Reinforced compression-resistant structure of preheater inner cylinder hanging piece

Abstract

The utility model discloses a reinforcing compression resistance structure of a preheater inner cylinder hanging piece, which comprises a hanging piece body, a ceramic base material is arranged in the hanging piece body, a reinforcing mesh rib is arranged on the outer side of the ceramic base material, and a protective sealing layer is arranged on the outer side of the reinforcing mesh rib. The compression-resistant strip is connected to the outer wall of the hanging piece body, and anti-abrasion blocks are arranged on the two sides of the compression-resistant strip; a mounting groove is formed in the other side of the hanging piece body, and elastic blocks are connected to the two sides of the mounting groove. Compared with an existing device, the reinforced compression-resistant structure of the preheater inner barrel hanging piece has the advantages that the ceramic base material can be integrally connected through the reinforced net ribs made of metal materials, cracking or breakage is prevented, the strength of the hanging piece body is improved, the hanging piece body can be protected through the protective sealing layer, and the service life of the hanging piece body is prolonged. And the compression-resistant strip and the wear-resistant block can prevent an external object from being in direct contact with the hanging piece body, so that the wear-resistant and compression-resistant effects can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of reinforced pressure-resistant structures, in particular to a reinforced pressure-resistant structure of a preheater inner cylinder hanging sheet. Background Art

[0002] The preheater uses the flue gas in the flue at the tail end of the boiler to preheat the air before entering the boiler to a certain temperature through the internal heat sink. It is used to improve the heat exchange performance of the boiler and reduce energy consumption. It is mostly used in coal-fired boilers, and the inner tube hanging plate is an important structure on the preheater.

[0003] The Chinese patent with the authorization publication number CN216523134U discloses a ceramic inner cylinder hanging piece assembly, including a first hanging piece, a fixed plug-in block is fixedly installed in the middle of the left side of the first hanging piece, and the top of the left side of the fixed plug-in block is inserted into the inner side of the third limit groove through a disassembly mechanism, the third limit groove is arranged in the middle of the right side of the fixed sleeve block, and the top of the left side of the fixed sleeve block is fixedly installed in the middle of the right side of the second hanging piece. The utility model can relatively conveniently make the first hanging piece and the second hanging piece to be spliced ​​and installed, and at the same time, in the inserted state between the fixed plug-in block and the fixed sleeve block, the sealing of the gap of the device during use is guaranteed, the working efficiency of the device during use is improved, and the efficiency of the insertion between the first hanging piece and the second hanging piece is guaranteed, which improves the convenience of the device during use.

[0004] Although the ceramic inner cylinder hanging piece mentioned above can ensure the efficiency of the insertion between the first hanging piece and the second hanging piece, and improve the convenience of the device during use, most of the hanging pieces are composed of a single structure, and the pressure resistance is not strong. Long-term use in high temperature and high pressure environment is prone to wear, cracking and peeling, which affects the service life of the device. For this reason, we propose a reinforced pressure-resistant structure of the preheater inner cylinder hanging piece. Summary of the invention

[0005] The utility model aims to provide a reinforced pressure-resistant structure of a preheater inner cylinder hanging sheet, so as to solve the problem in the above-mentioned background technology that since most hanging sheets are composed of a single structure, the pressure resistance is not strong, and they are easily worn, cracked and peeled when used in a high temperature and high pressure environment for a long time, which affects the service life of the device.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a reinforced pressure-resistant structure of a preheater inner cylinder hanging sheet, comprising:

[0007] A hanging piece body, wherein a ceramic base material is arranged inside the hanging piece body, and a reinforcing mesh rib is arranged outside the ceramic base material, and a protective sealing layer is arranged outside the reinforcing mesh rib;

[0008] The pressure-resistant strip is connected to the outer wall of the hanging piece body, and wear-resistant blocks are arranged on both sides of the pressure-resistant strip;

[0009] The installation bump is connected to one side of the outer wall of the hanging piece body. An installation groove is formed on the other side of the hanging piece body, and elastic blocks are connected to both sides of the installation groove.

[0010] Preferably, the hanging piece bodies are connected through the installation bumps and the installation grooves, and an elastic structure is formed between the installation bumps, the installation grooves and the hanging piece bodies through the elastic blocks.

[0011] Preferably, the hanging piece body is further provided with:

[0012] Positioning screw holes are formed at the upper and lower ends of one side of the hanging piece body. Positioning plates are connected to the upper and lower ends of the other side of the hanging piece body. A positioning screw is installed inside the positioning plate. A limiting plate is arranged above the positioning screw, and a positioning shaft is installed on one side inside the limiting plate.

