Waste PP PE Pellets Making Plant Plastic HDPE LDPE Scrap Recycling Pelletizing Production Line Pet Granulating Granulator PVC PC Granules Pelletizer Machine

The Plastic Water-Ring Pelletizing Line represents one of the most widely adopted pelletizing methods currently used in the fields of plastic recycling and modification. Its primary mechanism involves using rotating blades to cut molten plastic directly at the die face, followed by the rapid cooling and conveyance of the resulting pellets through a high - speed rotating water ring.

This method is particularly well - suited for processing thermoplastic materials such as PE, PP, EVA, and ABS, especially those materials characterized by high viscosity or a tendency for extruded strands to break easily.

Core Process Workflow

Water - ring pelletizing lines are highly integrated systems. A typical production workflow proceeds as follows:

Raw Material Compounding/Extrusion → Screen Filtration → Die Head (Multi - hole Die Plate) → Water - Ring Pelletizer → Centrifugal Dewaterer → Vibrating Screen → Storage Silo

Key Component Functions:

Die Head and Die Plate: Molten material is extruded through the die holes via a flow distribution plate. The surface of the die plate typically undergoes special treatment (such as a hardened coating) to minimize frictional wear against the cutting blades.

Pelletizing Cutter Head: The cutting blades rotate in close contact with the die face. The rotational speed of the pelletizer is typically controlled by a variable frequency drive (VFD), allowing for precise control over the size and shape of the resulting pellets.

Water Hood and Water Ring: Under the combined influence of centrifugal force and water flow, the freshly cut, hot pellets travel along a circulating water ring formed against the inner wall of the water hood. This water ring serves the dual function of both cooling and conveying the pellets.

Centrifugal Dewaterer: This unit utilizes high - speed rotation to spin off surface moisture from the pellets, typically achieving a dryness level exceeding 98%.

Technical Core and Selection Recommendations

When configuring a water - ring pelletizing line, the following three core factors directly impact the quality of the resulting pellets:

Contact Precision Between Cutter Blades and Die Face:

This is a key technical challenge in water - ring pelletizing. Advanced equipment typically employs pneumatic or spring - loaded automatic blade - feeding systems to ensure the cutting blades maintain constant, uniform pressure against the die face. If the pressure is insufficient, the pellets may fuse together into a continuous sheet; conversely, if the pressure is excessive, accelerated wear of the die face will occur.

Circulating Water Temperature Control:

If the water temperature is too low, it can cause material buildup and clogging at the die head (known as "die - face freezing"). Conversely, if the water temperature is too high, the pellets will not cool sufficiently and will be prone to sticking together. It is generally recommended to install an industrial chiller or a heat exchanger to stabilize the water temperature.

Die Hole Distribution Design:

The arrangement of the die holes must take into account the rheological properties of the material to ensure a consistent discharge rate between the edges and the center; otherwise, this will result in inconsistent pellet sizes.

Technical data:

 

 

Zhangjiagang Beisu Machinery Co,Ltd is a certified manufacturer, exporter and supplier of

plastic PVC/PE/PP/PET/EVA/ABS processing machinery. Due to our constant commitment to

extrusion technology, we have emerged as a leading manufacturer of Plastic Extrusion

Machinery for PVC pipes Extrusion Line, HDPE pipes Extrusion Line, PVC compounding

Extruder, PPR Pipes Extrusion Line, PVC profiles Extrusion Line.

Especially High speed Plastic mixer, PVC compounding mixer, SPC mixer.WPC mixer,Plastic Granulating and Pelletizing Line,Plastic pvc pelletizing machine,Soft PVC shoes granulator, PVC compounding pelletizer and Plastic PVC pulverizer, PVC miller,SPC milling machine, WPC pulverizer, SPC pulverizer, PE pulverizer,LDPE pulverizer,PET pulverizer,ABS pulverizer,HDPE pulverizer,Plastic pulverizer, Plastic milling machine, Plastic miller machine,Plastic Crusher,PVC crusher,PE crusher,PP shredder, Plastic PVC Shredder etc for a wide range of extrusion processes.

Installation Instructions

1. Before shipment testing at factory, vedio record.
2. Vedio instruction for operation.
3. User manual and installation instruction, layout and drawings.
4. Lable&marks for disassemble parts, wiring&cables.

Our Advantages

1. How many electric, water, air need for the machines?
BEISU: technical department supply the whole layout for workshop details.

2. Can I operate machine if don't have experienced engineers?
BEISU: (1) short-time engineers to customer company (5-15 days)
(2) Year-time working as requirements

3. Any quality checking before shipment?
BEISU: 100% confirm, run and test machines before shipment with quality certificate.

4. How long is the guarantee?
BEISU: 12 months since the first day customer operates (except wear parts)

5. How can u help us when face some technical problem?
BEISU: 24 hours by e-mail, message, calling. If problems happens need engineer we will arrange the closest or agent in local country, or send Chinese Engineers to solve in 2 weeks.

6. Where can we get spare part?
BEISU: we choose International Brand that customer can find it in everywhere, such as Siemens,Omron, Delixi etc, or send parts by DHL, Fedex, TNT and other express.

After Sales Service

Real time communication SNS group chat(WeChat preferred, Skype/WhatsApp) which includes buyer side and BEISU service team is created for technical assistance in the quickest manner. Scheduled video calls are also available. Just as the company vision 'Customer Oriented' says,BEISU always stands at customer's point to offer the optimum solution and help customer to maximize profit. BEISU has its own customer management system and spare parts management system which ensure quickest responds and enough regular easy-wearing parts whenever customer requests.