1. Madung masat masa ni hte madang ni (GB/T 8263 n-gun n rawng ai hpraw ai n-gang)
Industrial liners ni a matu bung ai grade ni:
Cr15 → KmTBCr15Mo (15% n-gun ja ai n-gun ja ai n-gang)
Cr20 → KmTBCr20Mo (20% n-gun ja ai n-gun ja ai hpri)
Cr26 → KmTBCr26 (26% chromium law ai magri, n law ai (sh) n law ai)
Madang masat da ai tsi mawan (Mass Fraction)
表格
| Arung arai madang | Cr | C | Mo | Si | Mn | N san seng ai lam ni P/S | Cr/C shadawn shadang |
|---|---|---|---|---|---|---|---|
| Cr15 | 14.0~18.0% | 2.8~3.4% | 0.4~0.8% | 0.4~1.0% | 0.5~1.2% | 0.05% hta n law ai (sh) maren sha re | 4.5~6 |
| Cr20 | 18.0~22.0% | 2.7~3.3% | 0.5~1.0% | 0.4~1.0% | 0.5~1.2% | 0.05% hta n law ai (sh) maren sha re | 5~7 |
| Cr26 | 24.0~28.0% | 2.2~3.0% | 0.3~0.6% | 0.3~0.9% | 0.4~1.0% | 0.04% hta n law ai (sh) maren sha re | 6~8 |
Madung tara: Chromium law ai gaw M+C3 chromium carbide n-gun ja ai daw ni hpe grau law hkra shabyin ya ai. hte 8 lapran na Cr/C ratio gaw, carbide hpe maren mara hte matut manoi garan gachyan ya lu ai, n-gun n rawng ai hte ngang kang ai hpe rap ra hkra galaw ya lu ai.
2. Metallographic hkrang hte jak rung arung arai ni hpe shingdaw ai lam
Dai arai masum yawng gaw, n-gun ja ai martensite, M₇C3 ngang kang ai carbides hte kaji kajaw n-gun ja ai austenite ni lawm ai. Carbides ni a n-gun kaji gaw HV1800~2200 du hkra rai nna, core wear-hkum hkrang n-gun hpe ninghkap lu ai n-gup magap hku nna magam gun nga ai.
Standard katsi tsi lajang ngut ai hpang galaw ai lam masat masa ni
表格
| Magam bungli masat masa | Cr15 Liner | Cr20 shingkyit | Cr26 n-gup magap |
|---|---|---|---|
| Lung seng n-gun ja ai HRC | 58~61 | 59~62 | 60~65 |
| Hkrum hkra ai n-gun k (J/cm2) | hta grau kaba ai (sh) maren sha re. | hta grau kaba ai (sh) maren sha re. | 8.5 hta grau kaba ai (sh) maren sha re. |
| M7C3 Carbide n-gun daw daw | 22%~28% | 28%~35% | 35%~45% |
| Htingbu htingbyen ni a magam bungli prat (Benchmark) | 100% (Madung) | 140%~180% | 220%~300% |
| Erosion & Corrosion hpe ninghkap lu ai atsam | Lapran | Kaja sai | Ninghkring |
| Katsi dik htum katsi ai n-gun yawm ai bungli galaw ai Temp | 300℃hta n law ai (sh) maren sha re. | 350℃hta n law ai (sh) maren sha re. | 400℃hta n law ai (sh) maren sha re. |
Performance Logic hta shai hkat ai lam ni
Cr15: Chromium n law dik htum hte carbides n law dik htum lawm ai. Kachyi mi n-gun yawm ai raitim, raw material manu yawm dik ai. Hpa majaw nga yang, manu jahpu hpe ahkyak shatai nna, low-abrasion bungli galaw ai masa ni a matu kaja dik htum re.
Cr20: Chromium madang hpe rap ra ai hku galaw nna, n-gun n rawng ai, ngang kang ai hte manu jahpu lapran hta kaja dik ai hpaga yumga-off hpe galaw ai. Cement hte lung seng htu sha ai bungli ni hta grai lang ai madung liner arung arai.
