CN212367545U

CN212367545U - Electrode protection device

Info

Publication number: CN212367545U
Application number: CN202020944701.1U
Authority: CN
Inventors: 张同剑; 郑闯; 王连光; 翟颖; 徐广林; 郭玉芳
Original assignee: Zibo Aijiexu Corundum Material Co ltd
Current assignee: Zibo Aijiexu Corundum Material Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-15
Anticipated expiration: 2030-05-28

Abstract

The utility model belongs to the technical field of electric smelting brick manufacturing, and relates to an electrode protection device, which comprises an electrode group, a fixed connecting body and a stand column, wherein the fixed connecting body comprises a connecting ring and a connecting block, the connecting ring is connected with the connecting block into a whole, the connecting ring is sleeved at the periphery of one end of the electrode group, the connecting ring is in interference fit with the electrode group, the periphery of the electrode group is sleeved with a protective sleeve, one end of the protective sleeve is sleeved at the periphery of the connecting ring, the protective sleeve is in interference fit; stand one side is fixed with the support frame, support frame one end and stand fixed connection, and the other end is equipped with the semicircle ring, and the semicircle ring internal diameter cooperatees with the protective sheath external diameter, and the protective sheath runs through the semicircle ring to protruding ring is placed on the semicircle ring top, connecting block and stand fixed connection. The utility model discloses simple structure, convenient to use can reduce the consumption of electrode, reduces extravagantly, reduction in production cost.

Description

Electrode protection device

Technical Field

The utility model relates to an electrode protection device belongs to electric smelting brick and makes technical field.

Background

The production of AZS electric smelting brick (electric smelting zirconia-corundum brick) is a process of casting feed liquid which is made by melting various required raw materials in a three-phase arc furnace adopting graphite electrodes into a sand mould with a specific shape and size, and processing the sand mould into the required size and shape by using a diamond grinding tool after heat preservation and annealing. During the melting process, electric power is transmitted to the raw materials through the conductive characteristic of the graphite electrode, the graphite electrode is cast after being melted to reach a certain temperature, the graphite electrode is continuously consumed and thinned under the influence of various factors such as oxidation and dust removing wind, and particularly, the electrode is locally seriously corroded due to the influence of the dust removing wind, so that the electrode is broken too early, waste is caused, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the electrode protection device is simple in structure and convenient to use, consumption of electrodes can be reduced, waste is reduced, and production cost is reduced.

The electrode protection device comprises an electrode group, a fixed connecting body and a stand column, wherein the fixed connecting body comprises a connecting ring and a connecting block, the connecting ring is connected with the connecting block into a whole, the connecting ring is sleeved on the periphery of one end of the electrode group, the connecting ring is in interference fit with the electrode group, the periphery of the electrode group is sleeved with a protective sleeve, one end of the protective sleeve is sleeved on the periphery of the connecting ring, the protective sleeve is in interference fit with the connecting ring, and the periphery of the top; stand one side is fixed with the support frame, support frame one end and stand fixed connection, and the other end is equipped with the semicircle ring, and the semicircle ring internal diameter cooperatees with the protective sheath external diameter, and the protective sheath runs through the semicircle ring to protruding ring is placed on the semicircle ring top, connecting block and stand fixed connection.

When the installation is used: the stand column is arranged at a proper position, one end of the support frame is welded and fixed with the stand column, the electrode group is installed in a matched mode with the fixed connecting body, the fixed connecting body and the electrode group are installed in a matched mode with the protective sleeve, then the protective sleeve, the fixed connecting body and the electrode group are inserted into the upper portion of the semicircular ring of the support frame together until the top surface of the semicircular ring at the top of the protruding ring is arranged, and fixation is achieved by means of the weight of the protective sleeve, the fixed connecting body and the. The protective sleeve is sleeved on the periphery of the electrode group, so that the direct contact between the raw materials and the electrode is avoided, meanwhile, the influence of dust removing wind on the electrode is avoided, and partial isolation effect on air is also achieved, so that the consumption of the electrode can be greatly reduced.

Preferably, the electrode group include a plurality of electrode posts, the top and the bottom of electrode post all are equipped with the screw hole of frustum form, adjacent electrode post is fixed through connecting electrode, connecting electrode upper portion and lower part respectively with the screw hole screw thread fit connection of the frustum form of connecting electrode top electrode post and below electrode post. The shape of the connecting electrode is completely matched with that of the frustum-shaped threaded hole, so that adjacent electrode columns are tightly connected, and the connecting electrode and the electrode columns are made of the same material; the number of electrode columns may be determined according to the required length.

Preferably, the connecting block is of a hollow structure, so that part of weight can be reduced.

Preferably, the connecting ring and the connecting block are made of metal copper with an insulating layer.

Compared with the prior art, the utility model beneficial effect who has is:

the utility model discloses simple structure, convenient to use has avoided the direct contact of raw materials with the electrode, has avoided the influence of dust removal wind to the electrode simultaneously, also plays the isolated effect of part to the air, reduces the too early rupture of electrode, avoids the electrode extravagant, delays electrode oxidation rate simultaneously, extension electrode life, reduction in production cost.

Drawings

FIG. 1 is a schematic view of the electrode protection device;

FIG. 2 is a partial sectional view taken along line A-A of FIG. 1;

fig. 3 is a perspective view of the electrode protection device (with the vertical column removed).

