1. Norme yu yomb ak grade (GB/T 8263 fonte bu weex buy xeex abrasion)
Grade yiñ gëna xam ngir liner usine yi:
Cr15 → KmTBCr15Mo (15% krom molibdèn fonte krom bu bari)
Cr20 → KmTBCr20Mo (20% krom molibdèn fonte krom bu bari)
Cr26 → KmTBCr26 (26% fonte bu bari krom, molibdèn bu néew wala amul)
Composition chimique buñ miin (fraksioŋu mass)
表格
| Njàngalem macceer | Cr | C | Mo | Si | Mn | mbalit P/S | Rasio Cr/C |
|---|---|---|---|---|---|---|---|
| Cr15 | 14.0~18.0% | 2.8~3.4% | 0.4~0.8% | 0.4~1.0% | 0.5~1.2% | Lu néew wala lu tollu ci 0.05% | 4.5~6 |
| Cr20 | 18.0~22.0% | 2.7~3.3% | 0.5~1.0% | 0.4~1.0% | 0.5~1.2% | Lu néew wala lu tollu ci 0.05% | 5~7 |
| Cr26 | 24.0~28.0% | 2.2~3.0% | 0.3~0.6% | 0.3~0.9% | 0.4~1.0% | Lu néew wala lu tollu ci 0.04% | 6~8 |
Njàngale mu am solo mi: Chromium bu gëna bari dafay defar fase yu dëgër yu bari M+C3 carbure chromium. Rasio Cr/C diggante 4 ak 8 dafay tax carbure bi di séddale bu baax te wéy, di ekilibre mbañeelu wear ak dëgër.
2. Tegtale ci jumtukaayi metallografik ak màndarga mekanik
Ñatti mbir yooyu yépp ay martensite yuñ tempered, carbure yu dëgër M₇C3 ak austenite bu ndaw buñ tëye. Microhardness u carbure yegg na HV1800~2200, muy nekk yax buy xeex wear.
Parametru performance ginaaw pajum tàngoor buñ miin
表格
| Indexu liggéey | Liner Cr15 | Fourure Cr20 | Cr26 fourure |
|---|---|---|---|
| Rockwell dëgëraay HRC | 58~61 | 59~62 | 60~65 |
| k (J/cm2) | Lu ëpp wala lu tollu ci 7 | Lu ëpp wala lu tollu ci 8 | Lu ëpp wala lu tollu ci 8.5 |
| M7C3 fraksioŋ volume karbid | 22%~28% | 28%~35% | 35%~45% |
| Dundug liggéey bu jëm ci wear (benchmark) | 100% (Royuwaay) | 140%~180% | 220%~300% |
| Erosion ak baña yàqu | Tane | Baax | Xereñ |
| Temperature de fonctionnement de la fatigue thermique | Lu néew wala lu tollu ci 300 degre | Lu néew wala lu tollu ci 350 degre | Lu néew wala lu tollu ci 400 degre |
wuute ci logique performance
Cr15: Chromium bi gëna néew ak carbure bi gëna néew. Dëgër bu woyof tuuti waaye njëgu macceer bi gëna woyof. Dafa baax ci anam yu bari abrasion te njëg bi gëna am solo.
Cr20: Niveau chromium bu ekilibre ak njaay bu baax ci diggante mbañeelu wear, dëgër ak njëg. Materialu liner bi gëna bari luñu koy jëfandikoo ci siman ak ci mine yi.
Cr26: Chromium bu bari dafay yokk bu baax limu carbure bi, muy joxe dëgëraay bu gëna kawe, baña yàqu, baña yàqu tàngoor wu metti, baña yàqu ci asid alkali. Benn Gallankoor bi mooy njëgu macceer bu bees bi dafa gëna yokk.
3. Xeetu pajum tàngoor buñ miin (dafay am solo ci dundu liggéey bi)
Xeetu paj ak tempéraasioŋ bu mat sëkk mooy fàww ci revêtement yu bari chromium. Liner yi ñuy fonte dañuy yegg ci HRC40~46, seen mbañeel wear bu néew 60% ci produit yiñ toppatoo ci tàngoor.
Cr15 (KmTBCr15Mo) Fatt: tëye ci 940 ~ 980 degre ci diiru 2 ~ 4 waxtu, seddal ko ak faatkat buñ jagleel; Tempering: Tàngoor wu woyof ci 220 ~ 280 degre ci diiru 3 ~ 6 waxtu ngir wàcce stress bi ci biir; Dëgër bu mujj HRC Lu ëpp wala lu tollu ci 59.
