CN216890261U - Micro-nano bubble water preparation facilities and water supply equipment - Google Patents

Abstract

The utility model relates to the technical field of micro-nano bubble water preparation, and discloses a micro-nano bubble water preparation device and water supply equipment. Micro-nano bubble water preparation facilities is including a jar body, inhalant canal and, inlet channel and gas-liquid mixer, the gas-liquid mixing chamber has been constructed on the jar body, for predetermineeing the malleation in the gas-liquid mixing chamber, inhalant canal and inlet channel, be used for respectively letting in water and gas in the gas-liquid mixing chamber from above the gas-liquid mixing chamber, gas-liquid mixer sets up in the gas-liquid mixing chamber and splits the gas-liquid mixing chamber into upper mixing chamber and lower mixing chamber, be provided with the vortex hole of intercommunication upper mixing chamber and lower mixing chamber on the gas-liquid mixer, the narrow toper space of the wide lower extreme in upper end is enclosed to the gas-liquid mixer. The micro-nano bubble water preparation device provided by the utility model can be used for fully mixing gas and liquid, and has a good bubble preparation effect. According to the water supply equipment, the micro-nano bubble water preparation device is arranged, so that micro-nano bubble water can be continuously and stably supplied.

Description

Micro-nano bubble water preparation facilities and water supply equipment

Technical Field

The utility model relates to the technical field of bubble water preparation, in particular to a micro-nano bubble water preparation device and water supply equipment.

Background

The micro-nano bubble water has the advantages of oxidability, sterilization and the like, so that the micro-nano bubble water preparation device is more and more widely applied to household appliances such as water purifiers, water heaters and the like. The micro-nano bubble water is prepared by a pressure difference mixing method, namely, a certain amount of gas (such as air) is fully mixed with water under certain pressure to form gas-water mixed liquid, and then the gas dissolved in the water is suddenly polymerized to form fine micro-bubbles to be milky through expansion and pressure release.

Under some use scenes, when the flow demand of required micro-nano bubble water is great, the dwell time of water in the gas-liquid mixing intracavity is shorter, and the sufficient gas of volume is fully dissolved in aqueous to current micro-nano bubble water preparation facilities difficult to guarantee, and then influences the preparation effect of follow-up micro-nano bubble water.

Therefore, a micro-nano bubble water preparation device and a water supply apparatus are needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a micro-nano bubble water preparation device which can enable gas to be fully mixed with liquid and has a good bubble preparation effect.

The utility model also provides water supply equipment, which can continuously and stably supply micro-nano bubble water by arranging the micro-nano bubble water preparation device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a micro-nano bubble water preparation facilities includes:

the tank body is provided with a gas-liquid mixing cavity, and the gas-liquid mixing cavity is internally provided with a preset positive pressure;

the water inlet channel and the gas inlet channel are respectively used for introducing water and gas into the gas-liquid mixing cavity from the upper part of the gas-liquid mixing cavity;

the gas-liquid mixer is arranged in the gas-liquid mixing cavity and divides the gas-liquid mixing cavity into an upper mixing cavity and a lower mixing cavity, the gas-liquid mixer is provided with a communicating hole, the upper mixing cavity and the lower mixing cavity are communicated with each other, and the gas-liquid mixer is surrounded by a conical space with a wide upper end and a narrow lower end.

Preferably, the spoiler holes are disposed obliquely upward in a direction from the upper mixing chamber toward the lower mixing chamber.

Preferably, a drainage port is arranged above the gas-liquid mixing cavity and used for introducing water and gas, and the distance between the upper end of the gas-liquid mixer and the drainage port is 30-50 cm along the vertical direction.

Preferably, the tank body is further provided with an air inlet cavity above the gas-liquid mixing cavity, the air inlet cavity is communicated with the gas-liquid mixing cavity through a drainage port arranged right above the gas-liquid mixing cavity, the air inlet channel is communicated with the air inlet cavity, an outlet of the water inlet channel is a jet port, and the jet port is opposite to the drainage port and is provided with a gap for air to pass through between the drainage port.

Preferably, the distance between the jet orifice and the drainage orifice is-5 mm to 5mm along the vertical downward direction.

Preferably, a drainage tube is arranged below the drainage port, and the length of the drainage tube is 2-5 times of the inner diameter of the drainage tube.

