CN216149616U - Micro-nano bubble generating system - Google Patents

Abstract

A micro-nano bubble generation system comprises a gas-liquid mixer, wherein the gas-liquid mixer comprises an air inlet channel, a liquid inlet channel and a mixing channel, one end of the mixing channel is connected with the air inlet channel and the liquid inlet channel, and the other end of the mixing channel is a first gas-liquid outlet and is arranged in a honeycomb manner; the pump body is connected with the first gas-liquid outlet; and a bubble generating device comprising a fluidic member and a bubbler; the jet piece is provided with a gas-liquid access channel, a jet channel and a diffusion chamber, and the gas-liquid access channel is provided with a first gas-liquid inlet connected with the pump body; the cross-sectional area of the jet flow channel is smaller than that of the gas-liquid access channel and the diffusion chamber; the bubbler comprises at least one bubbling channel, one end of the bubbling channel is a second gas-liquid inlet, the other end of the bubbling channel is a second gas-liquid outlet, the second gas-liquid inlet is communicated with the diffusion chamber, and the cross-sectional area of the bubbling channel is gradually increased from the second gas-liquid inlet to the second gas-liquid outlet. This micro-nano bubble generation system, it is through many times gas-liquid mixture, can produce the water that contains a large amount of micro-nano bubbles, and bubble concentration is high, and is effectual.

Description

Micro-nano bubble generating system

Technical Field

The utility model belongs to the technical field of water treatment equipment manufacturing, and particularly relates to a micro-nano bubble generation system.

Background

The water purifier is a water purifying device which filters and purifies impurities and microorganisms in water in a filtering mode. The raw water is generally filtered and purified by the filter element assembly in the water purifier to obtain purified water, however, the existing water purifier can only obtain a water body in one form, and is single in function and poor in applicability.

The bubbler is widely applied to high-grade water taps, and can play a role in smoothing water flow and improving the comfort of water. The ordinary bubble generator on the present tap all is non-micro-nano bubble generator, and ordinary bubble generator makes rivers and air mix the bubble that produces a small amount of centimetre level more through the velocity of flow that reduces rivers. In order to obtain bubble water containing smaller bubbles, it is necessary to increase the flow rate of the water flow of dissolved air, but small bubbles generated in the bubble water are liable to burst and disappear by an external force.

Therefore, it is necessary to provide a micro-nano bubble generation system to solve the deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above disadvantages of the prior art, the present invention provides a micro-nano bubble generation system, which aims to solve the problems of the prior art.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a micro-nano bubble generation system comprising:

the gas-liquid mixer comprises an air inlet channel, a liquid inlet channel and a mixing channel, wherein one end of the mixing channel is connected with the air inlet channel and the liquid inlet channel, and the other end of the mixing channel is provided with a plurality of first gas-liquid outlets which are arranged in a honeycomb manner;

the pump body is connected with the first gas-liquid outlet; and

the bubble generating device comprises a jet piece and a bubbler; the jet flow piece is provided with a gas-liquid access channel, a jet flow channel and a diffusion chamber which are sequentially connected, and the gas-liquid access channel is provided with a first gas-liquid inlet connected with the pump body; the cross-sectional area of the jet flow channel is smaller than that of the gas-liquid access channel and that of the diffusion chamber; the bubbler comprises at least one bubbling channel, one end of the bubbling channel is a second gas-liquid inlet, the other end of the bubbling channel is a second gas-liquid outlet, the second gas-liquid inlet is communicated with the diffusion chamber, and the cross-sectional area of the bubbling channel is gradually increased from the second gas-liquid inlet to the second gas-liquid outlet.

Preferably, the feed liquor way includes the feed liquor section and the first efflux section of being connected with the feed liquor section, feed liquor section uniform section sets up and one end is the inlet, first efflux section uniform section set up and one end be with the liquid outlet that the mixed road is connected, the cross sectional area of inlet is greater than the cross sectional area of liquid outlet.

