Wedge-shaped refractory brick for rotary furnace

Abstract

The utility model discloses a wedge-shaped refractory brick for a rotary furnace, and belongs to the field of refractory bricks. Comprising a wedge-shaped refractory brick body, and sinking tables and bosses matched with the sinking tables are arranged on the two opposite side faces of the wedge-shaped refractory brick body respectively. A protrusion is arranged in the middle of the end face of the sinking table, and a groove matched with the protrusion is formed in the middle of the end face of the boss. The wedge-shaped refractory brick has the beneficial effects that the sinking tables and the bosses matched with the sinking tables are arranged on the two opposite side faces of the wedge-shaped refractory brick body respectively; meanwhile, the protrusions are arranged in the middles of the sinking tables of the wedge-shaped refractory brick bodies, the grooves matched with the protrusions are formed in the middles of the bosses, and by means of matching of the protrusions and the grooves, the adjacent wedge-shaped refractory brick bodies form the interlocking structure characteristic. The adjacent wedge-shaped refractory bricks can be prevented from falling off by means of friction force and radial supporting force generated by the structures of the protrusions and the grooves.

Description

Technical Field

[0001] The utility model relates to a wedge-shaped refractory brick for a rotary furnace, belonging to the field of refractory bricks. Background Art

[0002] In a rotary kiln, friction is mainly used to prevent adjacent wedge-shaped refractory bricks from falling off. Due to limited friction, the average life of the wedge-shaped refractory bricks in the rotary kiln cylinder is less than months. Since the production line was put into operation, the rotary kiln has been forced to stop frequently due to the falling off of the wedge-shaped refractory bricks, and the process of replacing new wedge-shaped refractory bricks is relatively complicated.

[0003] The Chinese utility model patent with application number "CN201621216718.5" provides a wedge-shaped refractory brick and a rotary kiln provided with the wedge-shaped refractory brick;

[0004] This patent provides arc-shaped grooves and arc-shaped protrusions matching the arc-shaped grooves on two opposite sides of the wedge-shaped refractory brick body; multiple wedge-shaped refractory bricks are stacked in a ring and arranged on the inner wall of the rotary kiln cylinder, and the arc-shaped protrusion of each wedge-shaped refractory brick is inserted into the arc-shaped groove of the wedge-shaped refractory brick adjacent to it.

[0005] The applicant believes that there is a more stable wedge-shaped refractory brick structure. Utility Model Content

[0006] The utility model aims to provide a wedge-shaped refractory brick for a rotary furnace, which can effectively solve the above-mentioned problems.

[0007] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0008] It comprises a wedge-shaped refractory brick body, on two opposite sides of which a sink and a boss matching the sink are respectively arranged; a bulge is arranged in the middle of the end surface of the sink, and a groove matching the bulge is arranged in the middle of the end surface of the boss.

[0009] Furthermore: the sink and the boss are both in the shape of a cuboid.

[0010] Furthermore: the protrusion and the groove are both trapezoidal in shape.

[0011] Furthermore: the connection between the protrusion and the wedge-shaped refractory brick body is provided with a rounded corner, and the groove edge of the groove is also provided with a rounded corner.

[0012] Furthermore: the upper end surface of the protrusion is in the same plane as the upper end surface of the refractory brick body other than the sinking platform.

[0013] Furthermore: the wedge-shaped refractory brick body has a length of 230 mm, a width of 114 mm, and a thickness of 65 / 45 mm; the sink has a length of 57.5 mm, a width of 114 mm, and a depth of 5 mm.

[0014] Furthermore: the protrusion has a length and width of 10 mm and a height of 5 mm.

[0015] The beneficial effects are:

[0016] The wedge-shaped refractory brick body of the utility model has a sinking platform and a boss matching the sinking platform respectively arranged on two opposite sides of the wedge-shaped refractory brick body. When the wedge-shaped refractory brick body is arranged along the circumferential direction of the rotary kiln, the boss of each wedge-shaped refractory brick can be matched in the sinking platform of the wedge-shaped refractory brick adjacent to it, so that the adjacent wedge-shaped refractory brick bodies can restrain and contain each other by using the stepped table surface, thereby preventing the wedge-shaped refractory brick from falling off to a certain extent, and extending the service life and replacement cycle of the wedge-shaped refractory brick.

[0017] At the same time, a protrusion is provided on the middle part of the sinker of the wedge-shaped refractory brick body, and a groove matching the protrusion is provided on the middle part of the boss. By utilizing the cooperation of the protrusion and the groove, adjacent wedge-shaped refractory brick bodies form an interlocking structural feature. When the wedge-shaped refractory bricks are stacked in the high-temperature section of the rotary kiln, the adjacent wedge-shaped refractory bricks can rely on friction and radial supporting force generated by the protrusion and groove structure to prevent the wedge-shaped refractory bricks from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] For ease of explanation, the present invention is described in detail by the following specific implementations and drawings.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 is a perspective view of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of a rotary furnace of the utility model.