Preferably, the inhalant canal includes the section of intaking and is located intake the section of accelerating of section below, the flow area of the section of accelerating is less than the flow area of the section of intaking, the export of the section of accelerating is the efflux mouth.

Preferably, the diameter of the drainage port is larger than the diameter of the jet port.

Preferably, a buffering rib is arranged in the air inlet cavity, and the opening of the air inlet channel facing the air inlet cavity is opposite to the buffering rib.

Preferably, the buffering muscle centers on the drainage mouth with the jet orifice sets up, be provided with on the buffering muscle the intercommunication the air intake chamber with the bleed mouth of drainage mouth, bleed mouth with inlet channel orientation the opening setting of staggering of air intake chamber.

Preferably, the inner wall of the air inlet cavity and/or the connection position of the buffer rib and the inner wall of the air inlet cavity are in smooth transition.

Preferably, the micro-nano bubble water preparation device further comprises an air pump arranged on the air inlet channel, and the air pump is used for pumping air into the air inlet channel.

Preferably, the micro-nano bubble water preparation device further comprises a one-way valve, the one-way valve is arranged on the air inlet channel and located between the air pump and the air inlet cavity, and when the pressure in the air inlet cavity is negative pressure, the one-way valve is opened.

Preferably, the micro-nano bubble water preparation device further comprises a bubble releasing mechanism, the bubble releasing mechanism is communicated with the gas-liquid mixing cavity, and the pressure in the bubble releasing mechanism is smaller than the pressure in the gas-liquid mixing cavity.

Preferably, the bubble releasing mechanism comprises a bubble releasing channel and a bubble releasing cavity, the bubble releasing channel is communicated with the gas-liquid mixing cavity and the bubble releasing cavity, a bubble releasing sheet is arranged in the bubble releasing cavity, and the bubble releasing sheet is used for cutting and mixing liquid from the gas-liquid mixing cavity.

Preferably, the bubble releasing passage comprises a gradual change section and a communicating section, two ends of the gradual change section are respectively communicated with the gas-liquid mixing cavity and one end of the communicating section, the other end of the communicating section is communicated with the bubble releasing cavity, and the flow area of the gradual change section is gradually reduced from the gas-liquid mixing cavity to the communicating section.

Preferably, the micro-nano bubble water preparation device further comprises an additional pump, and the additional pump is used for pumping water into the air inlet channel.

The water supply equipment is characterized by comprising the micro-nano bubble water preparation device.

The utility model has the beneficial effects that:

according to the micro-nano bubble water preparation device, water and gas enter the gas-liquid mixing cavity from the upper part of the gas-liquid mixing cavity, then enter the upper mixing cavity, and then enter the lower mixing cavity through the flow disturbing hole in the gas-liquid mixer, and the gas-liquid mixing cavity is in a positive pressure environment, so that the gas can be dissolved in water, and the micro-nano bubble water can be generated by subsequently releasing pressure. The gas-liquid mixer of the embodiment is surrounded by a tapered space with a wide upper part and a narrow lower part, on one hand, in the process of falling under water, water fully collides with the side wall of the upper side of the gas-liquid mixer and is retained and rolled in the tapered space, so that sufficient disturbed turbulence is formed; on the other hand, under the guide effect of gas-liquid mixer downside lateral wall, the water of lower mixing chamber more is convenient for through vortex hole backward flow to supreme mixing chamber to further improve the disturbance and the turbulent flow of water, make gas and water more abundant mixture, guarantee that water more fully evenly dissolves in aquatic, and then guarantee when micro-nano bubble water preparation facilities has great flow, also can make the micro-nano bubble water that bubble concentration is higher steadily.

According to the water outlet device, the micro-nano bubble water preparation device is arranged, so that micro-nano bubble water with a good effect can be continuously and stably supplied.

Drawings

Fig. 1 is a schematic structural diagram of a first water heater according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a second water heater according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a micro-nano bubble water preparation device provided in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a water heater according to a second embodiment of the present invention.

