CN108624832A - Inhibit and remove zinc gray device in hot galvanizing furnace nose - Google Patents
Inhibit and remove zinc gray device in hot galvanizing furnace nose Download PDFInfo
- Publication number
- CN108624832A CN108624832A CN201810752871.7A CN201810752871A CN108624832A CN 108624832 A CN108624832 A CN 108624832A CN 201810752871 A CN201810752871 A CN 201810752871A CN 108624832 A CN108624832 A CN 108624832A
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- Prior art keywords
- nose
- stove
- zinc
- riser
- overflow launder
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention discloses inhibit and remove zinc gray device in a kind of hot galvanizing furnace nose, it include the flat drum shape stove nose being in tilted layout along steel band direction of travel, zinc liquid is immersed in the lower end of the stove nose, deashing nozzle is installed in the epipleural of the stove nose, the lower edge that the deashing nozzle sprays into air-flow covers the intersection of steel band and zinc liquid liquid level;Overflow launder riser is equipped in the lower end of the stove nose, the upper end of the overflow launder riser is flushed with zinc liquid liquid level, and the overflow launder of upper end opening is formed between the overflow launder riser and the lower end of stove nose epipleural;Further include the suction ash pump being located at except the stove nose, the suction ash pump is communicated with pumping intake piping and pump discharge pipe, and the pumping intake piping is connected to the bottom of the overflow launder, and the pump discharge pipe is connected to the zinc liquid except the stove nose.To restrained effectively the generation of zinc gray in hot galvanizing furnace nose, influence of the zinc gray to steel band galvanizing quality is reduced.
Description
Technical field
The present invention relates to not influencing with molten state cladding material and the or immersion of shape and its apparatus field used,
More particularly to inhibition in a kind of hot galvanizing furnace nose and remove zinc gray device.
Background technology
Currently, galvanized sheet is to continue through galvanizing zinc with cold rolled sheet to realize, for zinc liquid in zinc pot, steel band is entering zinc
It to be made annealing treatment in continuous annealing furnace before pot, annealing furnace is closed, and furnace atmosphere is 95% nitrogen and 5% hydrogen,
It is also that same atmosphere sealing enters that steel band, which will enter zinc pot, is thus formed as the boot segment of nose shape enters zinc pot, shape
The title stove nose of elephant.The fusing point of zinc is 419.53 DEG C, and for the temperature general control of liquid zinc of zinc pot at 460 DEG C, steel band enters zinc pot
Temperature is also controlled at 460 DEG C or so, has the evaporation of zinc liquid in stove nose in this way, and zinc fume, which rises, encounters cold furnace wall condensation
Form zinc gray, although ambiance is inert, but substances such as oxygen and iron powder for having denier in stove, can and part zinc gray shape
At complicated oxide, zinc gray, which deposits to certain thickness, to fall off from stove nose inner wall, especially when steel band fluctuation of service is trembled
It is easier to fall when dynamic, if be attached on steel band, fragmentary area moist variation on steel band is caused to cause steel band plating leakage, or
Cause the quality accidents such as zinc gray dreg defect, it can be seen that zinc gray inhibits in stove nose and remove device is very important and sets
It is standby, affect zinc-plated quality.
Invention content
The invention is intended to provide inhibition in hot galvanizing furnace nose and remove zinc gray device, to inhibit zinc in hot galvanizing furnace nose
The generation of ash reduces influence of the zinc gray to steel band galvanizing quality.
In order to achieve the above objectives, basic technology scheme of the invention is as follows:Inhibit and remove zinc gray in hot galvanizing furnace nose
Device includes the flat drum shape stove nose being in tilted layout along steel band direction of travel, and zinc liquid is immersed in the lower end of stove nose, in stove nose
Epipleural is equipped with deashing nozzle, and the lower edge that deashing nozzle sprays into air-flow covers the intersection of steel band and zinc liquid liquid level;In stove
Overflow launder riser is equipped in the lower end of nose, the upper end of overflow launder riser is flushed with zinc liquid liquid level, in overflow launder riser and stove nose
The overflow launder of upper end opening is formed between the lower end of sub- epipleural;Further include the suction ash pump being located at except stove nose, inhales ash pump and connect
It is connected with pumping intake piping and pump discharge pipe, pumping intake piping is connected to the bottom of overflow launder, pump discharge pipe and the zinc liquid except stove nose
Connection.
