CN207727103U - Split type blanking device and charging system suitable for molten iron stirring desulphurization - Google Patents
Split type blanking device and charging system suitable for molten iron stirring desulphurization Download PDFInfo
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- CN207727103U CN207727103U CN201721639300.XU CN201721639300U CN207727103U CN 207727103 U CN207727103 U CN 207727103U CN 201721639300 U CN201721639300 U CN 201721639300U CN 207727103 U CN207727103 U CN 207727103U
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Abstract
The utility model is related to a kind of split type blanking devices, including mobile emission of baiting chute and multiple fixed emission of baiting chute, each fixed emission of baiting chute is for being fixedly mounted at each corresponding discharge station, the mobile emission of baiting chute is connected with the mobile unit for driving it to be moved between each discharge station, and the mobile emission of baiting chute has the docking structure for being docked with the fixed emission of baiting chute.In addition a kind of charging system suitable for molten iron stirring desulphurization is also provided, including above-mentioned split type blanking device and connect with mobile emission of baiting chute and to the feed unit of its feed.Split type blanking device provided by the utility model is coordinated from the fixation emission of baiting chute of different discharge stations using mobile emission of baiting chute, realizes that a set of blanking device services the blanking work of multiple stations, effectively save space and equipment cost.
Description
Technical field
The utility model belongs to the charging (feeding) equipment in material transfer technical field more particularly to hot metal pre process procedures, tool
Body is related to a kind of split type blanking device and a kind of charging system suitable for molten iron stirring desulphurization.
Background technology
Sulphur is harmful element in the pig iron, and to most of steel grades, sulphur can make its processing performance and performance degenerate.Mesh
Before, using mechanical mixing method as the desulfurizing iron means of representative, in China, some BOF steelmaking shops are widely applied.Machinery stirs
Mix process desulfurization is widely used at present in technology arrangement the layout patterns such as single-station, five station of double vehicles：
The characteristics of single-station is arranged is every set desulfurization station must match a set of agitating device respectively, and there is separate system at two sets of stations
System, production are not interfere with each other, but are equipped with two sets of agitating devices and are brought the waste in cost.
Five station layout feature of double vehicles is that two sets of desulfurization stations share a set of agitating device, and five stations are along desulfurization station transverse direction cloth
It sets, five stations are followed successively by cage position, position of skimming, stirring position, position of skimming, cage position from left to right, and two buggy ladles correspond to one
A stirring position, one in stirring when, another can skim, it is ensured that stirring position never leave unused.But it is laterally occupied
Five stations lead to serious occupation of land waste problem.
In addition, the either arrangement of single-station or double five station of vehicle, agitating device and charging system are each attached to
On platform, the problems such as rigid connection of agitating device and structure platform is easily shaken there are structure platform.
Utility model content
The utility model embodiment is related to a kind of split type blanking device and a kind of charging suitable for molten iron stirring desulphurization
System can at least solve the segmental defect of the prior art.
The utility model embodiment is related to a kind of split type blanking device, including mobile emission of baiting chute and multiple fixed blankings
Elephant trunk, each fixed emission of baiting chute is for being fixedly mounted at each corresponding discharge station, the mobile emission of baiting chute connection
Be useful for the mobile unit for driving it to be moved between each discharge station, the mobile emission of baiting chute have for it is described
The docking structure of fixed emission of baiting chute docking.
As one of embodiment, the docking structure includes the expansion joint for being installed on the mobile emission of baiting chute bottom end.
As one of embodiment, each fixed emission of baiting chute is swing elephant trunk, including fixed section and wobble segment, described
Fixed section is fixedly mounted at the corresponding discharge station, and the wobble segment is hinged with the fixed section bottom end and articulated shaft axis
To for horizontal direction, the wobble segment is connected with the swing drive structure for driving it to swing up and down.
As one of embodiment, the swing drive structure includes the telescopic drive part for having telescopic propeller shaft, described to stretch
The shell of contracting actuator is rotatably connected on the fixed section, telescopic propeller shaft and the wobble segment of the telescopic drive part
It is rotatably connected, the rotation axis of all right one way or the other rotation connection structure is axially parallel with the articulated shaft.
