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Ndezvipi Zvinonhuwirira Zvinonyanya Kupombwa NeScrew Pomp?

Mvura Inowanzo Pomba

mvura yakachena

Mvura yakachena

Kuti makomba ese ekuyedza pombi aenderane nehwaro hwakaenzana, hunhu hwepombi hwakavakirwa pamvura yakachena patembiricha yekunze (kazhinji 15℃) ine density ye1000 kg/m³.

Chinhu chinonyanya kushandiswa pakuvaka mvura yakachena isimbi yakakandwa kana kuti simbi yakakandwa yakaiswa mukati mebronze, Kana uchipomba mvura yakachena, kana mvura inotsanangurwa zviri nani seyakasununguka ine giravhiti chaiyo ye1 isina zvinhu zvakasimba zviripo,pombi dzekusveta magumouye yakatwasukapombi dzemakesi akapatsanurwandiwo anonyanya kushandiswa. Kana paine misoro inoburitsa mvura yakawanda, mapombi emhando dzakasiyana-siyana anoshandiswa.

Kana vagadziri vakaganhurirwa nzvimbo yepombi, mayuniti akamira epombi dzakasanganiswa, axial kana turbine anoshandiswa.

mvura dzinoshandiswa pakupomba3

Mvura yegungwa sechinhu chinoparadza

Mvura yegungwa ine munyu weinenge 25 g/ℓ. Inenge 75% yemunyu weinenge sodium chloride NaCl. pH-value yemvura yegungwa inowanzova pakati pe7,5 ne8,3. Pakuenzana nemhepo, oxygen yeinenge 8 mg/ℓ.

Mvura yegungwa yakabviswa mweya

Muzvimwe zviitiko, mvura yegungwa inobviswa mweya nemakemikoro kana panyama. Nekuda kweizvi, hukasha hunoderera zvakanyanya. Panyaya yekubvisa mweya nemakemikoro, zvinofanira kucherechedzwa kuti kubvisa mweya kunotora nguva. Saka, zvakakosha kuti basa rekubvisa mweya, kureva kubviswa kweokisijeni, ripedzwe zvizere mvura yegungwa isati yapinda mupombi.

Kungwarira kunofanira kuitwa pakushanda - mhepo inogona kufefetera kuburikidza nekumhanya kwemhepo. Kunyangwe kumhanyiswa uku kuchingoitika kwenguva pfupi, kukuvara kwezvinhu kunogona kuitika nekukurumidza mumamiriro ezvinhu akati kana kuvapo kweokisijeni kukasafungwa kana zvinhu zvasarudzwa. Kana kumhanyiswa kweokisijeni kusingakwanise kubviswa panguva yekushanda kwepombi, zvinofanirwa kufungidzirwa kuti mvura yegungwa ine okisijeni.

Mvura ine munyu

Izwi rekuti 'mvura ine brackish' rinoreva mvura yakachena yakasvibiswa zvakanyanya nemvura yegungwa. Kana tichitaura nezvesarudzo yezvinhu, mirairo yakafanana yekufambisa mvura ine brackish inoshandawo seyemvura yegungwa. Pamusoro pezvo, mvura ine brackish inowanzova neammonia uye/kana hydrogen sulphide. Kunyangwe hydrogen sulphide shoma, kureva kuti iri pedyo nemamirigiramu mashoma pa litre, inokonzera kuwedzera kukuru kwehukasha.

Mvura yegungwa inobva pasi pevhu

Mvura yegungwa inobva pasi pevhu

Mvura ine munyu inobva pasi pevhu inowanzova nemunyu wakawanda kupfuura mvura yemugungwa, kazhinji inenge iri pasi pemuganho wekunyungudika. Pano zvakare, munyu wakajairika ndiwo unonyanya kukosha. pH inowanzova yakaderera (kusvika pa4), kureva kuti mvura ine acid yakawanda. Kunyange zvazvo oxygen iri shoma kana kuti isina, H₂S inogona kusvika mazana mashoma emamirigiramu parita.

