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1.Surface coating machine smallest coating agent to get highest coating rate;, 2.High efficiency, 3. Low production cost; - details see: https://www.machineto.com/nonmetallic-minerals-powder-surface-coating-production-line-stearic-acid-coating-machine-high-speed-mixing-machine-10338245

Process Features

♦ Surface coating smallest coating agent to get highest coating rate.

♦ Both continuous process and batch process are available.

♦ Coating agent includes stearic acid, coupling (Titanate coupling, Aluminate coupling, phosphate coupling, and silane coupling)

♦ Several different coating machines available.

♦ We can supply tailored solution according to different material characters and different product application.

♦ Coated material has four functions, dispersion, reduced viscosity, increased filling, and Interface mechanics function.

♦ The whole system has convenient operation, high automation, high efficiency and low production cost.

♦ Wide application and can achieve expected activation effect for various inorganic mineral materials.

Process Introduction

Continuous Process

1.Classic Process: ( used by world-famous mineral processing factory)

Process Flowsheet: Double Pin Mill + Dispersion Machine

2.Standard Process (Recommended by world-famous equipment company)

Process Flowsheet: Double Pin Mill Coating Process

Model/Output/ Fineness	250	400	630	800
D97:5um	300kg/h	700kg/h	1800kg/h	3000kg/h
D97:10um	500kg/h	1300kg/h	3300kg/h	5800kg/h
D97:15um	600kg/h	1600kg/h	4000kg/h	7200kg/h

Note: the data above is on the base of GCC coating.

3.Simple Process (Popular in China)

a. Three-roller Continuous Coating Process

Model	200	3/300	3/600	3/900
Output D97:10um	150kg/h	1.5T/h	3T/h	6T/h
Motor	11km	55.5kw	111kw	225kw

Note: the data above is on the base of GCC coating.

b. Process Flowsheet: Turbo Mill Coating Process

Model	Fineness	Output	Power
480	D97:10um	1.5T/h	45KW
750	D97:10um	3T/h	75KW

Note: the data above is on the base of GCC coating.

Batch Process

High-speed Mixer + Classifier (Or Mixer) Process

Process Features

♦ Surface coating process: raw material would be dosed into high-speed mixer or continuous coating machine, mixed and heated (moisture < 0.3%). Coating agent would be added in liquid or after atomization. The material and coating agent get mixed in high-speed mixing. Coated powder would be sent to classifier to remove big particles.

♦ The choice of coating agent and dosage depend on product character, fineness (or specific surface area) and product application. For example of kaolin, for 20-45micron powder, the dosage should be 0.3%-0.5%; for 5-20micron powder, the dosage should be 0.5%-0.8%; for 2-5micron powder, the dosage should be 0.8%-1.0%.

♦The temperature and time of coating is adjustable, and recipe can be applied in wide cases.

♦ In high-speed movement, material would be heated and coated with coating agent, which make material heated evenly and also improve coating rate. The dosage of coating agent reduced, and coating cost reduce.

♦ Classifier connected with coating machine can remove aggregate from coating effectively, and improve coated product quality and ensure performance of coated product.

♦ The inside of machine would be protected for wear resistance, which improve life time and also ensure purity.

Applications

Calcined kaolin, GCC, quartz powder, talc, wollastonite, PCC, white carbon black, alumina, magesite, magnesium hydroxide.