CN107328677A - The experimental rig and its test method of a kind of sinking roller high temperature resistant corrosive wear of zinc solution - Google Patents

The experimental rig and its test method of a kind of sinking roller high temperature resistant corrosive wear of zinc solution Download PDF

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Publication number
CN107328677A
CN107328677A CN201710538417.7A CN201710538417A CN107328677A CN 107328677 A CN107328677 A CN 107328677A CN 201710538417 A CN201710538417 A CN 201710538417A CN 107328677 A CN107328677 A CN 107328677A
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sinking roller
zinc
roller
sinking
high temperature
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CN107328677B (en
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凤国保
李志忠
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Anhui Weilong Remanufacturing Polytron Technologies Inc
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Anhui Weilong Remanufacturing Polytron Technologies Inc
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/56—Investigating resistance to wear or abrasion
    • 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
    • C23C2/04—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
    • C23C2/34—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
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/073—Metallic material containing MCrAl or MCrAlY alloys, where M is nickel, cobalt or iron, with or without non-metal elements
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/129—Flame spraying
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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Abstract

The invention discloses a kind of experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution and its test method, belong to the recovery technique field of sinking roller.In the experimental rig of the present invention, including zinc pot case, incubator and controlling organization, the bottom insertion incubator of zinc pot case；Wherein：Driven roller, simulation sinking roller and the idler roller of the arrangement of falling isosceles triangle are fixed with the inwall of zinc pot case by bearing, simulation sinking roller is set under occupying, partial simulation sinking roller is submerged in the zinc liquid in zinc pot case；The outer wall of driven roller, simulation sinking roller and idler roller is wound with strip；Incubator internal heater, bottom of the heater just to zinc pot case；Controlling organization includes motor and transmission belt, and motor is connected by transmission belt and driven roller driven type.The present invention can detect that sinking roller coating performance is good and bad by simulating operation principle and working environment of the sinking roller in fused solution zinc.Strip quality is influenceed when solving the problems, such as to do service life detection in the high temperature zinc liquid of sinking roller on a production line.

Description

The experimental rig and its test method of a kind of sinking roller high temperature resistant corrosive wear of zinc solution
Technical field
The present invention relates to the recovery technique field of sinking roller, more particularly to a kind of sinking roller high temperature resistant corrosive wear of zinc solution Experimental rig and its test method.
Background technology
Sinking roller and stabilizing roller in Continuous Hot Dip Galvanizing Line because long-term work is in 500 DEG C of galvanizing zinc, by Strong corrosion and infiltration to zinc metallic solution, roll surface easily produce spot corrosion, pit and become coarse, have a strong impact on the flat of roll surface Whole degree, and then influence the surface quality of galvanized sheet；The movement velocity that steel band is driven by roll surface simultaneously is up to 35~40m/s, therefore Trigger fretting wear, roller loss is fairly obvious, it is necessary to often change, and increase production cost influences production efficiency.
For sinking roller, its key technical index is material service life and strip hot dip in high temperature zinc liquid Zinc quality problems.During actual strip hot-dip galvanizing, because strip is very long, it is necessary to work continuously for a long time, for detection sinking roller Coating performance, being directly entered Metallurgical Enterprise galvanization production line has larger difficulty, may produce influence to strip steel Zn-plating quality, Therefore, it is desirable to can be in experiment lab simulation sinking roller running situation.
The mechanism of liquid zinc corrosion sinking roller is：Dissolving reaction occurs in hot environment for Fe and Zn, generates FeZn compounds, Become slag charge to enter in zinc liquid, and then abrasive wear is produced in roll surface.The mechanism of abrasion mainly includes abrasive wear, plasticity and become Shape, brittle fracture and come off.The principal element of influence wear out failure is ratio, the material of abrasive material and sinking roller matrix microhardness Mechanical performance etc..Under liquid zinc corrosion and the double action of abrasion, sinking roller surface metal constantly dissolves, and particulate is continuous Separated with the body of roll, working lining is thinning, barrel diameter diminishes, hardness and wearability synchronously decline, when barrel diameter and hardness decline During to minimum allowable value, that is, reach failure.Except corrosion wear failure is outer, the sinking roller with coating structure be also faced with because of coating and Matrix peeled off with reference to caused by bad and because caused by coating structure defect zinc immersion enter, the failure shape such as coating cracking Formula.When coating structure exist compared with gross blow hole, or even micro-crack, and with matrix thermal stress it is larger when, often can be in normal corrosive wear Before failure, trigger the failure such as face coat cracking or surface peeling.
Through retrieval, Chinese patent application, publication number：CN205426702U, publication date：2018.08.03, one kind is disclosed The friction wear testing machine of experiment can be carried out rotating, belong to abrasion tester technical field.The fretting wear of the utility model Testing machine, including base, the drive mechanism and upper fixture that are fixed on base, described drive mechanism include the electricity being sequentially connected Machine, reductor and power transmission shaft, wherein, lower test specimen to be tested is annular and is fixedly installed in the output end of power transmission shaft, described Upper fixture be correspondingly arranged at the top of lower test specimen, upper test specimen to be tested is fixedly linked with clamping block, and clamping block is fixed on In the neck of fixture.The utility model is improved on the basis of existing oscillating rectilinear motion friction wear testing machine Arrive, rotational slide wear process of the multi-form friction pair under different contact conditions can be simulated, so as to preferably The actual wear operating mode reflected between sinking roller sliding bearing axle sleeve and bearing shell.The utility model can only be tried fretting wear Test, for sinking roller, its corrosion resistant performance test is more necessary.
The content of the invention
1. the invention technical problem to be solved
Band is influenceed when doing service life detection in the high temperature zinc liquid of sinking roller on a production line for existing in the prior art The problem of steel quality, the invention provides a kind of experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution and its test method. It has made sinking roller high temperature resistant zinc liquid by simulating operation principle and working environment of the sinking roller in fused solution zinc, research The experimental rig and its test method of corrosive wear, can simulate actual operating state on sinking roller galvanization production line, to examine Survey sinking roller coating performance good and bad.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the present invention is provided is：
A kind of experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution, including zinc pot case, incubator and controlling organization, zinc In the bottom insertion incubator of pot case；Wherein：The drive for the arrangement of falling isosceles triangle is fixed with the inwall of the zinc pot case by bearing Dynamic roller, simulation sinking roller and idler roller, simulation sinking roller are set under occupying, and partial simulation sinking roller is submerged in the zinc liquid in zinc pot case It is interior；The outer wall of driven roller, simulation sinking roller and idler roller is wound with strip；The incubator internal heater, heater is just right The bottom of zinc pot case；The controlling organization includes motor and transmission belt, and the motor is driven by transmission belt and driven roller Formula is connected.During actual strip hot-dip galvanizing, because strip is very long, it is necessary to work continuously for a long time, for detection sinking roller coat Layer performance, being directly entered Metallurgical Enterprise galvanization production line has larger difficulty, may produce influence to strip steel Zn-plating quality, because This, it is desirable to can be in experiment lab simulation sinking roller running situation, and the present apparatus is immersed in zinc liquid by that will simulate sinking roller, It can be simulated actual on sinking roller galvanization production line according to operation principle of the sinking roller in fused solution zinc and working environment Operation conditions, to detect the quality of sinking roller coating performance.
It is further fixed on scraping zine plate on further technical scheme, the inwall of zinc pot case, band steel plate is pressed close at the edge for scraping zine plate Face, the zinc liquid for removing belt steel surface reduces strip zinc coating thickness, meets long period of experiments requirement；The heater passes through The external incubator tank wall of ground terminal, heater can be with resistance furnace silk, it is necessary to which ground terminal is grounded, to avoid electric leakage.
Further technical scheme, scraping zine plate has two, is respectively provided with the tow sides of strip, and is positioned close to tensioning The bottom side of roller, it is two-sided to strip to scrape zinc, improve the service life of strip in test.
Temperature controller is additionally provided with below zinc liquid liquid level in further technical scheme, zinc pot case；The controlling organization is also Including controller, temperature controller and the equal external controller of heater, the convenient regulation to zinc liquid temperature are controlled.
