A calcium carbide furnace body electrode holding device

Abstract

The utility model discloses a calcium carbide furnace body electrode holding device, which relates to the technical field of calcium carbide furnace bodies, including a plurality of furnace body arc plates, wherein rib fin plates are fixedly inserted between adjacent furnace body arc plates, the rib fin plates are arranged inside and outside the furnace body arc plates, and the rib fin plates are arranged on one side of the center of the cylinder formed by the furnace body arc plates, and the rib fin plates are integrated with the corresponding C-shaped plates, and the outer wall of the furnace body arc plate is provided with an arc tile, and a contact element is arranged between the outer wall of the rib fin plate and the arc tile. The utility model can increase the effective conductive contact surface by setting a sliding groove, a sliding groove structure of the contact element, and the design of the rib fin plate and the C-shaped plate, effectively alleviate the overcurrent burning of the rib fin plate, the C-shaped plate and the contact element during use, and extend the service life. The contact element is made of copper alloy material, which increases the smoothness and wear resistance of the contact element, and reduces the jamming and wear during the electrode pressing and releasing period.

Description

Technical Field

[0001] The utility model relates to the technical field of calcium carbide furnace bodies, in particular to a calcium carbide furnace body electrode holding device. Background Art

[0002] The electrode holder of calcium carbide furnace is an important part of calcium carbide furnace. Its main functions are to fix and guide the electrode so that it can go deep into the furnace; secondly, to conduct the electric energy sent by the short network to the electrode for arc heating. At present, the holder of closed domestic calcium carbide furnace mainly adopts the combination holder of Elken Company in Norway in the last century. This holder has some problems, such as complex structure, difficult maintenance, poor conductivity, etc.

[0003] Application No.: CN201720684959.0 discloses an electrode holder for an electric arc furnace, wherein a copper tile is located under a holding tube and is circumferentially wrapped around the electrode, the copper tile is hung on the holding tube through a hanging rod, an upper pressure ring and a lower pressure ring are hooped on the outer side of the copper tile, and a clamping device provides a downward clamping force for the upper pressure ring; the upper end face of the lower pressure ring is provided with wedge-shaped grooves equal in number to the copper tile, the wedge-shaped grooves have large groove openings and small groove bottoms, and the wedge-shaped grooves and the inner wall of the lower pressure ring are radially The outer wall of the copper washer is provided with a push rod extending vertically outward, and a rod head is formed at the end of the push rod, the size of the rod head matches the wedge-shaped groove, the diameter of the push rod matches the through-portion, and the rod head is located in the wedge-shaped groove; a pressure column extends downward from the lower end surface of the upper pressure ring, and the number of the pressure columns is equal to the wedge-shaped groove. The position and length of the pressure column are such that: after the upper pressure ring and the lower pressure ring are fully buckled, the pressure column presses against the rod head to make the copper washer hold the electrode tightly.

[0004] However, due to the small contact surface and low strength of the above device, the electrode tube ribs are often burned or worn due to overcurrent, which reduces the conductivity, resulting in uneven distribution of single-phase electrode current and unbalanced current of three-phase motor. Therefore, it is necessary to propose a calcium carbide furnace body electrode holding device. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a calcium carbide furnace body electrode holding device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A calcium carbide furnace body electrode holding device comprises a plurality of furnace body arc plates, wherein the plurality of furnace body arc plates are matched in pairs to form a cylindrical shape, and rib fin plates are fixedly inserted between adjacent furnace body arc plates, and the rib fin plates are arranged inside and outside the furnace body arc plates, and the rib fin plates are arranged on one side of the center of the cylinder formed by the furnace body arc plates, and the rib fin plates correspond to the C-shaped plates one by one, and the rib fin plates are integrated with the corresponding C-shaped plates, and the outer side wall of the furnace body arc plate is provided with an arc tile, and a contact element is provided between the outer side wall of the rib fin plate and the arc tile, and fastening components are provided at both ends of the arc tile.

[0008] Preferably, the outer side wall of the rib fin plate is symmetrically provided with a plurality of fixing strips, the fixing strips are arranged on the outer side of the furnace body arc plate, the fixing strips are integrated with the rib fin plate, a plurality of sliding grooves are provided on the side of the contact element close to the rib fin plate, and the fixing strips are slidably arranged in the corresponding sliding grooves;

[0009] Used to increase the service life of the device, the sliding groove structure of the contact element, the design of the rib fin plate and the C-type plate can increase the effective conductive contact surface, effectively alleviate the over-current burning of the rib fin plate, the C-type plate and the contact element during use, and extend the service life.

