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Flotation Coal Concentrate Dryer for Mineral Plants
Product Overview
A Flotation Coal Concentrate Dryer is a specialized thermal drying system engineered specifically to dewater ultra-fine flotation coal concentrate, coal slurry, and filter cakes produced during mineral flotation processes. Because flotation concentrate consists of extremely fine particles mixed with high surface moisture, standard dryers often suffer from clogging or heavy dust loss. This system combines efficient heat transfer with advanced de-dusting to yield a dry, free-flowing, high-value clean coal product.
Working Principle
Dispersion & Feed: High-moisture flotation coal cake enters a closed drying chamber (e.g., rotary paddle, indirect steam tube, or fluidized bed dryer) fitted with specialized agitators or flighting to break up fine, cohesive lumps.
Thermal Evaporation: Hot air, indirect steam, or flue gas heats the dispersed fine particles. Moisture rapidly evaporates at controlled process temperatures without degrading the coal’s volatile matter.
High-Efficiency Dust Capture: As the dry concentrate is continuously discharged, a multi-stage dust collection system (combining high-efficiency cyclones and heavy-duty baghouses) captures 99%+ of the fine coal dust, returning it to the product stream to eliminate material loss.
Key Advantages
Ultra-Fine Particle Handling: Tailored for small particle sizes, preventing fluidization blowouts, feed-throat plugging, and severe wall-adhesion.
Maximum Product Yield: High-efficiency closed-loop dust recovery ensures virtually zero loss of valuable flotation concentrate.
Restores Market Value: Reduces moisture from 25%–35% down to target levels (
Low Energy Consumption: Direct or indirect thermal designs optimize heat transfer per ton of evaporated water，cutting operating costs .
Safe, Dust-Free Environment: Enclosed negative-pressure operation prevents fugitive coal dust leakage, maintaining strict plant environmental and safety standards.
Applications
Coal Washing & Beneficiation Plants: Dewatering fine flotation concentrate, thickener underflow, and disc filter cakes.
Metallurgical Coal Processing: Pre-drying fine coking coal concentrate prior to coal blending and coke oven charging.
Mineral Processing Facilities: Upgrading fine coal recovered from mine tailings, ponds, and mineral processing waste streams.
4.Technical Specifications
Product Specs (m) |
Capacity(T/H) |
Main Motor Power |
Main Motor Mode1 |
Main Gearbox Model |
Ratio |
Weight (T) |
1.2x10m |
2.5 |
7.5 |
Y160M-R3 |
ZL50-16-1 |
13.5 |
|
1.5x12m |
3.3-4.9 |
10 |
Y160L-6B3 |
JZQ500-111-2F |
- |
18.9 |
1.5x15m |
4-6 |
18.5 |
Y200L-6 |
JZQ500-111-2F |
21 |
|
1.8x12m |
4-6 |
11 |
Y200L-6 |
ZQ50-1611-2 |
16.46 |
22.33 |
2.2x12m |
7-12 |
18.5 |
Y160L-6 |
JZQ650-111 |
31.5 |
37.6 |
2.2x14m |
7-12 |
18.5 |
Y160L-6 |
JZQ750-111 |
31.5 |
40 |
2.2x16m |
12 |
30 |
Y225M-6 |
JZQ750-11 |
31.5 |
45 |
2.4x14m |
12 |
30 |
Y250M-6 |
JZQ750-111 |
31.5 |
51 |
2.4x18m |
10-13 |
37 |
Y250M-6 |
ZL85-13-1 |
27.16 |
54 |
2.4x20m |
10-14 |
37 |
Y250M-6 |
ZL85-13-1 |
27.16 |
54.14 |
3x20m |
25 |
55 |
Y250M-4 |
ZL100-16-1 |
41.52 |
78 |
3x25m |
32-36 |
75 |
YR280M-4 |
ZL100-16-1 |
41.52 |
104.9 |
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