Assembly device for large-diameter multi-pipe-section flue gas pipeline

Abstract

The utility model relates to an assembly device for a large-diameter multi-pipe-section flue gas pipeline, which comprises a bottom pipe bracket, vertical support rods and an arc-shaped pipeline support frame, two rows of vertical support rods which are longitudinally arranged are symmetrically mounted at two ends of the upper end surface of the bottom pipe bracket, and a longitudinal mounting frame is mounted at the upper ends of the vertical support rods in the same row; arc-shaped pipeline supporting frames are mounted on the longitudinal mounting frame, a plurality of flue gas pipelines which are arranged side by side front and back are mounted between the two arc-shaped pipeline supporting frames, each arc-shaped pipeline supporting frame comprises a plurality of arc-shaped brackets and a longitudinal baffle, and the arc-shaped brackets are arranged side by side front and back; the upper ends of the arc-shaped supports are in butt joint through a longitudinal baffle. The device has the characteristics of simple structure, convenience in assembly, capability of improving the assembly efficiency of the flue pipe sections, and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline installation, in particular to an assembly device for large-diameter multi-pipe-section flue gas pipelines. Background Art

[0002] With the gradual implementation of policy requirements such as ultra-low emissions and "dual carbon", major steel bases have responded to the country's "green steel" call, and actively promoted the construction of green and environmentally friendly demonstration projects with the goals of high efficiency, intensiveness and energy conservation. Flue gas treatment emissions, as the primary goal of ultra-low emission transformation projects, have the characteristics of large emissions, low emission pressure, and complex system pipelines. The diameter of most main pipes of flue gas pipelines is usually 3500-6700mm. It is impossible to directly purchase finished pipes or transport them as a whole. Steel plates need to be rolled on site and then welded. Compared with other system pipelines, due to the on-site coiling length limit, the proportion of straight pipe section welding in flue gas pipelines is relatively large. At the same time, the ovality of the coiled pipe is also easily affected by equipment and personnel operation. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a large-diameter multi-segment flue gas duct assembly device. In view of the characteristics of the flue gas duct being long, complex installation conditions, large diameter, many pipe segment interfaces and large welding amount, a large-diameter multi-segment flue gas duct assembly device is provided. The levels of the multiple pipe segments are adjusted simultaneously by a pipe bracket, a small motor at the bottom rotates the pipe segment to adjust the matching orientation, and adjustment frames on both sides perform local corrections. While ensuring the horizontality of the multi-segment flue assembly, the flue segment assembly efficiency is improved.

[0004] The technical solution adopted by the utility model to solve its technical problems is: to provide a large-diameter multi-segment flue gas duct assembly device, including a bottom pipe bracket, a vertical support rod and an arc-shaped pipe support frame, two rows of vertical support rods arranged longitudinally are symmetrically installed at both ends of the upper end surface of the bottom pipe bracket, and the upper ends of the vertical support rods in the same row are installed with a longitudinal mounting frame, and the arc-shaped pipe support frame is installed on the longitudinal mounting frame, and a plurality of flue gas pipe sections to be welded are installed front and back side by side between the two arc-shaped pipe support frames, and the arc-shaped pipe support frame includes an arc-shaped bracket and a longitudinal baffle, and there are a plurality of the arc-shaped brackets arranged front and back side by side, and the upper ends of the arc-shaped brackets are butt-jointed through the longitudinal baffle.

[0005] A plurality of groups of double connection hole structures are installed side by side on the longitudinal baffle, and the double connection hole structures are located at the butt joint positions of adjacent smoke ducts.

[0006] As a supplement to the technical solution, the distance between two vertical support rods on the same horizontal plane is the same as the radius of the smoke duct.

[0007] A detachable positioning motor is installed on the bottom pipe bracket, two transmission wheels are installed on the output end of the positioning motor, a conveyor belt is installed between the two transmission wheels, and the conveyor belt is tangent to the bottom of the smoke duct.

[0008] As a supplement to the technical solution, the longitudinal mounting frame is provided with docking ears for docking with the arc-shaped pipeline support frame.

