Top Discharge Centrifuge for Reactor Discharge Slurry Separation
Description
The Top Discharge Centrifuge is designed for batch solid-liquid
separation of filterable slurry discharged from chemical reactors,
neutralization tanks, crystallizers, and precipitation vessels.
It is suitable when a reaction produces crystals, precipitated
solids, catalyst-containing solids, or other filterable products
that need to be separated from mother liquor before washing,
drying, reuse, or further processing.
This configuration is especially suitable for small and medium
batches, multiproduct fine chemical lines, pilot plants, and
projects where operators need to inspect the cake before downstream
drying or packaging.
Reactor Discharge Slurry Separation Solution
Peony provides the separation section between the reactor and
downstream drying, recovery, or product finishing equipment.
A typical arrangement is:
Reactor → Slurry Cooling / Aging Tank → Top Discharge Centrifuge →
Filtrate Collection or Recovery → Optional Cake Washing → Spin
Drying → Manual Top Discharge → Dryer / Reprocessing / Packaging
For some processes, the reactor slurry may first enter a holding
tank to stabilize temperature, solids concentration, and feeding
rate before centrifugation.
The separated liquid can be collected for:
- Mother liquor recycle
- Solvent recovery
- Return to the reactor system
- Further purification
- Wastewater treatment
The dewatered solids can be transferred to vacuum drying, tray
drying, milling, screening, re-dissolution, or final packaging.
What Peony Can Configure
- Basket size according to reactor batch volume
- Filter screen or filter cloth selection
- Feed method for variable reactor discharge conditions
- Cake washing system for impurity removal
- Filtrate collection and recycle connection
- Spin-drying cycle for lower residual liquid
- Product-contact material for corrosive or solvent-containing slurry
- Manual top-discharge arrangement for cake inspection
- Integration with reactors, dryers, solvent recovery, and packaging
systems
How the Top Discharge Centrifuge Works in Reactor Discharge Slurry
Separation- Reactor Slurry Feeding
The reactor discharge slurry enters the rotating basket lined with
suitable filter media. - Liquid Filtration
Mother liquor, solvent, or reaction liquid passes through the
filter medium and is collected through the filtrate outlet. - Solid Retention
Crystals, precipitates, or filterable reaction solids remain inside
the basket. - Cake Formation
A filter cake gradually forms on the inner basket surface. - Optional Cake Washing
Compatible wash liquid can be introduced to reduce residual mother
liquor, soluble salts, residual reactants, or reaction by-products. - Spin Drying
The basket continues rotating to reduce residual liquid in the
cake. - Manual Top Discharge
After the cycle is complete, the basket stops, the cover is opened,
and operators remove the dewatered solids from the basket.
Technical Parameter| Type | Basket - Diameter (mm) | Basket - Volume (L) | Basket - Capacity (kg) | Basket - Speed (rpm) | Basket - G-force | Power (kw) | Weight (kg) | Dimension (L×W×H) (mm) |
|---|
| PPTD-10 | 300 | 5 | 10 | 2500 | 1050 | 1.1 | 180 | 890×600×500 |
| PPTD-25 | 450 | 20 | 25 | 1900 | 910 | 1.5 | 250 | 980×650×870 |
| PPTD-50 | 600 | 40 | 50 | 1500 | 756 | 3 | 800 | 1300×880×900 |
| PPTD-135 | 800 | 100 | 135 | 1200 | 645 | 5.5 | 1300 | 1800×1200×1140 |
| PPTD-135-NA | 800 | 100 | 135 | 1500 | 1008 | 7.5 | 1300 | 1800×1200×1140 |
| PPTD-200 | 1000 | 150 | 200 | 1000 | 560 | 7.5 | 2000 | 2050×1500×1220 |
| PPTD-200-NA | 1000 | 150 | 200 | 1200 | 806 | 11 | 2000 | 2050×1500×1220 |
| PPTD-300 | 1200 | 250 | 300 | 800 | 431 | 11 | 2500 | 2350×1650×1370 |
Main Advantages in Reactor Discharge Separation
Matches Batch Reactor Operation
The centrifuge is suitable for batch reactor discharge, where
slurry composition, solids concentration, and production volume may
vary from batch to batch.
Direct Product Cake Inspection
Operators can inspect cake thickness, crystal condition, particle
appearance, and washing result before removing the material.
Controlled Mother Liquor Removal
Centrifugal filtration reduces liquid retained in the solids before
drying, helping lower downstream drying demand and product
carryover.
Optional Cake Washing
A wash stage can reduce residual mother liquor, soluble impurities,
reaction residues, or unwanted salts retained between particles.
Flexible for Multi-Product Lines
The accessible top-discharge structure supports basket cleaning,
filter media replacement, and material changeover between different
chemical batches.
Material and Safety Options| Component | Typical Options |
|---|
| Basket and casing | SS304, SS316L, Duplex Stainless Steel, or customized alloy |
| Filter medium | Perforated basket, metal screen, filter cloth, or customized media |
| Seals and gaskets | PTFE, EPDM, FKM, silicone, or compatible materials |
| Washing system | Single-stage or multi-stage washing arrangement |
| Electrical configuration | Standard or explosion-proof configuration |
| Cleaning option | Manual cleaning or optional spray-ball cleaning |
| Optional safety features | Nitrogen protection, vapor connection, vibration monitoring, or
customized interlocks |
What Data Is Needed for Selection?
To recommend a suitable Top Discharge Centrifuge, please provide:
- Reactor process and material name
- Reactor batch volume
- Solid type and particle-size distribution
- Slurry solids concentration
- Mother liquor or solvent composition
- Feed temperature and viscosity
- Required batch cycle time
- Target cake moisture
- Cake washing requirement
- Product purity requirement
- Manual discharge acceptability
- Corrosion condition
- Explosion-proof requirement, if applicable
- Downstream dryer or product handling arrangement
FAQ
Can the centrifuge be connected directly to a reactor?
It can be connected directly when the reactor discharge is stable
and suitable for centrifuge feeding. For variable slurry
concentration, high temperature, or intermittent discharge, a
slurry holding tank is often recommended.
Can it separate reaction precipitates?
Yes, provided the precipitated solids can form a stable and
filterable cake inside the basket.
Can the filtrate be recycled?
Yes. The filtrate can be collected for solvent recovery, mother
liquor recycle, further purification, or treatment according to the
process route.
Can the cake be washed inside the centrifuge?
Yes. A washing system can be configured to reduce residual mother
liquor, soluble impurities, or reaction residues before final spin
drying.
Is it suitable for solvent-containing slurry?
It can be configured for solvent service, but material selection,
seals, motor type, electrical components, ventilation, and
explosion-proof requirements must be confirmed based on the solvent
and plant classification.
Contact Peony for Partnership
Peony welcomes cooperation with chemical manufacturers, fine
chemical producers, reactor system suppliers, EPC contractors,
pilot plants, and industrial separation partners.
We support customers with centrifuge selection, filter media
matching, reactor-to-centrifuge integration, cake washing design,
solvent-compatible material configuration, process consultation,
installation guidance, spare parts, and after-sales service.
Send us your reactor slurry information, batch capacity, particle
size, solids concentration, liquid composition, target moisture,
washing requirement, and process layout. Our engineering team will
help evaluate a suitable Top Discharge Centrifuge solution.
