1. Shiri na albarkatun kasa foda.Hanyoyin niƙa da ake da su za a iya raba kusan kashi biyu: hanyoyin injiniya da hanyoyin sinadarai na zahiri.

Hanyar inji za a iya raba zuwa: inji murkushe da atomization;

Hanyoyi na Physicochemical an ƙara raba su zuwa: Hanyar lalata ta hanyar lantarki, hanyar ragewa, hanyar sinadarai, hanyar rage-sinadari, hanyar sanya tururi, hanyar shigar ruwa da hanyar lantarki.Daga cikin su, mafi yawan amfani da su shine hanyar ragewa, hanyar atomization da hanyar electrolysis.

2. An kafa foda a cikin ƙananan siffar da ake bukata.Manufar kafa shi ne don yin ƙanƙara na wani nau'i da girmansa, da kuma sanya shi ya kasance yana da ƙima da ƙarfi.Hanyar gyare-gyare ta asali ta kasu kashi biyu na gyare-gyaren matsa lamba da gyare-gyare mara ƙarfi.An fi amfani da gyare-gyaren matsawa a cikin gyare-gyaren matsawa.

3. Sintering na briquettes.Sintering shine maɓalli mai mahimmanci a cikin tsarin ƙarfe na foda.Ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan an haɗa shi don samun abubuwan da ake buƙata na ƙarshe na zahiri da na inji.Sintering ya kasu kashi uku tsarin sintering da Multi-bangaren tsarin sintering.Don ƙaƙƙarfan lokaci mai tsauri na tsarin naúrar da tsarin tsarin abubuwa da yawa, yawan zafin jiki ya kasance ƙasa da wurin narkewar ƙarfe da gami da ake amfani da su;don ɓangarorin ruwa-lokaci na tsarin ɓangarori masu yawa, yawan zafin jiki gabaɗaya ya fi ƙasa da wurin narkewa na ɓangaren refractory kuma sama da na ɓangaren fusible.Wurin narkewa.Bugu da ƙari ga ɓacin rai na yau da kullun, akwai kuma matakai na musamman na sintering kamar su sako-sako, hanyar nutsewa, da kuma hanyar latsa mai zafi.

4. Ayyukan samfur na gaba.Jiyya bayan sintering na iya ɗaukar hanyoyi daban-daban bisa ga buƙatun samfur daban-daban.Kamar gamawa, nutsewar mai, injina, maganin zafi da lantarki.Bugu da kari, a cikin 'yan shekarun nan, an kuma yi amfani da wasu sabbin matakai irin su mirgina da ƙirƙira don sarrafa kayan ƙarfe na foda bayan an yi su, kuma sun sami sakamako mai kyau.