Dhipatimendi reDrainage Services reHong Kong Special Administrative Region Hurumende yakazvipira kubatsira kuderedza kushanduka kwemamiriro ekunze pasi rose. Kwemakore, kuchengetedza simba uye kushandiswazve kwesimba zvivakwa zvakaiswa mune zvimwe zvirimwa zvayo. Nekuparurwa zviri pamutemo kweHong Kong's "Harbour Purification Plan Phase II", Dhipatimendi reDrainage Services rakaisa hydraulic turbine simba rekugadzira magetsi paStonecutters Island Sewage Treatment Plant (nzvimbo yekuchenesa tsvina ine hukuru hukuru hwekuchenesa tsvina muHong Kong), iyo inoshandisa iyo hydraulic simba remvura inoyerera kutyaira magetsi ejenareta muchirimwa, uye ipapo kushandisa turbine jenareta muchirimwa. Iri bepa rinosuma sisitimu, kusanganisira zvimhingamipinyi zvinosanganikwa nazvo mukuitwa kwemapurojekiti akakodzera, zvinotariswa uye hunhu hwemagadzirirwo ehurongwa nekuvaka, uye mashandiro ehurongwa. Iyo sisitimu haingobatsiri chete kuchengetedza mutengo wemagetsi, asiwo inoshandisa mvura kuderedza kabhoni.
1 Kusuma chirongwa
Chikamu chechipiri A che "Harbour Purification Plan" chirongwa chikuru chakaitwa neHong Kong Special Administrative Region Government kuvandudza kunaka kwemvura yeVictoria Harbour. Yakaiswa zviri pamutemo mukushandiswa kwakazara muna Zvita 2015. Kukura kwayo kwebasa kunosanganisira kuvakwa kwemugero wetsvina yakadzika ine hurefu hwakazara hunosvika 21km uye 163m pasi pevhu, kutakura tsvina inogadzirwa kuchamhembe nekumaodzanyemba kwakadziva kumadokero kwechitsuwa ichi kuenda kuStonecutters Island Sewage Treatment Plant, uye kuwedzera hunyanzvi hwekurapa kweiyo suweji ye45m3 × 2 sewage masevhisi. kune vagari vangangosvika mamirioni 5.7. Nekuda kwekuganhurirwa kwevhu, Stonecutters Island Sewage Treatment Plant inoshandisa makumi mana nematanhatu ematangi edhizaini maviri ekunatsiridza makemikari ekutanga kurapwa kwetsvina, uye ese maviri seti ega ega matangi emvura anogovera shaft yakatwasuka (kureva kuti, huwandu hwemashaft makumi maviri nenhatu) kutumira tsvina yakacheneswa kumvura yakadzika pombi yepasi pevhu.
2 Inokodzera tsvakiridzo yekutanga nekusimudzira
Tichitarisa huwandu hukuru hwetsvina inobatwa neStonecutters Island Sewage Treatment Plant zuva rega rega uye yakasarudzika kaviri-layer dhizaini yeayo sedimentation tank, inogona kupa imwe huwandu hwesimba re hydraulic uku ichiburitsa tsvina yakacheneswa kutyaira turbine jenareta kugadzira magetsi. Chikwata cheDrainage Services Department chakabva chaita ongororo yakafanira muna 2008 ndokuita ongororo dzakatevedzana. Mhedzisiro yezvidzidzo zvekutanga izvi inosimbisa kugona kwekuisa majenareta eturbine.
Kuisa nzvimbo: mune shaft ye sedimentation tank; Kubudirira kwemvura kudzvinyirirwa: 4.5 ~ 6m (iyo chaiyo yakagadzirwa inobva pane chaiyo yekushanda mamiriro mune ramangwana uye nzvimbo chaiyo ye turbine); Kuyerera kwemhando: 1.1 ～ 1.25 m3 / s; Maximum kubuda simba: 45 ~ 50 kW; Zvishandiso uye zvekushandisa: Sezvo tsvina yakacheneswa ichine imwe corrosity, zvinhu zvakasarudzwa uye midziyo ine hukama inofanira kuva nedziviriro yakaringana uye kusagadzikana kwekuora.
