2results about How to "Increase surface load" patented technology

The utility model discloses an efficient cooling crystallizer which comprises a crystallizer body, a central pipe is arranged at the top of the crystallizer body, the top end of the central pipe is connected with a circulating reflux inlet and a port at the top of a circulating return pipe, a feeding pipe is arranged at the top of the circulating reflux pipe, and the bottom of the central pipe extends into a product settling zone. The scraper is arranged at the bottom of the product settling zone, the salt collecting hopper is arranged below the product settling zone, the inclined plate clarifying zone is arranged above the product settling zone, an overflow tank is arranged on the outer side of the inclined plate clarifying zone, the top of the overflow tank is connected with a clear liquid outlet, and the clear liquid outlet is connected with a bottom port of the circulating return pipe; the middle part of the circulating return pipe is arranged in the cooler, so that low-temperature efficient crystallization can be realized; the flow sectional area can be effectively reduced, the height of a clarification area is reduced, and the investment cost of the crystallizer is reduced; and adverse effects on production caused by salt collection at the bottom of the crystallizer can be effectively reduced.

This invention belongs to the field of dissolved air flotation, specifically a microbubble dissolved air flotation device. Addressing the problems of existing devices failing to efficiently generate a large number of nanoscale microbubbles, and the resulting bubbles having short residence times in water and relatively low surface loading, leading to low adhesion efficiency of suspended solids and affecting turbidity removal efficiency and purification effect, the following solution is proposed. It includes a tank body, within which a stirring mechanism is installed in the reaction zone to agitate the water and aid flocculation. A dissolved air assembly is installed within the dissolved air tank body to generate microbubbles that adhere to suspended solids in the flocculated water within the dissolved air tank. In this invention, the dissolved air assembly efficiently generates a large number of nanoscale microbubbles. These microbubbles have longer residence times in water, higher surface loading, and can quickly adhere to the flocculated suspended solids, promoting their flotation and separation, thereby significantly improving the turbidity removal efficiency and purification effect of water treatment.