industrial 0 5 Ton Horizontal boiler
What are the matters needing attention in the operation of condensing industrial 0 5 ton horizontal boiler
It is well known that the specialized condensing boilers on the market in China today can effectively recover the heat emitted from the exhaust gas of the boiler, and further promote the operational efficiency of the condensing boiler with the potential heat of the steam cycle in the flue gas. In the application of this condensing boiler, the content of harmful gas can also be reduced effectively. In order to make this kind of condensing boiler with reliable quality play its corresponding work and value, it is more necessary to realize effective monitoring in the course of operation, and the following article gives a brief introduction to the matters needing attention in the operation of condensing boiler.
1. Pay attention to correct cleaning and handling; It is well known that in the course of boiler operation, the cleaning and disposal must be realized, so it is necessary to ensure that the efficacy and composition of the acid washing slow-release agent can accord with the corresponding application effect, but in the products designed by the full premixed condensing boiler manufacturers in our country, There is a greater need to ensure stable cleanliness and a better level of cleaning. Therefore, in the stable operation of professional condensing boilers in China today, we must pay attention to its corrosion rate and corrosion materials and master reasonable testing methods. To ensure a smoother cleaning of its circulating pipeline, the stable use and quality of the condensing boiler can be ensured with a more stable cleaning quality. Dirt removal effect.
2. Pay attention to emergency early warning and timely shutdown disposal; It is self-evident that in daily use, only by ensuring that the corresponding dangerous failure factors are understood and that the basic system is carried out in a timely manner can this kind of condensing boiler be able to produce better results. Moreover, it is necessary to pay more attention to the dangerous problems existing in the operation of condensing boiler to ensure that its own disposal is more efficient to meet the demands of daily application for safe operation.
Before the hot water industrial 0 5 ton horizontal boiler operation to check whether important and what content? Hot water boiler in the boiler, it can be said that common and commonly used. However, in its specific knowledge of learning and understanding, the extent is not comprehensive enough and sufficient, there are many deficiencies and gaps in. That being the case, other important products, that the following will continue to carry out this work, so that we achieve the learning objectives and requirements as soon as possible, not regret. Hot water boiler, which is in check before running, can be said to be very important and critical, as it will affect the boiler can safely use, as well as to avoid danger or accident. So, it is not carried out sloppy in the details, there is: (1) internal inspection of hot water boilers, as well as its work on the preparation of the examination, if well prepared and full of. (2) Check the inside of the boiler furnace and flue, whether there is fouling or debris, if any, should be promptly removed. To adjust the door and the flue duct, it is mainly to see if complete and close the shutter, and the switch is flexible. (3) For boiler accessories, but also to be checked, which is in good condition, it can be used normally. In addition, in the instrumentation and control devices, will depend on whether a complete and clean. (4) for the hot water boiler automatic control system, as well as ancillary equipment and combustion equipment, it is to conduct a comprehensive inspection, if there are problems. And its mechanical drive system, is normal. (5) of the boiler heating surface, should be carefully examined, because it is important, related to the heat transfer efficiency of the boiler. Further, it is noted that, in the low temperature hot water boiler, which is achieved by the system pressure constant expansion tank, and the tank is typically mounted on the circulating system. In the high temperature hot water heating system, typically using nitrogen pressure tank, and to achieve a constant pressure. After checking all the hot water boiler qualified, you can shield installation, commissioning further work. At the same time, pay attention to the current no abnormality or problem.
Recently, the National Energy Board, the Department of Ecology Environment issued "on the issuance of 2018, the provinces (autonomous regions and municipalities) of coal ultra-low emissions and energy-saving targets and tasks" (the "Notice"), called on all localities continued to do over coal low-emission and energy-saving, and promote the development of clean and efficient coal. Ultra-low emissions and to promote energy-saving work in the country has been more than two years, has been established to complete the task of transformation in the eastern provinces, the transformation of the focus shifted to the central and western regions, while the transformation of scope as technology advances and the increasing demand for policy gradually extended.
Under the "notice" requirement, this year nationwide, ultra-low emissions coal power reform objectives and tasks a total of 48.68 million kilowatts, energy-saving goal is to reach 53.905 million kilowatts. In 2016, the capacity of the units involved in the transformation of two to 254.36 million kilowatts, respectively, and 189.4 million kilowatts, good reform bear fruit.
President of the State Power Environmental Protection Research Institute Zhu France and China, said: "By the end of last year, a nationwide ultra-low emissions transformation target task completion rate has reached 71%," ultra-low emissions coal and transformation better, the eastern region has been basically completed, part central provinces ahead of the completion of the task of transformation.
