Superheater anti-wear structure

Abstract

The utility model relates to an anti-wear structure for a superheater, which is used for a superheater. The superheater includes a bracket and a heat exchange tube fixed on the bracket. The anti-wear structure includes: an anti-wear shoe, which is arranged between the brackets and sleeved on the outside of the heat exchange tube; a fixed component, including: a shift block, which is slidably arranged on the outside of the anti-wear shoe; and an insert block, which is connected to the shift block and whose position corresponds to the inside of the anti-wear shoe. When installing the anti-wear structure, firstly slide the shift block of the fixed component to the outside of the anti-wear shoe, connect the insert block of the fixed component to the shift block, the insert block is located on the inside of the anti-wear shoe, push the shift block, and the shift block drives the insert block to move, so that the insert block passes through the bracket of the heat exchange tube, limits the circumferential movement of the fixed component and the anti-wear shoe, and at the same time, the brackets on both sides limit the axial movement of the anti-wear shoe, so that the anti-wear structure is fixed on the superheater, with a simple structure and convenient installation and disassembly.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler equipment, in particular to an anti-wear structure for a superheater. Background Art

[0002] Anti-wear tiles are mainly used on the windward side of boiler superheaters, reheaters, economizers, water-cooled walls and other pipes to reduce wear on the windward side of the pipes.

[0003] The anti-wear pad is usually welded with a ring at the bottom to hold it tightly on the heat exchange tube. This connection method is time-consuming and labor-intensive to install, and the anti-wear pad is difficult to disassemble and replace after reaching the end of its service life.

[0004] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present disclosure, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0005] In view of the deficiencies in the prior art, an embodiment of the utility model discloses a superheater anti-wear structure to solve the problem that the prior anti-wear structure is inconvenient to install and disassemble.

[0006] The technical solution adopted by the utility model is as follows:

[0007] A superheater anti-wear structure is used for a superheater. The superheater includes a bracket and a heat exchange tube fixed on the bracket. The anti-wear structure includes: an anti-wear shoe, which is arranged between the brackets and sleeved on the outside of the heat exchange tube; a fixing component, including: a shift block, which is slidably arranged on the outside of the anti-wear shoe; an insert block, which is connected to the shift block and has a position corresponding to the inside of the anti-wear shoe; wherein the shift block drives the insert block to move, and the insert block passes through the bracket to achieve the fixation of the anti-wear structure and the superheater.

[0008] A further technical solution is that the anti-wear shoe comprises: an arc portion; and a straight portion connected to both ends of the arc portion.

[0009] A further technical solution is that the straight portion includes: a second through hole, which is opened on the straight portion; and the fixing component includes: a connecting block, which is connected between the shifting block and the inserting block and is slidably arranged in the second through hole.

[0010] A further technical solution is that the fixing assembly includes an elastic member connected between the connecting block and the second through hole and located between the shifting block and the inserting block.

[0011] A further technical solution is that the fixing assembly includes a latch, and when the insert block passes through the bracket, the latch passes through the shift block, the straight portion and the insert block.

[0012] A further technical solution is that the shifting block comprises: a protrusion arranged on the surface of the shifting block.

[0013] The beneficial effects of the embodiments of the utility model are as follows:

[0014] (I) The anti-wear structure of the superheater of the utility model includes an anti-wear tile and a fixed component. When installing the anti-wear structure, the shift block of the fixed component is first slidably connected to the outside of the anti-wear tile, and the plug block of the fixed component is connected to the shift block, and the plug block is located on the inside of the anti-wear tile. The shift block is pushed, and the shift block drives the plug block to move, so that the plug block passes through the bracket of the heat exchange tube, limiting the circumferential movement of the fixed component and the anti-wear tile. At the same time, the brackets on both sides limit the axial movement of the anti-wear tile, so that the anti-wear structure is fixed on the superheater. The structure is simple and easy to install and disassemble.

[0015] (ii) Furthermore, the fixing assembly includes a pin. When the insert block passes through the bracket, the pin passes through the shift block, the straight portion and the insert block, thereby ensuring that the fixing assembly and the bracket are always fixed together, while improving the connection strength between the fixing assembly and the bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a superheater anti-wear structure according to the first embodiment of the utility model.

[0017] Figure 2 It is a cross-sectional view of a superheater anti-wear structure according to the first embodiment of the utility model.

[0018] Figure 3 This is a cross-sectional view of a superheater anti-wear structure according to the second embodiment of the utility model.

[0019] In the figure:

[0020] 1. anti-wear tile; 11. arc portion; 12. straight portion; 121. second through hole; 2. fixing assembly; 21. shift block; 211. raised portion; 22. connecting block; 221. screw; 23. insert block; 24. elastic member; 25. pin; 3. heat exchange tube; 4. bracket; 41. first through hole. DETAILED DESCRIPTION

[0021] The specific implementation of the present utility model is described below in conjunction with the accompanying drawings.

[0022] In order to make the purpose, technical scheme and advantages of the utility model clearer, the device proposed in the utility model is further described in detail below in combination with the accompanying drawings and specific implementation methods. According to the following description, the advantages and features of the utility model will be clearer. It should be noted that the accompanying drawings adopt a very simplified form and use non-precise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the implementation method of the utility model. In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, please refer to the accompanying drawings. It should be noted that the structure, proportion, size, etc. illustrated by the accompanying drawings of this specification are only used to match the content disclosed in the specification, so that people familiar with this technology can understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so it has no technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still fall within the scope of the technical content disclosed by the utility model.

[0023] First embodiment:

[0024] This embodiment discloses a superheater anti-wear structure

[0025] The anti-wear structure is used for a superheater, and the superheater includes a bracket 4 and a heat exchange tube 3 fixed on the bracket 4 .

