Industrial flotators nokuti wokunatswa dongo mvura; mhando mudziyo, kuti uchishandisa pfungwa

Nhasi, zvezvakatipoteredza vari patafura musoro kupeta ose pamusangano hurumende dzenyika. Hazvina chakavanzika kwezvakatipoteredza rava chitendero chitsva remakore rechi21. 2017 akazivisa Year kudzivirira zvakatikomberedza muRussia, uye saka kwezvakatipoteredza dzidzo - mumwe mabasa gore rino.

Sei ini vanofanira kunatsa mvura?

Of zvachose ndiri World Ocean, 3 chete% - ndiyo mvura yakachena, izvo 68% - ndiyo mazitombo echando (kwete yakanakira kunwa), 30% - pevhu zvinyorwa (kazhinji kubva yakasviba ivhu) uye 2 chete% - iri zvakohwewa matsime emvura. Kubva munyika mufananidzo wenyika zviri pachena kuti Kuwanikwa mvura yakachena - haisi faniro, asi dzimwe nguva nacho.

Waste mvura kwakaita panguva zvoupfumi mabasa akaitwa, ane yakawanda tsvina iri kuwanda runopfuura bvumidzwa uye nemirayiro. Kazhinji, ndizvo rinorema simbi (simbi, nickel, mhangura, kutungamirira, mekuri, cadmium, nezvimwewo)., Mafuta Mineral, rwoga nezvishoma, aruminiyamu, chakaita zvokugadzirwa surfactants (chakaita zvokugadzirwa surfactants, nokuti munhuwo zvake zvose kuti furo). zvinhu izvi vaipinda mumadziva, kuvhiringidza chakaipa nokushanda kwenhengo hwemvura biogeocoenoses, kuchetura ivhu, kutsamwisa kukura rutema-uswa algae, muchetura mhuka. utachiona ava zvakare chepfu kuvanhu.

Kwevanhu zvoupfumi basa muzvivako zvinochengetedzwa dzinogarwa uye pasiri dzimba uyewo kubudisa zvakawanda Zvinosvibisa. Kazhinji, surfactants izvi uye Organic tsvina, asi inowira mapaipi uye simbi munyu.

Chii chinonzi puroteni skimmer nokuda wastewater kurapwa?

Skimmer - zano kuti kubviswa nouipi dzakanaka kubva mvura physico-makemikari nzira. Tichishandisa kutaura, mashandiro mumwe mukuru kubudiswa modules ari unyanzvi uye wastewater kurapwa michina. Zvinotora nzvimbo pamusoro skimmer chikuru seperation pamusoro solutes uye mvura kurapwa kuti mureza zviratidzo.

Industrial flotators anogona aiendeswa makuru zvinomera, uye nokuda motokari, zvakasiyana pakukura uye zvinhu.

Chinangwa chikuru chemusha ndiko govera nyika skimmer uye vaburuke kubva mvura ichiputswa varimo Zvinosvibisa tichichinja navo kuva insoluble muchimiro. Muna midziyo, mhepo iri vaipa kunatsiridza rokuchenesa maturo.

The kushanda nheyo skimmer nokuda wastewater kurapwa

Nheyo kushanda iri inobva skimmer kucheneswa iri vakayambuka svikiro mhepo matema nechinangwa furo inotungamirwa. furo iyi inonzi flotoshlam, iyo chinobviswa uye basa rinokosha dewatering mano. To matema akabatwa rikaenda kure kubva kusvibiswa, tendero kuwedzera anokosha zvinhu - coagulants uye flocculants. zvinhu izvi vane yakakwirira adhesiveness, i.e. vanobetsera utachiona kuti agglomerate nemumwe uye mhepo matema, pova anonzi flocculi.

Chinu, vakapfuura kubva kamwene kana kamwene kumusoro rokupa midziyo, chishanu pamwe Sticky utachiona. Akadaro kwacho rinoitwa sokuvapo mvura hazvirevi kusvika runodiwa rokutsvaira maturo.

Kuoma kunzwisisa zvichiitika kuti zvakarurama kuchinja dose pakati coagulant uye flocculant zvokuti adhesion simba yakanga yakakwirira zvinokwana adhesion munhu sefuro; asi zvichiguma flakes havana kunyanya kurema, kuti arege kuparadza mhepo sefuro.

