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Majiagou, Hejiagou and Xinyi Ditch are familiar with Ice City, "Three Ditch." In the past 30 years, with the urban population expansion and industrial development, a large amount of untreated industrial wastewater and domestic sewage were directly discharged into the three inland rivers in Harbin Old City with clear water and abundant plants. The river, the former beautiful Shimizu River, turned into a boring "stinky ditch." On the 3rd, the reporter learned from the Inhabitant Office of Harbin Municipal Construction Commission that this autumn, Hejiagou and Xinyi Ditch will realize the closure of sewage. The Majiagou River will connect with the hot water of the former Songhua River water plant from the back of the old zoo so as to realize the core of the city Section of the water flow.
Water diversion: this year to achieve long water flow
"Establishing clear water rivers, ecological water banks and green corridors and realizing the river-going ecological goals of being hydrophilic, near-green and pleasant are the remediation tasks we must complete within two years." The head of the inland water conservancy committee of Harbin Municipal Construction Commission said that improving the old city Environment and changing the quality of the environment around the citizens are the overall goals of the comprehensive management of SanGou and will build SanDou into an urban waterfront ecological belt suitable for living, leisure, entertainment and recreation.
This year is the first year for Harbin City to implement "ZTE" in the city and also the last year for the prevention and control of water pollution in the Songhua River. During the year, comprehensive construction of Hejiagou, Xinyi Ditch and Majiagou suburb will be implemented and the water source project will be completed.
It is understood that, in accordance with the overall plan for comprehensive river improvement, the range of 30-60 meters of project land across the Three Gorges has been identified and a unified land acquisition and resettlement will be implemented. The total land area of 4.11 million square meters, demolition of various types of housing 810,000 square meters.
Clear water source project will be implemented step by step, to build a stable river water source. At present, with the favorable conditions of existing Songhuajiang water supply facilities in Harbin, the existing water supply main lines of the Songhua River water supply system are utilized. At the same time, part of the water supply facilities are rebuilt through renovation of the new water supply pipelines, and the workers and peasants reservoirs and the 38 reservoirs are reinforced and formed Inland water storage and storage water supply and water supply network system.
Majiagou suburb section of the main implementation of land requisition and demolition, sewage interception project, river improvement and other construction projects to ensure that all Majiagou sewage collection, centralized treatment and discharge.
Qingshui this year will be the first phase of the new Majiagou 4 km water pipeline, from the old zoo back of the original Songhua River water pipe into the water supply Majiagou, to this fall, making the point from Majiagou Into the mouth of the Majiagou city core area, that is, Nangang, outside the road to achieve long water flow.
Pollution: "Three major ditch" affect millions of people
"You know, the river runs through the downtown area of Harbin City, after renovation, will directly enhance the quality of life along the river's millions of people living environment."
Majiagou, Hejiagou and Xinyi Gully are the three inland rivers in the old city of Harbin. They are located in the central hinterland of the urban area, the southwest of the urban area and the southeast of the urban area, all of which are drainage ditches without clean water sources and rainwater scouring. They are seasonal rivers, The water season sewers mainly discharge industrial wastewater and domestic sewage, while the surface runoff drainage within the drainage basin is the main part of the flood season.
When it comes to analyzing the necessity of remediation, Harbin Municipal Commission of the River City Construction River Intentions Office told reporters: First, the three inland waterways, except the sections of Majiagou City, The other two have not been thoroughly dredged and cleared up for a long time, resulting in serious river blockage and a decrease in flood control and drainage capacity. In particular, during the heavy rain, they can not meet the needs of drainage and flood control in the surrounding areas. Second, the construction of cross-Strait disorder. The land around the inland rivers has both agricultural land and construction land, resulting in a large density of coastal buildings. It is very common for units and individuals to occupy rivers along the river to illegally build structures illegally. Poor sanitation conditions are typical areas with dirty and messy conditions.
Furthermore, according to statistics, Hejiagou daily discharge of 22 to 250,000 tons, Xinyi Ditch daily discharge of 7 to 90,000 tons, Majiagou daily discharge of 38 to 420,000 tons, "San Gougou" the total discharge of sewage accounted Ha half the total amount of sewage to the city. After testing, the sewage of copper, lead, zinc, chromium, ammonia nitrogen and other harmful substances are beyond the normal standard, resulting in black and smelly river water, seriously affecting the quality of life of Ice City residents.
Governance: Majiagou interception sewage pumping station end of the run
On the 3rd, the reporter learned from the Inhabitant Office of Harbin Municipal Construction Commission that the Majiagou Sewage Interception Pumping Station Project will be running through the water on June 30. By then, the left bank of Majiagou will be shut down after the closure of sewage pumping station will be sent to Wenchang sewage treatment plant discharge standards, 150,000 tons / day of sewage transmission capacity, will Harbin's sewage treatment rate increased by about 10%.
It is understood that, in order to allow intercepted sewage discharge standards, Ha River Construction Commission inland River to build Majiagou downstream sewage pumping station project, while supporting the construction of the iron wearing water pipeline 215 meters, making Majiagou left bank after sewage Pipeline to Wenchang Sewage Treatment Plant.
In accordance with the overall requirements of Songhua River Basin Water Pollution Control Plan, at present, Qunli, bungalow, Xinyi three sewage treatment works are under construction. Hejiagou Bungalow Wastewater Treatment Plant can process 150,000 tons of sewage per day. As of today, all the building works and the installation of indoor equipment and laying of the process pipeline in the factory have been completed. The water will be debugged on October 31. Hejiagou Qunli Sewage Treatment Plant was started construction on June 6, 2008, and mainly undertakes the task of centralized sewage treatment in the middle and lower reaches of Hejiagou: Xiangfang, Nangang, Daoli and Qunli New Districts and can process 150,000 tons of sewage , Will be June 30 for water debugging. Xinyi Ditch Lutheran Sewage Treatment Plant was started construction on December 18, 2008, and the daily sewage treatment capacity will reach 100,000 tons after the completion of the project. Now the primary sedimentation tank, water distribution well and bio-chemical tank have been completed, Pipeline, will be October 30 water debugging.
Majiagou:
The starting point is the rural and rural areas in the cottage area. It is 34.7 kilometers long in the north of Binbei Railway Bridge and has a total length of 34.7 kilometers. The urban section is 17.6 kilometers and the suburban section is 17.1 kilometers. It flows through four administrative districts of bungalows, Xiangfang, Nangang and Dao. The drainage area is 240 square kilometers .
He Jiaogou:
It consists of Donggou, Xigou and Mainstream. The starting point of Xigou is the drainage line of Jian'an Erdaojie in the cottage area. The starting point of the Donggou is the Hadatun drainage line in Nangang District. The east and west ditches converge at Edmonton Road, Jiang Qunli embankment into the downstream Songhua River. A total length of 32 kilometers, flowing through the bungalow, Xiangfang, Nangang, Daoli four districts, drainage area of 125 square kilometers.
Lutheran Church:
The starting point is Xiangfang District into the township drainage line, in the road outside the village of Dongguang chemical embankment into Ash River, a total length of 11 kilometers, through the Xiangfang, two administrative areas outside the area of the basin 50 square kilometers.
After remediation, Majiagou part of the river has been a new look
This article Keywords: sewage pump
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