CN213013053U

CN213013053U - Steel pipe hot-dip galvanizing production line

Info

Publication number: CN213013053U
Application number: CN202021421755.6U
Authority: CN
Inventors: 张利荣; 胡楚根
Original assignee: Hangzhou Chensheng Furnace Co ltd
Current assignee: Hangzhou Chensheng Furnace Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-04-20
Anticipated expiration: 2030-07-17

Abstract

The utility model relates to a steel pipe hot dip galvanizing technology field discloses a steel pipe hot dip galvanizing production line, including hot dip galvanizing mechanism and a transportation mechanism for transporting the steel pipe, the hot dip galvanizing mechanism includes a zinc pot and a heating device, the zinc pot includes a rectangular holding tank for holding zinc liquid, the heating device is used for heating the zinc liquid in the zinc pot; the hot dip galvanizing mechanism also comprises a cleaning assembly, the cleaning assembly is arranged on the zinc pot, and the cleaning assembly is used for cleaning zinc dross on the surface of the zinc liquid in the accommodating tank; the utility model discloses a set up clearance portion, can clear up the zinc dross that floats on the zinc liquid surface that hot dip galvanizing in-process produced, when the steel pipe of accomplishing the galvanizing is drawn forth from the zinc liquid, because surperficial zinc dross is cleared up, reduced the pollution of zinc dross to the steel pipe of accomplishing galvanizing.

Description

Steel pipe hot-dip galvanizing production line

Technical Field

The utility model relates to a steel pipe hot dip galvanizing technical field, concretely relates to steel pipe hot dip galvanizing production line.

Background

Hot galvanizing, also called hot dip galvanizing and hot dip galvanizing, is an effective metal corrosion prevention mode and is mainly used for metal structure facilities in various industries, and the hot galvanizing is used for immersing a steel piece after rust removal into molten zinc at about 500 ℃ to enable a zinc layer to be attached to the surface of the steel piece, so that the purpose of corrosion prevention is achieved, the steel piece is rapidly developed along with high-voltage power transmission, traffic and communication industries, the protection requirement on the steel piece is higher and higher, and the demand of the hot galvanizing is continuously increased.

During the hot dip galvanizing process, zinc dross is generated, and the generated zinc dross mainly has 3 types according to the difference of aluminum content in a zinc pot: the density is less than that of the zinc liquid and the surface slag floats to the surface; bottom slag with density higher than that of the zinc liquid and sinking to the bottom of the zinc pot and zinc slag suspended in the zinc liquid. The cleaning tool is held by people in most of the existing factories to clean the surface slag on the surface of the molten zinc, and because the galvanizing process can generate toxic and harmful gas, operators need to take gas masks to clean the surface slag, so that the working condition is severe and the labor cost is high.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a steel pipe hot dip galvanizing line, it has the advantage that can float the zinc dross on zinc liquid surface and clear up when can hot dip galvanizing the steel pipe.

The above technical purpose of the present invention can be achieved by the following technical solutions: a steel pipe hot-dip galvanizing production line comprises a hot-dip galvanizing mechanism and a conveying mechanism for conveying steel pipes, wherein the hot-dip galvanizing mechanism comprises a zinc pot and a heating device, the zinc pot comprises a cuboid containing tank for containing zinc liquid, and the heating device is used for heating the zinc liquid in the zinc pot; the hot dip galvanizing mechanism further comprises a cleaning assembly, the cleaning assembly is arranged on the zinc pot, and the cleaning assembly is used for cleaning zinc dross on the surface of the zinc liquid in the accommodating tank.

In the utility model, preferably, the transportation mechanism comprises a portal frame, the zinc pot is positioned under the portal frame, the portal frame comprises a vertical leading-out assembly, the vertical leading-out assembly is used for taking and placing steel pipes in the zinc pot along the vertical direction, the vertical leading-out assembly comprises a head sheave and a vertical leading-out frame, the head sheave is rotatably connected to the portal frame, a rope is wound on the head sheave, and the vertical leading-out frame is hung under the head sheave through the rope; and the vertical leading-out frame is provided with a fixing part for fixing the steel pipe.

