• Vibration And Mixed Flow DryingTechnology

Vibration And Mixed Flow DryingTechnology

In view of the characteristics of low rank bituminous coal, such as high volatile matter and low ignition point, Shenzhou Group first proposed the technical route of low temperature and large air volume drying, and independently developed the MFD mixed flow drying system. As we all know, there are many factors that affect the calorific value of coal, among which ash and moisture are the main factors. In addition to reject removal, the removal of one moisture can also increase about 70kal/kg. The successful development of the system broadens the application scope of dry separation in low rank coal with high moisture content, and can independently dry coal with high moisture content, with large water removal range and wide adjustment range. According to its unique structure and drying method, low production cost and strong production capacity, the drying system is widely used in raw coal, washed coal, slime, shale, chemical coal and other fields.

TECHNICAL FEATURES

● Physical change at low temperature, and the nature of materials will not change.

● According to the different particle size of materials, the retention time of materials in the drying process is different, so as to realize the synchronization of precipitation.

● Fully closed negative pressure low temperature operation, safe, stable and environmentally friendly production process.

● The system dedusting realizes the online secondary utilization of collected dust without solid reject generation.

● Intelligent control of production and operation process according to product requirements.

● The vertical modular layout structure is adopted, with small floor area and convenient installation.

● The modules of drying precipitation and material re separation can be combined at will, and the process is flexible.



Technical parameters


ItemSpecification
Capacity(t/h)50-1000
Feeding size(mm)50-0
Operating temperature(℃ )150-200

The concentration of dust in outlet air(mg/㎡)

<50


Scope of application


It is widely applicable to the drying of raw coal, washed coal, lignite, slime, chemical preparation coal and other mineral raw materials in the coal industry.

Application areaApplication effect

Combined drying and dry separation process

Dewatering and reject removal of raw coal with high reject content and large moisture content to increase calorific value and improve separation conditions

Separating for clean coal or low rank bituminous coal dryingRemove 5-10% moisture
Drying of oil shale and other mineralsDesigned according to user requirements
Deep drying of ligniteRemove 10-20% moisture


Technical process sheet


Coal Drying Technology

Annex

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