| Customization: | Available |
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| Manufacturing Process: | Stamping |
| Surface Treatment: | Without Processing |
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Description
CY700 Wire Gauze Packing 200mm layer height with mesh loop
Wire mesh corrugated packing mass transfer efficiency
The mass transfer efficiency of wire mesh corrugated packing is directly determined by its specific surface area. According to the specific surface area, it can be divided into 250, 500 and 700 types. As the corrugated metal mesh filler belongs to the type of liquid membrane mass transfer, opening holes on corrugated filler sheet or making double-layer wire mesh filler to strengthen the uniform distribution of liquid on the corrugated wire mesh sheet, especially in low spray density, whether to ensure the uniform distribution of liquid on the wire mesh sheet is the key to maintain high separation efficiency.
Performance index of tray column and packed tower
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Tower Type performance index |
tray tower | Random packing tower | Structured packing tower |
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Allowable load factor F [m/s·(kg/m3)0.5] |
0.3-2.44 | 0.3-2.93 | 0.12-4.4 |
| Pressure drop per theoretical stage / Pa | 400-1067 | 120-240 | 1.3-106.7 |
| HETP / m | 0.6-1.2 | 0.45-1.5 | 0.1-0.75 |
Lower pressure drop through the column
Lower botoms temperature for heat sensitive systems
Higher relative volatility for difficult separations
Lower energy consumption
Reduced foaming tendency
Higher efficiency in the same tower height
Large number of theoretical stages required
Reduced reflux requirement
Higher capacity
Reduced vessel diameter
Increased operating rates
Excellent liquid spreading characteristics
Improved efficiency
Offshore applications subject to permanent tilt and motion
Reduced liquid hold-up
Smaller amounts of polymer inhibitor
Characteristics of packed tower:
Compared with plate column, packed column has certain advantages, especially in recent years, a variety of new and efficient packing has been developed, which has more prominent advantages and wider application range. Its specific characteristics are as follows:
1. The pressure drop is very low, which can be used in vacuum distillation and other operating systems with limited pressure drop.
2. With the development of new high efficiency packing, the production capacity (allowable gas velocity) and efficiency of packed tower are equal to or exceed those of plate column. Many units at home and abroad use new packing to transform plate column, which greatly improves production capacity and efficiency.
3. Flexible operation.
4. It can deal with foaming system.
5. General fillers are easy to be blocked by suspended solids in the liquid, while some grid fillers with large void fraction have self-cleaning effect under high gas velocity scouring, and are not easy to be blocked, and their heat transfer performance is better than that of baffles.
6. The material selection of fillers is wide, such as metal, plastic, ceramic, graphite, etc., which is suitable for wider chemical system and operating
700Y metal wire mesh packing ready for shipment
BX Stainless Steel Metal Structured Packing Fine Chemical Tower Internal
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.
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.
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 | Application |
| (m2/m3) | (kg/m3) | (%) | Angle | (Pa/plate) | (m3/m2*h) | % | (piece/m) | mm | (m/s)*(kg/m3)0.5 | ||
| 250(AX) | 250 | 45 | 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 | 95 | 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 | 130 | 95.6 | 45 | 67 | 0.2-12 | 6 | 8-10 | 333-400 | 1.5-2.0 | Isotopic mixture, isomeric mixture separation |
The data are based on 0.12mm wire, stainless steel material. Applicable temperature (-200-400)ºC. 0.15mm and 0.17mm wire are also available.
Metal 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
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