Dongosolo Loyeretsera Mpweya Wachilengedwe

Ndi chitukuko cha anthu athu, timalimbikitsa mphamvu zoyera, kotero kufunikira kwa mpweya wachilengedwe ngati mphamvu yoyera kukukulirakulira. Komabe, mu ndondomeko yogwiritsira ntchito mpweya wachilengedwe, zitsime zambiri za mpweya nthawi zambiri zimakhala ndi hydrogen sulfide, zomwe zimayambitsa dzimbiri pazida ndi mapaipi, kuipitsa chilengedwe ndikuyika pachiwopsezo thanzi la anthu. Ndi chitukuko cha sayansi ndi ukadaulo, Kugwiritsa ntchito kwambiri ukadaulo wochotsa sulfurization wa gasi wachilengedwe kwathetsa mavutowa, koma nthawi yomweyo, mtengo woyeretsa ndi kuchiza gasi wachilengedwe wakwera moyenerera.

Kuchotsa mpweya m'maselo (monga kuchotsera mpweya m'maselo) skid, yomwe imatchedwanso kuti molecular sieve sweeting skid, ndi chida chofunikira kwambiri pa ntchito yoyeretsa mpweya wachilengedwe kapena yokonza mpweya wachilengedwe.

Sieve ya molekyulu ndi kristalo ya aluminosilicate yachitsulo cha alkali yokhala ndi kapangidwe ka mafupa ndi kapangidwe ka microporous kofanana. Ndi adsorbent yokhala ndi magwiridwe antchito abwino kwambiri, mphamvu yayikulu yolowetsa madzi ndi kusankha kwa adsorption. Choyamba, pali njira zambiri zokhala ndi kukula kofanana kwa ma pore ndi mabowo okonzedwa bwino mu kapangidwe ka sieve ya molekyulu, zomwe sizimangopereka malo akuluakulu kwambiri, komanso zimaletsa kulowa kwa mamolekyulu akuluakulu kuposa mabowo; Kachiwiri, pamwamba pa sieve ya molekyulu pali polarity yayikulu chifukwa cha mawonekedwe a ionic lattice, kotero imakhala ndi mphamvu yayikulu yolowetsa madzi mamolekyu osakhuta, mamolekyu a polar ndi mamolekyu otha kufalikira. Madzi ndi hydrogen sulfide ndi mamolekyu a polar, ndipo mainchesi a molekyulu ndi ochepa kuposa mainchesi a pore a sieve ya molekyulu. Mpweya wosaphika wokhala ndi madzi ochepa ukadutsa pabedi la sieve ya molekyulu kutentha kwa chipinda, madzi ochepa ndi hydrogen sulfide zimayamwa, motero, kuchuluka kwa madzi ndi hydrogen sulfide mu mpweya wodyetsa kumachepa, ndipo cholinga cha kusowa madzi m'thupi ndi desulfurization chimakwaniritsidwa. Njira yothira madzi mu sieve ya molecular imaphatikizapo kukhuthala kwa capillary ndi kukhuthala kwa thupi komwe kumachitika chifukwa cha mphamvu ya van der Waals. Malinga ndi Kelvin equation, kukhuthala kwa capillary kumachepa ndi kutentha, pomwe kukhuthala kwa thupi ndi njira yochokera ku exothermic, ndipo kukhuthala kwake kumachepa ndi kutentha komwe kumawonjezeka ndikuwonjezeka ndi kuthamanga; Chifukwa chake, njira yothira madzi mu sieve ya molecular nthawi zambiri imachitika pa kutentha kochepa komanso kuthamanga kwambiri, pomwe kukonzanso kosanthula kumachitika pa kutentha kwakukulu komanso kuthamanga kochepa. Pogwiritsa ntchito mpweya wokonzanso kutentha kwambiri, woyera komanso wotsika, sieve ya molecular adsorbent imatulutsa adsorbate mu micropore kupita mu mpweya wokonzanso mpaka kuchuluka kwa adsorbate mu adsorbent kufika pamlingo wotsika kwambiri. Imathanso kukhuthala madzi ndi hydrogen sulfide kuchokera ku mpweya wodyetsa, ndikuzindikira njira yokonzanso ndi kubwezeretsanso sieve.

Mndandanda waukulu wa makonzedwe a chipangizo chochotsera sulfurization

Mndandanda wa makonzedwe a tebulo la gawo la molekyulu la desulfurization la sieve

Zipangizo zazikulu zafotokozedwa motere.

Chidziwitso: 1. Mndandanda wa zida zazikulu zogwirira ntchito ukugwirizana ndi dongosolo la PID

2. Mndandanda wa zida zosinthira zoyambira ntchito ndi zaka ziwiri zogwirira ntchito udzaperekedwa mu chikalata china.

3. Muyezo wakunja wa chipangizocho ndi flange ya gost, ndipo ma gasket ndi zomangira zimaperekedwa pamalire a thanki yosungiramo zinthu ndi zida;

4. Deta yaukadaulo ya zida zomwe zafotokozedwa mu Annex iyi iyenera kutsatiridwa ndi kapangidwe komaliza.