Further technical scheme, the simulation sinking roller roll surface cuts groove, and groove is justified with roll surface corner for R2mm Arc transition, simulates the practical structures of true sinking roller.
Further technical scheme, strip is in the endless belt of closing, and material is hot rolled plate；Zinc liquid temperature is 450~480 Between DEG C；Motor is variable-frequency motor；Strip velocity of rotation is 45~180m/min；Simulate sinking roller actual production conditions.
Further technical scheme, simulation sinking roller spraying multi-element alloy coat, the multi-element alloy coat is from inside to outside Sinking roller basic unit, transition zone and working lining are followed successively by, the transition zone is NiCrAlY sprayed coatings, in the spraying of sinking roller basic unit NiCrAlY is transition zone as metal bonding coating, can eliminate material heat between antiwear heat resisting working lining and sinking roller basic unit swollen The swollen unmatched problem of coefficient, to reduce the thermal stress as caused by being mismatched working lining and the sinking roller basic unit coefficient of expansion, changes Kind mechanical matching and physical compatibility between working lining and sinking roller basic unit；The working lining is NiCr-Cr3C2Composite coating, NiCr alloys have the performances such as excellent heat-resisting, corrosion-resistant, resistance to high temperature oxidation, also act as the effect of Binder Phase, Cr3C2With compared with Good high temperature hardness and high temperature oxidation resistance, plays hard phase, second phase particles disperse is also primarily served in the coating strong The effect of change, it is immiscible, nonwetting with zinc liquid, can solve the problem that sinking roller under high temperature complex working condition easily loss, service life Relatively low the problem of.Moreover, NiCr-Cr3C2With the linear expansion coefficient close with sinking roller, so as to substantially reduce because of thermal shock And the disbonding caused even fails, so as to simulate the detection experiment of the sinking roller of additional coatings.
Further technical scheme, NiCrAlY spray layer thickness is 50~100 μm, and Cr contents are 10~30%, Al content It is 1~3% for 0~7%, Y contents；Al, Cr can suppress the oxidation of alloy-layer, but too high Al amounts can bring extra fragility, Ni reacts with Al, generates intermetallic compound, and discharges amount of heat, makes bond coating and sinking roller substrate surface shape Into micro metallurgic bonding, so as to improve the bond strength of bond coating and sinking roller basic unit, Y element, which is suitably added, can effectively reduce material Material oxidation, further improves matrix and anchoring strength of coating；The NiCr-Cr3C2Composite coating thickness is 200~500 μm, Cr3C2Content is that 70~80%, NiCr is 20~30%, the NiCr tack coats and NiCr-Cr of the two percentage ranges3C2Gold Category ceramics have preferably mutual fusibleness, wherein Cr3C2Content is generally that 80%, NiCr is 20%, subsequently through sign sides such as wearabilities The detection of method, can be proved to be optimal proportion.
Cr in further technical scheme, alloy coat3C2Powder base be nano powder, the Cr3C2The preparation side of nano powder Method is：
Step one：Mixing：Ammonium dichromate powder and nanometer carbon black powder are placed in distilled water or deionized water, mixing is stirred It is in uniformly flow-like to mix, and it is in presoma to add compressing in mould；The proportioning of ammonium dichromate and nanometer carbon black powder is 1： (0.17~0.21)；Distilled water or deionized water consumption are：The 55%~60% of powder gross weight；In bulk after presoma compacting, Anxious jelly is carried out to facilitate；
Step 2：It is anxious to freeze：Presoma is quickly transferred to anxious freeze in space and carries out anxious jelly；Temperature is -100~-140 DEG C, when Between be 30~150min；The anxious purpose frozen is to allow fluid freeze, ammonium dichromate powder and nano-sized carbon in the time as short as possible Black powder is positioned rapidly after stirring, and to prevent block fluid to be layered due to the difference of density, causes follow-up frozen dried The skewness of chromium source and carbon source afterwards, and cause the unbalanced adverse consequences of carburizing reagent；
Step 3：It is lyophilized：The anxious presoma frozen is quickly transferred in vacuum freeze drying cabin and freezed；After lyophilized Blocks is many micropore shape honeycomb blocks formed after hydrone distils, and Volume Changes are small, uniform chromium source and carbon source positioning It will not change, moreover, in freeze-drying process, following reaction occurs in drying process for ammonium dichromate powder at low temperature：
(NH4)2Cr2O7(s)=Cr2O3(s)+N2↑+4H2O(2-1)
Lyophilized technique curve is：
A, initial stage：0 DEG C~100 DEG C of plate temperature, 2 DEG C/min of heating slope, 100 DEG C are kept for 30~40 minutes, are evacuated to Within 60Pa；
B, mid-term：Plate temperature is cooled to 80~85 DEG C/min, is kept for 50~60 minutes, vacuum control is within 100Pa；
C, later stage, plate temperature are cooled to 50~65 DEG C/min, are kept for 80~200 minutes, vacuum control is within 80Pa.
Step 4：Carbonization：Vacuum freeze drying cabin cold-trap is closed, heats up 900~1200 DEG C and carries out carbonizing reduction reaction system Obtain nanometer Cr3C2Powder, with the rise of temperature, the high oxide of chromium is gradually reduced into the low oxide of chromium by carbon, and position is solid Fixed carbon source with its peripheral location also reacted by relatively-stationary chromium source, ultimately generates uniform chromium carbide, but also be to receive The chromium carbide of meter level；Due to the uniformity of blocks micropore after lyophilized, in reaction the absorption of heat also than more uniform so that Realize the purpose that even-grained nano level chromium carbide is made；
3Cr2O3(s)+13C (s)=2Cr3C2(s)+9CO(2-2)；
3(NH4)2Cr2O7(s)+13C (s)=2Cr3C2(s)+9CO+12H2O+3N2↑ (2-3) (W-response process).
A kind of test method of the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution, step is：
(1) strip is looped around in simulation sinking roller, idler roller and driven roller, strip joining seam firm welding polishes flat；
(2) heating zinc liquid temperature controls temperature between 450~480 DEG C by temperature controller；
(3) start the work of motor running strip, idler roller is adjusted by adding and subtracting weights quantity；
(4) per every other hour using temperature measurer detection zinc liquid temperature, it is ensured that zinc liquid temperature is in setting value；
(5) per idler roller is checked every other hour, weights are adjusted；
(6) zine plate abrasion condition is scraped per inspection every other hour, changes scrape zine plate in real time；
(7) per strip situation is checked every other hour, strip is changed in real time.
