CN221117651U - Novel anode carbon block group and carbon bowl forming device - Google Patents

Abstract

The utility model discloses a novel anode carbon block group and a carbon bowl forming device, wherein the novel anode carbon block group comprises an anode steel claw and carbon blocks; the anode steel claw comprises a plurality of independent claw heads, the claw heads are horizontally arranged at the lower end of the anode steel claw, and expansion gaps are reserved between two adjacent claw heads; a carbon bowl is arranged on one side of the carbon block facing the anode steel claw; the charcoal bowl comprises a bottom surface, a left side surface, a front side surface, a right side surface and a rear side surface; the left side surface and the right side surface are parallel and are respectively arranged at two sides of the bottom surface along the length direction of the bottom surface, and the left side surface and the right side surface are vertical to the bottom surface; the front side surface and the rear side surface are respectively arranged at two sides of the bottom surface along the width direction of the bottom surface, and the included angles between the front side surface and the bottom surface and between the rear side surface and the bottom surface are acute angles, so that the front side surface and the rear side surface incline inwards relative to the bottom surface; the plurality of claw heads are inserted into the carbon bowl and are cast and bonded with the carbon bowl through phosphorus pig iron.

Description

Novel anode carbon block group and carbon bowl forming device

Technical Field

The utility model relates to the technical field of aluminum electrolysis, in particular to a novel anode carbon block group and a carbon bowl forming device.

Background

The existing aluminum electrolysis anode carbon block group mainly comprises an aluminum guide rod, an explosion welding piece, an anode steel claw and a carbon block; wherein, the carbon block is provided with a plurality of independent carbon bowls, and the anode steel claw is provided with a plurality of claw heads; the aluminum guide rod is connected with the anode steel claw through an explosion welding piece; the claw heads are inserted into the corresponding carbon bowls and are adhered to the carbon bowls through casting of phosphorus pig iron. However, in the aluminum electrolysis anode carbon block group in the prior art, the contact pressure drop between the steel claw and the carbon block is overlarge due to the influence of the steel claw structure and the casting characteristics of phosphorus pig iron, so that the anode pressure drop is overlarge, and the ton aluminum energy consumption is increased.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art.

Therefore, the first aspect of the utility model provides a novel anode carbon block group, and the contact area of the anode steel claw and the carbon bowl can be increased by changing the structures of the anode steel claw and the carbon block, so that the contact resistance between the anode steel claw and the carbon bowl is reduced, and the anode pressure drop is reduced.

A second aspect of the utility model provides a charcoal bowl forming apparatus.

According to a first aspect of the present utility model, a novel anode carbon block set comprises:

The anode steel claw comprises a plurality of independent claw heads, wherein the claw heads are horizontally arranged at the lower end of the anode steel claw, and an expansion gap is reserved between two adjacent claw heads;

A carbon bowl is arranged on one side of the carbon block facing the anode steel claw; the carbon bowl comprises a bottom surface, a left side surface, a front side surface, a right side surface and a rear side surface; the left side surface and the right side surface are parallel and are respectively arranged at two sides of the bottom surface along the length direction of the bottom surface, and the left side surface and the right side surface are perpendicular to the bottom surface; the front side surface and the rear side surface are respectively arranged at two sides of the bottom surface along the width direction of the bottom surface, and the included angles between the front side surface and the rear side surface and the bottom surface are acute angles, so that the front side surface and the rear side surface incline inwards relative to the bottom surface; the plurality of claw heads are inserted into the carbon bowl and are bonded with the carbon bowl through casting of phosphorus pig iron.

The anode carbon block group provided by the embodiment of the utility model has at least the following beneficial effects: changing the structures of an anode steel claw and a carbon bowl, arranging expansion gaps between two adjacent claw heads, and connecting a plurality of independent carbon bowls into a whole to form a through groove; then, the claw heads are inserted into the carbon bowl and are cast and bonded through phosphorus pig iron, and the expansion joint can prevent the steel claw from expanding and damage the carbon block; therefore, the contact area between the anode steel claw and the carbon bowl can be increased, the contact resistance between the anode steel claw and the carbon bowl can be reduced, and the anode voltage drop can be reduced. The front side surface and the rear side surface of the carbon bowl are inclined inwards relative to the bottom surface, so that the processing cost can be reduced to a certain extent.