Preferably, the mixing channel comprises a mixing section and a second jet flow section, the mixing section is connected with the air inlet channel and the liquid inlet channel, and the first gas-liquid outlet is arranged in the second jet flow section; the mixing section is arranged on the equal section of the second jet flow section, the section area of the mixing section is larger than that of the liquid outlet, and the section area of the first gas-liquid outlet is larger than that of the liquid inlet.

Preferably, the liquid supply device is connected with the liquid inlet channel and comprises a liquid supply pipe and a first control valve for controlling the on-off of the liquid supply pipe.

Preferably, the air supply device is connected with the air inlet channel and comprises an air supply pipe and an air pump for controlling the pressure of the air supply pipe.

Preferably, the bubbler further comprises a first expansion groove connected with the second gas-liquid inlet, the first expansion groove is communicated with the second gas-liquid inlet, and an opening is formed in one end, far away from the second gas-liquid inlet, of the first expansion groove.

Preferably, a groove wall of the first containing groove is provided with a convex structure protruding towards the opening.

Preferably, a second expansion groove communicated with the first expansion groove is further arranged on the groove wall of the first expansion groove.

Preferably, the bubbler comprises a plurality of bubbling pieces which are connected in sequence, and each bubbling piece is provided with the bubbling channel; the bubbling member at one end thereof is connected with the diffusion chamber of the fluidic member; in two adjacent foaming pieces, a second gas-liquid outlet of the foaming piece close to the jet flow piece is connected with a second gas-liquid inlet of the foaming piece far away from the jet flow piece.

Preferably, the bubble generating device further comprises a gas-liquid outlet joint, the gas-liquid outlet joint is provided with a gas-liquid collecting cavity and a terminal connecting portion used for being connected with the water outlet terminal, and the gas-liquid collecting cavity is communicated with the second gas-liquid outlet.

Compared with the prior art, the utility model has the beneficial effects that:

1. the micro-nano bubble generation system is provided with a gas-liquid mixer and a bubble generation device, gas and liquid respectively enter a mixing channel from an air inlet channel and an liquid inlet channel of the gas-liquid mixer, primary gas-liquid mixing is carried out in the gas-liquid mixer, and then the gas and the liquid are input into a pump body from the mixing channel; then inputting the mixture into a bubble generating device, accessing gas-liquid mixed fluid through a gas-liquid access channel, and then entering a foaming channel of a bubbler through a jet flow channel of a jet flow piece to perform third gas-liquid mixing. According to the utility model, through multiple gas-liquid mixing, the number of generated micro-nano bubbles is more, the bubble concentration is greatly improved, and the efficiency of micro-nano bubble generation is higher.

2. In the bubble generating device, because the cross-sectional area of the jet flow channel is smaller than the cross-sectional areas of the gas-liquid access channel and the diffusion chamber, the pressure of gas-liquid mixed fluid is increased after the gas-liquid mixed fluid enters the jet flow channel, so that the flow speed is accelerated, the pressure is suddenly reduced after the gas-liquid mixed fluid reaches the diffusion chamber, and negative pressure is formed, so that water and gas are further mixed together; after entering the bubbling channel, the cross-sectional area of the bubbling channel is gradually increased, so that the water-gas mixing volume is enlarged, and because the gas rises slightly, the water flow impacts downwards, and the high-speed water flow impacts the gas to form a large amount of bubbles instantly. According to the utility model, the water and the air can be mixed violently by accelerating the flow speed, and then the bubbles are generated by impacting the gas with high-speed flowing water by expanding the water and air mixing volume, so that the generated micro-nano bubbles are more in quantity and higher in efficiency.

3. The first gas-liquid outlets arranged on the gas-liquid mixer are arranged in a honeycomb manner, so that gas-liquid mixed fluid can pass through the pump body more uniformly and more quickly, and the efficiency of secondary gas-liquid mixing is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a perspective view of a gas-liquid mixer of the present invention;

FIG. 3 is a cross-sectional view of a gas-liquid mixer of the present invention;

FIG. 4 is a perspective view of the bubble generating device in the first embodiment;

FIG. 5 is a sectional view of the bubble generating means in the first embodiment;

FIG. 6 is a perspective view of a fluidic piece of the present invention;

FIG. 7 is a perspective view of the end foam member of the present invention;

