ZHANGJIAGANG CITY PEONY MACHINERY CO.,LTD
| MOC | SS304 / SS316L / duplex stainless steel / corrosion-resistant alloy, as required |
| Product Collection | Bottom hopper, screw conveyor, belt conveyor, dryer feed, or storage bin connection |
| Separation Method | Batch solid-liquid filtration |
| Application | Boric acid crystal dewatering, boric acid slurry separation, mother liquor removal, cake washing, and crystal recovery after crystallization |
| Payment Terms | T/T,L/C,Western Union |
| Supply Ability | 100 sets/month |
| Delivery Time | 60-75 days after deposit |
| Packaging Details | Standard export packings |
| Bearing | SKF, NSK, or equivalent, as optional |
| Keyword2 | Boric Acid Mother Liquor Removal |
| Corrosion Resistance | Selected according to mother liquor acidity, chloride content, temperature, and wash-liquid condition |
| Discharge type | Automatic scraper bottom discharge |
| Keyword1 | Scraper Bottom Discharge Centrifuge |
| Product Name | Scraper Bottom Discharge Centrifuge for Boric Acid Crystal Dewatering |
| Keyword | Boric Acid Crystal Dewatering Centrifuge |
| Operation | Automatic batch operation |
| Brand Name | Peony |
| Model Number | PPSBD |
| Certification | ISO |
| Place of Origin | China |
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Product Specification
| MOC | SS304 / SS316L / duplex stainless steel / corrosion-resistant alloy, as required | Product Collection | Bottom hopper, screw conveyor, belt conveyor, dryer feed, or storage bin connection |
| Separation Method | Batch solid-liquid filtration | Application | Boric acid crystal dewatering, boric acid slurry separation, mother liquor removal, cake washing, and crystal recovery after crystallization |
| Payment Terms | T/T,L/C,Western Union | Supply Ability | 100 sets/month |
| Delivery Time | 60-75 days after deposit | Packaging Details | Standard export packings |
| Bearing | SKF, NSK, or equivalent, as optional | Keyword2 | Boric Acid Mother Liquor Removal |
| Corrosion Resistance | Selected according to mother liquor acidity, chloride content, temperature, and wash-liquid condition | Discharge type | Automatic scraper bottom discharge |
| Keyword1 | Scraper Bottom Discharge Centrifuge | Product Name | Scraper Bottom Discharge Centrifuge for Boric Acid Crystal Dewatering |
| Keyword | Boric Acid Crystal Dewatering Centrifuge | Operation | Automatic batch operation |
| Brand Name | Peony | Model Number | PPSBD |
| Certification | ISO | Place of Origin | China |
| High Light | NSK Basket Centrifuge ，SS304 Industrial Basket Centrifuge ，Basket Centrifuge For Separating Cooked Grain | ||
The Scraper Bottom Discharge Centrifuge is designed for batch filtration, cake washing, dewatering, and automatic discharge of filterable boric acid crystals.
It is suitable for boric acid crystallization processes where crystal slurry contains boric acid crystals, acidic mother liquor, dissolved impurities, fines, and residual wash liquid. The separation stage must remove mother liquor efficiently, support controlled washing when required, reduce liquid carryover before drying, and discharge the recovered crystals with limited manual handling.
This configuration is suitable for boric acid production lines with stable, filterable crystals and downstream drying, screening, storage, or packaging systems. Final material selection should be confirmed according to mother liquor acidity, chloride content, temperature, and wash-liquid conditions.
Peony provides the solid-liquid separation section between upstream crystallization and downstream drying or product handling equipment.
Boric Acid Crystallizer / Slurry Tank → Controlled Feed → Scraper Bottom Discharge Centrifuge → Mother Liquor Collection / Recycle → Optional Cake Washing → Spin Dewatering → Automatic Scraper Discharge → Dryer / Screen / Storage / Packaging
Peony can provide:
Boric acid crystal slurry enters the rotating basket through a controlled feed system. The feed rate is adjusted to support even cake buildup and reduce localized overloading.
Acidic mother liquor passes through the filter medium and basket perforations before leaving through the filtrate outlet.
Boric acid crystals remain inside the basket while the liquid phase is discharged.
As feeding continues, retained crystals gradually form a stable filter cake on the inner basket wall.
Compatible wash liquid can be introduced to reduce residual mother liquor, dissolved impurities, color-bearing liquor, or unwanted soluble residues retained between crystals.
