder body connecting body 4 is provided with a center hole III 401, the hammer head 1 is connected in the center hole III 401 of the hammer head 1 in a sliding mode, the hammer head 1 comprises a cylindrical portion 101 and a hammer head portion 102, the hammer head portion 102 is arranged at the lower end of the cylindrical portion 101, the cylindrical portion 101 is connected in the center hole III 401 in a sliding mode, the lower end of the cylinder body connecting body 4 is connected with a lower rotating body 2 in a rotating mode, the lower rotating body 2 is provided with a center hole I201, the cylindrical portion 101 is connected in the center hole I201 in a sliding mode, an elongated groove 103 is formed in the outer wall of the cylindrical portion 101, a pin shaft groove 203 is formed in the inner wall of the center hole I201, a pin shaft 8 is connected between the elongated groove 103 and the pin shaft groove 203, the elongated groove 103 is connected on the pin shaft 8 in a sliding mode, the upper end of the cylinder body connecting body 4 is connected on a hydraulic cylinder, and a piston of the hydraulic cylinder is connected with the top face of the cylindrical portion 101. The piston of the hydraulic cylinder can drive the hammer head 1 to hammer the shell up and down, so that the vertical hammering is realized.
The lower end of the cylinder body coupling body 4 is fixedly connected with an upper connecting body 3, the upper connecting body 3 is provided with a central hole II 301, the lower end of the central hole II 301 is provided with a step 302, the top of the lower rotating body 2 is provided with an upper supporting pipe 204, the upper supporting pipe 204 is rotatably connected in the central hole II 301, a thrust ball bearing 10 is connected between the upper supporting pipe 204 and the top surface of the step 302, the top surface of the upper supporting pipe 204 is provided with an external thread 205, the external thread 205 is connected with a round nut 9, and the round nut 9 is connected to the top end of the thrust ball bearing 10. The lower rotating body 2 can drive the hammer head 1 to rotate through the arranged thrust ball bearing 10, so that different parts of the shell are beaten, and the efficiency of the shell can be improved through multi-part beating.
The end face of the lower rotating body 2 is provided with a ball groove 202, the bottom surface of the upper connecting body 3 is provided with a through hole 303, a jackscrew 7 is connected in the threaded hole 303, the lower end of the jackscrew 7 is connected with a spring 6, the lower end of the spring 6 is connected with a steel ball 5, and the lower end of the steel ball 5 is connected in the ball groove 202. The ball groove 202 is arranged to ensure that the steel ball 5 falls into the ball groove 202 of the lower rotating body 2 for positioning after the lower rotating body 2 rotates.
The threaded holes 303 are provided with a plurality of threaded holes 303, the threaded holes 303 are circumferentially arranged, and each threaded hole 303 is internally connected with a jackscrew 7, a spring 6 and a steel ball 5. The provision of the plurality of threaded holes 303 enables multi-position positioning when the lower rotating body 2 is rotated.
The hammer head 102 is trapezoidal in shape. The contact area with the liquid level is increased, and the up-and-down movement times of the hydraulic cylinder are reduced, so that the crust breaking efficiency is greatly improved.
The number of the threaded holes 303 is two, and a connecting line between the centers of the two threaded holes 303 and the center of the central hole II 301 forms 90 degrees. The 90 ° angle allows the hammer head 102 to achieve a hammering in both the horizontal and vertical directions.
The crust breaking method using the high-efficiency crust breaking device for the aluminum electrolytic cell comprises the following steps:
1) the hydraulic cylinder drives the crust breaking device to move up and down, and a gap I is formed on a crust breaking surface along the long edge direction of a hammer head part 102 of the hammer head 1; rotating the lower rotating body 2 by hand, wherein the lower rotating body 2 drives the hammer head 1 to rotate together through the pin shaft 8, and a gap II perpendicular to the gap I is punched on the crusting surface along the long edge direction after the long edge of the trapezoidal surface of the hammer head 1 rotates by 90 degrees;
2) the lower rotating body 2 is rotated by hands again, the lower rotating body 2 drives the hammer head 1 to rotate together through the pin shaft 8, and a gap III parallel to the gap 1 is punched on the knot shell surface along the long edge direction after the trapezoidal surface of the hammer head 1 is rotated by 90 degrees again;
3) and the lower rotating body 2 is rotated by hands again, the lower rotating body 2 drives the hammer head 1 to rotate together through the pin shaft 8, and a gap IV vertical to the gap I is punched on the shell surface along the long edge direction after the hammer head part 102 of the hammer head 1 is rotated for 90 degrees. After the four gaps are communicated in a square shape, the anode can be guaranteed to be hung out from the liquid level, and the hammerhead is changed into a trapezoidal surface which is compared with the original circular surface. The contact area with the liquid level is increased, and the up-and-down movement times of the hydraulic cylinder are reduced, so that the crust breaking efficiency is greatly improved.

