CN210247080U

CN210247080U - Electrode cylinder

Info

Publication number: CN210247080U
Application number: CN201921251430.5U
Authority: CN
Inventors: Lianquan Wu; 吴联权; Xiaohui Sun; 孙晓晖; Peiwu Li; 李培武; Longjun Ran; 冉隆军; Yaowu Zhang; 张耀武; Chunfeng Liu; 刘春锋
Original assignee: Yangjiang Yichuan Metal Technology Co ltd
Current assignee: Yangjiang Yichuan Metal Technology Co ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-04-03
Anticipated expiration: 2029-08-02

Abstract

An electrode cylinder comprises a cylindrical cylinder body with an upper opening and a lower opening, wherein a plurality of rib plates are uniformly arranged on the inner surface of the cylinder body along the radial direction, the rib plates extend towards the central axis direction of the cylinder body, one ends of the rib plates are flush with the cylinder body, the other ends of the rib plates protrude out of the cylinder body, a row of a plurality of heat conduction holes are vertically arranged on the rib plates, the ratio of the diameter of each heat conduction hole to the width of the rib plate is 0.45-0.60, the ratio of the hole distance of the adjacent heat conduction holes to the diameter of the heat conduction holes is 1.6-1.65, and the distance from the heat conduction hole at the topmost end to the top end of the rib plate and the distance from the heat conduction hole at. The heat conducting holes in the rib plates are reasonably arranged, so that the electrode sintering quality is better, the strength is higher, and the problems of electrode suspension before electrode sintering, electrode turning and block falling, electrode roasting over-slow, electrode soft breaking, hard breaking and the like can be effectively solved.

Description

Electrode cylinder

Technical Field

The utility model relates to a hot stove part in ore deposit, in particular to electrode cylinder.

Background

The electrode cylinder is a device applied to the submerged arc furnace, and the inner rib plate of the electrode cylinder plays a role in electric conduction and tensile strength in the sintering period of the self-baking electrode. The main characteristics are as follows: firstly, sintering the electrode paste into an electrode, melting, volatilizing and forming the electrode paste by means of resistance heat of the rib plate, and finally conducting electricity to normally work when the electrode paste is sintered into the electrode. Secondly, the electrode paste before sintering into the electrode has no strength, which is to bond and extrude the circular holes on the rib plates mutually, and the tensile strength of the rib plates is added to connect the electrode paste and the upper half part of the electrode without breaking. Thirdly, the sintering speed of the electrode is fast and slow, the strength is closely related to the welding quality of the electrode cylinder and the rib plate, the number of holes punched on the rib plate and the aperture size. The heat conduction holes in the rib plate of the conventional electrode cylinder are unreasonable in arrangement, and the compactness, the aperture size and the like of the conventional electrode cylinder are unreasonable, so that the electrode is slowly roasted, the electrode strength is low, and the electrode failure rate is high.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an electrode tube, the heat conduction hole sets up rationally on its gusset makes electrode sintering quality better, and intensity is higher, can effectively solve electrode sintering front overhang paste, electrode turn around and fall the piece, and the electrode calcination is slow, and the electrode is soft disconnected and the emergence of accidents such as hard disconnected, can effectively reduce the fault rate of electrode.

The utility model provides an electrode cylinder, including being cylindrical and upper and lower open barrel, the barrel internal surface radially evenly is provided with many gussets, the gusset extends to the center pin direction of barrel, the one end of gusset with the barrel parallel and level, the other end protrusion of gusset in the barrel, vertically on the gusset be provided with one row of a plurality of heat conduction holes, the diameter of heat conduction hole with the ratio of gusset width is between 0.45-0.60, and is adjacent the hole pitch of heat conduction hole with the ratio of heat conduction hole diameter is between 1.6-1.65, and the distance of heat conduction hole to the gusset top and the distance of heat conduction hole to the gusset bottom of least are all less than the heat conduction hole diameter.

Preferably, the width of the rib plate is 270-300mm, the diameter of the heat conduction hole is 140-160mm, and the pitch between adjacent heat conduction holes is 235-255 mm.

Preferably, the diameter of the heat conduction hole is 150mm, the width of the rib plate is 285mm, and the pitch of the heat conduction hole is 245 mm.

Preferably, the length of the cylinder body is 1150-.

Preferably, one end of the rib plate protrudes out of the cylinder body by 250mm, and the length of the cylinder body is 1270 mm.

