CN115213362B - Cooling device for continuous casting billet crystallizer - Google Patents
Cooling device for continuous casting billet crystallizer Download PDFInfo
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- CN115213362B CN115213362B CN202210969881.2A CN202210969881A CN115213362B CN 115213362 B CN115213362 B CN 115213362B CN 202210969881 A CN202210969881 A CN 202210969881A CN 115213362 B CN115213362 B CN 115213362B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
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Abstract
The invention relates to the field of crystallizers, in particular to a cooling device for a continuous casting billet crystallizer. The technical problem that the angle and the range of the gas sprayed by the pipeline cannot be changed along with the adjustment of the width and the taper of the cooling device is solved. The invention provides a cooling device for a continuous casting billet crystallizer, which comprises an air inducing component, an air blocking component and the like; two air plugging components are connected to the air inducing component. According to the invention, gas is blown to the outer surface of the wide surface of the blank body through the first air outlet cylinder, airflow at two sides of the first air outlet cylinder is introduced into the second air pipe through the air inducing assembly, the second air outlet cylinder is blown to the outer surface of the narrow surface of the blank body, meanwhile, the air inducing assembly prevents air leakage through the two air blocking assemblies respectively, the width and the taper of the narrow panel need to be adjusted in time, a gas protection layer blown to the outer surface of the wide surface and the narrow surface of the blank body can be ensured to have a proper protection structure, and a good water vapor isolation effect is ensured.
Description
Technical Field
The invention relates to the field of crystallizers, in particular to a cooling device for a continuous casting crystallizer.
Background
The crystallizer is a core component of a continuous casting machine, the crystallizer cools liquid molten steel into a solid steel billet component, the crystallizer consists of a metal shell in which cooling water is not continuously fed, the shell which continuously conveys the cooling water cools the molten steel which is contacted with the crystallizer into a solid state, a spray cooling system is also arranged below the crystallizer, in order to prevent water vapor sprayed by the spray cooling system from covering the surface of a cooling device of the crystallizer to rust the surface, a continuous casting crystallizer is arranged in patent CN209035417U, a circle of gas is sprayed into the cooling device of the crystallizer, the outer surface of the molten steel which is cooled into the solid state is covered with a gas protective layer, and the water vapor sprayed by the spray cooling system is isolated by the gas protective layer.
The method for protecting the cooling device by using the gas protection layer to isolate water vapor is suitable for crystallizers with various structures, but when the solidification width of molten steel needs to be changed, the width and the taper of the cooling device of the crystallizer need to be correspondingly changed, because a pipeline for injecting gas is fixed, the angle and the range of gas injected by the pipeline are changed in the process of changing the width and the taper of the cooling device of the crystallizer, the structure of the gas protection layer covering the outer surface of the molten steel is damaged, the isolation effect of the water vapor is influenced, and when the gas is injected in a cooling area of the cooling device, the cooling uniformity of the cooling device on the molten steel is influenced, so that steel billets are cracked.
Disclosure of Invention
The invention provides a cooling device for a continuous casting crystallizer, aiming at overcoming the defects that the angle and the range of gas sprayed by a pipeline cannot be changed along with the adjustment of the width and the taper of a cooling device, the isolation effect on water vapor is influenced, and the cooling effect of the cooling device on molten steel is influenced if the gas is sprayed in a cooling area of the cooling device.
