Kiln tail boiler rapping device

By setting up a limit structure of snaps and waist-shaped holes in the kiln tail boiler vibration device, the problem of uneven heat expansion of the pipe row is solved, and the free expansion and contraction of the pipe row is achieved, reducing the risk of boiler leakage and ensuring the safety of the equipment.

CN223258713UActive Publication Date: 2025-08-22ANHUI CONCH KAWASAKI ENERGY CONSERVATION EQUIPMENT MANUFACTURING CO LTD
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Patent Information

Application Number
CN202422400545.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-08-22
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

The vibration rod and vibration seat of the existing kiln tail boiler are fixed by welding, resulting in uneven expansion of the pipes due to heat, which affects free expansion and contraction, which easily causes the elbow stress to the pipes and increases the probability of water leakage in the boiler.

Method used

A kiln tail boiler vibration device is designed, with a snap buckle on the vibration rod, a cavity is formed between the snap buckle and the vibration rod, and a waist hole is installed on the vibration rod. The bolts are connected to the vibration rod through the waist hole to realize the movement of the vibration rod and ensure that the pipe line is free to telescope within a limited range.

Benefits of technology

Effectively release the expansion volume of the pipe discharge, avoid concentration of elbow stress, reduce the probability of boiler leakage, and ensure equipment safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of kiln tail boilers, and relates to a rapping device of a kiln tail boiler. The buckle (2) is arranged on the rapping rod (1), a cavity is formed between the rapping rod (1) and the buckle (2), the kidney-shaped hole (4) is formed in the rapping seat (3), one end of the rapping seat (3) extends to the cavity between the rapping rod (1) and the buckle (2), and the bolt (5) penetrates through the kidney-shaped hole (4) to be connected with the rapping rod (1). The rapping device for the kiln tail boiler is simple in structure, when the tube bundle is heated and expands, the tube bundle can freely stretch out and draw back within a limited range, the expansion amount can be released, the problem of stress concentration of tube bundle elbows is avoided, the water leakage probability of the boiler is reduced, and the safety of equipment is ensured.
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Description

Technical Field

[0001] The utility model belongs to the technical field of kiln tail boilers, and more specifically relates to a kiln tail boiler vibration device. Background Art

[0002] In existing kiln tail boiler technology, the rapping rod and rapping seat of the kiln tail boiler are fixed by welding, and the rapping rod and rapping seat are fixed in a fixed state. When the tube bank changes with heat, it expands unevenly, affecting the free expansion and contraction of the tube bank. The force applied by the tube bank can easily cause stress concentration in the tube bank elbow, increasing the probability of boiler leakage.

[0003] In the prior art, there is a technology named "a vibrating device and vibrating method for a suspension structure of a heat-receiving pipe of a waste heat boiler at the tail end of a cement kiln and a vibrating method thereof", with a publication (announcement) number of "CN101858590A", which provides a vibrating device and a vibrating method for a suspension structure of a heat-receiving pipe applied to the field of a pure low-temperature waste heat power generation system of a cement clinker production line, wherein the vibrating device (9) of the suspension structure of the heat-receiving pipe of the waste heat boiler at the tail end of the cement kiln is arranged at a position below the middle position of the heat-receiving pipe (4), and the best arrangement position is the lower end of the heat-receiving pipe (4), and the vibrating method is to apply an impact force to the vibrating hammer (8) by a manual method or a mechanical method, so that the lower end of the heat-receiving pipe (4) is vibrated by the vibrating device (9), thereby causing the dust adhering to the heat-receiving pipe (4) to be vibrated and fall off. The vibrating device and the vibrating method of the present invention apply an impact force to the vibrating hammer, so that the lower end of the heat-receiving pipe is vibrated by the vibrating device, thereby causing the dust adhering to the heat-receiving pipe to be vibrated and fall off.

