Petrol Arıtma için Kimyasal Paketleme

2025-06-27

Petrol arıtma işletmelerinde damıtma, emilim ve ekstraksiyon gibi kimyasal birim işlemlerinde, kütle ve ısı transfer verimliliğini optimize etmek için özel performans kimyasal ambalajları gereklidir. Aşağıdakiler, yaygın olarak kullanılan kimyasal ambalaj türlerinin ve teknik gereksinimlerinin ayrıntılı bir açıklamasıdır:

I. Petrol arıtma enterprises

1 yaygın olarak kullanılan kimyasal ambalaj türleri. Halka şeklindeki packings

Raschig Halka: Çoğunlukla seramik, metal veya plastikten yapılmış basit yapı. Başlangıçta damıtma ve emme kulelerinde kullanılan, ancak yüksek dirençli ve düşük verimlidir. Şu anda yavaş yavaş aşamalı olarak kaldırılıyorlar.

Pall Ring: Raschig Ring 'in duvarında iki kat dikdörtgen delik açılıyor ve iç kavisli bıçaklar, gaz-sıvı dağılımını artırarak direnci yaklaşık% 50 azaltıyor ve verimliliği% 30 artırıyor. Metal malzemeler (paslanmaz çelik gibi) yüksek sıcaklık, yüksek basınç ve kükürt içeren ortamlar (hidrojenasyon üniteleri gibi) için uygundur.

Cascade Mini Halka: Yükseklik, çapın sadece yarısıdır, genişletilmiş bir uç ile ambalajlar ve sıvı dağılımı arasındaki teması iyileştirir. Kütle transfer verimliliği, Pall Ring 'inkinden% 10 ila% 20 daha yüksektir ve genellikle ham petrol sabit basınçlı damıtma kulelerinin ilk damıtma bölümünde kullanılır.

2. Eyer şeklindeki packings

Arc Eyer (Berl Saddle): Kavisli bir yüzeye sahip seramik malzeme. Sıvı dağılımı, halka şeklindeki ambalajlardan daha tekdüzedir, ancak istiflemeye eğilimlidir ve bu da verimlilikte bir düşüşe neden olur. Artık daha az kullanılıyor.1177891400İntalox (Saddle): Eyer arkının simetrik yapısını kanıtlıyor, aşınmaya karşı daha yüksek bir orana sahip. Emme kuleleri (kükürt giderme kuleleri gibi) için uygundur ve seramik malzeme asit ortamına (HS gibi) dayanıklıdır.

Metal Intalox Ring (Metal Saddle): Halka şeklindeki ve eyer şeklindeki ambalajların avantajlarını birleştirir, yüksek açılma hızına, büyük akış hızına ve düşük basınç düşüşüne sahiptir. Katalitik çatlama ünitelerinin ana parçalama kulesi ve yüksek yüklü yağ-gaz karışımlarının taşınması için uygundur.

3. Plastik normal paketleme packings

Material PP, PVC vb., hafif, düşük sıcaklıkta korozyona dayanıklı, normal sıcaklıkta kükürt giderme kulelerine (HS giderimi için etanolamin yöntemi gibi) uygun, ancak yüksek sıcaklıklara (genellikle 120 ℃) dayanıklı değildir. Petrol rafinasyonunda daha az kullanılırlar

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