Nzira dzekurodha uye kuburitsa maindasitiri NF membranes & RO membrane zvinhu

2025-6-26 Jiangsu HID

Nhanganyaya

Industrial reverse osmosis (RO) uye nanofiltration (NF) matekinoroji anoshandiswa zvakanyanya mugungwa desalination, sewage treatment, makemikari maitiro, chikafu uye chinwiwa, nezvimwewo nekuda kwekunaka kwavo kwekuparadzanisa. Seyakakosha zvikamu zveiyo system, iyo chaiyo kurodha uye kurodha uye kuisirwa kwe membrane zvinhu hazvisi chete zvine chekuita nekuparadzanisa mhedzisiro, asi zvakare zvinokanganisa hupenyu hwe membrane uye hupfumi hwekushanda kwehurongwa.

 

1. Kugadzirira kurodha nekuturunura

-Gadzirira zvinhu zvinotevera usati warodha uye kuburitsa zvinhu:

Safety rabha bhutsu, magirazi ekudzivirira, magirovhosi erabha, mafuta esilicone, pliers, jira rakachena, glycerin.

-Ongorora matanho usati warodha uye kuburitsa zvinhu:

• Tarisa pombi dzemvura

Nyatsoongorora pombi inopinza yemvura yekumusoro uye nyatsobvisa zvinhu zvekunze zvakaita seguruva, girisi, marara esimbi, etc. Kana zvichidikanwa, nzira dzekuchenesa makemikari dzinofanirwa kuitwa papombi yemvura inopinza uye reverse osmosis pressure ngarava kuti ive nechokwadi chekuti zvinhu zvese zvekunze zvabviswa zvachose kuti ive nechokwadi chekushanda kwakajairika kwehurongwa.

• Inlet mvura yemhando yekuongorora

Nyatsoongorora kunaka kwemvura inouya. Usati waisa zvinhu mumembrane pressure vessel, ita shuwa kuti mvura inokodzera inobatwa ne pretreatment system inoyerera kweinenge maminetsi makumi matatu, uye edza kunaka kwemvura iri kuuya ye reverse osmosis system kuona kuti inosangana nemvura yekupinza miyero yezvinhu zve membrane. Panguva imwecheteyo, tarisa kana paine kuvuza mupombi system.

• Tarisa kumanikidza mudziyo wekupedzisira ndiro chimiro

Paunenge uchibvisa ndiro yekupedzisira uye mhete yekukanda yemudziyo wekumanikidza, zvinofanirwa kucherechedzwa kuti magumo eplateti akagadzirwa nevagadziri vakasiyana anogona kusiyana, saka anowirirana zvimiro schematics zvinofanirwa kutaurwa panguva yekushanda.

• Nyatsochenesa mudziyo wekumanikidza

Shenesa mudziyo wakavhurika wakavhurika zvakakwana kuti ubvise huruva uye sediment. Kana kumwe kucheneswa kuchidiwa, gadzira mopu yakakura zvakakwana kuti izadze mukati medhayamita yemudziyo wekumanikidza, inyorovese ne50% glycerin solution, uye woikwevera kakawanda mukati memudziyo kakawanda kusvikira madziro emukati akachena uye akaiswa mafuta.

• Tarisa uone kana system iri kushanda zvakajairika

Usati waisa zvikamu, unofanirwa kuve nechokwadi chekuti zvikamu zvese nemakemikari anodiwa kuisa uye kuisa sisitimu mukushanda zvakwana uye kuti pretreatment system iri kushanda zvakajairika.

• Simbisa kutsiva usati wasunungura

Chete paunoronga kutanga sisitimu nekukasira, unogona kuburitsa uye kuisa membrane element. Zvikasadaro, iyo membrane element inofanirwa kuchengetwa yakavharwa mupakeji yepakutanga.