In the figure:

101-a housing; 102-a heating module; 103-a water inlet pipe; 104-a gas pipe; 105-a water outlet pipe; 106-micro nano bubble water preparation device;

1-tank body; 11-a gas-liquid mixing chamber; 111-an upper mixing chamber; 112-lower mixing chamber; 12-an air intake chamber;

2-a water inlet channel; 21-water inlet section; 22-an acceleration section; 23-a flow guide section; 24-a jet orifice;

3-an intake passage;

4-gas-liquid mixer; 41-a turbulent flow hole;

51-a drainage port; 52-a drainage tube;

6-buffering the ribs; 61-a bleed port;

71-a one-way valve; 72-a booster pump; 73-an air pump;

8-a bubble releasing mechanism; 81-a bubble releasing channel; 811-transition; 812-a connectivity section; 82-a bubble releasing cavity; 83-releasing bubble tablet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, 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.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

The embodiment provides a micro-nano bubble water preparation facilities 106 and water supply equipment, and water supply equipment includes micro-nano bubble water preparation facilities 106. Alternatively, the water supply device may be a water heater, a water purifier, or the like. In the present embodiment, a water supply device is described as an example of a gas water heater. As shown in fig. 1 and 2, the water heater includes a housing 101, a heating module 102, a water inlet pipe 103, a gas pipe 104, a water outlet pipe 105, and a micro-nano bubble water preparing device 106. Heating module 102 sets up in casing 101, inlet tube 103 and heating module 102 intercommunication to let in the raw water to heating module 102, gas pipe 104 is used for letting in the gas to heating module 102, with the raw water heating after heating module 102 burning gas, outlet pipe 105 intercommunication heating module 102 and water spot, micro-nano bubble water preparation facilities 106 sets up on outlet pipe 105, thereby the water spot can use micro-nano bubble water.

In one embodiment, as shown in fig. 1, the micro-nano bubble water preparing device 106 is disposed inside the shell 101 of the water heater. In another embodiment, as shown in fig. 2, the micro-nano bubble water preparing device 106 may also be disposed outside the water heater, and may be disposed according to actual requirements, which is not limited herein.

Preferably, as shown in fig. 1 and 3, the micro-nano bubble water preparing device 106 includes a tank 1, a water inlet channel 2, a gas inlet channel 3 and a bubble releasing mechanism 8, a gas-liquid mixing chamber 11 is configured on the tank 1, the water inlet channel 2 is used for introducing water into the gas-liquid mixing chamber 11, the gas inlet channel 3 is used for introducing gas into the gas-liquid mixing chamber 11, and the gas-liquid mixing chamber 11 is in a positive pressure state, so that the gas and the water are fully mixed and dissolved in the water. The bubble releasing mechanism 8 is communicated with the gas-liquid mixing cavity 11, the pressure of the gas-water mixed liquid formed in the gas-liquid mixing cavity 11 is suddenly released after the gas-water mixed liquid enters the bubble releasing mechanism 8, and the gas dissolved in the water is suddenly polymerized to form micro-nano bubble water.

As shown in fig. 1 and fig. 2, the micro-nano bubble water preparing apparatus 106 further includes a booster pump 72, and the booster pump 72 is configured to pump water into the water inlet channel 2, so as to continuously prepare micro-nano bubble water. Preferably, in the present embodiment, the water heater is a zero-cold water heater, and the difference between the zero-cold water heater and a common water heater is that a booster pump is further disposed on the water outlet pipe 105, and the booster pump can convey cold water staying in the water outlet pipe 105 back to the heating module 102 for reheating, so that hot water can be directly discharged from the water using port. In this embodiment, when being applied to the micro-nano bubble water preparation device 106 in the zero-cold water heater, the booster pump that realizes the zero-cold water function of the water heater and the booster pump 72 in the micro-nano bubble water preparation device 106 can share one pump, and not only can continuously provide micro-nano bubble water, but also reduce the number of the added pumps, thereby reducing the cost of the water heater.

Preferably, as shown in fig. 3, the tank body 1 is further configured with an air inlet chamber 12 located above the air-liquid mixing chamber 11, a drainage port 51 is arranged right above the air-liquid mixing chamber 11, the air inlet chamber 12 is communicated with the air-liquid mixing chamber 11 through the drainage port 51, the air inlet channel 3 is communicated with the air inlet chamber 12, the water inlet channel 2 extends into the air inlet chamber 12, an outlet of the water inlet channel 2 is a jet port 24, the jet port 24 is opposite to the drainage port 51, and a gap for air to pass through is formed between the jet port 24 and the drainage port 51.

