Coal, Coke & Ore Physical Testing
Pre Drum Multi Deck Mechanical Vibrating Screen for Sinter and Pellets Sieve Grading
Item Number : KT-JTN
Price varies based on specs and customizations
- Screen Surface Dimensions
- 1600 × 500 mm
- Screen Mesh Apertures
- 40×40mm, 25×25mm, 16×16mm, 10×10mm
- Excitation Frequency
- 960 cycles/min
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Product Overview
This pre-drum multi-deck mechanical vibrating screen is specifically engineered to automate and standardize the particle size classification of sinter and iron ore pellets prior to mechanical tumbling strength tests. Manufactured in strict compliance with the GB/T 24531-2009 standard, the equipment replaces physically demanding, inconsistent manual screening routines with uniform, automated mechanical separation. It integrates an intelligent screening cycle timer, allowing metallurgical testing personnel to configure exact separation cycles to maintain consistency across batch evaluations.
Designed for quality control laboratories, raw material processing facilities, and integrated steelworks, the unit accelerates preparation protocols for metallurgical mechanical strength verification. By standardizing the classification of raw sintered cake and agglomerated pellets across standard fraction boundaries, the system ensures precision in downstream testing such as tumble index and abrasion index testing. The robust construction and balanced vibrational dynamics guarantee continuous processing capacity even when handling abrasive, heavy mineral ores.
Constructed with high-rigidity structural steel, resilient spring dampeners, and wear-resistant screening panels, this system delivers dependable performance under demanding industrial and laboratory environments. High operational stability and steady vibrational frequency isolate mechanical shocks from surrounding equipment, protecting floor integrity while ensuring reproducible particle distribution metrics. Laboratory managers and metallurgists gain verifiable, repeatable grading accuracy that safeguards process feedback and product quality audits.
Detail & Parts
Key Features
- Standardized Quality Compliance: Engineered in precise accordance with GB/T 24531-2009 specifications to deliver repeatable sample preparation for sinter and pellet tumbler strength determination, eliminating protocol deviations across shifts.
- Automated Cycle Timing: Integrated electrical control system features a user-programmable digital timer that precisely automates run duration, ensuring repeatable agitation intervals and freeing operators for concurrent tasks.
- Multi-Deck Stratified Sizing: Features multi-layer screen deck configurations arranged across targeted inclination angles, enabling simultaneous separation into defined size fractions across an expansive grading area.
- Robust Dual-Spring Isolation: Heavy-duty suspension springs mounted on reinforced support brackets absorb structural resonance and isolate vibrational forces from the base, delivering steady dynamic amplitude.
- Balanced Mechanical Excitation: Driven by a high-efficiency industrial motor linked to an eccentric mechanical drive system, the assembly maintains a steady frequency of 960 cycles per minute and a balanced 6 to 8 mm amplitude.
- Wear-Resistant Interchangeable Screens: High-strength screening plates resist abrasive degradation from jagged iron ore sinter and pellets, featuring aperture dimensions of 40×40mm, 25×25mm, 16×16mm, and 10×10mm for precise fraction sizing.
- Ergonomic Feed and Discharge Geometry: Optimized gravity feeding hopper combined with engineered deck slope angles between 10° and 11.5° ensures progressive material travel along screen surfaces without bed blinding or stagnation.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Iron Ore Sinter Pre-Drum Analysis | Grading blast furnace sinter batches to isolate precise particle fractions before standard tumbler and abrasion resistance testing. | Eliminates manual screening bias and guarantees compliance with national and international metallurgical standards. |
| Oxidized Pellet Quality Verification | Sizing fired and fluxed iron ore pellets prior to compressive strength and drum index mechanical integrity screening. | Delivers clean fraction cuts without chipping or degrading brittle agglomerates during mechanical excitation. |
| Blast Furnace Feedstock Optimization | Routine quality auditing of ironmaking burden constituents directly sampled from blast furnace bunker conveyor feeds. | Provides immediate, accurate grain size distribution curves to help operators fine-tune furnace permeability. |
| Mineral Agglomeration R&D | Laboratory-scale screening of newly formulated binders, green pellets, and cold-bonded briquettes across research facilities. | Delivers consistent, programmable vibration cycles to support comparative degradation and strength research. |
| Sinter Plant Process Control | In-line QA/QC testing along continuous sintering strands to determine burn-through uniformity and product breakage properties. | Lowers labor intensity while delivering fast feedback on sintering grate and ignition hood operational efficiency. |
| Third-Party Inspection & Assaying | Independent testing of metallurgical bulk shipments at port terminals and transshipment yards prior to commercial verification. | Guarantees legally reproducible screening results utilizing certified standard-compliant aperture dimensions. |
Technical Specifications
| Specification Parameter | Value / Detail |
|---|---|
| Equipment Model Code | KT-JTN |
| Manufacturing Standard | GB/T 24531-2009 |
| Screen Deck Configurations | 2 Decks / 4 Decks |
| Screen Mesh Aperture Dimensions | 40 × 40 mm, 25 × 25 mm, 16 × 16 mm, 10 × 10 mm |
| Screen Surface Dimensions (L × W) | 1600 × 500 mm |
| Deck Inclination Angle | 10° – 11.5° |
| Vibrational Amplitude | 6 – 8 mm |
| Excitation Frequency | 960 cycles/min |
| Drive Motor Rated Power | 2.2 kW |
| Electrical Power Supply | 380 V (Three-Phase) |
| Operational Timing Control | Integrated automatic digital timer with user-defined settings |
| Structural Components | Base chassis, support brackets, vibrating screen box, screen decks, spring brackets, damping springs, feed chute, drive mechanism, electric motor |
Why Choose This Product
- Precision Compliance Engineering: Manufactured strictly to GB/T 24531-2009 standards, this unit eliminates variance in raw material testing, ensuring complete confidence during quality control audits and international cargo verifications.
- Heavy-Duty Industrial Construction: Built with thickened structural chassis beams, premium damping springs, and high-hardness wear-resistant screen plates designed specifically to resist the continuous impact and abrasion of heavy mineral ores.
- Significantly Reduced Labor Costs: Automating the manual sieving sequence minimizes technician fatigue, eliminates musculoskeletal strain associated with heavy mineral grading, and increases daily sample throughput.
- Consistent Operational Repeatability: The high-torque 2.2 kW drive maintains an exact 960 cycles/min vibration frequency and stable 6–8 mm throw, ensuring sample separation is never skewed by motor droop or mechanical friction.
- Customizable Multi-Deck Versatility: Adaptable between 2-deck and 4-deck configurations to handle either basic single-fraction separation or complex multi-fraction distributions across standard 10 mm to 40 mm screening matrices.
Contact our technical engineering team today to request a detailed quotation, discuss custom aperture configurations, or evaluate complete sample preparation solutions for your metallurgical testing facility.
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