Umgangatho oPhakamileyo waseTshayina aBaboneleli beZityalo zoNyango lweGesi yeNdalo - iMolekyuli ye-sieve desulphurization skid – Rongteng

Umgaqo

I-molecular sieve desulphurization (desulfurization) skid, ekwabizwa ngokuba yi-molecular sieve sweeting skid, sisixhobo esiphambili sokucoca irhasi yendalo okanye ukulungiswa kwegesi yendalo. I-molecular sieve yikristale ye-alkali yensimbi ye-aluminosilicate enesakhiwo sesakhelo kunye nesakhiwo esifanayo se-microporous. Xa igesi yokutya equkethe amanzi okulandelela idlula kwi-molecular sieve bed kwiqondo lokushisa, i-trace water kunye ne-mercaptan iyaxutywa, ngaloo ndlela inciphisa umthamo wamanzi kunye ne-mercaptan kwigesi yokutya, iqonda injongo yokuphelelwa ngamanzi kunye ne-desulfurization. Inkqubo ye-adsorption ye-molecular sieve ibandakanya i-capillary condensation kunye ne-adsorption ebonakalayo ebangelwa yi-van der Waals force. Ukususela kwi-equation ye-Kelvin, kunokubonwa ukuba i-capillary condensation iyancipha ngokunyuka kweqondo lokushisa, ngelixa i-adsorption yomzimba yinkqubo ephumayo, kwaye i-adsorption yayo iyancipha ngokunyuka kweqondo lokushisa kunye nokunyuka ngokunyuka koxinzelelo; ngoko ke, inkqubo ye-adsorption ye-molecular sieve idla ngokuqhutyelwa kwiqondo lokushisa eliphantsi kunye noxinzelelo oluphezulu, ngelixa ukuvuselelwa kwe-desorption kuqhutyelwa kwiqondo lokushisa eliphezulu kunye noxinzelelo oluphantsi. Ngaphantsi kwesenzo sobushushu obuphezulu, igesi ecocekileyo kunye noxinzelelo oluphantsi lokuvuselela igesi, i-molecular sieve adsorbent ikhupha i-adsorbate kwi-micropore kwi-regeneration gas flow de isixa se-adsorbate kwi-adsorbent sifikelele kwinqanaba eliphantsi kakhulu, kwaye inamandla okufunxa amanzi kunye ne-mercaptan kwigesi yokutya, ukuqonda inkqubo yokuhlaziywa kwe-molecular kunye ne-recycling process.

Inkqubo yezobuchwepheshe

Inkqubo yokuhamba kwegesi yendalo ye-molecular sieve desulphurization (desulfurization) skid iboniswe kumzobo. Iyunithi yamkela iinkqubo ezintathu zeenqaba, enye i-adsorption ye-tower, enye i-tower regeneration kunye nokupholisa kwinqaba enye. Emva kokususa i-entrained hydrocarbon liquid ngokusebenzisa isahluli segesi yokutya, igesi yokutya ingena kwi-molecular sieve desulfurization tower. Amanzi kunye ne-mercaptan kwigesi yokutya ibhengezwa sisihluzo semolekyuli ukuqonda ukuphelelwa ngamanzi emzimbeni kunye nenkqubo ye-mercaptan adsorption. Irhasi ecociweyo evela kukuphelelwa ngamanzi emzimbeni kunye nokususwa kwe-mercaptan ingena kwimveliso yegesi yothuli lokucoca ukususa uthuli lwe-molecular sieve, kwaye emva koko ithunyelwa ngaphandle njengegesi yemveliso.

I-molecular sieves kufuneka ihlaziywe emva kokubhengeza umlinganiselo othile wamanzi kunye ne-mercaptan. Emva kokucoca uthuli lwegesi yemveliso, inxalenye yegesi yemveliso ikhutshwa njengegesi yokuvuselela. Emva kokuba igesi ifudunyezwe kwi-300 ℃ ngeziko lokufudumeza, inqaba ifudunyezwa ngokuthe ngcembe ukuya kwi-272 ℃ ngokusebenzisa i-molecular sieve desulfurization tower egqibe inkqubo yobhengezo ukusuka ezantsi ukuya phezulu, ukuze amanzi kunye ne-mercaptan adsorbed kwi-molecular sieve inokwahlulwa ibe yinkqubo yokuvuselela ngokutsha kwaye ibe nobutyebi bokuhlaziya kwakhona.

Iparamitha yoyilo

Ubuninzi bokuphatha umthamo 2200 St.m3 / h
Uxinzelelo lwenkqubo yokusebenza 3.5 ~ 5.0MPa.g
Uxinzelelo loyilo lwenkqubo 6.3MPa.g
Ubushushu be-Adsorption yi-44.9℃