CN111453937A - Intelligent micro-state excitation super-saturated dissolved oxygen device and river ecological activity conditioning system - Google Patents
Intelligent micro-state excitation super-saturated dissolved oxygen device and river ecological activity conditioning system Download PDFInfo
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- 150000002926 oxygen Chemical class 0.000 claims description 14
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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Abstract
The invention discloses an intelligent micro-state excitation super-saturated dissolved oxygen device and a riverway ecological activity conditioning system, which relate to the technical field of riverway ecological restoration, and comprise a reactor tank body and are characterized in that: the dissolved oxygen concentration adjusting assembly is used for generating a magnetic field with set strength, micro-nano bubbles and ultrasonic waves with set frequency, and is used for magnetizing the water body in the tank body, introducing the micro-nano bubbles and dividing and refining the introduced micro-nano bubbles by utilizing the ultrasonic waves; the dissolved oxygen concentration monitoring assembly is used for monitoring the dissolved oxygen concentration of the water body in the water outlet pipe and outputting a concentration monitoring signal; the control assembly is configured to receive and respond to the concentration monitoring signal output control signal, controls the action of the dissolved oxygen concentration adjusting assembly, and under the combined action of the water magnetizing device, the micro-nano gas distribution device and the ultrasonic cavitation device, gas is introduced into the water body in an ultra-nano bubble form, so that oxygen dissolution is facilitated, the content of dissolved oxygen in the water body can be effectively improved, and the ultra-saturated dissolved oxygen state of the water body is realized.
Description
Technical Field
The invention relates to the technical field of riverway ecological restoration, in particular to an intelligent micro-excitation super-saturated dissolved oxygen device and a riverway ecological activity conditioning system.
Background
Dissolved oxygen (dissolved oxygen) content is the most important comprehensive index for measuring river water quality. On one hand, higher aquatic organisms in rivers need certain dissolved oxygen to produce; on the other hand, anaerobic bacteria are propagated due to the lack of oxygen in rivers, and the water quality is rapidly deteriorated, so that the phenomenon of black and odorous river channels occurs.
In order to increase the content of dissolved oxygen in the river water body, the simplest and most direct method is to aerate and oxygenate the river water body. For example, Chinese patent with publication No. CN108002549A proposes a comprehensive treatment method for rapidly improving water body dissolved oxygen and eliminating black and odorous river channels, and the main scheme is that after a fan and a main pipeline are installed, the main pipeline is connected with a nanometer micropore aeration disc through a gas distribution pipe; then, microbial agents are sprinkled in the river channel, and simultaneously, the aeration and aeration are carried out to ensure that the microbes propagate in a large quantity and degrade nutrient substances in the black and odorous river channel.
However, in practice, it is found that oxygen cannot be well fused with river water in the above scheme, bubbles generated by the nano-microporous aeration disc are compounded in the water body to form larger bubbles which finally escape out of the water body, and the dissolved oxygen content in the water body cannot be well improved.
Disclosure of Invention
Aiming at the problem that the content of dissolved oxygen in a river cannot be obviously improved by a conventional aeration method in practical application, the invention aims to provide an intelligent micro-state excited supersaturated oxygen dissolving device, which is characterized in that oxygen and water in the river are fully fused by external equipment, so that the content of dissolved oxygen is fully improved and maintained for a long time, and based on the supersaturated oxygen dissolving device, the invention aims to provide a river ecological activity conditioning system, and the water rich in dissolved oxygen is uniformly distributed into the river water, so that the content of dissolved oxygen in the river water can be greatly improved, the growth and propagation and biodegradation activity of river microorganisms are promoted, bottom mud and river microenvironment are conditioned and improved, and the purification of the river water is realized, and the specific scheme is as follows:
the utility model provides an intelligent micro-attitude arouses super saturated dissolved oxygen device, includes the reactor jar body, the intercommunication is provided with inlet tube and outlet pipe on the jar body, still includes:
the dissolved oxygen concentration adjusting assembly is configured to generate a magnetic field with set strength, micro-nano bubbles and ultrasonic waves with set frequency, and is used for magnetizing the water body in the tank, introducing the micro-nano bubbles and dividing and refining the introduced micro-nano bubbles by using the ultrasonic waves;
the dissolved oxygen concentration monitoring assembly is arranged at the water outlet pipe and used for monitoring the dissolved oxygen concentration of the water body in the water outlet pipe and outputting a concentration monitoring signal;
and the control assembly comprises an intelligent controller, is configured to be in signal connection with the dissolved oxygen concentration adjusting assembly and the dissolved oxygen concentration monitoring assembly, receives and responds to the concentration monitoring signal to output a control signal, and controls the action of the dissolved oxygen concentration adjusting assembly.