When the booster pump 72 feeds water into the water inlet passage 2, the water is discharged from the jet port 24 at a constant speed and flows into the drain port 51. First aspect, because there is the clearance that the gas passes through between efflux mouth 24 and the drainage mouth 51, so when the rivers that have certain speed flow in the drainage mouth 51, can drive some gas in the intake chamber 12 and enter into in the drainage mouth 51 along with the rivers together, then the internal gas of intake chamber 12 reduces and forms the negative pressure state this moment, so the external gas can enter into the intake chamber 12 through inlet channel 3 automatically in, make water and gas homoenergetic continuously enter into gas-liquid mixing chamber 11 through the drainage mouth 51 in, make micro-nano bubble water preparation facilities 106 can carry out continuous manufacturing micro-nano bubble water. In the second aspect, the present embodiment realizes that the gas inlet passage 3 is located at a downstream position of the booster pump 72, that is, externally introduced gas does not enter the interior of the booster pump 72, so that vibration and noise during operation of the booster pump 72 can be reduced, and the service life of the booster pump 72 can be prolonged. In the third aspect, the air inlet cavity 12 and the air-liquid mixing cavity 11 are both constructed on the tank body 1, so that the whole micro-nano bubble water structure is more compact.

It is understood that, at the initial stage of introducing the gas and the water into the gas-liquid mixing chamber 11, by making the amount of the gas/water introduced into the gas-liquid mixing chamber 11 larger than the amount of the discharged gas, a positive pressure environment can be created in the gas-liquid mixing chamber 11. When the positive pressure value in the gas-liquid mixing chamber 11 reaches the preset value, the pressure in the gas-liquid mixing chamber 11 can be maintained at the preset value by making the gas/water introduction amount in the gas-liquid mixing chamber 11 equal to the discharge amount.

Preferably, as shown in fig. 3, the water inlet channel 2 includes a water inlet section 21 and an acceleration section 22 located below the water inlet section 21, the flow area of the acceleration section 22 is smaller than that of the water inlet section 21, and the outlet of the acceleration section 22 is a jet opening 24. By setting the flow area of the acceleration section 22 smaller than that of the water inlet section 21, the velocity of the water injected from the jet ports 24 can be increased. On one hand, the high-speed water flow is more convenient for bringing the gas in the gas inlet cavity 12 into the gas-liquid mixing cavity 11; on the other hand, after the water flow enters the gas-liquid mixing chamber 11 at a high speed, the water flow is convenient to generate a large impact force on the structure in the gas-liquid mixing chamber 11, and is further convenient to be better mixed with the gas in the gas-liquid mixing chamber 11.

Preferably, in this embodiment, as shown in fig. 3, a flow guiding section 23 is further disposed between the water inlet section 21 and the accelerating section 22, and a flow area of the flow guiding section 23 is gradually reduced along the water flow direction. The arrangement of the flow guide section 23 enables the change of the flow area of the whole water inlet channel 2 to be more gradual, thereby ensuring the smoothness of water flow. Preferably, the water inlet section 21 is located directly above the jet orifice 24, that is, the whole water inlet channel 2 is vertically arranged, so that the resistance of the water inlet channel 2 to water can be reduced, and the water can be sprayed out from the jet orifice 24 at a higher speed.

Preferably, the diameter of the drainage port 51 is larger than that of the jet port 24, so as to provide a space for the gas in the gas inlet chamber 12 to enter the drainage port 51, and ensure that the high-speed water flow can drive the gas in the gas inlet chamber 12 to enter the gas-liquid mixing chamber 11 synchronously. Preferably, the diameter of the drainage port 51 is 1 to 3 times the diameter of the jet port 24. More preferably, the diameter of the drainage opening 51 is 1.5 to 2.5 times the diameter of the jet opening 24.

Because the gas-liquid mixing chamber 11 is in a positive pressure environment, and the air inlet chamber 12 is in a negative pressure environment, it is necessary to ensure that the gas-liquid mixing chamber 11 and the air inlet chamber 12 have a good isolation effect. Preferably, as shown in fig. 3, a draft tube 52 is disposed below the drainage port 51, and the length of the draft tube 52 is 2-5 times the inner diameter of the draft tube 52. By arranging the draft tube 52 and setting the length and the inner diameter of the draft tube 52 within the above range, an isolation region with enough length can be formed, and a good isolation effect between the gas-liquid mixing chamber 11 and the gas inlet chamber 12 is ensured; and the too large resistance to the water flow caused by the too long draft tube 52 is avoided, the too much water kinetic energy is consumed, and the water flow can enter the gas-liquid mixing cavity 11 at a higher speed, so that the water flow can be better mixed with the gas in the gas-liquid mixing cavity 11. Preferably, in the present embodiment, the draft tube 52 is located right above the gas-liquid mixing chamber 11 and is disposed in the vertical direction, so that the resistance of the draft tube 52 to the water flow can be further reduced.