According to some embodiments of the utility model, the front side and the rear side are at an angle in the range of 80 ° to 88 ° to the bottom surface.

According to some embodiments of the utility model, the front side and the rear side are preferably at an angle of 85 ° to the bottom surface.

According to some embodiments of the utility model, the anode steel claw is cut from a steel plate; the anode steel claw comprises an isosceles trapezoid part and a rectangular part; the isosceles trapezoid part is arranged at the upper end of the rectangular part; the length of the long bottom edge of the isosceles trapezoid part is smaller than that of the rectangular part; the expansion joint is arranged on the rectangular part, and the height of the expansion joint is equal to the height of the rectangular part.

According to some embodiments of the utility model, the isosceles trapezoid is 3-4 times the height of the rectangular portion.

According to some embodiments of the utility model, the isosceles trapezoid is preferably 3 times the height of the rectangular portion.

According to some embodiments of the utility model, the height of the claw head is greater than or equal to the depth of the charcoal bowl.

According to a second aspect of the embodiment of the utility model, a carbon bowl forming device comprises a bottom plate, a left movable plate, a right movable plate, a front movable plate and a rear movable plate;

The bottom plate is horizontally arranged and can stretch out and draw back along the width direction of the bottom plate, and the bottom plate stretches to form the bottom surface of the carbon bowl;

The left movable plate and the right movable plate are arranged in parallel and vertically at two ends of the bottom plate along the length direction of the bottom plate; one side of the left movable plate and one side of the right movable plate, which are far away from each other, are respectively used for forming the left side surface and the right side surface of the carbon bowl;

The front movable plate and the rear movable plate are respectively arranged at two sides of the bottom plate along the width direction of the bottom plate, and the included angles of the front movable plate and the rear movable plate and the bottom plate are acute angles, so that the front movable plate and the rear movable plate incline inwards relative to the bottom plate; one side of the front movable plate and one side of the rear movable plate, which are far away from each other, are respectively used for forming the front side surface and the rear side surface of the carbon bowl.

According to some embodiments of the utility model, the base plate comprises a fixed plate, a first sliding plate, and a second sliding plate; the first sliding plate and the second sliding plate are respectively arranged at two sides of the fixed plate along the width direction; the first sliding plate is connected with the front movable plate, and the second sliding plate is connected with the rear movable plate; the fixed plate is provided with a hollow cavity structure, and the first sliding plate and the second sliding plate can move relative to the fixed plate so as to extend out of or sink into the cavity of the fixed plate.

According to some embodiments of the present utility model, first guide grooves are symmetrically formed on two inner side walls of the cavity portion of the fixed plate, which are used for accommodating the first sliding plate, along the length direction of the fixed plate, first positioning blocks extend into the first guide grooves, and first positioning grooves are formed on the first positioning blocks; the upper end face of the first sliding plate is provided with first support bars in a symmetrical mode at the position, close to the edge of the first sliding plate, of the first support bars, one side, away from each other, of each first support bar is outwards extended to form first guide protrusions and first positioning protrusions, the first positioning protrusions are arranged at one ends, close to the joints of the first support bars and the first sliding plate, of the first guide protrusions are arranged at the other ends, and the height, away from the upper end face of the first sliding plate, of each first guide protrusion is larger than that of the upper end face of the first sliding plate.

According to some embodiments of the present utility model, the cavity portion of the fixed plate accommodating the second sliding plate is symmetrically provided with second guide grooves along two inner side walls of the fixed plate in a length direction, second positioning blocks extend in the second guide grooves, and second positioning grooves are formed in the second positioning blocks; the upper end face of second sliding plate is close to the position symmetry of its edge and is provided with the second support bar, two the second support bar is all outwards extended to have second direction protruding and second location protruding in one side that keeps away from each other, the second location protruding be being close to the second support bar with the one end setting of the junction of second sliding plate, the second direction protruding sets up at the other end, the second direction protruding be greater than from the height of the up end of second sliding plate the second location protruding be greater than from the height of the up end of second sliding plate.