The principle of this programme is, in hot galvanizing process the inclination of stove nose be inserted in the zinc liquid in zinc pot, steel band is from stove
The inside of nose passes through, and sprays into the furnace atmosphere of humidification in deashing nozzle, the furnace atmosphere of humidification be sprayed on the upper surface of steel band with
And the intersection of steel band and zinc liquid liquid level, cooling protection on the one hand is carried out containing the zinc liquid that wet gas pair is contacted with steel band, is inhibited
The generation of zinc fume, and then zinc fume is avoided to condense to form zinc gray in stove nose inner wall surface, on the other hand, even if in stove nose
Zinc liquid evaporated at a high temperature of steel band after form zinc fume, but zinc fume encounters the air-flow of deashing nozzle ejection, and zinc steams
Vapour is not easy to rise under the sweeping along of air-flow and condense on stove nose inner wall, and the air-flow for being covered in steel band and zinc liquid surface passes through steel band
Reflection will be attached to the zinc gray of steel strip surface and float on the zinc gray on zinc liquid surface or impurity blows to overflow launder, ensure steel strip surface and
The liquid level that steel band enters zinc liquid is purged totally by reflected gas stream, ensures that steel band touches clean zinc liquid.Containing in overflow launder
The zinc liquid of zinc gray and other impurities is discharged to the zinc liquid outside stove nose under the action of inhaling ash pump by pumping intake piping, pump discharge pipe
In.Zinc fume due to being only located at the zinc liquid generation above steel band, which can just condense on stove nose inner wall, generates zinc gray, just meeting
There is the problem fallen on steel band, even and if the zinc liquid below steel band condenses in the stove nose below steel band after generating zinc fume
The surface of steel band will not be impacted on inner wall, therefore zinc gray in hot galvanizing furnace nose can effectively be inhibited by this programme
Generate the attachment with steel strip surface zinc gray.
Further, first baffle is installed on the inside of stove nose epipleural, first baffle is located at the top of deashing nozzle,
And the upper end of first baffle and the epipleural of stove nose are fixed.The air-flow that first baffle can rise lower section is arranged to limit
System is allowed to form turbulent flow, purging effort of the ascending air to stove nose inner wall is reduced, to be further reduced on stove nose inner wall
Falling for condensation zinc gray, ensures the cleaning of steel strip surface.
Further, the centerline parallel of the plate face of first baffle and deashing nozzle.Setting is so that first baffle will not in this way
The air-flow sprayed to deashing nozzle causes to stop, can be oriented to instead to the air-flow of deashing nozzle ejection, air-flow is made to blow to steel
The junction of band, zinc liquid surface and steel band and zinc liquid so that air-flow can will be attached to the zinc gray and zinc liquid table of steel strip surface
In the impurities purging to overflow launder in face.
Further, the upper end of overflow launder riser is in the plane flushed with zinc liquid liquid level, and the plane of overflow launder riser upper end is wide
1-2mm.The top margin of overflow launder riser is parallel with zinc liquid liquid level when setting to use in this way, without notch, does not tilt so that
The zinc gray on zinc liquid surface is more easy to enter in overflow launder, and can avoid excessive zinc liquid and enter overflow launder;Hold level with both hands on overflow launder riser
It is agglomerating that the width restriction in face enables zinc liquid and zinc gray not smoothly to be bonded on overflow launder riser again into overflow launder, more
Be conducive to the zinc liquid containing impurity and enter overflow launder.
Further, overflow launder riser is detachably connected on stove nose.Overflow launder riser upper plane and straightness are clear
Except the important link of zinc gray, the straightness of plane better the easy to be parallel with liquid level, and the effect for removing zinc gray is better, due to overflow
Slot riser is in high temperature for a long time to work, and is also easy to produce thermal deformation, be unfavorable for after deformation remove zinc gray, deformation to a certain extent if
Be it is integrated just need replacing stove nose, using this overflow launder riser being detachably connected, deformation can when cannot seriously use
To rechange one piece, the service life of stove nose is made to improve four times or more.
Further, collecting tank riser is additionally provided in stove nose, the upper end of collecting tank riser is higher by the liquid level of zinc liquid, is receiving
Collect the collecting tank that upper end opening is formed between slot riser and the lower end of stove nose lower side panel.Setting can be right by collecting tank in this way
Zinc fume and zinc gray below steel band are collected, and steel is attached to after avoiding zinc gray from accumulating in the stove nose below steel band
The lower surface of band influences the quality of zinc for hot galvanizing of steel band, since collecting tank riser upper end is higher by zinc liquid liquid level, without zinc in collecting tank
Liquid, and the capacity of collecting tank is big, clears up the zinc gray in collecting tank again when stove nose is offline.
