CN105880548A - Molten metal feeding opening for conveying molten metal from metallurgical container, device and method - Google Patents
Molten metal feeding opening for conveying molten metal from metallurgical container, device and method Download PDFInfo
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- CN105880548A CN105880548A CN201410707304.1A CN201410707304A CN105880548A CN 105880548 A CN105880548 A CN 105880548A CN 201410707304 A CN201410707304 A CN 201410707304A CN 105880548 A CN105880548 A CN 105880548A
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- pipe end
- filling pipe
- assembly
- clamping device
- plate
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Abstract
The invention relates to a molten metal feeding opening for conveying molten metal from a metallurgical container, a device and a method. The molten metal feeding opening is mounted on the clamping device and used for maintaining and replacing an interchangeable pouring nozzle. The molten metal feeding opening comprises a tubular part for determining a pouring basin channel, a plate for being in contact with a downstream component of the pouring basin channel, and a heat insulation assembly. The heat insulation assembly is arranged on the upper surface and/or lower surface of the plate after being dried. The invention further relates to the clamping device for clamping the molten metal feeding opening. The clamping device comprises a first movable part and a second movable part. The first movable part and the second movable part are operated through a braking mechanism, the first movable part and the second movable part are arranged to apply force in the vertical direction of the clamping device according to the operation of the braking mechanism, and therefore the molten metal feeding opening and a pouring nozzle exchange device are clamped. The heat insulation assembly is arranged on the surfaces/surface of the first movable part and/or the second movable part and arranged on the joint plane of the clamping device and the plate of the molten metal feeding opening. The invention further relates to the method adopting the device.
Description
Technical field
The present invention relates to casting of metals technical field, particularly relate to one and come from metallurgical tank for transmission
The filling pipe end of motlten metal and, device and method.
Background technology
In casting equipment, motlten metal is being transferred to a container, such as before crystallizer, motlten metal
It is usually contained in certain metallurgical tank, such as tundish.Motlten metal by from metallurgical tank via setting
Nozzle assembly bottom this metallurgical tank is transferred to crystallizer, and this nozzle assembly includes filling pipe end, water on this
Mouth is at least partially situated in metallurgical tank and is in close contact with the transmission plate that slides, and this slip transmission plate is positioned at
Below metallurgical tank and outside and by being arranged on the position for keeping and change plate below metallurgical tank
Device reaches to registrate with filling pipe end.This slip transmission plate can be calibration plate, including two or more plate
Cast tube or annelaing pot.Because the plate of all these type is all the part at the mouth of a river, this mouth of a river includes even
Receive the plate of the tubular portion varying depending on the application length, and from the valve used to them in addition
Difference, the such as valve gate in ladle, they are herein referred to as " slide gate nozzle ", " water steel
The mouth of a river ", " commutative stopper nozzle " or combinations thereof.Stopper nozzle can be used to transmission in being furnished with
The freedom of short tube is streamed, or is furnished with the motlten metal of the water conservancy diversion form of long, partially submerged cast tube.
Prior art discloses the pipe switch for casting equipment, for providing filling pipe end and slip
Close contact between the mouth of a river, for keep and change the pipe switch of stopper nozzle include clamping device and
Pressurizing unit, this clamping device is for the framework clamping filling pipe end of abutment means, and pressurizing unit is used for pressing up
On the plate of stopper nozzle, thus plate is pressed on filling pipe end, therefore obtains close contact.
Filling pipe end is a fixation kit during casting, and stopper nozzle can be by means of pipe during casting
Switch is replaced.
The plate of filling pipe end and stopper nozzle includes refractory material the most at least in part, exists in prior art
One have a problem in that: by clamping or pressurizing unit apply power tend to by stress concentrate be applied to fire proofed wood
On material, these stress is concentrated and may be destroyed fragile refractory material, and forms crackle or cause rupturing.
Present in prior art, another one problem is: the power applied by clamping or pressurizing unit is applied to fire-resistant
Time on material, under violent hot environment produce thermal stress can lure into equally refractory material along clamping or
The axis of pressurizing unit cracks or causes rupturing.
Summary of the invention
In view of this, it is an object of the invention to the heat conduction reducing between filling pipe end and pipe switch,
The present invention also aims to the stress distribution optimizing refractory material to extend the service life of refractory components.
