CN104973651A - Device and method for treating cyanobacterial bloom of eutrophic water - Google Patents
Device and method for treating cyanobacterial bloom of eutrophic water Download PDFInfo
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- CN104973651A CN104973651A CN201510414163.9A CN201510414163A CN104973651A CN 104973651 A CN104973651 A CN 104973651A CN 201510414163 A CN201510414163 A CN 201510414163A CN 104973651 A CN104973651 A CN 104973651A
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention relates to a device and method for treating cyanobacterial bloom of eutrophic water. According to the invention, ultrasonic technology is adopted to remove cyanobacteria and to inhibit growth of cyanobacteria, and cyanobacterial bloom is prevented; solar energy is converted to electric energy for an ultrasonic and floating device, and self-supply of energy is realized; a propeller driven by an electric motor is added by means of wind energy and without power to enable the device to automatically float, the treatment area is enlarged, and the operation is relatively easy to control; and the outline of the device is designed as a streamline shape, the floating resistance is lowered, and the device is beneficial to float on water. According to the invention, solar energy is ultimately converted to ultrasonic, which is used for removing and inhibiting cyanobacteria on the surface of water; the device floats on the water, so that removal and inhibition of cyanobacteria are effectively realized at a large area, cyanobacterial bloom is treated, and the aquatic ecosystem is restored; and the operation cost is low. The method can fast and efficiently remove cyanobacteria, don't cause secondary pollution, and is a method for controlling cyanobacterial bloom.
Description
Technical field
The present invention relates to a kind of device and method administering eutrophication water blue algae wawter bloom.
Background technology
Blue-green alga bloom has become international environmental problem, and the blue-green alga bloom problem of China is also on the rise, and Different Waters breaks out blue-green alga bloom again and again, comprises large-scale Hu Ku as Taihu Lake, Dian Chi, Chaohu and reservoir area of Three Gorges, Urban water supply reservoir.The generation of control blue-green alga bloom has become international focus, difficulties.Traditional blue-green alga bloom administers the method usually adopting extensive killing blue algae, and these methods often cause Cells of Blue-green Algae to break, and cause frustule content, Algae toxins is discharged in water, forms secondary pollution to water body.These emergency processing method validity period are short, and provenance is removed not thorough, and complex process, energy consumption is high.
Ultrasonic technique is a kind of novel environmental technology that development in recent years is got up, cardinal principle is the disinfection byproduct (DBP), persistence organic pollutant, endocrine disrupter, Algae toxins, poisonous and hazardous hardly degraded organic substance etc. that are formed after utilizing the cavatition, radical effect etc. of ultrasonic generation directly to remove Mitsubishi converting furnace in water, sterilization, therefore, the application in water treatment is more and more extensive.The relevant research of nearly more than ten years shows that ultrasonic irradiation can destroy cellularstructure, suppress frustule growth division.The field research result of relevant scholar also shows, ultrasonic energy suppresses the propagation of Cells of Blue-green Algae to a certain extent.
Along with the development of society, environmental problem becomes increasingly conspicuous, and China's Eleventh Five-Year Plan outline proposes the demand for development of " energy-saving and emission-reduction ".The theory of energy-saving and emission-reduction not only embodies in daily life, but is raised to national policy status, and people start the coordinating and unifying development paying attention to environment and'economy.Solve the aim that environmental problem should act on energy-saving and emission-reduction equally, the intervening measure taked not only is wanted to solve main Environmental Problems, also will reduce environmental damage degree as far as possible, reduce energy-output ratio.
The present invention, by building floating type solar energy ultrasound wave algae-removing device, controls the bloom blue algae of eutrophication water, has good academic significance and engineering practical value.This device utilizes ultrasonic technology remove algae and suppress algal grown, prevents the generation of wawter bloom, it achieves noticeable achievement, running cost is low, and do not introduce other chemical substance, prevents traditional method from destroying secondary pollution of water caused by frustule method; Utilize sun power to power, cleanliness without any pollution, there is the advantage of energy-saving and emission-reduction; By wind energy without the need to power and additional motor drives water screw, make device realize automatically swimming, increase processing area, operation controls easily, and practicality is high.
Summary of the invention
The object of the invention is to, for the common blue-green alga bloom problem of eutrophication water, provide a kind of device and method administering eutrophication water blue algae wawter bloom, effectively to suppress the growth of eutrophication water blue algae; Utilize solar electrical energy generation, to reach the object of energy-saving and emission-reduction simultaneously.