The utility model embodiment is related to a kind of charging system suitable for molten iron stirring desulphurization, including：
Split type blanking device as described above；
The feed unit for connecting with the mobile emission of baiting chute and being fed to it.
As one of embodiment, the feed unit includes lower hopper, and the mobile emission of baiting chute passes through rotary feeder
It is connect with the lower hopper.
As one of embodiment, the feed unit further includes movable conveying pipeline, workshop fixation conveying pipeline and feed bin, institute
State on the workshop structure beam that movable conveying pipeline is movably disposed in above workshop structure platform and respectively with the lower hopper
Feeding mouth and the workshop fix conveying pipeline and be connected to, the workshop fixation conveying pipeline is connect with the feed bin.
As one of embodiment, the mobile unit is traversing for driving blender to be run between each stirring station
Trolley, the mobile emission of baiting chute are fixed on the transverse-moving trolley.
The utility model embodiment at least has the advantages that：
Split type blanking device provided by the utility model, using mobile emission of baiting chute under the fixation of different discharge stations
Expect elephant trunk cooperation, realizes that a set of blanking device services the blanking work of multiple stations, effectively save space and equipment cost.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram for the cross sliding type molten iron stirring desulphurization system that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram for the lift cart that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram for the expansion joint that the utility model embodiment provides.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment one
Such as Fig. 1, the utility model embodiment provides a kind of blender transverse-moving trolley 3, including cushion cap 31 and is installed on described
The walking mechanism of 31 bottom of cushion cap, 31 top loading of the cushion cap have blender 6 and the liter for driving the blender 6 to lift
Descending mechanism offers the vertical via to pass through for the blender 6 on the cushion cap 31.
Blender transverse-moving trolley 3 provided in this embodiment, as blender 6 supporting body and drive the blender 6 to exist
The power source run between adjacent stirring station, a set of agitating device are applicable to multiple desulfurization stations, it is thus possible to realize two sets
Desulfurization station shares a set of agitating device, and lateral arrangement only takes up two stations, effectively saves space.And so that
Molten iron agitating device is detached with structure platform, is avoided the structure platform caused by agitating device and structure platform rigid connection and is shaken
Dynamic problem.
The structure for connecting above-mentioned blender transverse-moving trolley 3, such as Fig. 1 and Fig. 2, the elevating mechanism include lifting frame 32,
Lift cart 33 and elevation driving unit, the lifting frame 32 and the elevation driving unit may be contained within the cushion cap 31
On, it is vertical riser guide that the lifting frame 32, which is equipped with guide direction, and the lift cart 33 is slidedly arranged on the lifting
It is connect on guide rail and with the elevation driving unit, the blender 6 is installed on the lift cart 33.Above-mentioned elevating mechanism
It can get the vertical lifting movement for realizing lift cart 33 relatively stablely.It in other examples, can also be by multiple
Cylinder/Driven by Hydraulic Cylinder is mounted with the mounting bracket vertical lifting of blender 6, is such as oppositely arranged using two cylinders or so, or adopt
With more than two cylinders around above-mentioned mounting bracket setting etc..
It is further preferred that such as Fig. 1 and Fig. 2, above-mentioned lift cart 33 includes vehicle frame, and vehicle frame outer profile is in cuboid knot
Structure, in being correspondingly provided with the sliding part 331 slid on above-mentioned riser guide on the vehicle frame；Preferably, the 8 of the vehicle frame outer profile
It is equipped with above-mentioned sliding part 331 on a vertex, can get preferable sliding stability.Accordingly, above-mentioned lifting frame 32
Middle part forms a cuboid channel, and a guide rail is respectively arranged at four vertical seamed edges in the cuboid channel, to
Above-mentioned vehicle frame is oriented to.Directive wheel etc. can be used in above-mentioned sliding part 331, and above-mentioned guide rail corresponds to configuration.
