Boiler pipeline protection structure

Abstract

The utility model provides a boiler pipeline protection structure, and relates to the technical field of boiler pipeline protection, the boiler pipeline protection structure comprises a first pipeline, a second pipeline, a first protection shell and a second protection shell, the top of the first protection shell is provided with a groove I, and the front end and the rear end of the first protection shell are provided with positioning grooves I; a second groove is formed in the top of the second protection shell, second positioning grooves are formed in the front end and the rear end of the second protection shell correspondingly, the first protection shell and the second protection shell wrap the flange plate, and a first sealing ring and a second sealing ring wrap the first pipeline. A first sealing gasket and a second sealing gasket conduct sealing treatment on the connecting position of the first protection shell and the second protection shell, steam leakage at the connecting position of the first pipeline and the second pipeline can be prevented, a screw can move inwards by rotating a rotating handle, flange plates are clamped through clamping plates, and the connecting stability between the flange plates is improved; the air tightness of the joint of the first pipeline and the second pipeline is prevented from being affected by bolt looseness.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler pipeline protection, in particular to a boiler pipeline protection structure. Background Art

[0002] For the existing pipelines inside a boiler, such as superheaters, high-temperature steam is introduced into their interiors, and they are affected by boiler flue gas externally. During the operation of the pipelines with steam introduced, they are prone to shaking, and steam is likely to leak at the connection positions. Therefore, it is necessary to protect the key positions of the pipelines.

[0003] For the existing pipeline connections, flanges are usually installed for connection and fixation. During the operation with steam introduced, after long-term use, the bolts are prone to loosening under the influence of steam flow or flue gas, resulting in steam leakage and affecting the steam transmission efficiency. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problem that after long-term use, the pipeline bolts are prone to loosening under the influence of steam flow or flue gas, resulting in steam leakage and affecting the steam transmission efficiency, and to propose a boiler pipeline protection structure.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a boiler pipeline protection structure, including a first pipeline, a second pipeline, a first protective shell and a second protective shell. Flange plates are fixedly connected to one side of the first pipeline and the second pipeline respectively. A first groove is opened at the top of the first protective shell, and first positioning grooves are opened at the front and rear ends of the first protective shell. The first positioning grooves communicate with the first groove. A second groove is opened at the bottom of the second protective shell, and second positioning grooves are opened at the front and rear ends of the second protective shell. The second positioning grooves communicate with the second groove. Rotating handles are provided at the front and rear ends of the first protective shell and the second protective shell.

[0006] Preferably, a first sealing ring is provided at the bottom of the first groove, a first sealing gasket is provided at the top of the first protective shell, a second sealing ring is provided at the top of the second positioning groove, and a second sealing gasket is provided at the bottom of the second protective shell.

[0007] Preferably, an installation groove is opened on one side of the first protective shell, a fixed shaft is fixedly installed inside the installation groove, an installation block is fixedly connected to the bottom of the second protective shell, and the installation block is movably installed on the surface of the fixed shaft.

[0008] Preferably, a first connecting block is fixedly connected to one side of the first protective shell, a second connecting block is fixedly connected to one side of the second protective shell, and through holes are opened at the tops of the first connecting block and the second connecting block.

[0009] Preferably, sleeves are fixedly installed inside both the first protective shell and the second protective shell. The inside of the sleeve is a hollow structure. Thread grooves are formed on the inner wall of the sleeve, and a sealing ring is fixedly installed at one end of the inner wall of the sleeve.

[0010] Preferably, a screw rod is fixedly connected to one side of the rotary handle. The other side of the screw rod is fixedly connected to a connecting rod. The other side of the connecting rod is fixedly connected to a clamping plate. The connecting rod movably penetrates through the inside of the sealing ring.

[0011] Preferably, the surface of the screw rod is threadedly connected to the inner wall of the sleeve.

[0012] Compared with the prior art, the advantages and positive effects of the present utility model are as follows.

[0013] 1. In the present utility model, the connection between the first protective shell and the second protective shell is movably connected, which can wrap the flange. The connection between the first pipe and the second pipe is installed inside the first groove and the second groove. The first sealing ring and the second sealing ring wrap the first pipe, and the first sealing gasket and the second sealing gasket seal the connection between the first protective shell and the second protective shell, which can prevent steam leakage at the connection between the first pipe and the second pipe.

