Pulping Equipment

Hydrapulper — D-Type and Batch Pulpers

Name: Hydrapulper / D-type Hydrapulper
Brand: Allwin Machinery

A hydrapulper breaks dry or wet paper stock into a pumpable suspension. D-type units place the rotor off-centre in a D-shaped vat, creating a longer circulation path and stronger vortex — which shortens cycle time on wet-strength and heavily printed waste.

Waste paper recyclingKraft pulp processingCorrugated medium productionTestliner and chipboard production

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Built to drawing or sample · Export packed · Ships from Qingdao

Overview

The Hydrapulper is designed for rapid and thorough disintegration of paper stock. Available in both standard and D-type configurations, it handles capacity from 5 to 120 tons per day. The D-type design features an eccentric rotor placement that creates intense turbulence for faster pulping with lower energy consumption.

Construction and features

High-efficiency pulping with D-type rotor design
Capacity range: 5-120 tons/day
Low energy consumption
Easy maintenance and operation
Available in batch and continuous types

Where it is used

Waste paper recyclingKraft pulp processingCorrugated medium productionTestliner and chipboard production

Specifications

Type	Batch / D-type continuous
Capacity (D-type)	up to 600 t/d
Treating consistency	2 - 5%
Furnish	waste paper, virgin pulp board

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Technical questions

Hydrapulper / D-type Hydrapulper — common questions

What is the difference between a D-type and a standard batch hydrapulper?

A standard batch pulper has a centred rotor under a round vat. A D-type moves the rotor to one side of a D-shaped vat, so stock travels a longer path with higher turbulence. That cuts pulping time and handles wet-strength or heavily inked waste better, but takes more floor space.

How do I size a hydrapulper for my mill?

Size to peak daily furnish, not the average. A common starting point is one batch per hour with 15-20% headroom, then extend the cycle rather than oversize the vat if your waste includes wet-strength grades.

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