CN105060394A - Regularly monitoring ultrasonic algae inhibiting and algae removing system and method - Google Patents
Regularly monitoring ultrasonic algae inhibiting and algae removing system and method Download PDFInfo
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Abstract
The invention discloses a regularly monitoring ultrasonic algae inhibiting and algae removing system. The system comprises a main rack, an ultrasonic emitter unit mounted on the main rack, a monitoring unit used for monitoring water quality and controlling work of the ultrasonic emitter unit, and an energy supply unit. The algae inhibiting and algae removing system also comprises a timing unit, used for discontinuously starting the monitoring unit. The monitoring unit comprises a sensor fixing rack, and a chlorophyll alpha sensor, a phycocyanin sensor, a pH value sensor,a quantity-of-suspended-solids sensor, a dissolved-oxygen sensor and a temperature sensor that are mounted on the sensor fixing rack. The ultrasonic emitter unit comprises an ultrasonic transducer and a control module. The invention also discloses a regularly monitoring ultrasonic algae inhibiting and algae removing method. After a long-term use of the regularly monitoring ultrasonic algae inhibiting and algae removing system and method, the blue-green algae density of a working area is maintained in a safe range, and occurrences of an algal bloom are avoided. The regularly monitoring ultrasonic algae inhibiting and algae removing system and method are low in energy consumption, have good algae inhibiting and algae removing effects, and are high in economic benefits.
Description
Technical field
The present invention relates to algae and water removal technology, particularly a kind of ultrasonic wave algal control of periodic monitor is except algae system and method.
Background technology
The wawter bloom phenomenon (blue-green algae amount reproduction) that body eutrophication causes is increased and serious in waters such as lakes, causes huge loss and disaster to environment and economy.First supersonic algae removing device started to be applied in open waters in 1999 in the world, up to the present, develop into and a kind of there is the extremely strong matured product killing algae function, existing tens countries promote the use of in the world, be proved to be one the most simply, the most effective environmental protection algae removal technology, no matter be foaming type algae, floatation type algae or have the algae of root effectively to eliminate.
Application number is that CN201410046048 Chinese patent literature discloses a kind of solar water surface except phytem system and water surface algae-removing method, patent adopts solar electrical energy generation function, utilize ultrasonic wave, ultraviolet, algicide and oxygenation aeration four kinds to remove algae mode to combine, the circulation of surrounding above mediad from below of work area water body is realized, water monitoring device, algae-removing device start work in 24 hours by water circle device.This method effectively can suppress the growth of algae in work area, but work area scope is little, is difficult to carry out except algae algal control to waters in a big way; Without stationary installation, be subject to water currents and drift to non-active area and even lose, be subject to Lidar Equation and turn on one's side; Algae can produce too much Algae toxins by ultrasonic irradiation overlong time, affects water quality.
Application number is that the Chinese patent literature of CN201410554121 discloses a kind of ultrasonic algae removing method based on solar electrical energy generation and equipment, patent adopts sun power sail driving arrangement advance and collect algae, process algae by ultrasonic wave, the algae after process filters and obtains algae-residue and carry out mummification and collection.This method can realize effectively removing algae effect in little working range, the algae-residue after reason is shifted out ecosystem system, can reduce the content of element in water body such as nitrogen phosphorus, except algae is thorough.But this equipment does not have rudder and motion control device, cannot move when there is no wind, can not continuous operation be carried out; Under current Lidar Equation operating path be difficult to control, extensive area except algae effect undesirable; May turn on one's side when stormy waves is larger; Do not have monitoring device, need more human assistance, intelligence degree is low, is difficult to carry out algal control at Best Times.
In visible prior art algae removal technology exist work area little, in a big way except algae effect is undesirable, wind and wave resistance is poor, be difficult to remain on for a long time work area work, the power consumption of observation process high deficiency.