[0013] Preferably, the positioning plate is connected to the hanging piece body through the positioning screw, and the positions of the positioning screw and the positioning screw hole correspond to each other.

[0014] Preferably, a rotating structure is formed between the limiting plate and the positioning shaft, and the limiting plate is perpendicular to the positioning screw.

[0015] Preferably, the reinforcing mesh rib is a hollow mesh structure, the reinforcing mesh rib is attached to the ceramic base material, and an enclosing structure is formed between the protective sealing layer and the reinforcing mesh rib.

[0016] Preferably, the pressure-resistant strips are evenly distributed at equal intervals, and the wear-resistant blocks are evenly distributed along both sides of the pressure-resistant strip.

[0017] Compared with the prior art, the present utility model provides a strengthened pressure-resistant structure for the hanging pieces of the inner cylinder of the preheater, and has the following beneficial effects:

[0018] Through the reinforcing mesh rib made of metal material, the present utility model can achieve the effect of integrally connecting the ceramic base material, prevent cracking or breaking, improve the strength of the hanging piece body. The protective sealing layer can protect the hanging piece body. The pressure-resistant strip and the wear-resistant blocks can avoid the direct contact between external objects and the hanging piece body, thereby achieving the effects of wear resistance and pressure resistance, and avoiding the problems that most of the hanging pieces are composed of a single structure, with poor pressure resistance, and are prone to wear, cracking and peeling when used in high-temperature and high-pressure environments for a long time, affecting the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2Schematic diagram of the internal structure of the front side of the hanging piece body of the present utility model;

[0021] Figure 3 Schematic cross-sectional structure diagram of the hanging piece body of the present utility model;

[0022] Figure 4 Schematic diagram of the structure at the splicing part of the hanging piece body of the present utility model;

[0023] Figure 5 For the present utility model Figure 3 Enlarged schematic diagram of the structure at position A in

[0024] In the figure: 1. Hanging piece body; 2. Installation bump; 3. Installation groove; 4. Elastic block; 5. Positioning screw hole; 6. Positioning plate; 7. Positioning screw; 8. Limiting plate; 9. Positioning shaft; 10. Compression-resistant strip; 11. Abrasion-resistant block; 12. Protective sealing layer; 13. Reinforcing mesh; 14. Ceramic base material. Specific implementation manners

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] Please refer to Figures 1-3 , a strengthened compression-resistant structure for the inner cylinder hanging piece of a preheater, comprising: a hanging piece body 1, a ceramic base material 14 is arranged inside the hanging piece body 1, and a reinforcing mesh 13 is arranged outside the ceramic base material 14, and a protective sealing layer 12 is arranged outside the reinforcing mesh 13; the reinforcing mesh 13 is a hollow mesh structure, and the reinforcing mesh 13 is attached to the ceramic base material 14, and a surrounding structure is formed between the protective sealing layer 12 and the reinforcing mesh 13; the hollow mesh-shaped reinforcing mesh 13 is made of metal material, which can play an overall connection effect on the ceramic base material 14, prevent cracking or breaking, improve the strength of the hanging piece body 1, and the protective sealing layer 12 can play a protective effect on the hanging piece body 1; compression-resistant strips 10, which are connected to the outer wall of the hanging piece body 1, and abrasion-resistant blocks 11 are arranged on both sides of the compression-resistant strips 10; the compression-resistant strips 10 are evenly distributed at equal intervals, and the abrasion-resistant blocks 11 are evenly distributed along both sides of the compression-resistant strips 10; the compression-resistant strips 10 and the abrasion-resistant blocks 11 can prevent direct contact between external objects and the hanging piece body 1, so as to achieve the effect of abrasion resistance and compression resistance.

[0027] Please refer to Figure 1 , 4And 5, a strengthened compressive structure for the hanging pieces of the inner cylinder of a preheater, comprising: an installation bump 2, which is connected to one side of the outer wall of the hanging piece body 1, an installation groove 3 is formed on the other side of the hanging piece body 1, and elastic blocks 4 are connected to both sides of the installation groove 3; the hanging piece bodies 1 are connected to each other through the installation bump 2 and the installation groove 3, and an elastic structure is formed between the installation bump 2 and the installation groove 3 and the hanging piece body 1 through the elastic block 4; the installation bump 2 and the installation groove 3 facilitate the mutual connection and installation of the two hanging piece bodies 1, and the elastic block 4 can improve the connection tightness of the installation bump 2 and the installation groove 3, thereby improving the stability of the hanging piece body 1; positioning screw holes 5 are opened at the upper and lower ends of one side of the hanging piece body 1, positioning plates 6 are connected to the upper and lower ends of the other side of the hanging piece body 1, and positioning screws 7 are installed inside the positioning plates 6, a limiting plate 8 is arranged above the positioning screw 7, and a positioning shaft 9 is installed on one side inside the limiting plate 8; the positioning plate 6 is connected to the hanging piece body 1 through the positioning screw 7, and the position of the positioning screw 7 corresponds to that of the positioning screw hole 5; the positioning screw 7 can penetrate into the positioning screw hole 5 to connect and fix the positioning plate 6 and the hanging piece body 1; a rotating structure is formed between the limiting plate 8 and the positioning shaft 9, and the limiting plate 8 is perpendicular to the positioning screw 7; the limiting plate 8 can rotate with the positioning shaft 9, so as to limit and prevent the positioning screw 7 from coming off when rotating the upper part of the positioning screw 7.