Further, as shown in fig. 3, the distance between the jet orifice 24 and the drainage orifice 51 is-5 mm to 5mm in the vertical downward direction. It should be noted that, when the distance between the jet port 24 and the drain port 51 is negative, it means that the lower end of the air intake passage 3 extends into the drain pipe 52. Whether the lower end of the air inlet channel 3 extends into the draft tube 52 or not, it is only required to ensure that a certain gap is formed between the water flow ejected from the jet opening 24 and the side wall of the draft tube 52 so that the air in the air inlet chamber 12 can enter the air-liquid mixing chamber 11 along with the water flow. Further, the distance between the jet orifice 24 and the drainage orifice 51 is-2 mm to 3 mm.

Preferably, as shown in fig. 1, the micro-nano bubble water preparing apparatus 106 further includes an air pump 73 disposed on the air inlet channel 3, and the air pump 73 is configured to pump air into the air inlet channel 3. In one aspect, an air pump 73 may be used to assist in pumping air into the intake chamber 12. On the other hand, the air pump 73 may be used to pressurize the gas-liquid mixing chamber 11. It should be noted that, when the air pump 73 is operated, the inside of the intake chamber 12 is not in a negative pressure state.

Further, the micro-nano bubble water preparing device 106 further comprises a one-way valve 71 arranged on the air inlet channel 3, the one-way valve 71 is arranged on the air inlet channel 3 and located between the air pump 73 and the air inlet cavity 12, and when the pressure in the air inlet cavity 12 is negative, the one-way valve 71 is opened, so that external air can smoothly enter the air inlet cavity 12. In addition, when the water in the gas-liquid mixing chamber 11 flows out smoothly and flows back in the reverse direction, the check valve 71 prevents the liquid flowing back from flowing into the air pump 73 through the air inlet passage 3, and the air pump 73 is prevented from being damaged. Preferably, the check valve 71 is preferably a low resistance diaphragm check valve, so that the energy required to open the check valve 71 can be reduced, and the automatic air intake effect of the air intake chamber 12 can be maximized.

Preferably, as shown in fig. 3, a cushion rib 6 is provided in the intake chamber 12, and the opening of the intake passage 3 toward the intake chamber 12 is provided opposite to the cushion rib 6. When the booster pump 72 shuts off the water pressure unloading, the cushion rib 6 can prevent/slow down the liquid in the gas-liquid mixing chamber 11 from flowing back to the intake chamber 12 in the presence of the back pressure, and then overflowing from the intake passage 3. Specifically, in the present embodiment, the buffer rib 6 is disposed around the drainage port 51 and the jet port 24, the buffer rib 6 is provided with a bleed port 61 for communicating the air intake chamber 12 with the drainage port 51, and the bleed port 61 and the opening of the air intake chamber 12 of the air intake channel 3 are staggered. The buffer ribs 6 surround the drainage port 51 in its entirety, so that the backflow water can be prevented from entering the air intake passage 3 better. Preferably, the inner wall of the intake chamber 12 and/or the connecting position of the buffer rib 6 and the inner wall of the intake chamber 12 are smoothly transited. Thereby reducing the resistance of the gas to flow through the entire process in which the gas inlet chamber 12 bypasses the bumper rib 6 and finally enters the vent 51.

Preferably, as shown in fig. 3, the micro-nano bubble water preparing apparatus 106 further includes a gas-liquid mixer 4, the gas-liquid mixer 4 is disposed in the gas-liquid mixing chamber 11 and divides the gas-liquid mixing chamber 11 into an upper mixing chamber 111 and a lower mixing chamber 112, a turbulent flow hole 41 communicating the upper mixing chamber 111 and the lower mixing chamber 112 is disposed on the gas-liquid mixer 4, and a tapered space with a wide upper end and a narrow lower end is defined by the gas-liquid mixer 4.