In order to achieve the above object, the present invention proposes one and melts gold in metallurgical tank for transmitting to come from
The filling pipe end belonged to, filling pipe end comprises determining that the tubular portion (7) of cast conduit, and is used for and this pouring basin
The plate (5) of the components downstream contact in road, filling pipe end also includes: insulating assembly, and described insulating assembly is through overbaking
Upper surface and/or the lower surface of described plate (5) it is arranged at after Gan.
Wherein, during plate (5) of filling pipe end described in the gripping means grips in pipe switch, insulating assembly
It is arranged at the plane that the plate (5) of described filling pipe end engages with pipe switch.
Wherein, during plate (5) of filling pipe end described in the gripping means grips in pipe switch, insulating assembly
It is arranged at the plane that the plate (5) of described filling pipe end engages with the metal parts in described pipe switch.
Wherein, described insulating assembly is made up of the material of low coefficient of heat insulation, the material bag of described low coefficient of heat insulation
Include: zirconium oxide, aluminium oxide, silicon dioxide.
Wherein, the thickness of described insulating assembly is 0.5mm.
Wherein, described insulating assembly is additionally arranged at the sidewall of plate (5) of described filling pipe end.
Wherein, arranging lubrication assembly on described insulating assembly, described lubrication assembly is made up of graphite, described
Lubrication assembly thickness is 0.5mm.
The invention allows for a kind of mouth of a river clamping dress for filling pipe end being clamped to pouring nozzle exchanging device
Putting, filling pipe end includes the tubular portion (7) determining cast conduit, and one is laterally prolonged from tubular portion (7)
The plate (5) stretched；Clamping device includes the first moving part, and i.e. base plate (6), also includes the second moving part,
I.e. clamping screw (4), the first and second moving parts are operated by an arrestment mechanism, wherein, first and second
Moving part is arranged the operation according to arrestment mechanism and becomes along clamping device vertical direction applying power, so that
Obtain filling pipe end to clamp with pouring nozzle exchanging device, insulating assembly be set at described first and second moving parts,
Insulating assembly is arranged at, after drying, the plane that described clamping device engages with the plate (5) of described filling pipe end.
Wherein, the first and second moving parts are partly made of metal, and described insulating assembly is arranged at institute
State on the metal surface of the first and second moving parts, engage with the plate (5) of described filling pipe end.
Wherein, described insulating assembly is made up of the material of low coefficient of heat insulation, the material bag of described low coefficient of heat insulation
Include: zirconium oxide, aluminium oxide, silicon dioxide.
Wherein, the thickness of described insulating assembly is 0.5mm.
Wherein, arranging lubrication assembly on described insulating assembly, described lubrication assembly is arranged at and clamping device
Engaging, described lubrication assembly is made up of graphite, and described lubrication assembly thickness is 0.5mm.
The invention still further relates to a kind of insulating assembly, insulating assembly is arranged at the joint of filling pipe end and clamping device
At face, insulating assembly is made up of the material of low coefficient of heat insulation.
Wherein, described heat-barrier material is made up of zirconium oxide.
Wherein, during described insulating assembly is additionally arranged at plate (5) and the described pipe switch of described filling pipe end
At the plane that metal parts engages.
Wherein, described insulating assembly is arranged on the side of the plate (5) of described filling pipe end, with described clamping device
Engage.
Wherein, insulating assembly is shim form or paste form, uniform fold described clamping device with on
The position that the mouth of a river engages, its thickness is: 0.1 to 2mm.It is preferably 0.5mm to 1mm, more preferably
Ground is 0.5mm.
The invention still further relates to a kind of lubrication assembly, lubrication assembly is arranged at the composition surface of filling pipe end and clamping device,
Lubrication assembly is made up of graphite.Its thickness is: 0.1 to 2mm.It is preferably 0.5mm to 1mm, more
It is preferably 0.5mm.
Wherein, described lubrication assembly is shim form or paste form, uniform fold pipe switch with
The position that filling pipe end engages.
