1. Ma'auni & Maki (GB/T 8263 Abrasion Resistant White Cast Iron)
Makin da ya dace na gama gari don masu layin masana'antu:
Cr15 → kmTBCr15Mo (15% chromium molybdenum babban chromium simintin ƙarfe)
Cr20 → kmTBCr20Mo (20% chromium molybdenum babban chromium simintin ƙarfe)
Cr26 → kmTBCr26 (26% babban simintin simintin ƙarfe na chromium, ƙaramin ko sifili molybdenum)
Daidaitaccen Haɗin Sinadari (Mass Fraction)
表格
| Matsayin Material | Cr | C | Mo | Si | Mn | Abubuwan da suka dace P/S | Rabon Cr/C |
|---|---|---|---|---|---|---|---|
| Cr15 | 14.0~18.0% | 2.8~3.4% | 0.4~0.8% | 0.4~1.0% | 0.5~1.2% | Kasa da ko daidai da 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% | Kasa da ko daidai da 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% | Kasa da ko daidai 0.04% | 6~8 |
Mahimmin ƙa'ida: Mafi girman abun ciki na chromium yana haifar da ƙarin matakan M₇C₃ chromium carbide mai wuya. Matsakaicin Cr/C tsakanin 4 da 8 yana tabbatar da daidaituwa da ci gaba da rarraba carbide, daidaita juriya da tauri.
2. Tsarin Metallographic & Kwatancen Kayayyakin Injini
Duk kayan guda uku sun ƙunshi martensite mai zafi, M₇C₃ hard carbides da ƙaramin austenite da aka riƙe. Ƙananan ƙananan carbides ya kai HV1800 ~ 2200, yana aiki azaman ainihin lalacewa{3}} kwarangwal mai jurewa.
Ma'aunin Aiki Bayan Daidaitaccen Jiyya na Heat
表格
| Fihirisar Ayyuka | Farashin Cr15 | Farashin Cr20 | Farashin Cr26 |
|---|---|---|---|
| Rockwell Hardness HRC | 58~61 | 59~62 | 60~65 |
| Tasirin Tauri k (J/cm²) | Yafi ko daidaita 7 | Yafi ko daidaita 8 | Mafi girma ko daidai da 8.5 |
| M₇C₃ Juzu'i na Carbide | 22%~28% | 28%~35% | 35%~45% |
| Rayuwar Sabis Na Dangi (Benchmark) | 100% (Reference) | 140%~180% | 220%~300% |
| Yazawa & Lalata Juriya | Matsakaicin | Yayi kyau | Madalla |
| Matsakaicin Gajiyawar Zazzagewar Yanayin Aiki | Kasa da ko daidai da digiri 300 | Kasa da ko daidai da digiri 350 | Kasa da ko daidai da digiri 400 |
Bambance-bambance a Dabarar Ayyuka
Cr15: Mafi ƙarancin abun ciki na chromium tare da ƙarancin carbides. Ƙarƙashin ƙarfin ƙarfi amma mafi ƙanƙanta farashin albarkatun ƙasa. Mafi dacewa don ƙananan yanayin aiki na ƙazanta{3} tare da fifikon farashi.
Cr20: Daidaitaccen matakin chromium tare da ingantaccen ciniki{1}} a kashe tsakanin juriya, tauri da tsada. Abubuwan da ake amfani da su na yau da kullun da aka karɓa a ko'ina cikin masana'antar siminti da ma'adinai.
Cr26: Babban abun ciki na chromium yana ƙara haɓaka rabon carbide, isar da saman -ƙasasshen ƙarfi, juriya, tsayin zafi{2}} juriya da acid{3}} juriya na zaizawar alkali. Babban koma baya shine mafi girman farashin albarkatun ƙasa.
3. Daidaitaccen Tsarin Jiyya na Heat (Mahimmanci ga Rayuwar Sabis)
Cikakkun hanyoyin kashewa da zafin jiki sun zama tilas ga manyan layukan chromium. Kamar yadda{1}}wayoyin simintin gyare-gyare suna isa HRC40~46 kawai, tare da juriya ƙasa da kashi 60% na ingantattun samfuran zafi{5}}.
Cr15 (KmTBCr15Mo) Quenching: Rike a 940 ~ 980 digiri na 2 ~ 4 hours, sanyi tare da sadaukarwa quenchant; Zazzabi: Ƙananan -zafin zafi a digiri 220 ~ 280 na 3 ~ 6 hours don rage damuwa na ciki; Ƙarshe taurin HRC Ya fi ko daidai da 59.