2. Disassembly yezvikamu

Pakubvisa iyo membrane element mu system yekumanikidza mudziyo, nyanzvi mbiri dzinofanirwa kutevedzera anotevera maitiro:

 

• Kutanga, mapaipi ekunze kumagumo maviri emudziyo wekumanikidza anoda kubviswa, uye mahwendefa ekupedzisira anofanira kuparadzaniswa maererano nemirairo inopiwa nemugadziri. Panguva yekugadzira disassembly, zvikamu zvose zvinofanira kuverengwa uye kuiswa zvakarongeka.

 

• Zvadaro, bvisa magungano ekupedzisira kubva kumativi ose emudziyo wekumanikidza.
  Pakupedzisira, panguva yekuparadzana, zvinhu zve membrane zvinofanirwa kusundirwa kunze chimwe nechimwe kutanga kubva pamvura inopinza yemhepo yekumanikidza mudziyo.

 

• Chinhu chimwe chete chinotenderwa kusundirwa kunze panguva. Kana iyo element ichisundirwa kunze kwemudziyo wekumanikidza, inofanirwa kubatwa nekukasira kudzivirira kukuvadzwa kwechinhu kana kukuvara kwemunhu.

3. Isa zvikamu

• Nyatsobvisa chinhu chemembrane kubva mubhokisi rekurongedza uye tarisa kana chinzvimbo uye kwairi kuita brine sealing mhete pachinhu chakarurama (inovhura nzira yebrine sealing ring inofanira kutarisana neinopinza mvura.

 

• Sunda magumo e membrane element pasina brine sealing ring inoenderana neinopinza yemvura kupera kwemudziyo wekumanikidza kusvika iyo element yaiswa pachena masendimita gumi kunze kwekunopinza kwemvura kwemudziyo wekumanikidza. Ziva kuti chinhu chinofanirwa kugara chakaiswa kubva kumvura inopinza yekupera kwemudziyo wekumanikidza.

 

• Isa chibatanidza chemukati chekubatanidza pakati pezvikamu mukati mechubhu yekugadzira mvura yepakati yechikamu. Usati waisa chibatanidza, shandisa zvishoma zvesilicone-based "O" ring lubricant pa "O" mhete yejoini. Kana zvisina kudaro, inyorovese zvakananga nemvura inogadziriswa isati yagadzirwa.

 

• Nyatsobvisa chechipiri membrane element kubva mubhokisi rekurongedza. Saizvozvo, tarisa kana chinzvimbo uye gwara remhete yekuisa chisimbiso pane chinhu chakarurama. Nyatsobata chinhu uye woisa chibatanidzwa chemukati pane chekutanga chinhu mukati mepakati pekugadzira mvura pombi yechinhu. Panguva ino, kubatana kwemukati kwekubatanidza hakugoni kutakura uremu hwechinhu. Sunda chinhu mumudziyo wekumanikidza wakafanana kusvika chinhu chechipiri chafumurwa anenge 10 cm kunze.

 

• Dzokorora matanho (3) uye (4) kusvikira zvinhu zvose zvaiswa mumudziyo wekumanikidza. Chinja kusvika kumagumo ekutarisa uye isa iyo element yemukati yekubatanidza pane mvura yepakati yekugadzira pombi yechinhu chekutanga. Hurefu hwechinhu uye mudziyo wekumanikidza unosarudza huwandu hwemembrane zvinhu zvinogona kuiswa mumudziyo mumwe wekumanikidza.

4. Tarisa zvinhu usati watanga muchina

• Midziyo yese, kusanganisira mapaipi, midziyo, zviridzwa uye kuyerera-kuburikidza nezvikamu zvepombi dzemvura, zvinofanirwa kugadzirwa nezvinhu zvinodzivirira kuora.

 

• Mapaipi ese uye zvishandiso zvinofanirwa kusangana nedhizaini yekumanikidza zvinodiwa.

 

• Mapaipi ese uye zvishandiso zvinofanirwa kukwanisa kusangana neH renji rakatsanangurwa mudhizaini (senge yekuchenesa system)

 

• Iyo yakawanda-media sefa yakashambidzwa nekucheneswa, uye mhando yemvura inokodzera.