[0009] As a supplement to the technical solution, an adjusting nut is welded and installed on the double connection hole structure, and an adjusting bolt is installed in the adjusting nut.

[0010] Beneficial effects: The utility model relates to a large-diameter multi-segment flue gas duct assembly device, which has the following advantages:

[0011] 1. The materials of the device of the utility model are mostly commonly used materials on the construction site, which are convenient and easy to obtain and simple to make.

[0012] 2. The utility model can realize the simultaneous assembly of multiple pipe sections according to the on-site pipeline length requirements, effectively avoiding the defect of folded waves in the overall assembly after the single pipe section is assembled.

[0013] 3. After the pipe sections are hoisted in place, the utility model can complete the assembly of multiple pipe sections with the help of the device itself, which effectively reduces the cost of using the crane and improves the efficiency of flue pipe assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 It is a right side view of the arc-shaped pipeline support frame described in the utility model;

[0016] Figure 3 This is a structural view of the bottom tube bracket of the utility model;

[0017] Figure 4 It is a side schematic diagram of the utility model.

[0018] Illustration: 1. Bottom pipe bracket, 2. Vertical support rod, 3. Longitudinal mounting frame, 4. Positioning motor, 5. Conveyor belt, 6. Arc-shaped pipe support frame, 7. Longitudinal baffle, 8. Arc-shaped bracket, 9. Double connecting hole structure, 10. Smoke pipe section to be welded, 11. Docking ear. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

[0020] The embodiment of the utility model relates to a large-diameter multi-segment flue gas duct assembly device, such as Figure 1 —4, it includes a bottom pipe bracket 1, a vertical support rod 2 and an arc-shaped pipe support frame 6, two rows of vertical support rods 2 arranged longitudinally are symmetrically installed at both ends of the upper end surface of the bottom pipe bracket 1, and a longitudinal mounting frame 3 is installed on the upper end of the vertical support rod 2 in the same row, and an arc-shaped pipe support frame 6 is installed on the longitudinal mounting frame 3. A number of smoke pipe sections 10 to be welded are installed front and back side by side between the two arc-shaped pipe support frames 6, and the arc-shaped pipe support frame 6 includes an arc-shaped bracket 8 and a longitudinal baffle 7. There are a number of the arc-shaped brackets 8, which are arranged front and back side by side, and the upper ends of the arc-shaped brackets 8 are connected through the longitudinal baffle 7.

[0021] A plurality of groups of double connection hole structures 9 are installed side by side on the longitudinal baffle 7 , and the double connection hole structures 9 are located at the butt joint positions of adjacent smoke ducts 10 .

[0022] As a supplement to the present technical solution, the distance between two vertical support rods 2 on the same horizontal plane is the same as the radius of the smoke duct 10 .

[0023] A detachable positioning motor 4 is installed on the bottom pipe bracket 1 . Two transmission wheels are installed on the output end of the positioning motor 4 . A conveyor belt 5 is installed between the two transmission wheels. The conveyor belt 5 is tangent to the bottom of the smoke duct 10 .

[0024] As a supplement to the present technical solution, the longitudinal mounting frame 3 is provided with a docking ear 11 which is docked with the arc-shaped pipe support frame 6 .

[0025] As a supplement to the present technical solution, an adjusting nut is welded and installed on the double connection hole structure 9, and an adjusting bolt is installed inside the adjusting nut.

[0026] Example

[0027] The device is mainly composed of a bottom mounting frame, a positioning motor 4, and an arc-shaped pipe support frame 6. The bottom mounting frame is composed of a bottom pipe support frame 1 made of HW150×150 steel, a longitudinal mounting frame 3 made of 168×6mm, and a vertical support rod 2 made of 168×6mm. The longitudinal mounting frame 3 is welded with a 16mm docking ear 11 at a 45° angle. The bottom mounting frame and the arc-shaped pipe support frame 6 are bolted together through the docking ear 11. The pipe cross beam is partially wrapped with a rubber sheet to reduce the wear of the pipe when it rotates. The side-to-side adjustment frame is composed of an arc-shaped bracket 8 made of 16mm×50mm strips and a longitudinal baffle 7 made of 25mm×80mm strips. The longitudinal baffle 7 has an M36 double connection hole structure 9 in a range of about 100mm on both sides of the pipe section docking interface. The double connection hole structure 9 is fixed with a nut welded thereon. When the pipes are docked, the M36 adjustment bolts are used to adjust the misalignment.