For achieving the above object, technical scheme of the present invention is: a kind of device administering eutrophication water blue algae wawter bloom, comprise a hull run on the water surface with floating type mode of operation, floating type comprises floating and travelling, the front portion week side of described hull is provided with the some ultrasonic transducers removed for launching ultrasonic wave and suppress algal grown, the rear portion of described hull is inclined relative to horizontal and is provided with solar panels, these solar panels by the delivery of electrical energy of conversion to the electric supply installation be arranged on hull, use for whole device, the afterbody of described hull is provided with and realizes the travelling propellor of hull.
In an embodiment of the present invention, also comprise a ultrasonic generator be connected with described ultrasonic transducer, this ultrasonic generator is powered by described electric supply installation, and described ultrasonic generator is made up of signal generator and power amplifier.
In an embodiment of the present invention, described electric supply installation comprise connect successively controller for solar, store battery, for controlling time controller and the invertor of battery-operated time, described controller for solar and time controller are respectively used to the working hour controlling solar panels and store battery, to ensure that generated energy is lower than capacity of the accumulator, the DC conversion that described invertor is used for store battery to export is 220V alternating-current, exports to described signal generator.
In an embodiment of the present invention, described propellor comprises the motor speed-regulating switch, electric motor and the water screw that are connected with described time controller; Described motor speed-regulating switch controls the rotating speed of water screw by controlling electric motor, to control the travelling speed of hull on the water surface, and then control whole device except algae sphere of action.
In an embodiment of the present invention, the output rating of described solar panels is 50W ~ 200W, and every day, electrogenesis amount can make plant running 60min ~ 120min; Described supersonic transducer frequency scope 20kHz ~ 100kHz.
In an embodiment of the present invention, described apparatus design profile adopts the widest part to be placed in middle air foil rearward; Described device also comprises one for controlling the sail of hull swimming direction.
Present invention also offers a kind of method adopting the improvement eutrophication water blue algae wawter bloom of the device of improvement eutrophication water blue algae wawter bloom described above, comprise the steps,
Step S1: when controller for solar detects that the generated energy of solar panels reaches preset value, store battery exports direct current supply invertor and motor speed-regulating switch by time controller, is converted to 220V alternating-current, exports to ultrasonic generator through invertor;
Step S2: ultrasonic generator converts electric energy to the high-frequency ac electrical signal matched with ultrasonic transducer, launches CF ultrasonic wave to water body, to utilize the ultrasonic cavatition caused to destroy Cells of Blue-green Algae structure, suppresses frustule division growth; Meanwhile, motor speed-regulating switch controls the rotating speed of water screw by electric motor, to control the travelling speed of hull on the water surface, and then controls hyperacoustic sphere of action;
Step S3: when the electricity of store battery is lower than predetermined charge value, stop the power supply to ultrasonic generator and electric motor, whole device is out of service, until controller for solar detects that the generated energy of solar panels reaches preset value next time.
In an embodiment of the present invention, the hyperacoustic frequency of described CF is 40kHz.
Compared to prior art, the present invention has following beneficial effect:
The present invention overcomes high, the complex process of cost that traditional algae-removing method exists, there is the problems such as secondary pollution risk; Sun power finally can be changed into ultrasonic wave by the algae-removing device that the present invention builds, and swims in water surface, and big area is efficiently except algae algal control, and administer wawter bloom to repair aquatic ecosystem, running cost is low, has the following advantages:
One) sail and propellor, makes apparatus of the present invention travelling on the water surface, expands active area, enhance practicality;
Two) adopt clean energy-sun power, realize power self-support, do not produce any waste gas waste water, real " energy-conserving and environment-protective ";
Three) apparatus design profile is streamlining, makes device swim in the water surface, reach the object of large-area treatment superficial water bloom algae in conjunction with sail structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is structural representation of the present invention.
Fig. 3 is fundamental diagram of the present invention.
In figure: 1-ultrasonic generator; 2-ultrasonic transducer; 3-solar panels; 4-water screw; 5-electric supply installation.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is specifically described.
A kind of device administering eutrophication water blue algae wawter bloom of the present invention, comprise a hull run on the water surface with floating type mode of operation, floating type comprises floating and travelling, the front portion week side of described hull is provided with removes for launching ultrasonic wave and suppresses some ultrasonic transducers of algal grown (also to comprise a ultrasonic generator be connected with described ultrasonic transducer, this ultrasonic generator is powered by described electric supply installation, described ultrasonic generator is made up of signal generator and power amplifier), the rear portion of described hull is inclined relative to horizontal and is provided with solar panels, these solar panels by the delivery of electrical energy of conversion to the electric supply installation be arranged on hull, use for whole device, the afterbody of described hull is provided with and realizes the travelling propellor of hull (described propellor comprises the motor speed-regulating switch be connected with described time controller, electric motor and water screw, described motor speed-regulating switch controls the rotating speed of water screw by controlling electric motor, to control the travelling speed of hull on the water surface, and then control whole device except algae sphere of action), also comprise one for controlling the sail of hull swimming direction.Described electric supply installation comprise connect successively controller for solar, store battery, for controlling time controller and the invertor of battery-operated time, described controller for solar and time controller are respectively used to the working hour controlling solar panels and store battery, to ensure that generated energy is lower than capacity of the accumulator, the DC conversion that described invertor is used for store battery to export is 220V alternating-current, exports to described signal generator.