Further, the air inlet spray head supplied in oriented stove nose is installed on the lower side panel of stove nose.Air inlet is set in this way
Nozzle can provide furnace atmosphere into stove nose, ensure that the steel band in stove nose is in stable furnace atmosphere, and by into
Gas nozzle purges the lower surface of steel band, ensures and keeps clean when steel band lower surface enters zinc liquid.
Further, second baffle is installed on the inside of stove nose lower side panel, second baffle is located at the top of air inlet spray head,
And the upper end of second baffle and the lower side panel of stove nose are fixed.Setting second baffle in this way can be to the rising gas below steel band
Stream carries out limitation and is allowed to the purging effort to form turbulent flow reduction to stove nose inner wall.
Further, it is connected with flange in the arrival end of stove nose.Stove nose is made to use process as flange is preferably provided with
In can disintegrate from flange face, convenient for stove nose carry out or replace
Advantageous effect:1, by the way that nozzle is arranged and is passed through to the intersection of the upper surface of steel band and steel band and zinc liquid liquid level
Containing wet furnace atmosphere, zinc liquid can be effectively inhibited to form zinc fume at a high temperature of steel band, and then inhibit the generation of zinc gray;2、
The intersection of setting by nozzle and the upper surface to steel band and steel band and zinc liquid liquid level is passed through containing wet furnace atmosphere, energy
It is enough that gas flow purging is carried out to the surface of steel band and the surface of zinc liquid, ensure clean into the steel strip surface of zinc liquid, it is ensured that zinc liquid
Surface is clean, ensures that steel band touches clean zinc liquid, ensures the quality of zinc for hot galvanizing of steel band;3, pass through overflow launder, suction ash pump, pump
The setting of inlet tube and pump discharge pipe will effectively can be discharged containing the zinc liquid of zinc gray and impurity, further ensure that the heat of steel band
Galvanizing quality.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the mounting structure schematic diagram of overflow launder riser in Fig. 1.
Reference numeral:Stove nose 1, deashing nozzle 3, overflow launder riser 4, bolt 41, overflow launder 5, is collected first baffle 2
Slot riser 6, collecting tank 7, air inlet spray head 8, second baffle 9, steel band 10, flange 11, zinc liquid 12, pumping intake piping 13, inhale ash pump 14,
Pump discharge pipe 15.
Specific implementation mode
The embodiment of technical solution of the present invention is described in detail below in conjunction with attached drawing.Following embodiment is only used for
Clearly illustrate technical scheme of the present invention, therefore be only used as example, and the protection model of the present invention cannot be limited with this
It encloses.
In the description of the present application, it is to be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be that machinery connects
It connects, can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In this application unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
Embodiment one:As shown in Figure 1, the present embodiment includes inhibiting and removing zinc gray device in hot galvanizing furnace nose, including
The flat drum shape stove nose 1 being in tilted layout along 10 direction of travel of steel band, the flat drum shape refers to moulding and 10 phase of steel band of stove nose 1
It adapts to, stove nose 1 known to those skilled in the art generally includes the epipleural being in tilted layout, lower side panel and is connected to epipleural
Left side plate between lower side panel.It is connected with flange 11 in the arrival end of stove nose 1, zinc liquid 12 is immersed in the lower end of stove nose 1,
Deashing nozzle 3 is installed in the epipleural of stove nose 1, deashing nozzle 3 sprays into the lower edge of air-flow by steel band 10 and 12 liquid level of zinc liquid
Intersection covering.First baffle 2 is installed on the inside of 1 epipleural of stove nose, first baffle 2 is located at the upper of deashing nozzle 3
Side, the centerline parallel of the plate face and deashing nozzle 3 of first baffle 2, and the epipleural of the upper end of first baffle 2 and stove nose 1
It is fixed.
As shown in Fig. 2, being removably connected with overflow launder riser 4 by bolt 41 in the lower end of stove nose 1, overflow launder is vertical
The upper end of plate 4 is flushed with 12 liquid level of zinc liquid, and the upper end of overflow launder riser 4 is in the plane flushed with 12 liquid level of zinc liquid, and overflow launder is vertical
The plane wide 1mm of 4 upper end of plate forms the overflow launder 5 of upper end opening between the lower end of 1 epipleural of overflow launder riser 4 and stove nose.
The present embodiment further includes the suction ash pump 14 being located at except stove nose 1, inhales ash pump 14 and is communicated with pumping intake piping 13 and pump discharge pipe 15,
Pumping intake piping 13 is connected to the bottom of overflow launder 5, and pump discharge pipe 15 is connected to the zinc liquid 12 except stove nose 1.
