Ufungaji wa Kemikali kwa ajili ya Kusafisha Mafuta

2025-06-27

Katika shughuli za kitengo cha kemikali kama vile kunereka, kunyonya, na uchimbaji katika makampuni ya kusafisha mafuta, vifungashio maalum vya utendaji vinahitajika ili kuboresha ufanisi wa uhamishaji wa joto na joto. Ifuatayo ni maelezo ya kina ya aina zinazotumiwa sana za vifungashio vya kemikali na mahitaji yao ya kiufundi:

I. Aina zinazotumiwa sana za vifungashio vya kemikali katika usafishaji wa mafuta enterprises

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1 . Umbo la pete packings

Raschig Pete: Muundo rahisi, ambao zaidi umetengenezwa kwa kauri, metali, au plastiki. Hapo awali ilitumika katika minara ya kunereka na kunyonya, lakini kwa upinzani wa juu na ufanisi wa chini. Hivi sasa, zinaondolewa hatua kwa hatua.

Pete ya Pall: Tabaka mbili za mashimo ya mstatili hufunguliwa kwenye ukuta wa Pete ya Raschig, na vile vya ndani vilivyopinda huongeza usambazaji wa kioevu cha gesi, kupunguza upinzani kwa takriban 50% na kuongeza ufanisi kwa 30%. Nyenzo za chuma (kama vile chuma cha pua) zinafaa kwa vyombo vya habari vya halijoto ya juu, shinikizo la juu na vyenye salfa (kama vile vitengo vya hidrojeni).

Pete ndogo ya Cascade: Urefu ni nusu tu ya kipenyo, na mwisho uliopanuliwa, kuboresha mawasiliano kati ya vifungashio na usambazaji wa kioevu. Ufanisi wa uhamisho wa wingi ni 10% hadi 20% juu kuliko ule wa Pall Ri packings

Arc Saddle (Berl Saddle): Nyenzo za kauri, na uso uliopinda. Usambazaji wa kioevu ni sawa zaidi kuliko ule wa vifungashio vya umbo la pete, lakini inakabiliwa na kuweka, na kusababisha kupungua kwa ufanisi. Sasa haitumiki sana.

Intalox Saddle (Rectangular Saddle): Inaboresha muundo wa ulinganifu wa tandiko la arc ili kuepuka kuweka, ina uwiano wa juu wa utupu, na inastahimili mmomonyoko. Inafaa kwa minara ya kunyonya (kama minara ya desulfurization), na nyenzo za kauri ni sugu kwa vyombo vya habari vya asidi (kama vile H2S).

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Metal Pete ya Intalox (Metal Saddle): Inachanganya faida za vifungashio vya umbo la pete na tandiko, ina kiwango cha juu cha ufunguzi, kiwango kikubwa cha mtiririko, na kushuka kwa shinikizo la chini. Inafaa kwa mnara mkuu wa fractionating wa vitengo vya kupasuka vya kichocheo na kushughulikia mchanganyiko wa mafuta-gesi ya juu.


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3 . plastiki mara kwa mara ufungaji packings

Material ni PP, PVC, nk, nyepesi, sugu kwa kutu ya joto la chini, yanafaa kwa minara ya kawaida ya joto la desulfurization (kama vile njia ya ethanolamine kwa kuondolewa kwa H2S), lakini si sugu kwa joto la juu (kawaida 120 ° C).


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