Triangular Spiral Packing
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- Product Description
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Metal triangular spiral packing, also known as Fenske packing, is a highly efficient separation packing made by winding metal wires. Its shape is similar to a spring, but with a unique structure: each layer is wound into a triangle instead of a circle, and the adjacent layers are arranged at a specific angle and staggered from each other. When viewed from the end face, it presents a polygonal outline.
This filler has excellent separation performance. Although its flow resistance is slightly higher than that of the 0-ring filler, its separation efficiency is higher. Currently, it is mainly used in laboratory settings, especially in the nuclear industry, where it is widely employed in the separation and purification processes of isotopes.Application fields:
1. Nuclear industry sector (core application)- It is specifically used for the separation and purification of radioactive isotopes such as uranium isotopes (²³⁵U/²³⁸U), deuterium, and tritium.
- Its extremely high separation efficiency and radioactive-resistant materials meet the special requirements of the nuclear industry.
2. Research Laboratory
- Provide ultra-high purity preparation of reference substances and standard substances for analytical instruments such as GC-MS and NMR.
- Achieving precise separation and collection of trace high-value-added chemicals.
- Carry out research-level separation of enantiomers of chiral compounds.
3. Pharmaceuticals and Specialized Chemicals
- Separate the homologous compounds and drug intermediates with extremely small boiling point differences.
- Obtaining key high-purity intermediates in the development of drug synthesis pathways.
4. Perfume and Flavor Industry
- Separate the aroma components with similar boiling points from natural essential oils.
- Obtain the single high-purity ingredient of a specific fragrance type.
Triangle spiral
Packing specificationSuitable tower size
mmTheoretical board number
Blocks/meterBulk density
g/lspecific surface area
m2/m3porosity
%pressure drop
Mbar/mφ1.5*1.5
φ2-10
70-90
1960
4700
90
32
φ2*2
φ10-20
60-70
1710
3900
91
30
φ3*3
φ25-40
50-60
1140
3000
93
15
φ4*4
φ40-70
45-50
830
2200
95
10
φ5*5
φ50-70
30-40
650
1700
95
9
φ6*6
φ60-90
20-30
520
1200
95
7
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