FIG. 8 is a cross-sectional view of the end foam member of the present invention;

FIG. 9 is a bottom view of the end foam member of the present invention;

FIG. 10 is a sectional view of a bubble generation device in a second embodiment;

FIG. 11 is a perspective view of the connecting blister of the present invention;

FIG. 12 is a perspective view of a bubble generation device in a third embodiment;

FIG. 13 is a sectional view of a bubble generation device in a third embodiment;

FIG. 14 is a perspective view of a bubble generation device in a fourth embodiment;

FIG. 15 is a sectional view of a bubble generation device in the fourth embodiment;

description of reference numerals:

1-gas-liquid mixer; 11-an air inlet channel; 12-a liquid inlet channel; 121-a liquid inlet section; 1211-inlet port; 122 — a first jet section; 1222-a liquid outlet; 13-mixing channel; 131-a first gas-liquid outlet; 132-a mixing section; 133-a second jet section;

2-a pump body;

3-a bubble generating device;

31-a fluidic member; 311-gas liquid access channel; 3111-a first gas-liquid inlet; 312-fluidic channels; 313-a diffusion chamber; 314-a first thread segment;

32-a bubbler; 321-a blister; 3211-a bubbling channel; 32111-a second gas-liquid inlet; 32112-a second gas-liquid outlet; 3212-a first expansion tank; 3213-a bulge structure; 3214-a second expansion tank; 3215-first internal thread; 3216-second thread segment; 3201-connecting the blister; 3202-end blister;

33-gas-liquid outlet joint; 331-gas-liquid collecting cavity; 332-a terminal connection; 333-a second internal thread segment;

4-a liquid supply device; 41-a liquid supply tube; 42-first control valve, 43-shutoff valve;

5-an air supply device; 51-a gas supply tube; 52-air pump.

Detailed Description

In order to make the technical problems solved, technical solutions adopted, and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention are described in further detail below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 15, a micro-nano bubble generation system includes a gas-liquid mixer 1, a pump body 2, and a bubble generation device 3.

Wherein, as shown in fig. 2 and fig. 3, the gas-liquid mixer 1 includes an inlet channel 11, an inlet channel 12 and a mixing channel 13, one end of the mixing channel 13 is connected the inlet channel 11 with the inlet channel 12, the other end is a first gas-liquid outlet 131, and is arranged in a honeycomb manner, the pump body 2 with the first gas-liquid outlet 131 is connected. The gas inlet 11 is used for inputting gas (such as air), the liquid inlet 12 is used for inputting liquid (such as water), the mixing channel 13 is used for mixing the input gas and liquid, the first mixing is carried out, the mixed gas-liquid mixed fluid is discharged from the first gas-liquid outlet 131 to the pump body 2, the mixed gas-liquid mixed fluid is extracted and pumped to the foaming generation device by the pump body 2, and the gas and the liquid are drawn into the pump and can be discharged from the pump, and are subjected to second gas-liquid mixing. Wherein the pump body 2 may be a booster pump.

As shown in fig. 4 to 15, the bubble generation device 3 includes a jet member 31 and a bubbler 32.

As shown in fig. 4 and 5, the jet member 31 is provided with a gas-liquid inlet passage 311, a jet passage 312 and a diffusion chamber 313 which are connected in sequence, and the gas-liquid inlet passage 311 is provided with a first gas-liquid inlet 3111 connected with the pump body 2; the cross-sectional area of the jet flow channel 312 is smaller than the cross-sectional areas of the gas-liquid inlet channel 311 and the diffusion chamber 313. The gas-liquid mixed fluid is input into the first gas-liquid inlet 3111 from the pump body 2, and sequentially passes through the gas-liquid access passage 311, the jet flow passage 312 and the diffusion chamber 313, and the cross-sectional area of the jet flow passage 312 is smaller than that of the gas-liquid access passage 311, so that the pressure is suddenly increased after the mixed fluid enters the jet flow passage 312, the flow speed of the jet flow passage 312 is increased, the water flow impact force is improved, and the subsequent foaming is facilitated. After entering the diffusion chamber 313 from the jet flow channel 312, the gas is rapidly sprayed out, and the pressure is suddenly reduced because the cross-sectional area of the jet flow channel 312 is smaller than that of the diffusion chamber 313, so that negative pressure is formed at the outlet of the jet flow channel 312, and the gas is further dissolved in the water. In one embodiment, wherein the cross-sectional area of the diffusion chamber 313 is larger than the cross-sectional area of the gas-liquid inlet passage 311, the difference in pressure is increased to increase the amount of dissolved bubbles in water.

