Production process for remanufacturing corrugated paper through recovery
The invention provides a production process for remanufacturing corrugated paper through recovery. The production process includes the following steps that 1, pulping is carried out after recovery, specifically, waste corrugated paper is crushed and then stewed to obtain waste pulp, and the waste pu...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a production process for remanufacturing corrugated paper through recovery. The production process includes the following steps that 1, pulping is carried out after recovery, specifically, waste corrugated paper is crushed and then stewed to obtain waste pulp, and the waste pulp is washed, screened, concentrated and purified to obtain pulp; 2, an enhancer is added into the pulp and mixed evenly; 3, an aluminum sulfate solution is stirred and added into thickened pulp and evenly mixed, and then drying forming is carried out to obtain semi-finished corrugated paper; 4, glue is applied to the surface of the semi-finished corrugated paper; and 5, the semi-finished corrugated paper with the surface provided with the glue is dried and then subjected to standing for 20 hours, and then a finished product is obtained. The process has the characteristics of simpleness, convenient operation, energy saving, environment protection and the like, the cost is greatly saved through recycling of corrugat |
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