Composite porous alkaline brick convenient to fire

Abstract

The utility model relates to the technical field of alkaline bricks, and discloses a composite porous alkaline brick convenient to fire, which comprises a brick body, the brick body comprises a first brick and a second brick, one end of the second brick is fixedly connected with a butt-joint block, one end of the first brick is provided with a butt-joint groove matched with the butt-joint block, the butt-joint block is in sliding fit with the butt-joint groove, and the butt-joint block is fixedly connected with the butt-joint block. A plurality of through holes are formed in the top surfaces of the first brick and the second brick, and are uniformly distributed in the corresponding first brick and the second brick. According to the utility model, the annular exhaust passages are formed in the first brick and the second brick, so that all the through holes in the first brick and the second brick are communicated with one another, and high-temperature smoke can quickly circulate among the through holes in the firing process; and damage to the inner walls of the through holes due to the fact that high-temperature smoke dust stays in the single through hole for a long time is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of alkaline bricks, and more specifically, to a composite porous alkaline brick which is easy to burn. Background Art

[0002] Porous bricks refer to porous bricks made of clay, shale, and fly ash as the main raw materials, which are formed and baked. The porosity is equal to or greater than 28% (the block is equal to or greater than 33%), and the hole type is round or non-round. The hole size is small and the number is large. It is called porous bricks, which are mainly suitable for load-bearing walls;

[0003] At present, clay refractory materials are usually used in the firing of porous bricks, in which the Al2O3 content is between 40% and 50%. This clay alkaline brick has good thermal properties, is resistant to rapid cooling and heating, can well meet the rapid changes in the alternating temperature difference of the heat storage chamber, and can show good use effect in the initial stage of production; however, with the increase of use time, the alkaline substances in the high-temperature combustion smoke of the coke oven will gradually deposit on the inner wall of the air flow channel of the porous brick, especially in the reheating coke ovens currently used, the amount of alkaline substances in the high-temperature combustion smoke is greater, and the gas inside the porous brick through-holes cannot circulate quickly, which makes the high-temperature combustion smoke seriously erode the inner wall of the airway of the porous brick, thereby causing the porous brick to crack, the inner wall of the airway to foam and swell, causing the airway to be blocked, directly affecting the heat supply and air supply of the coke oven combustion chamber, causing the coke oven to fail to work normally. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a composite porous alkaline brick that is easy to fire and has the advantages of allowing high-temperature smoke to circulate quickly and reducing the damage of smoke to pores.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a composite porous alkaline brick that is easy to fire, including a brick body, wherein the brick body includes a first brick and a second brick, one end of the second brick is fixedly connected to a docking block, one end of the first brick is provided with a docking groove that matches the docking block, the docking block slides in cooperation with the docking groove, a plurality of through holes are provided on the top surfaces of the first brick and the second brick, and the plurality of through holes are evenly distributed on the corresponding first brick and second brick.

[0006] As a preferred technical solution of the utility model, the docking block is a dovetail structure, and the horizontal section of the docking block is slidably connected to the inner wall of the docking groove.

[0007] As a preferred technical solution of the utility model, exhaust passages are provided on the inner sides of the first brick and the second brick, and the exhaust passages are communicated with all through holes inside the first brick and the second brick.

[0008] As a preferred technical solution of the present utility model, the exhaust passage is an annular structure, and the vertical cross-section of the exhaust passage is a rectangular structure.

[0009] As a preferred technical solution of the present invention, the internal structures of the first brick and the second brick are completely the same, and the sizes of the two are the same.

[0010] As a preferred technical solution of the utility model, the first brick includes a sealing layer, an alkaline cement layer is fixedly connected to the inner side of the sealing layer, an insulating layer is fixedly connected to the inner side of the alkaline cement layer, a waterproof adhesive layer is bonded to the inner side of the insulating layer, and a reinforcement layer is bonded to the inner side of the waterproof adhesive layer.

[0011] As a preferred technical solution of the utility model, the heat insulation layer is an asbestos heat insulation layer, and the reinforcement layer is an aluminum oxide reinforcement layer.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model can realize the quick connection between the first brick and the second brick by arranging the docking block and the docking groove. At the same time, the dovetail structure of the docking block can make the connection between the first brick and the second brick more compact and stable, effectively avoiding the problem of movement of the brick body during use;

[0014] 2. The utility model opens an annular exhaust passage inside the first brick and the second brick, so that all the through holes inside the first brick and the second brick are interconnected, which allows high-temperature smoke to flow quickly between the through holes during the firing process, thereby preventing the high-temperature smoke from staying in a single through hole for too long and causing damage to the inner wall of the through hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of a composite porous alkaline brick that is easy to fire according to the utility model;

[0016] Figure 2 It is a structural schematic diagram of a brick body of the utility model;

[0017] Figure 3 is a cross-sectional view of a first brick of the utility model;

[0018] Figure 4 This is a schematic structural diagram of the first brick of the utility model.

