CN115351106A - Descaling device for removing iron scale on surface of large-sized angle steel rolled piece - Google Patents

Abstract

The utility model provides a get rid of scale removal device of large-scale angle steel rolled piece surface scale, belongs to steel rolling production facility technical field for get rid of the surface scale of angle steel rolled piece. The technical scheme is as follows: the base is in the below of roll table, the one end at the base is fixed to electric liquid push rod, the dephosphorization case is the rectangle box body, the front end of electric liquid push rod is connected with the side of dephosphorization case, the bottom surface of dephosphorization case is sliding fit with the upper plane of base, there are feed inlet and discharge gate opposite with the rolled piece traffic direction of roll table in the front of dephosphorization case and back, the dephosphorization ring is installed in the dephosphorization case, the dephosphorization ring is by annular water pipe, nozzle and inlet tube are constituteed, install a plurality of perpendicular downward and ascending parallel nozzle on annular water pipe's the upper tube and the low tube respectively, there is the clearance that the rolled piece passed through between the nozzle of upper tube and low tube, annular water pipe is connected with high-pressure water pipe through the inlet tube. The phosphorus removal device is simple in structure and good in phosphorus removal effect, can effectively remove iron scales on the surface of a rolled piece, and improves the surface quality of the rolled piece.

Description

A descaling device for removing scale on the surface of large angle steel rolled pieces

technical field

The invention relates to a device for removing oxidized scale on the surface of a large angle steel rolled piece, and belongs to the technical field of steel rolling production equipment.

Background technique

In the rolling production process of large-scale angle steel, scale will inevitably be produced on the surface of the angle steel. If the scale cannot be removed in time, surface indentations will occur due to the scale being pressed into the surface of the angle steel, resulting in poor surface quality and affecting the quality of the product. The quality of the product is affected, resulting in economic losses. Therefore, in order to improve the surface quality of large angle steel and reduce the surface defects caused by scale pressing, it is necessary to install a descaling device on the rolling mill to eliminate the impact of scale on the quality of large angle steel products.

Contents of the invention

The technical problem to be solved by the present invention is to provide a descaling device for removing scales on the surface of large angle steel rolled pieces. This dephosphorization device can effectively remove scales on the surface of rolled pieces, improve the surface quality of rolled pieces, and increase the economic benefits of enterprises. .

The technical scheme that solves the above-mentioned technical problem is:

A dephosphorization device for removing oxidized scale on the surface of large angle steel rolled pieces, which includes a base, an electro-hydraulic push rod, an electro-hydraulic push rod seat, a dephosphorization box, a dephosphorization ring, and a high-pressure water pipe. The base is placed under the roller table, and the base The length direction of the roller table is perpendicular to the running direction of the roller table. The electro-hydraulic push rod is located on the base, and the electro-hydraulic push rod is fixed on one end of the base through the electro-hydraulic push rod seat. On the plane, the front end of the electro-hydraulic push rod is connected to the side of the phosphorus removal box, the bottom surface of the phosphorus removal box is in sliding fit with the upper plane of the base, and the front and rear of the rectangular box body of the phosphorus removal box have a material inlet and a material outlet. The inlet, feed inlet and outlet are opposite to the running direction of the rolled piece on the roller table. The phosphorus removal ring is installed in the phosphorus removal box. The phosphorus removal ring is composed of an annular water pipe, a nozzle and a water inlet pipe. The direction is vertical, and the upper pipe of the annular water pipe is connected with the inner wall of the upper top surface of the phosphorus removal tank through a tie rod. The upper pipe and the lower pipe of the annular water pipe are respectively equipped with multiple vertically downward and upward parallel nozzles. There is a gap between the nozzles for the rolling piece to pass through. One end of the water inlet pipe is connected to the upper part of the annular water pipe, and the other end of the water inlet pipe extends out of the upper surface of the phosphorus removal box to connect with the high-pressure water pipe.

The above-mentioned dephosphorization device for removing the oxide scale on the surface of a large angle steel rolled piece, the base is a reinforced concrete cuboid structure, and there is an installation foundation under the base, and the base is connected to the foundation through anchor bolts.