The output rating of described solar panels is 50W ~ 200W, and every day, electrogenesis amount can make plant running 60min ~ 120min.Described supersonic transducer frequency scope 20kHz ~ 100kHz.Described apparatus design profile adopts the widest part to be placed in middle air foil rearward.
Present invention also offers a kind of method adopting the improvement eutrophication water blue algae wawter bloom of said apparatus, comprise the steps,
Step S1: when controller for solar detects that the generated energy of solar panels reaches preset value, store battery exports direct current supply invertor and motor speed-regulating switch by time controller, is converted to 220V alternating-current, exports to ultrasonic generator through invertor;
Step S2: ultrasonic generator converts electric energy to the high-frequency ac electrical signal matched with ultrasonic transducer, CF ultrasonic wave is launched (in embodiments of the present invention to water body, the hyperacoustic frequency of described CF is 40kHz), to utilize the ultrasonic cavatition caused to destroy Cells of Blue-green Algae structure, suppress frustule division growth; Meanwhile, motor speed-regulating switch controls the rotating speed of water screw by electric motor, to control the travelling speed of hull on the water surface, and then controls hyperacoustic sphere of action;
Step S3: when the electricity of store battery is lower than predetermined charge value, stop the power supply to ultrasonic generator and electric motor, whole device is out of service, until controller for solar detects that the generated energy of solar panels reaches preset value next time.
It is below a specific embodiment of the present invention.
The device of improvement eutrophication water blue algae wawter bloom of the present invention, its structural representation as depicted in figs. 1 and 2.When illumination condition is good, solar panels 3 and electric supply installation 5 convert solar energy into electrical energy, and are stored in store battery.Electric supply installation 5 mainly comprises: controller for solar, store battery, time controller and invertor, and wherein controller for solar and time controller control the working hour of solar panels and store battery respectively, to ensure that generated energy is lower than capacity of the accumulator.When generated energy reaches certain value, store battery to ultrasonic generator 1 and motor, ultrasonic algae-removing device startup optimization.
Fig. 3 is device fundamental diagram, and the direct current in store battery is converted into 220V alternating-current through invertor, is delivered to ultrasonic generator.Ultrasonic generator 1 is made up of signal generator and power amplifier, converts electric energy to the high-frequency ac electrical signal matched with ultrasonic transducer 2, and water body launches CF ultrasonic wave.Motor speed-regulating switch and motor drive water screw rotate with certain rotating speed, with the travelling speed of control device on the water surface, and then the sphere of action of control device.
Through previous experiments, think that device has good removal effect to the algae in natural water when ultrasonic frequency is 40kHz.Summer is algal grown vigorous season, therefore calculates the generated energy of solar cell by effective light application time every day in summer.Calculate by effective illumination 4.87h every day, the generated energy of solar cell is about 390Wh/d, then can open for device and run 70min.Designed device is when floating on water, and draft 10cm ~ 15cm, can make ultrasonic transducer contact with surface water, utilizes the ultrasonic cavatition caused to destroy Cells of Blue-green Algae structure, suppresses frustule division growth, reach the object of administering blue-green alga bloom.
Be more than preferred embodiment of the present invention, all changes done according to technical solution of the present invention, when the function produced does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (8)
1. administer the device of eutrophication water blue algae wawter bloom for one kind, it is characterized in that: comprise a hull run on the water surface with floating type mode of operation, floating type comprises floating and travelling, the front portion week side of described hull is provided with the some ultrasonic transducers removed for launching ultrasonic wave and suppress algal grown, the rear portion of described hull is inclined relative to horizontal and is provided with solar panels, these solar panels by the delivery of electrical energy of conversion to the electric supply installation be arranged on hull, use for whole device, the afterbody of described hull is provided with and realizes the travelling propellor of hull.
2. a kind of device administering eutrophication water blue algae wawter bloom according to claim 1, it is characterized in that: also comprise a ultrasonic generator be connected with described ultrasonic transducer, this ultrasonic generator is powered by described electric supply installation, and described ultrasonic generator is made up of signal generator and power amplifier.
