Refractory brick for hot air pipeline

Abstract

The utility model discloses a refractory brick for a hot air pipeline, which comprises a plurality of layers of refractory brick rings connected with each other, each layer of refractory brick ring comprises a positioning refractory brick, a connecting refractory brick and two main refractory bricks, and the main refractory bricks are connected to two ends of the positioning refractory brick. The two main body refractory bricks are conveniently connected to the two ends of the positioning refractory brick through the first connecting structure, and the connecting refractory brick is conveniently connected to the other ends of the two main body refractory bricks through the second connecting structure. And the first embedding blocks are inserted into the first embedding grooves, the second embedding blocks are inserted into the second embedding grooves, the assembling stability is good, the refractory bricks are assembled from top to bottom, cement laid on the lower-layer refractory brick ring is prevented from being separated, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of refractory bricks, in particular to a refractory brick for a hot air duct. Background Art

[0002] In order to prevent the hot air duct from being damaged, the hot air duct is generally constructed with refractory bricks. After searching, the Chinese patent announcement number: CN214664568U discloses a hot air duct combined refractory brick, including a refractory brick body, a mounting plate is attached to the right side of the refractory brick body, and a limiting hole is passed through the middle of the mounting plate, a mounting groove is opened on the left side of the refractory brick body, and a limiting rod is attached to the inner wall of the mounting groove, the mounting plate is inserted into the mounting groove, and the limiting rod passes through the limiting hole.

[0003] Although the above scheme is convenient for splicing refractory bricks and can improve the convenience of assembling and connecting refractory bricks, it still has some shortcomings. Each layer of the hot air duct is spliced ​​with multiple refractory bricks of the same structure. The mounting plate of one refractory brick is inserted into the mounting groove of another refractory brick, and the splicing is performed by passing the limiting rod through the limiting hole. The assembly method of the refractory bricks is a horizontal positioning connection, which causes the mounting plate to easily hinder the connection of the refractory bricks when the last refractory brick of each layer is connected, causing difficulties in the assembly of the refractory bricks. In addition, the horizontal connection method of the refractory bricks can easily cause the cement laid on the lower refractory bricks to be scraped off and detached, affecting the fixing effect of the refractory bricks. Utility Model Content

[0004] 1. Technical problems to be solved by the utility model

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a refractory brick for a hot air duct, aiming to solve the problem in the prior art that when the last refractory brick of each layer of the hot air duct is connected, the mounting plate easily hinders the connection of the refractory brick, causing difficulties in the assembly of the refractory bricks, and the cement laid on the refractory bricks is easily scraped off, affecting the fixation of the refractory bricks.

[0006] 2. Technical solution

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A refractory brick for a hot air duct, comprising multiple layers of connected refractory brick rings, each layer of the refractory brick ring comprising a positioning refractory brick, a connecting refractory brick and two main refractory bricks, the main refractory bricks are connected to both ends of the positioning refractory bricks, and the ends of the two main refractory bricks away from the positioning refractory bricks are connected by the same connecting refractory brick;

[0009] A first connection structure is provided between one end of the main refractory brick and the positioning refractory brick, and a second connection structure is provided between the other end of the main refractory brick and the connecting refractory brick;

[0010] A limited position structure is arranged between two adjacent layers of the refractory brick rings, wherein the positioning refractory bricks in the two adjacent layers of the refractory brick rings are arranged in a staggered manner;

[0011] Reinforcement pieces are embedded in the positioning refractory bricks, the connecting refractory bricks and the main refractory bricks.

[0012] Preferably, the first connecting structure includes a first connecting groove opened at the top of both ends of the positioning refractory brick and a first connecting block arranged at the top of one end of the main refractory brick, a first embedding groove is opened at the bottom end of the first connecting groove, and a first embedding block inserted into the first embedding groove is arranged at the bottom of the first connecting block.

[0013] Preferably, the second connecting structure includes a second connecting groove opened at the top of the other end of the main refractory brick and a second connecting block arranged at the top of both ends of the connecting refractory bricks, a second embedding groove is opened at the bottom end of the second connecting groove, and a second embedding block inserted into the second embedding groove is arranged at the bottom of the second connecting block.

