How should a scrap metal recycling plant be laid out to create the perfect production line?

A well-designed production line is never about stacking the most expensive equipment. Its core principles are one-way material flow, matched equipment capacity, minimal back-and-forth labor, and full compliance with maintenance and environmental standards. Based on measured data from 200+ completed projects worldwide, the standard layout below for a medium-sized recycling plant with 30–50 tons daily throughput is the most cost-effective and least retrofitted solution verified to date. New plant owners can follow it directly.

Complete Scrap Metal Recycling Plant Layout: Copper Granulator + Stator Recycling Machine + Shredder + Baler Production Line

Most people jump straight to equipment selection, but foundation and utility support are the real prerequisites. Skip these three checks and your equipment won't run properly even after delivery.

Site Space & Load-Bearing CapacityA standard medium-sized line requires 180–220 ㎡ of total floor space with a minimum clear ceiling height of 4 meters. The floor must be fully hardened: 15cm thickness for general areas, and 20cm reinforced foundation with φ8 steel mesh for heavy equipment positions (shredder, baler). Without this, the floor will crack and sink after six months of use.

Power Distribution CapacityThe total installed power of the full line is approximately 135kW, so we recommend applying for a 160kVA transformer. Use 95mm² copper core cables for the main line; if the workshop is more than 50 meters from the transformer, upgrade to 120mm² cables to avoid voltage drop under heavy load, which causes weak motor output and premature burnout.

Basic Environmental Compliance RequirementsReserve space in advance for dust removal equipment and a wastewater sedimentation tank. Although dry-type copper granulators do not use process water, floor wash water cannot be discharged directly. A three-stage sedimentation tank costs only a few thousand dollars and avoids costly environmental shutdowns later.

We recommend a straight-line linear layout: raw materials enter from one end of the workshop and finished products exit from the other, with no backtracking along the way. The full line is 28–32 meters long and 6–7 meters wide. All zones are connected by belt conveyors for automatic material transfer, saving 2 workers compared to scattered equipment placement.

1. Raw Material Unloading & Storage Zone (≈40 ㎡)

Position this zone near the workshop loading door, close to the truck unloading platform to eliminate long-distance handling.

Zone division: Mark out 3 stacking bays - scrap wire bays, waste motor bays, and mixed light scrap bays. Never mix materials together. Many new owners cut corners here and sort on the fly during loading, which reduces processing output by half a ton per hour and adds up to several tons of lost output per day.

Supporting facilities: One manual hydraulic forklift for material transfer with 1.5-meter-wide pedestrian aisles marked on the floor to avoid conflicts between forklifts and workers.

Practical tip: Never stack raw materials directly on the floor. Use wooden pallets to keep materials dry during rainy weather. Sediment and mud entering equipment accelerates blade wear - on-site data shows muddy materials reduce blade service life by 30%.

2. Pre-Treatment Sorting Zone (≈30 ㎡)

This is the key to controlling failure rates across the line. 90% of material jams and chipped blades stem from insufficient front-end sorting.

Configuration: A 6-meter sorting belt conveyor (3kW, 600mm belt width, 0.5m/s belt speed) with 2 sorting stations; a suspended magnetic separator (3000 Gauss) installed above the belt to remove iron nails and small iron scraps first.

Sorting standard: Workers only need to pick out two items - solid steel blocks thicker than 5cm, and sealed pressurized cans/gas cylinders. These two items entering the shredder will chip blades at best and cause safety hazards from material ejection at worst.

Measured data: With standardized pre-treatment, shredder jam frequency drops from 3–5 times per day to 1–2 times per week. Blade sharpening cycles extend from 3 months to 5 months. The annual savings on wear parts alone covers the salary of two sorting workers.

3. Coarse Shredding & Dismantling Zone (≈60 ㎡, Core Capacity Zone)

This is the "throat" of the entire line, responsible for reducing bulk materials to sortable sizes and extracting copper from motor stators.

Core Equipment 1: Model 800 Double-Shaft ShredderPower: 74kW (2×37kW dual motors); Blade material: H13 tool steel with heat-treated hardness HRC58–62; Feed opening size: 800×600mm, capable of accepting whole motors and bundled wire directly. Output particle size is controlled at 80–150mm, with a measured throughput of 3.5–5 tons per hour for mixed materials, fully matching the downstream sorting capacity.Installation detail: Mount the unit on an independent shock-absorbing base with 10mm thick rubber pads to reduce resonance. Leave a 1-meter-wide maintenance access alongside the machine for tool storage during blade replacement and spindle disassembly. Many plants leave this space too narrow, requiring conveyor disassembly every time blades are changed - adding half a day of downtime.

Below are the high-performance crushers manufactured by RJ Machinery; they fully meet the requirements of your production line and are presented here for your reference.

