Top Discharge Centrifuge for Small-Batch Wax Crystal Recovery

The Top Discharge Centrifuge is designed for small-batch wax crystal recovery, washing, dewatering, and manual top discharge after wax crystallization or solvent dewaxing.

It is suitable for filterable wax crystals produced from paraffin wax, microcrystalline wax, specialty wax blends, Fischer-Tropsch wax, petroleum wax fractions, and similar crystallized wax products. The centrifuge separates the liquid phase from the wax crystal cake, supports optional washing to reduce retained oil or solvent, and lowers free liquid before downstream melting, drying, refining, or packaging.

This machine is especially suitable for pilot-scale production, specialty wax grades, laboratory-to-production scale-up, product development batches, and low-to-medium capacity wax recovery lines where flexible operation and product inspection are important.

• Paraffin wax crystal recovery
• Microcrystalline wax separation
• Fischer-Tropsch wax crystal dewatering
• Solvent dewaxing test batches
• Specialty wax blend purification
• Petroleum wax fraction recovery
• Low-oil wax crystal washing
• Wax crystal separation after cooling crystallization
• Small-batch wax recovery from solvent-based processes
• Pilot-scale wax refining and product development

Peony provides the batch solid-liquid separation section between wax crystallization and downstream refining, melting, or packaging.

Wax Crystallizer / Cooling Tank → Slurry Holding Tank → Controlled Feed → Top Discharge Centrifuge → Filtrate / Solvent Collection → Optional Cake Washing → Spin Drying → Manual Top Discharge → Melting / Refining / Packaging

Peony can provide:

• Top discharge centrifuge matched to wax crystal condition and batch capacity
• Basket screen or filter cloth selection based on wax crystal size and fines content
• Controlled slurry feeding arrangement for stable cake formation
• Optional wash system to reduce residual oil, solvent, or mother liquor
• Filtrate collection connection for solvent recovery, recycle, or further treatment
• Temperature-compatible product-contact configuration
• Optional explosion-proof motor and electrical components
• Manual or PLC-assisted batch control configuration
• Connection to downstream melting tank, dryer, filter, storage tank, or packaging line

1. Wax Crystal Slurry Feeding

Wax crystal slurry is fed into the rotating basket through a controlled feed system.

The feeding condition should be matched to slurry temperature and crystal stability to prevent premature melting or excessive crystal breakage.

2. Liquid Separation

Under centrifugal force, oil, solvent, or mother liquor passes through the selected filter medium and basket perforations.

The liquid phase is collected through the filtrate outlet for recycle, solvent recovery, further refining, or treatment.

3. Wax Cake Formation

The wax crystals remain inside the basket and gradually form a filter cake.

Cake permeability depends on wax crystal size, fines content, slurry solids concentration, temperature, and liquid viscosity.

4. Optional Cake Washing

A compatible wash liquid can be introduced to reduce retained oil, solvent, or impurity-containing liquid between the wax crystals.

The wash medium and wash temperature should be selected carefully to avoid excessive wax dissolution or crystal melting.

5. Spin Drying and Top Discharge

After filtration and optional washing, the basket continues rotating to reduce free liquid in the wax cake.

Once the batch cycle is complete, the cover is opened and the dewatered wax crystals are discharged manually from the top of the basket.

Suitable for Small-Batch Wax Recovery

The top discharge structure is suitable for pilot plants, specialty wax grades, product trials, and low-to-medium batch capacities.

Controlled Removal of Oil or Solvent

Filtration and spin drying help reduce retained liquid before downstream melting, refining, or packaging.

Optional Wax Cake Washing

An optional wash step can reduce oil, solvent, or mother liquor carryover when a cleaner wax crystal product is required.

Flexible Basket Screen Selection

The basket screen or filter medium can be matched to wax crystal size, fines content, and required filtrate clarity.

Easy Batch Inspection and Cleaning

The top discharge design allows convenient inspection of the basket, filter medium, and wax cake between production batches.

To recommend a suitable Top Discharge Centrifuge for wax crystal recovery, please provide:

• Wax type and product specification
• Crystal size distribution and fines content
• Slurry solids concentration
• Slurry temperature during centrifugation
• Oil, solvent, or mother liquor composition
• Liquid viscosity
• Required batch capacity and daily output
• Target residual oil or solvent content
• Cake washing requirement
• Filtrate recycle or solvent recovery arrangement
• Required product-contact material
• Explosion-proof requirement
• Downstream melting, refining, storage, or packaging arrangement

Is this centrifuge suitable for paraffin wax crystal recovery?

Yes. It can be configured for paraffin wax crystal recovery when the wax slurry forms stable, filterable crystals at the separation temperature.

Can the centrifuge process solvent dewaxing slurry?

Yes. It can be used for solvent-based wax crystal separation when the filter medium, sealing system, filtrate collection, and explosion-proof configuration are selected according to the actual solvent system.

Can the wax crystals be washed inside the centrifuge?

Yes. An optional cake washing system can be added to reduce retained oil or solvent. The wash liquid and wash temperature should be confirmed to avoid unwanted wax dissolution or melting.

What affects the remaining oil or solvent in the wax cake?

Residual liquid depends on crystal size, fines content, slurry temperature, liquid viscosity, cake thickness, spin-drying time, centrifugal force, and washing conditions.

Is this centrifuge suitable for continuous large-scale wax production?

It is mainly suitable for small-batch and flexible wax recovery duties. For high-throughput continuous wax processing, another centrifuge type or a continuous filtration system may be more suitable.

Peony welcomes distributor and agent cooperation with wax producers, petroleum refining companies, solvent dewaxing contractors, specialty chemical manufacturers, lubricant oil processors, and industrial separation partners.

We support partners with centrifuge selection, basket screen matching, wax slurry feeding design, cake washing arrangement, solvent recovery connection, explosion-proof configuration, installation guidance, commissioning support, spare parts, and after-sales service.

Send us your wax type, slurry temperature, crystal size, solvent or oil composition, batch capacity, target residual liquid, washing requirement, and downstream handling arrangement. Our engineering team will recommend a suitable Top Discharge Centrifuge solution for your wax crystal recovery process.