Preheater inner cylinder hanging piece convenient to disassemble

By designing the inner cylinder hanging plate of the preheater that is easy to disassemble, combined with the design of the main mechanism and the protective mechanism, the problem of the existing hanging plate being inconvenient for disassembly and replacement is solved, the maintenance efficiency and service life are improved, and the corrosion and wear resistance are enhanced.

CN222849300UActive Publication Date: 2025-05-09XINGHUA CHANGYOU CAST STEEL CO LTD
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Patent Information

Application Number
CN202421654328.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-13
Publication Date
2025-05-09
Estimated Expiration
2034-07-13

AI Technical Summary

Technical Problem

The inner cylinder hanging plate of the existing preheater is not convenient for disassembly and replacement, resulting in low maintenance efficiency and working efficiency and low practicality.

Method used

A preheater inner cylinder hanging plate is designed for easy disassembly including a main mechanism and a protective mechanism. The main mechanism realizes the convenient disassembly of the hanging sheet through the combination of the upper connecting plate, the connecting plate, the lower connecting plate, the fixing sleeve, the cross slot and the cross insert block; the protective mechanism adopts stainless steel layer, high-temperature resistant coating, waterproof coating, anti-corrosion coating and wear-resistant coating to improve the corrosion resistance, high temperature resistance, waterproof, corrosion resistance and wear resistance of the hanging sheet.

Benefits of technology

It realizes convenient disassembly and replacement of hanging plates, improves maintenance efficiency and work efficiency, extends the service life of hanging plates, and improves its corrosion and wear resistance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222849300U_ABST
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Abstract

The utility model relates to the technical field of preheater hanging pieces, and discloses a preheater inner cylinder hanging piece convenient to disassemble, which comprises a main body mechanism and a protection mechanism, the protection mechanism is positioned at the outer end of the main body mechanism, the main body mechanism comprises a hanging piece body, an upper connecting plate and a connecting plate, the upper connecting plate is fixedly mounted at the upper end of the hanging piece body, and the connecting plate is fixedly mounted at the lower end of the hanging piece body. The connecting plate is fixedly mounted at the lower end of the upper joining plate; the main body mechanism further comprises a lower connecting plate, fixing sleeves, a cross-shaped inserting groove and a cross-shaped inserting block, the lower connecting plate is fixedly installed at the lower end of the connecting plate, the fixing sleeves are fixedly installed at the left end and the right end of the rear end of the upper end of the lower connecting plate, and the cross-shaped inserting groove is fixedly formed in the inner ends of the fixing sleeves. According to the preheater inner cylinder hanging piece convenient to disassemble, by installing the main body mechanism, the hanging piece is convenient to disassemble and replace, the disassembly difficulty is reduced, the maintenance efficiency is improved, the working efficiency is improved, the practicability is improved, and the use requirement is met.
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Description

Technical Field

[0001] The utility model relates to the technical field of preheater hanging pieces, in particular to a preheater inner cylinder hanging piece which is easy to disassemble. Background Art

[0002] The preheater uses the flue gas in the tail flue of the boiler to preheat the air before entering the boiler to a certain temperature through the internal heat sink, which is used to improve the heat exchange performance of the boiler and reduce energy consumption. The main function of the hanging plate is to use the waste heat of the exhaust gas discharged from the rotary kiln and the decomposition furnace to heat the raw material, preheat the raw material and decompose part of the carbonate, and it can also support and protect the inner cylinder of the preheater.

[0003] The prior art patent document with publication number CN218295790U discloses an acid- and alkali-resistant preheater inner cylinder ceramic hanging plate, comprising a hanging plate, the front side of the hanging plate is fixedly connected to the back side of the plug block, the plug block is inserted into the slot to connect the upper and lower hanging plates, the clamping block on the upper surface of the hanging plate is inserted into the clamping groove on the lower surface of the adjacent hanging plate below, the upper and lower hanging plates are assembled, the gap at the clamping point of the upper and lower adjacent hanging plates is blocked by the blocking plate, and the blocking plate is inserted into the fixing frame, and the blocking plate is connected to the inner cylinder through bolts passing through the blocking plate and the fixing frame, and the fixed threaded sleeves under the fixing frames of the left and right adjacent hanging plates are connected by screws, so as to avoid the gap between the two adjacent hanging plates after the connection, and then the hanging plates are assembled, so as to solve the problem that the existing device is fixed to the inner wall of the cyclone cylinder by multiple bolts, the bolts are corroded, resulting in gaps between the hanging plates, affecting the normal use of the preheater.

