CN105506225A - Molten iron desulfurization stirring head replacement device and stirring head replacement method - Google Patents

Molten iron desulfurization stirring head replacement device and stirring head replacement method Download PDF

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Publication number
CN105506225A
CN105506225A CN201511023308.9A CN201511023308A CN105506225A CN 105506225 A CN105506225 A CN 105506225A CN 201511023308 A CN201511023308 A CN 201511023308A CN 105506225 A CN105506225 A CN 105506225A
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CN
China
Prior art keywords
head
stirring
lifting
changing
groove
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Application number
CN201511023308.9A
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Chinese (zh)
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CN105506225B (en
Inventor
袁金生
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Wisdri Engineering and Research Incorporation Ltd
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Wisdri Engineering and Research Incorporation Ltd
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/064Dephosphorising; Desulfurising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00Refining of pig-iron; Cast iron
    • C21C1/02Dephosphorising or desulfurising

Abstract

The invention relates to a molten iron desulfurization stirring head replacement device and a stirring head replacement method. The replacement device comprises a replacement trolley, a bracket, a lifting table, a rotating seat, a lifting driving mechanism and a rotary driving mechanism, wherein the bracket seat is arranged on the replacement trolley; the lifting driving mechanism drives the lifting table to vertically slide and lift along the bracket; the lifting table is provided with a through hole along the vertical direction and a through groove which extends from one side part to the through hole; the rotating seat is embedded in the through hole and rotates around the axial line of the through hole under the driving action of the rotary driving mechanism; the rotating seat is a notch-bearing ring part of which the inner ring diameter is less than the diameter of the flange connector and greater than the diameter of a stirring shaft; the widths of the through groove and notch are respectively greater than the diameter of the stirring shaft; the space between the rotating seat and the projection of the rotating seat on the surface of the replacement trolley is used for erecting a stirring head; and the space between the through groove and the projection of the through groove on the surface of the replacement trolley is used for the stirring head to travel. The molten iron desulfurization stirring head replacement device is simple in structure and convenient to use, and effectively reduces the labor intensity and the replacement time.

