Sludge dehydration chikamu chakakosha chekugadzirisa tsvina. Chinangwa chayo ndechokunyatsobvisa mvura mumatope, kuitira kuti huwandu hwematope huve hushoma, uye mari yekurasa uye nzvimbo yevhu inoderedzwa. Muchiitiko ichi, kusarudzwa kweFlocculantndiyo kiyi, uye PolyDADMAC, seinoshandaCationic Polymer flocculant, iri kuita basa rinokosha.
Chekutanga, isu tinofanirwa kunzwisisa kuumbwa uye zvimiro zvesludge. Sludge inonyanya kusimba sediment inogadzirwa panguva yekuchenesa tsvina. Iine zvinhu zvakaoma senge organic debris, microbial groups, inorganic particles uye colloids. Iyo yakaturikwa yakaoma mumatope inochajiswa zvakashata uye inodzosera mumwe nemumwe, nepo mvura ichizadza pakati pezvakarembera zvakamira, saka iyo yekutanga yemvura yedhaka inogona kusvika 95%. kusvibiswa kwemhoteredzo. Nokudaro, maitiro ekuita zvinobudirira sludge dewatering yava nyaya inokosha mumunda wekuchenesa tsvina.
Mukuita kudzikisa matope,Flocculants yekubvisa matopechinhu chakakosha chinofurira. Iyo flocculant inounganidza tudiki tudiki mumatope kuita zvidimbu zvakakura kuburikidza nemagetsi neutralization, adsorption bridging, zvichingodaro, ichimhanyisa kudonhedza kwayo uye kupera simba kwemvura. Sechigadzirwa chemakemikari chinoshandiswa zvakanyanya mukurapwa kwemvura yetsvina uye kupera simba kwetsvina, PolyDADMAC inoita zvakanaka mukudonha kwedhaka nekuda kwekusiyana kwayo kwema molecular chimiro uye kubhadharisa density.
Iyo molecular chimiro chePolyDADMAC inopa iyo yakakwira chaji density uye yakanakisa adsorption zvivakwa. Munguva ye sludge dehydration process, PolyDADMAC inogona kukurumidza kushambadza pamusoro pezvimedu zvesludge, kuderedza simba rinosemesa pakati pezvimedu kuburikidza nemagetsi neutralization, uye kukurudzira kuumbwa kweakakura flocs pakati pezvimedu. Panguva imwecheteyo, cheni dzemamorekuru dzePolyDADMAC dzinogonawo kugadzira chimiro chetiweki chinoshanda, kuteya akawanda sludge particles pamwechete, kusvina mvura kubva pakati pezvimedu zvedhaka, uye kugadzira zvimedu zviri nyore kupera mvura, kuitira kuti huwandu hwemvura huderedzwe. kusvika 60-80% kana kunyange pasi, uye vhoriyamu inogona kuderedzwa ne 75-87%.
Kana ichienzaniswa neyechinyakare inorganic flocculants, PolyDADMAC ine yakakwira molecular huremu uye kuchaja density, ichipa iyo yakasimba kubhururuka kugona. Pamusoro pe,PolyDADMACine yakanakisa dissolution performance, iri nyore kushandisa, uye haiburitse chechipiri kusvibiswa. PD pachayo haiburitse sedimentation sealum, saka huwandu hwekuwedzera sludge hunogona kuderedzwa.Zvakanakira izvi zvinoita kuti PolyDADMAC ive netarisiro yakakura yekushandisa mumunda wekubvisa dhaka.
Iyo molecular chimiro chePolyDADMAC inopa iyo yakakwira chaji density uye yakanakisa adsorption zvivakwa. Mapoka akawanda e cationic pane ayo mamorekuru cheni anogona kuita nemapoka eanionic pamusoro pezvimedu zvesludge kuumba yakagadzikana ionic zvisungo, zvichikonzera adsorption yakasimba. Iyi adsorption haingobatsiri kudzikisira kudzoreredza pakati pezvimedu, asi inobatsirawo kugadzira flocs yakakura.
Pamusoro peiyo mamorekuru dhizaini uye yekuchaja zvivakwa zvePolyDADMAC, kusungirirwa kwayo uye dosage zvakare zvinhu zvakakosha zvinokanganisa sludge dehydration effect. Mukati meimwe nhanho, sezvo kusungirirwa kwePolyDADMAC kunowedzera kana kuwanda kweyero, kuita kwemvura kwedhaka kunogona kuvandudzwa. Nekudaro, yakanyanya kuwanda kana dosi inogona kutungamira kune yakapesana, zvichikonzera kuchengetedzwa kwecolloid, izvo zvinozoderedza dehydration mhedzisiro. Naizvozvo, mumashandisirwo anoshanda, kuyedzwa uye optimization inofanirwa kuitwa zvinoenderana neiyo chaiyo sewage treatment system uye sludge zvivakwa kuti uone iyo yakakwana PolyDADMAC yekumisikidza uye dosage.
Nguva yekutumira: Sep-26-2024