The charcoal bowl forming device provided by the embodiment of the utility model has at least the following beneficial effects: the flatness of the inner bottom plane, the left side surface, the right side surface, the front side surface and the rear side surface of the carbon bowl can be ensured by forming the inner bottom plane of the carbon bowl by using the horizontally arranged bottom plate and respectively forming the left side surface, the right side surface, the front side surface and the rear side surface of the carbon bowl by using the left side movable plate, the right side movable plate, the front side movable plate and the rear side movable plate; on one hand, the shaking of the bottom end of the anode steel claw when the bottom end of the anode steel claw contacts with the plane of the bottom of the inner side of the carbon bowl can be avoided; on the other hand, the contact between the anode steel claw and the left side surface or the right side surface of the carbon bowl can be avoided.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a front view of an anode steel stud according to an embodiment of the utility model;

FIG. 2 is a schematic diagram of a carbon block and a carbon bowl according to an embodiment of the present utility model;

FIG. 3 is a front view of the carbon block of FIG. 2;

FIG. 4 is a left side view of the carbon block of FIG. 2;

FIG. 5 is a cross-sectional view of the anode steel claw at an angle in the carbon bowl;

FIG. 6 is a cross-sectional view of the anode steel claw at another angle in the carbon bowl;

FIG. 7 is an angular cross-sectional view of a charcoal bowl forming apparatus according to an embodiment of the present utility model;

FIG. 8 is another angular cross-sectional view of a charcoal bowl forming apparatus according to an embodiment of the present utility model;

FIG. 9 is a schematic view of the inner wall of the cavity of the fixing plate according to the embodiment of the utility model;

FIG. 10 is a schematic view of a first sliding plate according to an embodiment of the present utility model;

Fig. 11 is a schematic view of a second sliding plate according to an embodiment of the utility model.

Reference numerals:

aluminum guide rod 100, explosion lug 200;

Anode steel claw 300, claw head 310, expansion joint 320, isosceles trapezoid part 330, rectangular part 340,

A refractory material 400;

carbon block 500, bottom surface 510, left side 520, front side 530, right side 540, and back side 550;

The charcoal bowl molding apparatus 600, the bottom plate 610, the fixing plate 611, the first guide groove 6111, the first positioning block 6112, the first positioning groove 6113, the second guide groove 6114, the second positioning block 6115, the second positioning groove 6116, the first sliding plate 612, the first support bar 6121, the first guide protrusion 6122, the first positioning protrusion 6123, the second sliding plate 613, the second support bar 6131, the second guide protrusion 6132, the second positioning protrusion 6133, the left side movable plate 620, the right side movable plate 630, the front side movable plate 640, the rear side movable plate 650, the upper cover plate 660, the driving assembly 670, the hydraulic cylinder 671, the extension rod 672, the first link 673, the second link 674, the first stub shaft 675, and the second stub shaft 676

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that, with reference to the description of the orientation, the terms "center, longitudinal, lateral, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, circumferential, radial, axial", etc., refer to the orientation or positional relationship as indicated on the basis of the drawings, merely for convenience of describing the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "configured," "arranged," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A novel anode carbon block set according to an embodiment of the first aspect of the present utility model is described below with reference to fig. 1 to 6.

As shown in fig. 1 to 6, the novel anode carbon block set according to the embodiment of the present utility model includes an aluminum guide rod 100, an explosion tab 200, an anode steel claw 300, and a carbon block 500. Wherein the upper end of the anode steel claw 300 is connected with the aluminum guide rod 100 through the explosion welding lug 200; the anode steel claw 300 comprises a plurality of independent claw heads 310, in the embodiment, the number of the claw heads 310 is three, the three claw heads 310 are horizontally arranged at the lower end of the anode steel claw 300, and an expansion gap 320 is formed between two adjacent claw heads 310; carbon block 500 may be placed in an electrolyte solution for aluminum electrolysis; the carbon block 500 is provided with a carbon bowl at one side facing the anode steel jaw 300, and a plurality of jaw heads 310 are simultaneously inserted into the carbon bowl and bonded with the carbon bowl by casting phosphorus pig iron.

In the application, by arranging one carbon bowl, then simultaneously inserting a plurality of claw heads 310 into the carbon bowl and casting and bonding the claw heads 310 by phosphorus pig iron, the expansion joint 320 can avoid the expansion of the claw heads 310, and the carbon block 500 is extruded to cause the cracking of the carbon block 500; the arrangement increases the contact area between the anode steel claw 300 and the carbon bowl, is beneficial to reducing the contact resistance between the anode steel claw 300 and the carbon bowl and reduces the anode voltage drop.