Through above-mentioned technical scheme, will wait that the water of dissolved oxygen adds the jar body in, utilize the magnetic field to magnetize the water, the polar molecule in the water twists in the magnetic field and rotates, becomes macromolecule water into micromolecule water, produces the active group, reduces the surface free energy and the surface tension of water, increases the mass transfer and the reaction rate of water, utilizes the water after the micro-nano bubble combines the magnetization, can make more dissolving of oxygen in the bubble go into the water. Finally, the high-frequency vibration of ultrasonic waves is utilized, the cavitation effect is generated in a water-gas mixing system through the periodic transmission of the positive pressure and the negative pressure of the microscale, the micro-nano mixed bubbles are further extruded and crushed to generate ultra-nano smaller bubbles, and the reduction effect of the surface tension of magnetized water is combined, so that oxygen can be dissolved in water in a real dissolved state, the dissolved oxygen concentration in water reaches a super-saturated state, and the oxygen can stably exist in water for a long time and is not easy to escape and run off. Ultrasonic wave combines magnetization effect, can also further increase the production of active group, and direct catalytic degradation pollutants in water can obtain the water of super saturated dissolved oxygen based on above-mentioned setting. Based on above-mentioned control assembly, can be according to the dissolved oxygen concentration automatic change above-mentioned magnetic field intensity in the water, micro-nano bubble quantity and ultrasonic frequency, through three's coordination, to adopting different dissolved oxygen concentration promotion schemes in different waters, nimble effective, avoided the problem that direct aeration water dissolved oxygen volume is not enough in the river course.
Further, the dissolved oxygen concentration adjusting assembly includes:
the water magnetizing device is arranged at the position of the water inlet pipe or communicated with the water inlet pipe and is used for providing a magnetic field with set strength to carry out microscopic magnetization on the water body flowing into the tank body;
the micro-nano gas distribution device comprises a gas inlet pipe communicated with an external gas source, a gas pump and at least one aerator communicated with the gas inlet pipe and arranged at the bottom of the tank body;
the ultrasonic cavitation device comprises a numerical control driving power supply, an ultrasonic transducer, an ultrasonic amplitude transformer and an ultrasonic transmitting head, wherein the ultrasonic transmitting head is arranged in the tank body and is positioned right above the aerator;
the air pump and the numerical control driving power supply are in signal connection with the intelligent controller.
Through above-mentioned technical scheme, water after the magnetization enters into jar body after, can control the emergence volume and the ultrasonic wave vibration frequency of above-mentioned micro-nano bubble through control assembly, ultrasonic wave emitter head sets up on the aerator, and the two coordinates each other, can cut apart once more to the micro-nano bubble that newly produces in the water, forms super nano bubble, and the characteristic that utilizes the magnetized drinking water makes above-mentioned super nano bubble can be faster more dissolve into in the water and keep permanent ageing.
Further, the water magnetizing apparatus includes:
a water flow passage made of permanent magnet material and communicated with the water inlet pipe; or
The electromagnetic generator is arranged on the water inlet pipe, and the control end of the electromagnetic generator is in signal connection with the intelligent controller.
Through above-mentioned technical scheme, under the condition that inlet tube flow keeps unchangeable, utilize the permanent magnet can be to the comparatively fixed water of input magnetization degree in the jar body, utilize the electromagnetic generator then can realize the regulation to water magnetization degree according to control assembly's control, combine the control to above-mentioned micro-nano gas distribution device, ultrasonic wave cavitation device, realized the regulation to water dissolved oxygen ability for the water is the state of super saturated dissolved oxygen.
Furthermore, the control assembly also comprises a magnetic induction sensor arranged at the water outlet of the water magnetizing device;
the magnetic induction sensor is in signal connection with the intelligent controller, and the intelligent controller receives and responds to the output signal of the magnetic induction sensor to control the action of the electromagnetic generator.
Through the technical scheme, the closed-loop control of the water magnetization is realized, namely the electromagnetic generator can be more accurately adjusted according to the detected water magnetization degree.
