Discharge systems
<p>Main types of discharge systems:</p><div><div class="clearfix layout-row columns-2"><div class="layout-column first column-1"><div><p>(Image: Sewer cleaning vehicle discharge system - High dump)</p><p><strong>High dump</strong></p></div></div><div class="layout-column last column-2"><p>(Image: Sewer cleaning vehicle discharge system - Hydraulic piston)</p><p><strong>Hydraulic piston</strong></p></div></div><div class="clearfix layout-row columns-2"><div class="layout-column first column-1"><p>(Image: Sewer cleaning vehicle discharge system - Pneumatic)</p><p><strong>Pneumatic</strong></p></div><div class="layout-column last column-2"><p><strong> (Image: Sewer cleaning vehicle discharge system - Auger)</strong></p><p><strong>Auger</strong></p></div></div></div><p/>
High dump
<p>(Image: Wiedemann &amp; Reichhardt "Super 2000" emptying its sludge tank)</p>
High dump and vehicle safety
<p>Influence of the water tank placement on vehicle safety.</p><div class="clearfix layout-row columns-2"><div class="layout-column first column-1"><div><p>(Image: High dump - Placement of the water reservoir:Low centre of gravity)</p><div><div/><table><tbody><tr><td> <p><span>Water tank remains low.</span></p><ul><li> <p><span>Low risk of vehicle tip over</span></p></li> <li> <p><span>Pneumatic discharge not possible</span></p></li> <li> <p><span>Low centre of gravity</span></p></li> </ul></td> </tr></tbody></table></div></div></div><div class="layout-column last column-2"><div><p>(Image: High dump - Placement of the water reservoir:High centre of gravity)</p><div><div/><table><tbody><tr><td> <p><span>Water tank is tilted upwards.</span></p><ul><li> <p><span>Risk of vehicle tip over</span></p></li> <li> <p><span>Pneumatic discharge unavoidable</span></p></li> <li> <p><span>High centre of gravity</span></p></li> </ul></td> </tr></tbody></table></div></div></div></div><p/>
Advantages of the high dump
<div class="clearfix layout-row columns-2"><div class="layout-column first column-1"><div><p>(Image: High dump discharge system)</p><div><div class="clearfix layout-row box important"><p><span><strong>Warning: not suitable for the transportation of materials listed under the dangerous goods ordinance!</strong></span></p></div></div></div></div><div class="layout-column last column-2"><div><ul><li> <p>Fast discharge</p></li> <li> <p>Cost effective design</p></li> <li> <p>Lower overall weight compared to other systems</p></li> <li> <p>No storage volume loss due to additional discharge equipment e.g. pistons, plungers.</p></li> <li> <p>The tilted tank allows for easy access during installation, maintenance and repairs</p></li> </ul></div></div></div><div/><p/>
Advantages of the piston discharge (hydraulic)
<div class="clearfix layout-row columns-2"><div class="layout-column first column-1"><p>(Image: Sewer cleaning vehicle discharge system - Hydraulic piston)</p></div><div class="layout-column last column-2"><div><ul><li> <p>No danger of the piston bursting.</p></li> <li> <p>Optimum emptying of the sludge material without risk of accident</p></li> <li> <p>Increase safety due to a uniform piston movement</p></li> <li> <p>Varying tank displacement</p></li> <li> <p>The piston stroke reaches the entire length of the tank hence enabling for a full discharge</p></li> </ul><p/><p><sub>Information of the company Wiedemann &amp; Reichardt [FI-Wiede]</sub></p></div></div></div><p/>
Piston discharge (pneumatic)
<p>(Image: Sewer cleaning vehicle discharge system - Pneumatic)</p>
Advantages of discharging by auger
<div class="clearfix layout-row columns-2"><div class="layout-column first column-1"><p>(Image: Sewer cleaning vehicle discharge system - Auger)</p><p>(Image: Discharging by auger )</p><div/></div><div class="layout-column last column-2"><ul><li> <p>On-site discharge</p></li> <li> <p>No danger to the operating personnel</p></li> <li> <p>Discharge time is only about 10 minutes longer than other systems</p></li> <li> <p>No need for trips to the landfill</p></li> <li> <p>Container disposal can be contracted out.</p></li> </ul><p>(Image: Discharging by auger ) (Image: Discharging by auger )</p></div></div>