Ubwino wa Ukadaulo wa Iron Oxide Desulfurization
Chiyambi cha Ukadaulo wa Iron Oxide Desulfurization
Ukadaulo wochotsa sulfurization wa mpweya wouma unagwiritsidwa ntchito koyambirira. Ukadaulo woyamba wochotsa sulfurization wa mpweya unali ukadaulo wochotsa sulfurization wa iron oxide pogwiritsa ntchito bog iron ore ngati desulfurizer. M'zaka zaposachedwapa, ubwino wa iron oxide desulfurizers wapita patsogolo kwambiri.
Njira yaikulu yochotsera chitsulo chosakanizidwa ndi iron oxide ndi catalysis, oxidation ndi adsorption. Pamene mpweya wodyetsa wokhala ndi H2S umadutsa mu iron oxide bed, exothermic reaction imachitika pansi pa kupanikizika kwabwinobwino ndipo imasungunuka ndi catalytically kukhala ma sulfure ions pamwamba pa iron oxide. Chogulitsacho chimachotsedwa ndi iron oxide kuti chikwaniritse cholinga cha desulfurization.
Pambuyo pogwira ntchito kwa nthawi yayitali, ngati malo otulukira nsanja yochotsera sulfur ali pafupi ndi mtengo wa kapangidwe kake, zikutanthauza kuti kulongedza nsanjayo kwadzaza ndipo kumataya mphamvu yake yochotsera sulfur, ndipo kumafunika kusinthidwa. Mukasintha, tsekani valavu yolowera mpweya ndikutsuka nsanja yochotsera sulfur ndi nayitrogeni mpaka mayeso a mpweya atatsimikizika, tsegulani doko loyeretsera ndi doko lotulutsira mpweya kuti musinthe kulongedza. Mukasintha, tsegulani dzenje lamadzi ndi dzenje lotulutsira madzi kuti musinthe kulongedza.
Njira yochotsera chitsulo cha iron oxide ndi kukonzanso kwake ndi iyi:
Njira yochotsera sulfur:
Fe 2 CHONSE 3 ·H 2 O+3H 2 S==Fe 2 S 3 ·H 2 O+3 H 2 O+5.2 kcal
Njira yokonzanso
2Fe 2 S 3 ·H 2 O +3 O 2 ==2Fe 2 CHONSE 3 ·H 2 O +6S+94.2 kcal
Ngati mpweya uli ndi O2 2 , pamene O 2 /H 2 S
Fe 2 CHONSE 3 ·H 2 CHONSE
2H 2 S+ O 2 =========2H 2 O+2S
Kukonzanso kwa iron oxide desulfurizer ndi njira yochokera ku exothermic. Ngati kukonzanso kuli kofulumira kwambiri ndipo kutentha kukutulutsidwa mwamphamvu, desulfurizer idzayaka mosavuta ndikuyaka. Kutentha kwa kukonzanso kuyenera kulamulidwa bwino.
Kukonza gasi lachilengedwe ndi njira yochotsera nthunzi ya madzi, hydrogen sulfide, mercaptan, ndi carbon dioxide kuchokera ku gasi lachilengedwe. Zipangizo zazikulu zikuphatikizapo chipinda chochepetsera madzi m'thupi, chipangizo chochotsera sulfure, chipangizo chochotsera mpweya m'thupindi kubwezeretsa kwa hydrocarbon pang'ono gawo.
Ubwino wa Ukadaulo wa Iron Oxide Desulfurization
(1) Nthawi yomanga ndi yochepa ndipo ndalama zomwe zimayikidwa kamodzi kokha ndi zochepa.
(2) Kulondola kwambiri kwa desulfurization.
(3) Malo ochepa osungiramo zinthu, zomwe zimathandiza kusunga malo.
(4) Ukadaulo wake ndi wachikulire, kudalirika kwa ntchito ndi kwakukulu, ntchitoyo ndi yosavuta, ndipo kulephera kwake ndi kochepa.
(5) Zipangizozi ndi zosavuta, ndalama zokonzera tsiku ndi tsiku ndizochepa, ndipo anthu ogwira ntchito amasungidwa.
(6) Chotsukira mpweya ndi chotetezeka kwambiri. Chotsukira mpweya chomwe chimagwiritsidwa ntchito m'dongosololi si poizoni komanso chovulaza chilengedwe ndi thupi la munthu, ndipo chili ndi ubwino wabwino pa chilengedwe.
(7) Kutha kukwaniritsa zofunikira za boma la m'deralo pa kutulutsa mpweya wa hydrogen sulfide.
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