Furthermore, the control assembly further comprises a water inlet regulating valve and a first flow sensor which are connected with the intelligent controller in a signal manner and are arranged at the water inlet pipe, a water outlet regulating valve and a second flow sensor which are arranged at the water outlet pipe, and at least one liquid level sensor and a first pressure sensor which are arranged in the tank body;
the intelligent controller receives and responds to output signals of the first flow sensor, the second flow sensor, the liquid level sensor and the first pressure sensor to control the actions of the water inlet regulating valve and the water outlet regulating valve.
Through the technical scheme, the water inlet quantity and the water outlet quantity in the tank body can be accurately regulated, the output of the first pressure sensor and the output of the liquid level sensor are combined, the accurate control of the pressure and the liquid level in the tank body is realized, and the oxygen dissolving reaction is ensured to be carried out in a proper environment.
Furthermore, a second pressure sensor and a third flow sensor which are in signal connection with the intelligent controller are arranged in the air inlet pipe, and the intelligent controller receives and responds to output signals of the second pressure sensor and the third flow sensor to control the air pump to act.
Through the technical scheme, the control assembly can be used for realizing the accurate adjustment of the aeration quantity.
Further, the tank body is square, cylindrical or conical with a narrow upper part and a wide lower part;
the water inlet pipe and the water outlet pipe are respectively arranged at the top and the bottom of the tank body.
Through the technical scheme, the water body has a relatively long stroke in the tank body, so that more oxygen generated by the aerator is dissolved into the water body.
Further, the tank body is arranged in a conical shape, and the inclination angle of the tank body is set to be 50-80 degrees;
ultrasonic emission head configuration is many evenly distributed in the ultrasonic vibration stick of jar body bottom, ultrasonic vibration stick is located container bottom 1/10~1/2 high department.
Above-mentioned technical scheme, set up the jar body into the toper, because micro-nano gas distribution device and ultrasonic cavitation device all set up in jar body bottom, make a large amount of super nanometer bubbles gather in jar body bottom scope in fact, and slowly in the jar body the aforesaid, the volume of super nanometer bubble is less relatively at jar body top position, but correspond, the water of jar body top position is also less relatively, the water velocity is very fast, the water can gradually fully contact with super nanometer bubble in the extremely down flow, and because jar body bottom volume grow gradually, it is slow more to be close to jar body bottom water velocity more, make from this in the water dissolved oxygen content constantly promote, reach the biggest and then discharge when jar body bottom position, realize the super saturated dissolved oxygen state of water.
Furthermore, the intelligent micro-state excitation super-saturated dissolved oxygen device also comprises an alarm component, wherein the alarm component comprises an alarm controller and an alarm module;
the alarm controller is in signal connection with the liquid level sensor and the first pressure sensor, receives output signals of the liquid level sensor and the first pressure sensor, and outputs alarm signals to the alarm module when the output signals exceed a set range.
Through above-mentioned technical scheme, when the liquid level in the jar body crosses low or the pressure is too big undersize, above-mentioned device can export the warning in time, avoids the emergence of incident from this, guarantees the even running of whole device.
Based on the intelligent micro-state excitation super-saturated dissolved oxygen device, the invention also provides a riverway ecological activity conditioning system, which comprises the intelligent micro-state excitation super-saturated dissolved oxygen device; further comprising:
the water taking device comprises a water taking pump and a filtering mechanism which are communicated with the water inlet pipe, wherein the water taking pump is used for pumping the water body in the river channel and pumping the water body to be dissolved with oxygen into the tank body through the water inlet pipe;
and the water distribution pipeline comprises a plurality of water distribution pipes arranged at the bottom of the river channel, and the plurality of water distribution pipes are communicated with the water outlet pipe and are provided with holes or grooves for water outlet.
Through above-mentioned technical scheme, be different from the traditional method of direct aeration in to the river course, dissolve oxygen in the water in advance, then with different positions in the river course of super saturated dissolved oxygen water evenly distributed, condition and improve bed mud and river course microenvironment, make the river course ecosystem follow the anaerobic state to the aerobic state transition. Because the oxygen exists in a dissolved state, the oxygen can exist in water for a long time, the dissipation of large bubbles caused by conventional aeration is avoided, and 100 percent of dissolved oxygen is utilized. Because the activation magnetism of the magnetized water exists for a long time, the magnetic field environment of the microenvironment can promote the growth and the propagation of river microorganisms and the biodegradation activity, stimulate the growth of aquatic plants and promote the progress of various reactions. In addition, the magnetic water can enhance the natural reoxygenation capability of the river water, and the improvement effect on the river is comprehensive and durable.