[0022] Description of reference numerals:

[0023] 1. Wedge-shaped refractory brick body; 2. Sink; 3. Boss; 4. Protrusion; 5. Groove. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but cannot be understood as limiting the present invention.

[0025] See also Figure 1-3This is an embodiment of a wedge-shaped refractory brick for a rotary furnace of the utility model.

[0026] It comprises a wedge-shaped refractory brick body 1, on two opposite sides of which a sink 2 and a boss 3 matching the sink 2 are respectively arranged; a boss 4 is arranged in the middle of the end face of the sink 2, and a groove 5 matching the boss 4 is arranged in the middle of the end face of the boss 3.

[0027] The wedge-shaped refractory brick body 1 of the utility model is provided with a sinking platform 2 and a boss 3 matching the sinking platform 2 on two opposite sides of the wedge-shaped refractory brick body 1, respectively. When arranged along the circumferential direction of the rotary kiln, the boss 3 of each wedge-shaped refractory brick can be matched in the sinking platform 2 of the wedge-shaped refractory brick adjacent to it, so that the adjacent wedge-shaped refractory brick bodies 1 can restrain and contain each other by using the stepped table surface, thereby preventing the wedge-shaped refractory bricks from falling off to a certain extent, and extending the service life and replacement cycle of the wedge-shaped refractory bricks.

[0028] At the same time, the wedge-shaped refractory brick body 1 is provided with a protrusion 4 in the middle part of the sinker 2, and a groove 5 matching the protrusion 4 is provided in the middle part of the boss 3. By utilizing the cooperation between the protrusion 4 and the groove 5, adjacent wedge-shaped refractory brick bodies 1 form an interlocking structural feature. When the wedge-shaped refractory bricks are stacked in the high-temperature section of the rotary kiln, the adjacent wedge-shaped refractory bricks can rely on friction and radial supporting force generated by the structure of the protrusion 4 and the groove 5 to prevent the wedge-shaped refractory bricks from falling off.

[0029] The sink 2 and the boss 3 are both in the shape of a cuboid, which is convenient for processing and also forms a fitting table surface to increase friction.

[0030] The protrusion 4 and the groove 5 are both trapezoidal in shape. The trapezoidal shape can form an interlocking structure and increase friction.

[0031] The connection between the protrusion 4 and the wedge-shaped refractory brick body 1 is provided with a rounded corner, and the groove edge of the groove 5 is also provided with a rounded corner. The rounded corners can facilitate the installation of the wedge-shaped refractory brick body 1 and further improve the friction force.

[0032] The upper end surface of the protrusion 4 is in the same plane as the upper end surface of the non-sinking platform 2 portion of the refractory brick body, so that the protrusion 4 conforms to the shape of the wedge-shaped refractory brick.

[0033] The wedge-shaped refractory brick body 1 has a length of 230 mm, a width of 114 mm, and a thickness of 65 / 45 mm; the sink 2 has a length of 57.5 mm, a width of 114 mm, and a depth of 5 mm.

[0034] The position of the sink 2 is limited mainly to facilitate processing, and the area of ​​the sink 2 is limited to facilitate the setting of the protrusion 4.

[0035] The protrusion 4 has a length and width of 10 mm and a height of 5 mm. The position and area of ​​the protrusion 4 are set according to the area and position of the sink 2.

[0036] The above description is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.

Claims

1. A wedge-shaped refractory brick for a rotary furnace, characterized in that: The invention comprises a wedge-shaped refractory brick body (1), wherein a sink (2) and a boss (3) matching the sink (2) are respectively arranged on two opposite sides of the wedge-shaped refractory brick body (1); a protrusion (4) is arranged in the middle of the end surface of the sink (2), and a groove (5) matching the protrusion (4) is arranged in the middle of the end surface of the boss (3).

2. The wedge-shaped refractory brick for rotary kiln according to claim 1, characterized in that: The sunken platform (2) and the raised platform (3) are both in the shape of a cuboid.

3. The wedge-shaped refractory brick for rotary kiln according to claim 2, characterized in that: The protrusion (4) and the groove (5) are both trapezoidal in shape.

4. The wedge-shaped refractory brick for rotary furnace according to claim 3, characterized in that: The connection between the protrusion (4) and the wedge-shaped refractory brick body (1) is provided with a rounded corner, and the groove edge of the groove (5) is also provided with a rounded corner.

5. The wedge-shaped refractory brick for rotary furnace according to claim 4, characterized in that: The upper end surface of the protrusion (4) and the upper end surface of the portion of the refractory brick body that is not the sinking platform (2) are in the same plane.

6. The wedge-shaped refractory brick for rotary furnace according to claim 1, characterized in that: The wedge-shaped refractory brick body (1) has a length of 230 mm, a width of 114 mm, and a thickness of 65 / 45 mm; the sink (2) has a length of 57.5 mm, a width of 114 mm, and a depth of 5 mm.

7. The wedge-shaped refractory brick for rotary furnace according to claim 1, characterized in that: The protrusion (4) has a length and width of 10 mm and a height of 5 mm.

Images