A redunhu panhamba imwe skimmer nokuda wastewater kurapwa

Technology, dzikapfeka ari skimmer sezvo mukuru kubudiswa chikwata nguva dzose kunosanganisira makemikari chirimwa uye midziyo kusika mhepo matema. Reagent ane tangi purazi pamwe reagents (coagulants, flocculants, alkali kuchinja ph) uye reactor rokuvhenganisa ari reagent nemvura.

Sezvo zano nokuti generating mhepo matema sezvo aiwanzoshandiswa saturator rinomirira mhepo vaiitawo mukamuri nemvura kuumba munhu mvura-mhepo nezvakasanganiswa. Uyezve, muvhenganiswa ichi chaiva napravlyayuetsya mu skimmer. carbonation mudziyo ari akashongedzerwa ane pombi simba kuti mhepo buditsa.

Skimmer harimboshandiswi oga, nguva dzose mune yose mvura yokunatsa zano. kazhinji remudunhu Complete rine rokutanga sedimentation mudariro, panyama-makemikari kurapwa (kana skimmer Coagulator) uye hunotevedzana zvokuimba kuchenesa pamusoro filters.

Nemamwe mashoko, skimmer havagoni kupa zvose wokunatswa, iyi inongova chete raiva pedyo nebundu, vachikumbira preprocessing uye pambiru. Vachipinda skimmer jecha kana zvimwe zvinonyadzisa tsvina kutungamirira mudziyo kutadza. Uyewo, mudziyo uyu usingagoni kupa disinfection uye wandei epetroleum zvigadzirwa. Naizvozvo, pashure anodiwa UV chokugadza sorption (kana zvemaziso) filters.

Schematic dhayagiramu kunobva flotation rikurumidze. Flotation - wastewater kurapwa ichi matema kuti mhepo kuti kusvina soluble zvinhu uye emulsified. Mvura iri akapa kuna huru kugadzira chimwe. Ikokowo ari kumanikidzwa (kana depressurized) muoti kare akagadzirira reagent nechikoro mukati reactor. Uyewo flotator mhepo matema vanopiwa Via carbonation mudziyo. In skimmer mvura yokunatsa kunoitika wastewater kurapwa reagents uye mhepo matema, Inotubuka rinowanikwa kunyanya muchimiro flocculation flotoshlama. Flotoshlam supernatant rinobviswa mvura pamusoro achishandisa itsvedzerere conveyor mu Chip catcher.

sludge Izvi nemishonga chaizvo zvokuimba kolevaniyam Zvisinei pamwe pose kuenda nokungwarira kuti varege kuputsa furo.

skimmer mudziyo

Skimmer - ane mudziyo akazaruka simbi kana mapurasitiki, ari vakapakata itsvedzerere mashandiro kuunganidza flotoshlama uye kuva conical pasi. Skimmer rinoreva kuvapo remvura mhepo kamwene kuti kugoverwa musanganiswa wacho saturator, uye kuti aite kuti zvashata nokuisa flotoshlama kuti achipa tsvina mvura uye kuerera kucheneswa mvura. Kugadzwa zviri skimmer, kazhinji iri nzvimbo basa zvivanakire.

mhando flotators

Flotators wastewater kurapwa kusiyana zvichienderana sei mvura yakazara pamwe matema uye hunhu matema. Rakajairika nzira dzinosanganisira zvemaziso, pressurized uye electroflotation. Pressurized flotation zvinoreva carbonation kamuri uye boka kupomba. Kunze kwaizvozvo, nzira iyi kakawanda reagents. Electroflotation haafaniri makemikari chirimwa uye saturator, sezvazvakanyorwa inobva pokufa electrodes mumvura.

zvokuimba flotation

Mechanical (kana impeller) chisanganiso presupposes kuti pane kumhanya abondera mumvura matema. Izvi mhando kurapwa mvura mvura asingatani achipupuma furo uye zvine magasi. Munguva zvokuimba nzira, ivo reactants hazvigoni kushandiswa, sezvo mhirizhonga akasikwa ane stirrer, anongoti zviparadzanise flakes utachiona. Panguva iyoyo, zvokuimba flotation hakusi zvakajairika, sezvo kazhinji zvinopa yakakwana rokuchenesa maturo.