After water is introduced into the water inlet passage 2, when water and gas enter the gas-liquid mixing chamber 11 from the drainage tube 52, the water and gas enter the upper mixing chamber 111 first, and then enter the lower mixing chamber 112 through the turbulence hole 41 on the gas-liquid mixer 4, and the gas-liquid mixing chamber 11 is in a positive pressure environment, so that the gas can be dissolved in the water. The gas-liquid mixer 4 is surrounded to form a conical space with a wide upper part and a narrow lower part, on one hand, in the process of falling under water, water can fully collide with the side wall of the upper side of the gas-liquid mixer 4 and stay in the conical space to roll, so that sufficient disturbed turbulence is formed; on the other hand, under the guiding action of the lower side wall of the gas-liquid mixer 4, the water in the lower mixing chamber 112 can more conveniently reversely flow back to the upper mixing chamber 111 through the turbulent flow holes 41, so as to further improve the disturbance and turbulence of the water, further enable the gas and the water to be more fully mixed, ensure that the water is more fully and uniformly dissolved in the water, and further ensure that the micro-nano bubble water with higher bubble concentration can be stably prepared when the micro-nano bubble water preparation device 106 has a larger flow.

Preferably, when the micro-nano bubble water preparation device 106 is adopted, the water surface height in the gas-liquid mixing chamber 11 can be controlled to be located at the position of the gas-liquid mixing chamber 11 along the vertical direction 1/3-2/3, and at the moment, water in the gas-liquid mixing chamber 11 can generate a better turbulent flow effect, so that the mixing effect of the gas and the water is improved.

Alternatively, in this embodiment, the gas-liquid mixer 4 may be fixedly connected to the inner wall of the gas-liquid mixing chamber 11 by any one of fastening, welding, and bonding. The specific connection mode can be selected by combining the materials of the tank body 1 and the gas-liquid mixer 4.

Preferably, as shown in fig. 3, the spoiler holes 41 are disposed obliquely upward in a direction directed from the upper mixing chamber 111 to the lower mixing chamber 112. The oblique and upward turbulence holes 41 enable water to have upward speed when entering the lower mixing cavity 112 from the upper mixing cavity 111, so that the water in the lower mixing cavity 112 also generates strong turbulence and turbulence, the uniformity of mixing of gas and water is further improved, and a better bubble making effect is further ensured.

Preferably, as shown in fig. 3, the distance between the upper end of the gas-liquid mixer 4 and the drainage port 51 is 30cm to 50cm in the vertical direction. Under the action of gravity, the speed of water is increased continuously before the water enters the gas-liquid mixing cavity 11 from the drainage port 51 and impacts the gas-liquid mixing cavity 11, the distance between the gas-liquid mixer 4 and the drainage port 51 is set to be larger than 30mm, so that the water has enough speed when impacting the gas-liquid mixer 4, sufficient turbulence and disturbance are generated, and the mixing effect of the water and the gas is improved. The distance between the gas-liquid mixer 4 and the drainage port 51 is set to be less than 50mm, so that the volume of the whole micro-nano bubble water preparation device 106 is prevented from being too large.

Preferably, as shown in fig. 3, the micro-nano bubble water preparing device 106 further includes a bubble releasing mechanism 8, the bubble releasing mechanism 8 is communicated with the gas-liquid mixing chamber 11, and the pressure in the bubble releasing mechanism 8 is smaller than the pressure in the gas-liquid mixing chamber 11. When the gas-water mixed liquid from the gas-liquid mixing cavity 11 suddenly enters the pressing foam releasing mechanism 8 from a high-pressure environment, the gas dissolved in water suddenly polymerizes, so that the milk-shaped micro-nano bubble water is formed.

Specifically, as shown in fig. 3, the bubble releasing mechanism 8 includes a bubble releasing passage 81 and a bubble releasing cavity 82, the bubble releasing passage 81 communicates with the gas-liquid mixing cavity 11 and the bubble releasing cavity 82, a bubble releasing piece 83 is disposed in the bubble releasing cavity 82, and the bubble releasing piece 83 is used for cutting and mixing the liquid from the gas-liquid mixing cavity 11. The gas-water mixed liquid enters the bubble releasing cavity 82 through the bubble releasing channel 81, and can fully generate micro bubbles under the cutting action of the bubble releasing sheet 83. Optionally, the foam releasing sheet 83 may be made of a porous stainless steel wire mesh with a mesh size of 50-800, and the microporous structure of the foam releasing sheet can fully cut liquid so as to better produce micro-bubble water.

