CN108004498A - A kind of high temperature hot-rolled steel furnace roller with high temperature resistance dross oxidation and corrosion abrasion-resistant coatings - Google Patents
A kind of high temperature hot-rolled steel furnace roller with high temperature resistance dross oxidation and corrosion abrasion-resistant coatings Download PDFInfo
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- CN108004498A CN108004498A CN201711489492.5A CN201711489492A CN108004498A CN 108004498 A CN108004498 A CN 108004498A CN 201711489492 A CN201711489492 A CN 201711489492A CN 108004498 A CN108004498 A CN 108004498A
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- Prior art keywords
- high temperature
- furnace roller
- dross
- oxidation
- corrosion
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- 238000005260 corrosion Methods 0.000 title claims abstract description 35
- 230000007797 corrosion Effects 0.000 title claims abstract description 34
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 33
- 230000003647 oxidation Effects 0.000 title claims abstract description 32
- 238000000576 coating method Methods 0.000 title claims description 10
- 229910000831 Steel Inorganic materials 0.000 title abstract description 8
- 239000010959 steel Substances 0.000 title abstract description 8
- 238000005299 abrasion Methods 0.000 title description 4
- 238000005098 hot rolling Methods 0.000 claims abstract description 29
- 239000002103 nanocoating Substances 0.000 claims abstract description 23
- 238000005524 ceramic coating Methods 0.000 claims abstract description 16
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 238000007750 plasma spraying Methods 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000010304 firing Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 235000006708 antioxidants Nutrition 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 244000132436 Myrica rubra Species 0.000 description 1
- 241000549556 Nanos Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000001996 bearing alloy Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000010121 slush casting Methods 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
Classifications
-
- 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
- C23C4/134—Plasma spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
-
- 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
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses a kind of high temperature hot rolling furnace roller with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion of steel mill's hot rolling line, including furnace roller (100), furnace roller (100) includes the furnace roller body (110) being arranged in stove and the furnace roller axle portion (120) for being arranged at furnace roller body (110) both ends, and functional nano ceramic coating (200) is provided with the working face of furnace roller body (110).The present invention has the high temperature hot rolling furnace roller of the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion, its wear-resistant service life of high temperature resistance dross oxidation and corrosion is more than 12 months, it is significantly longer than the wear-resistant service life of furnace roller roll surface high temperature resistance dross oxidation and corrosion in the prior art, allow the prolonged continuous firing of furnace roller, production cost is reduced, is improved work efficiency.
Description
Technical field
The invention belongs to the medium and high temperature furnace roller thermal spraying on surface technical field of steel mill's hot rolling line, and in particular to a kind of
The high temperature hot rolling furnace roller with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion for steel mill's hot rolling line.
Background technology
Conveying of the roller-way as strip product is used in the stove of steel plant's hot rolling line.Operating temperature in stove is about
For 500~1200 DEG C, furnace atmosphere is oxygen-containing or not oxygen-containing.Furnace roller is generally slush casting, and configuration of surface is plain-barreled roll or roughness
Very high red bayberry is granular, and material is generally high temperature resistant chrome-bearing alloy steel, and rotating speed is 0.25~80 m/min.Sent out in production process
Existing, there are different degrees of dross phenomenon, dross size the surface of furnace rolls to differ, just differ, and drastically influence plate
Surface quality with product.Research finds, the generation of dross is mainly due in process of production, when roll surface local adhesion is small
Piece iron scale, after bring the accumulation of iron scale into as steel plate enters in stove and be superimposed, and under the soft condition almost heated
Generation high-temperature oxydation and incrementally increase.Meanwhile at high operating temperatures, bond stratiform iron scale and hearth roll sticks the meeting of rolling
Even closer projection.Furthermore furnace atmosphere also has considerable influence for furnace roller dross, since combustion air is to be passed through spoke
Penetrate in pipe, when radiant tube metal outer pipe is intact, its good leakproofness ensure that combustion air is not likely to enter burner hearth
Radiant tube that is interior, but burning under long term high temperature, due to the use of reason, it is possible to produce crackle, causes combustion air from splitting
Enter in line in burner hearth and cause oxidizing atmosphere.The service life of furnace roller directly affects the normal operation of production line, and furnace roller
Dross also drastically influence product quality.
