Dry Broke Pulper

The "Dry Broke pulper" is an important equipment in the papermaking industry. Its main function is to carry out the pulping treatment on the damaged paper in a dry state.

During operation, the dry broken paper is put into the machine. Then, through the internal rotating components, the machine generates mechanical force and hydraulic action, which enables the dry broken paper to decompose rapidly with the assistance of water and chemical agents. The paper fibers are separated from the overall structure to form a pulp suspension.

The advantages of this equipment include high processing efficiency, effective fiber separation, and a certain degree of fiber quality protection, etc., providing important support for the recycling and reuse of waste paper.

It is widely used in papermaking mills, waste paper recycling and processing plants, and other related enterprises and sites.

Used for breaking broke on reel section of paper machine in pulp and paper industry.

1.Using a saw tooth rotor, keep a good pulp-circulating and breaking effect of stock as well as 20% less power consumption than common Vokes rotor.

2.Clearance between rotor and screen plate can be adjusted conveniently according to requirement.

3.Driving mode:belt drive and reducer drive.

The working principle of the Dry Broke pulper is based on the synergy of mechanical agitation and hydraulic action. First, the dry broke paper is put into the tank of the pulper, and then water and necessary chemical additives are injected in a certain proportion.

The impeller or agitator inside the equipment starts to rotate at high speed driven by the power system. During the rotation, the impeller or agitator generates strong mechanical shear force and centrifugal force, which卷入 the dry broke paper and fully mixes it with water and chemical additives. At the same time, the rotation of the impeller also drives the water flow to form a strong hydraulic impact and turbulence, which quickly soaks and breaks up the dry broke paper.

Under the continuous action of mechanical force and hydraulic force, the fiber structure of the dry broke paper is gradually destroyed, the bonding force between the fibers is weakened, and the paper fibers are separated from the overall structure of the dry broke paper and separated from impurities, ink, adhesives, etc., and finally a pulp suspension containing fibers is formed.

1.Machine Body Shell

Generally welded from high-quality steel, it has sufficient strength and rigidity to withstand the vibration and impact during the operation of the equipment and protects the internal components at the same time.

2.Pulping Tank

Usually made of wear-resistant and corrosion-resistant stainless steel material, it has good sealing and stability and is used to hold the dry broke paper, water, chemical additives, and the pulp suspension formed during the pulping process.

3.Impeller or Agitator

It is the core working component of the pulper. Its shape, size, and blade structure are designed according to the requirements of the pulping process and processing capacity. The material of the impeller or agitator is usually high-strength alloy or wear-resistant engineering plastic to ensure the reliability and durability under high-speed rotation and long-term working conditions.

4.Transmission System

Composed of motor, reducer, coupling, transmission shaft, and other components, it is responsible for transmitting the power of the motor to the impeller or agitator to achieve precise speed control and torque output to meet the requirements of different pulping processes.

5.Inlet and Outlet System

The inlet system includes the inlet, the feeding conveyor belt or screw feeder, etc., which is used to feed the dry broke paper into the pulping tank smoothly and evenly; the outlet system includes the outlet, the discharge pump, pipelines, etc., which is used to transport the pulped pulp suspension to the subsequent processing procedures or storage equipment.

6.Control System

Composed of the electrical control box, sensors, controllers, touch screens, etc., it is used to start, stop, adjust the speed, control the liquid level, control the temperature, control the pressure, etc. of the pulper. At the same time, the operating status of the equipment is monitored in real-time and fault alarms are given to ensure the safe and stable operation of the equipment.

7.Auxiliary Devices

It may also be equipped with auxiliary equipment such as heating devices, defoaming devices, cleaning devices, etc., to improve the pulping effect, ensure the quality of the pulp, and facilitate the maintenance of the equipment.

1.Efficient Pulping Capacity

It can quickly break a large amount of dry broke paper into a fiber suspension, improve production efficiency, and meet the needs of large-scale production.

2.Fiber Protection Performance

Through the optimized pulping process and structural design, the damage to the fibers is minimized, and the length, strength, and flexibility of the fibers are maintained to improve the quality and performance of the recycled pulp.

3.Strong Adaptability

It can handle dry broke paper of different types, specifications, grammages, and sources and has a good processing capacity for dry broke paper containing impurities, adhesives, ink, and other complex components.

4.Energy Saving and Low Consumption

Adopts an advanced transmission system and energy-saving design to reduce the energy consumption of the equipment; reasonably controls the dosage of water and chemical additives to reduce resource waste and cost expenditure.

5.High Degree of Automation

Equipped with an intelligent control system to realize the automatic operation and remote monitoring of the equipment, reduce manual intervention, and improve the stability and reliability of production.

6.Simple Operation and Maintenance

The equipment has a compact structure, a reasonable layout, a friendly operation interface, and convenient parameter setting and adjustment; each component is easy to disassemble and replace, and the daily maintenance and servicing work is simple and easy, reducing the maintenance cost and downtime of the equipment.

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