Recently, the Fujian Provincial People's Government formulated and issued the "Fujian Blue Sky win the Battle of three-year action plan to implement the program" (the "Program"), "plan" will fully implement the spirit of the party of nineteen, in strict accordance with the National Ecological environmental protection requirements, adhere to the development of new concepts, rule by the people, respect the source of prevention, treating the symptoms and so on, determined to win the battle of the blue sky.
"Program" Total thirty-nine, according to Xiao Bian finishing, a total of six boilers relevant content for your reference.
1, deepen industrial pollution control. As of the end of 2020, the completion of the sewage pipe catalogs specified in the license issued by the licensing industry issues, increase exceeded, waste-water treatment, fraud and other illegal activities. Promote key industries pollution control upgrades, the focus control area will strictly implement the Ministry of Environmental Protection issued the "Notice on the implementation of air pollutant emission limits in particular", the use of natural gas, Fuzhou, Quanzhou, in principle, two new projects to further promote the building construction ceramics ceramics pollution remediation; Zhangzhou City, the implementation of boiler "coal to gas" project.
2, optimizing energy structure. Until 2020, primary energy consumption control in 142 million to 1.62 million tons of coal, coal in primary energy consumption is reduced to 41.2%, increase the proportion of clean energy to 28.3%.
3, accelerate natural gas applications. Speed up the construction of natural gas infrastructure, improve the natural gas pricing mechanism, to further increase the use of natural gas.
4, an alternative propulsion power. Transportation, construction, industry, food, agriculture, tourism and other fields to accelerate alternative energy work. By 2020 the proportion of energy use accounts for about 29%.
5, deepen the comprehensive improvement of coal-fired boilers. Eliminated, shutting down 300,000 kilowatts of coal-fired boilers environmental performance is not up to energy security. And to carry out comprehensive improvement of the way and central heating coal-fired boiler. Cities above county level out of 10 tons of steam / sales and less coal-fired boilers, no new 35 steam tons / hour of coal-fired boilers.
6, strengthen the construction and management of the combustion zone ban. Each urban renovation to increase the range of high-pollution fuel combustion zone ban according to a division range, and punishes violation of the ban on burning zone management requirements.
7, improve energy efficiency. Dual control sustained energy consumption and working examples intensity. Strict management of energy-saving, energy-saving equipment industry and other key areas of work, to promote energy-efficient technology and low nitrogen products.
8, expand industrial furnaces governance. Localities to develop according to their industrial furnace implementation of comprehensive improvement program for non-compliance of industrial furnaces, small and medium sized furnace gas generator out of efforts to encourage the use of electricity, natural gas and other clean energy.
All cities in Fujian Province will strictly follow the "program" the development requirements of the implementation of the measures, so that the people responsible life, contribute to environmental protection goals.
The boiler is important to the national economy electricity energy supply equipment, machinery, metallurgy, chemicals, textiles, paper, food and other industries, as well as industrial and civil heating boiler needs to supply large amounts of heat. Boilers using fuel combustion energy released or other energy to the working fluid (heat carrier intermediate) is heated to a certain device parameters. For heating the water to make it into the boiler steam is known as steam boilers, also known as a factory directly sale vertical steam generator for heating water to make them more water into the boiler temperature, known as the hot water boiler for heating of Heat Transfer Fluid It called boiler organic heat carrier boiler. From the energy point of view, the energy conversion device is a boiler. In a boiler, a chemical energy (fuel) storage by the combustion process into the combustion products (flue gases and ash) contained some heat, then the heat transfer process by transferring heat to the intermediate heat medium (e.g. water, and steam), it relies on the heat transport device to heat. This intermediate heating medium to transfer heat energy belonging to the second, because its purpose is to provide a device capable Into energy. When the intermediate heating medium for heat conversion in a thermal power machine, the work called quality. If only the intermediate transmission to the heating medium heating device to provide heat for heat utilization, is usually referred to as heating medium. It can be divided into four categories according to their use boiler power plant boilers, industrial boilers, marine boilers and locomotive boilers. The first two categories, also known as fixed boiler, because it is mounted on a fixed basis and immovable. The latter two are called mobile boiler. This book presents a stationary industrial boilers. The boiler in three main processes: (1) the fuel combustion in the furnace, which can be released in a chemical storage form of energy, the flame and products of combustion (flue gases and ash) having a high temperature. (2) high-temperature flame and smoke for heating the working fluid (heat medium) by heat transfer. (3) working fluid (heat medium) is heated to raise its temperature of vaporization or saturated steam, or further heated to become superheated steam. The above three processes are interrelated and simultaneously, to achieve the conversion and transfer energy. Along with the energy conversion and transfer of flow and also the changes of: (1) working fluid, for example water supply (or return> into the boiler, and finally reveal the form of steam (or hot water) (2) fuel, for example. combustion of coal into the furnace, which together with the combustion of the combustible portion of the original moisture content of the flue gas into which the original residual ash is ash-containing. (3) air into the furnace, wherein the combustion of oxygen to participate in the reaction, the reaction and the excess air the remaining inert gas is mixed in the flue gas is discharged. FAW water system, a coal ash smoking system is a system of wind two three main boiler system, the work of these three systems are performed simultaneously. this typically fuel and flue gas side process (involving the combustion, heat, slag, gas flow, etc.) collectively referred to as a furnace process; the process performed by water, steam which side -1 (steam and water flow, heat, vaporization, water separation, thermo-chemical processes, etc.) collectively referred to as the pot process. the main parameters of the boiler, the boiler comprising a heat generation quantity and quality indicators of both. as the main parameters of the number of steam boilers and steam production of the steam pressure, temperature, water the main parameters of the boiler Hot water flow rate and pressure of hot water temperature.
