The provincial capital successively received rain, and the meticulous citizens discovered that the sprinkler still sprinkled water on some sections of the urban area when it rained or when the road was dry after the rain. In response to this, many people questioned whether the sprinkler is still operating on a rainy day and is it wasting water resources? On August 15, the reporter took to the streets to interview the sprinkler operations.
The public questioned:
Sprinklers Sprinkle Some Rain
“When it rained some time ago, one day because it was early to leave, it was very bright and the sky was still raining. We saw a sprinkling vehicle with a striking yellow warning light and slow water in the slow lane.†Ms. Liu, who is from the provincial city of Xinghua Street, introduced that the sprinklers on the bottom of the sprinkler were opened and the water was used to wash the road on both sides of the road. Due to the water impact of the sprinkler, many pedestrians have avoided it. In this regard, Ms. Liu is puzzled: “The rain had rained the night before, and the road was already wet. Why should we sprinkle water for it? The watering work should be flexible. When it rains, can it not come out?â€
Mr. Zhao, a citizen with the same doubts as Ms. Liu, believes that the sprinkler truck can be understood on the road on a sunny day. However, in rainy weather, the sprinkler truck operation is a “noisy†because there is no need to waste both water and human resources. Material resources.
Site witness:
After the rain, the sanitation truck was launched to wash the road
At 16 o'clock on the August 15th, the rain fell on the ground. The reporter followed the staff of the Taiyuan Sanitation Bureau to the Jinqiao North Street in Jiancaoping District. Several large vehicles were cleaning along the road. At the head of the road are two washing cars, which are common sprinklers, followed by two wet sweepers. The reporter noticed that after the sprinkler had passed, a large amount of yellow muddy water had accumulated on both sides of the road. After the wet sweeper passed, the roadside immediately cleared a lot. "Compared with the sunny operation, watering after the rain not only saves water and time, but also can better clean the urban road pavement." Feng Jinsong, director of the Taiyuan Environmental Sanitation Management Monitoring Center, introduced sprinkler sprinkler to reduce dust and dust , Dust removal, which is the most difficult job is dust. To thoroughly remove dust, you need to sprinkle water on the road first to soak dirt, dust, and other dirt on the road and let it flow to both sides of the road and the curb, and then use a wet sweeper to remove the dirt and sewage. Collected by suction cups, so as to achieve a complete dedusting effect. Therefore, after the rain, the sanitation machinery vehicles are actually scouring the road rather than the wet road.
Feng Jinsong further explained that on some road sections in the urban area, there were debris trucks passing by from time to time during the night. After the dirt on the vehicle fell on the ground, it was rolled back and forth by passing vehicles, and some oil was added to the weather. It's hard to rinse when it's close to the ground. When it rains, dust, dirt, and other dirt on roads in urban areas are soaked in rainwater and become soft and weak in adhesion, making them easy to turn into mud. In addition, dirt, dust, and other dirt on the street trees, billboards, and vehicles will also fall on the road as the rain rushes and the flow of stagnant water, and mud marks left by the car's tires tend to be in the middle of the road. Therefore, in the event that the soil and dust are not dried completely after the rain, and the secondary pollution is not caused by the rise again, the timely and thorough removal can achieve a multiplier effect. It is roughly estimated that rain-washing roads can save 3-4 times the amount of water than normal, and the cleanliness can also be improved 2-3 times than usual.
Of course, washing the road in rainy weather depends on the situation.
According to Shi Zhongjun, deputy director of the Taiyuan Sanitation Bureau, the environmental sanitation machinery vehicles will select different time periods for different rains. When raining, rinse on the road in time. If the rain is heavy, wait until the rain stops before flushing. In order to minimize the impact on traffic, pedestrians, and vehicles, scouring operations are carried out at night and in the wee hours and daytime dust reduction operations are not at peak traffic times. The sanitation mechanical vehicle drivers will also pay attention when they are working and try not to spray them onto the citizens.
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