METHOD OF PRODUCTION OF PYROGENIC SILICON DIOXIDE AND BURNER FOR ITS EMBODIMENT

METHOD OF PRODUCTION OF PYROGENIC SILICON DIOXIDE AND BURNER FOR ITS EMBODIMENT

FIELD: chemistry. ^ SUBSTANCE: silicon dioxide is produced by hydrolysis in flame of multi-channel tubular burner comprising 3 to 5 concentric tubes. Multi-layer flow structure is formed at the burner outlet, made up of alternating concentric jets comprising, at least, one gaseous or evaporating sil...

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Hauptverfasser: TRUBKIN VALERIJ EVGEN'EVICH, STOROZHENKO PAVEL ARKAD'EVICH, GEZALOV AKIF ABDULLOVICH, POLIVANOV ALEKSANDR NIKOLAEVICH, VAVILOV VLADIMIR VASIL'EVICH, KOCHURKOV ANDREJ ALEKSANDROVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Beschreibung
Zusammenfassung:FIELD: chemistry. ^ SUBSTANCE: silicon dioxide is produced by hydrolysis in flame of multi-channel tubular burner comprising 3 to 5 concentric tubes. Multi-layer flow structure is formed at the burner outlet, made up of alternating concentric jets comprising, at least, one gaseous or evaporating silicon compound, water-forming combustible gas and oxygen-containing gas. Oxygen-containing gas is fed via the central tube incorporating appliances to swirl the flow and/or to release it in form of circular jet. ^ EFFECT: higher quality of produced silicon dioxide, safety of flame process and burner scaling reliability. ^ 8 cl, 8 dwg, 2 ex