3. beneficial effect
The technical scheme provided using the present invention, compared with prior art, is had the advantages that：
(1) experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the invention, by the way that simulation sinking roller is immersed into zinc In liquid, sinking roller galvanization production line can be simulated according to operation principle of the sinking roller in fused solution zinc and working environment Upper actual operating state, to detect the quality of sinking roller coating performance；
(2) experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the invention, band can be removed by scraping the setting of zine plate The zinc liquid of steel surface, reduces strip zinc coating thickness, meets long period of experiments requirement；
(3) experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the invention, in the spraying of simulation sinking roller basic unit NiCrAlY is transition zone as metal bonding coating, can eliminate material heat between antiwear heat resisting working lining and sinking roller basic unit swollen The swollen unmatched problem of coefficient, to reduce the thermal stress as caused by being mismatched working lining and the sinking roller basic unit coefficient of expansion, changes Kind mechanical matching and physical compatibility between working lining and sinking roller basic unit；NiCr alloys also have it is excellent it is heat-resisting, corrosion-resistant, The performances such as resistance to high temperature oxidation, also act as the effect of Binder Phase, Cr3C2With preferable high temperature hardness and high temperature oxidation resistance, rise hard The effect of matter phase, also primarily serves the effect of second phase particles dispersion-strengtherning in the coating, immiscible, nonwetting with zinc liquid, energy Enough solve the problem of sinking roller is easily lost under high temperature complex working condition, service life is relatively low.Moreover, NiCr-Cr3C2With with The close linear expansion coefficient of sinking roller, so as to substantially reduce because thermal shock and caused by disbonding in addition fail；
(4) experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the invention, simulation sinking roller can be according to difference Coating composition matches the coating layer thicknesses different with spraying method regulation, to adapt to the sinking roller of different attribute and specification, versatility By force；
(5) experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the invention, simulation sinking roller membranous layer ingredient proportioning Restriction, Al, Cr can suppress the oxidation of alloy-layer, but too high Al amounts can bring extra fragility, and Ni reacts with Al, raw Into intermetallic compound, and amount of heat is discharged, make bond coating and sinking roller substrate surface formation micro metallurgic bonding, so that Bond coating and the bond strength of sinking roller basic unit are improved, Al content has taken into account both sides factor, Y members for 0~7% restriction Element, which is suitably added, can effectively reduce material oxidation, further improve matrix and anchoring strength of coating；And the coating of Al content 7%, Test by contrast, it is better；Cr3C2Content is that 70~80%, NiCr is 20~30%, what the two percentage ranges were limited NiCr tack coats and NiCr-Cr3C2Cermet has preferably mutual fusibleness, wherein Cr3C2Content is generally that 80%, NiCr is 20%, subsequently through the detection of the characterizing methods such as wearability, optimal proportion can be proved to be；
(6) a kind of experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the invention, the coating of simulation sinking roller is matched somebody with somebody Especially Cr in material3C2Lyophilized technique preparation method, it is lyophilized after forerunner's blocks be formed after hydrone distillation more micro- Poroid honeycomb block, Volume Changes are small, and uniform chromium source and carbon source positioning will not change, carbon source and its week that position is fixed Enclosing position, also relatively-stationary chromium source is reacted, and ultimately generates uniform chromium carbide, but also be nano level chromium carbide；By The uniformity of blocks micropore after lyophilized, the absorption of heat is also than more uniform in reaction, so as to realize that obtained granularity is equal The purpose of even nano level chromium carbide；
(7) in the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the invention, the coating compounding for simulating sinking roller Cr3C2Lyophilized technique use, allow ammonium dichromate and nanometer carbon black powder proportioning limit scope according to chemical equation Carry out as far as possible accurate determine, it is to avoid excessive impurity, the excessive residual of carbon source or chromium source can be prevented and film layer matter is influenceed Amount；
(8) experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the invention, Cr3C2Freeze-drying process in, heating plate The scope of temperature is limited, and can keep the relative low temperature state (being less than heating plate temperature) of material, prevents that reaction is excessively strong and leads Cause reaction uneven；
(9) experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the invention, simulation sinking roller is entered with HVOF methods Row spraying, due to the various composition in multi-element alloy coat, can be made nano level granularity, therefore, with HVOF (supersonic speed Spraying) method sprayed, and effect is more obvious, and obtained alloy coat adhesive force is stronger, and the porosity of coating is smaller；
(10) experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the invention, the spraying pre-treatment of simulation sinking roller with And the various technological parameters in spraying, it is that inventor combines nanoscale powder material produced by the present invention, is carrying out various data Obtained on the basis of the creative works such as collection, analysis, summary, the intensity of obtained coating reaches more than 80MPa, and hardness reaches More than 1200HV, porosity is below 1%, and the more conventional WC-Co coatings of service life improve more than 1 times, small-sized galvanization production line Upper carry out real work, service life was more than 25 days；Moreover, in hardness test：NiCr/Cr3C2-20NiCr coatings by interface extremely Facing surface, microhardness is stepped up, up to 1363.3HV；
(11) experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the invention, simulates the laser remolten work of sinking roller Skill can make coating and base material formation metallurgical binding, and the metallographic structure of its alloy-layer has fine and closely woven needle-like or dendritic eutectic group Knit, improve the affinity of metallic atom, and then further increase coating and base material combination degree.
Brief description of the drawings
Fig. 1 is the experimental rig structural representation of the sinking roller high temperature resistant corrosive wear of zinc solution of the present invention；
Structural representation after simulation sinking roller multi-element alloy coat amplification in Fig. 2 present invention；
Fig. 3 is the NiCr/WC-Co coatings cross-section microhardness distribution figures of comparative example in embodiment；
Fig. 4 is NiCrAlY/Cr3C2-20NiCr coatings cross-section microhardness distribution figures of the invention；
Fig. 5 is coating cross sections microhardness distribution statistical chart；
Fig. 6 is the burner nozzle constructed schematic diagram in the present invention；
Fig. 7 is the array type burner nozzle constructed schematic diagram in embodiment 12.
In figure：1st, multigroup nozzle；2nd, compressed air inlet pipeline；3rd, gas pressure regulating valve；4th, slurry passage；5th, zinc pot Case；6th, incubator；7th, controlling organization；51st, driven roller；52nd, sinking roller is simulated；53rd, idler roller；54th, strip；55th, zinc liquid；56、 Scrape zine plate；57th, temperature controller；61st, heater；63rd, ground terminal；71st, motor；72nd, transmission belt；73rd, controller.
Embodiment
To further appreciate that present disclosure, the present invention is described in detail with reference to accompanying drawing (note：As do not indicated especially, Content is expressed as weight content in embodiment).
Embodiment 1
The experimental rig of a kind of sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, as shown in figure 1, including zinc pot case 5th, in incubator 6 and controlling organization 7, the bottom insertion incubator 6 of zinc pot case 5；Wherein：Pass through on the inwall of the zinc pot case 5 Bearing is fixed with driven roller 51, simulation sinking roller 52 and the idler roller 53 for the arrangement of falling isosceles triangle, and simulation sinking roller 52 occupies lower setting, Partial simulation sinking roller 52 is submerged in the zinc liquid 55 in zinc pot case 5；Driven roller 51, simulation sinking roller 52 and idler roller 53 it is outer Wall is wound with strip 54；The internal heater 61 of incubator 6, bottom of the heater 61 just to zinc pot case 5；The controlling organization 7 include motor 71 and transmission belt 72, and the motor 71 is connected by transmission belt 72 and the driven type of driven roller 51.
During actual strip hot-dip galvanizing, because strip is very long, it is necessary to work continuously for a long time, for detection sinking roller coat Layer performance, being directly entered Metallurgical Enterprise galvanization production line has larger difficulty, may produce influence to strip steel Zn-plating quality, because This, it is desirable to can be in experiment lab simulation sinking roller running situation, and the present apparatus by simulation sinking roller 52 by immersing zinc liquid In 55, sinking roller galvanization production line can be simulated according to operation principle of the sinking roller in fused solution zinc and working environment Upper actual operating state, to detect the quality of sinking roller coating performance.
A kind of test method of the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, step is：
1st, strip 54 is looped around in simulation sinking roller 52, idler roller 53 and driven roller 51, the joining seam firm welding of strip 54, Polish flat；
2nd, the temperature of Heating Zn liquid 55 is to 450 DEG C or so；
3rd, start the operation strip 54 of motor 71 to work, the tensioning journey of idler roller 53 is adjusted by adding and subtracting weights quantity Degree；
4th, per every other hour using the temperature of temperature measurer detection zinc liquid 55, it is ensured that the temperature of zinc liquid 55 is at 450 DEG C；
5th, per idler roller 53 is checked every other hour, weights are adjusted；
6th, per the situation of strip 54 is checked every other hour, strip 54 is changed in real time.
By the lasting fatigue test of this experimental rig, the service life of general sinking roller 52 was one week or so, strip 54 are continued to build up due to zinc layers, are accomplished by changing annular strip 54 every 1 hour.
Embodiment 2
A kind of experimental rig of the sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, basic structure be the same as Example 1, no With and the improvement is that：It is further fixed on scraping zine plate 56 on the inwall of zinc pot case 5, the plate of strip 54 is pressed close at the edge for scraping zine plate 56 Face, the zinc liquid for removing belt steel surface reduces strip zinc coating thickness, meets long period of experiments requirement, scraping zine plate 56 can set Two are put, is respectively provided with the tow sides of strip 54, and is positioned close to the bottom side of idler roller 53, it is two-sided to strip 54 to scrape Zinc, improves the service life of strip 54 in test；The heater 61 by the external tank wall of incubator 6 of ground terminal 63, plus Hot device 61 can be with resistance furnace silk, it is necessary to which ground terminal 63 is grounded, to avoid prolonged fatigue test from producing electric leakage danger Danger.Temperature controller 57 is additionally provided with below the liquid level of zinc liquid 55 in zinc pot case 5；The controlling organization 7 also includes controller 73, temperature control Device 57 and the equal external controller 73 of heater 61, the convenient regulation to zinc liquid temperature are controlled.
