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] Carbon steel is used as the material to process the sieve tray with a diameter of 100mm, the diameter of the sieve hole is 4mm, the opening rate is 10%, the width of the downcomer is 20mm, and the aluminum porous surface is processed on the surface of the carbon steel tray by spraying method. The layer thickness is 0.6 mm, the pore size is 100 microns, and the porosity is 30%.
[0034] In a depropanization rectification column with a diameter of 100 mm, the mass transfer performance of the sieve tray column of the present invention and a common sieve tray column was tested.
[0035] Adopt carbon three distillates raw material (molar composition is: propyne, propadiene: 2.57; Propylene: 70.36; Propane: 2.66; Butadiene: 11.92; Butene: 8.73; Butane: 0.25; Hexa-C8; 0.19; Benzene: 0.69; Toluene: 0.03) is raw material, test under the same plate number, opening ratio 10%, aperture 4mm, operating pressure, reflux ratio, test result is shown in Table 1.
[0036] project ...
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