发明名称 |
A METHOD AND A DEVICE FOR CONTROLLING THE ALIGNMENT BETWEEN REFINING SURFACES |
摘要 |
Methods and apparatus controlling the alignment between refining surfaces of opposite refining discs are disclosed which are relatively rotatable and which are incorporated in a refiner for disintegrating and refining lignocellulose-containing material in a refining gap between the refining surfaces. The disclosed method includes positioning at least three sensors at least three measurement positions, measuring the vibrations at each of the measurement positions during refiner operation, and comparing each of the measured vibrations at each of the measurement positions with each other. The apparatus disclosed includes at least three sensors disposed in at least three predetermined measurement positions, each of the sensors comprising a vibration sensor disposed on a refining disc for measuring the vibrations at the measurement positions whereby measuring can take place during operation of the refiner and a comparator for comparing the measurements of the measurement positions to provide a comparison therebetween. |
申请公布号 |
EP1984116(A4) |
申请公布日期 |
2014.06.18 |
申请号 |
EP20060824607 |
申请日期 |
2006.12.05 |
申请人 |
VALMET TECHNOLOGIES, INC. |
发明人 |
SVEDBERG, PETER;BACKLUND, HANS-OLOF;SAHLIN, THOMAS |
分类号 |
B02C7/14;D21D1/00;D21D1/30;D21G9/00 |
主分类号 |
B02C7/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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