Mechanical kukuvara

Mechanical kukuvara
I. Nzira yetsaona

Musi waMay 5, 2017, hydrocracking unit yaiwanzotanga p-1106 / B pombi, kufambisa kwekunze kweLIQUEFIED petroleum gasi.Munguva yekutanga maitiro, zvakaonekwa kuti iyo pombi chisimbiso kuvuza (inlet pressure 0.8mpa, outlet pressure 1.6mpa, yepakati tembiricha 40 ℃).Iyo yekuchinja yekutarisa Guan yakabva yaronga vashandi kuti vamise pombi, kuvhara iyo yekupinza uye yekubuda mavharuvhu, uye kudzoreredza kumanikidza kune torch tambo.Nitrogen replacement yakaitwa.Sezvo magasikisi asina kusvika, musangano wakaronga kuita kugadzirisa musi wa6 Chivabvu.Nenguva dze8:00 musi waChivabvu 6, hydrogenation Workshop 1 yakazivisa musangano wekugadzirisa kuchenesa kweKambani yekuvaka nekugadzirisa kuti itsive P-1106 / B chisimbiso, uye musangano wekugadzirisa kuchenesa kwakaronga vanhu vatanhatu kusanganisira mutungamiri wechikwata chekugadzirisa nekutsiviwa.9:10, hydrogenation yakapa musangano pamberi pekuongororwa kwekuchengetedza basa, pombi uye midziyo mushure mekuvhurika, mvumo yebasa, musangano weHydrogenation shift supervisor kuvhara ongororo yepasaiti, kuvhura pombi inopinza inotungamira mafashamo vharafu, uye yekuburitsa vharafu nekumanikidza. geji nevashandi vekumba yekusimbisa, kutungamira pavharuvhu yemvura pasina kuburitswa kwezvinhu, pombi yekubuda kwegeji yekumanikidza inoratidzwa se "0", Kuvhiya kuchatangwa mushure mekusimbiswa kwepa-saiti nemapato ese.Nenguva dza9:40, apo vashandi vekugadzirisa vakabvisa mabhaudhi ese epombi, pombi yepombi yakangoerekana yabuda kubva pavhoruti, uye anoshanda akabata pombi ichibatanidza neruoko akarova semi-coupling yepombi neruoko rwake rweruboshwe, zvichikonzera. kukuvara paruoko rwake rweruboshwe.

2.Cause analysis

(1) Chikonzero chakananga: Muchiito chekubvisa pombi, pane nitrogen yakasara kudzvinyirirwa mugomba repombi, izvo zvinoita kuti muviri wepombi usundirwe kunze kwegomba repombi, zvichikonzera kukuvara.

(2) Chikonzero chisina kunanga: Musi wa5 Chivabvu, mutungamiri weshifiti akaronga vashandi kuti vagadzirise pombi yeP1106/B, akavhara pombi yekupinza uye mavharuvhu ekubuda, akabvisa kumanikidza kwetochi, uye akatsiva nitrogen.Musi waChivabvu 6, vheruvhu yekugezera yepombi yakavhurwa kuti isunungurwe kusati kwaitwa.Mushure mekusimbisa kuti hapana gasi rakabudiswa, gauge pressure yaive zero, iyo yaifunga zvisiri izvo kuti pakanga pasina svikiro mupombi.Muchokwadi, iyo pombi yekuyeuka yaive neyakasara kudzvanywa nekuda kwekusakwana kwekuvhura nzvimbo yevhavha yekugeza.Pressure gauge range ndeye 4.0mpa, kunyange inosangana nezvinodiwa, asi kana pombi yepombi yakaderera, iyo yakasara yakamanikidzwa nekuda kwekukanganiswa kwekugadzirisa gauge yakarurama haigoni kuratidzwa.

3. Zvakaitika uye zvidzidzo

(1) Chero kuvhiya kunofanirwa kuitwa nemazvo maitiro ekurasa, kuparadzaniswa kwesimba,Lockout tagoutbasa, panguva imwechete ita basa rakanaka rekuita uye kusimbiswa kwezviyero, kuve nechokwadi chekuchengetedzwa uye kutonga kwemaitiro ose ekushanda.

(2) Simbisa manejimendi ekuchengetedza ekuongorora nekuchengetedza mabasa, kunatsiridza kugona kuziva njodzi, uye kuita basa rakanaka rekudzivirira.Pre-work security analysis inofanira kuitwa isati yashanda.Kuongorora kwemidziyo uye kugadzirisa, kunyanya pombi uye kuvhura mashandiro emidziyo, kunofanirwa kunyatsoitwa nekucheneswa, kutamiswa, kudzoreredza kudzvinyirira uye kubvisa kuti ive nechokwadi chekuzviparadzanisa nevamwe, kubvisa uye kubvisa.