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Micro-nano bubble generator and bubble generation system

A micro-nano bubble and bubble generation technology, which is applied in the direction of gas/steam and liquid mixing, fluid mixer, chemical instrument and method, etc., can solve the problem of shortening the time of dissolved oxygen, the escape of dissolved oxygen into the air, and the problem of water containing Insufficient oxygen and other problems, to achieve the effect of no dead angle distribution, improve the activity of water molecules, and easy to clean

Inactive Publication Date: 2019-02-19
宋海涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the bubble generators in the prior art mainly use pumps to inhale gas and liquid to mix, and stir and cut the gas-liquid mixture to destroy water molecules to generate bubbles. The bubbles formed in this way are mainly macromolecular bubbles, and their particle size can generally reach Reaching 100-300 microns, due to the large contact area of ​​macromolecular bubbles, they are prone to rupture, and the release of dissolved oxygen at the moment of bubble rupture will easily cause excess dissolved oxygen to escape into the air, which will lead to insufficient oxygen content in the water body and shorten the dissolved oxygen concentration. The time of existence in the water body cannot well achieve the effect of oxygenation and pollution control

Method used

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  • Micro-nano bubble generator and bubble generation system
  • Micro-nano bubble generator and bubble generation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as figure 1 As shown, this embodiment includes a water-inlet drive device 1 and a mixing device 2, the pump chamber 102 of the water-inlet drive device 1 is provided with a water outlet 105 directly connected to the water-inflow channel 201 of the mixing device 2, the The air inlet 205 of the mixing device 2 communicates with the air source through the air pipe 3, and the air inlet on the pump chamber 102 of the water-inlet driving device 1 communicates with the air source through the air pipe 3, or directly communicates with the outside atmosphere.

[0032] The working principle of this embodiment is:

[0033] Water and gas are stirred in the pump chamber 102 of the water-entry driving device 1 and initially cut water molecules to form macromolecular bubbles, and then enter the mixing device 2, and form vortex rotation in the mixing chamber 203 to realize mixing, and the macromolecular bubbles It is further decomposed into small molecule water bubbles and sprayed...

Embodiment 2

[0036] Such as Figure 5 As shown, this embodiment includes a plurality of mixing devices 2 to form an underwater system.

[0037] This embodiment includes a water-entry driving device 1, a mixing device 2 and a floating body 4, the floating body 4 can be an inflatable buoyancy raft or a hull, the water-entry driving device 1 is arranged on the floating body 4, and a plurality of Connecting rods, the lower end of each connecting rod is provided with a mixing device 2, and the water inlet channel 201 of each mixing device 2 is connected with the water outlet 105 of the water inlet driving device 1 through a water inlet pipe system, and the water inlet pipe system is arranged on the In the floating body 4, the air pipe 3 for supplying air to the pump chamber of the mixing device 2 and the water-entry driving device 1 is arranged in the connecting rod and passes through the floating body 4 upwards to be connected with the air source provided on the floating body 4, Or communicat...

Embodiment 3

[0043] Such as Image 6 As shown, the difference between the present embodiment and the second embodiment is that the floating body 4 in the present embodiment can sink under the water surface and move. A metal rigid pipe is adopted and the upper end protrudes from the water surface to directly communicate with the atmosphere, and its working principle is the same as that of the second embodiment. In addition, in this embodiment, the floating body 4 is tubular to reduce water resistance during movement.

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Abstract

The invention relates to the technical field of underwater environmental protection, in particular to a micro-nano bubble generator and a bubble generation system. The system comprises a diving and driving device and a mixing device. A pump cavity of the diving and driving device is provided with an impeller, and the pump cavity is provided with a water inlet, a water outlet and an air inlet. Themixing device comprises a water inlet channel, tangent channels, mixing cavities and air inlet cavities, one end of the water inlet channel is connected with the water outlet, and the other end of thewater inlet channel is divided into a plurality of tangential channels, and each tangential channel is correspondingly connected with to each mixing cavity in a tangential direction, the air inlet cavities are arranged between the mixing cavities, and each air inlet cavity is provided with an air inlet, the inner wall of each mixing cavity is a smooth surface, and an inner through hole is arranged on the inner side of each mixing cavity to communicate with the inlet cavity, and a water outlet hole is formed in the outside of each mixing cavity. The device can quickly achieve the gas dissolving of a water body, and the nano-bubble particles are smaller and the bubble concentration is higher, and the bottom environment of the water body can be effectively improved and the growth of aquaculture is promoted.

Description

technical field [0001] The invention relates to the technical field of underwater environmental protection, in particular to a micro-nano bubble generator and a bubble generating system. Background technique [0002] Micro-nano bubble technology is to dissolve air, oxygen, nitrogen, hydrogen or other gases in water in the form of extremely fine bubbles, which has a good effect of oxygenation and decontamination and can promote aquaculture. It is useful for underwater environmental protection, aquaculture, etc. field is significant. The decontamination mechanism of bubble water means that at the moment when the bubble bursts, due to the drastic change of the disappearance of the gas-liquid interface, the high-concentration ions accumulated on the interface will release the accumulated chemical energy at once, and at this time, a large number of hydroxyl radicals (· OH), has an ultra-high oxidation-reduction potential, and its super-strong oxidation can degrade water pollutan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F3/04B01F5/04B01F5/16B01F25/64
CPCB01F23/20B01F25/305B01F25/64
Inventor 不公告发明人
Owner 宋海涛