As shown in fig. 2, 4, and 6, in some embodiments of the utility model, the charcoal bowl includes a bottom surface 510, a left side surface 520, a front side surface 530, a right side surface 540, and a rear side surface 550; the left side surface 520 and the right side surface 540 are arranged in parallel and vertically, the left side surface 520 and the right side surface 540 are respectively arranged at two sides of the bottom surface 510 along the length direction, and the left side surface 520 and the right side surface 540 are vertical to the bottom surface 510; the front side 530 and the rear side 550 are disposed on two sides of the bottom surface 510 along the width direction thereof, and the angles between the front side 530 and the rear side 550 and the bottom surface 510 are acute angles, so that the front side 530 and the rear side 550 have a certain angle of inclination inwards relative to the bottom surface 510. When the claw 310 is placed in the charcoal bowl, a gap is provided between the edge of the claw 310 and the inner side wall of the charcoal bowl to avoid contact between the claw 310 and the inner side wall of the charcoal bowl.

Further, the front side 530 and rear side 550 are angled from 80 to 88 with respect to the bottom surface 510; in the present application, the front side 530 and rear side 550 are preferably at an angle of 85 ° to the bottom surface 510.

As shown in FIG. 1, in some embodiments of the utility model, the plurality of jaws 310 are uniform in size, facilitating fabrication and uniform conduction.

In some embodiments of the present utility model, the width of the expansion joint 320 is set to be 20mm to 40mm based on the thermal expansion amount of the jaw 310; in the present utility model, the width of the expansion gap 320 is preferably 20mm.

As shown in fig. 1, 5 and 6, in some embodiments of the present utility model, the anode steel claw 300 is cut from a steel plate having a predetermined thickness. The anode steel claw 300 comprises an isosceles trapezoid part 330 and a rectangular part 340, wherein the isosceles trapezoid part 330 is arranged at the upper end of the rectangular part 340; the length of the long base of isosceles trapezoid portion 330 is smaller than the length of rectangular portion 340. The expansion slit 320 is opened on the rectangular portion 340, and the height of the expansion slit 320 is equal to the height of the rectangular portion 340. The isosceles trapezoid portion 330 has a height 3 to 4 times the height of the rectangular portion 340. Preferably, the isosceles trapezoid portion 330 has a height 3 times that of the rectangular portion 340.

By the arrangement, on one hand, the conductive area of the anode steel claw 300 is increased, the current density flowing through the anode steel claw 300 is reduced, the anode steel claw 300 is uniform in conductivity, and the voltage drop of the anode steel claw 300 is reduced; on the other hand, the processing cost of the anode steel claw 300 is reduced.

In some embodiments of the utility model, the height of the jaw 310 is greater than or equal to the depth of the charcoal bowl.

In some embodiments of the present utility model, as shown in FIG. 5, the anode carbon block assembly further comprises a refractory material 400, wherein the refractory material 400 may be a low density refractory material such as a low density clay brick or a refractory fiberboard. The refractory 400 can be mounted on the claw head 310 by bonding or inserting, and when casting phosphorus pig iron, the refractory 400 can reserve expansion gaps between the claw head 310 and phosphorus pig iron, so as to prevent the claw head 310 from being expanded and deformed by heating and further crack the carbon block 500.

In the present application, the refractory 400 is disposed at the gap and the end of the claw head 310 along the length direction thereof, and can effectively prevent the claw head 310 from expanding the carbon block 500 due to the expansion stress when the phosphorus pig iron is cast into the carbon bowl or the anode is used as the upper groove. The refractory material 400 at the end position clings to the inner side wall of the carbon bowl; the gaps between the edges of the adjacent two claw heads 310, which are close to each other, form an expansion gap 320, the refractory material 400 is arranged in the expansion gap 320, the refractory material 400 in the expansion gap 320 is tightly attached to the left side surface 520 and the right side surface 540 of the carbon bowl, and when casting phosphorus pig iron into the carbon bowl, the expansion stress of the adjacent claw heads 310 to the carbon block 500 due to expansion deformation can be effectively avoided. In the present application, the distance between the left end position of the claw head 310 and the left side surface 520 of the charcoal bowl and the distance between the right end position of the claw head 310 and the right side surface 540 of the charcoal bowl are equal to the width of the expansion joint 320.