The invention still further relates to a kind of method using clamping device to fix filling pipe end, described filling pipe end includes:
Determine the tubular portion (7) of cast conduit, with for the plate (5) that contacts with the components downstream of this cast conduit,
Described gripping apparatus grips device includes the first moving part, and i.e. base plate (6), also includes the second moving part,
I.e. clamping screw (4), described first and second moving parts are operated by an arrestment mechanism, and wherein first and
Two moving parts are arranged the operation according to arrestment mechanism and become along clamping device vertical direction applying power, thus
Described filling pipe end is clamped with described pouring nozzle exchanging device, and described method includes:
It is dried insulating assembly；
Place insulating assembly in the plate (5) being used for contacting with the components downstream of described cast conduit of described filling pipe end
Upper surface and/or lower surface；
Operating the arrestment mechanism of described clamping device, described first and second moving parts are according to arrestment mechanism
Operate into the power applied by arrestment mechanism along clamping device vertical direction, clamp described filling pipe end.
Wherein, described method also includes: after being dried insulating assembly, arranges same dried lubrication assembly and exists
On described insulating assembly, described insulating assembly and lubrication assembly be arranged at described filling pipe end for described
Plate (5) upper surface of the components downstream contact of cast conduit and/or lower surface.
The invention still further relates to a kind of method using clamping device to fix filling pipe end, described filling pipe end includes:
Determine the tubular portion (7) of cast conduit, with for the plate (5) that contacts with the components downstream of this cast conduit,
Described gripping apparatus grips device includes the first moving part, and i.e. base plate (6), also includes the second moving part,
I.e. clamping screw (4), described first and second moving parts are operated by an arrestment mechanism, and wherein first and
Two moving parts are arranged the operation according to arrestment mechanism and become along clamping device vertical direction applying power, thus
Described filling pipe end is clamped with described pouring nozzle exchanging device, and described method includes:
It is dried insulating assembly；
Place insulating assembly on first and/or Part II surface of described clamping device；
Operating the arrestment mechanism of described clamping device, described first and second moving parts are according to arrestment mechanism
Operate into the power applied by arrestment mechanism along clamping device vertical direction, clamp described filling pipe end.
Wherein, described method also includes: after being dried insulating assembly, arranges same dried lubrication assembly and exists
On described insulating assembly, described insulating assembly and lubrication assembly be arranged at described clamping device first and/
Or on Part II surface.
By proposed by the invention with insulating assembly and/or the filling pipe end of lubrication assembly and pipe exchange dress
The clamping device put so that clamping device clamp filling pipe end time, violent hot environment the heat caused
Can not arbitrarily conduct to clamping device so that in the plate of filling pipe end, the impact of thermal stress weakens, and reduces
The generation of crackle in plate, it is therefore prevented that rupturing of plate.Present invention improves in prior art because thermal stress and
The power that clamping device applies is concentrated and is applied on filling pipe end plate the crackle caused and the problem ruptured.
Accompanying drawing explanation
In order to be better understood from the present invention, it is situated between below with reference to the accompanying drawing representing specific embodiment of the present invention
Continuing, this embodiment is not intended that limitation of the present invention, in the drawings, wherein:
Fig. 1 is that the clamping device of pipe switch accommodates the profile of filling pipe end according in prior art；
When Fig. 2 is clamping device blessing filling pipe end according to a first embodiment of the present invention, heat conduction orientation
Schematic diagram；
Fig. 3 is to arrange cuing open of insulating assembly during gripping apparatus grips filling pipe end according to a first embodiment of the present invention
Face schematic diagram；
Fig. 4 is according in prior art, the direction of the power applied during gripping apparatus grips filling pipe end, and
According to the power in the direction applied, the direction schematic diagram of produced pressure on filling pipe end；
Fig. 5 is to arrange cuing open of lubrication assembly during gripping apparatus grips filling pipe end according to a second embodiment of the present invention
Face schematic diagram；
When Fig. 6 is gripping apparatus grips filling pipe end according to a third embodiment of the present invention, arrange heat insulation group simultaneously
Part and the generalized section of lubrication assembly.
Detailed description of the invention
The technical solution of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
The embodiment of the present invention propose a kind of for casting be contained in metallurgical tank motlten metal filling pipe end and
Clamping device.
