Gudanar da aiki na hasumiyar anaerobic 1. batutuwan da ya kamata a kula da gudanar da kayan aikin anaerobic biological treatment;

(1) Lokacin da aka sarrafa tsabtace ruwa mafi girma (darajar CODCr ta fi 5000mg / L), dole ne a ɗauki hanyar aiki na bayar da ruwa, ƙididdigar bayar da ruwa ta ƙayyade bisa ga takamaiman yanayi, ingantaccen bayar da ruwa ba kawai zai iya rage yawan ruwa da aka shigar ba, har ma zai iya haɓaka yawan ruwa da aka shigar, don tabbatar da rarraba ruwa daidai a cikin wurin sarrafawa, don kauce wa bayyanar gajeren ruwa. Bayar da ruwa kuma zai iya hana mai tsananin canji na ruwa mai shiga da darajar pH a cikin anaerobic mai aiki, don yin amsawar anaerobic mai sauƙi, wato, za a iya rage buƙatar alkalinity na amsawar anaerobic da rage farashin aiki. Anaerobic amsa ne m tsari da fitar da ruwa zazzabi ne mafi girma fiye da shigar da ruwa. Saboda haka, lokacin da zafin jiki na hunturu yake ƙasa, zafin jiki a cikin ma'aunin yana daidaitawa, yana sa microbes na anaerobic su yi aiki a cikin zafin jiki mafi dacewa. (2) Zafin jiki na ruwan sha'awa na masana'antu yana da wuya ya kai 35 ° C, yana buƙatar dumama (musamman a lokacin hunturu). Saboda haka, don adana makamashi da ake buƙata don dumama, a gefe guda, ya kamata a kula da keɓaɓɓen (gami da ɗaukar matakan da suka dace don ƙara yawan bayar da kwararar), kamar yadda zai yiwu don hana asarar zafi na mai amfani, a gefe guda kuma ya kamata a yi amfani da cikakkiyar fasali na ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙa (3) Biogas dole ne a fitar da shi a kan lokaci da inganci. Anaerobic digestion tsari dole ne ya kasance tare da samar da biogas, biogas a kan lakar iya taka rawa da kuma rawar, inganta ruwan datti da lakar hawa, wanda shi ne m bangare. A lokaci guda, kasancewar biogas kuma zai taka rawar da ta yi kama da sludge, lokacin da biogas ya zuba ya kawo wani ɓangare na lakar zuwa ruwa, wanda ke haifar da samar da sludge da kuma karuwar abun ciki na dakatarwa a cikin fitarwa da kuma mummunan ingancin ruwa. Saboda haka, don saita gas shimfiɗa da gas collector rufi, kawo biogas daga cikin anaerobic digestion na'urar, barin isasshen ruwa yankin kusa da fitarwa dam don tabbatar da fitarwa ruwa inganci. (4) Load na lakar ya dace. Don kiyaye daidaitaccen matakai uku na tsarin narkewa na anaerobic, don samar da daidaitaccen kayayyaki kamar volatile fatty acids da kuma cinye su, don hana tara acid da ke haifar da raguwar darajar pH, kayan kwayoyin ruwa ba su da yawa, yawanci ba 0.5kgCODcr / (kgMLSS · d). Za a iya samun babban girman kaya a cikin yanayin kiyaye ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙanana Gabaɗaya, nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin nauyin (5) Lokacin da aka sarrafa mai girma na dakatarwar ruwa (yawanci ya nufi sama da 1000mg / L), ya kamata a yi amfani da dakatarwar ruwa ta hanyar tsarawa, tacewa, ko tafiya don rage yawan dakatarwar ruwa don hana toshewar layin cikawa. Babban dakatarwar ruwa ta AF ba ta wuce 200mg / L ba, amma idan dakatarwar za ta iya lalacewa kuma ta warwatsa a cikin ruwan datti, dakatarwar ba ta da mummunan tasiri a kan AF. (6) don ƙirƙirar yanayin anaerobic cikakke. Anaerobic shine manufar aikin al'ada na ƙwayoyin cuta na anaerobic, kuma dole ne ƙwayoyin cuta na methane su yi aiki da inganci a cikin yanayin anaerobic. A tsabtace ruwa haɓaka shiga anaerobic digestive na'urori, fitar da ruwa sake gudana da sauran hanyoyi kamar yadda zai yiwu kauce wa tuntuɓar da iska, kamar yadda zai yiwu rage damar tuntuɓar da iska. Kamar yadda ya kamata a lokacin da ruwa ya gudana don kada a bayyana ruwa fadowa, motsawa da sauran abubuwan da suka faru, daidaita tafkin, dawowa tafkin da sauransu don rufe rufewa, tashin ruwa don ɗaga kada a yi amfani da gas ɗaga famfo. Anaerobic reaction gini ne mafi kyau ta hanyar iska-proof gwaji don tabbatar da tsananin ba leakage. 