CN112957936A - Novel micro-nano bubble takes place device - Google Patents
Novel micro-nano bubble takes place device Download PDFInfo
- Publication number
- CN112957936A CN112957936A CN202110425189.9A CN202110425189A CN112957936A CN 112957936 A CN112957936 A CN 112957936A CN 202110425189 A CN202110425189 A CN 202110425189A CN 112957936 A CN112957936 A CN 112957936A
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- pipe
- nano bubble
- micro
- tube
- generating device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
- B01F23/23126—Diffusers characterised by the shape of the diffuser element
- B01F23/231265—Diffusers characterised by the shape of the diffuser element being tubes, tubular elements, cylindrical elements or set of tubes
Abstract
The invention relates to a novel micro-nano bubble generating device which comprises a micro-nano bubble water making part, wherein the micro-nano bubble water making part comprises an outer pipe and an inner pipe, the outer pipe and the inner pipe are hollow pipes, the inner pipe is positioned in a cavity of the outer pipe, the maximum outer diameter of the inner pipe is smaller than the minimum inner diameter of the outer pipe, the inner pipe is a nuclear pore membrane pipe, one end and/or two ends of the inner pipe are/is provided with an air inlet, one side of the air inlet is provided with an air source part, an air outlet of the air source part is connected with the inner pipe, the outer pipe is provided with a high-pressure water inlet and a water outlet, and the. On using the micro-nano bubble generating device with nuclear track membrane pipe, the gas outside the outflow pipe forms micro-nano bubble to separate from the pipe wall, the bubble is taken away to the shear flow that the outside of tubes high-speed flowed through, forms the gas-liquid mixture flow, and the diameter of the micro-nano bubble of production is little, and the quantity of the micro-nano bubble in the unit volume is many, and oxygen utilization efficiency is high, has reduced the energy consumption, has improved scrubbing efficiency.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a novel micro-nano bubble generating device.
Background
Generally, bubbles having a diameter of 10 to several tens of micrometers are called "micro bubbles", bubbles having a diameter of several hundreds of nanometers or less are called "nano bubbles", and bubbles having a diameter between the two are called "micro-nano bubbles". Compared with the traditional high-pressure dissolving and pressure reducing foaming mode, the micro-nano bubble generating device has the advantages of small bubble size, large surface area, high adsorption efficiency, slow ascending speed in water and long retention time in water, and is widely applied to the fields of water treatment and aquaculture.
The existing method for preparing micro-nano bubbles mainly comprises the following steps: ultrasonic method, pressurized dissolution method, electrolytic method, gas-liquid rotary cutting method, etc. However, the diameters and the number of the micro-nano bubbles prepared by the methods are limited to a certain extent, the oxygen utilization rate is relatively low, and the energy consumption is high. In this respect, the existing micro-nano generating device can not meet the market demand.
Disclosure of Invention
The invention provides a novel micro-nano bubble generating device, which effectively solves the technical problems of large bubble diameter, small number of bubbles in unit volume, low oxygen utilization rate, high energy consumption and the like of the conventional micro-nano bubble generating device.
The invention provides a novel micro-nano bubble generating device which comprises a micro-nano bubble water making part, wherein the micro-nano bubble water making part comprises an outer pipe and an inner pipe, the outer pipe and the inner pipe are hollow pipes, the inner pipe is positioned in a cavity of the outer pipe, the maximum outer diameter of the inner pipe is smaller than the minimum inner diameter of the outer pipe, the inner pipe is a nuclear pore membrane pipe, one end and/or two ends of the inner pipe are/is provided with an air inlet, one side of the air inlet is provided with an air source part, an air outlet of the air source part is connected with the inner pipe, the outer pipe is provided with a high-pressure water inlet and a water outlet, and the high.
Preferably, the outer wall of the inner pipe is not in contact with the inner wall of the outer pipe, namely, the inner pipe is suspended in the cavity of the outer pipe.
