Foda na VAE Foda na VAE RDP (Redispersible) ana amfani da su a masana'antar gini. Ana ƙara shi a cikin samfuran da aka yi da siminti kamar manne na tayal, mahaɗan daidaita kai da tsarin rufin bango na waje don inganta halaye kamar iya aiki, mannewa da sassauci. Girman barbashi, yawan yawa da danko na foda na RD polymer sune mahimman sigogi waɗanda ke shafar aikinsu a cikin waɗannan aikace-aikacen. Wannan labarin zai mayar da hankali kan hanyar gwajin danko na foda na VAE polymer RD.
An bayyana danko a matsayin ma'aunin juriyar ruwa ga kwarara. Ga foda na VAE da foda na polymer RD, danko muhimmin siga ne da ke shafar ruwa da kuma iya aiki na cakuda siminti. Mafi girman danko, haka nan yake da wahala ga foda ya gauraya da ruwa, wanda ke haifar da dunkulewa da kuma wargajewar da ba ta cika ba. Saboda haka, yana da matukar muhimmanci a kiyaye matakin danko na foda na polymer RD don cimma daidaiton ingancin samfurin ƙarshe.
Ana gudanar da hanyar gwajin danko don foda VAE foda RD polymer ta amfani da na'urar auna juyawa. Na'urar auna juyawa tana auna karfin juyi da ake buƙata don juya sandar a cikin samfurin foda polymer da aka rataye a cikin ruwa. Na'urar tana juyawa a wani takamaiman gudu kuma ana auna karfin juyi a cikin centipoise (cP). Sannan ana ƙididdige danko na foda polymer bisa ga karfin juyi da ake buƙata don juya sandar.
Matakan da ke ƙasa suna bayyana hanyar da za a bi don gwajin Viscosity na VAE Powder RD Polymer Powder.
1. Shirya samfurin: Ɗauki samfurin foda na RD polymer kuma a auna zuwa mafi kusa 0.1 g. A mayar da samfurin zuwa akwati mai tsabta, busasshe kuma mai laushi. A rubuta nauyin akwati da samfurin.
2. A watsa foda na polymer: A watsa foda na polymer a cikin ruwa bisa ga umarnin masana'anta. Yawanci, ana haɗa foda na polymer da ruwa ta amfani da mahaɗin mai sauri. A haɗa foda na polymer da ruwa na akalla mintuna 5 ko har sai an sami cakuda iri ɗaya. Ya kamata saurin haɗuwa da tsawon lokacin da aka ɗauka ya kasance daidai a duk lokacin gwajin.
3. Ma'aunin danko: yi amfani da na'urar auna juyawa don auna danko na dakatarwar foda ta polymer. Ya kamata a zaɓi girman da saurin sandar bisa ga danko da ake tsammani na foda ta polymer. Misali, idan ana tsammanin ƙarancin danko, yi amfani da ƙaramin girman sandar da kuma mafi girman RPM. Idan ana tsammanin ƙarin danko, yi amfani da babban girman sandar da ƙaramin gudu.
4. Daidaitawa: Kafin a yi ma'auni, a daidaita na'urar auna sifili bisa ga umarnin masana'anta. Wannan ya haɗa da saita sifili da daidaita ta da mafita na yau da kullun na ɗanko da aka sani.
5. Auna karfin juyi: Sanya rotor a cikin dakatarwar foda ta polymer har sai ta nutse gaba daya. Kada sandar ta taɓa ƙasan akwati. Fara juya sandar kuma jira karatun karfin juyi ya daidaita. Yi rikodin karfin juyi a cikin centipoise (cP).
6. Kwafi: An ɗauki aƙalla ma'auni guda uku don kowane samfurin kuma an ƙididdige matsakaicin ɗanko.
7. Tsaftacewa: Bayan an gama aunawa, a tsaftace rotor da akwati sosai da ruwa da sabulun wanki. A kurkure da ruwan da aka tace sannan a busar da shi a hankali.
Dankowar foda na RD polymer yana shafar abubuwa da dama, ciki har da zafin jiki, pH da yawan aiki. Saboda haka, yana da matukar muhimmanci a auna danko a ƙarƙashin yanayi na yau da kullun. Haka kuma, ya kamata a ɗauki ma'aunin danko akai-akai don tabbatar da daidaiton aikin foda na RD polymer.
A taƙaice, hanyar gwajin danko na foda VAE foda RD polymer gwaji ne mai mahimmanci don tantance ruwa da kuma iya aiki na samfuran da aka yi da siminti. Ya kamata a yi gwaji ta amfani da kayan aiki da hanyoyin da aka tsara don samun sakamako masu inganci da kuma sake samarwa. Ya kamata a yi auna danko lokaci-lokaci don tabbatar da ingancin foda RD polymer.
Lokacin Saƙo: Yuni-25-2023