Preferably, as shown in fig. 3, the bubble releasing passage 81 includes a transition section 811 and a communication section 812, two ends of the transition section 811 are respectively communicated with the gas-liquid mixing chamber 11 and one end of the communication section 812, the other end of the communication section 812 is communicated with the bubble releasing chamber 82, and the flow area of the transition section 811 gradually decreases from the gas-liquid mixing chamber 11 to the communication section 812. Gradual change section 811's setting can guarantee that gas, water mixing solution can enter into more smoothly and release in the bubble passageway 81, and intercommunication section 812 sets up to less flow area and then guarantees that gas, water mixing solution can enter into the low pressure environment from high pressure environment suddenly, more is favorable to the production of micro-nano bubble.

Preferably, in this embodiment, the bubble releasing mechanism 8 is disposed under the gas-liquid mixing chamber 11 and integrally formed with the tank 1, so that the overall structure of the micro-nano bubble water preparing apparatus 106 is more compact. Optionally, a threaded portion is provided on the outer wall of the bubble releasing mechanism 8 at one end of the bubble releasing chamber 82, so that the bubble releasing mechanism 8 is communicated with the water pipe at the water using point through the threaded portion.

Example two

The embodiment provides a micro-nano bubble water preparation device 106 and water supply equipment. The water supply equipment comprises a micro-nano bubble water preparation device 106. The general structure and the working principle of the water supply equipment in this embodiment are basically the same as those in the first embodiment, and the same parts are not described herein again, but the difference mainly lies in the connection mode of the bubble releasing mechanism 8 and the tank 1:

as shown in fig. 4, in this embodiment, the bubble releasing mechanism 8 of the micro-nano bubble water preparing apparatus 106 and the tank 1 are in a split structure, that is, the gas-liquid mixing chamber 11 is connected to the bubble releasing mechanism 8 through a pipeline. In the arrangement mode, the position of the bubble releaser can be flexibly arranged to meet different use requirements. Specifically, in the present embodiment, the bubble releasing mechanism 8 is disposed outside the housing 101, and in the present embodiment, both ends of the bubble releasing mechanism 8 are provided with threaded portions, so as to facilitate connection of the bubble releasing mechanism 8 with the upstream pipeline and the downstream pipeline. Of course, in other embodiments, the connection manner of the bubble releasing mechanism 8 and the upstream pipeline and the downstream pipeline is not limited to the threaded connection, and other connection manners are also possible, which are not limited herein.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the utility model and are not intended to limit the embodiments of the present invention, and that the technical spirit of the present invention may be changed by those skilled in the art in the aspects of the specific embodiments and the application scope, and the content of the present specification should not be construed as limiting the utility model. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (18)

1. The utility model provides a micro-nano bubble water preparation facilities which characterized in that includes:

the tank body (1) is provided with a gas-liquid mixing cavity (11), and a preset positive pressure is arranged in the gas-liquid mixing cavity (11);

the water inlet channel (2) and the gas inlet channel (3) are respectively used for introducing water and gas into the gas-liquid mixing cavity (11) from the upper part of the gas-liquid mixing cavity (11);

the gas-liquid mixer (4) is arranged in the gas-liquid mixing cavity (11) and is used for dividing the gas-liquid mixing cavity (11) into an upper mixing cavity (111) and a lower mixing cavity (112), the gas-liquid mixer (4) is provided with a communicating part, the upper mixing cavity (111) and a turbulent flow hole (41) of the lower mixing cavity (112) are formed in the gas-liquid mixer (4), and a conical space with a wide upper end and a narrow lower end is defined in the gas-liquid mixer (4).

2. The micro-nano bubble water preparing apparatus according to claim 1, wherein the baffle hole (41) is disposed obliquely upward in a direction from the upper mixing chamber (111) to the lower mixing chamber (112).

3. The micro-nano bubble water preparation device according to claim 1, wherein a drainage port (51) is arranged above the gas-liquid mixing chamber (11), the drainage port (51) is used for introducing water and gas, and the distance between the upper end of the gas-liquid mixer (4) and the drainage port (51) is 30-50 cm along the vertical direction.

