Engineering Cases

Seawater Circulating Water PCCP Project of Hengli Petrochemical (Dalian) Refining and Chemical Project

Hengli Petrochemical (Dalian) Refining and Chemical Co., Ltd. 20 million tons/year refining and chemical integration project is located in Dalian Changxing Island, which is a national key project. In 2017, the company signed a construction contract with Hengli Petrochemical for the production and installation of seawater circulating water prestressed steel cylinder concrete pipe (PCCP), the main supply products are PCCPL1000 ~ PCCPE2800 pipe and its pipe fittings, and provide PCCP pipe installation services for the project.

South-to-North Water Diversion Middle Route Water-receiving Area Water Supply Supporting Project

The middle route of the South-to-North Water Transfer Project is to transfer water from the Danjiangkou Reservoir in the upper and middle reaches of the Hanjiang River, the largest tributary of the Yangtze River, across Hubei and Henan provinces (the water source mainly comes from the Hanjiang River). The main canal is excavated at the head of the project in Xichuan County, Henan Province on the east bank of the Danjiangkou Reservoir.The main canal spans Henan, Hebei, Beijing and Tianjin provinces and municipalities directly under the central government. The water receiving areas are 14 large and medium-sized cities along the line, including Nanyang, Pingdingshan, Xuchang, Zhengzhou, Jiaozuo, Xinxiang, Hebi, Anyang, Handan, Xingtai, Shijiazhuang, Baoding, Beijing and Tianjin. Focus on solving the problem of water shortage in Henan, Hebei, Beijing, and Tianjin, and provide water for production, living, industrial and agricultural water for more than a dozen large and medium-sized cities along the route. The total area of the water supply area is 155000 square kilometers, and the total length of the main water delivery canal is 1277 kilometers., Tianjin water delivery branch line is 155 kilometers long.

Diversion Project from Yangtze River to Huaihe River

The Yangtze River to Huaihe River Diversion Project is a large-scale inter-basin water transfer project focusing on urban and rural water supply and the development of Jianghuai shipping, combined with irrigation and water replenishment and improvement of the water ecological environment of Chaohu Lake and Huaihe River. From south to north, it is divided into three sections: river diversion to nests, Jianghuai communication and river water transmission to the north. the total length of the water transmission line is 723 kilometers, including 88.7 kilometers of newly opened canals, 311.6 kilometers of existing rivers and lakes, 215.6 kilometers of dredging and expansion, and 107.1 kilometers of pressure pipelines.

Zhengkai City East Water Supply Project

The main task of Zhengkai City East Water Supply Project is to supply water to the eastern region of Zhengzhou and the urban area of Kaifeng City. The first phase of the project uses the No. 20 water gate to increase the scale of water supply to the planned new Jiulong Water Plant and Kaifeng City Water Plant in the eastern part of Zhengzhou, the planned new water plant and the planned water plant in the eastern part of Zhengzhou.

"Four Counties and One District" South-to-North Water Diversion Project in Xinxiang City

Xinxiang City's "Four Counties and One District" South-to-North Water Diversion Supporting Project East Route Project is a major livelihood project to build a local water network, optimize regional water resources allocation, enhance water supply capacity, improve the ecological environment, and ensure water use for urban and rural residents. The total investment is 1.752 billion yuan.

Water Resources Allocation Project in Northern Hubei

The water resources allocation project in northern Hubei is a major livelihood project with the largest scale, the widest coverage and the largest beneficiary population in the history of local water conservancy construction in Hubei Province, with a total planned investment of 17.95 billion billion yuan and a total length of about 269 kilometers of water transmission lines. In 2016, the company successfully won the bid for the third batch of PCCP procurement projects in 2015 for the water resources allocation project in northern Hubei. The products include PCCPE3800 pipes and pipe fittings. For the smooth implementation of this project, the company designed and built a domestic advanced PCCP production line and a multi-functional pipe fittings production line. The project is an important symbol of the development of China's PCCP pipeline industry, with milestone significance and far-reaching influence.