Preferably, the centers of the heat conduction holes on the same rib plate are on the same straight line, and the heat conduction holes are vertically and equally spaced on the rib plate.

Preferably, the heat conduction hole is located at a side close to the cylinder.

Preferably, one end of the cylinder body which is flush with the rib plate is provided with a circle of connecting ring, the diameter of the connecting ring is smaller than that of the cylinder body, one side of the protruding part of the rib plate, which is close to the cylinder body, is provided with a clamping opening matched with the connecting ring, and the clamping opening part is positioned in the cylinder body.

Preferably, one end of the connecting ring is located in the cylinder body, and the other end of the connecting ring protrudes out of the cylinder body.

Preferably, the rib plates are 8

After the technical scheme is adopted, the utility model discloses following beneficial effect has:

the utility model provides an electrode cylinder, the heat conduction hole on its gusset sets up rationally for electrode sintering quality is better, and intensity is higher, can effectively solve electrode sintering front overhang paste, electrode turn around and fall the piece, and the electrode calcination is too slow, and the emergence of accidents such as electrode soft break and hard break effectively reduces the fault rate of electrode.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent in light of the detailed description of the preferred embodiments of the present invention as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is an overall structure diagram of an electrode cartridge according to a preferred embodiment of the present invention;

FIG. 2 is a bottom view of the preferred embodiment of the electrode cartridge of the present invention;

FIG. 3 is a cross-sectional view of an electrode cartridge in accordance with a preferred embodiment of the present invention;

FIG. 4 is an enlarged view of a preferred embodiment of the present invention;

FIG. 5 is a schematic view of the connection of the electrode cartridge according to the preferred embodiment of the present invention;

fig. 6 is a structural view of a rib plate according to a preferred embodiment of the present invention.

Reference numerals: 1 cylinder, 2 rib plates, 21 heat conducting holes, 22 clamping ports and 3 connecting rings.

Detailed Description

The technical solution of the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.

Referring to fig. 1-6, the utility model provides an electrode cylinder, electrode cylinder are located the ore deposit stove, and series connection is in the same place between a plurality of electrode cylinders, in the metal smelting for sinter into the electrode with its inside electrode paste, this electrode cylinder includes columniform barrel 1, 1 internal surface of barrel radially evenly is provided with many gusset 2, and the contained angle is certain between many gusset 2 like this, can be with the even a plurality of parts that divide into in barrel 1 area. The rib plate 2 arranged in this way can enable the heating to be more uniform and the heating speed to be higher. Rib plate 2 is vertical setting and perpendicular to the tangent line of barrel 1 internal surface, like this rib plate 2 is the center pin form of extending to barrel 1 from barrel 1 internal surface, separates barrel 1 inner space for a plurality of regions between the rib plate 2 evenly, can guarantee that being heated of electrode paste is even. One end of the rib plate 2 is flush with the cylinder body 1, and the other end of the rib plate 2 protrudes out of the cylinder body 1, so that the length of the rib plate 2 can be increased, the protruding rib plates 2 can be in contact with each other when the electrode cylinders are connected with each other, the connection part of the rib plates 2 is free from disconnection, and the heating uniformity is ensured. A row of heat conduction holes 21 are vertically arranged on the rib plate 2, the ratio of the diameter of each heat conduction hole 21 to the width of the rib plate 2 is 0.45-0.60, the ratio of the distance between every two adjacent heat conduction holes 21 to the diameter of each heat conduction hole 21 is 0.6-0.65, and the distance from the heat conduction hole 21 at the topmost end to the top end of the rib plate 2 and the distance from the heat conduction hole 21 at the lowest end to the bottom end of the rib plate 2 are smaller than the diameter of each heat conduction hole 21. In the smelting process, the electrode paste is sintered into an electrode, the electrode paste is melted, volatilized and formed by the resistance heat high temperature of the rib plate 2, and the electrode can be conducted to normally work when finally sintered into the electrode. The electrode paste before being sintered into the electrode has no strength, and is in mutual bonding and extrusion communication by the heat conduction holes 21 on the rib plate 2, the heat conduction holes 21 have the function of increasing the fluidity and the intercommunity of the electrode paste when the electrode is roasted, so that the roasting component compactness is uniform, the sintering progress is accelerated, and the roasting quality of the electrode is ensured, thereby enhancing the tensile strength and the controllability of the electrode, and the rib plate 2 is added to improve the tensile strength to connect the electrode paste and the upper half part of the electrode without fracture. Therefore, the sintering speed of the electrode is high and low, the strength is closely related to the welding quality of the electrode cylinder and the rib plate 2, and the number of the heat conduction holes 21 on the rib plate 2 and the aperture size. The ratio of the diameter of the heat conduction hole 21 to the width of the rib plate 2 is 0.45-0.60, namely the diameter of the heat conduction hole 21 basically occupies the general width of the rib plate 2. The ratio of the pitch of the adjacent heat conduction holes 21 to the diameter of the heat conduction holes 21 is 1.6-1.65. The distance from the heat conduction hole 21 at the top end to the top end of the rib plate 2 and the distance from the heat conduction hole 21 at the lowest end to the bottom end of the rib plate 2 are both smaller than the diameter of the heat conduction hole 21, namely, the heat conduction holes 21 are distributed on the rib plate 2 in a row, and the area of the rib plate 2 is maximally used due to the distribution of the heat conduction holes 21. The ratio of the diameter of the heat conduction hole 21 to the width of the rib plate 2, and the ratio of the hole distance of the adjacent heat conduction holes 21 to the diameter of the heat conduction hole 21 are limited, namely the compactness of the heat conduction hole 21 and the proportion of the area of the heat conduction hole 21 to the total area of the rib plate 2 are limited in a certain range. In the range, the contact bonding surface of the rib plate 2 and the electrode paste is larger, the roasting speed is higher, the electrode sintering quality is better, the strength is higher, and the accidents of electrode suspension before electrode sintering, electrode turning and chipping, electrode roasting over-slow, electrode soft breaking, hard breaking and the like can be effectively solved.

