Centre joint symmetrical expression anode electric-conducting device for aluminum electrolytic cell
Technical field: centre joint symmetrical expression anode electric-conducting device for aluminum electrolytic cell of the present invention is an anode electric-conducting device for aluminum electrolytic cell.The main application and the production of pre-calcining electrolytic cell and the deisgn product and the manufacturing of anode anode conducting device.
Background technology: existing general anode electric-conducting device for aluminum electrolytic cell is mainly by the anode aluminium guide bar, and compound blast weld tabs of aluminum steel and anode steel jaw structure form.Its constitutional features does, adopts the compound blast sheet of aluminum steel of a horizontal arrangement in the lower end of aluminium guide bar, carries out bimetal welding conduction with the anode steel jaw crossbeam of an integral body and is connected, and the lower end of anode steel jaw is with the mode of the ferrophosphorus ring of casting.Conduct electricity with anode block and to be connected.
Mainly there is following defective in existing general anode electric-conducting device for aluminum electrolytic cell, the one, the compound blast sheet of aluminum steel of the horizontal arrangement between aluminium guide bar and the anode steel jaw crossbeam self aluminium-steel composite surface and with the aluminium guide bar lower end to get the aluminum annular-shaped weld seam easy to crack.The 2nd, general at present anode electric-conducting device for aluminum electrolytic cell is being assembled with anode block; After application is produced with aluminium cell; Because hotline expansion coefficient and isothermal distribution are different between anode block and the anode steel claw material; After particularly anode scrap went out aluminium cell, the cooling contraction speed between anode scrap carbon piece and the anode steel jaw crossbeam was different, very easily caused the anode steel jaw head that is arranged on anode steel jaw crossbeam two ends after the cooling inwardly to collude compression deformation (as shown in Figure 1).After the use in several cycles; Oversize as colluding distortion in the steel pawl head at anode steel jaw two ends, will cause the anode steel jaw head, because of size offset; Can't be assembled in the carbon bowl of the anode block of having finalized the design by design requirements and go, implement the casting phosphorus pig iron and conduct electricity with anode block and be connected.Have only eccentric anode steel jaw head is cut maintenance or changes the anode steel jaw head, could continue to reuse.Even the anode steel jaw that colludes in the off-centre is used reluctantly, after casting ferrophosphorus ring and anode block conduct electricity and be connected, also can cause the distribution of current inequality of anode block.
Summary of the invention; Owing to collude problem on deformation in anode block and the inconsistent caused anode steel jaw of anode steel jaw crossbeam thermal expansion; And the cracking of the compound blast weld tabs of the aluminum steel problem that comes off; It is the hard nut to crack that anode electric-conducting device for aluminum electrolytic cell exists; For the steel pawl head length phase that solves the anode steel jaw that general at present anode electric-conducting device for aluminum electrolytic cell exists use produce in collude problem and the compound blast weld tabs of aluminum steel the cracking problem; The present invention designs the structural design scheme that proposes a kind of new anode electric-conducting device for aluminum electrolytic cell, i.e. centre joint symmetrical expression anode electric-conducting device for aluminum electrolytic cell.
Centre joint symmetrical expression anode electric-conducting device for aluminum electrolytic cell is formed by anode aluminium guide bar, aluminum steel composite sheet, anode steel jaw structure, and anode steel jaw is made up of steel pawl crossbeam and steel pawl head two portions.
Centre joint symmetrical expression anode electric-conducting device for aluminum electrolytic cell is characterized in that: the anode steel jaw of anode conducting device is divided into symmetrical two members, and symmetrical two anode steel jaw members connect with the lower ends of two aluminum steel composite sheet and an aluminium guide bar.
Centre joint symmetrical expression anode electric-conducting device for aluminum electrolytic cell is characterized in that: anode steel jaw is symmetric two members of left and right horizontal along carbon block length direction.