Description

The more changing device of desulfurization agitator head for hot metal and the method for replacing stirring-head
Technical field
The invention belongs to Desulphurization of Pig Iron field, be specifically related to a kind of desulfurization agitator head for hot metal more changing device and use this more changing device change the method for stirring-head.
Background technology
Mechanical mixing method desulfurization, due to production cost advantage, has become a kind of molten iron pretreatment method of main flow, and becomes the trend of Future Development.
But current existing stirring-head replacing options adopts simple flat wooden handcart to change, Renewal process is cumbersome, more time-consuming, level of automation is low, be embodied in: 1, when old stirring-head dismounting is pulled out by simple flat wooden handcart, due to astasia uneven bottom old stirring-head, there is the danger toppled over; 2, the flange position paired comparisons difficulty when new stirring-head is installed, bolt hole is also difficult to aim at; 3, whole Renewal process all needs manually according to practical situation operation, and can not realize automatization, workload is large, length consuming time.
Summary of the invention
The embodiment of the present invention a kind of more changing device of desulfurization agitator head for hot metal is provided and use this more changing device change the method for stirring-head, at least can solve the segmental defect of prior art.
The embodiment of the present invention relates to a kind of more changing device of desulfurization agitator head for hot metal, described stirring-head comprises flange connector, stir shaft and agitating vane, and described more changing device comprises changes dolly, support, lifting table, rotary seat, lift drive mechanism and rotary drive mechanism, described carrier base is located on described replacing dolly, and described lift drive mechanism drives described lifting table along the vertical slippage lifting of described support, described lifting table offers through hole vertically and extended to the groove of this through hole by a side portion, described rotary seat to be embedded in described through hole and to drive it to rotate around described through-bore axis by described rotary drive mechanism, described rotary seat is band annular element jaggy and the diameter that annular diameters is less than described flange connector is greater than the diameter of described stir shaft, the width of described groove and described breach is all greater than the diameter of described stir shaft, described rotary seat and its space between the projection of described replacing dolly table top are used for putting vertical described stirring-head, described groove and its space between the projection of described replacing dolly table top are for described stirring-head of walking.
As one of embodiment, described more changing device also comprises range finding switch, and described range finding switch is located on half catcher, and described range finding switch is positioned at circumferentially same with the half each flange bolt hole taken over.
As one of embodiment, described lifting table is provided with proximity switch, and described proximity switch is positioned at the side of described through hole away from described groove.
As one of embodiment, described rotary drive mechanism comprises driving lever and rotary cylinder, and described driving lever is fixed on described rotary seat, and described rotary cylinder output terminal is connected with described driving lever.
As one of embodiment, described lift drive mechanism comprises two jacking cylinders, and described in two, jacking cylinder is symmetricly set on described support along described through-bore axis.
As one of embodiment, described replacing dolly table top is provided with the thermofin for agitating vane described in bearing.
As one of embodiment, described thermofin is laid by refractory brick and forms.
As one of embodiment, described through hole is tapered hole wide at the top and narrow at the bottom.
As one of embodiment, between described rotary seat and described through hole, pass through grease lubrication.
The embodiment of the present invention also relates to the method using more changing device replacing stirring-head as above, comprises the steps:
Old stirring-head dismounting: decline old stirring-head, agitating vane is positioned at above described replacing dolly table top, and flange connector is positioned at above described lifting table; Adjust described breach to be communicated with described groove, described replacing carriage walking makes stir shaft by described groove and described breach and enters described rotary seat, this old stirring-head that declines to its bearing on described replacing dolly table top; Described rotary drive mechanism drives described rotary seat to rotate, and makes described breach depart from described groove; After flange bolt is removed, change dolly and this old stirring-head is transported;
New stirring-head is installed: by new stirring-head handling to loading position, agitating vane is made to be positioned at above described replacing dolly table top, and flange connector is positioned at above described lifting table, adjust described breach to be communicated with described groove, described replacing carriage walking makes stir shaft by described groove and described breach and enters described rotary seat, and described lift drive mechanism drives described lifting table to rise to described rotary seat and accepts flange connector; Described replacing carriage walking is to half catcher below and that flange connector and half take over is just right, and described rotary seat rotates to make upper and lower flange bolt hole site correspondence; Half catcher that declines makes it near flange connector, is linked together by upper and lower flange bolt.
