Since March this year, Haidong Qinghai province to implement the central issue environmental supervision feedback coal-fired boiler rectification work, speed up the production of green, zero emissions work processes, and improve air quality, to develop a series of coal-fired boilers on the rectification requirements of the program, as the initiative, strike out, to carry out rectification work in coal-fired boilers within the city, complete elimination of high energy consumption and serious environmental pollution of coal-fired boilers. Planned before the end of 2020, out of the new regulation since 2013 registered 10 tons of steam per hour and a total of 35 sets of coal-fired boilers. To date, 24 have been dismantled coal-fired boilers, the completion of 69% of the total demolition tasks.
In campaigns, the Haidong Market Authority established the Secretary for the head of the leading group, and achieve the "four guarantees" work. First, strengthen organizational leadership, promptly convene a special meeting arrangements, set up to director, head of the leading group, strict rectification requirements, compaction responsibility, division of labor, supervision and implementation, to ensure that the tasks, responsibilities, personnel, time to implement place; second is to strengthen the publicity and guidance, held a coordination will promote, publicize national environmental policy so that the people in charge to enhance environmental awareness, consciousness of serving the overall situation, to ensure that the main responsibility to put in place; the third is Duocuobingju full supervision of the remediation coal-fired boilers demolition work to ensure full demolition tasks to complete the rectification of high-quality, on-site in time for the use of special equipment write-off procedures to monitor and update the information platform, the rectification work will not stay dead; fourth is to strengthen the rectification pin number system and standardize accounting, according to " Qinghai province to implement the central requirements of environmental protection inspectors feedback pin number rectification work approach ", the timely development of ledger collect relevant information, to ensure that the sales numbers for the record rectification work tasks.
Up to now, the central feedback requirements Haidong included the removal of 35 planned coal-fired boilers have been demolished 24 units, of which the county mutual aid, Ledu District, safe area, Minhe County, Hualong County coal-fired boiler demolition has been completed work to complete the renovation work ahead of coal-fired boilers. Next, Haidong will continue to increase coal-fired boilers eliminated, remediation publicity work to do mass persuasion to explain, guide active community participation, active support and cooperation to carry out "ban on burning 'governance activities. Actively persuade pressure coal-fired boiler units to implement the "coal to oil", "coal to gas", phasing out coal-fired boilers high pollution, high energy consumption, encourage economic boiler unit to switch to environmentally friendly, safe and efficient biomass, natural gas, etc. clean energy.
To get gas boiler energy-saving operation, the measures to be taken in recent years, the national ambient air quality for more stringent supervision, the country more regions have entered an important period of development of environmental governance. Boiler to provide energy as the main force, the regulatory environment is the main object of regulation. With clean gas boiler, environmental performance advantages, widely used in all walks of life. This paper made a brief discussion on the gas boiler in the operation of existing problems, as well as the experience of the energy-saving operation. A gas present in the energy-saving operation of the boiler main contradiction required for combustion, in addition to combustible material gas, together with sufficient oxygen, oxygen is mainly from the air. In addition, a sufficiently high temperature is essential. In general, the combustion conditions comprises: a proportion of combustible material, oxygen molecules and a certain temperature. The energy conservation law, the release of gas entering the boiler system total energy q, should be equal to the total energy flowing from the boiler system comprising a furnace heat absorption water q1, bad water absorption cycle heat q2, loss of incomplete combustion Q3, Q4 heat, smoke q5. That is: q = q1 + q2 + q3 + q4 + q5. We can see from the above equation, it must be reduced in order to achieve fuel savings Q3 loss of incomplete combustion, and heat loss due to heat q4 q5. Among them, heat losses q5 that is where the greatest energy loss, and most have a recycling value. To make full use of the energy produced by combustion of the fuel, it is necessary to minimize the exhaust gas temperature. However, reducing the exhaust gas temperature in the actual operation of the boiler will produce such a large amount of condensed water, causing corrosion to the boiler thereby shortening the life of the boiler. Boiler flue gas temperature is lower condensed water is greater, the greater the harm caused by the boiler. That is the lower the boiler flue gas temperature, lower operating costs, greater harm to the boiler, the higher the cost; the higher the boiler flue gas temperature, higher operating costs, but less harmful to the boiler, using the lower the cost. This contradiction is the main problem, GAS boiler operation impact. Second, the method of reducing the exhaust gas temperature of the boiler route 1 increased tail heating surface, i.e. the installation of the boiler economizer (or condenser) to reduce exhaust gas temperature. After entering the boiler economizer outlet flue gas from the rear of the boiler, the flue gas absorption part of the heat, out of the low-temperature economizer flue stack emissions reentry heat boiler economizer heating boiler return absorbed, thereby improving the return water temperature, while reducing the exhaust gas temperature and improve the thermal efficiency of the boiler. Boiler economizer arrangement there is a significant advantage to improve the economizer return temperature of the boiler, can significantly reduce the generation of condensed water boiler, a boiler body for protection, but the condensed water economizer itself is very large , so the corrosion generated is very large, but with the energy-saving boiler is arranged separately, leakage and other conditions of corrosion maintenance costs to replace the energy-saving device is far below the cost of running the boiler. 