From June 7th to 9th , at the " 2023 China Water Expo and China (International) Water Summit Forum", "smart water conservancy" became a hot topic again .
Smart water conservancy is the innovative application of relevant advanced concepts and high-tech in the water conservancy industry in the construction of a smart society represented by smart cities. It is a comprehensive application of cloud computing, big data, Internet of Things, sensors and other technologies. Compared with traditional water conservancy, smart water conservancy can promote the intelligence of water conservancy planning, project construction, operation management and social services, improve the utilization efficiency of water resources and the defense ability of flood and drought disasters, improve the water environment and water ecology, and ensure national water security and sustainable economic and social development.
The rise of all new technologies has its corresponding era background, and smart water conservancy is no exception.
Smart water conservancy emerges in due course
In the 20th century, with the recovery and development of the economies of various countries, the water conservancy industry has entered a new period of vigorous development. However, in some places, due to the excessive development of water and land resources, or failure to effectively protect them, it has caused bad results. For example: a large number of rivers and lakes have been encroached on, reducing flood control capabilities; deforestation of forests and grasslands has exacerbated soil erosion; industrial and mining discharges toxic wastewater, polluting water sources; excessive exploitation of groundwater has caused water crisis, etc. Therefore, the water conservancy industry is facing many new issues.
In the 21st century, with the support of information technology, through the application of emerging technologies such as cloud computing, big data, Internet of Things, mobile terminals, artificial intelligence, water conservancy models, sensors, etc., the water conservancy industry management department serves the people's livelihood water conservancy projects and In the field of urban water affairs, new requirements have been put forward.
In recent years, through the vigorous guidance of the state, the concept of smart water conservancy came into being.
With the advancement of digital construction of water conservancy, the concept of "water conservancy digital twin" is frequently mentioned along with "smart water conservancy". The water conservancy digital twin project refers to the complex system that virtually reproduces the real water conservancy project in the digital space. Its utility can include at least six aspects: disaster prevention and mitigation, water quantity dispatching, water quality monitoring, water and soil erosion control and monitoring, water conservancy project operation and management, energy Effectively improve the level of digitalization, networking, and intelligence in water conservancy undertakings.
Policy promotes rapid development
The Ministry of Water Resources has always attached great importance to the construction of water conservancy informatization, and put forward the overall requirements for promoting the modernization of water conservancy with water conservancy informatization. In May 2017, the Ministry of Water Resources officially issued the "Guiding Opinions on Promoting the Development of Water Conservancy Big Data", which aims to promote the sharing and opening of data resources in the water conservancy industry and promote the development and innovative application of water conservancy big data.
In 2019, the Ministry of Water Resources' "Guiding Opinions on Accelerating the Advancement of Smart Water Conservancy" pointed out that promoting the construction of smart water conservancy in an all-round way is an important measure to accelerate the modernization of water conservancy in the new era.
Since the "14th Five-Year Plan", the state has repeatedly promoted the construction of a smart water conservancy system at the policy level. The Outline of the "14th Five-Year Plan" clearly proposes "to build a smart water conservancy system, and to improve the ability of water regime forecasting and intelligent dispatching with the basin as a unit". The Ministry of Water Resources attaches great importance to the construction of smart water conservancy, and regards it as one of the important implementation paths to promote the high-quality development of water conservancy in the new stage. According to the general requirements of "capacity and capacity improvement", 11 key water conservancy projects are given priority to carry out the construction of digital twin water conservancy projects, and play a leading role in technological breakthroughs and demonstrations to help the construction of smart water conservancy across the country.
On December 21, 2021, the construction of the first digital twin water conservancy project in the national water conservancy industry, the Datang Gorge digital twin project, was officially launched.
On January 15, 2022, the first trial task of smart water conservancy successfully passed the acceptance. The Ministry of Water Resources organized and completed the acceptance of 11 units and 36 pilot tasks. The pilot work successfully completed the set tasks and achieved positive results.
Market prospects
On September 13, 2022, at a series of press conferences on the theme of "China's This Decade", Zhang Xiangwei, director of the Planning and Planning Department of the Ministry of Water Resources, introduced that in the past ten years, the investment in water conservancy construction across the country has reached 6.66 trillion yuan, which is five times that of the previous ten years. times.
