Alumina ceramic tube with multilayer structure

Abstract

The utility model discloses an aluminum oxide ceramic tube with a multi-layer structure, which comprises a material inner layer, a material middle layer is integrally connected to the outer wall of the material inner layer, a material outer layer is integrally connected to the outer wall of the material middle layer, welding coatings are arranged at two ends of the material outer layer, grooves are formed in the outer walls of the welding coatings, and the welding coatings are arranged in the grooves. A plurality of grooves are annularly distributed at equal intervals relative to the outer wall of the welding plating layer, clamping bases are fixedly connected into the grooves, openings are formed in one ends of the clamping bases, sliding blocks are inserted into the clamping bases, limiting blocks are fixedly connected to the two ends of the sliding blocks, one ends of the limiting blocks are inserted into clamping grooves of the clamping bases, clamping grooves are formed in the inner walls of the clamping bases, and the limiting blocks are fixedly connected to the limiting blocks. A rough bonding layer is arranged on the outer wall of the material outer layer, the rough bonding layer and the welding plating layer are arranged in a staggered mode, a preset screw hole is formed in the welding plating layer, and a supporting block is connected to the outer wall of the welding plating layer in a lifting mode. The device can be conveniently mounted and fixed with the inner wall of the pipeline, so that the mounting convenience of the device is improved, and the mounting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ceramic material product production, specifically to an alumina ceramic pipe of multilayer structure. BACKGROUND

[0002] Ceramic material products cover a wide range of fields from daily necessities to high-tech industrial applications. Ceramics play an important role in many industries due to their unique properties such as high temperature resistance, wear resistance, corrosion resistance, and good insulation. Alumina ceramic pipes are a type of high-performance ceramic material product. The higher the alumina content, the stronger its mechanical strength, wear resistance, corrosion resistance, and electrical insulation performance.

[0003] Currently, when installing alumina ceramic pipes inside the pipeline, the installation process usually uses bolt fixation, welding, and adhesive bonding methods. However, due to the high hardness and brittleness of existing alumina ceramic pipes, direct traditional welding is difficult, and post-hole installation of bolts is also inconvenient. Therefore, improvement is needed. INVENTION CONTENTS

[0004] The utility model aims to provide an alumina ceramic pipe of multilayer structure to solve the problem of inconvenient installation of alumina ceramic pipes as mentioned in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an alumina ceramic pipe of multilayer structure, comprising a material inner layer, the outer wall of the material inner layer is integrally connected with a material middle layer, the outer wall of the material middle layer is integrally connected with a material outer layer, the two ends of the material outer layer are provided with a welding plating layer, the outer wall of the material outer layer is provided with a rough adhesive layer, the rough adhesive layer is arranged in a staggered manner with the welding plating layer, a preset screw hole is formed in the welding plating layer, and a support block is connected to the outer wall of the welding plating layer.

[0006] Preferably, the outer wall of the welding plating layer is provided with a groove, the groove is circularly and equidistantly distributed with multiple grooves about the outer wall of the welding plating layer, and the groove is fixedly connected with a clamping seat inside.

[0007] Preferably, an opening is formed in one end of the clamping seat, a sliding block is inserted into the clamping seat, and a clamping groove is formed in the inner wall of the clamping seat.

[0008] Preferably, the two ends of the sliding block are fixedly connected with a limiting block, and one end of the limiting block is inserted into the clamping groove of the clamping seat.

[0009] Preferably, a connecting frame is fixedly connected to the top of the sliding block, and an adjusting screw is threadedly connected to the connecting frame.

[0010] Preferably, the inner wall of the material inner layer is integrally connected with a thickening layer, and the thickening layer is located at the two ends of the material inner layer.

[0011] Preferably, one end of the adjusting screw is connected with a rotating shaft, and the top of the rotating shaft is fixedly connected with a supporting block.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] (1) The device can be conveniently installed and fixed on the inner wall of the pipeline, thereby improving the convenience of installation of the device and improving the installation efficiency.

[0014] (2) The device is provided with a rough adhesive layer on the outer wall of the material outer layer to facilitate the increase of the area of adhesion and bonding with the inner wall of the pipeline, and is provided with a welding plating layer at both ends of the material outer layer to facilitate welding and fixing with the inner wall of the pipeline, thereby improving the convenience of installation of the device and improving the installation efficiency.

[0015] (3) The device is provided with preset screw holes on the outer wall of the welding plating layer to facilitate the connection of bolts, and is provided with supporting blocks with adjustable height to be supported on the inner wall of the pipeline, thereby ensuring the stability of the device during the welding and installation process. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the alumina ceramic pipe with a multi-layer structure of the utility model;

[0017] Fig. 2 It is a side view of the alumina ceramic pipe with a multi-layer structure of the utility model;

[0018] Fig. 3 It is a side view of the connection of the clamping seat and the sliding block of the alumina ceramic pipe with a multi-layer structure of the utility model.

