5results about How to "Extend the adsorption time" patented technology

The utility model discloses a novel wastewater light component removal tower structure which comprises a light component removal tower, the bottom end of the light component removal tower is connected with a reboiler, the light component removal tower is in the shape of a cylindrical tank, the light component removal tower is formed by sequentially connecting a top shell, an adsorption shell, a plurality of slow flow shells and a bottom shell from top to bottom, the top shell is in the shape of a cylindrical shell with an opening in the bottom end, and the adsorption shell is connected with the slow flow shells. The adsorption shell and the flow slowing shells are each in a cylindrical shell shape with openings in the upper end and the lower end, and the bottom shell is in a cylindrical shell shape with an opening in the top end. The edge of the bottom end of the top shell, the edges of the two axial ends of the adsorption shell, the edges of the two axial ends of the slow flow shell and the edge of the top end of the bottom shell are all provided with connecting flanges and are in bolt connection through the connecting flanges. An adsorption assembly is arranged in the adsorption shell, and a flow guide part is arranged below the adsorption assembly; a plurality of blocking pieces are arranged in the flow slowing shell and arranged at equal intervals in the axis direction of the flow slowing shell.

The application provides a system treatment process for fluorine-containing wastewater, which comprises the following steps: a fluorine-containing wastewater treatment process, a sludge treatment process, a defluorination filter material regeneration process and a sludge waste liquid treatment process. The system treatment process for fluorine-containing wastewater has the advantages of low sludge yield, low flocculant consumption, low treatment cost, high adsorption capacity, greatly prolonged adsorption time of the adsorbent, reduced regeneration frequency, no discharge of regeneration liquid, and effectively solved problem of difficult treatment of by-products of traditional treatment processes.

This invention discloses a multi-layer gradient fluidized bed coupled with ultrasound-enhanced calcium fluoride crystallization device, comprising a reaction tower and a cyclone separator connected to the reaction tower. The reaction tower includes a bottom sludge discharge zone, a bottom reaction zone, a middle reaction zone, and a top reaction zone arranged sequentially from bottom to top. The bottom reaction zone includes a bottom reaction shell; a bottom sieve plate is provided at the top of the bottom reaction shell, and a bottom ultrasonic transducer is provided at the top of the bottom reaction shell; a wastewater tangential injection pipe and a calcium solution injection pipe are provided at the bottom of the bottom reaction shell. The middle reaction zone includes a middle reaction shell, and a middle ultrasonic transducer is provided at the top of the middle reaction zone. The top reaction zone includes a top reaction shell, and a top ultrasonic transducer is provided at the top of the top reaction shell. This invention not only improves the layered crystal growth rate but also increases the resource recovery rate.

The utility model discloses a waste liquid collecting mechanism of dyeing machine, including the main part, the upper end of main part is provided with neutralization liquid bin, one side of neutralization liquid bin is provided with liquid inlet pipe, the other side of neutralization liquid bin is provided with the connecting pipe, the upper and lower sides of main part one side are all provided with exhaust pipe, one side of exhaust pipe located in lower end is provided with fan, one end of exhaust pipe is provided with work board, the inside of main part is provided with filter bin, the inside of filter bin is provided with neutralization board, the top of neutralization board is provided with coarse filter screen, the below of neutralization board is provided with fine filter screen, the inside of neutralization board is provided with connecting plate, be provided with neutralization groove between neutralization board and connecting plate, the inside of connecting plate is provided with neutralization liquid chamber, the outside of neutralization liquid chamber is provided with neutralization groove. The utility model has increased the purification effect to waste liquid and waste liquid gas, has improved the collection effect of device to waste liquid.