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Complete Stock Preparation Line

complete stock preparation line

Complete stock preparation line in paper making process includes paper pulping node, pulp screening, fine refining and reject thickening, which is vital to get high level kraft paper, corrugated paper, coating paper, tissue paper, A3, A4 cultural paper, etc.

Pulping Node

The waste paper is conveyed by Chain Conveyor to Drum Pulper or D type Hydrapulper for pulping and coarse screening under certain consistency.

Primary Screening

Pulp from Hydrapulper flowed into High Density Cleaner to remove all kinds of heavy impurities in paper pulp like staples, stones, glasses, etc. And then conveyed to pulp screening system, and the screening equipment includes Mid Consistency Pressure Screen, Reject Separator, etc

Fine Screening Process

Leizhan high performance Double Disc Refiner refining machine can greatly improve the pulp beating degree and then get higher quality stock. Besides, Inflow Pressure Screen can used to pulp after refining, which has high effect of homogenate.

Reject Thickening Node

Reject thickening node consist of two dewatering drums and one vibrating screen. In each node of stock preparation line is used screen with different diameter of holes and a different type of dewatering equipment.


Zhengzhou Leizhan Technology Paper Machinery Co., LTD., founded in the year 1980, is a professional manufacturer in researching and developing complete sets of waste paper pulp equipment. Our waste paper recycling plants and pulp equipment are highly praised by customers in paper making industries around the world.

Leizhan paper pulp machine are mainly about pressure screen( M.C. pressure screen, Inflow pressure screen ), Drum Pulper VS D type Hydrapulper, Bale Opener, waste paper Chain Conveyor, Pulp Pump, Vertical Hydrapulper, Light Impurity Separator, Auto-cleaning Vibrating Screen, Reject Separator, refiner equipment, etc.

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Zhengzhou Leizhan Technology
Paper Machinery Co., LTD.

Tel : +86-371-5512-9198
WhatsApp: +86-13783579051