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ExperiencedA project-based recycling system for waste refrigerators and freezers, covering depollution, refrigerant and oil recovery, compressor removal, cabinet shredding, PU foam collection, and separation of ferrous metal, non-ferrous metal and plastics.
A refrigerator recycling plant is a complete material-recovery line for end-of-life refrigerators, freezers and selected cooling appliances. Unlike a general white-goods shredder line, it must deal with refrigerant, compressor oil and insulation foam before or during mechanical processing.
The exact configuration depends on what arrives at the factory. A plant receiving intact household refrigerators needs a depollution and dismantling stage. A scrap processor receiving already drained and depolluted cabinets may only need the cabinet shredding, foam removal and material-separation section.
YUXI designs the waste refrigerator recycling line around the incoming appliance mix, units per hour, average cabinet size, refrigerant-handling plan, target output fractions, workshop layout, local environmental requirements and downstream buyers for the recovered materials.
This video shows the processing concept and equipment arrangement used for waste refrigerator and cooling-appliance recycling. The final configuration is selected according to feed condition, required pre-treatment, capacity, workshop layout and target recovered materials.
Actual equipment sequence and operating performance depend on the incoming appliance mix and the approved refrigerant, oil, foam and dust-handling plan.
The core feed is waste refrigerators and freezers. Selected appliance bodies or mixed white goods can be evaluated, but they should not be added only because they fit through the same hopper. Washing machines, air conditioners, display cabinets and mixed WEEE have different hazardous components, material structures and separation behavior.
Most performance problems begin before the main crusher. The feed is bulky, cabinet construction varies by age and manufacturer, and the light foam fraction behaves very differently from metal. A line that looks acceptable on a drawing may still suffer from unstable feeding, foam carry-over or contaminated non-ferrous output if these details are ignored.
Refrigerant and compressor oil should be recovered before cabinet size reduction under the applicable local procedure.
Domestic fridges, chest freezers, commercial cabinets and older foam structures do not break apart in the same way.
PU foam can circulate through conveyors and separators unless airflow, collection points and sealing are designed together.
Tubes and wiring that are not removed or fully liberated reduce the value of steel and plastic output.
Poor liberation sends attached metal-plastic-foam pieces into magnetic or eddy-current stages that were not designed to finish the crushing job.
Adding other WEEE may introduce batteries, capacitors, mercury components, glass, liquids or pressurized parts that require separate controls.
The following flow is a practical baseline for whole refrigerators. Each project should be adjusted to the local depollution rules, incoming appliance condition and required final fractions.
Whole units are inspected before any cabinet crushing. Operators remove food residues, glass, shelves, plastic drawers, accessible electronics, lamps, switches and other loose parts as required. Refrigerant is recovered from the cooling circuit, compressor oil is drained or managed under the selected procedure, and the compressor is removed for separate metal recovery.
This stage determines whether the mechanical line receives a controlled cabinet feed or an unpredictable mixture. In our experience, a few extra minutes of disciplined pre-treatment often protect several downstream machines from contamination and stoppages.
The depolluted cabinet enters a low-speed primary shredder. The purpose is controlled opening and volume reduction, not instant production of a perfectly clean final product. A secondary crusher or liberation stage then reduces attached steel, plastic liner and foam into a condition suitable for separation.
A double shaft shredder is commonly selected for the first reduction stage because it can grip bulky refrigerator bodies at low speed. Cutter design, chamber width and protection logic should be matched to the largest cabinet and remaining metal thickness.
Air separation removes the light PU foam fraction after the cabinet structure has been sufficiently opened. Magnetic equipment then removes ferrous steel. Depending on particle size and liberation, eddy-current, gravity, manual or sensor-based sorting can be added for non-ferrous metals and plastics.
Foam collection is not only a separator choice. Duct size, air balance, cyclone loading, filter area, transfer-point sealing and the route to storage or densification all affect whether the workshop stays controllable.
The final equipment list is not fixed. It should be built around the feed condition and the materials the buyer actually plans to sell.
Output purity is influenced by pre-treatment discipline, liberation size, moisture, contamination, separator loading and how the final fractions are collected. The values below describe material categories, not guaranteed purity figures.
Steel outer shells and magnetic components recovered for scrap-metal processing or sale.
