CN220703388U - Nanometer bubble system for water treatment - Google Patents
Nanometer bubble system for water treatment Download PDFInfo
- Publication number
- CN220703388U CN220703388U CN202322015711.3U CN202322015711U CN220703388U CN 220703388 U CN220703388 U CN 220703388U CN 202322015711 U CN202322015711 U CN 202322015711U CN 220703388 U CN220703388 U CN 220703388U
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- China
- Prior art keywords
- membrane
- air inlet
- water
- mixing tank
- water treatment
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000002156 mixing Methods 0.000 claims abstract description 33
- 239000012528 membrane Substances 0.000 claims abstract description 31
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 28
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002101 nanobubble Substances 0.000 claims abstract description 18
- 239000011148 porous material Substances 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 18
- 239000010865 sewage Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a nano bubble system for water treatment, which comprises a mixing tank, wherein one end of the mixing tank is provided with a water inlet, the other end of the mixing tank is provided with a water outlet, the top of the mixing tank is provided with an air inlet, a plurality of rows of bubble generators are arranged in the mixing tank at intervals, each bubble generator comprises a membrane plate, an inner air passage is arranged in each membrane plate, an air inlet passage communicated with the inner air passage is arranged at the end of each membrane plate, the air inlet passage is communicated with the air inlet, the outer surface of each membrane plate is coated with a silicon carbide membrane, and membrane holes are formed in the silicon carbide membrane and are communicated with the inner air passages. Ozone is introduced into the silicon carbide film, the ozone is discharged from the film holes by utilizing ultrafine film holes of the silicon carbide film after pressurizing the ozone, air bubbles on the surface of the silicon carbide film are cut and taken away by utilizing water flow in a mixing tank to be mixed with sewage, and then the air bubbles are cut and mixed again by an impeller of a water pump to form ultrafine nano-scale air bubbles.
Description
Technical Field
The utility model belongs to the technical field of water treatment equipment, and particularly relates to a nano bubble system for water treatment.
Background
The sewage treatment is a process for purifying sewage to meet the water quality requirement of being discharged into a certain water body or reused. The water treatment mode has been used for a considerable period of time, and physical methods include using various filter materials with different pore sizes, removing impurities in water by adsorption or blocking, and ozone purifying treatment by introducing ozone into sewage in the conventional water treatment equipment.
The existing method for introducing ozone into sewage mainly comprises the following steps:
(1) The gas-liquid rotational flow type ozone conveying efficiency is 65%, and the equipment running cost is 1m 3 Gas/14 kw.hr;
(2) Jet type: the ozone conveying efficiency is 35%, and the equipment running cost is 1m 3 Gas/16 kw.hr;
(3) Cellular type: the ozone conveying efficiency is 35%, and the equipment running cost is 1m 3 Gas/18 kw.hr; the problems of low ozone conveying efficiency and high equipment operation cost exist in the above modes.
Disclosure of Invention
Based on the problems existing in the background art, the utility model aims to provide an energy-saving and efficient nano bubble system for water treatment.
The utility model aims at completing the technical scheme that the nano bubble system for water treatment comprises a mixing tank, wherein one end of the mixing tank is provided with a water inlet, the other end of the mixing tank is provided with a water outlet, the top of the mixing tank is provided with an air inlet, a plurality of rows of bubble generators are arranged in the mixing tank at intervals, each bubble generator comprises a membrane plate, an inner air passage is arranged in each membrane plate, an air inlet passage communicated with the inner air passage is arranged at the end part of each membrane plate, the air inlet passage is communicated with the air inlet, a silicon carbide membrane is coated on the outer surface of each membrane plate, and membrane holes are formed in the silicon carbide membrane and are communicated with the inner air passages.
Preferably, the water outlet is connected with a water pump.
Preferably, the air inlet is connected with an air pump.
Preferably, the lamina membranacea be flat cuboid structure, inside air flue is equipped with a plurality of and interval arrangement, the tip of lamina membranacea sets up the reposition of redundant personnel passageway, inlet channel and reposition of redundant personnel passageway intercommunication, the reposition of redundant personnel mouth and the inside air flue one-to-one of reposition of redundant personnel passageway.
Preferably, the pore diameter of the membrane pores on the silicon carbide membrane is 40-100nm.
Preferably, the interval between adjacent bubble generators in each row of bubble generators is 4-8cm, and the distance between two adjacent rows of bubble generators is 4-10cm.