[0014] Preferably, the volume of the first connection block is adapted to the first connection groove, and the volume of the second connection block is adapted to the second connection groove.

[0015] Preferably, the lower ends of the first embedded block and the second embedded block are both trapezoidal structures, and the cross-section gradually increases from bottom to top.

[0016] Preferably, the limiting structure includes limiting strips arranged on the outer and inner sides of the top of the positioning refractory bricks, the connecting refractory bricks and the main refractory bricks, and limiting grooves opened on the outer and inner sides of the bottom of the positioning refractory bricks, the connecting refractory bricks and the main refractory bricks, and the limiting strips are aligned and snapped into the limiting grooves.

[0017] Preferably, a positioning groove is provided at the limiting groove on the outer side of the positioning refractory brick, and a positioning block is provided on the inner wall of the limiting strip on the outer side of the positioning refractory brick, and the positioning block is aligned and inserted into the positioning groove.

[0018] Preferably, the reinforcement member comprises an arc-shaped reinforcement strip, on which a plurality of longitudinal reinforcement rods and transverse reinforcement rods are fixedly connected at equal intervals, and the longitudinal reinforcement rods and the transverse reinforcement rods are staggered.

[0019] 3. Beneficial effects

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] (1) The utility model facilitates the connection of two main refractory bricks to the two ends of the positioning refractory bricks through the first connection structure, and facilitates the connection refractory bricks to the other ends of the two main refractory bricks through the second connection structure, so as to quickly form a refractory brick ring. The first embedded block is inserted into the first embedded groove, and the second embedded block is inserted into the second embedded groove. The assembly is stable, and the refractory bricks are assembled from top to bottom to avoid the cement laid on the lower refractory brick ring from being separated, so the utility model is highly practical.

[0022] (2) The utility model provides a limiting structure to align and snap the limiting strips of the positioning refractory bricks, connecting refractory bricks and main refractory bricks in the upper refractory brick ring into the limiting grooves of the lower refractory brick ring, thereby limiting the positioning refractory bricks, connecting refractory bricks and main refractory bricks in the upper refractory brick ring during assembly to avoid positional deviation.

[0023] (3) The present invention improves the structural strength and compressive strength of the positioning refractory bricks, the connecting refractory bricks and the main refractory bricks by setting up the reinforcement member, which includes an arc-shaped reinforcement strip, a longitudinal reinforcement rod and a transverse reinforcement rod.

[0024] (4) The utility model is formed by separately firing the positioning refractory bricks, the connecting refractory bricks and the main refractory bricks, so it has a simple structure, is easy to produce and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall three-dimensional structure of refractory bricks for hot air ducts;

[0026] Figure 2 It is a schematic diagram of the refractory brick ring structure;

[0027] Figure 3 First-person perspective structural diagram for positioning refractory bricks, connecting refractory bricks and main refractory bricks;

[0028] Figure 4 A schematic diagram of the split structure from the second perspective for positioning refractory bricks, connecting refractory bricks and main refractory bricks;

[0029] Figure 5 Schematic diagram of the reinforcement structure.

[0030] In the figure: 1. Positioning refractory bricks; 101. First connecting groove; 102. First embedding groove; 2. Main refractory bricks; 201. First connecting block; 202. First embedding block; 203. Second connecting groove; 204. Second embedding groove; 3. Connecting refractory bricks; 301. Second connecting block; 302. Second embedding block; 4. Limiting strip; 5. Limiting groove; 6. Positioning block; 7. Positioning groove; 8. Reinforcement piece; 801. Arc reinforcement strip; 802. Longitudinal reinforcement rod; 803. Transverse reinforcement rod. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0032] Example:

[0033] See also Figure 1-Figure 5 The present embodiment provides a refractory brick for a hot air duct, comprising a plurality of refractory brick rings connected with each other, wherein the hot air duct is formed by axially connecting the plurality of refractory brick rings, wherein each refractory brick ring comprises a positioning refractory brick 1, a connecting refractory brick 3 and two main refractory bricks 2, wherein the main refractory brick 2 is connected to both ends of the positioning refractory brick 1, and the ends of the two main refractory bricks 2 away from the positioning refractory brick 1 are connected through the same connecting refractory brick 3, a first connecting structure is provided between one end of the main refractory brick 2 and the positioning refractory brick 1, and a second connecting structure is provided between the other end of the main refractory brick 2 and the connecting refractory brick 3, wherein the first connecting structure facilitates the connection of the two main refractory bricks 2 to both ends of the positioning refractory brick 1, and the second connecting structure facilitates the connection of the connecting refractory brick 3 to the other ends of the two main refractory bricks 2, thereby quickly forming a refractory brick ring and improving the construction efficiency of the hot air duct;

[0034] A limiting structure is arranged between two adjacent layers of refractory brick rings, and the limiting structure is used to limit the two layers of refractory brick rings during assembly to avoid displacement of the assembly positions of the two layers of refractory brick rings, wherein the positioning refractory bricks 1 in the two adjacent layers of refractory brick rings are staggered, so that the positioning refractory bricks 1, the connecting refractory bricks 3 and the two main refractory bricks 2 in the two layers of refractory brick rings are all staggeredly assembled, to avoid the joints of the positioning refractory bricks 1, the connecting refractory bricks 3 and the two main refractory bricks 2 being located on the same line, thereby improving the stability of the hot air duct.

[0035] In this embodiment, if Figure 2 , Figure 3 and Figure 4As shown, the first connection structure includes a first connection groove 101 opened at the top of both ends of the positioning refractory brick 1 and a first connection block 201 arranged at the top of one end of the main refractory brick 2, a first embedding groove 102 is opened at the bottom of the first connection groove 101, and a first embedding block 202 inserted into the first embedding groove 102 is arranged at the bottom of the first connection block 201, and the second connection structure includes a second connection groove 203 opened at the top of the other end of the main refractory brick 2 and a second connection block 301 arranged at the top of both ends of the connecting refractory brick 3, a second embedding groove 204 is opened at the bottom of the second connection groove 203, and a second embedding block 302 inserted into the second embedding groove 204 is arranged at the bottom of the second connection block 301. When connecting and assembling, first fix the position of the positioning refractory brick 1, and then connect the main refractory brick 2 is assembled with the positioning refractory brick 1 from top to bottom, the first connecting block 201 is inserted into the first connecting groove 101, and the first embedding block 202 is inserted into the first embedding groove 102, so as to realize the rapid positioning and assembly of the main refractory brick 2 and the positioning refractory brick 1. After the main refractory brick 2 is assembled and connected with the positioning refractory brick 1, the connecting refractory brick 3 is assembled from top to bottom at the end of the two main refractory bricks 2 away from the positioning refractory brick 1, the second connecting block 301 is inserted into the second connecting groove 203, and the second embedding block 302 is inserted into the second embedding groove 204, so as to realize the rapid positioning and assembly of the connecting refractory brick 3 and the two main refractory bricks 2 to form a whole refractory brick ring, with good assembly stability, and through the assembly method from top to bottom, it is avoided that the cement laid on the lower refractory brick ring is separated, and the practicality is high.

[0036] In this embodiment, the volume of the first connecting block 201 is adapted to the first connecting groove 101 , and the volume of the second connecting block 301 is adapted to the second connecting groove 203 , so that the positioning refractory brick 1 , the main refractory brick 2 and the main refractory brick 2 have a good fit.

[0037] In this embodiment, if Figure 4 As shown, the lower ends of the first embedded block 202 and the second embedded block 302 are both trapezoidal structures, and the cross-section gradually increases from bottom to top. When assembling and connecting, the ends of the first embedded block 202 and the second embedded block 302 with smaller cross-sections are first inserted into the first embedded groove 102 and the second embedded groove 204, so that there is a certain allowable misalignment space during assembly, which improves the convenience of assembly.