Compared with the prior art, the invention has the following beneficial effects:
(1) the gas is introduced into the water body in micro-nano bubble shapes through the micro-nano gas distribution device and the ultrasonic cavitation device, the bubbles are further divided to form ultra-nano bubbles under the action of ultrasonic waves, oxygen is dissolved in the water body, the content of dissolved oxygen in the water body can be effectively improved, meanwhile, the water body is magnetized, the magnetized water has stronger activity, the ultra-nano bubbles can be dissolved more quickly, and the ultra-saturated dissolved oxygen state of the water body is realized;
(2) on the basis of the control assembly, by detecting the dissolved oxygen content of the water body in the water pipe, various parameters in the dissolved oxygen concentration adjusting assembly are correspondingly controlled, different control parameters are adopted for different water bodies, and finally the super-saturated dissolved oxygen state of the water body can be realized;
(3) the water body treated by the intelligent micro-state excitation super-saturated dissolved oxygen device is redistributed to the river channel, which is different from direct aeration oxygenation, because oxygen exists in a dissolved state, the oxygen can exist in water for a long time, the dissipation of large bubbles in conventional aeration is avoided, and 100% of dissolved oxygen is utilized. Because the activation magnetism of the magnetized water exists for a long time, the magnetic field environment of the microenvironment can promote the growth and the propagation of river microorganisms and the biodegradation activity, stimulate the growth of aquatic plants and promote the progress of various reactions. In addition, the magnetic water can enhance the natural reoxygenation capability of the river water, and the improvement effect on the river is comprehensive and durable.
Drawings
FIG. 1 is a schematic view of an intelligent micro-excited supersaturated oxygen dissolving device according to the present invention;
fig. 2 is a schematic diagram of a river ecological activity conditioning system of the invention.
Reference numerals: 1. a tank body; 2. a water inlet pipe; 3. a water outlet pipe; 4. a water magnetizing device; 5. a micro-nano gas distribution device; 5. an ultrasonic cavitation device; 6. a water inlet regulating valve; 7. a first flow sensor; 8. a magnetic induction sensor; 9. an air inlet pipe; 10. an air pump; 11. an aerator; 12. a first pressure sensor; 13. a second flow sensor; 14. an ultrasonic wave emitting head; 15. a water outlet regulating valve; 16. a third flow sensor; 17. a liquid level sensor; 18. a second pressure sensor; 19. a dissolved oxygen concentration monitoring component; 20. a water intake device; 21. a water distribution pipeline; 22. a water taking pump; 23. a filtering mechanism; 24. an external gas source.
Detailed Description
In order to treat river pollution and increase the oxygen content of the water in the river, the prior art mostly increases the dissolved oxygen content of the water in the river by a direct aeration mode. However, practice shows that the increase of the dissolved oxygen content in the above mode is limited and is concentrated near the aeration device, and the activity of the ecosystem in the river channel cannot be well improved.
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
The utility model provides an intelligent micro-attitude arouses super saturated dissolved oxygen device, as shown in figure 1, includes the reactor jar body 1, and jar body 1 is last to communicate to be provided with inlet tube 2 and outlet pipe 3, still includes dissolved oxygen concentration adjusting part, dissolved oxygen concentration monitoring subassembly 19 and control assembly. The control core of the control component is an intelligent controller which is configured to be in signal connection with the dissolved oxygen concentration adjusting component and the dissolved oxygen concentration monitoring component 19, receives and responds to the concentration monitoring signal to output a control signal, controls the action of the dissolved oxygen concentration adjusting component, and adopts different dissolved oxygen adaptation parameters for different water bodies.
In detail, the dissolved oxygen concentration adjusting assembly is configured to generate a magnetic field with set intensity, micro-nano bubbles and ultrasonic waves with set frequency, and is used for magnetizing the water in the tank body 1, introducing the micro-nano bubbles, and further dividing and refining the introduced micro-nano bubbles by using the ultrasonic waves to form ultra-nano bubbles, so that the ultra-nano bubbles can be dissolved in the water more and more quickly.
As shown in fig. 1, the dissolved oxygen concentration adjusting unit includes: a water magnetizing device 4, a micro-nano air distribution device 5 and an ultrasonic cavitation device 5.
The water magnetizing device 4 is arranged at the position of the water inlet pipe 2 or communicated with the water inlet pipe 2 and used for providing a magnetic field with set strength to carry out microscopic magnetization on the water flowing into the tank body 1, and macromolecular water in the magnetized water becomes micromolecular water and generates a large amount of active groups, thereby being more beneficial to the dissolution of gas in the water.
