Boiler soot blower pipeline connecting structure of thermal power plant

Abstract

The utility model discloses a thermal power plant boiler soot blower pipeline connecting structure which comprises a soot blower pipeline and a boiler pipeline, the soot blower pipeline is arranged on one side of the boiler pipeline, the outer wall of one end of the soot blower pipeline is communicated with a variable-diameter pipeline in a welding mode, the section of the variable-diameter pipeline is of an isosceles trapezoid structure, and the section of the variable-diameter pipeline is of an isosceles trapezoid structure. A rubber pad is bonded to the outer wall of the variable-diameter pipeline, the thickness of the rubber pad is 5 mm, and a steel wire is embedded in the rubber pad. The innovative design that the cross section of the variable-diameter pipeline is in the shape of the isosceles trapezoid is adopted, the unique structure endows the connecting structure with strong adaptive capacity, after the variable-diameter pipeline is inserted into the boiler pipeline, the rubber pad adhered to the outer wall of the variable-diameter pipeline can be tightly extruded with a port of the inner wall of the boiler pipeline, and the variable-diameter pipeline can be in butt joint with boiler pipelines with different calibers. The universality and the market adaptability of the product are greatly improved, and the installation limitation and the cost caused by the caliber difference of the boiler pipeline are reduced.

Description

Technical Field

[0001] This utility model relates to the field of pipeline connection structure technology, specifically to a pipeline connection structure for a boiler soot blower in a thermal power plant. Background Technology

[0002] In the field of boiler sootblower pipe connection in thermal power plants, traditional connection methods often face many challenges.

[0003] Due to differences in boiler pipe diameters, different boiler models are equipped with pipes of varying sizes, which greatly complicates the connection of sootblower pipes. Previously, to accommodate boiler pipes of various diameters, it was typically necessary to prepare multiple different sizes of connectors. This not only increased the difficulty and cost of inventory management but also required operators to spend a significant amount of time selecting and matching connectors during installation, resulting in low installation efficiency.

[0004] To address this issue, we propose a new pipe connection structure for the soot blower in a thermal power plant boiler, which solves the aforementioned problems. Utility Model Content

[0005] The purpose of this utility model is to provide a pipe connection structure for a boiler soot blower in a thermal power plant, so as to solve the above-mentioned shortcomings in the technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a connection structure for a sootblower pipe in a thermal power plant boiler, comprising a sootblower pipe and a boiler pipe, wherein the sootblower pipe is located on one side of the boiler pipe, and a reducing pipe is welded to the outer wall of one end of the sootblower pipe. The reducing pipe has an isosceles trapezoidal cross-section, and a rubber pad is bonded to the outer wall of the reducing pipe. The rubber pad has a thickness of 5mm, and steel wire is embedded inside the rubber pad.

[0007] Preferably, the end of the variable diameter pipe away from the sootblower pipe is connected to a fixed pipe by welding. The inner diameter of the fixed pipe is smaller than the inner diameter of the sootblower pipe and smaller than the inner diameter of the boiler pipe.

[0008] Preferably, a fixing frame is fixedly provided at the connection between the sootblower pipe and the reducing pipe, and handles are fixedly provided on both outer walls of the fixing frame by welding.

[0009] Preferably, the top and bottom of the fixing frame are fixedly provided with fixing rods on one side of the outer wall of the boiler pipe, and the outer walls of the two fixing rods are provided with internal thread positioning holes, and the inner walls of the two internal thread positioning holes are screwed with thread positioning rods.

[0010] Preferably, a fixing plate is fixedly provided on the outer wall of one end of the two threaded positioning rods, a rubber extrusion pad is bonded to one side of the outer wall of the fixing plate, and a wheel is fixedly provided on the outer wall of the other end of the threaded positioning rod.

[0011] Preferably, the sootblower pipe, the reducing pipe, and the fixed pipe are integrally processed from aluminum alloy material.

[0012] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0013] By adopting an innovative design with an isosceles trapezoidal cross-section, the variable diameter pipe gives the connection structure a strong adaptability. After the variable diameter pipe is inserted into the boiler pipe, the rubber gasket on its outer wall can be tightly squeezed against the inner wall of the boiler pipe, enabling it to connect with boiler pipes of different diameters. This greatly improves the product's versatility and market adaptability, and reduces the installation restrictions and costs caused by differences in boiler pipe diameters. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0015] Figure 1 This is a three-dimensional structural diagram of a pipe connection structure for a soot blower in a thermal power plant boiler, according to the present invention.

[0016] Figure 2 This is a schematic diagram of the sootblower pipe structure of a boiler sootblower in a thermal power plant, according to the present invention.

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of a variable-diameter pipe for connecting pipes of a boiler soot blower in a thermal power plant, according to the present invention.

[0018] Figure 4 This is a schematic diagram of the threaded positioning rod structure of the pipeline connection structure of the soot blower in a thermal power plant boiler according to the present invention.

[0019] Explanation of reference numerals in the attached figures:

[0020] 1. Sootblower pipe, 2. Boiler pipe, 3. Reducing pipe, 4. Fixed pipe, 5. Rubber pad, 6. Fixed frame, 7. Fixed rod, 8. Internal thread positioning hole, 9. Threaded positioning rod, 10. Fixed plate, 11. Rubber extrusion pad, 12. Wheel, 13. Handle. Detailed Implementation

[0021] The following drawings will disclose several embodiments of this utility model. For clarity, many physical details will be described in the following description. However, it should be understood that these physical details should not be used to limit this utility model. That is, in some embodiments of this utility model, these physical details are not essential. In addition, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0022] Example 1

[0023] Refer to the instruction manual appendix Figure 1-4 A connection structure for a sootblower pipe in a thermal power plant boiler includes a sootblower pipe 1 and a boiler pipe 2. First, the sootblower pipe 1 and a reducing pipe 3 are fixedly connected by welding. The reducing pipe 3 has an isosceles trapezoidal cross-section, with its outer diameter at the end furthest from the sootblower pipe 1 being smaller than that at the end closest to the sootblower pipe 1, facilitating subsequent insertion into the boiler pipe 2. A 5mm thick rubber pad 5 is pre-adhered to the outer wall of the reducing pipe 3, and steel wire is embedded inside the rubber pad 5 to enhance its structural strength and durability.

