Polydiallyldimethylammonium chloride(PolyDADMAC) ipurasitiki inoshandiswa zvakanyanya mukurapa mvura uye inoita basa rakakosha mukurapa mvura. PDADMAC inowanzo shandiswa semushonga wekugadzirisa mvura uye dzimwe nguva inosanganiswa nealgaecides. Chinyorwa chino chichatsanangura zvakanakira uye kukosha kwekushandisa kwePolyDADMAC kubva mumabasa ayo, mamiriro ekushandisa uye nzira dzakananga dzekuvandudza kushanda zvakanaka kwekurapa mvura.
Hunhu hwePolyDADMAC
PolyDADMAC ipolymer ine mamorekuru akawanda ine huwandu hwakawanda hwemapoka ecationic muchimiro chayo chemamorekuru, ayo anogona kunyudza zvinobudirira zvidimbu zvakamiswa uye colloids mumvura. Hunhu hwayo hukuru hunosanganisira:
1. Kugadzikana kwakasimba: Inogona kukurumidza kubvisa zvidimbu zvakasungirirwa mumvura zvine chaji isina kunaka.
2. Mvura inonyungudika zvakanaka: Zviri nyore kunyungudika mumvura uye zviri nyore kushandisa panzvimbo yacho.
3. Kugadzikana kwemakemikari: Inogona kuchengetedza kushanda kweflocculation inoshanda zvakanyanya munzvimbo dzakasiyana dzepH, nharaunda inooxidation uye nharaunda ine michina yakawanda. PDADMAC ine simba rekudzivirira chlorine.
4. Chepfu yakaderera: Inosangana nezvinodiwa zvekuchengetedza nharaunda uye yakakodzera kushandiswa pakuchenesa mvura yekunwa.
Nzira yekuita kwePolyDADMAC mukurapa kwemvura
Inokanganisika zvidimbu zvakasungirirwa uye zvinhu zvine mvura zvinopa simba rakaipa mumvura uye inoapwanya kuburikidza nemagetsi anodzikamisa uye anoapwanya. Inobatsira zvikuru mukubvisa ruvara, uye kubvisa zvinhu zvipenyu.
PolyDADMACinovandudza kushanda zvakanaka kwekurapa mvura kuburikidza nenzira dzinotevera:
1. Kuderedza kubhadharisa
Zvidimbu zvakasungirirwa mumvura zvinowanzova nechaja dzisina kunaka, izvo zvinokonzera kudzongonyedzwa pakati pezvidimbu uye zvinoita kuti zviome kugadzikana. Mapoka ecationic ePolyDADMAC anogona kukurumidza kudzikamisa chaja dzisina kunaka, kuderedza kudzongonyedzwa kwemagetsi pakati pezvidimbu, uye kukurudzira kuungana kwezvidimbu.
2. Kugadzirisa mhedzisiro
Maumbirwo ePolyDADMAC ane cheni refu anoigonesa kuumba "bhiriji" pakati pezvikamu zvakawanda, zvichibatanidza zvidimbu zvidiki kuita maflocs makuru, nokudaro zvichivandudza kushanda zvakanaka kwesedimentation.
3. Kusimbisa mhedzisiro yekubata mambure
PolyDADMAC inogona kusimbisa "chimiro chemumbure" chinoumbwa ne inorganic coagulant mukurapa mvura kuti ikwanise kubata zvinhu zvakasungirirwa zvakanaka, kunyanya mumvura ine turbidity yakawanda kana kuti yakasvibiswa zvakanyanya.
Mamiriro ekushandiswa kwePolyDADMAC
1. Kurapa nemvura yekunwa
PolyDADMAC inoshandiswa semushonga wekubvisa marara, zvidimbu zvakasungirirwa uye zvinhu zvipenyu mumvura yekunwa. Panguva imwe chete, nekuda kwehuchetura hwayo hushoma uye hunhu hwekuchengetedza nharaunda, inogona kusangana nezvinodiwa zvekuchengetedza mvura yekunwa.
2. Kurapa mvura yakasviba
Mukurapa mvura yakasviba yemumaguta nemaindasitiri, PolyDADMAC inowanzoshandiswa kuvandudza mashandiro ekubvisa mvura kubva mumarara, kuderedza hunyoro hwekeke rematope, uye kuderedza zvakanyanya mari yekushandisa.
