Iyo yakazara inogadziriswa shaft yakasanganiswa inoyerera pombi imhando yepakati uye yakakura dhayamita yepombi inoshandisa blade angle adjuster kutyaira pombi mablades kuti atenderere, nokudaro achishandura blade yekuisa kona kuti iwane kuyerera uye musoro shanduko. Iyo huru yekufambisa svikiro imvura yakachena kana marara akareruka pa 0 ~ 50 ℃ (midhiya yakakosha inosanganisira mvura yegungwa uye Yellow River mvura). Inonyanya kushandiswa muminda yemapurojekiti ekuchengetedza mvura, kudiridza, madhiraini uye mapurojekiti ekuchinjisa mvura, uye inoshandiswa mumapurojekiti mazhinji enyika akadai seSouth-to-North Water Diversion Project uye Rwizi rweYangtze kuenda kuHuaihe River Diversion Project.
Iwo mablades e shaft uye yakasanganiswa yekuyerera pombi yakakanganiswa. Kana mamiriro ekushanda epombi akatsauka kubva pakugadzira nzvimbo, chiyero chiri pakati pekutenderera kwekutenderera kwemukati nekunze kwemicheto yemashizha inoparadzwa, zvichiita kuti kusimudzwa kunogadzirwa nemashizha (airfoils) pane radii yakasiyana-siyana haisisina kuenzana, nokudaro zvichiita kuti mvura inoyerera mupombi iite mhirizhonga uye kurasikirwa kwemvura kuwedzere; kure kure nenzvimbo yekugadzira, iyo yakakura dhigirii yekuyerera kwemvura mhirizhonga uye yakakura kurasika kwemvura. Iyo axial uye yakasanganiswa inoyerera pombi ine yakaderera musoro uye yakatetepa yepamusoro-inoshanda nzvimbo. Kuchinja kwemusoro wavo wekushanda kuchaita kuti kuderedzwa kukuru kwekushanda kwepombi. Nokudaro, axial uye yakasanganiswa inoyerera pombi kazhinji haigoni kushandisa throttling, kutendeuka uye dzimwe nzira dzekugadzirisa kuchinja kushanda kwekushanda kwemamiriro ekushanda; panguva imwe chete, nokuti mutengo wekugadzirisa kukurumidza wakanyanya kukwirira, kushanduka kwekumhanya kwemaitiro hakuwanzoshandiswa mukushanda chaiko. Sezvo axial uye yakasanganiswa inoyerera pombi ine yakakura hub body, zviri nyore kuisa mablades uye blade yekubatanidza tsvimbo nzira dzinogona kugadzirisa kona. Nokudaro, kugadziriswa kwemamiriro ekushanda kweaxial uye kusanganiswa kwemapombi ekuyerera kunowanzotora kuchinja kwekona kugadzirisa, iyo inogona kuita kuti axial uye yakasanganiswa mapombi ekuyerera ashande pasi pemamiriro akanaka ekushanda.
Kana iyo yekumusoro uye yakadzika nhanho yemvura misiyano inowedzera (kureva kuti, musoro wemambure unowedzera), kona yekuisa blade inogadziridzwa kune diki kukosha. Paunenge uchichengetedza hunyanzvi hwepamusoro, mwero wekuyerera kwemvura wakadzikiswa zvakakodzera kudzivirira mota kubva pakuremerwa; apo mutsauko wepamusoro wemvura wepamusoro uye wakadzika unoderera (kureva kuti, musoro wemumbure unoderera), kona yekuisa blade inogadziriswa kune yakakosha kukosha kuti inyatsotakura motokari uye inobvumira pombi yemvura kupomba mvura yakawanda. Muchidimbu, kushandiswa kweshaft uye kusanganiswa kuyerera kwepombi inogona kushandura blade angle inogona kuita kuti ishande munzvimbo yakanakisisa yekushanda, kudzivisa kumanikidzirwa kuvhara uye kuwana kushanda kwepamusoro uye kukwira kwemvura.
Mukuwedzera, kana chikwata chatangwa, kona yekuisa blade inogona kugadziriswa kusvika kune zvishoma, iyo inogona kuderedza kutanga kwemotokari (inenge 1/3 ~ 2/3 yesimba rakarongwa); usati wavhara pasi, blade angle inogona kugadziriswa kune kukosha kuduku, iyo inogona kuderedza kukurumidza kwekudzoka shure uye huwandu hwemvura yemvura inoyerera mupombi panguva yekuvhara, uye kuderedza kukanganisa kunokanganisa kwekuyerera kwemvura pamidziyo.
Muchidimbu, mhedzisiro yekugadziriswa kwe blade angle yakakosha: ① Kugadzirisa kona kune diki kukosha kunoita kuti zvive nyore kutanga nekuvhara; ② Kugadzirisa kona kune kukosha kukuru kunowedzera kuyerera; ③ Kugadzirisa kona kunogona kuita kuti pombi ishande zvine hupfumi. Zvinogona kuonekwa kuti blade angle adjuster inotora nzvimbo yakakosha mukushanda uye kutonga kwepakati nepakati pombi zviteshi.
