Polyaluminum chloride:ʻO ka PAC no ka pōkole, i ʻike ʻia he kumu alumini chloride a i ʻole hydroxyl alumini chloride.
Kumu:ma o ka huahana hydrolysis o ka polyaluminum chloride a i ʻole polyaluminum chloride, ua hoʻokumu koke ʻia ka colloidal precipitation i loko o ka lepo a i ʻole ka sludge, kahi maʻalahi e hoʻokaʻawale i nā ʻāpana nui o ka precipitate.Hana:ʻO ka hiʻohiʻona a me ka hana o ka PAC e pili ana i ka alkalinity, ke ʻano hoʻomākaukau, ka hoʻohui ʻana i ka haumia a me ka ʻike alumina.
1, i ka wā o ka alkalinity o ka wai maʻemaʻe polyaluminum chloride i loko o ka laulā o 40% ~ 60%, he māmā melemele māmā wai.Ke ʻoi aku ka nui o ka alkalinity ma mua o 60%, lilo ia i wai aniani ʻole.
2, ke emi ka alkalinity ma mua o 30%, he lens ka polyaluminum chloride paʻa.
3, i ka wā o ka alkalinity i loko o ka laulā o 30% ~ 60%, he colloidal mea.
4, ke oi aku ka alkalinity ma mua o 60%, lilo malie ia i aniani a resin.Solid polyaluminum chloride i hanaia me ka bauxite a i ole kolakela palolo he melemele a eleele.
Hōʻike huahana
Hoʻokaʻawale maʻamau
22-24% maʻiʻo:ʻO ke kaʻina hana hoʻomaloʻo pahu, me ka ʻole o ka pā a me ke kānana ʻana, ʻoi aku ka kiʻekiʻe o ka wai insoluble, ʻo ia ke kumukūʻai mākeke o nā huahana ʻoihana, hoʻohana nui ʻia no ka mālama ʻana i ka wai ʻino.
26% maʻiʻo:ʻO ke kaʻina hana hoʻomaloʻo pahu, me ka ʻole o ka pā a me ke kānana ʻana, ʻoi aku ka haʻahaʻa o ka wai insoluble ma mua o 22-24%, ʻo kēia huahana ke kūlana ʻāina o ka pae ʻenehana, ʻoi aku ka kiʻekiʻe o ke kumukūʻai, hoʻohana nui ʻia i ka mālama ʻana i ka wai ʻona.
28% maʻiʻo:ʻElua ʻano kaʻina hana o ka hoʻomaloʻo ʻana i ka pahu a me ka hoʻomaloʻo ʻana, ka wai ma o ka kānana papa, ʻaʻole hiki ke hoʻoheheʻe ʻia ka wai ma mua o nā haʻahaʻa mua ʻelua, no nā huahana PAC kiʻekiʻe, hiki ke hoʻohana ʻia no ka hoʻomaʻamaʻa haʻahaʻa haʻahaʻa a me ka hoʻomaʻamaʻa ʻana i ka wai kanu.
30% maʻiʻo:ʻElua mau ʻano o ka hoʻomaloʻo pahu a me ka hoʻomaloʻo ʻana, ka wai makuahine ma o ka kānana papa pā, no nā huahana PAC kiʻekiʻe, i hoʻohana nui ʻia i ka mea kanu wai a me ka haʻahaʻa haʻahaʻa o ka mālama ʻana i ka wai home.
32% maʻiʻo:Hana ʻia kēia ma ka hoʻomaloʻo ʻana, ʻokoʻa mai nā huahana ʻē aʻe, he keʻokeʻo kēia hiʻohiʻona PAC, he kiʻekiʻe ka maʻemaʻe non-ferrous polyaluminum chloride, hoʻohana nui ʻia i ka ʻoihana kemika maikaʻi a me ka hana hoʻonaninani, no ka meaʻai.
Polyacrylamide:kapa ʻia ʻo PA M, ʻike nui ʻia ʻo flocculant a i ʻole coagulant
Kumu:PAM molecular chain and dispersed phase ma o nā ʻano mechanical, physical, chemical and other effects, the dispersed phase i hoʻopili pū ʻia, e hana ana i kahi pūnaewele, pēlā e hoʻonui ai i ka hana.