The technical implementation scheme of the invention is as follows: a cooling device for a continuous casting billet crystallizer comprises a crystallizer body, a narrow panel, a wide panel, a first air pipe, an air collecting pipe and a second air pipe; the inner left side and the inner right side of the crystallizer body are respectively provided with a narrow panel through a conical surface regulating mechanism; a first water cooling groove is respectively arranged inside the two narrow panels; the upper sides of the two first water-cooling tanks are respectively communicated with a first liquid outlet pipe; the lower sides of the two first water cooling tanks are respectively communicated with a first liquid inlet pipe; the inner front side and the inner rear side of the crystallizer body are respectively provided with a wide panel; a second water cooling tank is arranged in each of the two wide panels; the upper side of the second water-cooling tank is communicated with a second liquid outlet pipe; a second liquid inlet pipe is communicated with the lower side of the second water-cooling tank; the lower sides of the two wide panels are respectively provided with a transverse slot in the left-right direction, and the transverse slots of the wide panels are respectively fixedly connected with a first air pipe; airflow enters from air inlet pipes at two ends of the first air pipe and is blown and hit on the blank body through a plurality of first air outlet cylinders on the first air pipe, the lower sides of the two wide panels are respectively connected with two air inducing assemblies for collecting the airflow blown out from two sides of the first air pipe, the airflow is introduced into an air collecting pipe between the front air inducing assembly and the rear air inducing assembly, and meanwhile, the air inducing assemblies respectively prevent air leakage through the two air blocking assemblies; two adjacent air inducing assemblies in the front and the back are connected with a narrow panel together; the lower sides of the two narrow panels are respectively provided with a longitudinal slot in the front-back direction; the longitudinal grooves of the two narrow panels are respectively and rotatably connected with a second air pipe through rotating shafts; the air flow in the air collecting pipe enters the second air pipe through the air guiding pipe and is blown and beaten on the blank body through a plurality of second air outlet cylinders on the second air pipe; the front side and the rear side of each narrow panel are respectively connected with an adjusting component for adjusting the angle of the second air duct;
the air inducing assembly comprises a second sliding block, a first rotating shaft, a third sliding block, an air guide cylinder and an air outlet pipe; the lower side of the wide panel is connected with a second sliding block in a sliding way; the outer surface of the second sliding block is rotatably connected with a first rotating shaft; the outer end of the first rotating shaft is fixedly connected with a third sliding block; the third sliding block is connected with the narrow panel in a sliding manner; an air duct is fixedly connected inside the second sliding block; the rear side of the air duct is tightly attached to the outer surface of a first air duct; the left end and the right end of the air duct are connected with an air plugging component; one side of the air duct far away from the wide panel is communicated with an air outlet pipe; the air outlet pipe is communicated with an air collecting pipe.
Furthermore, the conical surface regulating mechanism comprises an electric telescopic arm, a mounting plate and a first sliding block; two electric telescopic arms which are distributed up and down are fixedly connected to the inner left side and the inner right side of the crystallizer body; the telescopic rods of the two electric telescopic arms positioned at the lower side are respectively and rotatably connected with a mounting plate through a rotating shaft; the upper parts of the two mounting plates, which are opposite to each other, are respectively connected with a first sliding block in a sliding manner; the telescopic rods of the two electric telescopic arms positioned at the upper side are respectively connected with a first sliding block in a rotating way through a rotating shaft; the opposite sides of the two mounting plates are fixedly connected with a narrow panel.
Further, a plurality of through groove structures which are stacked in an S-shaped structure from bottom to top are arranged in the first water cooling grooves of the two narrow panels.
Furthermore, a plurality of through groove structures which are stacked in an S-shaped structure from bottom to top are arranged in the second water cooling grooves of the two wide panels.
Furthermore, the two air collecting pipes are both arranged into structures which are close from two ends to the middle.
Furthermore, the air outlet pipe is of a trapezoidal structure which shrinks towards one side close to the air collecting pipe.
Furthermore, the wind blocking assembly comprises a wind shield, a spring element, a plug plate and a wedge-shaped block; a wind shield is fixedly connected to the inner surface of the air duct; a spring part is fixedly connected inside the wind shield; the outer end of the spring part is fixedly connected with a plug plate; the left side and the right side of the plug plate are respectively fixedly connected with a wedge-shaped block.
Furthermore, the middle parts of the wind shields are all provided with sunken structures which are matched with the cross section of the first air outlet cylinder in shape.
Furthermore, the adjusting component comprises a pull rod, a fourth sliding block, an electric push rod and a second rotating shaft; one side of the narrow panel close to the air collecting pipe is fixedly connected with an electric push rod; a pull rod is fixedly connected to one side, close to the air collecting pipe, of the second air pipe; the outer end of the pull rod is connected with a fourth sliding block in a sliding manner; the telescopic end of the electric push rod is fixedly connected with a second rotating shaft; the second rotating shaft is rotatably connected with the fourth sliding block.
