SULFUR DIOXIDE OXIDATION UNIT

FIELD: sulfur dioxide oxidation units; production of sulfuric acid from sulfur. SUBSTANCE: proposed sulfur dioxide oxidation unit includes air blower, sulfur burning surface, waste-heat boiler with evaporating members, contact apparatus with five layers of catalyst, second-stage steam superheater, t...

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Bibliographische Detailangaben
Hauptverfasser:	SHULJAT'EV N.V, CHERNENKO JU.D, PRONIN V.V, IGIN V.V, LEVICHEV N.A, FILATOV JU.V, SUSHCHEV V.S, MURAV'EV V.A
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMPOUNDS THEREOF GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	FIELD: sulfur dioxide oxidation units; production of sulfuric acid from sulfur. SUBSTANCE: proposed sulfur dioxide oxidation unit includes air blower, sulfur burning surface, waste-heat boiler with evaporating members, contact apparatus with five layers of catalyst, second-stage steam superheater, two gas heat exchangers for cooling the gases after second and fourth layers of catalyst, two gas heat exchangers for cooling the gases after third layer of catalyst, economizer for cooling the gases after third layer of catalyst, first-stage steam superheater and economizer with one water flow for cooling the gases after fifth layer of catalyst and drum-separator; gas inlet of economizer used for cooling the gases after third layer of catalyst is connected with gas inlet of first gas heat exchanger after third layer of catalyst and its gas outlet is connected with inlet to second gas heat exchanger after third layer of catalyst; its water flow inlet is connected with outlet of economizer mounted in one housing with first-stage steam superheater and outlet is connected with drum-separator. EFFECT: simplified thermal scheme of unit; enhanced operational reliability. 1 dwg