Nzira yekugadzirisa sei kana reverse osmosis membrane ikakundikana?

1.Ita zvinhu zvitatu kutanga: Bvisa "zvikanganiso zvenhema"

Gadzirisa kutanga

• mageji ekumanikidza, ma flow meter, uye ma conductivity metres anowanzo "rara": semuenzaniso, flow meter inonamira, izvo zvinozokanganisa kuderera kwekugadzirwa kwemvura; Kana pressure gauge isiriyo, inogona kukanganiswa nekumanikidzwa kusingawanzoitiki.
• Nzira iri nyore yekuenzanisa: shandisa spare pressure gauge kuti uenzanise inlet water / concentrated water pressure; Calibrate conductivity meter ne standard solution (semuenzaniso 100μS/cm) kuti uve nechokwadi che data rakavimbika.

Tarisa ruzivo rwekare kuti uwane "nzvimbo yekutanga isina kujairika"

• Bvisa zvinyorwa zvemwedzi 1-3 yapfuura (kana usingazvinyore, unofanira kuzviyeuka nguva inotevera!). ), enzanisa data guru risati rakundikana uye mushure mekunge rakundikana:
• Kugadzirwa kwemvura kwadzikira here? Pane kuwedzera kwedzvinyiriro panguva imwe chete here?
• Mvura haina kunaka here? Ko chlorine yasara uye kusvibiswa kwemvura yakanyorova zvangoerekana zvadarika mwero wepamusoro here?
• Kuenzanisa data kunogona kukubatsira kuderedza chiyero, semuenzaniso, "kubuda kwemvura shoma + kukwira kwedzvinyiriro" kungangove kusvibiswa, uye "kubuda kwemvura shoma + chlorine yakasara yakawanda" zvinogona kunge zviri izvo membrane yakasanganiswa.

Yera mhando yemvura ine simba kuti ubvise "matambudziko emvura"

• Mugero wemvura ndiwo "muganho" we membrane, uye kunaka kwemvura kunotungamira zvakananga mukukundikana, tichitarisa zvinhu zvitatu:
• Kusviba: >1NTU = Kutadza kurapwa usati watanga (semuenzaniso firita yekugezesa musana);
• Klorini yasara: >0.1mg/L = membrane inofanira kuoxidized (kabhoni inoshandiswa kuitsiva);
• Kuomarara / silicon yakawanda: yakawandisa zviri nyore kuyera, uye kuferefeta kunotevera kunofanira kutariswa.
• Mazano: Shandisa "nzira yekusvira" kuyera tupukanana, uye kuputika kamwe kamwe kwebhakitiriya kuchaitawo kuti membrane "irove".

2.Zviitiko zvikuru zvitatu zvekukanganisa, kuferefeta nhanho nhanho (nepfungwa dzekugadzirisa)

Muenzaniso 1: Kudzikira kukuru kwehuwandu hwemvura inobuda (chenjerera kudonha kweanopfuura 10%). Ngatitangei tatarisa "dambudziko risiri re membrane": Ko parameter iri kunze kwemuganhu here?

• Tembiricha yemvura inopinzwa mugomba yakaderera here?

Pa 1° yega yegaKudzikira kwekupisa kweC, kugadzirwa kwemvura kunoderedzwa ne2-3%! Semuenzaniso, kana mvura yepasi pevhu ichitonhora munguva yechando, kurumidza kubatidza mudziyo wekudziyisa, wobva wagadzirisa kusvika pa20-25%.°C (tembiricha yakanakisisa yemembrane), uye tarisa kana huwandu hwemvura hwadzoka.

• Hauna kushushikana zvakakwana here?

Kana kumanikidzwa kwemvura inopinzwa mukati kuri pasi pe1.0MPa (tarisa muenzaniso we membrane, mimwe iri 1.5MPa), tarisa pombi ine kumanikidzwa kwepamusoro: Ko magetsi aripo here? Vharuvhu yekupinza yakavhurika zvizere here? Kana musiyano wekumanikidzwa kwefirita yekugadzirira usati wasvika pa 0.1MPa, inofanira kugezwa kumashure, uye kumanikidzwa hakuzokwire kana kwakavharwa.

• Mwero wekudzokorodza zvinhu wakakwira zvakanyanya here?