The embodiment of the present invention at least achieves following beneficial effect: the present invention is coordinated with lifting table by rotary seat, and after the old stirring-head of loading, rotary seat rotates and makes breach depart from groove, the active tunnel of isolation stirring-head, thus prevents stirring-head astasia and topple over; When installing new stirring-head, being rotated by rotary seat and conveniently can realize the pairing of upper lower flange position and bolt hole aligning, effectively improving stirring-head and change efficiency.Structure of the present invention is simple, and easy to use, can realize semi-automation operation, effectively reduces labour intensity and replacing construction, improves productivity effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The main TV structure schematic diagram of the more changing device of the desulfurization agitator head for hot metal that Fig. 1 provides for the embodiment of the present invention;
The plan structure schematic diagram of the more changing device of the desulfurization agitator head for hot metal that Fig. 2 provides for the embodiment of the present invention;
In figure, 1 is stirring-head; 2 is rotary seat; 3 is lifting table; 4 is support; 5 is thermofin; 6 for changing dolly; 7 is wheel; 8 is rotary cylinder; 9 is range finding switch; 10 is proximity switch; 11 is half catcher; 12 is jacking cylinder.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of protection of the invention.
As Fig. 1-Fig. 2, the embodiment of the present invention relates to a kind of more changing device of desulfurization agitator head for hot metal, described stirring-head 1 comprises flange connector, stir shaft and agitating vane, and described more changing device comprises changes dolly 6, support 4, lifting table 3, rotary seat 2, lift drive mechanism and rotary drive mechanism; Wherein, change dolly 6 and walk on rail by the multiple wheels 7 being located at bottom, preferably drive it to walk by motor, in the present embodiment, wheel 7 is 4.The steel framed structure that support 4 can adopt H profile steel to be welded, this 4, support is located on described replacing dolly 6, and described lift drive mechanism drives described lifting table 3 along the vertically slippage lifting of described support 4, described lifting table 3 offers through hole vertically and extended to the groove of this through hole by a side portion, described rotary seat 2 to be embedded in described through hole and to drive it to rotate around described through-bore axis by described rotary drive mechanism, described rotary seat 2 for annular element jaggy and annular diameters be less than the diameter of described flange connector and be greater than the diameter of described stir shaft, the width of described groove and described breach is all greater than the diameter of described stir shaft, described rotary seat 2 and its space between the projection of described replacing dolly 6 table top are used for putting vertical described stirring-head 1, described groove and its space between the projection of described replacing dolly 6 table top are for described stirring-head 1 of walking.
Continue the structure of above-mentioned more changing device, and described lift drive mechanism can adopt the conventional driving arrangements such as cylinder, and in the present embodiment, this lift drive mechanism comprises two jacking cylinders 12, and described in two, jacking cylinder 12 is symmetricly set on support 4 along described through-bore axis.The existing mode that is slidably connected can be adopted between lifting table 3 and support 4, in the present embodiment, adopt the mode that roller coordinates with slide rail, as Fig. 1, be specially: lifting table 3 comprises top platen and two back up pads, and top platen is horizontally disposed with, and two back up pads vertically arrange and are symmetrical arranged along through-bore axis, back up pad top is connected to bottom top platen, and bottom is connected with respective side jacking cylinder 12; The relative both sides edge of back up pad is equipped with multiple roller, and the track that roller is made along H profile steel slides, and in the present embodiment, each side portion of each back up pad is provided with two rollers.Described rotary drive mechanism preferably comprises driving lever and rotary cylinder 8, and described driving lever is fixed on described rotary seat 2, and described rotary cylinder 8 output terminal is connected with described driving lever; The floor installation of above-mentioned rotary cylinder 8 is on lifting table 3.
Continue the structure of above-mentioned more changing device, and form revolute between the through hole of rotary seat 2 and lifting table 3, rotary seat 2 is supported by lifting table 3 and rotates relative to lifting table 3; Preferably, through hole is tapered hole wide at the top and narrow at the bottom, and rotary seat 2 correspondence adopts conical ring structure wide at the top and narrow at the bottom, thus rotary seat 2 is flush-mounted in through hole and does not drop out in through hole; By grease lubrication between described rotary seat 2 and described through hole, reduce the frictional force between rotary seat 2 and through hole, improve the rotate effect of rotary seat 2 and reduce the abrasion of equipment.Do not establish the bracing members of support 4 below through hole and groove, enter rotary seat 2 so that stirring-head 1 is smooth and easy or leaves rotary seat 2, avoid stirring-head 1 and support 4 to collide and cause structure deteriorate.
