Embedded special-shaped refractory brick

Abstract

The utility model discloses an embedded special-shaped refractory brick relates to coke oven equipment technical field. The utility model discloses a sealing plate, the sealing plate top is provided with the top plate, the top plate top is connected with the feeding port, the sealing plate both sides all are provided with the furnace door, the sealing plate both sides all are provided with the installing mechanism, the installing mechanism includes the embedding recess that sets up at the sealing plate front side with rear side, the positioning plate fixedly connected in the embedding recess inside. The utility model discloses the cooperation of installing mechanism and refractory brick mechanism, has realized the modularization design of refractory brick, the combined structure of embedding recess, positioning plate and anti -drop board, makes special-shaped refractory brick accurate positioning and firm fixed, simultaneously, the double -layer refractory brick design has promoted the heat preservation performance, reduces the heat loss, when partial refractory brick is damaged, only needs to dismantle the corresponding module and changes, need not overhauls, help to improve maintenance efficiency, has reduced the economic loss.

Description

Technical Field

[0001] This utility model belongs to the technical field of coke oven equipment, and in particular relates to embedded irregular shaped refractory bricks. Background Technology

[0002] The core high-temperature reaction zone of the coke oven generates a temperature of 1300-1450℃ through the combustion of gas, which dry distills the coal in the adjacent carbonization chamber into coke. Its structure consists of rows of vertical fire channels, regenerators, and furnace walls built of refractory bricks. It needs to withstand thermal stress, chemical erosion, and mechanical loads for a long time. Refractory bricks are the core building material of the coke oven combustion chamber. Silica bricks are traditionally used. They have high refractoriness and high-temperature strength, but they have problems such as high thermal conductivity, limited thermal shock resistance, and easy leakage between brick joints.

[0003] Existing refractory bricks still have some problems in use, such as: insufficient thermal insulation performance of single-layer refractory brick structures, heat loss from the furnace wall surface accounting for 15-25% of the total energy consumption of coke ovens, and traditional masonry is an integral structure, where damage to local refractory bricks requires shutdown and major repairs, which is inefficient and economically costly. To address these issues, we have provided embedded irregularly shaped refractory bricks. Summary of the Invention

[0004] The purpose of this utility model is to provide embedded irregular refractory bricks. Through the cooperation of the installation mechanism and the refractory brick mechanism, it solves the problems of insufficient heat insulation performance of single-layer refractory brick structures and the need for furnace shutdown and major repairs due to local refractory brick damage, which result in low replacement efficiency and large economic losses.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution.

[0006] This utility model relates to an embedded irregularly shaped refractory brick, comprising a sealing plate, a top plate on the top of the sealing plate, a feed inlet on the top of the top plate, furnace doors on both sides of the sealing plate, and mounting mechanisms on both sides of the sealing plate. Each mounting mechanism includes an embedding groove formed on the front and rear sides of the sealing plate, a positioning plate fixedly connected inside the embedding groove, and an anti-detachment plate fixedly connected on the front and rear sides of the sealing plate. A refractory brick mechanism is disposed inside the embedding groove, comprising an irregularly shaped refractory brick, side plates fixedly connected to both sides of the irregularly shaped refractory brick, a contact plate fixedly connected to one side of the irregularly shaped refractory brick, and a positioning groove formed on the surface of the irregularly shaped refractory brick.

[0007] The present invention is further configured such that a fastening screw is fixedly connected to the top of the sealing plate, and a fastening nut is threadedly connected to the surface of the fastening screw. The materials of the sealing plate, the fastening screw and the fastening nut are all nickel-based high-temperature alloys.

[0008] The present invention is further configured such that the anti-detachment plate is L-shaped, and the anti-detachment plate has an anti-detachment groove inside that is adapted to the side plate.

[0009] The present invention is further configured such that the irregular refractory brick is arranged in a double layer, with the two layers of irregular refractory bricks respectively arranged on the front and rear sides of the sealing plate.

[0010] The present invention is further configured such that the irregular refractory bricks are bonded with a phosphate-based binder, and the gap between two irregular refractory bricks is less than or equal to two millimeters.

[0011] The present invention is further configured such that an insulation box is provided on the top of the top plate, and a fixing plate is fixedly connected to both sides of the insulation box. A fixing through hole is provided inside the top plate and the fixing plate, and a fixing bolt is threaded inside the fixing through hole.

[0012] The present invention has the following beneficial effects.

[0013] This invention achieves a modular design for refractory bricks through the cooperation of the installation mechanism and the refractory brick mechanism. The combination structure of the embedded groove, positioning plate and anti-detachment plate enables irregularly shaped refractory bricks to be accurately positioned and firmly fixed. At the same time, the double-layer refractory brick design improves the heat insulation performance and reduces heat loss. When a local refractory brick is damaged, only the corresponding module needs to be disassembled and replaced, without major repairs, which helps to improve maintenance efficiency and reduce economic losses.