Summary of the invention
The invention provides a kind of ultrasonic wave algal control of periodic monitor except phytem system, without the need to non-stop run, select different ultrasonic wave to carry out except algae or algal control according to the situation of water quality, energy consumption is low, press down removing algae effective, after life-time service, make the algae of operation water body remain on safety range.
A kind of ultrasonic wave algal control of periodic monitor is except phytem system, comprise main body rack, and be arranged on ultrasonic transmitting element on main body rack, for monitoring water quality and controlling monitoring means and the supply unit of ultrasonic transmitting element work, described algal control also comprises timing unit except phytem system, starts monitoring means for discontinuity;
Described monitoring means is fixed on the below of main body rack, and described monitoring means comprises sensor fixed support and is arranged on chlorophyll a sensor, phycocyanin sensor, pH sensor, suspended solids quantity sensor, dissolved oxygen sensor and the temperature sensor on sensor fixed support;
Described ultrasonic transmitting element comprises ultrasonic transducer and control unit, and described control unit receives the monitoring result of monitoring means, and controls according to monitoring result ultrasonic wave that ultrasonic transducer sends corresponding power and frequency and carry out algal control or except algae.
The present invention is provided with timing unit, and control the work of monitoring means discontinuity, discontinuity and separated in time, avoid the problem that system non-stop run energy consumption is high; Monitoring means is provided with the sensor of multiple monitoring different quality index, can the water quality condition of accurate measurements water body, controls described ultrasonic transmitting element and efficiently works, avoid idle work, energy efficient; Also be provided with the ultrasonic wave that can send different capacity and frequency according to Analysis Results of Water Quality and carry out algal control or the ultrasonic transmitting element except algae, with strong points, to press down removing algae effective, reduces energy consumption further.
The ultrasonic wave of corresponding power and frequency refers in control unit the ultrasonic wave being preset with multiple power and frequency, and according to monitoring result, the ultrasonic wave sending different capacity and frequency is carried out algal control respectively or removes algae.
Preferably, described ultrasonic transducer is fixed on the below of main body rack, is provided with at least three, around layout, ultrasonic wave is launched to surrounding.Arrange the system after around at least three ultrasonic transducer combinations of arranging, without the need to rotating and other supplementary modes, can carry out the circular waters in working radius effectively except algae algal control work, working efficiency is high, and device structure is simple.
Install in water surface for the ease of system, preferably, also comprise floatation unit, this floatation unit is the floating block of integral type, described main body rack is fixedly connected with around floating block, and described floating block and main body rack are rectangle, and integral structure contributes to the steady of keeping system entirety.Main body rack is aluminum alloy outer frame frame, and inner filling foamed plastics is as floating block.
In order to the ultrasonic wave of launching can waters around covering system, preferably, described ultrasonic transducer is provided with four that are arranged symmetrically with between two, is separately fixed on the symmetry axis of the floating block of rectangle.
In order to prevent system drifting work waters, preferably, also comprise positioning unit, described positioning unit is provided with two groups, and often group comprises the traction rope of connection floating block bottom surface, one end and is fixed on the preset pieces of the traction rope the other end; The traction rope of two groups is separately fixed on two diagonal angles of rectangle floating block.
Said structure makes the impact that system is being subject to stormy waves can be returned to original position by the pulling force of traction rope afterwards, and the wind-force needed for simultaneously turning on one's side also increases greatly, improves capacity of anti-storm.Preset pieces and the larger cubes weight of quality, for location, main raw can adopt concrete, easily obtains, and cost is lower.
Preferably, described supply unit comprises: be fixed on the top of main body rack, secondary battery for powering, for the solar panel of battery charging and charging-discharging controller, and by the invertor of the converting direct-current power into alternating-current power of secondary battery.Adopt solar panel to provide energy and batteries to store energy, energy-conserving and environment-protective, working order is little by weather effect.
Preferably, also comprise the wireless communication module be arranged on main body rack, thus automatic job and remote handle operation that algal control removes phytem system can be implemented according to demand, reduce human cost, by the maximum effect of System Cleaning wawter bloom.
