Dust removal pipeline replacement device and dust removal pipeline replacement method

Abstract

The dust removal pipeline replacement device comprises a pipeline replacement support and a pipeline hoisting replacement unit arranged on the pipeline replacement support, the pipeline replacement support is arranged along an original dust removal pipeline, and the invention further provides a dust removal pipeline replacement method according to the dust removal pipeline replacement device. According to the dust removal pipeline replacement device and the dust removal pipeline replacement method, the dust removal pipeline of the converter can be rapidly replaced on the premise that safety is guaranteed and other converters are not affected, the replacement efficiency of the dust removal pipeline is improved, and the replacement efficiency of the converter is improved. And the labor intensity of workers can be reduced, and the safety in the dust removal pipeline replacement process can be improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of converter dust removal pipeline construction, in particular, the present application relates to a dust removal pipeline replacement device and a dust removal pipeline replacement method. BACKGROUND

[0002] A large amount of smoke dust will be generated in the converter steelmaking production process, in order to protect the environment and the health of workers, dust removal treatment is needed, the converter dust removal process flow includes smoke capture, smoke conveying, dust removal treatment, smoke emission and sludge treatment and other steps, and the smoke conveying is the process of using the fan to pressurize, conveying the collected smoke to the dust removal equipment through the dust removal pipeline, once the dust removal pipeline is damaged, deformed, blocked, leaked and other problems, it will affect the stability and reliability of the smoke conveying, and then affect the production of the converter.

[0003] The installation position of the converter dust removal pipeline is generally located directly above the factory building roof, the height of the factory building is 38 meters, the installation height of the pipeline is 43 meters, and the specification of the dust removal pipeline is Due to the limitation of the length of the crane arm, the operation radius and other reasons, the 600-ton truck crane can only replace the dust removal pipeline near the edge of the factory building, and the pipeline located in the middle of the factory building cannot be replaced by hoisting. The current scheme is to divide it into small sections, hoist it to the roof by the crane, and then manually transport and assemble it for replacement, but the disadvantage is that it is limited by the load bearing capacity of the roof truss and colored tiles, resulting in low efficiency, high safety risk and great impact on production.

[0004] Therefore, in order to improve or solve at least one of the above problems, a dust removal pipeline replacement device and a dust removal pipeline replacement method are provided, which has the advantages of simple structure, can quickly replace the converter dust removal pipeline under the premise of ensuring safety and other converters are not affected, can improve the efficiency of dust removal pipeline replacement, can reduce the labor intensity of workers, and can improve the safety during the replacement process. SUMMARY

[0005] The present application is to solve the above problems, and aims to provide a dust removal pipeline replacement device and a dust removal pipeline replacement method, which has the advantages of simple structure, can quickly replace the converter dust removal pipeline under the premise of ensuring safety and other converters are not affected, can improve the efficiency of dust removal pipeline replacement, can reduce the labor intensity of workers, and can improve the safety during the replacement process. In order to achieve the above purpose, the technical scheme adopted by the present application is:

[0006] The present application provides a dust removal pipeline replacement device, which has the following characteristics: a pipeline replacement support and a pipeline hoisting replacement unit arranged on the pipeline replacement support, the pipeline replacement support is arranged along the original dust removal pipeline.

[0007] In the dust removal pipeline replacement device, the pipeline replacement support can further comprise a frame body, the frame body comprising upright columns and a cross beam, the upright columns being arranged on both sides of the original dust removal pipeline, and the ends of the cross beam being connected with the upright columns.

[0008] In the dust removal pipeline replacement device, the upright columns can further comprise upper upright columns and lower upright columns, the lower upright columns being hollow steel pipes, one end of the upper upright column being arranged in the lower upright column, and a fixing pin being arranged between the upper upright column and the lower upright column.

