Qinhuangdao City Funing District Branch of Ecological Environment Agency organized the key enterprises responsible person within the jurisdiction of the boiler demolition, renovation work will hold a special schedule. The meeting stressed the need to vigorously promote coal-fired, gas-fired boiler demolition, renovation work progress, continued to improve ambient air quality.

At the meeting, staff of the Office of atmospheric area of ​​the current coal-fired, gas-fired boiler demolition, renovation progress has been informed. Up to now, boiler demolition and reconstruction of the region involved all disabled.

First, Funing District compressed air quality improvement increasingly smaller space, air pollution prevention and control situation is very serious, involving various enterprises must attach great importance to effectively assume responsibility for environmental protection.

Second, the coal-fired boiler in accordance with the "water power, chimney down, shifting the body" standard transformation and low nitrogen oxides emissions analyzer mounted nitrogen gas boiler work requirements, make sure the end of this completed, the embodiment late cut-off regulation.

Third, the Bureau of atmospheric sciences, environmental law enforcement unit to further strengthen law enforcement and inspection and supervision, the monitoring center to provide scientific data monitoring, to crack down on environmental violations, it is important to ensure that coal-fired, gas-fired boiler demolition, renovation work is completed on time.

Harm of oxygen corrosion in Steam Boiler

Nowadays, steam boilers are widely used in various fields. However, the use of steam boilers for a long time will cause oxygen corrosion. Although the current anti-corrosion technology and control of boiler pollution have improved, the oxygen corrosion problem of steam boilers has been improved to some extent. However, oxygen corrosion has not been fundamentally solved.

Before the hot water 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.

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