[0038] In this embodiment, if Figure 3 and Figure 4As shown, the limiting structure includes limiting strips 4 arranged on the outer and inner sides of the top of the positioning refractory bricks 1, the connecting refractory bricks 3 and the main refractory bricks 2, and limiting grooves 5 opened on the outer and inner sides of the bottom of the positioning refractory bricks 1, the connecting refractory bricks 3 and the main refractory bricks 2. The limiting strips 4 are aligned and snapped into the limiting grooves 5. When the multi-layer refractory brick rings are assembled and connected, the limiting strips 4 for positioning the refractory bricks 1, the connecting refractory bricks 3 and the main refractory bricks 2 in the upper refractory brick ring are aligned and snapped into the limiting grooves 5 of the lower refractory brick ring, thereby limiting the positioning refractory bricks 1, the connecting refractory bricks 3 and the main refractory bricks 2 in the upper refractory brick ring during assembly to avoid position deviation.

[0039] In this embodiment, if Figure 3 and Figure 4 As shown, a positioning groove 7 is provided at the limiting groove 5 on the outer side of the positioning refractory brick 1, and a positioning block 6 is provided on the inner wall of the limiting strip 4 on the outer side of the positioning refractory brick 1, and the positioning block 6 is aligned and snapped into the positioning groove 7. When assembling and connecting the upper refractory brick ring, it is necessary to pay attention to the assembly position of the positioning refractory brick 1, and the positioning refractory brick 1 in the upper refractory brick ring and the positioning refractory brick 1 in the lower refractory brick ring are assembled in a staggered manner. The upper positioning refractory brick 1 can be assembled on the top of any main refractory brick 2, and the positioning groove 7 of the positioning refractory brick 1 is aligned and snapped into the positioning block 6 of the main refractory brick 2 to limit the position of the positioning refractory brick 1, so as to ensure the staggered assembly of the upper and lower refractory brick rings, thereby further improving the convenience of assembly.

[0040] In this embodiment, if Figure 5 As shown, reinforcement members 8 are embedded in the positioning refractory bricks 1, the connecting refractory bricks 3 and the main refractory bricks 2. The reinforcement members 8 include arcuate reinforcement strips 801. The arcuate reinforcement strips 801 are adapted to the shapes of the corresponding positioning refractory bricks 1, the connecting refractory bricks 3 and the main refractory bricks 2. A plurality of longitudinal reinforcement rods 802 and transverse reinforcement rods 803 are fixedly connected at equal intervals on the arcuate reinforcement strips 801. The longitudinal reinforcement rods 802 and the transverse reinforcement rods 803 are staggered. The structural strength and compressive strength of the positioning refractory bricks 1, the connecting refractory bricks 3 and the main refractory bricks 2 are improved by the arcuate reinforcement strips 801, the longitudinal reinforcement rods 802 and the transverse reinforcement rods 803.

[0041] In this embodiment, the limiting strip 4 on the positioning refractory brick 1 is integrally formed with the positioning refractory brick 1, the limiting strip 4 on the first connecting block 201, the first embedded block 202 and the main refractory brick 2 is integrally formed with the main refractory brick 2, the second connecting block 301, the second embedded block 302 and the limiting strip 4 on the connecting refractory brick 3 is integrally formed with the connecting refractory brick 3, and can be fired and formed at one time through a refractory brick mold. During the firing and forming process, the reinforcement part 8 is pre-embedded in the positioning refractory brick 1, the main refractory brick 2 and the connecting refractory brick 3, which has a simple structure, convenient production and good practicality.

[0042] Working principle: When assembling and connecting the hot air duct, fix the position of the positioning refractory brick 1, then assemble the main refractory brick 2 with the positioning refractory brick 1 from top to bottom, insert the first connecting block 201 into the first connecting groove 101, and insert the first embedding block 202 into the first embedding groove 102, quickly position and assemble the two main refractory bricks 2 with the positioning refractory brick 1, after the main refractory brick 2 is assembled and connected with the positioning refractory brick 1, assemble the connecting refractory brick 3 from top to bottom at the end of the two main refractory bricks 2 away from the positioning refractory brick 1, insert the second connecting block 301 into the second connecting groove 203, and insert the second embedding block 302 into the second embedding groove 204, quickly position and assemble the connecting refractory brick 3 with the two main refractory bricks 2, and assemble. A whole refractory brick ring is formed as the first layer, and then a positioning refractory brick 1 is taken to be assembled on the top of any main refractory brick 2, and the positioning groove 7 of the positioning refractory brick 1 is aligned and inserted into the positioning block 6 of the main refractory brick 2 to limit the position of the positioning refractory brick 1, and then according to the above-mentioned assembly method, two main refractory bricks 2 and a connecting refractory brick 3 are assembled and connected to form a second layer of refractory brick ring, and then according to the above-mentioned assembly method, multiple layers of connected refractory brick rings are assembled to form a hot air duct. The refractory bricks of the utility model have good assembly stability. Through the assembly method from top to bottom, the cement laid on the lower refractory brick ring can be avoided from being separated, the position of the refractory bricks can be avoided from being offset, the stability of the hot air duct is improved, and the construction efficiency of the hot air duct is improved.