The invention also discloses a kind of ultrasonic wave algal control algae-removing method of periodic monitor, phytem system is removed by the ultrasonic wave algal control of above-mentioned periodic monitor, periodic monitor water quality, without the need to work in 24 hours, different ultrasonic wave is selected to carry out except algae or algal control according to the situation of water quality, energy consumption is low, presses down removing algae effective.
A ultrasonic wave algal control algae-removing method for periodic monitor, uses the ultrasonic wave algal control of above-mentioned periodic monitor except phytem system, comprises the following steps:
(1) ultrasonic wave algal control is removed phytem system and put into work water body, discontinuity monitoring water body, the monitoring index of water body is chlorophyll-a concentration, phycocyanin concentration, pH value, suspended solid amount, dissolved oxygen concentration and water temperature;
(2) according to the monitoring result of step (1), the ultrasonic wave that control ultrasonic transducer sends corresponding power and frequency to water body is carried out algal control or removes algae.
The ultrasonic wave of corresponding power and frequency refers to the ultrasonic wave being preset with multiple power and frequency, and according to monitoring result, the ultrasonic wave sending different capacity and frequency is carried out algal control respectively or removes algae.
The inventive method controls the work of monitoring means discontinuity, avoids the problem that system non-stop run energy consumption is high; Monitoring multiple-quality water index, can the water quality condition of accurate measurements water body, controls described ultrasonic transmitting element and efficiently works, avoid idle work, energy efficient; The ultrasonic wave sending different capacity and frequency according to Analysis Results of Water Quality carries out algal control or except algae, with strong points, to press down removing algae effective, reduces energy consumption further.
Preferably, according to the monitoring result of step (1), the ultrasonic wave sending corresponding power and frequency to water body is carried out algal control, except the detailed process of algae or attonity is:
2-1 is 7.5 ~ 8.5 when monitoring at pH, water temperature is not less than 24 degrees Celsius, suspended solid amount is under the condition of 22 ~ 50NTV, when three indexs have at least two to occur below: chlorophyll-a concentration is more than 46mg/L, phycocyanin concentration is more than 143mg/L, and dissolved oxygen concentration, lower than 3.6mg/L, namely judges the tendency condition meeting algal bloom, send to water body the ultrasonic wave that frequency is 180 ~ 220kHz, power is 40 ~ 60W and carry out algal control, irradiation is 4min at least;
Above-mentioned water quality situation is judged the tendency condition meeting algal bloom, the ultrasonic wave that frequency of utilization is 180 ~ 220kHz, power is 40 ~ 60W has good inhibition to this kind of water quality, radiated time controls at more than 4min, both effectively can suppress algae.High frequency, superpower all can increase energy consumption, and reducing frequency and power again can impact effect, carries out preferably through experiment, in step 2-1, ultrasonic frequency is 200 ~ 220kHz, and power is 48 ~ 52W, preferred further, ultrasonic frequency is 200kHz, and power is 50W.
2-2 is 7.5 ~ 8.5 when monitoring at pH, water temperature is more than 24 degrees Celsius, suspended solid amount is under the condition of 22 ~ 50NTV, three indexs have at least two appearance below: chlorophyll-a concentration is more than 68mg/L, phycocyanin concentration is more than 171mg/L, and dissolved oxygen concentration, lower than 2.8mg/L, judges that meeting wawter bloom breaks out condition, send to water body the ultrasonic wave that frequency is 18 ~ 22kHz, power is 60 ~ 80W to carry out except algae, irradiation is 7min at least.
Above-mentioned water quality situation is judged meeting wawter bloom breaks out condition, the ultrasonic wave that frequency of utilization is 20 ~ 22kHz, power is 60 ~ 80W has good in algae effect to this kind of water quality, radiated time controls at more than 7min, both effectively can remove algae; High frequency, superpower all can increase energy consumption, and reducing frequency and power again can impact effect, and carry out preferably through experiment, ultrasonic frequency is 19 ~ 21kHz, and power is 68 ~ 72W; Preferred further, ultrasonic frequency is 20kHz, and power is 70W.
