CN212747338U

CN212747338U - Graphitization furnace convenient for replacing electrode bar

Info

Publication number: CN212747338U
Application number: CN202020988132.0U
Authority: CN
Inventors: 周尚银; 都强
Original assignee: Chengdu Chengxin Technology Co ltd
Current assignee: Chengdu Chengxin Technology Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-03-19
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a graphitizing furnace convenient for replacing electrode bars, which comprises a furnace body and a crucible cover, wherein the crucible cover is positioned at the upper end of the furnace body and can be detachably connected, a graphitizing region is arranged in the furnace body, the graphitizing region consists of a fixing frame, bolt holes, refractory bricks, a positioning column, a fastening bolt, a blocking frame and refractory brick fixing holes, a plurality of groups of refractory brick fixing holes are arranged on the surface of the fixing frame, the refractory bricks are placed in the refractory brick fixing holes, a threaded hole and a through hole are arranged on one side surface of the fixing frame, the blocking frame is detachably connected on one side of the fixing frame, the fastening bolt and the positioning column are movably connected on one side of the blocking frame, the fastening bolt is in threaded connection with the inside of the threaded hole, the positioning column is inserted, thereby can be fast convenient change the electrode bar and can dismantle, change local resistant firebrick according to the demand.

Description

Graphitization furnace convenient for replacing electrode bar

Technical Field

The utility model relates to a graphitizing furnace technical field specifically is a graphitizing furnace convenient to change electrode bar.

Background

The graphitizing furnace is mainly used for high-temperature treatment of graphite powder purification and the like, has the service temperature of 2800 ℃, high production efficiency, energy and electricity conservation, is provided with an online temperature measuring and controlling system, can monitor the temperature in the furnace in real time and carry out automatic adjustment, and has the prototype that a conductive furnace core is formed by filling carbon blanks or granular materials into a long furnace body constructed by refractory materials, and the periphery of the furnace core is provided with heat insulation materials. When the circuit is connected, the furnace core heats up due to the action of resistance, so that the carbon blank is converted into artificial graphite by high-temperature heat treatment at the temperature of 2200-2800 ℃.

However, in the conventional graphitizing furnace, the refractory bricks in the graphitized region are bonded and stacked by concrete cement, and the electrode rod is fixed in the refractory bricks by the concrete cement, if the electrode rod is damaged, the refractory bricks in the region need to be removed and replaced, and since the refractory bricks are bonded and stacked by the concrete cement, the process is complicated, and the production is affected. Therefore, the graphitization furnace with the electrode rods convenient to replace is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a graphitizing furnace convenient to change electrode bar to it forms by the concrete cement bonding heap to propose the regional resistant firebrick of graphitization in the current graphitizing furnace in solving above-mentioned background art, and the electrode bar is fixed in resistant firebrick by concrete cement, if the electrode bar is bad, then need dismantle this regional resistant firebrick then change, and because resistant firebrick is formed by the concrete cement bonding heap, thereby cause the process complicated, influence the problem of production.

In order to achieve the above object, the utility model provides a following technical scheme: a graphitization furnace convenient for replacing an electrode bar comprises a furnace body and a crucible cover, wherein the crucible cover is positioned at the upper end of the furnace body and is detachably connected, a graphitization region is arranged in the furnace body and consists of a fixing frame, bolt holes, refractory bricks, a positioning column, a fastening bolt, a blocking frame and refractory brick fixing holes, a plurality of groups of refractory brick fixing holes are arranged on the surface of the fixing frame, the refractory bricks are placed in the refractory brick fixing holes, a threaded hole and a through hole are formed in the surface of one side of the fixing frame, the blocking frame is detachably connected to one side of the fixing frame, the fastening bolt and the positioning column are movably connected to one side of the blocking frame, the fastening bolt is in threaded connection in the threaded hole, the positioning column is inserted in the through hole, the bolt holes are formed in the surface of the outer, and the inner wall of the electrode bar mounting hole is fixedly connected with a fireproof sealing ring.

Preferably, the lower end face of the furnace body is welded with supporting legs, and the lower end surfaces of the supporting legs are provided with anti-skid lines.

Preferably, the fixed frame is detachably connected to the inner wall of the furnace body through bolts.

Preferably, the size of the blocking frame is larger than that of the refractory bricks.

Preferably, the fastening bolt and the positioning column are respectively provided with two groups.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a through being provided with the mount and keeping off the frame, thereby it connects inside the mount to make resistant firebrick to dismantle and connect inside the furnace body to be able to dismantle to be able to bear or endure firebrick, when needs are changed to the electrode bar, at first the position that damages according to the electrode bar demolish the fender frame with corresponding position, then take out corresponding resistant firebrick from the mount, change new electrode bar make the electrode bar insert in the electrode bar mounting hole, put into resistant firebrick fixed orifices again with resistant firebrick, at last will keep off in the frame reference column peg grafting in the through-hole, and the fastening is tied and is fixed in the screw hole, make resistant firebrick obtain fixed, thereby can be fast convenient change the electrode bar and can.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the graphitized region of the present invention;

fig. 3 is the schematic view of the electrode bar mounting structure of the present invention.