[0028] Directions:

[0029] 1. The bottom pipe bracket 1 is fixed to the ground through chemical bolts on the steel frame, and the level is adjusted through the pad. Then the positioning motor 4 is placed on the bottom pipe bracket 1 and fixed with bolts. An adjustment U-shaped pad is set between the positioning motor 4 and the bottom pipe bracket 1 to adjust the elevation;

[0030] 2. Hang the smoke duct 10 rolled on site onto the bottom pipe bracket 1, determine the number of pipe sections to be assembled at the same time according to site requirements, and adjust the gap and level of the pipe sections;

[0031] 3. Adjust the pad of the positioning motor 4 so that the positioning motor 4 is in close contact with the smoke pipe 10. Start from one end and rotate the smoke pipe 10 to observe the misalignment deviation of the pipes at both ends. Since the ovality of the smoke pipes 10 rolled by the same operator on the same equipment is very similar, adjust the pipe position by adjusting the positioning motor 4 to find the matching position with the smallest overall misalignment of the pipe wall.

[0032] 4. Fix the arc-shaped pipe support frame 6 to the docking ears 11 from both sides with bolts, control the distance between the longitudinal baffle 7 and the pipe side wall to be between 40-60 mm, and rotate and push in the adjusting bolts on the longitudinal baffle 7 to adjust the misalignment of the pipe walls on both sides. After the adjustment is completed;

[0033] 5. Fix the adjusted pipe sections by spot welding, remove the side adjustment frame, and welders will perform pipeline welding.

[0034] The above is a detailed introduction to the assembly device of a large-diameter multi-segment flue gas duct provided by the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea; at the same time, for general technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A large-diameter multi-segment flue gas duct assembly device, characterized in that: The invention comprises a bottom pipe support frame (1), a vertical support rod (2) and an arc-shaped pipe support frame (6); two rows of vertical support rods (2) arranged longitudinally are symmetrically installed at both ends of the upper end surface of the bottom pipe support frame (1); a longitudinal mounting frame (3) is installed at the upper end of the vertical support rods (2) in the same row; an arc-shaped pipe support frame (6) is installed on the longitudinal mounting frame (3); a plurality of fume pipe sections (10) to be welded are installed front and back side by side between the two arc-shaped pipe support frames (6); the arc-shaped pipe support frame (6) comprises an arc-shaped bracket (8) and a longitudinal baffle (7); there are a plurality of arc-shaped brackets (8) arranged front and back side by side; the upper ends of the arc-shaped brackets (8) are butt-jointed via the longitudinal baffle (7).

2. The large-diameter multi-segment flue gas duct assembly device according to claim 1, characterized in that: A plurality of groups of double connection hole structures (9) are installed side by side on the longitudinal baffle (7), and the double connection hole structures (9) are located at the butt joint positions of adjacent smoke pipe sections (10) to be welded.

3. The large-diameter multi-segment flue gas duct assembly device according to claim 1, characterized in that: The distance between two vertical support rods (2) on the same horizontal plane is the same as the radius of the fume pipe section (10) to be welded.

4. The large-diameter multi-segment flue gas duct assembly device according to claim 1 is characterized in that: A detachable positioning motor (4) is installed on the bottom pipe bracket (1), two transmission wheels are installed on the output end of the positioning motor (4), a conveyor belt (5) is installed between the two transmission wheels, and the conveyor belt (5) is tangent to the bottom of the smoke pipe section (10) to be welded.

5. The large-diameter multi-segment flue gas duct assembly device according to claim 1, characterized in that: The longitudinal mounting frame (3) is provided with a docking ear (11) for docking with the arc-shaped pipeline supporting frame (6).

6. The large-diameter multi-segment flue gas duct assembly device according to claim 2, characterized in that: An adjusting nut is welded and installed on the double connection hole structure (9), and an adjusting bolt is installed inside the adjusting nut.

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