CN202343894U

CN202343894U - Device for automatically feeding covering slag into large-section crystallizer

Info

Publication number: CN202343894U
Application number: CN2011204444215U
Authority: CN
Inventors: 田志恒; 谢俊华
Original assignee: Hengyang Ramon Science & Technology Co Ltd
Current assignee: Hengyang Ramon Science & Technology Co Ltd
Priority date: 2011-11-11
Filing date: 2011-11-11
Publication date: 2012-07-25
Anticipated expiration: 2021-11-11

Abstract

The utility model discloses a device for automatically feeding covering slag into a large-section crystallizer. The device is characterized by comprising a movable positioning trolley, a longitudinal movement device, a slag hopper, a spiral slag feeding pipe, a swinging device, drive motors and a controller, wherein the longitudinal movement device is arranged on the movable positioning trolley, and is driven by the drive motor of the longitudinal movement device to move back and forth in the direction vertical to the wide surface of the crystallizer; the slag hopper, the spiral slag feeding pipe and the swinging device are arranged on the longitudinal movement device and move back and forth in the direction vertical to the wide surface of the crystallizer along with the longitudinal movement device; and the swinging device is connected with the spiral slag feeding device and is driven by the drive motor of the swinging device to drive the spiral slag feeding pipe to swing back and forth along the wide surface of the crystallizer. The device for automatically feeding covering slag into the large-section crystallizer has a compact structure, is small in occupied space, and can feed slag uniformly, and avoid dust pollution.

Description

Large-section crystallizer covering slag automatically adding device

Technical field

The present invention relates to the continuous casting of molten steel field, relate to a kind of large-section crystallizer covering slag automatically adding device especially.

Background technology

Covering slag on the conticaster crystallizer molten steel can absorb field trash in the molten steel, prevent molten steel and air catalytic oxidation and lubricate to improving billet quality crucial meaning is arranged.

The conventional method that adds covering slag in the crystallizer is an addition method manually; It is bigger that manual addition method is influenced by human factor, and it is inhomogeneous to exist covering slag to add, and influences billet quality; Covering slag consumption simultaneously is big, and labor intensity of operating staff is big and receive deficiency such as dust pollution.Existing large-section crystallizer covering slag automatically adding device has following type: 1. spiral adds the shuttle-type large-section crystallizer automatic slag adding machine of slag pipe; It is oversize that its shortcoming is that spiral adds the slag pipe on the one hand; Spiral adds the slag pipe and waters on the steel platform at crystallizer and swing back and forth during work, occupies very large space, hinders operating personnel's operation; Be that this kind covering slag automatic transport mode makes covering slag fall into the crystallizer molten steel surface to be the circular arc type (see figure 3) on the other hand; Exist in the crystallizer covering slag carry less than the dead band, and this dead band area is too big, it is evenly undesirable to add slag.2. slag bucket and spiral add slag pipe large-section crystallizer automatic slag adding machine through the translating device repeated moving on travelling car; This automatic slag adding machine is oversize along the length that is parallel to crystallizer section width direction; And this length changes with the variation of the wide face length degree of crystallizer, seriously hinders the operation of operating personnel around at the mouth of a river.3. be blown into covering slag through Compressed Gas the automatic slag adding machine of crystallizer mouth; Its shortcoming is; Compressed Gas brings very heavy dust and often blows afloat the covering slag of crystallizer and molten steel when carrying covering slag, not only waste covering slag and also quicken the oxidation of molten steel in the crystallizer with the health that influences operating personnel.

Therefore, be necessary to provide that a kind of to add slag even, it is little to take up room, and is convenient to the large-section crystallizer covering slag automatically adding device that operating personnel's operation and non-pneumatic are carried covering slag.

Summary of the invention

The object of the present invention is to provide a kind of large-section crystallizer covering slag automatically adding device, can solve the deficiency of above-mentioned existing large-section crystallizer covering slag automatically adding device.

For realizing above-mentioned purpose, the invention provides a kind of large-section crystallizer covering slag automatically adding device, comprising: movably locate dolly, longitudinal-moving device, slag bucket, spiral and add slag pipe, pendulous device, drive motors and controller, wherein,

Longitudinal-moving device is installed in movably and locatees on the dolly, and is come and gone by wide of the drive motor drives longitudinal-moving device vertical mold of longitudinal-moving device and to move;

Slag bucket, spiral add slag pipe and pendulous device and are installed on the longitudinal-moving device and follow wide of longitudinal-moving device vertical mold and come and go and move;

Pendulous device and spiral add that the slag pipe links to each other and drive spiral by the drive motor drives pendulous device of pendulous device and add wide the reciprocating swing of slag pipe along crystallizer.

Further; Pendulous device comprises tilting block, turn-screw, feed screw nut and rocking arm; rocking arm connects feed screw nut and spiral adds the slag pipe, and the drive motor drives turn-screw of pendulous device and feed screw nut action and drive spiral add wide the reciprocating swing of slag pipe along crystallizer.

Further, spiral adds the wind thermal insulation board of setting up defences on the slag pipe.