Core Equipment 2: Medium Motor Stator Recycling MachinePower: 4.5kW, suitable for stators with 80–300mm diameter. It processes motor stators sorted from shredded material, cutting copper end rings first then pulling out copper windings automatically. On-site measurement shows it processes 25–30 standard motors per hour with a copper recovery rate above 98.5%, 8 times more efficient than manual dismantling.Connection method: The shredder discharge belt first passes a manual sorting table where stators are picked out and fed directly into the dismantling machine. Remaining mixed wire and plastic scrap goes directly to the copper granulator in the next stage.

Presented here is the electric motor stator recycling equipment manufactured by RJ Machinery, designed to perfectly meet the needs of your production line.

4. Copper & Plastic Fine Sorting Zone (≈50 ㎡)

This step determines finished product purity and selling price, centered on the copper granulator and supporting sorting/dust removal equipment.

Core Equipment: Model 800 Dry-Type Copper GranulatorMain crushing motor: 37kW; Sorting system: 18kW; Total power: 55kW. It adopts a three-stage process of "crushing + air separation + gravity separation" to process shredded mixed wire. Measured finished copper granule purity reaches ≥99.2%, with copper content in plastic tailings ≤0.5% - fully meeting the acceptance standards of downstream smelters.

Supporting details:

Install a uniform feeder at the copper granulator inlet to avoid fluctuating feed rates that cause unstable sorting purity;

Connect a pulse dust collection hood to the top of the unit with 4000 m³/h air volume and 99%+ dust collection efficiency. The workshop stays nearly dust-free, eliminating concerns during environmental inspections;

Two discharge hoppers - one for copper granules and one for plastic - eliminating manual bagging and allowing material to drop directly into transfer carts.

Here are some of RJ Machinery's best-selling copper wire granulators for your reference; they are perfectly suited to the needs of your production line.(Machine specifications can be customized.)

5. Finished Product Baling & Storage Zone (≈40 ㎡)

Always position this zone near the workshop shipping door so finished products are baled and loaded directly with minimal travel distance.

Core Equipment: 120-Ton Vertical Hydraulic BalerPower: 15kW; Bale size: 400×600×800mm. It bales copper granules, scrap iron and plastic alike. Copper bales weigh 500-600kg each, plastic bales 80–100kg each. Baling reduces volume by 70% and cuts freight costs in half.

Storage division: Three separate finished product areas - pure copper, scrap iron and plastic - each with pallets and clear signage. On-site data shows standardized stacking reduces finished product mixing loss from 2% to below 0.5%. Even a small price difference per ton of copper adds up to significant savings over a year.

RJ Machinery's vertical hydraulic balers hold a commanding lead in the market, ranking at the forefront of similar domestic products.

Overcrowded Equipment With No Maintenance SpaceMany plant owners squeeze equipment together to save floor space, leaving only a few dozen centimeters between units. This means replacing blades or servicing the gearbox requires moving adjacent equipment, adding 1–2 days to every maintenance job. Standard practice: leave at least 80cm of space on the side of equipment, and over 1 meter on the drive end for belt replacement and lubrication.

Poorly Planned Dust Extraction DuctingThe more bends in dust extraction piping, the higher the wind resistance and the worse the suction performance. The correct approach is to place the dust collector unit outside the workshop, run ductwork in straight lines as much as possible, and use 45-degree gradual bends instead of 90-degree sharp bends - reducing air volume loss by 30%.

Baler Placed At The Back Of The WorkshopThis forces forklifts to cross the entire workshop for shipping, creating safety hazards and wasting time. Always place the baler near the shipping door: finished product comes out, gets baled immediately, and is loaded directly by forklift for the shortest possible material flow and highest efficiency.

You don't have to follow the standard plan exactly. Adjust based on your actual daily output:

Small-scale plants (10–20 tons/day): Skip the dedicated stator dismantling machine, downgrade to a Model 600 shredder and Model 600 copper granulator. Total footprint is 100–120 ㎡, operable by 2 workers - ideal for new startup owners.

Large-scale plants (80+ tons/day): Install two-stage shredding (coarse + fine), add an eddy current separator for aluminum sorting, and pair with a horizontal baler for a fully automated line. The entire line only requires 3–4 workers for inspection, with the lowest labor cost per ton.

Scrap metal recycling plant layout is never about "the fancier the better" - it's about "the best fit for your operation". The best layout matches your incoming material mix, output scale and staffing level, with smooth material flow, easy maintenance and full environmental compliance.

Many plant owners are willing to spend hundreds of thousands on equipment but neglect layout planning. They end up spending money without improving efficiency. As long as you follow the one-way logic of "feeding → sorting → crushing → separation → baling → shipping" and avoid the pitfalls above, you can start production smoothly with minimal headaches.

If you have any questions, such as "How do I choose equipment for my new recycling plant, and which model should I choose?", "How long does it take to customize a machine?", or "Is the export customs clearance process complicated?", please feel free to contact us. We will recommend the most suitable model based on your specific business needs, site size, and budget, and provide one-on-one customized solutions to help you "turn waste into treasure" and easily generate profits!

Contact information
Contact name: Jonathan Lee
Email: sales01@rjrecyclingequipment.com
Cell phone: +86 183 9200 1872
Whatsapp: +86 183 9200 1872

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