[0014] 2. In the present utility model, one end of the screw rod is installed inside the sleeve through threads. By rotating the rotary handle, the screw rod can move inward. At the same time, the clamping plate moves into the first groove to clamp the flange, improving the stability of the connection between the flanges, preventing the bolts from loosening and affecting the airtightness at the connection between the first pipe and the second pipe. Moreover, the connecting rod is installed inside the sealing ring, which can improve the sealing performance during the installation of the protective shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a perspective view of the main body structure of a boiler pipeline protection structure proposed by the present utility model;

[0016] Figure 2 is a schematic view of the installation structure of the protective shell of a boiler pipeline protection structure proposed by the present utility model;

[0017] Figure 3 is a perspective view of the protective shell of a boiler pipeline protection structure proposed by the present utility model;

[0018] Figure 4 is a schematic view of the sectional connection structure of the rotary handle of a boiler pipeline protection structure proposed by the present utility model.

[0019] Legend: 1. First pipeline; 11. Flange; 2. Second pipeline; 3. First protective shell; 301. First groove; 302. First positioning groove; 303. Installation groove; 31. First sealing ring; 32. First gasket; 33. Fixed shaft; 34. First connecting block; 341. Through hole; 35. Sleeve; 36. Sealing ring; 351. Thread groove; 4. Second protective shell; 401. Second groove; 402. Second positioning groove; 41. Second sealing ring; 42. Second gasket; 43. Installation block; 44. Second connecting block; 5. Rotating handle; 51. Screw; 52. Connecting rod; 53. Clamp plate. Detailed implementation

[0020] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the following further describes the present utility model in conjunction with the drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0021] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the limitations of the specific embodiments disclosed in the following specification.

[0022] Embodiment 1

[0023] As Figures 1 - 4 shown, the present utility model provides a technical solution: a boiler pipeline protection structure, including a first pipeline 1, a second pipeline 2, a first protective shell 3 and a second protective shell 4. Flanges 11 are fixedly connected to one side of both the first pipeline 1 and the second pipeline 2. A first groove 301 is opened at the top of the first protective shell 3, and first positioning grooves 302 are opened at both the front and rear ends of the first protective shell 3. The first positioning grooves 302 communicate with the first groove 301. A second groove 401 is opened at the bottom of the second protective shell 4, and second positioning grooves 402 are opened at both the front and rear ends of the second protective shell 4. The second positioning grooves 402 communicate with the second groove 401. Rotating handles 5 are provided at both the front and rear ends of the first protective shell 3 and the second protective shell 4. A first sealing ring 31 is provided at the bottom of the first groove 301, a first gasket 32 is provided at the top of the first protective shell 3, a second sealing ring 41 is provided at the top of the second positioning groove 402, and a second gasket 42 is provided at the bottom of the second protective shell 4. An installation groove 303 is opened on one side of the first protective shell 3, and a fixed shaft 33 is fixedly installed inside the installation groove 303. An installation block 43 is fixedly connected to the bottom of the second protective shell 4, and the installation block 43 is movably installed on the surface of the fixed shaft 33. A first connecting block 34 is fixedly connected to one side of the first protective shell 3, a second connecting block 44 is fixedly connected to one side of the second protective shell 4, and through holes 341 are opened at the tops of both the first connecting block 34 and the second connecting block 44.

[0024] In this embodiment, the first pipe 1 is connected to the second pipe 2 through the installation flange 11. The second protective shell 4 is rotated and opened, the installation block 43 rotates around the fixed shaft 33 as the center, and the first protective shell 3 is sleeved at the bottom of the flange. Then, the second protective shell 4 is rotated back, so that the upper and lower ends of the flange 11 are respectively installed inside the first groove 301 and the second groove 401. One end of the surface of the first pipe 1 is respectively located inside the first positioning groove 302 and the second positioning groove 402. The first sealing ring 31 and the second sealing ring 41 are attached to the outer wall of the first pipe 1. The same applies to the second pipe 2. The first gasket 32 and the second gasket 42 are closely attached to each other, so that the inside of the first groove 301 and the second groove 401 is in a sealed state. When the first protective shell 3 and the second protective shell 4 limit and fix the flange 11, the first connecting block 34 and the second connecting block 44 are in a parallel state. By using the fixing screw to penetrate the through hole 341 at the top of the first connecting block 34 and the second connecting block 44, the first protective shell 3 and the second protective shell 4 are connected and fixed, wrapping and protecting the flange 11 to prevent the flange 11 from loosening and causing steam leakage.

[0025] Embodiment 2

[0026] As Figures 1 - 4 shown, sleeves 35 are fixedly installed inside both the first protective shell 3 and the second protective shell 4. The inside of the sleeve 35 has a hollow structure. Thread grooves 351 are provided on the inner wall of the sleeve 35. One end of the inner wall of the sleeve 35 is fixedly installed with a sealing ring 36. One side of the rotary handle 5 is fixedly connected with a screw rod 51. The other side of the screw rod 51 is fixedly connected with a connecting rod 52. The other side of the connecting rod 52 is fixedly connected with a clamping plate 53. The connecting rod 52 movably penetrates inside the sealing ring 36. The surface of the screw rod 51 is threadedly connected with the inner wall of the sleeve 35.

