Welding and polishing device for methanol extraction tower

Abstract

The utility model discloses a methanol extraction tower welding and polishing device which comprises a cleaning table, a side box is arranged on one side of the cleaning table, a cavity is formed in the side box, a sliding block is connected in the side box in a sliding mode, a strip-shaped hole is formed in the upper end of the side box in the length direction of the side box, a stud is arranged at the upper end of the sliding block, and the stud is connected with the cavity. The upper end of the stud penetrates through the strip-shaped hole and is connected with a U-shaped frame, a horizontal adjusting mechanism is arranged in the U-shaped frame and connected with a fixing plate, a grinding motor is arranged on one side of the fixing plate, and the output end of the grinding motor is connected with a grinding head. According to the welding and grinding device for the methanol extraction tower, multiple welding positions of the tower body can be ground without moving the tower body, the working intensity of workers is reduced, and the grinding efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of polishing technology, concretely is a kind of methanol extraction tower welding polishing device. BACKGROUND

[0002] The working principle of methanol extraction tower is based on the different solubility between methanol and water, and methanol is separated from the mixture by using fractional extraction principle. The methanol extraction tower is mainly composed of tower body, packing layer, feed inlet, discharge outlet and reboiler.

[0003] The length of the tower body is at least 20m, and multiple annular weldings are required. After each welding is completed, the welding position needs to be polished to prevent rusting. Currently, the tower body after welding is placed on a cleaning table, the tower body is rotated by a rotating assembly, and the polishing head polishes the welding position. Since the position of the polishing head is fixed, and the length of the tower body is very long, the tower body needs to be moved after polishing each welding position to polish the next welding position. This not only increases the work intensity of workers, but also affects the polishing efficiency. SUMMARY

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a methanol extraction tower welding polishing device that can polish multiple welding positions without moving the tower body, reducing the work intensity of workers and improving the polishing efficiency. The problems in the background art can be effectively solved.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a methanol extraction tower welding polishing device, comprising a cleaning table, a side box is arranged on one side of the cleaning table, the side box is a cavity, a sliding block is slidably connected in the side box, a strip-shaped hole is arranged on the upper end of the side box along its length direction, a stud is arranged on the upper end of the sliding block, the upper end of the stud penetrates through the strip-shaped hole, a U-shaped bracket is connected to the upper end of the stud, a horizontal adjusting mechanism is arranged in the U-shaped bracket, the horizontal adjusting mechanism is connected with a fixed plate, a polishing motor is arranged on one side of the fixed plate, and the output end of the polishing motor is connected with a polishing head.

[0006] As a preferred technical scheme of the utility model, a sliding shaft is arranged in the side box, and the sliding block is slidably connected to the outer side of the sliding shaft.

[0007] As a preferred technical scheme of the utility model, a locking nut is threadedly connected to the outer side of the stud.

[0008] As a preferred technical scheme of the utility model, protrusions are symmetrically arranged on the inner side of the side box, and grooves matching the protrusions are arranged on both sides of the sliding block.

[0009] As a preferred technical scheme of the utility model, the horizontal adjusting mechanism is an adjusting bolt, the adjusting bolt is horizontally connected with the U-shaped frame through screw threads, and one end of the adjusting bolt is rotatably connected with the fixed plate through a bearing.

[0010] Compared with the prior art, the methanol extraction tower welding and polishing device has the advantages of reasonable design, ingenious concept, movable polishing head and polishing motor along the length direction of the side box, polishing of the welding positions of the multiple tower bodies of the methanol extraction tower, no need to move the tower body, reduced labor intensity of workers, adjustable polishing head and tower body contact through the adjusting bolt, suitable for methanol extraction towers with different outer diameters, and improved universality. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model;

[0012] Figure 2 It is a front view of the utility model;

[0013] Figure 3 It is Figure 2 an enlarged schematic view of A in the middle.