For hot rolling line, technology content highest, manufacture difficulty it is maximum be high temperature section furnace roller.The body of roll is grown
More than 1.5-5m, 800~2000mm of furnace roller diameter.The high temperature section furnace roller bears various heavy in 500-1200 DEG C of hot environment
Lotus is worn and gas attack, therefore, tired to furnace roller high temperature resistance, anti-oxidant, corrosion-resistant and abrasion resistance properties are more demanding.By
In the special operation condition condition of furnace roller, and the strict demand to plate surface quality, mistake of the furnace roller under working condition how is solved
Effect be now urgent need to resolve the problem of.
The content of the invention
The technical problems to be solved by the invention be for the above-mentioned hot rolling of steel mill in the prior art, in rolling mill production line,
A kind of the defects of present in high-temperature furnace roller, there is provided high temperature with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion
Hot rolling furnace roller.
To achieve the above object, the present invention uses following technical scheme：
The present invention provides a kind of high temperature hot rolling stove with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion
Roller, including furnace roller 100, the furnace roller 100 include the furnace roller body 110 being arranged in stove and are arranged at 110 both ends of furnace roller body
Furnace roller axle portion 120, be provided with functional nano ceramic coating 200 on the working face of the furnace roller body 110.
Further, in the high temperature hot rolling with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion
On furnace roller, the length of the furnace roller body 110 is 1.5~more than 5m, a diameter of 800~2000mm.
It is further preferred that in the high temperature with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion
On hot rolling furnace roller, the control to spraying coating process condition is passed through on the working face of furnace roller body 110 using plasma spraying technology
Prepare the functional nano ceramic coating 200.
Further more preferably, there is the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion described
On high temperature hot rolling furnace roller, the functional nano ceramic coating 200 is chromic oxide-based ceramic composite.
It is further preferred that in the high temperature with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion
On hot rolling furnace roller, the spraying coating process condition include hydrogen and argon flow amount, spray distance, spray angle, for powder rate and carrier gas
Flow, the power of electric arc, the adjustment control of Current Voltage, the flow of plasma water and the control of substrate temperature.
Further, in the high temperature hot rolling with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion
On furnace roller, the thickness of the functional nano ceramic coating 200 is 150-300 μm.
The present invention uses above-mentioned technical proposal, compared with prior art, has the following technical effect that：
High temperature hot rolling furnace roller provided by the invention with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion,
By setting the functional nano ceramic coating prepared by plasma spraying technology on the roll surface of furnace roller body, there is the painting
The wear-resistant service life of furnace roller high temperature resistance dross oxidation and corrosion of layer is more than 12 months, is significantly longer than in the prior art
High-temperature furnace roller roll surface high temperature resistance dross oxidation and corrosion anti abrasive effective period so that furnace roller can continue for a long time
Work, the defects of reducing production cost, improve work efficiency, improve the prior art.
Brief description of the drawings
Fig. 1 is a kind of high temperature hot rolling stove with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion of embodiment
The structure diagram of roller；
Fig. 2 is a kind of high warm with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion of preferred embodiment
Roll the structure diagram of furnace roller；
Wherein, each reference numeral is：100- furnace rollers, 110- furnace roller bodies, 120- furnace roller axle portions, 200- functional nanos
Ceramic coating, 300- intermediate layers, 400- metal back layers.
Embodiment
The present invention is described in more detail below by specific embodiment, for a better understanding of the present invention,
But following embodiments are not intended to limit the scope of the invention.
As shown in Figure 1, an embodiment of the present invention provides one kind to have the wear-resistant nanometer of high temperature resistance dross oxidation and corrosion
The high temperature hot rolling furnace roller of coating, including furnace roller 100, furnace roller 100 include the furnace roller body 110 being arranged in stove and are arranged at stove
The furnace roller axle portion 120 at 110 both ends of roller body, is provided with functional nano ceramic coating on the working face of furnace roller body 110
200, the length of furnace roller body 110 is 1.5~more than 5m, a diameter of 800~2000mm.This nanometer of protective layer functional nano
Ceramic coating 200 has high temperature resistance dross, anti-oxidant, corrosion-resistant, abrasion resistance properties, is applied on the working face of furnace roller body 110
After nanometer protective layer, the coating high temperature resistance dross oxidation and corrosion of furnace roller body 100 can be made wear-resistant using week
Phase is more than 12 months, is significantly longer than that high-temperature furnace roller roll surface high temperature resistance dross oxidation and corrosion is wear-resistant in the prior art makes
With the cycle so that high-temperature furnace roller can prolonged continuous firing.
