Ho matlafatsa "Pelo e Matla" ea Li-boilers tsa Lefatše: Hobaneng ha Bareki ba Tiileng Lefatšeng ka Bophara ba Khetha Likhareiti tsa rona tsa Boiler
Mekhahlelong ea liboiler tsa indasteri, tlhahiso ea matla a biomass, le Litšila-ho{1}}ho ea ho lifeme tsa Energy (WTE), mochini oa motlakase (Boiler Grate / Grate Stoker) o tsejoa e le "pelo" ea setsi sa motlakase kaofela. Jwaloka moetsi wa porofeshenale-ya metseng ka metso ho R&D le ho etsa disistimi tsa grate ka dilemo tse ngata, re tseba ka borona hore ho tima kapa ho lokisa ho sa reroang ha mochini oa grate (Grate System) ho ka bitsa polante mashome kapa makholo a likete tsa lidolara ka letsatsi.
Bareki ba mose ho maoatle-haholo-holo bareki ba Majeremane le ba Maeurope ba tsebahalang ka maemo a bona a thata-sheba Total Cost of Ownership (TCO) ha ba khetha li-grate bar (Grate Bars / Grate Tiles). Ho lelekisa theko e tlase ka bofofu hangata ho fetolela litšenyehelo tse holimo haholo bakeng sa likarolo tse ling tsa grate (Grate Spare Parts) le likotsi tse matla tsa ho theola nako hamorao.
Kajeno, joalo ka litsebi tsa tlhahiso, re rata ho arolelana kamoo re shebang lintlha tsohle tsa thepa, moralo le delibari hore re be balekane ba tšepahalang, ba nako e telele{0}} bakeng sa batsamaisi ba thepa ea lefats'e.
1. Hardcore Metallurgy: Boitlamo ba "Bolelele-Bophelo" bo Fetang Likereiti
Lipoleiti tsa Grate (Grate Plates) li sebetsa ka linako tsohle tlas'a maemo a feteletseng a mocheso, ho senyeha ho matla, le ho senya ho matla (joaloka corrosion e phahameng-ea chloride ea mocheso ho chesoang ke litšila). Ha ho mohla re fokotsang lisebelisoa. Ho e-na le hoo, re fana ka litiisetso tsa-mocheso oa maemo a holimo le a khale-motsoako o sa tsitsang (Heat & Wear Resistant Alloys) tse etselitsoeng libaka tse fapaneng tsa sebōpi le mefuta ea mafura:
Main Combustion Zone of Waste Incinerators: Re sebelisa litšepe tse phahameng-chromium cast iron grate (Ho Phahameng-Libara tsa Chromium Cast Iron Grate, tse kang Gx300CrMo27-1 / 1.4855) tse nang le chromium ($4855% e laoloang ka thata% le $2%) lipakeng tsa 2%. Thepa ena e etsa lera le letenya la $ Cr_2O_3$ e sireletsang holim'a metsi, e entsoeng ka ho khetheha ho loantša corrosion e manganga e phahameng ea mocheso oa chloride le ho atolosa haholo bophelo ba tšebeletso ea grate (Grate Service Life).
Biomass High-Temperature Zone: Ho thibela kutu ea tšepe ea alkali le ho feto-fetoha ho matla ha mocheso, re khothaletsa mocheso o sa sebetseng{1}}litempe tse sa sebetsaneng le tšepe e sa sebetseng (joalo ka G-X40CrNiSi25-20 / 1.4848). Ho hanyetsa ha eona ho matla ha mocheso ho tiisa hore grate e finyella "zero cracking" tlas'a ho qalisa khafetsa le ho fetoha ha mocheso ka tšohanyetso.
"Boleng bo sa Bonahaleng" boo re bo Fanang: Ho kopana le litlhaloso tsa sebopeho sa lik'hemik'hale ke motheo feela. Pele re tloha setsing sa rona, sehlopha se seng le se seng sa lihlahisoa se etsoa tlhahlobo ea metallographic (Metallographic Analysis) ho etsa bonnete ba hore li-carbides tsa eutectic li ntle ebile ha li na mefuta ea $ M_7C_3 $, ho felisa ka ho feletseng mekhoa e tsoelang pele ea marang-rang e bakang ho senyeha ha thepa le ho robeha. Ho feta moo, karolo e 'ngoe le e 'ngoe e na le khatello e matla-ea phekolo ea mocheso, e tšehetsoa ke mocheso o feletseng oa mocheso-lichate tsa nako, ho netefatsa hore ha ho kentsoe mocheso ka har'a sebōpi.
