Ceramic film filtering element
A filter element and ceramic membrane technology, which is applied in the structural field of ceramic membrane filter elements, can solve problems such as complex processing technology and large liquid penetration resistance, and achieve the effects of reducing production costs, simplifying the manufacturing process, and reducing difficulty
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Embodiment 1
[0028] The shape of the multi-channel membrane tube is as follows figure 1 shown. The membrane tube is extruded, with a length of 1m and a diameter of 41mm. There are 37 channels inside. The diameter of the channel is 4mm, and the wall thickness between the channels is 2mm. The resin glue is sealed and the other end is sealed. Prepare a layer of aluminum oxide membrane by soaking slurry coating, the average pore size of the membrane is 0.2μm, the porosity of the support and the membrane is 35%, it is operated under the pressure of 0.1MPa, and the pure water flux is 1000L / m 2 h.
Embodiment 2
[0030] The shape of the multi-channel membrane tube is as follows figure 1 shown. The membrane tube is extruded, with a length of 1m and a diameter of 41mm. There are 37 channels inside. The diameter of the channel is 4mm, and the wall thickness between the channels is 2mm. The resin glue is sealed and the other end is sealed. Prepare a layer of aluminum oxide membrane by soaking slurry coating, the average pore size of the membrane is 0.5μm, the porosity of the support and the membrane is 35%, it is operated under the pressure of 0.1MPa, and the pure water flux is 2000L / m 2 h.
Embodiment 3
[0032] The shape of the honeycomb ceramic membrane tube is as follows: Figure 5 shown. The membrane tube is extruded, with a length of 1m and a diameter of 41mm. There are 59 channels inside. The side length of the channel is 2.5mm, and the wall thickness between the channels is 1.2mm. The two ends of the central channel of the membrane tube are connected to each other. Drainage tube, sealed with polyurethane glue. Prepare a layer of zirconia membrane by soaking slurry coating, the average pore size of the membrane is 0.2μm, the porosity of the support and the membrane is 35%, it is operated under the pressure of 0.1MPa, and the pure water flux is 800L / m 2 h.
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