[0014] In the figure: 1 cleaning table, 2 side box, 3 sliding shaft, 4 sliding block, 5 protrusion, 6 groove, 7 stud, 8 strip-shaped hole, 9 locking nut, 10 U-shaped frame, 11 adjusting bolt, 12 fixed plate, 13 polishing motor, 14 polishing head. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments (for the convenience of description and understanding, the following is described with the upper side as the upper side). Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Figure 2

[0016] Please refer to Figures 1-3 ​The utility model provides a technical scheme: a kind of methanol extraction column welding polishing device, including cleaning table 1, the side of cleaning table 1 is provided with side edge box 2, the inside of side edge box 2 is cavity, slidingly connected with slider 4 in side edge box 2, the upper end of side edge box 2 is provided with strip hole 8 along its length direction, the upper end of stud 7 of slider 4 is provided with, the upper end of stud 7 passes through strip hole 8, the upper end of stud 7 is connected with U-shaped frame 10, U-shaped frame 10 is provided with horizontal adjusting mechanism, horizontal adjusting mechanism is adjusting bolt 11, adjusting bolt 11 is connected with U-shaped frame 10 horizontally by screw thread, one end of adjusting bolt 11 is rotatably connected with fixed plate 12 by bearing, one side of fixed plate 12 is provided with polishing motor 13, the output end of polishing motor 13 is connected with polishing head 14, when needing to polish different welding positions, the movement of slider 4 can drive polishing head 14 to move to the position to be polished, without moving tower body, the distance of polishing head 14 and tower body can be adjusted by adjusting bolt 11, it is convenient for polishing head 14 to be applicable to the polishing of the welding position of tower body of different outer diameters.

[0017] Further, in order to improve the fluency of the movement of the slider 4, the inside of the side edge box 2 is provided with a sliding shaft 3, and the slider 4 is slidingly connected to the outer side surface of the sliding shaft 3.

[0018] Further, in order to facilitate the fixing of the polishing head 14 after adjusting its position, the outer side surface of the stud 7 is threadedly connected with a locking nut 9, and the positioning of the polishing head 14 can be realized by tightening the locking nut 9.

[0019] Further, in order to ensure the linearity and stability of the movement of the slider 4, the inside surface of the side edge box 2 is symmetrically provided with a protrusion 5, and the two sides of the slider 4 are respectively provided with a groove 6 matched with the protrusion 5.

[0020] In use: place the tower body of the methanol extraction column on the rotating mechanism at the upper end of the cleaning table 1, then move the polishing head 14 to the corresponding welding position of the tower body, tighten the locking nut 9 to fix the position of the polishing head, then rotate the adjusting bolt 11 to make the polishing head 14 contact with the welding position of the tower body, start the polishing motor 13, polish the weld by the polishing head 14, and at the same time, start the rotating mechanism to control the rotation of the tower body, and the polishing head 14 polishes the annular weld; after polishing one welding position, move the polishing head 14 to the next welding position for polishing.

[0021] The utility model can polish different welding positions of the tower body of the methanol extraction column by moving the position of the polishing head 14, without moving the tower body, reducing the labor intensity of workers; the distance between the polishing head 14 and the tower body can be adjusted by the adjusting bolt 11, which is applicable to the polishing of the welding position of the tower body of different outer diameters, improving the versatility.

[0022] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A methanol extraction column welding polishing device comprising a cleaning table (1), characterized in that: One side of the cleaning platform (1) is provided with a side box (2), the side box (2) is a cavity, the side box (2) is slidably connected with a sliding block (4), the upper end of the side box (2) is provided with a strip-shaped hole (8) along the length direction, the upper end of the sliding block (4) is provided with a stud (7), the upper end of the stud (7) passes through the strip-shaped hole (8), the upper end of the stud (7) is connected with a U-shaped frame (10), the U-shaped frame (10) is provided with a horizontal adjusting mechanism, the horizontal adjusting mechanism is connected with a fixed plate (12), one side of the fixed plate (12) is provided with a polishing motor (13), the output end of the polishing motor (13) is connected with a polishing head (14).

2. A methanol extraction column welding and grinding apparatus according to claim 1, characterized in that: The inside of the side box (2) is provided with a sliding shaft (3), and the sliding block (4) is slidably connected to the outer side of the sliding shaft (3).

3. A methanol extraction column welding and grinding apparatus as defined in claim 1, wherein: The outer side of the stud (7) is threadedly connected with a locking nut (9).

4. A methanol extraction column welding and grinding apparatus as defined in claim 1, wherein: The inner side of the side box (2) is symmetrically provided with a protrusion (5), and the two sides of the sliding block (4) are respectively provided with a groove (6) matched with the protrusion (5).

5. A methanol extraction column welding and grinding apparatus as defined in claim 1, wherein: The horizontal adjusting mechanism is an adjusting bolt (11), the adjusting bolt (11) is horizontally threadedly connected with the U-shaped frame (10), and one end of the adjusting bolt (11) is rotatably connected with the fixed plate (12) through a bearing.

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