[0027] In this embodiment, when the flange 11 is installed inside the first groove 301 and the second groove 401, by rotating the rotary handle 5 to drive the screw rod 51 to rotate, the screw rod 51 rotates on the inner wall of the sleeve 35 and moves towards the inside of the first groove 301, and drives the connecting rod 52 and the clamping plate 53 to move inwards. The sealing ring 36 seals the outer surface of the connecting rod 52 to prevent gas from flowing out of the inside of the sleeve 35 and affecting the airtightness inside the first protective shell 3 and the second protective shell 4. The clamping plate 53 gradually approaches the surface of the flange 11 to clamp and fix the flange 11, improving the connection stability between the two flanges 11.

[0028] Working principle of this embodiment: The first pipeline 1 and the second pipeline 2 are connected through the installation flange 11. The first protective shell 3 and the second protective shell 4 are installed on the surface of the flange 11. The fixing screw is inserted into the through holes 341 at the tops of the first connecting block 34 and the second connecting block 44 to connect and fix the first protective shell 3 and the second protective shell 4, so as to wrap and protect the flange 11. One end of the surface of the first pipeline 1 is respectively located inside the first positioning groove 302 and the second positioning groove 402. The first sealing ring 31 and the second sealing ring 41 are attached to the outer wall of the first pipeline 1. The first sealing pad 32 and the second sealing pad 42 are closely attached to each other, so that the inside of the first groove 301 and the second groove 401 is in a sealed state, preventing steam leakage caused by loosening between the flanges 11. Subsequently, turn the handle 5 to drive the screw 51 to rotate. The screw 51 rotates inside the inner wall of the sleeve 35 and moves into the first groove 301, and drives the connecting rod 52 and the clamping plate 53 to move inwards. The clamping plate 53 gradually approaches the surface of the flange 11 to clamp and fix it, improving the connection stability between the two flanges 11 and reducing the looseness at the connection of the first pipeline 1 and the second pipeline 2.

[0029] The above is only a preferred embodiment of the present invention, and it is not a limitation of the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A boiler pipeline protection structure, comprising a first pipeline (1), a second pipeline (2), a first protective shell (3) and a second protective shell (4), characterized in that: On one side of the first pipeline (1) and the second pipeline (2), a flange (11) is fixedly connected. On the top of the first protective shell (3), a first groove (301) is opened. On the front and rear ends of the first protective shell (3), a first positioning groove (302) is opened. The first positioning groove (302) communicates with the first groove (301). On the bottom of the second protective shell (4), a second groove (401) is opened. On the front and rear ends of the second protective shell (4), a second positioning groove (402) is opened. The second positioning groove (402) communicates with the second groove (401). On the front and rear ends of the first protective shell (3) and the second protective shell (4), a turning handle (5) is provided.

2. The boiler pipe protection structure according to claim 1, characterized in that: At the bottom of the first groove (301), a first sealing ring (31) is provided. On the top of the first protective shell (3), a first sealing gasket (32) is provided. At the top of the second positioning groove (402), a second sealing ring (41) is provided. On the bottom of the second protective shell (4), a second sealing gasket (42) is provided.

3. A boiler pipeline protection structure according to claim 1, characterized in that: On one side of the first protective shell (3), an installation groove (303) is opened. Inside the installation groove (303), a fixed shaft (33) is fixedly installed. At the bottom of the second protective shell (4), an installation block (43) is fixedly connected. The installation block (43) is movably installed on the surface of the fixed shaft (33).

4. A boiler pipeline protection structure according to claim 1, characterized in that: On one side of the first protective shell (3), a first connecting block (34) is fixedly connected. On one side of the second protective shell (4), a second connecting block (44) is fixedly connected. On the top of the first connecting block (34) and the top of the second connecting block (44), a through hole (341) is opened.

5. A boiler pipeline protection structure according to claim 1, characterized in that: Inside the first protective shell (3) and the second protective shell (4), a sleeve (35) is fixedly installed. The inside of the sleeve (35) is a hollow structure. On the inner wall of the sleeve (35), a thread groove (351) is opened. At one end of the inner wall of the sleeve (35), a sealing ring (36) is fixedly installed.

6. The boiler pipeline protection structure according to claim 1, characterized in that: On one side of the turning handle (5), a screw rod (51) is fixedly connected. On the other side of the screw rod (51), a connecting rod (52) is fixedly connected. On the other side of the connecting rod (52), a clamping plate (53) is fixedly connected. The connecting rod (52) movably penetrates through the inside of the sealing ring (36).

7. A boiler pipeline protection structure according to claim 6, characterized in that: The surface of the screw rod (51) is threadedly connected with the inner wall of the sleeve (35).

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