Preferably, the interval time of discontinuity monitoring water body is 3 ~ 5 hours.Under above-mentioned interval time, the algae of operation water body effectively can be remained on safety range by the present invention.
When monitoring result does not meet above-mentioned condition, then system does not work.
Beneficial effect of the present invention:
The present invention passes through timing unit, control the work of monitoring means discontinuity, monitoring means is provided with the sensor of multiple monitoring different quality index simultaneously, can the water quality condition of accurate measurements water body, control described ultrasonic transmitting element efficiently to work, avoid consumed energy on one's own time, energy efficient; Also be provided with the ultrasonic wave that can send different capacity and frequency according to Analysis Results of Water Quality and carry out algal control or the ultrasonic transmitting element except algae, with strong points, press down removing algae effective, further reduction energy consumption, after life-time service, the blue-green algae density of operating area remains on safety range, avoid the generation of wawter bloom, in lake, but unhurried current river course, uses in the waters such as reservoir in and has good removing algae effect and economic benefit.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is left view of the present invention.
Fig. 3 is upward view of the present invention.
Fig. 4 is vertical view of the present invention.
Figure comprises: buoyancy aid 1, aluminum alloy outer frame frame 2, suspension ring 3, preset pieces 4, traction rope 5, ultrasonic transducer 6, transducer mount 7, nut 8, screw rod 9, multisensor support 10, screw 11, pad 12, dual-mode antenna 13, solar panel outside framework 14, solar panel 15, screw 16, pad 17, solar panel base 18, rivet 19, solar-cell panel support 20, protective housing 21, screw 22, screw 23, secondary battery 24, total control module 25, control module 26, transmission circuit module 27, charging-discharging controller 28, invertor 29, terminal box 30, pH sensor 31, dissolved oxygen sensor 32, temperature sensor 33, suspended solids quantity sensor 34, chlorophyll a sensor 35, phycocyanin sensor 36.
Embodiment
As shown in figures 1-4, the solar energy ultrasound wave algal control of the present embodiment removes phytem turnkey and draws together: buoyancy aid 1 (floating block), around the aluminum alloy outer frame frame 2 (main body rack) be fixed on buoyancy aid 1, solar panel 15 is fixed together by rivet 19 and solar panel outside framework 14, solar panel outside framework 14 is connected with solar-cell panel support 20 and solar panel base 18, is fixed on above the aluminum alloy outer frame frame 2 of buoyancy aid 1 respectively by screw 23 and screw 16 and pad 17.
Buoyancy aid 1 and aluminum alloy outer frame frame 2 are rectangle, 4 ultrasonic transducers 6 lay respectively at the mid-way of the four edges below buoyancy aid 1, symmetrical, clamped by transducer mount 7 by the effect that steps up of screw rod 9 and nut 8, transducer mount 7 screw 11 and pad 12 are fixed on the aluminum alloy outer frame frame 2 of buoyancy aid 1; Chlorophyll a sensor 35, phycocyanin sensor 36, pH sensor 31, dissolved oxygen sensor 32, suspended solids quantity sensor 34 and temperature sensor 38 are connected with multisensor support 10, multiple clamping ports of multisensor support 10 clamp each sensor respectively, and multisensor support 10 is screwed immediately below the aluminum alloy outer frame frame 2 of buoyancy aid 1.
Preset pieces 4 connects buoyancy aid by traction rope 5, traction rope 5 is bundled on the suspension ring 3 below buoyancy aid 1, suspension ring 3 are positioned at one jiao below buoyancy aid 1, buoyancy aid 1 is to angular distribution, descend preset pieces 4 generally within the vertical lower of suspension ring 3 in working order, the dual-mode antenna 13 for cableless communication is fixed on the aluminum alloy outer frame frame 2 of buoyancy aid 1.
