Electrochemical energy storage batteries are becoming a new member of the energy storage family due to their modular assembly and high energy conversion efficiency. Representative energy storage batteries include lithium-ion batteries, sodium-sulfur batteries, and all-vanadium flow batteries. Wait. However, during the demonstration of battery energy storage technology and commercial operation, there are also problems that the energy storage battery system has a high construction cost and the number of cycles under deep charging and discharging conditions is small. How to promote the sustainable development of the battery energy storage industry under the existing battery energy storage technology conditions, put forward the following suggestions:
(1) Synchronous planning and simultaneous development of energy storage and renewable energy. Because renewable energy is unstable and has intermittent characteristics, the smooth output of renewable energy can be achieved through the shallow charge and discharge of energy storage cells, reducing the impact of renewable energy access on the grid, and greatly increasing access to the power grid. Renewable energy production, and shallow charge and discharge can greatly extend the cycle life of energy storage batteries. Therefore, in planning new energy generation and grid transmission lines, corresponding energy storage solutions should be matched to promote the simultaneous development of energy storage and renewable energy.
(2) Lada Peak Valley electricity price difference and time-sharing electricity price difference, and the implementation of energy storage price policy. Lada Valley Valley electricity price difference and time-sharing electricity price difference, to achieve a reasonable allocation of power resources, while creating the value of energy storage investment. The energy storage price policy was implemented, and cost-benefit accounting was adopted to form an on-grid tariff for renewable energy including energy storage.
(3) Explore new business models for energy storage industry. The energy storage industry is a new industry, and it is inseparable from the innovation of the business model to promote new industries. It is recommended that relevant government management departments and scientific and technological units promote the development of business models or market mechanisms such as the clean development mechanism, financial leasing, and energy contract management to promote economic development. The sustainable development of the energy storage industry.
(4) Promote the marketization of distributed optical storage power plants. Under the national policy of vigorously supporting distributed photovoltaic power generation, we should actively promote the research and demonstration operations of rooftop photovoltaic power stations equipped with energy storage systems, tap the potential market demand of community energy storage systems, and sell surplus power directly to large consumers. Instead of selling it to electric power companies, it explores the market-oriented operation mechanism of distributed optical storage power stations that are self-contained and self-proclaimed to achieve the sustainable development of the energy storage industry.
Ball valve is evolved from the plug valve, its opening and closing parts as a ball, using the ball to rotate 90 degrees around the axis of the stem to achieve the purpose of opening and closing, the difference is that the cock body is a ball, with a circular through hole or channel through its axis. The ratio of the sphere to the passageway should be such that when the ball is rotated 90 degrees, the inlet and outlet should be completely spherical, thus cutting off the flow.
The role of ball valve in the pipeline is mainly used to cut off, distribute and change the direction of media flow, designed into the V-shaped opening ball valve also has good flow regulation function.
Ball valve is not only simple in structure, good sealing performance, but also in a certain nominal range of small volume, light weight, less material consumption, small installation size, and driving torque is small, easy to operate, easy to realize rapid opening and closing, is one of the fastest developing valve varieties in recent decades. Especially in the United States, Japan, Germany, France, Italy, West, Britain and other industrial developed countries, ball valves are widely used, the variety and number of use is still continuing to expand, and to high temperature, high pressure, large mouth, high sealing, long life, excellent regulatory performance and a valve multifunctional direction, its reliability and other performance indicators have reached a higher level, And has partially replaced Gate Valve, Globe Valve, Regulating Valve.
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