Spray pickling device for large-diameter seamless steel pipe

Abstract

The utility model discloses a spray pickling device for a large-diameter seamless steel pipe, and relates to the technical field of seamless steel pipe manufacturing, the spray pickling device comprises a spray pickling vehicle and a sprayer, the top end of one side of the spray pickling vehicle is fixedly provided with a buckle chassis, and the top end of the buckle chassis is detachably provided with a pickling solution storage tank; a buckle groove is formed in the surface of the bottom end of the pickling solution storage tank, the top end of one side of the pickling solution storage tank communicates with a pickling solution using pipe, and a sliding groove is formed in the surface of one side of the sprayer. Through buckling connection of a buckle base plate and a buckle groove, firstly, disassembly of the pickling solution storage tank is facilitated, secondly, the carrying and placing stability of the pickling solution storage tank can be improved, the toppling problem is avoided, through hose connection between a pickling solution using pipe and a communicating pipe, a micro pump is used for pumping a pickling solution into a communicating box, and the pickling solution using pipe is connected with the communicating pipe; and finally, spraying operation is achieved through spraying holes in the surface of the spraying flow dividing pipe, and acid pickling operation is conducted on the surface of the pipe body.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel pipe manufacturing, in particular to a spray pickling device for large-diameter seamless steel pipes. Background Art

[0002] Seamless steel pipe has a hollow cross-section and is widely used as a pipeline for conveying fluids, such as pipelines for conveying oil, natural gas, coal gas, water and certain fixed materials. It has good bending and torsional strength and is light in weight. It is an economical cross-section steel. During the production process, its surface needs to be pickled. The oxide film on the metal surface is removed by pickling to avoid the occurrence of corrosion and rust, and to increase the service life of the seamless steel pipe. Traditional spray pickling equipment cannot be properly adjusted according to the actual pipe diameter during use, so it can only be pickled at a specified aperture, reducing the use range of the device. Therefore, we redesigned a spray pickling device for large-diameter seamless steel pipes. Utility Model Content

[0003] The utility model aims to provide a spray pickling device for large-diameter seamless steel pipes.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a spray pickling device for large-diameter seamless steel pipes, comprising a spray pickling vehicle and a sprayer, a snap-on chassis is fixedly installed on the top of one side of the spray pickling vehicle, a pickling liquid storage tank is detachably installed on the top of the snap-on chassis, a snap-on groove is provided on the bottom surface of the pickling liquid storage tank, a pickling liquid use pipe is connected to the top of one side of the pickling liquid storage tank, a sliding groove is provided on the surface of one side of the sprayer, a sliding block is slidably connected inside the sliding groove, a connecting box is fixedly installed on the front of the sliding block, a spray diversion pipe is connected to the top of the front of the connecting box, a spray hole is provided on one side of the spray diversion pipe, a micro pump is fixedly installed on one side of the connecting box, and a connecting pipe is connected to the top of one side of the micro pump.

[0005] Preferably, a connecting pipe is provided between the pickling liquid using pipe and the connecting pipe, and the pickling liquid using pipe and the connecting pipe are connected to the buckle chassis and the buckle groove through a connection relationship, and the connection relationship is a movable buckle connection.

[0006] Preferably, a snap plate is fixedly installed on the back side of the sprayer, a mounting connection block is detachably installed on the bottom end of one side of the snap plate, snap blocks are fixedly installed on both sides of the top of the mounting connection block, a connecting arm is fixedly welded on one side of the mounting connection block, a picking handle is fixedly welded on one side of the connecting arm, an adjusting screw is fixedly connected to the top end of one side of the sliding block, and an adjusting dial is fixedly connected to the top end of one side of the adjusting screw.

[0007] Preferably, the connection between the snap plate and the snap block is a movable snap connection, the adjusting screw passes through the top end of the sprayer, and the connection between the adjusting screw and the snap block is a threaded connection.

[0008] Preferably, a universal wheel is rotatably connected to the bottom end of one side of the spray pickling vehicle, a rotating shaft is rotatably connected to the top edge of one side of the spray pickling vehicle, and a pushing handrail is fixedly connected to the top end of one side of the rotating shaft.

[0009] Preferably, a top end of one side of the pickling liquid storage tank is connected to a pickling liquid replenishing pipe.

[0010] Compared with the related art, the spray pickling device for large diameter seamless steel pipe provided by the utility model has the following beneficial effects:

[0011] 1. The utility model provides a spray pickling device for seamless steel pipes with large diameters. By setting a snap connection between a snap chassis and a snap groove, firstly, the disassembly of the pickling liquid storage tank is convenient, and secondly, the stability of the pickling liquid storage tank in handling and placement can be increased to avoid the problem of dumping. The pickling liquid is pumped into the interior of the connecting box by a micro pump through a hose connection between the pickling liquid use pipe and the connecting pipe, and finally the spray operation is realized through the spray holes on the surface of the spray diversion pipe to perform pickling operation on the surface of the pipe body.

