HIGH CONSISTENCY RE-PULPING METHOD， APPARATUS AND ABSORBENT PRODUCTS INCORPORATING RECYCLED FIBER.
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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A method of pulping wastepaper includes providing a pulping vessel with a rotor and at least one flow sensor to measure slurry flow within the pulping vessel. The pulping vessel is charged a slurry (wastepaper and water)， the amounts of wastepaper and water being such that the slurry has consistency in the range of from 10% to 30%. The wastepaper charge in the pulping vessel is pulped at a pre-selected power level while monitoring poloidal slurry flow; water may be added when the poloidal flow falls below a predetermined lower threshold flow value to reduce viscosity and restore poloidal flow within the pulping vessel. Doppler velocimetry is a preferred method of monitoring pulp flow. In a particularly preferred construction the rotor has a variable power drive. The inventive method is especially useful for making high quality， high brightness furnishes from wastepaper which varies from batch to batch.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