In one embodiment, the water magnetizing device 4 is configured as a water passage made of permanent magnet material and communicating with the water inlet pipe 2, for example, a water passage made of neodymium iron boron permanent magnets, and the permanent magnets have a strong magnetic field therebetween, and the water is magnetized when flowing through the water passage, so that the magnetic field is stable and can be used for a long time.
In another embodiment, the water magnetizing device 4 is configured as an electromagnetic generator, such as an electromagnetic coil, disposed on the water inlet pipe 2, and a control end of the electromagnetic generator is in signal connection with the intelligent controller. Above-mentioned electromagnetic generator utilizes the electromagnetic induction principle, and the size through adjusting solenoid in the electric current realizes the change of the magnetic field intensity even direction in the inlet tube 2, and the magnetic field that this mode formed possesses intensity adjustable, the changeable advantage of direction, utilizes electromagnetic generator then can realize the regulation to the water magnetization degree according to control assembly's control.
Preferably, the magnetic field induction is set to 0.1 to 0.5T.
Because the magnetization degree of the water is not only related to the magnetic field intensity, but also related to the residence time of the water body in the magnetic field, the invention further optimizes that the control assembly is provided with a water inlet regulating valve 6 and a first flow sensor 7 which are connected with the intelligent controller through signals and arranged at the water inlet pipe 2. The output signal of above-mentioned first flow sensor 7 is received to the intelligent control ware, the flow signal of the water in inlet tube 2 promptly, adjusts according to setting for the switching degree of inlet regulating valve 6 realizes the regulation to the velocity of flow of intaking from this, can carry out more accurate control to water magnetization degree in inlet tube 2 promptly. In practice, the water inlet regulating valve 6 may be a solenoid valve for automatic control by an intelligent controller, and the first flow sensor 7 is a pipeline type flow sensor with a signal output function. Preferably, the magnetizing flow velocity in the water inlet pipe 2 is controlled to be 1-3 m/s.
In order to realize the closed-loop control of the water magnetization, the electromagnetic generator can be more accurately adjusted according to the detected water magnetization degree, and further, the control assembly further comprises a magnetic induction sensor 8 arranged at the water outlet of the water magnetization device 4. The magnetic induction sensor 8 is in signal connection with an intelligent controller, and the intelligent controller receives and responds to an output signal of the magnetic induction sensor 8 to control the actions of the electromagnetic generator and the water inlet regulating valve 6, namely to control the current of an electromagnetic coil in the electromagnetic generator.
As shown in fig. 1, the micro-nano air distribution device 5 includes an air inlet pipe 9 communicated with an external air source 24, an air pump 10, and at least one aerator 11 communicated with the air inlet pipe 9 and disposed at the bottom of the tank 1.
Preferably, the external air source 24 is pure oxygen, the micro-nano air distribution equipment is aerated by an ultrafiltration membrane, and the ultrafiltration membrane can be a corrosion-resistant ceramic membrane, an organic membrane, a plate-type membrane or a hollow fiber membrane. And (3) aerating by using an ultrafiltration membrane to distribute oxygen in micro-nano size in water. Preferably, the micro-nano gas distribution equipment preferably uses an inorganic ultrafiltration membrane for aeration.
In order to realize accurate adjustment of the aeration amount by using the control assembly, a second pressure sensor 18 and a third flow sensor 16 which are in signal connection with the intelligent controller are arranged in the air inlet pipe 9. The intelligent controller is in control connection with the air pump 10, receives and responds to the output signals of the second pressure sensor 18 and the third flow sensor 16 to control the action of the air pump 10. The third flow sensor 16 is preferably a tubular gas flow sensor with a signal output function.
As shown in fig. 1, the ultrasonic cavitation device 5 includes a digital control driving power supply, an ultrasonic transducer, an ultrasonic amplitude transformer and an ultrasonic emitter 14, wherein the ultrasonic emitter 14 is disposed inside the tank 1 and uniformly distributed over the aerator 11.
In the invention, the ultrasonic driving power supply converts 50-60 Hz commercial power into high-power high-frequency (15-100 kHz) power supply, and supplies the high-power high-frequency power supply to the ultrasonic transducer. The ultrasonic transducer generates vibration to convert high-frequency electric energy into mechanical vibration energy. The amplitude transformer is connected with and fixes the transducer and the transmitting head to amplify the amplitude. The emitter head transmits mechanical energy and pressure into the solution.
