CMC a cikin Glaze Slurry

Babban fale-falen fale-falen glazed shine glaze, wanda shine Layer na fata akan fale-falen, wanda ke da tasirin juya duwatsu zuwa zinari, yana baiwa masu fasahar yumbu damar yin alamu masu haske a saman. A cikin samar da fale-falen fale-falen buraka, dole ne a bi tsarin aikin barga na glaze slurry, don cimma yawan amfanin ƙasa da inganci. Babban alamun aikin aikin sa sun haɗa da danko, ruwa, watsawa, dakatarwa, haɗin kai-glaze da santsi. A cikin ainihin samarwa, muna saduwa da bukatun samar da mu ta hanyar daidaita ma'auni na kayan albarkatun yumbura da kuma ƙara kayan taimako na sinadarai, mafi mahimmancin su shine: CMC carboxymethyl cellulose da yumbu don daidaita danko, saurin tarin ruwa da ruwa, daga cikinsu CMC kuma yana da wani sakamako mai raguwa. Sodium tripolyphosphate da ruwa degumming wakili PC67 suna da ayyuka na tarwatsawa da decondensing, da kuma preservative shi ne ya kashe kwayoyin cuta da microorganisms don kare methyl cellulose. A cikin dogon lokaci ajiya na glaze slurry, da ions a cikin glaze slurry da ruwa ko methyl form insoluble abubuwa da thixotropy, da kuma methyl kungiyar a cikin glaze slurry kasa da ya kwarara kudi. Wannan labarin yafi tattauna yadda za a tsawaita methyl Lokacin da ya dace don daidaita aikin aikin glaze slurry yana shafar methyl CMC, yawan ruwan da ke shiga kwallon, adadin kaolin da aka wanke a cikin dabara, tsarin sarrafawa, da kuma tsayayyiya.

1. Sakamakon ƙungiyar methyl (CMC) akan kaddarorin slurry glaze

Carboxymethyl cellulose CMCwani fili ne na polyanionic tare da solubility na ruwa mai kyau da aka samu bayan gyare-gyaren sinadarai na filaye na halitta (alkali cellulose da etherification wakili chloroacetic acid), kuma shi ma wani polymer polymer. Ainihin amfani da kaddarorin sa na haɗin gwiwa, riƙewar ruwa, tarwatsewar dakatarwa, da ƙonawa don sanya glaze ɗin ya zama santsi da ƙima. Akwai buƙatu daban-daban don danko na CMC, kuma an raba shi zuwa manyan, matsakaici, ƙananan, da ƙananan danko. Ƙungiyoyin methyl masu girma da ƙananan danko ana samun su ne ta hanyar daidaita lalata cellulose-wato, karya sarƙoƙi na kwayoyin halitta. Mafi mahimmancin tasiri yana haifar da iskar oxygen a cikin iska. Mahimman yanayin amsawa don shirya babban danko CMC sune shingen oxygen, nitrogen flushing, sanyaya da daskarewa, ƙara wakili mai haɗawa da rarrabawa. Dangane da lura da Tsarin 1, Tsarin 2, da Tsarin 3, ana iya gano cewa ko da yake danko na rukunin methyl mai ƙarancin danko ya yi ƙasa da na ƙungiyar methyl mai ƙarfi, kwanciyar hankali na glaze slurry shine. fiye da na ƙungiyar methyl mai girma. Dangane da jiha, ƙungiyar methyl mai ƙarancin danko ta fi oxidized fiye da ƙungiyar methyl mai girma-danko kuma tana da guntun sarkar kwayoyin halitta. Bisa ga ra'ayi na karuwar entropy, yana da kwanciyar hankali fiye da ƙungiyar methyl mai girma. Sabili da haka, don biyan kwanciyar hankali na dabara, za ku iya ƙoƙarin ƙara yawan ƙananan ƙungiyoyi na methyl, sa'an nan kuma amfani da CMC guda biyu don daidaita yawan adadin kuzari, guje wa manyan canje-canje a cikin samarwa saboda rashin kwanciyar hankali na CMC guda ɗaya.