[0012] 2. The utility model provides a spray pickling device for seamless steel pipes with large diameters. The position of the adjusting screw is adjusted by setting an adjusting dial, thereby adjusting the sliding block inside the sliding groove, and then adjusting the distance between the upper and lower spray diverter pipes. The aperture adjustment is based on the actual pipe body to increase the overall spray range. The installation and use of the connecting block and the snap plate are completed through the connection between the snap block and the snap plate, which also facilitates the subsequent disassembly of the device, thereby facilitating transportation and storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the spray device of the utility model from the side and from the bottom;

[0015] Figure 3 It is a schematic diagram of the structure of the spray device of the utility model from the side and rear view;

[0016] Figure 4 It is a schematic diagram of the overall side view structure of the device of the utility model.

[0017] Numbers in the figure: 1. Spray pickling vehicle; 2. Snap-on chassis; 3. Pickling liquid storage tank; 4. Snap-on slot; 5. Pickling liquid use pipe; 6. Sprayer; 7. Sliding slot; 8. Sliding block; 9. Connecting box; 10. Spray diverter pipe; 11. Spray hole; 12. Micro pump; 13. Connecting pipe; 14. Snap-on plate; 15. Install connecting block; 16. Snap-on block; 17. Connecting arm; 18. Pick-up handle; 19. Adjusting screw; 20. Adjusting turntable; 21. Universal wheel; 22. Rotating shaft; 23. Pushing handrail; 24. Pickling liquid replenishing pipe. DETAILED DESCRIPTION

[0018] Embodiment 1:

[0019] See also Figure 1-4 The utility model provides a technical solution: a spray pickling device for a large-diameter seamless steel pipe, comprising a spray pickling vehicle 1 and a sprayer 6, a snap-on chassis 2 is fixedly installed on the top of one side of the spray pickling vehicle 1, a pickling liquid storage tank 3 is detachably installed on the top of the snap-on chassis 2, a snap-on groove 4 is provided on the bottom surface of the pickling liquid storage tank 3, a pickling liquid use pipe 5 is connected to the top of one side of the pickling liquid storage tank 3, a sliding groove 7 is provided on the surface of one side of the sprayer 6, and a sliding groove 7 is provided inside the sliding groove 7. A connecting box 9 is fixedly installed on the front of the moving block 8 and the sliding block 8. The top of the front of the connecting box 9 is connected to a spray diversion pipe 10. A spray hole 11 is opened on one side of the spray diversion pipe 10. A micro pump 12 is fixedly installed on one side of the connecting box 9. The top of one side of the micro pump 12 is connected to a connecting pipe 13. A connecting pipe is arranged between the pickling liquid use pipe 5 and the connecting pipe 13. The pickling liquid use pipe 5 and the connecting pipe 13 are connected to the snap chassis 2 and the snap groove 4 through a connecting relationship, and the connection relationship is a movable snap connection.

[0020] In the implementation scheme, by setting the snap connection between the snap chassis 2 and the snap groove 4, firstly, the disassembly of the pickling liquid storage tank 3 is convenient, and secondly, the stability of the pickling liquid storage tank 3 in transportation and placement can be increased to avoid the problem of dumping. The pickling liquid is connected by a hose between the pickling liquid use tube 5 and the connecting tube 13, and the pickling liquid is pumped into the interior of the connecting box 9 by using a micro pump 12. Finally, the spraying operation is realized through the spray hole 11 on the surface of the spray diversion tube 10, and the surface of the pipe body is pickled.

[0021] Embodiment 2:

[0022] See also Figure 1-4The utility model provides a technical solution: a spray pickling device for a large-diameter seamless steel pipe, comprising a snap plate 14 fixedly installed on the back of a sprayer 6, a mounting connection block 15 detachably installed on the bottom end of one side of the snap plate 14, snap blocks 16 fixedly installed on both sides of the top of the mounting connection block 15, a connecting arm 17 fixedly welded on one side of the mounting connection block 15, a pick-up handle 18 fixedly welded on one side of the connecting arm 17, an adjusting screw 19 fixedly connected to the top of one side of the sliding block 8, and the adjusting screw 19 is fixedly connected to the top of the sliding block 8. The top of the side is fixedly connected with an adjusting turntable 20, the connection relationship between the snap plate 14 and the snap block 16 is a movable snap connection, the adjusting screw 19 passes through the top of the sprayer 6, and the connection relationship between the adjusting screw 19 and the snap block 16 is a threaded connection, the bottom end of one side of the spray pickling vehicle 1 is rotatably connected with a universal wheel 21, the top edge of one side of the spray pickling vehicle 1 is rotatably connected with a rotating shaft 22, the top of one side of the rotating shaft 22 is fixedly connected with a pushing handrail 23, and the top of one side of the pickling liquid storage tank 3 is connected with a pickling liquid replenishing pipe 24.

