Five-Column Three-Effect Multi-Pressure Distillation Process
Overview
Iyo mishanu-shongwe nhatu-effect ndiyo nyowani-yekuchengetedza simba tekinoroji yakaunzwa pahwaro hwechinyakare-shongwe shanu mutsauko kudzvanywa distillation, iyo inonyanya kushandiswa kugadzira premium giredhi doro. Midziyo mikuru yechinyakare-shongwe shanu yekusiyanisa kudzvinyirirwa distillation inosanganisira isina kuchena distillation tower, dilution tower, rectification tower, methanol tower, uye shongwe yekusachena. Iyo yekudziya nzira ndeyokuti rectification tower uye dilution tower zvinodziiswa neiyo yekutanga steam kuburikidza neiyo reboiler, uye rectification tower waini mhute inopa kupisa kune isina kuchena distillation tower kuburikidza neiyo reboiler. Iyo dilution tower waini mhute inopa kupisa kune methanol tower kuburikidza ne reboiler. Iyo shongwe yetsvina inoshandisa yakananga chiutsi kuti ipe kupisa zvakananga, uye kushandiswa kwechiutsi kwakakura. Mudziyo mukuru weiyo shanu-column matatu-effect differential pressure distillation zvakare ine crude distillation tower, dilution tower, rectification tower, methanol tower, uye shongwe yekusachena.
Chechipiri, maitiro maitiro
1. Iyo mitatu-miitiro yekudziya yekubatanidza yekudziya yekudziya shongwe ye dilution, de-methanol tower, tsvina shongwe, uye ipapo diluting shongwe uye de-methanol tower kupisa crude distillation tower kuderedza kushandiswa kweutsi. Kugadzirwa kwematani emhando yepamusoro yekunwa doro ndeye 2.2 matani.
2. Chikamu che degassing uye chinoparadzanisa chinorongedzerwa muchikamu chepamusoro che crude distillation tower kuti kuderedze kusvibiswa kwakadai semarara ari mudoro risina kuchena rinopinda mukugadzirisa, nokudaro kuvandudza kuchena kwedoro risina kuchena.
3. Iyo isina kuchena distillation tower reboiler inotora tekinoroji yepatent ye thermosyphon circulation heat panzvimbo yekumanikidza kutenderera kudziyisa modhi, uye simba rekuchengetedza simba rinoshamisa, uye blockage phenomenon ye reboiler heat exchange chubhu inobviswa.
4. Mhangura piper packing inowedzerwa kune distillation system kuti ivandudze kunaka kwekunaka kwedoro rakapedzwa.
Chechitatu, kupisa nzira
Kiyi yekuchengetedza simba kweiyi maitiro ndeyekudziya kwayo modhi, umo iyo yekutanga steam inopfuudzwa kuburikidza ne reboiler kupisa iyo yekugadziridza column. Iyo distillation tower yewaini steam inopihwa kune methanol column uye dilution tower kuburikidza nemethanol column reboiler uye dilution column reboiler. Iyo dilution tower uye methanol tower waini mhute zvakateerana zvakapfuura nemu crude distillation column reboilers A uye B kuti ipe crude distillation tower. Iyo distillation tower mvura yetsvina inopenya utsi kuti ipe shongwe yetsvina. Imwe shongwe inopinda muutsi uye shongwe shanu kuti iwane matatu-effect thermal coupling kuti uwane zvinangwa zvekuchengetedza simba. Kugadzirwa kwematani emhando yepamusoro yekunwa doro ndeye 2.2 matani.
Chechina, mamiriro ezvinhu
Iyo yakaviriswa mature mash inodyiswa kubva pamusoro pe crude distillation column mushure mematanho maviri ekutanga kupisa. Iyo waini mhute iri pamusoro peiyo crude distillation tower inodzorwa uye yobva yanyungudutswa nekunatswa kuita dilution tower yekudzikisa doro risina kukora kusvika 12-18% (v/v). Doro repasi rinogadzikiswa uye rozopinda mushongwe yekugadziridza iri pamutsetse wepamusoro weiyo distillation column. Doro (96% (v/v)) inotorwa kuchikamu che-de-methanol kuti iwedzere kubvisa tsvina yakaita semethanol, uye doro rakapedzwa rinotorwa kubva pasi.
Zvimwe zvakanakira
1. Mukutaura kwekuchengetedza simba, thermosiphon reboiler cycle heat method inotsiva iyo yekumanikidzirwa kutenderera kupisa mode, uye inoshandisa tekinoroji yedu ine patent kudzivirira kuvharika kweiyo reboiler heat exchange chubhu. Kunwa doro patani yedoro i20kwh. Zvichienzaniswa nekuvandudzwa kwekutanga shongwe shanu distillation distillation 40-45kwh, simba rekuchengetedza ndiro 50%, iyo inodzivisa kuchengetedza kwepombi yekumanikidzirwa yekutenderera uye inowedzera hupenyu hwebasa reboiler.
2. Kusachena waini kurapwa: Doro risina kuchena kubva kune crude distillation tower, dilution tower, methanol tower, nezvimwewo, uye waini yakareruka kubva kune fusel mafuta separator inopinda mushongwe yetsvina, uye doro remaindasitiri rinobudiswa mushure mokunge shongwe yehutsvina condenser yapera. Oiri yefuseli inobviswa, uye doro risina kukwaniswa rinotorwa kubva kumutsara wepamusoro weparutivi rinobva rapfuudzwa kudura remvura kuti riwedzere goho redoro rekutanga.
3. Pamusoro pekuvandudza hutano hwedoro, kunze kwezviyero zve teknolojia, chimiro chemichina chakagadziridzwa zvakare. Iyo isina kucheneswa distillation tower yakashongedzerwa neyakasvibira yekuchenesa waini mudziyo, uye distillation tower inopihwa nemhangura yekuzadza sarufa yekubvisa mudziyo kuti ive nechokwadi chekuchena uye kuravira kwedoro.
Yechitanhatu, yakanakisa giredhi doro rekushandisa simba uye mhando yekuenzanisa tafura.
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