Labarai

1,Gabatarwa

Tare da ci gaba da ci gaban masana'antu na zamani, abubuwan da ake buƙata don inganci da aikin kayan ƙarfe suna ƙara karuwa. A matsayin muhimmiyar hanyar haɗi a cikin samar da ƙarfe da ƙarfe maras ƙarfe, matakin ci gaba na ci gaba da fasaha na simintin gyare-gyare kai tsaye yana rinjayar inganci da samar da kayan ƙarfe. Fasahar simintin ƙwanƙwasa ta ci gaba da yin amfani da fasahar simintin gyare-gyare na al'ada, wanda ke sanya ƙirar a cikin yanayi mara kyau don yin simintin. Yana da fa'idodi masu mahimmanci kamar rage abun ciki na iskar gas a cikin narkakkar ƙarfe, rage haɗawa, da haɓaka ingancin billet ɗin simintin. Daidaita sarrafa kwararar ƙarfe a cikin yanayi mara kyau shine mabuɗin samun babban inganciinjin ci gaba da yin simintin gyaran kafa.

2,Bayanin Fasahar Ci gaba da Casing Vacuum

(1)Ka'idar vacuum ci gaba da yin simintin gyaran kafa

Vacuum ci gaba da yin simintin gyare-gyare shine aiwatar da allurar narkakkar ƙarfe a cikin na'ura mai ƙira a cikin yanayi mara kyau da ƙirƙirar simintin simintin gyaran kafa ta hanyar sanyaya da ƙarfafawa. A cikin yanayi maras motsi, narkewar iskar gas a cikin narkakken ƙarfe yana raguwa, yana sauƙaƙa ga iskar gas don tserewa, ta haka yana rage lahani kamar porosity a cikin simintin simintin. A lokaci guda kuma, yanayi mara kyau zai iya rage hulɗar da ke tsakanin narkakkar ƙarfe da iska, da rage haɓakar oxidation da haɗakarwa.

(2)Halayen vacuum ci gaba da simintin gyaran kafa

Inganta ingancin simintin gyare-gyare: rage lahani kamar pores da haɗawa, da haɓaka yawa da tsabtar simintin gyaran kafa.

Inganta solidification tsarin na karafa: da amfani ga refining hatsi size da kuma inganta inji Properties na karafa.

Rage farashin samarwa: Rage matakan sarrafawa na gaba kuma inganta ingantaccen samarwa.

3,Tasirin Muhalli na Vacuum akan Gudun Ruwan ƙarfe

(1)Rage narkewar iskar gas

A cikin yanayi mara kyau, iskar gas a cikin narkakken ƙarfe yana raguwa sosai, yana sauƙaƙa ga iskar gas don tserewa da yin kumfa. Idan ba za a iya fitar da kumfa a kan lokaci ba, lahani kamar ramukan iska za su kasance a cikin simintin, suna shafar ingancin simintin.

(2)Bambancin tashin hankali na saman

A injin yanayi zai canza surface tashin hankali na karfe ruwa, shafi kwarara jihar da kuma solidification tsari na karfe ruwa a cikin crystallizer. Canjin tashin hankali na sama na iya haifar da canji a cikin daurin narkakkar karfe, yana shafar yanayin hulɗa tsakanin simintin simintin gyare-gyare da bangon crystallizer.

(3)Rage juriya kwarara

A cikin yanayi maras motsi, juriyar iska zuwa kwararar ƙarfen narkakkar yana raguwa, kuma saurin narkakkar karfen yana ƙaruwa. Wannan yana buƙatar ƙarin madaidaicin kulawa da kwararar ƙarfe don hana abubuwan mamaki kamar tashin hankali da fantsama.

4,Maɓalli na kayan aiki da hanyoyin fasaha don daidaitaccen sarrafa ƙarfin ƙarfe a cikin injin ci gaba da yin simintin ƙarfe

(1)Crystallizer

Ayyukan crystallizer

Crystallizer shine ainihin bangaren injin ci gaba da yin simintin gyaran kafa, wanda babban aikinsa shine sanyaya da ƙarfafa narkakkar da ke cikinsa don samar da simintin simintin. Siffa da girman crystallizer kai tsaye suna shafar inganci da daidaiton girman simintin simintin gyaran kafa.

Bukatun ƙira don crystallizer

Don cimma daidaitaccen iko na kwararar ƙarfe, ƙirar crystallizer ya kamata ya dace da buƙatun masu zuwa:

(1) Kyakkyawan halayen zafi: mai iya canja wurin zafi na narkakken ƙarfe da sauri, yana tabbatar da saurin sanyaya na billet ɗin simintin.

(2) Taper mai dacewa: Ya kamata a ƙera taper na crystallizer bisa la'akari da halayen raguwa na simintin don tabbatar da kyakkyawar hulɗa tsakanin simintin da bangon crystallizer, da kuma hana abubuwan mamaki kamar ja da zubewa.

(3) Tsayayyen matakin sarrafa ruwa: Ta ainihin gano matakin ruwa da na'urori masu sarrafawa, ana kiyaye daidaiton matakin ruwa na ƙarfe a cikin crystallizer, yana tabbatar da daidaiton ingancin simintin.

(2)Tsarin sanda

Ayyukan toshe

Matsakaicin na'ura ce mai mahimmanci da ake amfani da ita don sarrafa yawan kwararar ƙura da saurin narkakkar ƙarfe zuwa cikin crystallizer. Ta hanyar daidaita matsayi na mai dakatarwa, girman da saurin motsi na karfe za a iya sarrafawa daidai.

