Nzira yekushandisa PAC/PAM

Polyaluminum chloride: PAC muchidimbu, inozivikanwawo se basic aruminiyamu chloride kana hydroxyl aruminiyamu chloride.

Nheyo: Kuburikidza nechinhu chinogadzirwa ne polyaluminum chloride kana polyaluminum chloride chinonyungudika, mvura inonaya mutsvina yetsvina inogadzirwa nekukurumidza, izvo zviri nyore kuparadzanisa zvidimbu zvikuru zvemvura inonaya. Kushanda: Chitarisiko uye mashandiro ePAC zvine chekuita nealkalinity, nzira yekugadzirira, kusanganiswa kwetsvina uye huwandu hwealumina.

1, kana alkalinity yemvura yakachena yepolyaluminum chloride iri pakati pe40% ~ 60%, inenge iri mvura yero yakajeka inoonekera. Kana alkalinity yacho inopfuura 60%, zvishoma nezvishoma inova mvura isina ruvara inoonekera.

2, kana alkalinity iri pasi pe30%, polyaluminum chloride yakasimba igirazi.

3, kana alkalinity iri pakati pe30% ~ 60%, inenge iri colloidal material.

4, kana alkalinity yadarika 60%, zvishoma nezvishoma inoshanduka kuita girazi kana resin. Polyaluminum chloride yakasimba yakagadzirwa nebauxite kana mineral yevhu inova yeyero kana brown.

Mufananidzo wechigadzirwa

Kupatsanurana kwakajairika

22-24% yezviri mukati: Kugadzirwa kwemadhiramu ekuomesa, pasina kusefa ndiro nefuremu, zvinhu zvisinganyungudike mumvura zvakakwirira, ndiyo mutengo wemusika wezvigadzirwa zvemaindasitiri, zvinonyanya kushandiswa pakuchenesa mvura yakasviba mumaindasitiri.

26% zvirimo: Kugadzirwa kwemadhiramu ekuomesa, pasina kusefa ndiro nefuremu, zvinhu zvisinganyungudike mumvura zvakaderera pane 22-24%, chigadzirwa ichi ndicho chiyero chenyika chemhando yeindasitiri, mutengo wacho wakakwira zvishoma, unonyanya kushandiswa mukurapa mvura yakasviba mumaindasitiri.

28% yezviri mukati: Izvi zvine maitiro maviri ekuomesa madhiramu nekuomesa nepfapfaidzo, sefa yefuremu yemvura inopinda nepakati peplate, mvura isinganyungudike kupfuura maviri ekutanga, ndezvezvigadzirwa zvePAC zvepamusoro, zvinogona kushandiswa pakurapa tsvina isina turbidity uye kugadzirira plant yemvura yepombi.

30% zvirimo: Kune mhando mbiri dzekuomesa madhiramu nekuomesa nepfapfaidzo, sefa yemvura inoyerera kuburikidza neplate frame, ndeyezvigadzirwa zvePAC zvepamusoro-soro, zvinonyanya kushandiswa mufekitori yemvura yepombi uye kutonhora kushoma kwekuchenesa mvura pamba.

32% zvirimo: Izvi zvinogadzirwa nekuomesa nepfapfaidzo, zvakasiyana nezvimwe zvigadzirwa, chitarisiko ichi chePAC chichena, chakachena kwazvo uye chisina ferrous polyaluminum chloride, chinonyanya kushandiswa muindasitiri yemakemikari akanaka uye kugadzira zvizoro, ndezvemhando yepamusoro yechikafu.

Polyacrylamide: inonzi PA M, inowanzozivikanwa se flocculant kana coagulant

Nheyo: PAM molecular chain uye dispersed phase kuburikidza nemarudzi akasiyana-siyana e mechanical, physical, chemicals nezvimwe, dispersed phase yakabatana, ichiumba network, nokudaro ichisimudzira basa.

Kushanda: PAM ihupfu chena, inonyungudika mumvura, hainyungudike mubenzene, ether, lipids, acetone nezvimwe zvinonyungudutsa zvakasikwa, polyacrylamide mvura ine mvura inopenya yakajeka, haina njodzi, haina chepfu, haiparadzi, yakasimba PAM ine hygroscopicity, hygroscopicity inowedzera nekuwedzera kweionic degree.