Centre joint symmetrical expression anode electric-conducting device for aluminum electrolytic cell is characterized in that: the bottom of aluminium guide bar has the centre joint or aluminium guide bar is divided into symmetrical two parts, but causes the aluminium guide bar lower end can produce the centre forward of left and right sides opening and closing distortion.
Centre joint symmetrical expression anode electric-conducting device for aluminum electrolytic cell is characterized in that: two members about anode steel jaw is divided into are connected with aluminium guide bar with two aluminum steel composite sheet; Two formed middle hollow joints of member combination linked to each other with the bottom centre joint of an aluminium guide bar about anode steel jaw divided.
Centre joint symmetrical expression anode electric-conducting device for aluminum electrolytic cell is characterized in that: the aluminum metal face of its two aluminum steel composite sheet is connected with two side surface part of aluminium guide bar lower end respectively.
Centre joint symmetrical expression anode electric-conducting device for aluminum electrolytic cell is characterized in that: the steel metal covering of its two aluminum steel composite sheet welds conduction with the crossbeam of two symmetric anode steel jaw parts respectively and is connected.
Centre joint symmetrical expression anode electric-conducting device for aluminum electrolytic cell is characterized in that, two aluminum steel composite sheet and aluminium guide bar can adopt welding or screw to be fastenedly connected between mutually.
The aluminium guide bar that adopts the lower end to have to regulate the centre joint, be mixed with the centre joint that anode steel jaw is assembled into to serving as a contrast the formula anode electric-conducting device for aluminum electrolytic cell with two blast weld tabs and symmetrical two members; After the phosphorus pig iron and the anode block assembling of casting is used for electrolyzer production; Because the adjusting centre joint of aluminium guide bar lower end and the anode steel jaw symmetry centre joint can absorb or discharge the horizontal thermal stresses between anode block and the anode steel jaw, therefore, can reduce or prevent the anode steel jaw head in collude distortion; Improve the life cycle life-span of anode steel jaw; Reduce the maintenance cost of anode steel jaw, improve the assembling quality of anode block, balanced anodic current density.
Description of drawings: the centre joint of the present invention is to the technical scheme and the constitutional features of lining formula anode electric-conducting device for aluminum electrolytic cell, and that in specific embodiment and description of drawings, explains is then more clear.
The front view of the anode electric-conducting device for aluminum electrolytic cell that Fig. 1 is existing general.
Fig. 2 centre joint of the present invention is to the front view of lining formula anode electric-conducting device for aluminum electrolytic cell embodiment 1.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 centre joint of the present invention is to the front view of lining formula anode electric-conducting device for aluminum electrolytic cell embodiment 2.
Fig. 5 centre joint of the present invention is to the front view of lining formula anode electric-conducting device for aluminum electrolytic cell embodiment 3.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 centre joint of the present invention is to the front view of lining formula anode electric-conducting device for aluminum electrolytic cell embodiment 4.
Fig. 8 centre joint of the present invention is to the front view of lining formula anode electric-conducting device for aluminum electrolytic cell embodiment 5.
Fig. 9 is the vertical view of Fig. 8.
Figure 10 invents the front view of the centre joint to lining formula aluminium cell double anode electric installation embodiment 5.
Figure 11 is the vertical view of Figure 10.
Shown in its figure: 1 aluminium guide bar, the 2 aluminium guide bar lower end centres joint, the compound blast weld tabs of 3 aluminum steels, 4 anode steel jaw crossbeams, 5 anode steel jaw heads, 6 conduction stiffening plates, the 7 crossbeams symmetry centre joint, 8 bolts, 9 upright Steel Current Conducting Plate, 10 anode blocks, 11 ferrophosphorus rings, 12 horizontal goosenecks of drawing.
Specific embodiments: the main purpose that the centre joint of the present invention is implemented lining formula anode electric-conducting device for aluminum electrolytic cell be solve existing general anode steel jaw (as shown in Figure 1) in collude distortion and blast weld tabs the problem that comes off, its concrete technical scheme and structure can be accomplished with reference to embodiment.
