Rotary kiln lining precast block

By introducing a fastener connection method with an inward shrinkage compensation zone into the precast blocks of the rotary kiln lining, the problem of space occupation during precast block fixing is solved, construction efficiency and refractory stability are improved, and the strength and impact resistance of the precast blocks are enhanced.

CN223691516UActive Publication Date: 2025-12-19PUYANG REFRACTORIES GRP CO LTD
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Patent Information

Application Number
CN202520000046.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-01
Publication Date
2025-12-19
Estimated Expiration
2035-01-01

AI Technical Summary

Technical Problem

When existing precast blocks are fixed in a rotary kiln, the anchoring hooks occupy the space on both sides, making it impossible to freely combine them with other brick types, which affects construction efficiency and refractory stability.

Method used

A precast block for rotary kiln lining is designed, which uses a fastener in the inward shrinkage compensation zone to connect with the inner wall of the rotary kiln. After the fastener is welded to the inner wall, it does not occupy the space on both sides of the precast block. The strength and impact resistance of the precast block are improved by connecting parts and anchors.

Benefits of technology

It enables the free combination of precast blocks with other brick types, shortens the construction cycle, enhances the strength and service life of refractory materials, and prevents them from falling off.

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Abstract

The utility model discloses a rotary kiln furnace lining precast block which comprises a precast block body, a fixing piece is arranged on the wall face, connected with the inner wall of a rotary kiln, of the precast block body, and the fixing piece is fixedly connected with the precast block body. An inward shrinkage compensation area is formed between the fixing piece and the inner wall of the rotary kiln, and the inward shrinkage compensation area shrinks from the surface of the precast block body to the interior of the precast block body; the precast block body is fixedly connected with the inner wall of the rotary kiln through the fixing piece, and the connecting position of the fixing piece and the inner wall of the rotary kiln is located at the inward shrinkage compensation area of the fixing piece. By arranging the inward shrinkage compensation area, after the fixing piece is welded to the rotary kiln, the inward shrinkage compensation area can improve the welding strength and does not occupy the space on the two sides of the precast block, the two sides of the precast block can be randomly built with other brick types in a matched mode, and the construction period can be shortened; and the impact resistance is higher.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rotary kiln refractory furnace lining technical field, specifically a rotary kiln furnace lining precast block. BACKGROUND

[0002] Rotary kiln masonry mode is divided into full brick masonry, full castable pouring, castable and precast block matching or precast block and wedge-shaped brick matching. In the prior art, the two sides of the precast block have anchor hooks extending from the inside, and the side wall of the precast block extends by 3-5 centimeters, so as to facilitate fixing. After the anchor hooks are welded with the inner wall of the rotary kiln, the space on the two sides of the precast block is occupied, so that the two sides of the precast block cannot be masonry. UTILITY MODEL CONTENTS

[0003] Therefore, the utility model wants to solve the technical problem of providing a rotary kiln furnace lining precast block which does not occupy any space outside the precast block and can be matched with other brick types on the two sides.

[0004] In order to solve the above technical problems, the utility model provides the following technical scheme: a rotary kiln furnace lining precast block, which comprises a precast block body, a fixing piece is arranged on the wall surface of the precast block body connected with the inner wall of the rotary kiln, and the fixing piece is fixedly connected with the precast block body; an inwardly recessed compensation area is formed between the fixing piece and the inner wall of the rotary kiln, and the inwardly recessed compensation area is recessed from the surface of the precast block body to the inside of the precast block body; the precast block body is fixedly connected with the inner wall of the rotary kiln through the fixing piece, and the connection position of the fixing piece and the inner wall of the rotary kiln is located at the inwardly recessed compensation area of the fixing piece.

[0005] The fixing piece is arranged on the bottom wall surface of the precast block body and the inner wall of the rotary kiln.

[0006] The edge of the fixing piece extends in the direction of the side wall surface adjacent to the bottom wall surface, and the edge of the fixing piece is bent inwardly to form the inwardly recessed compensation area.

[0007] The surface of the precast block body and the inner wall of the rotary kiln is a bottom wall surface, and the fixing piece is arranged on the side wall surface adjacent to the bottom wall surface.

[0008] One side of the fixing piece extends in the direction of the inner wall of the rotary kiln and is bent inwardly to form the inwardly recessed compensation area.

[0009] The rotary kiln lining prefabricated block has the following beneficial technical effects:

[0010] The rotary kiln lining prefabricated block has the following beneficial technical effects:

[0011] The rotary kiln lining prefabricated block has the following beneficial technical effects:

[0012] The rotary kiln lining prefabricated block has the following beneficial technical effects:

[0013] The rotary kiln lining prefabricated block has the following beneficial technical effects:

[0014] The rotary kiln lining prefabricated block has the following beneficial technical effects:

[0015] 1. By setting the inner shrinkage compensation area, the welding strength can be improved after the fixing part is welded with the rotary kiln, and the inner shrinkage compensation area does not occupy the space on both sides of the prefabricated block, so that the prefabricated block can be freely arranged with other brick types, the construction period is shortened, and the refractory material is more firm and not easy to fall off.

