CN112934020A

CN112934020A - Gas-liquid or liquid-liquid mixed ultramicro bubble generating device

Info

Publication number: CN112934020A
Application number: CN202011615498.4A
Authority: CN
Inventors: 赵卓维
Original assignee: Ningbo Zhuhong Nano Technology Co ltd
Current assignee: Ningbo Zhuhong Nano Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-06-11

Abstract

The invention relates to the field of bubble generation, in particular to a gas-liquid or liquid-liquid mixed ultramicro bubble generating device, which comprises: the cavity comprises an internal flow cavity and is used for accelerating, mixing and cutting the liquid I and the gas or the liquid II to form a gas-liquid mixture; the flow guide port is used for inputting liquid I into the cavity; the gas-liquid inlet is used for inputting gas or liquid II into the cavity; the spiral track is arranged in the cavity, namely the inner flow cavity, and is used for winding and accelerating the liquid I and the gas or the liquid II; and the nozzle is positioned in the center of the cavity and used for spraying gas and liquid. The invention can realize gas-liquid or liquid-liquid mixing, namely mixing two fluids with different densities, can increase the contact time and contact area of gas-liquid mixing by the convoluted track, can fully contact gas-liquid in a plurality of convolutes, improves the gas-liquid mixing efficiency and reduces the energy loss.

Description

Gas-liquid or liquid-liquid mixed ultramicro bubble generating device

Technical Field

The invention relates to the technical field of bubble generation, in particular to a gas-liquid or liquid-liquid mixed ultramicro bubble generation device.

Background

In recent years, several social problems such as serious pollution of water environment, serious shortage of water resources and the like appear in various regions of China, the water problem is also highly valued by the nation and the government, the water safety awareness of the masses of people is increasingly improved, and the degree of desire of the people for the usable and safe domestic water reaches unprecedented height.

The ultramicro bubbles or the vacuoles have extremely wide application in actual production and life, can be used in various fields in life, such as fruit and vegetable cleaning, aquaculture, crop yield increase, sewage purification, healthy beverages, medical treatment and the like, and can be fully mixed in solutions with different densities and used in the fields of industry, medical treatment, new energy and the like. However, the concentration of the ultramicro bubbles produced by the existing ultramicro bubble generating device is too low, the quantity of the ultramicro bubbles is too small, and the ultramicro bubbles are not easy to be stored for a long time.

In view of the above disadvantages, the applicant proposed a technical scheme (hereinafter referred to as "the scheme") of a winding type ultramicro bubble generating device (application publication No. CN109316990A) in 2018, 11/23/h, which generates ultramicro bubbles by mechanical cutting, thereby solving the problems of large volume, large power, high energy consumption and low efficiency of the conventional bubble generating device, and greatly expanding the application range of the ultramicro bubble generating device. However, the scheme still has the following defects: the inner flow cavity is arranged outside, the volume of the whole device cannot be further compressed, and the diameter of the inner flow cavity is larger than that of the negative pressure cavity, so that the energy loss entering the inner flow cavity from the negative pressure cavity is large; in the process that liquid (or gas) flows from the negative pressure cavity to the inner flow cavity and is stirred into mixed liquid, the whole number of turns accelerated by winding is still not high, so that the gas-liquid mixing efficiency and the cutting and stirring efficiency are to be improved. In view of this, the applicant has proposed a gas-liquid or liquid-liquid mixing ultramicro bubble generating device again to solve the deficiency of the solution.

Disclosure of Invention

The invention aims to provide a gas-liquid or liquid-liquid mixed ultramicro bubble generating device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a gas-liquid or liquid-liquid mixing ultramicro bubble generating device comprises:

the cavity comprises an inner flow cavity and is used for accelerating, mixing and cutting the liquid I and the gas or the liquid II to form gas and liquid;

the flow guide port is used for inputting liquid I into the cavity;

the gas-liquid inlet is used for inputting gas or liquid II into the cavity;

the spiral track is arranged in the cavity, namely the inner flow cavity, and is used for accelerating the rotation of the liquid I and the gas or the liquid II (increasing the contact area and prolonging the contact time);

and the nozzle is positioned in the center of the cavity and used for spraying gas and liquid.

