石油精製のための化学パッキング

2025-06-27

石油精製企業における蒸留、吸収、抽出などの化学ユニットの操作において、質量と熱伝達効率を最適化するために特定の性能を持つ化学パッキングが必要です。以下は、一般的に使用される化学パッキングの種類とその技術要件の詳細な説明です: 1172 7 7 9 84001 I。石油精製enterprises

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1で一般的に使用される化学パッキングの種類。リング状のpackings

Raschigリング:単純な構造で、主にセラミックス、金属、またはプラスチックで作られています。元々は蒸留および吸収塔で使用されていましたが、高い抵抗と低い効率を持っています。現在、徐々に段階的に廃止されています。1172 7 7 9 84001 Pallリング:Raschigリングの壁に2層の長方形の穴が開けられ、内側の曲線状のブレードが気液分布を促進し、抵抗を約50%減少させ、効率を30%増加させます。金属材料(ステンレス鋼など)は、高温、高圧、硫黄含有媒体(水素化ユニットなど)に適しています。1172 7 7 9 84001 Cascade Mini Ring:高さは直径の半分で、拡張された端があり、パッキングと液体分布の接触を改善します。物質移動効率はPall Ringよりも10%ー20%高く、原油定圧蒸留塔の初期蒸留部でよく使用されます。1172 7 7 9 8400 1 2。サドル状のpackings

Arcサドル(Berl Saddle):曲面を持つセラミック材料。液体分布はリング状のパッキングよりも均一ですが、積み重ねやすく、効率が低下します。現在はあまり使用されていません。1172 7 7 9 84001 Intalox Saddle(Rectangular Saddle):アークサドルの対称構造を改善して積み重ねを回避し、空隙率が高く、浸食に耐性があります。吸収塔(脱硫塔など)に適しており、セラミック材料は酸性媒体(H Sなど)に耐性があります。

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MetalIntaloxリング(メタルサドル):リング状とサドル状のパッキングの利点を組み合わせ、高い開口率、大流量、低い圧力降下を持っています。これは、接触分解ユニットの主要な分留塔および高負荷油ガス混合物の取り扱いに適しています。


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3プラスチックの通常のパッキングpackings

MaterialはPP、PVCなどで、軽量で低温腐食に耐性があり、常温脱硫塔(H S除去のエタノールアミン法など)に適していますが、高温(通常120°C)には耐性がありません。石油精製ではあまり使用されていません。


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