TH62796A - How to remove rust flakes to strip materials - Google Patents

Abstract

DC60 (09/04/45) Method for removing rust scale from rolled strip material using a rust remover sprayer, similar to the decorative train, positioned in the direction of the strip material's movement. After the rust remover sprayer is exposed, the strip material will have pressurized water acting on it at the top and between the rust remover sprayer and the inside of the rolled strip. To minimize the disadvantage of temperature differences and varying rust scale buildup between the top and bottom of the strip material within the decorative train, it is recommended to maintain a symmetrical temperature distribution at the top and bottom of the strip material within the rust remover sprayer and keep it as constant as possible within the decorative train. Method for removing rust scale from rolled strip material using a rust remover sprayer, similar to the decorative train, positioned in the direction of the strip material's movement. After the rust remover sprayer is exposed, the strip material will have pressurized water acting on it at the top and between the rust remover sprayer and the inside of the rolled strip. When spraying rust remover and within the rolling process, to minimize the disadvantageous effect of temperature variations and the increase in rust scale buildup between the top and bottom of the inner decorative strip material, it is recommended to maintain a symmetrical temperature distribution at the top and bottom of the strip material in the rust remover sprayer and keep it as constant as possible within the said decorative process.

Claims (9)

1. The method for removing rust scale in a winding process using a rust scale sprayer is similar to that of a finishing process positioned in the direction of material movement behind such a rust scale sprayer, where the material strip is watered at the top and bottom at the rust scale removal pressure in the rust scale sprayer and is cooled within such a finishing process, characterized by a symmetrical temperature distribution at the top and bottom (5, 6) of the material strip (4) in the rust scale sprayer (3) and is maintained by the same method within such a finishing process. 2. The method under claim 1 is characterized by the application of water to the strip material (4) at rust removal pressure in the rust removal sprayer (3) at multiple positions (7, 8) which are positioned alternately in the direction of movement (2), with the final position (8) in the direction of movement at the bottom (6) being at a distance (11) from the final position (7) at the top (5) and closer to the finishing train (1). 3. Any method under claim 1 or 2, which has the characteristic that the bottom (6) uses a total volume of water at rust removal pressure greater than the top (5) of the strip material (4). 4. Any of the methods under claims 1 through 3, with the last (6) being the use of water at a pressure lower than 4 and 10 bar in addition to the use of water at a pressure to remove rust scale. 5. The method under claim 4 is characterized by the application of lower pressure water in the direction of movement (2) of the strip material (4) before and/or after the final position (8) at the bottom (6) of the strip material (4) where the strip material will be subjected to pressure water to remove rust scales. 6. Any method under claim 4 or 5, with a specific characteristic in which the amount of water applied to the strip material (4) at the rust removal pressure and lower pressure can be adjusted. 7. The method under claim 6 is characterized by the following, in which, as a control variable of the control circuit, the top and bottom temperatures (5, 6) of the strip material (4) are measured non-contact, specifically using a pyrometer in the direction of movement (2) of the strip material after the descaling spray (3) and/or the winding torque on at least one of the finishing process (1) platforms above and below the strip material (4) are measured and the adjustable water volume is changed as a control variable of the computerized control circuit (14). 8. Any of the methods under claims 1 through 8 shall have a specific characteristic in which the strip material (4) shall have at least the least amount of water acting between the first two platforms F1, F2 of the decoration train, with the lowest (6) having a greater total amount of water use than the highest (5) of the strip material (4). 9. Any one of the claims 1 through 9 shall be constructed with a specific characteristic in which the upper and lower beams are positioned in an overlapping manner.