Furthermore, an internal flow cavity is arranged in the cavity, and an external flow cavity is formed between the internal flow cavity wall of the internal flow cavity and the cavity;

the flow guide port is used for inputting liquid I into the outward flow cavity;

the gas-liquid inlet is used for inputting gas or liquid II into the inner flow cavity;

and the liquid I enters the outer flow cavity to be wound and accelerated for the first time, then enters the inner flow cavity to be accelerated for the second time to generate negative pressure, and the gas or the liquid II entering the gas-liquid inlet is sucked, fully mixed and cut to form gas-liquid.

Furthermore, a plurality of groups of small holes are arranged on the inner flow cavity wall and are distributed along the tangent line of the inner flow cavity.

Furthermore, the small holes are provided with a plurality of longitudinal columns, and the number of the small holes in each longitudinal column is multiple and is close to the inner flow cavity wall of the nozzle.

Furthermore, a spiral track is arranged in the center of the inner flow cavity inner bottom wall, the spiral track can be filled in the cavity of the inner flow cavity, or on the upper half part or the lower half part of the cavity, and the surface of the spiral track is provided with grains, bulges or grooves.

Furthermore, the bottom in the cavity is provided with a groove, and the cavity interiors of the outflow cavity and the internal flow cavity are smooth surfaces.

Furthermore, the spiral tracks continuously wind around the central shaft in a wave shape with up-and-down fluctuation, and a certain distance d is kept between each spiral and the adjacent track after each spiral winds automatically.

Furthermore, two adjacent tracks of the spiral track fluctuate up and down at a certain angle, are similar to a sawtooth shape and continuously extend, and are wound around the central shaft, each turning angle is more than or equal to 0 and less than or equal to 180 degrees, and a certain distance d is kept between the two adjacent tracks.

Furthermore, two adjacent tracks of the spiral track are wound around the central axis of the cavity, a certain distance d is kept between the two tracks, baffles are arranged in the gaps, the baffles are rectangular, and the arrangement mode of the baffles relative to the two tracks is staggered.

Further, the inner flow cavity or the outer flow cavity can be a cylinder, a spindle body, a cone or a circular truncated cone.

Further, the inner flow cavity is similar to the outer flow cavity in shape, and the diameter of one end is different from or the same as that of the other end.

Furthermore, the nozzle is arranged in the center of the top of the cavity, the diameter of the nozzle is smaller than that of the internal flow cavity, the flow guide port is arranged on the side wall of the upper part of the cavity and is inserted with a flow guide outer pipe, and the gas-liquid inlet is a pipe which is inserted into the side wall or the bottom of the cavity and is provided with an inlet.

Further, the external source of supplying with liquid I of water conservancy diversion outer tube, gas-liquid access connection has detachable water source or air supply, governing valve and/or flowmeter are installed to water conservancy diversion mouth and gas-liquid import.

Compared with the prior art, the invention has the beneficial effects that:

the liquid I (usually water) is connected into the diversion outer tube, the liquid I is convoluted after entering the inner flow cavity, a spiral track is arranged in the inner flow cavity, the fluid is fully convoluted along the track in the inner flow cavity, negative pressure is generated in the center of the inner cavity of the inner flow cavity at the moment, after the gas or the liquid II is sucked, the liquid I and the gas or the liquid II are subjected to violent cutting and stirring and then are ejected from a nozzle, and the purpose of mixing the gas and the liquid is achieved.

The invention can realize gas-liquid or liquid-liquid mixing, namely mixing two fluids with different densities, can increase the contact time and the contact area of the gas-liquid mixing by the convoluted track, can fully contact the steam and the water by multiple convolutes, improves the gas-liquid mixing efficiency and reduces the energy loss.

According to the invention, by arranging the spiral track, water continuously enters the spiral track and fluctuates up and down in the spiral track, so that bubbles can be cut smaller in the process.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is another schematic structural diagram of the present invention.

Fig. 3 is a schematic view of the internal spiral track of the present invention.

Fig. 4 is a schematic top view of the spiral track of the present invention.

Fig. 5 is a schematic view of the spiral track structure of the present invention with the spiral track removed.

FIG. 6 is a schematic cross-sectional view taken at A-A of FIG. 5 in accordance with the present invention.