Further, the drive motors of longitudinal-moving device and the drive motors of pendulous device and controller electrically connect, and the drive motors of controller control longitudinal-moving device and the drive motors of pendulous device are synchronized with the movement.

Further, the drive motors of controller control longitudinal-moving device drive spiral add the slag pipe follow wide of the longitudinal-moving device vertical mold near the drive motors of also controlling pendulous device away from the crystallizer mouth time drives that spiral adds that the slag pipe increases with pivot angle or the angle that reduces along wide swing synchronously of crystallizer.

The present invention has following technique effect: 1. wide of the longitudinal-moving device vertical mold come and go to be moved, and has reduced and has movably located the length of dolly along wide direction of crystallizer, and operating personnel have suitable space to operate around at the mouth of a river.2. spiral adds slag pipe swing time and moves along the direction of wide of vertical mold section synchronously, and it is even to realize adding slag on the one hand, can shorten the length that spiral adds the slag pipe on the other hand, occupies little space.

Except top described purpose, feature and advantage, the present invention also has other purpose, feature and advantage.To do further detailed explanation to the present invention with reference to figure below.

Description of drawings

Constitute this specification a part, be used for further understanding accompanying drawing of the present invention and show the preferred embodiments of the present invention, and be used for explaining principle of the present invention with specification.Among the figure:

Fig. 1 is the structural representation of the large-section crystallizer covering slag automatically adding device of the preferred embodiment of the present invention;

Fig. 2 is that large-section crystallizer covering slag automatically adding device shown in Figure 1 saves overlooking of slag bucket and partial schematic sectional view; And

Fig. 3 be the present invention and traditional large-section crystallizer covering slag automatically adding device add the slag area schematic.

The specific embodiment

Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.

Like Fig. 1-shown in Figure 3, large-section crystallizer covering slag automatically adding device provided by the present invention realizes adding slag mouth 104a spreading covering slag 103 equably automatically on molten steel 101 liquid levels of 102 li in crystallizer.Slab caster mould 102 automatic slag adding machines provided by the present invention comprise that movably locating dolly 106, longitudinal-moving device 107, slag bucket 112, spiral adds slag pipe 104, pendulous device 109, drive motors and controller 114.The movably location dolly 106 usefulness handrail 106b that are mounted with slag adding machine shift the crystallizer inner arc onto and water steel platform central authorities near the crystallizer place, movably locate the sub-106a of dolly roller and move and locate.Mainly by drive leading screw 107b, feed screw nut 107a and on the longitudinal-moving device 107 formed of connecting plate 107c be installed in and movably locate on the dolly 106, and drive wide of longitudinal-moving device 107 vertical molds 102 by the drive motors 108b of longitudinal-moving device 107 and come and go mobile.Slag bucket 112, spiral add slag pipe 104 and pendulous device 109 is installed on the mount pad 116 that is fixed together with connecting plate 107c, mount pad 116 and on all parts follow wide of longitudinal-moving device 107 vertical molds and come and go and move.Preferably, be provided with guide rail 107d in the both sides of longitudinal-moving device 107 turn-screw 107b, the slide block 107e that matches with guide rail 107d is fixed on the connecting plate 107c, and this is beneficial to guiding longitudinal-moving device 107 and moves along wide direction of vertical mold is round.

The below of slag bucket 112 has and gathers materials mouthfuls 111, adds slag pipe 104 with mouthfuls 111 spirals that are communicated with that gather materials and is provided with swivel bearing and adds the fulcrum that the slag pipe is swung as spiral, and the rotating shaft holder 113 that matches with swivel bearing is fixed on the installing plate 116.The termination that spiral adds slag pipe 104 is provided with and adds slag mouth 104a, add the slag mouth and add the slag pipe with spiral and be connected through hydraulic quick coupler, with the difference that satisfies the narrow edge lengths of crystallizer section with quick change different add slag mouth 104a.Spiral adds slag pipe tail end and is connected with screw drive motor 108c; Screw drive motor 108c drives spiral and adds screw rod 104b rotation in the slag pipe and drive from gather materials covering slag in mouthfuls 111 of slag bucket below and be transported to and add slag mouth 104a and fall into crystallizer 102, the conveying capacity that the rotary speed of adjusting screw(rod) drive motors 108c can be regulated covering slag.Add the structure that the slag mouth is the tubulose diagonal cut joint that adds that the slag pipe links to each other with spiral, be beneficial to covering slag 103 and be scattered in the crystallizer with the gravity effect.Alternatively; Add at spiral a windproof thermal insulation board 110 is set on the slag pipe, to prevent that the wind wind that especially steel platform miscellaneous equipment is watered in cooling from crystallizer inner arc direction from dispelling out the covering slag 103 that falls into crystallizer with the gravity effect and heat insulation the device of movably locating on the dolly 106.

Pendulous device 109 comprises tilting block 109a, turn-screw 109b, feed screw nut 109c and rocking arm 109d; rocking arm 109d connects feed screw nut 109c and spiral adds slag pipe 104, and the drive motors 108a of pendulous device drives turn-screw 109b and feed screw nut 109c action and drives spiral and adds wide the reciprocating swing of slag pipe 104 along crystallizer.