The invention has the following advantages: in the process of cooling the green body, after the green body passes through a cooling area, airflow enters from air inlet pipes at two ends of a first air pipe and blows and hits on the outer surface of a wide surface of the green body through a plurality of first air outlet cylinders on the first air pipe, the lower sides of two wide panels are respectively connected with two air inducing assemblies for collecting the airflow blown out from two sides of the first air pipe, the airflow is introduced into an air collecting pipe between the front air inducing assembly and the rear air inducing assembly, meanwhile, the air inducing assemblies respectively prevent air leakage through two air blocking assemblies, the airflow in the air collecting pipe enters a second air pipe through the air inducing pipes and blows and hits on the outer surface of a narrow surface of the green body through a plurality of second air outlet cylinders on the second air pipe, and a single air channel is converted into a surrounding air channel through shunting and guiding of the airflow, so that the number of fans in a high-temperature environment is reduced, and the maintenance cost of the equipment is reduced;
the front side and the rear side of the two narrow panels are respectively connected with an adjusting component for adjusting the angle of the second air pipe, the width and the taper of the narrow panels are required to be adjusted in time, a gas protective layer blown on the outer surfaces of the wide surface and the narrow surface of the blank can be guaranteed to have a proper protection structure, the angle and the range of the sprayed gas of the pipeline can be automatically changed along with the adjustment of the width and the taper of the cooling device, the good isolation effect on water vapor is guaranteed, the cooling area of the cooling device is prevented from being sprayed with the gas, and the cooling device is guaranteed to have a good cooling effect on the molten steel.
Drawings
Fig. 1 is a schematic perspective view of a cooling device for a strand mould according to the present application;
fig. 2 is a sectional view of the mold body of the present application;
FIG. 3 is a schematic perspective view of the conical surface conditioning mechanism of the present application;
FIG. 4 is a perspective view of a narrow panel of the present application;
fig. 5 is a first partial perspective view of the cooling device for a strand mould according to the present application;
FIG. 6 is an enlarged view of the area C of the cooling device for a continuous casting slab crystallizer according to the present application;
FIG. 7 is a cross-sectional view of a broad panel of the present application;
fig. 8 is a second partial perspective view of the cooling device for a strand mould according to the present application;
FIG. 9 is a perspective view of an air induction assembly of the present application;
FIG. 10 is a cross-sectional view of the air scoop of the present application;
FIG. 11 is a cross-sectional view of the windshield of the present application.
In the above drawings: 1-crystallizer body, 21-electric telescopic arm, 22-mounting plate, 23-first slide block, 3-narrow panel, 31-first water cooling tank, 32-first liquid outlet pipe, 33-first liquid inlet pipe, 4-wide panel, 41-second water cooling tank, 42-second liquid outlet pipe, 43-second liquid inlet pipe, 5-first air pipe, 51-air inlet pipe, 52-first air outlet cylinder, 6-air collecting pipe, 7-second air pipe, 71-air guiding pipe, 72-second air outlet cylinder, 101-second slide block, 102-first rotating shaft, 103-third slide block, 104-air guiding cylinder, 105-air outlet pipe, 201-air baffle, 202-spring part, 203-plug plate, 204-wedge block, 301-pull rod, 302-fourth slide block, 303-electric push rod, 304-second rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
A cooling device for a continuous casting billet crystallizer is shown in figures 1-11 and comprises an air inducing assembly, an air blocking assembly, an adjusting assembly, a crystallizer body 1, a conical surface regulating mechanism, a narrow panel 3, a wide panel 4, a first air pipe 5, an air collecting pipe 6 and a second air pipe 7; the inner left side and the inner right side of the crystallizer body 1 are respectively provided with a conical surface regulating mechanism; the opposite sides of the two conical surface regulating mechanisms are respectively provided with a narrow panel 3; a first water cooling groove 31 is respectively arranged inside the two narrow panels 3; the upper sides of the first water cooling tanks 31 of the two narrow panels 3 are respectively communicated with a first liquid outlet pipe 32; the lower sides of the first water cooling tanks 31 of the two narrow panels 3 are respectively