CN105506225B - The more changing device of desulfurization agitator head for hot metal and the method for changing stirring-head - Google Patents

The more changing device of desulfurization agitator head for hot metal and the method for changing stirring-head Download PDF

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Publication number
CN105506225B
CN105506225B CN201511023308.9A CN201511023308A CN105506225B CN 105506225 B CN105506225 B CN 105506225B CN 201511023308 A CN201511023308 A CN 201511023308A CN 105506225 B CN105506225 B CN 105506225B
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China
Prior art keywords
head
stirring
rotating seat
changing device
groove
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CN201511023308.9A
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CN105506225A (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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

The present invention relates to a kind of more changing device of desulfurization agitator head for hot metal and the method for changing stirring-head, more changing device includes changing dolly, support, lifting platform, rotating seat, lift drive mechanism and rotary drive mechanism;Carrier base is located at changing on dolly, and lift drive mechanism driving lifting platform slides lifting along support vertically;Through hole vertically is offered on lifting platform and the groove of the through hole is extended to by a side portion, rotating seat is embedded in through hole and drives it to be rotated around through-bore axis by rotary drive mechanism, rotating seat is is less than the diameter that the diameter of flange connector is more than agitating shaft with annular element jaggy and annular diameters, the width of groove and breach is all higher than the diameter of agitating shaft, rotating seat and its space being located between the projection for changing dolly table top are used to put vertical stirring-head, and groove and its space being located between the projection for changing dolly table top are used for stirring-head of walking.It is simple in construction, it is easy to use, effectively reduce labor intensity and replacing construction.

