General situation of Tingjiang water conservancy

There are 28 156 water conservancy projects in Tingjiang River system at the end of 2 1 year, including 22 small (II) reservoirs 122 and 32 water diversion projects with an area of over 66.7 hectares. Small (I) type reservoirs 19. The backbone water diversion project has 1 10,000 mu irrigation area in Qiangongbei, Changting County. There are 667 hectares of water lifting projects such as Huli Electric Irrigation Station and Huilong Hydraulic Pump Station in Shanghang County, with an effective irrigation area of 56,000 hectares, accounting for 60.04% of cultivated land. The per capita irrigation area is 0.039 hectares. Daguanbei: Located at the intersection of three rivers, such as Liuyuanxi, Hotan, it existed in the Song Dynasty and was named Hotan Dabei. In the Republic of China, a dam was built downstream of Luzhu Dam, and 1000 mu of irrigated farmland was taken to the street, which was washed away by water the following year. Later, a wooden and stone dam was built at Luzhukou, but it was built when the years were not good. 1955, the county designated the upper reaches of Shibitan as the site and built 1 concrete dam. 1962, expand the old dam, fully open the canal, and build a 2-meter-high masonry dam in half a year. A spillway sluice with a height of 0.5m and a width of 2.4m is set on the right side, which is controlled by stoplogs. The left and right canals irrigate the upper, middle and lower streets of the river fields, and the 2370-mu fields in the 4 villages of Zhuxi.

Wujiabei: Located in Shiren Village Dam on the upper reaches of Tingjiang River, it was completed in June 65438 +0964 +65438 10. The cement slurry gravity dam is 2.4 meters high and the left and right main canals are 9.2 kilometers long. Guanshiren, Jiang Fang, Yubei, Wu Ye and Xinqiao, a total of 1050 mu.

Tian Zhuo Datianpei: Located in the tributary of Tianzhuo River, it was built in April 1956. The barrage is 35 meters long and 2.6 meters high. Belonging to a slurry-shrinking gravity dam. The canal is about 9.5 kilometers long and irrigates 2,582 mu of farmland in Shangcun and Shangjie villages in the east. Together with Qiangongpi, it is called the left and right "dragon" of Tian Zhuo Guankou.

Tianzhuoqian Gongbei: Located in Tianzhuoanren reach. It was built light years ago and destroyed by water. In the thirty-second year of the Republic of China (1943), the irrigation and water conservancy engineering department of western Fujian sent personnel to survey and construct, and built a gravity dam of 64m, with a height of 2.5m, a blasting tunnel of 160m and a channel of 5km. After three days of water supply in July of the following year, it was washed away by heavy rain. 1In July, 954, the county established the "Qiangong North Construction Committee of Tianzhuo District", with the county magistrate and director. In June 1955, the project started in an all-round way. 109 m in length, 55.8 m in lock length, and the tunnel extended to 165 m in March, 1956. After excavation, the canal 17km, 57 main canal aqueducts, culverts, inverted siphons and other projects were completed. On August 22nd 1956, the whole line was opened to water, which can irrigate 3,000 mu of farmland. Xiyuan Reservoir: It is located in Fangxi, Fangtu Township, Changting County. In the 21st year of Wanli in Ming Dynasty (1592), Tu Qingxi, a local citizen, built a mound here, which could irrigate four or five hundred mu of land. The existing reservoir was built in the original site, and the rainwater collection area is 36.6 square kilometers. 1974 started, 198 1 completed. The dam type is a gravity dam filled with slag and masonry with wide joints, and the dam crest overflows. The radial steel gate controls water discharge, with a total storage capacity of 1, 24 1, 000 cubic meters. The flood control standard is designed with a return period of 50 years and checked with a return period of 500 years. When the dam is protected, the flow rate is 862 cubic meters per second. Excavation of left and right main canals 18km, 7 tunnels, 7 10m in length, 500m inverted siphon, 4 aqueducts18m in length. Irrigatable 1 1267 mu. The cost of the dam project is 1037 1 10,000 man-days, and the earthwork is 506,000 cubic meters, with a cost of 5.27 million yuan. It is the first medium-sized reservoir in Changting with a storage capacity of10,000 cubic meters.

