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"No Maintenance" Water Screens Lower Irrigation Costs
An idea that's been used in mining and other industrial applications has tremendous potential in agriculture, according to water utility engineer Bob Weir of Denver, Colo.
  His company, Hydroscreen Co. LLC, engineers water diversion solutions using screen filters.
  Now, the low maintenance screens are being used with irrigation center pivots, wheel lines, and gated pipe for irrigating crops, because they allow farmers to clean and use ditch or pond water.
  "Changing conditions such as water shortages, sky-high energy prices and ground water regulations, have caused many irrigators to rethink some of the old ways of doing things," Weir explains. "Wire screens take out weed seeds and other debris, preventing production losses due to plugged nozzles or gate blockage in the system. Irrigation use will pay for the screens very quickly."
  The screens are unique in that they're self-cleaning, requiring little or no maintenance, and remove leaves, moss, sediments, and debris from water flowing over them.
  According to Weir, the screens "are made of small, triangular stainless steel wires that are tilted in such a way that each wire shears a layer of water as it flows over the surface. The debris, which has mass and momentum as it moves down the face of the screen, doesn't follow the water through the narrow openings, but rather remains in the overflow water, or comes to rest on the face of the screen if there's no water to carry it."
  Hydroscreen Co. offers cost effective solutions in a variety of applications. The screens are easily installed, of high capacity, have no moving parts and are available in pipe, ramp and box mountings.
  Contact: FARM SHOW Followup: Hydroscreen Co. LLC, 2390 Forrest St., Denver, Colo. 80207 (ph 800 567-4916, fax 303 393-8298; rkweir@aol.com; www.hydroscreen.com).

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2007 - Volume #31, Issue #4