Ka’idoji guda biyar na Rushewar Wuta Karfe

Ka’idoji biyar na Loading

1. Fahimtar wurare uku na rarraba zafi a cikin kullun

Yankin zafin jiki mai girma: a kusa da tsakiya da ƙananan sassa na crucible, saboda tasirin fata na lantarki shine yankin haɓaka layin magnetic filin, yana da kyau a ƙara allurai masu raguwa a cikin wannan yanki kuma saka manyan sassan giciye.

Sub-high zafin jiki yankin: tsakiyar kasan crucible.

Yankin ƙananan zafin jiki: Babban ɓangaren crucible yana watsar da babban zafi kuma layin filin maganadisu sun warwatse. Idan an sanya ƙasa na crucible ba daidai ba, yankin da ke ƙasan zafin jiki a ƙasa zai zama yankin ƙananan zafin jiki.

2. Samar da tafki mai narkakkar karfe da wuri-wuri, kasu kashi biyu yanayi

Akwai ƙarin tarkacen ƙarfe a cikin cajin da ƙarancin aiki ko babu aiki. Idan akwai ƙarin ƙasa tanderu, ba shi da kyau a ƙara lemun tsami don hana karfe daga slagging; ƙananan abubuwa da ƙananan abubuwa suna samar da tafki mai narkewa kafin ƙara ɓarna na ƙarfe; idan babu guntun karfe, ƙara 2-4 kilogiram na lemun tsami zuwa ƙasan tanderun. Yi slag yana da wani alkalinity a lokacin narkewa, 2.2-2.8 yana da amfani ga desulfurization da daidaitawar phosphorus.

Saboda wannan dalili, ya kamata a tattara ƙananan kayan aiki daban. Lokacin da aka kunna tanderun, ana ƙara shi da sauri zuwa yankin da ke ƙasa da zafin jiki na crucible don samar da narkakken tafkin da wuri-wuri. Tafkin da aka narkar da shi kawai zai iya ɗaukar ƙarin layukan maganadisu na ƙarfi don haɓaka narkewar.

3. Ferro-tungsten da ferro-molybdenum ya kamata a sanya su a cikin babban yankin zafin jiki a daidai lokacin da ya dace don tabbatar da haɗin kai, don hana samfurin fusion maras wakilci da kuma rarraba abubuwa masu daraja a cikin samfurin da aka gama, amma bai kamata ba. ku kasance da wuri don hana ferro-tungsten nutsewa zuwa ƙasa.

4. An fi ƙara tarkacen man fetur da na ƙarfe a cikin ƙungiyoyin farko. Bayan ƙara ɓarna mai da ƙarfe, yi amfani da Huangshi deoxidizer ko fakitin silicomanganese na aluminium don saka deoxidation na hazo, kuma ɓangaren samfurin shine samfurin deoxidation oxide, kamar ƙarfe. Narkar da iskar oxygen ya yi yawa, kuma ana samar da sabbin oxides na ruwa a yanayin zafi mai yawa, wanda daga baya za a gaji su ta hanyar remelting na electroslag da rage tsaftar karfe. [H] Yana da wahala a cirewa yayin da ake remelting na electroslag, kuma ana samun fararen tabo da tsagewa akan billet ɗin ingot.

5. Lokacin shigar da tanderun, kula da tsari wanda cajin ya faɗi don hana haɗin gwiwa da cunkoso. Kada ku yi amfani da bangon da aka yi amfani da shi a matsayin fulcrum don zazzage kayan, kuma kada ku buga ɓangaren sama na crucible a kan bangon murhun wuta na nodular oxide slag, wanda zai lalata kullun kuma ya rage rayuwar crucible. Ana iya cire shi ta hanyoyin sinadarai, kamar ƙara mai cire shinge a bangon tanderun yayin aikin narkewa