Lianwugang Reservoir: located in Lianwugang Village, Nanshan, Changting County, with rainwater collection area of 10.3 square kilometers. It was completed in June of 1963+00 after investigation by the planning team of Jiulong River. The main dam is a 35-meter-high homogeneous earth dam with a total storage capacity of 765,438+million cubic meters. The inclined gate is used to control the discharge, and the side channel flood overflows. Design once every 50 years and check once every 200 years. Due to the influence of the "Cultural Revolution", the work was suspended for nine years, and the main project of the dam area was completed on June 1972. After that, the main canal and the east-west main canal ***25. 1 km, with 43 supporting projects. Its Songmaoling Xialengshuikeng aqueduct is 165m long, 2 1m high and 2 1m single span, which is the first self-made and self-assembled aqueduct project in Changting. The reservoir opened in 1979, and irrigated 6,748 mu of fields in Fudengfang and Xia Qiao. The project cost 905,200 man-days; Earth and stone work was completed at a cost of 604,200 cubic meters1.744,438+0.000 yuan.

Hero Reservoir: Located at Gekengkou, Qianfuxing Village, Guanting County, with a rainwater collection area of 4 square kilometers. Established in 1958 and completed in1974+February. The dam is a clay core dam with a height of 17m and a total storage capacity of 3130,000 cubic meters. The drainage is controlled by the revolving door cover. The flood control standard is designed according to 50-year return period, and 1975 is checked according to 1 10,000 return period. Power generation and irrigation are dual-purpose, which plays a role in flood control and protection for Tingdong Fuxing, Maping and Hongqi Factory. The project cost 6.5438+0.76 million person-days and completed 37,000 cubic meters of earthwork.

Beixia Reservoir: located in Beixia River, Sidu Tongren, Changting County, with rainwater collection area of 166 square kilometers. The dam is a hyperbolic masonry arch dam with a height of 52. 1m, an upper chord length of 164m, an arc length of 195m, an arch ring thickness of 3m, and an arch ring thickness of13.4m. The total storage capacity is 59.6 million cubic meters and the effective storage capacity is 44.7 million cubic meters. The flood control standard is designed according to the 50-year return period and checked in 2000. Overflow is carried out by compound weir and nose sill at dam top. The project was designed by South China Institute of Water Conservancy in June 1976, and started in June 10/977. 1983 provincial planning commission and provincial water and electricity department were designated as provincial infrastructure projects, which were completed and put into use on 1986. The investment in the main project of the dam area is 65,438+928,000 person-days, and the earthwork is 335,600 cubic meters, with a cost of100,000 yuan.

Liu Jia Reservoir is located in liu village, Wudong Town, Wuping County. 1March, 975, survey and design by provincial and local planning groups. 1977 broke ground in winter. 1988 1 1 month completion acceptance. Homogeneous earth dam. The main dam is 28m high, 6m wide and10/m long. There is a water conveyance culvert at the left end, and a steel pipe is arranged in the stone arch culvert, which is directly connected to the pressure pipe of the power station behind the dam. The spillway is set at the right end, designed according to the once-in-a-century flood, with a maximum peak flow of 447 cubic meters per second. Qifengling auxiliary dam is14.4m high, 5m wide and 48m long. Li 'aotou auxiliary dam is 1 1m high, 5m wide and 64.5m long. Rainwater storage area is 32.6 square kilometers, with total storage capacity16.25 million cubic meters. The construction of the left and right main canals can irrigate 15 villages in Dongxiang, such as Chen Pu, Huangpu and Tian Yuan. The effective irrigation area is15,317 mu, of which the irrigation protection area is12,870 mu. The reservoir can also be used for flood control, power generation and fish farming, and cash crops such as tea and fruit are also planted near the reservoir area.

