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PZO dust-collecting cannon
Product Classification:
Water and soil separation system in a shield tunnel
Environmentally friendly equipment
Application Field
Working Principle
Advantages
1. Long spraying range, wide coverage
- Spraying range 30-150 meters, adjustable
- Stationary: 100-150 m, mobile: 60-100 m, small portable: 30-60 m
- Coverage of one unit 3000-20000 m²
- Horizontal rotation 360° or directed spraying
- Tilt angle -10° to +45°
2. Good atomization, high dust suppression efficiency
- Ultrafine atomization: droplet diameter 10-150 microns
- Size corresponds to PM2.5/PM10 particles
- Dust suppression efficiency 60-90%
- Removal of PM2.5: 50-75%, PM10: 60-85%
- Fast effect within 5-10 minutes
3. Energy efficiency, low operating costs
- Water consumption 2-15 tons/hour (depending on model)
- Water savings 70-80% compared to irrigation machines
- Power 5-100 kW, energy savings >50%
- Low maintenance costs
4. Multifunctionality
- Dust suppression: adsorption and dust settling, air quality improvement
- Cooling and humidification: temperature reduction by 3-6°C, humidity increase by 10-25%
- Disinfection and deodorization: adding disinfectants for landfills, farms
- Greening: watering plants, creating landscape fog
5. Ease of operation, high level of intelligence
- Automatic control: computer, PLC, touchscreen, remote control
- Intelligent functions: connection with environmental sensors, automatic start when PM2.5/PM10 exceeds limits
- Remote monitoring and control, mobile application
- Adjustment of spray angle and direction
6. High adaptability, wide application
- Construction sites: earthworks, building demolition
- Coal storage: dust suppression at warehouses
- Ports and docks: loading and unloading of bulk cargo
- Mining enterprises: open pits, quarries
- Urban roads: road cleaning, smog control
- Industrial zones: environmental improvement
- Waste disposal: landfills, transfer stations
- Various types: stationary, vehicle-mounted, portable
- Temperature range -20°C to +50°C
7. Environmental friendliness, no pollution
- Use of clean water or biodegradable additives
- No chemical pollution
- No secondary pollution, does not form puddles
- Improvement of air quality, temperature reduction
8. Durable construction, long service life
- High-quality materials: steel, stainless steel, anti-corrosion treatment
- Wear-resistant nozzles
- Service life: unit ≥8 years, fan ≥5 years, nozzles ≥2 years
Working Principle
Four stages of operation:
1. High pressure and spraying
- The high-pressure pump draws water from the tank
- Water passes through a filter to remove impurities
- The high-pressure pump increases the water pressure to 5-15 MPa
- High-pressure water is supplied to specially designed nozzles
- Nozzles (centrifugal, impact) break up the water flow
- Fine droplets with a diameter of 10-150 microns are formed
- Spraying is uniform, particle size is consistent
2. Powerful air supply
- A powerful axial or centrifugal fan is started
- Air flow rate 30000-100000 m³/h, speed 15-30 m/s
- Fan blades rotate at high speed
- A powerful directed air flow is created
- The air flow is concentrated through the air duct
- A high-speed air column is formed
- The sprayed mist is carried by a powerful air flow
- Mist and air flow are thoroughly mixed
3. Spraying over a long distance
- The mist and air mixture is ejected from the air duct
- High speed and directionality are maintained
- Air resistance is overcome
- Spraying range is 30-150 meters, adjustable
- Control through fan power and tilt angle
- Horizontal rotation 360° or directed spraying
- Tilt angle from -10° to +45°
- Mist gradually disperses in the air
- A large mist curtain with an area of 3000-20000 m² is formed
4. Adsorption and settling
- Mist droplets of micron size correspond to dust particle sizes (PM2.5/PM10)
- Mist droplets fully contact dust particles
- Surface tension and water adhesion are used
- Dust particles are adsorbed and enveloped by the mist
- Several dust particles agglomerate with the mist
- Larger droplets are formed
- The weight of the particles increases significantly
- Enlarged particles settle under gravity
- They separate from the air and settle on the ground
- The concentration of suspended particles in the air decreases
- Dust suppression and cleaning effect is achieved
Technical Parameters
Static wind action length (m) | Water mist particle diameter (m) | Coverage area (m²) | Total power (kW) | Pitch angle | Rotation angle | Number of nozzles | Noise at 20 meters (dB) | Weight (kg) |
30 | 30~150 | ≤2700 | ≤6 | -5~35° | 0~340° | 12 | ≤65 | 290 |
40 | 30~150 | ≤4800 | ≤14 | -5~35° | 0~340° | 24 | ≤68 | 440 |
50 | 30~150 | ≤7600 | ≤19 | -5~35° | 0~340° | 24 | ≤68 | 530 |
60 | 30~150 | ≤10900 | ≤26 | -5~35° | 0~340° | 30 | ≤75 | 640 |
70 | 30~150 | ≤14900 | ≤28 | -5~35° | 0~340° | 36 | ≤75 | 850 |
80 | 30~150 | ≤19500 | ≤45 | -5~35° | 0~340° | 46 | ≤80 | 960 |
90 | 30~150 | ≤24700 | ≤57 | -5~35° | 0~340° | 70 | ≤80 | 1580 |
100 | 30~150 | ≤30500 | ≤70 | -5~35° | 0~340° | 70 | ≤80 | 1610 |
110 | 30~150 | ≤36900 | ≤75 | -5~35° | 0~340° | 100 | ≤80 | 1850 |
120 | 30~150 | ≤43900 | ≤90 | -5~35° | 0~340° | 110 | ≤85 | 2350 |
Successful Cases
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Factory address:
No. 6, Hexin Road, Huashan Town, Huadu District, Guangzhou City
Xiongxing Industrial Park, Qingcheng District, Qingyuan City, Guangdong Province
We have a professional after-sales service team that provides professional services to customers, customers need our inevitable mission, providing on-site installation and debugging services, always maintaining close contact with customers, providing timely feedback and guidance.
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No. 6, Hexin Road, Huashan Town, Huadu District, Guangzhou City