As shown in fig. 5 to 11, the bubbler 32 includes at least one bubbling channel 3211, one end of the bubbling channel 3211 is a second gas-liquid inlet 32111, the other end is a second gas-liquid outlet 32112, the second gas-liquid inlet 32111 is communicated with the diffusion chamber 313, and a cross-sectional area of the bubbling channel 3211 gradually increases from the second gas-liquid inlet 32111 to the second gas-liquid outlet 32112. The gas-liquid mixed fluid from the diffusion chamber 313 enters the bubble channel 3211 from the second gas-liquid inlet 32111, and the cross-sectional area of the bubble channel 3211 gradually increases from the second gas-liquid inlet 32111 to the second gas-liquid outlet 32112, so that the gas-water mixed volume is enlarged, the pressure is gradually reduced, the gas dissolved in water becomes bubbles, and a large number of micro-nano bubbles are formed instantaneously by matching with the high-speed impact gas of the water flow and are discharged from the second gas-liquid outlet 32112, which is the third mixing of gas and liquid.

In addition, in general, when in use, the bubble generating device 3 is vertical, the jet piece 31 is arranged above, and the bubbler 32 is arranged below, because the gas rises slightly, the water flow impacts downwards, the high-speed water flow impacts the gas, and the gas and the water flow are mixed vigorously, so that a large number of micro-nano bubbles are formed instantly. In one embodiment, the frothing channel 3211 is tapered. The bubbling channel 3211 may have only one or a plurality of bubbling channels each connected to the diffusion chamber 313.

Specifically, as shown in fig. 2 and fig. 3, the liquid inlet channel 12 includes a liquid inlet section 121 and a first liquid outlet section 122 connected to the liquid inlet section 121, the liquid inlet section 121 is disposed in a uniform cross section and has one end serving as a liquid inlet 1211, the first liquid outlet section 122 is disposed in a uniform cross section and has one end serving as a liquid outlet 1222 connected to the mixing channel 13, and a cross-sectional area of the liquid inlet 1211 is greater than a cross-sectional area of the liquid outlet 1222. The liquid inlet 1211 inputs liquid and is discharged from the liquid outlet 1222 to the mixing channel 13, and since the cross-sectional area of the liquid inlet segment 121 is larger than that of the liquid outlet 1222, the flow speed of the liquid is increased when the liquid passes through the jet segment, so that the liquid can rapidly rush into the mixing channel 13 to be vigorously mixed and dissolved with the gas in the mixing channel 13, which is beneficial to generating micro-nano bubbles. In one embodiment, the junction of the intake section 121 and the jet section is in a tapered transition.

Specifically, as shown in fig. 2 and 3, the mixing channel 13 includes a mixing section 132 and a second fluidic section 133. The mixing section 132 is connected with the gas inlet channel 11 and the liquid inlet channel 12, the first gas-liquid outlet 131 is arranged on the second jet flow section 133, the gas and the liquid which are input into the mixing section 132 are mixed for the first time, the mixed gas and the liquid enter the second jet flow section 133, and the mixed gas and the liquid are discharged to the pump body 2 from the first gas-liquid outlet 131 after passing through the second jet flow section 133. Wherein, mix section 132 the equal cross-section setting of second fluidic section 133, the two can be the pipeline section promptly, just mix the cross-sectional area of section 132 and be greater than the cross-sectional area of liquid outlet 1222, liquid gets into and mixes the section 132 after, because the space increases suddenly to produce suction, accelerate the suction with gas, the liquid in intake duct 11, the feed liquor way 12, further aggravate the mixture of gas-liquid. The cross-sectional area of the first gas-liquid outlet 131 is larger than that of the liquid inlet 1211, that is, the outlet flow is larger than that of the inlet, and gas is naturally sucked from the gas inlet 11.