Shenpi Reservoir/KOOC-0/965 broke ground in Shanghang County in June,/KOOC-0/65438+/KOOC-0/0, the dam and the left main canal were completed in autumn/KOOC-0/968, the hub project was completed in winter/KOOC-0/970, and some right main canals were completed in June/KOOC-0. The catchment area of the reservoir is 5.4 square kilometers, and another 40.4 square kilometers of runoff is drawn from Lacey, the entrance of Gu Lou Village, Huyang Township, outside the reservoir. The dam type is homogeneous earth dam, with the main dam height 19m, the dam crest length 197m and the dam crest width of 4. 1m, and two auxiliary dams with the dam height of 8-9m, the total storage capacity of 6.77 million cubic meters, the dead storage capacity of 440,000 cubic meters and the culvert drainage capacity1.2m. There are left and right main canals with an effective irrigation area of 0.67 million mu. The power station behind the dam is equipped with two sets of *** 1 10 kW.

Yangmeishan Reservoir is located in Yangmei Valley upstream of Baishuiqi, Coral Township, Shanghang County. There are dense trees in the reservoir area, exposed rock foundation at the dam site, towering hills on both sides and narrow riverbed. 1979 1 1 the project broke ground, 198 1 the dam hub project was completed by the end of the year, 1982. The reservoir has a catchment area of 3.44 square kilometers, a dam height of 39 meters, a dam length of 1 16 meters and a dam crest width of 5 meters. The design flood standard is once every 20 years, and the check flood standard is once every 200 years. The total storage capacity of the reservoir is 1.02 million cubic meters, the storage capacity of the dead reservoir is 40,000 cubic meters, and the length of the drainage culvert is1.654,38+0.3 meters. The flow of drainage equipment is controlled by the 40 cm sluice on the front slope of the upstream dam, and the spillway tunnel is on the left side of the reservoir area. The left main canal is 1.37 km long, which irrigates Qili, Hengtou, Zhu Hua and Xiacoral farmland. The right main canal is 3.3 kilometers long, and irrigates some farmland of upper and lower corals, with a total irrigation of 2 100 mu. The reservoir is mainly irrigated, and the power generation is generated by the drop of 160m. 1985 to build a first-class power station with an installed capacity of 2 * * * 225kW and an investment of 287,300 yuan, which initially solved the problem of lighting and processing electricity in Coral Township.

Baishapu Reservoir, located in Liansi Brigade, Rentian Commune, Shanghang County, belongs to the upper reaches of Shangxie River, a tributary of Huangtan River, with a drainage area of 14.3 square kilometers. Construction started in September, 1977, and was listed as a provincial infrastructure project with the approval of the Provincial Department of Water Resources and Electric Power in February of the following year. The reservoir has a total storage capacity of 5.03 million cubic meters, dead storage capacity 1 1 10,000 cubic meters, and normal water level storage capacity of 4.42 million cubic meters. The dam type is clay core dam with a height of 38.7m and a crest width of 6m. Total channel length 1 8km, water flow1m3 per second. 1April 30, 985, water storage began, with an effective irrigation area of 9,000 mu and a guaranteed irrigation area of 6 100 mu. Using irrigation water, two dam-returning and channel-type power stations were built, with an installed capacity of 4 ***360 kW, which were all completed in July. 1985.

Guanyang Reservoir is located in longxi village, Hugang Township, Yongding County. The reservoir has comprehensive benefits such as irrigation, power generation, aquaculture and tourism, and is the "leading reservoir" for the cascade development of Yongding River water resources. 1970 65438+ 10 was approved to start construction. 1978 was listed as a provincial infrastructure project, and an 856-meter water conveyance tunnel was opened on June 7 of the same year. At the end of 1979, the construction was postponed due to the adjustment of infrastructure scale by the state. After repeated requests from the county people's government 1984, the Provincial Department of Water Resources and Electric Power gave a reply and reported it to the Provincial Planning Commission on February 1985. The Provincial Planning Commission approved the resumption of work on June 1986. The reservoir production resumption project officially started in June 1987. The total storage capacity is 23 million cubic meters.