2. Boenjiniere ba Bohlale: Ho Phahamisa Boleng ba Kilogram e 'ngoe le e 'ngoe ea Mafura
Grate ha se pokello ea li-castings tse bonolo; ke mokhoa o rarahaneng haholo oa ho thunya oa grate (Mechanical Grate Firing System). Sehlopha sa rona sa boenjiniere se na le bokhoni bo matla ba ho etsa moralo ho netefatsa hore grate e lumellana hantle le litšobotsi tsa hau tse khethehileng tsa mafura:
Phepelo e nepahetseng ea moea ea Zoned (Zoned Air Supply / Primary Air Distribution): Ebang ke grate e khutlisetsang (Reciprocating Grate), grate ea ketane (Chain Grate / Traveling Grate), kapa grate ea ho lahla (Dumping Grate), meaho ea rona ea air plenuis e tšehetsa mekhahlelo e mengata, e ikemetseng, le moea. Sena se matlafatsa matla a mocheso a boiler mme se fokotsa tahlehelo ea khabone e sa chesoang (Tahlehelo ea Khabone e sa Chesoang).
Micron-Taolo ea Lekhalo la Katoloso ea Mocheso (Lekhalo la Katoloso ea Thermal): Ho ipapisitsoe le lilemo tse bokelletsoeng tsa data ea ketsiso ea ho falla ha mocheso, re rala sebaka se nepahetseng pakeng tsa litšepe tsa grate tse sisinyehang (Moving Grate Bars) le libar tsa grate tse tsitsitseng (Fixed Grate Bars). Sena se fokotsa ho hlohlora ha grate (Grate Siftings) le ho lutla ha molora ha ho ntse ho thibela ka ho phethahetseng ho jamming kapa ho chesa ho bakoang ke ho atolosoa ha mocheso.
Tšireletso e Bohlale e Felletseng: Sistimi ea rona ea grate drive (Grate Drive System, hydraulic kapa mechanical) e na le mochini o ts'ireletsang ka makhetlo a mabeli. Haeba karolo e kholo ea-ea kantle ho naha e sa chang e ka koaleha ka seboping, sisteme e arabela le ho lla hang-hang, ho sireletsa maballo a grate (Grate Beams) le sebopeho sa mochini hore se se ke sa senyeha.
3. Tšebeletso e Tšepahalang: "Zero-Risk" Global Delivery
Bakeng sa bareki ba mose ho maoatle, ho hloka botsitso ke litšenyehelo tse phahameng ka ho fetisisa. Ho tloha ho ho fana ka netefatso ho isa ho phepelo ea leoatle, re fana ka bonnete bo felletseng ts'ebetsong eohle:
Pasepoto ea Machabeng ea ho Latela: Mekhoa ea rona ea tlhahiso le tjheseletso e lumellana ka botlalo le litekanyetso tsa ASME le EN. Sehlahisoa se seng le se seng se tlisoa ka EN 10204 3.1 Setifikeiti (Material Mill Certificate), se u tiisetsang mathata-ho fana ka tumello ea mahala le mokhoa oa ho latela melao.
Ka-Time Delivery (OTD): Manane a tlhokomelo ea limela (Outage / Shutdown) a reriloe hantle ho fihlela letsatsi. Re utloisisa ka botebo hore nako ke chelete; ka hona, re fana ka tlhahiso e bonoang le ho lata thepa ho netefatsa hore thepa ea hau e fihla setšeng hantle ka nako.
Ocean-Sephuthelo sa Tšireletso ea Kereiti: Ho mamella libeke kapa likhoeli tsa leeto la leoatle, re sebelisa{1}}litšireletseho tse ngata ka mekotla ea Vapor Corrosion Inhibitor (VCI), e phahameng-oli e thibelang mafome, le mabokose a mapolanka a sa tsitsang{4}. Sena se etsa bonnete ba hore lihlahisoa li fihla sebakeng sa hau sa mose ho maoatle ka ho feletseng "li se na mafome- 'me li le boemong bo hloekileng joaloka letsatsi leo li tlohileng ka lona fekthering.