Preferably, as shown in fig. 1, the micro-nano bubble generation system further includes a liquid supply device connected to the liquid inlet 12, the liquid supply device includes a liquid supply pipe 41 and a first control valve 42 for controlling on/off of the liquid supply pipe 41, the liquid supply pipe 41 may be connected to a faucet or other water sources, and the first control valve 42 may be an electromagnetic valve and may be a controller for automatically controlling the channel. More preferably, a pressure maintaining valve is further provided on the liquid supply pipe 41.

Similarly, as shown in fig. 1, the micro-nano bubble generation system further includes an air supply device 5 connected to the air inlet 11, wherein the air supply device 5 includes an air supply pipe 51 and an air pump 52 for controlling the pressure of the air supply pipe 51. More preferably, the air supply pipe 51 is further provided with an air filtering device and/or a flow regulating valve. The air filtering device can filter the air entering the air-liquid mixer 1, and filter dust and bacteria in the air. The check valve can prevent the liquid in the gas-liquid mixer 1 from overflowing from the gas supply pipe 51 due to the excessive pressure in the gas-liquid mixer 1. The flow regulating valve can control the flow of the gas entering the gas supply pipe 51, and different flow can be selected according to specific use conditions.

Specifically, as shown in fig. 5 and 8, the bubbler 32 further includes a first expansion tank 3212 connected to the second gas-liquid inlet 32111, the first expansion tank 3212 is communicated with the second gas-liquid inlet 32111, and an opening is formed at one end of the first expansion tank 3212, which is far away from the second gas-liquid inlet 32111. The arrangement of the first expansion groove 3212 can increase the water-air mixing volume, and can also store part of gas which is not dissolved in water, so that more gas is contained in the cavity, and more bubbles are generated conveniently. The gas-liquid mixed fluid enters the first expansion tank 3212 from the diffusion chamber 313 and impacts the wall of the first expansion tank 3212, so that the gas and the liquid are mixed more vigorously, thereby increasing the number of nano microbubbles.

Preferably, as shown in fig. 5, 8 and 9, a convex structure 3213 protruding toward the opening is provided on a wall of the first expansion tank 3212, and after the bubbles enter the first expansion tank 3212, the bubbles impact the convex structure 3213, so that the gas and the liquid in the gas-liquid mixed fluid are further mixed with the water, and more bubbles are generated. Specifically, the protrusion structure 3213 is sheet-shaped and/or annular, and in one embodiment, the protrusion structure 3213 has an annular shape and a sheet-shaped shape, the annular protrusion structure 3213 is located in the middle, and a plurality of sheet-shaped protrusion structures 3213 are located outside the annular protrusion structure 3213 and are radial, so as to divide the first expansion groove 3212 into a plurality of blocks, and each block is provided with a foaming channel 3211.

Further, as shown in fig. 5, 8 and 9, a second expansion tank 3214 communicated with the first expansion tank 3212 is further disposed on a tank wall of the first expansion tank 3212, and the second expansion tank 3214 further increases a gas-liquid mixing volume, which can increase a water-gas mixing volume, and also can store part of gas not dissolved in water, so that more gas is contained in the cavity, and more bubbles are generated.

As shown in fig. 4 and 5, the jet member 31 is in threaded connection with the bubbler 32, specifically, the jet member 31 is provided with a first threaded section 314, an external thread is provided on the first threaded section 314, the bubbler 32 is provided with an internal thread, and the internal thread can be in threaded connection with the first threaded section 314, so as to achieve connection between the jet member 31 and the bubbler 32. In addition, a sealing ring is arranged between the jet piece 31 and the bubbler 32 to ensure that the joint of the jet piece and the bubbler does not leak.

In one embodiment, as shown in FIG. 4, the bubbler 32 has only one bubbler 321.