[0004] However, the prior art CN218295790U patent is not convenient for disassembling and replacing the hanging piece, which reduces the efficiency of maintenance and work efficiency and has low practicality. Summary of the invention

[0005] Technical issues solved

[0006] The utility model aims to provide a preheater inner cylinder hanging piece which is easy to disassemble, so as to solve the problem in the above background technology that it is inconvenient to disassemble and replace the hanging piece when the hanging piece is damaged.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a preheater inner cylinder hanging piece that is easy to disassemble, comprising a main body mechanism and a protective mechanism, wherein the protective mechanism is located at the outer end of the main body mechanism, the main body mechanism comprises a hanging piece body, an upper connecting plate and a connecting plate, wherein the upper connecting plate is fixedly mounted on the upper end of the hanging piece body, and the connecting plate is fixedly mounted on the lower end of the upper connecting plate;

[0009] The main body mechanism also includes a lower connecting plate, a fixing sleeve, a cross slot and a cross plug block, the lower connecting plate is fixedly installed at the lower end of the connecting plate, the fixing sleeve is fixedly installed at the left and right ends of the rear end of the upper end of the lower connecting plate, the cross slot is fixedly arranged at the inner end of the fixing sleeve, the cross plug block is fixedly installed at the left and right ends of the rear end of the lower end of the upper connecting plate, and the cross plug block is adapted to the cross slot.

[0010] Preferably, the protective mechanism includes a stainless steel layer, a high temperature resistant coating, a waterproof coating, an anti-corrosion coating, a wear-resistant coating, threaded holes and reinforcing bolts. The stainless steel layer is fixedly arranged on the inner end of the hanging plate body. The hanging plate made of stainless steel has the advantages of good corrosion resistance, high temperature resistance, excellent strength and toughness, etc.

[0011] Preferably, the high temperature resistant coating is fixedly arranged on the outer end of the stainless steel layer, the high temperature resistant coating is fixedly connected to the stainless steel layer, the waterproof coating is fixedly arranged on the outer end of the high temperature resistant coating, and the high temperature resistant coating facilitates improving the high temperature resistance of the hanging piece.

[0012] Preferably, the waterproof coating is fixedly connected to the high temperature resistant coating, the anti-corrosion coating is fixedly arranged on the outer end of the waterproof coating, the anti-corrosion coating is fixedly connected to the waterproof coating, and the anti-corrosion coating improves the anti-corrosion performance of the hanging piece.

[0013] Preferably, the wear-resistant coating is fixedly arranged on the outer end of the anti-corrosion coating, and the wear-resistant coating is fixedly connected to the anti-corrosion coating. The wear-resistant coating improves the wear resistance of the hanging piece, and at the same time protects the high temperature resistant coating, the waterproof coating and the anti-corrosion coating, thereby extending the service life of the hanging piece.

[0014] Preferably, the threaded hole is fixedly arranged in the middle of the inner ends of the upper connecting plate and the lower connecting plate, and the reinforcing bolt is threadedly installed on the inner end of the threaded hole. The reinforcing bolt is threadedly connected to the upper connecting plate and the lower connecting plate, so as to improve the firmness of the connection between the hanging plates and facilitate the subsequent disassembly work.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The preheater inner cylinder hanging piece that is easy to disassemble is easy to disassemble and replace by installing the main body mechanism, which reduces the difficulty of disassembly, improves the efficiency of maintenance, improves work efficiency, improves practicality, and meets the use requirements;

[0017] 2. The preheater inner cylinder hanging piece which is easy to disassemble is installed with a protective mechanism. The anti-corrosion coating is convenient for improving the anti-corrosion performance of the hanging piece, and the wear-resistant coating improves the wear resistance of the hanging piece. At the same time, the high-temperature resistant coating, the waterproof coating and the anti-corrosion coating are protected, thereby extending the service life of the hanging piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a partial structural diagram of the main mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 4 For this utility model Figure 1 Schematic diagram of the enlarged structure of local details.