2, the exhaust arrangement (flue gas) heat recovery. Exhaust heat recovery from the flue gas passage to increase spray tower, heat exchange by spraying water mixed with the flue gas, a large amount of heat carried away by the fumes spray water, reduced exhaust gas temperature, high temperature spray water is pressurized by the circulating pump through a heat exchanger or other heating boiler return mechanisms, in order to achieve recycling of flue gas waste heat of exhaust gas temperature is reduced, saving energy and reducing the running cost and the fuel. Than the exhaust heat recovery economizer much better energy-saving effect, even some devices may be the flue gas water vapor latent heat recovery. But the exhaust heat recovery unit investment, more equipment, additional operating costs also, the failure rate is high. The economizer is simple and reliable, no mechanical component failure rate, operating costs are zero. Which method is more suitable for specific use, but also to all of you to choose according to their own characteristics situation. Third, reduce condensation water boiler operation measures by increasing heating surface or rear of the boiler flue gas heat recovery unit, may be fully recovered heat loss boiler. Improve when the boiler boiler load, reducing the number of operating units to minimize the situation of low load boiler running multiple online. Boiler flue gas temperature as high as possible, as much as possible to avoid the situation boiler produces condensation water appears to reduce the corrosion of boiler condensate, to extend the life of the boiler. Carried in the flue gas, the unused energy to the heating surface of the tail to be recycled, which saves the cost of using the boiler, but also save operating costs of gas consumption, thereby achieving energy saving purposes, increasing the economic efficiency of enterprises . With the continuous improvement and the rapid development of industrial level of our national economy, gas boiler applications more widely. Especially in recent years, air quality has become a major environmental problem the government is particularly concerned, in the promotion, use and development of a gas boiler future period will enter a new phase. Study and solve the issues affecting energy-saving operation of a gas boiler, and constantly improve the operating efficiency of the gas boiler, saving energy, reducing emissions, businesses and society as a whole will bring enormous economic and social benefits.
The use of low nitrogen steam boiler so many benefits it can bring, many users do not know the low nitrogen steam boiler is now the first choice of many users, both in line with our environmental policy, energy savings performance is also high. Today, we focus on fast boiler for everyone to look at science, the use of low nitrogen boiler users, can reap the benefits. First, the technical performance low nitrogen steam boiler using advanced concepts and technologies for energy efficiency and low nitrogen are treated very well, not only to meet the needs of a variety of environments, a considerable investment costs can also be saved for use with the unit. Second, the quality of clearance is guaranteed whether in the early or late in the manufacturing process use, low nitrogen steam boiler manufacturers can boldly to ensure the quality of their products is absolutely clearance, can accept from many of verification and inspection, because they are in the manufacturing process very carefully to be able to do our best to ensure every aspect of product quality; in the latter part of the course, if there are problems, manufacturers will immediately send personnel to the scene to solve operation. Third, the high cost due to the advanced technology, the price of ordinary steam boiler steam boiler low-nitrogen ratio of slightly more expensive, but if everyone in the long run, then it's better fuel energy-saving effect, long-term operation down, save funds to buy more than the original price difference, can be described as highly cost-effective products. These are the three major advantages of fast boiler for your summary of low nitrogen steam boilers, steam boilers for low nitrogen spotted in addition to its brand outside but also understand its post-service security system, high-performance low-nitrogen steam boilers acting on a variety of environment, play a role more.
Condensing boiler, as a kind of necessary equipment used by many enterprises, has been favored and respected by users because of its outstanding advantages such as advanced condensation replacement technology, intelligent control mode and high energy efficiency in the production process. Equipment supplied by condensing boiler manufacturers in stock has become increasingly popular in recent years, because users not only see the advantages of their equipment, but also become more aware of the significance of using condensing boilers. In particular, they are reflected in the following three levels:
1. For enterprises to improve energy efficiency condensing boilers because of the use of domestic leading all-condensing heat transfer technology, the use of all-imported accessories in the equipment, while maximizing the benefits for enterprises, but also improve energy efficiency, using pure imported parts and components. Its quality is more guaranteed, and the rate of return repair is lower, so it saves a lot of maintenance cost and reduces the failure rate of equipment.
2. Energy-saving and emission reduction, and for the benefit of the society, condensing boiler equipment is increasingly recognized by enterprises and government departments because of its good energy-saving and emission-reducing effects. With the increasingly serious global air pollution, the country pays more attention to environmental protection indicators. The emergence of condensing boilers has solved this problem for the society for enterprises. With its continuous application and popularization, air pollution can be effectively alleviated, and it is also of great positive significance to human beings.
3, conducive to the continuous innovation of boiler industry condensing boiler use scope gradually expanded, in order to meet the different individual needs of more users, condensing equipment manufacturers must increase research and development efforts, Continuous reform and innovation to introduce more competitive advantage of new products to meet the rigid needs of the market.
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