[0009] In the dust removal pipeline replacement device, a fixing assembly can be arranged between the pipeline replacement support and the original dust removal pipeline, the fixing assembly comprising a fixing plate arranged on the lower upright column, the fixing plate being arranged on the original dust removal pipeline and located above the original dust removal pipeline, and a first arc-shaped groove being arranged on the fixing plate and matched with the original dust removal pipeline.

[0010] In the dust removal pipeline replacement device, the fixing assembly can further comprise a rocking prevention plate, the rocking prevention plate being connected with the fixing plate and located on both sides of the original dust removal pipeline, and a second arc-shaped groove being arranged on the rocking prevention plate.

[0011] In the dust removal pipeline replacement device, the first arc-shaped groove and the second arc-shaped groove can be spliced to form an arc matched with the original dust removal pipeline.

[0012] In the dust removal pipeline replacement device, a cable fixing ring can be arranged on the upper upright column.

[0013] In the dust removal pipeline replacement device, the pipeline hoisting and replacing unit can comprise a monorail beam and a monorail hoist arranged on the monorail beam, and the monorail beam can be arranged on the frame body.

[0014] In the dust removal pipeline replacement device, the monorail beam can extend out of both sides of the frame body by 4m.

[0015] This invention also provides a method for replacing a dust removal pipe according to the above-mentioned dust removal pipe replacement device, characterized by the following steps: Step S1, installing the lower column, fixing plate, and anti-sway plate on the original dust removal pipe; Step S2, installing the upper column and crossbeam; Step S3, repeating steps S1 and S2 until the sequential installation along the upper frame of the original dust removal pipe is completed; Step S4, installing the monorail beam and monorail lifting device; Step S5, cutting the dust removal pipe to be replaced, lifting the cut dust removal pipe using the monorail beam and monorail lifting device, moving the monorail lifting device along the monorail beam to transport the cut dust removal pipe to the edge of the factory building, and then using a crane to lift the cut dust removal pipe to the ground; Step S6, using a crane to lift the new pipe from the ground to the edge of the factory building, and then using the monorail lifting device to transport the new dust removal pipe to the replacement location, facilitating the pipe replacement operation for the staff.

[0016] The technical effects of this invention are as follows: The dust removal pipe replacement device provided by this invention includes a pipe replacement bracket and a pipe lifting and replacement unit set on the pipe replacement bracket. The pipe replacement bracket is set along the original dust removal pipe. This invention also provides a dust removal pipe replacement method according to the above-mentioned dust removal pipe replacement device, including the following steps: Step S1, installing the lower column, fixing plate and anti-sway plate on the original dust removal pipe; Step S2, installing the upper column and crossbeam; Step S3, repeating steps S1 and S2 until the sequential installation along the upper frame of the original dust removal pipe is completed; Step S4, installing the monorail beam and monorail lifting device; Step S5, cutting the dust removal pipe to be replaced, and connecting it to the monorail beam and monorail lifting device. The monorail hoist lifts the cut dust removal pipe, and the monorail hoist moves along the monorail beam to transport the cut dust removal pipe to the edge of the plant. Then, a crane lifts the cut dust removal pipe to the ground. In step S6, a crane lifts the new pipe from the ground to the edge of the plant, and then a monorail hoist transports the new dust removal pipe to the replacement location. This facilitates the pipe replacement work for the staff. The dust removal pipe replacement device and method provided by this invention can quickly replace converter dust removal pipes while ensuring safety and not affecting other converters. This is beneficial to improving the replacement efficiency of dust removal pipes, reducing the labor intensity of the staff, and improving the safety of the dust removal pipe replacement process. Attached Figure Description

[0017] This manual includes the following figures, which illustrate the following:

[0018] Figure 1 This is a schematic diagram of the structure of the dust removal pipe replacement device in an embodiment of the present invention. Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of the dust removal pipe replacement device in an embodiment of the present invention. Figure 2 ;

[0020] Figure 3 This is a schematic diagram of the structure of the fixing component in an embodiment of the present invention;

[0021] Figure 4 This is a schematic diagram of the dust removal pipe replacement device during the dust removal pipe replacement operation in an embodiment of the present invention. Figure 1 ;

[0022] Figure 2 This is a schematic diagram of the dust removal pipe replacement device during the dust removal pipe replacement operation in an embodiment of the present invention. Figure 1 .

