Hydrapulper of waste paper recycling system is mainly used for separating waste paper and ink under high consistency in waste paper deinking process, rational utilization can maximum give play to it’s advantages. There are the factors affecting the efficiency of hydrapulper.

Temperature

After improve temperature, waste paper is softened, the slurry absorbs moisture and dissolves easily, especially those heavily sizing paper or printing paper with ink. Besides, the viscosity of pulp decreases with increasing temperature, has good fluidity,then promotes the shredder of pulp.

Consistency

In the case that slurry cycle is good, it is advantageous to increase the concentration of dissolving. Experimentally, the concentration has a liner relationship to power consumption, however, the energy consumption per unit output decreases with the increase of concentration, and has little influence to pulping effect and pulping time.

Pulping Time

Under certain operating conditions, there must be an effective broken interval, beyong this interval, the improment of relieve rate is very small; It is not economical to attempt to extend the time to improve the shredder effect. Therefore, the shredder time must be controlled so that it can operate within a valid time range.

Raw Material Character

Due to the different treatment of water and swelling ability and fiber binding ability, the effect of the shredder is different. It is indicated that different size of slurry is different in the same time.

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