In the preferred embodiment, the rib plates 2 are 8, so that the included angle between the adjacent rib plates 2 is 45 degrees, the rib plates 2 divide the interior of the cylinder 1 into 8 uniform areas, the 8 rib plates 2 are reasonable in quantity, the uniformity and the rapidness of heating can be ensured, and the sintered and molded electrode has good strength and is not easy to break.

In a preferred embodiment, the centers of the heat conduction holes 21 are on a straight line, and the heat conduction holes 21 are positioned on the rib plate 2 at equal intervals from top to bottom. That is, the heat conduction holes 21 are not only arranged in a vertical row on the rib plate 2, but also the distances between the heat conduction holes 21 are equal, so that the heat conduction holes 21 are uniformly distributed on the rib plate 2, and the uniformity of heating is ensured. In a further preferred embodiment, the heat conduction hole 21 is located near one side of the cylinder 1. Namely, the heat conduction hole 21 is positioned at one side deviated to the cylinder body 1, and the distance from the circle center of the heat conduction hole 21 to the outer edge of the rib plate 2 is greater than the distance from the heat conduction hole to the cylinder body 1, so that in the sintering process, the electrode is bonded and extruded to one side close to the cylinder body 1 as far as possible to be communicated, and the electrode is not easy to break.

In a preferred embodiment, the width of the rib plate 2 is 270-300mm, the diameter of the heat-conducting holes 21 is 140-160mm, and the pitch between the heat-conducting holes 21 is 235-255 mm. In a further preferred embodiment, the diameter of the heat conduction holes 21 is 150mm, the width of the rib plate 2 is 285mm, and the pitch between the heat conduction holes 21 is 245 mm. The width of the rib plate 2, the diameter of the heat conduction hole 21 and the distance between the heat conduction holes 21 within the range are optimal, and the requirement of the production capacity of the large submerged arc furnace can be met.

In a preferred embodiment, the length of the cylinder 1 is 1150-1350mm, and one end of the rib plate 2 protrudes from the cylinder 1230-280 mm. In a further preferred embodiment, one end of the rib plate 2 protrudes 1250mm from the cylinder body, and the length of the cylinder body 1 is 1270 mm. Namely, the protruded part can accommodate a heat conduction hole 21 (the diameter of one heat conduction hole 21 is 140 mm and 160mm, the distance between the heat conduction holes 21 is 85-105mm), when the electrode barrel is connected, the protruded rib plates 2 can extend to the lower electrode barrel and contact the rib plates 2 in the lower electrode barrel, the length of the protruded part can ensure good contact in the range, and a certain clamping function can be realized between the protruded part and the electrode barrel.