Mudong Reservoir is located in Mudongkeng, 3 kilometers east of Chayang Town, dapu county, and is a county management project. /kloc-started in winter of 0/959 and was completed in March of 0/960. The rainwater collection area is 9.7 square kilometers, the height of the compacted homogeneous earth dam is 22 meters, the crest length is 1.20 meters, and the total storage capacity is 3 1.5 million cubic meters. The water conveyance culvert of reinforced concrete structure has a diameter of 0.6m and a pipe length of1.000m.. Open spillway bottom width 15m, maximum flood discharge103m3/s. Water flows into Xihe Zhang. The purpose of building the reservoir is to serve as the regulating reservoir of Babai Hydropower Station with an installed capacity of 200 kilowatts, and to meet the needs of tea-drying, lighting, industrial electricity and irrigation electricity for more than 380 mu of farmland in Meilin and Jiaoan. The reservoir is flooded 12 1 mu, with 28 households 15 1 person, and the project investment is more than 300,000 yuan. Liu Jia Reservoir Dam Power Station in Wuping County. Construction started in September 1978. The left stone culvert pipe of the main dam is provided with a steel plate casing with an inner diameter of 1.2m and a pipe length of 286m, which is directly connected with the pressure pipeline of the power station. The water head is 55 meters, and the pressure pipe flow is 2. 16 cubic meters per second. Install two 400 kW generator sets. The total capacity is 800 kilowatts. 1982 65438+put into production in February, with an average annual power generation of 3166,000 kwh. The project * * * completed earthwork 1.3 million cubic meters, earthwork 1.99 million cubic meters, and the total project cost was 790,000 yuan, including 240,000 yuan invested by the state and 550,000 yuan raised by the county itself.

Qilingxia Power Station is located in Qilingxia, Yangfang Village, Bao Zhong Township, Wuping County. It is the power station with the largest installed capacity among township-run power stations. Under Qiling, which is 6.7 kilometers away from the main canal of Yueyang, it was built with surplus irrigation water, with a head of 9 1 m, a quoted flow of 0.4 cubic meters per second, and two installed machines with a capacity of 250 kilowatts. Built in 1979, 1984 connected to the county power grid. In the expansion of 1987, the pipeline with the diameter of 1 50 cm and the length of 170 m was replaced by two pipelines with the diameter of 65 cm and the length of 170 m, and two new installed machines were added, so that the total installed capacity increased to 1050 kW. The total investment of the project is1180,000 yuan.

Beikou Power Station is located in Beiqikou, Xiaolan Village, Taoxi Township, Wuping County. It belongs to Taoxi Township Power Station. There is a stone multi-arch dam in Qikou, Taoxi River, with a head of 8.3m and a discharge of17m3/s.. The upstream rainwater collection area is 560.5 square kilometers. Install three 320kW turbines with a total installed capacity of 960kW. It is estimated that the earthwork volume of this project is 6.5438+300,000 cubic meters, and the total cost is 6.5438+920 million yuan. 1983 1 1 started construction, and by 1987, the Taoxi-Beibei Highway has been opened for 5 kilometers; Built a stone multi-arch dam, 8.5 meters high and 85 meters long; The length of the masonry diversion canal is 35 meters, the head flow of the canal is 17 cubic meters, and it is put into production 1 unit 320 kilowatts.