When native system being put into work water body, first the traction rope length of suitable positioning unit is selected according to the depth of water in operation waters, with ship or truck after near equipment conveying to work waters, pass through lifting appliance, equipment is hung the optimum position in operation waters, the preset pieces of positioning unit sinks under water, and under the effect of positioning unit, equipment work position is fixed.There is low-angle upset in buoyancy aid relative level face after by wind wave action, uneven to angular distribution preset pieces applied moment, and resupinate side moment becomes large, hinders the relative upset of buoyancy aid, prevents rollover.
Also be provided with charging-discharging controller 28, invertor 29, terminal box 30, secondary battery 24, total control module 25, control module 26, transmission circuit module 27 be arranged in protective housing 21 li, protective housing 21 is by being fixed on the aluminum alloy outer frame frame 2 of buoyancy aid 1 angular distribution screw 22.
Be provided with the control module controlling the sensor work, control module timing start-up every day works.
Use the ultrasonic wave algal control of the periodic monitor of the present embodiment to unite except phytem to carry out, comprise the following steps:
(1) by the ultrasonic wave algal control of periodic monitor except phytem system is put into and is treated work water body;
(2) interval 4h monitors water body, and the monitoring index of water body is chlorophyll-a concentration, phycocyanin concentration, pH value, suspended solid amount, dissolved oxygen concentration and water temperature;
2-1 is when pH is between 7.8 ~ 8.1, water temperature is more than 24 degrees Celsius, suspended solid amount is under 22 ~ 50NTV condition, and three have two appearance below: chlorophyll-a concentration is more than 46mg/L, and phycocyanin concentration is more than 143mg/L, dissolved oxygen concentration is lower than 3.6mg/L, namely judge the tendency condition meeting algal bloom, open ultrasonic transducer, sending ultrasonic frequency is 200kHz, power is 50W, and irradiation time is that the ultrasonic wave of 4min carries out algal control;
2-2 is when pH is between 7.8 ~ 8.1, water temperature is more than 24 degrees Celsius, suspended solid amount is at 22 ~ 50NTV, and three have two appearance below: chlorophyll-a concentration is more than 68mg/L, and phycocyanin concentration is more than 171mg/L, dissolved oxygen concentration is lower than 2.8mg/L, judge that meeting wawter bloom breaks out condition, open ultrasonic transducer, sending ultrasonic frequency is 20kHz, power is 70W, and irradiation time is that the ultrasonic wave of 7min is carried out except algae;
All the other monitoring results of 2-3 then do not work.
(3) record the monitoring of water body, and data sent out by wireless communication module, send water monitoring data to base station, and accept the supervision of base station, base station can control system implementation if desired.
Following table embodies ul-trasonic irradiation frequency for the impact of water body effect of algae restraint of tendency condition meeting algal bloom, control group does not carry out ultrasonic wave algal control, all the other are respectively organized and carry out algal control with the ultrasonic wave of different frequency by aforesaid method respectively, ultrasonication time 4min, ultrasonic power 50W, acts on the changing conditions (increment and the ratio starting algae density when processing of the algae density namely after three days) of algae density after 3 days.
Can find out, the control group algae not carrying out ultrasonic wave algal control grows fast, and ultrasonic wave is inhibited to algae, wherein steady more than effect of algae restraint after 200kHz, therefore, when hyperacoustic frequency is 200kHz, takes into account effect of algae restraint and economic benefit.
Following table is the ul-trasonic irradiation time for the impact of water body effect of algae restraint of tendency condition meeting algal bloom, control group does not carry out ultrasonic wave algal control, all the other ultrasonic wave respectively organizing different time respectively carry out algal control by aforesaid method, ultrasonic frequency 200kHz, ultrasonic power 50W, acts on the changing conditions (increment and the ratio starting algae density when processing of the algae density namely after three days) of algae density after 3 days.
