Sehlahisoa se Tala Positioning e Bontša Matla a Hardcore丨Liancheng Dalian Plant OTC Fepa Metsi Pompe: E Thusa Setsi se Seholo sa Monolithic sa 800MW Gas Turbine Power Plant

The Rupsha 800MW Combined Cycle Power Plant Project (Khulna) ke morero o moholo ka ho fetisisa oa EPC oa setsi sa motlakase oa turbine ea khase naheng ea Bangladesh. E fumaneha Khulna City, Bangladesh, sebaka sena se bohōle ba lik'hilomithara tse 7.7 feela ho tloha toropong ea Khulna.

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Motseteli le mong'a bona ke Bangladesh Northwest Power Generation Co., Ltd. (NWPGCL), 'me rakonteraka e akaretsang oa EPC ke kopanyo ea Shanghai Electric Group Co., Ltd. (SEC) le Ansaldo (AEN) ea Italy, le Fujian Yongfu Electric. Power Design Co., Ltd. (YONGFU) Bakeng sa tlhahlobo ea morero le yuniti ea moralo.Morero oa 800MW oa seteishene sa motlakase o kopaneng oa potoloho ea motlakase Bangladesh Rupusha o kenyelletsa li-turbine tse peli tsa "F"-class (Alstom GT26), lijenereithara tse peli tsa turbine ea khase, liboiler tse peli tsa mocheso oa litšila, li-turbine tse peli tsa mouoane tse pholileng ka kotloloho le lijenereithara tse peli tsa mouoane. Setsi sa motlakase se sebelisa khase ea tlhaho e le eona mafura a mantlha le HSD ea lebelo le phahameng la disele e le mafura a bolokang chelete. Matla a setsi sa motlakase a romelloa ka ntle ho mohala ka 230kV loops habeli 'me a hokahanngoa le seteisheneng se ka boroa sa PGCB National Grid Khulna.

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Pompo ea metsi ea phepelo ea OTC ea setsi sa motlakase sa 800MW sa turbine sa motlakase se kopaneng Bangladesh Rupusha se sebelisetsoa phepelo ea metsi e tsoelang pele ho turbine ea khase OTC le ho fana ka metsi a futhumatsang mocheso ho OTC desuperheater le se fokotsang khatello (sheba setšoantšo sa 3). Ho na le likarolo tse peli ka kakaretso, yuniti e 'ngoe le e' ngoe e na le lipompo tsa metsi tsa phepelo tsa OTC tsa 2 100%, e 'ngoe e sebetsa le e' ngoe ea standby. Lebitso la mahareng la thomello: phepelo ea metsi ea OTC; PH boleng: 9.2~9.6; boima: 0mmol / l; conductivity: ≤ 0.3ms / cm; litaba tsa oksijene: ≤ 7mg / l; li-ion tsa tšepe: ≤ 20 mg / l; ion koporo: ≤ 5mg/l; E na le silicon dioxide: ≤ 20mg/l.

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Ts'ebetsong ea potoloho e kopaneng ea yuniti, phepelo ea metsi a tsoang ho boiler ea mocheso oa litšila (HRSG) e nang le khatello e phahameng ea khatello e kena ho OTC ea khatello e phahameng, 'me mocheso o lokollotsoeng ke moea o chesang o hlakotsoeng o kena tsamaisong ea ho potoloha ha metsi a mouoane.

Pompo ea metsi ea phepelo ea OTC ea hlokahala ho kopana le maemo a fapaneng a ts'ebetso a OTC ea turbine ea khase. Ha pompo e mathang e tsamaea ka phoso, pompo ea standby e ka kenngoa ts'ebetsong ka bo eona. E le ho finyella litlhoko tse khethehileng tsa ho qala, ho koala le maemo a teko, e ka sebelisoa ka letsoho setšeng, 'me e na le sebopeho sa taolo ea hole ea DCS ka kamoreng ea taolo ea lihlopha.