Copper tubing, wiring and aluminum components collected during dismantling or downstream sorting.
Cabinet liners, drawers and other rigid plastics after removal, crushing and separation.
Light foam fraction collected by air separation for approved downstream handling or volume reduction.
High-value assemblies removed during pre-treatment and handled separately from the cabinet stream.
Glass, circuit boards, wires, switches, oil and other parts routed to suitable downstream handlers.
| Project type | Incoming material | Recommended focus | Main purchasing risk |
|---|---|---|---|
| Dismantling workshop upgrade | Depolluted refrigerator cabinets with compressor removed | Feeding, primary shredding, liberation, foam and metal separation | Assuming every cabinet has been consistently drained and prepared |
| Regional refrigerator recycling facility | Whole domestic refrigerators and freezers | Two-stage depollution plus automated cabinet processing | Underestimating labor, storage, refrigerant varieties and peak intake |
| Integrated WEEE or white-goods center | Cooling appliances plus selected household appliances | Feed classification, bypass routes and dedicated pre-treatment cells | Sending incompatible appliances into one universal line |
| High-automation fridge plant | Large and relatively consistent refrigerator volume | Metered feeding, enclosed transfer, monitoring and automatic fraction collection | Buying automation before confirming real feed consistency and service capability |
Capacity should normally be discussed in both units per hour and tons per hour. Refrigerator mass and size vary enough that either figure alone can be misleading.
Older and newer cooling appliances may contain different refrigerants and foam-blowing agents. Some refrigerants are flammable. The project risk assessment may therefore require recovery procedures, gas detection, ventilation, inerting, fire suppression, explosion-protection measures or other controls that are not part of a basic cabinet shredder line.
For U.S. projects, the EPA requires refrigerant recovery before disposal under Section 608. Buyers should also check state and local rules for compressor oil, capacitors, mercury components, foam and recordkeeping. See the U.S. EPA appliance disposal guidance. Other countries should follow their own WEEE, ozone-depleting-substance, refrigerant and occupational-safety requirements.
A useful quotation needs more than the requested capacity. Send the following information so the line can be checked as one process rather than a list of machines.
Not as a default operating method. Whole refrigerators normally require inspection, refrigerant recovery, compressor and oil handling, and removal of selected parts before the cabinet enters the mechanical line. The exact pre-treatment sequence depends on local rules and appliance type.
A complete line can recover ferrous steel, copper, aluminum, rigid plastics, PU insulation foam, compressors, motors, wires, circuit boards, glass and other dismantled parts. Final purity depends on liberation and separation configuration.
Many domestic freezers can be processed with the same basic system, but chest freezers and commercial cabinets may be larger, heavier or constructed differently. Maximum size and weight should be confirmed before hopper and shredder selection.
Selected depolluted white goods may share some shredding and metal-sorting equipment, but they should be evaluated separately. A mixed household appliance recycling plant needs feed classification and may require bypass or dedicated treatment routes.
After the cabinet is opened and the foam is liberated, an air-separation system extracts the lightweight foam. Cyclones, filters, ducts and collection equipment must be balanced as one system to limit foam carry-over and workshop dust.
Provide both units per hour and tons per hour, plus average appliance dimensions, working shifts and peak intake. Capacity based only on tons can hide large differences in refrigerator size and feeding labor.
Pre-treatment quality, crushing size, degree of liberation, feed consistency, separator loading, moisture and contamination all matter. A larger motor does not correct poor liberation or unstable feed.
No. It is useful when the downstream particle size and composition are suitable for non-ferrous recovery. For some projects, manual removal, gravity separation or a different sorting route provides better value.
Not necessarily. Foam is light, bulky and electrostatically active. The complete airflow network, transfer-point sealing, cyclone, filter area, collection method and fire/gas risk must be evaluated together.
Send material photos or video, feed condition, largest appliance size, units per hour, operating shifts, desired output fractions, local power supply, workshop drawing and refrigerant-handling requirement. YUXI can then propose a process layout and equipment list.
Share the appliance types, pre-treatment condition, capacity, workshop drawing and required recovered materials. YUXI will review the complete process from receiving and depollution to cabinet shredding, foam collection and final sorting.
Get in touch with our nice team today to get a price estimate for a shredder machine.
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