The utility model discloses in, it is preferred, the fixed part includes a plurality of wire rope that are used for hanging the steel pipe, and is a plurality of wire rope follows the length direction evenly distributed of holding tank is in draw forth perpendicularly on the frame.

In the utility model, preferably, the cleaning assemblies are provided with two groups, each cleaning assembly comprises a cleaning part and a driving part for driving the cleaning part to work, each driving part comprises a linear motion output device, the length direction of each linear motion output device is arranged along the length direction of the accommodating groove, and the two linear motion output devices are arranged on the zinc pot side by side and are respectively positioned at two sides of the accommodating groove; the cleaning part comprises a cleaning plate and a support, the support is used for being connected with the cleaning plate and the linear motion output device, the cleaning plate is vertically arranged in the accommodating tank, the lower end of the cleaning plate is inserted into zinc liquid, the upper end of the cleaning plate is located above the liquid level of the zinc liquid, the cleaning plates on two sides of the accommodating tank are symmetrically arranged and move synchronously, and a gap for the steel wire rope to pass through is reserved between the cleaning plates.

The utility model discloses in, it is preferred, all be provided with a plurality of archs, a plurality of on the both ends face of cleaning plate the arch is in be the matrix distribution on the terminal surface of cleaning plate.

The utility model discloses in, it is preferred, the support with still be provided with between the clearance board and increase the portion, it includes horizontal support plate, screw thread adjusting rod and spacing post to increase the portion, horizontal support plate with support fixed connection, screw thread adjusting rod with spacing post is fixed to be set up on the up end of clearance board, screw thread adjusting rod with spacing post parallel arrangement, horizontal support plate go up seted up two respectively with screw thread adjusting rod reaches spacing post sliding connection's through-hole, screw thread adjusting rod passes the one end spiro union of through-hole has adjusting nut.

In the utility model, preferably, the zinc pot is formed by welding a pure iron plate.

In the present invention, preferably, the heating device adopts electric heating.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up clearance portion, can clear up the zinc dross that floats on the zinc liquid surface that hot dip galvanizing in-process produced, when the steel pipe of accomplishing the galvanizing is drawn forth from the zinc liquid, because surperficial zinc dross is cleared up, reduced the pollution of zinc dross to the steel pipe of accomplishing galvanizing.

Drawings

FIG. 1 is a schematic structural diagram of a steel pipe hot-dip galvanizing production line;

FIG. 2 is a schematic sectional view of a partial structure of a steel pipe hot-dip galvanizing line;

fig. 3 is a schematic structural diagram of the cleaning assembly.

In the drawings: 1. a hot dip galvanizing mechanism; 2. a transport mechanism; 3. a zinc pot; 5. accommodating grooves; 6. cleaning the assembly; 7. a gantry; 8. a vertical extraction assembly; 9. a head sheave; 10. a vertical lead-out frame; 11. a fixed part; 12. A wire rope; 13. a linear motion follower; 14. cleaning the plate; 15. a support; 16. a protrusion; 17. a height adjustment section; 18. a horizontal support plate; 19. a threaded adjusting rod; 20. a limiting column; 21. and adjusting the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a preferred embodiment of the present invention provides a steel pipe hot-dip galvanizing line, which includes a hot-dip galvanizing mechanism 1 and a transportation mechanism 2 for transporting steel pipes, wherein the hot-dip galvanizing mechanism 1 includes a zinc pot 3 and a heating device, the zinc pot 3 includes a rectangular parallelepiped holding tank 5, the holding tank 5 is used for holding molten zinc, and the heating device is used for heating the molten zinc in the zinc pot 3; the hot dip galvanizing mechanism 1 further comprises a cleaning assembly 6, the cleaning assembly 6 is arranged on the zinc pot 3, and the cleaning assembly 6 is used for cleaning zinc dross on the surface of zinc liquid in the accommodating tank 5; the conveying mechanism 2 comprises a portal frame 7, the zinc pot 3 is positioned right below the portal frame 7, the portal frame 7 comprises a vertical leading-out assembly 8, the vertical leading-out assembly 8 is used for taking and placing a steel pipe in the zinc pot 3 along the vertical direction, the vertical leading-out assembly 8 comprises a head sheave 9 and a vertical leading-out frame 10, the head sheave 9 is rotatably connected to the portal frame 7, a rope is wound on the head sheave 9, and the vertical leading-out frame 10 is hung below the head sheave 9 through the rope; the vertical leading-out frame 10 is provided with a fixing part 11 for fixing the steel pipe; the fixing part 11 comprises a plurality of steel wire ropes 12 for hanging the steel pipes, and the steel wire ropes 12 are uniformly distributed on the vertical leading-out frame 10 along the length direction of the accommodating groove 5. The steel pipe passes through wire rope 12 to be fixed in the below of drawing forth frame 10 perpendicularly, and head sheave 9 puts the steel pipe into holding tank 5 through the rope and carries out hot dip galvanizing when needing to carry out the zinc-plating to the steel pipe surface, and when hot dip galvanizing was accomplished, clearance subassembly 6 cleared up the dross that floats on the molten zinc surface in holding tank 5 earlier, and the back head sheave 9 rethread rope draws the steel pipe in vertical direction zinc pot 3 after the clearance is accomplished, and such setting, when the steel pipe that accomplishes the galvanizing is drawn forth from the molten zinc, because surperficial dross is cleared up, has reduced the pollution of dross to the steel pipe of accomplishing the galvanizing.

