Injection device and method for uniformly lubricating roll gap of rolling mill
A technology of spraying device and spraying method, which is applied in the direction of rolling, metal rolling, metal rolling, etc., and can solve the problems of easy dripping and splashing of emulsion
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[0051] Example
[0052] like Figure 4 As shown, a second spray device 103 is arranged on the lower surface of the strip steel 104, and this part of the emulsion is directly sprayed on the surface of the rotating work roll through the spray frame 103, and this part of the emulsion is brought to the surface of the rotating work roll through the rotation of the work roll. The emulsified liquid phase directly sprayed on the surface of the strip steel by the spray frame 102 merges into the lower roll gap to form a certain lubricating oil film thickness. This cleverly solves the problems that the lower spray frame 102 is prone to dripping and splashing when the emulsion flow rate is too small and the thickness of the oil film is too small for insufficient lubrication.
[0053] The injection method of the injection device of the present invention is specifically:
[0054] In the first step, equipment modification, a second spraying rack 103 is arranged on the lower surface of the ...
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