Method for blocking backflow of emulsified liquid with low inertia force

An emulsion, low inertia technology, applied in workpiece surface treatment equipment, metal rolling, manufacturing tools, etc., can solve the problems of increased emulsion consumption, difficult plate shape control, and inconvenient collection of emulsion, and the method is simple. , The effect of preventing the backflow of the emulsion

Inactive Publication Date: 2010-09-15
WISDRI ENG & RES INC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

exist figure 1 In the process, the entrance squeeze roller 3 at the entrance will throw the returned emulsion in the frame to the entrance during the squeeze process, which will affect the normal operation of the thickness gauge. ...

Method used

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  • Method for blocking backflow of emulsified liquid with low inertia force
  • Method for blocking backflow of emulsified liquid with low inertia force
  • Method for blocking backflow of emulsified liquid with low inertia force

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Embodiment Construction

[0014] The blocking method of low inertial force reflux of emulsion, it comprises the steps:

[0015] 1) On the inlet side of the cold rolling mill, an emulsion low inertial force backflow blocking device 7 on the inlet side is installed (located between the inlet coiler 2 and the inlet cooling lubricating fluid injection beam 4), and the emulsion on the inlet side has a low inertial force The rubber scraper of the backflow blocking device 7 is located above the strip steel passing line; the emulsion low inertia force backflow blocking device 10 on the outlet side is installed on the outlet side of the cold rolling mill, and the emulsion low inertia force backflow blocking device 10 on the outlet side The rubber scraper of the device is located above the strip passing line;

[0016] 2) After switching the rolling passes of the rolling mill, when the rolling speed of the cold rolling mill is lower than 4m / s, put down the rubber scraper of the emulsion low inertia force backflow...

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Abstract

The invention belongs to the technical field of cold-rolled emulsified spot processing, and in particular relates to a method for blocking backflow of emulsified liquid with low inertia force, which is applied to various cold mill trains. The method for blocking the backflow of the emulsified liquid with low inertia force is characterized by comprising the following steps of:1) arranging a rubber scraper on the inlet side of a cold mill, and arranging a rubber scraper on the outlet side of the cold mill, wherein the rubber scraper on the inlet side and the rubber scraper on the outlet side are all positioned above a steel strip passing line; and 2) after the mill completes switching rolling passes, putting down the rubber scraper on the inlet side to press against the upper surface of a steel strip so as to block the backflow of the emulsified liquid when the rolling speed of the cold mill is less than 4m/s, lifting the rubber scraper to leave the upper surface of the steel strip when the rolling speed of the cold mill is more than or equal to 4m/s, and in the process, always lifting the rubber scraper on the outlet side. The method has the characteristic of simpleness, and can prevent the backflow of the emulsified liquid during low-speed rolling of the mill.

Description

technical field [0001] The invention belongs to the technical field of emulsification spot treatment in cold rolling, and in particular relates to a method for blocking the backflow of emulsion with low inertia force when switching rolling passes of a single-stand reversible cold rolling mill, which is applied to various cold rolling mill units. Background technique [0002] When the single-stand reversing cold rolling mill switches between rolling passes, when the rolling speed is lower than 4m / s (the emulsion returns with low inertial force), a large amount of emulsion used for rolling lubrication returns to the inlet side, causing the finished product There are a lot of emulsion residues in the head and tail of the steel coil, which not only reduces the yield of cold-rolled products, but also increases the consumption of rolling oil. Traditionally, squeezing rollers are added at the entrance and exit of the rolling mill, such as figure 1 As shown, use a squeeze roller to...

Claims

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Application Information

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IPC IPC(8): B21B28/00B21B45/02
CPCB21B2027/103B21B45/0284B21B27/10
Inventor 杨威丁文红贺文健邹振华王毅
Owner WISDRI ENG & RES INC LTD
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