[0023] In the implementation scheme, the position of the adjusting screw 19 is adjusted by setting the adjusting dial 20, thereby adjusting the sliding block 8 inside the sliding groove 7, and then adjusting the distance between the upper and lower spray diverter pipes 10, and adjusting according to the actual aperture of the pipe body to increase the overall range of the spray, and completing the installation and use of the connecting block 15 and the snap plate 14 through the connection between the snap block 16 and the snap plate 14, which also facilitates the subsequent disassembly of the device, thereby facilitating transportation and storage.

[0024] Working principle:

[0025] By setting the snap connection between the snap chassis 2 and the snap groove 4, firstly, the disassembly of the pickling liquid storage tank 3 is convenient, and secondly, the stability of carrying and placing the pickling liquid storage tank 3 can be increased to avoid the problem of dumping. The pickling liquid using pipe 5 and the connecting pipe 13 are connected by a hose, and the pickling liquid is pumped into the inside of the connecting box 9 by using a micro pump 12. Finally, the spraying operation is realized through the spray hole 11 on the surface of the spray diversion pipe 10, and the surface of the pipe body is pickled.

[0026] The position of the adjusting screw 19 is adjusted by setting the adjusting dial 20, thereby adjusting the sliding block 8 to slide inside the sliding groove 7, and then adjusting the distance between the upper and lower spray diverter pipes 10, and adjusting according to the actual aperture of the pipe body to increase the overall spray range, and the installation and use of the installation connection block 15 and the snap plate 14 are completed through the connection between the snap block 16 and the snap plate 14, which is also convenient for the subsequent disassembly of the device, thereby facilitating the carrying and storage of the device;

[0027] The push handle 23 facilitates the transport and movement of the spray pickling vehicle 1 , and the pickling liquid replenishing pipe 24 facilitates the addition of materials inside the pickling liquid storage tank 3 .

Claims

1. A spray pickling device for large diameter seamless steel pipes, comprising a spray pickling vehicle (1) and a sprayer (6), wherein a snap-on chassis (2) is fixedly mounted on the top of one side of the spray pickling vehicle (1), characterized in that: A pickling liquid storage tank (3) is detachably mounted on the top of the snap-on chassis (2), a snap-on groove (4) is provided on the bottom surface of the pickling liquid storage tank (3), a pickling liquid use pipe (5) is connected to the top of one side of the pickling liquid storage tank (3), a sliding groove (7) is provided on the surface of one side of the sprayer (6), a sliding block (8) is slidably connected inside the sliding groove (7), a connecting box (9) is fixedly mounted on the front of the sliding block (8), a spray shunt pipe (10) is connected to the top of the front of the connecting box (9), a spray hole (11) is provided on the surface of one side of the spray shunt pipe (10), a micro pump (12) is fixedly mounted on one side of the connecting box (9), and a connecting pipe (13) is connected to the top of one side of the micro pump (12).

2. The spray pickling device for large diameter seamless steel pipe according to claim 1, characterized in that: A connecting pipe is provided between the pickling liquid using pipe (5) and the connecting pipe (13); the pickling liquid using pipe (5) and the connecting pipe (13) are connected to the buckle chassis (2) and the buckle groove (4) through a connection relationship, and the connection relationship is a movable buckle connection.

3. The spray pickling device for large diameter seamless steel pipe according to claim 1, characterized in that: A snap plate (14) is fixedly mounted on the back of the sprayer (6); a mounting connection block (15) is detachably mounted on the bottom of one side of the snap plate (14); snap blocks (16) are fixedly mounted on both sides of the top of the mounting connection block (15); a connecting arm (17) is fixedly welded to one side of the mounting connection block (15); a pick-up handle (18) is fixedly welded to one side of the connecting arm (17); an adjusting screw (19) is fixedly connected to the top of one side of the sliding block (8); and an adjusting dial (20) is fixedly connected to the top of one side of the adjusting screw (19).

4. The spray pickling device for large diameter seamless steel pipe according to claim 3, characterized in that: The connection relationship between the snap plate (14) and the snap block (16) is a movable snap connection, the adjusting screw (19) passes through the top end of the sprayer (6), and the connection relationship between the adjusting screw (19) and the snap block (16) is a threaded connection.

5. The spray pickling device for large diameter seamless steel pipe according to claim 1, characterized in that: A universal wheel (21) is rotatably connected to the bottom end of one side of the spray pickling vehicle (1), a rotating shaft (22) is rotatably connected to the top edge of one side of the spray pickling vehicle (1), and a pushing handrail (23) is fixedly connected to the top end of one side of the rotating shaft (22).

6. The spray pickling device for large diameter seamless steel pipe according to claim 1, characterized in that: A top end of one side of the pickling liquid storage tank (3) is connected to a pickling liquid replenishing pipe (24).

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