Disadvantages na kumfa gilashi. Thermal rufi kayan

Daya daga cikin mafi ingancin da kuma mafi m thermal rufi kayan da aka dauke su a foamed gilashi. Godiya ta zuwa ga gaske musamman halaye na wannan abu same ta aikace-aikace ba wai kawai a cikin mutum gini, amma ko da a cikin shiri na masana'antu da wuraren. Duk da haka, abin da ya falalan insulator ba kamar yadda rare kamar yadda idan aka kwatanta da sauran thermal insulators, kuma haka yana da dalilai. Har ila yau, m taro dũkiyarsu da kuma halaye, da kuma foamed gilashin yana da babbar drawbacks. Bari mu ga abin da shortcomings kumfa gilashi ba zai bar shi ya zama na farko daga thermal rufi kayan.

m samarwa

Matsalar ita ce, don samar da wannan abu ta amfani da cheap raw kayan, kamar guda na karye gilashi ko sintered dutse, amma masana'antu fasahar ne wajen tsada. Domin samun da granulated foamed gilashin, na bukatar da zazzabi da oda na 800-900 darajõji, kuma siffofin zafi-resistant karfe.

• A masana'antu tsari kunshi a farko dumama da kuma softening gilashin foda samu daga albarkatun kasa.
• To, shi ne foamed ta kona gasifier - kamar yadda mai mulkin, shi ne ci.
• Bayan da abu ne sanyaya sannu a hankali, da kuma sakamakonsa na kumfa gilashi aka samu.

Yi na rufi ne fairly hadaddun da dogon tsari, don haka kudin da alama cheap raw kayan ƙara muhimmanci.

Production na kumfa gilashi

A karshen sakamakon shi ne samar da tubalan da ciwon saƙar zuma tsarin da granulated kumfa gilashi. Ta hanyar amfani da musamman siffofin block kayayyakin ne mafi tsada fiye da guda adadin abu a cikin hanyar granules.

Daga bisani, da tubalan an yanka a cikin slabs wanda ake amfani da matsayin rufi ga hadaddun abubuwa. Alal misali, a kan rufin babban yankin ko hadaddun lissafi siffar Tsarin, kazalika ga thermal rufi na karkashin kasa da Tsarin. Dace da yin amfani da kumfa gilashin faranti da kuma yadda rufi domin yin iyo wuraren waha, baho da sauran gine-gine a wanda wani hadadden yawan zafin jiki kula da aka sarrafa, da kuma duk godiya ga musamman kwanciyar hankali na kasa da fallasa su ruwa tururi.

A granulated foamed gilashi aka kullum amfani da wani girma-free rufi a rufi ko ciko a karkashin wani coupler. Na biyu yin amfani da wannan abu - filler for daban-daban da mafita ga huhu screed, plaster ko ga kafuwar tubalan.

Dukansu kayayyakin da abun da ke ciki da kuma halaye na wata al'ada taga, don haka da amfani ko rashin amfani kumfa gilashin su ne bisa Properties daga cikin abu.

A ƙarfi Properties na kumfa gilashi

Wannan rufi ne daya daga cikin mafi m tare da kowane irin rufi. Duk da haka, shi ne kawai game da compressive ƙarfi, wanda yana da muhimmanci ga zafi rufi kayan, tun da wannan musamman kaya insulator, kamar yadda mai mulkin, aka fallasa. Musamman muhimmancin wannan siga ne, saboda a lokacin da karfi matsawa rufi iya rasa wasu daga dũkiyõyinsu: danshi juriya da aka karya shi, da kuma fara gudanar da zafi insulator.

Ba kamar kumfa kuma fibrous kayan, wanda aka tsara kawai ga kananan m kokarin, wanda muhimmanci takaita su aikace-aikace a wasu yanayi, salon salula gilashin shi ne kaucewa collapsible, kuma shi damar da shi ya dauki wani ɓangare na kaya.

girma kwanciyar hankali

Kumfa gilashi ba maras kyau a ƙarƙashin rinjayar nauyi, wanda zame ta sagging, hunching ko shrinkage. Saboda wannan rufi ba ya bukatar hawa a kan karfe anka ko dari da za su iya haifar da sanyi gadoji. A kayan za a iya sauƙi gam uwa da zafi bitumen, polymer kankare ko mastic da kuma musamman adhesives.

Amma ba dukan ƙarfin halaye na rufi ne don haka m. Disadvantages na kumfa gilashin suna dogara ne da farko a kan kaddarorin da farko albarkatun kasa, wanda yana low jure inji tasiri. Saboda haka tubalan quite sauƙi karya ko lalace. Bugu da ƙari, ko da kananan surface lahani iya haifar da rage ruwa juriya da kuma ya karu thermal watsin.

A rayuwa na kumfa gilashi

A rayuwa na hita - ba kasa da shekaru 100, wanda shi ne muhimmanci wuce rayuwa na fi gine-gine ba tare da manyan gyare-gyare a inda zai yiwu da amfani.

Kumfa gilashin da aka halitta a cikin 30-ies karni na karshe, don haka a yau ba za mu iya magana game da juriya ga tsufa da kayan. Gwajin nazarin da aka za'ayi da masana suka yi ya nuna cewa tubalan na kumfa gilashin ga tsawon shekaru 50, ba rasa dũkiyõyinsu, kuma sun kasance kusan canzawa.

Duk da haka, wannan riba ne m, a zaman kansa yi, kamar yadda low-Yunƙurin gine-gine a bukatar gyara, ba daga baya fiye da shekaru 50. Saboda haka mafi dace a yi amfani, ko kasa m amma mai rahusa insulating kayan, kumfa gilashin ka yi amfani da, farashin wanda quite high (16 000 rbl. / M ^3).