Can find out, the control group algae not carrying out ultrasonic wave algal control grows fast, and ultrasonic wave is inhibited to algae, wherein sonication times is more than 4min, and rear effect of algae restraint is steady, therefore, when ultrasonic treatment time is 4min, take into account effect of algae restraint and economic benefit.
Following table embodies ul-trasonic irradiation frequency for meeting the impact except algae effect of water body that wawter bloom broken out condition, control group does not carry out supersonic algae removing, all the other are respectively organized and are undertaken except algae with the ultrasonic wave of different frequency by aforesaid method respectively, ultrasonication time 7min, ultrasonic power 70W, acts on the changing conditions (reduction and the ratio starting algae density when processing of the algae density namely after three days) of algae density after 3 days.
Can find out, the control group algae density not carrying out supersonic algae removing is constant, is not removed, ultrasonic wave has removal effect to algae, wherein 20 ~ 50kHz except algae effect best, therefore, when hyperacoustic frequency is 20kHz, take into account except algae effect and economic benefit.
Following table is the ul-trasonic irradiation time for the impact of water body except algae effect meeting wawter bloom and broken out condition, control group does not carry out supersonic algae removing, all the other ultrasonic wave respectively organizing different time are respectively undertaken except algae by aforesaid method, ultrasonic frequency 20kHz, ultrasonic power 70W, acts on the changing conditions (reduction and the ratio starting algae density when processing of the algae density namely after three days) of algae density after 3 days.
Can find out, the control group algae density not carrying out supersonic algae removing is constant, is not removed, ultrasonic wave has removal effect to algae, and wherein sonication times is steady more than removing algae effect after 7min, therefore, when ultrasonic treatment time is about 7min, take into account except algae effect and economic benefit.
In sum, the ultrasonic wave algal control of the periodic monitor of the present embodiment, except algae system and method, without the need to supplementary modes such as rotations, can carry out operation in the circular waters wider to scope; Sensor periodic monitor provides warning function, algal control is carried out after analysis is judged to be blue-green algae outburst tendency, be judged to carry out except algae after blue-green algae is broken out in analysis, Monitoring systems and ultrasonic emitting system were without the need to work in 24 hours, consume energy low, after life-time service, the blue-green algae density of operating area remains on safety range, avoids the generation of wawter bloom; Preset pieces adds traction rope provides position to reply and wind wave prevention ability.Adopt supersonic algae removing, except algae efficiency is high; Harmless to organism in water, non-secondary pollution, contributes to the eubiosis safeguarding waters.Adopt solar panel to provide energy and batteries to store energy, energy-conserving and environment-protective, working order is little by weather effect; Also can implement automatic job and remote handle operation that algal control removes phytem system according to demand, reduce human cost, by the maximum effect of System Cleaning wawter bloom.
Claims (10)
1. the ultrasonic wave algal control of a periodic monitor is except phytem system, comprise main body rack, and be arranged on ultrasonic transmitting element on main body rack, for monitoring water quality and controlling monitoring means and the supply unit of ultrasonic transmitting element work, it is characterized in that, described algal control also comprises timing unit except phytem system, starts monitoring means for discontinuity;
Described monitoring means comprises sensor fixed support and is arranged on chlorophyll a sensor, phycocyanin sensor, pH sensor, suspended solids quantity sensor, dissolved oxygen sensor and the temperature sensor on sensor fixed support;
Described ultrasonic transmitting element comprises ultrasonic transducer and control unit, and described control unit receives the monitoring result of monitoring means, and controls according to monitoring result ultrasonic wave that ultrasonic transducer sends corresponding power and frequency and carry out algal control or except algae.
2. the ultrasonic wave algal control of periodic monitor as claimed in claim 1 is except phytem system, and it is characterized in that, described ultrasonic transducer is fixed on the below of main body rack, is provided with at least three, around layout, ultrasonic wave is launched to surrounding.