3. a kind of device administering eutrophication water blue algae wawter bloom according to claim 2, it is characterized in that: described electric supply installation comprise connect successively controller for solar, store battery, for controlling time controller and the invertor of battery-operated time, described controller for solar and time controller are respectively used to the working hour controlling solar panels and store battery, to ensure that generated energy is lower than capacity of the accumulator, the DC conversion that described invertor is used for store battery to export is 220V alternating-current, exports to described signal generator.
4. a kind of device administering eutrophication water blue algae wawter bloom according to claim 3, is characterized in that: described propellor comprises the motor speed-regulating switch, electric motor and the water screw that are connected with described time controller; Described motor speed-regulating switch controls the rotating speed of water screw by controlling electric motor, to control the travelling speed of hull on the water surface, and then control whole device except algae sphere of action.
5. a kind of device administering eutrophication water blue algae wawter bloom according to claim 1, is characterized in that: the output rating of described solar panels is 50W ~ 200W, and every day, electrogenesis amount can make plant running 60min ~ 120min; Described supersonic transducer frequency scope 20kHz ~ 100kHz.
6. a kind of device administering eutrophication water blue algae wawter bloom according to claim 1, is characterized in that: described apparatus design profile adopts the widest part to be placed in middle air foil rearward; Described device also comprises one for controlling the sail of hull swimming direction.
7. adopt a method for the improvement eutrophication water blue algae wawter bloom of the device of improvement eutrophication water blue algae wawter bloom according to claim 4, it is characterized in that: comprise the steps,
Step S1: when controller for solar detects that the generated energy of solar panels reaches preset value, store battery exports direct current supply invertor and motor speed-regulating switch by time controller, is converted to 220V alternating-current, exports to ultrasonic generator through invertor;
Step S2: ultrasonic generator converts electric energy to the high-frequency ac electrical signal matched with ultrasonic transducer, launches CF ultrasonic wave to water body, to utilize the ultrasonic cavatition caused to destroy Cells of Blue-green Algae structure, suppresses frustule division growth; Meanwhile, motor speed-regulating switch controls the rotating speed of water screw by electric motor, to control the travelling speed of hull on the water surface, and then controls hyperacoustic sphere of action;
Step S3: when the electricity of store battery is lower than predetermined charge value, stop the power supply to ultrasonic generator and electric motor, whole device is out of service, until controller for solar detects that the generated energy of solar panels reaches preset value next time.
8. a kind of method of administering eutrophication water blue algae wawter bloom according to claim 7, is characterized in that: the hyperacoustic frequency of described CF is 40kHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510414163.9A CN104973651A (en) | 2015-07-15 | 2015-07-15 | Device and method for treating cyanobacterial bloom of eutrophic water |
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| CN201510414163.9A CN104973651A (en) | 2015-07-15 | 2015-07-15 | Device and method for treating cyanobacterial bloom of eutrophic water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105668698A (en) * | 2016-04-05 | 2016-06-15 | 福州大学 | Flotation device and method for treating cyanobacterial bloom in eutrophicated water body |
| CN107628670A (en) * | 2017-11-13 | 2018-01-26 | 哈尔滨工业大学 | A kind of suppression removing algae ultrasonic unit and method for water delivery open channel area of slack water |
| CN112110516A (en) * | 2020-09-08 | 2020-12-22 | 扬州阿鲁达环境科技有限公司 | Novel method for treating and restoring black and odorous water ecology |
| CN114314747A (en) * | 2022-01-18 | 2022-04-12 | 福州大学 | Solar floating device and method integrating algae storage and ultrasonic algae inhibition |
-
2015
- 2015-07-15 CN CN201510414163.9A patent/CN104973651A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105668698A (en) * | 2016-04-05 | 2016-06-15 | 福州大学 | Flotation device and method for treating cyanobacterial bloom in eutrophicated water body |
| CN107628670A (en) * | 2017-11-13 | 2018-01-26 | 哈尔滨工业大学 | A kind of suppression removing algae ultrasonic unit and method for water delivery open channel area of slack water |
| CN112110516A (en) * | 2020-09-08 | 2020-12-22 | 扬州阿鲁达环境科技有限公司 | Novel method for treating and restoring black and odorous water ecology |
| CN114314747A (en) * | 2022-01-18 | 2022-04-12 | 福州大学 | Solar floating device and method integrating algae storage and ultrasonic algae inhibition |
| CN114314747B (en) * | 2022-01-18 | 2024-03-01 | 福州大学 | Solar floating device and method integrating algae storage and ultrasonic algae inhibition |
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Application publication date: 20151014 |
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