Français
Deutsch
Italiano
Русский
Español
Português
Nederlandse
Ελληνικά
日本語
한국
العربية
Türkçe
Indonesia
Tiếng Việt
ไทย
বাংলা
فارسی
Polski
Bag Pulling Discharge Centrifuge
,Drug Intermediates Bottom Discharge Centrifuge
,Pharmaceutical Bottom Discharge Centrifuge
The top discharge centrifuge is designed for batch solid-liquid separation and dewatering of pesticide intermediate crystals.
It is suitable for pesticide intermediate production lines that require flexible batch operation, reliable crystal recovery, controlled cake moisture, easy cleaning, and corrosion-resistant configuration.
For pesticide intermediate crystal dewatering, Peony provides not only centrifuge equipment, but also material evaluation, model selection, filter cloth matching, washing process support, anti-corrosion material selection, and separation performance support.
Pesticide intermediate crystal dewatering is a critical step after crystallization, reaction, neutralization, washing, or precipitation. The separation result directly affects product purity, drying efficiency, solvent recovery, mother liquor recycling, and batch consistency.
This solution is suitable for:
| Chemical Material | Solution Purpose |
|---|---|
| Fine chemical crystals | Batch filtration and automatic discharge |
| Organic salt crystals | Mother liquor separation and cake washing |
| Inorganic chemical crystals | Moisture reduction after crystallization |
| Pharmaceutical intermediates | Enclosed dewatering and cleaner discharge |
| Pesticide intermediates | Solvent or mother liquor separation |
| Pigment and dye intermediates | Solid-liquid separation before drying |
| Catalyst or additive crystals | Controlled cake recovery |
| Specialty chemical crystals | Multi-batch dewatering solution |
The top discharge structure is especially suitable for pesticide intermediate projects with frequent batch changeover, medium batch capacity, flexible operation requirements, and cost-sensitive investment plans.
In pesticide intermediate production, common separation problems include:
|
Challenge |
Possible Cause |
Solution Focus |
|---|---|---|
|
High cake moisture |
Fine crystals, poor permeability, short spin time |
Basket speed, dewatering time, cake thickness |
|
Slow filtration |
Small particle size or viscous mother liquor |
Filter cloth matching and feeding control |
|
Product contamination |
Residue from previous batch or poor cleaning |
Easy-cleaning structure and filter cloth replacement |
|
Crystal loss |
Wrong filter cloth mesh or unstable cake formation |
Filter medium selection and cake control |
|
Corrosion risk |
Acid, alkali, chloride, solvent, or high temperature |
SS316L, duplex steel, titanium, or lining options |
|
Solvent vapor risk |
Volatile or flammable mother liquor |
Sealed design, explosion-proof motor, nitrogen protection |
|
Difficult discharge |
Sticky cake or compacted crystals |
Proper loading volume and manual discharge tools |
|
Unstable batch quality |
Feed concentration or particle size changes |
Process evaluation before model selection |
|
System Part |
Function |
|---|---|
|
Slurry feeding system |
Feeds pesticide intermediate crystal slurry into the basket |
|
Top discharge centrifuge |
Separates mother liquor and dewaters crystal cake |
|
Filter cloth / filter bag |
Retains crystals and controls filtrate clarity |
|
Cake washing system |
Removes residual mother liquor or impurities |
|
Mother liquor outlet |
Collects filtrate for recovery or treatment |
|
Manual top discharge |
Allows visible cake condition and flexible unloading |
|
Cleaning access |
Supports batch changeover and residue cleaning |
|
Anti-corrosion configuration |
Matches acidic, alkaline, solvent, or chloride conditions |
|
Downstream connection |
Dryer, collection bin, conveyor, or packaging process |
This makes the centrifuge suitable for pesticide intermediate plants where production batches change frequently and separation conditions may vary by product.