In the figure: 1. a column; 2. a support frame; 3. a raised ring; 4. a protective sleeve; 5. connecting the electrodes; 6. an electrode group; 7. a frustum-shaped threaded hole; 8. connecting blocks; 9. a connecting ring; 10. a semicircular ring.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1-3, the electrode protection device of the present invention comprises an electrode group 6, a fixed connector and a column 1, wherein the fixed connector comprises a connection ring 9 and a connection block 8, the connection ring 9 is connected with the connection block 8 into a whole, the connection ring 9 is sleeved on the periphery of one end of the electrode group 6, the connection ring 9 is in interference fit with the electrode group 6, a protection sleeve 4 is sleeved on the periphery of the electrode group 6, one end of the protection sleeve 4 is sleeved on the periphery of the connection ring 9, the protection sleeve 4 is in interference fit with the connection ring 9, and a raised ring 3; 1 one side of stand is fixed with

support frame

2, 2 one ends of support frame and 1 fixed connection of stand, and the other end is equipped with semicircle ring 10, and semicircle ring 10 internal diameter cooperatees with 4 external diameters of protective sheath, and protective sheath 4 runs through semicircle ring 10 to protruding ring 3 is placed on semicircle ring 10 top, connecting block 8 and 1 fixed connection of stand.

In this embodiment:

the electrode group 6 comprises a plurality of electrode columns, the top ends and the bottom ends of the electrode columns are respectively provided with a frustum-shaped threaded hole 7, the adjacent electrode columns are fixed through the connecting electrode 5, and the upper portion and the lower portion of the connecting electrode 5 are respectively in threaded fit connection with the frustum-shaped threaded holes 7 of the electrode columns above and below the connecting electrode 5. The shape of the connecting electrode 5 is completely matched with that of the frustum-shaped threaded hole 7, so that adjacent electrode columns are tightly connected, and the connecting electrode 5 and the electrode columns are made of the same material; the number of electrode columns may be determined according to the required length.

The connecting block 8 is of a hollow structure, so that part of the weight can be reduced. The connecting ring 9 and the connecting block 8 are made of metal copper with an insulating layer.

When the installation is used: set up stand 1 in suitable position, then with 2 one ends of support frame and 1 welded fastening of stand, then with electrode group 6 and fixed connector cooperation installation, again with fixed connector and electrode group 6 and the cooperation installation of protective sheath 4, insert protective sheath 4, fixed connector and electrode group 6 together from 2 semicircle rings 10 tops of support frame afterwards, until 3 overhead semicircle ring 10 top surfaces of protruding ring, rely on the weight of protective sheath 4, fixed connector and electrode group 6 self to realize fixing this moment. The other end of the connecting block 8 can be fixedly connected with the upright post 1 through a bolt, and the connecting block 8 is arranged to be a hollow type and is conveniently fixedly connected with the upright post 1. The protective sleeve 4 is sleeved on the periphery of the electrode group 6, so that the direct contact between the raw materials and the electrode is avoided, meanwhile, the influence of dust removing wind on the electrode is avoided, and partial isolation effect on air is also achieved, so that the consumption of the electrode can be greatly reduced.

At present, the electrode of consumption can partially get into in the feed liquid that melts in process of production, causes the degradation of product glass phase nature, leads to the increase of glass phase seepage volume under the high temperature, and uses the utility model discloses can reduce electrode consumption by a wide margin, reduce the carbon element that gets into in the feed liquid to improve product glass phase quality, reduce glass phase seepage volume. To adopting the utility model discloses the glass looks seepage volume of sample 1650 ℃ down of casting surveys, and the glass looks seepage volume of the product that does not adopt this mode is 10.5%, adopts this mode sample glass looks seepage volume to be 8.3%, and the reduction of amplitude proportion reaches 24%.

Claims

1. An electrode protection device, characterized by: the electrode assembly comprises an electrode assembly (6), a fixed connector and a stand column (1), wherein the fixed connector comprises a connecting ring (9) and a connecting block (8), the connecting ring (9) is connected with the connecting block (8) into a whole, the connecting ring (9) is sleeved on the periphery of one end of the electrode assembly (6), the connecting ring (9) is in interference fit with the electrode assembly (6), a protective sleeve (4) is sleeved on the periphery of the electrode assembly (6), one end of the protective sleeve (4) is sleeved on the periphery of the connecting ring (9), the protective sleeve (4) is in interference fit with the connecting ring (9), and a convex ring (3) is arranged; support frame (2) are fixed with on one side of stand (1), support frame (2) one end and stand (1) fixed connection, and the other end is equipped with semicircle ring (10), and semicircle ring (10) internal diameter cooperatees with protective sheath (4) external diameter, and protective sheath (4) run through semicircle ring (10) to protruding ring (3) are placed on semicircle ring (10) top, connecting block (8) and stand (1) fixed connection.

2. The electrode protection device of claim 1, wherein: electrode group (6) include a plurality of electrode posts, and the top of electrode post all is equipped with screw hole (7) of frustum form with the bottom, and adjacent electrode post is fixed through connecting electrode (5), and connecting electrode (5) upper portion and lower part are connected with screw hole (7) screw-thread fit of the frustum form of connecting electrode (5) top electrode post and below electrode post respectively.

3. The electrode protection device of claim 1 or 2, wherein: the connecting block (8) is of a hollow structure.

4. The electrode protection device of claim 1, wherein: the connecting ring (9) and the connecting block (8) are made of metal copper with an insulating layer.