CN211247777U

CN211247777U - Steel billet dephosphorization machine

Info

Publication number: CN211247777U
Application number: CN201922163702.2U
Authority: CN
Inventors: 郭栋; 傅士刚; 王云磊; 方建武; 杜建勇; 方建光; 郭素萍
Original assignee: Shandong Luli Steel Co ltd
Current assignee: Shandong Luli Steel Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-14
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a steel billet dephosphorizing machine, which comprises a dephosphorizing machine body, wherein a welding machine at the bottom edge part of the dephosphorizing machine body is provided with a chassis, a connecting convex strip is welded at one end edge part of the chassis, a limit groove is arranged at the other end of the chassis corresponding to the position of the edge part of the outer surface of the connecting convex strip, positioning holes are arranged at both sides of the connecting convex strip and the top end of the chassis, a positioning bolt is arranged at the middle part of the inner wall of the positioning hole, the connecting convex strip of one chassis is put into the limit groove of the other chassis through the chassis, so that the positioning hole of the connecting convex strip and the positioning hole of the chassis are superposed, then the positioning bolt is put into the positioning hole, the splicing of the two chassis can be completed, the splicing difficulty of the two chassis is reduced, and simultaneously, the connection between a forklift and, thereby being convenient for carrying the chassis.

Description

Steel billet dephosphorization machine

Technical Field

The utility model relates to a steel product hot rolling technical field specifically is a steel billet dephosphorization machine.

Background

Heating is needed before the steel billet is hot-rolled, but the steel billet can be oxidized at a high temperature, a layer of compact iron scale (phosphor scale) can be formed on the surface of the steel billet, and if the layer of iron scale can not be removed before rolling, the phosphor scale can be pressed onto the surface of the strip steel by a roller in the rolling process, so that the surface quality of the strip steel is influenced. The residual iron oxide scale can accelerate the abrasion of the roller and reduce the service life of the roller, and if strip steel needs acid pickling, the residual iron oxide scale can increase the difficulty of acid pickling and increase the acid consumption, so that the surface iron oxide scale needs to be removed before billet steel rolling, and a method for removing the iron oxide scale by using the mechanical impact force of high-pressure water (high-pressure water dephosphorization) is the most effective method at present;

in the dephosphorization system, high-pressure water generated by a high-pressure water pump enters a dephosphorization nozzle, under the action of the nozzle, the high-pressure water forms a fan-shaped water beam with large impact force and is sprayed to the surface of a billet (or an intermediate billet), and under the action of the high-pressure fan-shaped water beam, the iron oxide scale is cut, quenched and shrunk, stripped from a base body base metal and washed to the process of leaving the surface of the billet (or the intermediate billet), so that the iron oxide scale is removed completely;

however, in the existing steel billet dephosphorization process, a plurality of steel billet dephosphorization machines are required to carry out dephosphorization at the same time, but the plurality of steel billet dephosphorization machines are not provided with connecting devices, and all the steel billet dephosphorization machines are attached to each other by utilizing the underframe and then are placed on a plane, so that the phenomenon of unstable connection among the plurality of steel billet dephosphorization machines is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a steel billet dephosphorization machine can effectively solve the steel billet dephosphorization in-process that proposes among the above-mentioned background art and need a plurality of steel billet dephosphorization machines to carry out dephosphorization work together, but a plurality of steel billet dephosphorization machines do not have connecting device, all utilize laminating each other between the chassis, then place in the plane to lead to connecting unstable problem between a plurality of steel billet dephosphorization machines.

In order to achieve the above object, the utility model provides a following technical scheme: a steel billet dephosphorizing machine comprises a dephosphorizing machine body, wherein a base plate is welded on the edge part of the bottom end of the dephosphorizing machine body, a connecting convex strip is welded on the edge part of one end of the base plate, a limiting groove is formed in the position, corresponding to the edge part of the outer surface of the connecting convex strip, of the other end of the base plate, positioning holes are formed in the connecting convex strip and two sides of the top end of the base plate, positioning bolts are arranged in the middle of the inner wall of each positioning hole;

the welding of chassis top limit portion has the winding displacement board, the half slot has been seted up to winding displacement board surface limit portion equidistance, the welding of winding displacement board one end limit portion equidistance has the fixed block, fixed block top limit portion is connected with the rubber strip, the welding of winding displacement board other end limit portion equidistance has the connecting block, the square hole has been seted up at connecting block top middle part, rubber strip one end limit portion is connected with the movable block, movable block top middle part through connection has the bolt.

Preferably, the moving block is located in the square hole, and the bolt is connected with the connecting block through threads.

Preferably, the connecting convex strip is positioned in the limiting groove, and the connecting convex strip is connected with the limiting groove through a positioning bolt.

The welding of the positive top of dephosphorization machine body has the board of placing, it is connected with the rotation post to place board surface equidistance, the welding of the positive middle part of rotation post has the dwang, the welding of the positive bottom of dephosphorization machine body has the backup pad, notch has been seted up to backup pad top limit portion.