Description

The more changing device of desulfurization agitator head for hot metal and the method for changing stirring-head
Technical field
The invention belongs to Desulphurization of Pig Iron field, and in particular to a kind of more changing device of desulfurization agitator head for hot metal and use The method that the more changing device changes stirring-head.
Background technology
Mechanical mixing method desulfurization has become a kind of molten iron pretreatment method of main flow due to production cost advantage, and into For the trend of Future Development.
But currently existing stirring-head replacing options are changed using simple flat car, Renewal process is number Tired, relatively time-consuming, automaticity is low, is embodied in:1st, when old stirring-head is removed and pulled out by simple flat car, due to , there is the danger toppled in the uneven astasia in old stirring-head bottom;2nd, when new stirring-head is installed, flange position paired comparisons are stranded Difficulty, bolt hole also is difficult to alignment;3rd, whole Renewal process is required for manually being operated according to actual conditions, it is impossible to realize automation, Workload is big, and time-consuming.
The content of the invention
The embodiment of the present invention provides a kind of more changing device of desulfurization agitator head for hot metal and changes stirring using the more changing device The method of head, can at least solve the segmental defect of prior art.
The present embodiments relate to a kind of more changing device of desulfurization agitator head for hot metal, the stirring-head is connected including flange Part, agitating shaft and stirring vane, the more changing device include changing dolly, support, lifting platform, rotating seat, lift drive mechanism And rotary drive mechanism;The carrier base is on the replacing dolly, and the lift drive mechanism drives the lifting platform edge The support slides lifting vertically;Through hole vertically is offered on the lifting platform and this is extended to by a side portion and is led to The groove in hole, the rotating seat is embedded in the through hole and drives it around the through-bore axis by the rotary drive mechanism Rotation, the rotating seat is described in the diameter for being less than the flange connector with annular element jaggy and annular diameters is more than The width of the diameter of agitating shaft, the groove and the breach is all higher than the diameter of the agitating shaft, the rotating seat and its position Space between the projection of the replacing dolly table top is used to put the vertical stirring-head, and the groove is located at described change with it Space between the projection of dolly table top is used for the stirring-head of walking.
As one of embodiment, the more changing device also includes ranging and switched, and the ranging switch is located on half catcher, and The ranging switch is located on same circumference with each flange bolt hole on half catcher.
As one of embodiment, the lifting platform is provided with proximity switch, and it is remote that the proximity switch is located at the through hole The side of the groove.
As one of embodiment, the rotary drive mechanism includes driving lever and rotary cylinder, and the driving lever is fixed in described On rotating seat, the rotary cylinder output end is connected with the driving lever.
As one of embodiment, the lift drive mechanism includes two jacking cylinders, and jacking cylinder described in two is led to along described Axially bored line is symmetricly set on the support.
As one of embodiment, the dolly table top of changing is provided with the thermal insulation layer for stirring vane described in bearing.
As one of embodiment, the thermal insulation layer is laid by refractory brick to be formed.
As one of embodiment, the through hole is bellmouth wide at the top and narrow at the bottom.
As one of embodiment, grease lubrication is passed through between the rotating seat and the through hole.
The embodiment of the present invention further relates to the method for changing stirring-head using more changing device as described above, including following step Suddenly:
Old stirring-head dismounting:Decline old stirring-head, stirring vane is located above the replacing dolly table top, and flange connects Fitting is located above the lifting platform;Adjust the breach to connect with the groove, the replacing carriage walking leads to agitating shaft Cross the groove and the breach and enter the rotating seat, decline the old stirring-head to its bearing in the replacing dolly table top On;The rotary drive mechanism drives the rotating seat rotation so that the breach deviates the groove;By flange bolt After dismounting, change dolly and transport the old stirring-head;
New stirring-head is installed:New stirring-head is hoisted to loading position, stirring vane is located on the replacing dolly table top Side, and flange connector is located at lifting platform top, adjusts the breach and is connected with the groove, the replacing carriage walking Make agitating shaft by the groove and the breach and enter the rotating seat, the lift drive mechanism drives the lifting platform Rise to the rotating seat and accept flange connector;The replacing carriage walking to half catcher lower section and make flange connector with Half catcher is just right, the rotating seat rotate so that above and below flange bolt hole site correspondence;Declining half catcher makes it close to flange Connector, flange bolt will link together up and down.
The embodiment of the present invention at least realizes following beneficial effect:The present invention is coordinated by rotating seat and lifting platform, in dress Enter rotating seat after old stirring-head to rotate so that breach deviates groove, the active tunnel of isolation stirring-head, so as to prevent stirring-head station Stand unstable and topple over;When installing new stirring-head, upper lower flange position pairing and bolt can conveniently be realized by rotating seat rotation Hole is aligned, and is effectively improved stirring-head and is changed efficiency.The present invention is simple in construction, easy to use, semiautomation operation can be achieved, effectively Labor intensity and replacing construction are reduced, productivity effect is improved.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the main structure diagram of the more changing device of desulfurization agitator head for hot metal provided in an embodiment of the present invention;
Fig. 2 is the overlooking the structure diagram of the more changing device of desulfurization agitator head for hot metal provided in an embodiment of the present invention;
In figure, 1 is stirring-head;2 be rotating seat;3 be lifting platform;4 be support;5 be thermal insulation layer;6 be replacing dolly;7 are Wheel;8 be rotary cylinder;9 be that ranging is switched;10 be proximity switch;11 take over for half;12 be jacking cylinder.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its Its embodiment, belongs to the scope of protection of the invention.
Such as Fig. 1-Fig. 2, the present embodiments relate to a kind of more changing device of desulfurization agitator head for hot metal, the stirring-head 1 is wrapped Flange connector, agitating shaft and stirring vane are included, the more changing device includes changing dolly 6, support 4, lifting platform 3, rotating seat 2nd, lift drive mechanism and rotary drive mechanism;Wherein, change dolly 6 and walk in rail by multiple wheels 7 located at bottom On, it is preferably to drive it to walk by motor, in the present embodiment, wheel 7 is 4.The steel that support 4 can be welded using H profile steel Frame structure, 4, the support is on the replacing dolly 6, and the lift drive mechanism drives the lifting platform 3 along the support 4 vertical sliding liftings;Through hole vertically is offered on the lifting platform 3 and the logical of the through hole is extended to by a side portion Groove, the rotating seat 2 is embedded in the through hole and drives it to be rotated around the through-bore axis by the rotary drive mechanism, The rotating seat 2 is more than the stirring to be less than the diameter of the flange connector with annular element jaggy and annular diameters The width of the diameter of axle, the groove and the breach is all higher than the diameter of the agitating shaft, and the rotating seat 2 is located at institute with it Stating the space between the projection for changing the table top of dolly 6 is used to put the vertical stirring-head 1, and it is small that the groove is located at the replacing with it Space between the projection of the table top of car 6 is used for the stirring-head 1 of walking.
