A nanobubble generator and applications thereof

A nano-bubble and generator technology, applied in water aeration, sustainable biological treatment, chemical instruments and methods, etc., to achieve the effect of improving crushing efficiency, increasing contact area, and improving treatment efficiency

Active Publication Date: 2016-02-24
DONGGUAN FULI ENVIRONMENTAL PROTECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0026] The technical problem to be solved: In order to overcome the deficiencies of the existing technology, provide a method for increasing the oxygen supply in the aeration reaction box of the carbon tetrachlor

Method used

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  • A nanobubble generator and applications thereof
  • A nanobubble generator and applications thereof
  • A nanobubble generator and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as figure 1 and figure 2 Shown, be laboratory carbon tetrachloride separation processing system structural representation and nano-bubble generator structural representation, as can be seen from the figure, described nano-bubble generator 1 is placed in the exposure of laboratory carbon tetrachloride separation processing system In the gas reaction box 2, it is divided into a high-speed rotor impeller 1-1, a microporous aeration head 1-2 and an air inlet pipe 1-3, wherein the microporous aerator head 1-2 is located in the air inlet pipe 1-3 At one end of the exhaust port, the high-speed rotor impeller 1-1 is arranged on the air inlet pipe 1-3. The high-speed rotor impellers 1-1 and the microporous aeration heads 1-2 are arranged alternately, and the high-speed rotor impellers 1-1 are provided with three groups, each group has four impellers, the rotation of the impellers is symmetrical, and the high-speed rotor impellers 1-1 For the airfoil type. Such as imag...

Embodiment 2

[0044] Adopt the laboratory carbon tetrachloride separation treatment system that is provided with the nano-bubble generator described in embodiment 1 to process the laboratory raffinate containing carbon tetrachloride, at first, the carbon tetrachloride raffinate is passed through raffinate inlet pipe 6 enters the aeration reaction box 2, and at the same time, the hydrogen peroxide reaction reagent enters the aeration reaction box 2 through the hydrogen peroxide filling pipe 6-1, and reacts with the carbon tetrachloride residual liquid; at the same time, the outside air enters through the air inlet pipe 1-3 Nano-bubble generator 1, the high-speed rotor impeller 1-1 rotates at a speed of 3000-9000 rpm, crushing the micro-bubbles generated by the microporous aeration head 1-2 into bubbles with a diameter of 10-600 nanometers, uniformly Diffuse into the inside of the reaction box, and fully react with carbon tetrachloride in the aeration reaction box 2.

[0045] The treated solu...

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Abstract

A nanobubble generator and applications thereof are disclosed. The nanobubble generator comprises high-speed rotor impellers, micropore aerators and an air feeding pipe. The micropore aerators are disposed at an air discharge end of the air feeding pipe. The high-speed rotor impellers are disposed on the air feeding pipe. The nanobubble generator is advantageous in that: (1) the high-speed rotor impellers and the micropore aerators are alternatively arranged, thus increasing the contact area of air and residue liquid to be treated in an aeration reaction tank in a laboratory carbon tetrachloride separating system, and increasing the treating efficiency; (2) rotational symmetric arrangement of the high-speed rotor impellers facilitates uniform distribution of air bubbles in the aeration reaction tank so that treatment of the residue liquid is uniform; (3) the high-speed rotor impellers are perpendicular to the air feeding pipe, thus increasing the shearing force of the impellers and increasing the breaking efficiency of the bubbles; and (4) the micropore aerators are of a membrane type, pores are open during aeration, and the pores are closed by membranes during off-working states, thus protecting the pores from being clocked by particles in the residue liquid.

Description

technical field [0001] The invention belongs to the environmental protection treatment technology, and relates to the field of bubble generators in the treatment system of high-concentration organic carbon tetrachloride-containing laboratory residues, in particular to a nano-bubble generator and its application. Background technique [0002] Carbon tetrachloride (CCl 4 ) is a synthetic low-boiling organic chlorinated hydrocarbon (specific gravity 1.591g / cm 3 , boiling point 77°C), slightly soluble in water. Foreign studies have shown that carbon tetrachloride is a typical liver poison. When it is in high concentration, it will first affect the central nervous system, and then affect the liver and kidney. It has persistence, long-term residue and bioaccumulation in the environment, so since 1979 it has been listed by the U.S. EPA as a "priority control pollutant in groundwater containing carbon tetrachloride", and it has also been listed as 68 kinds of pollutants in my coun...

Claims

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Application Information

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IPC IPC(8): C02F7/00C02F9/04
CPCY02W10/10
Inventor 梁峙梁骁肖扬
Owner DONGGUAN FULI ENVIRONMENTAL PROTECTION
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