Marine desulfurization ndi denitrification system

Sitima yotulutsa mpweya wotulutsa mpweya (makamaka kuphatikiza ma denitration ndi desulfurization subsystems) ndiye zida zofunika kwambiri zoteteza zachilengedwe m'sitimayo zomwe zimayenera kukhazikitsidwa ndi msonkhano wa International Maritime Organisation (IMO) MARPOL.Imachititsa desulfurization ndi denitration mankhwala opanda vuto kwa mpweya utsi wa chombo dizilo kuteteza kuipitsidwa kwa mpweya chifukwa cha kutulutsa kosalamulirika kwa sitima utsi mpweya mpweya.

Poganizira kuchuluka kwa chidziwitso chachitetezo cha chilengedwe komanso kuchulukitsidwa kwa eni zombo, kufunikira kwa msika wamakina operekera mpweya wotuluka m'sitima ndikwambiri.Kenako, tikambirana nanu za zofunikira ndi mfundo zamakina:

1. Zofunikira zatsatanetsatane

Mu 2016, Gawo III linayamba kugwira ntchito.Malinga ndi muyezo uwu, zombo zonse zomangidwa pambuyo pa Januware 1, 2016, zokhala ndi injini yayikulu yotulutsa mphamvu ya 130 kW ndi kupitilira apo, zikuyenda ku North America ndi US Caribbean Emission Control Area (ECA), mtengo wa NOx uyenera kupitilira 3.4 g. /kww.Miyezo ya IMO Tier I ndi Tier II imagwira ntchito padziko lonse lapansi, Gawo lachitatu limangokhala madera owongolera utsi, ndipo madera akunyanja kunja kwa derali akugwiritsidwa ntchito motsatira mfundo za Gawo II.

Malinga ndi msonkhano wa IMO wa 2017, kuyambira pa Januware 1, 2020, malire a sulfure a 0.5% akhazikitsidwa mwalamulo.

2. Mfundo ya desulfurization system

Pofuna kukwaniritsa zomwe zikuchulukirachulukira zochulukirachulukira zopangira sulfure, oyendetsa sitima nthawi zambiri amagwiritsa ntchito mafuta a sulfure otsika, makina opangira mafuta otulutsa mpweya kapena mphamvu zoyera (mainjini amafuta apawiri a LNG, ndi zina zotero) ndi njira zina.Kusankhidwa kwa ndondomeko yeniyeni nthawi zambiri kumaganiziridwa ndi mwiniwake wa sitimayo pamodzi ndi kusanthula kwachuma kwa sitimayo yeniyeni.

Dongosolo la desulfurization limagwiritsa ntchito ukadaulo wonyowa wophatikizika, ndipo machitidwe osiyanasiyana a EGC (Exhaust Gas Cleaning System) amagwiritsidwa ntchito m'malo osiyanasiyana amadzi: mtundu wotseguka, mtundu wotsekedwa, mtundu wosakanikirana, njira yamadzi am'nyanja, njira ya magnesium, ndi njira ya sodium kuti akwaniritse mtengo wogwirira ntchito ndi mpweya. .kuphatikiza koyenera kofunikira.