In more detail, the vibration frequency is preferably 20kHz, the transducer is preferably a piezoelectric ceramic sandwich transducer with stable performance, and the transmitting head may be an ultrasonic vibrating plate or a vibrating rod, preferably a vibrating rod. The single body power of the vibrating rod is 500W-3000W. In this embodiment, the number of the vibrating rods is plural and used in combination.
And the numerical control driving power supply of the ultrasonic cavitation device 5 is in signal connection with the intelligent controller.
Based on above-mentioned technical scheme, water after the magnetization enters into jar body 1 back, can control the emergence volume and the ultrasonic wave vibration frequency of above-mentioned micro-nano bubble through control assembly, ultrasonic wave emitter 14 sets up on aerator 11, and the two coordinates each other, can cut apart once more to the micro-nano bubble that newly produces in the water, forms super nano bubble, and the characteristic that utilizes the magnetization water makes above-mentioned super nano bubble can be faster more dissolve into the water and keep permanent ageing.
According to the invention, the tank body 1 is made of stainless steel, glass fiber reinforced plastic or carbon steel lined with resin, preferably stainless steel. The tank body 1 is square, cylindrical or conical with a narrow top and a wide bottom. As shown in fig. 1, a conical arrangement is preferably adopted, the water inlet pipe 2 and the water outlet pipe 3 are respectively arranged at the top and the bottom of the tank body 1, and the air inlet pipe 9 is used for introducing air from the bottom of the tank body 1.
The inclination angle of the tank body 1 is set to be 50-80 degrees, and preferably 75 degrees;
the ultrasonic emitting heads 14 are configured as ultrasonic vibration rods uniformly distributed at the bottom of the tank body 1, and the ultrasonic vibration rods are positioned at the 1/10-1/2 height of the bottom of the container, preferably at the 1/3 height.
Above-mentioned technical scheme sets up jar body 1 to the toper, because micro-nano gas distribution device 5 and ultrasonic cavitation device 5 all set up in jar body 1 bottom, make a large amount of super nanometer bubbles gather in jar body 1 bottom scope in fact, and slowly in jar body 1 above-mentioned, the volume of super nanometer bubble is less relatively at jar body 1 top position, but corresponding, the water of jar body 1 top position is also less relatively, the water velocity is faster, the water can gradually fully contact with super nanometer bubble in the extremely up-and-down flow, and because jar body 1 bottom volume grow gradually, the water velocity of flow is slower more near jar body 1 bottom, make dissolved oxygen content in the water constantly promote from this, reach the biggest when jar body 1 bottom position and discharge, realize the super saturated dissolved oxygen state of water.
In order to accurately adjust the water inflow and the water outflow in the tank body 1 and further control the dissolved oxygen content in the tank body 1, the control assembly further comprises a water outflow adjusting valve 15 and a second flow sensor 13 which are connected with the intelligent controller through signals and arranged at the water outlet pipe 3, and at least one liquid level sensor 17 and a first pressure sensor 12 which are arranged in the tank body 1. The outlet regulating valve 15 is preferably realized by a solenoid valve.
The intelligent controller receives and responds to the output signals of the second flow sensor 13, the liquid level sensor 17 and the first pressure sensor 12 to control the actions of the water inlet regulating valve 6 and the water outlet regulating valve 15.
The dissolved oxygen concentration monitoring assembly 19 is arranged at the water outlet pipe 3 and used for monitoring the dissolved oxygen concentration of the water body in the water outlet pipe 3 and outputting a concentration monitoring signal, and is specifically realized by adopting a dissolved oxygen monitor and other equipment.
In the invention, the intelligent controller is realized by a single chip microcomputer control module or an FPGA control module or a customized control chip module. Corresponding algorithm programs are loaded in the water body, different control parameters are adopted for different water bodies, such as different water inlet pressures, water inlet flows, water inlet flow rates, magnetic field intensity after magnetization, ultrasonic power, air inlet pressure, air inlet flows, water outlet pressure, water outlet flows and the like, and finally the supersaturated dissolved oxygen state of the water body is realized.
In the invention, the intelligent micro-state excitation super-saturated dissolved oxygen device also comprises an alarm component, and the alarm component specifically comprises an alarm controller and an alarm module. The alarm controller is in signal connection with the liquid level sensor 17 and the first pressure sensor 12, receives output signals of the liquid level sensor 17 and the first pressure sensor 12, and outputs an alarm signal to the alarm module when the output signals exceed a set range. The alarm controller can be realized by adopting an independent control module, and can also be realized by adopting a program module loaded into the intelligent controller. The alarm module comprises a field alarm and a remote alarm, such as a field acousto-optic alarm or a remote 4G/5G communication alarm module. When the liquid level in the tank body 1 is too low or the pressure is too large, the device can output an alarm in time, so that safety accidents are avoided, and the stable operation of the whole device is ensured.
