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According to the "Notice on Immediately Organizing the National Electricity Price Inspection," issued by the Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Supervision, the Ministry of Environmental Protection, the State Electricity Regulatory Commission, and the National Energy Administration, the key inspection scope Including the power generation companies in violation of the national desulfurization price policy, do not follow the provisions of the desulfurization device put into operation desulfurization pricing behavior; power grid companies do not implement or reduce the standard implementation of desulfurization price, unauthorized deduction of desulfurization price behavior, and in violation of the state provisions of the on-grid tariff policy , Pressing down or disguisedly depressing the electricity price of power generation companies.
The "Notice" requires that local governments and their relevant departments must stop the implementation of ultra-privilege tariff concessions for high-energy-consuming enterprises and various industrial parks by May 10th, and the relevant ultra-rights documents must be immediately repealed. Power grid enterprises at all levels must implement new differential tariff policies for high-energy-consuming industries starting from June 1 in accordance with state regulations. Any areas that do not correct their own preferential electricity prices for high-energy-consuming enterprises and various industrial parks within the prescribed time limit will be publicly notified, and the supervisory organs will seriously pursue the administrative responsibilities of the relevant administrative leaders and department heads.
The six departments emphasized that the relevant power companies that do not strictly implement the state-differentiated electricity price, on-grid electricity price, and desulfurization electricity price policy shall be punished with a maximum penalty of 5 times in addition to the confiscation of all illegal prices. The typical cases of serious circumstances and poor quality are to be publicly exposed through the news media.
In order to promote the in-depth inspection work, the six departments including the National Development and Reform Commission will form six joint inspection teams and go to six large regions for key inspections.
The three departments of the National Development and Reform Commission, the Ministry of Environmental Protection, and the State Electricity Regulatory Commission will form 31 inspection teams by province (autonomous regions, municipalities directly under the Central Government), and conduct direct inspections on some key areas and key enterprises. At the same time, more than 10,000 inspection personnel from all over the country organized a comprehensive investigation of the implementation of the differential power tariffs for the implementation of ultra-rights and implementation of preferential tariffs and high energy-consuming enterprises, and conducted a pull-net for the implementation of desulfurization and feed-in tariffs for all thermal power generation enterprises. Check to ensure full coverage of all investigated units.
The National Development and Reform Commission stated that the above inspection aims at implementing the spirit of the State Council's “Notice on Further Strengthening Work to Ensure the Implementation of the “Eleventh Five-Year Plan†for Energy Conservation and Emission Reduction Targetsâ€, strictly implementing the differential tariff policy for high energy-consuming enterprises, and resolutely correcting the implementation of local ultra vires. Preferential electricity prices, severely investigating the behavior of power companies that do not implement national policies for on-grid tariffs and desulfurization prices, effectively promote economic restructuring and changes in economic development patterns.
Butterfly Valve is a valve which can be used for isolating or regulating flow. The closing mechanism takes the form of a disk. Operation is similar to that of a Ball Valve, which allows for quick shut off. Butterfly valves are generally favored because they are lower in cost to other valve designs as well as being lighter in weight, meaning less support is required. The disc is positioned in the center of the pipe, passing through the disc is a rod connected to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. Unlike a ball valve, the disc is always present within the flow, therefore a pressure drop is always induced in the flow, regardless of valve position.
A butterfly valve is from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. The "butterfly" is a metal disc mounted on a rod. When the valve is closed, the disc is turned so that it completely blocks off the passageway. When the valve is fully open, the disc is rotated a quarter turn so that it allows an almost unrestricted passage of the fluid. The valve may also be opened incrementally to throttle flow.
There are different kinds of butterfly valves, each adapted for different pressures and different usage. The zero offset butterfly valve, which uses the flexibility of rubber, has the lowest pressure rating. The high performance Double Offset Butterfly Valve, used in slightly higher-pressure systems, is offset from the centre line of the disc seat and body seal (offset one), and the centre line of the bore (offset two). This creates a cam action during operation to lift the seat out of the seal resulting in less friction than is created in the zero offset design and decreases its tendency to wear. The valve best suited for high-pressure systems is the Triple Offset Butterfly valve. In this valve the disc seat contact axis is offset, which acts to virtually eliminate sliding contact between disc and seat. In the case of triple offset valves the seat is made of metal so that it can be machined such as to achieve a bubble tight shut-off when in contact with the disc.
Butterfly Valve
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