Industrial Starch Centrifugal Sieving Machine

Product Specifications

Technical details and manufacturing context for Industrial Starch Centrifugal Sieving Machine

Definition

This centrifugal sieving machine is a critical piece of equipment in starch processing plants for the dewatering and classification of starch slurries. It operates by spinning a cylindrical sieve basket at high speed, forcing water through the mesh while retaining starch granules, thereby concentrating the starch product. The machine is essential for achieving the required dry solids content in intermediate or final starch products before drying. Its efficiency directly impacts production yield, energy consumption in downstream drying, and final product quality in the grain mill and starch manufacturing supply chain. The machine is designed for continuous operation and is typically integrated into a processing line where starch slurry is fed from upstream equipment. The basket rotation speed ranges from 800 to 1200 rpm, and the sieve mesh size is between 80 and 120 microns, conforming to ISO 9044. The maximum feed capacity is 5 to 15 cubic meters per hour, with a separation efficiency of 95 to 99 percent. The output moisture content of the starch cake is typically 12 to 18 percent. Motor power ranges from 15 to 30 kW, and the operating temperature should be kept between 0 and 60 degrees Celsius to avoid starch degradation. The machine is available with ingress protection ratings from IP54 to IP65, and wetted parts are made of stainless steel (SS304 or 316L) as per ASTM A240. The weight varies from 800 to 1500 kg depending on capacity and material. These values are reference ranges and must be confirmed for the specific model and application. Always verify model-specific parameters and standards with the legal manufacturer or supplier before procurement.

Working Principle

A motor-driven cylindrical sieve basket rotates at high speed. Starch slurry is fed into the basket, where centrifugal force pushes the liquid phase (water) through the fine mesh screen, while the solid starch granules are retained on the screen's inner surface and are subsequently discharged. The separation efficiency depends on the balance between feed rate, basket speed, and mesh aperture. The machine is designed to handle continuous flow, and the discharged starch cake is then conveyed to drying or further processing. The process is controlled by monitoring feed rate, basket speed, and product moisture content to ensure consistent output quality.

Common Materials

Stainless Steel 316L, Food-Grade Polyurethane, Precision-Woven Mesh Screen

Technical Parameters

Parameter	Typical range	Notes & selection driver
Basket Rotation SpeedRequired	800–1200 rpm	Operational speed of the sieve basket
Sieve Mesh SizeRequired	80–120 microns	Aperture size of the screen meshISO 9044
Maximum Feed CapacityRequired	5–15 m³/h	Maximum volumetric flow rate of starch slurry
Separation EfficiencyRequired	95–99 %	Percentage of starch solids recovered
Output Moisture ContentRequired	12–18 %	Moisture content of the discharged starch cake
Motor Power	15–30 kW	Select based on basket size and feed rate.IEC 60034
Operating Temperature	0–60 °C	Above 60°C may degrade starch quality.
Ingress Protection Rating	IP54–IP65	Higher rating for washdown environments.IEC 60529
Material of Wetted Parts	SS304/316L	316L for corrosive or food-grade applications.ASTM A240
Weight	800–1500 kg	Varies with capacity and material.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Sieve Basket
Rotating cylindrical component that holds the screen mesh for solid-liquid separation

Material: Stainless Steel 316L
Main Drive Motor
Provides rotational power to the sieve basket via a shaft

Material: Cast Iron Housing, Copper Windings
Feed Inlet Nozzle Part
Distributes starch slurry evenly into the rotating basket

Material: Stainless Steel 316L
Screen Mesh Part
Fine mesh filter that allows water passage while retaining starch granules

Material: Precision-Woven Stainless Steel Wire

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Industrial Starch Centrifugal Sieving Machine.

Manufacturers of Industrial Starch Centrifugal Sieving Machine

Manufacturer profiles associated with Industrial Starch Centrifugal Sieving Machine.

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Frequently Asked Questions

What is the typical feed capacity of this machine?

The maximum feed capacity is listed as 5 to 15 cubic meters per hour, but this depends on the specific model and application. Always confirm with the manufacturer.

What mesh sizes are available?

The sieve mesh size ranges from 80 to 120 microns, conforming to ISO 9044. The exact mesh should be selected based on the desired starch particle size and process requirements.

What is the separation efficiency?

The separation efficiency is typically 95 to 99 percent, meaning most starch solids are recovered. However, this can vary with feed characteristics and operating conditions.

What materials are used for wetted parts?

Wetted parts are made of stainless steel, either SS304 or 316L, as per ASTM A240. 316L is recommended for corrosive or food-grade applications.

Data Basis

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Preliminary Technical Classification

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pressure:	Max 2 bar (29 psi)
flow rate:	Up to 50 m³/h
temperature:	5°C to 80°C
slurry concentration:	5% to 40% solids by weight