The above-mentioned dephosphorization device for removing oxidized scale on the surface of large-scale angle steel rolled pieces, the front and rear feed inlets and discharge outlets of the dephosphorization box are respectively equipped with a feed sleeve and a discharge sleeve, and the feed sleeve and The discharge sleeves are square cone-shaped, the big ends of the square cones are opposite to the incoming material direction of the rolled piece, the central axes of the feed sleeve and the discharge sleeve are on a straight line, and the front end of the rolled piece is in line with the feed sleeve. cylinder relative.

The above-mentioned dephosphorization device for removing oxidized scale on the surface of large angle steel rolled pieces, the lengths of the multiple parallel nozzles of the upper pipe and the lower pipe of the annular water pipe of the dephosphorization ring are not equal, and the lengths of the nozzles at both ends of the upper pipe are greater than that of the middle nozzle. length, the length of the nozzles at both ends gradually decreases towards the middle, the length of the nozzles at both ends of the lower tube is smaller than the length of the nozzles in between, and the length of the nozzles at both ends gradually increases towards the middle, and the front ends of multiple nozzles of the upper tube and the lower tube respectively form opposite The apex of the triangle faces upward, and the gap between the triangles formed by the multiple nozzles of the upper tube and the lower tube is the channel through which the large angle steel rolled piece passes. The spraying directions of the multiple nozzles are vertical, and the high-pressure water sprayed by the nozzles is Conical shape, the cone angle is 25-35 degrees, and the vertical plane between the nozzle and the phosphorus removal ring has an included angle of 5-10 degrees towards the incoming material direction.

The above-mentioned dephosphorization device for removing oxidized iron scale on the surface of large angle steel rolled pieces has outwardly protruding slideways on both sides of the upper plane of the base, and the front and rear lower ends of the phosphorus removal box extend downwards to the slideways on both sides of the base respectively. The outer side of the phosphorus removal box is connected with splints at the front and rear lower ends respectively. The splints are clamped under the slideways on both sides of the base. There is a gap between the splint and the bottom surface of the slideways on both sides of the base. It is fixedly connected with the lower end face at the back.

The beneficial effects of the present invention are:

The invention is located in the roller table, and the running angle steel rolling piece passes through the phosphorus removal ring in the phosphorus removal box, and the high-pressure water of the phosphorus removal ring removes the oxide scale on the surface of the angle steel rolling piece; one side of the phosphorus removal box is connected with the electro-hydraulic push rod Connected, the electro-hydraulic push rod can push the phosphorus removal box to move on the base to correspond to the angle steel rolling pieces running at different positions on the roller table; the gap between the upper pipe nozzle and the lower pipe nozzle of the phosphorus removal ring and the section of the angle steel rolling piece Matching, when the rolled piece passes through the nozzle, sufficient injection pressure can be obtained; the cone angle of the nozzle spraying water is 25-35 degrees, and the angle between the nozzle and the incoming material direction is 5-10 degrees, which can achieve better phosphorus removal effect.

The invention has the advantages of simple structure, convenient use and good phosphorus removal effect, can effectively remove iron oxide scales on the surface of rolled pieces, improve the surface quality of rolled pieces, and increase the economic benefits of enterprises.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the front view of Fig. 1;

Fig. 3 is the top view of Fig. 1;

Fig. 4 is a side view of Fig. 1;

FIG. 5 is a partial view of FIG. 4 .

The marks in the figure are as follows: foundation 1, base 2, anchor bolt 3, electro-hydraulic push rod 4, electro-hydraulic push rod seat 5, phosphorus removal box 6, feed port 7, discharge port 8, feed sleeve 9, Discharge sleeve 10, phosphorus removal ring 11, pull rod 12, annular water pipe 13, nozzle 14, water inlet pipe 15, high pressure water pipe 16, slideway 17, splint 18, rolling piece 19, roller table 20.

Detailed ways

The present invention is composed of foundation 1, base 2, anchor bolt 3, electro-hydraulic push rod 4, electro-hydraulic push rod seat 5, phosphorus removal box 6, phosphorus removal ring 11, and pull rod 12.

Figures 1 and 2 show that the base 2 is placed under the roller table 20. There is an installation foundation 1 under the base 2. The base 2 is connected to the base 1 through anchor bolts 3. The base 2 is a reinforced concrete cuboid structure. The longitudinal direction is perpendicular to the running direction of the roller table 19.