Preferably, the position of the back side of the rotating column corresponding to the front side of the placing plate is provided with a round hole, the rotating column is positioned inside the round hole, the placing plate is provided with round grooves at equal intervals on the front side, and the middle part of the inner wall of the round groove is provided with a dephosphorization spray head and a high-pressure spray pipe.

Preferably, a water outlet hole is formed in one end edge of the supporting plate, and a wooden plug is arranged in the middle of the inner wall of the water outlet hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is scientific and reasonable, convenience safe in utilization:

1. through the chassis, connect the sand grip, the spacing groove, the locating hole, the locating pin and constant head tank, put into the spacing inslot portion on another chassis with the connection sand grip on a chassis, thereby make and connect coincidence between the locating hole on sand grip and the locating hole on chassis, then, it is inside to put into the locating hole with the locating pin, can accomplish the concatenation on two chassis, the concatenation degree of difficulty on two chassis has been reduced, and simultaneously, utilize the constant head tank, the fork truck and the chassis between be convenient for be connected, and then be convenient for carry the chassis.

2. Through winding displacement board, half slot, fixed block, rubber strip, connecting block, square hole, movable block and bolt, can be convenient for carry out the cycloid to the connecting wire of dephosphorization machine body, simultaneously, prevent to contact between the connecting wire of dephosphorization machine body and the plane, moreover, can prevent that the connecting wire of dephosphorization machine body from taking place the phenomenon of crisscross each other.

3. Through placing board, rotation post, dwang, backup pad and notch, can be convenient for dewater dephosphorization shower nozzle and dephosphorization spray tube after the use, reduced the inside water stain of dephosphorization shower nozzle and dephosphorization spray tube to prevent that dephosphorization shower nozzle and dephosphorization spray tube are inside to take place the phenomenon of corroding because of water stain, and then protected dephosphorization shower nozzle and dephosphorization spray tube.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the installation structure of the rotary column of the present invention;

fig. 3 is a schematic view of the mounting structure of the moving block of the present invention;

reference numbers in the figures: 1. a phosphorus removal machine body; 2. a chassis; 3. connecting convex strips; 4. a limiting groove; 5. positioning holes; 6. positioning bolts; 7. positioning a groove; 8. a wire arranging plate; 9. a semicircular groove; 10. a fixed block; 11. a rubber strip; 12. connecting blocks; 13. a square hole; 14. a moving block; 15. a bolt; 16. placing the plate; 17. rotating the column; 18. rotating the rod; 19. a support plate; 20. a notch.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model provides a technical scheme, a steel billet dephosphorization machine, including

dephosphorization machine body

1, 1 bottom limit portion welding machine of dephosphorization machine body has

chassis

2, 2 one end limit portion welding on chassis has connection sand grip 3, the corresponding 3 surface limit portion position departments of connection sand grip of 2 other ends on chassis have seted up spacing groove 4, it is inside that connection sand grip 3 is located spacing groove 4, connect through spacer 6 between sand grip 3 and the spacing groove 4, can be convenient for connect the concatenation between sand grip 3 and the spacing groove 4, the concatenation degree of difficulty between connection sand grip 3 and the spacing groove 4 has been reduced, connect

sand grip

3 and 2 top both sides on chassis and all seted up locating hole 5, locating hole 5 inner wall middle part is provided with spacer 6, constant head tank 7 has all been seted up to 2 bottom both sides on chassis.

2 welding of top limit portion on chassis has the winding displacement board 8, half slot 9 has been seted up to 8 outer surface limit portion equidistance of winding displacement board, 8 one end limit portion equidistance welding of winding displacement board has fixed

block

10, 10 top limit portion of fixed block are connected with

rubber strip

11, 8 other end limit portion equidistance welding of winding displacement board has connecting block 12, square hole 13 has been seted up at connecting block 12 top middle part, 11 one end limit portion of rubber strip is connected with movable block 14, movable block 14 is located inside square hole 13, pass through threaded connection between bolt 15 and the connecting block 12, can be spacing to movable block 14, prevent that the position of movable block 14 from taking place the phenomenon of removing, and simultaneously, bolt 15 can drive movable block 14 along the inside removal of.

The welding of 1 positive top of dephosphorization machine body places board 16, it is connected with rotation post 17 to place 16 outer surface equidistance of board, rotation post 17 back limit portion corresponds places board 16 front position department and has seted up the round hole, rotation post 17 is located inside the round hole, place 16 front equidistance of board and seted up the circular slot, circular slot inner wall middle part is provided with dephosphorization shower nozzle and high-pressure spray tube, can be convenient for rotate the rotation of post 17, the rotation degree of difficulty of rotating post 17 has been reduced, and simultaneously, can carry out spacingly to rotation post 17, the welding of 17 front middle part of rotation post has dwang 18, the welding of 1 positive bottom of dephosphorization machine body has

backup pad

19, 19 one end limit portion of backup pad has seted up the apopore, apopore inner wall middle part is provided with the wooden plug, can be convenient for the inside water discharge of settling.