Hana:ʻO ka PAM ka pauka keʻokeʻo, hiki ke hoʻoheheʻe ʻia i ka wai, aneane hiki ʻole ke hoʻoheheʻe ʻia i loko o ka benzene, ether, lipids, acetone a me nā mea hoʻoheheʻe kūlohelohe maʻamau, polyacrylamide aqueous solution ʻaneʻane akaka ka wai viscous. Loaʻa ka PAM i ka hygroscopicity, piʻi ka hygroscopicity me ka piʻi ʻana o ka pae ionic.
Hōʻike huahana
Hoʻokaʻawale maʻamau
ʻO ka PAM e like me kona mau hiʻohiʻona o ka hui dissociable i māhele ʻia i anionic polyacrylamide, cationic polyacrylamide a me non-ionic polyacrylamide.Ionic polyacrylamide.
PAM kāhiko:sludge i hana ʻia e ke ʻano biochemical
Anionic PAM:ʻoi aku ka maikaʻi o ka hopena maikaʻi aʻe.
PAM nonionic:no ka cationic a me ka anionic he hopena maikaʻi, akā, ʻoi aku ka pipiʻi o ke kumu kūʻai, ʻaʻole i hoʻohana maʻamau
Hoʻohui ʻia nā mea ʻelua e hoʻohana i nā kuhikuhi
He aha ka flocculation? Ma hope o ka hoʻohui ʻana i ka coagulant i ka wai maka, e hui pū me ke kino wai, ʻo ka hapa nui o nā haumia colloid i loko o ka wai e nalowale i ka kūpaʻa, a ʻo nā ʻāpana colloid paʻa ʻole e hoʻokūkū a hoʻopaʻa ʻia kekahi i kekahi i loko o ka wai puna, a laila hana i ka flocculation. floc hiki ke wehe ʻia e ka ua.
ʻO nā mea hoʻoikaika o ka flocculation
ʻO ke kaʻina hana o ka ulu ʻana o ka floc ke kaʻina o ka hoʻopili ʻana a me ka hui ʻana o nā ʻāpana liʻiliʻi.
ʻO ka maikaʻi o ka hopena flocculation e pili ana i nā kumu ʻelua:
1 ka hiki o ka polymer complexes i hana ʻia e ka coagulant hydrolysis e hana i ke alahaka adsorption frame, i hoʻoholo ʻia e nā waiwai o nā coagulants.
2 i ka likelika o ka collision o na mea liilii a pehea e hoomalu aku ia lakou no ka pono a me ka pono collision.Water lapaʻau 'enekinia aʻo manaʻo i mea e hoʻonui i ka probability o collision, ka wikiwiki gradient pono e hoonui, a me ka ikehu hoʻohana o ka wai kino pono e. hoʻonui ʻia ma ka hoʻonui ʻana i ka gradient māmā, ʻo ia hoʻi, ka hoʻonui ʻana i ka wikiwiki o ke kahe ʻana o ka wai puna (addendum: inā e hōʻuluʻulu nā ʻāpana a ulu wikiwiki i ka flocculation, e luku ʻia lākou. ʻElua pilikia: 1 floc ulu wikiwiki loa kona ikaika. nawaliwali, i ke kaʻina kahe i halawai ikaika shear e hana i ka adsorption frame uwapo ua okiia, ka oki aku adsorption frame alahaka paʻakikī e hoʻomau i luna, no laila, i ka flocculation kaʻina mea no hoi i kaupalena kaʻina, me ka ulu ana o floc, kahe holo velocity pono. e hoemiia, i ole e wawahiia ka floc i hanaia 2 kekahi mau floc ulu wikiwiki e hana i ka wai floc kiko'ī ili wahi hoemi loa, kekahi paneʻaʻole hemolele liʻiliʻi particles nalo nā kūlana pane, keia mau mea liilii a me ka nui particle collision; hiki ke emi loa, paʻakikī ke ulu hou, ʻaʻole hiki i kēia mau ʻāpana ke hoʻopaʻa wale ʻia no ka pahu sedimentation, paʻakikī nō hoʻi ke mālama ʻia no ka kānana.)