A kind of test method of the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, step is：
1st, strip 54 is looped around in simulation sinking roller 52, idler roller 53 and driven roller 51, the joining seam firm welding of strip 54, Polish flat；The velocity of rotation of strip 54 is 45m/min；
2nd, the temperature of Heating Zn liquid 55 controls temperature to 480 DEG C or so by temperature controller 57；
3rd, start the operation strip 54 of motor 71 to work, idler roller 53 is adjusted by adding and subtracting weights quantity；
4th, per every other hour using the temperature of temperature measurer detection zinc liquid 55, it is ensured that the temperature of zinc liquid 55 is in setting value；
5th, per idler roller 53 is checked every other hour, weights are adjusted；
6th, the abrasion condition of zine plate 56 is scraped per inspection every other hour, changes scrape zine plate 56 in real time；
7th, per the situation of strip 54 is checked every other hour, strip 54 is changed in real time.
By the lasting fatigue test of this experimental rig, the test life of strip 54 is greatly increased, and is just needed within general 2 days or so Change；Change simultaneously and scrape zine plate 56.
Embodiment 3
A kind of experimental rig of the sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, basic structure be the same as Example 2, no With and the improvement is that：Simulate sinking roller 52 to make of 316L materials, roll surface sizeRoll surface cuts groove, The spacing 40mm depth wide 3mm of 3mm, groove is R2mm arc transitions with roll surface corner, simulates the practical structures of true sinking roller 52. Zinc pot case 5 uses stainless steel welded casing using experiment, and uses cover plate for sealing；The thickness of strip 54 uses 1~1.5mm hot rolled plate Material；Motor 71 is variable-frequency motor；The velocity of rotation of strip 54 is 100m/min；Simulate sinking roller actual production conditions.This implementation A kind of test method of the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of example, step be the same as Example 2, due to groove and The setting of R2mm arc transitions, the service life of simulation sinking roller 52 is improved to ten days or so.
Embodiment 4
A kind of experimental rig of the sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, basic structure be the same as Example 3, no With and the improvement is that：As shown in Fig. 2 the simulation spraying multi-element alloy coat of sinking roller 52, the multi-element alloy coat is by interior Sinking roller basic unit, transition zone and working lining are outwards followed successively by, the transition zone is NiCrAl sprayed coatings, in the spraying of sinking roller basic unit NiCrAl is transition zone as metal bonding coating, can eliminate material heat expansion between antiwear heat resisting working lining and sinking roller basic unit The unmatched problem of coefficient, to reduce the thermal stress as caused by being mismatched working lining and the sinking roller basic unit coefficient of expansion, improves Mechanical matching and physical compatibility between working lining and sinking roller basic unit；The working lining is NiCr-Cr3C2Composite coating, NiCr Alloy has the performances such as excellent heat-resisting, corrosion-resistant, resistance to high temperature oxidation, also acts as the effect of Binder Phase, Cr3C2With preferable High temperature hardness and high temperature oxidation resistance, play hard phase, and second phase particles dispersion-strengtherning is also primarily served in the coating Effect, immiscible, nonwetting with zinc liquid, can solve the problem that sinking roller, easily loss, service life are relatively low under high temperature complex working condition The problem of.Moreover, NiCr-Cr3C2With the linear expansion coefficient close with sinking roller, made so as to substantially reduce because of thermal shock Into disbonding even fail so that simulate the sinking roller of additional coatings detection experiment.
The material of the simulation spraying multi-element alloy coat of sinking roller 52 of the present embodiment prepares：NiCrAl nano powders, NiCr- Cr3C2Mix nano powder；
The spraying method of multi-element alloy coat, step is：
Step 1) pre-treatment：The surface mechanical grinding of sinking roller 52, rear blasting treatment will be simulated；
Step 2) spraying：Sprayed with HVOF methods.
A kind of test method of the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, step is：
1st, strip 54 is looped around in simulation sinking roller 52, idler roller 53 and the driven roller 51 of spraying multi-element alloy coat, The joining seam firm welding of strip 54, polishes flat；The velocity of rotation of strip 54 is 180m/min；
2nd, the temperature of Heating Zn liquid 55 controls temperature to 480 DEG C or so by temperature controller 57；
3rd, start the operation strip 54 of motor 71 to work, idler roller 53 is adjusted by adding and subtracting weights quantity；
4th, per every other hour using the temperature of temperature measurer detection zinc liquid 55, it is ensured that the temperature of zinc liquid 55 is in setting value；
5th, per idler roller 53 is checked every other hour, weights are adjusted；
6th, the abrasion condition of zine plate 56 is scraped per inspection every other hour, changes scrape zine plate 56 in real time；
7th, per the situation of strip 54 is checked every other hour, strip 54 is changed in real time.
By the lasting fatigue test of this experimental rig, the service life of sinking roller 52 of multi-element alloy coat is sprayed two All left and right.
Embodiment 5
A kind of experimental rig of the sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, basic structure be the same as Example 4, no With and the improvement is that：Transition zone is NiCrAlY sprayed coatings.Ni can react with Al, generate intermetallic compound, and Amount of heat is discharged, bond coating is formed micro metallurgic bonding with sinking roller basic unit, and Y element is suitably added and can effectively reduced Material oxidation, further improves matrix and anchoring strength of coating, so as to improve the bond strength of bond coating and sinking roller basic unit.
A kind of experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution through the present embodiment is to spraying multi-element alloy coat Simulation sinking roller 52 carry out lasting fatigue test detection, the life-span can be improved to more than two weeks.
Embodiment 6
A kind of experimental rig of the sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, basic structure be the same as Example 5, no With and the improvement is that：NiCrAlY spray layer thickness is 50 μm, and Cr contents are 10%, and Al content is 4%；Y contents are 3%, Ni contents are 83%；NiCr-Cr3C2Composite coating thickness is 200 μm, Cr3C2Content is that 70%, NiCr is 30%, this percentage Than the NiCr tack coats and NiCr-Cr of scope3C2Cermet has preferably mutual fusibleness.
The multi-element alloy coat material of simulation sinking roller 52 of the present embodiment prepares：NiCrAlY nano powders, NiCr-Cr3C2It is mixed Nano powder is closed, wherein, nanometer Cr3C2The preparation method of powder is：
Step one：Mixing：By ammonium dichromate powder and nanometer carbon black powder by weight 1：0.17 proportioning is placed in powder In the distilled water of gross weight 55%, it is mixed evenly in flow-like, it is in presoma to add compressing in square dies；After compacting In bulk, anxious jelly is carried out to facilitate；
Step 2：It is anxious to freeze：Presoma is quickly transferred to -100 DEG C of anxious freeze in space and carries out anxious jelly 150min；The anxious purpose frozen It is to allow fluid freeze, ammonium dichromate powder and nanometer carbon black powder to be positioned rapidly after stirring in the time as short as possible, To prevent block fluid to be layered due to the difference of density, the skewness of chromium source and carbon source after follow-up frozen dried is caused；
Step 3：It is lyophilized：The anxious presoma frozen is quickly transferred in vacuum freeze drying cabin and freezed, plate temperature control system Below 100 DEG C, the blocks after freezing is many micropore shape honeycomb blocks formed after hydrone distils, and Volume Changes are small, Uniform chromium source and carbon source positioning will not change, moreover, in freeze-drying process, ammonium dichromate powder drying process at low temperature It is middle to occur following reaction：
(NH4)2Cr2O7(s)=Cr2O3(s)+N2↑+4H2O2-1
Step 4：Carbonization：Vacuum freeze drying cabin cold-trap is closed, with the rise of temperature, carbon is gradually by the high price oxygen of chromium Compound is reduced into the low oxide of chromium, and the carbon source that position is fixed with its peripheral location also reacted by relatively-stationary chromium source, Uniform chromium carbide is ultimately generated, but also is nano level chromium carbide；Due to the uniformity of lyophilized rear blocks micropore, The absorption of heat is also than more uniform in reaction, so as to realize the purpose of obtained even-grained nano level chromium carbide；
3Cr2O3(s)+13C (s)=2Cr3C2(s)+9CO2-2 carburizing reagents；
3(NH4)2Cr2O7(s)+13C (s)=2Cr3C2(s)+9CO+12H2O+3N2↑ 2-3 W-response processes；
The present embodiment simulates the spraying method of sinking roller 52, and step is：
Step 1) pre-treatment：To be sunk roller surface mechanical grinding, and polishing is using 800#~1000# carborundum papers to base material Surface is polished, with washes of absolute alcohol, acetone degreasing；Sinking roller surface is mechanical grinding at least Sa3 grades of cleannes；Afterwards Blasting treatment, is that 0.1mm iron-sands are abrasive particle using particle diameter, compressed air pressure 1.0MPa, sandblasting distance is 80mm, sandblasting angle Spend for 20 °, smart rugosity is reached RZ40 μm；
Step 2) spraying：Sprayed with HVOF methods：
NiCrAlY spraying method parameter is：Spray tip oxygen flow：1900SCFH；Kerosene oil flow：20LPH；Powder feeding Speed is：4.5RPM；Spray distance 360mm；
NiCr-Cr3C2Spraying method parameter be：Spray tip oxygen flow：1800SCFH；Kerosene oil flow：22LPH；Send Powder speed is：4.5RPM；Spray distance 360mm.