[0004] However, this technology does not involve the technical problems and technical solutions of the present application. Utility Model Content

[0005] The technical problem to be solved by the present invention is: in view of the deficiencies of the existing technology, a kiln tail boiler vibrating device is provided which has a simple structure and can ensure that the tube row can freely expand and contract within a limited range when the tube row expands and changes due to heat, and can release the expansion amount, thereby avoiding the problem of stress concentration in the elbow of the tube row, reducing the probability of boiler leakage, and ensuring the safety of the equipment.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is:

[0007] The utility model relates to a vibrating device for a kiln tail boiler. A buckle is provided on a vibrating rod, a cavity is formed between the vibrating rod and the buckle, a waist-shaped hole is provided on a vibrating seat, one end of the vibrating seat extends to the cavity between the vibrating rod and the buckle, and a bolt passes through the waist-shaped hole to be connected with the vibrating rod.

[0008] The buckle comprises a buckle body surface, a first buckle folding portion and a second buckle folding portion, and the buckle body surface, the first buckle folding portion and the second buckle folding portion are in an N-shaped structure.

[0009] The first folded edge portion and the second folded edge portion of the buckle are respectively welded and connected to the rapping rod.

[0010] A waist-shaped hole is provided on the surface of the buckle body of the buckle, and the extension direction of the waist-shaped hole is perpendicular to the extension direction of the rapping rod 1, and the rapping rod is arranged vertically.

[0011] The rapping seat is connected to the pipe row.

[0012] The rapping rod is provided with a plurality of buckles at intervals from top to bottom, each buckle is connected to a rapping seat, and each rapping seat is connected to a pipe row.

[0013] The bolt is connected to the rapping rod by welding, or the bolt is connected to the screw hole on the rapping rod by screwing.

[0014] The buckle body surface, the buckle first folded edge portion and the buckle second folded edge portion 7 of the buckle are an integrated structure, and the buckle is made of metal material.

[0015] The technical solution of this utility model is adopted, and the working principle and beneficial effects are as follows:

[0016] The utility model discloses a kiln tail boiler rapping device. When the structure is set, a rapping rod and a rapping seat are provided. The rapping rod is used for rapping. The rapping seat is connected to the rapping rod and is connected to the pipe bank at the same time to transmit the rapping force of the rapping rod to the pipe bank to achieve effective rapping. A buckle is provided on the rapping rod. There is a cavity between the rapping rod and the buckle. The buckle can limit the rapping seat. The buckle and the rapping rod are fixedly connected to ensure a reliable connection between the two. A waist-shaped hole is provided on the rapping seat. One end of the rapping seat extends to the cavity between the rapping rod and the buckle. A bolt passes through the waist-shaped hole and is connected to the rapping rod. The bolt is fixedly connected to the rapping rod and passes through the waist-shaped hole on the rapping seat at the same time, thereby limiting the rapping seat and ensuring that the rapping seat can only move relative to the rapping rod in the direction in which the waist-shaped hole extends. When the pipe bank expands and changes due to heat, the pipe bank can be guaranteed to freely expand and contract within a limited range, and the expansion amount can be released to avoid the problem of stress concentration in the pipe bank elbow, reduce the probability of boiler leakage, and ensure the safety of the kiln tail boiler rapping device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following is a brief description of the contents and symbols in the drawings of this specification:

[0018] Figure 1 This is a schematic diagram of the main structure of the kiln tail boiler vibration device described in the utility model;

[0019] Figure 2 This is a side structural diagram of the kiln tail boiler vibration device of the utility model;

[0020] Figure 3 This is a side structural diagram of the buckle of the kiln tail boiler rapping device described in the utility model;

[0021] Figure 4 This is a schematic diagram of the main structure of the buckle of the kiln tail boiler rapping device described in the utility model;

[0022] The marks in the accompanying drawings are: 1. rapping rod; 2. buckle; 3. rapping seat; 4. waist-shaped hole; 5. buckle body surface; 6. first folded edge of buckle; 7. second folded edge of buckle; 8. pipe row; 9. bolt. DETAILED DESCRIPTION

[0023] The following is a detailed description of the embodiments of the present invention, such as the shapes, structures, positions and connections of the various components involved, the functions and working principles of the various components, etc., by referring to the accompanying drawings.