Preferably, the inner pipe and the outer pipe are coaxially arranged, and the cross sections of the inner pipe and the outer pipe are circular.
Preferably, the number of the inner pipes is more than two.
Preferably, a gap is formed between the inner pipes, and a gap is formed between the outer walls of the inner pipes and the inner wall of the outer pipe.
Preferably, the inner tube comprises a support layer and a nuclear pore membrane layer, the nuclear pore membrane layer is compounded on the support layer in a hot-pressing mode, and pore channels are uniformly distributed on the nuclear pore membrane layer.
Preferably, the thickness of the nuclear pore membrane layer is 5-150 microns; the diameter of the pore canal is 0.01-40 microns; pore density of 1X 104Per square centimeter-5 x 109Per square centimeter.
Preferably, the outer pipe is a PVC pipe or a metal pipe.
Preferably, the high-pressure water inlet assembly comprises a water inlet pipe, a first fixed valve and a pressurizing water inlet pump, wherein the water inlet end of the water inlet pipe is connected with the pressurizing water inlet pump, the water outlet end of the water inlet pipe is connected with the high-pressure water inlet of the outer pipe, and the first fixed valve is fixedly connected with the water inlet pipe and the outer pipe.
Preferably, the water outlet is provided with a water outlet pipe and a second fixed valve, the second fixed valve fixedly connects the water outlet pipe with the outer pipe, and the water outlet end of the water outlet is connected with a water pool or a water tank.
The invention provides a novel micro-nano bubble generating device, wherein a nuclear pore membrane tube is applied to the micro-nano bubble generating device, the diameter of generated micro-nano bubbles is small, the number of micro-nano bubbles in unit volume is large, the oxygen utilization efficiency is high, the energy consumption is reduced, and the decontamination efficiency is improved.
According to the invention, the inner tube is inflated through the micro-nano bubble water making part, water is fed between the outer wall of the inner tube and the inner part of the outer tube through the high-pressure water feeding assembly to form a gas-liquid mixture, and the inner tube adopts the nuclear pore membrane tube, so that micro-nano bubbles with small diameters and a large number of micro-nano bubbles can be generated in the gas-liquid mixing process by utilizing the characteristics of uniform pore diameter, high density and the like of the nuclear pore membrane. The inner tube admits air, and nuclear pore membrane pipe surface produces the microbubble, and the inner tube is intake with the outer tube high pressure, and the liquid that flows through at intraductal high speed in time takes away the microbubble that nuclear pore membrane pipe surface formed, mixes from the delivery port and flows out, forms micro-nano bubble water. The device utilizes the comprehensive action of surface tension, buoyancy and inertia force, gas flowing out of the pipe forms micro-nano bubbles and is separated from the pipe wall, and the bubbles are taken away by shear flow flowing out of the pipe at high speed to form gas-liquid mixed flow.
The air inlet can set up the one end or both ends at the inner tube as required, and air inlet and high-pressure water inlet set up under the condition of different ends, and the shear flow that the outside of tubes high-speed flows through is the biggest, can separate micro-nano bubble from the pipe wall fast, and the effect is best. The inner tube is not contacted with the outer tube, so that the maximum bubbles generated by the inner tube can be ensured, liquid and gas are uniformly mixed, the number of micro-nano bubbles generated in unit volume is large, and the size of the bubbles is uniform; the inner tube sets up more than two, can set up according to the application environment, satisfies the treatment in large area waters, and sewage purification is efficient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the cross-sectional structure of the nuclear track membrane tube of the present invention.
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 some, not all, embodiments of the present invention. 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.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, if any, are used in the orientations and positional relationships indicated in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationships in the drawings are used for illustrative purposes only and are not to be construed as limiting the present patent.
Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.