Further, such as Fig. 2, above-mentioned blender 6 includes stirring motor 63, stirring speed reducer 64, agitating shaft 62 and installation
Stirring-head 61 in 62 bottom end of agitating shaft, stirring motor 63 and stirring speed reducer 64 are installed on above-mentioned vehicle frame, agitating shaft 62
It connect with stirring speed reducer 64, is driven by the stirring motor 63 and stirring speed reducer 64, be iron to drive stirring-head 61 to rotate
Water pretreatment provides reacting dynamics condition.
It is further preferred that such as Fig. 1, above-mentioned elevation driving unit includes pulley blocks and hoisting mechanism 34, pulley blocks
Include the movable pulley 332 mounted on the top of above-mentioned lift cart 33 and the fixed pulley on above-mentioned lifting frame 32, it is above-mentioned
The lift rope of hoisting mechanism 34 is fixed on after bypassing the fixed pulley and movable pulley successively on lifting frame 32；The hoisting
Mechanism 34 is this field routine techniques, is no longer repeated herein its structure.In other examples, above-mentioned lifting driving
Cylinder, hydraulic cylinder, screw body, chain wheel drive isoline driving equipment may be used in unit.
Connect the structure of above-mentioned blender transverse-moving trolley 3, such as Fig. 1 is additionally provided with two groups of buffers on above-mentioned cushion cap 31, is used for
Impact force is absorbed in 21 contact-impact of car bumper on the transverse-moving trolley 3 and workshop structure platform 2, to preferably protect this cross
Moving stage vehicle 3, above-mentioned two groups of buffers are separately mounted to the both ends of the cushion cap 31 along the direction of travel of above-mentioned walking mechanism.It is above-mentioned slow
It rushes device and industrial common buffer can be used, can be bought by market, details are not described herein again for concrete structure.
As the preferred embodiment of blender transverse-moving trolley 3 provided in this embodiment, also installed on above-mentioned cushion cap 31
There is mobile emission of baiting chute 41, which is used for and fixation that station is respectively stirred on workshop structure platform 2
Emission of baiting chute 42 coordinates docking, has use to which the auxiliary materials such as desulfurizing agent namely the movement emission of baiting chute 41 be added into hot-metal bottle
In the docking structure docked with the fixed emission of baiting chute 42.Preferably, which includes expansion joint 411；It is specific excellent
Change the structure of the expansion joint 411, such as Fig. 3, which includes the outer tube 4112 being mutually socketed and inner tube 4111, interior
Pipe 4111 is connected with above-mentioned mobile emission of baiting chute 41, can be detachably connected by flange etc., and outer tube 4112 is set in interior
And can be axially retractable relative to the inner tube 4111 except pipe 4111, to will fix emission of baiting chute 42 be set in its tube chamber or
It is detached from the fixation emission of baiting chute 42；The outer tube 4112 is preferably to have one section of bellows piece 41121, so as to along itself axis
To stretching, it is easy-to-understand to, which, which is connected with, drives it along the telescopic drive unit of itself axial stretching, and such as Fig. 3 should
Telescopic drive unit includes the multiple telescopic drive parts 4113 being circumferentially circular layout along the outer tube 4112, each telescopic drive part
4113 shell is fixed in inner tube 4111, telescopic propeller shaft connect with outer tube 4112 and tie point with shell fixed position along outer
The axial both sides for being respectively in above-mentioned bellows piece 41121 of pipe 4112, the axial direction of the axial direction and outer tube 4112 of above-mentioned telescopic propeller shaft
It is parallel；Above-mentioned telescopic drive part 4113 can be the common telescopic drive equipment such as cylinder, hydraulic cylinder or electric pushrod.
As the preferred embodiment of blender transverse-moving trolley 3 provided in this embodiment, confession is additionally provided on above-mentioned cushion cap 31
Material unit, for being fed to above-mentioned mobile emission of baiting chute 41.Specifically, such as Fig. 1, the feed unit includes lower hopper 51, rotation
It is given to glassware and movable conveying pipeline 52, the mobile emission of baiting chute 41 is connected by the rotary feeder and the lower hopper 51
Connect, the movable conveying pipeline 52 be movably disposed on the workshop structure beam of the top of workshop structure platform 2 and respectively with institute
It states the feeding mouth of lower hopper 51 and workshop is fixed conveying pipeline 57 and is connected to.Above-mentioned lower hopper 51 preferably can control feeding coal
Scale hooper is such as configured with weight sensor.Above-mentioned movable conveying pipeline 52 is preferably the hose being mounted in drag chain 53, this is dragged
Chain 53 is supported and is oriented to by hauling-chain frame 54, and hauling-chain frame 54 is installed on above-mentioned workshop structure beam.