[0026] Figure 1 This is a schematic structural diagram of a superheater anti-wear structure according to the first embodiment of the utility model. Figure 2 This is a cross-sectional view of a superheater anti-wear structure according to the first embodiment of the utility model. Figure 1 and Figure 2 As shown, the anti-wear structure includes an anti-wear tile 1 and a fixing assembly 2. The anti-wear tile 1 is arranged between the brackets 4 and sleeved on the outside of the heat exchange tube 3. Specifically, there is a certain gap between the anti-wear tile 1 and the heat exchange tube 3 to prevent the vibration of the anti-wear tile 1 from affecting the heat exchange tube 3. The anti-wear tile can also be mounted on the heat exchange tube 3 to provide support for the fixing assembly 2.

[0027] The fixing assembly 2 includes a shift block 21 and an insert block 23. The shift block 21 is slidably arranged on the outside of the anti-wear tile 1, and the insert block 23 is connected to the shift block 21, and its position corresponds to the inside of the anti-wear tile 1. The shift block 21 drives the insert block 23 to move, and the insert block 23 passes through the bracket 4 to achieve the fixation of the anti-wear structure and the superheater. Exemplarily, a first through hole 41 is opened on the bracket 4 corresponding to the insert block 23, and the insert block 23 passes through the first through hole 41, and at the same time, the anti-wear tile 1 is stuck between the brackets 4 to prevent the circumferential and axial movement of the anti-wear tile 1.

[0028] like Figure 1 and Figure 2As shown, illustratively, the straight portion 12 includes a second through hole 121, and the second through hole 121 is opened on the straight portion 12. The fixing assembly 2 includes a connecting block 22, which is connected between the shifting block 21 and the inserting block 23 and is slidably disposed in the second through hole 121. The connecting block 22, the shifting block 21 and the inserting block 23 are connected by screws 221, which facilitates installation and disassembly.

[0029] like Figure 2 As shown, further, the anti-wear shoe 1 includes an arc portion 11 and a straight portion 12. The straight portion 12 is connected to both ends of the arc portion 11. Exemplarily, the arc portion 11 and the straight portion 12 are integrally bent and formed. The arc portion 11 is semicircular, and the straight portion 12 is vertically connected to both ends of the arc portion 11. The straight portion 12 can protect the plurality of heat exchange tubes 3.

[0030] like Figure 1 As shown, further, the fixing assembly 2 includes an elastic member 24, which is connected between the connecting block 22 and the second through hole 121, and is located between the shifting block 21 and the inserting block 23. The elastic member 24 is confined in the space enclosed by the shifting block 21, the inserting block 23, the second through hole 121 and the connecting block 22, and will not fall out. The elastic force of the elastic member 24 supports the connecting block 22 to move along the second through hole 121 toward the bracket 4, ensuring that the inserting block 23 of the fixing assembly 2 is always fixed on the bracket 4.

[0031] like Figure 1 As shown, further, the shift block 21 includes a protrusion 211, and the protrusion 211 is arranged on the surface of the shift block 21. Specifically, the protrusion 211 extends from an end of the outer side of the shift block 21 away from the bracket 4, so that the staff can shift the shift block 21.

[0032] In this embodiment, when installing the anti-wear structure, firstly slide the shift block 21 and the insert block 23 onto the anti-wear tile 1, push the shift block 21, and the shift block 21 drives the insert block 23 to move, so that the insert block 23 passes through the bracket 4 of the heat exchange tube 3, thereby fixing the anti-wear structure on the superheater.

[0033] Second embodiment:

[0034] Based on the first embodiment, the second embodiment further optimizes and refines the fixing assembly 2 of the first embodiment.

[0035] Figure 3 This is a cross-sectional view of a superheater anti-wear structure according to the second embodiment of the utility model. Figure 3 As shown, the fixing assembly 2 includes a pin 25. When the insert block 23 passes through the bracket 4, the pin 25 passes through the shift block 21, the straight portion 12 and the insert block 23, so that the fixing assembly 2 and the bracket 4 are fixed together, and the connection strength between the fixing assembly 2 and the bracket 4 is improved.

[0036] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0037] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A superheater anti-wear structure, characterized in that: Used for a superheater, the superheater includes a bracket and a heat exchange tube fixed on the bracket, and the anti-wear structure includes: Anti-wear tiles are arranged between the brackets and sleeved on the outside of the heat exchange tubes; Fixing components, including: A shifting block, slidably arranged on the outer side of the anti-wear shoe; An insert block connected to the shift block and located corresponding to the inner side of the anti-wear shoe; The shifting block drives the inserting block to move, and the inserting block passes through the bracket (4) to achieve fixation of the anti-wear structure and the superheater.

2. The superheater anti-wear structure according to claim 1, characterized in that: The anti-wear tile comprises: Arc; The straight portion is connected to both ends of the arc portion.

3. The superheater anti-wear structure according to claim 2, characterized in that: The straight portion comprises: A second through hole is provided on the straight portion; The fixing assembly comprises: The connecting block is connected between the shifting block and the inserting block and is slidably arranged in the second through hole.

4. The superheater anti-wear structure according to claim 3, characterized in that: The fixing assembly comprises: The elastic member is connected between the connecting block and the second through hole and is located between the shifting block and the inserting block.

5. The anti-wear structure for a superheater according to claim 2, characterized in that: The fixing assembly comprises: A pin passes through the shift block, the straight portion and the plug block when the plug block passes through the bracket.

6. The superheater anti-wear structure according to claim 1, characterized in that: The shift block includes a protrusion, which is arranged on the surface of the shift block.

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