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Corrosion resistant and anti-nodulation sink roller

An anti-nodulation and sinking roll technology, applied in coating, metal material coating process, hot-dip plating process, etc., can solve problems such as waste of resources, affecting product quality, poor flow, etc., and achieve strong resistance to high aluminum and zinc Liquid corrosion ability, solve the problem of nodulation, and improve the effect of corrosion resistance

Inactive Publication Date: 2017-05-10
王秋林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the sinking rollers of the prior art also have certain defects: since the spiral groove is an equal-width spiral groove, the flow velocity of the aluminum-zinc-iron alloy element is basically the same when flowing in the spiral groove, and the resistance is greater when it flows to both sides, so the flow is not good. smooth, a small part forms nodules on the surface of the roller, which affects product quality, increases labor intensity, and causes waste of resources

Method used

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  • Corrosion resistant and anti-nodulation sink roller

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Embodiment Construction

[0013] The present invention will be further described below according to the accompanying drawings and in conjunction with the embodiments.

[0014] The anti-corrosion and anti-nodulation sinking roller shown in the accompanying drawings includes a cylindrical roller body 1 and a roller shaft 2; the axially symmetrical center line of the roller body 1 is used as the dividing line, and opposite sides of the dividing line are provided on the surfaces of the roller body 1. The spiral groove 1.1 in the direction of rotation; the bottom of the spiral groove 1.1 is arc-shaped, and the spiral groove 1.1 becomes wider and wider from the dividing line to both sides.

[0015] The surface of the roller body is provided with a corrosion-resistant layer. In this embodiment, the surface of the roller body 1 is sprayed with a layer of ternary boride ceramic composite powder.

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Abstract

The invention discloses a corrosion resistant and anti-nodulation sink roller comprising a cylindrical roller body and a roller shaft; the axial symmetrical center line of the roller body serves as a boundary line, and spiral grooves with opposite spiral directions are arranged on the position, on the two sides of the boundary line, of the surface of the roller body; the bottom of each spiral groove is in an arc shape; the spiral grooves become increasingly wide from the boundary line to the two sides of the roller body; and a further improvement is that a corrosion resistant layer is arranged on the surface of the roller body. By changing the widths of the spiral grooves, alloy elements of aluminum zinc and iron flow smooth in the spiral grooves, so that the problem of forming nodulations on the surface of the roller is solved thoroughly.

Description

technical field [0001] The invention relates to a sinking roll on a hot-dip galvanizing line. Background technique [0002] The sinking roll is one of the important equipments on the hot-dip galvanizing line. During the galvanizing process, aluminum, iron and zinc alloy elements will adhere to the roller surface to form uneven nodules, that is, sticky slag; in addition, during the operation of the roller, the zinc liquid will often accumulate in the middle of the roller, which will not flow. The zinc liquid comes into contact with the roller, and the zinc-iron alloy is also attached to the surface of the roller. The above phenomenon aggravates with the passage of time, causing the strip to be arched and bulging, which seriously affects the product quality of the galvanized sheet. In this case, the sinking roller with sticky slag has to be replaced frequently, which affects production, increases labor intensity, and also causes waste of resources. In order to solve the abo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C2/06C23C2/40
CPCC23C2/003C23C2/06C23C2/40
Inventor 王秋林
Owner 王秋林
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