Installationsplats för torninterner i ett petrokemiskt företag

2025-06-27

Förpackningsmaterialet som används i petrokemiska företags utrustning måste uppfylla krav som korrosionsbeständighet, hög massöverföringseffektivitet, stor bearbetningskapacitet och lågt tryckfall. Samtidigt måste de kunna anpassa sig till hårda arbetsförhållanden som hög temperatur, högt tryck eller stark korrosion. Följande är en analys av de vanliga förpackningstyperna och applikationsscenarierna i den petrokemiska industrin:

I. Vanligt använda förpackningstyper i den petrokemiska Industry

(1) slumpmässig Packing

Characteristics: Enkel struktur, enkel installation, lämplig för situationer med måttliga krav på massöverföringseffektivitet eller komplexa arbetsförhållanden.

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Pall Ring

Structure: Rektangulära fönsterhål öppnas på sidoväggarna i Raschig-ringen och tungformade böjningar läggs inuti ringen för att peka mot mitten.

Advantages: Stor specifik yta (ca 180-350 m² / m³), lågt gasflödesmotstånd, enhetlig vätskefördelning, stor driftsflexibilitet.

Application: Används ofta i destillations-, absorptions- och desorptionsprocesser, såsom atmosfäriska och vakuumdestillationstorn, gasabsorptionstorn (avsvavling, avkolning).

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Intalox Saddle

Structure: Asymmetriska bågformade strukturer på båda sidor, liknar en sadel, med tandade spår på ytan.

Advantages: Mer enhetlig vätskefördelning, ingen häckning under stapling, stor specifik yta (ca 160-360 m² / m³), lågt motstånd.

Application: Vanligen används för syra gasabsorption (såsom H S-avlägsnande), metanoldestillationstorn, styrenseparationstorn.

Metal Hy-Pak Rektangulär Saddle

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(2) Regelbunden Packing

Metal Wire Mesh Packing

Structure: Metalltrådsnät pressas i en korrugerad form och staplas i en skiva.

Advantages: Stor specifik yta (upp till 1000 m² / m³), extremt hög massöverföringseffektivitet (8-20 teoretiska plattor per meter), låg vätskehållningskapacitet, låg motstånd.

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Plastic Strukturerad Packing

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Material: Polypropen (PP), polyvinylklorid (PVC), etc., korrosionsbeständig plast.

Advantages: Lätt, beständig mot syra- och alkalikorrosion, specifik yta 250-500 m² / m³, lämplig för lågtemperatur- och non-high-temperature förhållanden.

Application: Sura vattenavsvavlingstorn, ångavskalningstorn i avloppsvattenbehandling, utspädda syraabsorptionstorn.

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