[0014] This invention uses a sealing plate made of nickel-based high-temperature alloy material, which can compensate for thermal expansion at high temperatures and prevent gas leakage. The use of phosphate-based binder further enhances the bonding effect between refractory bricks and ensures tight joints. This dual design of "mechanical locking + double-layer heat insulation" solves the sealing and stability problems of traditional refractory bricks in high-temperature environments.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0017] Figure 1 This is a 3D view of an embedded irregularly shaped refractory brick.

[0018] Figure 2 This is a diagram showing the completed assembly of irregularly shaped refractory bricks in an embedded irregularly shaped refractory brick assembly.

[0019] Figure 3 This is an assembly diagram of the sealing plate and double-layer irregular shaped refractory bricks in an embedded irregular shaped refractory brick.

[0020] Figure 4 This is a structural diagram of the mounting mechanism in an embedded irregular shaped refractory brick.

[0021] Figure 5 This is a structural diagram of the refractory brick mechanism in an embedded irregular refractory brick.

[0022] Figure 6 This is a cross-sectional view of an insulated box embedded in irregularly shaped refractory bricks.

[0023] In the attached diagram: 1. Sealing plate; 2. Top plate; 3. Feed inlet; 4. Furnace door; 5. Installation mechanism; 501. Embedded groove; 502. Positioning plate; 503. Anti-detachment plate; 6. Refractory brick mechanism; 601. Irregularly shaped refractory brick; 602. Side plate; 603. Contact plate; 604. Positioning groove; 7. Fastening screw; 8. Fastening nut; 9. Anti-detachment groove; 10. Insulation box; 11. Fixing plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be described below with reference to the accompanying drawings. The described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] Example 1

[0026] Please see Figures 1-6 This utility model is an embedded irregular refractory brick, including a sealing plate 1, a top plate 2 on the top of the sealing plate 1, a feed inlet 3 connected to the top of the top plate 2, furnace doors 4 on both sides of the sealing plate 1, and installation mechanisms 5 on both sides of the sealing plate 1. The installation mechanism 5 includes an embedding groove 501 on the front and rear sides of the sealing plate 1, a positioning plate 502 fixedly connected inside the embedding groove 501, and an anti-detachment plate 503 fixedly connected to the front and rear sides of the sealing plate 1. A refractory brick mechanism 6 is provided inside the embedding groove 501. The refractory brick mechanism 6 includes an irregular refractory brick 601, side plates 602 fixedly connected to both sides of the irregular refractory brick 601, a contact plate 603 fixedly connected to one side of the irregular refractory brick 601, and a positioning groove 604 on the surface of the irregular refractory brick 601.

[0027] Specifically: Through the installation mechanism 5, modular positioning and fixing are achieved. The embedded groove 501, embedded in the base of the refractory brick, provides longitudinal support. The positioning plate 502 engages with the positioning groove 604 of the refractory brick, limiting forward and backward displacement. The L-shaped anti-detachment plate 503, through the anti-detachment groove 9, engages with the side plate 602 of the refractory brick, locking its left and right positions. The cooperation of the embedded groove 501, positioning plate 502, and anti-detachment plate 503 facilitates the positioning, installation, disassembly, and replacement of the irregularly shaped refractory brick 601, enabling localized maintenance. The components are made of nickel-based high-temperature alloy to prevent high-temperature deformation from causing positioning failure. Through the refractory brick mechanism 6, the front / rear double-layer irregularly shaped refractory bricks 601 sandwich the sealing plate 1, which helps improve insulation performance and reduce heat loss. The contact plate 603 tightly presses against adjacent refractory bricks, eliminating left and right brick gaps. The embedded sealing plate 1, made of nickel-based alloy, compensates for thermal expansion and prevents gas leakage. This is achieved through "mechanical locking + double-layer insulation." The combination of these two technologies upgrades refractory bricks from traditional masonry materials into replaceable functional modules, thus resolving the core contradiction between extending the lifespan of coke ovens and ensuring efficient maintenance.

[0028] Example 2

[0029] Please see Figures 1-6 Based on Example 1, a fastening screw 7 is fixedly connected to the top of the sealing plate 1, and a fastening nut 8 is threadedly connected to the surface of the fastening screw 7. The materials of the sealing plate 1, the fastening screw 7, and the fastening nut 8 are all nickel-based high-temperature alloys. The anti-detachment plate 503 is L-shaped, and an anti-detachment groove 9 adapted to the side plate 602 is opened inside the anti-detachment plate 503. The irregular refractory bricks 601 are double-layered, and the two layers of irregular refractory bricks 601 are respectively set on the front and rear sides of the sealing plate 1. The irregular refractory bricks 601 are bonded with phosphate-based binder, and the gap between the two irregular refractory bricks 601 is less than or equal to two millimeters. A through hole adapted to the fastening screw 7 is opened inside the top plate 2. An insulation box 10 is set on the top of the top plate 2. Fixing plates 11 are fixedly connected to both sides of the insulation box 10. Fixing through holes are opened inside the top plate 2 and the fixing through holes are threadedly connected to fixing bolts.

