bushe da sauri
Wannan ya faru ne saboda yawan ƙarar ash calcium foda (yawan ash calcium foda da aka yi amfani da shi a cikin tsari na putty za a iya rage shi yadda ya kamata) yana da alaka da yawan ajiyar ruwa na hydroxypropyl methylcellulose, kuma yana da alaka da bushewar bango. .
Kwasfa da mirginawa
Wannan yana da alaƙa da babban abun ciki na ash calcium ko ƙarancin riƙewar ruwa na hydroxypropyl methylcellulose, wanda kuma yana iya faruwa lokacin da danko na cellulose ya yi ƙasa ko kuma adadin kari ya yi kaɗan.
De-powdering na ciki bango putty foda
Wannan yana da alaƙa da adadin ash calcium powder ɗin da aka saka (yawan ash calcium powder a cikin tsari na putty ya yi kadan ko kuma tsarkin ash calcium ya yi ƙasa sosai, kuma adadin ash calcium powder a cikin tsari na putty ya kamata. a ƙara da kyau), kuma yana da alaƙa da ƙari na cellulose Akwai dangantaka tsakanin yawa da inganci, wanda ke nunawa a cikin adadin ruwa na samfurin. Adadin riƙewar ruwa yana da ƙasa, kuma lokacin amsawar ash calcium foda (calcium oxide a cikin ash calcium foda ba a cika jujjuya shi zuwa calcium hydroxide) bai isa ba, wanda aka haifar.
kumfa
Wannan yana da alaƙa da busasshen zafi da faɗin bango, kuma yana da alaƙa da ginin.
fil
Wannan yana da alaƙa da cellulose, wanda ke da ƙarancin samar da fim. A lokaci guda, ƙazanta a cikin cellulose suna amsa dan kadan tare da ash calcium. Idan abin ya kasance mai tsanani, foda mai sanyawa zai bayyana a cikin yanayin ragowar wake na wake. Ba za a iya sanya shi a bango ba, kuma ba shi da ƙarfin haɗin kai a lokaci guda. Bugu da ƙari, wannan yanayin yana faruwa tare da samfurori irin su carboxymethyl gauraye da cellulose.
Volcanoes da pinholes suna bayyana
Wannan a fili yana da alaƙa da tashin hankalin saman ruwa na hydroxypropyl methylcellulose aqueous bayani. Tashin tebur na ruwa na maganin ruwa na hydroxyethyl ba a bayyane yake ba. Zai yi kyau a yi maganin gamawa. Hakanan yana da alaƙa da ƙari mai yawa na hydroxypropyl methylcellulose.
Bayan putty ta bushe, yana da sauƙi a fashe kuma ya juya rawaya
Wannan yana da alaƙa da ƙari mai yawa na ash-calcium foda. Idan an ƙara adadin ash-calcium foda da yawa, taurin foda zai karu bayan bushewa. Idan foda putty ba shi da sassauci, zai fashe cikin sauƙi, musamman ma lokacin da aka sa shi da ƙarfi na waje. Hakanan yana da alaƙa da babban abun ciki na calcium oxide a cikin ash calcium foda.
Me yasa foda ya zama bakin ciki bayan ƙara ruwa?
Ana amfani da Cellulose azaman mai kauri da mai riƙe da ruwa akan putty. Saboda thixotropy na cellulose kanta, ƙari na cellulose a cikin putty foda kuma yana haifar da thixotropy bayan ƙara ruwa zuwa putty. Wannan thixotropy yana haifar da lalacewa ta hanyar lalata tsarin haɗin kai na abubuwan da ke cikin foda. Wannan tsarin yana tasowa a lokacin hutawa kuma yana rushewa a ƙarƙashin damuwa. Wato danko yana raguwa a karkashin motsawa, kuma danko yana farfadowa lokacin da yake tsaye.
Menene dalilin da yasa putty yayi nauyi sosai a cikin tsarin gogewa?
A wannan yanayin, danko na cellulose gabaɗaya da ake amfani da shi ya yi yawa. Wasu masana'antun suna amfani da cellulose 200,000 don yin putty. Kayan da aka samar ta wannan hanya yana da babban danko, don haka yana jin nauyi lokacin da ake gogewa. Adadin da aka ba da shawarar putty don ganuwar ciki shine 3-5 kg, kuma danko shine 80,000-100,000.
Me yasa dankon cellulose ya bambanta yayin amfani da cellulose iri ɗaya a cikin hunturu da bazara?
Saboda thermal gelation na samfurin, danko na putty da turmi za su ragu a hankali tare da karuwar zafin jiki. Lokacin da zafin jiki ya zarce zafin gel na samfurin, samfurin zai haɗe daga ruwa kuma ya rasa danko. Yanayin zafin jiki a lokacin rani gabaɗaya yana sama da digiri 30, wanda ya bambanta da yanayin zafi a lokacin hunturu, don haka danko yana ƙasa. Ana bada shawara don zaɓar samfurin tare da danko mafi girma lokacin da ake amfani da samfurin a lokacin rani, ko don ƙara yawan adadin cellulose, da kuma zaɓar samfurin da zafin jiki mafi girma.
Lokacin aikawa: Mayu-19-2023