How the Top Discharge Centrifuge Works in Pesticide Intermediate Crystal Dewatering
The typical process is:
Filter Cloth Installation → Slurry Feeding → Basket Filtration → Crystal Cake Formation → Optional Cake Washing → Final Dewatering → Top Manual Discharge → Crystal Collection → Cleaning for Next Batch
During operation, the pesticide intermediate slurry enters the basket. Under centrifugal force, the liquid phase passes through the filter cloth and basket perforations. The solid crystals are retained and form a cake on the basket wall. After optional washing and final dewatering, the operator discharges the crystal cake from the top.
This process is suitable for pesticide intermediate crystals that require flexible operation, visible cake condition, controlled washing, and easy cleaning between batches.
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 Pesticide Intermediate Crystal Dewatering
Flexible for Multi-Product Production
Easy Cake Observation
Cost-Effective Dewatering
Suitable for Cake Washing
Easy Cleaning and Batch Changeover
Anti-Corrosion Configuration
Available Custom Options
The centrifuge can be customized according to the process:
|
Item |
Available Configuration |
|---|---|
|
Contact material |
SS304, SS316L, duplex steel, titanium, lining options |
|
Basket size |
Selected according to batch capacity |
|
Filter cloth |
Selected according to crystal size and filtrate clarity |
|
Washing system |
Optional cake washing pipe |
|
Motor |
Standard or explosion-proof motor |
|
Sealing design |
Open, semi-closed, or sealed design |
|
Surface treatment |
Polishing or anti-corrosion treatment |
|
Control system |
Standard control or customized control cabinet |
|
Cleaning design |
Easy cleaning access, cleaning port, or removable filter cloth |
|
Discharge tool |
Manual scraper, shovel, or customized discharge tool |
| Downstream connection | Dryer, conveyor, collection bin, or packaging line |
To recommend a suitable centrifuge solution, please provide:
-
Material name: pesticide intermediate / agrochemical intermediate / organic crystal / other
-
Material form: slurry / wet crystal / cake
-
Batch capacity: kg per batch or tons per day
-
Particle size: mm or mesh
-
Solids content: %
-
Feed moisture: %
-
Target cake moisture: %
-
Mother liquor composition: water / solvent / acid / alkali / salt solution
-
Viscosity and temperature: if available
-
Washing requirement: yes / no
-
Corrosion risk: chloride / acid / alkali / solvent / high temperature
-
Explosion-proof requirement: yes / no
-
Contact material preference: SS304 / SS316L / titanium / other
-
Downstream process: drying / packaging / further reaction
Is this centrifuge suitable for pesticide intermediate crystal dewatering?
Yes. It is suitable for batch dewatering of pesticide intermediate crystals after crystallization, reaction, washing, or precipitation.
Why choose a top discharge centrifuge?
It is suitable for flexible batch operation, visible cake condition, easy cleaning, and cost-effective solid-liquid separation.
Can it handle solvent-containing materials?
It may be possible, but solvent type, flash point, vapor risk, and explosion-proof requirements must be evaluated before selection.
Can the crystal cake be washed inside the centrifuge?
Yes. A washing pipe can be added for cake washing, mother liquor replacement, and product purity improvement.
Can it be used for corrosive mother liquor?
Yes, but the mother liquor composition should be confirmed first. SS316L, duplex steel, titanium, or lining options can be selected according to corrosion risk.
Peony welcomes distributor and agent cooperation in pesticide intermediates, agrochemical intermediates, fine chemicals, and chemical crystal dewatering projects.
We support partners with centrifuge selection, process advice, material configuration, filter cloth matching, cake washing design, anti-corrosion options, spare parts, and after-sales service.
Send us your customer’s material information, capacity, particle size, mother liquor composition, and target moisture. Our team will help evaluate a suitable top discharge centrifuge solution.
Wastewater Treatment Decanter Centrifuge
Palm Oil Extraction Decanter Centrifuge
Fine Chemical Industry Decanter Centrifuge
