Coal drop pipeline of thermal power plant

Abstract

The utility model discloses a coal drop pipeline of a thermal power plant, which relates to the field of coal drop pipelines and comprises a conveying pipeline, a first flange plate is fixedly connected to the outer wall of the conveying pipeline, an insertion hole is formed in the first flange plate, and a second flange plate is mounted on the outer wall of the first flange plate. An inserting block is fixedly connected to the outer wall of the second flange plate, a bolt is installed in the second flange plate, a nut is installed on the outer wall of the bolt, a connecting pipe is fixedly connected to the inner wall of the second flange plate, an inserting ring is fixedly connected to one end of the connecting pipe, and the connecting pipe is moved to drive the inserting ring to be inserted into the conveying pipeline. And the bolt penetrates through the second flange plate and the first flange plate, the nut is moved to one end of the bolt, and the bolt is rotated, so that the effect of conveniently carrying out butt-joint installation on the conveying pipeline and the connecting pipe is achieved, and the butt-joint installation efficiency of the coal drop pipeline is improved.

Description

Technical Field

[0001] The utility model relates to the field of coal dropping pipelines, in particular to a coal dropping pipeline for a thermal power plant. Background Art

[0002] Coal drop pipe is a general term for coal transportation pipelines in industries such as coal, ports, thermal power, coal dumping stations, coal washing plants, thermal power plants, and coal-fired industrial boilers. At present, when connecting coal drop pipes, two pipes are often butt-jointed first to align the through holes of the installation bolts, and then they are installed and connected by bolts. This is time-consuming and labor-intensive, so a coal drop pipe for a thermal power plant is needed.

[0003] The existing coal dropping pipelines in thermal power plants are not convenient to quickly connect and install two coal dropping pipelines during use, and the elbows of the existing coal dropping pipelines are prone to accumulation and blockage. At the same time, the wear resistance of the existing coal dropping pipelines needs to be improved. Therefore, a thermal power plant coal dropping pipeline is urgently needed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a coal dropping pipeline for a thermal power plant to solve the problems that the existing coal dropping pipelines for thermal power plants are inconvenient to quickly connect and install two coal dropping pipelines, and the pipeline elbows are prone to accumulation and blockage and the pipeline wear resistance is poor.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal-dropping pipeline of a thermal power plant, comprising a conveying pipeline, the outer wall of the conveying pipeline is fixedly connected to a first flange, the interior of the first flange is provided with an insertion hole, the outer wall of the first flange is installed with a second flange, the outer wall of the second flange is fixedly connected to an insertion block, the interior of the second flange is installed with bolts, the outer wall of the bolts is installed with nuts, the inner wall of the second flange is fixedly connected to a connecting pipe, and one end of the connecting pipe is fixedly connected to an insertion ring.

[0006] A rotating handle is installed on the outer wall of the conveying pipeline, a rotating rod is fixedly connected to the outer wall of the rotating handle, a first material passing rod is fixedly connected to the outer wall of the rotating rod, and a second material passing rod is fixedly connected to the outer wall of the rotating rod.

[0007] The inner wall of the delivery pipeline is fixedly connected with a wear-resistant coating.

[0008] Preferably, the insert block is snap-connected to the first flange via an insert hole, and the insert hole is symmetrically arranged with respect to the central axis of the first flange.

[0009] Preferably, the bolt is threadedly connected to the nut, and the bolt is adapted to the nut.

[0010] Preferably, the connecting pipe is snap-connected to the delivery pipe via an insert ring, and the insert ring fits against the inner wall of the delivery pipe.

[0011] Preferably, the first feeding rod forms a rotating structure with the conveying pipe through a rotating rod, and the second feeding rod forms a rotating structure with the conveying pipe through a rotating rod.

[0012] Preferably, the second feeding rod is symmetrically arranged with respect to the central axis of the rotating rod, and the length of the second feeding rod is greater than that of the first feeding rod.