On the high temperature hot rolling furnace roller that the present embodiment has the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion,
Feature is prepared by the control to spraying coating process condition on the working face of furnace roller body 110 using plasma spraying technology
Nano ceramic coat 200, functional nano ceramic coating 200 are chromic oxide-based ceramic composite.Spraying coating process condition includes
Hydrogen and argon flow amount, spray distance, spray angle, for the flow of powder rate and carrier gas, the power of electric arc, Current Voltage tune
The control of section control, the flow of plasma water and substrate temperature.
In addition, there is the high temperature hot rolling stove of the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion in the present embodiment
On roller, the thickness of functional nano ceramic coating 200 is 150-300 μm, is preferably 160-280 μm, is more preferably 180-260 μ
M, more preferably 200-240 μm.
In addition, another preferred embodiment as the present embodiment, as shown in Fig. 2, should be anti-oxidant with high temperature resistance dross
The high temperature hot rolling furnace roller of anticorrosive anti-wear nano coating further includes the metal back layer 400 being sprayed on successively on working face, centre
Transition zone 300, functional nano ceramic coating 200 are coated in the upper surface of intermediate layer 300, and intermediate layer 300 coats
In 400 upper surface of metal back layer, for metal back layer 400 using the Ni sills for including Ni, Cr, Al, its thickness is 80-100 μm；
For intermediate layer 300 using the Ni sills for including Ni, Cr, Al, W, its thickness is 50-80 μm.
High temperature hot rolling stove provided by the present invention with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion
Roller, chromic oxide-based ceramic composite and the plasma spray coating process technology of use, carries out furnace roller body protection processing, complete
Good solves the problems, such as that existing furnace roller body working face oxidation and corrosion is anti abrasive, is effectively improved furnace roller body
Wearability and anti-corrosion property energy, effectively prevent the accident that furnace roller halt production is shut down and occur, so that achieve the purpose that energy saving, consumption reduction, it is real
Border service life extends to original 5 times.
The specific embodiment of the present invention is described in detail above, but it is intended only as example, it is of the invention and unlimited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
Substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Modification, all should be contained within the scope of the invention.
Claims (6)
1. a kind of high temperature hot rolling furnace roller with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion, including furnace roller
(100), the furnace roller (100) includes the furnace roller body (110) being arranged in stove and the stove for being arranged at furnace roller body (110) both ends
Roll shaft portion (120), it is characterised in that functional nano ceramic coating is provided with the working face of the furnace roller body (110)
(200)。
2. the high temperature hot rolling stove according to claim 1 with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion
Roller, it is characterised in that the length of the furnace roller body (110) is 1.5~more than 5m, a diameter of 800~2000mm.
3. the high temperature hot rolling stove according to claim 1 with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion
Roller, it is characterised in that using plasma spraying technology on the working face of furnace roller body (110) by spraying coating process condition
Prepare the functional nano ceramic coating (200).
4. the high temperature hot rolling stove according to claim 3 with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion
Roller, it is characterised in that the functional nano ceramic coating (200) is chromic oxide-based ceramic composite.
5. the high temperature hot rolling stove according to claim 3 with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion
Roller, it is characterised in that the spraying coating process condition include hydrogen and argon flow amount, spray distance, spray angle, for powder rate and load
The control of the flow of gas, the power of electric arc, the adjustment control of Current Voltage, the flow of plasma water and substrate temperature.
6. the high temperature hot rolling stove according to claim 1 with the wear-resistant nano coating of high temperature resistance dross oxidation and corrosion
Roller, it is characterised in that the thickness of the functional nano ceramic coating (200) is 150-300 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711489492.5A CN108004498A (en) | 2017-12-29 | 2017-12-29 | A kind of high temperature hot-rolled steel furnace roller with high temperature resistance dross oxidation and corrosion abrasion-resistant coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711489492.5A CN108004498A (en) | 2017-12-29 | 2017-12-29 | A kind of high temperature hot-rolled steel furnace roller with high temperature resistance dross oxidation and corrosion abrasion-resistant coatings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108004498A true CN108004498A (en) | 2018-05-08 |
Family
ID=62049311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711489492.5A Pending CN108004498A (en) | 2017-12-29 | 2017-12-29 | A kind of high temperature hot-rolled steel furnace roller with high temperature resistance dross oxidation and corrosion abrasion-resistant coatings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108004498A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110923607A (en) * | 2019-12-27 | 2020-03-27 | 上海英佛曼纳米科技股份有限公司 | Cold rolling loop roller with wear-resistant and roughness-reduction-resistant nano coating |
| CN115044762A (en) * | 2022-08-17 | 2022-09-13 | 靖江市润新表面工程技术有限公司 | Silicon steel furnace roller and processing method thereof |
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