Collecting tank riser 6 is additionally provided in stove nose 1, the upper end of collecting tank riser 6 is higher by the liquid level of zinc liquid 12, is collecting
The collecting tank 7 of upper end opening is formed between the lower end of 1 lower side panel of slot riser 6 and stove nose.It is installed on the lower side panel of stove nose 1
The air inlet spray head 8 supplied in oriented stove nose 1.Second baffle 9, second baffle 9 are installed on the inside of 1 lower side panel of stove nose
In the top of air inlet spray head 8, and the upper end of second baffle 9 and the lower side panel of stove nose 1 are fixed.
In specific implementation process, the steel band 10 exported from annealing furnace passes through flange 11 to enter in stove nose 1, and extend into zinc
In liquid 12, the overflow launder 5 of 1 inside of stove nose is located at the upside of steel band 10, collecting tank 7 is located at the downside of steel band 10, and stove nose 1 inclines
Oblique cutting enters in zinc liquid 12, and the plane on 4 top of overflow launder riser is flushed with 12 liquid level of zinc liquid.Deashing nozzle 3 and air inlet spray head 8 to
Furnace atmosphere is sprayed into stove nose 1, and the air-flow that deashing nozzle 3 sprays blows to the upper surface of steel band 10, steel band 10 and zinc liquid
The surface of 12 10 top zinc liquid 12 of intersection and steel band, to press down to the generation of the zinc gray of 10 top zinc liquid 12 of steel band
System, and the upper surface of steel band 10, steel band 10 and 12 surface of zinc liquid of 10 top of intersection and steel band of zinc liquid 12 are purged,
Zinc gray and impurity are blown into overflow launder 5, first baffle 2 carries out limitation to the ascending air of 5 top of overflow launder and makes disorderly
Stream reduces ascending air to the purging effort of 1 inner wall of stove nose, reduces falling for zinc gray.Air inlet spray head 8 into stove nose 1 not
The disconnected quality of zinc for hot galvanizing for being filled with furnace atmosphere and ensureing steel band 10 in stove nose 1, the air-flow that air inlet spray head 8 sprays is under steel band 10
Surface is purged, and second baffle 9 carries out limitation to the ascending air of lower section and forms turbulent flow, and the same ascending air that reduces is to stove
The purging effort of 1 inner wall of nose, while the zinc gray that 10 lower surface of steel band is adhered to being blown off, the zinc gray of 10 lower surface of steel band is most of
It falls into collecting tank 7, small part falls into zinc liquid 12.By inhale ash pump 14 by overflow launder 5 zinc gray and impurity from pumping intake piping
13 are extracted into pump discharge pipe 15, are further discharged in the zinc liquid 12 in 1 outside of stove nose, ensure the heat of steel band 10 in stove nose 1
Galvanizing quality.Inhaling control flow in ash 14 courses of work of pump makes the liquid level in overflow launder 5 less than the liquid level 5mm outside slot.For a long time
If the upper end of overflow launder riser 4 generates thermal deformation at high temperature after use, it is unfavorable for removing zinc gray, the dismounting of bolt 41 can be passed through
The replacement of overflow launder riser 4 is carried out with installation so that the service life of stove nose 1 improves four times or more.
Embodiment two:The present embodiment is differed only in embodiment one, the wide 2mm of plane of 4 upper end of overflow launder riser, is inhaled
Control flow makes the liquid level in overflow launder 5 less than the liquid level 10mm outside slot in ash 14 courses of work of pump.
Embodiment three:The present embodiment is differed only in embodiment one, the wide 1.5mm of plane of 4 upper end of overflow launder riser,
Inhaling control flow in ash 14 courses of work of pump makes the liquid level in overflow launder 5 less than the liquid level 8mm outside slot.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that:Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement;And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.
Claims (9)
- Include the flat drum shape stove nose being in tilted layout along steel band direction of travel 1. inhibiting and removing zinc gray device in hot galvanizing furnace nose Zinc liquid is immersed in the lower end of son, the stove nose, it is characterised in that:Deashing nozzle, institute are installed in the epipleural of the stove nose The lower edge for stating deashing nozzle penetrating air-flow covers the intersection of steel band and zinc liquid liquid level;It is equipped in the lower end of the stove nose The upper end of overflow launder riser, the overflow launder riser is flushed with zinc liquid liquid level, in the overflow launder riser and stove nose epipleural Lower end between formed upper end opening overflow launder;Further include the suction ash pump being located at except the stove nose, the suction ash pump connects Be connected with pumping intake piping and pump discharge pipe, the pumping intake piping is connected to the bottom of the overflow launder, the pump discharge pipe with it is described Zinc liquid connection except stove nose.
