CN219753666U

CN219753666U - Combined refractory brick for hot air pipeline

Info

Publication number: CN219753666U
Application number: CN202321145671.8U
Authority: CN
Inventors: 白琦莹; 蔡瑞方; 贺胜利; 刘建新; 李占伟
Original assignee: Gongyi Tianyu Refractory Materials Co ltd
Current assignee: Gongyi Tianyu Refractory Materials Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-09-26
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses a hot air pipeline combined refractory brick which comprises a main body and a fixing groove, wherein the fixing groove is formed in the outer wall of one side of the main body, a first rod is arranged at the top and the bottom of the fixing groove in a penetrating mode, one end of the first rod is an inclined surface, a first spring is arranged on the outer wall of the first rod in a surrounding mode, one end of the first spring is connected with the outer wall of the fixing groove, and a fixing hole is formed in the top of the main body. According to the utility model, the connecting function can be realized by installing the insert blocks and the fixing grooves, the clamping grooves are formed in the top and the bottom of the insert blocks, when two refractory bricks are connected, the insert blocks are inserted into the fixing grooves, then the insert blocks extrude the first rod to shrink so as to drive the first spring to stretch, the insert blocks continue to move, and when the clamping grooves move to the upper part of the first rod, the first spring shrinks so as to drive the first rod to be inserted into the clamping grooves, and the two refractory bricks are connected, so that the connecting function is realized, and the falling of the refractory bricks caused by looseness is prevented.

Description

Combined refractory brick for hot air pipeline

Technical Field

The utility model relates to the technical field of refractory bricks, in particular to a hot air pipeline combined refractory brick.

Background

Refractory materials are generally divided into two types, namely unshaped refractory materials and shaped refractory materials. The unshaped refractory material is also called as castable, is mixed powder particles composed of various aggregates or aggregates and one or more bonding agents, and has stronger fluidity when in use, and the unshaped refractory material is required to be mixed with one or more liquids. The shaped refractory material is generally refractory brick, and its shape is standard and regular, and may be also machined temporarily when it is needed, and the hot air pipeline is used to convey and distribute hot air from hot blast stove to the tuyere devices of blast furnace. Hot air (1000 ℃ -1280 ℃) from the hot blast stoves is firstly converged into a hot air main pipe through a hot air branch pipe connected with each hot blast stove, then enters a hot air enclosure pipe which is arranged outside the blast furnace body in a surrounding mode through an air mixing chamber or a vertical pipe, hot air in the hot air enclosure pipe enters a blast furnace tuyere through an air supply branch pipe device distributed around the blast furnace, a lining structure of the hot air pipeline generally adopts a refractory spray coating layer, refractory fibers, light heat insulation refractory bricks and a working layer ductile mullite brick, and the air supply branch pipe adopts casting materials for casting. The ductile mullite bricks of the pipeline working layer are generally laid by adopting circular seams, and also have a staggered seam laying mode respectively. The three-fork or connecting port for connecting each part (hot air branch pipe, hot air main pipe, air mixing chamber or vertical pipe, hot air bustle pipe, air supply branch pipe and manhole) on the hot air pipeline adopts a combined brick structure.

The utility model discloses a hot air duct combined refractory brick, which is characterized in that a protection weight item is effectively used for solving the problems of building, deformation and short service life of the hot air duct, the hot air duct is built by the combined refractory brick, the combined refractory brick is composed of T-shaped refractory bricks, left-blade-type refractory bricks, right-blade-type refractory bricks and arch wedge-type refractory bricks, two inclined planes on the left side of the T-shaped refractory bricks are arranged in the two inclined planes on the right side of the right-blade-type refractory bricks, the two inclined planes on the left side of the left-blade-type refractory bricks are built in the two inclined planes on the right side of the T-shaped refractory bricks, raised strips on the left side of the right-blade-type refractory bricks are arranged in grooves on the left side of the arch wedge-type refractory bricks, the built hot air duct has long service life, is not influenced by large temperature difference, shrinkage and expansion of the duct and poor working condition, the hot air duct is not dropped, the heat change times is reduced, the maintenance cost is reduced, and great economic benefit is achieved;

in summary, when the refractory bricks are installed and piled, materials such as cement are often needed to be bonded, but the materials after high-temperature baking become brittle, the bonding degree is reduced, the refractory bricks are easy to fall off or move, and the hot air pipeline is easy to collapse.