Hoʻohui i nā koi
I ka wā mua o ka hopena o ka hoʻohui ʻana i ka coagulant, pono ia e hoʻonui i ka manawa o ka hoʻopili ʻana me ka wai e like me ka hiki, e hoʻonui i ka hui ʻana a i ʻole ka kahe kahe. e pelu ana i ka papa e hoonui i ka mama, no laila e hoʻonui ai ka manawa o ka hui ʻana o ka wai, no laila ka condensation floc.
Hoʻohui i nā mea hana:pahu lāʻau, pahu hoʻopaʻa lāʻau, mea hoʻoheheʻe dosing, pump dosing a me nā lako ana.Hoʻolakoʻia me ka hoʻohanaʻana i nāʻano
PAC, PAM dispensing concentration (lawe 'ia mai loko mai o ka 'eke ho'opa'a lā'au a ho'ohui 'ia i ka dissolution tank) PAC a me PAM dispensing concentration E like me ka 'ike: PAC dissolution pool concentration of 5% -10%, PAM concentration of 0.1% -0.3%, the ma luna o ka 'ikepili i ka like 'ana i ka maikaʻi, 'o ia hoʻi, kēlā me kēia cubic wai PAC 50-100kg, PAM 1-3kg.This ka manaʻo he 'ano kiʻekiʻe, PAM dissolution hiki i kaupalena 'ia, pono e hoʻoulu piha hoʻoulu waena wikiwiki e loa dissolved. Hiki ke hoʻonui pono i ka hoʻoheheʻe PAM i ka 0.3-0.5%. E lawe i ka PAC dissolution concentration o 10%, PAM dissolution concentration o 0.5%, a laila kēlā me kēia wai cubic dissolved PAC100kg, PAM5kg, hoʻoponopono i ka diaphragm flow meter pump flow, e like me 1 cubic mika. / 24 hola helu, ʻo ia hoʻi, Q = 42 lita / hola, hiki ke hoʻokō i ka hopena flocculation lapaʻau maikaʻi loa.PAC, PAM mea ho'oma'ama'a ho'oma'ema'e 'ana (i ho'ohehe'e 'ia i loko o ka wai kumu) 'O ka ma'amau o ka pauku 'ana o ka wai ma'amau he PAC 50-100ppm, PAM 2-5ppm. 2-5 grams o PAM, ua ʻōlelo ʻia ma ke ʻano maʻamau e like me kēia hoʻāʻo ʻana. ʻO 100kg, PAM dosage he 4kg. ʻO ka helu ma luna nei i heluʻia e like me kaʻike maʻamau, pono ke kauʻana i keʻano kiko'ī a me ka hoʻonāʻana i ka hoʻokolohua kūikawā o ka maikaʻi o ka wai.E helu i ka waiwai i hoʻonohonoho ʻia ma ka mika kahe o ka pauma
Ma hope o ka hoʻohui ʻana i ka mea hana i ka wai a i ʻole ka lepo, pono e hui pū ʻia.ʻO ka manawa hui ʻana he 10-30 kekona, ʻaʻole i ʻoi aku ma mua o 2 mau minuke.ʻO ke ʻano kikoʻī o ka mea hana a me ka neʻe ʻana o nā ʻāpana colloidal, nā mea paʻa i hoʻokuʻu ʻia i loko o ka lepo a i ʻole ka lepo, ʻo ke ʻano a me nā mea lapaʻau he pilina maikaʻi loa, ʻoi aku ka nui o ka lāʻau lapaʻau i kekahi, loaʻa ka dosage maikaʻi loa ma o ka nui o nā hoʻokolohua. ʻO ka ʻoi aku ka maikaʻi loa (ppm1 e hoʻohui i ka ʻike) a me ke kahe wai (t / h) a me ka hoʻonohonoho ʻana o ka ʻike hoʻonā (ppm2 hoʻomākaukau ʻana), hiki ke helu ʻia ma ka dosing pump flowmeter display value (LPM). dosing pump flowmeter (LPM) = kahe wai (t/h)/60×PPM1 e hoʻohui i ka hoʻomākaukau ʻana / PPM2.
'Ōlelo Aʻo: ʻO ka ppm ka hapa miliona; ʻo nā ʻāpana waiwai kahe wai kahe o ka pauma, ʻo LPM nā lita / minuke; ʻo GPM nā galani / minuke.
Ka manawa hoʻouna: Feb-19-2024