Embodiment 1: like Fig. 2, shown in Figure 3; The centre joint to its structure of lining formula anode electric-conducting device for aluminum electrolytic cell is; Two sides, lower end at aluminium guide bar (1); Be welded with two compound blast weld tabs of aluminum steel (3) respectively with aluminium-aluminium weldering, the lower end of the every compound blast weld tabs of aluminum steel (3) respectively is welded with by (5) two anode steel jaws that parts are formed of anode gooseneck (4) anode steel jaw head; Between two anode steel jaw members the symmetrical crossbeam centre joint (7) that is combined to form is arranged.In order to increase conduction and the strength of joint between compound blast weld tabs of aluminum steel (3) and the anode gooseneck (4), welding structure has conduction to connect stiffening plate (6) between compound blast weld tabs of aluminum steel (3) and anode steel jaw crossbeam (4).
In use; Utilizing the symmetrical crossbeam centre joint (7) of structure generation between two anode steel jaw beam parts (4) and aluminium guide bar (1) material on top is aluminium; The thermal stresses that the carbon piece is produced has the stronger absorption and the characteristics of release function; Collude distortion in the steel pawl head of minimizing anode steel jaw crossbeam lower end, improve the conduction strength of joint of the compound blast weld tabs of aluminum steel (3) between anode steel jaw crossbeam and the aluminium guide bar simultaneously.
Embodiment 2: like Fig. 4, shown in Figure 5; The centre joint is that the lower end of aluminium guide bar (1) has the centre joint (2), in the two sides, lower end of aluminium guide bar (1) to lining formula anode electric-conducting device for aluminum electrolytic cell structure; Be welded with two compound blast weld tabs of aluminum steel (3) respectively with aluminium-aluminium weldering; The lower end of the every compound blast weld tabs of aluminum steel (3) respectively is welded with anode gooseneck (4), and the lower end of anode gooseneck (4) is provided with the anode steel jaw head; The symmetrical crossbeam centre joint (7) is arranged between two anode goosenecks (4).
In use; Utilize the symmetrical crossbeam centre joint (7) of structure generation between two anode steel jaw beam parts (4) and the aluminium guide bar lower end centre joint (2) on top; The thermal stresses that the carbon piece is produced has the stronger absorption and the characteristics of release function, colludes distortion in the steel pawl head (5) of minimizing anode steel jaw crossbeam (4) lower end, if anode steel jaw head (5) colludes phenomenon in having taken place; Can be through the gap of the adjustment aluminium guide bar lower end centre joint (2) and the symmetrical crossbeam centre joint (7); The lateral dimension of anode steel jaw head (5) lower surface of adjustment steel pawl crossbeam (4) lower end in the work-ing life of prolongation anode steel jaw head, reduces the generation of maintenance load.
Embodiment 3: as shown in Figure 6; The centre joint is that the lower end of aluminium guide bar (1) has the centre joint (2), in the two sides, lower end of aluminium guide bar (1) to lining formula anode electric-conducting device for aluminum electrolytic cell structure; Available bolt (8) connects two compound blast weld tabs of aluminum steel (3); The lower end of the every compound blast weld tabs of aluminum steel (3) respectively is welded with anode gooseneck (4) member, and the lower end of anode gooseneck (4) is provided with the anode steel jaw head; The symmetrical crossbeam centre joint (7) is arranged between two anode goosenecks (4).
In use; The symmetrical crossbeam centre joint (7) that generates when utilizing assembled configuration between two anode steel jaw beam parts (4) and the aluminium guide bar lower end centre joint (2) on top; Thermal stresses had the stronger absorption and the characteristics of release function; Collude distortion in the steel pawl head (5) of minimizing anode steel jaw crossbeam (4) lower end; If collude phenomenon in anode steel jaw head (5) has taken place, can take anode steel jaw crossbeam (4) apart decomposition from the compound blast weld tabs of aluminum steel (3) and the junction bolt (8) of aluminium guide bar (1), the anode steel jaw head is keeped in repair.
