(exhaust is related to the word exhaust and means exit)
▪️ First of all, we should get to know the meaning of the word greenhouse exhaust fan, Exhaust Fan is a technique that, unlike blower fans, draws air and Removes from the environment. These fans cool the ambient air in addition to freshening and removing old air by suctioning the greenhouse air that has been moistened by passing through the cellulose pad system or by suctioning the greenhouse air that has absorbed moisture by the misting system.< br>▪️ This air suction is done through powerful motors that use air power (weighted fan) or through a centrifuge (clutch fan) to open the dampers. Greenhouse fans are produced in dimensions of 100, 120 and 140 with different powers, of which exhaust fan 140 is the most powerful
Types of greenhouse exhaust fan in terms of mechanism: 1- 140 fan of weight damper type 2- 140 fan with clutch or damper With a clutch
▪️ The difference between these two types of fans is that in a damper fan, the dampers are opened by air pressure, but in a clutch fan, the clutch mechanism opens the dampers as soon as the fan is turned on.
☑️ Types of greenhouse fans
▪️ The types of greenhouse fans include, circulating ceiling greenhouse fan, axial greenhouse ventilation fan, greenhouse utility fan and fan system, as well as exhaust fan, all of these fans are different in their appearance, but nevertheless their use and performance are different. not much One of the most important and popular greenhouse fans is the exhaust fan. This type of greenhouse fan sucks the hot air of the greenhouse and transfers it to the outside of the greenhouse. This fan is installed on the walls of the greenhouse, usually facing the wind.
☑️ Ideal temperature for the greenhouse
▪️ The best temperature for the greenhouse is between 10 and 22 degrees. If the fan is not used, the ambient temperature remains in the upper part of the greenhouse. As a result, the greenhouse environment for growing flowers and plants becomes non-standard. Creating an ideal and suitable temperature of the greenhouse will be done through air conditioning fans. If there is no ventilation fan in the greenhouse, it is natural that the temperature will rise higher than usual, the durability and survival of the plants will be jeopardized and the propagation of plant pests will accelerate. As a result, the investments created for the greenhouse and labor of workers and gardeners will be wasted.
☑️ Benefits of greenhouse exhaust fan
• Establishing a balance in the humidity of the greenhouse
• Equalizing the speed of air exchange between plants
• Uniform distribution of suitable temperature in the greenhouse
• Reducing the level of dust and pathogenic pests
• Uniform distribution of the concentration of gases required by the greenhouse
• Changing the air inside and outside the greenhouse
• Supplying the necessary dioxide for photosynthesis of plants
• Creating favorable conditions for the movement of pollen and pollination
fan and ventilator for greenhouse and poultry house 140, produced by Andersem Alborz company, consists of a body and galvanized housing with 1.25 sheet 140 ventilator drive components include six stainless steel blades, pulleys, belts, tightening belts, and a powerful one and a half horsepower motor with the ability to rotate at 1400 rpm, which can be replaced with a single-phase motor. /p>
The general use of ventilator 140 is to ventilate and suck air in greenhouses and poultry houses automatically and manually. As soon as this device starts working with the automatic opening mechanism of the dampers, it keeps the dampers open at a 90-degree angle without vibration or sound until the device is working, so that the air is completely removed.
