Yawan Bentonite Slurry
1. Rarrabewa da Ayyukan slurry
1.1 Rarraba
Bentonite, wanda kuma aka sani da dutsen bentonite, dutsen yumbu ne mai ɗauke da kaso mai yawa na montmorillonite, wanda sau da yawa ya ƙunshi ƙaramin adadin illite, kaolinite, zeolite, feldspar, calcite, da sauransu. Daga cikin su, bentonite na tushen calcium za a iya rarraba su zuwa tushen calcium-sodium da calcium-magnesium na tushen bentonites, ma.
1.2 Aiki
1) Abubuwan Jiki
Bentonite fari ne da launin rawaya mai haske a cikin yanayi yayin da kuma ya bayyana cikin launin toka mai haske, ruwan hoda mai haske, ja mai ruwan kasa, baki, da sauransu.
2) Haɗin Sinadari
Babban abubuwan sinadaran bentonite sune silicon dioxide (SiO2), aluminum oxide (Al2O3) da ruwa (H2O). Abubuwan da ke cikin baƙin ƙarfe oxide da magnesium oxide ma yana da yawa a wasu lokuta, kuma calcium, sodium, potassium sau da yawa suna cikin bentonite a cikin abubuwan ciki daban-daban. Abubuwan da ke cikin Na2O da CaO a cikin bentonite suna haifar da bambanci akan abubuwan da ke cikin jiki da na sinadarai, har ma da fasaha na sarrafawa.
3) Abubuwan Jiki & Chemical
Bentonite ya yi fice a cikin mafi kyawun hygroscopicity, wato fadadawa bayan sha ruwa. Lambar faɗaɗawa da ta haɗa da shayar da ruwa ta kai har sau 30. Ana iya tarwatsa shi a cikin ruwa don samar da dankowar jiki, thixotropic, da mai sa mai kolloidal dakatarwa. Yana jujjuyawa mai yuwuwa da mannewa bayan haɗe shi da tarkace mai kyau kamar ruwa, slurry ko yashi. Yana da ikon ɗaukar iskar gas iri-iri, ruwaye, da sinadarai, kuma matsakaicin ƙarfin tallan na iya kaiwa sau 5 nauyinsa. Ƙasa mai bleaching acid mai aiki da ƙasa na iya ɗaukar abubuwa masu launi.
Halayen jiki da sinadarai na bentonite sun dogara ne akan nau'i da abun ciki na montmorillonite da ke cikinsa. Gabaɗaya, bentonite na tushen sodium yana da kyawawan kaddarorin jiki da sinadarai da aikin fasaha fiye da tushen calcium ko bentonite na tushen magnesium.
2. Ci gaba da Aunawa na Bentonite Slurry
TheLonnmeterlayibentoniteslurryyawamitaonline neɓangaren litattafan almara yawa mitaakai-akai amfani da masana'antu matakai. Yawan slurry yana nufin rabon nauyin slurry zuwa nauyin ƙayyadadden ƙarar ruwa. Girman slurry yawa da aka auna akan rukunin yanar gizon ya dogara da jimillar nauyin slurry da yankan rawar soja a cikin slurry. Yakamata a haɗa nauyin abubuwan haɗin gwiwa ma idan akwai.
3. Aikace-aikacen Slurry a ƙarƙashin yanayi daban-daban
Yana da wahala a haƙa rami a cikin sander, tsakuwa, yadudduka masu tsakuwa da ɓangarorin da suka karye don ƙaramin haɗin haɗin gwiwa tsakanin barbashi. Makullin matsalar ya ta'allaka ne a cikin haɓaka ƙarfin haɗin gwiwa tsakanin barbashi, kuma yana ɗaukar slurry a matsayin shingen kariya a cikin irin wannan nau'in.
3.1 Tasirin Ƙaƙƙarfan Ƙarfafawa akan Gudun Hakowa
Gudun hakowa yana raguwa tare da ƙara yawan slurry. Gudun hakowa yana raguwa sosai, musamman lokacin da yawan slurry ya fi 1.06-1.10 g/cm3. Mafi girman danko na slurry shine, ƙananan saurin hakowa.