- 2. inhibiting and removing zinc gray device in hot galvanizing furnace nose according to claim 1, it is characterised in that:In the stove First baffle is installed on the inside of nose epipleural, the first baffle is located at the top of deashing nozzle, and first baffle Upper end and the epipleural of the stove nose are fixed.
- 3. inhibiting and removing zinc gray device in hot galvanizing furnace nose according to claim 2, it is characterised in that:Described first The centerline parallel of the plate face and deashing nozzle of baffle.
- 4. inhibiting and removing zinc gray device in hot galvanizing furnace nose according to claim 1, it is characterised in that:The overflow The upper end of slot riser is in the plane flushed with zinc liquid liquid level, the wide 1-2mm of plane of overflow launder riser upper end.
- 5. inhibiting and removing zinc gray device in hot galvanizing furnace nose according to claim 4, it is characterised in that:The overflow Slot riser is detachably connected on the stove nose.
- 6. inhibiting and removing zinc gray device in hot galvanizing furnace nose according to claim 1, it is characterised in that:In the stove Collecting tank riser is additionally provided in nose, the upper end of the collecting tank riser is higher by the liquid level of zinc liquid, the collecting tank riser with The collecting tank of upper end opening is formed between the lower end of stove nose lower side panel.
- 7. inhibiting and removing zinc gray device in hot galvanizing furnace nose according to claim 1, it is characterised in that:In the stove The air inlet spray head supplied in oriented stove nose is installed on the lower side panel of nose.
- 8. inhibiting and removing zinc gray device in hot galvanizing furnace nose according to claim 7, it is characterised in that:In the stove Second baffle is installed on the inside of nose lower side panel, the second baffle is located at the top of air inlet spray head, and second baffle Upper end and the lower side panel of the stove nose are fixed.
- 9. inhibiting and removing zinc gray device in hot galvanizing furnace nose according to claim 8, it is characterised in that:In the stove The arrival end of nose is connected with flange.
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CN201810752871.7A CN108624832A (en) | 2018-07-10 | 2018-07-10 | Inhibit and remove zinc gray device in hot galvanizing furnace nose |
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CN201810752871.7A CN108624832A (en) | 2018-07-10 | 2018-07-10 | Inhibit and remove zinc gray device in hot galvanizing furnace nose |
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Cited By (5)
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CN111235509A (en) * | 2019-12-13 | 2020-06-05 | 首钢集团有限公司 | Method for eliminating zinc slag defect on surface of zinc-aluminum-magnesium coating product |
CN111893414A (en) * | 2020-04-30 | 2020-11-06 | 武汉钢铁有限公司 | Furnace nose annular overflow device of hot coating production line |
CN112143998A (en) * | 2020-09-28 | 2020-12-29 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Nose zinc ash treatment device of continuous hot galvanizing furnace |
CN113767184A (en) * | 2019-05-03 | 2021-12-07 | 株式会社斯戴普安津 | Device for removing impurities from the surface of molten metal in a hot-dip galvanizing process for steel sheet |
CN115595524A (en) * | 2021-07-09 | 2023-01-13 | 宝山钢铁股份有限公司(Cn) | Multifunctional furnace nose for strip steel galvanizing and zinc ash control method thereof |
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CN113767184A (en) * | 2019-05-03 | 2021-12-07 | 株式会社斯戴普安津 | Device for removing impurities from the surface of molten metal in a hot-dip galvanizing process for steel sheet |
CN111235509A (en) * | 2019-12-13 | 2020-06-05 | 首钢集团有限公司 | Method for eliminating zinc slag defect on surface of zinc-aluminum-magnesium coating product |
CN111235509B (en) * | 2019-12-13 | 2022-04-19 | 首钢集团有限公司 | Method for eliminating zinc slag defect on surface of zinc-aluminum-magnesium coating product |
CN111893414A (en) * | 2020-04-30 | 2020-11-06 | 武汉钢铁有限公司 | Furnace nose annular overflow device of hot coating production line |
CN111893414B (en) * | 2020-04-30 | 2024-05-24 | 武汉钢铁有限公司 | Annular overflow device for furnace nose of hot-dip coating production line |
CN112143998A (en) * | 2020-09-28 | 2020-12-29 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Nose zinc ash treatment device of continuous hot galvanizing furnace |
CN115595524A (en) * | 2021-07-09 | 2023-01-13 | 宝山钢铁股份有限公司(Cn) | Multifunctional furnace nose for strip steel galvanizing and zinc ash control method thereof |
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