At present, the anode iron-carbon voltage drop of domestic aluminum electrolysis factories is generally 80 mV-150 mV, accounting for one third of the total voltage drop of the anode; by adopting the anode carbon block group in the technical scheme, the anode voltage drop can be effectively reduced by 30mV-60mV. According to the calculation of reducing the anode voltage drop by 40mV, the average voltage is 3900mV, the aluminum electricity consumption is 13300 kWh/ton, the electricity price is 0.5 yuan/kWh, and the electricity cost can be saved by about 6140 ten thousand yuan (the calculation formula is 13300 x 0.5 x 90 x 40/3900) in an electrolytic aluminum plant producing 90 ten thousand tons annually, so that the carbon emission is effectively reduced.

As shown in fig. 7 and 8, the charcoal bowl forming apparatus 600 according to the second aspect of the embodiment of the present utility model includes a bottom plate 610, a left movable plate 620, a right movable plate 630, a front movable plate 640, and a rear movable plate 650.

Wherein the bottom plate 610 is horizontally disposed to be capable of expanding and contracting in a width direction thereof, and the bottom plate 610 is extended to form the bottom surface 510 of the charcoal bowl.

The left movable plate 620 and the right movable plate 630 are arranged in parallel and vertically at both ends of the bottom plate 610 in the length direction thereof; the sides of the left and right movable plates 620 and 630, which are far from each other, are used to form the left and right sides 520 and 540 of the charcoal bowl, respectively.

The front movable plate 640 and the rear movable plate 650 are respectively disposed at both sides of the bottom plate 610 in the width direction thereof, and the angles between the front movable plate 640 and the rear movable plate 650 and the bottom plate 610 are acute angles, so that the front movable plate 640 and the rear movable plate 650 are inclined inward at a certain angle with respect to the bottom plate 610; the sides of the front movable plate 640 and the rear movable plate 650, which are far from each other, are used to form the front side 530 and the rear side 550 of the charcoal bowl, respectively.

As shown in fig. 7, in some embodiments of the present utility model, the base plate 610 is of a telescopic structure, and the base plate 610 is telescopic in its width direction. The bottom plate 610 includes a fixed plate 611, a first slide plate 612, and a second slide plate 613; the first slide plate 612 and the second slide plate 613 are disposed on both sides of the fixed plate 611 in the width direction thereof; the first slide plate 612 is connected to the front movable plate 640, and the second slide plate 613 is connected to the rear movable plate 650; the fixing plate 611 has a hollow cavity structure, and the first slide plate 612 and the second slide plate 613 are each movable with respect to the fixing plate 611 to protrude from or retract into the cavity of the fixing plate 611. The front movable plate 640 and the rear movable plate 650 can be moved toward or away from each other by the movement of the first slide plate 612 and the second slide plate 613 with respect to the fixed plate 611, so as to facilitate demolding. In the present embodiment, the first slide plate 612 is integrally formed with the front movable plate 640, and the second slide plate 613 is integrally formed with the rear movable plate 650.

Further, as shown in fig. 9, the cavity portion of the fixed plate 611 accommodating the first sliding plate 612 is symmetrically provided with first guide grooves 6111 along two inner side walls of the length direction of the fixed plate 611, first positioning blocks 6112 extend in the first guide grooves 6111, and first positioning grooves 6113 are formed in the first positioning blocks 6112. As shown in fig. 10, the upper end surface of the first sliding plate 612 is symmetrically provided with a first supporting bar 6121 near the edge thereof, one side of the two first supporting bars 6121 far away from each other is outwards extended with a first guiding protrusion 6122 and a first positioning protrusion 6123, the first guiding protrusion 6122 and the first positioning protrusion 6123 are arranged in a staggered manner, the first positioning protrusion 6123 is arranged near one end of the joint of the first supporting bar 6121 and the first sliding plate 612, the first guiding protrusion 6122 is arranged at the other end, and the height of the first guiding protrusion 6122 from the upper end surface of the first sliding plate 612 is larger than the height of the first positioning protrusion 6123 from the upper end surface of the first sliding plate 612.

