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Used Decanter Centrifuges in Germany

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Overview

Decanter centrifuges are continuous, high-speed machines that separate solids from liquids by using a rotating bowl and a conveyor screw. Common in wastewater, food, chemical, oil and gas, and mining applications, they handle high throughput and produce relatively dry solids and clear liquid overflow. Selection focuses on bowl diameter, G-force, differential speed, and wear-resistant construction to match feed characteristics and desired cake dryness.

FAQ

What specifications should I check when buying a used decanter centrifuge?

Check bowl diameter, rotational speed (G-force), conveyor differential, throughput capacity, motor type, gearbox hours, and material of construction. Review run-hours, maintenance records, and recent wear part replacements.

How do I inspect a decanter before purchase?

Inspect the bowl and conveyor for corrosion, scoring, or grooves; check bearings, seals, and gearbox for leaks or noise; verify alignment and run-out; request test-run video under load if possible.

What are typical shipping considerations for decanter centrifuges?

Note overall weight, dimensions, and lifting points. Large machines often require partial disassembly (bowl removal, skid lifting) and specialized crating. Arrange transport with heavy-equipment haulers and plan for inland lifting equipment at delivery.

What wear parts should I budget for and how often are they replaced?

Common wear parts include scroll flights, wear plates, feed zones, and seals. Replacement intervals depend on abrasiveness and duty but expect inspections quarterly and parts replacement from months to a few years under heavy service.

What is involved in installing and commissioning a decanter?

Installation includes proper foundation or skid securing, electrical and drive hookups, alignment, lubrication setup, controlled test runs with feed, fine-tuning differential speed and pond level, and operator training.