Nucleus-flocculating device

Abstract

The invention provides a nucleus-flocculating device which comprises a hollow platform, an upper cylinder and a lower cylinder, wherein the platform has a bigger upper part and a smaller lower part; the upper cylinder is connected with the upper end of the platform; the lower cylinder is connected with the lower end of the platform; a water inlet pipe and a draining pipe are connected with the lower cylinder; a water outlet pipe is connected with the upper cylinder; a grid is arranged in a joint of the platform and the lower cylinder; a filler is filled in the platform; a ratio of upper section area F1 to lower section area F2 of the platform is (3:1)-(4:1); and the height H of the platform is 2.5-3.5 square root of F2. The nucleus-flocculating device has a good flocculating effect, is high in flocculating speed, has a simple structure and is low in production cost.

Description

technical field [0001] The invention relates to a flocculation nucleus device for enhancing the flocculation effect in the process of water treatment and purification. Background technique [0002] The flocculation tank (generally called reaction tank) that completes the flocculation process occupies an important position in water purification treatment. Suspended substances and colloidal substances in natural water have very small particle sizes. In order to remove these substances, coagulation is usually used, that is, adding an appropriate coagulant to the raw water, and after thorough mixing, the colloidal stability is destroyed (destabilized). And it is adsorbed with the polymer phase after hydrolysis of the coagulant, so that the particles have flocculation performance. The purpose of the flocculation tank is to create suitable hydraulic conditions so that the particles with flocculation performance gather in mutual contact to form larger flocs. In an ideal flocculat...

AI Technical Summary

Problems solved by technology

In the above-mentioned flocculation device, when the water flow passes through each layer of orifice plate, the water flow rate changes abruptly, which is not conducive to the growth of flocs; The fluid velocity in the cylindrical part of the shell does not change, and the G value in the flocculation reaction process does not decrease continuously. Such a flocculation reaction process is not an ideal flocculation reaction process, and the flocculation effect is not optimal; The combined disc-shaped flocculation component has a complex structure and high processing costs

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