Embodiment two
Such as Fig. 1, the present embodiment provides a kind of split type blanking devices, including mobile emission of baiting chute 41 and multiple fixed blankings
Elephant trunk 42, for being fixedly installed to respectively at each corresponding discharge station, mobile emission of baiting chute 41 connects fixed emission of baiting chute 42
There is the mobile unit that it can be driven to be moved between each discharge station, so as to the fixation emission of baiting chute 42 from different discharge stations
Cooperation, realizes that a set of blanking device services the blanking work of multiple stations, effectively save space and equipment cost.Above-mentioned shifting
Dynamic emission of baiting chute 41 has the docking structure for being docked with the fixed emission of baiting chute 42.
The docking structure preferably uses expansion joint 411, the structure of the expansion joint 411 in above-described embodiment one
It is described, details are not described herein again.
It is further preferred that such as Fig. 1, above-mentioned fixed emission of baiting chute 42 is to swing elephant trunk, including fixed section 421 and wobble segment
422, the fixed section 421 is fixedly mounted at the default blanking work position of this split type blanking device, the wobble segment 422
Hinged and articulated shaft is axially horizontal direction with 421 bottom end of the fixed section, and the wobble segment 422 is connected with driving, and it swings up and down
Swing drive structure.By setting above-mentioned fixed emission of baiting chute 42 to swing elephant trunk, wobble segment 422 can be in standby position and work
Make to swing between position, enough activity spaces can be provided for the device to be fed of lower section, effectively save space.The pendulum
Dynamic driving structure is preferably to have the telescopic drive equipment of telescopic propeller shaft, such as cylinder, hydraulic cylinder, electric pushrod, shell
Body is rotatably connected on above-mentioned fixed section 421 and rotation axis and above-mentioned articulated shaft are axially parallel, telescopic propeller shaft with it is above-mentioned
Wobble segment 422 is rotatably connected and rotation axis and above-mentioned articulated shaft are axially parallel.
Such as Fig. 1, the present embodiment also provides a kind of charging system, is especially adapted for use in the charging system of molten iron stirring desulphurization,
Desulfurizing agent etc. can be added into hot-metal bottle.The charging system includes above-mentioned split type blanking device and to the mobile blanking
The feed unit that elephant trunk 41 is fed.
The case where being used for molten iron stirring desulphurization based on this charging system, above-mentioned mobile emission of baiting chute 41 is fixedly mounted on traversing
On trolley, above-mentioned each fixed emission of baiting chute 42 is separately mounted on structure platform 2 and respectively close to corresponding stirring station node
Setting；For 42 structure of fixation emission of baiting chute of above-mentioned swing chute type, fixed section 421 is preferably to be arranged in workshop knot
On structure platform 2, top is located above workshop structure platform 2 in order to be docked with mobile emission of baiting chute 41, bottom end and pendulum
Dynamic section 422 is hinged.Above-mentioned feed unit is preferably identical as the feed unit structure in above-described embodiment one, wherein above-mentioned vehicle
Between fix conveying pipeline 57 for connecting above-mentioned movable conveying pipeline 52 and feed bin 55, the workshop fix conveying pipeline 57 may be used it is resistance to
Mill steel-pipe welding is formed, and can be laid out according to workshop structure and be carried out correspondingly cabling.Such as Fig. 1, feed bin 55 is preferably by feed pump
56 fix conveying pipeline 57 with above-mentioned workshop connect, and desulfurizing agent can be transported to above-mentioned lower hopper 51 by modes such as Geldart-D particles
In；Feed bin 55 is preferably to arrange up and down with feed pump 56, can be connected by rotary feeder therebetween, 55 discharge port of feed bin
Place is equipped with discharge valve.
