
pressuriser (nuclear power)

pressurised vaattar reactorinte oru gadakamaanu pressuriser. pressurised vaattar reactorinte adisthaana roopakalppanayil reactor koolant sisttathile koolant (vellam) thilappikkaathirikkendathi aavasyakatha ulppedunnu. mattoru vidhathil paranjaal, koolant ellaayppozhum draavakaavasthayil aayirikkanam, prathyekichu reactor paathratthil. ithu nedunnathinu, reactor koolant sisttathile koolant vendathra uyarnna marddathil nilanirthunnu, plaant pravarthikkumbozho vishakalanam cheytha eathenkilum shanikamaaya avasthayilo anubhavappedunna koolant thapanilayil thilappikkal sambhavikkunnilla. pravartthana thapanilayil koolantinte neeravi marddathekkaal uyarnna marddathilekku koolant systethe sammarddathilaakkaan oru prathyeka pressurising sisttam aavasyamaanu. ithu pressuriserinte roopathilaanu.
design.
oru pressurised vaattar reactor plaantil, pressuriser adisthaanaparamaayi ardhagola attangalulla oru silindar mardha paathramaanu, neelamulla achuthandil lambamaayi gadippichirikkunnu, koodaathe reactor koolant sisttavumaayi orotta rann piping vazhi nerittu bandhippichirikkunnu. reactor kandeynment kettidatthinullilaanu ithu sthithi cheiyunnathu. pressuriserile vellam reactor koolant sisttathinte backie bhaagangalile athe reactor koolantaanengilum, athu adisthaanaparamaayi nischalamaanu, athaayath.iii. reactor koolant sisttathinte mattu bhaagangalilennapole prasharaisariloode reactor koolant thudarchayaayi ozhukunnilla. athinte swathasidhamaaya amarchayillaayma kaaranam, connectucheytha piping sisttathile vellam connectucheytha sisttathile evideyum sammarda mattangalumaayi thulyamaayi krameekarikkunnu. uyarathile vyathyaasangal kaaranam sisttathile vellam sisttathile ellah pooyintukalilum ore marddathilaayirikkilla, pakshe ellah pooyintukalileyum marddam sisttathinte eathenkilum oru bhaagathe mardha maattathodu thulyamaayi prathikarikkunnu. eee prathibhaasatthil ninnu, reactor ulppede muzhuvan reactor koolant systethileyum marddam sisttathinte parasparam bandhippichirikkunna oru cheria pradeshathe marddam niyanthrikkunnathiloode niyantrikkaan kazhiyumennu neratthe thanne amgeekarikkukayum ithu pressuriserinte roopakalppanayilekku nayikkukayum cheythu. reactor koolant sisttathile mattu rund pradhana paathrangalaaya reactor pathravum steem generatorum (kall) thaarathamyam cheyyumbol pressuriser oru cheria paathramaanu.
sammarda niyanthranam.
pressuriserile koolantinte thapanilayil maattam varuthunnathiloodeyaanu pressuriserile marddam niyanthrikkunnath. oru adacha samvidaanathile jala marddam jalathinte thaapanila nerittu tracucheyyunnu; thaapanila uyarumbol, marddam uyarunnu, thirichum. reactor koolant sisttathile marddam vardhippikkunnathinu, pressuriserile valia electric heaterukal oonaakkukayum pressuriserile koolant thaapanila uyarthukayum athuvazhi marddam vardhippikkukayum cheiyunnu. reactor koolant sisttathile marddam kuraykkunnathinu, pressuriserinullil thaarathamyena thanutha vellathinte spray oonaakkukayum pressuriserile koolant thaapanila kuraykkukayum athuvazhi marddam kuraykkukayum cheiyunnu.
dvitheeya pravartthanangal.
pressuriserinu rund dvitheeya pravarthanangalundu. 
jalanirapp nireekshikkuka.
reactor koolant samvidaanathil jalanirapp nireekshikkaan oru sthalam nalkunnu. saadhaarana pravarthanangalil reactor koolant samvidaanam poornnamaayum vellathinadiyilaayathinaal, mattu paathrangalile koolantinte alavu nireekshikkunnathil ardhamilla. ennaal reactor korinte surakshaykk koolantinte alavu kurayunnathinekkurichulla (allengil koolantinte nashtam) neratheyulla avabodham pradhaanamaan. pressuriserinu mathiyaya koolant undengil, reactor koolant sisttathile matellaa paathrangalum (athinu thaazheyullava) poornnamaayum koolant kondu nirachathaanennu oraalkk nyayamaayum urappikkaavunna vidhathil pressuriser reactor kandeynment kettidatthil manahpoorvvam sthithicheyyunnu. athinaal, pressuriseril oru koolant level monittaring sisttamund, ithu saadhaaranayaayi koolant nirayaatha oru reactor koolant sisttam paathramaanu. reactor koolant sisttathile pettennulla mardha maattangalkk oru "kushan" nalkuka ennathaanu mattoru dvitheeya pravartthanam. pressuriserinte mukal bhagam prathyekamaayi roopakalppana cheythirikkunnathu draavaka koolant adangaathathinaanu, koodaathe level instrumenteshanil poornnamaayi vaayikkunnath aaa mukal bhaagath draavaka koolant adangiyittillennu anuvadikkunnu. saadhaarana pravarthanangalil pressuriserile koolant valare choodullathinaal, liqvid koolantinu mukalilulla sthalam bashpeekarikkappetta koolant (neeravi) aanu. eee neeravi kumilakal reactor koolant samvidaanathile sammarda maattangalkk oru kushyan nalkunnu, koodaathe pravartthana samayat ellah samayathum pressuriser eee neeravi kumilakal paripaalikkunnuvenn oopparettarmaar urappaakkunnu. pressuriser poornnamaayum niraykkaan liqvid koolantine anuvadikkunnathu eee steem bubble illaathaakkunnu, vyavasaayathil pressuriserine "kadinamaayi pookaan" anuvadikkunnathaayi ithine paraamarsikkunnu. pettennulla mardha maattam muzhuvan reactor koolant systethinum oru hammer prabhavam nalkumennaanu ithinartham. chila soukaryangal ithine pressuriserine "kharamaakaan" anuvadikkunnuvennum vilikkunnu, ennirunnaalum kharamaayath poornnamaayum draavakam niranjathum "neeravi kumilayillaathathum" ennaanu soochippikkunnathu."
amita mardha nivaarana samvidaanam.
sammarda samvidaanathinte bhagam amita sammarda nivaarana samvidaanamaanu. pressuriser marddam oru nischitha paramavadhi kaviyunna saahacharyathil, pressuriserinu mukalil pailat oopparettad releaf valve (pii. oo. aarr. vii) enna oru releaf valve undu, ithu marddam kuraykkunnathinaayi steem babilil ninnulla neeravi pressuriseril ninnu purathupokaan anuvadikkunnu. eee neeravi reactor kandeynment kettidatthile oru valia tankilekk (allengil taankukal) vazhithirichuvidukayum athu veendum draavakamaayi (ghaneebhavicha) thanuppikkukayum pinneedu dispositionaayi sookshikkukayum cheiyunnu. eee taankukalude alavu parimithamaanu, taankukal nirayunna ghattathilekku sambhavangal vashalaakukayaanenkil, taankukalile (kalile) oru dvitheeya mardha nivaarana upakaranam, palappozhum oru villal disk, contensed reactor koolant reactor kandeynment kettidatthinte tharayilekku ozhukaan anuvadikkunnu, avide athu pinneedu swabhaavathinaayi sambukalil poozhtthunnu.