A nanobubble generating method of a nanobubble system for water treatment, comprising the steps of:
step one: the water pump sucks in the water outlet end of the mixing tank under negative pressure, and water enters the mixing tank from the water inlet of the mixing tank; step two: ozone gas is introduced into an air inlet of the mixing tank, passes through the nano bubble generator, is discharged from film holes of a silicon carbide film on the nano bubble generator, and forms micro bubbles on the surface of the silicon carbide film;
step three: the water flow flows through the surface of the silicon carbide film and cuts away micro bubbles on the surface of the silicon carbide film;
step four: the micro-bubbles are discharged from the water outlet along with water flow, enter the water pump, and are cut and mixed at high speed through the impeller of the water pump to form nano-scale ultra-fine bubbles.
Preferably, the flow rate of the water in the mixing tank is 1m/s.
Preferably, the pressure difference between the ozone gas in the membrane holes of the silicon carbide membrane and the water in the mixing tank is 1-2kg/cm 2 。
Compared with the prior art, the utility model has at least the following obvious advantages and effects:
1. ozone is introduced into a silicon carbide film, pressurized and discharged from the film holes by utilizing ultrafine film holes of the silicon carbide film, bubbles on the surface of the silicon carbide film are cut and taken away by utilizing water flow in a mixing tank to be mixed with sewage, and then the mixture is cut and mixed again by an impeller of a water pump to form ultrafine nano-scale bubbles.
2. The utility model can also be adapted to any gas to liquid mixing, with a gas transfer efficiency of over 90%. The air quantity required is reduced by 75 percent compared with the conventional superfine bubble aeration, and the running cost of the equipment is only 1m 3 Gas/kw.hr.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic top view of the arrangement of bubble generators in a mixing tank according to the present utility model;
FIG. 3 is a schematic view of the structure of the bubble generator in the present utility model;
FIG. 4 is a schematic diagram of bubble generation by the bubble generator of the present utility model;
FIG. 5 is a schematic diagram showing separation of bubbles from a bubble generator in example 2 of the present utility model;
list of parts in the present utility model
1. A mixing tank; 2. a bubble generator; 3. a water pump; 4. an air pump; 11. a water inlet; 12. a water outlet; 13. an air inlet; 21. a membrane plate; 22. an internal airway; 23. an air intake passage; 24. a shunt channel; 25. a silicon carbide film; 26. and (5) a membrane hole.
Detailed Description
Specific embodiments of the utility model are described in order to teach those skilled in the art how to make and use the best mode of the utility model in conjunction with the accompanying drawings and the following description. The following conventional aspects have been simplified or omitted in order to teach the inventive principles. Those skilled in the art will appreciate variations from these embodiments that fall within the scope of the utility model. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the utility model. The terms such as "upper", "lower", "left", "right", "middle" and "a" and the like are also used herein for descriptive purposes only and are not intended to limit the scope of the utility model for which the utility model may be practiced or for which the relative relationship may be altered or modified without materially altering the technology. Thus, the present utility model is not limited to the specific embodiments described below, but only by the claims and their equivalents.
Example 1
As shown in fig. 1 and 2, this embodiment relates to a nano bubble system for water treatment, which comprises a mixing tank 1, one end of the mixing tank 1 is provided with a water inlet 11, the other end is provided with a water outlet 12, the top is provided with an air inlet 13, a plurality of rows and columns of bubble generators 2 are arranged in the mixing tank 1 at intervals, the bubble generators 2 comprise a membrane plate 21, an inner air passage 22 is arranged in the membrane plate 21, the end part of the membrane plate 21 is provided with an air inlet channel 23 communicated with the inner air passage 22, the air inlet channel 23 is communicated with the air inlet 13, the outer surface of the membrane plate 21 is coated with a silicon carbide film 25, the silicon carbide film 25 is provided with a film hole 26, the film hole 26 is communicated with the inner air passage 23, the sewage is driven to flow at a flow rate of 1m/s in a mode of negative pressure water absorption of a water pump, therefore, the water outlet 12 is connected with the water pump 3, impellers of the water pump 3 can cut mixed bubbles and sewage in the process of telling rotation, the air pump 4 is connected with the air inlet 1 to press ozone into the bubble generators 2, the pressure difference between the air in the bubble generators 2 and the liquid in the mixing tank 1 needs to reach 1-2 kg/cm/2 2 。
The interval between adjacent bubble generators 2 in every row bubble generator 2 is 5m, and the distance between two adjacent row bubble generators 2 is 7cm, rationally sets up the distance between the adjacent bubble generators 2, can improve the efficiency that bubble and sewage mix to improve gaseous transmission efficiency, the efficiency of gas transmission can reach more than 90% in the application.
