Supersaturated dissolved oxygen equipment and supersaturated dissolved oxygen method

Abstract

The invention relates to supersaturated dissolved oxygen equipment and a supersaturated dissolved oxygen method. The equipment comprises: a water inlet pipe, wherein the first end of the water inlet pipe is provided with a water inlet, and the water inlet pipe is provided with a submersible pump and / or a self-priming pump so as to suck polluted water into the water inlet pipe; a reactor connectedto the second end of the water inlet pipe so as to form fluid communication with the water inlet pipe, wherein the reactor forms gas communication with an oxygen source through an oxygen conveying pipe, and a gas inlet valve is arranged on the oxygen conveying pipe; a water outlet pipe provided with a water outlet ball valve, wherein the first end of the water outlet pipe is connected to the reactor, and an inverted U-shaped pipe is arranged on the water outlet pipe; and a reflux pipe provided with a pipeline pump, wherein the first end of the reflux pipe is connected to the highest position of the inverted U-shaped pipe so as to form fluid communication with the inverted U-shaped pipe, and the second end of the reflux pipe is connected to the water inlet pipe so as to form fluid communication with the water inlet pipe, such that one part of the water in the water outlet pipe refluxes into the reactor through the water inlet pipe so as to pressurize the reactor. According to the invention, with the equipment and the method, the oxygenation efficiency can be improved so as to improve the dissolved oxygen level.

Description

technical field [0001] The invention belongs to the field of water treatment, and in particular relates to a supersaturated dissolved oxygen device and method. Background technique [0002] Supersaturated dissolved oxygen technology refers to the injection of gas-water mixture containing high concentration of oxygen into polluted water body, so that the amount of dissolved oxygen in the water body increases rapidly, providing sufficient environmental conditions for the aerobic microbial reaction of pollutant removal, and promoting the rapid oxidation of organic matter anaerobic H produced during degradation 2 Black and odor-causing substances such as S and FeS improve water quality, water transparency gradually increases, water activity is strengthened, and black odor and water quality are effectively improved or alleviated. Reduce water COD, BOD, TN, TP, play a role in water purification. Mainly used in surface water, sewage purification and ecological restoration project...

AI Technical Summary

Problems solved by technology

[0003] In the current technology, a single device cannot meet the requirements of high concentration, increased gas dissolution level, large-scale water treatment, and high oxygenation efficiency at the same time.

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