Two main cause corrosion of fuel gas-fired boiler corrosion occurred after, not only the effective thickness of thin metal, and make the interior of the metal microstructure destruction, poor mechanical properties, resulting in pressure capacity of the fuel gas-fired boiler to reduce, shorten the service life, as well as early retirement. Some corrosion can cause damage to the equipment in the case of people unaware of serious accidents will happen when bad. Therefore, to find the cause of corrosion and thus effectively prevent the occurrence of corrosion is very important. 1. Flue gas fuel boiler fuel combustion corrosion, high temperature flue gas generated passes through condensing means, the flue gas water vapor dew encountered low temperature wall surface, the condensed water formed can severely erode the metal surface. 2. Lime scale can lead to corrosion of metal corrosion under the scale, the scale is deposited there under the conditions of scale from the hole, a slit pot water infiltration, rapid evaporation of the scale between the deposition layer and the inner heating surface of boiler boiler heating surface. In the scale layer, boiler water can be concentrated to a high concentration. Some of the material under conditions of high temperature and high concentrations of boiler heating surface will produce severe corrosion, such as NaOH and the like. Scaling, corrosion process mutual promotion, will soon result in damage to the metal heating surface, to cause the boiler tube rupture occurred.
According to Anhui Province to work in the 2018 year-end summary of the province, in 2018, Anhui Province, built-up area exceeding 35 cities steam tons / hour or less industrial coal-fired boilers as well as glass, ceramic industry, industrial kilns clean energy alternative to work. Complete 97 sets of clean energy alternatives, completion rate of 76.4%, exceeding the annual target of 50% substitution tasks.
It is reported that Anhui start from the following aspects to strengthen the control and management of coal-fired boilers, is over-done.
First, strengthen research, Mozhun the truth.
1, carry out key research, went to Hefei, Bengbu, Chuzhou development of industrial coal-fired boilers, kilns clean energy alternative research work, the front line, replace understand the business progress, issues and rationalization proposals exist.
2, a diagnostic investigation, issued "regarding the development of cities and built-up areas 35 steam tons / hour boiler and industrial enterprises and the glass and ceramics industry, industrial kilns investigation work" and collect aggregate and cross-checking data to improve municipalities investigation; Third, learn practice field, go to Tianjin, Hebei research study "coal clear" action and glass industry furnace clean energy alternative to work, learn from the successful experience of leading regions. Grasp the province's boiler, furnace conditions first-hand data, be aware of the difficulties of enterprises, clear focus and difficult work.
Second, a clear mandate to strengthen the scheduling.
Issued a "built-up area of Anhui Province cities 35 tons of steam per hour of coal-fired industrial boilers as well as glass, ceramics industry, clean energy alternative to coal-fired furnaces work plan", based on clear objectives, tasks, scope and duration of the transformation node, proposed work requirements. And issued a "35 tons of steam and industrial coal-fired boilers and the notification submitted on a regular basis municipalities built-up area per hour, glass, ceramics industry, coal-fired kilns clean energy alternative to progress information", and held a forum, a monthly tracking scheduling progress, and urge municipalities in accordance with the program of work, and steadily promote the implementation of alternative work schedule.
Third, innovative initiatives to promote accurate.
For enterprises in the implementation of coal-fired boilers, furnaces clean energy alternative technology transformation encountered financial problems, the implementation of precise advance.
1, the organization held a provincial industrial boilers clean energy alternative technical equipment special promotion, targeted Recommend energy-efficient air units, heat pumps integrated device source, environmentally friendly low-emission of nitrogen gas boiler and a number of boiler clean energy alternative to new technology and equipment, docking platform to build both supply and demand.
2, a clean energy alternative to key projects in 2019 included green manufacturing project-oriented investment program to enhance the enthusiasm of enterprise transformation.
Fang fast production of gas hot water boiler, in order to highlight the efficient, durable, safe and reliable, simple operation and other advantages, achieved excellent results in the field cleaning boilers, harvest a large number of customers and recognition.
A low nitrogen gas condensing boiler, central heating stations as an independent source, is your best solution type hot region. More details of the consultation can call the toll-free hotline: 0371-55629010, we will be happy to serve you!
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