Fig. 1 shows and is arranged on the filling pipe end of (not shown in figure 1) and a kind of pipe exchange bottom metallurgical tank
The cooperation schematic diagram of the clamping device in device.This pipe switch is used for keeping and change and commutative waters molten steel
Mouthful, described commutative stopper nozzle comes from the motlten metal of metallurgical tank, this pipe switch for cast
Including having the framework 3 pouring into a mould opening, described framework 3 is used for being fixed on below described metallurgical tank and comprising
At the Part I that sectional median plane engages, i.e. clamping device, for accommodating the supporting surface of filling pipe end and watering
It is held in place by steel position relative to the support zone of described framework, and Part II, i.e. pressurizing unit (figure
Not shown in 1), for by described commutative stopper nozzle first towards described framework when its pouring position
The direction extruding divided, described sectional median plane defines that filling pipe end and commutative stopper nozzle form sliding contact
Plane.When needing to be replaced owing to damaging when tradable stopper nozzle, will by described pressurizing unit
Commutative stopper nozzle releases working position, next stopper nozzle substitute.
As shown in fig. 1, filling pipe end 1 comprises a tubular portion 7, and one from tubular portion horizontal expansion
Plate 5, this plate 5 fixed by clamping device (only illustrating the framework 3 of clamping device in figure), clamping dress
Putting and include a framework 3, this framework 3 is for the plate 5 accommodated with fix this filling pipe end 1, and then is clamped
This filling pipe end 1.One clamping screw 4 is arranged at the upper surface of this clamping device framework 3 inwards, this locking
Bolt 4 can be adjusted according to the size of clamping object, preferably to clamp object.The framework of clamping device
3 include a plate 6, when clamping device framework 3 clamps this filling pipe end 1, and this plate 6 and the plate 5 of this filling pipe end
Fluid-tight engagement.This clamping device includes partly refractory material, clamping screw 4 and the framework 3 of clamping device
Plate 6 be all made up of metal material, usually steel material.The plate 5 of filling pipe end 1 wraps at least in part
Include refractory material, the plate 6 of the clamping screw of steel 4 and the framework 3 of clamping device with include refractory material
The plate 5 of filling pipe end 1 fluid-tight engagement under clamp position.
As in figure 2 it is shown, the upper and lower surface of clamping device includes large-area metal material, such as clamping screw 4
With the plate 6 of the framework 3 of clamping device, and metal material is the good conductor of heat.At motlten metal (steel stream)
Casting process in, molten steel along tubular portion 7 from the metallurgical tank of upstream, if tundish is by water on this
Mouth 1 enters into the metallurgical tank in downstream, in crystallizer.What in whole casting process, receiving steel stream passed through is upper
The operating temperature at the mouth of a river 1 is the highest, generally reaches about 2000 DEG C.Plate 5 fluid-tight engagement with filling pipe end 1
The framework 3 of clamping device be also subjected to high temperature.Fig. 2 shows that heat fills in the clamping of plate 5 fluid-tight engagement
The direction (along the direction of arrow) of the framework 3 junction diffusion put, it can be seen that heat is along clamping dress
The direction diffusion at the metal parts place of the framework 3 put.The power that clamping device applies, is applied to filling pipe end 1
Power on plate 5 uneven, and because the uneven diffusion of heat, the plate 5 of filling pipe end 1 all can be caused
Produce uneven uncontrollable thermal stress, and then can cause cracking on the plate 5 of filling pipe end 1, and then
Cause rupturing of plate 5.Through observing, crackle produces the clamping direction generally along clamping device.
