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Negative Pressure Fan
The Negative pressure fan for broilers is a core equipment in modern poultry house ventilation systems.It is significantly improved the poultry house environment and increase broiler growth efficiency, through efficient exhaust and negative pressure ventilation,so now it’s an indispensable equipment for large scale poultry farms.Contact Hansong now for latest price!
Hansong machinery is a company which especially in poultry farming equipment,for broiler use negative pressure fan,include centrifugal exhause fan,hammer fan,fiberglass exhaust fan ,air cooler,etc. It is an exhaust system installed at the side of the chicken house. It is trough high speed rotating blades to expel air from houses, then creating a negative pressure environment.
Under the negative pressure, fresh air from outside will enter through air inlet or evaporative cooling pads at the other end of the house,then forming a stable airflow path and achieved:cooling,ventilation,dehumidification and reducing concentration of harmful gas.
Currently,this ventilation method is the standard configuration for large scale closed broiler houses.
What types of negative pressure fans do we have?
Hansong company provide heavy hammer exhaust fan,centrifugal fan,FRP fan,cone fan.Customer can choose different type fans according to different budget.
Hammer fan specifications
| Item | Diameter (mm) | Blade speed (r/min) | Air quantity (m3/min) | Total head (Pa) | Noise dB | Input power (Kw) | Voltage (V) | Motor Speed (r/min) | Size (mm) |
| HSH-500 | 500 | 500 | 100 | 55 | <65 | 0.37 | 380 | 1350 | 620*620*400 |
| HSH-710 | 710 | 560 | 295 | 55 | <65 | 0.37 | 380 | 1350 | 810*810*400 |
| HSH-750 | 750 | 560 | 360 | 55 | <65 | 0.55 | 380 | 1350 | 900*900*400 |
| HSH-900 | 900 | 560 | 445 | 60 | <65 | 0.55 | 380 | 1350 | 1000*1000*400 |
| HSH-1000 | 1000 | 560 | 540 | 60 | <65 | 0.75 | 380 | 1350 | 1100*1100*400 |
| HSH-1100 | 1100 | 440 | 650 | 60 | <65 | 0.75 | 380 | 1350 | 1220*1220*400 |
| HSH-1250 | 1250 | 440 | 760 | 60 | <65 | 1.1 | 380 | 1350 | 1380*1380*400 |
| HSH-1400 | 1400 | 440 | 1000 | 60 | <65 | 1.5 | 380 | 1350 | 1530*1530*400 |
Centrifugal exhaust fan specifications
| Model | Blade dia. (mm) | Power (KW) | Air flow (m3/h) | Noise (db) | Height (mm) | Width (mm) | Thickness (mm) |
| HSC-800 | 710 | 0.37 | 25000 | <70 | 800 | 800 | 450 |
| HSC-1000 | 900 | 0.55 | 28000 | <70 | 1000 | 1000 | 450 |
| HSC-1100 | 1000 | 0.75 | 35000 | <70 | 1100 | 1100 | 450 |
| HSC-1380 | 1270 | 1.1 | 44000 | <70 | 1380 | 1380 | 450 |
| HSC-1530 | 1400 | 1.5 | 55800 | <70 | 1530 | 1530 | 450 |
Fiberglass fan specifications
| Model | Blade diameter(mm) | Volume (m3/h) | Power(KW) | Voltage(v) | Size(mm) |
| HSF-850 | 650 | 30000 | 0.37 | 380/220 | 850*850*460 |
| HSF-1060 | 900 | 34000 | 0.55 | 380/220 | 1060*1060*580 |
| HSF-1260 | 1070 | 40000 | 0.75 | 380/220 | 1260*1206*580 |
| HSF-1460 | 1270 | 44500 | 1.1 | 380/220 | 1460*1460*580 |
| HSF-1530 | 1290 | 45000 | 1.5 | 380/220 | 1530*1530*600 |
Cone fan specifications
| Model | Blade Diameter (mm) | Rotating speed (RMP) | Blades | Air Flow (m3/h) | Noise (db) | Power (Kw) | Voltage (V) | Size (mm) |
| HSC-850G | 650 | 720 | 6pcs, nylon& fiberglass | 30000 | <=65 | 0.37 | 380V/220V | 850*850*480 |
| HSC-1060G | 900 | 560 | 6pcs, nylon& fiberglass | 34000 | <=65 | 0.55 | 380V/220V | 1060*1060*550 |
| HSC-1260G | 1070 | 450 | 6pcs, nylon& fiberglass | 40000 | <=65 | 0.75 | 380V/220V | 1260*1260*560 |
| HSC-1460G | 1270 | 450 | 6pcs, nylon& fiberglass | 44500 | <=65 | 1.1 | 380V/220V | 1460*1460*600 |
| HSC-1530G | 1290 | 450 | 6pcs, nylon& fiberglass | 45000 | <=65 | 1.5 | 380V/220V | 1530*1530*600 |
Application
The negative pressure fan supplied by Hansong company is widely used in closed broiler house,large scale poultry farms,and farms in high temperature areas.
FAQ
1. How many negative pressure fans are needed for a broiler house?
The fans quantity according to the house’s length and density,usually each broiler house needs 6-20fans.
2. What’s the difference between fiberglass fan and galvanized fan?
Fiberglass fan:Corrosion resistant better,more suitable for high humidity environments.
Galvanized fan: more economical for customer,and widely used.
3. Does it can be controlled automatically?
Yes,Hansong brand fans all can be controlled.also can be connected to environmental control system,to achieve temperature control for start up and shutdown automatically.