Because the section of slab caster mould is bigger, need to adopt two and add the left and right sides that slag pipe 104 is arranged in the mouth of a river 105, two add the slag pipe and are beneficial to away from the mouth of a river or near the mouth of a river simultaneously that to realize that both sides, the mouth of a river add slag even.

Control cabinet 114 is fixed on movably locatees on the dolly 106, and controller 115 is arranged in the control cabinet 114 with panel computer 116.Drive

motors

108a, 108b, 108c and controller 115 are electrically connected, and the drive motors 108b of controller 115 control longitudinal-moving devices and the drive motors 108a of pendulous device are synchronized with the movement.Further, the drive motors 108b of controller 115 control longitudinal-moving devices drive spiral add slag pipe 104 follow wide of longitudinal-moving device 107 vertical molds near the drive motors 108a that also controls pendulous device away from the crystallizer mouth time drives that spiral adds that slag pipe 104 increases with pivot angle or the angle that reduces along wide swing synchronously of crystallizer.Show like Fig. 3; 105 the side at the mouth of a river; A spiral is set adds the slag pipe, S1 is that spiral adds the movement locus of slag pipe 104 when pivot angle α maximum is reduced to zero degree, correspondingly; Spiral adds slag pipe 104 and also synchronously arrives C place through the B place away from the crystallizer mouth from wide of A vertical mold 102, and vice versa.S2 is the movement locus that traditional spiral adds the shuttle-type large-section crystallizer automatic slag adding machine of slag pipe.Obviously, the region area that the region area of movement locus S1 is compared movement locus S2 will be greatly that covering slag carries that the former is little more a lot of than the latter less than the area in dead band in the crystallizer, and the former needed spiral to add the length of slag pipe shorter much than the latter.Therefore, it is short that spiral of the present invention adds the length of slag pipe, takes up room little and to add slag more even.

Drive motors

108a, 108b, 108c are preferably servomotor, stepper motor or the adjustable drive motors of hydraulic motor uniform velocity.

Panel computer 116 is electrically connected with controller 115, is used to set, revises, the parameter and the operation conditions of demonstration and storage control.

In other embodiments, it is on-the-spot like the package operation platform that the slag bucket 112 that is used for holding covering slag and control cabinet 114 can be arranged in the continuous casting of movably locating beyond the dolly 106.

Large-section crystallizer covering slag automatically adding device compact conformation of the present invention, it is little to take up room, and it is even to add slag.When using this device to carry out work, by the rotating speed of controller, realize adding the uniform purpose of slag automatically according to the depletion rate adjusting drive motors that adds the corresponding molten steel surface covering slag in position, slag mouth place, need not too much manual work and participate in, reduce cost of labor; Automatically add slag and finish, just can push away away, accomplish whole slag processes that add, improve adding slag efficient and having reduced cost of conticaster crystallizer movably locating dolly by operating personnel.

The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a large-section crystallizer covering slag automatically adding device is characterized in that, comprising:

Movably locate dolly, longitudinal-moving device, slag bucket, spiral and add slag pipe, pendulous device, drive motors and controller, wherein,

Said longitudinal-moving device is installed in movably locatees on the dolly, and is come and gone by wide of the drive motor drives longitudinal-moving device vertical mold of longitudinal-moving device and to move;

Said slag bucket, spiral add slag pipe and pendulous device and are installed on the said longitudinal-moving device and follow wide of longitudinal-moving device vertical mold and come and go and move;

Said pendulous device and spiral add that the slag pipe links to each other and drive spiral by the drive motor drives pendulous device of pendulous device and add wide the reciprocating swing of slag pipe along crystallizer.

2. large-section crystallizer covering slag automatically adding device according to claim 1; It is characterized in that; Said pendulous device comprises tilting block, turn-screw, feed screw nut and rocking arm; Said rocking arm connects feed screw nut and spiral adds the slag pipe, and the drive motor drives turn-screw of pendulous device and feed screw nut action and drive spiral add wide the reciprocating swing of slag pipe along crystallizer.

3. large-section crystallizer covering slag automatically adding device according to claim 1 and 2 is characterized in that said spiral adds the wind thermal insulation board of setting up defences on the slag pipe.

4. large-section crystallizer covering slag automatically adding device according to claim 1; It is characterized in that; The drive motors of said longitudinal-moving device and the drive motors of pendulous device and controller electrically connect, and said controller is controlled the drive motors of said longitudinal-moving device and the drive motors of pendulous device is synchronized with the movement.

5. according to claim 1 or 4 described large-section crystallizer covering slag automatically adding devices; It is characterized in that, the drive motors of said controller control longitudinal-moving device drive spiral add the slag pipe follow wide of the longitudinal-moving device vertical mold near the drive motors of also controlling pendulous device away from the crystallizer mouth time drives that spiral adds that the slag pipe increases with pivot angle or the angle that reduces along wide swing synchronously of crystallizer.