Fig. 7 is a schematic view of the present invention after installing the spiral track missing from fig. 4.

FIG. 8 is a schematic cross-sectional view taken at A-A of FIG. 7 in accordance with the present invention.

FIG. 9 is a schematic view of the acceleration of the liquid I of the present invention into FIG. 5.

Fig. 10 is another schematic diagram of a top view of the spiral track of the present invention.

Fig. 11 is another schematic diagram of a top view of the spiral track of the present invention.

Fig. 12 is another schematic diagram of the top view of the spiral track of the present invention.

In the figure: 1-cavity, 2-diversion outer tube, 3-gas-liquid inlet, 4-nozzle, 5-inner flow cavity wall, 6-outer flow cavity, 7-inner flow cavity, 8-spiral track, 9-small hole, 10-diversion port, 11-wave shape, 12-sawtooth shape, and 13-baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper/lower end", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed/sleeved," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-2 and 4-9, the present invention provides a technical solution:

the cavity body 1 is internally provided with an internal flow cavity 7, and an external flow cavity 6 is formed between the internal flow cavity wall 5 of the internal flow cavity 7 and the cavity body 1;

the flow guide port 10 is used for inputting liquid I into the outward flow cavity 6;

the gas-liquid inlet 3 is used for inputting gas or liquid II into the inward flow cavity 7;

the liquid I enters the outflow cavity 6 to be subjected to primary winding acceleration, then enters the inner flow cavity 7 to be subjected to secondary acceleration to generate negative pressure, and gas or liquid II entering the gas-liquid inlet 3 is sucked, fully mixed and cut to form gas and liquid;

and the nozzle 4 is positioned in the center of the cavity 1 and is used for spraying gas and liquid.

Specifically, the inner flow cavity wall 5 is provided with a plurality of groups of small holes 9, and the small holes 9 are distributed along the tangent line of the inner flow cavity 7.

Specifically, the small holes 9 have a plurality of longitudinal rows, the number of the small holes 9 in each longitudinal row is multiple, preferably, the small holes 9 have four longitudinal rows, the number of the small holes 9 in each longitudinal row is three, and the included angle between two adjacent longitudinal rows is 90 °, so that a good acceleration effect can be achieved, and in the embodiment, the diameter of each small hole 9 is smaller than that of the nozzle 4.

Specifically, the central authorities of diapire in the internal flow chamber 7 install spiral track 8, and spiral track gas-liquid flow is to the same with aperture liquid flow direction, more does benefit to the mixture fully, reduces the energy consumption, increases area of contact.

Specifically, the bottom in the outflow cavity 6 is provided with a groove, and the inside of the cavity of the outflow cavity 6 is a smooth surface.

Specifically, the spiral track 8 may fill the cavity of the internal flow cavity 7, or the upper half or the lower half of the cavity, the surface of the spiral track 8 has grains, protrusions or grooves, and the size of the grains and protrusions on the surface has certain limitation, which cannot affect the flow rate too much, nor cannot be too small to facilitate sufficient mixing. The protrusion or recess is optional and not necessary.

Specifically, the inner flow cavity 7 is similar to the outer flow cavity 6 in shape, and the diameter of one end is different from or the same as that of the other end.

Specifically, the nozzle 4 is arranged in the center of the top of the cavity 1, the diameter of the nozzle is smaller than that of the inner flow cavity 7, the diversion port 10 is arranged on the side wall of the upper portion of the cavity 1 and is inserted with the diversion outer tube 2, the gas-liquid inlet 3 is a tube which is inserted into the side wall or the bottom of the cavity 1 and is provided with an inlet, the inner walls of the diversion outer tube and the inner flow cavity are required to be smooth, and energy loss is reduced.

Specifically, the outer diversion pipe 2 is externally connected to a source for supplying liquid I, and the gas-liquid inlet 3 is connected with a detachable water source or a detachable gas source.

Specifically, the diversion port 10 and the gas-liquid inlet 3 are provided with an adjusting valve and/or a flowmeter. (installation of a valve-type flowmeter is also optional and need not be installed).

