BX Stainless Steel Metal Structured Packing Fine Chemical Tower Internal
Hualai Metal Wire Mesh Corrugated Packing consists of vertically arranged corrugated wire mesh sheets, which are usually 100 mm, 150 mm and 200 mm in height. Other heights can be customized. The direction of the ripple is opposite to that of the adjacent ones, and the inclination angle against the tower axis is 30 or 45 degrees. The diameter of packing tray is several millimeters smaller than tower inner diameter. The packing tray fills the section of tower precisely. The outer hoop of each packing tray can be flanged to prevent wall flow, and the two adjacent trays rotate 90 degrees to install. The main materials of corrugated wire mesh packing are stainless steel, copper, aluminium, low carbon steel, nickel, titanium, etc.
Hualai wire gauze structured packing is the preferred packing in distillation service for deep vacuum and low liquid rate applications. The characteristic of lowest pressure drop per theoretical stage makes wire gauze packing the preferred device for processing specialty chemicals, pharmaceuticals and temperature-sensitive materials.
Wire gauze packing is generally used in small to medium diameter columns to achieve the maximum number of theoretical stages in the minimum column height. Because of the capillary effect, the wire mesh material provides an extremely wettable surface resulting in excellent mass transfer efficiency particularly at very low liquid rates.
Hualai wire mesh structured packing products list (normal):
| Type | Specific Surface | Bulk Density | Void Ratio | obliquity | ΔP | Liquid spray density | Liquid holdup | Theo. Plate | HETP | F factor | Application② |
| (m2/m3) | (kg/m3) | (%) | Angle | (Pa/plate) | (m3/m2*h) | % | (piece/m) | mm | (m/s)*(kg/m3)0.5 | |
| 250(AX) | 250 | 45① | 98.5 | 30 | 10-40 | 0.2-12 | 2 | 2.5-3 | 100 | 2.5-3.5 | Precision distillation with few theoretical series |
| 500(BX) | 500 | 95① | 96.9 | 30 | 50 | 0.2-12 | 4.2 | 4-5 | 200 | 2.0-2.4 | Vacuum Distillation of Thermosensitive and Difficult Separation Systems |
| 700(CY) | 700 | 130① | 95.6 | 45 | 67 | 0.2-12 | 6 | 8-10 | 333-400 | 1.5-2.0 | Isotopic mixture, isomeric mixture separation |
①The data are based on 0.12mm wire, stainless steel material. Applicable temperature (-200—400)℃. 0.15mm and 0.17mm wire are also available.
②Metal wire mesh corrugated packing is suitable for clean gas-liquid system without solid particles or suspended solids or not easy to self-assemble.
Projects applying wire mesh structured packing
- Separation of pinene with metal mesh packing instead of bubble cap tray.
- Separation of dipentene isomers with 700Y corrugated wire mesh packing instead of bubble cap tray.
- Hydrogen fluoride, methanol/water separation, uses 700 Y corrugated wire mesh packing.
- Separation of Methanol and Ethanol
- Isobutanol is refined with 700Y corrugated wire mesh packing.
- Separation of ethylenediamine/diaminocyclohexane with corrugated metal wire mesh packing in vacuum distillation tower.
- Extraction of isopropanol.
Welcome your inquiry about Hualai structured packing any time!
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