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What is spherical Quartz Powder?

After being purified from quartz stone, sphere quartz powder is pulverized and ultrafinely pulverized. The powder then goes through a high temperature field so that its phase form, crystal form and shape instantly change, going from solid to molten and then to solid to solid. Amorphous powder is made from irregular angular particles and transformed into regular spherical grains.

The main preparation method for spherical powder quartz is

1. Flame melting is used primarily to mass produce spheroidized quartz dust. This technology has a key feature: the heating device must have a stable temperature field, a temperature range that can be adjusted easily, and there must be no secondary pollution to quartz powder. The ball-forming principle is that the high-temperature fire spray gun produces a high temperature flame between 1600 and 2000. The powder enters the high heat flame zone and its angular surface absorbs heat. This heat is then transferred to the powder’s interior, where it is completely molten. The action of surface tension means that objects tend to be stable. Spherical is the best state for forming a ball.

2. The local thermodynamic equilibrium (or thermal plasma) is another name for this plasma. The main characteristic of thermal plasma is the fact that the plasma’s electron temperature, ion temperature and gas temperature are all almost identical. The thermal plasmas are arc plasma, high frequency and induction plasma.

The high-frequency plasmafusion method is used for the preparation of spherical quartz. This method has a moderate range, stable control, high output, and can achieve a high rate of spheroidization, so it’s a better production method. The principle and procedure are similar to that of flame melting. This mainly transforms the high-temperature heat source into an plasma generator.

The working gas is compressed gas. The volume of the working gases is 10m3/h. The high-frequency generator generates heat by generating high-temperature gas at 4000-7000. The silica is carried from the top of the plasma reactor furnace to the arc region by the feeder. After melting and gasifying, the powder is then transported through the feeder. The powder is quenched using a special quencher, then collected by gravity and bag dust (nanoscale). In a matter of 1s-2s the spherical and nanoscale SiO2 can be obtained.

3. Chemical synthesis

To obtain silica sol, heat the silica emulsion with ammonia or ammonium bicarbonate. The gel is then treated with acid to produce hydrated spherical silica. This product has a low uranium level, which is a characteristic. However, it is also easy to agglomerate.

Tech Co., Ltd. is a professional spherical powder supplier. It has over 12 years’ experience in chemical products development and research. We accept credit cards, T/T and Paypal payments. We will ship goods overseas via FedEx, DHL and by air or sea to our customers.

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