[0016] 2. By setting the connecting piece, the fixing seat and the anchor, the prefabricated block body 1 is more firm and has stronger impact resistance, is not easy to peel off and fall off, the fixing seat can reduce the stress of the anchor in the prefabricated block, and the service life of the prefabricated block is increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The front view structural schematic diagram of the utility model discloses;

[0018] Figure 2 The side view structural schematic diagram of the utility model discloses;

[0019] Figure 3 The three-dimensional structural schematic diagram of the utility model discloses;

[0020] Figure 4 The perspective structure schematic view of the utility model discloses a fixed seat and the structure schematic view of anchoring piece;

[0021] Figure 5 The perspective structure schematic view of the utility model discloses a fixed seat and the structure schematic view of anchoring piece;

[0022] Figure 6 The perspective structure schematic view of the utility model discloses a fixed seat and the structure schematic view of anchoring piece;

[0023] Figure 7 The perspective structure schematic view of the utility model discloses a fixed seat and the structure schematic view of anchoring piece.

[0024] The figure mark is shown as follows: 1-precast block body;2-fixed piece;3-inner shrinkage compensation zone;4-matching groove;5-matching block;6-connector;7-fixed seat;8-anchoring piece;9-bottom wall surface;10-lateral wall surface. DETAILED DESCRIPTION

[0025] Embodiment 1

[0026] The precast block of the rotary kiln in this embodiment comprises a precast block body 1, which is wedge-shaped, that is, among the four lateral walls of the precast block body 1, two opposite lateral walls are parallel to each other, and the distance between the other two opposite lateral walls decreases from one end close to the inner wall of the rotary kiln to the other end. On the two opposite lateral walls, a matching groove 4 is arranged on one lateral wall, and a matching block 5 is arranged on the other lateral wall. When multiple precast blocks are arranged, the matching groove 4 and the matching block 5 can be connected by concave-convex matching, so that two single bodies are combined to form a whole and are not easy to fall off. After the matching groove 4 and the matching block 5 are matched, a matching gap is formed between the matching groove 4 and the matching block 5, and the two single bodies can be matched more tightly by using fire mud to fill the gap.

[0027] The precast block body 1 is connected to the wall surface of the inner wall of the rotary kiln, and a fixed piece 2 is arranged on the wall surface. The fixed piece 2 is fixedly connected to the precast block body 1. An inner shrinkage compensation zone 3 is formed between the fixed piece 2 and the inner wall of the rotary kiln. The inner shrinkage compensation zone 3 is shrunk from the surface of the precast block body 1 to the inside of the precast block body 1. The precast block body 1 is fixedly connected to the inner wall of the rotary kiln through the fixed piece 2, and the connection position of the fixed piece 2 and the inner wall of the rotary kiln is located at the inner shrinkage compensation zone 3 of the fixed piece 2.

[0028] Most preferably, the surface of the prefabricated block body 1 that is attached to the inner wall of the rotary kiln is the bottom wall surface 9, the side wall surface adjacent to the bottom wall surface 9 is the side wall surface 10, the fixing member 2 is arranged on the bottom wall surface 9, and one side of the fixing member 2 extends towards the side wall surface 10 and is bent to be attached to the side wall surface 10; the fixing member 2 is provided with an outer chamfer at the bent position, the space between the outer chamfer and the inner wall of the rotary kiln is the inwardly-recessed compensation area 3, and the prefabricated block body 1 is fixedly connected with the fixing member 2 on both sides, after the fixing member 2 is welded to the rotary kiln, the inwardly-recessed compensation area 3 can improve the welding strength and does not occupy the space on both sides of the prefabricated block, so that the two sides can be freely arranged with other bricks, which is beneficial to shorten the construction period and make the refractory material more firm and not easy to fall off.

[0029] The bottom wall surface 9 of the prefabricated block body 1 that is attached to the inner wall of the rotary kiln is fixedly connected with the connecting member 6, and the two ends of the connecting member 6 are fixedly connected with the fixing members 2 on both sides; the prefabricated block body 1 is provided with the fixing seat 7, which can be fan-shaped, trapezoidal, triangular, parallelogram-shaped or circular, etc., the fixing seat 7 can reduce the stress of the anchoring member in the prefabricated block and increase the service life of the prefabricated block; the fixing seat 7 is fixedly connected with the connecting member 6, the fixing seat 7 is fixedly connected with the anchoring member 8, the anchoring member 8 is closely combined with the prefabricated block body 1, and the free end of the anchoring member 8 extends in the prefabricated block body 1; the anchoring member 8 can be U-shaped, Y-shaped, X-shaped, V-shaped, M-shaped, L-shaped, Z-shaped or trapezoidal, etc., so that the prefabricated block body 1 has higher strength and better impact resistance and is not easy to peel off or fall off.

[0030] Embodiment 2

[0031] The prefabricated block for lining a rotary kiln in this embodiment is different from that in Embodiment 1 in that the fixing member 2 is arranged on the bottom wall surface 9 of the prefabricated block body 1 that is attached to the inner wall of the rotary kiln, the edge of the fixing member 2 extends towards the side wall surface 10 adjacent to the bottom wall surface 9, and the edge of the fixing member 2 is bent inwardly to form the inwardly-recessed compensation area 3, and the position of the inwardly-recessed compensation area 3 is preferably arranged at the position adjacent to the side wall surface 10, which is convenient for construction.

[0032] Embodiment 3

[0033] The prefabricated block for lining a rotary kiln in this embodiment is different from that in Embodiment 1 in that the surface of the prefabricated block body 1 that is attached to the inner wall of the rotary kiln is the bottom wall surface 9, the fixing member 2 is arranged on the side wall surface 10 adjacent to the bottom wall surface 9, one side of the fixing member 2 extends towards the inner wall of the rotary kiln and is bent inwardly to form the inwardly-recessed compensation area 3, and the inwardly-recessed compensation area 3 is preferably arranged at one end that contacts the inner wall of the rotary kiln.

[0034] Embodiment 4

[0035] The rotary kiln lining precast block in this embodiment differs from that in Embodiment 1 in that the surface of the precast block body 1 that is attached to the inner wall of the rotary kiln is the bottom wall surface 9, a chamfer is provided at the joint between the bottom wall surface 9 and the side wall surface 10 adjacent to the bottom wall surface 9, and the fixing member 2 is arranged on the chamfer and forms the inwardly recessed compensation area 3 between the fixing member 2 and the inner wall of the rotary kiln.

[0036] Obviously, the above embodiments are merely examples for clearly illustrating the present application and are not intended to limit the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, it is not necessary and also impossible to enumerate all the embodiments. The changes or variations that can be easily inferred still fall within the protection scope of the present application.

Claims

1. A rotary kiln lining precast block comprising a precast block body (1), characterized in that, The wall surface of the precast block body (1) connected with the inner wall of the rotary kiln is provided with a fixing part (2), and the fixing part (2) is fixedly connected with the precast block body (1); the fixing part (2) is formed with an inwardly recessed compensation area (3) between the fixing part (2) and the inner wall of the rotary kiln, and the inwardly recessed compensation area (3) is recessed from the surface of the precast block body (1) to the inside of the precast block body (1); the precast block body (1) is fixedly connected with the inner wall of the rotary kiln through the fixing part (2), and the connecting position of the fixing part (2) and the inner wall of the rotary kiln is located at the inwardly recessed compensation area (3) of the fixing part (2).

2. A precast block for lining a rotary kiln according to claim 1, wherein The fixing part (2) is arranged on the bottom wall surface (9) of the precast block body (1) abutting against the inner wall of the rotary kiln.

3. A precast block for lining a rotary kiln according to claim 2, wherein, The edge of the fixing part (2) extends towards the side wall surface (10) adjacent to the bottom wall surface (9), and the edge of the fixing part (2) is bent inwardly to form the inwardly recessed compensation area (3).

4. A precast block for lining a rotary kiln according to claim 1, wherein The surface of the precast block body (1) abutting against the inner wall of the rotary kiln is a bottom wall surface (9), and the fixing part (2) is arranged on the side wall surface (10) adjacent to the bottom wall surface (9).

5. A precast block for lining a rotary kiln according to claim 4, wherein, One side of the fixing part (2) extends towards the inner wall of the rotary kiln and is bent inwardly to form the inwardly recessed compensation area (3).

6. A precast block for lining a rotary kiln according to claim 1, wherein The surface of the precast block body (1) abutting against the inner wall of the rotary kiln is a bottom wall surface (9), and the connecting position of the bottom wall surface (9) and the side wall surface (10) adjacent to the bottom wall surface (9) is provided with a chamfer, and the fixing part (2) is arranged on the chamfer and forms the inwardly recessed compensation area (3) between the fixing part (2) and the inner wall of the rotary kiln.

7. A precast block for lining a rotary kiln according to claim 1, wherein The surface of the precast block body (1) abutting against the inner wall of the rotary kiln is a bottom wall surface (9), and the side wall surface adjacent to the bottom wall surface (9) is a side wall surface (10), the fixing part (2) is arranged on the bottom wall surface (9), and one side of the fixing part (2) extends towards the side wall surface (10) and is bent to abut against the side wall surface (10); an outer chamfer is arranged at the bent position of the fixing part (2), and the space between the outer chamfer and the inner wall of the rotary kiln is the inwardly recessed compensation area (3).

8. A precast block for lining a rotary kiln according to claim 7, characterised in that, The fixing part (2) is fixedly connected on both opposite sides of the precast block body (1).

9. A precast block for lining a rotary kiln according to any one of claims 1 to 8, wherein The bottom wall surface (9) of the precast block body (1) abutting against the inner wall of the rotary kiln is fixedly connected with a connecting part (6), and the connecting part (6) is fixedly connected with the fixing part (2).

10. A precast block for lining a rotary kiln according to claim 9, wherein, The precast block body (1) is provided with a fixing seat (7), the fixing seat (7) is fixedly connected with the connecting part (6), the fixing seat (7) is fixedly connected with an anchoring part (8), the anchoring part (8) is closely combined with the precast block body (1), and the free end of the anchoring part (8) extends in the precast block body (1).