Cr20 (KmTBCr20Mo) Quenching: Rike a 980 ~ 1030 digiri na 2 ~ 5 hours; Zazzabi: Ƙananan -zazzabi a digiri 230 ~ 290; Mafi kyawun taurin HRC60 ~ 62.
Cr26 (KmTBCr26) Quenching: Rike a 1010 ~ 1060 digiri na 3 ~ 6 hours don cikakken narkar da sakandare carbides; Tempering: Rike a 250 ~ 300 digiri na 4 ~ 8 hours; Tsayayyen taurin sama da HRC62. Za a iya ɗaga zafin zafin jiki kaɗan don yanayin sabis na zafi don haɓaka kwanciyar hankali.
Tsari Taboos: Yanayin sanyaya iska quenching da zafin jiki sama da digiri 400 an haramta su sosai, wanda ke rage taurin da juriya.
4. Sharuɗɗan Aiki masu dacewa, Kayan aiki & Kayayyakin don Kowane Matsayin Layi
4.1 Cr15 Babban Chromium Liner (Mai Girman Tattalin Arziki)
Abubuwan da za a iya amfani da su: Ƙarƙashin ƙazanta, ƙananan - ƙwalwar ƙwallon diamita, albarkatun ƙasa masu laushi, Kayan aiki na lokaci-lokaci: Ƙananan ƙwallo Φ Kasa da ko daidai da 2.4m, masana'antun kwal, ƙananan yashi mai laushi, ƙananan {2} yashwa ƙwanƙwasa Raw Materials: Coal, Limestone} lãka mai ƙarfi, matsakaiciyar ƙarfi{3. Mafi ƙanƙanta farashin saye, nauyi mai sauƙi, ƙarancin kuɗin canji Lalacewa: gajeriyar rayuwar sabis ƙarƙashin babban tama mai ƙarfi da ci gaba da aiki mai ɗaukar nauyi{{5}; Ba dace da rigar niƙa tare da acidic slurry da ake tsammanin Sabis Life: 3 ~ 5 shekaru, daidai da kawai 60% ~ 70% rayuwar sabis na Cr20 liners a ƙarƙashin yanayi iri ɗaya.
4.2 Cr20 Babban Chromium Liner (Mai Girma na Duniya, Raba Mafi Girma)
Abubuwan da suka dace: Matsakaici abrasion, bushewa & rigar dual{0}manufa, daidaitaccen yanayin aikin siminti/haƙar ma'adinai, daidaitaccen juriya da farashi Kayan aiki: Φ2.4 ~ 3.6m siminti albarkatun abinci mai niƙa, injin niƙa, ƙwaln ƙarfe na ƙarfe, injin murƙushewa na ciki, matsakaici{3}sized Iron Matsakaici, Matsakaici{3}sized Iron Matter Silo yashi, clinker siminti, tara yashi Abvantbuwan amfãni: Daidaitaccen lalacewa juriya da tauri, juriya ga matsakaicin tasiri, mai jituwa tare da bushewa & rigar niƙa, mafi kyawun aikin ƙira Hasara: Ƙananan zuwa Cr26 liners ƙarƙashin matsananci- ma'auni mai ƙarfi (basalt, yashi emery) da ci gaba da girma na shekaru 5{6} 1.5 ~ 1.8 sau fiye da Cr15 liners
4.3 Cr26 Babban Chromium Liner (Maɗaukaki{2}} Ƙarshen sawa mai juriya ga ƙima don ɓarna mai nauyi)
Abubuwan da za a iya amfani da su: Matsanancin lalacewa, matsanancin zafin jiki, slurry acidic, manyan masana'antar niƙa diamita, ci gaba da samarwa tare da manyan kayan albarkatun ƙasa{1}Kayan aiki: Manyan injinan sarrafa ma'adinai Φ Ya fi ko daidai da 3.6m, injin niƙa a tsaye, manyan injin niƙa mai ƙarfi, ƙwanƙwasa ƙarfe mai zafi high -lalata rigar niƙa kayan Raw Materials: Basalt, high-silicon quartz, wuya karfe ores, high{6}}zazzabi clinker, sulfur{7} dauke da acidic slurry Abvantbuwan amfãni: Top lalacewa juriya, m high -zazzabi mai girma -zazzabi da juriya, kyakkyawan juriya acid alkali, kyakkyawan juriya na iska & alkali. Rashin lalacewa: Babban farashin sayan gaba; Kasa da kauri - bango babban ƙarfen manganese a ƙarƙashin tasiri mai nauyi daga manyan kayan da ake tsammani Rayuwar Sabis: 7 ~ 10, sau 2 ~ 3 ya fi Cr15 da sau 1.4 ~ 1.7 tsayi fiye da Cr20 a ƙarƙashin yanayin aiki iri ɗaya.