Embodiment three
The present embodiment is related to a kind of cross sliding type molten iron stirring desulphurization system, including structure platform 2, under the structure platform 2
Side is arranged in parallel with two defeated tank railway lines, and for hot-metal ladle and carriage 1 of walking, every defeated tank railway line corresponds to tool, and there are one stir
Mix station node；Opened up on the structure platform 2 there are two for blender 6 by walk hole and be disposed with concatenation two described in wear
The cross moving track in row hole walks hole and the two stirring station nodes face one by one described in two, walking on the cross moving track has
Transverse-moving trolley 3, the transverse-moving trolley 3 are equipped with blender 6 and the elevating mechanism for driving the blender 6 to lift.
Cross sliding type molten iron stirring desulphurization system provided in this embodiment, by the way that cross moving track is arranged and by 3 band of transverse-moving trolley
Dynamic blender 6 moves between stirring station at two, it is thus possible to realize that two sets of desulfurization stations share a set of agitating device, and laterally
Arrangement only takes up two stations, effectively saves space and equipment cost.And so that molten iron agitating device is flat with structure
Platform 2 detaches, and avoids the 2 shaking problem of structure platform caused by agitating device and structure platform 2 are rigidly connected.
Above-mentioned transverse-moving trolley 3, blender 6, elevating mechanism etc. have been described in above-described embodiment one, are omitted herein.
It is further preferred that such as Fig. 1, the both ends of the cross moving track are equipped with car bumper 21, are used for the transverse-moving trolley 3
Target operational position of the backstop in respective side.
It is further preferred that the cross sliding type molten iron stirring desulphurization system further includes charging mechanism, the charging mechanism includes：
Two fixed emission of baiting chute 42, the two fixed emission of baiting chute 42 are mounted on the structure platform 2 and difference
Close to the two stirring station node settings；
Mobile emission of baiting chute 41, is installed on the transverse-moving trolley 3, and with for the fixed emission of baiting chute 42
The docking structure of docking；
Feed unit, for being fed to the mobile emission of baiting chute 41.
The charging mechanism, feed unit concrete structure can refer to the related side in above-described embodiment one and embodiment two
Case no longer repeats one by one herein.
The structure for connecting above-mentioned cross sliding type molten iron stirring desulphurization system, in this desulphurization system, above-mentioned stirring station node
It is both stirring position, while is also position of skimming, a stirring station node stirring finishes, then this station node enters program of skimming,
Above-mentioned transverse-moving trolley 3 drives blender 6 to be laterally moved to another stirring station node stirring, repeatedly, keeps agitating device not busy
It sets.Then, it is preferable that between the two stirring station nodes be equipped with mucking machine, the mucking machine be connected with for drive its
Switch the first mucking machine driving mechanism skimmed between the two stirring station nodes, i.e., a set of mucking machine can be used for two stations
Take off slag operation, effectively save space and equipment cost.Slagging-off equipment commonly used in the art can be used in the mucking machine；It takes off
Slag machine driving mechanism preferably comprises the revolving platform being arranged between the two stirring station nodes, and the mucking machine is installed on institute
It states on revolving platform.Mucking machine can be driven to turn round by the revolving platform so that arm of skimming is corresponded to towards one of hot-metal bottle
The brachium direction of skim work or the arm of skimming of station is parallel with the above-mentioned defeated guide direction of tank railway line, the mucking machine
In standby position.
The structure of above-mentioned cross sliding type molten iron stirring desulphurization system is connected, in the prior art, five station of single-station and double vehicles
The structure platform of stirring desulphurization arrangement is multilayered structure, need to usually use steel construction, and to ensure structural strength, but it is flat
Platform rigidity is poor, construction cost is higher；And in the present embodiment, such as Fig. 1, above structure platform 2 is only with one layer of structure, therefore
Concrete platform is may be designed to, platform rigidity can be effectively increased, saves construction cost.
