Patent · US Expired

Pickling plant and method of controlling the same

US6096137A · kind A · utility

5Cited by
0References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 1998
Grant dateAug 1, 2000
Priority date
Expiry dateMar 3, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23G1/02
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A pickling plant for a steel strip and a method for controlling the pickling plant, including monitoring at least one quantity of state represented by thickness, width and quantity of scale of the steel strip, and at least one quantity of state of operation of a plant represented by concentration, quantity and temperature of acid supplied into a pickling tank of the pickling plant, line speed of the steel strip, and temperature of the steel strip immediately before entering the pickling tank calculating on the basis of values of said quantity of state and quantity of state of operation, at least one of concentration distribution of acid, concentration distribution of iron and descaling rate at optional plural positions, and on the basis of the calculating the optimum quantity of state for operation of the plant is determined.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.