The technical principle of the embodiment 1 is as follows:

liquid I (usually water) is connected into the diversion outer tube 2, and is wound for 1 time along the outer part of the inner flow cavity 7, then enters the inner flow cavity 7 from a plurality of groups of inner flow cavity walls 5 with thickness and small holes 9 (also called as tangent holes), and is wound for 2 times in the inner flow cavity 7; the internal flow cavity 7 is internally provided with a convoluted track, fluid I fully convolutes along the track in the internal flow cavity 7, negative pressure is generated in the center of the internal cavity at the moment, after gas or liquid II is sucked, the liquid I and the gas or liquid II are sprayed out from the nozzle 4 after being cut and stirred violently, the purpose of mixing gas, liquid and liquid is achieved, the nozzle 4 can be externally connected with a threaded joint, and a device for controlling the angle and the direction can be externally connected onto the threaded joint, but the method is optional and not necessary.

As shown in fig. 10-12, the spiral track 8 is a cavity surrounding the outside, and is wound around the central axis, and the shape includes but is not limited to the following shapes:

(1): the spiral tracks 8 are continuously wound around the central shaft in a vertically fluctuating mode through the waves 11, and a certain distance d is kept between each spiral and the adjacent track after each spiral is wound automatically, so that the contact area and the contact time of gas and liquid are greatly increased when the gas and liquid flow along the gaps of the spiral tracks, and the effect of gas and liquid mixing is more obvious;

(2): the two adjacent tracks fluctuate up and down at a certain angle, extend like the sawtooth shape 12 continuously and revolve around the central shaft, each turning angle is more than or equal to 0 and less than or equal to 180 degrees, and a certain distance d is kept between the two adjacent tracks, so that the contact area and the contact time of gas and liquid are greatly increased when the gas and the liquid flow along the gap of the spiral track, and the effect of gas and liquid mixing is more obvious;

(3): two adjacent tracks revolve around the cavity center pin, two track clearances keep the certain distance, be equipped with baffle 13 in the clearance, baffle 13 is polygon or arc, every baffle setting mode is the gap is opened on the sealed upper portion of lower part, or the gap upper portion is sealed to the lower part, the sealed right on the left side cracks, or the sealed left side on the right cracks, set up in the track clearance in turn, the benefit that sets up like this can only advance forward through tortuous baffle after the gas-liquid mixture, realize cutting each other, flow forward, better realization microbubble dispersion effect.

The spiral tracks 8 in the above forms prolong the gas-liquid mixing time and the contact area through the zigzag serpentine shape of each track, so that a large amount of turbulent flows are generated when gas and liquid flow between the tracks, the effect of mutual cutting and mixing is realized, and finally a large amount of nano-level bubbles are generated.

Example 2

Referring to fig. 3, the present invention provides a technical solution, which is basically the same as the embodiment 1, except that:

the cavity body 1 comprises an internal flow cavity 7 and is used for accelerating, mixing and cutting the liquid I and the gas or the liquid II to form gas and liquid;

the flow guide port 10 is used for inputting liquid I into the cavity 1;

a gas-liquid inlet 3 for inputting gas or liquid II into the cavity 1;

the spiral track 8 is arranged in the cavity 1 and is used for winding and accelerating the liquid I and the gas or liquid II; and (4) fully mixing.

In this embodiment there is only one cavity, the inner flow cavity 7.

The technical principle of the embodiment 2 is as follows:

the liquid I (usually water) is connected into the diversion outer tube 2, the liquid I enters the inner flow cavity 7 and then is convoluted, the spiral track 8 (also called a convoluted track) is arranged inside the inner flow cavity 7, the fluid is fully and quickly convoluted along the track in the inner flow cavity 7, negative pressure is generated in the center of the inner cavity of the inner flow cavity 7 at the moment, after the gas or liquid II is sucked, the liquid I and the gas or liquid II are violently cut and stirred and then are ejected from the nozzle 4, and the purpose of mixing the gas, the liquid and the liquid is achieved.