Figures 1 and 2 show that the electro-hydraulic push rod 4 is located on the base 2, the electro-hydraulic push rod seat 5 is fixed on one end of the base 2, and the electro-hydraulic push rod 4 is connected with the electro-hydraulic push rod seat 5. The function of the electro-hydraulic push rod 4 is to push the phosphorus removal box 6 to move along the length direction of the base 2 .

Figures 1, 2, and 3 show that the phosphorus removal box 6 is a rectangular box, and the phosphorus removal box 6 is placed on the plane of the base 2, and the front end of the electro-hydraulic push rod 4 is connected with the side of the phosphorus removal box 6, and the phosphorus removal box 6 The bottom surface of the base and the upper plane of the base 2 are in a sliding fit, the electro-hydraulic push rod 4 pushes the phosphorus removal box 6 to move along the length direction of the base 2, and the stroke of the electro-hydraulic push rod 4 is that the phosphorus removal box 6 is on the base 2 The distance moved. The length of the base 2 is greater than the length of the two phosphorus removal boxes 6, and the phosphorus removal box 6 can reach two working positions under the promotion of the electro-hydraulic push rod 4, corresponding to the two rolling pieces 18 running passages on the roller table 20, and also It can stop at any position in the roller table 20, opposite to the rolling stock 19 running on the roller table 20.

Figures 2, 3, and 4 show that the front and rear of the rectangular box body of the phosphorus removal box 6 have a feed port 7 and a discharge port 8, and the rolling stock 19 running direction of the feed port 7 and the discharge port 8 and the roller table 20 relatively. The feed inlet 7 and the discharge outlet 8 of the front and rear of the phosphorus removal box 6 are equipped with a conical feed sleeve 9 and a discharge sleeve 10 respectively, and the feed sleeve 9 and the discharge sleeve 10 are square. Conical, the large end of the square cone is opposite to the incoming material direction of the rolling piece 19, the central axes of the feeding sleeve 9 and the discharging sleeve 10 are on a straight line, and the front end of the rolling piece 19 is opposite to the feeding sleeve 9 , The square tapered feeding sleeve 9 makes the area of the feeding port 7 larger, which can make the rolled piece 19 enter the phosphorus removal box 6 more smoothly.

Figures 1 and 4 show that the phosphorus removal ring 11 is installed in the phosphorus removal box 6, and the phosphorus removal ring 11 is composed of an annular water pipe 13, a nozzle 14 and a water inlet pipe 15. The plane of the annular water pipe 13 is perpendicular to the running direction of the rolling 19 pieces. The upper pipe of the annular water pipe 13 is connected with the upper top surface inner wall of the phosphorus removal box 6 by a pull rod 12. One end of the water inlet pipe 15 is connected to the top of the annular water pipe 13. The water inlet pipe The other end of 15 stretches out and is connected with high-pressure water pipe 16 on the top surface of dephosphorization box 6 .

Figures 1 and 4 show that the upper pipe and the lower pipe of the annular water pipe 13 are respectively equipped with a plurality of vertically downward and upward parallel nozzles 14, and there is a rolling piece 19 passing between the nozzle 14 of the upper pipe and the nozzle 14 of the lower pipe. Gap, the gap matches the section of the angle steel rolling piece 19. When the rolled piece 19 passes through the gap, the nozzles 14 of the upper tube and the nozzles 14 of the lower tube can simultaneously dephosphorize the upper surface and the lower surface of the rolled piece 19 .

Figures 1 and 4 show that the lengths of the upper pipe of the annular water pipe 13 of the phosphorus removal ring 11 and the multiple parallel nozzles 14 of the lower pipe are not equal, and the length of the nozzles at both ends of the upper pipe is greater than the length of the middle nozzle, and the length of the nozzles at both ends is greater than that of the middle nozzle. Decrease gradually towards the middle, the length of the nozzles at both ends of the down pipe is less than the length of the nozzles between them, the length of the nozzles at both ends gradually increases towards the middle, the front ends of multiple nozzles 14 of the upper pipe and the lower pipe respectively form a relative triangle, and the top of the triangle The corner faces upward, and the gap between the triangles formed by the multiple nozzles 14 of the upper pipe and the lower pipe is the channel through which the large angle steel rolled piece 19 passes. The spraying direction of the multiple nozzles 14 is vertical, and the high-pressure water sprayed by the nozzles 14 is conical. , the cone angle is 25-35 degrees, and the vertical plane between the nozzle 14 and the dephosphorization ring 11 has an included angle of 5-10 degrees towards the incoming material direction. Using such a nozzle 14 can generate sufficient injection pressure when the rolled piece 19 passes, so as to achieve a better phosphorus removal effect.

