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ZG Series Drum Pulper

 

This Drum type hydrapulper is mainly used in the paper making industry to breaking continuously and coarse screening of the waste paper material under the high consistency. It can maximum keep the physical property of the fiber.

Application & Features

1. Mainly used for continuous gentle pulping and coarse screening of waste paper under high consistency. Drum pulper can continuous pulp and preliminary screen, simple process.

2. It can gently pulp under 14%-18% high consistency to uttermost maintain the physical property of fiber.

3. Low damage to impurities and high efficiency of deslagging, which reduce the following equipment burden.

4. Low energy consumption, reduce running cost, improve the competitiveness for per ton pulp.

5. Long pulping residence time, sufficient fiber relief, low rate fine fiber loss.

6. Few quick-wear parts, continuous pulping, low maintenance cost.

Main Specification

Type	ZG2500	ZG2750	ZG3000	ZG3250
Drum Diameter (mm)	Φ2500	Φ2750	Φ3000	Φ3250
Processing Capacity(t/d)	70-120	140-200	200-300	240-400
Work capacity(%)	14-18
Motor  power(Kw)	132-160	160-200	280-315	315-400

Type	ZG3500	ZG3750	ZG4000	ZG4250
Drum Diameter (mm)	Φ3500	Φ3750	Φ4000	Φ4250
Processing Capacity(t/d)	400-600	550-800	750-1000	1000-1400
Work capacity(%)	14-18
Motor  power(Kw)	560-630	630-800	800-1000	1000-1400

Work Principle

Drum pulper set pulping and coarse screening with a body and used for continuous pulping all kinds of waste paper( newspaper, industrial board paper, mixed waste paper, etc.), and coarse screening the paper pulp after pulping, it is a reject treatment equipment. Drum pulper comprises three areas: pre-soaking area, high consistency pulping area and screening area. Firstly, waste paper  is conveyed into pre-soaking area. After soaking, the waste paper enter into the high consistency pulping area for pulping under the consistency of 14% to 20%.  With the rotation of the drum, the waste paper is took up by the lifting board on the inner wall, fall after rise to a certain height, and impact with the hard inner surface, so the waste paper in pulping area after repeated falls and strikes, under the mild pulping action of shear force and friction, was dissociated into single fiber, and the thin film, plastic, cloth and other impurities in the waste paper are not broken. Waste paper pulp after breaking will go along the dip Angle under the drum drive, from pulping area into the screening area; on the above of screening area equipped with a flush water pipe, the pulp will washed and diluted once entered the screening area. The pulp consistency will down to 3-4%. Now, the acceptable fiber through screen holes into the pulp chest, rough impurity is blocked by screen plate , stay in screening area and constantly elutriated, finally discharge from discharge mouth at the end of drum .