In 2015, the former Ministry of Environmental Protection, the National Development and Reform Commission, the National Energy Board issued "the full implementation of ultra-low emissions and energy-saving programs of work-fired power plant", requires the completion of the eastern part of the overall transformation of ultra-low emissions before the end of 2017, the central region and strive in 2018 years basically completed, the completion of the western region in 2020. "2018 provinces (autonomous regions and municipalities) of coal ultra-low emissions and energy-saving task summary table" (hereinafter referred to as "transformation task list") shows that the eastern provinces have been basically completed the transformation of ultra-low emissions, not published this year transformation capacity unit task. But it is located in the Yangtze River Delta, Jiangsu Province, still issued 1.4 million kilowatts ultra-low emissions and energy-saving renovation target of 900,000 kilowatts.
Zhu France and China, said, "in accordance with the requirements of 2015, Jiangsu has completed the ultra-low emissions and energy-saving target in 2017. However, the new policy will be more units into the transformation range, Jiangsu this year, there is still the task of transformation. In June, the State Council issued a "winning blue sky battle three-year action plan" (hereinafter referred to as "three-year action plan"), required by the end of 2020, more than 65 tons of steam key areas of coal-fired boilers have completed ultra-low emissions and energy-saving. "
It is understood that "three-year action plan" prior to the implementation of energy-saving and environmental protection requirements only for the reconstruction of more than 300,000 kilowatts of conventional units, more than 100,000 kilowatts of power plant owned units. "According to the existing requirements, including Beijing and Tianjin and the surrounding areas, the Yangtze River Delta region and Fenwei plains, including the key areas, more than 65 tons of steam boilers are also included in the scope of the transformation will involve part of 100,000 kilowatts or less captive power plant units and industrial boilers. "Zhu France and China, said," "three-year action plan" in addition to the deadline of 2020, does not provide a specific timetable for the task. Next, the key areas are the provinces in accordance with the requirements of more units, boiler transformation. "
"Task of transformation" table displays, ultra-low emissions transformation capacity this year, mainly in the western region of Inner Mongolia, Shaanxi, Gansu, Xinjiang and so on. In the trend of ultra-low emissions overall speed of the transformation, central Shanxi, Anhui, Henan and other provinces in the region have been completed ahead of the transformation target ultra-low emissions, but energy-saving task still more arduous. Among them, Henan Province this year, energy-saving target capacity of 10.8 million kilowatts, Hunan has reached 9.995 million kilowatts.
Since the ultra-low emission transformation involves the emission of pollutants and other environmental problems, caused by the high social concern. In contrast, concern about energy-saving electric power mainly from the enterprises themselves. Zhu France and China, told reporters, on the one hand is the national energy saving policy requirements, on the other hand also in line with the needs of enterprises to reduce their own costs. At present coal prices continued to run high, coal companies operating pressure, reduce production costs even more urgent demand.
In 2014, the National Development and Reform Commission, the former Ministry of Environmental Protection, the National Energy Board issued "coal upgrading and transformation of energy saving action plan (2014-2020 years)", for energy-saving technology roadmap active coal-fired power units were enumerated, involving the master each link auxiliary equipment, environmental protection equipment and a total of 20 reform measures, in addition to "subcritical unit transformed into ultra (ultra) supercritical units", the rest of the technology have already matured.
In recent years, along with tighter environmental requirements, provide renovation and operation and maintenance services to the rapid development of environmental protection industry. In particular third-party environmental companies, with technical, cost and other advantages, occupy a certain share of power generation enterprise environmental transformation market. But a power industry experts said, is very difficult third-party independent companies to enter the field of environmental protection energy-saving power plant.
"Ultra-low emission increase in the transformation of the original system is new equipment, energy-saving and optimized for major transformation of existing equipment, and boiler plant, steam turbine plant than environmental protection enterprises to understand their own devices." The expert said, "Not only that as systems engineering, energy-efficient coal-fired units involved in the whole process of production, and plant operation economy, is closely related to security, not easily open to third-party companies. third-party companies to enter the energy-saving environmental protection than to enter the market face greater pressure."
When the industrial 0 5 ton horizontal boiler blowdown work to strengthen and overhaul the content whether fixed: Under what circumstances, boiler blowdown should be strengthened? Boiler overhaul, it has what? In addition, circulating pump, which is on a different boiler, if there are different installation location? Ask these questions, its main purpose is to be completely resolved, so that we can learn to understand clearly, in turn, can enhance the degree of familiarity and understanding of their boiler of this important product. 1. Under what circumstances should strengthen the work of boiler blowdown? The problem, it seems boiler in the box, it is not difficult to answer, so they give a specific answer, is: When the boiler water testing, SiO2 content is too high, or too high alkalinity found to strengthen its sewage works, and that measures must be taken, it can not be taken lightly. 2. boiler overhaul, what it has? Overhaul of the boiler, which in terms of content, there is a major overhaul of the heating surface, the furnace wall repair, and overhaul of auxiliary these three, however, not every overhaul, these three should be carried out. So, boiler overhaul, it is not a fixed item. In accordance with the requirements, when half of the heating surface is thinned, to overhaul the furnace wall is once every six overhaul. And auxiliary equipment, is to see the actual situation, to determine the need for overhaul work.