communicated with a first liquid inlet pipe 33; the inner front side and the inner rear side of the crystallizer body 1 are respectively provided with a wide panel 4; a second water cooling groove 41 is respectively arranged inside the two wide panels 4; the upper sides of the two second water-cooling tanks 41 are respectively communicated with a second liquid outlet pipe 42; the lower sides of the two second water cooling tanks 41 are respectively communicated with a second liquid inlet pipe 43; the lower sides of the two wide panels 4 are respectively provided with a transverse slot in the left-right direction, and the transverse slots of the wide panels 4 are respectively fixedly connected with a first air pipe 5; the left end and the right end of each first air pipe 5 are respectively communicated with an air inlet pipe 51; the opposite sides of the middle parts of the two first air pipes 5 are respectively communicated with a plurality of first air outlet cylinders 52; the left part of the lower side and the right part of the lower side of each wide panel 4 are respectively connected with an induced draft assembly; the two air inducing assemblies on each wide panel 4 are connected with a first air pipe 5; the two adjacent air inducing assemblies at the front and the back are connected with a narrow panel 3 together; the left side and the right side of each induced draft assembly are respectively connected with one air plugging assembly; an air collecting pipe 6 is connected between the two adjacent air inducing assemblies at the front and the back; the two air collecting pipes 6 are both of a structure gathering from two ends to the middle; the lower sides of the two narrow panels 3 are respectively provided with a longitudinal slot in the front-back direction; a second air duct 7 is respectively and rotatably connected in the longitudinal grooves of the two narrow panels 3 through rotating shafts; a plurality of induced air pipes 71 are communicated between each second air pipe 7 and the adjacent air collecting pipe 6; the opposite sides of the two second air ducts 7 are respectively communicated with a plurality of second air outlet cylinders 72; the front side and the rear side of each narrow panel 3 are respectively connected with an adjusting component; two adjacent adjusting components in front and back are connected with a second air pipe 7.
As shown in fig. 3, the conical surface adjusting mechanism comprises an electric telescopic arm 21, a mounting plate 22 and a first sliding block 23; the inner left side and the inner right side of the crystallizer body 1 are respectively connected with two electric telescopic arms 21 which are distributed in the vertical direction through bolts; the telescopic rods of the two electric telescopic arms 21 positioned at the lower side are respectively connected with a mounting plate 22 in a rotating way through a rotating shaft; the upper parts of the two mounting plates 22 opposite to each other are respectively connected with a first sliding block 23 in a sliding way; the telescopic rods of the two electric telescopic arms 21 positioned at the upper side are respectively connected with a first sliding block 23 in a rotating way through a rotating shaft; the opposite sides of the two mounting plates 22 are fixedly connected with a narrow panel 3 respectively.
As shown in fig. 2 and 4, a plurality of through groove structures stacked in an S-shaped structure from bottom to top are arranged in the first water cooling grooves 31 of the two narrow panels 3; a plurality of through groove structures which are stacked in an S-shaped structure from bottom to top are arranged in the second water cooling grooves 41 of the two wide panels 4.
As shown in fig. 7 and 8, the induced draft assembly includes a second slider 101, a first rotating shaft 102, a third slider 103, an air duct 104 and an air outlet pipe 105; a second sliding block 101 is connected to the lower side of the wide panel 4 in a sliding manner; a first rotating shaft 102 is rotatably connected to the outer surface of the second slider 101; the outer end of the first rotating shaft 102 is fixedly connected with a third sliding block 103; the third slider 103 is slidably connected with the narrow panel 3; an air duct 104 is fixedly connected inside the second slider 101; the rear side of the air duct 104 is tightly attached to the outer surface of a first air duct 5; the left end and the right end of the air duct 104 are connected with an air plugging component; an air outlet pipe 105 is communicated with one side of the air duct 104 far away from the wide panel 4; the air outlet pipe 105 is communicated with an air collecting pipe 6; the air outlet pipes 105 are all arranged into a trapezoidal structure which is contracted towards one side close to the air collecting pipe 6.
