2results about How to "Eliminate formation" patented technology

Three pipes are coaxially and fixedly installed between a water inlet end cover and a water outlet end cover in a sealed mode, a water inlet hole of the water inlet end cover is communicated with an inner hole of an inner pipe, and a vertical water outlet of the water outlet end cover is communicated with an annular cavity formed between a middle pipe and an outer pipe. The vertical water outlet is located at the highest position of the water outlet end cover, a descaling water inlet spacer and descaling particles are arranged in an inner hole of the inner pipe, two layers of annular spaces formed by coaxial arrangement of the inner pipe, the middle pipe and the outer pipe are filled with the descaling particles, and the water inlet end cover, the water outlet end cover, the inner pipe, the middle pipe, the outer pipe and the descaling particles are all made of copper-based catalyst alloy. A water body is in full contact with the inner pipe, the middle pipe, the outer pipe, the descaling water inlet spacer and the descaling particles made of the copper-based catalyst alloy, so that the anti-scaling and descaling effects can be improved, the water body can be filtered and purified, and integration of anti-scaling, descaling, filtering and purifying is realized.

This invention belongs to the field of C5 fraction separation technology, and discloses a C5 fraction refining system and a method for refining pentane foaming agent using it. The C5 fraction refining system includes: a heavy-reduction thickening tower, a refining tower, a condensate tank, an azeotropic agent injection line, and a finished product collection pipeline. The C5 fraction refining system provided by this invention can remove most of the target impurities in the heavy-reduction thickening tower, effectively reducing the number of trays in the refining tower, lowering equipment investment costs, simplifying the structure, reducing the likelihood of internal blockage, and extending the equipment's operating cycle. The pentane foaming agent refining method provided by this invention can effectively improve the quality of the pentane foaming agent, increasing pentane purity from approximately 50% to over 70%, completely removing DMF, and reducing the content of chlorine elements such as ammonium chloride to less than 10 ppm, as low as below 5 ppm.