[0019] In the figure: 1, brick body; 11, first brick; 111, sealing layer; 112, alkaline cement layer; 113, thermal insulation layer; 114, waterproof adhesive layer; 115, reinforcement layer; 12, second brick; 13, through hole; 14, docking block; 15, docking groove; 16, exhaust channel. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figures 1 to 4 As shown, the utility model provides a composite porous alkaline brick that is easy to burn, including a brick body 1, the brick body 1 includes a first brick 11 and a second brick 12, one end of the second brick 12 is fixedly connected with a docking block 14, one end of the first brick 11 is provided with a docking groove 15 matching the docking block 14, the docking block 14 and the docking groove 15 are slidably matched, the top surfaces of the first brick 11 and the second brick 12 are provided with a plurality of through holes 13, the plurality of through holes 13 are evenly distributed on the corresponding first brick 11 and the second brick 12, the docking block 14 is a dovetail structure, and the horizontal section of the docking block 14 is slidably connected with the inner wall of the docking groove 15;

[0022] By setting the docking block 14 and cooperating with the docking groove 15, the first brick 11 and the second brick 12 can be quickly connected. At the same time, the docking block 14 adopts a dovetail structure to make the connection between the first brick 11 and the second brick 12 tighter and more stable, effectively avoiding the problem of movement of the brick body 1 during use.

[0023] Among them, the inner sides of the first brick 11 and the second brick 12 are both provided with an exhaust channel 16, and the exhaust channel 16 is connected with all the through holes 13 inside the first brick 11 and the second brick 12. The exhaust channel 16 is an annular structure, and the vertical cross-section of the exhaust channel 16 is a rectangular structure.

[0024] By opening an annular exhaust channel 16 inside the first brick 11 and the second brick 12, all the through holes 13 inside the first brick 11 and the second brick 12 are interconnected, so that high-temperature smoke can flow quickly between the through holes 13 during the firing process, avoiding the high-temperature smoke from staying in a single through hole 13 for too long and causing damage to the inner wall of the through hole 13.

[0025] Among them, the internal structures of the first brick 11 and the second brick 12 are completely the same, and the sizes of the two are the same. The first brick 11 includes a sealing layer 111, and the inner side of the sealing layer 111 is fixedly connected to an alkaline cement layer 112, and the inner side of the alkaline cement layer 112 is fixedly connected to an insulation layer 113, and the inner side of the insulation layer 113 is bonded with a waterproof adhesive layer 114, and the inner side of the waterproof adhesive layer 114 is bonded with a reinforcement layer 115. The insulation layer 113 is an asbestos insulation layer, and the reinforcement layer 115 is an aluminum oxide reinforcement layer.

[0026] By providing the sealing layer 111, the sealing performance of the outer layer of the brick body 1 can be improved, and the heat insulation layer 113 can improve the heat insulation performance of the brick body 1, thereby improving the heat insulation of the building wall; the waterproof adhesive layer 114 can improve the waterproofness of the building box, and the reinforcement layer 115 can improve the compressive strength of the brick body 1, thereby improving the service life of the brick body 1.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A composite porous alkaline brick that is easy to fire, comprising a brick body (1), characterized in that: The brick body (1) comprises a first brick (11) and a second brick (12); one end of the second brick (12) is fixedly connected to a docking block (14); one end of the first brick (11) is provided with a docking groove (15) matching the docking block (14); the docking block (14) and the docking groove (15) are slidably matched; a plurality of through holes (13) are provided on the top surfaces of the first brick (11) and the second brick (12); and the plurality of through holes (13) are evenly distributed on the corresponding first brick (11) and the second brick (12).

2. The composite porous alkaline brick that is easy to fire according to claim 1, characterized in that: The docking block (14) is a dovetail structure, and the horizontal section of the docking block (14) is slidably connected to the inner wall of the docking groove (15).

3. The composite porous alkaline brick that is easy to fire according to claim 1, characterized in that: An exhaust passage (16) is provided on the inner side of each of the first brick (11) and the second brick (12), and the exhaust passage (16) is communicated with all the through holes (13) inside the first brick (11) and the second brick (12).

4. The composite porous alkaline brick that is easy to fire according to claim 3 is characterized in that: The exhaust channel (16) is an annular structure, and the vertical cross section of the exhaust channel (16) is a rectangular structure.

5. The composite porous alkaline brick that is easy to fire according to claim 1, characterized in that: The first brick (11) and the second brick (12) have completely the same internal structure and are of the same size.

6. The composite porous alkaline brick that is easy to fire according to claim 5, characterized in that: The first brick (11) comprises a sealing layer (111), an alkaline cement layer (112) is fixedly connected to the inner side of the sealing layer (111), an insulating layer (113) is fixedly connected to the inner side of the alkaline cement layer (112), a waterproof adhesive layer (114) is bonded to the inner side of the insulating layer (113), and a reinforcement layer (115) is bonded to the inner side of the waterproof adhesive layer (114).

7. The composite porous alkaline brick that is easy to fire according to claim 6, characterized in that: The heat insulation layer (113) is an asbestos heat insulation layer, and the reinforcement layer (115) is an aluminum oxide reinforcement layer.

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