Continue the structure of above-mentioned more changing device, and the lift drive mechanism can be using conventional driving equipments, this reality such as cylinders Apply in example, the lift drive mechanism includes two jacking cylinders 12, and jacking cylinder 12 is symmetrical arranged along the through-bore axis described in two In on support 4.It can be used between lifting platform 3 and support 4 in the existing mode that is slidably connected, the present embodiment, using roller and cunning The mode that rail coordinates, such as Fig. 1, specially:Lifting platform 3 includes top platen and two supporting plates, and top platen is horizontally disposed with, two Fagging is vertically arranged and is symmetrical arranged along through-bore axis, and supporting plate top is connected to top platen bottom, bottom and respective side top Cylinder 12 is risen to connect;Multiple rollers are equipped with the opposite sides edge of supporting plate, roller is slided along the track that H profile steel is made, In the present embodiment, each side portion of each supporting plate is provided with two rollers.The rotary drive mechanism, which is preferably comprised, to be dialled Bar and rotary cylinder 8, the driving lever are fixed on the rotating seat 2, and the output end of rotary cylinder 8 is connected with the driving lever; The floor installation of above-mentioned rotary cylinder 8 is on lifting platform 3.
Continue the structure of above-mentioned more changing device, forms revolute between rotating seat 2 and the through hole of lifting platform 3, rotating seat 2 by Lifting platform 3 is supported and rotated relative to lifting platform 3;Preferably, through hole is bellmouth wide at the top and narrow at the bottom, and the correspondence of rotating seat 2 is used Conical ring structure wide at the top and narrow at the bottom, so that rotating seat 2 is flush-mounted in through hole without being dropped out out of through hole;The rotating seat 2 and institute State between through hole by grease lubrication, reduce the frictional force between rotating seat 2 and through hole, improve the rotates effe of rotating seat 2 And reduce the abrasion of equipment.The bracing members of support 4 are not set below through hole and groove, so as to the smooth entrance rotating seat 2 of stirring-head 1 or Leave rotating seat 2, it is to avoid stirring-head 1 causes device damage with the collision of support 4.
Further optimize the structure of above-mentioned more changing device, the table top of replacing dolly 6, which is provided with, to be used to stir described in bearing The thermal insulation layer 5 of blade, the thermal insulation layer 5 is located at immediately below through hole, and thermal insulation layer 5 is along changing the land length of dolly 6 and width Size should not less than two just to stirring vane between ultimate range, that is, ensure stirring vane can completely bearing in thermal insulation layer On 5, it is to avoid the temperature of old stirring-head 1 changed is too high to be caused to change the deformation of the car body of dolly 6.The thermal insulation layer 5 can be by refractory brick Lay and form.
Further optimize the structure of above-mentioned more changing device, the more changing device also includes ranging switch 9, the ranging switch 9 on half catcher 11, and ranging switch 9 is located on same circumference with each flange bolt hole on half catcher 11;The survey Away from 9 positions for being used to sense the in the vertical direction of stirring-head 1 are switched, for controlling the distance between half catcher 11 and stirring-head 1, The ranging is switched into 9 to be located on same circumference with each flange bolt hole on half catcher 11, it may be determined that half catcher 11 connects with flange Whether the flange bolt hole of fitting is aligned.Proximity switch 10 is additionally provided with the lifting platform 3, the proximity switch 10 is located at described Side of the through hole away from the groove, the proximity switch 10 is used to sense the position of stirring-head 1 in the horizontal direction, in stirring-head Position-limiting action is played during 1 loading rotating seat 2, it is to avoid stirring-head 1 hits rotating seat 2 or support 4 causes device damage.
The embodiment of the present invention further relates to the method for changing stirring-head using more changing device as described above, including following step Suddenly:
Old stirring-head dismounting:Decline old stirring-head, stirring vane is located above the replacing dolly table top, and flange connects Fitting is located above the lifting platform;Adjust the breach to connect with the groove, the replacing carriage walking leads to agitating shaft Cross the groove and the breach and enter the rotating seat.Decline the old stirring-head to its bearing in the replacing dolly table top On;The rotary drive mechanism drives the rotating seat rotation so that the breach deviates the groove;By flange bolt After dismounting, change dolly and transport the old stirring-head;
New stirring-head is installed:New stirring-head is hoisted to loading position, stirring vane is located on the replacing dolly table top Side, and flange connector is located at lifting platform top, adjusts the breach and is connected with the groove, the replacing carriage walking Make agitating shaft by the groove and the breach and enter the rotating seat, proximity switch 10 senses stirring-head position, and Send the signal to control centre and stop walking to control to change dolly.The lift drive mechanism drives the lifting platform to rise Flange connector is accepted to the rotating seat;The replacing carriage walking is to the lower section of half catcher 11 and makes flange connector and half Catcher is 11 just right, the rotating seat rotate so that above and below flange bolt hole position alignment, half catcher 11 with flange connector just Pair and up and down flange bolt hole alignment function by above-mentioned ranging switch 9 control, when up and down flange bolt hole alignment when, ranging is opened Close 9 and send pulse signal to control centre, and then control rotating seat to stop the rotation;Declining half catcher 11 makes it be connected close to flange Part, 9 monitoring distances therebetween are switched by ranging, when half catcher 11 flange face and flange connector flange face soon During laminating, ranging switch 9 sends signal to control half catcher 11 to stop decline, then manually will flange bolt connection up and down Together.
The embodiment of the present invention at least realizes following beneficial effect:The present invention is coordinated by rotating seat and lifting platform, in dress Enter rotating seat after old stirring-head to rotate so that breach deviates groove, the active tunnel of isolation stirring-head, so as to prevent stirring-head station Stand unstable and topple over;When installing new stirring-head, upper lower flange position pairing and bolt can conveniently be realized by rotating seat rotation Hole is aligned, and is effectively improved stirring-head and is changed efficiency.The present invention is simple in construction, easy to use, semiautomation operation can be achieved, effectively Labor intensity and replacing construction are reduced, productivity effect is improved.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all essences in the present invention God is with principle, and any modifications, equivalent substitutions and improvements made etc. should be included within the scope of the present invention.