Muviri mukuru weiyo inogadziriswa zvizere shaft yakasanganiswa yekuyerera pombi ine zvikamu zvitatu: musoro wepombi, regulator, uye mota.
Ⅰ、Musoro wepombi
Iyo chaiyo yekumhanya yeaxial yakasanganiswa inoyerera pombi inogadzirika ndeye 400 ~ 1600 (iyo yakajairwa chaiyo yekumhanya yeaxial inoyerera pombi ndeye 700 ~ 1600), (yakajairika chaiyo kumhanya kwepombi yakasanganiswa inoyerera ndeye 400 ~ 800), uye general musoro uri 0 ~ 30.6m. Musoro wepombi unonyanya kuumbwa nerunyanga rwekupinza mvura (mvura inopinza yekuwedzera joint), rotor parts, impeller chamber parts, guide vane body, pombi chigaro, gokora, pombi shaft parts, kurongedza zvikamu, etc.
1. Rotor chikamu ndicho chikamu chepakati mumusoro wepombi. Iyo ine mablades, rotor body, yakaderera kudhonza tsvimbo, kubereka, crank arm, inoshanda furemu, yekubatanidza tsvimbo uye zvimwe zvikamu. Mushure memusangano wose, static balance test inoitwa. Pakati pavo, iyo blade zvinhu zviri nani ZG0Cr13Ni4Mo (yakanyanya kuoma uye yakanaka kupfeka kuramba), uye CNC machining inogamuchirwa. Zvinhu zvezvikamu zvakasara zvinowanzonyanya ZG.
2. Zvikamu zvekamuri ye impeller zvakazarurwa zvakazarurwa pakati, izvo zvakasimbiswa nemabhoti uye zvakamisikidzwa nemapini econical. Izvo zvinhu zvinonyanya kukosha ZG, uye zvimwe zvikamu zvinogadzirwa neZG + lined Stainless simbi (iyi mhinduro yakaoma kugadzira uye inotarirwa nekuremara kwewelding, saka inofanirwa kudzivirirwa zvakanyanya sezvinobvira).
3. Tungamira vane muviri. Sezvo pombi inogadziriswa zvakakwana iri yepakati kusvika kune yakakura-caliber pombi, kuoma kwekukanda, mutengo wekugadzira uye zvimwe zvinhu zvinotariswa. Kazhinji, iyo inosarudzwa zvinhu ndeye ZG+Q235B. Iyo inotungamira vane inokandwa muchidimbu chimwe chete, uye iyo shell flange iQ235B simbi ndiro. Idzo mbiri dzinoiswa weld uye dzogadziriswa.
4. Pombi shaft: Iyo pombi inogadzirika zvizere kazhinji igomba shaft ine zvimiro zveflange kumagumo ese. Izvo zvinhu zvinonyanya kuumbwa 45 + cladding 30Cr13. Iyo yekupfekedza pamvura inotakura inotakura uye yekuzadza ndiyo inonyanya kuwedzera kuomarara kwayo uye kunatsiridza kupfeka kuramba.
Ⅱ. Nhanganyaya kune zvikamu zvikuru zvemutongi
Mazuva ano, iyo yakavakirwa-mukati blade angle hydraulic regulator inonyanya kushandiswa mumusika. Iyo inonyanya kuve nezvikamu zvitatu: muviri unotenderera, chivharo, uye kudzora kuratidza system bhokisi.
1. Muviri unotenderera: Muviri unotenderera unosanganisira chigaro chekutsigira, silinda, tangi yemafuta, hydraulic power unit, angle sensor, slip ring ring, nezvimwewo.
Muviri wese unotenderera unoiswa pane hombe mota shaft uye inotenderera synchronously neshaft. Yakasungirirwa kumusoro kweiyo huru mota shaft kuburikidza neinokwira flange.
Iyo inokwirisa flange yakabatana nechigaro chekutsigira.
Nzvimbo yekuyeresa yekona sensor yakaiswa pakati pepiston tsvimbo uye tie tsvimbo sleeve, uye angle sensor inoiswa kunze kwehumburumbira yemafuta.
Mhete yemagetsi inotsvedza inoiswa uye inogadziriswa pachivharo chetangi yemafuta, uye chikamu chayo chinotenderera (rotor) chinotenderera synchronously nemuviri unotenderera. Mhedzisiro yakabuda pa rotor yakabatanidzwa kune hydraulic power unit, pressure sensor, sensor yekushisa, angle sensor, uye muganhu wekuchinja; iyo stator chikamu chemagetsi emagetsi slip ring yakabatana kune yekumisa screw pachivharo, uye iyo stator yekubuda yakabatana kune iyo terminal muvhavha yekudzora;
Tsvimbo yepiston yakasungirirwa papombi yemvura inosunga tsvimbo.
Iyo hydraulic power unit iri mukati memafuta tangi, iyo inopa simba rekuita kweiyo silinda yemafuta.