Kazhinji, chidimbu ichi vanosanganisira flotators chipiriso wokunatswa dongo mvura kubva peturu.

kumanikidzwa flotation

Muchiitiko ichi flotators wastewater kurapwa mudziyo akashongedzerwa carbonation reagent uye upfumi. Saturator ndiye kamuri umo mhepo jekiseni pasi kumanikidzwa kupfuura ratinoona. Svikiro akagadzira mukati saturator, yainzi mhepo-mvura nezvakasanganiswa. Izvi ndicho mhando flotation uye kakawanda kushandiswa. The kunatswa kwacho kunoitika kuburikidza pretreatment reagent (coagulant kana flocculant) kwaizotevera kumanikidzwa kurapwa mvura nezvakasanganiswa. Mumwe gasi dhudhumira wanamatira kusvibiswa pacharo, sezvo ane guru kukwezvana simba nokuda Pasika muganhu (mhepo-mvura). Rokutanga kugadzira mvura anovandudza rokutsvaira reagent, nokuti anosika floccules (micelles), izvo vanewo mumwe simba okutorwa mwoyo. Unorema mvura yabviswa kuburikidza Yakanatswa mvura nyere kumwe kuchenesa kana itangezve. Pamusoro rinokosha itsvedzerere mudziyo kunobvisa flotoshlam - kusvibiswa, nokupfutidza pamwe mhepo matema zvichikwira ari kuramba chimiro.

The chikuru mukana kumanikidza flotation chinhu-siyana mafomu. Zvazvakashatira kuvapo mamwe mano zvinosanganisira (reagent zvakanaka, carbonator pombi), izvo simudza nzvimbo uye zvinofanira zvoga (semuenzaniso, kusarudzwa reactants dose). Kutsunga reagent uwandu kukonzera somunhu pasi dose kuchaita kuti kukwana wokunatswa (kwete zvose duku ichiputswa nezvimedu aggregated), uye dose guru kungaita kuti chokwadi chokuti matema haazorambi kukunda Kurema flakes uye zvinoshatisa, uyewo zvichiguma rutapudzo pamusoro rokuchenesa maturo.

Elektroflotator

Izvi mhando flotators wastewater kurapwa akasiyana Kupfupika uye nyore. The nzira ine iri electrolysis mvura kuti acheneswe uye neutsvene magasi kubva electrodes. Panguva electrolysis kwacho kunoitika skimmer: tanned rehydrogen panguva cathode, kuti anode - okisijeni. Kana kushandisa soluble electrodes (semuenzaniso aruminiyamu kana simbi) mberi mvura yakazara simbi ions dzakakwirira oxidation hurumende kuti anotamba basa reactants kuti zvinosvibisa flakes. Izvi zvinobatsira kuti kuzviparadzanisa nevamwe uye kudyara zvakatowanda Zvinosvibisa kubva mvura. Sezvo skimmer nzvimbo hakusi guru, mumamiriro ezvinhu akadaro pane zvakanaka akanamatira flakes uye mhepo pozyrkov kuti anopa chikuru rokutsvaira maturo.

The chikuru mukana zano rakadaro ndiko kushaya kwemakemikari chirimwa nezvimwe kura Namano pamwero wakakwirira mvura yokunatsa. Zvazvakaipira ndivo mukuru simba zvinodyiwa uye kudiwa zvokushandisa kubviswa rehydrogen.

kamwene flotation

Muchiitiko chino, shandisa anokosha mokugezera kuzozivisa mhepo iri kubudiswa mvura kuti vaipa kune flotation muchina, pane partitioned kuva biphasic musanganiswa. Kunakisa Nzira iri shoma kusakara naro zvikamu uye saka urarame basa.

mushonga chirimwa

Mune dzimwe nzira, zvinotevera flotation reagents inoshandiswa kuvandudza wokunatswa kwepasi:

• nevasori nekuwedzera ph - iri asidhi uye alkali anowedzerwa mumvura kuitira zvakajairika kushanda mamiriro coagulant uye flocculant;
• coagulants - reagents kuti pave flocculation uye esimbi uye aruminiyamu munyu;
• flocculants - reagents iyo pave flakes makuru uye akatsiga zvikuru (floccules) uye rinomiririra polyacrylamide akakura.

The chikuru zvakaipira kuvapo reagent mvura kurapwa nzira dziri kudiwa pamberi vashandi, uyewo nzvimbo inofanira govera mudziyo uye reactors. Zvinokoshawo kuti kusarudza dose pamusoro reagents, riri zvinogoneka chete empirically.