The present embodiment simulates sinking roller 52, after testing：
Anchoring strength of coating is tested：According to the assay method of GB/T8642-2002 thermal spraying resisting binding strengths：It is obtained The intensity of coating reaches 89MPa；
Coating hardness is analyzed：Measured using Vickers, hardness reaches more than 1200HV,
Coating porosity is using painting cream method：By the paste even application containing test solution by cleaning and drying process Specimen surface.Test solution in paste penetrates into coating porosity, is acted on parent metal, spot of the generation with characteristic color, right Coloured speckle number is counted on lotion, you can obtain coating porosity, measures porosity 0.77%；
A kind of experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment is to spraying multi-element alloy coat Simulation sinking roller 52 carries out lasting fatigue test detection, and the life-span can be improved to 20 days or so.
Embodiment 7
A kind of experimental rig of the sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, basic structure be the same as Example 5, no With and the improvement is that：The NiCrAlY spray layer thickness for simulating sinking roller 52 is 100 μm, and Cr contents are that 30%, Y contents are 3%, Ni content are 67%；NiCr-Cr3C2Composite coating thickness is 500 μm, Cr3C2Content is that 75%, NiCr is 25%, this The NiCr tack coats and NiCr-Cr of percentage range3C2Cermet also has preferably mutual fusibleness.
The multi-element alloy coat material of the simulation sinking roller 52 of the present embodiment prepares：NiCr nano powders, NiCr-Cr3C2Mixing Nano powder, wherein, nanometer Cr3C2The preparation method of powder is：
Step one：Mixing：By ammonium dichromate powder and nanometer carbon black powder by weight 1：0.21 proportioning is placed in powder In the distilled water of gross weight 60%, it is mixed evenly in flow-like, it is in presoma to add compressing in square dies；Use 2Mpa In bulk after pressure compacting, thickness is depressed into for 3cm, and anxious jelly is carried out to facilitate；
Step 2：It is anxious to freeze：Presoma is quickly transferred to -140 DEG C of anxious freeze in space and carries out anxious jelly 30min；
Step 3：It is lyophilized：The anxious presoma frozen is quickly transferred in vacuum freeze drying cabin and freezed, lyophilized technique Curve is：
A, initial stage：0 DEG C~100 DEG C of plate temperature, heating slope 2 DEG C/min, 100 DEG C are kept for 30 minutes, be evacuated to 60Pa with It is interior；
B, mid-term：Plate temperature is cooled to 80 DEG C/min, is kept for 60 minutes, vacuum control is within 100Pa；
C, later stage, plate temperature are cooled to 50 DEG C/min, are kept for 200 minutes, vacuum control is within 80Pa.
Step 4：Carbonization：Vacuum freeze drying cabin cold-trap is closed, using the pattern of stage cooling again after being rapidly heated, 1200 DEG C are warming up in 30 minutes to keep being cooled to 1100 DEG C in 30 minutes, 10 minutes and keeping dropping again in 40 minutes, 10 minutes again Temperature is cooled to 900 DEG C in 20 minutes, 10 minutes to 1000 DEG C of insulations and kept for 10 minutes again, and the advantage of this stage cooling is, The stability of reaction is kept, and then the uniformity of carburizing reagent can be ensured and realized the more uniform nanoscale of granularity is made Chromium carbide, detected through SEM ESEMs, particle size is about that between 35-40nm, granularity gap is smaller.
The present embodiment simulates the spraying method of sinking roller 52, and step is：
Step 1) pre-treatment：To be sunk roller surface mechanical grinding, and polishing is entered using 1000# carborundum papers to substrate surface Row polishing, with washes of absolute alcohol, acetone degreasing；Sinking roller surface is mechanical grinding at least Sa3 grades of cleannes；Afterwards at sandblasting Reason, is that 0.5mm iron-sands are abrasive particle using particle diameter, compressed air pressure 1.2MPa, and sandblasting distance is 100mm, and sandblasting angle is 20 °, smart rugosity is set to reach RZ70 μm；
Step 2) spraying：Sprayed with HVOF methods：
NiCrY spraying method parameter is：Oxygen flow：2000SCFH；Kerosene oil flow：21LPH；Powder feed rate is： 5.5RPM；Spray distance 380mm；
NiCr-Cr3C2Spraying method parameter be：Oxygen flow：1900SCFH；Kerosene oil flow：23LPH；Powder feed rate For：5.5RPM；Spray distance 380mm.
The present embodiment simulates sinking roller 52, after testing：
Anchoring strength of coating is tested：According to the assay method of GB/T8642-2002 thermal spraying resisting binding strengths：It is obtained The intensity of coating reaches 97MPa；
Coating hardness is analyzed：Measured using Vickers, hardness reaches more than 1300HV,
Coating porosity is using painting cream method：By the paste even application containing test solution by cleaning and drying process Specimen surface.Test solution in paste penetrates into coating porosity, is acted on parent metal, spot of the generation with characteristic color, right Coloured speckle number is counted on lotion, you can obtain coating porosity, measures porosity 0.87%；
A kind of test method of the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, step is：
1st, strip 54 is looped around in simulation sinking roller 52, idler roller 53 and the driven roller 51 of spraying multi-element alloy coat, The joining seam firm welding of strip 54, polishes flat；The velocity of rotation of strip 54 is 180m/min；
2nd, the temperature of Heating Zn liquid 55 controls temperature to 460 DEG C or so by temperature controller 57；
3rd, start the operation strip 54 of motor 71 to work, idler roller 53 is adjusted by adding and subtracting weights quantity；
4th, per every other hour using the temperature of temperature measurer detection zinc liquid 55, it is ensured that the temperature of zinc liquid 55 is in setting value；
5th, per idler roller 53 is checked every other hour, weights are adjusted；
6th, the abrasion condition of zine plate 56 is scraped per inspection every other hour, that changes both sides in real time scrapes zine plate 56；
7th, per the situation of strip 54 is checked every other hour, strip 54 is changed in real time.
By the lasting fatigue test of this experimental rig, the service life for spraying the sinking roller 52 of multi-element alloy coat is up to 28 days.
During detection, inventor is investigated coating and the thermal shock resistance under a hot conditions is quenched every 10min at 500 DEG C Can, NiCr/Cr3C2-25NiCr coatings are through more than 50 circulations without peeling off.
Strength test：Using E-7 glue as binding agent, stretching experiment is carried out after solidification, with 0.1mm/min rate tensiles, When tensile strength is 97.5MPa, bonding sample is broken, and the plane of disruption is in glued layer, to show that anchoring strength of coating is more than 97.5MPa。
Embodiment 8
A kind of experimental rig of the sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, basic structure be the same as Example 7, no With and the improvement is that：The NiCrAlY spray layer thickness for simulating sinking roller 52 is 75 μm, and Cr contents are 20%, and Al content is 5%；Y contents are that 2%, Ni contents are 75%；NiCr-Cr3C2Composite coating thickness is 300 μm, Cr3C2Content is 80%, NiCr For 20%.
