Bag Lifting Centrifuge for Fructose Crystallization

The Bag Lifting Centrifuge is designed for the solid-liquid separation, crystal washing, and dewatering of fructose crystals after crystallization.

In crystalline fructose production, the slurry contains fructose crystals and mother liquor. The centrifuge separates the crystals from the liquid phase, reduces residual mother liquor in the cake, and prepares the product for downstream drying, screening, packaging, or further refining.

The machine is installed after the crystallization stage. Its role is to recover fructose crystals efficiently while supporting hygienic batch operation and controlled product handling.

It is suitable for crystalline fructose slurry with stable cake-forming behavior, food-grade handling requirements, and a need to reduce product loss during discharge.

• Crystalline fructose production
• Food-grade fructose crystal separation
• Refined fructose crystal dewatering
• Fructose mother liquor separation
• Fructose crystal washing before drying
• Fructose recovery after batch crystallization
• Starch-based sweetener processing
• Food ingredient manufacturing
• High-purity fructose production
• Fructose crystal recovery before screening and packaging

Fructose crystal separation requires controlled mother liquor removal, hygienic product handling, and reduced crystal loss during discharge.

Typical operating challenges include:

• Residual mother liquor affecting product purity
• High product value and low loss tolerance
• Hygroscopic product behavior during handling
• Crystal dissolution risk during washing
• Variable crystal size after crystallization
• Requirement for controlled cake moisture before drying
• Hygienic production requirements
• Need for complete batch recovery
• Need to reduce manual scraping inside the basket
• Requirement for stable and repeatable washing performance

The Bag Lifting Centrifuge addresses these requirements through centrifugal filtration, controlled cake washing, high-speed spin drying, and top bag-lifting discharge.

Peony provides centrifuge equipment and separation support for crystalline fructose production, food ingredient processing, and hygienic crystal recovery projects.

Process Evaluation

Our engineers evaluate:

• Crystal size and cake-forming behavior
• Slurry solids content and mother liquor properties
• Target moisture and product purity
• Cake washing requirement
• Required capacity and downstream drying conditions

Equipment Selection

We help customers select:

• Suitable basket size and filter bag specification
• Filter screen and feed configuration
• Cake washing and spin-drying arrangement
• Bag lifting discharge system
• Product-contact materials, CIP option, and PLC automation level

The fructose crystal slurry enters the rotating basket lined with a filter bag and supporting filter screen.

Under centrifugal force:

1. Mother liquor passes through the filter bag and is collected through the filtrate outlet.
2. Fructose crystals are retained inside the basket.
3. A crystal cake gradually forms on the inner surface of the filter bag.
4. Optional wash liquid is introduced to reduce residual mother liquor and improve crystal purity.
5. High-speed rotation removes residual moisture from the fructose crystal cake.
6. The machine stops after the programmed cycle is completed.
7. The filter bag containing the dewatered crystal cake is lifted through the top discharge section.
8. The fructose crystals are collected or transferred to downstream drying, screening, packaging, or further processing equipment.

The complete batch cycle can be controlled through PLC operation to maintain stable filtration, repeatable washing performance, and consistent product handling.

For fructose processing, product-contact components should be selected according to food-grade hygiene requirements and cleaning conditions.

To recommend a suitable Bag Lifting Centrifuge, please provide:

• Fructose product grade
• Crystal size distribution
• Slurry solids concentration
• Mother liquor composition
• Feed temperature
• Batch volume or required capacity
• Target cake moisture
• Product purity requirement
• Cake washing requirement
• Downstream drying method
• Product-contact material requirement
• Surface finish and CIP requirement
• Installation area
• Power supply
• Explosion-proof requirement, if applicable

Peony welcomes distributor and agent cooperation in food ingredient production, crystalline fructose processing, sweetener manufacturing, hygienic crystal separation, and related solid-liquid separation projects.

We support partners with centrifuge selection, process advice, filter bag matching, hygienic material configuration, cake washing design, CIP cleaning options, spare parts, and after-sales service.

Send us your customer’s fructose crystal information, batch capacity, particle size, mother liquor composition, target moisture, washing requirement, and hygiene standard. Our team will help evaluate a suitable Bag Lifting Centrifuge solution.