During the process that the first sliding plate 612 extends out of the cavity of the fixing plate 611, the first guide protrusion 6122 and the first positioning protrusion 6123 are embedded in the first guide groove 6111 and slide outwards along the first guide groove 6111, preventing the first sliding plate 612 from being separated from the fixing plate 611; when the first sliding plate 612 extends out of the fixed plate 611 and moves to a first predetermined position, the first positioning protrusion 6123 is inserted into the first positioning groove 6113, and at the same time, the first guiding protrusion 6122 is still embedded into the first guiding groove 6111, thereby realizing the positioning of the first sliding plate 612; during the process that the first slide plate 612 is immersed in the cavity of the fixing plate 611, the first positioning protrusion 6123 is separated from the first positioning groove 6113 into the first guide groove 6111, and slides inward along the first guide groove 6111 together with the first guide protrusion 6122.

The first predetermined position refers to a position where the lower end surface of the first slide plate 612 is flush with the outer bottom surface of the fixed plate 611.

Further, as shown in fig. 9, the cavity portion of the fixed plate 611 accommodating the second sliding plate 613 is symmetrically provided with second guiding grooves 6114 along two inner side walls of the length direction of the fixed plate 611, a second positioning block 6115 extends in the second guiding grooves 6114, and a second positioning groove 6116 is provided on the second positioning block 6115. As shown in fig. 11, the upper end face of the second sliding plate 613 is symmetrically provided with second supporting bars 6131 near the edge thereof, the second guiding protrusions 6132 and second positioning protrusions 6133 are outwards extended from the sides of the two second supporting bars 6131 far away from each other, the second guiding protrusions 6132 and the second positioning protrusions 6133 are arranged in a staggered manner, the second positioning protrusions 6133 are arranged near one end of the joint of the second supporting bars 6131 and the second sliding plate 613, the second guiding protrusions 6132 are arranged at the other end, and the height of the second guiding protrusions 6132 from the upper end face of the second sliding plate 613 is larger than the height of the second positioning protrusions 6133 from the upper end face of the second sliding plate 613.

During the process that the second sliding plate 613 extends out of the cavity of the fixing plate 611, the second guide protrusion 6132 and the second positioning protrusion 6133 are embedded in the second guide groove 6114 and slide outward along the second guide groove 6114, preventing the second sliding plate 613 from being separated from the fixing plate 611; when the second sliding plate 613 extends out of the fixed plate 611 and moves to a second predetermined position, the second positioning protrusion 6133 is inserted into the second positioning groove 6116 while the second guide protrusion 6132 is still inserted into the second guide groove 6114, thereby achieving positioning of the second sliding plate 613; during the process that the second sliding plate 613 is immersed in the cavity of the fixing plate 611, the second positioning protrusion 6133 is separated from the second positioning groove 6116 into the second guiding groove 6114, and slides inward along the second guiding groove 6114 together with the second guiding protrusion 6132.

The second predetermined position refers to a position where the lower end surface of the second slide plate 613 is flush with the outer bottom surface of the fixed plate 611.

In the present embodiment, when the first sliding plate 612 and the second sliding plate 613 extend out of the fixed plate 611 and move to the first predetermined position and the second predetermined position, respectively, the lower end surfaces of the first sliding plate 612 and the second sliding plate 613 are flush with the outer bottom surface of the fixed plate 611, and one side surfaces of the first sliding plate 612 and the second sliding plate 613, which are close to the fixed plate 611, are tightly attached to the fixed plate 611, so that no gap exists between the lower end surfaces of the first sliding plate 612 and the second sliding plate 613 and the outer bottom surface of the fixed plate 611, respectively. The bottom plate 610 forms the bottom surface 510 of the charcoal bowl in this state such that the bottom surface 510 of the charcoal bowl is flat.

As shown in fig. 8, in some embodiments of the present utility model, the left movable plate 620 and the right movable plate 630 are arranged in parallel and vertically at both ends of the fixed plate 611 in the length direction thereof, and one surfaces of the left movable plate 620 and the right movable plate 630, which are close to each other, are closely attached to the outer side wall of the fixed plate 611, such that the bottom surfaces of the left movable plate 620 and the right movable plate 630 are flush with the outer bottom surface of the fixed plate 611 without gaps; one side of the left movable plate 620 and the right movable plate 630, which are close to each other, are fixedly connected with the outer top surface of the fixed plate 611 through an L-shaped support plate.