Fig. 4 is a schematic view of the overhead structure of the baffle frame of the present invention.

In the figure: 1. a furnace body; 2. a crucible cover; 3. a graphitized region; 4. supporting legs; 5. a fixed mount; 6. bolt holes; 7. a refractory brick; 8. a blocking frame; 9. a refractory seal ring; 10. an electrode rod; 11. an electrode bar mounting hole; 12. a positioning column; 13. fastening bolts; 14. and (5) fixing holes for refractory bricks.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a graphitization furnace convenient for replacing an electrode rod comprises a furnace body 1 and a crucible cover 2, wherein the crucible cover 2 is positioned at the upper end of the furnace body 1 and is detachably connected, a graphitization area 3 is arranged in the furnace body 1, the graphitization area 3 consists of a fixing frame 5, bolt holes 6, refractory bricks 7, positioning columns 12, fastening bolts 13, a blocking frame 8 and refractory brick fixing holes 14, a plurality of groups of refractory brick fixing holes 14 are arranged on the surface of the fixing frame 5, the refractory bricks 7 are placed in the refractory brick fixing holes 14, threaded holes and through holes are formed in the surface of one side of the fixing frame 5, the blocking frame 8 is detachably connected to one side of the fixing frame 5, the fastening bolts 13 and the positioning columns 12 are movably connected to one side of the blocking frame 8, the fastening bolts 13 are in threaded holes, the positioning columns 12 are inserted in the through holes, an electrode bar mounting hole 11 is formed in the outer side surface of the refractory brick 7, an electrode bar 10 is mounted inside the electrode bar mounting hole 11, and a refractory sealing ring 9 is fixedly connected to the inner wall of the electrode bar mounting hole 11.

The utility model discloses a graphitizing furnace, including furnace body 1, supporting leg 4, bolt, fixing frame 8, fixing frame 12, fixing bolt, supporting column 13, reference column 12, support leg 4, support leg 1, support leg 4, and the bolt is connected in 1 inner wall of furnace body, and the bolt is dismantled to be connected in 1 inner wall of furnace body, and the side makes the regional 3 of graphitization resistant firebrick 7 of firebrick can be fixed inside furnace body 1, the size that keeps off frame 8 is greater than resistant firebrick 7's size, is convenient for keep off frame 8 and fixes resistant firebrick 7 inside fixing frame 5, fastening.

Specifically, during the use, when needing to change electrode bar 10, at first according to the position that electrode bar 10 damaged with the fender frame 8 of corresponding position demolish, then take out corresponding resistant firebrick 7 from mount 5, change up new electrode bar 10 and make electrode bar 10 insert in electrode bar mounting hole 11, put resistant firebrick 7 into to resistant firebrick 7 fixed orifices 14 again, will keep off at last in the frame reference column 12 pegs graft in the through-hole, and fastening bolt 13 fixes in the screw hole, make resistant firebrick 7 obtain fixedly, thereby can be fast convenient change electrode bar 10 and can dismantle as required, change local resistant firebrick 7.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a graphitizing furnace convenient to change electrode bar, includes furnace body (1) and crucible cover (2), crucible cover (2) are located furnace body (1) upper end and can dismantle the connection, its characterized in that: the furnace body (1) is internally provided with a graphitized region (3), the graphitized region (3) consists of a fixing frame (5), bolt holes (6), refractory bricks (7), positioning columns (12), fastening bolts (13), a blocking frame (8) and refractory brick fixing holes (14), the surface of the fixing frame (5) is provided with a plurality of groups of refractory brick fixing holes (14), the refractory bricks (7) are placed in the refractory brick fixing holes (14), one side surface of the fixing frame (5) is provided with threaded holes and through holes, one side of the fixing frame (5) is detachably connected with the blocking frame (8), one side of the blocking frame (8) is movably connected with the fastening bolts (13) and the positioning columns (12), the fastening bolts (13) are in threaded connection with the inside of the threaded holes, the positioning columns (12) are inserted in the through holes, the bolt holes (6) are, electrode bar mounting holes (11) are formed in the outer side surfaces of the refractory bricks (7), electrode bars (10) are mounted inside the electrode bar mounting holes (11), and refractory sealing rings (9) are fixedly connected to the inner walls of the electrode bar mounting holes (11).

2. The graphitization furnace with the electrode rods convenient to replace as claimed in claim 1, wherein: the furnace body (1) lower terminal surface welding has supporting leg (4), supporting leg (4) lower extreme surface is provided with anti-skidding line.

3. The graphitization furnace with the electrode rods convenient to replace as claimed in claim 1, wherein: the fixed frame (5) is detachably connected to the inner wall of the furnace body (1) through bolts.

4. The graphitization furnace with the electrode rods convenient to replace as claimed in claim 1, wherein: the size of the blocking frame (8) is larger than that of the refractory bricks (7).

5. The graphitization furnace with the electrode rods convenient to replace as claimed in claim 1, wherein: the fastening bolt (13) and the positioning column (12) are respectively provided with two groups.