For example, medium pressure feed water temperature of the heating steam atmospheric pressure fire tube boiler mostly heated to 172 deg.] C, typically heated to a high pressure furnace 215 ℃. Since the causes of the leakage of high pressure heater, water supply to the boiler feed water through the bypass when the high pressure splitting operation in the heater. After the temperature of the boiler feed water decreases, the fuel portion of the heat to be used to increase the water temperature.
Recently, Beihai City, Guangxi Province, issued a notice of Beihai City in Spring 2019, the comprehensive management of tackling air pollution control action program (hereinafter referred to as "Notice"), mainly for the further implement the State Council "to win the Battle of Blue Sky three-year action plan" " Guangxi tackling air pollution control three-year operational plan (2018-2020 years) "and" Guangxi 2019 spring tackling air pollution control comprehensive management action plan "to complete the Beihai tackling air pollution control tasks and achieve the 2019 goal of improving the quality of atmospheric environment.
First, the key tasks
1, and comprehensive utilization of straw Jinshao special action. County area to develop and implement straw Jinshao work program, refinement department, streets, towns, villages regulatory responsibility, the implementation of "fixed, regular, fixed people, will be responsible for" management and control, establish full coverage, no dead ends grid of the regulatory system, full use of the overhead video, satellite remote sensing, unmanned aerial vehicles inspections, straw burning a variety of means to closely monitor the information grid monitoring platform. Strengthen the inspection of law enforcement inspection, severely crack down on open burning of straw behavior. Increase efforts to promote comprehensive utilization technology of straw, conditional county incentives to take subsidies. Focus on sugarcane crop leaf prohibiting the work, in accordance with the principle of territorial management, the development of sugar cane leaves prohibiting management program, to strengthen the unified management, unified utilization, unified treatment and disposal. Municipal Agricultural Bureau, the Municipal Office of the sugar industry to strengthen guidance and support for the comprehensive development of the use of sugar cane leaves, the full implementation of mechanized harvesting of sugarcane, sugar cane fields and comprehensive utilization of straw has broken.
2, urban dust comprehensive management of special operations. The urban dust control content into the focus of supervision and improve the system of dust control mechanisms, the establishment of the construction site with information technology platform construction, water conservancy projects, the implementation of dynamic site inventory management. Supervise the implementation of the site around the site enclosure, stockpiling cover, wet earth excavation work, the main road hardening, cleaning out the vehicle, sediment transport vehicles sealed "six percent", temporarily unable to start construction land should be covered. The construction site dust pollution prevention and control into the "civilized construction" category management, dust control costs are included in the project cost; according to the law will not be in place of harmful dust management information into the construction market credit management system, in serious cases, be included in the construction market players " blacklist". Rinse vigorously promote road sweeping mechanized operations, improve road mechanized cleaning of urban built-up area. Sediment transport, coal, ore, gravel and other transportation vehicle is not confined to do, strictly punished according to law.
3, industrial enterprises air pollution comprehensive management of special operations. According to Beihai City "scattered pollution" inventory accounting, to further improve that standard and rectification requirements, classification of promoting the "messy dirty" business regulation, focusing on remediation of the city and the surrounding "messy dirty" business. Strengthen the coal-fired boilers (including biomass boilers) and brick, ceramics and other industries industrial furnaces supervision, strengthen law enforcement. Encryption of iron and steel, building materials, nonferrous metals, thermal power, cement, brick, calcium carbonate and other business materials (waste) storage, handling, crushing, transportation and other aspects of the inspection frequency of inspections, strict implementation of consecutive daily penalties, limited production shutdown and other means strictly according to law penalties for environmental violations. Focus sessions focused their attention on the process of pollution, thermal power, steel, cement, bricks, ceramics, wood processing, sugar high emission enterprises, especially in built-up urban area of business, and strictly control the total amount of air pollutant emissions.
IBR steam boiler manufacturer in India
Boiler industry can not be ignored safety precautions during heating steam atmospheric pressure fire tube boiler operation, accidents have occurred when water hammer, burst pipes and so on. This paper starts from the boiler management of the whole process, analyzes the causes of accidents resulting boiler, combined with management practices proposed effective preventive measures. This has some practical significance for the prevention of boiler accident. Boiler safety hazard is the direct cause of the accident Boiler: Boiler irrational structure portion resulting in insufficient strength member, poor circulation, or heat boiler deviation not free to expand and the like. Boiler material not meet quality requirements; improper manufacturing process, the presence of internal stress pressure member; sewage outfall mounted too high, the sludge is not discharged; ends slide boiler expansion point congestion, pipe expansion plug, valve design is unreasonable, the adjustment does not meet the requirements; unreasonable level gauge mounting position; gauge connection tube allowed or not allowed. Require the installation fails; explosion vent excess pressure or insufficient area; unreasonable design of the exhaust gas temperature. Causing poor operation and management boiler or a boiler filled with water; Water boiler fouling results in poor management; difference causes oxygen Temperature Corrosion of metal; discharge delay results in a high alkaline water boiler; boiler due to poor atomization adjusting a difference; incomplete combustion flame does stable or inclined; combustion system malfunction or failure itself leads to the boiler combustor flameout. In summary, boiler installation, improper operation unreasonable and supporting technologies, will lead to various accidents boiler, enterprises and workers to bring the loss of life and property. As long as the understanding and knowledge of the law of boiler accident risks, strict control of boiler design, boiler installation, boiler management, improved management practices and improve boiler, boiler accidents can be avoided, to avoid accidents.
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