3. Kucheneswa kwemvura mumaindasitiri
Mumaindasitiri emagetsi, petrochemical nedzimwe nzvimbo, PolyDADMAC inoshandiswa kuchenesa mvura yemumaindasitiri senge mvura inotonhorera nemvura yebhoyila kuderedza njodzi dzekukura kwemvura uye ngura.
4. Indasitiri yekugadzira mapepa nemachira
PolyDADMAC inoshandiswa senzira yekuchengetedza uye yekusefa kuti ivandudze mwero wekuchengetedza kwemafiber nefillers mukugadzira mapepa, uku ichideredza huwandu hwezvinhu zvakamiswa mumvura yakasviba.
Maitiro ekuvandudza kushanda zvakanaka kwekurapa mvura nePolyDADMAC
1. Kugadzirisa kudzora kwemushonga
Chiyero chePolyDADMAC chakabatana zvakanyanya nehuwandu, kupararira kwezvikamu uye hunhu hwekusvibisa kwezvikamu zvakamiswa mumvura. Kugadzirisa chiyero kuburikidza nekuyedza zvirongo kunogona kuwedzera simba rayo rekutenderera uku uchidzivirira chiyero chakawandisa chinotungamira kumitengo yakakwira kana kusvibiswa kwemvura.
2. Kushanda pamwe chete neflocculants dzisina kugadzirwa
Kushandiswa kwePolyDADMAC pamwe chete ne inorganic flocculants (yakadai sepolyaluminium chloride nealuminium sulfate) kunogona kuwedzera zvakanyanya flocculation effect. Mushure mekunge PolyDADMAC yabvisa simba repamusoro rezvikamu, inorganic flocculants inogadzira floc dzakakura kuburikidza nekunyungudutsa uye kunyura.
3. Kuvandudza mwero wekugadzirisa mvura otomatiki
Nekubatsira kwemaitiro ekutonga otomatiki, kutarisa uye kugadzirisa dosage yePolyDADMAC panguva chaiyo kunogona kuitwa kuti igadzirise shanduko mukushanda zvakanaka kwekurapa kunokonzerwa nekuchinja-chinja kwemhando yemvura.
4. Gadzirisa mamiriro ekukurunga
Mushure mekuwedzera PolyDADMAC, simba rakakodzera rekukurunga nenguva zvinogona kuwedzera kupararira kwayo uye kushanda zvakanaka kwekukurunga. Kukurunga kwakanyanya kunogona kukonzera kuti mafloc aputsike, nepo kukurunga kusina kukwana kunoderedza kushanda kwekukurunga.
5. Gadzirisa pH kukosha
PolyDADMAC inoshanda zvakanaka mumamiriro ekunze asina kusimba kana asina kusimba ealkaline. Pakurapa mvura ine acid yakawanda kana alkaline yakawanda, kugadzirisa pH yemuviri wemvura kunogona kuvandudza zvakanyanya flocculation effect yayo.
Mabhenefiti ePolyDADMAC
1. Kushanda zvakanyanya: Kugadzirwa nekukurumidza kweflocs kuti kuwedzere kushanda zvakanaka kwekupatsanurana kwemvura yakasimba.
2. Mhando dzakasiyana dzemashandisirwo: Inoshanda kune mhando dzakasiyana dzemvura, kunyanya mvura ine hunyoro hwakawanda uye ine organic yakawanda.
3. Kudzivirirwa kwezvakatipoteredza: Chepfu shoma uye kuora kwezvipenyu, zvichienderana nezvinodiwa zvekuchengetedza nharaunda.
Semunhu anoshanda zvakanyanyaflocculant, PolyDADMAC ine zvakanakira zvikuru pakushandiswa kwayo mukurapa mvura nekuda kwekubatana kwayo kwakasimba, kunyunguduka kwemvura zvakanaka uye kushanda kwayo kwakafara. Kuburikidza nemaitiro ekugadzirisa maitiro uye nzira dzekushandisa, kushanda kwayo zvakanaka pakuchenesa mvura yekunwa, tsvina uye mvura yemumaindasitiri kunogona kuvandudzwa zvakanyanya.
Nguva yekutumira: Zvita-06-2024