2. Sakamakon adadin ruwan da ke shiga ƙwallon ƙwallon akan aikin slurry na glaze

Ruwa a cikin tsarin glaze ya bambanta saboda matakai daban-daban. Dangane da kewayon gram 38-45 na ruwa da aka ƙara zuwa gram 100 na busassun busassun, ruwan zai iya shafan slurry barbashi kuma yana taimakawa wajen niƙa, kuma yana iya rage thixotropy na glaze slurry. Bayan lura da Tsarin 3 da Tsarin 9, zamu iya gano cewa ko da yake saurin gazawar rukunin methyl ba zai shafi adadin ruwa ba, wanda ke da ƙarancin ruwa ya fi sauƙi don adanawa kuma yana da wuyar samun hazo yayin amfani da ajiya. Saboda haka, a cikin ainihin samar da mu, za a iya sarrafa yawan ruwa ta hanyar rage yawan ruwa da ke shiga cikin ƙwallon. Don tsarin feshin glaze, ana iya ɗaukar takamaiman nauyi da samar da ƙimar ƙimar girma, amma lokacin fuskantar glaze na feshi, muna buƙatar ƙara adadin methyl da ruwa daidai. Ana amfani da danko na glaze don tabbatar da cewa glaze yana da santsi ba tare da foda ba bayan fesa glaze.

3. Tasirin Abun Kaolin akan Glaze Slurry Properties

Kaolin ma'adinai ne na kowa. Babban abubuwan da ke tattare da shi shine ma'adinan kaolinite da ƙaramin adadin montmorillonite, mica, chlorite, feldspar, da sauransu. Ana amfani da shi gabaɗaya azaman wakili mai dakatarwa na inorganic da kuma shigar da alumina a cikin glazes. Dangane da tsarin glazing, yana canzawa tsakanin 7-15%. Ta hanyar kwatanta makirci na 3 tare da makirci na 4, za mu iya gano cewa tare da karuwar abun ciki na kaolin, yawan adadin glaze slurry yana ƙaruwa kuma ba shi da sauƙin daidaitawa. Wannan saboda danko yana da alaƙa da abun da ke cikin ma'adinai, girman barbashi da nau'in cation a cikin laka. Gabaɗaya magana, mafi yawan abubuwan montmorillonite, mafi kyawun ɓangarorin, mafi girman danko, kuma ba zai gaza ba saboda yashwar ƙwayoyin cuta, don haka ba shi da sauƙi a canza akan lokaci. Sabili da haka, don glazes waɗanda ke buƙatar adana na dogon lokaci, ya kamata mu ƙara abun ciki na kaolin.

4. Sakamakon lokacin niƙa

Tsarin murƙushe ƙwallon ƙwallon zai haifar da lalacewar injina, dumama, hydrolysis da sauran lalacewar CMC. Ta hanyar kwatanta makirci na 3, makirci 5 da makirci 7, za mu iya samun cewa ko da yake farkon danko na makirci 5 yana da ƙananan saboda mummunar lalacewa ga ƙungiyar methyl saboda tsawon lokacin milling ball, an rage fineness saboda kayan. irin su kaolin da talc (mafi kyawun mafi kyawun, Ƙarfin ionic ƙarfi, mafi girman danko) yana da sauƙin adanawa na dogon lokaci kuma ba sauƙin haɗewa ba. Ko da yake an ƙara ƙari a lokacin ƙarshe a cikin shirin 7, kodayake danko yana haɓaka girma, gazawar kuma yana da sauri. Wannan shi ne saboda tsawon sarkar kwayoyin halitta, da sauƙin samun rukunin methyl Oxygen ya rasa aikinsa. Bugu da ƙari, saboda ƙarancin milling na ƙwallon ƙwallon yana da ƙasa saboda ba a ƙara shi ba kafin trimerization, ingancin slurry yana da girma kuma ƙarfin da ke tsakanin sassan kaolin yana da rauni, don haka slurry na glaze ya zauna da sauri.

