CN212876707U - Micro-nano bubble oxygenation irrigation system - Google Patents
Micro-nano bubble oxygenation irrigation system Download PDFInfo
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- CN212876707U CN212876707U CN202021635759.4U CN202021635759U CN212876707U CN 212876707 U CN212876707 U CN 212876707U CN 202021635759 U CN202021635759 U CN 202021635759U CN 212876707 U CN212876707 U CN 212876707U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a micro-nano bubble oxygenation irrigation system, which comprises a water pump, a filter, a booster pump, a pressure stabilizing valve, a micro-nano bubble aerator, a fertilizer applicator and an irrigation branch pipe system; wherein, the water pump, the filter, the booster pump, the pressure stabilizing valve, the micro-nano bubble aerator and the irrigation branch pipe system are sequentially connected in series through a main pipeline; the fertilizer applicator is connected in series or in a bypass manner between the micro-nano bubble aerator and the irrigation branch pipe system. The utility model has the advantages that: the micro-nano bubbles can quickly improve the dissolved oxygen of the irrigation water body; the micro-nano bubbles can enable the fertilizer to be better dissolved in the irrigation water body, so that irrigation facilities are prevented from being blocked; after long-distance transportation, the micro-nano bubbles can still keep higher dissolved oxygen in the irrigation water body; the micro-nano bubbles can enhance the microbial activity of soil, accelerate the roots to absorb nutrient substances, promote the growth of crops and improve the yield and quality.
Description
Technical Field
The utility model particularly relates to a micro-nano bubble oxygenation irrigation system can be applied to agricultural oxygenation and irrigate, belongs to agricultural equipment technical field.
Background
The amount of air in soil can directly affect root respiration of crops, soil enzyme activity, nutrient absorption and the like, so that soil ventilation is also an important factor influencing soil fertility. Due to poor drainage and flooding, the high soil moisture or poor ventilation caused by the application of a large amount of fertilizer can affect the respiration of the root system and reduce the absorption of moisture and nutrients, and further the yield and quality of crops, vegetables and fruit trees are adversely affected.
Insufficient rhizosphere oxygen supply commonly occurs in crop cultivation, both in field cultivation and in hydroponic and matrix cultivation, so how to improve the rhizosphere oxygen supply, balancing water and gas conditions is a very important issue in crop cultivation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a micro-nano bubble oxygenation irrigation system (or device) is based on modern liquid manure affinity and the fertilization technique of watering on, improves the root zone growing environment that the root system oxygen suppliment is not enough after the crop irrigation, makes micro-nano bubble homodisperse in irrigating the water, increases irrigation water dissolved oxygen, and the conversion of the function of guarantee root system growth, soil microorganism's activity and mineral substance improves the utilization efficiency of liquid manure.
According to the utility model, the micro-nano bubble oxygenation irrigation system comprises a water pump, a filter, a booster pump, a pressure stabilizing valve, a micro-nano bubble aerator, a fertilizer applicator and an irrigation branch pipe system; wherein, the water pump, the filter, the booster pump, the pressure stabilizing valve, the micro-nano bubble aerator and the irrigation branch pipe system are sequentially connected in series through pipelines; the fertilizer applicator is connected in series or in a bypass manner between the micro-nano bubble aerator and the irrigation branch pipe system.
The micro-nano bubble aerator comprises an outer pipe, an inner cavity and an air-through cavity; wherein the inner cavity and the ventilation cavity are arranged in the outer tube.
The inner cavity comprises a water inlet cavity, a first throat cavity, a second cavity, a third cavity, a fourth cavity, a second throat cavity and a water outlet cavity which are connected in sequence; the water inlet cavity is an equal-diameter cavity; the first cavity is connected with the water inlet cavity and the diameter of the first cavity is gradually reduced; the first throat cavity is connected with the first cavity and has a constant diameter; the second cavity is connected with the first laryngeal cavity and gradually enlarges in diameter; the third cavity is connected with the second cavity and has a constant diameter; the fourth cavity is connected with the third cavity and the diameter of the fourth cavity is gradually reduced; the second throat cavity is connected to the fourth cavity and has a constant diameter; the water outlet cavity is connected with the second throat cavity and the diameter of the water outlet cavity is gradually enlarged.