[0013] Preferably, the material of the conveying pipeline is wear-resistant ceramic, and the material of the wear-resistant coating is polymer coating.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model is provided with a conveying pipeline, a first flange, a socket, a second flange, an insert, a bolt, a nut, a connecting pipe and an insert ring. The connecting pipe is moved to drive the insert ring to be inserted into the conveying pipeline, and the insert block is inserted into the socket for docking. The bolt is passed through the second flange and the first flange, the nut is moved to one end of the bolt and the bolt is rotated, so as to facilitate the docking installation of the conveying pipeline and the connecting pipe, thereby improving the efficiency of the docking installation of the coal falling pipeline;

[0016] 2. The utility model provides a conveying pipeline, a rotating handle, a rotating rod, a first feeding rod and a second feeding rod. When the coal powder is conveyed to the elbow of the conveying pipeline, the first feeding rod and the second feeding rod can be impacted, so that the first feeding rod and the second feeding rod fixedly connected to the outer wall of the rotating rod rotate. When the elbow of the conveying pipeline is seriously blocked, the first feeding rod and the second feeding rod can be rotated by rotating the rotating handle to dredge the coal powder, thereby preventing the elbow of the conveying pipeline from being blocked and accumulated.

[0017] 3. The utility model provides a conveying pipe and a wear-resistant coating. The material of the conveying pipe is wear-resistant ceramic, which can improve the wear resistance of the coal dropping pipe. The inner wall of the conveying pipe is fixedly connected with a wear-resistant coating, and the material of the wear-resistant coating is a polymer coating, which can improve the service life of the coal dropping pipe. 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 This is a structural breakdown diagram of the utility model;

[0020] Figure 3 This is a three-dimensional cross-sectional view of the delivery pipeline of the utility model;

[0021] Figure 4 It is a three-dimensional diagram of the conveying pipeline of the utility model.

[0022] In the figure: 1. conveying pipeline; 2. first flange; 3. socket; 4. second flange; 5. plug; 6. bolt; 7. nut; 8. connecting pipe; 9. plug ring; 10. handle; 11. rotating rod; 12. first feeding rod; 13. second feeding rod; 14. wear-resistant coating. 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0024] The following describes an embodiment of the utility model based on its overall structure.

[0025] See also Figure 1-4 A coal-dropping pipeline for a thermal power plant comprises a conveying pipeline 1, the outer wall of which is fixedly connected with a first flange 2, a socket 3 is provided inside the first flange 2, a second flange 4 is installed on the outer wall of the first flange 2, an insert block 5 is fixedly connected to the outer wall of the second flange 4, a bolt 6 is installed inside the second flange 4, a nut 7 is installed on the outer wall of the bolt 6, a connecting pipe 8 is fixedly connected to the inner wall of the second flange 4, an insert ring 9 is fixedly connected to one end of the connecting pipe 8, the insert block 5 is snap-fitted and connected to the first flange 2 through the socket 3, and the socket 3 is symmetrically arranged with the central axis of the first flange 2, the bolt 6 is threadedly connected to the nut 7, and the bolt 6 is adapted to the nut 7, the connecting pipe 8 is snap-fitted and connected to the conveying pipeline 1 through the insert ring 9, and the insert ring 9 fits with the inner wall of the conveying pipeline 1, so that the conveying pipeline 1 and the connecting pipe 8 can be conveniently docked and installed.

[0026] See also Figure 1-4 A coal-dropping pipeline for a thermal power plant, wherein a rotating handle 10 is installed on the outer wall of a conveying pipeline 1, a rotating rod 11 is fixedly connected to the outer wall of the rotating handle 10, a first feeding rod 12 is fixedly connected to the outer wall of the rotating rod 11, a second feeding rod 13 is fixedly connected to the outer wall of the rotating rod 11, the first feeding rod 12 forms a rotating structure with the conveying pipeline 1 through the rotating rod 11, and the second feeding rod 13 forms a rotating structure with the conveying pipeline 1 through the rotating rod 11, the second feeding rod 13 is symmetrically arranged with the central axis of the rotating rod 11, and the length of the second feeding rod 13 is greater than the first feeding rod 12, which can prevent blockage and accumulation at the elbow of the conveying pipeline 1.