Detailed description of the preferred embodiment
As shown in the attached drawings 1-2, the invention provides a novel micro-nano bubble generating device, which comprises a micro-nano bubble water making part 1, wherein the micro-nano bubble water making part comprises an outer pipe 11 and an inner pipe 12, the outer pipe and the inner pipe are both hollow pipes, the inner pipe is positioned in a cavity of the outer pipe, the maximum outer diameter of the inner pipe is smaller than the minimum inner diameter of the outer pipe, namely a gap for facilitating liquid to pass through is reserved between the outer pipe and the inner pipe, the inner pipe is a nuclear pore membrane pipe, one end and/or two ends of the inner pipe are/is provided with an air inlet 13, namely the air inlet can be arranged at one end of the inner pipe or both ends of the inner pipe, the specific arrangement mode can be set according to an application scene, one side of the air inlet is provided with an air source part 6, the air outlet of the air source part is connected with the inner pipe, the high-pressure water inlet 14 and the water outlet 15 are formed in the outer pipe, the high-pressure water inlet is provided with the high-pressure water inlet assembly 2, the directions of the water inlet and the water outlet can be multi-angle and opposite, and the high-pressure water inlet assembly can be adjusted according to product requirements. In this embodiment, the preferable scheme is that the air inlet and the water inlet are respectively located at two ends of the micro-nano bubble water making part.
The fan is started, the outer surface of the nuclear pore membrane tube generates micro-nano bubbles, the high-pressure water inlet assembly is opened, high-pressure water flows into the inner tube, the micro-nano bubbles formed on the surface of the inner tube are taken away in time by liquid flowing through the inner tube at a high speed, and the liquid flows out from the water outlet in a mixed mode to form micro-nano bubble water.
Foretell high pressure subassembly 2 of intaking includes inlet tube 21, a standing valve 22 and pressure boost intake pump 23, the end of intaking of inlet tube be connected with the pressure boost intake pump, the pressure boost intake pump can satisfy the water pump of certain velocity of flow can, for example, the tubing pump, self priming pump, booster pump, diaphragm pump, immersible pump etc.. The water outlet end of the water inlet pipe is connected with the high-pressure water inlet of the outer pipe, and the first fixed valve fixedly connects the water inlet pipe with the outer pipe. The booster water inlet pump is provided with an adjusting valve, and the water inlet pressure value can be adjusted according to the gas-liquid ratio. This device still includes outlet pipe 3 and two 4 fixed valves, two fixed valves with outlet pipe and outer tube fixed connection, the play water end and the pond or the water tank 5 of delivery port be connected, novel micro-nano bubble generating device can be the direct bubble of delivery port in pond or water tank, also can be that whole device arranges in pond or water tank.
The nuclear pore membrane tube is a tubular membrane, the inner tube 12, namely the tubular nuclear pore membrane tube, comprises a support layer 121 and a nuclear pore membrane layer 122, the nuclear pore membrane layer is compounded on the support layer in a hot-pressing mode, the nuclear pore membrane layer is arranged in and/or outside the support layer, namely the nuclear pore membrane layer can be arranged on the inner side or the outer side or both the inner side and the outer side of the support layer and can be determined according to the needs of products, and pore channels are uniformly distributed on the nuclear pore membrane layer. The thickness of the nuclear pore membrane layer is 5-150 microns; the pore diameter is 0.01-40 microns; pore density of 1X 104Per square centimeter-5 x 109The membrane layer is made of one of PET, PC, PP, PVDF, PTFE or PI, the supporting layer is non-woven fabric made of PP, PET or PE, and the outer tube is PVC tube or metal tube. The outer wall of the inner pipe is not contacted with the inner wall of the outer pipe, namely, the inner pipe is suspended in the cavity of the outer pipe, the inner pipe and the outer pipe are coaxially arranged, and the cross sections of the inner pipe and the outer pipe are circular. There is the space between inner tube outer wall and the outer tube inner wall, can guarantee that rivers flow through fast, and rivers apply the shearing force to the bubble of inner tube outer wall, can in time take away the bubble that the inner tube produced, form the gas-liquid mixture and flow.