Cr20 (KmTBCr20Mo) Fatt: tëye ci 980 ba 1030 degre ci diiru 2 ba 5 waxtu; Tàngoor: Tàngoor wu woyof ci 230~290 degre; Dëgër bu gëna baax HRC60 ~ 62.
Cr26 (KmTBCr26) Dindi: tëye ci 1010 ~ 1060 degre ci diiru 3 ~ 6 waxtu ngir dindi ñaareelu carbure yi; Tempering: tëye ci 250 ~ 300 degre ci diiru 4 ~ 8 waxtu; Dëgër bu dëgër ci kaw HRC62. Mën nañu yokk tuuti tàngoor wi ci senaario serwiis bu tàngoor wi yéeg ngir gëna dëgëral tàngoor wi.
Taboo yi ci liggéey bi: Seddal air natureel ak tempering bu ëpp 400 degre dañu ko tere bu baax, loolu dafay wàññi bu baax dëgëraay bi ak mbañeelu abrasion.
4. anam yi ñuy liggéeyee, jumtukaay ak jumtukaay ngir bépp liner grade
4.1 Cr15 Liner Chromium bu kawe (Grade bu yomb)
Scenarios yiñ mëna jëfandikoo: Abrasion bu woyof, moulin à boule yu am diametre bu ndaw, macceer yu woyof, liggéey buy tàmbali di dem Equipement: Moulin à boule yu ndaw Φ Lu néew wala tollu ci 2.4m, moulin à charbon, concasseurs de sable fine yu ndaw, chutes argile ak erosion yu néew, charbon, Matériels premiers: mineraal yu am dëgëraay bu yam Njariñ yi: Njëg li gëna néew, woyof, njëgu wuutu bu néew Njariñ yi: Dundug liggéey bu gàtt ci suufu mineraal bu dëgër - ak liggéey bu mat sëkk; Du méngoo ak yëy bu tooy ak slurry asid Dundug liggéey bi ñuy seentu: 3 ~ 5 at, méngoo ak 60% ~ 70% dundu liggéey bu Cr20 liners ci anam yu nuróo
4.2 Cr20 Liner Chromium bu kawe (Grade bu gëna mag ci àdduna bi, paccum marse bi gëna kawe)
Senaario yiñ mëna jëfandikoo: Abrasion bu yam, waw & tooy ñaari yoon - jubluwaay, siman / mine standard anam liggéey, dëgër wear & njëg Equipement: Φ2.4 ~ 3.6m siman bu ñor moulin, moulin slag, mineraal mineraal weñ, concasseur medium inner liners, Granite, mineraal fer, sable quartz, clinker ciment, sable agrégat Njariñ yi: Resistance à wear équilibrée et duresse, résistance à l'impact médium, compatible à la grinding sec & humide, première coût d'indéfauts: Inférieur à Cr26 liners ci suufu ultra{5}} mineraal yu dëgër (basalt} Dundug liggéey bi ñuy seentu: 5 ~ 8 at, 1.5 ~ 1.8 yoon lu gëna gudd ci Cr15 liners
4.3 Cr26 Liner Chromium bu kawe (Grade buy xeex wear bu kawe ngir abrasion bu diis)
Senaario yiñ mëna jëfandikoo: Wear abrasive bu metti, tàngoor wu metti, slurry asid, moulin yu yaatu, liggéey bu wéy ak macceer yu dëgër yu dëgër Equipement: Moulin à boule de traitement minéraux yu mag Φ Lu ëpp wala lu tollu ci 3.6m, moulin yu am tàngoor yu taxaw, liners yu am tàngoor wu taxaw, chutes, jumtukaayi yëy yu tooy yu am corrosion bu kawe Materiaal premier: Basalt, quartz silicium bu kawe, mineraal de métal dur, clinker bu am tàngoor bu kawe, soufre coono thermique performance, amul groove wear bu gaaw Njariñu: njëgu jënd bu yéeg; Dafa gëna ndaw ci dëll - miir manganese bu kawe ci suufu impact yu diis yu bawoo ci macceer yu bari Dundug Serwiis bi ñuy seentu: 7 ~ 10 at, 2 ~ 3 yoon gëna gudd Cr15 ak 1.4 ~ 1.7 yoon gëna gudd Cr20 ci suufu benn environmaa bi ñuy liggéey
5. Liner Structure & Xaralay Casting Key
Moulage Processus: Réer mousse njubte jëmmal wala resin suuf jëmmal ngir forme intégré liners vague, liners yéeg grade, liners plat ak liners couvercle final. Matériel Cr26 moo gëna rëy ci shrinkage, moo tax moules yi dañu soxla shrinkage bu gëna mag.