[0028] Working principle: When using the strengthened compressive structure of the hanging pieces of the inner cylinder of the preheater, first connect and install the hanging piece body 1, install the installation bump 2 into the installation groove 3, and the elastic block 4 improves the connection tightness of the installation bump 2 and the installation groove 3, thereby improving the stability of the hanging piece body 1. Then, penetrate the positioning screw 7 into the positioning screw hole 5 and tighten the positioning screw 7 to connect and fix the positioning plate 6 and the hanging piece body 1; secondly, rotate the limiting plate 8, and the limiting plate 8 rotates with the positioning shaft 9, so as to limit and prevent the positioning screw 7 from coming off when rotating the upper part of the positioning screw 7; then, during use, the compressive strip 10 and the anti-wear block 11 can prevent external objects from directly contacting the hanging piece body 1, thereby achieving the effects of anti-wear and anti-compression; finally, the hollow reticulated strengthening ribs 13 can integrally connect the ceramic base material 14, prevent cracking or breaking, improve the strength of the hanging piece body 1, and at the same time, the protective coating 12 can protect the hanging piece body 1. This is the working principle of the strengthened compressive structure of the hanging pieces of the inner cylinder of the preheater.

[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reinforced pressure-resistant structure of a preheater inner cylinder hanging plate, characterized in that: include: A hanging piece body (1), wherein a ceramic base material (14) is arranged inside the hanging piece body (1), and a reinforcing mesh rib (13) is arranged outside the ceramic base material (14), and a protective sealing layer (12) is arranged outside the reinforcing mesh rib (13); An anti-compression strip (10) connected to the outer wall of the hanging piece body (1), and anti-wear blocks (11) are provided on both sides of the anti-compression strip (10); A mounting protrusion (2) is connected to one side of the outer wall of the hanging piece body (1); a mounting groove (3) is provided on the other side of the hanging piece body (1), and elastic blocks (4) are connected to both sides of the mounting groove (3).

2. The reinforced pressure-resistant structure of the preheater inner cylinder hanging sheet according to claim 1 is characterized in that: The hanging piece body (1) is connected via a mounting protrusion (2) and a mounting groove (3), and the mounting protrusion (2) forms an elastic structure with the hanging piece body (1) via an elastic block (4) and the mounting groove (3).

3. The reinforced pressure-resistant structure of the preheater inner cylinder hanging sheet according to claim 1 is characterized in that: The hanging piece body (1) is also provided with: A positioning screw hole (5) is provided at the upper and lower ends of one side of the hanging piece body (1); the upper and lower ends of the other side of the hanging piece body (1) are connected to a positioning plate (6), and a positioning screw (7) is installed inside the positioning plate (6); a limiting plate (8) is provided above the positioning screw (7), and a positioning shaft (9) is installed on one side of the limiting plate (8).

4. The reinforced pressure-resistant structure of the preheater inner cylinder hanging sheet according to claim 3 is characterized in that: The positioning plate (6) is connected to the hanging piece body (1) via a positioning screw (7), and the positions of the positioning screw (7) and the positioning screw hole (5) correspond to each other.

5. The reinforced pressure-resistant structure of the preheater inner cylinder hanging sheet according to claim 3 is characterized in that: A rotating structure is formed between the limit plate (8) and the positioning shaft (9), and the limit plate (8) and the positioning screw (7) are perpendicular to each other.

6. The reinforced pressure-resistant structure of the preheater inner cylinder hanging sheet according to claim 1, characterized in that: The reinforcing mesh ribs (13) are of a hollow mesh structure, the reinforcing mesh ribs (13) are in contact with the ceramic base material (14), and a surrounding structure is formed between the protective sealing layer (12) and the reinforcing mesh ribs (13).

7. The reinforced pressure-resistant structure of the preheater inner cylinder hanging sheet according to claim 1, characterized in that: The anti-compression strips (10) are distributed at equal distances, and the anti-wear blocks (11) are evenly distributed along both sides of the anti-compression strips (10).

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