As shown in fig. 7 and 8, in some embodiments of the present utility model, the carbon bowl molding apparatus 600 further includes an upper cover plate 660 horizontally disposed at upper ends of the left and right movable plates 620 and 630 to enclose a cavity defined by the bottom plate 610, the left and right movable plates 620 and 630, the front and rear movable plates 640 and 650, preventing paste or the like added when molding the carbon bowl from falling into the cavity.

As shown in fig. 7 and 8, in some embodiments of the present utility model, the charcoal bowl forming apparatus 600 further includes a driving assembly 670, and the driving assembly 670 is used to drive the front movable plate 640 and the rear movable plate 650 to move toward or away from each other, that is, the first sliding plate 612 and the second sliding plate 613 move with respect to the fixed plate 611.

Further, the driving assembly 670 includes a hydraulic cylinder 671 and an extension rod 672, the extension rod 672 is vertically disposed between the left movable plate 620 and the right movable plate 630, and a piston rod of the hydraulic cylinder 671 passes through the upper cover plate 660 to be connected to an upper end of the extension rod 672 to move the extension rod 672 up and down. The lower end of the extension rod 672 is movably connected with a first link 673 and a second link 674, the other end of the first link 673 is movably connected with the front movable plate 640, and the other end of the second link 674 is movably connected with the rear movable plate 650. In the present application, a first short shaft 675 may be disposed at both sides of the lower end of the extension rod 672, a second short shaft 676 may be disposed at the corresponding positions of the front movable plate 640 and the rear movable plate 650, and both ends of the first link 673 and the second link 674 may be pivotally connected to the first short shaft 675 and the second short shaft 676, respectively. The front movable plate 640 and the rear movable plate 650 are moved toward or away from each other by the first link 673 and the second link 674 during the movement of the extension lever 672.

It should be noted that, after the carbon bowl is formed, the hydraulic cylinder 671 drives the extension rod 672 to move upwards, the front movable plate 640 and the rear movable plate 650 are close to each other, so that the first sliding plate 612 and the second sliding plate 613 gradually retract into the cavity of the fixed plate 611, the width of the bottom plate 610 is reduced, so that the bottom plate 610 can be separated from the opening of the carbon bowl (because the included angle between the front side 530 and the rear side 550 of the carbon bowl and the bottom surface 510 is an acute angle, the size of the opening of the carbon bowl is smaller than that of the bottom surface 510, and the carbon bowl is in a structure with a small top and a large bottom as a whole); the extension lever 672 continues to move upward, which drives the front movable plate 640, the rear movable plate 650, the left movable plate 620, the right movable plate 630, and the bottom plate 610 to release.

While the preferred embodiment of the present application has been described in detail, the present application is not limited to the above embodiment, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present application, and these equivalent modifications or substitutions are included in the scope of the present application as defined in the appended claims.

Claims (9)

1. A novel anode carbon block set, comprising:

The anode steel claw (300) comprises a plurality of independent claw heads (310), wherein a plurality of claw heads (310) are horizontally arranged at the lower end of the anode steel claw (300), and an expansion gap (320) is reserved between two adjacent claw heads (310);

A carbon bowl is arranged on one side of the carbon block (500) facing the anode steel claw (300); the carbon bowl comprises a bottom surface (510), a left side surface (520), a front side surface (530), a right side surface (540) and a rear side surface (550); the left side surface (520) and the right side surface (540) are parallel and are respectively arranged at two sides of the bottom surface (510) along the length direction of the bottom surface, and the left side surface (520) and the right side surface (540) are perpendicular to the bottom surface (510); the front side surface (530) and the rear side surface (550) are respectively arranged at two sides of the bottom surface (510) along the width direction, and the included angles of the front side surface (530) and the rear side surface (550) and the bottom surface (510) are acute angles, so that the front side surface (530) and the rear side surface (550) incline inwards relative to the bottom surface (510); a plurality of the claw heads (310) are inserted into the carbon bowl and are bonded with the carbon bowl by casting phosphorus pig iron.

2. The novel anode carbon block set of claim 1 wherein the front side (530) and the back side (550) are angled from the bottom surface (510) in the range of 80 ° to 88 °.