The utility model discloses a theory of operation and use flow: in the practical use process of the steel billet dephosphorizing machine, the forklift is connected with the positioning groove 7 of the chassis 2, then the connecting convex strip 3 of one chassis 2 is placed into the limiting groove 4 of the other chassis 2, so that the positioning hole 5 of the connecting convex strip 3 is coincided with the positioning hole 5 of the chassis 2, then the positioning bolt 6 is placed into the positioning hole 5, the splicing of the two chassis 2 can be completed, the splicing difficulty of the two chassis 2 is reduced, and meanwhile, the positioning groove 7 is utilized, the connection between the forklift and the chassis 2 can be facilitated, and the chassis 2 can be conveniently carried;

then, the connecting wires of the phosphorus removing machine body 1 are sequentially placed inside the semicircular groove 9, then the bolt 15 is rotated, the bolt 15 drives the moving block 14 to move along the inside of the square hole 13, so that the rubber strip 11 is stretched, the connecting wires are extruded in the stretching process of the rubber strip 11, and the connecting wires of the phosphorus removing machine body 1 are fixed inside the wire arranging plate 8, so that the connecting wires of the phosphorus removing machine body 1 can be conveniently subjected to cycloid, meanwhile, the connecting wires of the phosphorus removing machine body 1 are prevented from being contacted with a plane, and the connecting wires of the phosphorus removing machine body 1 can be prevented from being staggered;

finally, high-pressure water generated by a high-pressure water pump of the phosphorus removal machine body 1 enters a phosphorus removal nozzle, under the action of the nozzle, the high-pressure water forms a fan-shaped water beam with large impact force and is sprayed to the surface of a billet (or an intermediate billet), and under the action of the high-pressure fan-shaped water jet beam, the iron oxide scale is cut, rapidly cooled and contracted, stripped from a base body base metal and washed to leave the surface of the billet (or the intermediate billet), so that the iron oxide scale is removed completely;

the used dephosphorization nozzle and dephosphorization spray pipe are placed on the inner wall of the circular groove of the placing plate 16, then the rotating column 17 is rotated, the rotating column 17 drives the rotating rod 18 to rotate, so that the dephosphorization nozzle and the dephosphorization spray pipe are fixed inside the placing plate 16, the dephosphorization nozzle and the dephosphorization spray pipe are perpendicular to the placing plate 16, and when the dephosphorization nozzle and the dephosphorization spray pipe are perpendicular to the plane, water inside the dephosphorization nozzle and the dephosphorization spray pipe drops downwards due to gravity and enters the notch 20 of the supporting plate 19, the used dephosphorization nozzle and the used dephosphorization spray pipe can be conveniently dehydrated, water stains inside the dephosphorization nozzle and the dephosphorization spray pipe are reduced, the phenomenon that the dephosphorization nozzle and the dephosphorization spray pipe are corroded due to the water stains is prevented, and the dephosphorization nozzle and the dephosphorization spray pipe are protected.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a steel billet dephosphorization machine, includes dephosphorization machine body (1), its characterized in that: the welding machine for the bottom end edge part of the phosphorus removing machine body (1) is provided with a chassis (2), one end edge part of the chassis (2) is welded with a connecting convex strip (3), the other end of the chassis (2) is provided with a limiting groove (4) corresponding to the position of the outer surface edge part of the connecting convex strip (3), the connecting convex strip (3) and two sides of the top end of the chassis (2) are both provided with positioning holes (5), the middle part of the inner wall of each positioning hole (5) is provided with a positioning bolt (6), and two sides of the bottom end of the chassis (2;

the welding of chassis (2) top limit portion has winding displacement board (8), semicircular groove (9) have been seted up to winding displacement board (8) surface limit portion equidistance, the welding of winding displacement board (8) one end limit portion equidistance has fixed block (10), fixed block (10) top limit portion is connected with rubber strip (11), the welding of winding displacement board (8) other end limit portion equidistance has connecting block (12), square hole (13) have been seted up at connecting block (12) top middle part, rubber strip (11) one end limit portion is connected with movable block (14), movable block (14) top middle part through connection has bolt (15).

2. The steel billet dephosphorization machine of claim 1, wherein: the moving block (14) is located in the square hole (13), and the bolt (15) is in threaded connection with the connecting block (12).

3. The steel billet dephosphorization machine of claim 1, wherein: the connecting convex strip (3) is positioned in the limiting groove (4), and the connecting convex strip (3) is connected with the limiting groove (4) through the positioning bolt (6).

4. The steel billet dephosphorization machine of claim 1, wherein: the welding of dephosphorization machine body (1) front top has placed board (16), it is connected with rotation post (17) to place board (16) surface equidistance, it has dwang (18) to rotate the welding of post (17) front middle part, dephosphorization machine body (1) front bottom welding has backup pad (19), notch (20) have been seted up to backup pad (19) top limit portion.

5. The steel billet dephosphorization machine of claim 4, wherein: rotate post (17) back limit portion and correspond place board (16) front position department and seted up the round hole, it is inside that post (17) are located the round hole to rotate, place board (16) front equidistance and seted up the circular slot, circular slot inner wall middle part is provided with dephosphorization shower nozzle and high-pressure spray tube.

6. The steel billet dephosphorization machine of claim 4, wherein: one end edge of the supporting plate (19) is provided with a water outlet hole, and the middle part of the inner wall of the water outlet hole is provided with a wooden plug.