Wash-liquid type, temperature, volume, and wash sequence should be selected carefully to improve product purity while limiting unnecessary boric acid dissolution.
The basket continues rotating to reduce free liquid retained in the boric acid crystal cake.
After the programmed dewatering cycle is complete, the scraper mechanism removes the filter cake from the basket wall.
The washed and dewatered boric acid crystals are discharged through the bottom outlet and transferred to a dryer, screen, conveyor, storage hopper, or packaging system.
| Model | Diameter | Volume | Capacity | Speed | G-force | Power | Weight | Dimension |
|---|---|---|---|---|---|---|---|---|
| PPSBD-140 | 800 mm | 100 L | 140 kg | 1500 rpm | 1008 | 11 kW | 3000 kg | 1800 × 1200 × 1670 mm |
| PPSBD-200 | 1000 mm | 150 L | 200 kg | 1200 rpm | 806 | 15 kW | 4000 kg | 2050 × 1500 × 2000 mm |
| PPSBD-200 | 1000 mm | 150 L | 200 kg | 1200 rpm | 567 | 15 kW | 4000 kg | 2050 × 1500 × 2000 mm |
| PPSBD-400 | 1250 mm | 280 L | 400 kg | 900 rpm | 567 | 18.5 kW | 5000 kg | 2350 × 1650 × 2450 mm |
| PPSBD-540 | 1250 mm | 400 L | 540 kg | 1000 rpm | 700 | 22 kW | 5000 kg | 2350 × 1650 × 2920 mm |
| PPSBD-540 | 1250 mm | 400 L | 540 kg | 1000 rpm | 700 | 22 kW | 5500 kg | 2400 × 1700 × 2920 mm |
| PPSBD-1200 | 1600 mm | 900 L | 1200 kg | 850 rpm | 647 | 37 kW | 8500 kg | 3000 × 2200 × 3300 mm |
The scraper mechanism removes the dewatered crystal cake automatically through the bottom outlet, reducing manual unloading requirements.
Basket filtration and spin dewatering reduce mother liquor retained in the boric acid crystal cake before downstream drying or packaging.
A controlled wash step can reduce residual soluble impurities and mother liquor. Wash conditions can be reviewed to balance purity improvement and boric acid recovery.
The equipment is suitable for boric acid crystals that can form a stable and permeable cake inside the basket.
Final spin dewatering helps reduce free liquid in the cake before the product enters drying equipment.
Please provide:
Yes, provided the boric acid crystals are filterable and can form a stable cake inside the basket. Final selection depends on crystal size, fines content, mother liquor chemistry, and required capacity.
Yes. An optional cake-washing system can be configured to reduce residual mother liquor and soluble impurities before final spin dewatering.
It can if wash liquid, wash temperature, or wash volume are not properly controlled. The wash system should be selected according to boric acid solubility and the required purity target.
Yes. The separated mother liquor can be returned to the crystallization loop, routed to recovery, or sent for further treatment according to the process design.
Yes. The scraper mechanism automatically removes the dewatered boric acid cake and discharges it through the bottom outlet.
Peony welcomes distributor and agent cooperation with boric acid producers, borate chemical processors, crystallization equipment suppliers, evaporation system integrators, fertilizer and mineral chemical contractors, and industrial separation partners.
We support partners with boric acid crystal dewatering equipment selection, filter media matching, cake washing design, mother liquor recycle connection, corrosion-resistant material selection, automatic scraper discharge configuration, downstream dryer or conveyor integration, spare parts, commissioning, and technical service.
Send us your boric acid crystal size, slurry solids concentration, mother liquor acidity and chloride content, required capacity, target cake moisture, washing requirement, corrosion condition, and downstream handling arrangement. Our team will help evaluate a suitable Scraper Bottom Discharge Centrifuge solution.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
35Million -40Million
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Basic Information Zhangjiagang City Peony Machinery Co., Ltd., founded as a special producing enterprise of separating equipment in 2008, is the well-known manufacturer and service provider of separation and filtration in China. Peony dedicated to solving the solid-liquid, liquid-liquid separation p... Basic Information Zhangjiagang City Peony Machinery Co., Ltd., founded as a special producing enterprise of separating equipment in 2008, is the well-known manufacturer and service provider of separation and filtration in China. Peony dedicated to solving the solid-liquid, liquid-liquid separation p...
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