Method for decreasing emulsion concentration of five-rack continuous-rolling unit rolling mill emulsion system

An emulsion system and emulsion technology, applied in the field of cold rolling in the field of iron and steel metallurgy, can solve the problems of reducing the cleaning performance of steel plates and increasing the concentration of the No. 3 emulsion tank, and achieve the effects of preventing channeling, saving costs, and saving consumption

Inactive Publication Date: 2017-10-13
BAOTOU IRON & STEEL GRP
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Problems solved by technology

[0006] In the actual production process of cold rolling, due to the fast rolling speed, a large amount of high-concentration emulsion enters the No. 3 emulsion tank

Method used

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  • Method for decreasing emulsion concentration of five-rack continuous-rolling unit rolling mill emulsion system
  • Method for decreasing emulsion concentration of five-rack continuous-rolling unit rolling mill emulsion system

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Embodiment Construction

[0029] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] The invention provides a method for reducing the emulsification concentration of the rolling mill emulsion system of a five-stand continuous rolling mill. By installing valves, using the concentration difference between the pump group of the system and the large and small systems, the channeling between the emulsion systems can be directly realized, and the concentration of the emulsion can be changed.

[0031] In a specific embodiment, the present invention provides a method for reducing the emulsification concentration of the rolling mill emulsion system of a five-stand continuous rolling mill.

[0032] A method for reducing the emulsification concentration of the rolling mill emulsion system of a five-stand continuous roll...

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Abstract

The invention discloses a method for reducing the emulsification concentration of the rolling mill emulsion system of a five-stand continuous rolling mill. The method includes: transforming the existing five-stand continuous rolling mill mill emulsion system, between No. 1 emulsion tank, No. 2 emulsion tank and No. 3 emulsion tank of the five-stand continuous rolling mill emulsion system In the production process, the low-concentration emulsion in the No. 3 emulsion tank is realized by adding rolling oil, and the desalted water that meets the preset temperature requirements is prepared in the No. 2 emulsion tank; The concentration difference between the pump group of the system and the high-concentration and low-concentration emulsion directly realizes the channeling between the emulsion tanks and realizes the change of the emulsion concentration. The method can effectively save the amount of compressed air, and the operation is convenient, and the emulsion does not need to be discharged, which saves the cost.

Description

technical field [0001] The invention relates to the technical field of cold rolling in the field of iron and steel metallurgy, in particular to a method for reducing the emulsification concentration of a rolling mill emulsion system of a five-stand continuous rolling mill. Background technique [0002] In the metal rolling process, the use of technological lubrication can effectively reduce friction, reduce rolling pressure, control wear and improve the surface quality of rolled materials. In the process of steel production, after lubricated by rolling process, energy consumption per ton of steel can be reduced by 5% to 10%, metal loss can be reduced by 15% to 20%, surface defect rate can be reduced by 30% to 50%, and yield can be increased 0.5% to 1.0%. For this reason, a large number of emulsions are used as industrial lubricants in the cold rolling production process. In the actual production process, the emulsion is required to have good lubricating performance, excelle...

Claims

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Application Information

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IPC IPC(8): B21B45/02
CPCB21B45/0248
Inventor 韩玉龙
Owner BAOTOU IRON & STEEL GRP
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