The cleaning assemblies 6 are arranged in two groups, each cleaning assembly 6 comprises a cleaning part and a driving part for driving the cleaning part to work, each driving part comprises a linear motion output device 13, the length direction of each linear motion output device 13 is arranged along the length direction of the corresponding accommodating groove 5, and the two linear motion output devices 13 are arranged on the zinc pot 3 side by side and are respectively positioned on two sides of the corresponding accommodating groove 5; the cleaning part comprises cleaning plates 14 and a support 15, the support 15 is used for connecting the cleaning plates 14 and the linear motion output device 13, the cleaning plates 14 are vertically arranged in the accommodating tank 5, the lower ends of the cleaning plates 14 are inserted into zinc liquid, the upper ends of the cleaning plates 14 are positioned above the liquid level of the zinc liquid, the cleaning plates 14 on two sides of the accommodating tank 5 are symmetrically arranged and move synchronously, and a gap for the steel wire rope 12 to pass through is reserved between the two cleaning plates 14; all be provided with a plurality of archs 16 on the both ends face of cleaning plate 14, a plurality of archs 16 are the matrix distribution on the terminal surface of cleaning plate 14, and the setting of a plurality of archs 16 has increased the area of contact on cleaning plate 14 and the zinc liquid surface, collects the dross on the zinc liquid surface on cleaning plate 14 more easily, prevents that cleaning plate 14 from breaking away from cleaning plate 14 from the both sides of cleaning plate 14 at the in-process dross of motion, has optimized cleaning plate 14's clearance effect. In this scheme, linear motion follower 13 can be for the structure that has linear motion output function, for example linear electric motor etc. when clearance subassembly 6 cleared up, linear motion follower 13 drives clearance plate 14 and moves along the horizontal direction, pushes away to scrape the one end of holding tank 5 with the dross that floats on the zinc liquid level.

A height adjusting part 17 is further arranged between the support 15 and the cleaning plate 14, the height adjusting part 17 comprises a horizontal support plate 18, a threaded adjusting rod 19 and a limiting column 20, the horizontal support plate 18 is fixedly connected with the support 15, the threaded adjusting rod 19 and the limiting column 20 are fixedly arranged on the upper end surface of the cleaning plate 14, the threaded adjusting rod 19 and the limiting column 20 are arranged in parallel, two through holes which are respectively connected with the threaded adjusting rod 19 and the limiting column 20 in a sliding manner are formed in the horizontal support plate 18, and one end, penetrating through the through holes, of the threaded adjusting rod 19 is connected with an adjusting nut 21 in a threaded manner; the zinc pot 3 is formed by welding pure iron plates; the heating device adopts electric heating; the setting of height-adjusting part 17 can be adjusted clearance board 14 according to the height of liquid zinc liquid level in holding tank 5 to make clearance board 14 have some to insert all the time to the liquid zinc, in order to guarantee the clearance effect of clearance board 14 to liquid zinc surface dross.