1. The pressure test the electrical components of the electrical factory directly sale vertical steam generator if the steam generator is completely assembled (i.e., as good as the boiler and the header connecting pipe, tube, heating the surface of the assembly line and the like). Header pressure test and assembly line can not, if they have been made in the component parts and hydraulic test or an ultrasound test of 100%, or other non-invasive test similar words. Upon completion of the processing of these components assembled, pressure is applied to test weld inspection no damage (radiation or ultrasound) to the full-length flaw detection. 2. All of the tubes, welded, cast, shaped parts and components, not all of the processing done in the hydrostatic test steel. Said component members of the hydrostatic test is not necessary, if they have done 100% ultrasonic testing or other similar NDT inspection. Superheater and economizer; while allowing the individual parts and components subjected to the hydraulic test in combination together with the electric boiler, not separate discrete electrical steam generator installation if reprocessing or hydrostatic test words. Included in the scope of the hydrostatic test all of the electrical steam generator, superheater, economizer, steam generation and processing power of the finished part. After working on the fixed plant boiler, is delivered to the sub-mounting parts, components, assemblies dispersion transportation, so the installation must be pressure test. Hydrostatic test purpose is to check electrical steam generator, superheater, economizer all density and strength member, all other members must also be welded hydrostatic test.
Select natural gas boiler when security issues are important natural gas heating boiler is to protect human health and indoor warm, so the choice of natural gas boiler when security issues are important, but the quality can not be ignored, and only with good quality, was more at ease when in use, some services also can do better, choice of heating is customer satisfaction. Learn natural gas boiler certainly need to know the sales of the product, and if it shows good reputation natural gas boiler in the comprehensive aspects are still very good, worthy of consumer choice, performance, and thermal energy conversion can consult, when such use was not there will be problems when installed, do not worry voltage is not enough. Gas boiler shutdown method: after stopping a powder, a duct for 5 minutes and then purged to stop the gun. Oil gun should be purged one by one, not at the same time purging multivessel oil gun. After completion of purging gun oil, natural ventilation of the boiler furnace 5 to 8 minutes, 20 ~ 30% of the air volume is not less than the rated load. To exclude combustible material remaining in the furnace. Different power ratings differ factory directly sale vertical steam generator relief valve, the rated steam pressure less than or equal to 3.82MPa steam generator valve throat diameter of not less than 25mm; the rated steam pressure is greater than 3.82MPa boiler safety valve throat diameter of not less than 20mm; pipe connecting the boiler safety valve, which cross-sectional area not less than the cross-sectional area of the valve inlet. If several valves installed together with a short tube directly connected to the drum, the cross-sectional area of the passage should not step short tube to 1.25 times the area of all the exhaust valve; valve should normally be installed exhaust pipe , exhaust pipe should be through a safe place, and there is sufficient cross-sectional area to ensure the smooth flow of exhaust. The bottom of the safety valve exhaust pipe should have received a place of safety posturing of drainage pipe, the exhaust pipe and drainage pipe not allow the installation of the valve. Steam generator safety valve should meet the following requirements: Rated evaporation is greater than 0.5t h boiler /, at least two safety valves installed; equal to or less than the rated evaporation boiler 0.5t h /, mounted on at least a safety valve. The separable at the economizer outlet, the outlet of the steam generator safety valve must be installed. Valve should be mounted vertically in a high position in the pot business, set box. Between the valve and the drum or header, not equipped with access to the steam outlet pipe and a valve; lever-type safety valve should prevent the movement of the self-weight of the lever means and the limiting guides deviant, to spring safety valve there lifting handle means and preventing movement of the adjustment screw is screwed lightly.
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