Disclosure of Invention

The utility model aims to provide a hot air pipeline combined refractory brick, which solves the technical problem that the brick body in the background technology is easy to fall off.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hot air duct combination is able to bear or endure firebrick, includes main part and fixed slot, one side outer wall of main part is equipped with the fixed slot, the top and the bottom of fixed slot all run through and install a pole, and the one end of a pole is the inclined plane, the outer wall of a pole encircles installs first spring, and the one end and the outer wall connection of fixed slot of first spring, the top of main part is equipped with the fixed orifices.

Preferably, the other side outer wall of the main body is provided with an inserting block, the top of the inserting block is provided with a round hole, and the top and the bottom of the inserting block are respectively provided with a clamping groove.

Preferably, the inner wall of the fixing hole is provided with a limiting rod in a penetrating mode, and the outer wall of the limiting rod is provided with a limiting groove.

Preferably, a plurality of anti-skid blocks are arranged on the outer wall of one side of the main body, and an anti-skid groove is arranged on the outer wall of the other side of the main body.

Preferably, the inner bottom wall of the main body is provided with a fixer, the inner rear wall of the fixer is provided with a first guide wheel, the inner rear wall of the fixer is provided with a second guide wheel, the outer wall of the second guide wheel is circumferentially provided with a cable, the first guide wheel is connected with the second guide wheel through the cable, and the outer wall of the fixer is provided with a moving rod in a penetrating way.

Preferably, the outer wall of the moving rod is provided with a second spring in a surrounding manner.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the connecting function can be realized by installing the insert blocks and the fixing grooves, the top and the bottom of each insert block are respectively provided with the clamping grooves, when two refractory bricks are connected, the insert blocks are inserted into the fixing grooves, then the insert blocks extrude the first rod to shrink so as to drive the first spring to stretch, the insert blocks continue to move, and when the clamping grooves move to the upper part of the first rod, the first spring shrinks so as to drive the first rod to be inserted into the clamping grooves, and the two refractory bricks are connected, so that the connecting function is realized, and the falling of the refractory bricks caused by loosening is prevented;

2. according to the utility model, the limiting function can be realized by installing the fixer, after the connection of the two groups of refractory bricks is finished, the limiting rod is inserted into the fixing hole, the limiting rod penetrates through the fixing hole and the round hole, the bottom of the limiting rod enters into the fixer, the limiting rod extrudes the cable, the cable moves downwards, the moving rod is pulled to move by the first guide wheel and the second guide wheel, the moving rod moves to drive the second spring to shrink, so that the moving rod is inserted into the limiting groove, the two groups of refractory bricks are limited, the falling of the two groups of refractory bricks is prevented, and the anti-skid groove and the anti-skid block can be prevented from falling when the refractory bricks are taken.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic side view of a portion of the structure of the present utility model;

FIG. 3 is a schematic view of a portion of the structure of a fastener of the present utility model;

fig. 4 is a schematic top view of a part of the structure of the present utility model.

In the figure: 1. a main body; 101. inserting blocks; 102. a round hole; 103. a clamping groove; 2. a fixing hole; 201. a limit rod; 202. a limit groove; 3. an anti-skid block; 301. an anti-skid groove; 4. a fixing groove; 401. a first rod; 402. a first spring; 5. a holder; 501. a first guide wheel; 502. a cable; 503. a second guide wheel; 6. a moving rod; 601. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 and 2, an embodiment of the present utility model is provided: the utility model provides a hot air duct makes up resistant firebrick, includes main part 1 and fixed slot 4, one side outer wall of main part 1 is equipped with fixed slot 4, the top and the bottom of fixed slot 4 all run through and install a pole 401, and the one end of a pole 401 is the inclined plane, a pole 401's outer wall encircles and installs first spring 402, and the one end and the outer wall connection of fixed slot 4 of first spring 402, the top of main part 1 is equipped with fixed orifices 2, the inserted block 101 is installed to the opposite side outer wall of main part 1, and the top of inserted block 101 is equipped with round hole 102, and the top and the bottom of inserted block 101 all are equipped with draw-in groove 103, when connecting two resistant firebricks, insert the inserted block 101 into fixed slot 4, then the shrinkage of inserted block 101 extrusion a pole 401 drives first spring 402 and extends, and inserted block 101 continues to remove, and when draw-in groove 103 moves to the top of a pole 401, and first spring 402 shrink drives a pole 401 and inserts in the draw-in groove 103, connects two resistant firebrick, realizes the connection function, prevents to loosen and lead to resistant firebrick.