Caixi Hydropower Station is located in Shanghang County. In 35 years of the Republic of China, local people of insight proposed the establishment of Caixi Hydropower Station, and the former Water Conservancy Engineering Department of the Seventh District of Fujian Provincial Construction Department sent personnel to inspect it. The project plans to build a 1 gravity rockfill dam at the entrance of the river, with a drop of 84m, a diversion channel of 775m, an installed capacity of 245kW and an investment of 85 million yuan (legal tender). After that, it was difficult to raise funds and the plan fell through. After liberation, the people of Cai Xi Township repeatedly demanded the construction of hydropower stations. 197 1 year, the capital construction headquarters of caixi hydropower station was established, and construction officially started. The catchment area of the power station is 4 1.7 km2. The dam type is gravity roller compacted dam with a height of 20m and a length of 40m. The design head 103m, the quoted flow 1m3/s, the pressure pipeline is 230m long and 70cm in diameter, and it goes directly from the forebay to the factory building. Power generation was completed in July 1974. Two sets of 38 1 kw were installed in the first phase, and 1985 was added1250kw. Last winter, the tail water of the first-class power station was used to increase the pit to divert water, and the second-class power station was built, with two 250 kilowatts installed. The total installed capacity of Caixi I and II hydropower stations is 88 1 kW. 1987 power generation is 376.85 kwh. In that year, in addition to the loan and interest 163400 yuan, it also made a profit of 07200 yuan, which not only solved the problem of electricity consumption for the development of township enterprises, but also met the electricity demand of 99.25% farmers.

Mianhuatan Hydropower Station is a national key construction project in the Ninth Five-Year Plan, with a total installed capacity of 600,000 kilowatts, annual power generation of 65.438+52 billion kWh, dam height of 654.38+065.438+0.05 meters and reservoir capacity of 2.035 billion cubic meters. With the completion of the power station, the flood control standard of Tingjiang River Basin has been raised from once every five years to once every 20 years. Located in the middle of Mianhuatan Canyon, the main stream of Tingjiang River in Yongding County, Fujian Province, it mainly generates electricity and has comprehensive benefits such as flood control, shipping and aquaculture. The total installed capacity of the power station is 600,000 kW (4×1.5,000 kW), the guaranteed output is 88,000 kW, and the annual power generation is 654.38+0.52 billion kW·h, which has incomplete annual regulation performance. The power transmission project * * * is equipped with five 220kV transmission lines, which will mainly supply power to Longyan, Zhangzhou and Xiamen of Fujian Power Grid after completion, with the power supply distance within 150km. The control basin area above the dam site is 7907km2, accounting for 67% of the Tingjiang River basin area. Normal water level of the reservoir 173.0m, dead water level 146.0m, regulated storage capacity1220,000m3, and checked flood level 177.8m, corresponding to a total storage capacity of 20.35. Mianhuatan Hydropower Station is a first-class project, which is mainly composed of main dam, auxiliary dam, flood discharge and energy dissipation facilities, underground powerhouse system for water conveyance and power generation on the left bank, switch station on the right bank and dam crossing facilities. The main dam is a roller compacted concrete gravity dam with crest elevation 179.0m, maximum dam height 1 1m and total crest length of 300m. The auxiliary dam is located at the pass of Huyangli Village, 5km northeast of the main dam site. The maximum dam height is 5.6 m and the dam crest length is 30 m, so it is a homogeneous earth dam.

Qutan Hydropower Station is located on Meitan River in Qutan Village, Baihou Town, dapu county, and started construction in June 1966 and June 10. This is a dam-type power station with a brick hard shell dam. The height of the dam is 4.5m, the crest length is1.20m, and the rainwater collection area upstream of the dam site is1.320km2.. The station was built on the left bank of1June, 1968, powered by a hydraulic pump, with a design head of 3.5m and a design flow of15m3 per second, with 4 units installed, including * * * 475kW, including 3 units of125kW and100kW L. 1in March, 1982, three sets of 125 kW hydro-generator sets were installed on the right bank of the same dam, with the quoted flow of 14 m3/s, and the total installed capacity on both banks of the dam was 850 kW. 1988, employing 34 people, generating 2.682 million kwh of electricity, with a power generation cost of 46.58 yuan per kwh.

