Relation between Liquor Ratio and Revolution Speed of a Pulsator Type Washer on the Washing Efficiency
1980 Volume 31 Issue 3 Pages 184-187
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1980 Volume 31 Issue 3 Pages 184-187
It is well known that an important factor in soil removal is the mechanical action of the washing machine.
In this paper, relation between washing efficiency and revolution speed of the pulsator was investigated at several levels of wash liquor and/or load fabrics.
Following results were obtained ;
1) Revolution speed of pulsator decreases as much as 6% when 10-40 liter of wash liquor is added, and further decrease of 5% in rpm were observed when load fabrics were applied at the liquor ratio of over 1 : 25. Rpm decrease and dispersion of washing efficiency in a suds at the liquor ratio of 1 : 17 were extremely remarkable.
2) No significant difference of washing efficiency between the liquor ratios of 1 : 30 and 1 : 17 was observed, though the dispersion at 1 : 17 was increasing and the washing efficiency lowering at 1 : 39 was significant because of the decrease in dispersion.
3) When a small amount of load fabrics have to be applied, dispersion of washing efficiency will be lessened when the liquor ratio is adjusted to 1 : 26 by controlling the amount of water.
