Tank: It is the container to hold the chemical solution. A pressure relief valve or by-pass valve is required to protect these positive acting pumps from damage when the discharge line is closed and for the convenience of the operator. The discharge capacity of these pumps is approximately proportional to the speed. Most hydraulic sprayers are equipped with positive displacement pumps capable of developing pressure, required for many spraying jobs. A pump displaces a volume by physical or mechanical action. Pump : A pump is a device used to move fluids, such as liquids or slurries, or gases from one place to another. Pump b) Chemical tank c) agitator d) Air chamber e) pressure gauge f) Pressure regulator g) valves h) Strainer i) suction line j) delivery line k) nozzles.Trailer Sprayer (with Snyder Super poly Tank) Stainless Steel and Brass knapsack sprayers It should be light in weight yet sufficiently strong, easily workable and repairable.It should deliver the liquid at sufficient pressure so that the spray solution reaches all the foliage and spreads uniformly over the plant body.It should produce a steady stream of spray material in desired droplet size so that the plants to be treated may be covered uniformly.Regulating the amount of liquid applied on plants to avoid excessive application.Ī good sprayer should posses the following qualities.Applying the chemicals with sufficient pressure for positive reaching the plants.Distributing the droplets uniformly over the plants.Breaking the chemical solution in to fine droplets of effective size.It can also be used to apply herbicides to control weeds and to spray micro-nutrients to enhance plant growth Sprayer is a machine used to apply liquid chemicals on plants to control pest and diseases. GPBR112 :: Lecture 12 :: SPRAYERS AND THEIR FUNCTIONS, CLASSIFICATION, MANUALLY OPERATED SPRAYERS, POWER SPRAYERS - DUSTERS, TYPES AND USES
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