Specifically, the diaphragm plate 21 has a flat cuboid structure, the inner air passages 23 are provided with a plurality of flow dividing passages 24 at intervals, the air inlet passages 23 are communicated with the flow dividing passages 24, and the flow dividing openings of the flow dividing passages 24 are in one-to-one correspondence with the inner air passages 22.
The silicon carbide film in the present application can be prepared by the technology in chinese patent CN201811638063.4, and the pore diameter of the film hole 26 in the silicon carbide film in this embodiment is 40-100nm.
Example 2
The embodiment discloses a nano bubble generation method for water treatment, which specifically comprises the following steps:
step one: the water pump sucks in the water outlet end of the mixing tank under negative pressure, sewage enters the mixing tank from the water inlet of the mixing tank, and the flow velocity of the sewage in the mixing tank reaches 1m/s;
step two: ozone gas is introduced into an air inlet of the mixing tank, passes through the nano bubble generator, is discharged from film holes of a silicon carbide film on the nano bubble generator, and forms micro bubbles on the surface of the silicon carbide film;
step three: the water flow flows through the surface of the silicon carbide film, and micro bubbles on the surface of the silicon carbide film are cut and taken away to be mixed in the water;
step four: the micro-bubbles are discharged from the water outlet along with water flow, enter the water pump, and are cut and mixed at high speed through the impeller of the water pump to form nano-scale ultra-fine bubbles.
The method of the utility model firstly introduces ozone into the nano bubble generator, the ozone can be discharged from the membrane hole to obtain micro bubbles, and the micro bubbles can be cut by the impeller to obtain ultra-fine bubbles, so that the whole process has less energy consumption equipment and energy consumption, namely, the energy consumption is less, and the energy consumption is 1m 3 The total energy consumption of the ozone gas is only 1kw.hr.
Since it will be readily apparent to those skilled in the art that any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present utility model are intended to be included within the scope of the claims of the present utility model.
Claims (6)
1. A nanometer bubble system for water treatment, its characterized in that includes the blending tank, blending tank one end be equipped with the water inlet, the other end is equipped with the delivery port, the top is equipped with the air inlet, the blending tank in the interval set up multirow bubble generator, bubble generator includes the lamina membranacea, the lamina membranacea in be equipped with inside air flue, the tip of lamina membranacea be provided with the air inlet channel with inside air flue intercommunication, air inlet channel and air inlet intercommunication, the surface cladding carborundum membrane of lamina membranacea is equipped with the membranacea hole on the carborundum membrane, membranacea hole and inside air flue intercommunication.
2. The nanobubble system for water treatment according to claim 1, wherein the water outlet is connected to a water pump.
3. The nanobubble system for water treatment according to claim 1, wherein the air inlet is connected to an air pump.
4. The nano bubble system for water treatment according to claim 1, wherein the membrane plate is of a flat cuboid structure, a plurality of gas passages are arranged in the inner gas passage at intervals, the end part of the membrane plate is provided with a diversion passage, the air inlet passage is communicated with the diversion passage, and diversion openings of the diversion passage are in one-to-one correspondence with the inner gas passages.
5. The nanobubble system for water treatment according to claim 1, wherein the pore diameter of the membrane pores on the silicon carbide membrane is 40-100nm.
6. The nanobubble system for water treatment according to claim 1, wherein the interval between adjacent bubble generators in each row of bubble generators is 4-8cm, and the distance between adjacent bubble generators in two rows is 4-10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322015711.3U CN220703388U (en) | 2023-07-29 | 2023-07-29 | Nanometer bubble system for water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322015711.3U CN220703388U (en) | 2023-07-29 | 2023-07-29 | Nanometer bubble system for water treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220703388U true CN220703388U (en) | 2024-04-02 |
Family
ID=90448807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322015711.3U Active CN220703388U (en) | 2023-07-29 | 2023-07-29 | Nanometer bubble system for water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220703388U (en) |
-
2023
- 2023-07-29 CN CN202322015711.3U patent/CN220703388U/en active Active
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