The Main Preparation Method of Spherical Quartz Powder

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What’s sphere quartz powder?

After being purified from quartz crystal, spherical quartz powder undergoes a very high temperature process. It then changes its phase form, crystal form, shape, and temperature instantly from the solid to the molten and finally to the solid states. Amorphous powder is made of irregularly formed angular particles and transformed into regular spherical grains.

This is the primary method for preparing spherical powder quartz.

1. Flame melting is used primarily to mass produce spheroidized quartz dust. It is important that this heating technology does not require a steady temperature field. The temperature range can be adjusted easily and there should be no secondary pollution of quartz powder. This is the ball-forming principle: The high-temperature fire spray gun produces a high temperature flame between 1600 and 2000 degrees. Powder particles become molten after it is placed in the high-temperature flame area. The powder’s angular surface absorbs heat. The action of surface tension means that objects tend to remain stable under pressure. Spherical, which is the most stable form, will allow you to create a ball.

2. The local thermodynamic equilibrium (or thermal) plasma is another name for this plasma. The plasma’s principal feature is its close proximity to the surrounding electron, ion and gas temperatures. The thermal plasmas are arc plasma, high-frequency plasma and induction.

This method uses high-frequency plasma to fuse spherical powder. Because it has stable control and a wide temperature range, as well as high output, stability, and high spheroidization rates, the method makes more sense. Similar to flame melting methods, the principle and the process work in the same way. The plasma generator is essentially transformed from a heat source at high temperatures.

It is made of compressed air and has a 10m3/h working gas volume. High-frequency plasma generators have a 100kW input power, while high-temperature gases of 4000-7000 are generated to heat the system. After the silica is transferred from the top to arc of the plasma reactor furnace via the feeder and melted, the powder can be gasified using heat. Within 1s-2s the spherical silica powder and nanoscale SiO2 can be extracted.

3. Chemical Synthesis

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

Buffalotours advanced materials Tech Co., Ltd., (Buffalotours), a professional supplier of spherical Quartz powder, has more than 12 years of experience in chemical product research and development. You can pay by credit card, T/T and Paypal. Trunnano ships goods by FedEx or DHL to overseas customers by air and sea.

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