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Ultrasonic Antifouling Protection
1. This Series Pictures     
 
 
2. This Series ParameterTable
Table 1:Unidirectional axial ultrasonic system products
**Ultrasonic vibration in specific direction, the emission Angle ≥60 degrees, power density ≤ 0.7w/cm2:
Model
Frequency
(KHz)
 Power
(W)
Angle
(degree)
Range
(m)
Size
Notes
Transducer
D*H
Generator
L*W*H
HSV-8SH-3020
20.0±3.0
60
≥80
≥150
59*130
 
 
270*270*130
或230*190*120
 
HSV-4SS-3528
28.0±3.0
50
≥70
≥150
59*130
 
HSV-4SS-4528
28.0±3.0
80
≥65
≥150
76*110
 
HSV-4SS-5028
28.0±3.0
100
≥60
≥150
90*150/76*110
 
HSV-4SS-3833
40.0±3.0
60
≥60
≥100
59*130
 
HSV-4SS-3840
40.0±3.0
60
≥60
≥80
59*85
 
1.This technique is suitable for unidirectional static, low velocity local area processing in small area.
 
Table 2: Multimodal plate ultrasonic system products
**Ultrasonic vibration in multi direction,emission Angle ≤270 degrees, power density ≤2.0W/ cm2
 
Model
Frequency
(KHz))
 Power
(W)
Angle
(degree)
Range
(m)
Size
Note
 
Transducer
D*H
Generator
L*W*H
HSV-4SL-3050
50.0±2.0
80
≥270
≥50
186*100*80
 
 
270*270*130
230*190*120
 
HSV-4SL-3840
40.0±2.0
100
≥270
≥80
186*100*80
 
HSV-4SL-3828
28.0±2.0
100
≥270
≥100
186*100*100
 
HSV-4SL-4528
28.0±2.0
150
≥270
≥120
186*120*100
 
HSV-4SL-4525
25.0±2.0
150
≥270
≥150
186*120*110
 
1)The multimodal plate transducers system have the power of 100-1000w, the open angel is more than 270degrees and the working distance is more than 100m.
2)With high power sweep frequency circuit to realize multi-dimension vibration.
3)This technique is suitable for multidirectional processing in large area.
 
Table 3: Multimodal bar ultrasonic system products
**Ultrasonic vibration in Axial and radial direction, emission Angle=360 degrees, power density 3-5W/ cm
Model
Frequency
(KHz)
Capacitance
(pF)
Impedance
(Ω)
Power
(W)
Length
L(mm)
Notes
 
HSD-8SE-4020
20.0±1.0
800
360
≥200
190±5
 
HSD-8SE-4520
20.0±1.0
1200
360
≥200
325±5
 
HSD-8SE-5020
20.0±0.5
1000
360
≥200
480±0.5
 
HSD-8SE-5020
20.0±0.5
1200
360
≥200
540±0.5
 
HSD-8SE-5020
20.0±1.0
1500
360
≥200
630±5
 
HSD-8SE-5025
25.0±1.0
1200
360
≥200
630±5
 
1)With digital phase-locked circuit to realize high powera multi-dimension vibration, the open angel is 360degrees and the working distance is more than 200m.
2) Can provide closed treatment chamber system.
3) This technique is suitable for large cavity, pipe and other static or low velocity water processing.
 
Table4: Axial focusing pipeline ultrasonic system products
Realizing the energy focusing of cross section inside the pipeline, mission Angle=360 degrees, power density ≤28W/ cm2
Model
Frequency
(KHz)
Power
(W)
Pipe Size
(ID*Th*length)
Material
 Volume
(L/H)
Notes
 