Detailed description of the invention
The difference is the difference of inner tube radical with embodiment one, in this embodiment, the inner tube is more than two, and the quantity of inner tube can be confirmed according to actual need, and the radical is more, and tolerance is big more, and each inner tube is the series connection row and puts, and has the space between each inner tube, inner tube outer wall and outer tube inner wall between have the space, in this embodiment, preferred, equidistance parallel arrangement between the inner tube, interval more than or equal to 10 millimeters between two adjacent inner tubes keeps certain interval between two inner tubes, keeps certain interval between inner tube and the outer tube, the micro-nano bubble of output that can be better, the inside diameter of pipe of inner tube is more than 5 millimeters, pipe wall thickness more than or equal to 10 microns.
The invention provides a novel micro-nano bubble generating device, wherein a nuclear pore membrane tube is applied to the micro-nano bubble generating device, the diameter of generated micro-nano bubbles is small, the number of micro-nano bubbles in unit volume is large, the oxygen utilization efficiency is high, the energy consumption is reduced, and the decontamination efficiency is improved.
According to the invention, the inner tube is inflated through the micro-nano bubble water making part, water is fed between the outer wall of the inner tube and the inner part of the outer tube through the high-pressure water feeding assembly to form a gas-liquid mixture, and the inner tube adopts the nuclear pore membrane tube, so that micro-nano bubbles with small diameters and a large number of micro-nano bubbles can be generated in the gas-liquid mixing process by utilizing the characteristics of uniform pore diameter, high density and the like of the nuclear pore membrane. The inner tube admits air, and nuclear pore membrane pipe surface produces the microbubble, and the inner tube is intake with the outer tube high pressure, and the liquid that flows through at intraductal high speed in time takes away the microbubble that nuclear pore membrane pipe surface formed, mixes from the delivery port and flows out, forms micro-nano bubble water. The device utilizes the comprehensive action of surface tension, buoyancy and inertia force, gas flowing out of the pipe forms micro-nano bubbles and is separated from the pipe wall, and the bubbles are taken away by shear flow flowing out of the pipe at high speed to form gas-liquid mixed flow.
The air inlet can set up the one end or both ends at the inner tube as required, and air inlet and high-pressure water inlet set up under the condition of different ends, and the shear flow that the outside of tubes high-speed flows through is the biggest, can separate micro-nano bubble from the pipe wall fast, and the effect is best. The inner tube is not contacted with the outer tube, so that the maximum bubbles generated by the inner tube can be ensured, liquid and gas are uniformly mixed, the number of micro-nano bubbles generated in unit volume is large, and the size of the bubbles is uniform; the inner tube sets up more than two, can set up according to the application environment, satisfies the treatment in large area waters, and sewage purification is efficient.
The micro-nano bubbles generated by the device have many characteristics superior to common bubbles, are widely applied to a water treatment process by virtue of excellent oxygen increasing capacity, good air floatation effect and strong oxidizing property, and have the advantages of small occupied area, small investment, simple and convenient operation, no pollution and the like in the application process. In the field of water treatment, micro-nano bubbles are used for treating organic matters, nitrogen, phosphorus, toxic and harmful substances and the like in water, so that the water quality of a water body is effectively improved.
According to the buoyancy principle, the larger the volume of the bubbles in the liquid, the larger the buoyancy is correspondingly applied, the diameter of the bubbles is increased, the buoyancy applied is increased, and the rising speed is increased. The micro-nano bubbles are small in size, so that the buoyancy force of the micro-nano bubbles in water is far smaller than that of a common ventilating bubble in water, the floating speed of the micro-nano bubbles is slow, the micro-nano bubbles stay in water for a longer time, and the water treatment capacity is stronger.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. 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 (10)
1. The utility model provides a novel micro-nano bubble takes place device which characterized in that: including micro-nano bubble water preparation portion (1), micro-nano bubble water preparation portion include outer tube (11) and inner tube (12), outer tube and inner tube be the hollow tube, the inner tube be located the cavity of outer tube, the maximum external diameter of inner tube be less than the minimum internal diameter of outer tube, the inner tube be nuclear pore membrane pipe, be equipped with air inlet (13) at the one end and/or both ends of inner tube, be equipped with air source part (6) in one side of air inlet, high pressure water inlet (14) and delivery port (15) have been seted up to the gas outlet and the interior union coupling of air source part on the outer tube, high pressure water inlet department is equipped with high pressure water inlet subassembly (2).
