Bugawa da rini kayan aikin gyaran ruwa

Kayan aikin bugu da rinian tsara shi ne da haɓakawa don bugu da rini da ruwa tare da babban chromaticity da wahala a canza launin, da babban COD, wanda zai iya magance matsalolin fasaha yadda yakamata a cikin bugu na baya da rini.Za'a iya fitar da ruwan sharar bugu da rini har zuwa daidaitattun bayan jiyya.

Ingancin ruwa na bugu da rini na ruwa ya bambanta dangane da nau'in fiber da ake amfani da shi da fasahar sarrafa shi, kuma abubuwan da ke gurbata muhalli sun bambanta sosai.Fitar da bugu da kuma ba da sharar sharar gida yana da sifofin babban taro, abubuwa da yawa, abubuwan guba da kuma masu cutarwa.Gabaɗaya, ƙimar pH na bugu da rini na ruwa shine 6-10, CODCr shine 400-1000mg/L, BOD5 shine 100-400mg/L, SS shine 100-200mg/L, kuma chromaticity shine sau 100-400.

Amma lokacin da tsarin bugu da rini, nau'ikan zaruruwan da ake amfani da su, da fasahar sarrafa su suka canza, ingancin najasa zai sami babban canji.A cikin 'yan shekarun nan, saboda ci gaban da sinadarai fiber masana'anta, da Yunƙurin na kwaikwayo siliki, da kuma ci gaban da rini da karewa da fasaha, babban adadin wuya ga kaskantar da kwayoyin mahadi kamar PVA size, alkali hydrolysates na wucin gadi siliki (yafi phthalates). ), kuma sababbin abubuwan da suka hada da sun shiga bugu da rini.Har ila yau, ƙaddamarwar CODCr ya karu daga ɗaruruwan MG / L zuwa sama da 2000-3000mg / L, BOD5 ya karu zuwa fiye da 800mg / L, kuma ƙimar pH ya kai 11.5-12, Wannan yana rage yawan cire CODCr na asali na maganin ilimin halitta. tsarin daga 70% zuwa kusan 50%, ko ma ƙasa.

Adadin rage ruwan datti a cikin bugu da rini da ruwan datti ba su da yawa, amma yawan gurɓataccen ruwa yana da yawa, wanda ya ƙunshi nau'ikan girma dabam-dabam, samfuran bazuwar girma, chips fiber, sitaci alkali, da ƙari iri-iri.Najasa shine alkaline tare da ƙimar pH na kusa da 12. Desizing ruwan sharar gida tare da sitaci a matsayin babban ma'auni (kamar masana'anta na auduga) yana da ƙimar COD da BOD mai kyau da haɓakar halittu.Rage ruwan sharar ruwa tare da barasa na polyvinyl (PVA) a matsayin babban ma'aunin girman (kamar yarn yarn auduga na polyester) yana da babban COD da ƙarancin BOD, kuma ƙarancin ruwa na ruwa mara kyau.

Bugawa da rini da ruwa yana da babban adadin tafasasshen ruwa da kuma babban taro na gurɓatacce, ciki har da cellulose, citric acid, kakin zuma, mai, alkali, surfactants, nitrogen-dauke da mahadi, da dai sauransu The sharar gida yana da karfi alkaline, tare da high ruwa zafin jiki da kuma ruwa. launin ruwan kasa.

Bugawa da rini da ruwa yana da yawan ruwan datti mai bleaching, amma gurɓataccen ruwa yana da ɗan haske, wanda ke ɗauke da ragowar abubuwan bleaching, ƙananan adadin acetic acid, oxalic acid, sodium thiosulfate, da sauransu.

Bugawa da rini ruwan sharar da ke lalata ruwan datti yana da babban abun ciki na alkali, tare da abun ciki na NaOH daga 3% zuwa 5%.Yawancin tsire-tsire masu bugawa da rini suna dawo da NaOH ta hanyar ƙazantar da hankali da tattarawa, don haka ba a cika fitar da ruwan sha ba da kyar.Bayan maimaita amfani da shi, ruwan sharar da aka fitar na ƙarshe har yanzu yana da babban alkaline, tare da babban BOD, COD, da SS.

Adadin ruwan datti a cikin bugu da rini yana da girma, kuma ingancin ruwan ya bambanta dangane da rini da ake amfani da su.Ya ƙunshi slurries, dyes, additives, surfactants, da dai sauransu, kuma gabaɗaya yana da ƙarfi alkaline tare da babban chromaticity.COD yana da girma fiye da BOD, kuma rashin lafiyar sa ba shi da kyau.