 

• Chinhu chitsva chakachena chekuchengetedza sefa chakaiswa kumusoro kwepombi yekudzvanya.

 

• Usati wabatanidza mudziyo wekumanikidza, pombi yemvura inopinza uye pombi yepamusoro-soro yakacheneswa uye yakanyungudutswa.

 

• Nzvimbo yemakemikari dosing point ndeyechokwadi.

 

• Mavharuvhu akakodzera ekutarisa uye anti-siphon mavharuvhu akaiswa pamitsetse yekuendesa zvinodhaka.

 

• Matanho akakodzera ekusanganisa anotorwa mune dosing mvura inopinza pombi.

 

• Mishonga uye kuisa kwavo mubhokisi rekuwedzera zvinodhaka ndeyechokwadi.

 

• Kana iyo dosing metering pombi yamira, reverse osmosis uye nanofiltration zvishandiso zvinogona kuvharwa.

 

• Kana iyo reverse osmosis mudziyo uye nanofiltration yakavharwa, iyo dosing metering pombi inogona kuvharwa.

 

• Kana maoxidants akadai seklorini akashandiswa, matanho anofanirwa kutorwa kuona kuti chlorine iri mumvura inopinda mu membrane system yabviswa zvachose.

 

• Zvishandiso zvekuyeresa zvinogona kunyatsoshanda uye kutarisa pretreatment, reverse osmosis uye nanofiltration masisitimu akarongwa kuiswa.

 

• Zvishandiso zvakanyorwa muchirongwa zvakaiswa uye zvinoshanda nemazvo.

 

• Iva nechokwadi chokuti chiridzwa chakaitwa.

 

• Ivhavha yekudzivirira kuchengetedzwa kwemhepo inoiswa uye inogadziriswa nemazvo.

5. Nyaya dzinokosha uye dziviriro

Pretreatment system yasara			Sukurudza matanho			Install
Jecha requartz/activated carbon			Ndokumbira uve nechokwadi chekutsiva jecha requartz uye activated kabhoni uye sukurudza zvakakwana. Tsiva membrane element mushure memaawa makumi maviri nemana ekugadzirwa kwemvura.			Iyo membrane element inomisikidzwa kubva kumvura inopinza parutivi rwe membrane imba, uye rutivi rusina yakadzika mvura yekuvhara mhete inosundirwa mukati me membrane imba kutanga.
(1) Mafuta anosarurwa emvura membrane elements is glycerol (propylene glycol), iyo inofanira kuva analytically yakachena kana kemikari yakachena; (2) Mafuta ane zvigadzirwa zvisingazivikanwe kana kusakwana kuchena zvinogona kukonzera kusvibiswa kwe membrane uye kuvhara, saka usashandise; (3) Kana usina glycerin, ingonyorovesa nemvura. (4)   * Usashandise petroleum jelly kana cationic detergent kuti uise zvibatanidza. *
Membrane Type		Low pressure flushing time		High pressure yekugeza nguva	Flushing pressure (bar)		Kuyerera kwemvura (m 3 / h)
Dry		≥6 maawa		Soak kwe 1 usiku. Flushing ≥ 2 maawa	2-4 bar		4 masendimita: 0.6-3.0 8 inches: 2.4-12.0
Wet		≥30min		Flushing ≥ 2 maawa	2-4 bar		4 masendimita: 0.6-3.0 8 inches: 2.4-12.0
1.	Hapana scale inhibitor inowedzerwa panguva yakaderera-pressure flushing; mvura yose inogadzirwa uye yakadzika mvura panguva yekutsvaira inofanira kubudiswa.
2.	Manotsi ekugadzirisa maviri-level system: Kana iyo nhanho mbiri inotangwa kwekutanga, yekutanga-nhanho RO system inofanirwa kuenderera ichienderera kweinenge 24 maawa isati yatanga-nhanho inogadzirwa mvura inogona kupihwa kune yechipiri-nhanho system. Zvikasadaro, iyo yechipiri-danho membrane inogona kusvibiswa uye kugadzirwa kwemvura kunogona kuderera.
3.	Reverse osmosis kuisirwa uye kutumwa kunofanirwawo kudzivirira sando yemvura uye tsaona yekumanikidza kumashure, uye ita basa rakanaka rekupedza simba uye anti-back pressure settings.
Sezvo mamiriro ekushandiswa uye mirau inoshanda ichisiyana munzvimbo nenzvimbo uye nenguva, mushandisi ane basa rekuona kana zvigadzirwa uye ruzivo rwechigadzirwa chiri mugwaro rino zvakakodzera kuti vashandise, uye kana nzvimbo yavo yebasa nemabatiro avanoita zvigadzirwa zvinoenderana nemitemo inoshanda uye nemimwe mitemo yehurumende. Chero lax dhizaini uye kushandiswa kuchaonekwa sekusashanda uye kusiiwa kwehutsigiro hwemhando. Kuti uve nechokwadi chekupedzwa kwakanaka kwekuisa, kutumwa uye kushanda, zvinokurudzirwa kuti uzive nezvezvibodzwa zviri pamusoro.