[0027] See also Figure 1-4 A coal-dropping pipeline for a thermal power plant, wherein the inner wall of the delivery pipeline 1 is fixedly connected with a wear-resistant coating 14, the delivery pipeline 1 is made of wear-resistant ceramic, and the wear-resistant coating 14 is made of a polymer coating, which can improve the wear resistance of the coal-dropping pipeline.

[0028] Working principle: When in use, the plug ring 9 is driven to be inserted into the conveying pipeline 1 by moving the connecting pipe 8, and the plug block 5 is inserted into the socket 3 for docking, the bolt 6 is passed through the second flange 4 and the first flange 2, the nut 7 is moved to one end of the bolt 6 and the bolt 6 is rotated, which facilitates the docking and installation of the conveying pipeline 1 and the connecting pipe 8. When the coal powder is transported to the elbow of the conveying pipeline 1, the first feeding rod 12 and the second feeding rod 13 can be impacted, so that the first feeding rod 12 and the second feeding rod 13 fixedly connected to the outer wall of the rotating rod 11 rotate, and when the elbow of the conveying pipeline 1 When the blockage is serious, the first material passing rod 12 and the second material passing rod 13 can be rotated by rotating the handle 10 to dredge the coal powder, thereby preventing blockage and accumulation at the elbow of the conveying pipeline 1. The conveying pipeline 1 is made of wear-resistant ceramics, which can improve the wear resistance of the coal dropping pipeline. The inner wall of the conveying pipeline 1 is fixedly connected with a wear-resistant coating 14, and the material of the wear-resistant coating 14 is a polymer coating, which can improve the service life of the coal dropping pipeline. In this way, the use process of the device is completed. The contents not described in detail in this manual belong to the existing technology known to professional and technical personnel in this field.

[0029] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A coal delivery pipeline for a thermal power plant, comprising a delivery pipeline (1), characterized in that: The outer wall of the delivery pipeline (1) is fixedly connected with a first flange (2), an insertion hole (3) is provided inside the first flange (2), a second flange (4) is installed on the outer wall of the first flange (2), an insert block (5) is fixedly connected to the outer wall of the second flange (4), a bolt (6) is installed inside the second flange (4), a nut (7) is installed on the outer wall of the bolt (6), a connecting pipe (8) is fixedly connected to the inner wall of the second flange (4), and an insert ring (9) is fixedly connected to one end of the connecting pipe (8); The outer wall of the conveying pipe (1) is provided with a rotating handle (10), the outer wall of the rotating handle (10) is fixedly connected to a rotating rod (11), the outer wall of the rotating rod (11) is fixedly connected to a first material passing rod (12), and the outer wall of the rotating rod (11) is fixedly connected to a second material passing rod (13); A wear-resistant coating (14) is fixedly connected to the inner wall of the delivery pipeline (1).

2. The coal dropping pipeline of a thermal power plant according to claim 1, characterized in that: The insert block (5) is snap-connected to the first flange (2) via the insert hole (3), and the insert hole (3) is symmetrically arranged with respect to the central axis of the first flange (2).

3. The coal dropping pipeline of a thermal power plant according to claim 1, characterized in that: The bolt (6) is threadedly connected to the nut (7), and the bolt (6) and the nut (7) are matched.

4. The coal dropping pipeline of a thermal power plant according to claim 1, characterized in that: The connecting pipe (8) is snap-connected to the conveying pipe (1) via an insert ring (9), and the insert ring (9) fits against the inner wall of the conveying pipe (1).

5. The coal dropping pipeline of a thermal power plant according to claim 1, characterized in that: The first material passing rod (12) forms a rotating structure with the conveying pipeline (1) through the rotating rod (11), and the second material passing rod (13) forms a rotating structure with the conveying pipeline (1) through the rotating rod (11).

6. The coal dropping pipeline of a thermal power plant according to claim 1, characterized in that: The second feeding rod (13) is symmetrically arranged with respect to the central axis of the rotating rod (11), and the length of the second feeding rod (13) is greater than that of the first feeding rod (12).

7. The coal dropping pipeline of a thermal power plant according to claim 1, characterized in that: The material of the conveying pipeline (1) is wear-resistant ceramic, and the material of the wear-resistant coating (14) is a polymer coating.

Images