As shown in fig. 8 and 9, the wind blocking assembly comprises a wind blocking plate 201, a spring member 202, a plug plate 203 and a wedge block 204; the inner surface of the air duct 104 is bolted with a wind shield 201; a spring piece 202 is fixedly connected inside the wind shield 201; the outer end of the spring part 202 is fixedly connected with a plug plate 203; a wedge block 204 is welded on each of the left side and the right side of the plug plate 203; the middle part of the wind shield 201 is provided with a concave structure which is adapted to the cross section shape of the first air outlet cylinder 52.
As shown in fig. 10 and 11, the adjusting assembly includes a pull rod 301, a fourth slider 302, an electric push rod 303 and a second rotating shaft 304; one side of the narrow panel 3 close to the air collecting pipe 6 is connected with an electric push rod 303 through a bolt; a pull rod 301 is welded on one side of the second air pipe 7 close to the air collecting pipe 6; the outer end of the pull rod 301 is connected with a fourth slide block 302 in a sliding manner; the telescopic end of the electric push rod 303 is fixedly connected with a second rotating shaft 304; the second shaft 304 is rotatably connected to the fourth slider 302.
The first liquid inlet pipe 33 and the second liquid inlet pipe 43 are communicated with the output end of external cooling liquid circulation equipment, the first liquid outlet pipe 32 and the second liquid outlet pipe 42 are communicated with the input end of the external cooling liquid circulation equipment, so that cooling liquid respectively flows through the first water cooling grooves 31 and the second water cooling grooves 41 from bottom to top, a cooling area is formed by the second water cooling grooves 41 of the two wide panels 4 and the first water cooling grooves 31 of the two narrow panels 3, and when molten steel enters the cooling area, the outer surface of the molten steel is rapidly cooled to form a blank body with a steel shell, and the blank body moves downwards.
The external compressed air conveying equipment of the air inlet pipe 51 is externally connected with compressed air conveying equipment, a blank body is moved downwards during the process of passing through a first air pipe 5 and a second air pipe 7, the external compressed air conveying equipment blows air flow into the first air pipe 5 through the air inlet pipe 51, the air flow passes through a first air outlet cylinder 52 between two narrow panels 3 on the first air pipe 5 and is blown and hit on the outer surface of the wide surface of the blank body, meanwhile, air guide cylinders 104 in air guide assemblies on two sides respectively collect the air flow blown out from the first air outlet cylinders 52 on two sides of the first air pipe 5, the air flow in an air guide cylinder 104 is introduced into an air collecting cylinder 6 through an air outlet pipe 105, the air flow in the air collecting cylinder 6 enters a second air pipe 7 through an air guide pipe 71 and is blown and hit on the outer surface of the narrow surface of the blank body through second air outlet cylinders 72 on the second air pipe 7, the air flow blown out from the first air outlet cylinder 52 and the second air outlet cylinder 72 is realized, a closed air protection layer structure is formed on the outer surface of the blank body, water vapor lifted from the bottom is isolated, good isolation effect of water vapor is ensured, the good cooling area is avoided, the good cooling effect of a high-temperature air flow guiding fan is ensured, and the high-temperature air flow guiding fan is reduced.
When the air duct 104 collects the air flow blown out from the first air outlet duct 52 of the first air duct 5, the plug plates 203 in the air blocking assemblies on the two sides of the air duct 104 respectively plug the air outlets of the first air outlet ducts 52 aligned with the two sides of the air duct 104, and because of the concave structure of the wind shield 201 adapted to the cross-sectional shape of the first air outlet duct 52, the concave structure of the wind shield 201 is tightly attached to the outer surface of the first air outlet duct 52, so that the two ends of the air duct 104 are both plugged by the air blocking assemblies, and the condition that the air flow entering the air duct 104 leaks out to cause insufficient conducted wind power is prevented.