[0023] The diagram is marked as follows: Existing dust removal pipe-1, pipe replacement bracket-10, frame-11, column-111, upper column-1111, lower column-1112, fixing pin-1113, crossbeam-112, fixing component-12, fixing plate-121, first arc groove-122, anti-sway plate-123, second arc groove-124, guy rope fixing ring-13, pipe hoisting and replacement unit-20, monorail beam-21, monorail lifting device-22. Detailed Implementation

[0024] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings, in order to help those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention, and to facilitate its implementation.

[0025] Figure 1 This is a schematic diagram of the structure of the dust removal pipe replacement device in an embodiment of the present invention. Figure 2 ; Figure 2 This is a schematic diagram of the structure of the dust removal pipe replacement device in an embodiment of the present invention. Figure 1 .

[0026] like Figure 2 and Figure 1 As shown, the dust removal pipe replacement device provided by the present invention includes a pipe replacement bracket 10 and a pipe hoisting and replacement unit 20 disposed on the pipe replacement bracket 10. The pipe replacement bracket 10 is disposed along the original dust removal pipe 1. The dust removal pipe replacement device provided by the present invention can quickly replace the converter dust removal pipe while ensuring safety and not affecting other converters. It is beneficial to improve the replacement efficiency of the dust removal pipe, reduce the labor intensity of the workers, and improve the safety of the dust removal pipe replacement process.

[0027] like Figure 2 and Figure 3As shown, the pipe replacement support 10 includes a frame 11, which includes columns 111 and crossbeams 112. The columns 111 are set on both sides of the original dust removal pipe 1, and the two columns 111 are set parallel to each other. The end of the crossbeam 112 is connected to the columns 111, which helps to improve the structural strength and load-bearing capacity of the frame 11 and the pipe replacement support 10, and helps to improve the stability of the pipe replacement support 10 during the dust removal pipe replacement operation.

[0028] The column 111 includes an upper column 1111 and a lower column 1112. The lower column 1112 is a hollow steel pipe. One end of the upper column 1111 passes through the lower column 1112. A fixing pin 1113 is inserted between the upper column 1111 and the lower column 1112 to facilitate the connection between the upper column 1111 and the lower column 1112, and to facilitate the assembly of the frame 11.

[0029] Figure 3 This is a schematic diagram of the structure of the fixing component in an embodiment of the present invention.

[0030] like Figure 4 As shown, a fixing component 12 is provided between the pipe replacement bracket 10 and the original dust removal pipe 1. The fixing component 12 includes a fixing plate 121 set on the lower column 1112. The fixing plate 121 is set on the original dust removal pipe 1 and located above the original dust removal pipe 1. The fixing plate 121 is provided with a first arc-shaped groove 122 adapted to the original dust removal pipe 1. The fixing component 12 also includes an anti-sway plate 123. The anti-sway plate 123 is connected to the fixing plate 121 and is located on both sides of the original dust removal pipe 1. The anti-sway plate 123 is provided with a second arc-shaped groove 124. The first arc-shaped groove 122 and the second arc-shaped groove 124 are spliced ​​to form an arc adapted to the original dust removal pipe 1, so that the fixing plate 121 and the anti-sway plate 123 can be locked on the original dust removal pipe 1 from top to bottom and fixed by the anti-sway plate 123 to prevent shaking.

[0031] The upper column 1111 is equipped with a guy rope fixing ring 13, which is used to connect the guy rope. The guy rope can further improve the structural strength and load-bearing capacity of the frame 11 and the pipe replacement support 10, and is conducive to improving the stability of the pipe replacement support 10 during the dust removal pipe replacement operation.