[0024] As attached Figure 1 -Attached Figure 4 As shown, the utility model is a rapping device for a kiln tail boiler, wherein a buckle 2 is provided on a rapping rod 1, a cavity is formed between the rapping rod 1 and the buckle 2, a waist-shaped hole 4 is provided on a rapping seat 3, one end of the rapping seat 3 extends to the cavity between the rapping rod 1 and the buckle 2, and a bolt 9 passes through the waist-shaped hole 4 and is connected to the rapping rod 1. The above structure proposes an improved technical solution in view of the deficiencies in the prior art. When the structure is set, a rapping rod 1 and a rapping seat 2 are provided, the rapping rod 1 is used for rapping, the rapping seat 3 is connected to the rapping rod 1, and is connected to the pipe row 8 at the same time to transmit the rapping force of the rapping rod 1 to the pipe row 8, thereby achieving effective rapping. The vibrating rod 1 is provided with a buckle 2, and there is a cavity between the vibrating rod 1 and the buckle 2. The buckle 2 can limit the vibrating seat 3, and the buckle 3 is fixedly connected to the vibrating rod 1 to ensure that the connection between the two is reliable. A waist-shaped hole 4 is provided on the vibrating seat 3, and one end of the vibrating seat 3 extends to the cavity between the vibrating rod 1 and the buckle 2. A bolt 9 passes through the waist-shaped hole 4 and is connected to the vibrating rod 1. The bolt 9 is fixedly connected to the vibrating rod 1, and at the same time passes through the waist-shaped hole 4 on the vibrating seat 3, thereby limiting the vibrating seat 3, ensuring that the vibrating seat 3 can only move relative to the vibrating rod 1 in the direction in which the waist-shaped hole 4 extends, eliminating the harm caused by the expansion of the pipe row 8 when heated. The kiln tail boiler vibrating device described in the utility model has a simple structure. When the pipe row is heated and expanded, it can ensure that the pipe row can freely expand and contract within a limited range, can release the expansion amount, avoid causing the problem of stress concentration in the pipe row elbow, reduce the probability of boiler leakage, and ensure the safety of the kiln tail boiler vibrating device.

[0025] The buckle 2 includes a buckle body surface 5, a first buckle folded edge portion 6, and a second buckle folded edge portion 7. The buckle body surface 5, the first buckle folded edge portion 6, and the second buckle folded edge portion 7 form an N-shaped structure. The first buckle folded edge portion 6 and the second buckle folded edge portion 7 of the buckle 2 are respectively welded to the rapping rod 1. This structure ensures that the buckle 2 is securely connected to the rapping rod 1 and forms a cavity for accommodating the rapping seat 3, facilitating subsequent connection of the limited rapping seat 3.

[0026] The buckle 2 has a waist-shaped hole 4 formed on its main body surface 5. The waist-shaped hole 4 extends perpendicularly to the direction of extension of the rapping rod 1, which is arranged vertically. The rapping seat 3 is connected to the pipe bank 8. With this structure, movement of the pipe bank 8 drives the rapping seat 3 in sync. The waist-shaped hole 4 extends horizontally, allowing the pipe bank 8 to expand due to heat, allowing for horizontal telescopic movement.

[0027] The rapping rod 1 is provided with a plurality of buckles 2 at intervals from top to bottom, each buckle 2 is connected to a rapping seat 3, and each rapping seat 3 is connected to a pipe row 8. The above structure is provided with buckles 2 and rapping seats 3 according to the number of pipe rows to achieve reliable connection.

[0028] The bolt 9 is welded to the rapping rod 1, or the bolt 9 is screwed to the screw hole on the rapping rod 1. The above structure ensures that the bolt 9 can be reliably connected to the rapping rod 1.

[0029] The buckle body surface 5, the first buckle folding portion 6 and the second buckle folding portion 7 of the buckle 2 are an integrated structure, and the buckle 2 is made of metal material. The above structure is an integrated buckle, which has a simple processing technology, low cost, good strength, and can be connected by welding.