2. Anaerobic bioreactor iko nuna alama (1) Oxidation rage damar: amfani da hanyar auna oxidation rage damar yanke shawara ko da yawa oxidation rage bangaren tsarin a cikin anaerobic reactor daidaitacce yanayin, ko da yake wannan hanyar ba ta da kyau, amma saboda oxidation rage damar auna sauki, da kuma sauran saka idanu nuna alama, akwai wani jagora ma'ana. (2) Propionate da acetate matattarar rabo: idan anaerobic reactor organic load wuce al'ada kewayon, Propionate da acetate matattarar rabo zai nan da nan tashi kafin sauran aiki sigogi canje-canje. Saboda haka, rabo na propionate da acetate mai yawa za a iya amfani da shi a matsayin mai mahimmanci da amintaccen alamar gargaɗi game da haɗin aiki na anaerobic reactor wanda ke haifar da aiki mara kyau. (3) VFA na volatile acid: ƙaruwa mai ban mamaki na volatile acid shine mafi ingantaccen alamar hana metabolism na methane a cikin anaerobic reactor. (4) Phenylacetic acid: Phenylacetic acid shine matsakaicin samfurin da ke samarwa ta hanyar lalata amino acids da magungunan kwayoyin halitta kamar lignin, lokacin da ake sarrafa ruwan da ke dauke da irin waɗannan gurɓataccen abubuwa, abun ciki na phenylacetic acid a cikin ruwan sarrafawa na anaerobic yana nuna yanayin aikin anaerobic mai ƙarfi fiye da volatile acid. (5) Methanol: Methanol ƙanshi na musamman, koda kuwa ƙunshi ne mafi ƙaranci, mutane za su iya jin ta hanyar ƙanshi. Ƙarin kwatsam na methanol (ƙanshi ba zato ba tsammani ko ƙaruwa) sau da yawa yana nuna ƙaruwa ba zato ba tsammani a cikin abun ciki na chlorocarbons masu guba a cikin ruwa. (6) samar da carbon monoxide CO: CO yana da alaƙa da samar da methane, CO yana da wuya a narke a cikin ruwa, kuma ana iya sa ido ta kan layi. Abubuwan da ke ciki na CO a cikin matakin gas da matakin acetate a cikin matakin ruwa suna da kyakkyawan alaƙa, kuma canje-canje na abun ciki na CO yana da alaƙa da ƙarfe masu nauyi da tashin hankalin da guba ta haifar. 3. Anaerobic bioreactor kula da high inganci na asali yanayi (1) dacewa pH darajar: Don yin anaerobic samun tasiri, pH darajar a cikin reactor dole ne a tsakanin 6.5 ~ 8.2. (2) isasshen abinci mai gina jiki na yau da kullun: dole ne matakan nitrogen a cikin ma'aunin ya kasance a cikin 40 ~ 70mg / L don biyan bukatun, yayin da phosphorus da sulfide ke kiyaye ƙananan matakan don biyan bukatun. Methane bacteria suna da bukatun musamman na sulfides da phosphorus, dole ne a tabbatar da abun cikinsa a cikin ma'auni, wani lokacin suna buƙatar ƙara takin phosphorus da sulfates a cikin ruwan shiga. (3) Abubuwan abinci masu gina jiki masu mahimmanci: Abubuwan abinci masu gina jiki masu mahimmanci da ke da tasirin kunnawa a kan kwayoyin methane sune baƙin ƙarfe, cobalt, nickel, zinc, manganese, molybdenum, jan ƙarfe har ma da selenium, boron da sauransu, rashin ɗaya daga cikinsu zai iya shafar dukan tsarin sarrafawa mai mahimmanci. (4) dacewar zafin jiki: Anaerobic amsawa yawanci aiki a matsakaicin yanayin zafin jiki na 30 ~ 37 ℃. (5) daidaitawa da guba: dole ne a kammala daidaitawa da ƙwayoyin cuta na anaerobic ga abubuwan guba. (6) Isan lokacin metabolism: don tabbatar da lokacin zama na ruwa HRT da lokacin zama na SRT na aikin anaerobic. (7) adadin tushen carbon: abubuwan da ke cikin ruwan da ke cikin ruwa suna biyan tushen carbon da aka buƙata don ƙwayoyin halitta na heterogeneous methane, yayin da C02 mai narkewa a cikin ma'aunin yana biyan tushen carbon da aka buƙata don ƙwayoyin halitta na methane. (8) gurɓataccen abu zuwa kwayoyin cuta mai kyau: ƙwayoyin ƙwayoyin cuta a cikin anaerobic bioreactor suna da kyakkyawan damar watsa ƙwayoyin cuta a cikin yanayin ruwa, amma ƙwayoyin cuta sun tara yawa ko yin amfani da yanayin biofilm na anaerobic na iya haifar da matsalolin watsa ƙwayoyin cuta, don kawar da sauran ƙwayoyin cuta na yau da kullun ko haɓaka ƙimar bayarwa don rage juriya ta hanyar watsawa.