[0032] The pipeline hoisting and replacement unit 20 includes a monorail beam 21 and a monorail lifting device 22 set on the monorail beam 21. The monorail beam 21 is set on the frame 11, and both ends of the monorail beam 21 extend 4m beyond the sides of the frame 11 to facilitate hoisting operations by the crane.

[0033] Figure 1 This is a schematic diagram of the dust removal pipe replacement device during the dust removal pipe replacement operation in an embodiment of the present invention. Figure 5 ; Figure 2This is a schematic diagram of the dust removal pipe replacement device during the dust removal pipe replacement operation in an embodiment of the present invention. Figure 4 .

[0034] like Figure 5 and Figure 4 As shown, the present invention also provides a method for replacing a dust removal pipe according to the above-described dust removal pipe replacement device, comprising the following steps:

[0035] Step S1: Install the lower column 1112, the fixing plate 121 and the anti-sway plate 123 on the original dust removal pipe 1. The fixing plate 121 and the lower column 1112 are connected by welding. The anti-sway plate 123 is vertically welded to the fixing plate 121 to form a whole and is clamped on the original dust removal pipe 1 from top to bottom.

[0036] Step S2: Install the upper column 1111 and the crossbeam 112. Insert the upper column 1111 into the lower column 1112 and fix it with the fixing pin 1113. Connect the two ends of the crossbeam 112 to the upper column 1111 with bolts to form a single door-shaped frame 11.

[0037] Step S3: Repeat steps S1 and S2 until the installation of the frame along the existing dust collection duct is complete. ​ As shown, based on the actual site conditions, multiple U-shaped frames 11 are installed at certain intervals from the edge of the factory roof to the top of the dust removal pipe that needs to be replaced.

[0038] Step S4: Install the monorail beam 21 and the monorail hoist 22. Install the monorail beam 21 on the crossbeams 112 of the multiple portal frame 11, install the monorail hoist 22 on the monorail beam 21, and fix the guy rope through the guy rope fixing ring 13 on the portal frame 11.

[0039] Step S5: Cut the dust removal pipe that needs to be replaced. For long-distance replacement, cut 4 meters first. Use the monorail beam 21 and monorail hoist 22 to lift the cut dust removal pipe. The monorail hoist 22 moves along the monorail beam 21 to lift the cut dust removal pipe to the edge of the factory. Then use a crane to lift the cut dust removal pipe to the ground.

[0040] In step S6, the new pipe is hoisted from the ground to the edge of the factory using a crane, and then transported to the replacement location using a monorail hoist 22, making it easier for staff to complete the pipe replacement operation.

[0041] The dust removal pipe replacement method provided by this invention has simple and clear operation steps, and the manual installation process is relatively easy, which helps to improve the replacement efficiency of dust removal pipes. Only 2 to 3 people are needed to carry out the dust removal pipe replacement work using the dust removal pipe replacement device provided by this invention. There is no need to open up a separate safety passage on the roof, which reduces the workload, saves working time, and significantly reduces safety risks. It also reduces the risk of working on the roof tiles, reduces the load on the roof purlins, and ensures the safety of the operation.

[0042] The role and effect of the embodiments

[0043] The dust removal pipe replacement device provided by this invention includes a pipe replacement bracket and a pipe hoisting and replacement unit installed on the pipe replacement bracket. The pipe replacement bracket is installed along the original dust removal pipe. This invention also provides a dust removal pipe replacement method according to the above-mentioned dust removal pipe replacement device, including the following steps: Step S1, installing the lower column, fixing plate and anti-sway plate on the original dust removal pipe; Step S2, installing the upper column and crossbeam; Step S3, repeating steps S1 and S2 until the sequential installation along the upper frame of the original dust removal pipe is completed; Step S4, installing the monorail beam and monorail hoist; Step S5, cutting the dust removal pipe to be replaced, and using the monorail beam and monorail hoist to cut the pipe. The severed dust removal pipe is lifted, and the monorail hoist moves along the monorail beam to transport the severed dust removal pipe to the edge of the plant. Then, the severed dust removal pipe is lifted to the ground by a crane. In step S6, the new pipe is lifted to the edge of the plant by a crane, and then transported to the replacement location by a monorail hoist. This facilitates the pipe replacement work for the staff. The dust removal pipe replacement device and method provided by this invention can quickly replace the converter dust removal pipe while ensuring safety and not affecting other converters. This is beneficial to improving the replacement efficiency of the dust removal pipe, reducing the labor intensity of the staff, and improving the safety of the dust removal pipe replacement process.

