The heat-insulated mortar vitrification microsphere expansion furnace was successfully invented in Feb, 2003 by our president, a superior engineer, Kong Keqiang. In the same year it obtains the patent in practice and in creativity, and the first furnace was used to manufacture in industry in the world. 300 sets of them have been continuously used for five years more or less, which are specially used to manufacture closed pearlites, hollow pearlite vitrification microsphere. In order to insure the vitrification process with self-service management, our company uses six microprocessors to full-automatically control the the technology curve production process of closed pearlite vitrification microsphere expansion, such as the softening of the pearlite mineral sand, the instantaneous gasification of crystallized water, the size of hollow round-forming, case vitrification melt closed waterproof, glass case hardening, etc.. During the present five years, in China, 80% of pearlites vitrification microspheres that are used for wall heat-insulated mortar are produced by pearlite expansion furnaces manufactured by our company. At present, many countries in the world, such as America, Canada, Australia, Harland, Thailand, Russia, Korea, increasingly began to use our pearlite expansion furnaces to produce newly wall heat-insulated materials with the pearlite vitrification microsphere.

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Technical parameters:

1. Applications of the Pearlite Vitrification Microsphere

1. The pearlite vitrification microsphere is a kind of new heat- insulated material used internationally and widely. The forming process is, after the expanding of high temperature furnace, we use six microprocessors to full-automatically control the expanding technology process of lava mineral sand to make shell hardening in the surface of mineral sand, external wall closed, internal crystallized water gasification, make the mineral sand become a round hollow ball structure; at last, form the lava pearlite vitrification microsphere. The product has high strength, and very low coefficient of water absorption, only 50%-85% (the traditional is 360%-480%). The hole-closed rate is more than 95%, the nodulizing rate 90%, the grain size 0.1mm to 2mm, the bulk density 100 kg/m2 to 250 kg/m2, the heat conductivity 0.047w/m.k to 0.054w/m.k, the strength of tube pressure 38% to 46%, and the fire resistance 1280℃ to 1360℃. It is easy to disperse in the cementing materials, such as fire-resistance materials, cement, resin, water glass, gypsum, especially when it is used in the external and internal wall liquid system the heat- insulated mortar keeps the good fluidity.
2. The heat- insulated dry mortar with the pearlite vitrification microsphere is widely used in the external and internal wall heat insulation of house buildings.
3. In the fire-resistance materials, the product can be used to produce 0.6g/cm3 light economizer fire-resistance bricks and various superlight economizer fire-resistance materials. It can displace 50% of microspheres, and is a new generation substance of microspheres. It can not only improve the product quality, but also reduce the product cost. Because the pearlite vitrification microsphere is cheaper and better than microspheres, all the fire-resistance factories begin to use it largely. And in China, the productive output is the two tenth thousand of the requirement. So the market is broad.
4. In the building material trade, the product can be used as heat- insulated, sound-proof, adiabatic and external and internal wall heat- insulated mortars, and various light decorative laminates, ceiling laminates, GRC wall laminates, hollow rifflers, composite wall materials. Now in America the product has been used in high building partitions and middle doors. It displaces the traditional partition to keep warmth and resist fire.
5. In the drink, beer and medicine trade, the product is used as filter ceramic and filter aid.
6. In the chemical industry and furnace manufacture, the product can be used to keep
heat pipe warmth, manufacture furnace adiabatic products and insulated products.
7. In the military industry, the product can displace the expensive glass microsphere in the manufacturing of the emulsion explosion.
8. In the fire-fighting, the product can be used to make fire-escape materials.
9. The perlite vitrification microsphere is widely used aboard. In China all the lava pearlite products are most original, in the state of low-level unclosed, half-vitrification, and water-drop opening, but vitrification microsphere expansion products. After the several years reaearching, we absorbed the world advanced techniques, and successfully made the first pearlite expansion furnace, all of whose technology abilities achieved the most advanced level. In order to insure all the products are qualified in the process of full-automatic sintering, we company use the microprocessor program technology curve to highly and automatically control the temperature, fast tracking the blanking problems, automatically output different capacities and radiation waves, and finish different sintered expansion case hollow ball-forming process curves of mineral sand in the process of free-fall motion in the furnace. During the five years, the product has no troubles, but has large production and high efficient.

2. The instructions of the Hollow Ball Pearlite Heat-insulated Mortar

    The dry powder heat-insulated mortar manufactured with pearlite vitrification microsphere materials has the good ability of heat insulation and fire resistance and age resistance, no hollowing and no cracking, and high strength. You can directly use it after mixing with water, and build in the dry wall. It repairs many disadvantages of polyphenyl particles and general expansion pearlite light aggregate heat-insulated mortar, and overcomes the problems of expansion pearlite aggregates about the large suction ability, easy atomizing, large volume loss rate,being easy to lead the low strength and hollowing and cracking at the product last time, and the reduction of the heat-insulated ability. Meanwhile it makes up such deficiencies as the flammability of polyphenyl particles organic materials, poor fire-resistance performance, producing harmful gas, low resistance to climate; big backing ability in the construction, which improve the comprehensive and construction performance of dry powder heat-insulated mortar.
1. Characteristics
1.1 The hollow ball pearlite vitrification microsphere uses dry powder materials, and has reliable quality, light volume weight and the good ability of heat insulating.
1.2 High strength, no hollowing and no cracking, strong adhesion force, short construction cycle, and good construction ability
1.3 Have the good ability of fire resistance, sound absorption, permeation, waterproof, freeze resistance of the glass layer and the elastic layer.
1.4 The pearlite vitrification microsphere is the inorganic material. Protective environmental, harmless, and high cost performance,good comprehensive ability and aging resistance.
2. Application vitrification microsphere range
    The pearlite vitrification microsphere applies to various external and internal wall heat insulation and partition, staircase, channel, part heat-insulation like cellar and ground heating.
3. Performance standards: