Xilamulun River Water Conservancy Project

Taihekou Water Control Project is located at the junction of Zhelimu League and Chifeng City, where the Xilamulun River and Xinkai River meet. Flood control is a key project in the flood control system of Liaohe River Basin. The project is of Class III and Class III, designed according to the 50-year flood return period, with the designed flow of 2025 cubic meters per second. According to the 200-year flood check, the check flow is 2638 cubic meters per second. The river sluice has 26 holes, the weir crest elevation is 32.4m, the clear width of the sluice hole is10m, the gate is a 3.5m×10m steel radial gate, equipped with a fixed hoist with double lifting points, and the opening force of the gate is 2×15t. The total investment of the project is 476,654.38+ten thousand yuan. The project started on September 2nd 1987 and was completed on September 30th 1993.

The Daxing flood dike of Xilamulun River was originally built by the government in 1964. Due to the low engineering standard, the state invested 660,000 yuan in maintenance and reinforcement in 1966, and the design standard was raised to once every 20 years, with a design flow of 2,550 cubic meters per second. The dam is 47 kilometers long, 2 meters high and 2.5 meters wide at the top. 1983- 1984 dangerous section reinforcement and repair, 1985- 1986 was flooded. Among them, on September 3rd, 1986, the maximum flood peak of Taihe estuary reached 1 1447 cubic meters per second, and the flood dike was safe and sound. It has effectively protected the safety of 35,000 people, 70,000 mu of farmland, 1 10,000 mu of grassland and 654,380+00,000 head (only) livestock in towns and villages such as Xinsumo and Daxing in Wengqi. Grassland reservoir is located in the lower reaches of Olga River, a tributary of Chagan Mulun River in Youqi. This is a side reservoir. 1975 started in may, and 1976 was completed in July. The control basin area above the head of the reservoir diversion canal is 998 square kilometers. The total storage capacity of the reservoir is 1, 2 1.9 million cubic meters, which consists of main dam, auxiliary dam, water conveyance tunnel, diversion canal and water intake and river blocking hub. The maximum dam height of the main dam is 8 meters and the dam length is 950 meters. The maximum dam height of the auxiliary dam is 3.5 meters. The dam is 775 meters long. The maximum discharge of water conveyance tunnel is 16. 4 cubic meters per second. The diversion canal is 3 kilometers long and the diversion flow is 50 cubic meters per second. Dam height of river diversion project 1 m. It is 98 meters long, and the intake sluice has five holes, each with a clear width of 2.5 meters. The designed irrigation area is 66,400 mu, and the effective irrigation area is 1 10,000 mu (grassland and forage base). The water surface of fish culture is 4000 mu. The project was designed by Zhao Meng Water Conservancy Bureau and implemented by Youqi. * * * Complete earthwork of 28 1 10,000 cubic meters, stonework 1.94 million cubic meters and concrete of 250 cubic meters. There are 370,000 man-days of labor and 27,000 car-days of lathe work, with an investment of 6,543,800 yuan, of which 700,000 yuan is subsidized by the state.

Dongtaizi Reservoir (under design) is built at the junction of linxi county, Wengqi and Keqi counties. The specific location is Xiachang Village, Xinchengzi Town, linxi county on the left bank, Wengqimao Shandong Township and Tuchengzi Town on the right bank, Keqi and the upper reaches of Xilamulun River. The total investment of the project is about 2 billion yuan, which is designed according to 100 return flood, and checked by the return flood in 2000. The designed reservoir has a storage capacity of 320 million cubic meters, and the storage capacity10.77 billion cubic meters. It is a large (II) reservoir, which has the functions of flood control, irrigation, water supply, power generation, aquaculture, tourism and ecological improvement.

Derisubaoleng Reservoir, a key water conservancy project in the autonomous region, is located in the lower reaches of Chaganmulun River, a tributary of Xilamulun River in the upper reaches of the West Liaohe River, within the territory of Bahrain Right Banner in Chifeng City, and the dam site is away from Daban Town 1 1 km, where the government of Bahrain Right Banner is located in the upper reaches. It consists of a main dam, a floodgate and an auxiliary dam, with a total storage capacity of 98.82 million cubic meters. The main task is to give priority to the comprehensive utilization of ecological protection, industrial water supply and irrigation. After the completion of the reservoir, the industrial water supply with water supply guarantee rate of 97% is 30.28 million cubic meters. The designed irrigation area of the reservoir is 6.5438+0.32 million mu, the water supply is 32.6823 million cubic meters, and the irrigation guarantee rate is 50%. The water supply flow of the reservoir is 0.047m3 /s, and the water volume is1.48m3. The construction of this project will create conditions for the implementation of ecological migration, meet the water demand of the proposed power plant, and promote the coordinated development of local economy, society and environment. The approved budgetary estimate of Baoliang Reservoir in Delhi has a total investment of 39.521.9 million yuan. The project started construction on August 6, 2007 and was fully completed on June 27, 20 10.

Dashimen Hydropower Station (to be built) is located in the upper reaches of the main stream of Xilamulun River formed by the confluence of Shalimu River and Saring River in Hexigten Banner, and is 13km downstream of the confluence of the two estuaries. It is the leading power station with the strongest regulation capacity, the largest installed capacity and the largest power generation in the cascade development of Xilamulun River. The control basin area above the dam site is 3,606 square kilometers, and the average runoff at the dam site is 224 million cubic meters, with the average power generation for many years.

Hairisu Water Control Project (Hailasu Water Control Project) is located in Hailasu Town, Wengqi, downstream of Xilamulun River. The control basin covers an area of 26,576 square kilometers, accounting for 8 1.4% of the total basin area, and the annual average runoff1.500 million cubic meters. The hub project is mainly irrigation, which has comprehensive benefits such as transportation, power generation, flood diversion and sand prevention. Onchi and Yuchi directly benefited. This is the largest grassland irrigation project in the city. The Hairisu Hub Project consists of a sluice, left and right bank intake sluices, highway bridges, hydropower stations and dams. The sluice is 2607 meters long and the pier is 6 meters high. There are 24 holes, and the clear width of each hole is 10 * 4.2 meters. A horizontal steel sluice with the weight of 1 1 ton is installed. Cubic meters per second. The highway bridge is 365.2m long and 8.6m wide, with a load of15t. The right bank sluice and intake sluice are both reinforced concrete hollow slab beam structures, and the left bank intake sluice is composed of a hyperbolic arch bridge with a single span of 30m and a rise-height ratio of 1/9. The hydropower station enters the left bank sluice with 3 units, with a total installed capacity of 375kW, a design head of 4m, a flow rate of 1} m3/s and an annual power generation of1.20,000 kWh. The dam project is connected with the right bank of Xilamulun River through the right bank intake sluice. The dam is 10 13m long, 6m high and 10m wide. Dams and roads are dual-purpose, paved with gravel.

With the Hailasu Water Control Project, the irrigation area of Xingfu River in the lower reaches of Xilamulun River has also been restored. The average annual runoff of Xilamulun River is 932 million cubic meters, and the annual water supply of Hailasu Water Control Project is more than 487 million cubic meters, accounting for more than half of the average flow of Xilamulun River. Due to the large water diversion of Hailasu Water Control Project, the irrigation system named "Happy River" has a total land area of 3.86 million mu, and the self-flow irrigation area is11800,000 mu.

1958 build grassland irrigation canal in pastoral area, located in Bayanhua, Risu commune, Wengqihai, and draw water from Xilamulun River to build 1 three-hole masonry sluice. Designed by Zhao Meng Shuili Team, Wengqi organized migrant workers to carry out construction. The total length of the main canal is 10 km, which will be completed in half a year. /kloc-irrigated 46,000 mu of grassland in 0/959, which turned the dry early sandy grassland into a lush pasture. Herdsmen call this canal "Happy River".

Happy River Irrigation Area in Hairisu Grassland Irrigation Area is one of the gravity diversion irrigation areas controlled by Hailasu Water Control Project. The total land area of the irrigation area is 3.86 million mu, and the self-flow irrigation area is11800,000 mu. The average annual runoff of Xilamulun River is 932 million cubic meters. There are 84.8km main canal, 82km branch canal182km and 88km canal system buildings 108 in the Happy River Irrigation Area. The designed irrigation area is 300,000 mu. Four hematoxylin, towns and farms in the east benefited, with a total population of 42,800. Effective irrigation area165,800 mu, including 32,000 mu of grain crops, 0/1900 mu of cash crops, 48,500 mu of feed land (including corn), 32,300 mu of grassland and 4 1 1000 mu of woodland. Xingfu River Irrigation District was included in the scope of national large-scale irrigation district continuous construction and water-saving reconstruction projects on 200 1. By 20 15, the irrigation and drainage system in xingfuhe irrigation area has been formed. Compared with before the implementation of the project, the effective irrigation area has increased by 49,800 mu, with remarkable benefits.

In addition, there are Baiyinhan Irrigation District and Chagan Mulun River Irrigation District in Shaoleng River Basin. Longkou Hydropower Station, located in Hongshanzi Township, Keshiketeng Banner, upstream of Xilamulun River in northern Chifeng City, is surveyed by the Water Resources Department of Inner Mongolia Autonomous Region, 1959. 197 1 was listed by Liaoning province with a total investment of 8.29 million yuan. Two 3 000 kW hydro-generator sets are installed, with an annual power generation of180,000 kWh. 1974 completed the trial operation, and 1976 was officially put into production.

Xiang Hydropower Station is located in the narrow valley in the upper reaches of Xilamulun River, 76 kilometers away from the town. The station has high mountains, dense forests and good vegetation, and the river flows downstream with a drop of 3- 10 meter. After water storage, it forms 6000 mu of water surface, which is a comprehensive power generation and breeding project. Two 2500 kW hydro-generator sets are installed, with an annual power generation of106,000 kWh and a total national investment of 6,228,300 yuan. Construction started in 1978, and was completed and put into operation in198/0/year. At the same time, it was merged into the northeast power grid.

Three hydro-generator sets are installed in Zhabei main canal hydropower station of Harisulan River, with a total capacity of 375 dry watts and an annual power generation of1150,000 kWh. In 65,438+0978, it was built and merged into Wengqi Power Grid.