[0010] Preferably, the fastening assembly comprises movable grooves symmetrically provided at both ends of the arc-shaped tile, a sliding block is slidably provided in the movable groove, a plurality of matching grooves are provided on the side of the contact element away from the rib fin plate, and a matching block is fixedly installed on one end of the sliding block close to the contact element;

[0011] The matching block corresponds to the matching slot one by one, and the matching block is movably arranged in the matching slot, a functional spring is arranged in the movable slot, and the functional spring is elastically connected between the inner side wall of the movable slot and the outer side wall of the sliding block;

[0012] It is used to fit the contact element with the rib fin plate, insert the contact element between the rib fin plate and the arc tile, the contact element squeezes the sliding block and the matching block, so that the sliding block moves in the movable groove, and the sliding block compresses the functional spring, and then the matching block is inserted into the matching groove under the reaction force of the functional spring, and the contact element is squeezed under the reaction force of the functional spring.

[0013] Preferably, the C-shaped plate opening faces toward the center of the cylinder formed by the furnace body arc plate, and the inner curvature of the arc-shaped tile matches the outer curvature of the furnace body arc plate;

[0014] Preferably, the contact element is made of copper alloy material;

[0015] Used to increase the smoothness and wear resistance of contact elements, reducing sticking and wear during electrode pressing and releasing.

[0016] The utility model has the following beneficial effects:

[0017] 1. By setting the sliding groove, the sliding groove structure of the contact element, the design of the rib fin plate and the C-type plate, the effective conductive contact surface can be increased, which effectively alleviates the overcurrent burning of the rib fin plate, the C-type plate and the contact element during use, and prolongs the service life. The contact element made of copper alloy material increases the smoothness and wear resistance of the contact element, and reduces the jamming and wear during the electrode pressing and releasing.

[0018] 2. By setting a fastening component, the contact element is inserted between the rib fin plate and the arc tile. The contact element squeezes the sliding block and the matching block, so that the sliding block moves in the movable groove, and the sliding block compresses the functional spring. The matching block is then inserted into the matching groove under the reaction force of the functional spring, and the contact element is squeezed under the reaction force of the functional spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the external structure of a calcium carbide furnace body electrode holding device proposed by the utility model;

[0020] Figure 2 It is a structural schematic diagram of the arc plate and arc-shaped tiles of the furnace body of the utility model;

[0021] Figure 3 It is a schematic diagram of the exploded structure of the arc plate and arc-shaped tiles of the furnace body of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the fastening assembly of the utility model.

[0023] In the figure: 1. furnace body arc plate; 2. rib fin plate; 21. fixing bar; 3. C-shaped plate; 4. arc-shaped tile; 5. contact element; 51. sliding groove; 6. fastening assembly; 61. movable groove; 62. sliding block; 63. matching groove; 64. matching block; 65. functional spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] Reference Figure 1-4 A calcium carbide furnace body electrode holding device comprises a plurality of furnace body arc plates 1, wherein the plurality of furnace body arc plates 1 are matched in pairs to form a cylindrical shape, and rib fin plates 2 are fixedly inserted between adjacent furnace body arc plates 1, and the rib fin plates 2 are arranged inside and outside the furnace body arc plates 1, and the rib fin plates 2 are arranged on one side of the center of the cylinder formed by the furnace body arc plates 1, and the rib fin plates 2 correspond to the C-shaped plates 3 one by one, and the rib fin plates 2 are integrated with the corresponding C-shaped plates 3, and the outer wall of the furnace body arc plate 1 is provided with an arc tile 4, and a contact element 5 is provided between the outer wall of the rib fin plate 2 and the arc tile 4, and fastening components 6 are provided at both ends of the arc tile 4.

[0027] A plurality of fixing strips 21 are symmetrically arranged on the outer wall of the fin plate 2. The fixing strips 21 are arranged on the outer side of the furnace body arc plate 1. The fixing strips 21 are integrated with the fin plate 2. A plurality of sliding grooves 51 are opened on the side of the contact element 5 close to the fin plate 2. The fixing strips 21 are slidably arranged in the corresponding sliding grooves 51.

