Polyaluminum chloride:PAC a takaice, wanda kuma aka sani da ainihin aluminum chloride ko hydroxyl aluminum chloride.
Ka'ida:ta hanyar hydrolysis samfurin na polyaluminum chloride ko polyaluminum chloride, da colloidal hazo a cikin najasa ko sludge ne da sauri kafa, wanda yake da sauki raba manyan barbashi na hazo.Ayyuka:Bayyanar da aikin PAC yana da alaƙa da alkalinity, hanyar shirye-shirye, ƙayyadaddun ƙazanta da abun ciki na alumina.
1, lokacin da alkalinity na tsarki ruwa polyaluminum chloride ne a cikin kewayon 40% ~ 60%, shi ne wani haske rawaya m ruwa.Lokacin da alkalinity ya fi 60%, sannu a hankali ya zama ruwa mai haske mara launi.
2, lokacin da alkalinity ya kasa da 30%, m polyaluminum chloride ruwan tabarau ne.
3, lokacin da alkalinity ke cikin kewayon 30% ~ 60%, kayan colloidal ne.
4, lokacin da alkalinity ya fi 60%, a hankali ya zama gilashi ko resin. Solid polyaluminum chloride da aka yi da bauxite ko yumbu mai ma'adinai shine rawaya ko launin ruwan kasa.
Misalin samfur
Rarraba gama gari
22-24% abun ciki:ganga bushewa tsari samar, ba tare da farantin karfe da frame tacewa, ruwa insoluble abu ne mafi girma, shi ne na yanzu kasuwar farashin kayayyakin masana'antu, yafi amfani da masana'antu sharar gida magani.
26% abun ciki:Drum bushewa tsari samar, ba tare da farantin karfe da firam tacewa, ruwa insoluble abu ne m fiye da 22-24%, wannan samfurin ne kasa misali na masana'antu sa, farashin ne dan kadan mafi girma, yafi amfani a masana'antu sharar gida magani.
28% abun ciki:wannan yana da nau'i biyu na aiwatar da bushewar drum da bushewa mai bushewa, ruwa ta hanyar tace firam ɗin farantin, ruwa mara narkewa fiye da ƙananan ƙananan biyu na farko, na samfuran samfuran PAC masu girma, ana iya amfani da su don ƙarancin turbidity najasa magani da famfo ruwa shuka pretreatment.
30% abun ciki:akwai bushewar ganga iri biyu da bushewar feshi, uwar ruwa ta hanyar tacewa ta faranti, na cikin samfuran PAC masu daraja, galibi ana amfani da su a cikin injin famfo da ƙarancin turbidity na kula da ruwan gida.
32% abun ciki:Ana yin wannan ta hanyar bushewar feshi, ya bambanta da sauran samfuran, wannan bayyanar PAC fari ce, mai tsabta ce wacce ba ta ƙarfe polyaluminum chloride ba, galibi ana amfani da ita a masana'antar sinadarai masu kyau da masana'antar kayan kwalliya, suna cikin matakin abinci.
Polyacrylamide:mai suna PA M, wanda aka fi sani da flocculant ko coagulant
Ka'ida:Sarkar kwayoyin PAM da tarwatsewar lokaci ta hanyar nau'ikan injina, na zahiri, sinadarai da sauran tasirin, lokacin da aka tarwatsa sun haɗu tare, samar da hanyar sadarwa, don haka haɓaka rawar.
Ayyuka:PAM shine farin foda, mai narkewa a cikin ruwa, kusan wanda ba a iya narkewa a cikin benzene, ether, lipids, acetone da sauran abubuwan kaushi na kwayoyin halitta, polyacrylamide aqueous bayani kusan ruwa ne mai haske, kaya ne mara haɗari, mara guba, mara lahani, mai ƙarfi. PAM yana da hygroscopicity, hygroscopicity yana ƙaruwa tare da haɓakar digiri na ionic.
Misalin samfur
Rarraba gama gari
PAM bisa ga halayen sa na ƙungiyar da za a raba ta raba zuwa polyacrylamide anionic, polyacrylamide cationic da polyacrylamide marasa ionic.Ionic polyacrylamide.
PAM mai magana:sludge mai kunnawa wanda aka samar ta hanyar biochemical
Anionic PAM:najasa da sludge tare da tabbataccen cajin, kamar karfe shuka, electroplating shuka, karfe, kwal wanke, kura da sauran najasa, suna da sakamako mafi kyau.
Nonionic PAM:don cationic da anionic suna da tasiri mai kyau, amma farashin naúrar yana da tsada sosai, galibi ba a saba amfani da shi ba
Dukansu sun kara don amfani da umarni
Mene ne flocculation? Bayan ƙara coagulant a cikin danyen ruwa, da cikakken cakude da ruwa, mafi yawan colloid najasa a cikin ruwa rasa kwanciyar hankali, da kuma m colloid barbashi karo da condense da juna a cikin flocculation pool, sa'an nan kuma samar da floc da za a iya cire ta hanyar hazo.
Abubuwan da ke tasiri na flocculation
Tsarin girma na floc shine tsarin lamba da karo na ƙananan ƙwayoyin cuta.
Ingancin tasirin flocculation ya dogara da abubuwa biyu masu zuwa:
1 ikon hadaddun polymer wanda aka kirkira ta hanyar coagulant hydrolysis don samar da gadar firam ɗin adsorption, wanda aka ƙaddara ta kaddarorin coagulant.