The air inlet of the ventilation cavity penetrates through the outer pipe, and the air outlet of the ventilation cavity is respectively communicated with the first throat cavity and the second throat cavity.
Under the preferred condition, the utility model discloses a micro-nano bubble oxygenation irrigation system can also include pressure sensor, and pressure sensor connects between surge damping valve and micro-nano bubble aerator.
Under the preferred circumstances, the utility model discloses a micro-nano bubble oxygenation irrigation system can also include dissolved oxygen sensor, and dissolved oxygen sensor connects on the pipeline of micro-nano bubble aerator export.
Under the preferred condition, the interfaces at two ends of the outer pipe of the micro-nano bubble aerator are both in an external thread structure, so that the micro-nano bubble aerator is convenient to connect pipelines and disassemble.
Preferably, the micro-nano bubble aerator is connected with one or more cavity sub-units between the second throat cavity and the water outlet cavity, and each cavity sub-unit comprises a fifth cavity, a third cavity, a fourth cavity, a second throat cavity and a corresponding ventilation cavity which are sequentially connected; the diameter of the inlet of the fifth cavity is the same as that of the second throat cavity, the diameter of the fifth cavity is gradually enlarged, and the diameter of the outlet of the fifth cavity is the same as that of the third cavity.
Furthermore, in order to improve the dissolved oxygen of the water body, an air-entrapping device such as an air compressor, an oxygen generator, a liquid oxygen tank and the like can be connected to the air inlet of the micro-nano bubble aerator.
Under the specific condition, when the fertilizer applicator is connected in series between the micro-nano bubble aerator and the irrigation branch pipe system, the fertilizer applicator can be used for water culture, and EC and pH can be conveniently adjusted.
In a specific case, the fertilizer applicator bypass is mainly used in a field when being connected between the micro-nano bubble aerator and the irrigation branch pipe system.
By adopting the micro-nano bubble oxygenation irrigation system, irrigation water source is lifted to a filter through a water pump, water is pressurized through a booster pump and regulated to a certain pressure through a pressure stabilizing valve after being filtered, water enters a micro-nano bubble aerator to generate micro-nano bubbles, and the micro-nano bubbles are mixed with fertilizer water of a fertilizer applicator when fertilizer application is needed and then enter an irrigation branch system; when the fertilizer is not needed to be applied, the fertilizer applicator is not started, and the micro-nano bubble water directly enters the irrigation branch system.
The micro-nano bubble aerator has good gas-liquid mixing effect and convenient installation. After the inner cavity is connected with a plurality of groups of aeration sub-units in series, the gas-liquid mixing effect can be further increased, and micro-bubble fluid with smaller grain diameter is formed, so that the micro-bubble generating effect is better.
The utility model has the advantages that: micro-nano bubbles are generated by using a micro-nano bubble aerator, so that the dissolved oxygen of the irrigation water body is rapidly improved; the micro-nano bubbles can enable the fertilizer in the fertilizer liquid to be better dissolved in the irrigation water body, so that irrigation facilities are prevented from being blocked; intelligently adjusting the dissolved oxygen of the irrigation water body according to the variety and the growth cycle stage of crops; after long-distance transportation, the micro-nano bubbles can still keep higher dissolved oxygen in the irrigation water body; the micro-nano bubbles can enhance the microbial activity of soil, accelerate the root to absorb nutrition, promote the growth of crops and improve the yield and quality. The micro-nano bubble aerator is simple in structure and convenient to install, and does not need equipment such as a water storage tank.
Drawings
FIG. 1 is a schematic view of the micro-nano bubble aeration irrigation system (fertilizer applicator bypass connection);
FIG. 2 is a schematic view of the micro-nano bubble aeration irrigation system (fertilizer applicator connected in series);
FIG. 3 is a schematic structural diagram of a micro-nano bubble aerator;
fig. 4 is a schematic structural diagram (multistage series) of the micro-nano bubble aerator.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. Except for special description, the equipment or devices adopted in the utility model are all the existing products sold in the market.
