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The water conservancy project of the Liaohe River Basin
2018-05-16  |   Editor : houguangbing  
Category : Technology
  1. Hongshan reservoir

Hongshan reservoir is located on the old Ha River in Hongshan Town, Huodun banner, Chifeng City, the Inner Mongolia Autonomous Region. The reservoir is a large water control project, which is mainly used for flood control, irrigation, power generation, fish raising and so on.

The catchment area is 24 thousand and 500 square kilometers, accounting for 74% of the total area of the old Ha river. The total storage capacity is 2 billion 560 million cubic meters, the flood control capacity is 1 billion 746 million cubic meters, and the profit storage capacity is 314 million cubic meters. The project was built in 1958, completed in 1960 and completed in 1965. The reservoir key project consists of main dam, auxiliary dam, spillway, sluice gate, water conveyance tunnel and hydropower station.

The main and auxiliary dams are homogeneous earth dams. The main dam is 1174 meters long, the largest dam height is 31 meters, the auxiliary dam is 694 meters long, and the largest dam is 6.4 meters high. The spillway is a concrete wide width weir with 3 holes and 12 meters, and the maximum discharge volume is 2820 cubic meters per second. Hongdong is a horseshoe pressure free tunnel with a width of 8 meters and a height of 9 meters. The discharge volume is 825 cubic meters per second. The water conveyance tunnel is a circular pressure tunnel with a diameter of 4 meters, with a flow rate of 170 cubic meters per second. Hydropower station installed 5 units, a total of 6720 kilowatts, of which 4 sets of 1600 kilowatts, 1 sets of 320 kilowatts.

  1. Dahuofang reservoir

The Dahuofang reservoir is located in Zhang party Township, Fushun, Liaoning Province, the upper reaches of the Hun River. It is a large water control project, which is mainly used for flood control and irrigation, taking into account the comprehensive utilization of urban water, electricity and fish. It is a large I type reservoir with many years of regulation, and its dam site is 18 kilometers away from downtown Fushun.

The reservoir is designed according to the flood of a thousand years, and the maximum flood can be checked. The total storage capacity of the reservoir is 2 billion 268 million cubic meters, including 814 million cubic meters of flood control capacity, 1 billion 296 million cubic meters of capacity and 1 billion 56 million cubic meters of water for many years. The length of the river above the dam site is 169 kilometers, and the catchment area is 5437 square kilometers. The hub project consists of 4 parts: dam, spillway, water conveyance and water intake. The dam consists of 1 Main dams, 3 auxiliary dams and 1 slope dams. The main dam type is a roller compacted clay core wall dam with a maximum dam height of 49.8 meters and a dam length of 1367 meters. One dam is a roller compacted clay core dam with a maximum dam height of 31.5 meters and a length of 328 meters; the two dam is a homogeneous earth dam, the maximum dam height is 10.1 meters, the dam length is 85 meters, the three dam is a concrete inclined wall dam, the maximum dam is 9.8 meters high and the dam length is 210 meters.

  1. Guanyin 'ge reservoir

Guanyin 'ge reservoir is located in the upper reaches of the Taizi River in the Benxi Manchu Autonomous County, Benxi, Liaoning province. It is a large water control project with water supply and flood control as the main and comprehensive benefits of irrigation, power generation, fish raising and so on. The dam site is about 40 kilometres from Benxi.

The main project was officially launched in May 1990. In 1994, 9 months later, the sluice gates were impounded, and the main project was completed in September 1995. The project is designed according to the flood of a thousand years, and the flood is checked every ten thousand years. The total storage capacity is 2 billion 168 million cubic meters, of which 581 million cubic meters of flood control capacity and 1 billion 385 million 200 thousand cubic meters of profit capacity are available. The average amount of water adjusted for years is 947 million cubic meters. The catchment area above the dam site is 2795 square kilometers, accounting for 20.1% of the area of the Taizi River Basin. The main project is the RCC gravity dam, consisting of 4 parts: retaining dam section, overflow dam section, power station dam section and bottom hole dam section. The top of the dam is 1040 meters long and 10 meters wide, the most dam height is 82 meters, and the maximum floor width is 61.3 meters. The top of the overflow weir is 144 meters wide, with a total of 12 holes, and the maximum discharge volume is 9492 cubic meters per second. The 2 discharge holes, the maximum flow rate is 1094 cubic meters per second. The power station has three sets of 6500 kilowatts and a 1250 kilowatt hydrogenerator set, with a total installed capacity of 20 thousand and 750 kilowatts, with an average annual generating capacity of 80 million 150 thousand kwh.

  1. Erlongshan reservoir

Erlongshan reservoir is located in the upper reaches of the East Liaohe River in Siping City, Jilin province. It is a large water control project, which is mainly used for flood control, urban water supply and irrigation as well as comprehensive utilization of waterlogging, power generation, fish raising and so on. The dam site is located in the Erlongshan Village, Shiling Town, Lishu County, Jilin province. It is 45 kilometers west from Siping City, and the reservoir area is Shiling town of Siping City, Longshan Township in Gongzhuling city and Yitong Manchu Autonomous County, Xiao Gu Shan town. The water collector area above the dam site is 3799 square kilometers.

Erlongshan reservoir project is designed according to the 1000 flood standard, and the 10000 year flood standard is checked. The total storage capacity is 1 billion 792 million cubic meters, the profit capacity is 704 million cubic meters, and the flood storage capacity is 1 billion 8 million cubic meters. The main buildings of the Erlongshan reservoir project are retaining earth dams, concrete overflow dams, diversion tunnels and power stations. The main dam is a compound section clay core wall dam with a length of 419 meters, a width of 6 meters at the top of the dam, and a maximum dam height of 32.16 meters, the secondary dam is a homogeneous dam, the dam length is 99 meters, the width of the dam is 6 meters, the maximum dam is 11.06 meters high, the spillway is a concrete gravity type rolling dam with a total length of 100 meters, the height of the dam is 1243 cubic meters per second, the maximum flood discharge is 1243 cubic meters per second, and the length of the water conveyance tunnel is 33 3 meters, the diameter of 5.5 meters, the maximum flow rate of 293 cubic meters per second; the power station for the dam building, set up 4 water turbine generators, combined with irrigation water seasonal power generation, the total installed capacity of 8360 kilowatts.

  1. Baishi Reservoir

Baishi reservoir is located in the main stream of Daling River in Beipiao City, Liaoning province. It is located in the three central area of Chaoyang, Fuxin and Jinzhou, with convenient transportation and unique geographical environment. Baishi reservoir is a large-scale water control project mainly based on flood control, irrigation and water supply, and takes into account the comprehensive utilization of power generation, aquaculture and sightseeing.

In September 2000, the main project of Baishi reservoir was completed. The reservoir dam is 513 meters long and the total reservoir capacity is 1 billion 645 million cubic meters, which can control the basin area of 17 thousand and 600 square kilometers. The reservoir dam is a RCC gravity dam with the maximum height of 50.3 meters and the top of the dam 513 meters long, including the dam section, the overflow dam section, the bottom hole dam section, the water intake dam section and the power station dam section. The dam is equipped with 11 overflow surface holes, 12 flood discharge and sediment outlets, 2 intakes, 3 power generation water diversion steel pipes and post dam type power plant buildings. After the completion of the reservoir, the flood control standard in the lower reaches is raised from 20 years to 50 years.

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