3.2 Tasirin Abubuwan Yashi a cikin Slurry akan hakowa
Abubuwan da ke cikin tarkacen dutsen a cikin slurry na haifar da haɗari kan hakowa, yana haifar da ramukan da ba su dace ba da kuma makale daga baya. Bugu da ƙari, yana iya haifar da tsotsawa da tashin hankali, yana haifar da ɗigowa ko rugujewa. Abubuwan da ke cikin yashi yana da yawa kuma ruwan da ke cikin rami yana da kauri. Yana haifar da rugujewar bangon ramin saboda ruwa, kuma yana da sauƙi ya sa fata ta faɗo kuma ta haifar da haɗari a cikin ramin. A lokaci guda kuma, babban abin da ke cikin laka yana haifar da lalacewa mai yawa akan bututu, ɗigon ruwa, riguna na silinda na ruwa, da sandunan piston, kuma rayuwar sabis ɗin su gajeru ce. Sabili da haka, a ƙarƙashin yanayin tabbatar da ma'auni na matsin lamba, ya kamata a rage yawan slurry da yashi kamar yadda zai yiwu.
3.3 Ƙarƙashin Ƙarƙashin Ƙasa mai laushi
A cikin lallausan ƙasa mai laushi, idan slurry density ya yi ƙasa sosai ko kuma gudun haƙowa ya yi sauri, zai kai ga rushewar rami. Yawancin lokaci yana da kyau a kiyaye slurry yawa a 1.25g/cm3a cikin wannan ƙasa Layer.
4. Na kowa Slurry Formulas
Akwai nau'ikan nau'ikan injiniya, amma ana iya rarrabe su cikin nau'ikan masu zuwa bisa ga tsarin sunadarai. Hanyar rabon ta kamar haka:
4.1 Na-Cmc (Sodium Carboxymethyl Cellulose) Slurry
Wannan slurry shine slurry na yau da kullun na haɓaka danko, kuma Na-CMC yana taka rawa wajen ƙara haɓaka danko da rage asarar ruwa. Da dabara ne: 150-200g na high quality-slurry yumbu, 1000ml na ruwa, 5-10Kg na soda ash, kuma game da 6kg na Na-CMC. slurry Properties ne: yawa 1.07-1.1 g/cm3, danko 25-35s, ruwa asarar kasa da 12ml/30min, pH darajar game da 9.5.
4.2 Iron Chromium Gishiri-Na-Cmc Slurry
Wannan slurry yana da ƙarfi danko haɓakawa da kwanciyar hankali, kuma baƙin ƙarfe chromium gishiri taka rawa wajen hana flocculation (dilution). Ma'anar ita ce: 200g yumbu, 1000ml ruwa, game da 20% ƙari na tsantsa alkali bayani a 50% maida hankali, 0.5% ƙari na ferrochromium gishiri bayani a 20% maida hankali, da kuma 0.1% Na-CMC. Abubuwan slurry sune: yawa 1.10 g/cm3, danko 25s, asarar ruwa 12ml/30min, pH 9.
4.3 Lignin Sulfonate Slurry
Lignin sulfonate an samo shi ne daga ruwan sharar sulfite kuma ana amfani dashi gabaɗaya a hade tare da wakili na alkali don warware matsalar flocculation da asarar ruwa na slurry akan haɓakar danko. Da dabara ne 100-200kg yumbu, 30-40kg sulfite ɓangaren litattafan almara sharar gida ruwa, 10-20kg kwal alkali wakili, 5-10kg NaOH, 5-10kg defoamer, da 900-1000L ruwa ga 1m3 slurry. The slurry Properties ne: yawa 1.06-1.20 g / cm3, mazurari danko 18-40s, ruwa asarar 5-10ml / 30min, da 0.1-0.3kg Na-CMC za a iya kara a lokacin hakowa don kara rage ruwa asarar.
4.4 Humic Acid Slurry
Humic acid slurry yana amfani da wakilin kwal alkali ko sodium humate azaman stabilizer. Ana iya amfani da shi tare da sauran magunguna kamar Na-CMC. Da dabara don shirya humic acid slurry shine don ƙara 150-200kg coal alkali wakili (bushe nauyi), 3-5kg Na2CO3, da 900-1000L ruwa zuwa 1m3 na slurry. slurry Properties: yawa 1.03-1.20 g/cm3, ruwa asarar 4-10ml/30min, pH 9.
Lokacin aikawa: Fabrairu-12-2025