Example 1 (Fertilizer distributor bypass connection)
As shown in fig. 1, the micro-nano bubble oxygen-increasing irrigation system comprises: the device comprises a water pump 1, a filter 2, a booster pump 3, a pressure stabilizing valve 4, a micro-nano bubble aerator 5, a fertilizer applicator 6 and an irrigation branch pipe system 7. Irrigation water source is promoted to filter 2 through water pump 1, and water filters the back and adjusts to certain pressure through booster pump 3 pressure boost, surge damping valve 4, and water gets into micro-nano bubble aerator 5 and produces micro-nano bubble, gets into irrigation branch system 7 and irrigates. When fertilizer is needed, the fertilizer applicator 6 is started, and fertilizer water and micro-nano bubble water are mixed and then enter the irrigation branch system 7. The micro-nano bubble oxygenation irrigation system is suitable for fields.
Example 2 (Fertilizer applicators in series)
As shown in fig. 2, the micro-nano bubble oxygen-increasing irrigation system comprises: the device comprises a water pump 1, a filter 2, a booster pump 3, a pressure stabilizing valve 4, a micro-nano bubble aerator 5, a fertilizer applicator 6 and an irrigation branch pipe system 7. Irrigation water source promotes to filter 2 through water pump 1, and water filters back and adjusts to certain pressure through booster pump 3 pressure boost, surge damping valve 4, and water gets into micro-nano bubble aerator 5 and produces micro-nano bubble, gets into irrigation branch system 7 behind the 6 pipelines of fertilizer distributor and irrigates. The micro-nano bubble oxygenation irrigation system is suitable for a soilless culture system.
In some preferred embodiments of the present invention, a pressure sensor 8, a dissolved oxygen sensor 9 and a controller 10 may be further added to the micro-nano bubble oxygen-increasing irrigation system shown in embodiments 1 and 2. The pressure sensor 9 is connected between the pressure stabilizing valve 4 and the micro-nano bubble aerator 5, the dissolved oxygen sensor 9 is connected on a pipeline at the outlet of the micro-nano bubble aerator 5, and the controller 10 is electrically connected with each part of the system to perform signal feedback and control. The pressure sensor 8 transmits a pressure value to the controller 10 in real time, and the controller 10 outputs a signal to control the pressure stabilizing valve 4 to regulate the pressure; the dissolved oxygen sensor 9 transmits the dissolved oxygen value to the controller 10 in real time, and the controller 10 outputs a signal to control the aeration condition of the micro-nano bubble aerator 5, namely, an external air source is controlled to adjust the size of the dissolved oxygen. The controller 10 is electrically connected to control and adjust other parts of the system, so as to form an intelligent control micro-nano bubble oxygen-increasing irrigation system. The controller 10 may employ existing PLC control circuitry, such automatic control being well known to those skilled in the art, and further description thereof is omitted herein.
Two specific examples of the structure of the micro-nano bubble aerator in the above embodiments are given below.
Example 3
As shown in figure 3, the micro-nano bubble aerator 5 comprises an outer pipe 5-1, an inner cavity 5-2 and an air-through cavity 5-3. The two ends of the outer pipe 5-1 are provided with external threads 5-11. The inner cavity 5-2 is positioned inside the outer tube 5-1; the inner cavity 5-2 is a water inlet cavity 5-20, a first cavity 5-21, a first throat cavity 5-26, a second cavity 5-22, a third cavity 5-23, a fourth cavity 5-24, a second throat cavity 5-27 and a water outlet cavity 5-28 which are connected in sequence.
The air cavity 5-3 is positioned between the outer tube 5-1 and the inner cavity 5-2, the air inlet 5-31 of the air cavity 5-3 is positioned outside the outer tube 5-1, and the air outlet end of the air cavity 5-3 is respectively connected with the first throat cavity 5-26 and the second throat cavity 5-27.
