Steam generator used in concentrated sulfuric acid low-temperature waste heat recovery process
The invention provides a steam generator used in a concentrated sulfuric acid low-temperature waste heat recovery process, and belongs to the technical field of concentrated sulfuric acid waste heat utilization equipment. The heat exchanger comprises a shell, wherein a heat exchange tube bundle is a...
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creator | DING YAWEN CHEN SHUTONG TIAN JING MO CHUNPING LYU YAQING LI WENHAO YUE WENBO LI ZHIMIN LI JIANPING |
description | The invention provides a steam generator used in a concentrated sulfuric acid low-temperature waste heat recovery process, and belongs to the technical field of concentrated sulfuric acid waste heat utilization equipment. The heat exchanger comprises a shell, wherein a heat exchange tube bundle is arranged in the shell; an anode protection device is arranged in the tube box; the isolation cavity is defined by an inner tube plate and an outer tube plate; the constant potential rectifier is used for applying current to the anodic protection device to form a stable passivation film on the surface of the equipment in contact with the sulfuric acid; the tube box, the isolation cavity and the shell are sequentially connected, the sulfuric acid concentration can fluctuate within the range larger than or equal to 98.5%, and the device is used under the working condition that the sulfuric acid temperature ranges from 150 DEG C to 230 DEG C. The anode protection device is arranged in the tube box, so that a stable pass |
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The heat exchanger comprises a shell, wherein a heat exchange tube bundle is arranged in the shell; an anode protection device is arranged in the tube box; the isolation cavity is defined by an inner tube plate and an outer tube plate; the constant potential rectifier is used for applying current to the anodic protection device to form a stable passivation film on the surface of the equipment in contact with the sulfuric acid; the tube box, the isolation cavity and the shell are sequentially connected, the sulfuric acid concentration can fluctuate within the range larger than or equal to 98.5%, and the device is used under the working condition that the sulfuric acid temperature ranges from 150 DEG C to 230 DEG C. The anode protection device is arranged in the tube box, so that a stable pass</description><language>chi ; eng</language><subject>BLASTING ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; COMPOUNDS THEREOF ; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; HEAT EXCHANGE IN GENERAL ; HEATING ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; INORGANIC CHEMISTRY ; LIGHTING ; MECHANICAL ENGINEERING ; METALLURGY ; METHODS OF STEAM GENERATION ; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 ; NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE ; NON-METALLIC ELEMENTS ; STEAM BOILERS ; STEAM GENERATION ; WEAPONS</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230407&DB=EPODOC&CC=CN&NR=115930195A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,782,887,25573,76557</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230407&DB=EPODOC&CC=CN&NR=115930195A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DING YAWEN</creatorcontrib><creatorcontrib>CHEN SHUTONG</creatorcontrib><creatorcontrib>TIAN JING</creatorcontrib><creatorcontrib>MO CHUNPING</creatorcontrib><creatorcontrib>LYU YAQING</creatorcontrib><creatorcontrib>LI WENHAO</creatorcontrib><creatorcontrib>YUE WENBO</creatorcontrib><creatorcontrib>LI ZHIMIN</creatorcontrib><creatorcontrib>LI JIANPING</creatorcontrib><title>Steam generator used in concentrated sulfuric acid low-temperature waste heat recovery process</title><description>The invention provides a steam generator used in a concentrated sulfuric acid low-temperature waste heat recovery process, and belongs to the technical field of concentrated sulfuric acid waste heat utilization equipment. The heat exchanger comprises a shell, wherein a heat exchange tube bundle is arranged in the shell; an anode protection device is arranged in the tube box; the isolation cavity is defined by an inner tube plate and an outer tube plate; the constant potential rectifier is used for applying current to the anodic protection device to form a stable passivation film on the surface of the equipment in contact with the sulfuric acid; the tube box, the isolation cavity and the shell are sequentially connected, the sulfuric acid concentration can fluctuate within the range larger than or equal to 98.5%, and the device is used under the working condition that the sulfuric acid temperature ranges from 150 DEG C to 230 DEG C. 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The heat exchanger comprises a shell, wherein a heat exchange tube bundle is arranged in the shell; an anode protection device is arranged in the tube box; the isolation cavity is defined by an inner tube plate and an outer tube plate; the constant potential rectifier is used for applying current to the anodic protection device to form a stable passivation film on the surface of the equipment in contact with the sulfuric acid; the tube box, the isolation cavity and the shell are sequentially connected, the sulfuric acid concentration can fluctuate within the range larger than or equal to 98.5%, and the device is used under the working condition that the sulfuric acid temperature ranges from 150 DEG C to 230 DEG C. The anode protection device is arranged in the tube box, so that a stable pass</abstract><oa>free_for_read</oa></addata></record> |
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language | chi ; eng |
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subjects | BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMPOUNDS THEREOF DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION DIFFUSION TREATMENT OF METALLIC MATERIAL HEAT EXCHANGE IN GENERAL HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INORGANIC CHEMISTRY LIGHTING MECHANICAL ENGINEERING METALLURGY METHODS OF STEAM GENERATION MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE NON-METALLIC ELEMENTS STEAM BOILERS STEAM GENERATION WEAPONS |
title | Steam generator used in concentrated sulfuric acid low-temperature waste heat recovery process |
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