Column plate with porous surface
A technology of trays and porous layers, which is applied in the field of tray tower equipment, can solve problems such as porous surface compounding, and achieve the effects of uniform foam height, improved heat transfer, and improved efficiency
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[0033] Use carbon steel as the material to process a sieve tray with a tower diameter of 100mm. The sieve diameter is 4mm, the opening rate is 10%, and the width of the downcomer is 20mm. The aluminum porous surface is processed on the surface of the carbon steel tray by spraying. The layer thickness is 0.6 mm, the pore diameter is 100 microns, and the porosity is 30%.
[0034] In a de-propanizing rectification tower with a diameter of 100 mm, the mass transfer performance of the sieve-plate tower of the present invention and the ordinary sieve-plate tower was tested.
[0035] Using carbon three fraction raw materials (molar composition: propyne, propadiene: 2.57; propylene: 70.36; propane: 2.66; butadiene: 11.92; butene: 8.73; butane: 0.25; pentadiene: 2.56; carbon Six-carbon eight; 0.19; benzene: 0.69; toluene: 0.03) as raw materials, the test was carried out under the same number of trays, 10% open porosity, 4mm diameter, operating pressure, and reflux ratio. The test results are...
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