Fan And Pad Greenhouse Evaporative Cooling Systems
Fan and pad system.
Fan and pad greenhouse evaporative cooling systems. Evaporative cooling achieve and maintain cooler temperatures in your greenhouse in any climate with a cost effective evaporative cooling system. The most commonly used evaporative cooling system used in greenhouses is the fan and pad evaporative cooling system see figures 5 5 and 5 6. Fan and pad greenhouse evaporative cooling systems 3 area covered by plants and floor material i e bare soil or concrete. The slower the air.
The most common is the fan and pad system. There are two systems which use this principle in commercial greenhouses. In this system aspen or cellulose pads are mounted in one endwall or sidewall of the greenhouse. A fan and pad system uses exhaust fans to pull air through evaporative cooling pads.
Evaporative cooling system consists of 2 main parts. The most common way of accomplishing evaporative cooling in a greenhouse is with a fan and pad system figure 1. The preferred cooling method for a greenhouse is through evaporative cooling. Its main purpose is to promote indoor ventilation and cool down the temperature in the greenhouse.
The roof configuration can also influence the temperature increase. High pressure fogging and the pad fan cooling system. Huifa cooling fans offer high volume output and smooth operation powered by a high efficiency motor. Designed with the grower in mind these cooling pads and systems will use heat in the air to evaporate water from plants and other wetted surfaces that will then cool your structure.
They are supplied with water from a pipe above the pads and excess water is collected in a gutter at the bottom. Cooling pads cool by creating large amounts of. The basis of any evaporative cooling system is the evaporation of water into an airstream. Experience has shown that air may heat up as rapidly as 1 f every 10 feet as it moves across the greenhouse on sunny summer days.
The fan and pad system has been the standard system for evaporative cooling for more than 50 years. Cooling fans and cooling pads. Square box design for easy installation. Pad and fan systems are part of a greenhouse s mechanical ventilation system.
Evaporative cooling is a tool that can be used to reduce greenhouse temperatures. This technique utilizes the cooling effect produced when water evaporates and cools the air as it is pulled through the pad. Several evaporative cooling systems work well in commercial greenhouses. Two evaporative cooling systems are commonly used in greenhouses.
With this type of system exhaust fans are placed in one wall of the greenhouse and pads are in the opposite wall. Greenhouse ventilation and cooling fan and pad evaporative cooling systems. The 4 or 6 inch thick pad is treated with anti rot salts stiffening and wetting.
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