3. the ultrasonic wave algal control of periodic monitor as claimed in claim 1 is except phytem system, and it is characterized in that, also comprise floatation unit, this floatation unit is the floating block of integral type, and described main body rack is fixedly connected with around floating block, and described floating block and main body rack are rectangle.
4. the ultrasonic wave algal control of periodic monitor as claimed in claim 3 is except phytem system, and it is characterized in that, described ultrasonic transducer is provided with four that are arranged symmetrically with between two, is separately fixed on the symmetry axis of the floating block of rectangle.
5. the ultrasonic wave algal control of the periodic monitor as described in claim 3 or 4 is except phytem system, it is characterized in that, also comprise positioning unit, described positioning unit is provided with two groups, and often group comprises the traction rope of connection floating block bottom surface, one end and is fixed on the preset pieces of the traction rope the other end;
The traction rope of two groups is separately fixed on two diagonal angles of rectangle floating block.
6. a ultrasonic wave algal control algae-removing method for periodic monitor, is characterized in that, uses the ultrasonic wave algal control of the periodic monitor as described in claim as arbitrary in Claims 1 to 5 except phytem system, comprises the following steps:
(1) ultrasonic wave algal control is removed phytem system and put into work water body, discontinuity monitoring water body, the monitoring index of water body is chlorophyll-a concentration, phycocyanin concentration, pH value, suspended solid amount, dissolved oxygen concentration and water temperature;
(2) according to the monitoring result of step (1), the ultrasonic wave that control ultrasonic transducer sends corresponding power and frequency to water body is carried out algal control or removes algae.
7. the ultrasonic wave algal control algae-removing method of the periodic monitor as described in claim as arbitrary in claim 1-6, is characterized in that, in step (1), the interval time of discontinuity monitoring water body is 3 ~ 5 hours.
8. the ultrasonic wave algal control algae-removing method of periodic monitor as claimed in claim 7, is characterized in that, according to the monitoring result of step (1), the ultrasonic wave sending corresponding power and frequency to water body is carried out algal control, except the detailed process of algae or attonity is:
2-1 is 7.5 ~ 8.5 when monitoring at pH, water temperature is not less than 24 degrees Celsius, suspended solid amount is under the condition of 22 ~ 50NTV, when three indexs have at least two to occur below: chlorophyll-a concentration is more than 46mg/L, phycocyanin concentration is more than 143mg/L, and dissolved oxygen concentration, lower than 3.6mg/L, namely judges the tendency condition meeting algal bloom, send to water body the ultrasonic wave that frequency is 180 ~ 220kHz, power is 40 ~ 60W and carry out algal control, irradiation is 4min at least;
2-2 is 7.5 ~ 8.5 when monitoring at pH, water temperature is more than 24 degrees Celsius, suspended solid amount is under the condition of 22 ~ 50NTV, three indexs have at least two appearance below: chlorophyll-a concentration is more than 68mg/L, phycocyanin concentration is more than 171mg/L, and dissolved oxygen concentration, lower than 2.8mg/L, judges that meeting wawter bloom breaks out condition, send to water body the ultrasonic wave that frequency is 18 ~ 22kHz, power is 60 ~ 80W to carry out except algae, irradiation is 7min at least.
9. the ultrasonic wave algal control algae-removing method of periodic monitor as claimed in claim 8, it is characterized in that, in step 2-1, ultrasonic frequency is 200 ~ 220kHz, and power is 48 ~ 52W.
10. the ultrasonic wave algal control algae-removing method of periodic monitor as claimed in claim 8, it is characterized in that, in step 2-2, ultrasonic frequency is 20 ~ 22kHz, and power is 68 ~ 72W.
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| CN110282727A (en) * | 2019-06-27 | 2019-09-27 | 上海市供水调度监测中心 | One kind is pumped up water oxygenation algae-removing method and equipment |
| CN113387408A (en) * | 2021-05-21 | 2021-09-14 | 中国水利水电科学研究院 | Movable ultrasonic algae removal device |
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