The multi-element alloy coat material of the simulation sinking roller 52 of the present embodiment prepares：NiCrAlY nano powders, NiCr-Cr3C2 Nano powder is mixed, wherein, nanometer Cr3C2The preparation method of powder is：
Step one：Mixing：By ammonium dichromate powder and nanometer carbon black powder by weight 1：0.19 proportioning is placed in powder In the distilled water of gross weight 60%, it is mixed evenly in flow-like, it is in presoma to add compressing in square dies；With In bulk after the compacting of 1.2Mpa pressure, thickness is depressed into for 2cm, and anxious jelly is carried out to facilitate；
Step 2：It is anxious to freeze：Presoma is quickly transferred to -120 DEG C of anxious freeze in space and carries out anxious jelly 80min；
Step 3：It is lyophilized：The anxious presoma frozen is quickly transferred in vacuum freeze drying cabin and freezed, lyophilized technique Curve is：
A, initial stage：0 DEG C~100 DEG C of plate temperature, heating slope 2 DEG C/min, 100 DEG C are kept for 40 minutes, be evacuated to 60Pa with It is interior；
B, mid-term：Plate temperature is cooled to 85 DEG C/min, is kept for 50 minutes, vacuum control is within 100Pa；
C, later stage, plate temperature are cooled to 55 DEG C/min, are kept for 120 minutes, vacuum control is within 80Pa.
Step 4：Carbonization：Vacuum freeze drying cabin cold-trap is closed, using the pattern of stage cooling again after being rapidly heated, 1200 DEG C are warming up in 40 minutes to keep being cooled to 1100 DEG C in 25 minutes, 10 minutes and keeping dropping again in 45 minutes, 10 minutes again Temperature is cooled to 900 DEG C in 30 minutes, 5 minutes to 1000 DEG C of insulations and kept for 5 minutes again, and the advantage of this stage cooling is, protects The stability of reaction is held, and then the uniformity of carburizing reagent can be ensured and realize that obtained granularity is more uniform nano level Chromium carbide, is detected through SEM ESEMs, and particle size is about that between 35-40nm, granularity gap is smaller.
The present embodiment simulates the spraying method of sinking roller 52, and step is：
Step 1) pre-treatment：To be sunk roller surface mechanical grinding, and polishing is entered using 900# carborundum papers to substrate surface Row polishing, with washes of absolute alcohol, acetone degreasing；Sinking roller surface is mechanical grinding at least Sa3 grades of cleannes；Afterwards at sandblasting Reason, is that 0.25mm iron-sands are abrasive particle using particle diameter, compressed air pressure 1.0MPa, and sandblasting distance is 90mm, and sandblasting angle is 20 °, smart rugosity is set to reach RZ50 μm；
Step 2) spraying：Sprayed with HVOF methods：
NiCrAlY spraying method parameter is：Spray tip oxygen flow：1950SCFH；Kerosene oil flow：20.82LPH； Powder feed rate is：5.0RPM；Spray distance 380mm；
NiCr-Cr3C2Spraying method parameter be：Spray tip oxygen flow：1850SCFH；Kerosene oil flow：22.7LPH； Powder feed rate is：5.0RPM；Spray distance 380mm；
The present embodiment simulates sinking roller 52, after testing：
Anchoring strength of coating is tested：According to the assay method of GB/T8642-2002 thermal spraying resisting binding strengths：It is obtained The intensity of coating reaches 103.6MPa；
Coating hardness is analyzed：Measured using Vickers, hardness reaches more than 1350HV；
Coating porosity is using painting cream method：By the paste even application containing test solution by cleaning and drying process Specimen surface.Test solution in paste penetrates into coating porosity, is acted on parent metal, spot of the generation with characteristic color, right Coloured speckle number is counted on lotion, you can obtain coating porosity, measures porosity 0.87%；
Service life evaluation method：According to high temperature zinc liquid corrosion experiment.Use the sinking roller high temperature resistant zinc liquid of the present embodiment The experimental rig of corrosive wear is detected that service life was more than 25 days.
Embodiment 9
A kind of experimental rig of the sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, basic structure be the same as Example 7, no With and the improvement is that：The NiCrAl spray layer thickness for simulating sinking roller 52 is 85 μm, and Cr contents are that 20%, Ni contents are 72.5%, Al content is 7%；NiCr-Cr3C2Composite coating thickness is 350 μm, Cr3C2Content is that 80%, NiCr is 20%.
The multi-element alloy coat material of the simulation sinking roller 52 of the present embodiment prepares：NiCrAl nano powders, NiCr-Cr3C2It is mixed Nano powder is closed, wherein, nanometer Cr3C2The preparation method of powder is：
Step one：Mixing：By ammonium dichromate powder and nanometer carbon black powder by weight 1：0.20 proportioning is placed in powder In the distilled water of gross weight 60%, it is mixed evenly in flow-like, it is in presoma to add compressing in square dies；With In bulk after the compacting of 1.4Mpa pressure, thickness is depressed into for 2.5cm, and anxious jelly is carried out to facilitate；
Step 2：It is anxious to freeze：Presoma is quickly transferred to -110 DEG C of anxious freeze in space and carries out anxious jelly 90min；
Step 3：It is lyophilized：The anxious presoma frozen is quickly transferred in vacuum freeze drying cabin and freezed, lyophilized technique Curve is：
A, initial stage：0 DEG C~100 DEG C of plate temperature, heating slope 2 DEG C/min, 100 DEG C are kept for 35 minutes, be evacuated to 60Pa with It is interior；
B, mid-term：Plate temperature is cooled to 80 DEG C/min, is kept for 50 minutes, vacuum control is within 100Pa；
C, later stage, plate temperature are cooled to 60 DEG C/min, are kept for 100 minutes, vacuum control is within 80Pa.
Step 4：Carbonization：Vacuum freeze drying cabin cold-trap is closed, using the pattern of stage cooling again after being rapidly heated, 1200 DEG C are warming up in 40 minutes to keep being cooled to 1100 DEG C in 25 minutes, 10 minutes and keeping dropping again in 45 minutes, 10 minutes again Temperature is cooled to 900 DEG C in 30 minutes, 5 minutes to 1000 DEG C of insulations and kept for 5 minutes again, and the advantage of this stage cooling is, protects The stability of reaction is held, and then the uniformity of carburizing reagent can be ensured and realize that obtained granularity is more uniform nano level Chromium carbide, is detected through SEM ESEMs, and particle size is about that between 30-35nm, granularity gap is smaller.
The present embodiment simulates the spraying method of sinking roller 52, and step is：
Step 1 pre-treatment：To be sunk roller surface mechanical grinding, and polishing is carried out using 900# carborundum papers to substrate surface Polishing, with washes of absolute alcohol, acetone degreasing；Sinking roller surface is mechanical grinding at least Sa3 grades of cleannes；Afterwards at sandblasting Reason, is that 0.15mm iron-sands are abrasive particle using particle diameter, compressed air pressure 1.3MPa, and sandblasting distance is 80mm, and sandblasting angle is 20 °, smart rugosity is set to reach RZ40 μm；
Step 2 is sprayed：Sprayed with HVOF methods：
NiCrAlY spraying method parameter is：Spray tip oxygen flow：1950SCFH；Kerosene oil flow：20.82LPH； Powder feed rate is：5.0RPM；Spray distance 380mm；
NiCr-Cr3C2Spraying method parameter be：Spray tip oxygen flow：1850SCFH；Kerosene oil flow：22.7LPH； Powder feed rate is：5.0RPM；Spray distance 380mm；
Step 3：Laser remolten PROCESS FOR TREATMENT is carried out after cooling with laser, laser power is 900W, and sweep speed is 550mm/min, 10 × 3mm of spot size.
Contrast test：NiCr/WC-Co coatings, granularity, thickness and technological parameter are identical, obtained NiCr/WC-Co coatings, Using metallography microscope hardness analysis, as shown in figure 3, by interface to facing surface, hardness is 236.5,271.5,361.2, 525.4、608.7、844.7。
The multi-element alloy coat of the present embodiment uses metallography microscope hardness analysis, as shown in figure 4, by interface to surface layer table Face, hardness is 253.4,334.1,751.2,1004.4,1122.9,1363.3.