[0044] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution; or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A dust removal pipe replacement device, characterized in that, It includes a pipe replacement bracket (10) and a pipe hoisting and replacement unit (20) installed on the pipe replacement bracket (10), the pipe replacement bracket (10) being installed along the original dust removal pipe (1).

2. The dust removal pipe replacement device according to claim 1, characterized in that, The pipe replacement bracket (10) includes a frame (11), the frame (11) includes a column (111) and a crossbeam (112), the column (111) is set on both sides of the original dust removal pipe (1), and the end of the crossbeam (112) is connected to the column (111).

3. The dust removal pipe replacement device according to claim 2, characterized in that, The column (111) includes an upper column (1111) and a lower column (1112). The lower column (1112) is a hollow steel pipe. One end of the upper column (1111) is inserted into the lower column (1112). A fixing pin is inserted between the upper column (1111) and the lower column (1112).

4. The dust removal pipe replacement device according to claim 3, characterized in that, A fixing component (12) is provided between the pipe replacement bracket (10) and the original dust removal pipe (1). The fixing component (12) includes a fixing plate (121) set on the lower column (1112). The fixing plate (121) is set on the original dust removal pipe (1) and located above the original dust removal pipe (1). The fixing plate (121) is provided with a first arc-shaped groove (122) that is compatible with the original dust removal pipe (1).

5. The dust removal pipe replacement device according to claim 4, characterized in that, The fixing component (12) also includes an anti-sway plate (123), which is connected to the fixing plate (121) and located on both sides of the original dust removal pipe (1). The anti-sway plate (123) is provided with a second arc-shaped groove (124).

6. The dust removal pipe replacement device according to claim 5, characterized in that, The first arc groove (122) and the second arc groove (124) are spliced ​​together to form an optimal arc that is compatible with the original dust removal pipe (1).

7. The dust removal pipe replacement device according to claim 3, characterized in that, The upper column (1111) is provided with a guy rope fixing ring (13).

8. The dust removal pipe replacement device according to claim 2, characterized in that, The pipeline hoisting and replacement unit (20) includes a monorail beam (21) and a monorail hoist (22) mounted on the monorail beam (21), wherein the monorail beam (21) is mounted on the frame (11).

9. The dust removal pipe replacement device according to claim 1, characterized in that, The two ends of the monorail beam (21) extend 4m beyond the sides of the frame (11).

10. A method for replacing a dust removal pipe according to the dust removal pipe replacement device of claims 1 to 9, characterized in that, Includes the following steps: Step S1: Install the lower column (1112), fixing plate (121), and anti-sway plate (123) onto the existing dust removal pipe (1); Step S2: Install the upper column (1111) and crossbeam (112); Step S3: Repeat steps S1 and S2 until the installation along the upper frame (11) of the existing dust removal pipe (1) is completed; Step S4: Install the monorail beam (21) and monorail hanger (22); Step S5: Install the dust removal pipe to be replaced. The dust removal pipe is cut off, and the cut-off dust removal pipe is lifted up by the monorail beam (21) and the monorail hoist (22). The monorail hoist (22) moves along the monorail beam (21) to lift the cut-off dust removal pipe to the edge of the factory building, and then the cut-off dust removal pipe is lifted to the ground by the crane. In step S6, the new pipe on the ground is lifted to the edge of the factory building by the crane, and then the new dust removal pipe is transported to the replacement position by the monorail hoist (22) to facilitate the staff to complete the pipe replacement operation.

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