The invention is further illustrated below:

before liquid I gets into interior flow cavity 7, get into efflux chamber 6, efflux chamber 6 parcel is outside at efflux cavity 7, and liquid I carries out 1 times of convolutes and accelerates inside the tangent direction outside 7 along the efflux cavity in efflux cavity 6: liquid I is after getting into efflux chamber 6, along the high-speed convolute of 6 inner walls in efflux chamber, by 6 upper portions downstream in efflux chamber, rebound again, produces centrifugal force, can accelerate I convolute speed of liquid, and the cavity internal portion of efflux chamber 6 requires smoothly, raises the efficiency, reduces energy loss.

Have multiunit aperture 9 on the internal flow chamber 7, aperture 9 is processed along 7 tangents in internal flow chamber for liquid I continues 2 times with higher speed along aperture 9 entering internal flow chamber 7 back, carries out high-speed convolutes along internal flow chamber 7 inside. 2 times of winding acceleration are realized: the aperture diameter is less, with the I (like water) of liquid in efflux chamber 6 along tangential direction towards aperture 9 for the velocity of flow of aperture 9 is greater than the velocity of flow of liquid in efflux chamber 6, in I entering of liquid flows in chamber 7, continue to carry out high-speed convolute along the 7 inner walls in the internal flow chamber, produce the negative pressure, with the gaseous or II intensive mixings backs of liquid that the bottom got into, continue to convolute in the internal flow chamber 7, abundant cutting can fully accelerate I liquid, reduce energy loss.

The inner flow cavity 7 is internally provided with a flow passage which is open and not sealed, the liquid pressure in the passage can be freely transmitted, and the liquid accelerated for 2 times is wound along the passage for multiple times.

The liquid I generates negative pressure when rotating in the inner flow cavity 7, the external gas or liquid II is sucked into the inner flow cavity 7, then the liquid I and the liquid I are fully contacted in the inner flow cavity 7 in a multi-time rotating manner, and the liquid I is sprayed out after being stirred.

If the negative pressure is insufficient, the negative pressure can be connected with a water pump or an air pump externally, and gas or liquid II is pressed into the inner flow cavity 7 and is mixed with the liquid I and then sprayed out.

At the bottom, have the recess to prevent that gas or liquid from circling around the corruption phenomenon to the bottom production in internal flow chamber 7 is inside, require internal flow chamber 7 inside smooth simultaneously, raise the efficiency, reduce the energy consumption loss.

As in example 2, the internal flow lumen 7 may be eliminated, or may be eliminated (i.e., the internal flow lumen may be increased).

The spiral orbit can be filled in the cavity internal flow cavity 7, and also can be arranged on the upper half part or the lower half part of the internal flow cavity 7, the size is not specified, and the flow guide orbit can be increased or withdrawn according to the requirement.

The surface of the convolute track can be provided with grains, bulges or grooves, so that the contact time and the contact area of gas-liquid mixing can be increased, and the gas-liquid mixing efficiency is improved.

After gas, liquid or liquid-liquid are mixed, the mixture is sprayed out from the nozzle 4, and the size of the nozzle 4 is smaller than the minimum diameter of the outer flow cavity 6 or the inner flow cavity 7.

The inner flow cavity 7 or the outer flow cavity 6 can be a cylinder, a spindle, a cone, a circular truncated cone and the like, namely, the diameter of one end can be different from or the same as that of the other end.

The diversion port 10 (the installation port of the diversion outer pipe 2)/the gas-liquid inlet 3 can be provided with (or not provided with) an adjusting valve and a flowmeter, can control the gas/liquid inflow and can also read the flow data.

Materials include, but are not limited to, metals, plastics, ceramics, siliceous materials, carbonaceous materials, and the like.

The invention can realize gas-liquid or liquid-liquid mixing, namely mixing two fluids with different densities. Two different liquids, such as oil, water, grease, benzene, etc. which cannot be dissolved mutually due to different densities can be fully mixed after passing through the device.

The remaining parts of the invention not described may be the same as the prior art and will not be described in detail here.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas-liquid or liquid-liquid mixes super microbubble generating device which characterized in that includes:

the cavity body (1) comprises an internal flow cavity (7) and is used for accelerating, mixing and cutting the liquid I and the gas or the liquid II to form gas and liquid;

the flow guide port (10) is used for inputting liquid I into the cavity (1);

the gas-liquid inlet (3) is used for inputting gas or liquid II into the cavity (1);

the spiral track (8) is arranged in the internal flow cavity (7) and is used for winding and accelerating the liquid I and the gas or the liquid II;

and the nozzle (4) is positioned in the center of the cavity (1) and is used for spraying gas and liquid.

