1. Matsalolin da aka saba fuskanta a cikin foda na putty
Busarwa da sauri: Wannan ya faru ne saboda yawan sinadarin calcium da aka ƙara a cikin lemun tsami (ya yi yawa sosai, adadin sinadarin calcium powder da aka yi amfani da shi a cikin tsarin 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.
Bare a naɗe. Wannan yana da alaƙa da yawan riƙe ruwa, wanda yake da sauƙin faruwa idan ɗanɗanon cellulose ya yi ƙasa ko kuma adadin ƙarin ya yi ƙasa.
Rage sinadarin foda a bango: Wannan yana da alaƙa da adadin sinadarin calcium da aka ƙara a cikin foda (adadin sinadarin calcium a cikin foda a cikin foda ash ya yi ƙanƙanta ko kuma tsarkin foda ash ya yi ƙasa sosai, kuma ya kamata a ƙara yawan sinadarin calcium a cikin foda ash yadda ya kamata) A lokaci guda, yana kuma da alaƙa da adadin da ingancin cellulose, wanda ke nuna ƙimar riƙe ruwa na samfurin. Yawan riƙe ruwa yana da ƙasa, kuma lokacin da ake amfani da foda ash (ƙarfe a cikin foda ash ash ba a canza shi gaba ɗaya zuwa calcium hydroxide ba) bai isa ba.
Kumburi: Wannan yana da alaƙa da bushewar danshi da kuma faɗin bangon, kuma yana da alaƙa da ginin.
Alamun da ke bayyana. Wannan yana da alaƙa da cellulose, wanda ke da mummunan halayen samar da fim. A lokaci guda, ƙazanta a cikin cellulose yana amsawa kaɗan da sinadarin 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.
Bayyanar ramuka da ramukan rami: Wannan a bayyane yake yana da alaƙa da tashin hankalin saman ruwa na ruwan hydroxypropyl methylcellulose. Tashin hankalin teburin ruwa na ruwan hydroxyethyl ba a bayyane yake ba. Zai yi kyau a yi maganin gamawa.
Bayan putty ya bushe, yana da sauƙin fashewa da kuma canza launin rawaya: wannan yana da alaƙa da ƙara yawan sinadarin calcium ash. Idan adadin sinadarin calcium ash ya yi yawa, taurin foda zai ƙaru bayan bushewa. Taurin kawai ba tare da sassauci ba zai iya fashewa cikin sauƙi, musamman yana da sauƙin fashewa idan aka fuskanci ƙarfin waje. Hakanan yana da alaƙa da yawan sinadarin calcium oxide a cikin foda sinadarin calcium 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 cikin 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 ta hanyar lalata tsarin haɗin da aka haɗa na abubuwan da ke cikin putty foda. Wannan tsari yana tasowa a lokacin hutawa kuma yana rushewa a ƙarƙashin damuwa. Wato, viscosity yana raguwa yayin motsawa, kuma viscosity 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 zaɓar samfurin da ke da ɗanɗanon da ya fi girma lokacin amfani da samfurin a lokacin rani, ko don ƙara yawan cellulose, da kuma zaɓar samfurin da ke da zafin gel mafi girma. Yi ƙoƙarin kada a yi amfani da methyl cellulose a lokacin rani. Zafin gel ɗin yana tsakanin digiri 55, zafin jiki ya ɗan fi girma, kuma ɗanɗanonsa zai yi tasiri sosai.
Lokacin Saƙo: Afrilu-13-2023