Tshuaj lom neeg cov khoom ntawm E6011 electrode
1. Cov qauv sib xyaw ua ke thiab tshuaj lom neeg ua haujlwm 2. Tus yam ntxwv ntawm cov khoom siv A AN5.1 Txuj Ci 3. Kev Tsim Nyog Rau Ib Leeg A5.1. Sib txuam thiab kev txwv ntawm Cov Tshuaj Txhuam Hniav
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Khoom Taw qhia
1. Cov cim kev sib xyaw thiab cov tshuaj lom neeg
| Ib feem | Lub ntsiab tshuaj muaj pes tsawg leeg | Cov ntsiab lus tsis raug | Tub Ntxhais Kev Lom Zem |
|---|---|---|---|
| Vuam Core | Tsawg -} cov hlau steel (Fe raws li matrix), mn, si, p (impurity), s (impurity) | C Tsawg dua lossis sib npaug rau 0.12%; MN 0.30-0.60%; SI tsawg dua los yog sib npaug rau 0.03%; P / s tsawg dua los yog sib npaug rau 0.04% | 1. Ua raws li cov matrix ntawm cov tub lim hlau kom ntseeg tau cov khoom siv yooj yim ntawm cov hlau muaj cov hlau; 2. Tsawg {-} Carbon tsim tiv thaiv vuam txias; 3. MN pab nyob rau deoxidation thiab txo cov porosity pheej hmoo |
| Cov Hluav Taws Xob | Cellulose (cov hmoov nplej, hmoov txhuv nplej siab), slag -, sioto), deoxidizers (MN / SI sib txuas), tshuaj fluorides (caf₂) | Cellulose 40 - 60%; Slag-sib sau cov neeg sawv cev 20-30%; Arc stabilizers 5-10%; Deagidizers 5-10%; Cov kab mob fluorides | 1. Cellulose decomposes ntawm qhov kub thiab txias los tsimCO thiab H₂(Cov roj tiv thaiv) uas cais tawm o₂ / n₂; 2. Slag {{- Txoj kev ua kom cov neeg muaj acidic slag kom npog lub pas dej acidic slag los npog lub molcen pas dej (ov} ecidation) thiab adsorb impurities; 3. Arc stabilizers txo arc ionization lub zog kom ntseeg tau ac / dc vuam ruaj; 4. Deoxidizers (MN / SI) hnov li FEO tshem tawm oxygen los ntawm Molten pas dej; 5. Cov tshuaj fluoride pab slag tsim thiab hydrogen tshem tawm |
2. TSEEM CEEB TSWJ TSHUAJ thiab Cov Cwj Pwm
| Qeb Ntawm Cov Khoom Siv Tshuaj | Tub Ntxhais Mechanism | Tshuaj rau lwm cov khoom siv / kev cuam tshuam |
|---|---|---|
| Muaj zog roj kev tiv thaiv muaj peev xwm | Cellulose ((c₆h₁₀o₅) ₙ) nyob rau hauv txheej txheej txheej txheej kub ntawm qhov kub kom tsim cov roj tiv thaiv tsuas yog tsim ntawm co thiab h₂ | Tiv thaiv molten pas hlau los ntawm oxidation los ntawm ouo porosity) thiab intrusioning los ntawm n₂ (ua kom tiv thaiv re₄g |
| Acidic Slag Cov Cwj Pwm | SLAG - Txoj kev ua kom cov neeg sawv cev yog cov neeg ua kom zoo nkauj ( | 1. Reacts nrog alkaline impurities (feo, mno) los tsim shrag, uas tau tso tawm ntawm cov pas dej molten; 2. Siab ua siab ntev kom muaj xeb me ntsis / Roj ntawm lub hauv paus hlau, txo ua ntej- kev kho mob; 3. Zoo slag fluag, haum rau txhua - txoj hauj lwm vuam |
| Deoxidation thiab kev tawm tsam kev tshem tawm muaj peev xwm | MN hauv VUAM Core + MN / Si PIX sib txuas hauv cov txheej txheej tshwm sim nrog O₂ hauv Cov Pas Dej Molten: MN + FEO → MNO + FE; Si {+ 2 feo → siio₂ {}} fe |
Txo cov ntsiab lus oxygen ntawm cov khoom tso nyiaj (tsawg dua los yog sib npaug rau 0.05%) thiab minimizes oxide suav nrog (feo, txhim kho lub purity ntawm cov khoom siv nyiaj txiag |