[0024] Example 2

[0025] Based on Embodiment 1, the fixed pipe 4 is fixedly connected to the other end of the reducing pipe 3 by welding. The inner diameter of the fixed pipe 4 is smaller than the inner diameter of the sootblower pipe 1 and also smaller than the inner diameter of the boiler pipe 2. The connection part between the sootblower pipe 1 and the reducing pipe 3 is placed in the fixed frame 6. The outer walls on both sides of the fixed frame 6 are fixed with handles 13 by welding to facilitate the operation of this utility model.

[0026] Example 3

[0027] Based on Embodiment 1, the sootblower pipe 1, the reducing pipe 3, and the fixed pipe 4 are moved to the interface of the boiler pipe 2. The reducing pipe 3 is slowly inserted into the inner wall of the boiler pipe 2 until the inner wall port of the boiler pipe 2 is tightly pressed against the outer wall of the rubber gasket 5 to form a preliminary sealing effect. After the reducing pipe 3 is inserted into place, the connecting structure is fixed to the outer wall of the boiler pipe 2 by the two fixing rods 7 at the top of the fixing frame 6. The outer wall of the fixing rod 7 has an internal thread positioning hole 8. The inner wall of the two internal thread positioning holes 8 is screwed with a threaded positioning rod 9. By rotating the threaded positioning rod 9, its extension length can be adjusted. After both threaded positioning rods 9 are adjusted to the appropriate position, the threaded positioning rods 9 are further rotated to tighten them. At this time, the fixing plate 10 at one end of the threaded positioning rod 9 will move closer to the outer wall of the boiler pipe 2 as the threaded positioning rod 9 moves. A rubber extrusion pad 11 is bonded to one side of the outer wall of the fixed plate 10. When the fixed plate 10 contacts the outer wall of the boiler pipe 2, the rubber extrusion pad 11 will be squeezed and deformed, thereby increasing the friction between the fixed plate 10 and the outer wall of the boiler pipe 2, and connecting the soot blower pipe 1 and the boiler pipe 2. A wheel 12 is fixed to the outer wall of the other end of the threaded positioning rod 9, which makes it easy for the operator to tighten or loosen the threaded positioning rod 9 by rotating the wheel 12.

[0028] Working principle of this utility model:

[0029] Refer to the instruction manual appendix Figure 1-4 When using this utility model, the sootblower pipe 1, the reducing pipe 3, and the fixing pipe 4 are moved to the interface of the boiler pipe 2. The reducing pipe 3 is slowly inserted into the inner wall of the boiler pipe 2 until the inner wall end of the boiler pipe 2 is tightly pressed against the outer wall of the rubber pad 5. The threaded positioning rod 9 is rotated to tighten it. The fixing plate 10 is pressed against the outer wall of the boiler pipe 2. A rubber extrusion pad 11 is adhered to one side of the outer wall of the fixing plate 10. The rubber extrusion pad 11 is pressed against the outer wall of the boiler pipe 2 to fix the sootblower pipe 1 to one side of the boiler pipe 2.

[0030] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A boiler soot blower pipe connection structure of a thermal power plant, comprising a soot blower pipe (1) and a boiler pipe (2), the soot blower pipe (1) being arranged on one side of the boiler pipe (2), characterized in that: One end of the outer wall of the soot blower pipe (1) is communicated with a reducing pipe (3) by welding, the cross section of the reducing pipe (3) is isosceles trapezoidal structure, the outer wall of the reducing pipe (3) is bonded with a rubber pad (5), the thickness of the rubber pad (5) is 5mm, and the rubber pad (5) is embedded with a steel wire.

2. A boiler sootblower piping connection structure for a thermal power plant according to claim 1, characterized in that: The end of the reducing pipe (3) away from the soot blower pipe (1) is communicated with a fixed pipe (4) by welding, the inner diameter of the fixed pipe (4) is smaller than the inner diameter of the soot blower pipe (1), and the inner diameter of the fixed pipe (4) is smaller than the inner diameter of the boiler pipe (2).

3. A boiler sootblower piping connection structure for a thermal power plant according to claim 1, characterized in that: The connecting part of the soot blower pipe (1) and the reducing pipe (3) is fixedly provided with a fixed frame (6), and the outer walls of the two sides of the fixed frame (6) are fixedly provided with handles (13) by welding.

4. A power plant boiler sootblower piping connection structure according to claim 3, characterized in that: The top and bottom of the fixed frame (6) are fixedly provided with fixed rods (7) on one side of the outer wall of the boiler pipe (2), the outer walls of the two fixed rods (7) are provided with internally threaded positioning holes (8), and the inner walls of the two internally threaded positioning holes (8) are screwed with threaded positioning rods (9).

5. A power plant boiler sootblower piping connection structure according to claim 4, characterized in that: One end of the outer wall of the two threaded positioning rods (9) is fixedly provided with a fixed disc (10), one side of the outer wall of the fixed disc (10) is bonded with a rubber extrusion pad (11), and the other end of the threaded positioning rod (9) is fixedly provided with a wheel disc (12).

6. A power plant boiler sootblower piping connection structure according to claim 1, characterized in that: The soot blower pipe (1), the reducing pipe (3) and the fixed pipe (4) are integrally processed by aluminum alloy material.

Images