Lipompompo tse 4 tsa metsi a fepelong tsa OTC seteisheneng sa motlakase sa 800MW se kopantsoeng sa potoloho ea motlakase Rupsha, Bangladesh li ile tsa rekoa ke Shanghai Electric Group Co., Ltd. (SEC) ka kopo. Kamora lipuisano tse ngata tsa tekheniki, Lipotso le Likarabo tsa video, le lipuisano tsa khoebo, qetellong ba ile ba fetoha sehlopha. Pompo ea centrifugal ea mekhahlelo e mengata ea SLDT e entsoeng le ho ntlafatsoa ke semela sa Dalian e phatlalalitse tlhahiso ea eona ea ho hapa.

Pompo ea metsi ea phepelo ea OTC e sebelisa API610-BB4 ea mahlakore a mabeli e tšehetsang khetla e le 'ngoe ea radially split horizontal multi-stage centrifugal pump e entsoeng le ho ntlafatsoa ke semela sa Dalian sa Liancheng Group. Mohlala oa eona ke SLDT80-260D×9 pompo ea centrifugal ea mekhahlelo e mengata.
Pompo ea metsi ea phepelo ea OTC, ts'ebetso ea pompo ea seteishene sena e amana le polokeho ea sesebelisoa kaofela, 'me litlhoko tsa polokeho le botsitso li phahame haholo.

Bakeng sa lipompo tsa metsi a fepa tsa OTC, ntho ea pele eo u lokelang ho nahana ka eona ke tlhaho e tsoetseng pele, kholo, polokeho le botšepehi ba pompo, le phapanyetsano e tebileng ea theknoloji, lipuisano le lipatlisiso lia hlokahala. Pompo ea metsi ea phepelo ea OTC ke sesebelisoa sa bohlokoa sa 800MW seteishene sa motlakase se kopaneng sa potoloho ea motlakase. Ke feela ka ho khetha barekisi ba hloahloa le moralo o ntlafalitsoeng le theknoloji ea tlhahiso moo ho ka netefatsoang ts'ebetso e tsoelang pele ea lisebelisoa tsa motlakase, ho holisa lithahasello tsa likhoebo le potoloho ea nako e telele ea 800MW ea seteishene sa matla a turbine ea khase.

Teko e atlehileng ea pompo ea metsi a fepelo ea OTC bakeng sa seteishene sa motlakase sa turbine sa Rupsha 800MW se kopantsoeng sa motlakase naheng ea Bangladesh e bonts'a hore pompo ea k'hamphani ea OTC fepelo ea metsi sebakeng sa phepelo ea motlakase ka khase e amohetsoe ka botlalo ke bareki bakeng sa ntlafatso ea eona e felletseng ea matla, mme e kopantsoe le ho feta. boetapele ba thekenoloji ea k'hamphani indastering. Ntlafatsa tlholisano ea 'maraka.

Ntle le moo, letoto la SLDT BB4 pompo ea mekhahlelo e mengata ea centrifugal e entsoeng le ho ntlafatsoa ke semela sa Dalian sa Liancheng Group e sebelisitsoe ka tatellano morerong oa ho pheha oa Shanxi Lubao Group Co., Ltd. (boiler metsi mocheso T=158℃), le Cathay Zhongke Hloekisa The litšila mocheso boiler phepelo pompo ea metsi (boiler metsi mocheso T=120-130℃) le merero e meng ea boenjiniere morerong oa ho fehla matla oa Energy Technology Co., Ltd.

Ka bokhutšoanyane, ho itšetlehile ka khopolo ea tsoelo-pele e tala, mokhatlo o hlophisitsoeng, tsamaiso e tsitsitseng, tsoela pele ho fana ka litšebeletso tsa bareki ba maemo a pele, ho sebetsa le bareki ho theha matla a hloekileng, a tlaase, a sireletsehileng le a sebetsang hantle, a tsoele pele ho nka tsela e phahameng. - ntlafatso ea matla a boleng bo botle, 'me e tsoele pele ho theha merero ea boleng bo holimo e hloekileng, e nang le carbon e tlaase Ke sepheo le sepheo se sa fetoheng sa semela sa Dalian sa Liancheng Group.


Nako ea poso: Jul-21-2021