Figures 4 and 5 show that there are outwardly protruding slideways 17 on both sides of the upper plane of the base 2, and the front and rear lower ends of the phosphorus removal box 6 extend downwards to the outsides of the slideway 17 on both sides of the base respectively, and the phosphorus removal box The lower ends of the front and the back of 6 are respectively connected with splints 18, and the splints 18 are clamped under the slideways 17 on both sides of the base 2. There is a gap between the splints 18 and the bottom surfaces of the slideways 17 on both sides of the base 2. The splints 17 are formed by bolts and dephosphorization. The lower surface of the front and the back of the case 6 is fixedly connected. The splint 17 is used to constrain the descaling box 6 so that the dephosphorization box 6 can slide along the length direction of the base 2 without sliding out and toppling to both sides.

The application process of the present invention is as follows: the phosphorus removal box is placed on the base, the electric push rod is connected with the side wall of the phosphorus removal box, the electric push rod is started to push the phosphorus removal box on the slide on the base, and the phosphorus removal box is moved to the roller table On the running route of the angle steel rolled piece, the front feed port of the phosphorus removal box is opposite to the front end of the rolled piece;

Open the valve of the high-pressure water pipe 16, and the high-pressure water enters in the annular water pipe 13 of the phosphorus-removal ring 11 through the water inlet pipe 15 of the phosphorus-removing ring 11, and the high-pressure water is ejected by the upper pipe of the annular water pipe 13 and the nozzle 14 of the lower pipe;

The rolled piece 19 enters the phosphorus removal box 6 through the feed sleeve 9 of the front feed inlet 7 of the phosphorus removal box 6, and the rolled piece 19 enters the gap between the upper pipe nozzle and the lower pipe nozzle of the phosphorus removal ring 11, the upper pipe and the lower pipe nozzle. The high-pressure water ejected from the nozzle 14 of the lower pipe sprays the upper surface and the lower surface of the rolled piece 19 respectively to remove the iron oxide scale attached to the rolled piece 19 and complete the dephosphorization work.

An example of the present invention is as follows:

The base 2 has a length of 3940mm, a width of 530mm, and a height of 500mm;

The model of the electro-hydraulic push rod 4 is DYTZ2500-1530/35, and the stroke of the electro-hydraulic push rod 4 is 1.53 meters;

The length of phosphorus removal box 6 is 990mm, and width is 990mm, and height is 860mm;

The size of the feed sleeve 9 is 700×400mm to 525×235mm, and the length is 270mm;

The size of the discharge sleeve 10 is changed from 700×400mm to 525×235mm, and the length is 195mm;

The overall width of phosphorus removal ring 11 is 897mm, and height is 750mm, and the diameter of annular water pipe 13 is 89mm, and the length of pull rod 12 is 96mm, and the diameter of nozzle 14 is 2.5mm, and the diameter of water inlet pipe 15 is 76mm, and length is 1000mm;

The cone angle of the high-pressure water sprayed by the nozzle 14 is 30 degrees, and the angle between the nozzle 14 and the vertical plane of the dephosphorization ring 11 toward the incoming material direction is 8 degrees;

The slideways 17 on both sides of the base 2 have a width of 50mm and a height of 24mm;

The length of splint 18 is 400mm, the width is 38mm, and the thickness is 20mm.