5. Tasirin abubuwan kiyayewa

Ta hanyar kwatanta Gwaji na 3 tare da Gwaji na 6, slurry mai walƙiya da aka ƙara tare da masu kiyayewa zai iya kula da danko ba tare da raguwa na dogon lokaci ba. Wannan shi ne saboda babban albarkatun kasa na CMC ne mai ladabi auduga, wanda shi ne Organic polymer fili, da kuma glycosidic bond tsarin ne in mun gwada da karfi a karkashin aikin nazarin halittu enzymes Sauki zuwa hydrolyze, da macromolecular sarkar na CMC za a irreversibly karya don samar da glucose. kwayoyin halitta daya bayan daya. Yana ba da tushen makamashi don ƙananan ƙwayoyin cuta kuma yana ba da damar ƙwayoyin cuta su haifuwa da sauri. Ana iya amfani da CMC azaman stabilizer na dakatarwa bisa babban nauyinsa na kwayoyin halitta, don haka bayan an lalatar da shi, tasirin kauri na zahiri shima yana ɓacewa. Hanyar aiwatar da abubuwan kiyayewa don sarrafa rayuwar ƙwayoyin cuta yana bayyana ne ta fuskar rashin kunnawa. Da fari dai, yana tsoma baki tare da enzymes na microorganisms, yana lalata metabolism na al'ada, kuma yana hana ayyukan enzymes; Abu na biyu, yana daidaitawa da kuma hana sunadaran sunadaran ƙwayoyin cuta, yana tsoma baki tare da rayuwa da haifuwa; Abu na uku, rashin daidaituwa na mulrane na Plasma yana hana kawar da metabolmesism na enzymes a cikin jikin mutum, wanda ya haifar da rashin daidaitawa da canji. A cikin aiwatar da amfani da abubuwan kiyayewa, za mu ga cewa tasirin zai raunana a tsawon lokaci. Baya ga tasirin ingancin samfur, muna kuma buƙatar yin la'akari da dalilin da yasa ƙwayoyin cuta suka haɓaka juriya ga abubuwan da aka ƙara na dogon lokaci ta hanyar kiwo da tantancewa. , don haka a cikin ainihin tsarin samar da kayan aiki ya kamata mu maye gurbin nau'o'in nau'i na masu kiyayewa na wani lokaci.

6. Tasirin tsarewar da aka rufe na slurry na glaze

Akwai manyan hanyoyi guda biyu na gazawar CMC. Daya shine oxidation wanda ke haifar da hulɗa da iska, ɗayan kuma yashwar ƙwayoyin cuta ne ta hanyar fallasa. Ruwan ruwa da dakatarwar madara da abubuwan sha waɗanda muke iya gani a cikin rayuwarmu kuma suna daidaitawa ta hanyar trimerization da CMC. Yawancin lokaci suna da rayuwar rayuwa na kusan shekara 1, kuma mafi munin shine watanni 3-6. Babban dalilin shine amfani da rashin kunnawa Haifuwa da fasahar adana hatimi, ana hasashen cewa glaze ya kamata a rufe kuma a adana shi. Ta hanyar kwatanta Tsarin 8 da Tsarin 9, za mu iya gano cewa glaze da aka adana a cikin ajiyar iska na iya kiyaye aikin kwanciyar hankali na tsawon lokaci ba tare da hazo ba. Kodayake ma'aunin yana haifar da fallasa zuwa iska, bai dace da tsammanin ba, amma har yanzu yana da ɗan gajeren lokacin ajiya. Wannan shi ne saboda ta hanyar glaze da aka adana a cikin jakar da aka rufe yana keɓance lalacewar iska da kwayoyin cuta kuma yana tsawaita rayuwar methyl.

7. Tasirin rashin ƙarfi akan CMC

Staleness wani muhimmin tsari ne a cikin samar da glaze. Babban aikinsa shi ne sanya abun da ke ciki ya zama daidai, cire iskar gas mai yawa da kuma lalata wasu kwayoyin halitta, ta yadda glaze surface ya zama mai santsi yayin amfani ba tare da pinholes, concave glaze da sauran lahani ba. Ana sake haɗa filayen polymer na CMC da aka lalata yayin aikin niƙa ƙwallon kuma ana ƙara yawan kwarara. Don haka, ya zama dole a tsaya na wani lokaci, amma rashin dogon lokaci zai haifar da haifuwa na microbial da gazawar CMC, wanda zai haifar da raguwar kwararar ruwa da karuwar gas, don haka muna buƙatar samun daidaito a cikin sharuddan. na lokaci, kullum 48-72 hours, da dai sauransu Yana da kyau a yi amfani da glaze slurry . A ainihin samar da wata masana'anta, saboda amfani da glaze ya ragu, ana sarrafa ruwan motsa jiki ta hanyar kwamfuta, kuma ana ƙara adana glaze na minti 30. Babban ka'ida ita ce raunana hydrolysis da CMC ke haifar da motsawa da dumama da haɓakar zafin jiki ƙwayoyin ƙwayoyin cuta suna ninka, ta haka ne ke tsawaita samuwar ƙungiyoyin methyl.