When the width and the tapering of two narrow panels 3 need to be changed, only need adjust two conical surface regulation and control mechanism's electronic flexible arm 21, if make two narrow panels 3 be the structure of falling eight characters as required, and when increasing the width between two narrow panels 3, four electronic flexible arms 21 drive mounting panel 22 and narrow panel 3 shrink to the direction of keeping away from each other simultaneously, the electronic flexible arm 21 shrink distance that is located the downside is less than the electronic flexible arm 21 shrink distance that is located the upside, the electronic flexible arm 21 that is located the upside at this moment moves along mounting panel 22 through the first slider 23 of pivot pulling, and it is rotatory around the pivot of the electronic flexible arm 21 of downside to drive mounting panel 22 and narrow panel 3, make two narrow panels 3 be the structure of falling eight characters, increase the tapering of two narrow panels 3, and increase the width between two narrow panels 3.
In the process of increasing the taper of the two narrow panels 3 and increasing the width between the two narrow panels 3, the moving narrow panels 3 drive the second slider 101 and the whole air inducing assembly to move along the wide panel 4 towards the direction away from the blank, meanwhile, the third slider 103 changes the taper along with the turning of the narrow panels 3 and moves along the narrow panels 3, and the third slider 103 drives the first rotating shaft 102 to rotate, so that the second slider 101 drives the air duct 104 to move along the surface of the first air duct 5, the air duct 104 is aligned with the rest of the first air outlet ducts 52 of the first air duct 5, it is ensured that sufficient air flow is blown into the air duct 104, the first air outlet ducts 52 in the first air duct 5 away from the air duct 104 blow air flow on the outer surface of the wide surface of the blank, and it is ensured that the air flow with sufficient width is blown on the outer surface of the wide surface of the blank.
During the period that the second slider 101 drives the air duct 104 to move along the surface of the first air duct 5, the air duct 104 drives the air blocking assembly to move synchronously, when the air blocking assembly moves away from the first air outlet duct 52, the wedge 204 is blocked by the first air outlet duct 52 to push the plug plate 203, the plug plate 203 compresses the spring element 202 in the direction away from the first air outlet duct 52, after the wedge 204 leaves the first air outlet duct 52, the compressed spring element 202 pops up the plug plate 203 and the wedge 204, when the air blocking assembly passes through the next first air outlet duct 52, the wedge 204 is blocked by the first air outlet duct 52 to drive the plug plate 203 to push the spring element 202, and then compresses the spring element in the direction away from the first air outlet duct 52 again, when the plug plate 203 aligns with the air outlet of the first air outlet duct 52, the compressed spring element 202 pops up the plug plate 203 and the wedge 204, so that the plug plate 203 clings to the air outlet of the first air outlet duct 52, and carries out the air outlet of the first air outlet duct 52, thereby realizing the automatic switching of the blocking positions in the air duct 104 in the process of moving process, and achieving the effect of fast adjustment.