The structure of the above-mentioned more changing device of further optimization, described replacing dolly 6 table top is provided with the thermofin 5 for agitating vane described in bearing, this thermofin 5 is positioned at immediately below through hole, and thermofin 5 should be not less than the ultimate range between two just right agitating vanes along the size changing dolly 6 land length and width, namely ensure that agitating vane can bearing on thermofin 5, avoid too high the causing of old stirring-head 1 temperature changed to change the distortion of dolly 6 car body completely.Described thermofin 5 can be laid by refractory brick and form.
The structure of the above-mentioned more changing device of further optimization, described more changing device also comprises range finding switch 9, and described range finding switch 9 is located on half catcher 11, and described range finding switch 9 is positioned at circumferentially same with the half each flange bolt hole taken on 11; This range finding switch 9 is for responding to the position of stirring-head 1 in the vertical direction, for controlling the distance between half catcher 11 and stirring-head 1, this range finding switch 9 and the half each flange bolt hole taken on 11 are located at circumferentially same, can determine whether half catcher 11 is aimed at the flange bolt hole of flange connector.Described lifting table 3 is also provided with proximity switch 10, described proximity switch 10 is positioned at the side of described through hole away from described groove, this proximity switch 10 is for responding to stirring-head 1 position in the horizontal direction, play position-limiting action when stirring-head 1 loads rotary seat 2, avoid stirring-head 1 to clash into rotary seat 2 or support 4 causes structure deteriorate.
The embodiment of the present invention also relates to the method using more changing device replacing stirring-head as above, comprises the steps:
Old stirring-head dismounting: decline old stirring-head, agitating vane is positioned at above described replacing dolly table top, and flange connector is positioned at above described lifting table; Adjust described breach to be communicated with described groove, described replacing carriage walking makes stir shaft by described groove and described breach and enters described rotary seat.Decline this old stirring-head to its bearing on described replacing dolly table top; Described rotary drive mechanism drives described rotary seat to rotate, and makes described breach depart from described groove; After flange bolt is removed, change dolly and this old stirring-head is transported;
New stirring-head is installed: by new stirring-head handling to loading position, agitating vane is made to be positioned at above described replacing dolly table top, and flange connector is positioned at above described lifting table, adjust described breach to be communicated with described groove, described replacing carriage walking makes stir shaft by described groove and described breach and enters described rotary seat, proximity switch 10 senses stirring-head position, and signal is sent to control center to control to change dolly stopping walking.Described lift drive mechanism drives described lifting table to rise to described rotary seat and accepts flange connector; Below described replacing carriage walking to half catcher 11 and that flange connector and half is taken over is 11 just right, described rotary seat rotates to make upper and lower flange bolt hole position alignment, half catcher 11 and flange connector just to and up and down flange bolt hole alignment function controlled by above-mentioned range finding switch 9, when upper and lower flange bolt hole is on time, range finding switch 9 sends pulse signal to control center, and then control rotary seat stops the rotation; Half catcher 11 that declines makes it near flange connector, distance is therebetween monitored by range finding switch 9, when the half catcher flange face of 11 and the flange face of flange connector are soon fitted, range finding switch 9 sends signal to be stopped declining to control half catcher 11, is linked together by upper and lower flange bolt manually subsequently.
The embodiment of the present invention at least achieves following beneficial effect: the present invention is coordinated with lifting table by rotary seat, and after the old stirring-head of loading, rotary seat rotates and makes breach depart from groove, the active tunnel of isolation stirring-head, thus prevents stirring-head astasia and topple over; When installing new stirring-head, being rotated by rotary seat and conveniently can realize the pairing of upper lower flange position and bolt hole aligning, effectively improving stirring-head and change efficiency.Structure of the present invention is simple, and easy to use, can realize semi-automation operation, effectively reduces labour intensity and replacing construction, improves productivity effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. the more changing device of a desulfurization agitator head for hot metal, described stirring-head comprises flange connector, stir shaft and agitating vane, it is characterized in that: described more changing device comprises changes dolly, support, lifting table, rotary seat, lift drive mechanism and rotary drive mechanism, described carrier base is located on described replacing dolly, and described lift drive mechanism drives described lifting table along the vertical slippage lifting of described support, described lifting table offers through hole vertically and extended to the groove of this through hole by a side portion, described rotary seat to be embedded in described through hole and to drive it to rotate around described through-bore axis by described rotary drive mechanism, described rotary seat is band annular element jaggy and the diameter that annular diameters is less than described flange connector is greater than the diameter of described stir shaft, the width of described groove and described breach is all greater than the diameter of described stir shaft, described rotary seat and its space between the projection of described replacing dolly table top are used for putting vertical described stirring-head, described groove and its space between the projection of described replacing dolly table top are for described stirring-head of walking.