Mwero wekudzoreredza mvura unodarika kukosha kwekugadzirwa kwayo neanopfuura 10%, huwandu hwemvura yakabatana hwakanyanya, uye membrane "haigone kupfuura nemumvura". Gadzirisa vharuvhu gobvu rekuburitsa mvura kuti uderedze mwero wekudzoreredza mvura, wobva watarisa huwandu hwemvura.

• Tarisa zvakare "membrane pachayo": yakavharwa here kana kuti yakaputsika?
• Danho 1: Tarisa "Musiyano weKumanikidzwa kweMvura Yakasimba muInrush"
  Musiyano wepfungwa dzakajairika Kuwedzera zvishoma nezvishoma kwesimba remuchina (mwedzi 1-3) + mwero wemvura: kusvibiswa kwecolloidal/organic (bvisa membrane imwe chete kuti uone kana paine jira rinonamira kana kuti dhayi yero-brown pamusoro).
• Danho rechipiri: Simbisa rudzi rwekusvibiswa
  Kuyera kunofungidzirwa (kuomarara kwakanyanya kwemvura inonwiwa): kuyerwa kuomarara kwemvura yakaomeswa, kana edza nekubika (citric acid 1-3%), kana ichigona kusukwa, inenge iri kuyera;
  Kusvibiswa kwezvipenyu kunofungidzirwa: bvisa tsvina pamusoro peganda, ona kana paine tupukanana pasi pemaikorosikopu, wotanga wazvichenesa wozozvigeza zvine alkali.
• Danho rechitatu: Ona kana paine kukuvara kwemuviri pafirimu. Mushure mekubvisa kusvibiswa nematambudziko eparamita, bvisa ganda refirimu wobva watarisa:
  Mhete yekuvhara: kukwegura uye kushanduka kwemvura kunotungamira mukuyerera kwemvura, zvichikanganisa huwandu hwemvura zvisina kunanga, edza kuchinja kuita mhete itsva yekuvhara;
  Diaphragm: Kune makwinya uye kubvaruka (sekunge kumanikidzwa kwepombi nekukurumidza), uye zvikamu zve membrane zvinongogona kutsiviwa chete, hapana imwe nzira.

Muenzaniso wechipiri: Mvura inogadzirwa haina kunaka (inofambiswa nemhepo yakawanda / TDS)

• Chisimbiso che membrane element chakatyoka here?

"Ring yekuvhara chubhu yepakati" iri kumativi ese emembrane iri kukwegura uye haina kumira zvakanaka, uye mvura yakasanganiswa ichayerera kubva muchubhu yepakati ichipinda mumvura yekugadzira. Kana firimu rabviswa, rin'i yerabha inotsemuka uye inokanganisika, uye inotsiviwa neimwe itsva.

• Chivharo chekupedzisira cheganda re membrane chiri kudonhedza mvura here?

Isa mvura ine sipo pamusono wevharo rekupedzisira, kana paine mabubbles, ichabuda! Dzorera O-ring, simbisa bhaudhi zvakaenzana, usaimoneredze zvakakombama.

✨ Mazano: Nzira imwe chete yekuferefeta membrane
Kana ma membrane akawanda akabatana akatevedzana, membrane yega yega inosanganiswa nemudziyo wekuyedza zvakasiyana, uye kufambisa mvura kunoyerwa kuburikidza nekupinda kwemvura kwakajairika.

• Tarisa "kushanda kwemembrane" zvakare: Zviri kudzikira here?
• Kuderera zvishoma nezvishoma (mwedzi 1-3): Zvingangoita kuti kusvibiswa kwemhepo

Kusvibiswa kweorganic (semuenzaniso, humic acid) kuchafukidza pamusoro pe membrane, zvichideredza huwandu hwekuchengetedza, uye kushambidza ne alkali wash (sodium hydroxide 0.5-1%) + surfactant;
Biofilm ichaparadza chimiro chemembrane, kutanga yaisa sterilize (sodium hypochlorite 50-100mg/L inonyikwa), uye yozogeza nealkali.

• Kuora kamwe kamwe (zuva 1-2): Ngwarira "kuoxidation kwemembrane"

Kana chlorine yasara mumvura ine simba ikayerwa > 0.1mg/L, "skeleton" ye membrane (aromatic polyamide) ichamiswa, uye mwero wekuchengetedza uchaderedzwa zvachose! Muchiitiko ichi, unogona kungochinja firimu chete, uye nguva inotevera unofanira kutarisa chlorine yasara. Chekupedzisira, tarisa "pretreatment": Haisi kudzivirira kusvibiswa here?