Claims (5)

1. A phosphorus removal device for removing scale on the surface of large angle steel rolled pieces, characterized in that it includes a base (2), an electro-hydraulic push rod (4), an electro-hydraulic push rod seat (5), a phosphorus removal box (6 ), phosphorus removal ring (11), high-pressure water pipe (16), base (2) is fixed below the roller table (20), the length direction of the base (2) is perpendicular to the running direction of the roller table (20), and the electro-hydraulic push The rod (4) is located on the base (2), and the electro-hydraulic push rod (4) is fixed on one end of the base (2) through the electro-hydraulic push rod seat (5). The phosphorus removal box (6) is a rectangular box, and the phosphorus removal box (6) Placed on the plane of the base (2), the front end of the electro-hydraulic push rod (4) is connected to the side of the phosphorus removal box (6), and the bottom surface of the phosphorus removal box (6) is connected to the upper plane of the base (2) For sliding fit, the front and rear of the rectangular box body of the dephosphorization box (6) are respectively provided with a material inlet (7) and a material outlet (8), and the material inlet (7) and the material outlet (9) are connected with the roller table. The running direction of the rolled piece (19) of (20) is opposite, and the phosphorus removal ring (11) is installed in the phosphorus removal box (6). 15) composition, the plane of the annular water pipe (13) is perpendicular to the running direction of the rolled piece (19), the upper pipe of the annular water pipe (13) is connected with the inner wall of the upper top surface of the phosphorus removal box (6) through the tie rod (12), and the annular The upper pipe and the lower pipe of the water pipe (13) are respectively equipped with a plurality of vertically downward and upward parallel nozzles (14), and there is a gap for the rolling piece (19) to pass between the nozzles (14) of the upper pipe and the lower pipe , one end of the water inlet pipe (15) is connected to the top of the annular water pipe (13), and the other end of the water inlet pipe (15) stretches out the phosphorus removal box (6) and is connected with the high pressure water pipe (16). 2. The dephosphorization device for removing scale on the surface of large angle steel rolled pieces according to claim 1, characterized in that: the base (2) is a reinforced concrete cuboid structure, and there is an installation foundation (1) below the base (2) ), the base (2) is connected to the foundation (1) through anchor bolts (3). 3. The dephosphorization device for removing scale on the surface of large angle steel rolled pieces according to claim 1, characterized in that: the front and rear feed ports (7) and discharge ports ( 8) are respectively installed with a feed sleeve (9) and a discharge sleeve (10). The feed sleeve (9) and the discharge sleeve (10) are square cone-shaped respectively. The incoming material direction of the rolling piece (19) is opposite, the central axes of the feeding sleeve (9) and the discharging sleeve (10) are in a straight line, and the front end of the rolling piece (10) is opposite to the feeding sleeve (9) . 4. The phosphorus removal device for removing scale on the surface of large angle steel rolled pieces according to claim 1, characterized in that: the upper pipe and the lower pipe of the annular water pipe (13) of the phosphorus removal ring (11) are parallel The lengths of the nozzles (14) are not equal, the lengths of the nozzles (14) at both ends of the upper pipe are greater than the length of the middle nozzle (14), the lengths of the nozzles (14) at both ends gradually decrease towards the middle, and the nozzles (14) at both ends of the lower pipe ) is less than the length of the nozzles (14) between them, the lengths of the nozzles (14) at both ends gradually increase towards the middle, and the front ends of the multiple nozzles (14) of the upper tube and the lower tube respectively form opposite triangles, and the apexes of the triangles face Above, the gap between the triangles formed by the multiple nozzles (14) of the upper pipe and the lower pipe is the channel through which the large angle steel rolling piece (19) passes. The spraying directions of the multiple nozzles (14) are vertical, and the nozzles (14) spray The high-pressure water is conical, and the cone angle is 25-35 degrees. The vertical plane of the nozzle (14) and the phosphorus removal ring (11) has an included angle of 5-10 degrees towards the incoming material direction. 5. The dephosphorization device for removing scale on the surface of large angle steel rolled pieces according to claim 1, characterized in that: the two sides of the upper plane of the base (2) respectively have outwardly protruding slideways (17), The front and rear lower ends of the dephosphorization box (6) are respectively extended downwards to the outside of the slideways (17) on both sides of the base (2), and the front and rear lower ends of the phosphorus removal box (6) are respectively connected with splints (18) , the splint (18) is clamped under the slideways (17) on both sides of the base (2), there is a gap between the splint (18) and the bottom surface of the slideways (17) on both sides of the base (2), and the splint (18) is composed of bolts and The front and rear lower end faces of the dephosphorization box (6) are fixedly connected.

Images