The data shows that the digital investment in the water conservancy industry currently accounts for 1% to 2%. Driven by relevant policies and projects, it will enter an acceleration cycle of informatization investment in the next few years. It is expected that the investment will reach 2.2% in 2025. By then The increase in the proportion of digital investment will bring about a smart water conservancy market space of over 20 billion yuan per year.
Under the traction of smart water conservancy construction, especially the steady promotion of digital twin watersheds, digital twin water networks, and digital twin water conservancy projects, the proportion of digital investment has steadily increased, which will bring broad market space. Major technology suppliers are actively deploying the smart water conservancy market, and cooperate with partners to launch solutions based on emerging technologies such as big data, artificial intelligence, Internet of Things, and spatial information. With the continuous and in-depth application of new technologies, water conservancy will continue to be empowered in the future The industry builds a digital twin system.
Qianxun location helps smart water conservancy construction
Smart water conservancy is often realized through a series of composite integrated projects, which often require professional ICT (information and communication technology) and solution provider ecological cooperation to complete the project. Among the army participating in the construction of smart water conservancy, many emerging technology companies have emerged.
Taking Qianxun location as an example, it is guided by the top-level design of smart water conservancy construction and customer needs, making full use of Beidou's high-precision positioning, unified time-space reference and short message communication capabilities, based on the digital twin core of independent research and development and cloud map integration Products, combined with top industry partners, provide innovative solutions for application scenarios such as water conservancy project safety monitoring, water environment management, river basin flood control, urban waterlogging prevention, etc., empower the water conservancy industry with Beidou space-time intelligent technology, and improve the "four predictions" of smart water conservancy "capabilities to help the construction of water conservancy digital twins.
Aiming at the various pain points that existed in the industry before, Qianxun Position innovatively proposed five water conservancy digital twin solutions——
1. Solutions for rainwater forecasting and safety monitoring of small and medium reservoirs
2. Beidou/GNSS automatic deformation monitoring solution for water conservancy and hydropower projects
3. Water environment intelligent management solution
4. Comprehensive solutions for flood control in small and medium-sized watersheds and urban flood control
5. Water conservancy digital twin geospatial data floor solution
Up to now, the five water conservancy digital twin solutions have served many water conservancy projects across the country, accepted practical tests, and achieved good results. There are mature projects launched in Hubei Ezhou, Guangxi Longtan, Shaoxing Shangyu, Anhui Tongling, Shandong Jining and other places:
Hubei Ezhou Reservoir Dam Safety Monitoring Facility Construction Project
Build a reservoir rainwater forecasting and safety monitoring platform, and display the status information, real-time data, and early warning information of each equipment through a GIS map to ensure the appropriate water storage and safe operation of the reservoir, and realize the information management of the reservoir.
Beidou high-precision deformation monitoring project of Guangxi Longtan Hydropower Station
Based on the application of high-precision deformation monitoring technology of Beidou satellite navigation system, a set of Beidou high-precision monitoring system is formed that is "combined with peacetime and wartime, effective, stable, reliable, and economical and convenient". , uninterrupted, high-precision deformation monitoring, to meet the application requirements of hydropower dam operation safety supervision and management.
Application of intelligent supervision of river and lake chief system in Shangyu District, Shaoxing
Reengineered the event handling process of "discovery-dispatch-handling-feedback" for water environment governance, realized closed-loop management of events, through online analysis and in-depth interaction of offline water control, task implementation and tracking and supervision of cloud-end synchronization, changing the traditional The time and space constraints of water governance have realized the iteration of the performance of water environment governance.
Anhui Tongling City Smart Flood Control System
Through the Beidou precise positioning technology, the accurate collection of information is improved. Flood control information is comprehensively summarized, and the shortest time is the highest efficiency. Real-time information is synchronized with flood control departments at all levels to improve the inspection efficiency and data accuracy during the flood season. Through the deep processing and integration of effective data and knowledge mining, intelligently improve the level of urban flood control in the future.
Shandong Jining Smart Water Conservancy Project
Relying on the characteristics of fast, high-precision, strong penetrability, and fast point cloud generation of the Qianxunyi QX-200XT lidar system, it can quickly and accurately obtain three-dimensional information of landforms and features, easily penetrate the vegetation on both sides of the river, and accurately Real terrain data is collected, and the data post-processing software supports automatic de-drying classification, and one-click extraction of river section.
It is expected that Qianxun location will further promote the implementation of projects in various places in the future, so that the intelligent functions of water conservancy digital twins can be more fully displayed.