Fig. 3 shows the first embodiment of the present invention, in order to improve filling pipe end 1 in steel stream casting process
Plate 5 is in issuable crackle under held stationary state, and a kind of insulating assembly is devised for improving
This problem.As it is shown on figure 3, insulating assembly 9 is arranged at the medial wall and up and down of the framework 3 of clamping device
On the composition surface of the plate 5 of inner surface and filling pipe end 1.As Fig. 3 shows, insulating assembly 9 can individually and
The position 1 ' that the plate 6 of the plate 5 and clamping framework 3 that are arranged at filling pipe end 1 fully engages, filling pipe end 1
The vertical position 3 ' of plate 5 and clamping framework 3 engagement sides, and the plate 5 of filling pipe end 1 and clamping framework 3
The position 2 ' of upper surface plane engagement inwards.Wherein position 1 ', 2 ' is the upper water comprising refractory material
The position that the plate 5 of mouth 1 engages with the plate 6 of metal material clamping screw 4 with clamping framework 3, is i.e. fire-resistant
The position that material contacts with metal material.Position 3 ' is by the medial wall of the clamping framework 3 comprising refractory material
With the position of the engagement sides of the plate 5 of the filling pipe end 1 comprising refractory material, it is i.e. refractory material and fire proofed wood
The position of material contact.Before use, hair-dryer is used to be dried by insulating assembly 9, afterwards by heat insulation group in advance
Part 9 spreads upon on the plate 6 of clamping framework 3 in advance, is i.e. the position 1 ' that will engage with the plate 6 of filling pipe end 1,
Can also optionally insulating assembly 9 be spread upon in advance the filling pipe end 1 that engages with clamping screw 4 simultaneously
On plate 5 (i.e. position 2 '), or insulating assembly 9 is spread upon will connect with the medial wall of clamping framework 3 in advance
On plate 5 side of the filling pipe end 1 closed (i.e. position 3 ').
This insulating assembly can be separately used in position 1 ', on 2 ' or 3 ', it is also possible to simultaneously in these three portions
Position uses.This insulating assembly is preset at this three positions with shim form, and the thickness of pad is: 0.1 to 2mm,
It is preferably: 0.5mm to 1mm, the most preferably 0.5mm.Can also be with the form of pastel
Spread upon this three positions.This insulating assembly is mainly made up of the material possessing low coefficient of heat insulation, including: oxygen
Change zirconium, or aluminium oxide, or silicon dioxide, it is therefore preferable to zirconium oxide.
Use insulating assembly, completely cut off filling pipe end 1 and contacted with the direct of clamping device, efficiently controlled heat
The conduction of amount, and then prevent from filling pipe end 1 and plate 5 produce uneven thermal stress, control the product of crackle
Raw.
The most according to the second embodiment of the present invention: clamping framework 3 is by from shown A side
To and A ' direction apply power between plate 6 and the clamping screw 4 of clamping framework 3, clamp the plate of filling pipe end 1
5, and then fix filling pipe end 1, prevent filling pipe end along any movement on A, A ' and B direction.Folder
The power holding device applying tends to concentrating stress being applied on refractory material, and these stress concentrates possible destruction crisp
Weak refractory material, causes rupturing of crackle or even plate 6.As it is shown in figure 5, at the clamping screw of steel
44 ' the positions engaged with the plate 5 of filling pipe end 1, and/or the plate 6 of the framework 3 of clamping device and filling pipe end 1
Plate 5 engage position 5 ' place place lubrication assembly, this lubrication assembly is mainly made up of graphite, can with pad
The form of sheet or pastel is placed on 4 ' and 5 ' positions.The thickness of this pad or pastel is 0.1 to 2mm,
It is preferably: 0.5mm to 1mm, the most preferably 0.5mm.
Before using lubrication assembly, hair-dryer is used to be dried by lubrication assembly, by lubrication assembly in advance afterwards in advance
Place or spread upon on the plate 6 of clamping framework 3, or place or spread upon upper with what clamping screw 4 engaged
The upper surface of the plate 6 at the mouth of a river 1.
By this lubrication assembly, it is to avoid the filling pipe end 1 comprising refractory material with comprise metal parts (steel)
Clamping device directly engage, so make clamping framework 3 by executing from shown A direction and A ' direction
It is added in the power on filling pipe end 1 plate 5, it is allowed to have certain one-movement-freedom-degree in directionb, it is therefore prevented that clamping
The power that device applies tends to stress is concentrated the fire proofed wood concentrating destruction fragility being applied to cause on refractory material
Material.
The position 1 ' that the plate 5 of the filling pipe end 1 in Fig. 3 engages with the plate 6 of clamping framework 3, filling pipe end 1
The vertical position 3 ' of plate 5 and clamping framework 3 engagement sides, and the plate 5 of filling pipe end 1 and clamping framework 3
Upper surface plane engagement inwards position 2 ' in be provided with insulating assembly, clamping screw in Figure 5
44 ' the positions engaged with the plate 5 of filling pipe end 1, the plate 6 of the framework 3 of clamping device and the plate 5 of filling pipe end 1
The position 5 ' engaged placed lubrication assembly.Fig. 6 shows the embodiment three combining both the above technical scheme.