Xiehe Xiangzhou Xiangbei Wind Storage Integrated Wind Farm Project

Xiehe New Energy Xiangzhou Xiangbei Wind Storage Integrated Wind Farm Phase I Project, with a planned construction capacity of 100MW, will build a 220KV booster station, and the generated power will be led to the 220KV side of 220KV Niushou Transformer nearby through a 220kV overhead line. The company produced 20 sets of 5MW windmill concrete tower tubes for the project, which were delivered in time with good quality and quantity, and were praised and praised by the owners, construction parties and supervisors.

Series Water Diversion Project in Jiangsu Province

Jiangsu governs the river and the sea, the Huaihe River and the lake, the economy is prosperous, the education is developed, and the culture is prosperous. The Yangtze River Delta urban agglomeration composed of Shanghai, Zhejiang and Anhui is one of the six world-class urban agglomerations in the world. In recent years, the company has won the Jiangsu Yangtze River water series project, Suzhou Qingyuan Water Industry Taihu Lake water project, Kunshan series water supply project, Xinyi surface water plant water supply project and other projects of the PCCP pipe procurement bid, the supply of products for the PCCPL600 ~ PCCPE2400 pipe and pipe fittings. These projects have a large number of orders, involving a wide area, and are important water delivery projects to develop the local economy and benefit the people's livelihood.

Longhekou Water Diversion Project

The total investment of Longhekou Water Diversion Project exceeds 1.5 billion yuan, with a total designed water conveyance scale of 600000 m/d. The water conveyance pipeline adopts PCCP pipe DN2400 diameter. The starting point of water diversion is Longhekou Reservoir in Shucheng County, and the ending point is Modun Reservoir in Feixi County. It is divided into two bid sections of Shucheng and Feixi. The cost of the first bid section of the Longhekou Water Diversion Project is 0.721 billion yuan, and the construction period is 22 months. The project passes through 4 towns and 25 villages along the line, with a total length of 33.92 kilometers.

CHAOHU CHANGJIANG WATER SUPPLY PROJECT

The estimated total investment of the Yangtze River water supply project in Chaohu City is 2.4379 billion yuan, and the main contents of the construction are a water pipeline with a water intake scale of 480000 cubic meters per day (including 380000 cubic meters per day in Chaohu City and 100000 cubic meters per day in hanshan county) and two pumping stations. The water pipeline runs from the water intake of the main stream of the Yangtze River, passes through Hexian County, Hanshan County and Chaohu City, and ends at Sanshui Plant in Chaohu City. The total length of the water delivery route is about 77.8 kilometers.

Guangdong Water Resources Allocation Project around Beibu Gulf

The Guangdong Water Resources Allocation Project around the Beibu Gulf is one of the national water network backbone projects and one of the 150 major national water conservancy projects. It is a major livelihood project planned and constructed by the Guangdong Provincial Party Committee and the Provincial Government to coordinate the future development of the four cities in western Guangdong. It is a major water conservancy project with the largest water diversion flow, the longest water transmission line, the most complex construction conditions, and the largest total investment in Guangdong Province so far.On February 10, 2023, the company won the bid for the purchase of PCCP pipes for the Guangdong Water Resources Allocation Project around the Beibu Gulf. The project content is the prestressed steel cylinder concrete pipe (PCCP) and its accessories required for the joint and thunder sections of Zhanjiang's main line. The planned delivery time of the goods is May 31, 2023, and the delivery period is tentatively set at 3 years. The specific time shall be implemented according to the supply plan reviewed by the supervisor and approved by the tenderee. The bid winning amount is RMB 0.692 billion yuan.

Guangdong Lufeng Jiahuwan Power Plant PCCPE4000 Pipeline Project

Guangdong Lufeng Jiahuwan Power Plant PCCPE4000 Pipeline Project is a new project of Jiahuwan Power Plant circulating water system PCCP pipeline, the project is located in Lufeng City, Guangdong Province. In 2016, the company successfully won the project PCCP pipeline procurement bid, the supply products are special anti-corrosion PCCPE4000 pipe and its pipe fittings.

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