In a specific case, the water inlet cavity 5-20 is an equal-diameter cavity with a smaller diameter; the first cavity 5-21 is connected with the water inlet cavity 5-20 and the diameter of the first cavity is gradually reduced; the first throat cavity 5-26 is connected with the first cavity 5-21 and has a constant diameter; the second cavity 5-22 is connected with the first throat cavity 5-26 and gradually enlarges in diameter; the third cavity 5-23 is connected with the second cavity 5-22 and has a constant diameter; the fourth cavity 5-24 is connected with the third cavity 5-23 and the diameter is gradually reduced; the second throat cavity 5-27 is connected with the fourth cavity 5-24 and has a constant diameter; the water outlet cavity 5-28 is connected with the second throat cavity 5-27 and gradually enlarges in diameter.
Furthermore, in order to improve the dissolved oxygen in the water body, air-entrapping devices such as an air compressor, an oxygen generator, a liquid oxygen tank and the like can be connected to the air inlets 5-31 of the micro-nano bubble aerator 5.
The utility model discloses a micro-nano bubble aerator produces micro-nano bubble process: the water flows into the water inlet cavity 5-20, the diameter of the cavity is gradually reduced when the water passes through the first cavity 5-21, and the flow speed is increased and the pressure is reduced; when water flows into the second cavity 5-22 through the first throat cavity 5-26, the diameter of the cavity is gradually enlarged, and the flow speed is reduced and the pressure is increased; negative pressure is formed at the first throat cavity 5-26, air is sucked from the ventilation cavity 5-3, and primary gas-liquid mixing is completed in the third cavity 5-23; when the gas-liquid mixed fluid passes through the fourth cavity 5-24, the diameter of the cavity is gradually reduced, and the flow speed is increased, and the pressure is reduced; when water flows into the water outlet cavity 5-28 through the second throat cavity 5-27, the diameter of the cavity is gradually enlarged, and the flow speed is reduced and the pressure is increased; negative pressure is formed at the second throat cavity 5-27, air is sucked from the ventilation cavity 5-3, and secondary gas-liquid mixing is carried out to generate micro-nano bubbles.
Example 4
As shown in fig. 4, the micro-nano bubble aerator 5 comprises an outer tube 5-1, an inner cavity 5-2 and an air-through cavity 5-3. The two ends of the outer pipe 5-1 are provided with external threads 5-11. The inner cavity 5-2 is located inside the outer tube 5-1.
The inner cavity 5-2 comprises multi-stage gas-liquid mixing to generate more micro-nano bubbles with smaller particle size. The inner cavity 5-2 is a water inlet cavity 5-20, a first cavity 5-21, a first throat cavity 5-26, a second cavity 5-22, a third cavity 5-23, a fourth cavity 5-24, a second throat cavity 5-27, one or more cavity sub-units 5-29 and a water outlet cavity 5-28 which are connected in sequence.
In a specific case, the cavity sub-unit 5-29 comprises a fifth cavity 5-25, a third cavity 5-23, a fourth cavity 5-24, a second throat cavity 5-27 and a corresponding ventilation cavity 5-3 which are connected in sequence. The diameter of the inlet of the fifth cavity 5-25 is the same as that of the second throat cavity 5-27, the diameter of the inlet is gradually enlarged, and the diameter of the outlet is the same as that of the third cavity 5-23. The other cavity structures and the working principle are the same as those of the embodiment 1.