As shown in fig. 2, based on the above intelligent micro-excitation super-saturated oxygen dissolving device, the invention further provides a river ecological activity conditioning system, which comprises the above intelligent micro-excitation super-saturated oxygen dissolving device, a water intake device 20 and a water distribution pipeline 21.
The water intake device 20 comprises a water intake pump 22 and a filtering mechanism 23 which are communicated with the water inlet pipe 2, wherein the water intake pump 22 pumps the water body in the river channel and pumps the water body to be dissolved with oxygen into the tank body 1 through the water inlet pipe 2. The filtering mechanism 23 is mainly used for filtering impurities in the water body.
The water distribution pipeline 21 comprises a plurality of water distribution pipes arranged at the bottom of the river channel, the water distribution pipes are communicated with the water outlet pipe 3 and provided with holes or grooves for water outlet, and the holes or the grooves are used for uniformly distributing the active supersaturated dissolved oxygen water in the river channel to be treated, and the water distribution pipeline 21 is arranged at intervals of 200-2000 m in the flowing direction of the river channel according to the pollution degree and the treatment requirement of the river channel.
The water distribution pipeline 21 is arranged in the cross section direction of the river channel, and the water distribution pipeline 21 is obliquely downwards provided with holes or grooves at two sides of 45 degrees to discharge water, so that the active supersaturated oxygen-dissolved water is uniformly and slowly released to the bottom of the river channel.
Different from the traditional method of directly aerating in the river channel, oxygen is dissolved in water in advance, and then the supersaturated dissolved oxygen water is uniformly distributed to different positions in the river channel, so that the substrate sludge and the river channel microenvironment are conditioned and improved, and the river channel ecosystem is changed from an anaerobic state to an aerobic state. Because the oxygen exists in a dissolved state, the oxygen can exist in water for a long time, the dissipation of large bubbles caused by conventional aeration is avoided, and 100 percent of dissolved oxygen is utilized. Because the activation magnetism of the magnetized water exists for a long time, the magnetic field environment of the microenvironment can promote the growth and the propagation of river microorganisms and the biodegradation activity, stimulate the growth of aquatic plants and promote the progress of various reactions. In addition, the magnetic water can enhance the natural reoxygenation capability of the river water, and the improvement effect on the river is comprehensive and durable.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The utility model provides an intelligent micro-attitude arouses super saturated dissolved oxygen device, includes the reactor jar body (1), the intercommunication is provided with inlet tube (2) and outlet pipe (3) on jar body (1), its characterized in that still includes:
the dissolved oxygen concentration adjusting assembly is configured to generate a magnetic field with set strength, micro-nano bubbles and ultrasonic waves with set frequency, and is used for magnetizing the water body in the tank body (1), introducing the micro-nano bubbles, and dividing and refining the introduced micro-nano bubbles by using the ultrasonic waves;
the dissolved oxygen concentration monitoring assembly (19) is arranged at the water outlet pipe (3) and is used for monitoring the dissolved oxygen concentration of the water body in the water outlet pipe (3) and outputting a concentration monitoring signal;
and the control assembly comprises an intelligent controller, is configured to be in signal connection with the dissolved oxygen concentration regulating assembly and the dissolved oxygen concentration monitoring assembly (19), receives and responds to the concentration monitoring signal to output a control signal, and controls the action of the dissolved oxygen concentration regulating assembly.
2. The intelligent micro-excitation supersaturated oxygen dissolving device according to claim 1, wherein said dissolved oxygen concentration regulating component comprises:
the water magnetizing device (4) is arranged at the position of the water inlet pipe (2) or communicated with the water inlet pipe (2) and is used for providing a magnetic field with set strength to carry out microscopic magnetization on the water body flowing into the tank body (1);
the micro-nano air distribution device (5) comprises an air inlet pipe (9) communicated with an external air source (24), an air pump (10) and at least one aerator (11) communicated with the air inlet pipe (9) and arranged at the bottom of the tank body (1);
the ultrasonic cavitation device (5) comprises a numerical control driving power supply, an ultrasonic transducer, an ultrasonic amplitude transformer and an ultrasonic emitter (14), wherein the ultrasonic emitter (14) is arranged in the tank body (1) and is positioned right above the aerator (11);
the air pump (10) and the numerical control driving power supply are in signal connection with the intelligent controller.