Panyaya iyi, Dhipatimendi reDrainage Services rakachengetera nzvimbo yemaseti maviri ematangi etsvina mupombi yekuchenesa tsvina kuti aise turbine system yekugadzira magetsi muchirongwa chekuwedzera che “Harbour Purification Project Phase II”.
3 Sistimu Dhizaini Mafungidziro uye Zvimiro
3.1 Magetsi anogadzirwa uye anoshanda nesimba remvura
Ukama huri pakati pesimba remagetsi rinogadzirwa ne hydrodynamic simba uye rinoshanda simba remvura rinotevera: simba remagetsi rinogadzirwa (kW)=[density yetsvina yakacheneswa ρ (kg/m3) × Kuyerera kwemvura Q (m3/s) × Kubudirira kwemvura kudzvinyirirwa H (m) × Gravity constant g (9.807 m/s10)0 ÷07 m/s1000 ÷07 m/s2)]
× Kushanda kwehurongwa hwese (%). Iyo inoshanda yemvura inodzvinyirira ndiyo mutsauko pakati peiyo yakanyanya kubvumidzwa nhanho yemvura yeshaft uye chiyero chemvura cheiyo shaft iri pedyo mumvura inoyerera.
Mune mamwe mazwi, iyo yakakwirira yekuyerera kwevelocity uye inoshanda yemvura kudzvinyirira, iyo yakakura simba rinogadzirwa. Naizvozvo, kuitira kuburitsa simba rakawanda, chimwe chezvinangwa zvekugadzira ndechekugonesa iyo turbine system kuti igamuchire iyo yepamusoro yekuyerera kwemvura yekumhanya uye inoshanda yemvura kumanikidza.
3.2 Mapoinzi akakosha ekugadzira system
Chekutanga pane zvese, maererano nedhizaini, iyo ichangobva kuisirwa turbine system haifanire kukanganisa kushanda kwakajairwa kwenzvimbo yekuchenesa tsvina zvakanyanya sezvinobvira. Semuyenzaniso, sisitimu yacho inofanirwa kunge iine zvidziviriro zvakakodzera kudzivirira tangi rekunyungudusa sedimentation kubva pakupfachuka kwetsvina yakacheneswa nekuda kwekutadza kutonga system. Maitiro ekushanda akatemerwa panguva yekugadzira: chiyero chekuyerera 1.06 ～ 1.50m3 / s, inoshanda yemvura kudzvinyirira siyana 24 ～ 52kPa.
Pamusoro pezvo, sezvo tsvina inocheneswa netangi retsvina ichiri nezvimwe zvinhu zvinoparadza, senge hydrogen sulfide nemunyu, zvese turbine system chikamu zvinhu zvinosangana netsvina yakacheneswa zvinofanirwa kunge zvisingaite ngura (senge duplex Stainless simbi zvinhu zvinowanzo shandiswa kugadzira tsvina yetsvina), kuitira kuvandudza kusimba kwehuwandu hwekugadzirisa uye kuderedza huwandu hwekugadzirisa.
Panyaya yekugadzira dhizaini yemagetsi, sezvo simba rekugadzira turbine yetsvina isina kugadzikana zvachose nekuda kwezvikonzero zvakasiyana, iyo yese yemagetsi dhizaini system yakabatana pamwe chete negridi kuchengetedza yakavimbika magetsi. Iyo grid yekubatanidza icharongwa zvinoenderana nehunyanzvi nhungamiro yekubatanidza grid yakapihwa nekambani yemagetsi uye Electrical uye Mechanical Services Dhipatimendi reHong Kong Special Administrative Dunhu Hurumende.
Mukutaura kwekugadzirisa pombi, kuwedzera kune zvipingamupinyi zvesaiti zviripo, kudiwa kwekugadzirisa nekugadzirisa system kunoonekwawo. Panyaya iyi, chirongwa chepakutanga chekuisa hydraulic turbine mune yekugadzika tangi shaft yakatsanangurwa muchirongwa cheR&D yakashandurwa. Pane kudaro, tsvina yakacheneswa inotungamirirwa kunze kwegomba nehuro uye inotumirwa kune hydraulic turbine, iyo inoderedza zvikuru kuoma uye nguva yekugadzirisa uye inoderedza kukanganiswa kwekushanda kwakajairwa kwechigadzirwa chekuchenesa tsvina.
