High pressure cleaning | unitracc.com

Definition: <div class="clearfix layout-row columns-2"><div class="layout-column first column-1"><p>High-pressure cleaning is<strong> "the use of high-pressure equipment to remove obstacles and deposits in drains and sewers"</strong>.</p><p>This universal method, which is applied in about 90% of all sewer cleaning measures in Germany, is also used as a preparatory action prior to an inspection or a rehabilitation [Geib2002].</p></div><div class="layout-column last column-2"><div>(Image: Combined flushing/vacuum vehicle)</div><div><div>(Image: Combined flushing/vacuum sewer cleaning vehicle)</div></div></div></div><p/>
Process description: <div class="clearfix layout-row columns-2"><div class="layout-column first column-1"><p>The process of high-pressure cleaning firstly removes any existing deposits using flushing water. These deposits are then transported to a delivery point, e.g. a manhole, where they are collected, drained of water if necessary, and disposed of.</p><p>By means of a high-pressure pump, the flushing water is pumped from a reservoir through a high-pressure flushing hose with a cleaning nozzle installed at its end.</p></div><div class="layout-column last column-2"><div><p>(Image: Combined flushing/vacuum sewer cleaning …</p></div></div></div>
Process description (2): <div class="clearfix layout-row columns-2"><div class="layout-column first column-1"><div><div class="visible-web"><p>(Video: Radial nozzle in operation - retrieval)</p></div><div class="visible-pdf">Animation: High-pressure flushing process [Image: visaplan GmbH]. This interactive object is only visible in the online version of the module.</div></div></div><div class="layout-column last column-2"><div><div class="visible-web">(Video: Radial nozzle in operation [FI-Wiede])</div><div class="visible-pdf">Video: Radial nozzle in operation [FI-Wiede]. This interactive object is only visible in the online version of the module</div><div class="visible-pdf">Video: Radial nozzle in operation - retrieval [FI-Wiede]. This interactive element is only visible …</div></div></div></div>
Combined high pressure cleaning: <div class="clearfix layout-row columns-2"><div class="layout-column first column-1"><p>At this point the debris is generally collected using a vacuum pump and a suction tube, this method is referred to as combined high-pressure cleaning (subsequently simply referred to as high-pressure cleaning).</p><p>The term describes "the simultaneous use of high-pressure devices and a vacuum to remove obstacles or deposits in drains or sewers".</p><div/><div/></div><div class="layout-column last column-2"><div><div class="clearfix layout-row columns-2"><div class="layout-column first column-1"><p>(Image: Vacuum-water-ring pump from the Super 2000 vehicle of the company Wiedemann & Reichhardt)</p></div><div class="layout-column last column-2"><p>(Image: Suction …</p></div></div></div></div></div>
Work flow: <div class="clearfix layout-row columns-4"><div class="layout-column first column-1"><p>(Image: Sewer cleaning work flow - Cleaning vehicle)</p><div>1. Cleaning vehicle</div></div><div class="layout-column column-2"><p>(Image: Sewer cleaning work flow - traffic control)</p><div>2. Traffic control</div></div><div class="layout-column column-3"><p>(Image: Sewer cleaning work flow - Opening of the manhole)</p><div>3. Opening of the manhole</div></div><div class="layout-column last column-4"><div><p>(Image: Sewer cleaning work flow - Installation of the cleaning nozzle)</p></div><div>4. Installation of the cleaning nozzle</div></div></div><div class="clearfix layout-row columns-4"><div class="layout-column first column-1"><p>(Image: Sewer cleaning work flow-Nozzle test)</p><div>5. Nozzle test</div></div><div class="layout-column column-2"><p>(Image: Hose roller/guide in use)</p><div>6. Hose roller/guide in use</div></div></div>
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