[0030] Specifically: By using the fastening screws 7 and fastening nuts 8, the top plate 2 is fixed to the top of the sealing plate 1 after the irregular refractory brick 601 is installed, thus securing the top of the irregular refractory brick 601. The sealing plate 1, made of nickel-based high-temperature alloy, has excellent high-temperature strength and creep resistance, which helps maintain structural stability and sealing at high temperatures. By using the anti-detachment groove 9, the side plate 602 enters the anti-detachment groove 9 of the anti-detachment plate 503 when the irregular refractory brick 601 is installed, limiting the left and right positions of the irregular refractory brick 601. The double-layer irregular refractory brick 601 helps improve the heat preservation performance of the coke oven during use and reduces heat loss. The insulation box 10, which is set on the surface of the fastening screws 7 and fastening nuts 8, is used to reduce the heat dissipation conducted to the fastening screws 7 and fastening nuts 8.

[0031] The working principle of this utility model is as follows: two sealing plates 1 are fixed in designated positions respectively, and irregular refractory bricks 601 are placed into the embedding grooves 501 of the sealing plates 1 from top to bottom. When placing them, it is necessary to ensure that the positioning grooves 604 of the irregular refractory bricks 601 are aligned with the positioning plates 502 of the embedding grooves 501, and the side plates 602 are aligned with the anti-detachment grooves 9 of the anti-detachment plates 503. Then, push them down to the bottom. Phosphate-based adhesive is applied to the contact position of the two irregular refractory bricks 601 to increase the adhesion effect.

[0032] After the irregular refractory bricks 601 are stacked in sequence, the top plate 2 is placed on top of the sealing plate 1, the fastening screw 7 is passed through the through hole of the top plate 2, and then the fastening nut 8 is screwed on the surface of the fixing screw to fix the top plate 2 on top of the sealing plate 1. The bottom of the top plate 2 presses and fixes the irregular refractory bricks 601. Finally, the insulation box 10 is fixed on top of the fastening nut 8 by the fixing bolt, thus completing the construction of the coke oven combustion chamber.

[0033] After use, the joints of the shaped refractory bricks 601 need to be inspected regularly. If the joints widen or the shaped refractory bricks 601 are damaged, they need to be replaced in time. When replacing, unscrew the fastening nut 8 on the corresponding vertical top plate 2, remove the top plate 2, and then pull the vertical shaped refractory brick 601 upwards and replace it with a new shaped refractory brick 601. There is no need for large-scale disassembly and assembly.

[0034] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An embedded irregularly shaped refractory brick, including a sealing plate (1), characterized in that: The sealing plate (1) is provided with a top plate (2) at the top, and the top of the top plate (2) is connected to a feed inlet (3). The sealing plate (1) is provided with furnace doors (4) on both sides. The sealing plate (1) is provided with an installation mechanism (5) on both sides. The installation mechanism (5) includes an embedding groove (501) opened on the front and rear sides of the sealing plate (1), a positioning plate (502) fixedly connected inside the embedding groove (501), and an anti-detachment plate (503) fixedly connected on the front and rear sides of the sealing plate (1). The embedded groove (501) is provided with a refractory brick mechanism (6), which includes a shaped refractory brick (601), side plates (602) fixedly connected to both sides of the shaped refractory brick (601), a contact plate (603) fixedly connected to one side of the shaped refractory brick (601), and a positioning groove (604) formed on the surface of the shaped refractory brick (601).

2. The embedded irregular-shaped refractory brick according to claim 1, characterized in that: The top of the sealing plate (1) is fixedly connected to a fastening screw (7), and a fastening nut (8) is threaded onto the surface of the fastening screw (7). The materials of the sealing plate (1), the fastening screw (7) and the fastening nut (8) are all nickel-based high-temperature alloys.

3. The embedded irregular-shaped refractory brick according to claim 1, characterized in that: The anti-detachment plate (503) is L-shaped, and the anti-detachment plate (503) has an anti-detachment groove (9) inside that is adapted to the side plate (602).

4. The embedded irregular-shaped refractory brick according to claim 1, characterized in that: The irregular refractory brick (601) is arranged in two layers, with the two layers of irregular refractory brick (601) respectively arranged on the front and rear sides of the sealing plate (1).

5. The embedded irregular-shaped refractory brick according to claim 1, characterized in that: The irregular refractory bricks (601) are bonded together with a phosphate-based binder, and the gap between two irregular refractory bricks (601) is less than or equal to two millimeters.

6. The embedded irregular-shaped refractory brick according to claim 1, characterized in that: The top plate (2) is provided with an insulation box (10), and the insulation box (10) is fixedly connected to both sides of a fixing plate (11). The top plate (2) and the fixing plate (11) are both provided with fixing through holes, and fixing bolts are threaded inside the fixing through holes.

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