[0043] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A refractory brick for hot air duct, characterized in that: It comprises a plurality of connected refractory brick rings, each of which comprises a positioning refractory brick (1), a connecting refractory brick (3) and two main refractory bricks (2), wherein the main refractory brick (2) is connected to both ends of the positioning refractory brick (1), and the ends of the two main refractory bricks (2) away from the positioning refractory brick (1) are connected via the same connecting refractory brick (3); A first connection structure is provided between one end of the main refractory brick (2) and the positioning refractory brick (1), and a second connection structure is provided between the other end of the main refractory brick (2) and the connecting refractory brick (3); A limited position structure is arranged between two adjacent layers of the refractory brick rings, wherein the positioning refractory bricks (1) in the two adjacent layers of the refractory brick rings are arranged in a staggered manner; Reinforcement components (8) are embedded in the positioning refractory bricks (1), the connecting refractory bricks (3) and the main refractory bricks (2).

2. The refractory brick for hot air duct according to claim 1, characterized in that: The first connection structure comprises a first connection groove (101) provided at the top of both ends of the positioning refractory brick (1) and a first connection block (201) provided at the top of one end of the main refractory brick (2); a first embedding groove (102) is provided at the bottom end of the first connection groove (101); and a first embedding block (202) is provided at the bottom of the first connection block (201) and is inserted into the first embedding groove (102).

3. The refractory brick for hot air duct according to claim 2, characterized in that: The second connection structure comprises a second connection groove (203) provided at the top of the other end of the main refractory brick (2) and a second connection block (301) provided at the top of both ends of the connection refractory brick (3); a second embedding groove (204) is provided at the bottom end of the second connection groove (203); and a second embedding block (302) is provided at the bottom of the second connection block (301) and is inserted into the second embedding groove (204).

4. The refractory brick for hot air duct according to claim 3, characterized in that: The volume of the first connection block (201) is adapted to the first connection groove (101), and the volume of the second connection block (301) is adapted to the second connection groove (203).

5. The refractory brick for hot air duct according to claim 4, characterized in that: The lower ends of the first embedded block (202) and the second embedded block (302) are both trapezoidal structures, and the cross-sections gradually increase from bottom to top.

6. The refractory brick for hot air duct according to claim 1, characterized in that: The limiting structure comprises limiting strips (4) arranged on the outer side and inner side of the top of the positioning refractory brick (1), the connecting refractory brick (3) and the main refractory brick (2), and limiting grooves (5) opened on the outer side and inner side of the bottom of the positioning refractory brick (1), the connecting refractory brick (3) and the main refractory brick (2), and the limiting strips (4) are aligned and snapped into the limiting grooves (5).

7. The refractory brick for hot air duct according to claim 6, characterized in that: A positioning groove (7) is provided at the limiting groove (5) outside the positioning refractory brick (1), and a positioning block (6) is provided on the inner wall of the limiting strip (4) outside the positioning refractory brick (1), and the positioning block (6) is aligned and snapped into the positioning groove (7).

8. The refractory brick for hot air duct according to claim 1, characterized in that: The reinforcing member (8) comprises an arc-shaped reinforcing strip (801), on which a plurality of longitudinal reinforcing rods (802) and transverse reinforcing rods (803) are fixedly connected at equal intervals, and the longitudinal reinforcing rods (802) and transverse reinforcing rods (803) are arranged in an alternating manner.

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