As shown in Figure 6, the position 6 ' (1 ', 4 ', 6 ' engaged with the plate 6 of clamping framework 3 at the plate 5 of filling pipe end 1
For same position), and/or the plane engagement that the upper surface of the plate 5 of filling pipe end 1 and clamping framework 3 is inwards
Position 7 ' (2 ', 5 ', 7 ' is same position) place, place ground floor insulating assembly, simultaneously this first every
Second layer lubrication assembly is placed on hot assembly surface.Insulating assembly is placed on the plate of filling pipe end 1 as ground floor
On 5, lubrication assembly is placed on insulating assembly, engages with the framework 3 of clamping device 2.Preferably, every
Hot assembly is made up of zirconium oxide, and lubrication assembly is made up of graphite, and insulating assembly and lubrication assembly can be pad
Form or the form of pastel, thickness is respectively as follows: insulating assembly: 0.1-2mm；Lubrication assembly: 01.-2mm,
Preferably insulating assembly: 0.5-1mm；Lubrication assembly: 0.5-1mm, more preferably: insulating assembly:
0.5mm；Lubrication assembly: 0.5mm.Before using double-layer assembly (insulating assembly and lubrication assembly),
Using hair-dryer to dry both, first insulating assembly arranges or is applied in re-spective engagement face, and then lubrication afterwards
Assembly arranges or is applied on insulating assembly.
Use the form of double-layer assembly, on the one hand reduce heat by insulating assembly and be delivered to from filling pipe end 1
The conduction of clamping device, prevents the uneven infringement to refractory material caused of thermal stress, simultaneously by lubrication
Assembly makes there is certain one-movement-freedom-degree in directionb, it is to avoid the power that clamping device applies tends to should
Power concentrates the refractory material concentrating destruction fragility being applied to cause on refractory material.
The embodiment of the present invention additionally provides a kind of method using clamping device to fix filling pipe end, described filling pipe end
Comprise determining that the tubular portion (7) of cast conduit, with for contacting with the components downstream of this cast conduit
Plate (5), described gripping apparatus grips device includes the first moving part, and i.e. base plate (6), also includes second
Moving part, i.e. clamping screw (4), described first and second moving parts are operated by an arrestment mechanism, its
In the first and second moving parts be arranged the operation according to arrestment mechanism and become and execute along clamping device vertical direction
Reinforcing, so that described filling pipe end clamps with described pouring nozzle exchanging device, described method includes:
It is dried insulating assembly；
Place insulating assembly in the plate (5) being used for contacting with the components downstream of described cast conduit of described filling pipe end
Upper surface and/or lower surface；
Operating the arrestment mechanism of described clamping device, described first and second moving parts are according to arrestment mechanism
Operate into the power applied by arrestment mechanism along clamping device vertical direction, clamp described filling pipe end.
Wherein, described method also includes: after being dried insulating assembly, arranges same dried lubrication assembly and exists
On described insulating assembly, described insulating assembly and lubrication assembly be arranged at described filling pipe end for described
Plate (5) upper surface of the components downstream contact of cast conduit and/or lower surface.
The embodiment of the present invention additionally provides the another kind of method using clamping device to fix filling pipe end, described upper water
Mouth comprises determining that the tubular portion (7) of cast conduit, with for contacting with the components downstream of this cast conduit
Plate (5), described gripping apparatus grips device includes the first moving part, i.e. base plate (6), also includes
Two moving parts, i.e. clamping screw (4), described first and second moving parts are operated by an arrestment mechanism,
Wherein the first and second moving parts are arranged the operation according to arrestment mechanism and become along clamping device vertical direction
Applying power, so that described filling pipe end clamps with described pouring nozzle exchanging device, described method includes:
It is dried insulating assembly；
Place insulating assembly on first and/or Part II surface of described clamping device；
Operating the arrestment mechanism of described clamping device, described first and second moving parts are according to arrestment mechanism
Operate into the power applied by arrestment mechanism along clamping device vertical direction, clamp described filling pipe end.
Wherein, described method also includes: after being dried insulating assembly, arranges same dried lubrication assembly and exists
On described insulating assembly, described insulating assembly and lubrication assembly be arranged at described clamping device first and/
Or on Part II surface.
