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Kutentha zosagwira galasi: zotsimikizira mbali ndi Mbali

Galasi - mmodzi wa zipangizo akale kwambiri komanso mosalekeza. mankhwala galasi ali ponseponse, koma kawirikawiri sitiganizira kwambiri za makhalidwe ake. Iwo akhoza zimasiyana kwambiri malingana ndi ntchito anafuna katundu m'tsogolo. Za mtundu wina ambiri ndi kutentha umboni galasi. Tiyeni tione mmene kumasiyana ndi mwachizolowezi, ndi kumene ntchito.

kutentha umboni galasi

Galasi ndi chinthu zochita kupanga. Iwo amakhala ndi katundu wa olimba, madzi osungunula, ndi mkulu kukhuthala. Ake fragility, mphamvu, kachulukidwe, ndi kutentha yeniyeni zimasiyanasiyana ndipo amadalira zosafunika lapansi.

Posachedwapa, zipangizo yapangidwa amene adzalandira katundu atypical galasi, monga moto kukana. The chizindikiro chachikulu chosiyana ndi zina galasi kutentha zosagwira galasi - kutentha pa chimene amakhala katundu wake. Iwo akhoza kulimbana kutentha ngakhale 1000 madigiri Celsius, pamene wake "anzake" osokoneza kale pa madigiri 80.

Pa refractoriness bwanji kapangidwe ndi makulidwe zakuthupi. Ngati galasi ndi thicker ndi lili ndi chiwerengero apamwamba oxides soda, zidzakhala cholimba. Ambiri kugonjetsedwa kutentha umboni galasi - khwatsi. Iwo akhoza kulimbana kusintha kwambiri kutentha ndi ali mkulu kuwira kutentha (2230 madigiri).

Kupanga galasi kutentha zosagwira

Childs, galasi ndi chisakanizo cha zigawo zingapo. Kutenga muyezo silika zinthu mchenga, laimu ndi koloko. Iwo usavutike kutentha kwambiri (1700 ° C), chifukwa iwo anasungunuka wothira mzake. Kenako, osakaniza unatsanuliridwa mu chitini osungunula (iwo kusakanizidwa chifukwa cha kusiyana kachulukidwe), ndiyeno pang'onopang'ono utakhazikika.

Kupereka katundu zofunika zigawo zikuluzikulu zimenezi anawonjezera, ndi zinthu zina. Kupanga kutentha umboni galasi, ntchito oxides osiyana. Choncho, borosilicate chuma lili okusayidi boron mu silika - okusayidi pakachitsulo.

More mphamvu adzakula, ngati inu ntchito zigawo zingapo. Chifukwa chaichi kwapatsidwa kwa kuziziritsa kwathunthu. Latha mapepala ndi sanded, kuchapidwa ndi kudula kukula chofunika. Ndiye angapo mapepala galasi amakondana wina ndi mzake mwa polima wapadera. Kutsirizitsa kukhudza ikuyaka galasi "sangweji" pa madigiri 660-680.

ntchito

Kutentha zosagwira galasi chotchuka ku khitchini. Chifukwa anapanga mauvuni ndi cookware. Common mankhwala zakuthupi imeneyi ndi moto. Khwatsi galasi ntchito kupanga CHIKWANGWANI kuwala, ndi Fresnel mandala, crucibles, insulators, ndi zina zotero. D. Borosilicate ntchito magalasi kuwala, mbale kuwalitsa zakutali.

Mu zotengera za kutentha zosagwira galasi ubwino ambiri. Iwo kukamaomba ngakhale moto lotseguka, ndi cholimba. Mabukuwa ndi mokwanira inert ndipo alibe oxidize pamene mkangano, choncho sasintha kukoma kwa mbale. Iye kosamugonjera dzimbiri ndi makulitsidwe.

Kumene, ngakhale kutentha umboni galasi ali zovuta. Zilibe anatani kuwonjezeka lakuthwa kapena kuchepa mu kutentha. Zakudya ku zinthu sayenera kuvala moto waukulu yomweyo pambuyo mufiriji. Komanso, galasi fireproof si-nyese ndi kusiya ake sikuthandiza.

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