Mhinduro dzakadai dzine acid yakawanda dzine H₂S dzinoparadza zvakanyanya uye dzinoda zvinhu zvakakosha.

Nekuda kwehuwandu hwakawanda hwemunyu uye zvichienderana nemamiriro ekushanda, munhu anofanira kutarisira mwero wakati wemunyu. Muzviitiko zvakadaro, matanho akakodzera ekudzivirira anofanira kutorwa maererano nekugadzira, kushanda uye kusarudzwa kwezvinhu.

Kuora mumvura yegungwa

Zvinhu zvinoshandiswa hazvingoratidzi chete kuti zvinokwanisa kudzivirira ngura yakafanana, asiwo zvinodzivirira ngura yemunzvimbo, kunyanya ngura ine makomba uye ngura. Kuora kwakadaro kunoitika kunyanya nesimbi dzinozvinyungudutsa dzesimbi (simbi dzisina ngura). Mapombi anonzi 'standby', ayo anoshandiswa nguva nenguva, ane njodzi yekumira ngura; kuzara nemvura yakachena nguva isati yasvika yekudzima kana kutanga kushanda nguva nenguva kunoonekwa sekwakanakira.

Mhando dzakasiyana-siyanapombi yemvura yegungwaZvikamu zvinofanirwa kugadzirwa nezvinhu zvemhando imwe chete kudzivirira ngura yegalvanic. Musiyano ungangovapo pakati pezvinhu zvega zvega unofanira kunge wakaderera sezvinobvira. Zvisinei, kana zvinhu zvakasiyana zvichifanira kushandiswa nekuda kwezvikonzero zvekugadzira, pamusoro pesimbi isina kunaka zvakanyanya painosangana nemvura panofanira kunge pakuru kana tichienzanisa nesimbi yakanaka. Mufananidzo 5 unopa ruzivo nezvengozi yengura yegalvanic kana zvinhu zvemhando dzakasiyana zvikabatanidzwa.

Kumhanya kwakanyanya kunogona kukonzera ngura. Migumisiro yacho inowedzera kuipa, kana chinhu chiri pakati pemvura chikanyanya kusimba, uye kumhanya kwacho kwakakwira. Nepo mwero wekuyerera uchikanganisa maitiro esimbi dzisina ngura uye nickel alloys kusvika padanho diki, nzvimbo yacho inodzoserwa shure kana zvinhu zvisina ferrous uye copper alloys zvisina kurongeka zvichibatanidzwa. Mufananidzo 6 unopa ruzivo rwemhando yepamusoro pamusoro pesimba rekuyerera kwemvura. Saka panofanira kufungwa kana chinhu chiri pakati pemhepo chine oxygen kana H₂S. Huwandu hwakawanda hweH₂S hunowanzobvisa kuvapo kweoxygen; mune zviitiko zvakadaro, chinhu chiri pakati pemhepo chine acid yakawanda, kusvika pH ye4.

Maitiro ezvinhu

Tafura 1 inopa mazano ekushandisa pombi kana musanganiswa wadzo. Kunze kwekunge zvataurwa neimwe nzira, ruzivo runotevera runoshanda mumvura yegungwa isina huwandu hweH₂S.

Simbi isina kusanganiswa nesimbi yakakandwa

Simbi isina kusanganiswa haikodzeri mvura yemugungwa, kunze kwekunge yapihwa chifukidziro chakakodzera chekudzivirira. Simbi yakasanganiswa inofanira kushandiswa chete kana kumhanya kwakaderera (kunogoneka pamakesi); muchiitiko ichi kudzivirirwa kwakajairika kwezvimwe zvinhu zvemukati kunofanirwa kushandiswa.

Kukanda maNi-Austenitic

Ni-Resist 1 ne2 dzakakodzera chete kumhanya kwepakati (kusvika pa20 m/s).

Kuora kweGalvanic mumvura yegungwa pa5-30℃

Kuora kweGalvanic mumvura yegungwa pa5-30℃

Nguva yekutumira: Kurume-11-2025