2. The gas-liquid or liquid-liquid mixing ultramicro bubble generating device according to claim 1, characterized in that an internal flow cavity (7) is arranged in the cavity (1), and an external flow cavity (6) is formed between the internal flow cavity wall (5) of the internal flow cavity (7) and the cavity (1);

the flow guide port (10) is used for inputting liquid I into the outflow cavity (6);

the gas-liquid inlet (3) is used for inputting gas or liquid II into the internal flow cavity (7);

the liquid I enters the outflow cavity (6) to be wound and accelerated for the first time, then enters the inner flow cavity (7) to be accelerated for the second time to generate negative pressure, and gas or liquid II entering the gas-liquid inlet (3) is sucked, fully mixed and cut to form gas-liquid.

3. Gas-liquid or liquid-liquid mixing ultramicrobubble generating device according to claim 2, characterized in that said inner flow chamber wall (5) is provided with a plurality of groups of small holes (9), said small holes (9) are distributed along the tangent of the inner flow chamber (7), said small holes (9) are provided with a plurality of longitudinal rows, and the number of each longitudinal row of small holes (9) is a plurality near the inner flow chamber wall (5) of the nozzle (4).

4. The gas-liquid or liquid-liquid mixing ultramicro bubble generating device according to claim 2, characterized in that the center of the inner bottom wall of the inner flow chamber (7) is provided with a spiral track (8), the spiral track (8) can fill the cavity of the inner flow chamber (7), or the upper half part or the lower half part of the cavity, the surface of the spiral track (8) is provided with lines, bulges or grooves, the inner bottom part of the cavity (1) is provided with grooves, and the inner parts of the outer flow chamber (6) and the inner flow chamber (7) are smooth surfaces.

5. Gas-liquid or liquid-liquid mixing ultramicro bubble generating device according to claim 4, characterized in that the spiral tracks (8) are continuously wound around the central axis in a wave shape (11) with up-and-down fluctuation, and each spiral is automatically wound to keep a certain distance d with the adjacent track.

6. The gas-liquid or liquid-liquid mixing ultramicro bubble generating device according to claim 4, wherein two adjacent tracks of the spiral track (8) fluctuate up and down at a certain angle, extend like a sawtooth shape (12) continuously, and revolve around a central axis, each turning angle is greater than or equal to 0 and less than or equal to 180 degrees, and a certain distance d is kept between the two adjacent tracks.

7. The gas-liquid or liquid-liquid mixing ultramicro bubble generating device according to claim 4, characterized in that two adjacent tracks of the spiral track (8) are wound around the central axis of the chamber, a certain distance d is kept between the two tracks, a baffle (13) is arranged in the gap, the baffle (13) is rectangular, and the arrangement mode of the baffle (13) relative to the two tracks is staggered.

8. Gas-liquid or liquid-liquid mixing ultramicro bubble generating device according to any of claims 2 to 7 characterized in that the shape of the inner flow chamber (7) is similar to the outer flow chamber (6), and the diameter of one end is different or the same as the other end.

9. Gas-liquid or liquid-liquid mixing ultramicro bubble generation device according to claim 8, characterized in that the internal flow chamber (7) or the external flow chamber (6) can be a cylinder, a spindle, a cone or a cone.

10. The ultra-micro bubble generating device for gas-liquid or liquid-liquid mixing according to claim 2, wherein the nozzle (4) is arranged at the center of the top of the cavity (1), the diameter of the nozzle is smaller than that of the internal flow cavity (7), the diversion port (10) is arranged on the upper side wall of the cavity (1) and is inserted with a diversion outer tube (2), the gas-liquid inlet (3) is a tube inserted on the bottom side wall or bottom of the cavity (1) and provided with an inlet, the diversion outer tube (2) is externally connected to a source for supplying liquid I, the gas-liquid inlet (3) is connected with a detachable water source or gas source, and the diversion port (10) and the gas-liquid inlet (3) can be provided with a regulating valve and/or a flow meter.