Umgaqo wokucoca umhlaba we-diatomaceous
Iiwayini kunye neziselo ezihluzwe ngomhlaba we-diatomaceous zinencasa efanayo, azinatyhefu, azinazo izinto ezixhonyiweyo okanye ezirhangqiweyo, zicacile kwaye ziyabonakala, zihluzwa kakhulu, zihlala kwindawo encinci, zikhaphukhaphu, kwaye kulula ukuzihambisa. Iiparamitha zolawulo eziphambili zizinto zegobolondo, uxinzelelo lokusebenza kwegobolondo, ububanzi, idosi yokongeza, kunye namandla okuhlamba umva.
Ubukhulu be-membrane yesihluzo budla ngokuba yi-2-3mm, kwaye ubukhulu be-particle yomhlaba we-diatomaceous yi-1-10 μ M. Emva kokuhluza, sebenzisa amanzi rhoqo, umoya ocinezelweyo, okanye zombini ukuhlamba umva. Iingenelo zokuhluza ngaphandle kweengcango kukusebenza kakuhle konyango, amanzi amancinci okuhlanjwa (ngaphantsi kwe-1% yamanzi okuvelisa), kunye nonyawo oluncinci (ngaphantsi kwe-10% yendawo yesihluzo sesanti eqhelekileyo). Xa kuthelekiswa nesihluzo sekhekhe sekotoni esidala, sineengenelo ezicacileyo: ukonga amandla angama-92%, ukulahleka kwewayini ngama-90%, ukonga iindleko zezixhobo ezingama-2/3, kunye nabasebenzi bokuvelisa abancitshiswa ngama-3/4. Ngoko ke yintoni umgaqo osemva kokusetyenziswa kwayo?
Umgaqo wokucoca umhlaba we-diatomaceous kukucoca ulwelo. Phantsi kwesenzo soxinzelelo lwepompo, lungena kwigumbi lokuqokelela ngokusebenzisa i-pre coating. Amasuntswana kunye neepolymers ziyabanjwa kwi-pre coating, kwaye ulwelo olucacisiweyo lungena kwigumbi lokuqokelela kwaye luphuma kwisikhongozeli nge-axis ephakathi. Isihluzo siqulathe isikrini sesihluzo, isikrini sokuxhasa, kunye nesakhelo sangaphandle. Into nganye yesihluzo yityhubhu enemingxunya efana ne-skeleton, isongelwe ngocingo lwesinyithi kwaye igqunywe nge-diatomaceous earth coating phezu komphezulu. Into yesihluzo inamathele kwi-diaphragm, kwaye iindawo eziphezulu nezisezantsi ze-diaphragm yigumbi lamanzi aluhlaza kunye negumbi lamanzi elicociweyo. Umjikelo wonke wokucoca wahlulwe ngamanyathelo amathathu: ukubeka i-membrane, ukucoca, kunye nokuhlamba i-backwashing.
Ixabiso eliphantsi lokuhluza umhlaba nge-diatomaceous: ukusetyenziswa kwamanzi: ukusetyenziswa kwamanzi okuhlamba umva yi-1/10 yaleyo yezihluzi zesanti; Ukusetyenziswa kwamandla: Umthwalo wamandla uwonke wegumbi lomatshini eliguqulwayo le-A-1 umalunga ne-3/5 kuphela yomthwalo wamandla uwonke wegumbi lomatshini wenkqubo yokucoca isilinda yesanti yendabuko; Umthamo: Ngexesha lokucoca, kufuneka kongezwe kwigumbi lomatshini lohlobo lwe-A-1, kunye nomthamo we-0.2kg ngemitha yesikwere yendawo yokucoca ngomjikelo wokucoca.
Kwindlela yokuhluza umhlaba we-diatomaceous, umhlaba we-diatomaceous ngokwawo unemingxuma emininzi emincinci yendalo, kwaye imingxunya engahambelaniyo kwi-filter layer inde kwaye isasazeke kakhulu kulo lonke i-cake layer, enokufunxa kwaye ikwazi ukwamkela amasuntswana amancinci, ngaloo ndlela iphucula umgangatho wokuhluza. Ukucoca kuqulathe amacandelo amabini: ukuhluza kunye nokufunxa. Xa isebenza, i-diatomaceous earth yahlulwe yaba yi-pre coating kunye ne-filter layer efunxa kwilaphu lesihluzo ngaphandle kwesihluzo, yenze i-filter cake layer engacinezekiyo enemingxuma emininzi eyinkimbinkimbi nedibeneyo. Ngexesha lokuhluza, ukungcola okukhulu kwi-filtrate kubambeke kumphezulu wangaphandle we-filter cake layer ngenxa yokungakwazi ukudlula kwi-filter cake pores ezincinci, ezibizwa ngokuba yi-screening process. Iisuntswana ezincinci zingena kwi-filter cake layer kwaye zifunxa kwaye zithintelwe kwi-curved and concentrated pores, ezibizwa ngokuba yi-adsorption process. Ukuze kufunyanwe isisombululo esicacileyo sokungena. Xa uxinzelelo lokuhluza lwe-filter lusanda, kubonisa ukuba eminye yemingxuma yesihluzo kwi-filter layer ivaliwe. Ngeli xesha, umaleko omtsha wesihluzo wenziwa ngokongeza umhlaba we-diatomaceous kumatshini wesihluzo ukuze kuqhubeke nokuhluzwa. Xa uninzi lweembobo ezikumaleko wekhekhe lesihluzo zivaliwe kwaye izinga lokuhluzwa liyancipha, susa ikhekhe lesihluzo, ugqume umaleko omtsha wekhekhe lesihluzo kwangaphambili, uze uhluze. Xa ujonga ukuhluzwa kweekhekhe zesihluzo ezahlulwe zaba ziingqimba ezigqunywe kwangaphambili kunye nezihluzi, kunokubonwa ukuba uninzi lokungcola luhluzwa ngokuhluzwa kwaye luvaleleke ngaphandle kweengqimba zesihluzo, kwaye zimbalwa kakhulu izinto ezingcolileyo ezifakwe ngaphakathi kweengqimba.