[0019] In the figure: 1, preset screw hole; 2, welding plating layer; 3, rough adhesive layer; 4, material outer layer; 5, material middle layer; 6, material inner layer; 7, thickening layer; 8, clamping seat; 9, supporting block; 10, connecting frame; 11, rotating shaft; 12, adjusting screw; 13, sliding block; 14, limiting block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figs. 1-3The utility model provides a technical scheme: a kind of alumina ceramic pipe of multilayer structure, including material inner layer 6, the outer wall of material inner layer 6 is integrally connected with material middle layer 5, the inner wall of material inner layer 6 is integrally connected with thickening layer 7, thickening layer 7 can thicken 2mm, thickening layer 7 is located at both ends of material inner layer 6, the hardness compression resistance of this structure thickening layer 7 is improved by thickening both ends of material inner layer 6, to avoid both ends head damage in the installation process of the device, material middle layer 5 outer wall is integrally connected with material outer layer 4, the both ends of material outer layer 4 are provided with welded plating 2, material outer layer 4 outer wall is provided with rough adhesive layer 3, rough adhesive layer 3 is misaligned with welded plating 2 and is set, recess is provided on the outer wall of welded plating 2, the recess is circularly distributed with multiple about the outer wall of welded plating 2 at equal intervals, the recess is fixedly connected with clasp 8, one end of clasp 8 is provided with opening, sliding block 13 is inserted in the inside of clasp 8, the inner wall of clasp 8 is provided with clamping groove, this structure guarantees the flatness of the surface of welded plating 2, to facilitate the welding work of welded plating 2, welded plating 2 is WC-Co or Al2O3-Ti composite coating, to facilitate the welding fixation of both ends head of the device, the both ends of sliding block 13 are fixedly connected with limit block 14, one end of limit block 14 is inserted in the clamping groove of clasp 8, this structure improves the stability of sliding block 13 installation connection by limit block 14, the top of sliding block 13 is fixedly connected with connecting frame 10, adjusting screw 12 is threadedly connected on connecting frame 10, this structure facilitates the connection or disassembly of sliding block 13 and welded plating 2 by sliding block 13 and clasp 8, one end of adjusting screw 12 is connected with rotating shaft 11, the top of rotating shaft 11 is fixedly connected with support block 9, this structure can drive the height of support block 9 to be adjusted by rotating adjusting screw 12, so that when the device is installed to the inside of pipeline, support block 9 can be supported in the inside of pipeline to guarantee the stability of the device, facilitate welding and bolt installation, preset screw hole 1 is set on welded plating 2, support block 9 is connected with the outer wall of welded plating 2 and is lifted, material inner layer 6 and thickening layer 7 are made of alumina plus magnesia, play the role of acid and alkali corrosion resistance, material middle layer 5 is made of alumina plus zirconium dioxide, play the role of toughening and crack resistance, material outer layer 4 is made of alumina plus ceramic support, play the role of heat insulation, noise reduction, buffer thermal shock.

[0022] Working principle: when using the multilayer structure of the alumina ceramic pipe, the bonding method can be used for fixing, when fixing, the bonding agent is coated to the surface of the rough bonding layer 3, then the device is inserted into the pipe for bonding and fixing, the bolt can be used to connect the pipe with the preset screw hole 1 at both ends of the device, so as to ensure the stability of the connection, the welding method can also be used for installation, when installing, the adjusting screw 12 on the connecting frame 10 is rotated first, the adjusting screw 12 pushes the support block 9 to adhere to the inner wall of the pipe, so as to ensure the center position of the device and the pipe, then the welding equipment is used to fix the welding plating layer 2 of the device with the pipe or the flange connector, after welding, the sealing material is used to fill the gap between the outer wall of the device and the inner wall of the pipe.

[0023] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A multi-layered alumina ceramic tube, comprising an inner material layer (6), characterized in that: The outer wall of the inner layer (6) of the material is integrally connected to the middle layer (5), the outer wall of the middle layer (5) of the material is integrally connected to the outer layer (4), the two ends of the outer layer (4) of the material are provided with welding plating (2), the outer wall of the outer layer (4) of the material is provided with rough adhesive layer (3), the rough adhesive layer (3) and the welding plating layer (2) are misaligned, the welding plating layer (2) is provided with a preset screw hole (1), and the outer wall of the welding plating layer (2) is connected to a support block (9) for lifting.

2. The multi-layered alumina ceramic tube according to claim 1, characterized in that: The outer wall of the welding coating (2) is provided with a groove. The grooves are distributed in a circular and equally spaced manner about the outer wall of the welding coating (2). A card seat (8) is fixedly connected inside the groove.

3. The multi-layered alumina ceramic tube according to claim 2, characterized in that: The card holder (8) has an opening at one end, a slider (13) is inserted inside the card holder (8), and a card groove is formed on the inner wall of the card holder (8).

4. The multi-layered alumina ceramic tube according to claim 3, characterized in that: Both ends of the slider (13) are fixedly connected to limit blocks (14), and one end of the limit block (14) is inserted into the slot of the card seat (8).

5. The multi-layered alumina ceramic tube according to claim 3, characterized in that: The top of the slider (13) is fixedly connected to a connecting frame (10), and an adjusting screw (12) is threaded onto the connecting frame (10).

6. The multi-layered alumina ceramic tube according to claim 1, characterized in that: The inner wall of the inner layer (6) of the material is integrally connected with a thickened layer (7), which is located at both ends of the inner layer (6).

7. The multi-layered alumina ceramic tube according to claim 5, characterized in that: One end of the adjusting screw (12) is connected to a rotating shaft (11), and a support block (9) is fixedly connected to the top of the rotating shaft (11).

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