3. The intelligent micro-excited supersaturated oxygen dissolving device according to claim 2, wherein said water magnetizing device (4) comprises:
a water flow channel made of permanent magnet material and communicated with the water inlet pipe (2); or
The electromagnetic generator is arranged on the water inlet pipe (2), and the control end of the electromagnetic generator is in signal connection with the intelligent controller.
4. The intelligent micro-excitation supersaturated oxygen dissolving device according to claim 3, wherein said control unit further comprises a magnetic induction sensor (8) disposed at the water outlet of the water magnetizing device (4);
the magnetic induction sensor (8) is in signal connection with the intelligent controller, and the intelligent controller receives and responds to the output signal of the magnetic induction sensor (8) to control the action of the electromagnetic generator.
5. The intelligent micro-excitation supersaturated oxygen dissolving device according to claim 4, wherein the control assembly further comprises a water inlet regulating valve (6) and a first flow sensor (7) which are connected with the intelligent controller by signals and arranged at the water inlet pipe (2), a water outlet regulating valve (15) and a second flow sensor (13) which are arranged at the water outlet pipe (3), at least one liquid level sensor (17) and a first pressure sensor (12) which are arranged in the tank body (1);
the intelligent controller receives and responds to output signals of the first flow sensor (7), the second flow sensor (13), the liquid level sensor (17) and the first pressure sensor (12) to control the actions of the water inlet regulating valve (6) and the water outlet regulating valve (15).
6. The intelligent micro-regime excitation supersaturated oxygen dissolving device according to claim 5, wherein the air inlet pipe (9) is provided with a second pressure sensor (18) and a third flow sensor (16) which are in signal connection with the intelligent controller, and the intelligent controller receives and responds to output signals of the second pressure sensor (18) and the third flow sensor (16) to control the action of the air pump (10).
7. The intelligent micro-excitation supersaturated oxygen dissolving device according to claim 1, wherein the tank body (1) is square, cylindrical or conical with a narrow top and a wide bottom;
the water inlet pipe (2) and the water outlet pipe (3) are respectively arranged at the top and the bottom of the tank body (1).
8. The intelligent micro-excitation supersaturated oxygen dissolving device according to claim 7, wherein the tank body (1) is arranged in a conical shape, and the inclination angle of the tank body (1) is set to be 50-80 degrees;
ultrasonic emission head (14) configuration is many evenly distributed in the ultrasonic vibration stick of jar body (1) bottom, ultrasonic vibration stick is located container bottom 1/10~1/2 high department.
9. The intelligent micro-regime excitation supersaturated oxygen apparatus according to claim 6, further comprising an alarm component, wherein the alarm component comprises an alarm controller and an alarm module;
the alarm controller is in signal connection with the liquid level sensor (17) and the first pressure sensor (12), receives output signals of the liquid level sensor (17) and the first pressure sensor (12), and outputs an alarm signal to the alarm module when the output signals exceed a set range.
10. A riverway ecological activity conditioning system, which comprises the intelligent micro-excitation supersaturated oxygen dissolving device as claimed in claim 8 or 9; further comprising:
the water taking device (20) comprises a water taking pump (22) and a filtering mechanism (23), wherein the water taking pump (22) is communicated with the water inlet pipe (2), and the water taking pump (22) is used for extracting the water body in the river channel and pumping the water body to be dissolved with oxygen into the tank body (1) through the water inlet pipe (2);
and the water distribution pipeline (21) comprises a plurality of water distribution pipes arranged at the bottom of the river channel, and the plurality of water distribution pipes are communicated with the water outlet pipe (3) and are provided with holes or grooves for water outlet.
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| CN113321323A (en) * | 2021-05-18 | 2021-08-31 | 中国环境科学研究院 | Oxygenation system for black and odorous water body restoration of multiplicable rivers circulation |
| CN113634172A (en) * | 2021-09-08 | 2021-11-12 | 上海复正环保工程有限公司 | Vibration frequency ultra-fine bubble generation system |
| CN114950223A (en) * | 2022-03-03 | 2022-08-30 | 中国科学院宁波材料技术与工程研究所 | Preparation method and device of micro-nano bubbles |
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| CN115417470A (en) * | 2022-08-30 | 2022-12-02 | 中国长江三峡集团有限公司 | River dissolved gas supersaturation regulation and control device and method based on ultrasonic cavitation |
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