Guide plate with corrosion-resistant and anti-sticking zinc nano coating

Abstract

The utility model provides a flow guide plate with a corrosion-resistant and anti-sticking zinc nano coating, a plurality of coatings are coated on the flow guide plate and are respectively a bottom layer and a functional layer, the bottom layer is combined with the flow guide plate, the thickness of the coatings of the bottom layer and the functional layer is 150-200mu m, the density of the bottom layer and the functional layer is greater than 99%, and the granularity of the bottom layer and the functional layer is less than 100nm. The flow guide plate with the corrosion-resistant zinc-sticking-resistant nano coating has the advantages of being good in zinc sticking resistance, corrosion resistance, scouring resistance and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steel metallurgy, concretely relates to a guide plate with corrosion -resistant anti -sticky zinc nanometer coating connected with slag dam. BACKGROUND

[0002] In the process of steel metallurgy, the guide plate mainly plays the role of shunting. For example, when the special-shaped billet continuous casting machine is started to produce, the ladle injection flows through the flow stabilizer and the guide plate in turn and flows out, and the liquid flows out under the block of the slag dam, and after the middle page exceeds the height of the slag dam, finally flows to the two sizing water mouths of the middle injection, and the shunting of the guide plate makes the composition and temperature of the liquid in the special-shaped billet tundish even, promotes the floating and removal of inclusions. In this process, the surface coating of the guide plate needs to withstand the high temperature scouring of high temperature liquid, and needs to have good corrosion resistance and anti-scouring effect. SUMMARY

[0003] The utility model discloses a kind of guide plates with corrosion -resistant anti -sticky zinc nanometer coating, solve one or more of the above prior art problems.

[0004] The utility model discloses a kind of guide plates with corrosion -resistant anti -sticky zinc nanometer coating, guide plate is coated with multilayer coating, respectively for bottom layer and functional layer, bottom layer is combined with guide plate, functional layer is combined with bottom layer, the coating thickness of bottom layer and functional layer is 150-200um, density is >99%, particle size is <100nm. First coating bottom layer on guide plate provides the adhesion effect of high bonding force for guide plate, after coating functional layer on bottom layer, functional layer is combined with bottom layer to provide corrosion resistance for guide plate.

[0005] In some embodiments, the guide plate is provided with a connecting end face, and the coating is arranged away from the connecting end face.

[0006] In some embodiments, the connecting end face is arranged at the upper and lower two side end portions of the guide plate.

[0007] In some embodiments, the guide plate is arranged to be inclined, and the inclination angle of the guide plate is 50°-60°.

[0008] In some embodiments, the inclination angle of the guide plate is 50°, a first inclined surface is arranged at the upper end portion of the guide plate, the first inclined surface is connected with the upper side inclined surface of the guide plate, and the included angle between the extension line of the first inclined surface and the extension line of the upper side inclined surface is 150°.

[0009] In some embodiments, the inclination angle of the guide plate is 60°, a second inclined surface is arranged at the upper end portion of the guide plate, the second inclined surface is connected with the lower side inclined surface of the guide plate, and the included angle between the extension line of the second inclined surface and the extension line of the lower side inclined surface is 150°.

[0010] In some embodiments, the flatness positive tolerance of the flow guide plate is less than or equal to 2mm. In some embodiments, the straightness of the flow guide plate is within 2mm.

[0011] The flow guide plate with the corrosion-resistant and zinc-adhesion-resistant zinc nano coating has the following advantages: the average service life of the coating on the flow guide plate with the corrosion-resistant and zinc-adhesion-resistant zinc nano coating is greater than 180 days, and the microhardness is HV>1000; the tensile bonding strength of the coating is greater than 12000 PSI; the coating can remain intact within the specified service period (180 days) without external force and accidental damage, and does not have peeling and falling-off damage, and has good zinc-adhesion-resistant, corrosion-resistant and erosion-resistant properties. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The drawings show the cross-sectional structure of the flow guide plate with the corrosion-resistant and zinc-adhesion-resistant zinc nano coating in some embodiments of the present application.

[0013] Figure 2 The drawings show the cross-sectional structure of the flow guide plate with the corrosion-resistant and zinc-adhesion-resistant zinc nano coating in some embodiments of the present application. DETAILED DESCRIPTION

[0014] In order to further clarify the purpose, technical scheme and advantages of the present application, the present application will be further described below with reference to the drawings. The drawings of the present application are structure block diagrams for simple and easy reading, and cannot limit the true purpose of the present application.