When the taper of the narrow panel 3 is changed, the electric push rod 303 drives the pull rod 301 and the second air duct 7 to rotate around the rotating shaft through the second rotating shaft 304 and the fourth sliding block 302, so that the second air duct 7 drives the air guiding duct 71 to adjust the angle, the air flow blown out by the air guiding duct 71 can be blown and hit on the outer surface of the narrow surface of the blank at the same angle, and the angle and the range of the air sprayed by the pipeline can be automatically changed along with the adjustment of the width and the taper of the cooling device.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. A cooling device for a continuous casting billet crystallizer comprises a crystallizer body (1), a narrow panel (3) and a wide panel (4); the inner left side and the inner right side of the crystallizer body (1) are respectively provided with a narrow panel (3) through a conical surface regulating mechanism; a first water cooling groove (31) is respectively arranged inside the two narrow panels (3); the upper sides of the two first water cooling tanks (31) are respectively communicated with a first liquid outlet pipe (32); the lower sides of the two first water cooling tanks (31) are respectively communicated with a first liquid inlet pipe (33); the inner front side and the inner rear side of the crystallizer body (1) are respectively provided with a wide panel (4); a second water cooling groove (41) is respectively arranged in the wide panel (4); a second liquid outlet pipe (42) is communicated with the upper side of the second water cooling tank (41); a second liquid inlet pipe (43) is communicated with the lower side of the second water cooling tank (41);
the method is characterized in that: the device also comprises a first air pipe (5), an air collecting pipe (6) and a second air pipe (7); the lower sides of the two wide panels (4) are respectively provided with a transverse slot in the left-right direction, and the transverse slots of the wide panels (4) are respectively fixedly connected with a first air pipe (5); airflow enters from air inlet pipes (51) at two ends of a first air pipe (5) and is blown and hit on the blank body through a plurality of first air outlet cylinders (52) on the first air pipe (5), the lower sides of two wide panels (4) are respectively connected with two air inducing assemblies for collecting the airflow blown out from two sides of the first air pipe (5), the airflow is introduced into an air collecting pipe (6) between the front air inducing assembly and the rear air inducing assembly, and meanwhile, the air inducing assemblies respectively prevent air leakage through two air blocking assemblies; two adjacent air inducing assemblies in the front and the back are connected with a narrow panel (3) together; the lower sides of the two narrow panels (3) are respectively provided with a longitudinal slot in the front-back direction; the longitudinal grooves of the two narrow panels (3) are respectively and rotatably connected with a second air duct (7) through rotating shafts; the airflow in the air collecting pipe (6) enters the second air pipe (7) through the air guiding pipe (71) and is blown and beaten on the green body through a plurality of second air outlet cylinders (72) on the second air pipe (7); the front side and the rear side of each narrow panel (3) are respectively connected with an adjusting component for adjusting the angle of the second air pipe (7);
the air inducing component comprises a second sliding block (101), a first rotating shaft (102), a third sliding block (103), an air duct (104) and an air outlet pipe (105); the lower side of the wide panel (4) is connected with a second sliding block (101) in a sliding way; the outer surface of the second sliding block (101) is rotatably connected with a first rotating shaft (102); the outer end of the first rotating shaft (102) is fixedly connected with a third sliding block (103); the third sliding block (103) is connected with the narrow panel (3) in a sliding way; an air duct (104) is fixedly connected inside the second sliding block (101); the rear side of the air duct (104) is tightly attached to the outer surface of a first air duct (5); the left end and the right end of the air duct (104) are connected with an air plugging component; an air outlet pipe (105) is communicated with one side of the air duct (104) far away from the wide panel (4); the air outlet pipe (105) is communicated with an air collecting pipe (6); a plurality of through groove structures which are stacked in an S-shaped structure from bottom to top are arranged in the first water cooling grooves (31) of the two narrow panels (3); a plurality of through groove structures which are stacked in an S-shaped structure from bottom to top are arranged in the second water cooling grooves (41) of the two wide panels (4).
2. A cooling device for a continuous casting slab mold according to claim 1, wherein: the conical surface regulating mechanism comprises an electric telescopic arm (21), a mounting plate (22) and a first sliding block (23); two electric telescopic arms (21) which are distributed up and down are fixedly connected to the inner left side and the inner right side of the crystallizer body (1); the telescopic rods of the two electric telescopic arms (21) positioned at the lower side are respectively connected with a mounting plate (22) in a rotating way through a rotating shaft; the upper parts of the two mounting plates (22) opposite to each other are respectively connected with a first sliding block (23) in a sliding way; the telescopic rods of the two electric telescopic arms (21) positioned at the upper side are respectively connected with a first sliding block (23) in a rotating way through a rotating shaft; the opposite sides of the two mounting plates (22) are fixedly connected with a narrow panel (3) respectively.
3. A cooling device for a strand mould according to claim 1, characterized in that: the two air collecting pipes (6) are both arranged into structures which are close to each other from two ends to the middle.
4. A cooling device for a strand mould according to claim 1, characterized in that: the air outlet pipe (105) is arranged to be a trapezoidal structure which shrinks towards one side close to the air collecting pipe (6).