Design buy tere xar-xar: Liner yu gëna dëll 60mm dañu leen boole ak molybdenum ak vanadium ngir setal pepp mi. chills bi ci biir ñu ngi koy samp ci kaw fourure yu yaatu ngir moytu carbure bi tàqaloo ak brittleness.
Instalaasioŋ bi méngoo: -pax yuñ denc ngir wecci benn-piyees. Buñu ko méngale ak fourure asiye manganese bu kawe, fourure chromium bu kawe mën na gëna sew 15% ~ 25% ci suufu standard yuy baña yàqu, wàññi sargu moulin bi ak konsommasioŋ kuuraŋ.
6. Tablo royuwaay ci tànneef jumtukaay yu gaaw
表格
| anam yi ñuy liggéeyee | Grade biñ taamu | beneen grade | Duñu ko digal |
|---|---|---|---|
| Moulin de charbon bu ndaw, moulin de calcaire intermittent | Cr15 | Cr20 | Cr26 (Njëg yu rëy yu amul njariñ) |
| Moulin de ciment buñ miin, mineraal de fer & ligne de production de agrégat | Cr20 | Cr26 (Defar bu yàgg- | Cr15 (Dañu koy faral di wecci) |
| Moulin bu mag buy liggéey ci ay mineraal, clinker bu am tàngoor, moulin bu tooy bu asid, xeer wu dëgër wu silisium | Cr26 | Cr20 bu dëll | Cr15 |
| Bin yëy bu dëgër ak mineraal bu rëy & impact bu diis | Fourure en acier manganese bu kawe | Liner bu am krom bu bari | Cr15/Cr20/Cr26 bu sell (mën xar ci koñ yi) |
| -temperatiir bu jaar yoon, ligne de production bu am xaalis bu néew | Cr15 | Cr20 | - |
7. Liggéeyukaay ak Toppatoo
Limitation impact: Ñatti grade yi yépp ay macceer yu yam - yu woyof lañu. Ngir pañu yëy yu dëgër yi am yaatuwaayu feed bu ëpp 100mm, fourure asiye manganese bu kawe wala fourure composite bimetallic lañuy njëkka jëfandikoo ngir moytu fourure chromium yu bari yi xar.
Environmaa biy yàq: Cr26 mënul ñàkk ci slurry bu am sulfur ak bu asid; Cr15 dafay am corrosion buy gaaw abrasion.
Limitation tamperatiir: Cr26 kese mooy tëye liggéey bu dëgër ci tàngoor liggéey bu yàgg bu weesu 350 degre. Serwiisu tàngoor wu yàgg - dafay nooy Cr15 jaaraleko ci température, di yokk ñaari yoon limuy ñàkk.
Instalaasioŋ ak Toppatoo: Dañu tere soudure ak dagg fourure chromium bu bari, ndax soudure bu tàngoor wu bari dafay jur ay xar-xar. Feesal bërëb yi am ci digganté revêtement yi ak fondement budul wear ci diiru installation bi ngir moytu macceer bi yàqu ci boulong yi.
8. Njëgg & Njariñ bu mat sëkk
Cr15: Dugal xaalis bi gëna ndaw waaye dafay faral di tëj ngir wuutu. Dafay baax ci usine yu ndaw yu am kàttan te duñu gaawa ñàkk lu bari.
Cr20: Njëg bu mat sëkk bi gëna baax, tabb buñ miin ngir 80% usine siman ak mine yu ndaw yu digg.
Cr26: Njëg li ñuy jënd benn yoon - lu gëna rëy waaye ñaari yoon ñuy wecci. Njëg li gëna néew ci liggéey bi ak ci toppatoo bi ci ligne yu mag yiy wéy di liggéey, loolu dafay wàññi bu baax perte koom-koom yiy bawoo ci taxawaayu liggéey bi.