Ka'idar sarrafawa na tsarin plunger

Tsarin filogi yakan ƙunshi sandar toshewa, injin tuƙi, da tsarin sarrafawa. Tsarin sarrafawa yana daidaita matsayin sandar filogi ta hanyar injin tuƙi dangane da buƙatun tsari da siginonin gano matakin ruwa, samun daidaitaccen iko na kwararar ruwa na ƙarfe.

(3)Electromagnetic motsawa

Ka'idar electromagnetic stirring

Harkar lantarki shine amfani da ka'idar shigar da wutar lantarki don samar da filin maganadisu mai juyi a cikin karfen ruwa, yana haifar da motsi a cikin karfen ruwa. Harshen lantarki na iya haɓaka yanayin zub da jini na narkakkar ƙarfe, haɓaka shawagi na haɗawa da tserewar iskar gas, da haɓaka ingancin simintin gyaran kafa.

Nau'i da Aikace-aikace na Electromagnetic Stirring

Electromagnetic stirring ya kasu kashi daban-daban iri kamar crystallizer electromagnetic stirring, sakandare sanyaya zone electromagnetic stirring, da kuma solidification karshen electromagnetic stirring. Dangane da buƙatun tsari daban-daban da buƙatun ingancin simintin gyare-gyare, ana iya zaɓar nau'ikan motsin lantarki masu dacewa don aikace-aikace.

(4)Gano matakin ruwa da tsarin sarrafawa

Hanyar gano matakin ruwa

Gano matakin ruwa shine ɗayan mahimman hanyoyin haɗin kai don cimma daidaiton sarrafa kwararar ruwan ƙarfe. Hanyoyin gano matakin matakin ruwa da aka saba amfani da su sun haɗa da gano isotope na rediyoaktif, ganowar ultrasonic, ganowar Laser, da sauransu. .

Haɗin kai da ƙa'idar aiki na tsarin kula da matakin ruwa

Tsarin sarrafa matakin ruwa yakan ƙunshi na'urori masu auna matakin ruwa, masu sarrafawa, da masu kunnawa. Firikwensin matakin ruwa yana watsa siginar matakin ruwa da aka gano ga mai sarrafawa. Mai sarrafawa yana daidaita matsayi na plunger ko wasu sigogi masu sarrafawa ta hanyar mai kunnawa bisa ga buƙatun tsari da saita dabi'u, samun kwanciyar hankali na matakin ruwa na ƙarfe.

5,Tsari ingantawa na daidaitaccen iko na kwararan ƙarfe a cikin injin ci gaba da yin simintin gyare-gyare

(1)Haɓaka sigogin zuƙowa

Zuba zafin jiki: Madaidaicin ikon sarrafa zafin jiki na iya tabbatar da ruwa da cika ikon ruwan ƙarfe, yayin da guje wa zafin jiki mai yawa wanda zai iya haifar da oxidation da tsotsan ruwan karfe.

Gudun zurawa: Zaɓi saurin zuƙowa da ya dace dangane da girman da ingancin buƙatun billet ɗin simintin. Yawan zub da jini na iya haifar da kwararar ƙarfe mara ƙarfi, yana haifar da tashin hankali da fantsama; Matsakaicin saurin zubewa zai shafi ingancin samarwa.

(2)Inganta tsarin sanyaya na crystallizer

Sarrafa yawan kwararar ruwa mai sanyaya da ƙimar kwarara: Dangane da halaye masu ƙarfi da buƙatun inganci na simintin simintin, ƙimar ruwan sanyaya da yawan kwararar crystallizer ya kamata a sarrafa shi da kyau don tabbatar da saurin sanyaya da daidaiton billet ɗin simintin.

Zaɓin hanyoyin sanyaya: Ana iya amfani da hanyoyin sanyaya daban-daban kamar sanyaya ruwa da sanyaya iska, kuma zaɓi da haɓakawa na iya dogara ne akan takamaiman yanayi.

(3)Haɗin gwiwa iko na electromagnetic stirring da toshe sanda tsarin

Haɓaka sigogin motsa jiki na lantarki: Dangane da ingancin buƙatu da halayen tsari na simintin simintin gyare-gyare, inganta mitar, ƙarfi, da hanyar zuga wutar lantarki don cikakken amfani da aikin sa.

Gudanar da haɗin gwiwar tsarin filogi da motsin wutar lantarki: Ta hanyar dabarun sarrafawa mai ma'ana, ana iya samun aikin haɗin gwiwa na tsarin toshewa da motsa wutar lantarki don haɓaka kwanciyar hankali na kwararar ƙarfe da ingancin simintin gyare-gyare.

6,Kammalawa

Madaidaicin iko na kwararar ƙarfe a cikin yanayi mara kyau ta ainjin ci gaba da yin simintishine mabuɗin don cimma ingantaccen samar da billet. Ta hanyar aikace-aikace na key kayan aiki da fasaha hanyoyin kamar crystallizers, stopper tsarin, electromagnetic stirring, ruwa matakin gano da kuma kula da tsarin, kazalika da aiwatar da ingantawa, daidai iko da karfe kwarara za a iya yadda ya kamata. A nan gaba, tare da haɓaka fasahar fasaha da kuma amfani da sababbin kayan aiki, fasahar ci gaba da yin simintin gyare-gyare za ta ci gaba da haɓakawa da ingantawa, samar da ƙarin abin dogara da ingantaccen goyon bayan fasaha don samar da kayan ƙarfe. A lokaci guda kuma, muna buƙatar fuskantar ƙalubale kamar babban wahalar fasaha, tsada mai tsada, da ƙarancin hazaka, da haɓaka haɓakawa da aikace-aikacen fasahar simintin gyare-gyare ta hanyar ci gaba da ƙoƙari da ƙirƙira.