Title:
HOT-DIP GALVANIZED LAYER THICKNESS CONTROL SYSTEM AND METHOD FOR CONTINUOUS THICKNESS-VARYING STRIP MATERIAL
Document Type and Number:
WIPO Patent Application WO/2017/054427
Kind Code:
A1
Abstract:
A hot-dip galvanized layer thickness control system and method for a continuous thickness-varying strip material. The system comprises a steel strip thickness gauge (8), a length measuring roller (11), a hot-dip galvanizing device, an air knife (5), a cold-state zinc layer measuring instrument (7), and a control system (10). In the forward direction of the steel strip (1), the steel strip thickness gauge (8) and the length measuring roller (11) is placed in the front of the inlet of the hot-dip galvanizing device, the air knife (5) and the cold-state zinc layer gauge (7) are placed in succession following the outlet of the hot-dip galvanizing device. The steel strip thickness gauge (8) detects the thickness signal of the steel strip (1), the length measuring roller (11) detects the length signal of the steel strip, the cold-state zinc layer gauge (7) detects the zinc layer thickness of the steel strip (1), and the steel strip thickness gauge (8), the length measuring roller (11) and the cold-state zinc layer gauge (7) send their respective measured data to the control system (10). The control system (10) pre-estimates the thickness of the steel strip at the air knife (5) according to the length signal and thickness signal, adjusts the pressure of the air knife (5), and makes further adjustment on the pressure of the air knife according to the zinc layer thickness.
Inventors:
XIONG FEI (CN)
LI SHANQING (CN)
JIANG ZHENGLIAN (CN)
XU JIANGHUA (CN)
LI SHANQING (CN)
JIANG ZHENGLIAN (CN)
XU JIANGHUA (CN)
Application Number:
PCT/CN2016/077617
Publication Date:
April 06, 2017
Filing Date:
March 29, 2016
Export Citation:
Assignee:
BAOSHAN IRON & STEEL (CN)
International Classes:
C23C2/20
Foreign References:
| CN1610763A | 2005-04-27 | |||
| JP2011183438A | 2011-09-22 | |||
| JP2011184791A | 2011-09-22 |
Other References:
See also references of EP 3358036A4
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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