Sludge dewatering-polyacrylamide

Iyo inowanzo shandiswa yekuchenesa mvura flocculant yetsvina desliming ndeye polyacrylamide, uye sludge dewatering iri zvakare yakakosha nhanho mune yekuchenesa tsvina maitiro. Mushure mekunge polyacrylamide yawedzerwa kune iyo sludge yekugadzirisa, iwo unyoro hweiyo firita keke inoramba ichiderera. Izvi zvinodaro nekuti polypropylene Amide ine mhedzisiro yekushambadzira uye yekukwikwidza, iyo inogona kuita sludge particles form flocs nekukurumidza, uye zvakare ine dhayeti yekushomeka, iyo inogona kushandura hydrophilic colloids kuita hydrophobic colloids, ichivaita kuti asashomeka mumvura uye pakupedzisira kudira mvura. Kana muyero we polyacrylamide uri mudiki, iko kusungwa kunodzikira, uye mhedzisiro yekuyerera uye kupera mvura mumuviri kwakashata. Nekudaro, yakawandisa polyacrylamide inokonzeresa kuti cheni refu itadze kutambanuka nekuda kwekunyanyisa kukonzeresa, uye kupera simba kwemvura kunopera simba.

Hunhu hwesvina: iyo sludge floc chimiro inogona kukamurwa kuita yekunze dura uye yemukati dura; iyo yekunze layer yeiyo floc inosanganisira yakaturikwa pamusoro penzvimbo, viscous dura, uye yemahara yakasungwa EPS dura; iyo yemukati layer ye floc inosanganisira yakasungwa yakasungwa EPS dura uye pellets, uye Protein ndicho chikamu chikuru mune yega yega sludge; kana iyo yekunze furuji yadzikira, inogona kusimudzira kuvandudzwa kwekudonhedza mashandiro esludge. Sezvo muyero unowedzera, huwandu hweprotein huri kuramba huchiwedzera. Zvinotaridza kuti mushure mekuwedzera, iyo floc chimiro cheiyo sludge yachinja, uye kugadzirisa kugadzirisa kweiyo sludge kwave kuchingowedzerwa kuwedzera. Iyo sludge zvidimbu zvishoma nezvishoma zvinokura, uye iyo sludge rukoko uye iyo supernatant layer ine yakajeka kupatsanura tambo. Izvi ndizvo zvinowanzoitika mamiriro mushure mekunge iyo polyacrylamide yaiswa mukati memasipuru tsvina. Kana iyo polyacrylamide dosage inodarika imwe mwero, iyo sludge Iyo sedimentation mhedzisiro inotanga kuderedzwa. Yakawandisa kana ishoma kwazvo flocculant inokanganisa iwo chaiwo maratidziro esludge. Izvo hazvisi kuti izvo zvakakura kuwedzera kwe polyacrylamide, zvirinani. Isu tinofanirwa kuona kuwedzera kwepolyacrylamide zvichibva nemamiriro chaiwo. Kudzidzira kwakaratidza kuti iyo sludge sedimentation kumhanya kwakasiyana kana kunze kwekushisa kwasiyana. Panguva imwecheteyo, iyo yepamusoro tembiricha, iyo inokurumidza iyo sludge sedimentation. Nekudaro, iyo inoshanda enjiniya yekugadzira inoda kusanganisa mabhenefiti ezvehupfumi, iyo tembiricha yakanyanya kukwirira, simba rekushandisa rakanyanya, uye mabhenefiti haakwanisirwe.

anionic polyacrylamide                https://www.oubochem.com/news/the-correct-way-to-choose-polyacrylamide-pam-model

Mumatanho kubva pa100r / min kusvika ku200r / min, sezvo kumhanya kuchikura, iyo sedimentation vhoriyamu yedutu mushure mezvose zvikave zvidiki; mushure me200r / min, iyo sedimentation vhoriyamu yedutu pakutanga inowedzera. Kana iyo yekumhanyisa kumhanya iri 150r / min, iyo yemvura yemukati sludge ndiyo yakadzika kwazvo, uye kupera simba kwemvura kuri pachena.

Mushure menguva zhinji dzekudzidzira, zvakaratidzwa kuti sedimentation mwero wedutu uchave wakasiyana pasi pemamiriro akasiyana ePH kukosha. Kana tsvina pH iri mashanu, iyo sludge sedimentation kumhanya ndiyo inomhanyisa. Iyo sedimentation kumhanyisa sludge inozokanganiswawo neiyo pH kukosha. Kunyangwe hazvo pH kukosha kuri kushoma kana kwakanyanya, iyo pH kukosha kwetsvina inofanira kugadziriswa zvinoenderana nemaitiro edu pachedu. Iko kudiridza kwekushanda kweiyo yakarapwa sludge pasi peacidic mamiriro iri nani pane iyo pasi pealkaline mamiriro.


Post nguva: Chivabvu-31-2021
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