2. The novel micro-nano bubble generating device of claim 1, wherein: the outer wall of the inner pipe is not contacted with the inner wall of the outer pipe, namely, the inner pipe is suspended in the cavity of the outer pipe.
3. The novel micro-nano bubble generating device of claim 1, wherein: the inner pipe and the outer pipe are coaxially arranged, and the cross sections of the inner pipe and the outer pipe are circular.
4. The novel micro-nano bubble generating device of claim 1, wherein: the number of the inner pipes is more than two.
5. The novel micro-nano bubble generating device of claim 4, wherein: a gap is arranged between the inner pipes, and a gap is arranged between the outer walls of the inner pipes and the inner wall of the outer pipe.
6. The novel micro-nano bubble generating device of claim 1, wherein: the inner tube (12) comprises a support layer (121) and a nuclear pore membrane layer (122), wherein the nuclear pore membrane layer is compounded on the support layer in a hot-pressing mode, and pore channels are uniformly distributed on the nuclear pore membrane layer.
7. The novel micro-nano bubble generating device of claim 6, wherein: the thickness of the nuclear pore membrane layer is 5-150 microns; the diameter of the pore canal is 0.01-40 microns; pore density of 1X 104Per square centimeter-5 x 109Per square centimeter.
8. The novel micro-nano bubble generating device of claim 1, wherein: the outer pipe is a PVC pipe or a metal pipe.
9. The novel micro-nano bubble generating device of claim 1, wherein: high pressure subassembly (2) of intaking include inlet tube (21), standing valve (22) and pressure boost intake pump (23), the end of intaking of inlet tube be connected with the pressure boost intake pump, the high pressure water inlet of the play water end of inlet tube and outer tube be connected, standing valve one with inlet tube and outer tube fixed connection.
10. The novel micro-nano bubble generating device of claim 1, wherein: the water outlet is provided with a water outlet pipe (3) and a second fixed valve (4), the second fixed valve fixedly connects the water outlet pipe with the outer pipe, and the water outlet end of the water outlet is connected with a water pool or a water tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110425189.9A CN112957936A (en) | 2021-04-20 | 2021-04-20 | Novel micro-nano bubble takes place device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110425189.9A CN112957936A (en) | 2021-04-20 | 2021-04-20 | Novel micro-nano bubble takes place device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112957936A true CN112957936A (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110425189.9A Withdrawn CN112957936A (en) | 2021-04-20 | 2021-04-20 | Novel micro-nano bubble takes place device |
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| Country | Link |
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| CN (1) | CN112957936A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477376A (en) * | 2022-03-10 | 2022-05-13 | 哈尔滨工业大学 | Water treatment device based on ozone nano microbubble core injection nested double hollow fiber membrane process and operation method thereof |
| CN116651247A (en) * | 2023-06-06 | 2023-08-29 | 广州奥科维电子有限公司 | Nanometer bubble jet device and use method thereof |
-
2021
- 2021-04-20 CN CN202110425189.9A patent/CN112957936A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477376A (en) * | 2022-03-10 | 2022-05-13 | 哈尔滨工业大学 | Water treatment device based on ozone nano microbubble core injection nested double hollow fiber membrane process and operation method thereof |
| CN114477376B (en) * | 2022-03-10 | 2023-11-03 | 哈尔滨工业大学 | Water treatment device based on ozone nano-microbubble 'core injection' overlapping type double hollow fiber membrane process and operation method thereof |
| CN116651247A (en) * | 2023-06-06 | 2023-08-29 | 广州奥科维电子有限公司 | Nanometer bubble jet device and use method thereof |
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Application publication date: 20210615 |