1. Matsalolin da aka saba fuskanta a cikin foda na putty
Yana bushewa da sauri:
Babban dalili shi ne cewa adadin tokar da aka ƙara (ya yi yawa sosai, adadin tokar calcium foda da aka yi amfani da ita a cikin dabarar putty za a iya rage shi yadda ya kamata) yana da alaƙa da yawan riƙe ruwa na zare, kuma yana da alaƙa da bushewar bango.
Barewa da birgima:
Yana da alaƙa da yawan riƙe ruwa, kuma ƙarancin ɗanko na cellulose yana da saurin kamuwa da wannan yanayi ko kuma adadin ƙarin yana da ƙarami.
Cire foda na putty na ciki a bango:
Adadin foda na ash da aka ƙara (adadin foda na ash a cikin dabarar putty ya yi ƙanƙanta ko kuma tsarkin foda na ash ya yi ƙasa sosai, kuma ya kamata a ƙara adadin foda na ash a cikin dabarar foda na putty yadda ya kamata), kuma yana da alaƙa da adadin cellulose da Ingancin yana da alaƙa, wanda ke nuna a cikin ƙimar riƙe ruwa na samfurin. Yawan riƙe ruwa yana da ƙasa, kuma foda na ash (ƙaramin calcium oxide a cikin foda na ash ba a canza shi gaba ɗaya zuwa calcium hydroxide don ruwa ba) bai isa lokaci ba, wanda ke haifar da shi.
Kumfa:
Busasshen danshi na bangon yana da alaƙa da faɗin da ba shi da faɗi, kuma yana da alaƙa da ginin.
Wani ma'auni ya bayyana:
Yana da alaƙa da cellulose, kuma rashin kyawun halittarsa ta hanyar samar da fim ba shi da kyau, kuma a lokaci guda, ƙazanta a cikin cellulose yana yin tasiri kaɗan tare da ash calcium. Idan amsawar ta yi tsanani, foda putty zai bayyana a cikin yanayin ragowar wake curd. 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 samfuran kamar carboxymethyl da aka haɗa da cellulose.
Bayan putty ya bushe, yana da sauƙin fashewa da canza launin rawaya:
Yana da alaƙa da ƙara yawan garin ash-calcium. Idan aka ƙara yawan garin ash-calcium da yawa, taurin garin putty zai ƙaru bayan bushewa. Idan garin putty ba shi da sassauci, zai yi sauƙi a fasa shi, musamman idan aka fuskanci ƙarfin waje. Hakanan yana da alaƙa da yawan sinadarin calcium oxide a cikin garin ash.
2. Me yasa foda na putty ke yin siriri bayan an ƙara ruwa?
Ana amfani da cellulose a matsayin mai kauri da kuma mai riƙe ruwa a kan putty. Saboda thixotropy na cellulose kanta, ƙara cellulose a cikin putty foda shi ma yana haifar da thixotropy bayan ƙara ruwa a cikin putty. Wannan thixotropy yana faruwa ne sakamakon lalata tsarin da ba shi da alaƙa da foda putty. Wannan tsari yana tasowa ne a lokacin hutawa kuma yana rushewa a ƙarƙashin damuwa. Wato, danko yana raguwa yayin juyawa, kuma danko yana dawowa lokacin tsayawa cak.
3. Menene dalilin da yasa putty yake da nauyi sosai a tsarin gogewa?
A wannan yanayin, dankowar cellulose da ake amfani da ita gabaɗaya ya yi yawa. Wasu masana'antun suna amfani da cellulose 200,000 don yin putty. Putty da aka samar ta wannan hanyar yana da danko mai yawa, don haka yana jin nauyi lokacin gogewa. Adadin putty da aka ba da shawarar don bangon ciki shine kilogiram 3-5, kuma danko shine 80,000-100,000.
4. Me yasa cellulose ɗin viscosity iri ɗaya yake jin bambanci a lokacin hunturu da lokacin rani?
Saboda yanayin zafi na samfurin, ɗanɗanon putty da turmi zai ragu a hankali tare da ƙaruwar zafin jiki. Lokacin da zafin ya wuce zafin gel na samfurin, samfurin zai fito daga ruwa kuma ya rasa ɗanɗanonsa. Zafin ɗakin a lokacin rani gabaɗaya yana sama da digiri 30, wanda ya bambanta da zafin hunturu, don haka ɗanɗanon yana ƙasa. Ana ba da shawarar cewa a lokacin rani, a yi ƙoƙarin zaɓar samfurin da ke da ɗanɗanon da ya fi girma lokacin amfani da samfurin, ko kuma a ƙara yawan cellulose.
Lokacin Saƙo: Nuwamba-30-2022