5. Tsarin Liner & Fasahar Simintin Maɓalli
Tsarin gyare-gyare: Rasa simintin gyaran kumfa ko simintin yashi don haɗaɗɗen kafawar layukan igiyar igiyar ruwa, masu ɗagawa masu ɗagawa, layukan lebur da layukan murfi na ƙarshe. Kayan Cr26 yana da ƙimar raguwa mafi girma, don haka ƙira na buƙatar ƙarin izinin raguwa.
Anti{0}Kira Tsagewa: Liners masu kauri fiye da 60mm an haɗa su da molybdenum da vanadium don tace tsarin hatsi. Ana shigar da sanyin ciki a kan manyan layukan layi don guje wa rarrabuwa da karyewar carbide.
Daidaita Shiga: Pre{0}}Ramin da aka tanada don musanyawa guda{1}. Idan aka kwatanta da manyan manganese karfe liners, high chromium liners iya zama 15% ~ 25% bakin ciki a karkashin daidai lalacewa juriya nagartacce, rage niƙa lodi da ikon amfani.
6. Teburin Magana na Zaɓin Material Mai Sauri
表格
| Yanayin Aiki | Matsayin da aka fi so | Madadin Daraja | Ba a Shawarar ba |
|---|---|---|---|
| Ƙananan niƙan kwal, niƙa mai tsaka-tsaki na farar ƙasa | Cr15 | Cr20 | Cr26 (kudin da ba dole ba) |
| Standard siminti niƙa, baƙin ƙarfe tama & jimlar samar line | Cr20 | Cr26 (Dogon{1}}cikakken iya aiki{2}} | Cr15 (ana buƙatar sauyawa akai-akai) |
| Babban injin sarrafa ma'adinai, babban -zazzabi mai zafi, niƙa ruwan acidic, babban dutsen siliki mai ƙarfi- | Cr26 | Kauri Cr20 | Cr15 |
| M kwandon niƙa mai girma mai girma tama & tasiri mai nauyi | Babban Manganese Karfe Liner | Haɗin Bimetallic High Chromium Liner | Tsabtace Cr15/Cr20/Cr26 (Mai yiwuwa ga fashe kusurwa) |
| Matsakaicin bushewar niƙa na al'ada -, iyakataccen layin samar da kasafin kuɗi | Cr15 | Cr20 | - |
7. Aiki & Kulawa Bayanan kula
Ƙayyadaddun Tasiri: Duk maki uku matsakaita ne{0}}arancin lalacewa{1}kayan juriya. Don manyan kwanon niƙa tare da girman girman abinci sama da 100mm, an ba da fifikon babban ƙarfe na manganese ko na'urorin haɗaɗɗun bimetallic don hana fashe manyan layukan chromium.
Muhalli mai lalacewa: Cr26 wajibi ne don sulfur{1} mai ƙunshe da slurry acid; Cr15 yana fama da lalatawar rami wanda ke hanzarta abrasion.
Ƙayyadaddun Zazzabi: Cr26 kaɗai ke kula da ingantaccen aiki a ƙarƙashin dogon lokaci mai zafi na aiki sama da digiri 350 . Dogon -Mai girma- sabis na zafin jiki yana sassauta Cr15 ta hanyar zafin rai, asarar lalacewa sau biyu.
Shigarwa & Kulawa: An haramta walda da yanke manyan layukan chromium, saboda yawan walda mai zafi yana haifar da tsagewa. Cika giɓi tsakanin masu layi tare da lalacewa{2} da za a iya jurewa yayin shigarwa don guje wa zaizayar abu akan kusoshi.
8. Takaitaccen Takaitaccen Takaitaccen Takaitaccen farashi & Fa'ida
Cr15: Mafi ƙarancin saka hannun jari na gaba amma rufewa akai-akai don sauyawa. Ya dace da ƙananan masana'antu{2}}masu iya aiki tare da ƙarancin asarar lokaci.
Cr20: Mafi kyawun farashi na gabaɗaya, daidaitaccen tsari don 80% siminti shuke-shuke da matsakaici - ƙananan ma'adanai.
Cr26: Mafi girma ɗaya{1}Farashin sayan lokaci duk da haka ya ninka madauwari biyu. Mafi ƙarancin aikin gabaɗaya da ƙimar kulawa don manyan layukan samarwa masu ci gaba, yanke asarar tattalin arziƙin da ke haifar da raguwar lokacin samarwa.