Claims

1. A steel pipe hot dip galvanizing line comprises a hot dip galvanizing mechanism (1) and a conveying mechanism (2) for conveying steel pipes, and is characterized in that: the hot dip galvanizing mechanism (1) comprises a zinc pot (3) and a heating device, the zinc pot (3) comprises a cuboid accommodating tank (5), the accommodating tank (5) is used for accommodating zinc liquid, and the heating device is used for heating the zinc liquid in the zinc pot (3); the hot dip galvanizing mechanism (1) further comprises a cleaning assembly (6), the cleaning assembly (6) is arranged on the zinc pot (3), and the cleaning assembly (6) is used for cleaning zinc dross on the surface of zinc liquid in the accommodating tank (5).

2. The steel pipe hot dip galvanizing line as claimed in claim 1, wherein: the conveying mechanism (2) comprises a portal frame (7), the zinc pot (3) is located under the portal frame (7), the portal frame (7) comprises a vertical leading-out assembly (8), the vertical leading-out assembly (8) is used for taking and placing a steel pipe in the zinc pot (3) along the vertical direction, the vertical leading-out assembly (8) comprises a head sheave (9) and a vertical leading-out frame (10), the head sheave (9) is rotatably connected to the portal frame (7), a rope is wound on the head sheave (9), and the vertical leading-out frame (10) is hung below the head sheave (9) through the rope; the vertical leading-out frame (10) is provided with a fixing part (11) for fixing the steel pipe.

3. A steel pipe hot dip galvanizing line as claimed in claim 2, wherein: the fixing part (11) comprises a plurality of steel wire ropes (12) used for hanging steel pipes, and the steel wire ropes (12) are uniformly distributed on the vertical leading-out frame (10) along the length direction of the accommodating groove (5).

4. A steel pipe hot dip galvanizing line as claimed in claim 3, wherein: the cleaning assemblies (6) are provided with two groups, each cleaning assembly (6) comprises a cleaning part and a driving part for driving the cleaning part to work, each driving part comprises a linear motion output device (13), the length direction of each linear motion output device (13) is arranged along the length direction of the corresponding accommodating groove (5), and the two linear motion output devices (13) are arranged on the zinc pot (3) side by side and are respectively positioned on two sides of the corresponding accommodating groove (5); clearance portion is including clearance board (14) and support (15), support (15) are used for connecting clearance board (14) with linear motion follower (13), vertical setting of clearance board (14) is in holding tank (5), clearance board (14) lower extreme inserts in the zinc liquid, clearance board (14) upper end is located zinc liquid level top, holding tank (5) both sides clearance board (14) symmetry sets up and synchronous motion, two still leave the confession between clearance board (14) the clearance that wire rope (12) passed through.

5. The steel pipe hot dip galvanizing line as claimed in claim 4, wherein: the cleaning plate is characterized in that a plurality of protrusions (16) are arranged on two end faces of the cleaning plate (14), and the protrusions (16) are distributed on the end face of the cleaning plate (14) in a matrix manner.

6. The steel pipe hot dip galvanizing line as claimed in claim 4, wherein: support (15) with still be provided with between clearance plate (14) and increase portion (17), increase portion (17) including horizontal support board (18), screw thread adjusting rod (19) and spacing post (20), horizontal support board (18) with support (15) fixed connection, screw thread adjusting rod (19) with spacing post (20) fixed setting is in on the up end of clearance plate (14), screw thread adjusting rod (19) with spacing post (20) parallel arrangement, set up on horizontal support board (18) two respectively with screw thread adjusting rod (19) and spacing post (20) sliding connection's through-hole, screw thread adjusting rod (19) pass the one end spiro union of through-hole has adjusting nut (21).

7. The steel pipe hot dip galvanizing line as claimed in claim 1, wherein: the zinc pot (3) is formed by welding pure iron plates.

8. The steel pipe hot dip galvanizing line as claimed in claim 1, wherein: the heating device adopts electric heating.