The working-flow of the present embodiment is：1/ hot-metal ladle and carriage 1 of molten iron tipping car loads ladle and runs to wherein one
Station node is stirred, the traversing so far stirring station node top of transverse-moving trolley 3, expansion joint 411 is stretched out so that mobile blanking chute
Pipe 41 is docked with corresponding fixed emission of baiting chute 42, and hoisting mechanism 34 drives the decline of blender 6 that stirring-head 61 is made to be inserted into iron
Designated depth is arrived in water, stirring motor 63 drives stirring-head 61 to rotate, when reaching charging rotating speed, the swing of fixed emission of baiting chute 42
Section 422, which is swung, reaches feed location, and lower hopper 51 is fed, desulfurizing agent is added in molten iron.After stirring, winch hoister
Structure 34 drives blender 6 to be promoted to 2 or more structure platform, retraction expansion joint 411, and transverse-moving trolley 3 drives blender 6 to another
Station moves, and prepares to handle another station molten iron.During molten iron non-feed, lower hopper 51 can stock up.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of split type blanking device, it is characterised in that：It is each described including mobile emission of baiting chute and multiple fixed emission of baiting chute
For being fixedly mounted at each corresponding discharge station, the mobile emission of baiting chute is connected with for driving it fixed emission of baiting chute
The mobile unit moved between each discharge station, the mobile emission of baiting chute have for the fixed emission of baiting chute
The docking structure of docking.
2. split type blanking device as described in claim 1, it is characterised in that：The docking structure includes being installed on the shifting
The expansion joint of dynamic emission of baiting chute bottom end.
3. split type blanking device as described in claim 1, it is characterised in that：Each fixed emission of baiting chute is that swing is slipped
Pipe, including fixed section and wobble segment, the fixed section are fixedly mounted at the corresponding discharge station, the wobble segment and institute
It states fixed section bottom end hingedly and articulated shaft is axially horizontal direction, the wobble segment is connected with the swing for driving it to swing up and down
Driving structure.
4. split type blanking device as claimed in claim 3, it is characterised in that：The swing drive structure includes having to stretch
The shell of the telescopic drive part of drive shaft, the telescopic drive part is rotatably connected on the fixed section, the telescopic drive
The telescopic propeller shaft of part is rotatably connected with the wobble segment, the rotation axis of all right one way or the other rotation connection structure with the articulated shaft axis
To parallel.
5. a kind of charging system suitable for molten iron stirring desulphurization, which is characterized in that including：
Split type blanking device according to any one of claims 1 to 4；
The feed unit for connecting with the mobile emission of baiting chute and being fed to it.
6. being suitable for the charging system of molten iron stirring desulphurization as claimed in claim 5, it is characterised in that：The feed unit packet
Lower hopper is included, the mobile emission of baiting chute is connect by rotary feeder with the lower hopper.
7. being suitable for the charging system of molten iron stirring desulphurization as claimed in claim 6, it is characterised in that：The feed unit is also
Conveying pipeline is fixed including movable conveying pipeline, workshop and feed bin, the movable conveying pipeline are movably disposed in workshop structure
On workshop structure beam above platform and conveying pipeline is fixed with the feeding mouth of the lower hopper and the workshop respectively to be connected to, it is described
Workshop is fixed conveying pipeline and is connect with the feed bin.
8. being suitable for the charging system of molten iron stirring desulphurization as claimed in claim 5, it is characterised in that：The mobile unit is
Transverse-moving trolley for driving blender to be run between each stirring station, the mobile emission of baiting chute are fixed on described traversing
Che Shang.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721639300.XU CN207727103U (en) | 2017-11-30 | 2017-11-30 | Split type blanking device and charging system suitable for molten iron stirring desulphurization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721639300.XU CN207727103U (en) | 2017-11-30 | 2017-11-30 | Split type blanking device and charging system suitable for molten iron stirring desulphurization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253913A (en) * | 2022-08-05 | 2022-11-01 | 常德市正邦建筑装饰材料有限公司 | Experimental reaction unit that uses of building engineering pigment preparation |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253913A (en) * | 2022-08-05 | 2022-11-01 | 常德市正邦建筑装饰材料有限公司 | Experimental reaction unit that uses of building engineering pigment preparation |
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