4. The micro-nano bubble water preparation device according to any one of claims 1 to 3, wherein the tank body (1) is further configured with an air inlet chamber (12) located above the air-liquid mixing chamber (11), the air inlet chamber (12) is communicated with the air-liquid mixing chamber (11) through a drainage port (51) arranged right above the air-liquid mixing chamber (11), the air inlet channel (3) is communicated with the air inlet chamber (12), the outlet of the water inlet channel (2) is a jet port (24), the jet port (24) is arranged opposite to the drainage port (51), and a gap for air to pass through is formed between the jet port (24) and the drainage port (51).

5. The micro-nano bubble water preparing device according to claim 4, wherein the distance between the jet orifice (24) and the drainage orifice (51) is-5 mm to 5mm in a vertical downward direction.

6. The micro-nano bubble water preparing device according to claim 4, wherein a drainage tube (52) is arranged below the drainage port (51), and the length of the drainage tube (52) is 2-5 times of the inner diameter of the drainage tube (52).

7. The micro-nano bubble water preparation device according to claim 4, wherein the water inlet channel (2) comprises a water inlet section (21) and an acceleration section (22) located below the water inlet section (21), the flow area of the acceleration section (22) is smaller than that of the water inlet section (21), and the outlet of the acceleration section (22) is the jet orifice (24).

8. The micro-nano bubble water preparing device according to claim 4, wherein the diameter of the drainage port (51) is larger than that of the jet port (24).

9. The micro-nano bubble water preparing device according to claim 4, wherein a buffering rib (6) is arranged in the air inlet cavity (12), and an opening of the air inlet channel (3) facing the air inlet cavity (12) is opposite to the buffering rib (6).

10. The micro-nano bubble water preparing device according to claim 9, wherein the buffer rib (6) is disposed around the flow guide opening (51) and the jet opening (24), a bleed opening (61) communicating the air inlet chamber (12) with the flow guide opening (51) is disposed on the buffer rib (6), and the bleed opening (61) and the air inlet channel (3) are disposed in a staggered manner toward an opening of the air inlet chamber (12).

11. The micro-nano bubble water preparing device according to claim 9, wherein the inner wall of the air inlet cavity (12) and/or the connection position of the buffer rib (6) and the inner wall of the air inlet cavity (12) is in a smooth transition.

12. The micro-nano bubble water preparation device according to claim 4, further comprising an air pump (73) arranged on the air inlet channel (3), wherein the air pump (73) is used for pumping air into the air inlet channel (3).

13. The micro-nano bubble water preparation device according to claim 12, further comprising a one-way valve (71), wherein the one-way valve (71) is disposed on the air inlet channel (3) and located between the air pump (73) and the air inlet cavity (12), and when the pressure in the air inlet cavity (12) is negative, the one-way valve (71) is opened.

14. The micro-nano bubble water preparation device according to any one of claims 1 to 3, further comprising a bubble releasing mechanism (8), wherein the bubble releasing mechanism (8) is communicated with the gas-liquid mixing chamber (11), and the pressure in the bubble releasing mechanism (8) is smaller than the pressure in the gas-liquid mixing chamber (11).

15. The micro-nano bubble water preparation device according to claim 14, wherein the bubble releasing mechanism (8) comprises a bubble releasing channel (81) and a bubble releasing cavity (82), the bubble releasing channel (81) is communicated with the gas-liquid mixing cavity (11) and the bubble releasing cavity (82), a bubble releasing sheet (83) is arranged in the bubble releasing cavity (82), and the bubble releasing sheet (83) is used for cutting and mixing the liquid from the gas-liquid mixing cavity (11).

16. The micro-nano bubble water preparation device according to claim 15, wherein the bubble releasing channel (81) comprises a gradual change section (811) and a communicating section (812), two ends of the gradual change section (811) are respectively communicated with the gas-liquid mixing chamber (11) and one end of the communicating section (812), the other end of the communicating section (812) is communicated with the bubble releasing chamber (82), and the flow area of the gradual change section (811) is gradually reduced from the gas-liquid mixing chamber (11) to the direction of the communicating section (812).

17. The micro-nano bubble water preparing device according to any one of claims 1 to 3, further comprising an additional pump (72), wherein the additional pump (72) is used for pumping water into the air inlet channel (3).

18. A water supply device, characterized by comprising the micro-nano bubble water preparation device of any one of claims 1 to 17.

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