It should be noted that the above-described embodiments may enable those skilled in the art to more fully understand the present invention, but do not limit the present invention in any way. It will be apparent to those skilled in the art that modifications and improvements can be made to the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. A micro-nano bubble oxygenation irrigation system is characterized by comprising a water pump (1), a filter (2), a booster pump (3), a pressure stabilizing valve (4), a micro-nano bubble aerator (5), a fertilizer applicator (6) and an irrigation branch pipe system (7); wherein the water pump (1), the filter (2), the booster pump (3), the pressure stabilizing valve (4), the micro-nano bubble aerator (5) and the irrigation branch pipe system (7) are sequentially connected in series through pipelines; the fertilizer applicator (6) is connected in series or in a bypass way between the micro-nano bubble aerator (5) and the irrigation branch pipe system (7);
the micro-nano bubble aerator (5) comprises an outer pipe (5-1), an inner cavity (5-2) and a ventilation cavity (5-3); wherein, the inner cavity (5-2) and the ventilation cavity (5-3) are arranged in the outer tube (5-1);
the inner cavity (5-2) comprises a water inlet cavity (5-20), a first cavity (5-21), a first throat cavity (5-26), a second cavity (5-22), a third cavity (5-23), a fourth cavity (5-24), a second throat cavity (5-27) and a water outlet cavity (5-28) which are connected in sequence; the water inlet cavity (5-20) is an equal-diameter cavity; the first cavity (5-21) is connected with the water inlet cavity (5-20) and the diameter of the first cavity is gradually reduced; the first throat cavity (5-26) is connected with the first cavity body (5-21) and has a constant diameter; the second cavity (5-22) is connected with the first throat cavity (5-26) and gradually expands in diameter; the third cavity (5-23) is connected with the second cavity (5-22) and has a constant diameter; the fourth cavity (5-24) is connected with the third cavity (5-23) and the diameter of the fourth cavity is gradually reduced; the second throat cavity (5-27) is connected with the fourth cavity (5-24) and has a constant diameter; the water outlet cavity (5-28) is connected with the second throat cavity (5-27) and the diameter of the water outlet cavity is gradually enlarged;
an air inlet (5-31) of the ventilation cavity (5-3) penetrates through the outer tube (5-1), and an air outlet of the ventilation cavity (5-3) is respectively communicated with the first throat cavity (5-26) and the second throat cavity (5-27).
2. The micro-nano bubble oxygenation irrigation system according to claim 1, further comprising a pressure sensor (8), wherein the pressure sensor (8) is connected between the pressure stabilizing valve (4) and the micro-nano bubble aerator (5).
3. The micro-nano bubble oxygen-increasing irrigation system according to claim 1, further comprising a dissolved oxygen sensor (9), wherein the dissolved oxygen sensor (9) is connected to a pipeline at an outlet of the micro-nano bubble aerator (5).
4. The micro-nano bubble oxygenation irrigation system according to claim 1, characterized in that interfaces at two ends of an outer pipe (5-1) of the micro-nano bubble aerator (5) are both in an external thread structure, so that pipelines can be conveniently connected and detached.
5. The micro-nano bubble oxygenation irrigation system according to claim 1, characterized in that the micro-nano bubble aerator (5) is connected with one or more cavity sub-units (5-29) between a second throat cavity (5-27) and a water outlet cavity (5-28), and the cavity sub-units (5-29) comprise a fifth cavity (5-25), a third cavity (5-23), a fourth cavity (5-24), a second throat cavity (5-27) and a corresponding aeration cavity (5-3) which are connected in sequence; the diameter of the inlet of the fifth cavity (5-25) is the same as that of the second throat cavity (5-27) and gradually expands, and the diameter of the outlet of the fifth cavity is the same as that of the third cavity (5-23).
6. The micro-nano bubble oxygen-increasing irrigation system according to claim 1, characterized in that an air-entrapping device is connected to the positions of air inlets (5-31) of the micro-nano bubble aerator (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021635759.4U CN212876707U (en) | 2020-08-10 | 2020-08-10 | Micro-nano bubble oxygenation irrigation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021635759.4U CN212876707U (en) | 2020-08-10 | 2020-08-10 | Micro-nano bubble oxygenation irrigation system |
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| CN212876707U true CN212876707U (en) | 2021-04-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114020080A (en) * | 2021-11-04 | 2022-02-08 | 河海大学 | Micro-nano air entrainment-based automatic rice field irrigation and drainage system and method |
| CN115428714A (en) * | 2022-10-17 | 2022-12-06 | 中国农业科学院农田灌溉研究所 | Nano bubble water irrigation system |
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2020
- 2020-08-10 CN CN202021635759.4U patent/CN212876707U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114020080A (en) * | 2021-11-04 | 2022-02-08 | 河海大学 | Micro-nano air entrainment-based automatic rice field irrigation and drainage system and method |
| CN114020080B (en) * | 2021-11-04 | 2022-07-08 | 河海大学 | Micro-nano air entrainment-based automatic rice field irrigation and drainage system and method |
| CN115428714A (en) * | 2022-10-17 | 2022-12-06 | 中国农业科学院农田灌溉研究所 | Nano bubble water irrigation system |
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