3. The novel anode carbon block group according to claim 1, wherein the anode steel claw (300) is cut from a steel plate; the anode steel claw (300) comprises an isosceles trapezoid part (330) and a rectangular part (340); the isosceles trapezoid part (330) is arranged at the upper end of the rectangular part (340); the length of the long base of the isosceles trapezoid part (330) is smaller than the length of the rectangular part (340); the expansion joint (320) is arranged on the rectangular part (340), and the height of the expansion joint (320) is equal to the height of the rectangular part (340).

4. A new anode carbon block group according to claim 3, wherein the height of the isosceles trapezoid part (330) is 3 to 4 times the height of the rectangular part (340).

5. The novel anode carbon block set of claim 1 wherein the height of the claw head (310) is greater than or equal to the depth of the carbon bowl.

6. The charcoal bowl forming device is characterized by comprising a bottom plate (610), a left movable plate (620), a right movable plate (630), a front movable plate (640) and a rear movable plate (650);

The bottom plate (610) is horizontally arranged and can stretch and retract along the width direction of the bottom plate, and the bottom plate (610) stretches to form the bottom surface of the carbon bowl;

The left movable plate (620) and the right movable plate (630) are arranged in parallel and vertically at two ends of the bottom plate (610) along the length direction thereof; one side of the left movable plate (620) and one side of the right movable plate (630) which are far away from each other are respectively used for forming the left side surface and the right side surface of the carbon bowl;

The front movable plate (640) and the rear movable plate (650) are respectively arranged at two sides of the bottom plate (610) along the width direction of the bottom plate, and the included angles of the front movable plate (640) and the rear movable plate (650) and the bottom plate (610) are acute angles, so that the front movable plate (640) and the rear movable plate (650) incline inwards relative to the bottom plate (610); one side of the front movable plate (640) and the rear movable plate (650) which are far away from each other are respectively used for forming the front side surface and the rear side surface of the carbon bowl.

7. The charcoal bowl forming apparatus according to claim 6, wherein the bottom plate (610) includes a fixed plate (611), a first sliding plate (612) and a second sliding plate (613); the first slide plate (612) and the second slide plate (613) are disposed on both sides of the fixed plate (611) in the width direction thereof; the first sliding plate (612) is connected with the front movable plate (640), and the second sliding plate (613) is connected with the rear movable plate (650); the fixed plate (611) has a hollow cavity structure, and the first sliding plate (612) and the second sliding plate (613) are both movable relative to the fixed plate (611) to extend out of or retract into the cavity of the fixed plate (611).

8. The charcoal bowl forming device according to claim 7, wherein the cavity portion of the fixed plate (611) for accommodating the first sliding plate (612) is symmetrically provided with first guide grooves (6111) along two inner side walls of the fixed plate (611) in a length direction, first positioning blocks (6112) extend into the first guide grooves (6111), and first positioning grooves (6113) are formed in the first positioning blocks (6112); the upper end face of the first sliding plate (612) is provided with first supporting strips (6121) at positions close to the edges of the first sliding plate, one sides, away from each other, of the first supporting strips (6121) are outwards extended with first guide protrusions (6122) and first positioning protrusions (6123), the first positioning protrusions (6123) are arranged at one ends close to the connecting positions of the first supporting strips (6121) and the first sliding plate (612), the first guide protrusions (6122) are arranged at the other ends, and the height of the first guide protrusions (6122) from the upper end face of the first sliding plate (612) is larger than that of the first positioning protrusions (6123) from the upper end face of the first sliding plate (612).

9. The charcoal bowl forming device according to claim 7, wherein the cavity portion of the fixed plate (611) for accommodating the second sliding plate (613) is symmetrically provided with second guide grooves (6114) along two inner side walls of the fixed plate (611) in the length direction, a second positioning block (6115) extends in the second guide grooves (6114), and a second positioning groove (6116) is formed in the second positioning block (6115); the upper end face of second sliding plate (613) is close to the position symmetry of its edge and is provided with second support bar (6131), two the one side that second support bar (6131) kept away from each other all outwards extends has second direction protruding (6132) and second location protruding (6133), second location protruding (6133) are being close to second support bar (6131) with the one end setting of junction of second sliding plate (613), second direction protruding (6132) are at the other end setting, second direction protruding (6132) are greater than with the height of the up end of second sliding plate (613) of second direction protruding (6132) is with the height of the up end of second sliding plate (613).