6. Yakakosha system kutanga-up - thermal disinfection yeRO membrane zvinhu

Kune zvitsva zvinopisa disinfection zvinhu, kuita kwavo kunofanirwa kugadziridzwa kusati kwasangana nemvura inopisa. Matanho chaiwo ndeaya anotevera:

 

• Pasi pemamiriro ekudzvinyirira uye kubuda kwemvura yakaderera, shandisa mvura inopesvedzera yakakodzera (panguva ye membrane pre-setting period, iyo inokodzera inopesvedzera mvura inofanira kunge isina gasi yakasara, chiyero uye kusvibisa. Zvakanakisa kushandisa RO inogadzirwa mvura, uye pre-yakagadziriswa yakagadziridzwa inogadzirwa mvura inogona kushandiswawo) kutsvaira thermal disinfection membrane element.

 

• Munzvimbo yakaderera yekumanikidza uko iyo transmembrane pressure musiyano pakati pe membrane inlet mvura uye chigadzirwa mvura haipfuure 1.7 bar (25 psi) uye yakanyanya inlet mvura yekumanikidza haipfuure 3 bar (43.5 psi), inodziya mvura ine tembiricha isingapfuuri 45 ° C inoshandiswa kutenderera kurapwa.

 

• Ramba uchipinza mvura inopisa muhurongwa kusvika tembiricha yasvika 80°C.

 

• Kana tembiricha yemvura ichipfuura 45 ° C, iyo transmembrane yekumanikidza musiyano pamativi ese e membrane inofanira kuchengetedzwa pazasi 1.7 bar (25 psi).

 

• Pasi pemamiriro ekushisa ari pamusoro, iyo system inochengetwa ichidziya kwemaminetsi makumi matanhatu kusvika makumi mapfumbamwe.

 

• Bvumira sisitimu kuti itonhodze zvega kusvika pasi pe45°C.

 

• Munzvimbo yakaderera-kudzvanywa uko iyo transmembrane pressure musiyano pakati pe membrane inlet mvura nemvura yechigadzirwa haipfuure 1.7 bar (25 psi) uye yakanyanya kupinza mvura yekumanikidza haipfuure 3 bar (43.5 psi), shandisa inokodzera inlet mvura kutsvaira chinhu.

 

• Munguva yemembrane pre-setting nguva, inokodzera mvura yekudyisa inofanirwa kushandiswa iyo isina yakasara gasi, kuyera, kana kusvibisa. RO inogadzirwa mvura inofarirwa, asi pre-yakagadzirwa mvura inogadzirwa yakapfuura bvunzo inogona kushandiswa zvakare.

 

Iva nechokwadi chekuita danho iri kana membrane element yatonhora kusvika pasi pe45°C.