Yawan bugu da rini da ruwan sha ya yi yawa.Baya ga sharar da ake samu daga aikin bugu, ya kuma hada da sabulun wanke wanke da ruwan sha bayan an buga shi.Matsakaicin abubuwan gurɓatawa yana da yawa, gami da slurry, rini, ƙari, da sauransu, kuma BOD da COD duk suna da yawa.

Adadin ruwan datti daga bugu da rini da ruwan sha yana da ɗan ƙanƙanta, wanda ya ƙunshi guntun fiber, resins, man fetur, da slurries.

Ana samar da bugu da rini da ruwa na rage sharar ruwa daga tsarin rage alkali na siliki na kwaikwayo na polyester, galibi yana ɗauke da polyester hydrolysates kamar terephthalic acid da ethylene glycol, tare da abun ciki na terephthalic acid har zuwa 75%.Rage ruwan sharar alkaline ba wai kawai yana da ƙimar pH mai girma ba (gaba ɗaya>12), amma kuma yana da babban adadin kwayoyin halitta.CODCR a cikin ruwan datti da aka fitar daga tsarin rage alkali zai iya kaiwa zuwa 90000 mg/L.Maɗaukakin ƙwayoyin ƙwayoyin ƙwayoyin cuta da wasu rini suna da wahalar haɓaka, kuma irin wannan nau'in ruwan datti yana cikin babban taro kuma yana da wahala a lalata ruwan datti.

Kayan aikin bugu da rini suna amfani da ayyukan rayuwa na kwayoyin anaerobic da aerobic don cinye gurɓataccen yanayi a cikin ruwan datti.A lokaci guda, flocculents na nazarin halittu da ƙwayoyin cuta suka kafa suna lalata kuma suna flocculate dakatarwa da gurɓataccen yanayi, suna adsorb a saman sludge da ke kunnawa, suna ƙasƙantar da kwayoyin halitta, kuma a ƙarshe sun cimma tasirin tsarkake ruwa.

An sanye da kayan aikin da iskar ruwa ta karkashin ruwa, wanda ruwa ke tura shi don samar da iska mai aiki biyu.Lokacin da ake yin maganin najasa, ruwan najasa yana kwararowa zuwa yankin da ake fitarwa daga saman na'urar, kuma na'urar za ta yi iskar da ke karkashin ruwa ta tura magudanar don tada najasar.Najasar da ke shigowa da sauri ta haɗu da cikakken cakuda na asali, daidaitawa ga canje-canje a cikin ingancin ruwan shigar zuwa iyakar da zai yiwu.Na'urar aerator yana da ayyuka biyu na haɓakar kwararar ruwa da iskar ruwa, yana ba da damar najasa a cikin yankin aeration don yaduwa akai-akai kuma yana ƙara narkar da iskar oxygen a cikin najasa.Saboda ci gaba da zagayawa da kwararar najasa a cikin yankin aeration, ingancin ruwa a kowane wuri a cikin yankin yana da ingantacciyar daidaituwa, kuma adadi da kaddarorin ƙwayoyin cuta iri ɗaya ne.Saboda haka, yanayin aiki na kowane bangare na yankin aeration ya kusan daidaita.Wannan yana sarrafa dukkan halayen kwayoyin halitta a ƙarƙashin kyawawan yanayi iri ɗaya.Kwayoyin halitta suna raguwa a hankali ta hanyar ƙananan ƙwayoyin cuta, kuma ana tsaftace ruwan datti.Ingantacciyar aikin tsarkakewa yana da girma, kuma duk alamomin ƙazanta sun cika ka'idojin fitar da ruwa na ƙasa "Ka'idodin Ƙirar gurɓatawa a Masana'antar Rini da Kammalawa" (GB 4267-92).Dangane da buƙatun abokin ciniki, ana iya ba da ƙarin wuraren tallafi don maganin iskar oxygen mai ƙarfi mai zurfi don saduwa da "Ka'idodin Ingancin Ruwa don Sake Amfani da Ruwan Ruwa na Birane da Ruwan Muhalli na Kasa" (GB/T 18921-2002) ƙa'idodin sake amfani da su da amfani. ikon sarrafa kayan aiki:

Wannan haɗaɗɗen bugu da rini kayan aikin gyaran ruwa sun dace da maganin bugu daban-daban masu tsayi, matsakaita da ƙarancin tattara ruwa da rini da ruwa, kamar bugu da rini da ruwan sharar ruwa, rini na ulu da ƙarasa ruwan sharar ruwa, rini na siliki da ƙare datti, rini na fiber sinadari. da kuma gama ruwan sharar gida, saƙan auduga da auduga haɗaɗɗen rini na masana'anta da ƙare ruwan sharar gida.

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Lokacin aikawa: Juni-05-2023