[0022] In the figure: 1. Main body; 101. Hanging plate body; 102. Upper connecting plate; 103. Connecting plate; 104. Lower connecting plate; 105. Fixing sleeve; 106. Cross slot; 107. Cross plug block; 2. Protection mechanism; 201. Stainless steel layer; 202. High temperature resistant coating; 203. Waterproof coating; 204. Anti-corrosion coating; 205. Wear-resistant coating; 206. Threaded hole; 207. Reinforcement bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4 The utility model provides a technical solution: a preheater inner cylinder hanging piece that is easy to disassemble, including a main body mechanism 1 and a protection mechanism 2, the protection mechanism 2 is located at the outer end of the main body mechanism 1, the main body mechanism 1 includes a hanging piece body 101, an upper connecting plate 102 and a connecting plate 103, the upper connecting plate 102 is fixedly installed on the upper end of the hanging piece body 101, and the connecting plate 103 is fixedly installed on the lower end of the upper connecting plate 102;

[0025] The main body mechanism 1 also includes a lower connecting plate 104, a fixing sleeve 105, a cross slot 106 and a cross plug block 107. The lower connecting plate 104 is fixedly installed at the lower end of the connecting plate 103, the fixing sleeve 105 is fixedly installed at the left and right ends of the upper rear end of the lower connecting plate 104, the cross slot 106 is fixedly set at the inner end of the fixing sleeve 105, and the cross plug block 107 is fixedly installed at the left and right ends of the lower rear end of the upper connecting plate 102. The cross plug block 107 is adapted to the cross slot 106. The staff first loosens the reinforcing bolts 207 and then lifts up the lower hanging piece body 101 to disengage the cross plug block 107 from the cross slot 106 in the fixing sleeve 105 to complete the disassembly. The cross slot 106 and the cross plug block 107 improve the firmness of the connection of the hanging piece body 101.

[0026] The protection mechanism 2 includes a stainless steel layer 201, a high temperature resistant coating 202, a waterproof coating 203, an anti-corrosion coating 204, a wear-resistant coating 205, a threaded hole 206 and a reinforcing bolt 207. The stainless steel layer 201 is fixedly arranged on the inner end of the hanging plate body 101, the high temperature resistant coating 202 is fixedly arranged on the outer end of the stainless steel layer 201, the high temperature resistant coating 202 is fixedly connected to the stainless steel layer 201, the waterproof coating 203 is fixedly arranged on the outer end of the high temperature resistant coating 202, the waterproof coating 203 is fixedly connected to the high temperature resistant coating 202, the anti-corrosion coating 204 is fixedly arranged on the outer end of the waterproof coating 203, the anti-corrosion coating 204 is fixedly connected to the waterproof coating 203, the wear-resistant coating 205 is fixedly arranged on the outer end of the anti-corrosion coating 204, the wear-resistant coating 205 is fixedly connected to the anti-corrosion coating 204, and the threaded hole 206 It is fixedly arranged at the middle of the inner ends of the upper connecting plate 102 and the lower connecting plate 104, and the reinforcing bolt 207 is threadedly installed at the inner end of the threaded hole 206. The reinforcing bolt 207 is threadedly connected to the upper connecting plate 102 and the lower connecting plate 104. The main manufacturing material of the hanging plate body 101 is stainless steel. Stainless steel has the advantages of good corrosion resistance, high temperature resistance, excellent strength and toughness. The high temperature resistant coating 202 improves the high temperature resistance of the hanging plate body 101, the waterproof coating 203 improves the waterproof performance of the hanging plate body 101, the anti-corrosion coating 204 improves the anti-corrosion performance of the hanging plate body 101, and the wear-resistant coating 205 improves the wear resistance of the hanging plate body 101. At the same time, the internal high temperature resistant coating 202, waterproof coating 203 and anti-corrosion coating 204 are protected to extend the service life of the hanging plate body 101.