HSC-252500-SS
25.0±1.0
2500.00
400*3*1200
SUS304/316
100-2000
 
HSC-282500-SS
28.0±1.0
2500.00
300*2.5*1200
SUS304/316  
100-2000
 
HSC-4SS-3833-D300
33.0±1.0
2000.00
265*2.5*1200
SUS304/316  
100-1000
 
HSC-4SS-3840-D300
33.0±1.0
1500.00
220*2.5*1200
SUS304/316 
100-800
 
1) With high power sweep frequency circuit to realize multi-dimension vibration, and the working distance is the pipe diameter.
2) Can provide different pipe diameter, different frequency, different power design requirements.
3) This technique is suitable for pipe of different diameter in large water processing with low velocity
 
3.More Technical Information
3.1Products theory:
When the high frequency vibration of power ultrasonic transducer acts into water, it will produce the following effects.
1)Mechanical effect: Ultrasonic wave causes mechanical vibration of related objects in the process of propagation.
2)Thermal effect: High frequency vibration can cause the medium temperature to rise and the vibration energy is converted into heat energy.
3)Cavitation effect: High frequency vibration in liquid cause alternate expansion and contraction of liquid medium, produces the positive and negative pressure alternately change, When the negative pressure reaches and exceeds the binding force between liquid molecules, the liquid will be torn, and local vacuum micro-bubble nucleus will be generated. Micro-bubble nucleus expand, close and oscillate instantaneously with the action of ultrasound. At a certain energy threshold value, the micro-bubble collapses and generates a shock wave of up to 1000 atmospheres and microjets in an instant.
4)Pyrolysis and free radical effects: Water vapor produced by micro-bubble nucleus splits and chains at high temperature and high pressure to produce free radical OH. When the bubbles collapse, OH go into the water. OH is a super oxidant. For organic substances in ultrasonic field, including important life macromolecule substances such as protein and nucleic acid, chemical reactions can take place rapidly under the action of cavitation. Its mechanism includes pyrolysis reaction and oxidation reaction of free radicals. Generally speaking, hydrophobic and volatile organic compounds can enter the cavitation bubble for pyrolysis; hydrophilic and volatile organic compounds can oxidize with OH at the gas-liquid interface of the cavitation bubble or in aqueous solution.
 
3.2Function:
3.2.1Studies have shown that ultrasonic wave has the effect in the water and can obviously resist algae growth under specific conditions.
1)Low-frequency ultrasonic wave: low-power&low-frequency ultrasonic wave has a strong control effect on blue-green algae which are the most harmful in the water, and has a good inhibitory effect on green algae and diatoms. The removal effect of blue-green algae with frequency of 20 ~ 40 kHz and power density of 0.2 ~ 0.5 W/cm2 was better than that of green algae and diatoms, and that of anabaena fischeri was better than that of microcystis.
2)High-frequency ultrasonic wave: when the ultrasonic frequency is 50-80 kHz, the concentration of free radicals in the water reaches a peak, and the removal rate of microcystis in the water is the highest, which indicates that oxidation is more effective in the removal of microcystis.
3)Operating Mode:Intermittent work is more effective, working 10 to 15 times a day, each time working 5 to 15 minutes has better inhibition effect on algae.
 
3.2.2Studies have shown that under certain conditions, ultrasonic wave can also eliminate the aquatic organisms in the sound field and kill the eggs and larvae of aquatic organisms.
1)ultrasonic parameters: When the frequency is 20 ~ 30 kHz and the power density is 0.3 ~ 0.5 W/cm2, the effect of repelling and killing aquatic organisms, especially Marine organisms, is obvious.
2)Processing time is 10-30sec.
3)The water temperature of 30℃-45℃ is best.
 
3.3 Applications
Suitable application position:fishponds, swimming pool, pond water processing, yacht paddle, heat exchanger, box cooler.
1)Application of aquatic organisms, microorganism repelling and algae removing
Protection of cage for fish culture: Preventing the reproduction of microorganisms and blue-green algae , eliminating all kinds of aquatic bacteria, and purifying water quality
Fishponds: Preventing the reproduction of microorganisms, bacteria, parasites and blue-green algae , eliminating all kinds of aquatic organisms and purifying water quality
2)Water purification in static water area such as rivers, lakes, swimming pools, ponds ,etc.
Antifouling protection in area of hull, oar, shaft
 
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