Ji'nan: "eat", turn waste water into clear water, turn waste into treasure, build waterscape park.
Lu net June 28th news (reporter Wang Wenting) Shun tillage road Shandong mansion north side, small waterscape park attracts nearby citizens. There are all kinds of vegetation in the courtyard, and the gurgling water flows through the little gully covered with cobblestones. Looking at this picture, can you imagine that this is a middle water station in Ji'nan? The ground is a good place for free and quiet distraction, but the underground machine is roaring day and night. This is the water station of Shun Geng road. The daily sewage can reach 10 thousand cubic meters. The treated water can be used for watering flowers and planting trees.
water in the mouth of halitosis gas fumigation first go to the suspended substance
reporter into the middle water station of Shun tillage road. The first clearance of sewage treatment is to use the coarse and fine grille to intercept the suspended matter. As soon as we enter the rough grille, the stink of smell comes to our nostrils. The reporter saw a deep four or five meter ditches, and the black holes in the gutter flow through the sewage that just came in.
"Shun Geng road middle water station mainly deals with sewage from the sewage network of Shun Geng Road, which can reach 10 thousand cubic meters per day." The staff said that the principle of the coarse grille in the water station is to use a grille like a sieve to intercept the large suspended solids in the sewage, such as waste paper and branches, and the design standard is 5mm. In the fine grille, there is a blender like machine that keeps spinning, and here is a much smaller solid suspension.
comes out of the coarse grille and is at the core of the sewage treatment. "The core part of sewage treatment is biofilter, and this suit is put underground." Staff said that the reason why sewage is called sewage, on the one hand, because there are some impurities inside, and it is eutrophication, that is, water nitrogen, phosphorus and other nutrients too much. "In the mud, some fungi and other microorganisms can be cultured. Microorganisms can decompose organic matter and nutrients in water. In addition to microbiological treatment, it is necessary to cooperate with medication to achieve the goal of purifying water quality.
water outlet, brook clear, transparent
in the pool near the sewage treatment center, a few red small fish are enjoying the tour. "These fish are cultured in the treated water." Reporters saw that the water in the pond was clear and bottomed, and several weeds were swaying at the bottom of the pond.
a small stream is flowing out of the little square above the ground. "This is the treated water. We use the landscape stone to set the scenery." The reporter picked up a handful of water with his hands without any smell. "Part of the treated water is used for landscape water, and the other part goes to the east side of the Plaza, which eventually flows into the Xiaoqing River."
reporters learned that at present, Ji'nan has built 10 such small water stations in densely populated areas. The next step, Ji'nan city will also build the Cabernet Plaza in the water station, the sun new road in the water station, the Dalien ditch in the water station and other sewage treatment facilities, the completion of these projects, will further increase the city's sewage treatment capacity.