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HomeNewsAsiaThe Main Preparation Method of Spherical Quartz Powder | Mis-asia

The Main Preparation Method of Spherical Quartz Powder | Mis-asia

What’s sphere quartz powder?

Ultrafinely pulverizing natural quartz stone into spheres, quartz powder is then purified. The phase form, crystal form and structure of the quartz are changed instantly from solid to molten and back to solid to become crystallized. 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 flame that’s between 1600 and 2000 degrees Fahrenheit. 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. It’s principal feature is that plasma has a near identical local electron temperature, ion temp (Ti), and gas temperature. 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, 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. It is quenched using a special quencher. The powder is collected by gravity and bag dust. Within 1s-2s, you will be able to obtain both spherical and nanoscale SiO2 particles.


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.


Luoyang Tech Co., Ltd. has over 12 years of experience in developing chemical products and is an experienced supplier of spherical powder. You can pay by credit card, T/T and Paypal. We will send the items to overseas customers via FedEx or DHL.


Send us an enquiry if you’re looking for high quality, spherical powder quartz.

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