In addition, the bubbler 32 has other configurations, as shown in fig. 10 to 15, the bubbler 32 includes a plurality of sequentially connected bubbling members 321, each of the bubbling members 321 is provided with the bubbling channel 3211; the second gas-liquid inlet 32111 of the bubbling member 321 at one end thereof is connected to the diffusion chamber 313 of the fluidic member 31; in two adjacent bubbling members 321, the second gas-liquid outlet 32112 of the bubbling member 321 close to the fluidic member 31 is connected to the second gas-liquid inlet 32111 of the bubbling member 321 far from the fluidic member 31. By increasing the number of the bubbling members 321, the content and efficiency of micro-nano bubbles in the gas-liquid mixed fluid discharged last can be improved. Accordingly, each of the foaming members 321 is provided with a first expansion groove 3212, a second expansion groove 3214 and a protrusion structure 3213.

As shown in fig. 10, two adjacent foaming members 321 are screwed.

As shown in fig. 7 to 11, the foaming members 321 may be classified according to their specific positions, which are respectively a connection foaming member 3201 and a terminal foaming member 3202, wherein one end of the connection foaming member 3201 is provided with an internal thread, one end is provided with a second thread segment 3216, and the second thread segment 3216 is an external thread, and the internal thread may be connected with the first thread segment 314 of the jet member 31 or the second thread segment 3216 of another foaming member 321. The end foaming member 3202 is provided with only internal threads and no external thread segments, and is connected with the second thread segments 3216 of the previous foaming member 321 by the internal threads.

In one embodiment, as shown in fig. 10, the bubbler 32 includes two bubbling members 321, and the bubble generating device 3 is configured by a fluidic member 31, a connecting bubbling member 3201, and a terminal bubbling member 3202 in this order.

In another embodiment, the bubbler 32 includes three bubbling members 321, and the micro-nano bubble generating device 3 has the structure of a fluidic member 31, a connecting bubbling member 3201 and a terminal bubbling member 3202. Similarly, the number of blisters 321 in the bubbler 32 may be greater, with the exception of one end blister 3202, which is the connecting blister 3201.

In a specific implementation, the prepared water rich in micro-nano bubbles may need to be input into a cleaning device, and therefore, in order to facilitate connection of the bubble generation device 3 with the cleaning device, as shown in fig. 12 to 15, the bubble generation device 3 further includes a gas-liquid outlet joint 33, which is provided with a gas-liquid collection cavity 331 and a terminal connection portion 332 for connection with a water outlet terminal, and the gas-liquid collection cavity 331 is communicated with the second gas-liquid outlet 32112. The water outlet terminal can be a water outlet tap or a water outlet pipe of the cleaning device, and therefore, the terminal connecting portion 332 can be a hollow pipe shape, is communicated with the gas-liquid collecting cavity 331, and can be inserted into the water outlet pipe of the cleaning device to realize connection. The gas-liquid collecting cavity 331 is communicated with the second gas-liquid outlet 32112, and can receive the liquid (such as bubble water) containing a large amount of micro-nano bubbles generated by the bubbler 32, and input the liquid from the terminal connecting portion 332 to the water outlet terminal of the cleaning device. In addition, there are a plurality of bubble channels 3211 on the bubbler 32, which may be 2-20, for example, 5, in one embodiment, there are 10 bubble channels 3211, and the bubble channels 3211 are all communicated with the gas-liquid collecting cavity 331, and a gas-liquid collecting cavity 331 is used to collect the liquid containing a large amount of micro-nano bubbles generated by each bubble channel 3211, and input the liquid to the water outlet terminal together.

As shown in fig. 13 and 15, the gas-liquid outlet joint 33 is in threaded connection with the bubbler 32, the bubbler 32 is provided with a second threaded section 3216, and the gas-liquid outlet joint 33 is provided with a second internal threaded section matched with the second threaded section 3216.

In one embodiment, as shown in fig. 14, the bubbler 32 includes two bubbling members 321, and the bubble generating device 3 is configured by a fluidic member 31, a bubbling member 321, and a gas-liquid outlet joint 33 in sequence.

In another embodiment, the bubbler 32 comprises three bubbling members 321, and the structure of the bubble generating device 3 comprises the fluidic member 31, the bubbling member 321, and the gas-liquid outlet joint 33 in sequence.

