Municipal rainwater and sewer: use high-pressure cleaning car or manual, traction, push-pull and other methods to clear the sludge in the pipeline outside the pipeline, and then send it to the designated center. Assuming that the pipeline needs to be cleaned to the condition without sludge, the inner wall of the pipeline needs to be cleaned repeatedly, in which the internal situation of the pipeline can be photographed with intuitive pipeline detection image to understand the dredging situation of the pipeline.
Municipal rainwater and sewage desilting, process interpretation: dehydration, drainage with mud pump inspection well sewage into the bottom mud sludge. The pipeline to be dredged is divided into several sections according to the diameter and length of the pipeline, and there is a section between two inspection wells with the same diameter. The high-pressure water truck fills two inspection wells into the well chamber to dilute the sludge. The dredger is used to mix the sludge in the inspection well and sewage pipeline to dilute the sludge. The manual operation shall be coordinated with the machinery to mix the sludge from time to time until the sludge is diluted to the water.
The sludge in the two test wells is pumped and purified by the sewage suction truck. A small amount of the remaining mud in the two exploration wells is hit against the bottom mud with a high-pressure water gun in the well chamber, then diluted, and then the suction is finished. The sealing will be blocked from the top to the next working section, and then the outlet of the downstream inspection well and other pipes will be blocked, leaving only the inlet and outlet of the pipes. The high-pressure cleaning truck shall stop dredging the pipeline with the high-pressure cleaning truck, extend the water belt of the high-pressure cleaning truck into the lower part of the upstream inspection well, spray water to the pipeline, and the downstream inspection well of the sewage pipeline shall continue to absorb the indoor sludge. Before the ventilator enters the inspection well, the air oxygen in the well must enter the inspection well or ventilate with the blower to measure the oxygen content in the well. Safety belt, gas mask and oxygen tank are required to enter the well. After the safety measures are arranged for the construction personnel before dredging, the manual clearing of the remaining bricks, stones and some sludge residues in the well shall be suspended until the end of the clearing. Then, according to the above description, the downstream sewage inspection wells shall be suspended for liquidation one by one, and the inspection wells cleared in the upstream shall be blocked in the construction process to prevent the upstream sludge from flowing into the pipeline or the upstream inspection wells and pipelines when the pipeline is filled with water. Construction around the downstream. Caution: rainwater pipes, sewer pipes, manual pipes into the pipe, very dangerous. Non professionals, please do not go down the well to prevent accidents.
The above is the relevant content introduced by Jinan pipeline dredging company. If you want to understand more, please visit http://www.zhenghuanbao.com