[0028] The fastening assembly 6 includes movable grooves 61 symmetrically opened at both ends of the arc-shaped tile 4, in which a sliding block 62 is slidably arranged, a plurality of matching grooves 63 are opened on the side of the contact element 5 away from the rib fin plate 2, and a matching block 64 is fixedly installed on one end of the sliding block 62 close to the contact element 5.

[0029] The matching block 64 corresponds to the matching slot 63 one by one, and the matching block 64 is movably arranged in the matching slot 63. A functional spring 65 is arranged in the movable slot 61, and the functional spring 65 is elastically connected between the inner side wall of the movable slot 61 and the outer side wall of the sliding block 62.

[0030] The opening of the C-shaped plate 3 faces toward the center of the cylinder formed by the furnace body arc plate 1 , and the inner curvature of the arc-shaped tile 4 matches the outer curvature of the furnace body arc plate 1 .

[0031] The contact element 5 is made of copper alloy.

[0032] In the utility model, the contact element 5 is inserted between the rib fin plate 2 and the arc-shaped tile 4, and the contact element 5 squeezes the sliding block 62 and the matching block 64, so that the sliding block 62 moves in the movable groove 61, and the sliding block 62 compresses the functional spring 65. The matching block 64 is then inserted into the matching groove 63 under the reaction force of the functional spring 65, and the contact element 5 is squeezed under the reaction force of the functional spring 65. The sliding groove 51 structure of the contact element 5, the design of the rib fin plate 2 and the C-type plate 3 can increase the effective conductive contact surface, effectively alleviate the over-current burning of the rib fin plate 2, the C-type plate 3 and the contact element 5 during use, and extend the service life. The contact element 5 made of copper alloy material increases the smoothness and wear resistance of the contact element 5, and reduces the jamming and wear during electrode pressing and releasing.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A calcium carbide furnace body electrode holding device, comprising a plurality of furnace body arc plates (1), characterized in that: The plurality of furnace body arc plates (1) are matched in pairs to form a cylindrical shape, and rib fin plates (2) are fixedly inserted between adjacent furnace body arc plates (1), and the rib fin plates (2) are arranged inside and outside the furnace body arc plates (1). The rib fin plates (2) are arranged on one side of the center of the cylinder formed by the furnace body arc plates (1), and the rib fin plates (2) correspond to the C-shaped plates (3) one by one, and the rib fin plates (2) and the corresponding C-shaped plates (3) are arranged in an integrated manner. The outer wall of the furnace body arc plate (1) is provided with an arc tile (4), and a contact element (5) is provided between the outer wall of the rib fin plate (2) and the arc tile (4), and fastening components (6) are provided at both ends of the arc tile (4).

2. The electrode holding device for a calcium carbide furnace according to claim 1, characterized in that: The outer wall of the rib fin plate (2) is symmetrically provided with a plurality of fixing strips (21), the fixing strips (21) are arranged on the outer side of the furnace body arc plate (1), the fixing strips (21) and the rib fin plate (2) are integrally arranged, and the contact element (5) is provided with a plurality of sliding grooves (51) on the side close to the rib fin plate (2), and the fixing strips (21) are slidably arranged in the corresponding sliding grooves (51).

3. The electrode holding device for a calcium carbide furnace according to claim 1, characterized in that: The fastening assembly (6) comprises movable grooves (61) symmetrically arranged at both ends of the arc-shaped tile (4), a sliding block (62) is slidably arranged in the movable groove (61), a plurality of matching grooves (63) are arranged on the side of the contact element (5) away from the rib fin plate (2), and a matching block (64) is fixedly installed on one end of the sliding block (62) close to the contact element (5).

4. The electrode holding device for a calcium carbide furnace according to claim 3 is characterized in that: The matching block (64) corresponds to the matching groove (63) one by one, and the matching block (64) is movably arranged in the matching groove (63). A functional spring (65) is arranged in the movable groove (61), and the functional spring (65) is elastically connected between the inner side wall of the movable groove (61) and the outer side wall of the sliding block (62).

5. The electrode holding device for a calcium carbide furnace according to claim 1, characterized in that: The opening of the C-shaped plate (3) faces the center of the cylinder formed by the furnace body arc plate (1), and the inner curvature of the arc-shaped tile (4) matches the outer curvature of the furnace body arc plate (1).

6. The electrode holding device for a calcium carbide furnace according to claim 1, characterized in that: The contact element (5) is made of copper alloy material.

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