Cr26: Chromium law ai gaw carbide a shadawn shadang hpe grai jat shangun nna, top-tier ngang kang ai, n-gun n rawng ai, n-gun ja ai-hkum hkrang n-gun hte acid-alkali n-gun hpe ninghkap lu ai. N kaja ai lam langai sha gaw raw material manu grau tsaw ai.
3. Standard Heat Tsi Ladat (Magam Bungli Prat A matu Ahkyak Ai)
Chromium law ai liners ni a matu, hkum tsup ai hku n-gun shayawm ai hte n-gun shayawm ai ladat ni hpe galaw ra ai. As-cast liners ni gaw HRC40~46 de sha du lu ai, n-gun rawng ai n-gun rawng ai n-gun rawng ai n-gun rawng ai arung arai ni hta na 60% hta n-pu na n-gun rawng ai.
Cr15 (KmTBCr15Mo) hpe shazim kau ai: 940~980℃hta hkying hkum 2~4 tup tawn da nna, ap nawng da ai wan sat ai hte katsi shangun ai; Tempering: Kata na myit ru myit tsang lam hpe shayawm ya lu na matu 220~280℃hta hkying hkum 3~6 tup n-gun n law ai-n-gun hpe shayawm kau ai; Hpang jahtum na ngang kang ai lam HRC 59 hta grau kaba ai (sh) maren sha re.
Cr20 (KmTBCr20Mo) hpe n-gun shayawm ai: 980~1030℃hta hkying hkum 2~5 tup hkam la ai; Hka lum ai: 230~290℃hta n-gun n law ai -ka lum ai ; Kaja dik htum ngang kang ai HRC60~62.
Cr26 (KmTBCr26) hpe n-gun shayawm kau ai: 1010~1060℃hta hkying hkum 3~6 tup tawn da nna, lahkawng ngu na carbide ni hpe tsep kawp shayawm kau lu na matu; Hka lum ai: 250~300℃hta hkying hkum 4~8 daram tawn da ai; HRC62 hta grau nna ngang grin ai. Tempering n-gun hpe n-gun ja ai-n-gun ja ai service scenarios ni a matu loi mi sharawt mai ai, n-gun n-gun hpe jat ya lu na matu.
Process Taboos: Natural nbung katsi ai hpe 400℃jan n-gun shayawm ai hte n-gun shayawm ai hpe grai pat hkum da ai, dai gaw n-gun ja ai hte n-gun shayawm ai hpe grai shayawm ya lu ai.
4. Liner Grade langai hpra a matu jai lang mai ai bungli masa, arung arai & arung arai ni
4.1 Cr15 Chromium Liner tsaw ai (Sut masa lam hta jai lang ai)
Hpa majaw nga yang, n-gun n law ai, diameter kaji ai ball mill ni, n-gun n rawng ai arung arai ni, aten kadun laman galaw shapraw ai arung arai ni: Ball mill kaji ni Φ 2.4m hta n law ai (sh) maren sha re ai, nhprang wan n-ga htu ai jak ni, n-gun n law ai nhprang wan jak ni, n-gun n law ai shameyle hte kaga nhprang arai, Co, medium-low hardness ores Akyu: Mari ai manu n law dik, n-gun n law dik, galai shai na matu jai gumhpraw n law dik N kaja ai lam: Hkrang n-gun grai ja ai -hpyen n-gun n-gun n-gun n law ai hte matut manoi full-load galaw ai aten kadun ai; Acidic slurry hte wet grinding galaw na matu n htap htuk ai Myit mada ai magam bungli prat: 3~5 ning, bung ai masa hta Cr20 liners ni a 60%~70% sha magam bungli prat hte bung ai
4.2 Cr20 Chromium Liner (Mungkan ting na Madung Hkrang, Gat lawk hta garan gachyan ai lam kaba dik htum)