5. A cooling device for a strand mould according to claim 1, characterized in that: the wind blocking assembly comprises a wind blocking plate (201), a spring piece (202), a plug plate (203) and a wedge block (204); a wind shield (201) is fixedly connected to the inner surface of the air duct (104); a spring piece (202) is fixedly connected inside the wind shield (201); the outer end of the spring element (202) is fixedly connected with a plug plate (203); the left side and the right side of the plug plate (203) are respectively fixedly connected with a wedge block (204).
6. A cooling device for a continuous casting slab mold as defined in claim 5, wherein: the middle parts of the wind shields (201) are all provided with sunken structures which are matched with the cross section of the first air outlet cylinder (52).
7. A cooling device for a continuous casting slab mold according to claim 1, wherein: the adjusting component comprises a pull rod (301), a fourth sliding block (302), an electric push rod (303) and a second rotating shaft (304); one side of the narrow panel (3) close to the air collecting pipe (6) is fixedly connected with an electric push rod (303); a pull rod (301) is fixedly connected to one side, close to the air collecting pipe (6), of the second air pipe (7); the outer end of the pull rod (301) is connected with a fourth slide block (302) in a sliding way; the telescopic end of the electric push rod (303) is fixedly connected with a second rotating shaft (304); the second rotating shaft (304) is rotatably connected with the fourth sliding block (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210969881.2A CN115213362B (en) | 2022-08-12 | 2022-08-12 | Cooling device for continuous casting billet crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210969881.2A CN115213362B (en) | 2022-08-12 | 2022-08-12 | Cooling device for continuous casting billet crystallizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115213362A CN115213362A (en) | 2022-10-21 |
| CN115213362B true CN115213362B (en) | 2022-12-20 |
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| CN202210969881.2A Active CN115213362B (en) | 2022-08-12 | 2022-08-12 | Cooling device for continuous casting billet crystallizer |
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Citations (6)
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| CN1621179A (en) * | 2004-12-16 | 2005-06-01 | 上海交通大学 | Aluminium alloy gas film continuous casting crystallizer |
| CN101332493A (en) * | 2008-07-31 | 2008-12-31 | 东北大学 | Gas film quick continuous casting device and method in magnetostatic field |
| CN101334672A (en) * | 2007-06-28 | 2008-12-31 | 上海宝信软件股份有限公司 | Crystallizer on-line width modulation system and its method |
| CN102266919A (en) * | 2011-08-03 | 2011-12-07 | 田志恒 | System and method for on-line width thermal adjustment of crystallizer |
| CN109136582A (en) * | 2018-10-19 | 2019-01-04 | 东北大学 | A kind of device and method improving Electro Slag Remelting Steel Solidification Quality reduction element segregation |
| CN109570463A (en) * | 2018-12-29 | 2019-04-05 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of continuous casting steel billet two cooling method cooling using carbon dioxide-water spray |
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2022
- 2022-08-12 CN CN202210969881.2A patent/CN115213362B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621179A (en) * | 2004-12-16 | 2005-06-01 | 上海交通大学 | Aluminium alloy gas film continuous casting crystallizer |
| CN101334672A (en) * | 2007-06-28 | 2008-12-31 | 上海宝信软件股份有限公司 | Crystallizer on-line width modulation system and its method |
| CN101332493A (en) * | 2008-07-31 | 2008-12-31 | 东北大学 | Gas film quick continuous casting device and method in magnetostatic field |
| CN102266919A (en) * | 2011-08-03 | 2011-12-07 | 田志恒 | System and method for on-line width thermal adjustment of crystallizer |
| CN109136582A (en) * | 2018-10-19 | 2019-01-04 | 东北大学 | A kind of device and method improving Electro Slag Remelting Steel Solidification Quality reduction element segregation |
| CN109570463A (en) * | 2018-12-29 | 2019-04-05 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of continuous casting steel billet two cooling method cooling using carbon dioxide-water spray |
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| CN115213362A (en) | 2022-10-21 |
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