[0027] Working principle: First, when it is necessary to disassemble the preheater inner cylinder hanging piece, the staff first loosens the reinforcement bolts 207 and then lifts the hanging piece body 101 below upwards, so that the cross plug block 107 is separated from the cross slot 106 in the fixing sleeve 105 to complete the disassembly. The cross slot 106 and the cross plug block 107 improve the firmness of the connection of the hanging piece body 101. The main manufacturing material of the hanging piece body 101 is stainless steel. Stainless steel has the advantages of good corrosion resistance, high temperature resistance, excellent strength and toughness. The high temperature resistant coating 202 improves the high temperature resistance of the hanging piece body 101, the waterproof coating 203 improves the waterproof performance of the hanging piece body 101, the anti-corrosion coating 204 improves the anti-corrosion performance of the hanging piece body 101, and the wear-resistant coating 205 improves the wear resistance of the hanging piece body 101. At the same time, the internal high temperature resistant coating 202, waterproof coating 203 and anti-corrosion coating 204 are protected to extend the service life of the hanging piece body 101.

[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A preheater inner cylinder hanging plate that is easy to disassemble, comprising a main body mechanism (1) and a protection mechanism (2), characterized in that: The protection mechanism (2) is located at the outer end of the main mechanism (1); the main mechanism (1) comprises a hanging piece body (101), an upper connecting plate (102) and a connecting plate (103); the upper connecting plate (102) is fixedly mounted on the upper end of the hanging piece body (101); and the connecting plate (103) is fixedly mounted on the lower end of the upper connecting plate (102); The main body mechanism (1) further comprises a lower connecting plate (104), a fixing sleeve (105), a cross slot (106) and a cross plug block (107); the lower connecting plate (104) is fixedly mounted on the lower end of the connecting plate (103); the fixing sleeve (105) is fixedly mounted on the left and right ends of the upper rear end of the lower connecting plate (104); the cross slot (106) is fixedly arranged on the inner end of the fixing sleeve (105); the cross plug block (107) is fixedly mounted on the left and right ends of the lower rear end of the upper connecting plate (102); and the cross plug block (107) is adapted to the cross slot (106).

2. The easily disassembled preheater inner cylinder hanging sheet according to claim 1, characterized in that: The protection mechanism (2) comprises a stainless steel layer (201), a high temperature resistant coating (202), a waterproof coating (203), an anti-corrosion coating (204), a wear-resistant coating (205), a threaded hole (206) and a reinforcing bolt (207); the stainless steel layer (201) is fixedly arranged at the inner end of the hanging plate body (101).

3. The easily disassembled preheater inner cylinder hanging piece according to claim 2, characterized in that: The high temperature resistant coating (202) is fixedly arranged on the outer end of the stainless steel layer (201), the high temperature resistant coating (202) is fixedly connected to the stainless steel layer (201), and the waterproof coating (203) is fixedly arranged on the outer end of the high temperature resistant coating (202).

4. The easily disassembled preheater inner cylinder hanging sheet according to claim 3, characterized in that: The waterproof coating (203) is fixedly connected to the high temperature resistant coating (202), the anti-corrosion coating (204) is fixedly arranged on the outer end of the waterproof coating (203), and the anti-corrosion coating (204) is fixedly connected to the waterproof coating (203).

5. The easily disassembled preheater inner cylinder hanging plate according to claim 4, characterized in that: The wear-resistant coating (205) is fixedly arranged on the outer end of the anti-corrosion coating (204), and the wear-resistant coating (205) is fixedly connected to the anti-corrosion coating (204).

6. The easily disassembled preheater inner cylinder hanging plate according to claim 5, characterized in that: The threaded hole (206) is fixedly arranged at the middle of the inner ends of the upper connecting plate (102) and the lower connecting plate (104), the reinforcing bolt (207) is threadedly installed at the inner end of the threaded hole (206), and the reinforcing bolt (207) is threadedly connected to the upper connecting plate (102) and the lower connecting plate (104).

Citation Information

Patent Citations

  • Acid and alkali corrosion resistant preheater inner cylinder ceramic hanging piece

    CN218295790U