It is as shown in Figure 5 that two kinds of coating cross sections hardness multi-point data acquisitions arrange result, it can be seen that NiCr/ of the invention Cr3C2- 20NiCr coatings are stepped up by interface to facing surface, microhardness, up to 1363.3HV.
Strength test：Using E-7 glue as binding agent, stretching experiment is carried out after solidification, with 0.1mm/min rate tensiles, When tensile strength is 115.0MPa, bonding sample is broken, and the plane of disruption is in glued layer, to show that anchoring strength of coating is more than 115.0MPa。
A kind of experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment is to spraying multi-element alloy coat Simulation sinking roller 52 carries out lasting fatigue test detection, and the life-span can be improved to 30 days or so.
Embodiment 10
A kind of experimental rig of the sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, basic structure be the same as Example 7, no With and the improvement is that：The NiCrAlY spray layer thickness for simulating sinking roller 52 is 75 μm, and Cr contents are that 20%, Ni contents are 78%, Al content is that 1%, Y contents are 1%；NiCr-Cr3C2Composite coating thickness is 300 μm, Cr3C2Content is 80%, NiCr For 20%.
The multi-element alloy coat material of the simulation sinking roller 52 of the present embodiment prepares：NiCrAlY nano powders, NiCr-Cr3C2 Nano powder is mixed, wherein, nanometer Cr3C2The preparation method of powder is：
Step one：Mixing：By ammonium dichromate powder and nanometer carbon black powder by weight 1：0.18 proportioning is placed in powder In the distilled water of gross weight 60%, it is mixed evenly in flow-like, it is in presoma to add compressing in square dies；With In bulk after the compacting of 1.1Mpa pressure, thickness is depressed into for 3cm, and anxious jelly is carried out to facilitate；
Step 2：It is anxious to freeze：Presoma is quickly transferred to -130 DEG C of anxious freeze in space and carries out anxious jelly 100min；
Step 3：It is lyophilized：The anxious presoma frozen is quickly transferred in vacuum freeze drying cabin and freezed, lyophilized technique Curve is：
A, initial stage：0 DEG C~100 DEG C of plate temperature, heating slope 2 DEG C/min, 100 DEG C are kept for 40 minutes, be evacuated to 60Pa with It is interior；
B, mid-term：Plate temperature is cooled to 85 DEG C/min, is kept for 50 minutes, vacuum control is within 100Pa；
C, later stage, plate temperature are cooled to 55 DEG C/min, are kept for 120 minutes, vacuum control is within 80Pa.
Step 4：Carbonization：Vacuum freeze drying cabin cold-trap is closed, using the pattern of stage cooling again after being rapidly heated, 1200 DEG C are warming up in 40 minutes to keep being cooled to 1100 DEG C in 25 minutes, 10 minutes and keeping dropping again in 45 minutes, 10 minutes again Temperature is cooled to 900 DEG C in 30 minutes, 5 minutes to 1000 DEG C of insulations and kept for 5 minutes again, and the advantage of this stage cooling is, protects The stability of reaction is held, and then the uniformity of carburizing reagent can be ensured and realize that obtained granularity is more uniform nano level Chromium carbide, is detected through SEM ESEMs, and particle size is about that between 35-40nm, granularity gap is smaller.
The present embodiment simulates the spraying method of sinking roller 52, and step is：
Step 1 pre-treatment：To be sunk roller surface mechanical grinding, and polishing is carried out using 900# carborundum papers to substrate surface Polishing, with washes of absolute alcohol, acetone degreasing；Sinking roller surface is mechanical grinding at least Sa3 grades of cleannes；Afterwards at sandblasting Reason, is that 0.20mm iron-sands are abrasive particle using particle diameter, compressed air pressure 1.3MPa, and sandblasting distance is 95mm, and sandblasting angle is 20 °, smart rugosity is set to reach RZ60 μm；
Step 2 is sprayed：Sprayed with HVOF methods：
NiCrAlY spraying method parameter is：Spray tip oxygen flow：1950SCFH；Kerosene oil flow：20.82LPH； Powder feed rate is：5.0RPM；Spray distance 380mm；
NiCr-Cr3C2Spraying method parameter be：Spray tip oxygen flow：1850SCFH；Kerosene oil flow：22.7LPH； Powder feed rate is：5.0RPM；Spray distance 380mm；
A kind of experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, after testing：
Anchoring strength of coating is tested：According to the assay method of GB/T8642-2002 thermal spraying resisting binding strengths：It is obtained The intensity of coating reaches 104.2MPa；
Coating hardness is analyzed：Measured using Vickers, hardness reaches more than 1310HV,
Coating porosity is using painting cream method：By the paste even application containing test solution by cleaning and drying process Specimen surface.Test solution in paste penetrates into coating porosity, is acted on parent metal, spot of the generation with characteristic color, right Coloured speckle number is counted on lotion, you can obtain coating porosity, measures porosity 1.37%；
Coating service life is detected：A kind of experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, makes With the life-span more than 30 days.
Embodiment 11
A kind of experimental rig of the sinking roller high temperature resistant corrosive wear of zinc solution of the present embodiment, basic structure be the same as Example 7, no With and the improvement is that：The NiCrAlY spray layer thickness for simulating sinking roller 52 is 85 μm, and Cr contents are that 20%, Ni contents are 72.5%, Al content is that 5.5%, Y contents are 2.0%；NiCr-Cr3C2Composite coating thickness is 450 μm, Cr3C2Content is 80%, NiCr are 20%.
The multi-element alloy coat material of the simulation sinking roller 52 of the present embodiment prepares：NiCrAlY nano powders, NiCr-Cr3C2 Nano powder is mixed, wherein, nanometer Cr3C2The preparation method of powder is：
Step one：Mixing：By ammonium dichromate powder and nanometer carbon black powder by weight 1：0.20 proportioning is placed in powder In the distilled water of gross weight 60%, it is mixed evenly in flow-like, it is in presoma to add compressing in square dies；With In bulk after the compacting of 1.4Mpa pressure, thickness is depressed into for 2.5cm, and anxious jelly is carried out to facilitate；
Step 2：It is anxious to freeze：Presoma is quickly transferred to -110 DEG C of anxious freeze in space and carries out anxious jelly 90min；
Step 3：It is lyophilized：The anxious presoma frozen is quickly transferred in vacuum freeze drying cabin and freezed, lyophilized technique Curve is：
A, initial stage：0 DEG C~100 DEG C of plate temperature, heating slope 2 DEG C/min, 100 DEG C are kept for 35 minutes, be evacuated to 60Pa with It is interior；
B, mid-term：Plate temperature is cooled to 80 DEG C/min, is kept for 50 minutes, vacuum control is within 100Pa；
C, later stage, plate temperature are cooled to 60 DEG C/min, are kept for 100 minutes, vacuum control is within 80Pa.
Step 4：Carbonization：Vacuum freeze drying cabin cold-trap is closed, using the pattern of stage cooling again after being rapidly heated, 1200 DEG C are warming up in 40 minutes to keep being cooled to 1100 DEG C in 25 minutes, 10 minutes and keeping dropping again in 45 minutes, 10 minutes again Temperature is cooled to 900 DEG C in 30 minutes, 5 minutes to 1000 DEG C of insulations and kept for 5 minutes again, and the advantage of this stage cooling is, protects The stability of reaction is held, and then the uniformity of carburizing reagent can be ensured and realize that obtained granularity is more uniform nano level Chromium carbide, is detected through SEM ESEMs, and particle size is about that between 30-35nm, granularity gap is smaller.