Resistance zuwa muhalli tsoma

A wannan yanayin, shi yana nufin daban daban iri tasirin biyu sinadaran da nazarin halittu yanayi. Kumfa gilashin rufi kayan ana ba halaka su da sinadarai, da kawai togiya ne hydrofluoric acid. Amma wannan zai iya wuya a yi la'akari da hasara, tun da wannan reagent za a iya samu, fãce a kan sinadaran masana'antu.

Tun da kumfa gilashin kunshi kawai daga sama oxides na daban-daban abubuwa, shi ba a shafi oxygen dauke a cikin yanayi iska, ya kuma inganta hadawan abu da iskar shaka.

Saboda wannan fasali na rufi ba batun kona. Lokacin da fallasa su high zazzabi shi narke kamar talakawa gilashi, ba tare da isolating, sabanin mafi insulating kayan, cutarwa gas da kuma abubuwa.

Akwai wani factor cewa yana da wani tasiri a kan wuta aminci abu - shi ne rashin absorbency. Kumfa gilashi aka cikakken mallaka wannan dukiya da kuma shi ne mai absorbent abu.

ba-hygroscopic abu

Saboda wannan halayyar yana da wani sakamako a kan hita da ruwa, ko sabo ne ko gishiri, kamar yadda wani ɓangare na narkewa aka gyara an bace, da kuma foamed gilashin tsari ne rufaffiyar cell, a cikin abin da danshi ne kawai ba su iya samun wurin. Godiya ga wadannan halaye da kayan ba ya durkushe a ƙarƙashin rinjayar low yanayin zafi. Saboda haka, sau da yawa wani hita da ake amfani da matsayin waterproofing abu.

Bugu da kari, foamed gilashi, wanda halaye ne m ga waɗanda na wani al'ada gilashin yana da wani low coefficient na thermal fadada, wanda ke nufin cewa shi zai iya tsayayya ba tare da matsaloli yanayi zazzabi canje-canje, ba tare da la'akari da ko da yankin. Wani m dũkiyar abu ne soundproofing da ingancin, da kuma duk godiya ga m tsarin da kumfa gilashi.

Kumfa gilashin FOAMGLAS

Duk da haka, ba-hygroscopicity da yawa daga cikin kayan sa wasu disadvantages foamed gilashi, musamman da nauyi isasshe high kamar yadda idan aka kwatanta da sauran thermal insulators. Wannan muhimmanci dagula harkokin sufuri na rufi, game da shi ƙwarai kara sayar da farashin kayan. Eh, da kuma kafuwa zama quite matsala taron.

Duk da haka, da zamani samarwa sa ya yiwu a gyara a shortcoming. Alal misali, a kamfani Pittsburg Corning ƙera kumfa gilashin FOAMGLAS, halin da m sauƙi, yayin da tsare dukan halaye na wannan abu.

To, a yau da foamed gilashin ne yafi saka a kan turmi, sa shi sauki zuwa Dutsen da hita. Bugu da kari, mai kyau mannewa daga cikin kayan saboda mafi kyau da mannewa na foamed gilashi.

nazarin halittu effects

Da farko, za mu lura cewa kumfa gilashin shi ne cikakken resistant rot, fumfuna da fungi, kamar yadda da tsarin ne ba kawai wani m yanayi domin su haifuwa. Wannan factor ne da muhimmanci musamman a cikin shiri, lokacin da rufi kayan sukan yi amfani da a tsare sarari. Irin wannan kumfa gilashin fasalin sa ka ka tam kauce wa hallaka a matsayin wani zafi insulator, da kuma surface cewa shi kare, ko yana da wani rufin, ganuwar tafi kafuwar.

Har ila yau muhimmanci shi ne gaskiya cewa kumfa gilashi ba za a iya lalace ta hanyar shuka asalinsu. Kuma cikakken m zuwa kwari da hakori, saboda da abrasive Properties. Wannan yanayin na kayan samu da aikace-aikace a cikin farfadowa daga granaries, warehouses da abinci refrigeration wurare, lokacin da rufi kumfa gilashi ne ma manufa da kariya a kan wani iri-iri na nazarin halittu siffofin.

Menene wasu abũbuwan amfãni, kuma disadvantages na kumfa gilashi?

Bayan sama na asali halaye, da kayan yana da dama rarrabe Properties.

Kumfa gilashin ne mai sauqi ka rike, kuma ba shi da ake so siffar amfani da na al'ada sabon kayan aikin. Wannan ba ka damar amfani da wannan insulator ga gine-gine na wani geometrical siffar. Amma da masana'antu masana'antu tubalan - wani hadadden tsari da take kaiwa zuwa wani gwaji entrainment kayan kudin.

Rufi-kumfa gilashi - gaba daya tsabtace muhalli abu, wanda ba ya da wani cutarwa effects a kan mutum kiwon lafiya. Kuma har kwanan nan aka samar da fasahar inda hydrogen sulfide aka yi amfani a matsayin hurawa wakili. Ya turare da aka wuce da kuma gama kaya, don haka da yin amfani da rufi a zaman kansa shiri da aka quite iyakance saboda miyagun wari "rududdugaggu qwai".

Saboda da muhalli salula gilashin yau yana zama daya daga cikin mafi m thermal rufi kayan, kuma bayan yin amfani da hita za a iya sake sake yin fa'ida a cikin wani sabon samfurin.