Similarly, in the bubble generating device 3, the number of the foaming pieces 321 in the bubbler 32 can be more, the head end and the tail end are respectively provided with the jet piece 31 and the gas-liquid outlet joint 33, and the middle part is provided with the foaming pieces 321 which are connected in sequence.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship merely for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, configuration, and operation in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. A micro-nano bubble generation system is characterized by comprising:

the gas-liquid mixer comprises an air inlet channel, a liquid inlet channel and a mixing channel, wherein one end of the mixing channel is connected with the air inlet channel and the liquid inlet channel, and the other end of the mixing channel is provided with a plurality of first gas-liquid outlets which are arranged in a honeycomb manner;

the pump body is connected with the first gas-liquid outlet; and

the bubble generating device comprises a jet piece and a bubbler; the jet flow piece is provided with a gas-liquid access channel, a jet flow channel and a diffusion chamber which are sequentially connected, and the gas-liquid access channel is provided with a first gas-liquid inlet connected with the pump body; the cross-sectional area of the jet flow channel is smaller than that of the gas-liquid access channel and that of the diffusion chamber; the bubbler comprises at least one bubbling channel, one end of the bubbling channel is a second gas-liquid inlet, the other end of the bubbling channel is a second gas-liquid outlet, the second gas-liquid inlet is communicated with the diffusion chamber, and the cross-sectional area of the bubbling channel is gradually increased from the second gas-liquid inlet to the second gas-liquid outlet.

2. The micro-nano bubble generating system according to claim 1, wherein: the feed liquor way includes feed liquor section and the first efflux section of being connected with the feed liquor section, feed liquor section uniform section sets up and one end is the inlet, first efflux section uniform section set up and one end be with the liquid outlet that the mixed road is connected, the cross sectional area of inlet is greater than the cross sectional area of liquid outlet.

3. The micro-nano bubble generating system according to claim 2, wherein: the mixing channel comprises a mixing section and a second jet flow section, the mixing section is connected with the air inlet channel and the liquid inlet channel, and the first gas-liquid outlet is arranged in the second jet flow section; the mixing section is arranged on the equal section of the second jet flow section, the section area of the mixing section is larger than that of the liquid outlet, and the section area of the first gas-liquid outlet is larger than that of the liquid inlet.

4. The micro-nano bubble generating system according to claim 1, wherein: the liquid supply device comprises a liquid supply pipe and a first control valve used for controlling the on-off of the liquid supply pipe.

5. The micro-nano bubble generating system according to claim 1, wherein: the air supply device is connected with the air inlet channel and comprises an air supply pipe and an air pump used for controlling the pressure of the air supply pipe.

6. The micro-nano bubble generating system according to claim 1, wherein: the bubbler further comprises a first expansion groove connected with the second gas-liquid inlet, the first expansion groove is communicated with the second gas-liquid inlet, and an opening is formed in one end, far away from the second gas-liquid inlet, of the first expansion groove.

7. The micro-nano bubble generating system according to claim 6, wherein: and a protruding structure protruding towards the opening is arranged on the wall of the first expansion groove.

8. The micro-nano bubble generating system according to claim 6, wherein: and a second expansion groove communicated with the first expansion groove is also formed in the groove wall of the first expansion groove.

9. The micro-nano bubble generating system according to claim 1, wherein: the bubbler comprises a plurality of bubbling pieces which are connected in sequence, and each bubbling piece is provided with a bubbling channel; the bubbling member at one end thereof is connected with the diffusion chamber of the fluidic member; in two adjacent foaming pieces, a second gas-liquid outlet of the foaming piece close to the jet flow piece is connected with a second gas-liquid inlet of the foaming piece far away from the jet flow piece.

10. The micro-nano bubble generating system according to claim 1, wherein: the bubble generating device further comprises a gas-liquid outlet joint, the gas-liquid outlet joint is provided with a gas-liquid collecting cavity and a terminal connecting portion used for being connected with the water outlet terminal, and the gas-liquid collecting cavity is communicated with the second gas-liquid outlet.

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