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Metal structured packing typically consists of metallic wires and corrugated metallic sheets, which at uniform geometry arranged and neatly piled in the tower. It is widely used in the reactors in fine chemical industry, petrochemical industry, and fertilizer industry as mass transfer media and often used in difficult separation and the vacuum distillation of heat content, atmospheric distillation and absorption process.
| Model | Perforated Plate Corrugated Packing | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Material | Carbon steel, Stainless steel 304, 304L, 410, 316, 316L, etc. | ||||||||
| Model Designation | 125Y | 250Y | 350Y | 500Y | 125X | 250X | 350X | 500X | |
| Specific surface | (m2/m3) | 125 | 250 | 350 | 500 | 125 | 250 | 350 | 500 |
| Bulk density | (kg/m3) | 100 | 200 | 280 | 360 | 100 | 200 | 280 | 360 |
| Void ratio | (%) | 98 | 97 | 94 | 92 | 98 | 97 | 94 | 92 |
| Obl. angle | ° | 45° | 45° | 45° | 45° | 30° | 30° | 30° | 30° |
| P | (Pa/plate) | 200 | 300 | 350 | 400 | 140 | 180 | 230 | 280 |
| Theo. plate | (piece/m) | 1~1.2 | 2~2.5 | 3.5~4 | 4~4.5 | 0.8~0.9 | 1.6~2 | 2.3~2.8 | 2.8~3.2 |
| Model | Wire Gauze Packing | ||||||||
| Model | Specific surface (m2/m3) | Bulk density (kg/m3) | Void ratio (%) | Obl. angle (°) | ΔP (Pa/plate) | Theo. plate (piece/m) | HETP/mm | F factor m/s (kg/m3)0.5 | |
| 250AX | 250 | 125 | 95 | 30 | 100-400 | 2.5~3 | 100 | 2.5-3.5 | |
| 500BX | 500 | 250 | 90 | 30 | 400 | 4~5 | 200 | 2.0-2.4 | |
| 700CY | 700 | 350 | 85 | 45 | 600-700 | 8~10 | 333-400 | 1.5-2.0 | |
| Typical Application | Absorption, scrubbing and stripping services | ||||||||
Scope: Perforated plate corrugated packing with the wide range of applications.
Diameter: 0.1 - 12m
Pressure: Vacuum to high pressure
Liquid Load: 0.2 to more than 300 m3/m2.h
Common Systems: Ethylbenzene/styrene, Fatty acids, cyclohexanone/cyclohexanol, caprolactam, absorption and desorption processes.
Metal wire gauze packing (such as 250AX, 500BX, 700CY) provides superior separation efficiency and high theoretical plate counts, making it ideal for vacuum distillation and systems with high purity requirements. Perforated plate corrugated packing offers higher capacity, mechanical strength, and anti-fouling resistance, making it suitable for standard chemical processes under atmospheric and pressure conditions.
Available materials include Carbon Steel as well as an array of Stainless Steel grades such as SS304, SS304L, SS410, SS316, and SS316L, selected according to corrosion requirements, process temperature, and chemical composition.
The letters designate the corrugation inclination angle relative to the tower axis. "X" denotes an inclination angle of 30 degrees, yielding lower pressure drop and higher capacity. "Y" denotes a 45-degree angle, providing balanced mass transfer efficiency and pressure drop.
These structured packings are engineered to fit column diameters ranging from small-scale pilot plants of 0.1 meters (100 mm) up to large commercial distillation columns of 12 meters or greater.
Typical industrial separation systems include ethylbenzene/styrene fractionation, fatty acid distillation, cyclohexanone/cyclohexanol separation, caprolactam production, and various absorption, scrubbing, and stripping processes.
