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Powder Surface Coating Machine

Powder Surface Coating Machine

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Powder Surface Coating Machine
Brief introduction of Powder Surface Coating Machine:
The mineral powder surface modifying, widely used in the fields of non-metal stuffing or pigment like plastic, rubber, adhesive, macromolecule materials, high polymer composite, functional materials and dope industries, is an outcome of the development of new and high technology nowadays  It can not only improve the compatibility of both non-organic mineral stuff and organic high polymer, enhance binding force of interfaces, rise the mechanical strength and comprehensive ability, but also increase the stuffing ability of powder, save product cost and add special physical and chemical property to the product to some extent. For resolving the above-mentioned problem in production, this high efficiency equipment SLG powder surface modifying machine is recommended by our company as a result of hard research work.
Application of Powder Surface Coating Machine:
With special chamber design and the function of modification and depolymerization, the machine is applicable to modifying various materials.  It can reach excellent surface modifications for such materials as  heavy / light calcium carbonate,kaoline, talcum,wollastonite, mica, white carbon black, zinc oxide,alumina, silicon powder, graphite, magnesium-hydroxide bariumcarb,illite claystone and pyrophylite, hexagonite and etc.  
Structure and Special feature of Powder Surface Coating Machine
The machine is made of following parts:
a. Hopper: materials enter into hopper from silo or bags. Humidity of feeding materials should be less than 0.5% 
b. Conveying device: With double screws and adjustable speed to ensure the stability of material flow
c.Agent adding system with temperature control:
Automatic Temp. Control, free setting of melting temperature, suitable for various modifying agents in both solid and liquid form. 
d.Main machine: Consisting of 3 modifying rollers in triangle form, compact design, high efficiency and stable running. 
e.Cyclone dust collector: Diffusion type
f.Impulse type bag dust collector: New generation pleat filter, with the advantage of little space, large filtration area, high dust removal efficiency and easily cleaning. 
Working Principle of Powder Surface Coating Machine:
The powder surface treatment is completed mainly by means of three modifying rollers. The dry powder and dosed agent are put into modifying rollers simultaneously. With high speed rotation, the materials and agent is running in the form of fluidizing vortex. The modification is completed with the heat generated by high speed shearing, colliding and friction among the rotor, stator and the powder.
Main Specifications of Powder Surface Coating Machine:
Model Main Power(kw) Blower Power(kw) Speed of Shaft(r.p.m) Capacity(kg/h) Weight(t) Overall Dimension(L*W*H)mm
CLG-200D 11 2.2 5700 40-150 1 3200*600*2200
CLG-3/300 3-18.5 5.5 4500 500-1800 3 5800*1800*5600
CLG-3/600 3-37 15-22 2700 2000-4000 10 11200*3100*6200
CLG-3/900 3-75 45 2000 4000-7000 20 21000*3800*6500
Working Features of Powder Surface Coating Machine:
1, Continuous operation, large capacity, suitable for industrialization production in various scale.
2, High use and less consumption of modifying agent high covering and active index of power,
energy saving.
3, Both modifying and dispersion function, suitable for any fine materials, special active effect for
material with small proportion and big cubage weight like white carbon, mica powder and talcum
4, Powder and agent mixing and running in high speed and vortex, high modifying efficiency, with
little change of granulate shape.
5, Running at vacuum, air tight, no dust leakage, no pollution, good operation condition, low labor intensity.
6, Operating in heat and cold conditions, no additional heating or cooling system required, easy
7, Independent fluid and non-fluid agent adding system for continuous, stable and even operation.
Coating Agent:
1, Silane coupling agent:
The basic types are composite and coordination. The dosage is 0.1%-0.3% as stuff or pigment. 
2,Silane coupling agent: It is a low molecule organic silicon compound with special structure, used for surface treatment of non-organic mineral stuff or pigment. 
3,Organic chromium couple agent: The coupling effect is better in glass-fiber reinforced plastics.
4,Surfactant: a. Fatty acid and salt; b. Amine salt; c. Nonionic surfactant.
Evaluation Method of modified Powder Surface:
1.Active index
H=Weigh of floating part in sample / total weigh of sample 
2. Measuring contact angle
3. Surface energy (surface tension)
4. Surface covering rate (diffusing reflection Fuliye divert spectrum method)

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