[0015] In combination with the content shown in Figure 1 and Figure 2 , the present embodiment proposes a flow guide plate with a corrosion-resistant and zinc-adhesion-resistant zinc nano coating. The flow guide plate is coated with a bottom layer and a functional layer. The bottom layer is combined with the flow guide plate, and the coating thickness of the bottom layer and the functional layer is 150-200um, the density is >99%, and the particle size is <100nm. The flow guide plate is provided with a connecting end surface connected with other components. The coating on the flow guide plate is arranged away from the connecting end surface, which facilitates the connection between the connecting end surface and other components through welding technology. The bottom layer can be a nano Ni or Cr-based material, and the functional layer can directly use existing high-temperature-resistant, zinc-erosion-resistant and zinc-adhesion-resistant active metal (such as Ni, Cr, Co, etc.) coating without free metal.

[0016] In some specific embodiments, the connecting end surface is arranged on the upper and lower two side end portions of the flow guide plate. In some specific embodiments, the inclination angle of the flow guide plate is 50°-60°.

[0017] The flatness positive tolerance range of the guide plate is less than or equal to 2mm, and the straightness of the guide plate is within 2mm.

[0018] Embodiment 1

[0019] In combination Figure 1 According to the above, when the guide plate is the first guide plate 101, the angle between the first guide plate 101 and the horizontal plane is a1°, a1 is 50, the upper end of the first guide plate 101 is provided with a first inclined surface 1012, the first inclined surface 1012 is connected with the upper inclined surface 1011 of the first guide plate 101, and the angle between the extension line of the first inclined surface 1012 and the extension line of the upper inclined surface 1011 is b1°, b1 is 150.

[0020] Embodiment 2

[0021] In combination Figure 2 According to the above, when the guide plate is the second guide plate 102, the angle between the second guide plate 102 and the horizontal plane is a2°, a2 is 60, the upper end of the second guide plate 102 is provided with a second inclined surface 1022, the second inclined surface 1022 is connected with the lower inclined surface 1021 of the second guide plate 102, and the angle between the extension line of the second inclined surface 1022 and the extension line of the lower inclined surface 1021 is b2°, b2 is 150.

[0022] The above-mentioned undisclosed matters can be realized by using the existing technology, and thus will not be described here.

[0023] The above-mentioned only is the preferred mode of the utility model, it should be pointed out, for ordinary skilled person in the art, under the premise of not departing from the utility model creation idea, can also make a number of similar deformation and improvement, these also should be regarded as the protection range of the utility model.

Claims

1. A guide vane having a corrosion resistant anti-stick zinc nano-coating, characterized in that, The guide plate is coated with a multilayer coating, which is a bottom layer and a functional layer. The bottom layer is combined with the guide plate, and the functional layer is combined with the bottom layer. The coating thickness of the bottom layer and the functional layer is 150-200μm. The density of the bottom layer and the functional layer is greater than 99%. The particle size of the bottom layer and the functional layer is less than 100nm. The guide plate is provided with a connecting end face. The coating is arranged away from the connecting end face. The guide plate is arranged obliquely. The inclination angle of the guide plate is 50°-60°. The flatness positive tolerance of the guide plate is less than or equal to 2㎜.

2. The anti-corrosion and anti-sticking zinc nano-coated guide vane of claim 1, wherein, The connecting end face is arranged on the upper and lower sides of the end of the guide plate.

3. The anti-corrosion and anti-sticking zinc nano-coated guide vane of claim 1, wherein, The inclination angle of the guide plate is 50°. The upper end of the guide plate is provided with a first inclined surface. The first inclined surface is connected with the upper side of the guide plate. The included angle between the extension line of the first inclined surface and the extension line of the upper side is 150°.

4. The corrosion resistant and anti-sticking zinc nanocoating having guide vane according to claim 1, characterized in that, The inclination angle of the guide plate is 60°. The upper end of the guide plate is provided with a second inclined surface. The second inclined surface is connected with the lower side of the guide plate. The included angle between the extension line of the second inclined surface and the extension line of the lower side is 150°.

5. The corrosion resistant and anti-sticking zinc nanocoating having guide vane according to claim 1, characterized in that, The straightness of the guide plate is within 2㎜.

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