By implementing the embodiment of the present invention so that clamping device is when clamping filling pipe end, by violent high temperature ring
The heat that border causes can not arbitrarily conduct to clamping device so that the impact of thermal stress in the plate of filling pipe end
Weaken, reduce the generation of crackle in plate, it is therefore prevented that rupturing of plate.Present invention improves in prior art because of
The power that applies for thermal stress and clamping device is concentrated the crackle being applied on filling pipe end plate cause and ruptures
Problem.
The above, only presently preferred embodiments of the present invention, it is not intended to limit the protection model of the present invention
Enclose.
Claims (26)
1. come from a filling pipe end for motlten metal in metallurgical tank for transmission, comprise determining that pouring basin
The tubular portion (7) in road, with the plate (5) for contacting with the components downstream of this cast conduit, its feature exists
In, also including: insulating assembly, described insulating assembly is arranged at the upper surface of described plate (5) after drying
And/or lower surface.
Filling pipe end the most according to claim 1, it is characterised in that when the clamping in pipe switch fills
When putting plate (5) clamping described filling pipe end, described insulating assembly is arranged at the plate (5) of described filling pipe end
The plane engaged with pipe switch.
Filling pipe end the most according to claim 2, it is characterised in that the folder in described pipe switch
When holding plate (5) that device clamps described filling pipe end, described insulating assembly is arranged at the plate of described filling pipe end
(5) plane engaged with the metal parts in described pipe switch.
Filling pipe end the most as claimed in any of claims 1 to 3, it is characterised in that described heat insulation
Assembly is made up of the material of low coefficient of heat insulation,
The material of described low coefficient of heat insulation includes: zirconium oxide, aluminium oxide, silicon dioxide.
Filling pipe end the most according to claim 4, it is characterised in that the thickness of described insulating assembly is
0.5mm。
Filling pipe end the most as claimed in any of claims 1 to 3, it is characterised in that described heat insulation
Assembly is additionally arranged at the sidewall of the plate (5) of described filling pipe end.
Filling pipe end the most as claimed in any of claims 1 to 3, it is characterised in that described every
Arranging lubrication assembly on hot assembly, described lubrication assembly is made up of graphite, and described lubrication assembly thickness is 0.5mm.
8. for filling pipe end being clamped to a device for clamping water inlet for pouring nozzle exchanging device, this filling pipe end
Including determining the tubular portion (7) of cast conduit, and one from the plate (5) of tubular portion (7) horizontal expansion；
Described clamping device includes the first moving part, and i.e. base plate (6), also includes the second moving part, i.e. lock
Bolt (4), described first and second moving parts are operated by an arrestment mechanism, and wherein, first and second can
Dynamic part is arranged the operation according to arrestment mechanism and becomes along clamping device vertical direction applying power, so that
Described filling pipe end clamps with described pouring nozzle exchanging device, it is characterised in that: can described first and second
Dynamic part arranges insulating assembly, described insulating assembly through drying after be arranged at described clamping device with described on
The plane that the plate (5) at the mouth of a river engages.
Clamping device the most according to claim 8, it is characterised in that described first and second movable parts
Partially being made of metal, described insulating assembly is arranged at the metal of described first and second moving parts
On surface, engage with the plate (5) of described filling pipe end.
Clamping device the most according to claim 8 or claim 9, it is characterised in that described insulating assembly by
The material of low coefficient of heat insulation is constituted,
The material of described low coefficient of heat insulation includes: zirconium oxide, aluminium oxide, silicon dioxide.
11. clamping devices according to claim 10, it is characterised in that the thickness of described insulating assembly
For 0.5mm.
12. clamping devices according to claim 8 or claim 9, it is characterised in that at described insulating assembly
On lubrication assembly is set, described lubrication assembly is arranged at and engages with clamping device, and described lubrication assembly is by graphite
Constituting, described lubrication assembly thickness is 0.5mm.
13. 1 kinds of insulating assemblies, are arranged at the composition surface of filling pipe end and clamping device, it is characterised in that
Described insulating assembly is made up of the material of low coefficient of heat insulation.
14. insulating assemblies according to claim 13, it is characterised in that described heat-barrier material is by aoxidizing
Zirconium forms.
