Calcium carbonate is one kind of widely used basic material. Daswell has much experience and projects, with full solution from crushing, to medium size grinding to ultra fine grinding, for different application such as filling compound, paint, ink, paper and so on.
In the last years, Daswell has finished the top class big scale calcium carbonate in China and other countries such as Egypt.
Vertical mill is very suitable choice for the product size bigger than 10 micron, including the 10 micron.
The power consumption will be less 30% than ball mill for the 10 micron and coarse, and also it is with a big capacity.
| Model | Capacity | Fineness | System Power (kW) |
|---|---|---|---|
| (t/h) | (µm) | mill+ blower+ classifier +assisting | |
| UTV1100 | 4.0-12.0 | 8-47 | 560-600 |
| UTV1300 | 6.0-16.0 | 10-47 | 700-750 |
| UTV1500 | 8.0-20.0 | 10-47 | 830-870 |
| UTV1700 | 12.0-25.0 | 13-47 | 980-1100 |
| Item | Ultra-fine calcium carbonate | ||||||
|---|---|---|---|---|---|---|---|
| Fineness | µm | 40 | 30 | 25 | 20 | 16 | 10 |
| Productivity/hour | Ton | 11.5 | 10 | 8.5 | 7.5 | 6.5 | 4 |
| Specific Surface | cm2/g | 8000 ± 1000 | 10000 ± 1000 | 11500 ± 1000 | 13500 ± 1000 | 15500 ± 1000 | 17000 ± 1000 |
| 2 um Percentage | % | 22-24 | 26-28 | 31-33 | 36-38 | 43-45 | 48-51 |
Note：The raw material is calcite or marble, mohs’ hardness≤3 and feeding size≤30mm
On November 30th, 2017, Daswell Machinery sent one set of DP-2 single mouth packing machine, one set of control cabinet and some Raymond mill’s spare parts to Egypt.
At 2017-01-02, Daswell sent 1 container of ball mill parts such as discharging nets to North Africa to be used to replace the parts in the ball mills, for calcium carbonate and silica grinding.
At 2016-06-20, Daswell sent 1 set of packing machine for mortar and belt conveyor to South America, to be used in the dry mortar plant.
At 2016-04-25, Daswell sent 2 sets of magnetic separators, rollers, rings which are for roller mill parts to Saudi Arabic.
At 2015-07-16, Daswell sent 1 set of Jaw crusher, and 2 sets of packing machines to Egypt, to be used to crush raw material of calcium carbonate, and pack it.
At 2015-03-24, we sent 1 set of ball mill grinding plant and coating plant to Egypt, to grind the calcium carbonate to 8 micron, 10 micron and 15 micron, and coat it.
On September 9, 2014, DASWELL sent one set of 80-120t/h rotary cement packing plant to our Africa customer. This customer runs a cement importing and exporting company, thus he needs this bigger cement packer to pack cement more quickly and more efficiently.
At 2014-06-15, we sent 7 cement packing machines and 3 forklifts with diesel engine for 3 ton load with 4.5m height, to Libya to be used to pack cement into small bags and for selling to use in construction.
On December 29th, 2013, one set of dry mortar mixer and one set of dry mortar packing machine were sent to South America. The two machines were used in dry mortar production line.
At 2013-01-29, Daswell delivery 1 set of Pneumatic transport system to Egypt, to transport the limestone powder in the workshop of our customer.
At 2012-12-23, Daswell delivery 2 sets of vibrating screen with 5 layers and 2 layers to our customer in North Africa, to get the size of calcium carbonate they wanted in different size range.
At 2012-12-20, Daswell loaded 1 set of 21 roller micro powder mill to container to Egypt.
At 2012-12-12,Daswell sent crushers, and plastic mixer coating machine to North Africa for calcium carbonate crush, and coating.
At 2012-08-10, Daswell sent 1 complete set of high speed mixer coating machine to Libya customer to do coating process for calcium carbonate powder.
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