Baihou Hydropower Station, located on Meitan River in Dongshan Village, Baihou Town, dapu county, started construction on August 1965. It is a back dam hydropower station designed by Zheng Kelong of Tai Po Hydropower Bureau. The river dam is 130m long and 10.5m high, which is the first hard-shell masonry dam in the county. The rainwater harvesting area upstream of the dam site is 126 1 km2. Design head 12m, single machine flow of 9.06m3/s, three installed machines, each with 800kW (3× 800kW), in August 197 1 year, June/974 1974, respectively. The original 10 kV step-up power transmission was changed to 35 kV, and the power was directly supplied to the county. 1984, 165438+ 10, the rubber dam designed by the engineer of dapu county hydropower bureau was put into operation. The rubber dam is1.5m high and129.84m long, with a total cost of 350,000 yuan. Irrigation and drainage are used for ups and downs.

Xihe Hydropower Station is located on Zhangxi River in Shanghuangsha Village, xihe town City, dapu county, and started construction in August of 1970. It is a back dam hydropower station. The dam is a masonry hard shell dam with a length of 78m and a height of10.5m.. The rainwater collection area at the upstream of the dam site is 660 square kilometers, the design head12m, the design single machine flow rate is 5. 1 m3 per second, and there are 3 installed machines, each with 500 kilowatts. Three units were put into operation in 1975, 65438+ 10, 1977, 1979 and 65438+February respectively. 1988, 60 employees, annual power generation of 689.7 1 10,000 kwh, and the power generation cost per kwh is 38.65 yuan. Maximum power generation1985,920120,000 kwh. 1in the winter of 1987, in order to prevent siltation in the reservoir area, more than 400,000 yuan was invested to rebuild the arc sediment sluice on the left bank of the dam, so that the unit resumed full-load operation.

Sanheba Hydropower Station is located at the outlet of Meitan River in Huidong Village, sanhe town City, dapu county. It is a back dam power station built by changing the head formed by dikes. 1982 started, and the technical director is Liu Bingkun, an engineer of Tai Po Hydropower Bureau. The rainwater collection area at the upstream of the dam site is 1.603 square kilometers, with an average annual flow of 46 cubic meters per second, a design water head of 1.3 meters, and a design single machine flow of 3 1 cubic meter per second. Two machines are installed, each with 2,500 kilowatts, in February of 1.988 and/kloc-0 respectively. Shen Du earth dam, one of the main projects, is 15. 1 m high and 378 m long. Check the storage capacity 1 1.3 million cubic meters, reaching the national standard for medium-sized reservoirs. Dimati is located in Ma Di Village, dapu county on the east bank of Tingjiang River. Construction started in September. 1974. It took two years to build a 2.2-kilometer-long flood control levee, install four 55-kilowatt electric pumps, and cooperate with gravity drainage culverts to eliminate waterlogging. The project cost is 586,000 yuan, including 330,000 yuan invested by the state and 320,000 man-days invested by the labor force. 293,000 cubic meters of earthwork, 4,500 cubic meters of stone and 260 cubic meters of concrete have been completed. Cultivated land protected by dikes 1208 mu, 205 households, 1 105 people.

Huicheng dike, Huicheng Village, Sanhe Town, dapu county, is located at the intersection of Meijiang River and Tingjiang River. Huicheng levee was started in June 1974 and completed in June 1982. The dike is 9m high, 3m wide at the top and1.9km long. There are 3 drainage culverts on the embankment, each hole is1.1×1.1m, and the drainage flow is10.35m3/s, which is matched with an electric drainage station with a capacity of 1 55kw to remove waterlogging. The state invested more than 300,000 yuan and invested 450,000 man-days, completing 360,000 cubic meters of earthwork and 8,500 cubic meters of stone. The cultivated land area is 232 mu and the population is 1600. It's just that the dam is a pile of soil with poor quality. When the water level exceeds 46 meters, leakage occurs in many embankment sections. After the completion of this project, it was listed as a key flood control project.