Hpa majaw nga yang, n-gun n rawng ai, n-gun rawng ai n-gun n rawng ai, n-gun n rawng ai hte hka n-gun rawng ai lahkawng lang - yaw shada lam, madang dep ai cement/lung seng htu ai bungli masa, rap ra ai n-gun hte manu jahpu Arung arai ni: Φ2.4 ~ 3.6m cement n-gun n rawng ai malu masha htu ai jak ni, n-gun n rawng ai hka htung ni, magri n-gun n rawng ai hka htung ni, hkra machyi ai n-gun rawng ai n-gun rawng ai jak ni, Granite, magri nlung, quartz nlung, cement clinker, aggregate nlung nlung Akyu: Rap ra ai n-gun hte ngang kang ai, n-gun n-gun n-rawng ai, n-gun n-rawng ai hte htuk manu ai, manu jahpu kaja dik htum galaw lu ai N kaja ai lam ni: Ultra-n-gun ja ai nlung n-gun (basature) hte n-gun n-rawng} npu na Cr26 liners ni hta n-gun n-rawng ai. Myit mada ai magam bungli prat: 5~8 ning, Cr15 liners hta 1.5~1.8 lang grau galu ai
4.3 Cr26 Chromium Liner tsaw ai (Tsaw-Hpang jahtum n-gun ja ai n-gun ja ai n-gun ja ai n-gun ja ai n-gun ja ai)
Hpa majaw nga yang, n-gun ja ai hka htung ni, n-gun ja ai hka htung kaba ni, n-gun kaba ai hka htung ni hte matut manoi galaw shapraw ai lam ni: Hka htung kaba ni hpe galaw shapraw ai ball hka htung ni Φ 3.6m hta grau kaba ai (sh) maren sha re ai metallurgical, dingyang n-gun ja ai hka htung ni, chutes, n-gun ja ai-n-gun ja ai hka lim ai arung arai ni Raw Materials: Basalt, n-gun ja ai-silicon quartz, n-gun ja ai nhprang rai ni, n-gun ja ai-n-gun ja ai ex-clinker, sulfur-acidic slurry lawm ai Akyu: N-gun ja ai acid hpe ninghkap lu ai, grau kaja ai acid hpe ninghkap lu ai, thermal fatigue galaw lu ai atsam, lawan ai groove wear kaw na lawt lu ai N kaja ai lam ni: Upfront mari ai manu kaba ai; Grai kaba ai arung arai ni a majaw grai hkra machyi ai npu hta, n-gun ja ai -bunghku tsaw ai manganese n-gang hta grau n-gun kya ai Myit mada ai magam bungli prat: 7~10 ning, Cr15 hta 2~3 lang galu nna, bungli galaw ai makau grup yin langai sha hta Cr20 hta htam 1.4~1.7 galu ai
5. Liner hkrang hte Key hpe htu ai hpaji masa
Moulding Process: Wave liners, stepped lifting liners, flat liners hte end cover liners ni hpe hpawng de nna galaw na matu sum mat ai foam hpe hkrak hkrak htu ai (sh) resin sand hpe htu ai. Cr26 arung arai gaw shrinkage rate grau kaba ai majaw, mold ni gaw shrinkage n-gun grau law hkra ra ai.
60mm hta grau galu ai liner ni hpe molybdenum hte vanadium hte kayau nna, n-gun n-gun hpe grau kaja hkra galaw ai. Carbide garan pru ai hte n-gun n rawng ai hpe koi lu na matu, liner kaba ni hta kata na chills ni hpe bang da ai.
Installation Matching: - langai sha hpe galai na matu shawng -reserved galaw da ai bolt hka htung ni. Manganese steel liners law ai hte shingdaw yu yang, chromium law ai liners ni gaw maren mara n-gun n rawng ai madang ni hta 15%~25% n-gun n rawng ai, n-gun rawng ai hka htung a n-gun hte n-gun jai lang ai lam hpe shayawm ya lu ai.