2. the more changing device of desulfurization agitator head for hot metal according to claim 1, it is characterized in that: described more changing device also comprises range finding switch, described range finding switch is located on half catcher, and described range finding switch is positioned at circumferentially same with the half each flange bolt hole taken over.
3. the more changing device of desulfurization agitator head for hot metal according to claim 1, is characterized in that: described lifting table is provided with proximity switch, described proximity switch is positioned at the side of described through hole away from described groove.
4. the more changing device of desulfurization agitator head for hot metal according to claim 1, it is characterized in that: described rotary drive mechanism comprises driving lever and rotary cylinder, described driving lever is fixed on described rotary seat, described rotary cylinder output terminal is connected with described driving lever.
5. the more changing device of desulfurization agitator head for hot metal according to claim 1, is characterized in that: described lift drive mechanism comprises two jacking cylinders, and described in two, jacking cylinder is symmetricly set on described support along described through-bore axis.
6. the more changing device of desulfurization agitator head for hot metal according to claim 1, is characterized in that: described replacing dolly table top is provided with the thermofin for agitating vane described in bearing.
7. the more changing device of desulfurization agitator head for hot metal according to claim 6, is characterized in that: described thermofin is laid by refractory brick and forms.
8. the more changing device of desulfurization agitator head for hot metal according to claim 1, is characterized in that: described through hole is tapered hole wide at the top and narrow at the bottom.
9. the more changing device of the desulfurization agitator head for hot metal according to claim 1 or 8, is characterized in that: pass through grease lubrication between described rotary seat and described through hole.
10. use as claimed in any one of claims 1-9 wherein more changing device to change the method for stirring-head, it is characterized in that, comprise the steps:
Old stirring-head dismounting: decline old stirring-head, agitating vane is positioned at above described replacing dolly table top, and flange connector is positioned at above described lifting table; Adjust described breach to be communicated with described groove, described replacing carriage walking makes stir shaft by described groove and described breach and enters described rotary seat, this old stirring-head that declines to its bearing on described replacing dolly table top; Described rotary drive mechanism drives described rotary seat to rotate, and makes described breach depart from described groove; After flange bolt is removed, change dolly and this old stirring-head is transported;
New stirring-head is installed: by new stirring-head handling to loading position, agitating vane is made to be positioned at above described replacing dolly table top, and flange connector is positioned at above described lifting table, adjust described breach to be communicated with described groove, described replacing carriage walking makes stir shaft by described groove and described breach and enters described rotary seat, and described lift drive mechanism drives described lifting table to rise to described rotary seat and accepts flange connector; Described replacing carriage walking is to half catcher below and that flange connector and half take over is just right, and described rotary seat rotates to make upper and lower flange bolt hole site correspondence; Half catcher that declines makes it near flange connector, is linked together by upper and lower flange bolt.
CN201511023308.9A 2015-12-30 2015-12-30 The more changing device of desulfurization agitator head for hot metal and the method for changing stirring-head Active CN105506225B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105936955A (en) * 2016-05-31 2016-09-14 江苏永钢集团有限公司 Stirring device for hot metal desulfurization
CN107400754A (en) * 2017-07-31 2017-11-28 莱芜钢铁集团有限公司 A kind of system and method for being used to change refining furnace rise fall of electrodes cylinder
CN108910761A (en) * 2018-05-17 2018-11-30 中冶宝钢技术服务有限公司 Feeding-discharging carriage clamp movable operating platform and clamp replacing options

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KR20130046832A (en) * 2011-10-28 2013-05-08 현대제철 주식회사 Device for keeping warmth of impeller
CN203125430U (en) * 2013-01-18 2013-08-14 中国十七冶集团有限公司 Simple tool for rapid replacement of mixing propeller of desulphurization device
CN104878149A (en) * 2014-02-28 2015-09-02 宝钢工程技术集团有限公司 Rotational type stirring replacing trolley

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105936955A (en) * 2016-05-31 2016-09-14 江苏永钢集团有限公司 Stirring device for hot metal desulfurization
CN105936955B (en) * 2016-05-31 2017-10-31 江苏永钢集团有限公司 A kind of molten iron desulphurization stirring device
CN107400754A (en) * 2017-07-31 2017-11-28 莱芜钢铁集团有限公司 A kind of system and method for being used to change refining furnace rise fall of electrodes cylinder
CN108910761A (en) * 2018-05-17 2018-11-30 中冶宝钢技术服务有限公司 Feeding-discharging carriage clamp movable operating platform and clamp replacing options

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