The supervising department used the sprinkler to fulfill its duties to eliminate smog. The municipal office of the Environment Commission held an interview with the economic development zone, the business center area management committee, the residential construction and urban management departments, and asked all units to strictly perform their duties of environmental protection. The construction site in the area has implemented the “six hundred percent†measures to improve the quality of road cleaning, and adopted strong measures to reduce dust emissions. It is reported that since the beginning of last year, the atmospheric pollution situation in the city is very serious. Recently, provincial and municipal environmental supervision and inspections found that 29 construction sites are located opposite the high-speed railway south station of the city's business center area, the northwest side of Yiwu commercial city, Hedi North Road, Daling Middle Road, Liufeng North Road, and the intersection of Lakeside Industrial Park. Dust suppression measures are not in place. Spraying, washing and other facilities have not been built as required. No enclosures have been set up. The loess has been exposed on a large area of ​​the construction site. Sand and gravel materials have been stored in open air. Vehicles in and out of the site have brought a lot of mud to urban roads, causing serious dust pollution. . In response to the problems in the city’s air pollution, the office of the Environment Commission requested that dust prevention and control work should be highly regarded, fine control of dust control must be implemented, strict requirements should be imposed on the construction sites in the area, and environmental protection investment should be increased for municipal construction projects to improve the fencing and coverage. Measures such as spraying, flushing and other dust suppression measures, purchase sprinklers, spray guns, etc., and increase the frequency of watering, strictly follow the “six percents†standard for construction and road construction operations, and control dust pollution throughout the entire process. At the same time, strict management of the waste transportation vehicles is strictly prohibited, with mud on the road, from the source control of urban road pollution. In addition, it is required to strengthen the management of coal fired by market vendors, actively promote the conversion of coal to gas, and eliminate coal ash pollution. The municipal office of the Environment Commission also requested various departments to increase the management of environmental sanitation in back streets and alleys, expand the coverage of sanitation, sprinkle the frequency of cleaning and cleaning on encrypted roads, improve the quality of cleaning, and strictly enforce heavy penalties for violations, investigate and deal with them in accordance with the law to form a deterrent. .
Gate
valve is usually used for shutting off or connecting the medium flow but not recommended
for throttling action.
Nominal
pressure of brass gate valves 1.6MPa and medium temperature for metal seal is -20℃~150℃. When the Gate Valve is used for saturated
steam, the pressure of the saturated steam should be≤0.6MPa.
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