Embodiment 4: as shown in Figure 7; The centre joint is that the lower end of aluminium guide bar (1) has the centre joint (2), in the two sides, lower end of aluminium guide bar (1) to lining formula anode electric-conducting device for aluminum electrolytic cell structure; The weldering of aluminium aluminium connects two compound blast weld tabs of aluminum steel (3); The lower end of the every compound blast weld tabs of aluminum steel (3) is connected with anode gooseneck (4) parts through erectting the upright Steel Current Conducting Plate (9) that draws that is provided with, and the lower end of anode gooseneck (4) is provided with the anode steel jaw head; The symmetrical crossbeam centre joint (7) is arranged between two anode goosenecks (4),
In use; Utilize the symmetrical crossbeam centre joint (7) of structure generation between two anode steel jaw beam parts (4) and the aluminium guide bar lower end centre joint (2) and the upright symmetrical centre joint of Steel Current Conducting Plate (9) that draws on top that the thermal stresses that the carbon piece produces is had the stronger absorption and the characteristics of release function; Collude distortion in the steel pawl head (5) of minimizing anode steel jaw crossbeam (4) lower end; If collude phenomenon in anode steel jaw head (5) has taken place; The reversible deformation of aluminium guide bar capable of using (1) lower end and Li La Steel Current Conducting Plate (9) is colluded distortion in the elimination anode steel jaw.
Embodiment 5 is like Fig. 8, shown in Figure 9; The centre joint is that the lower end of aluminium guide bar (1) has the centre joint (2), in the two sides, lower end of aluminium guide bar (1) to lining formula anode electric-conducting device for aluminum electrolytic cell structure; Be welded with two compound blast weld tabs of aluminum steel (3) respectively with aluminium-aluminium weldering; The lower end of the every compound blast weld tabs of aluminum steel (3) respectively is welded with one section of anode gooseneck (4) parts, and the lower end of anode gooseneck (4) is provided with the anode steel jaw head; The symmetrical crossbeam centre joint (7) is arranged between two anode goosenecks (4); For increase the compound blast weld tabs of aluminum steel (3) and; Conduction and strength of joint between the anode gooseneck (4), welding structure has conduction to connect stiffening plate (6) between compound blast weld tabs of aluminum steel (3) and anode steel jaw crossbeam.
In use; If collude phenomenon in anode steel jaw head (5) has taken place; Can be through the gap of the adjustment aluminium guide bar lower end centre joint (2) and the symmetrical crossbeam centre joint (7), the lateral dimension of anode steel jaw head (5) lower surface of adjustment steel pawl crossbeam (4) lower end, the work-ing life of prolongation anode steel jaw head.
Embodiment 6 is like Figure 10, shown in Figure 11; The centre joint to lining formula aluminium cell double anode electric installation structure is; The lower end of aluminium guide bar (1) has the centre joint (2), is welded with the compound blast weld tabs of aluminum steel (3) respectively in the two sides, lower end of aluminium guide bar (1), and the steel metal covering of two compound blast weld tabs of aluminum steel (3) is welded with horizontal gooseneck (12) respectively; The two ends of each horizontal gooseneck (12) are provided with and are configured with anode gooseneck (4), and the lower end of anode crossbeam steel (4) is provided with the anode steel jaw head.The symmetrical crossbeam centre joint (7) is arranged between two anode goosenecks of every side (4).
In use; Utilize the symmetrical crossbeam centre joint (7) of structure generation between two anode steel jaw beam parts of every side (4) and the aluminium guide bar lower end centre joint (2) on top; Thermal stresses is had the stronger absorption and the characteristics of release function, collude distortion in the steel pawl head (5) of minimizing anode steel jaw crossbeam (4) lower end, if anode steel jaw head (5) colludes phenomenon in having taken place; Can be through the gap of the adjustment aluminium guide bar lower end centre joint (2) and the symmetrical crossbeam centre joint (7); The lateral dimension of anode steel jaw head (5) lower surface of adjustment steel pawl crossbeam (4) lower end in the work-ing life of prolongation anode steel jaw head, reduces the generation of maintenance load.