2 yiwuwar haɗuwa da ƙananan ƙwayoyin cuta da kuma yadda za a sarrafa su don haɗari mai dacewa da tasiri.Cibiyoyin aikin injiniya na ruwa sun yi imanin cewa don ƙara yawan haɗarin haɗari, dole ne a ƙara yawan saurin gudu, kuma dole ne a yi amfani da makamashi na ruwa. ya karu ta hanyar kara saurin gudu, wato kara saurin kwararar tafkin ruwa (addim: idan barbashi ya taru kuma ya yi saurin girma a cikin flokkula, za a halaka su. Akwai matsaloli guda biyu: 1 floc girma da sauri da sauri karfinsa ya kasance. rauni, a cikin kwarara tsari ci karo da karfi karfi zai sa adsorption frame gada da aka yanke, da yanke adsorption frame gada da wuya a ci gaba da sama, don haka da flocculation tsari ne kuma iyaka tsari, tare da girma na floc, ya kwarara gudun kamata. a rage, sabõda haka, kafa floc ba sauki a karya; yuwuwar an rage raguwa sosai, yana da wahala a sake girma, waɗannan barbashi ba za su iya ba kawai don tankin tanki ba, yana da wahala a riƙe don tacewa.)
Ƙara buƙatun
A cikin matakin farko na amsawar ƙara coagulant, wajibi ne don ƙara yawan damar yin hulɗa tare da najasa kamar yadda zai yiwu, ƙara yawan haɗuwa ko kwarara. nadawa farantin ƙara gudun, sabõda haka, da ruwa barbashi karo karo damar ƙara, sabõda haka, da floc condensation.Kuma zuwa ga marigayi dauki, domin ya rage gudun gradient, iya samun mafi flocculation, hazo sakamako.
Ƙara kayan aiki:kwandon magani, tankin ajiya na miyagun ƙwayoyi, juzu'i mai ɗaukar nauyi, famfo mai allura da kayan awo.Sanye take da amfani da hanyoyin
PAC, PAM rarraba maida hankali (wanda aka fitar daga jakar marufi na miyagun ƙwayoyi kuma an ƙara shi zuwa tanki na rushewa) PAC da PAM rarraba taro Dangane da gogewa: PAC narkar da wuraren shakatawa na 5% -10%, PAM maida hankali na 0.1% -0.3%, da sama data bisa ga ingancin, wato, kowane cubic ruwa PAC 50-100kg, PAM 1-3kg.This maida hankali ne in mun gwada da high, PAM rushe iya aiki yana da iyaka, bukatar zuga cikakken stirring matsakaici gudun zuwa gaba daya narkar da.A lokacin rani, PAM rushe taro za a iya da kyau ƙara zuwa 0.3-0.5% Ɗauki PAC narke taro na 10%, PAM rushe taro na 0.5%, sa'an nan kowane cubic ruwa narkar da PAC100kg, PAM5kg, daidaita diaphragm kwarara mita famfo kwarara, bisa ga 1 cubic mita Lissafin sa'o'i 24, wato, Q = 42 lita / awa, na iya cimma kyakkyawan tasirin maganin najasa.PAC, PAM wakili na maganin najasa (narkar da shi a cikin asalin ruwa) Matsakaicin maganin najasa shine gabaɗaya PAC 50-100ppm, PAM 2-5ppm, rukunin ppm shine miliyan ɗaya, don haka an canza shi zuwa gram 50-100 na PAC kowace ton na najasa, 2-5 grams na PAM, ana ba da shawarar cewa gabaɗaya bisa ga wannan gwajin gwajin.Idan ƙarfin jiyya na najasa na yau da kullun shine mita cubic 2000, ƙaddamar da adadin PAC bisa ga 50ppm, PAM sashi maida hankali bisa ga lissafin 2ppm, to, kowace rana PAC sashi ne. 100kg, PAM sashi shine 4kg. An ƙididdige yawan adadin da ke sama bisa ga kwarewa na gaba ɗaya, ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ruwa ya kamata su dogara ne akan gwajin ingancin ruwa.Yi ƙididdige ƙimar da aka saita a cikin mitar kwararar famfo dosing
Bayan ƙara wakili zuwa najasa ko sludge, ya kamata a hade shi da kyau.Lokacin hadawa gabaɗaya shine 10-30 seconds, gabaɗaya baya wuce mintuna 2.Ƙayyadaddun ƙayyadaddun ƙayyadaddun wakili da ƙaddamar da ƙwayoyin colloidal, dakatar da daskararru a cikin najasa ko sludge, yanayi da kayan aikin magani suna da dangantaka mai kyau, sludge jiyya sashi zuwa wasu, mafi kyawun sashi ana samun su ta hanyar babban adadin gwaje-gwaje. mafi kyawun ƙwayar ƙwayar ƙwayar cuta (ppm1 don ƙara ƙaddamarwa) da ruwa mai gudana (t / h) da kuma daidaitawar ƙaddamarwar maganin (ppm2 shirye-shiryen ƙaddamarwa), za'a iya ƙididdige shi akan ƙimar nunin famfo mai motsi na dosing (LPM). dosing famfo flowmeter (LPM) = ruwa kwarara (t / h) / 60 × PPM1 don ƙara maida hankali / PPM2 shiri maida hankali.
Lura: ppm shine miliyan ɗaya; raka'a ƙimar ƙimar famfo famfo, LPM shine lita/minti;GPM gallons/minti
Lokacin aikawa: Fabrairu-19-2024