Tichifunga nezve chokwadi chekuti tangi yekunyungudika pano neapo inoda kumiswa kuti igadziriswe, huro yeturbine system yakabatana nemashaft maviri emaseti mana ematangi edhizaini edhizaini. Kunyangwe kana seti mbiri dzematangi ekunyungudusa akamira kushanda, mamwe maviri seti ematangi ekudzikisa anogona zvakare kupa tsvina yakacheneswa, kutyaira iyo turbine system, uye kuenderera mberi nekugadzira magetsi. Pamusoro pezvo, nzvimbo yakachengeterwa pedyo neshaft ye47/49 # sedimentation tank yekumisikidza yechipiri hydraulic turbine power generation system mune ramangwana, kuitira kuti kana seti ina dzematangi ekunyungudutsa achishanda zvakajairika, masystem maviri ekugadzira magetsi eturbine anogona kugadzira simba panguva imwe chete, kusvika pakukwanisa kwesimba guru.
3.3 Kusarudzwa kwe hydraulic turbine uye jenareta
Hydraulic turbine ndiyo yakakosha mudziyo weiyo yese simba rekugadzira system. Turbines dzinogona kukamurwa kuita mapoka maviri zvichienderana nemusimboti wekushandisa: pulse type uye reaction type. Impulse type ndeyekuti mvura inopfura kune turbine blade nekumhanya kwakanyanya kuburikidza neakawanda nozzles, uye yobva yatyaira jenareta kugadzira simba. Rudzi rwekuita runopfuura nepakati pe turbine blade kuburikidza nemvura, uye inoshandisa mwero wemvura kudzvanywa kutyaira jenareta kuburitsa simba. Muchigadziro ichi, zvichibva pakuti tsvina yakacheneswa inogona kupa mvura shoma shoma kana ichiyerera, Kaplan turbine, imwe yemhando dzakakodzera dzekuita, inosarudzwa, nokuti iyi turbine ine hukuru hwepamusoro pamvura yakadzika uye yakatetepa, iyo inonyanya kukodzera nzvimbo shoma pane nzvimbo.
Panyaya yejenareta, magineti echigarire synchronous jenareta inofambiswa neinogara ichimhanya hydraulic turbine inosarudzwa. Jenareta iyi inogona kuburitsa yakagadzikana voltage uye frequency pane asynchronous jenareta, saka inogona kuvandudza magetsi emagetsi, kuita kuti parallel gidhi rive nyore, uye inoda kushoma kugadzirisa.
4 Kuvaka uye Kushanda Zvimiro
4.1 Grid parallel kurongeka
Iyo grid yekubatanidza ichaitwa zvinoenderana nehunyanzvi nhungamiro yekubatanidza grid yakapihwa nekambani yemagetsi uye Electrical uye Mechanical Services Dhipatimendi reHong Kong Special Administrative Dunhu Hurumende. Zvinoenderana negwara, iyo inovandudzwa simba rekugadzira simba system inofanirwa kuve ine anti Islanding kuchengetedza basa, iyo inogona kuparadzanisa yakakodzera inovandudzwa simba rekugadzira simba system kubva kune yekugovera sisitimu kana giredhi remagetsi richimira kupa simba chero chikonzero, kuitira kuti renewable simba rekugadzira simba system isakwanise kuenderera mberi nekupa simba kuhurongwa hwekugovera, kuitira kuti ive nechokwadi chekuchengetedzwa kwevashandi vemagetsi einjiniya vanoshanda pagridi kana kugovera system.
Panyaya yekushanda kwakabatana kwesimba rekupa simba, iyo inovandudzwa simba rekugadzira simba system uye yekugovera sisitimu inogona kuwiriraniswa chete kana iyo voltage intensity, chikamu chekona kana frequency musiyano inodzorwa mukati memiganhu inogamuchirwa.
