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Oversized Pipe Recycling
Feed complete HDPE, PE, PP, PVC or sleeving pipes up to 2,000 mm in diameter and 6 m long without pre-cutting. Four independently driven solid shafts intermesh across a 2,000 mm cutting width for controlled, full-section primary tearing.
The machine is designed around the feed envelope first: 2 m pipe diameter, 6 m full length, wall thickness and mass per pipe.
A complete pipe up to 6 m long is placed in the horizontal trough. The long chamber removes the need for a separate pre-cutting station.
A 7,500 mm hydraulic stroke advances the pipe into the cutting zone. Independently supported cylinders reduce deflection under uneven pipe loading.
Four solid rotors rotate in an intermeshing layout. Each shaft has its own 75 kW drive so power is delivered directly without one shared transmission carrying the whole load.
Primary-shredded pipe is discharged by belt to the matched vertical crusher. Final particle size is confirmed from the downstream screen and recycling process.
This configuration is selected for oversized feed geometry and whole-pipe handling—not simply because it has a larger motor.
The long horizontal feed accepts complete 6 m pipe sections, reducing crane handling, saw cutting and repeated manual loading.
Independent drives distribute the load across four cutting shafts and avoid the losses and single transmission path of a shared-drive arrangement.
The intermeshing shaft layout grips large hollow sections from multiple directions, reducing rolling and improving tearing through thick or corrugated walls.
Automatic sequencing coordinates the pusher, four shaft drives, belt conveyor and downstream crusher, with manual emergency control retained for service and recovery.
Use the complete-line view to plan floor space and the side view to assess whole-pipe loading, hydraulic support and service access.
The reference project combines the long-trough shredder, discharge conveyor and vertical crusher into one automated reduction line.
The side view shows the full-length horizontal trough, independently supported hydraulic cylinders, pusher structure, hydraulic power pack and control cabinet.
Choose this machine when the pipe envelope or handling method exceeds a standard horizontal single-shaft configuration.
Municipal water, gas, mining and industrial HDPE pipes with large OD and heavy wall sections.
Large drainage, sewer and culvert pipes whose hollow profile is difficult to grip with a single cutting line.
Oversized plastic pipes and profiles where full-length loading is preferred over manual pre-cutting.
Complete 6 m sleeve pipe and heavy protective conduit from production rejects or replacement projects.
These values describe the supplied 2,000 kg/h project configuration. Final sizing must be checked against the heaviest pipe, wall thickness and required downstream particle size.
| Parameter | Project Specification | Selection Impact |
|---|---|---|
| Target feed material | HDPE / PE / PP / PVC / PPR pipe | Pipe geometry and wall thickness determine the real load. |
| Maximum pipe diameter | 2,000 mm | The largest OD must fit the complete loading and pusher envelope. |
| Maximum whole-pipe length | 6,000 mm | Whole-pipe feeding removes the pre-cutting step. |
| Reference capacity | 2,000 kg/h | Confirm with actual pipe weight, material and target output. |
| Hydraulic pusher stroke | 7,500 mm | Provides travel margin beyond the 6 m feed length. |
| Rotor quantity | 4 solid rotors | Four intermeshing solid shafts. |
| Rotor diameter | 500 mm × 4 | Large rotor diameter supports high-load primary tearing. |
| Rotor cutting length | 2,000 mm | Matches the maximum pipe section width. |
| Rotor speed | 80 rpm | Project value; confirm control logic for the material test. |
| Rotary blades | 358 pcs | Replaceable cutting blocks. |
| Blade size / material | 50 × 50 × 30 mm / D2 | D2 wear steel in the reference configuration. |
| Fixed knives | 4 pcs | Supports controlled shear against the rotating cutters. |
| Main drive power | 75 kW × 4 (independent) | Independent motor and drive for each shaft. |
| Hydraulic power | 22 kW | Powers the long-stroke pusher circuit. |
| Shredder weight | Approx. 14,000 kg | Approximate machine-only planning weight. |
| Discharge conveyor | 1,000 mm belt / 2.2 kW | Transfers primary shred to the secondary crusher. |
| Downstream crusher | 1,500 mm rotor / 600 mm diameter / 110 kW | Final particle size depends on crusher and screen selection. |
| Total installed line power | 441.7 kW | Complete line; typical operation is approximately 80% of installed load. |
| Control system | Full automatic PLC + manual emergency control | Full automatic PLC plus manual emergency control. |
| Reference line length | Approx. 19,800 mm | Planning reference; final GA drawing governs installation. |
No final output particle size is claimed here because it was not specified in the project data. Confirm the vertical-crusher screen after defining washing, granulation or pelletizing requirements.
A 2,000 mm diameter alone is not enough. Send the worst-case pipe so the drive, pusher and downstream crusher can be approved as one system.
Provide minimum and maximum OD, maximum length, wall thickness, pipe weight and whether pipes arrive individually or nested.
Identify HDPE, PE, PP, PVC or PPR and disclose metal inserts, soil, concrete, water, fittings and other contamination.
State whether the line feeds a crusher, washing line, granulator or storage, and the required final particle-size range.
Share available line length, loading method, foundation, voltage/frequency, conveyor direction and maintenance access.
| Selection Point | Horizontal Single-Shaft Pipe Shredder | Four-Shaft Large-Diameter Pipe Shredder |
|---|---|---|
| Typical pipe OD | Standard projects up to about 1,200+ mm | Oversized projects up to 2,000 mm |
| Cutting architecture | One low-speed rotor with screen-controlled primary output | Four intermeshing solid rotors with independent drives |
| Best reason to choose | Controlled primary shred for conventional pipe recycling lines | Whole-pipe handling when diameter, wall or hollow section is difficult to grip |
| Reference whole-pipe length | Full-length feed depends on the selected trough | 6 m complete pipe with 7.5 m pusher stroke |
| Downstream sizing | Bottom screen controls the primary shred window | Matched vertical crusher determines the final particle size |
Yes. The reference configuration uses a long horizontal trough and a 7,500 mm hydraulic pusher stroke for complete pipes up to 6 m long.
It is the reference maximum pipe outside diameter. Final approval still requires wall thickness, pipe weight and a loading drawing.
The four intermeshing shafts grip a very large hollow pipe from multiple directions. Each shaft is driven independently so load is distributed across four drive paths.
The shredder performs primary tearing. The proposal includes a downstream vertical crusher, so final size must be confirmed from its screen and your next process. No unsupported particle size is assumed.
No nominal capacity should be treated as universal. Throughput depends on polymer, OD, wall thickness, pipe weight, contamination and required output. A sample test or detailed feed schedule is used for final confirmation.
Choose the single-shaft range when pipe diameter fits the standard feed envelope and a screen-controlled primary output is the priority. Choose the four-shaft system for the 2 m whole-pipe envelope and multi-directional gripping.
Send the maximum OD, wall thickness, length, pipe weight, polymer, photos and target output size. Rumtoo will check the feed envelope, drive load and full-line layout.