[0030] The kiln tail boiler rapping device described in the present invention is structurally arranged to include a rapping rod 1 and a rapping seat 2. The rapping rod 1 is used for rapping, and the rapping seat 3 is connected to the rapping rod 1 and is also connected to the pipe row 8 to transmit the rapping force of the rapping rod 1 to the pipe row 8, thereby achieving effective rapping. A buckle 2 is provided on the rapping rod 1, and there is a cavity between the rapping rod 1 and the buckle 2. The buckle 2 can limit the rapping seat 3, and the buckle 3 is fixedly connected to the rapping rod 1 to ensure a reliable connection between the two. A waist-shaped hole 4 is provided on the rapping seat 3, and one end of the rapping seat 3 extends to the cavity between the rapping rod 1 and the buckle 2. The bolt 9 passes through the waist-shaped hole 4 and is connected to the rapping rod 1. The bolt 9 is fixedly connected to the rapping rod 1 and at the same time passes through the waist-shaped hole 4 on the rapping seat 3, thereby limiting the rapping seat 3 and ensuring that the rapping seat 3 can only move relative to the rapping rod 1 in the direction in which the waist-shaped hole 4 extends. When the pipe bank 8 expands and changes due to heat, the pipe bank 8 can be guaranteed to freely expand and contract within a limited range, thereby releasing the force generated by the expansion, avoiding the problem of stress concentration in the pipe bank elbow, reducing the probability of boiler leakage, and ensuring the safety of the kiln tail boiler rapping device.

[0031] The above is an exemplary description of the present invention in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the scope of protection of the present invention.

Claims

1. A kiln tail boiler vibrating device, characterized by: A buckle (2) is provided on the rapping rod (1), a cavity is formed between the rapping rod (1) and the buckle (2), a waist-shaped hole (4) is provided on the rapping seat (3), one end of the rapping seat (3) extends to the cavity between the rapping rod (1) and the buckle (2), and a bolt (9) passes through the waist-shaped hole (4) and is connected to the rapping rod (1).

2. The kiln tail boiler rapping device according to claim 1, characterized in that: The buckle (2) comprises a buckle body surface (5), a buckle first folded edge portion (6) and a buckle second folded edge portion (7); the buckle body surface (5), the buckle first folded edge portion (6) and the buckle second folded edge portion (7) are in an N-shaped structure.

3. The kiln tail boiler rapping device according to claim 2, characterized in that: The first buckle folding portion (6) and the second buckle folding portion (7) of the buckle (2) are respectively welded and connected to the rapping rod (1).

4. The kiln tail boiler rapping device according to claim 2 or 3, characterized in that: A waist-shaped hole (4) is provided on the buckle body surface (5) of the buckle (2), and the extension direction of the waist-shaped hole (4) is perpendicular to the extension direction of the rapping rod (1), and the rapping rod (1) is arranged vertically.

5. The kiln tail boiler rapping device according to claim 1 or 2, characterized in that: The rapping seat (3) is connected to the pipe row (8).

6. The kiln tail boiler rapping device according to claim 1 or 2, characterized in that: The rapping rod (1) is provided with a plurality of buckles (2) at intervals from top to bottom, each buckle (2) is connected to a rapping seat (3), and each rapping seat (3) is connected to a pipe row (8).

7. The kiln tail boiler rapping device according to claim 1 or 2, characterized in that: The bolt (9) is connected to the rapping rod (1) by welding, or the bolt (9) is connected to the screw hole on the rapping rod (1) by screwing.

8. The kiln tail boiler rapping device according to claim 1, characterized in that: The buckle body surface (5), the buckle first folded edge portion (6) and the buckle second folded edge portion (7) of the buckle (2) are an integrated structure, and the buckle (2) is a structure made of metal material.

Citation Information

Patent Citations

  • Rapping device and rapping method for heated tube suspended structure of kiln tail waste heat boiler of cement kiln

    CN101858590A