Claims (10)

1. a kind of more changing device of desulfurization agitator head for hot metal, the stirring-head includes flange connector, agitating shaft and stirring vane, It is characterized in that:The more changing device includes changing dolly, support, lifting platform, rotating seat, lift drive mechanism and rotation driving Mechanism;The carrier base is on the replacing dolly, and the lift drive mechanism drives the lifting platform perpendicular along the support Straight sliding lifting;Through hole vertically is offered on the lifting platform and the groove of the through hole is extended to by a side portion, The rotating seat is embedded in the through hole and drives it to be rotated around the through-bore axis by the rotary drive mechanism, described Rotating seat is more than the agitating shaft to be less than the diameter of the flange connector with annular element jaggy and annular diameters The width of diameter, the groove and the breach is all higher than the diameter of the agitating shaft, the rotating seat with its be located at it is described more The space changed between the projection of dolly table top is used to put the vertical stirring-head, and the groove is located at the replacing dolly table top with it Projection between space be used to walk the stirring-head.
2. the more changing device of desulfurization agitator head for hot metal according to claim 1, it is characterised in that:The more changing device is also wrapped Ranging switch is included, the ranging switch is on half catcher, and ranging switch and each flange bolt hole position on half catcher In on same circumference.
3. the more changing device of desulfurization agitator head for hot metal according to claim 1, it is characterised in that:The lifting platform is provided with Proximity switch, the proximity switch is located at side of the through hole away from the groove.
4. the more changing device of desulfurization agitator head for hot metal according to claim 1, it is characterised in that:The rotary drive mechanism Including driving lever and rotary cylinder, the driving lever is fixed on the rotating seat, and the rotary cylinder output end connects with the driving lever Connect.
5. the more changing device of desulfurization agitator head for hot metal according to claim 1, it is characterised in that:The lift drive mechanism Including two jacking cylinders, jacking cylinder described in two is symmetricly set on the support along the through-bore axis.
6. the more changing device of desulfurization agitator head for hot metal according to claim 1, it is characterised in that:The replacing dolly table top It is provided with the thermal insulation layer for stirring vane described in bearing.
7. the more changing device of desulfurization agitator head for hot metal according to claim 6, it is characterised in that:The thermal insulation layer is by fire resisting Brick, which is laid, to be formed.
8. the more changing device of desulfurization agitator head for hot metal according to claim 1, it is characterised in that:The through hole is under upper width Narrow bellmouth.
9. the more changing device of desulfurization agitator head for hot metal according to claim 1, it is characterised in that:The rotating seat with it is described Pass through grease lubrication between through hole.
10. the method for changing stirring-head using more changing device as claimed in any one of claims 1-9 wherein, it is characterised in that bag Include following steps:
Old stirring-head dismounting:Decline old stirring-head, stirring vane is located above the replacing dolly table top, and flange connector Above the lifting platform;Adjust the breach to connect with the groove, the replacing carriage walking makes agitating shaft pass through institute State groove and the breach and enter the rotating seat, decline the old stirring-head to its bearing on the replacing dolly table top; The rotary drive mechanism drives the rotating seat rotation so that the breach deviates the groove;Flange bolt is torn open After removing, change dolly and transport the old stirring-head;
New stirring-head is installed:New stirring-head is hoisted to loading position, stirring vane is located above the replacing dolly table top, and Flange connector is located above the lifting platform, adjusts the breach and is connected with the groove, and the replacing carriage walking makes to stir Axle is mixed by the groove and the breach and enters the rotating seat, the lift drive mechanism drives the lifting platform to rise Flange connector is accepted to the rotating seat;The replacing carriage walking is to half catcher lower section and makes flange connector with partly connecing Hand is just right, the rotating seat rotate so that above and below flange bolt hole site correspondence;Declining half catcher makes it be connected close to flange Part, flange bolt will link together up and down.
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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Publication number Priority date Publication date Assignee Title
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
CN107400754B (en) * 2017-07-31 2019-03-19 莱芜钢铁集团有限公司 It is a kind of for replacing the system and method for refining furnace rise fall of electrodes cylinder
CN108910761B (en) * 2018-05-17 2020-04-14 中冶宝钢技术服务有限公司 Clamp moving operation table of feeding and discharging trolley and clamp replacing method
CN114892253B (en) * 2022-05-31 2024-05-10 北京半导体专用设备研究所(中国电子科技集团公司第四十五研究所) Wafer plating solution stirring mechanism

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