The spraying method of the simulation sinking roller 52 of the present embodiment, step is：
Step 1 pre-treatment：To be sunk roller surface mechanical grinding, and polishing is carried out using 900# carborundum papers to substrate surface Polishing, with washes of absolute alcohol, acetone degreasing；Sinking roller surface is mechanical grinding at least Sa3 grades of cleannes；Afterwards at sandblasting Reason, is that 0.15mm iron-sands are abrasive particle using particle diameter, compressed air pressure 1.3MPa, and sandblasting distance is 80mm, and sandblasting angle is 20 °, smart rugosity is set to reach RZ40 μm；
Step 2 is sprayed：Sprayed with HVOF methods：
NiCrAlY spraying method parameter is：Spray tip oxygen flow：1950SCFH；Kerosene oil flow：20.82LPH； Powder feed rate is：5.0RPM；Spray distance 380mm；
NiCr-Cr3C2Spraying method parameter be：Spray tip oxygen flow：1850SCFH；Kerosene oil flow：22.7LPH； Powder feed rate is：5.0RPM；Spray distance 380mm；
Step 3：Laser remolten PROCESS FOR TREATMENT is carried out after cooling with laser, laser power is 1000W, and sweep speed is 550mm/min, 10 × 3mm of spot size.
Embodiment 12
When the simulation sinking roller 52 of the present embodiment is sprayed with HVOF methods, spray tip is using as shown in Figure 6 more The structure of group nozzle 1, spray efficiency is high, and spraying is uniform；Multigroup nozzle 1 is fixed on outside the slurry passage 4 that section is in torch like The flared end opened, the neck external-open compressed air inlet pipeline 2 of slurry passage 4, and pressure is adjusted by gas pressure regulating valve 3, There is the tapered entrance of spray tip certain boundling to act on, and trunnion design can strengthen the erosion ability of slurry, while can also Make its more uniformly spreading on spray tip section.Multiinjector design can be sprayed using array spray gun as shown in Figure 7 Mouth, slurry is drawn into pipeline through grinding fluid pump, and before spray tip is entered, compressed air stream is entered by neck, produces boundary layer Turbulent diffusion is acted on, and will occur energy and momentum-exchange with the slurry that grinding fluid pumping takes, mixed slurry can be made to be divided into It is even.Array spray tip can reduce mixed zone similar to length of throat, and injection erosion is kept relative uniformity.
Schematical above that the present invention and embodiments thereof are described, the description does not have restricted, institute in accompanying drawing What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area Art personnel are enlightened by it, without departing from the spirit of the invention, are designed and the technical scheme without creative Similar frame mode and embodiment, all should belong to protection scope of the present invention.

Claims (10)

1. a kind of experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution, including zinc pot case (5), incubator (6) and control machine Structure (7), it is characterised in that in the bottom insertion incubator (6) of the zinc pot case (5)；Wherein：
Driven roller (51), the simulation sinking roller of the arrangement of falling isosceles triangle are fixed with the inwall of the zinc pot case (5) by bearing (52) and idler roller (53), simulation sinking roller (52) occupy it is lower set, partial simulation sinking roller (52) is submerged in zinc pot case (5) In zinc liquid (55)；The outer wall of driven roller (51), simulation sinking roller (52) and idler roller (53) is wound with strip (54)；
Incubator (6) internal heater (61), bottom of the heater (61) just to zinc pot case (5)；
The controlling organization (7) includes motor (71) and transmission belt (72), the motor (71) by transmission belt (72) and Driven roller (51) driven type is connected.
2. the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution according to claim 1, it is characterised in that：The zinc It is further fixed on scraping zine plate (56) on the inwall of pot case (5), strip (54) plate face is pressed close at the edge for scraping zine plate (56)；The heater (61) ground terminal (63) external incubator (6) tank wall is passed through.
3. the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution according to claim 2, it is characterised in that：It is described to scrape Zine plate (56) has two, is respectively provided with the tow sides of strip (54), and be positioned close to the bottom side of idler roller (53).
4. the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution according to claim 2, it is characterised in that：The zinc Temperature controller (57) is additionally provided with below zinc liquid (55) liquid level in pot case (5)；The controlling organization (7) also includes controller (73), temperature controller (57) and heater (61) external controller (73).
5. according to the experimental rig of any described sinking roller high temperature resistant corrosive wear of zinc solution of Claims 1-4, its feature exists In：Simulation sinking roller (52) roll surface cutting groove, groove is R2mm arc transitions with roll surface corner.
6. the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution according to claim 5, it is characterised in that：The band Steel (54) is in the endless belt of closing, and material is hot rolled plate；Zinc liquid (55) temperature is between 450~480 DEG C；Motor (71) is Variable-frequency motor；Strip (54) velocity of rotation is 45~180m/min.
7. the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution according to claim 6, it is characterised in that：The mould Intend sinking roller (52) spraying multi-element alloy coat, the multi-element alloy coat is followed successively by sinking roller basic unit, transition zone from inside to outside And working lining, the transition zone is NiCrAlY sprayed coatings；The working lining is NiCr-Cr3C2Composite coating.
8. the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution according to claim 7, it is characterised in that：It is described NiCrAlY spray layer thickness is 50~100 μm, and Cr contents are 10~30%, and Al content is 0~7%；Y contents are 1~3%；Institute State NiCr-Cr3C2Composite coating thickness is 200~500 μm, Cr3C2Content is that 70~80%, NiCr is 20~30%.
9. the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution according to claim 7, it is characterised in that：It is described to close Cr in gold plating3C2Powder base be nano powder, the Cr3C2The preparation method of nano powder is：
Step one：Mixing：Ammonium dichromate powder and nanometer carbon black powder are placed in distilled water or deionized water, mixed equal Even is in flow-like, and it is in presoma to add compressing in mould；The proportioning of ammonium dichromate and nanometer carbon black powder is 1：(0.17~ 0.21)；Distilled water or deionized water consumption are：The 55%~60% of powder gross weight；
Step 2：It is anxious to freeze：Presoma is quickly transferred to anxious freeze in space and carries out anxious jelly；Temperature is -100~-140 DEG C, and the time is 30~150min；
Step 3：It is lyophilized：The anxious presoma frozen is quickly transferred in vacuum freeze drying cabin and freezed；Lyophilized technique curve For：
A, initial stage：0 DEG C~100 DEG C of plate temperature, heating slope 2 DEG C/min, 100 DEG C are kept for 30~40 minutes, be evacuated to 60Pa with It is interior；
B, mid-term：Plate temperature is cooled to 80~85 DEG C/min, is kept for 50~60 minutes, vacuum control is within 100Pa；
C, later stage, plate temperature are cooled to 50~65 DEG C/min, are kept for 80~200 minutes, vacuum control is within 80Pa.
Step 4：Carbonization：Vacuum freeze drying cabin cold-trap is closed, 900~1200 DEG C of progress carbonizing reduction reactions that heat up, which are made, to be received Rice Cr3C2Powder.
10. the test method of the experimental rig of sinking roller high temperature resistant corrosive wear of zinc solution described in a kind of claim 2 to 9, it is special Levy and be, step is：
(1) strip (54) is looped around in simulation sinking roller (52), idler roller (53) and driven roller (51), strip (54) end lap weld Connect firmly, polish flat；
(2) Heating Zn liquid (55) temperature controls temperature between 450~480 DEG C by temperature controller (57)；
(3) start motor (71) operation strip (54) work, idler roller (53) is adjusted by adding and subtracting weights quantity；
(4) per every other hour using temperature measurer detection zinc liquid (55) temperature, it is ensured that zinc liquid (55) temperature is in setting value；
(5) per idler roller (53) is checked every other hour, weights are adjusted；
(6) zine plate (56) abrasion condition is scraped per inspection every other hour, changes scrape zine plate (56) in real time；
(7) per strip (54) situation is checked every other hour, strip (54) is changed in real time.
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Publication number Priority date Publication date Assignee Title
CN115369344A (en) * 2022-07-17 2022-11-22 新疆八一钢铁股份有限公司 Operation method for controlling production of ultra-thin ultra-wideband steel sink roll

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CN204779768U (en) * 2015-06-08 2015-11-18 辽宁科技大学 Continuous reduced anneal hot -galvanize device of belted steel for experiments

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Publication number Priority date Publication date Assignee Title
CN115369344A (en) * 2022-07-17 2022-11-22 新疆八一钢铁股份有限公司 Operation method for controlling production of ultra-thin ultra-wideband steel sink roll
CN115369344B (en) * 2022-07-17 2023-09-01 新疆八一钢铁股份有限公司 Operation method for controlling sinking roller for producing ultra-thin ultra-wide band steel

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