• Kurapa usati watanga ndiyo "nzira yekutanga yekudzivirira" inokundikana kana zvinhu zvinosvibisa zvikaiswa zvakananga pafirimu:
• Sefa yemidziyo yakawanda: musiyano wekumanikidzwa unodarika 0.15MPa pasina kushambidza musana, tsvina inopinda mufirimu;
• Sefa yekabhoni inoshandiswa: yakashandiswa kweanopfuura mwedzi mitanhatu, kupinda kwechlorine yakasara, firimu reoxide;
• Sefa chaiyo: Chinhu chesefa hachichinjwa kwemwedzi inopfuura 3-6, uye zvidimbu zvacho zvinovhara membrane.
• Mhinduro: Sukurudza backwash, chinja chinotsiva, gadzirisa mushonga usati wagadzirwa wobva watarisa kunaka kwemvura.

Muenzaniso 3: Kumanikidzwa kwekushanda kusina kujairika (kukwira kamwe kamwe / kudonha kamwe kamwe)

• Pombi ye concentrate yakavharwa here?

Tarisa vharuvhu yekubuditsa mvura yakabatana: edza kuichinja nemaoko, yakanamira here? Chiyero chekuyerera kwemvura chakakora chinobviswa kuti tsvina iri mukati icheneswe, uye kana chikavharwa, mvura yakabatana haizokwanisi kubuda uye kumanikidzwa kuchakwira.

• Ko membrane runner yakavharwa here?

Kusvibiswa kwezvimedu zvinovhara nzira yekuyerera kwechikamu chinopinda mufirimu, kana paine kuungana kwezvimedu pachikamu chinopinda, sukurudza nemvura ine simba rakawanda iri pasi pe0.3MPa, usashandise simba rakawandisa, zvichabvisa firimu.

• Kubuda kwemvura parutivi rwekubuda kwemvura?

Tarisa pombi yekupinda mvura, flange yepombi ine simba guru: pane kudonha here? Kana bhaudhi rikasunungurwa uye rakasimbiswa, gasket ichatsiviwa kana rakatyoka, uye kudonha kwemvura kuchaita kuti kumanikidzwa chaiko kusakwane.

• Pombi ine simba repamusoro yakatyoka here?

Teerera ruzha rwepombi: kana paine ruzha rusina kujairika, impeller inenge yasakara; Tarisa magetsi: magetsi mashoma anogona kunge ari nekuda kwekupinda kwepombi. Bvisa pombi kuti igadziriswe, uye dzorera pombi kana isingashande.

• Kamudzira kakatyoka here?

Diaphragm inobvaruka munzvimbo yakakura, uye mvura inopinda inoyerera zvakananga mumvura inogadzirwa, uye kumanikidzwa hakugone kuvakwa, izvo zvinozoitawo kuti mvura isashande zvakanaka. Kana paine gomba, chinja firimu.

• Zvekuita mushure mekuferefeta: simbisa + nyora pasi kuti usadzokorora mhosva inotevera
• Simbisa mhedzisiro:

kana ma parameter akagadziriswa, mhanya nguva dzose kwemaawa makumi maviri nemana kuti uone kana huwandu hwemvura, mhando yemvura, uye kumanikidzwa kwadzokerwa kune zvakajairika;

Kana firimu rikagezwa, mwero wekudzoreredza kwemvura mushure mekugezwa unofanirwa kuva ≥ 80%, uye hunhu hwemvura hunofanira kusangana nechiyero kuti huonekwe sehunobudirira;

Kana firimu rikachinjwa, sukurudza nekumanikidzwa kwakaderera kwemaminitsi makumi matatu (pasi pe0.2MPa) mushure mekuritsiva, wobva washanda zvakajairika.

• Chiyeuchidzo Chekuchengetedza:

Kuongorora nguva yekushanda kunofanira kutanga kwaderedza kumanikidzwa! Dzima pombi ine kumanikidzwa kwakanyanya wovhura vharuvhu yekuburitsa mvura kudzivirira kumanikidzwa kwakanyanya kweganda re membrane uye kukuvara panguva yekupatsanura; Bvisa firimu woibata zvinyoro nyoro, usatyore membrane.

• Chengeta rondedzero yakanaka:

Nyora pasi maitiro ekuferefeta, zvinokonzera, uye mhinduro, uye wozvienzanisa zvakananga nezvikanganiso zvakafanana nguva inotevera, uchichengetedza nguva nesimba.