4.2 Kudzora uye kudzivirira
Iyo hydraulic turbine simba rekugadzira system inogona kudzorwa mune otomatiki kana yemanyorero maitiro. Mune otomatiki modhi, mashaft e sedimentation tank 47/49 # kana 51/53 # inogona kushandiswa sesosi yesimba re hydraulic, uye iyo control system inotanga akasiyana mavharuvhu ekudzora zvinoenderana neiyo default data kusarudza akanyanya kukodzera sedimentation tank, kuitira kukwidziridza iyo hydraulic turbine simba rekugadzira. Uye zvakare, vharafu yekudzora inongogadzirisa iyo yekumusoro sewage level kuitira kuti sedimentation tangi irege kufashukira tsvina yakacheneswa, nekudaro ichiwedzera chizvarwa chemagetsi kusvika padanho repamusoro. Iyo turbine jenareta system inogona kudzorwa mukamuri huru yekudzora kana pane saiti.
Panyaya yekudzivirira nekudzora, kana bhokisi remagetsi remagetsi kana vharuvhu yekudzora ye turbine system ikatadza kana mwero wemvura ukadarika mwero unobvumidzwa wemvura, iyo hydraulic turbine yemagetsi system inomisawo otomatiki kushanda uye kuburitsa tsvina yakacheneswa kuburikidza nepombi yekupfuura, kuitira kudzivirira tangi yekunyudza sedimentation kubva pakufashukira kwetsvina yakacheneswa nekuda kwekutadza kwehurongwa.
5 Kuita kwekushanda kwehurongwa
Iyi hydraulic turbine power generation system yakaiswa mukushanda pakupera kwa2018, ine avhareji yemwedzi inobuda inodarika 10000 kW · h. Iyo inoshanda yemvura inomanikidza iyo inogona kutyaira iyo hydraulic turbine simba rekugadzira system inoshandukawo nenguva nekuda kweiyo yakakwira uye yakaderera kuyerera kwetsvina inounganidzwa uye inogadziriswa neiyo sewage yekuchenesa chirimwa mazuva ese. Kuti uwedzere simba rinogadzirwa neiyo turbine system, Dhipatimendi reDrainage Services rakagadzira hurongwa hwekutonga kuti hugadzirise otomatiki torque yekushanda kweturbine zvinoenderana nekuyerera kwetsvina yemazuva ese, nekudaro ichivandudza simba rekugadzira simba. Mufananidzo 7 unoratidza hukama pakati pesimba rekugadzira hurongwa nekuyerera kwemvura. Kana kuyerera kwemvura kuchipfuura mwero wakatarwa, sisitimu inozoshanda yega kugadzira magetsi.
6 Matambudziko Nekugadzirisa
Dhipatimendi reDrainage Services rakasangana nematambudziko akawanda mukuita mapurojekiti akakodzera, uye rakagadzira hurongwa hunoenderana mukupindura matambudziko aya,
7 Mhedziso
Pasinei nematambudziko akasiyana-siyana, iyi seti ye hydraulic turbine power generation system yakabudirira kuiswa mukushanda pakupera kwe 2018. Ivhareji yemwedzi wega wega simba rekubuda kwegadziriro inopfuura 10000 kW · h, iyo yakaenzana neavhareji yemwedzi wega wega kushandiswa kwesimba kwemhuri dzinenge 25 Hong Kong (avhareji yemwedzi wega wega kushandiswa kwesimba kweimba imwe neimwe yeHong Kong muna 2010k · W) inenge 2010k. Dhipatimendi reDrainage Services rakazvipira "kupa marara epasi rose uye mvura inonaya kurapwa uye masevhisi ekufambisa kusimudzira budiriro yeHong Kong", uku ichikurudzira kuchengetedza kwezvakatipoteredza uye mapurojekiti ekushanduka kwemamiriro ekunze. Mukushandiswa kwesimba remagetsi, Dhipatimendi reDrainage Services rinoshandisa biogas, simba rezuva uye simba rinobva mukuyerera kwetsvina yakacheneswa kugadzira simba rinogoneka. Mumakore mashomanana adarika, avhareji yegore negore simba rinogadziriswa rinobudiswa neDrainage Services Department inenge mamiriyoni makumi maviri nenomwe kW · h, iyo inogona kusangana nezvinodiwa zvesimba zve9% yeDrainage Services Department. Dhipatimendi reDrainage Services richaenderera mberi nekuedza kwaro kusimbisa nekusimudzira kushandiswa kwesimba rinowanikwazve.
Nguva yekutumira: Nov-22-2022
