1. Matsaloli na yau da kullum a cikin putty foda
bushe da sauri
Wannan yana da alaƙa da yawan adadin ash calcium foda da aka ƙara (mai girma, adadin ash calcium foda da aka yi amfani da shi a cikin tsari na putty za a iya rage shi da kyau) da kuma yawan ajiyar ruwa na hydroxypropyl methylcellulose (HPMC), kuma yana da alaka da bushewar bangon da ke da alaƙa.
Kwasfa da mirginawa
Wannan yana da alaƙa da ƙimar riƙewar ruwa, wanda ke da sauƙin faruwa lokacin da danko na hydroxypropyl methylcellulose (HPMC) yayi ƙasa ko adadin da aka ƙara yana ƙarami.
De-powdering na ciki bango putty foda
Wannan yana da alaƙa da adadin ash calcium powder (yawan ash calcium foda a cikin tsari na putty yayi kadan ko kuma tsarkin ash calcium ya yi ƙasa sosai, kuma adadin ash calcium powder a cikin foda ya kamata ya kasance. yadda ya kamata ya karu), kuma yana da alaƙa da adadin hydroxypropyl methyl Adadin cellulose na asali (HPMC) yana da alaƙa da inganci, wanda ke nunawa a cikin adadin riƙe ruwa na samfurin. Adadin ajiyar ruwa yana da ƙasa, kuma lokacin ash calcium foda (calcium oxide a cikin ash calcium foda bai cika juyowa zuwa calcium hydroxide) bai isa ba. ,sabunta.
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 kuma, ƙazantattun abubuwan da ke cikin hydroxypropyl methylcellulose (HPMC) suna amsa dan kadan tare da ash calcium. Idan abin ya kasance mai tsanani, foda mai sanyawa zai kasance 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, samfurori irin su hydroxypropyl methylcellulose (HPMC) gauraye da ƙungiyar carboxymethyl suma suna bayyana a cikin wannan yanayin.
Volcanoes da pinholes suna bayyana
Wannan tabbas yana da alaƙa da tashin hankalin saman ruwa na hydroxypropyl methylcellulose (HPMC) maganin ruwa. Tashin tebur na ruwa na maganin ruwa na hydroxyethyl ba a bayyane yake ba. Zai yi kyau a yi maganin gamawa.
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.
2. Me yasa foda ya zama bakin ciki bayan ƙara ruwa?
Ana amfani da Hydroxypropyl methylcellulose (HPMC) azaman mai kauri da mai riƙe ruwa a cikin maiko. Saboda thixotropy na hydroxypropyl methylcellulose (HPMC), da hydroxypropyl methylcellulose a cikin putty foda Bugu da ƙari na HPMC kuma ya 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.
3. Menene dalilin da ya sa putty yayi nauyi sosai a cikin tsari na scraping?
A wannan yanayin, dankon hydroxypropyl methylcellulose (HPMC) da ake amfani da shi gabaɗaya ya yi yawa, kuma wasu masana'antun suna amfani da yuan 200,000 don yin sa. Kayan da aka samar ta wannan hanya yana da babban danko, don haka zai nutse lokacin da ake zubar da tsari. ji na. Adadin da aka ba da shawarar putty don ganuwar ciki shine 3-5 kg, kuma danko shine 80,000-100,000.
4. Me yasa kuke jin cewa danko na hydroxypropyl methylcellulose (HPMC) tare da danko iri ɗaya ya bambanta 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 hydroxypropyl methylcellulose (HPMC), kuma zaɓi samfurin tare da zafin jiki mafi girma.
Lokacin aikawa: Afrilu-12-2023