Coal Washing Wastewater Treatment with LW450×1670B Decanter
ZK SEPARATION LW450×1670B Two-Phase Decanter Centrifuge's Successful Application in Coal Slurry Treatment
Project Background
Coal mining operations generate significant volumes of mine water, primarily from various sources including:
- Washing water from mining processes
- Groundwater infiltration (containing coal particles)
- Main inclined shaft drainage
- Coal conveyor belt cleaning water
- Underground tunnel washing water
- Working face drilling water
This project focuses on treating coal slurry water, which is pumped to the ground-level wastewater treatment station for centralized processing.
Feed Material Conditions
- Solid Content: ≤ 30%
- Temperature: Ambient temperature operation
ZK SEPARATION Solution
The project selected the LW450×1670B two-phase decanter centrifuge, with explosion-proof and safety enhancements specifically designed for coal mine site conditions:
Technical Specifications
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Explosion-Proof Design
Motor adopts explosion-proof structure; temperature and vibration sensors are explosion-proof type
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Explosion-Proof Rating
Ex dⅡ BT4 explosion-proof level
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Protection Rating
IP55 protection level, suitable for harsh industrial environments
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Equipment Model
LW450×1670B two-phase decanter centrifuge, optimized for coal slurry treatment
Project Overview
- Company Name Shanxi Taizhong Coal Washing Co., Ltd.
- Project Location Lüliang, Shanxi
- Equipment Model LW450×1670B
Project Performance Results
The LW450×1670B decanter centrifuge has demonstrated excellent performance in coal washing wastewater treatment, achieving stable operation and high separation efficiency.
Performance Metrics
- Processing Capacity: 8～10 m³/h with feed solid content of 10～15%
- Solid Phase Moisture Content: ≤ 30～40%, with discharge material capable of forming stable piles
- Liquid Phase Solid Content: ≤ 0.5～1%, achieving clear separation
- Equipment Stability: Stable operation with reliable performance in coal mine environment
- Safety Features: Explosion-proof design ensures safe operation in hazardous areas
ZK SEPARATION Technical Advantages
Explosion-Proof Safety Design
Specially designed explosion-proof structure meets Ex dⅡ BT4 standards, ensuring safe operation in coal mine environments with potential explosive atmospheres.
Robust Construction
High-strength materials and IP55 protection rating provide excellent durability and reliability in harsh industrial conditions.
Efficient Separation Performance
Optimized bowl design and screw configuration ensure high separation efficiency for coal slurry treatment applications.
Stable Operation
Advanced control system and precision manufacturing ensure consistent performance and minimal maintenance requirements.
Comprehensive Service Support
Professional technical support and after-sales service ensure optimal equipment performance throughout its lifecycle.
Project Summary
The LW450×1670B two-phase decanter centrifuge has demonstrated stable operation and high separation efficiency in this coal washing wastewater treatment project, significantly improving the efficiency of coal slurry treatment and water reuse. The explosion-proof design ensures safe operation in the coal mine environment, while the excellent separation performance meets all project requirements.