Claims (7)

1. An efficient crust breaking device for an aluminum electrolytic cell is characterized in that: the hydraulic cylinder comprises a hammer head (1) and a cylinder body connecting body (4), wherein the cylinder body connecting body (4) is provided with a center hole III (401), the hammer head (1) is connected in the center hole III (401) of the hammer head (1) in a sliding manner, the hammer head (1) comprises a cylindrical part (101) and a hammer head part (102), the hammer head part (102) is arranged at the lower end of the cylindrical part (101), the cylindrical part (101) is connected in the center hole III (401) in a sliding manner, the lower end of the cylinder body connecting body (4) is connected with a lower rotating body (2) in a rotating manner, the lower rotating body (2) is provided with a center hole I (201), the cylindrical part (101) is connected in the center hole I (201) in a sliding manner, the outer wall of the cylindrical part (101) is provided with an elongated slot (103), a pin shaft slot (203) is formed in the inner wall of the center hole I (201), a pin shaft (8) is connected between the elongated slot (103) and the pin shaft slot (203), the pin shaft (103) in a sliding manner, the elongated slot (8) is connected on the pin shaft (8), and the upper end of the cylinder body connecting body (4) is connected on a hydraulic cylinder body, the piston of the hydraulic cylinder is connected with the top surface of the cylindrical part (101).
2. The efficient crust breaking device for the aluminum reduction cell according to claim 1, wherein: cylinder body coupling body (4) lower extreme fixedly connected with connector (3), connector (3) are equipped with centre bore II (301), centre bore II (301) lower extreme is equipped with step (302), lower rotator (2) top is equipped with last stay tube (204), it rotates to connect in centre bore II (301) to go up stay tube (204), it is connected with thrust ball bearing (10) to go up between stay tube (204) and step (302) top surface, it is equipped with external screw thread (205) to go up stay tube (204) top surface, be connected with round nut (9) on external screw thread (205), round nut (9) are connected on thrust ball bearing (10) top.
3. The efficient crust breaking device for the aluminum reduction cell according to claim 2, wherein: the end face of the lower rotating body (2) is provided with a ball groove (202), the bottom face of the upper connecting body (3) is provided with a through hole (303), a jackscrew (7) is connected in the threaded hole (303), the lower end of the jackscrew (7) is connected with a spring (6), the lower end of the spring (6) is connected with a steel ball (5), and the lower end of the steel ball (5) is connected in the ball groove (202).
4. An efficient crust breaking device for an aluminum electrolysis cell according to claim 3, wherein: threaded hole (303) be equipped with a plurality ofly, a plurality of threaded hole (303) circumference sets up, all is connected with jackscrew (7), spring (6) and steel ball (5) in every threaded hole (303).
5. The efficient crust breaking device for the aluminum reduction cell according to claim 4, wherein: the hammer head (102) is trapezoidal in shape.
6. The efficient crust breaking device for the aluminum reduction cell according to claim 5, wherein: the number of the threaded holes (303) is two, and the connecting line of the centers of the two threaded holes (303) and the center of the center hole II (301) forms 90 degrees.
7. A crust breaking method using the high-efficiency crust breaking device for the aluminum reduction cell according to claim 6, wherein the method comprises the following steps:
1) the hydraulic cylinder drives the crust breaking device to move up and down, and a gap I is formed on a crust breaking surface along the long edge direction of a hammer head part (102) of the hammer head (1); rotating the lower rotating body (2) by hand, wherein the lower rotating body (2) drives the hammer head (1) to rotate together through a pin shaft (8), and after the long edge of the trapezoidal surface of the hammer head (1) rotates by 90 degrees, a gap II vertical to the gap I is punched on the crusting surface along the long edge direction;
2) the lower rotating body (2) is rotated again by hand, the lower rotating body (2) drives the hammer head (1) to rotate together through the pin shaft (8), and a gap III parallel to the gap 1 is punched on the knot shell surface along the long edge direction after the trapezoidal surface of the hammer head (1) is rotated for 90 degrees again;
3) and finally, rotating the lower rotating body (2) by hand, wherein the lower rotating body (2) drives the hammer head (1) to rotate together through the pin shaft (8), and a gap IV vertical to the gap I is punched on the shell surface along the long edge direction after the hammer head part (102) of the hammer head (1) rotates for 90 degrees.
CN202210018416.0A 2022-01-08 2022-01-08 Efficient crust breaking device and crust breaking method for aluminum electrolysis cell Active CN114293229B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5294318A (en) * 1992-07-15 1994-03-15 Louis A. Grant, Inc. Crustbreaking assembly for aluminum electrolysis cells
CN2846447Y (en) * 2005-12-13 2006-12-13 沈阳铝镁设计研究院 Mechanical shell beater
CN201574198U (en) * 2009-09-10 2010-09-08 河南中孚实业股份有限公司 Novel aluminum electrolysis cell crust breaking hammer head
CN101967656A (en) * 2010-10-28 2011-02-09 湖南晟通科技集团有限公司 Shell-breaker
CN202730261U (en) * 2012-07-27 2013-02-13 中国铝业股份有限公司 Device for preventing crusting of crust breaking chips of aluminum electrolysis cell
CN205710967U (en) * 2016-06-08 2016-11-23 河南永登铝业有限公司阳城分公司 Aluminium electrolysis cell crust breaker

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5294318A (en) * 1992-07-15 1994-03-15 Louis A. Grant, Inc. Crustbreaking assembly for aluminum electrolysis cells
CN2846447Y (en) * 2005-12-13 2006-12-13 沈阳铝镁设计研究院 Mechanical shell beater
CN201574198U (en) * 2009-09-10 2010-09-08 河南中孚实业股份有限公司 Novel aluminum electrolysis cell crust breaking hammer head
CN101967656A (en) * 2010-10-28 2011-02-09 湖南晟通科技集团有限公司 Shell-breaker
CN202730261U (en) * 2012-07-27 2013-02-13 中国铝业股份有限公司 Device for preventing crusting of crust breaking chips of aluminum electrolysis cell
CN205710967U (en) * 2016-06-08 2016-11-23 河南永登铝业有限公司阳城分公司 Aluminium electrolysis cell crust breaker

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