Hauv qab no, peb yuav qhia ntau yam khoom siv hauv cov twj slurry, ib qho los ntawm ib qho.
Raws li cov khoom siv slurry twj tso kua mis, lawv tuaj yeem raug cais raws li hnav-resistant dawb cam khwb cia hlau, hnav-resistant thiab corrosion-resistant cam khwb cia hlau, thiab roj hmab.
1. Hnav-Resistant Dawb Cam khwb cia hlau
Ua ntej, peb qhia txog ob qho khoom siv slurry uas siv ntau tshaj plaws, A05 thiab A07, uas yog hnav-resistant dawb cam khwb cia hlau.
A05 Khoom (Qib KmTTBCr26)
Tshuaj muaj pes tsawg leeg:
C {{0}}.3–3.0%, S Tsawg dua lossis sib npaug rau 1.0%, Mn=0.5–1.{{ 11}}%, Cr {{10}}0–28.0%, Mo=0–1.0%, Ni { {17}}–1.5%, Cu {{20}}-2.0%, S Tsawg dua lossis sib npaug li 0.06%, P Tsawg dua lossis sib npaug li 0.10%
Mechanical zog:
A05 cov khoom muaj kev hnav zoo, nrog kev tiv thaiv kev yaig thib ob nkaus xwb rau A07. Nws kuj muab qee qhov kev tiv thaiv corrosion.
Feem ntau siv nyob rau hauv daim ntawv thov uas muaj cov abrasive hnav nyob rau hauv kev cuam tshuam loj loads, nws yog dav siv nyob rau hauv kev lag luam xws li ntxhia ua, thee ntxuav, fais fab nroj tsuag slag tshem tawm, thiab dej dredging.
Kev siv pH ntau: 5-12
A07 Khoom (Qib KmTTBCr15Mo)
Cov khoom no muaj cov ntsiab lus chromium txo thiab suav nrog ntxiv ntawm molybdenum.
Cov yam ntxwv tseem ceeb:
A07 muaj qhov cuam tshuam zoo tshaj plaws ntawm cov hlau nrum dawb.
Nws hnav thiab corrosion kuj tsis siab npaum li cov A04 thiab A05.
Feem ntau siv rau hnav daim ntaub ntawv nrog rau kev cuam tshuam ntau dua, nws feem ntau muaj kev pab cuam lub neej ntev dua A05.
Txawm li cas los xij, vim nws cov nqi qis dua, nws daim ntawv thov kev lag luam yog tsawg dua li A05.
2. Hnav-Resistant thiab Corrosion-Resistant Cast Iron
Tom ntej no, peb qhia ob hom hnav-resistant thiab corrosion-resistant cam khwb cia hlau: A49 thiab A33. Cov ntaub ntawv no muaj zog qis dua li cov hlau cam khwb cia dawb tab sis muaj cov kua qaub zoo dua.
A49 Khoom
A49 muab ob qho tib si yaig thiab corrosion kuj nyob rau hauv qis-pH ib puag ncig.
Nws cov kev ua haujlwm tiv thaiv hnav yog piv rau A03.
Haum rau corrosive ib puag ncig uas tsis muaj pH qhov tseem ceeb, tshwj xeeb tshaj yog nyob rau hauv flue gas desulfurization daim ntaub ntawv.
A33 Khoom
A33 nthuav tawm qee qhov kev tiv thaiv yaig.
Zoo ib yam li A03, nws muaj nruab nrab corrosion kuj.
Feem ntau siv rau kev xa cov oxidative slurries nrog pH ntau dua los yog sib npaug li 1, xws li phosphogypsum los ntawm phosphate fertilizer nroj tsuag thiab media xws li nitric acid, sulfuric acid, thiab phosphoric acid.
3. Roj hmab
Thaum kawg, peb qhia slurry twj tso kua mis ua los ntawm roj hmab.
Cov khoom siv overcurrent no feem ntau yog tsim los ntawm cov roj hmab ntuj.
Lawv yog qhov zoo tagnrho rau kev thauj cov slurries uas muaj cov khoom tsis muaj cov npoo ntse, feem ntau ntawm lub taub hau hauv qab 40 meters.
Tshwj xeeb tshaj yog tsim rau conveying hmoov zoo los yog nplua particle slurries.