In a preferred embodiment, one end of the cylinder body 1 which is flush with the rib plate 2 is provided with a circle of connecting ring 3, the diameter of the connecting ring 3 is smaller than that of the cylinder body 1, one side of the protruding part of the rib plate 2, which is close to the cylinder body 1, is provided with a clamping opening 22 which is matched with the connecting ring 3, and part of the clamping opening 22 is positioned in the cylinder body 1. Thus, a gap is formed between the cylinder body 1 and the rib plate 2 at the position where the rib plate 2 protrudes. When the electrode cylinders are connected, the connecting ring 3 of the lower electrode cylinder is sleeved outside the clamping opening 22 of the rib plate 2 of the upper electrode cylinder and is inserted into the gaps between the cylinder body 1 and the rib plate 2 of the upper electrode cylinder, so that the upper electrode cylinder and the lower electrode cylinder are clamped and fixed. In a further preferred embodiment, one end of the connecting ring 3 is located in the cylinder 1, and the other end protrudes out of the cylinder 1, that is, a part of the connecting ring 3 is fixedly connected in the cylinder 1, the fixing mode can adopt a bolt, welding or the like, and the other part protrudes out of the cylinder 1, so that the clamping opening 22 is conveniently inserted.

Verification example: the following data is a numerical table for measuring the change in failure rate of the fired electrode in an actual test by changing the numerical values of the width of the rib plate, the diameter of the heat transfer hole, and the pitch of the holes. Wherein, the ratio 1 is the ratio of the diameter of the heat conduction hole to the width of the rib plate, and the ratio 2 is the ratio of the pitch of the adjacent heat conduction holes to the diameter of the heat conduction hole.

The utility model provides an electrode cylinder, the heat conduction hole on its gusset sets up rationally, and its closely knit degree and hole site aperture are reasonable promptly for electrode sintering quality is better, and intensity is higher, can effectively solve electrode sintering front overhang paste, electrode turn around and fall the piece, and the electrode calcination is too slow, and the electrode is soft disconnected and the emergence of accidents such as hard disconnected. The rib plate is provided with a clamping opening, the barrel body is provided with a connecting ring, the upper electrode barrel and the lower electrode barrel can be clamped and fixed, and subsequent further connection and fixation are facilitated.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The electrode cylinder is characterized by comprising a cylindrical cylinder body with an upper opening and a lower opening, wherein a plurality of rib plates are uniformly arranged on the inner surface of the cylinder body along the radial direction, the rib plates extend towards the central shaft direction of the cylinder body, one ends of the rib plates are flush with the cylinder body, the other ends of the rib plates protrude out of the cylinder body, a row of a plurality of heat conduction holes are vertically arranged on the rib plates, the ratio of the diameter of each heat conduction hole to the width of the rib plate is 0.45-0.60, the ratio of the hole distance of the adjacent heat conduction holes to the diameter of the heat conduction holes is 1.6-1.65, and the distance from the heat conduction hole at the topmost end to the top end of the rib plate and the distance from the heat conduction hole at the.

2. The electrode cartridge as claimed in claim 1, wherein the width of the rib plate is 270-300mm, the diameter of the heat-conducting hole is 140-160mm, and the pitch between adjacent heat-conducting holes is 235-255 mm.

3. The electrode cartridge as claimed in claim 2, wherein the diameter of the heat conduction hole is 150mm, the width of the rib plate is 285mm, and the pitch between adjacent heat conduction holes is 245 mm.

4. The electrode cartridge as claimed in claim 2, wherein the length of the cartridge body is 1150-.

5. The electrode cylinder as claimed in claim 4, wherein one end of the rib plate protrudes 250mm from the cylinder body, and the length of the cylinder body is 1270 mm.

6. The electrode cylinder as claimed in claim 1, wherein the centers of the heat conduction holes of the same rib plate are on the same straight line, and the heat conduction holes are positioned on the rib plate at equal intervals from top to bottom.

7. The electrode cartridge of claim 6, wherein the heat-conducting aperture is located proximate to a side of the cartridge body.

8. The electrode cylinder according to claim 1, wherein a circle of connecting ring is arranged at one end of the cylinder body which is flush with the rib plates, the diameter of the connecting ring is smaller than that of the cylinder body, a clamping opening matched with the connecting ring is formed in one side, close to the cylinder body, of the protruding portion of the rib plates, and the clamping opening portion is located in the cylinder body.

9. The electrode cartridge of claim 8, wherein one end of the coupling ring is located within the cartridge body and the other end protrudes from the cartridge body.

10. The electrode cartridge of claim 1, wherein the number of webs is 8.