Mufananidzo wechigadzirwa

Kupatsanurana kwakajairika

PAM zvichienderana nehunhu hwayo hweboka re dissociable rakakamurwa kuita anionic polyacrylamide, cationic polyacrylamide uye non-ionic polyacrylamide. Ionic polyacrylamide.

PAM yeCationic: tsvina inogadzirwa nenzira yemakemikari

Anionic PAM: tsvina nemarara zvine chaji yakanaka, zvakaita sesimbi, electroplating plant, metallurgy, washing coaster, kubvisa guruva nedzimwe tsvina, zvine simba riri nani.

PAM Isina Ionic: ye cationic ne anionic ine mhedzisiro yakanaka, asi mutengo weyuniti unodhura zvikuru, kazhinji hauwanzo shandiswa

Zvese zvakawedzerwa kumirairo yekushandisa

Chii chinonzi flocculation? Mushure mekuwedzera coagulant mumvura isina kubikwa, ichisanganiswa zvizere nemvura, tsvina yakawanda yecolloid iri mumvura inorasikirwa nekugadzikana, uye zvidimbu zvecolloid zvisina kugadzikana zvinosangana pamwe chete mudziva reflocculation, uye zvinogadzira floc inogona kubviswa nenzira yekunaya kwemvura.

Zvinhu zvinopesvedzera flocculation

Maitiro ekukura kwefloc inzira yekubatana uye kugongana kwezvidimbu zvidiki.

Hunhu hwemhedzisiro ye flocculation hunoenderana nezvinhu zviviri zvinotevera:

1 kugona kwemapolymer complexes anoumbwa ne coagulant hydrolysis kugadzira adsorption frame bridge, iyo inotsanangurwa nehunhu hwema coagulants

2 mukana wekurovera zvidimbu zvidiki uye maitiro ekudzora kuti zvikwanise kurovera zvine musoro uye zvinobudirira. Nyanzvi dzezvekurapa mvura dzinotenda kuti kuti mukana wekurovera uwedzere, kukwira kwekukurumidza kunofanira kuwedzerwa, uye simba rinoshandiswa mumuviri wemvura rinofanira kuwedzerwa nekuwedzera kuyerera kwekukurumidza, ndiko kuti, kuwedzera kumhanya kwekuyerera kwedziva rekuyerera (kuwedzera: kana zvidimbu zvikaungana uye zvikakura nekukurumidza mukuyerera, zvichaparadzwa. Pane matambudziko maviri: 1 floc kukura nekukurumidza simba rayo rinoderera, mukuyerera kwakasangana, kuchekwa kwakasimba kuchaita kuti bhiriji refuremu readsorption richeke, bhiriji refuremu readsorption rakachekwa rakaoma kuramba richikwira, saka maitiro eflocculation maitiro akaganhurirwawo, nekukura kwefloc, kumhanya kwekuyerera kunofanira kuderedzwa, kuitira kuti floc yakagadzirwa isave nyore kuputswa; 2 mamwe floc kukura nekukurumidza kuchaita kuti nzvimbo chaiyo yefloc yemvura ideredzwe zvakanyanya, mamwe maitiro haana kukwana zvidimbu zvidiki zvakarasikirwa nemamiriro ekuita, zvidimbu zvidiki izvi uye mikana yekurovera zvidimbu zvikuru inoderedzwa zvakanyanya, zvakaoma kukura zvakare, zvidimbu izvi hazvigone chete kungoita tangi remvura rakachengetwa, zvakaomawo kuchengetedza sefa.)

Wedzera zvinodiwa

Pakutanga kwekuita kwekuwedzera coagulant, zvakakosha kuwedzera mukana wekusangana netsvina zvakanyanya sezvinobvira, kuwedzera kusanganiswa kana mwero wekuyerera. Zvichienderana nekusangana kwemvura nekupeta ndiro uye kuyerera kwemvura pakati peplate yekupeta kuwedzera kumhanya, kuitira kuti mukana wekukonana kwezvikamu zvemvura uwedzere, kuitira kuti floc condensation. Uye kune kunonoka kwekuita, kuitira kuderedza speed gradient, inogona kuwana flocculation iri nani, uye precipitation effect.