Referring to fig. 3 and 4, the inner wall of the fixing hole 2 is penetrated and installed with a limit rod 201, the outer wall of the limit rod 201 is provided with a limit groove 202, one side outer wall of the main body 1 is installed with a plurality of anti-slip blocks 3, the other side outer wall of the main body 1 is provided with an anti-slip groove 301, the inner bottom wall of the main body 1 is installed with a fixing device 5, the inner rear wall of the fixing device 5 is installed with a first guide wheel 501, the inner rear wall of the fixing device 5 is installed with a second guide wheel 503, the outer wall of the second guide wheel 503 is surrounded and installed with a cable 502, the first guide wheel 501 is connected with the second guide wheel 503 through the cable, the outer wall of the fixing device 5 is penetrated and installed with a movable rod 6, the outer wall of the movable rod 6 is surrounded and installed with a second spring 601, after two groups of refractory bricks are connected, the limit rod 201 is inserted into the fixing hole 2, the limit rod 201 passes through the fixing hole 2 and the round hole 102, the bottom of the limit rod 201 enters into the fixing device 5, the cable 502 is extruded by the limit rod 201 to move downwards, the cable 502 pulls the refractory bricks 501, the movable rod 6 is pulled by the first wheel and the second guide wheel 503 to move the movable rod 6, and the movable rod 6 is pulled by the second spring 601 to be prevented from moving to be retracted, and the two groups of the anti-slip blocks are prevented from falling off, and the slide blocks 6 are prevented from moving when the movable rod 6 is retracted, and the movable rod 6 is prevented from falling.

After the connection of the two groups of refractory bricks is completed, the limiting rod 201 is inserted into the fixing hole 2, the limiting rod 201 penetrates through the fixing hole 2 and the round hole 102, the bottom of the limiting rod 201 enters the fixing device 5, the limiting rod 201 extrudes the cable 502, the cable 502 moves downwards, the moving rod 6 is pulled to move through the first guide wheel 501 and the second guide wheel 503, the moving rod 6 moves to drive the second spring 601 to shrink, the moving rod 6 is inserted into the limiting groove 202, the two groups of refractory bricks are limited, the falling is prevented, and the anti-slip groove 301 and the anti-slip block 3 can be prevented from slipping when the refractory bricks are taken.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a hot air duct combination refractory brick, includes main part (1) and fixed slot (4), its characterized in that: one side outer wall of main part (1) is equipped with fixed slot (4), the top and the bottom of fixed slot (4) all run through and install a pole (401), and the one end of a pole (401) is the inclined plane, the outer wall of a pole (401) encircles installs first spring (402), and the one end and the outer wall connection of fixed slot (4) of first spring (402), the top of main part (1) is equipped with fixed orifices (2).

2. The hot blast conduit unit refractory brick of claim 1, wherein: the other side outer wall of the main body (1) is provided with an inserting block (101), the top of the inserting block (101) is provided with a round hole (102), and the top and the bottom of the inserting block (101) are provided with clamping grooves (103).

3. The hot blast conduit unit refractory brick of claim 1, wherein: the inner wall of the fixed hole (2) is provided with a limiting rod (201) in a penetrating mode, and the outer wall of the limiting rod (201) is provided with a limiting groove (202).

4. The hot blast conduit unit refractory brick of claim 1, wherein: a plurality of anti-skid blocks (3) are arranged on the outer wall of one side of the main body (1), and anti-skid grooves (301) are formed in the outer wall of the other side of the main body (1).

5. The hot blast conduit unit refractory brick of claim 1, wherein: the inner bottom wall of the main body (1) is provided with a fixer (5), the inner rear wall of the fixer (5) is provided with a first guide wheel (501), the inner rear wall of the fixer (5) is provided with a second guide wheel (503), the outer wall of the second guide wheel (503) is provided with a cable (502) in a surrounding mode, the first guide wheel (501) is connected with the second guide wheel (503) through the cable, and the outer wall of the fixer (5) is provided with a moving rod (6) in a penetrating mode.

6. The hot blast conduit unit refractory brick of claim 5, wherein: the outer wall of the movable rod (6) is circumferentially provided with a second spring (601).