| Corrosion tsis kam ntawm cov khoom tso tseg | Tsawg - @} Tus hlau matrix (tsis muaj corrosion-} {Resistant alloy xws li CR lossis NI); tsuas yog nyias cov xim oxide nyias nyias (fe₃o₄ / fe₂o₃) cov ntaub ntawv nyob saum npoo | 1. Cov xwm txheej tsim tsim: Cov chaw huab cua qhuav, luv -} sim kev tiv thaiv; 2. Qhov txwv: tsis tuaj yeem tiv thaiv cov av noo, cov kua qaub {1} {alkali- ntsev {3} tsuag tsuag; nquag rau electrochemical corrosion |
| Kev Siv Tshuaj Cov yam ntxwv ntawm Vuam Fume | Kev sib txuas ntawm MN / SI / Fluorides hauv txheej + tsis tiav kev rhuav tshem cov cellulose tsim mnoos, sio₂, hf, thiab co | 1. Kev phom sij ntawm kev muaj mob: MNO₂ yuav ua rau kev lom mob manganese; Hf chim rau cov pa ua pa; CO YOG TOXIC; 2. Kev Tawm Tsam: yuam kev ua pa thiab plua plav {{}}} e-- toxic qhov ncauj qhov ntswg yog yuav tsum tau |
3. Tshuaj lom neeg sib xyaw ua ke cov khoom tso tawm hlau (muaj nuj nqis rau ib tus A ANS AWS A5.1
| Lub ntsiab | Cov ntsiab lus ntau | Cov Tub Ntxhais Muaj Peev Xwm |
|---|---|---|
| C (carbon) | Tsawg dua los yog sib npaug rau 0.15% | Kev tswj cov pa roj carbon cov ntsiab lus kom tsis txhob weld txias tawg thiab ua kom peb muaj weldability |
| Mn (manganese) | 0.40-0.80% | Pab rau deoxidation, txhim kho cov tawv ntawm cov hlau tso nyiaj, thiab txo qhov kev pheej hmoo pheej hmoo |
| Si (silicon) | 0.10-0.35% | Txhim kho cov nyhuv deoxidation thiab txhim kho slag fluacity |
| P (phosphorus) | Tsawg dua los yog sib npaug rau 0.04% | Kev txwv nruj me ntsis kom tiv thaiv weld kub britleness (grain Ciaj Ciaj sawv ntsug ntawm qhov kub) |
| S (Sulphur) | Tsawg dua los yog sib npaug rau 0.04% | Kev txwv nruj me ntsis kom tiv thaiv weld txias brittleness (grain condarly embrittlement ntawm tsawg kub) |
| O (oxygen) | Tsawg dua los yog sib npaug rau 0.05% | Cov ntsiab lus uas seem tom qab deoxidation, ua kom cov khoom siv ruaj khov ntawm cov hlau muaj cov hlau |
4. Kev sib raug zoo thiab kev txwv ntawm cov tshuaj lom neeg
| Qho loj dav | Cov xwm txheej tau tshaj (raws li cov tshuaj lom neeg) | Txwv (raws li cov tshuaj tua neeg) |
|---|---|---|
| Paus hom | Tsawg -} hlau steel (Q235, A3 Hlau): Cov Ntawv Sau Tseg Ntawm Cov Hlau Sib Tw Lub Hauv Paus Hlau, Nrog Tsis Muaj Kev Tsis Sib Tw | Tsis haum rau cov hlau stainless lossis qis {{- alloy steel: tseem ceeb sib txawv yuav ua rau embrittlement lossis tawg |
| Vuam ib puag ncig | Txhua - Txoj Haujlwm Vuam (Tiaj Tus Vuam (Tiaj / Kab Rov Tav / Nyiaj Siv Hluav Taws Xob | Cov xwm txheej yuav tsum muaj ultra -}}}}}}} recog tshem tawm kev tsim qauv), nquag mus qeeb tawg |
| Cov Hlau Hlau Mob | Me ntsis xeb / oiled puag hlau: acidic slag tuaj yeem neutralize ib co impurities, txo cov kev tu kom zoo | Cov roj av hnyav / xeb cov hlau: ntau dhau kev cuam tshuam tshaj li slag thev taus txwv tsis pub tshaj, ua rau porosity / suav nrog |
| Lwm Qhov Chaw Haujlwm | Cov qauv txheej txheem sab hauv tsev, tsis {{0} Gration-} Cov txiaj ntsig txhawb: atmospheric corrosion tsis kam ua raws li cov kev xav tau yooj yim | Tshuaj Kev Lag Luam (Acid - {{{{1} {overns {1} {iveSant ntsiab, yog li cov khoom siv tshuaj tiv thaiv kab mob, yog li cov khoom siv tshuaj tiv thaiv kom xeb |
Cim npe nrov: Tshuaj lom neeg muaj zog ntawm E6011 electrode, Tuam Tshoj, chaw tsim tshuaj paus, Hoobkas, lag luam, luv nqi, muaj nqi tsawg, zoo, khoom lag luam
Koj Tseem Yuav Zoo Li
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