Kuwedzera michina: mudziyo wemishonga, tangi rekuchengetera mishonga, muchina wekusanganisa mushonga, pombi yekuyera mushonga nemidziyo yekuyera. Yakashongedzerwa nekushandisa nzira dzakasiyana siyana

PAC, PAM inogovera huwandu (inotorwa kubva mubhegi rekurongedza mishonga yowedzerwa mutangi rekunyungudika) PAC nePAM inogovera huwandu Zvichienderana neruzivo: PAC inosanganisa 5%-10%, PAM inosanganisa 0.1%-0.3%, data riri pamusoro rinoenderana nemhando, kureva kuti, mvura yega yega ye cubic PAC 50-100kg, PAM 1-3kg. Kuwanda uku kwakanyanya, kugona kwePAM kunyungudika kwakaderera, inoda kusanganiswa zvakakwana ichikurunga nekukurumidza kusvika yanyungudika zvachose. Muzhizha, PAM inosanganisa inogona kuwedzerwa zvakanaka kusvika 0.3-0.5%. Tora PAC inosanganisa 10%, PAM inosanganisa 0.5%, wobva wawedzera PAC100kg ye cubic mvura yakanyungudika, PAM5kg, gadzirisa kuyerera kwe diaphragm flow meter pombi, zvichienderana ne 1 cubic meter / maawa makumi maviri nemana ekuverenga, kureva kuti, Q = 42 litres / awa, inogona kuwana mhedzisiro yakanaka yekurapa tsvina yetsvina. Muyero wePAC, PAM wekugadzirisa tsvina (yakanyungudutswa mumvura yekutanga) Muyero wemishonga yekurapa tsvina inowanzo kuve PAC 50-100ppm, PAM 2-5ppm, ppm unit imiriyoni imwe, saka inoshandurwa kuita 50-100 magiramu ePAC patani yetsvina, 2-5 magiramu ePAM, zvinokurudzirwa kuti zvichienderana nekuyedzwa uku. Kana kugona kwekurapa tsvina yezuva nezuva kuri 2000 cubic metres, huwandu hwePAC zvichienderana ne50ppm, huwandu hwePAM zvichienderana nekuverenga kwe2ppm, saka muyero wePAC wezuva nezuva i100kg, muyero wePAM i4kg. Muyero uri pamusoro unoverengerwa zvichienderana neruzivo rwese, muyero chaiwo uye huwandu hwemuyero unofanirwa kunge wakavakirwa pakuyedzwa kwakananga kwemhando yemvura. Verenga kukosha kwakatemwa mupombi yekuyerera kwepombi.

Mushure mekuwedzera mushonga wetsvina kana matope, unofanirwa kusanganiswa zvinobudirira. Nguva yekusanganisa inowanzova masekondi 10-30, kazhinji isingapfuure maminetsi maviri. Chiyero chaicho chemushonga uye huwandu hwezvimedu zvecolloidal, zvinhu zvakasimba zvakasungirirwa mutsvina kana matope, hunhu uye michina yekurapa zvine hukama hwakanaka, chiyero chekurapa matope kune zvimwe, chiyero chakanakisa chinowanikwa kuburikidza nehuwandu hwakawanda hwekuyedza. Zvichienderana nehuwandu hwakanakisa hwemushonga (ppm1 yekuwedzera huwandu) uye kuyerera kwemvura (t/h) uye kurongeka kwehuwandu hwemhinduro (ppm2 preparation concentration), zvinogona kuverengerwa pachiyero chepombi yedosing flowmeter display (LPM). Kukosha kwekuratidzira kwepombi yedosing flowmeter (LPM) = kuyerera kwemvura (t/h)/60×PPM1 yekuwedzera huwandu hwekugadzirira /PPM2.

Cherechedza: ppm ichikamu chimwe chete chemamiriyoni; chiyero chepombi yekuenzanisa chiyero, LPM marita/miniti; GPM magaroni/miniti