15. insulating assemblies according to claim 13, it is characterised in that described insulating assembly also sets up
At the plane that the plate (5) of described filling pipe end engages with the metal parts in described pipe switch.
16. insulating assemblies according to claim 15, it is characterised in that described insulating assembly is arranged on
The side of the plate (5) of described filling pipe end, engages with described clamping device.
17. according to the insulating assembly described in any one in claim 13 to 15, it is characterised in that every
Hot assembly is shim form or paste form, the portion that uniform fold engages with filling pipe end at described clamping device
Position, the thickness of described insulating assembly is: 0.1 to 2mm.
18. insulating assemblies according to claim 17, it is characterised in that the thickness of described insulating assembly
For: 0.5 to 1mm.
19. 1 kinds of lubrication assemblies, are arranged at the composition surface of filling pipe end and clamping device, it is characterised in that institute
State lubrication assembly to be made up of graphite.
20. lubrication assemblies according to claim 8, it is characterised in that described lubrication assembly is pad
Form or paste form, the position that uniform fold engages with filling pipe end at pipe switch, described lubrication group
The thickness of part is: 0.1 to 2mm.
21. lubrication assemblies according to claim 20, it is characterised in that the thickness of described lubrication assembly
For: 0.5 to 1mm.
22. lubrication assemblies according to claim 21, it is characterised in that the thickness of described lubrication assembly
For: 0.5mm.
23. 1 kinds use the method that filling pipe end fixed by clamping device, described filling pipe end to comprise determining that pouring basin
The tubular portion (7) in road, with the plate (5) for contacting with the components downstream of this cast conduit, described clamping
Device clamping device includes the first moving part, and i.e. base plate (6), also includes the second moving part, i.e. lock
Bolt (4), described first and second moving parts are operated by an arrestment mechanism, and wherein first and second is movable
Part is arranged the operation according to arrestment mechanism and becomes along clamping device vertical direction applying power, so that institute
Stating filling pipe end to clamp with described pouring nozzle exchanging device, described method includes:
It is dried insulating assembly；
Place insulating assembly in the plate (5) being used for contacting with the components downstream of described cast conduit of described filling pipe end
Upper surface and/or lower surface；
Operating the arrestment mechanism of described clamping device, described first and second moving parts are according to arrestment mechanism
Operate into the power applied by arrestment mechanism along clamping device vertical direction, clamp described filling pipe end.
24. methods according to claim 23, it is characterised in that described method also includes:
It is dried after insulating assembly, same dried lubrication assembly is set on described insulating assembly, described
Insulating assembly be arranged at lubrication assembly described filling pipe end for contacting with the components downstream of described cast conduit
Plate (5) upper surface and/or lower surface.
25. 1 kinds use the method that filling pipe end fixed by clamping device, described filling pipe end to comprise determining that pouring basin
The tubular portion (7) in road, with the plate (5) for contacting with the components downstream of this cast conduit, described clamping
Device clamping device includes the first moving part, and i.e. base plate (6), also includes the second moving part, i.e. lock
Bolt (4), described first and second moving parts are operated by an arrestment mechanism, and wherein first and second is movable
Part is arranged the operation according to arrestment mechanism and becomes along clamping device vertical direction applying power, so that institute
Stating filling pipe end to clamp with described pouring nozzle exchanging device, described method includes:
It is dried insulating assembly；
Place insulating assembly on first and/or Part II surface of described clamping device；
Operating the arrestment mechanism of described clamping device, described first and second moving parts are according to arrestment mechanism
Operate into the power applied by arrestment mechanism along clamping device vertical direction, clamp described filling pipe end.
26. methods according to claim 25, it is characterised in that described method also includes:
It is dried after insulating assembly, same dried lubrication assembly is set on described insulating assembly, described
Insulating assembly and lubrication assembly are arranged on first and/or Part II surface of described clamping device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410707304.1A CN105880548B (en) | 2014-11-24 | 2014-11-24 | It is used for transmission the filling pipe end of molten metal, device and method in metallurgical tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410707304.1A CN105880548B (en) | 2014-11-24 | 2014-11-24 | It is used for transmission the filling pipe end of molten metal, device and method in metallurgical tank |
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| CN105880548B CN105880548B (en) | 2019-09-03 |
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|---|---|
| CN105880548B (en) | 2019-09-03 |
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