Pane zvindori zviviri zvekusimudza zvakaiswa patangi remafuta kuti zvishandiswe kana regulator yasimudzwa.
2. Kavha (inonziwo fixed body): Inoumbwa nezvikamu zvitatu. Chimwe chikamu chivharo chekunze; chikamu chechipiri ndicho chifukidziro chechivharo; chikamu chechitatu ihwindo rekucherechedza. Chivharo chekunze chinogadziriswa pamusoro pevhavha yekunze yemotokari huru uye inovhara muviri unotenderera.
3. Kudzora kuratidza system bhokisi (sezvinoratidzwa mumufananidzo 3): Inosanganisira PLC, touch screen, relay, contactor, DC magetsi, knob, chiratidzo chechiedza, nezvimwewo pressure uye mamwe ma parameters. Iyo yekudzora sisitimu ine mabasa maviri: kutonga kwenzvimbo uye kure kure. Iwo maviri ekutonga modhi anochinjirwa kuburikidza maviri-chinzvimbo knob pane control display system bhokisi (inonzi "control display box", zvakafanana pazasi).
3. Kuenzanisa uye kusarudzwa kwe synchronous uye asynchronous motors
A. Zvakanakira uye zvazvakaipira synchronous injini
Zvakanakira:
1. Mhepo yemhepo pakati pe rotor uye stator yakakura, uye kuisa uye kugadzirisa zviri nyore.
2. Smooth kushanda uye simba rakawandisa rekutakura.
3. Kumhanya hakuchinje nemutoro.
4. Kubudirira kwepamusoro.
5. Chinhu chesimba chinogona kukwidziridzwa. Reactive simba rinogona kupihwa kune gidhi remagetsi, nekudaro kuvandudza kunaka kwegidhi remagetsi. Mukuwedzera, kana simba rinogadziriswa kune 1 kana pedyo naro, kuverenga pa ammeter kunoderera nokuti chikamu chinogadzirisa chiripo chiri kuderedzwa, izvo zvisingabviri kune asynchronous motors.
Zvakaipa:
1. Iyo rotor inoda kufambiswa neyakazvitsaurira yekukurudzira mudziyo.
2. Mutengo wacho wakakwirira.
3. Kuchengetedza kwakanyanya kuoma.
B. Zvakanakira uye kuipa kweasynchronous motors
Zvakanakira:
1. Rotor haifaniri kubatanidzwa kune mamwe magetsi.
2. Chimiro chakareruka, uremu huremu, uye mutengo wakaderera.
3. Kuchengetedza nyore.
Zvakaipa:
1. Simba rinogadzirisa rinofanira kutorwa kubva kune girasi remagetsi, iro rinokanganisa kunaka kwemagetsi emagetsi.
2. Mhepo yemhepo pakati pe rotor uye stator iduku, uye kuiswa nekugadzirisa hazvibatsiri.
C. Kusarudzwa kwemamota
Kusarudzwa kwemamota ane simba rakatemerwa re1000kW uye yakayerwa kumhanya kwe300r/min kunofanirwa kutariswa zvichienderana nehunyanzvi uye kuenzanisa kwehupfumi zvinoenderana nemamiriro ezvinhu.
1. Muindasitiri yekuchengetedza mvura, kana iyo yakaiswa simba iri pasi pe800kW, asynchronous motors inosarudzwa. Kana iyo yakaiswa inodarika 800kW, masynchronous motors anosarudzwa.
2. Musiyano mukuru pakati peasynchronous motors uye asynchronous motors ndeyekuti kune excitation winding pa rotor, uye thyristor excitation screen inoda kugadziriswa.
3. Dhipatimendi remagetsi renyika yangu rinotara kuti simba remagetsi pamagetsi emushandisi rinofanira kusvika pamusoro pe0.90. Synchronous motors ine yakakwirira simba chinhu uye inogona kusangana nemagetsi zvinodiwa; nepo asynchronous motors ine yakaderera simba chinhu uye haigone kusangana nezvinodiwa zvemagetsi, uye reactive simba muripo unodiwa. Naizvozvo, zviteshi zvepombi zvine asynchronous motors kazhinji zvinofanirwa kuve zvakashongedzerwa zvine reactive magetsi ekubhadhara skrini.
4. Chimiro che synchronous motors chakanyanya kuoma kupfuura cheasynchronous motors. Kana iyo pombi chiteshi purojekiti ichida kufunga nezve kugadzirwa kwemagetsi uye chikamu modulation, synchronous motors dzinofanirwa kusarudzwa.
Kunyatsogadziriswa axial yakasanganiswa kuyerera pombianoshandiswa zvakanyanya muzvikamu zvakamira (ZLQ, HLQ, ZLQK), horizontal (inclined) yuniti (ZWQ, ZXQ, ZGQ), uye inogonawo kushandiswa mune yakaderera-kusimudza uye yakakura-diameter LP zvikamu.
Nguva yekutumira: Oct-18-2024