6. Lawan ai hku lata la ai arung arai ni hpe jai lang na matu
表格
| Bungli galaw ai masa | Ra sharawng ai tsang | Kaga tsang | N hpaji jaw ai |
|---|---|---|---|
| Nhprang wan htu ai jak kaji, kalang lang limestone hpe htu ai | Cr15 | Cr20 | Cr26 (N ra ai manu kaba ai) |
| Standard cement htu ai jak, magri lungseng hte nhprang sut rai galaw shapraw ai ladat | Cr20 | Cr26 (Galu-hkum tsup ai-atsam shapraw lu ai) | Cr15 (Aten law law galai ra ai) |
| Lung seng galaw shapraw ai jak kaba, n-gun ja ai clinker, acid rawng ai hka hte htu ai, n-gun ja ai silicon nlung | Cr26 | N-gun ja ai Cr20 | Cr15 |
| Lung seng kaba & n-gun ja ai hkra machyi ai lam hte n-gun ja ai grinding bin | Manganese nlung n-gang tsaw ai | Bimetallic hpawng chyawm ai Chromium Liner | San seng ai Cr15/Cr20/Cr26 (Hkrun lam hta hkrat sum chye ai) |
| Kaja ai-katsi ai shara hta htu ai, shadawn sharam budget galaw shapraw ai ladat | Cr15 | Cr20 | - |
7. Magam bungli hte gram lajang ai lam ni hpe ka da ai
Impact Limitation: Grade masum yawng gaw, n-gun n law ai -n-gun n-gun n-rawng ai arung arai ni rai nga ai. 100mm jan ai malu masha n-gun kaba ai n-gun ja ai hka htung ni a matu, chromium kaba ai hka htung ni n hkrat sum hkra, manganese n-gang (sh) bimetallic n-gang n-gang ni hpe ahkyak shatai nna galaw ai.
Hkru kat ai grup yin: Cr26 gaw sulfur-lawm ai hte acidic n-gun rawng ai nhprang arai ni a matu ra kadawn ai; Cr15 gaw pitting corrosion hpe hkam sha nna, n-gun yawm mat ai hpe lawan shangun ai.
350℃jan ai aten galu bungli galaw ai nbung laru npu hta Cr26 sha ngang grin ai bungli galaw lu ai. Hkrunlam hkawm ai aten galu-n-gun ja ai-n-gun ja ai magam bungli gaw Cr15 hpe tempering hku nna shayawm ya nna, n-gun shayawm ai lam hpe lahkawng lang jat ya ai.
Hkamja lam hte gram lajang ai lam: Chromium liners law ai hpe welding galaw ai hte gang je kau ai hpe pat hkum da ai, hpa majaw nga yang, -katsi ai welding galaw ai shaloi, n-gun n rawng ai lam ni byin chye ai. Bolt ni hta n-gun n rawng hkra, liners lapran na gap ni hpe wear-hkap la lu ai castable hte jahpring da u.
8. Manu jahpu & Hkum tsup ai akyu ara ni hpe kadun dawk tsun dan ai
Cr15: Upfront investment yawm dik raitim, galai na matu ayan pat kau ai. Kaji ai-capacity hte n-gun n law ai jak rung ni a matu htuk manu ai.
Cr20: Kaja dik htum yawng hkra manu jahpu, 80% cement htu sha ai shara ni hte lapran tsang-htu shaw ai shara kaji ni a matu madang masat da ai hkrang masa.
Cr26: Langai-lang mari ai manu grau tsaw tim, galai shai ai aten lahkawng lang jat ai. Matut manoi galaw shapraw ai line kaba ni a matu, yawng hkra galaw ai hte gram lajang ai manu jahpu kaji dik htum rai nna, galaw shapraw ai aten jahkring kau ai a majaw byin wa ai sut masa sum ai lam ni hpe grai shayawm ya lu ai.
