use of travelling grate in steam boiler Agents

3, boiler maintenance shutdown

In general the boiler shutdown, the time interval is relatively long. After the boiler shutdown, system or soda with moisture, and there will be a portion of the water, a long time, so that the metal will react chemically. Thus, to stop using the boiler, the boiler must be maintained, so that the boiler safer operation, it is possible to increase the life of the boiler.

After opening the boiler winter operation, we can see a lot of red fluffy black slag deposited on the bottom of the drum and the collection box, also seen in the sheet-like water residue adhered drum, water wall tubes and smoke collector the inner wall of the box.

What is worth the boiler us to focus and specifically discussed? Boiler RB, which refers to what? Boiler insulation, materials What? How to determine its thickness? As well as, the requirements for the construction of the boiler room, what? In addition, what the problem is related to the boiler? These, for us, is very important and basic, so the following answer one by one, to let everyone have a thorough understanding and correct understanding. 1. boiler RB, which refers to what? Boiler room in the RB, which then specifically, it refers to the rapid reduction of the boiler load. And, it means that when the auxiliary boiler trip due to a failure, it will automatically be reduced to 50% of the rated load matching, that is, half of the rated load, in order to ensure the safety of the boiler. At the same time, control of the boiler, change will occur. How the material and thickness of the insulation layer 2. The boiler is determined? In the boiler, the insulation layer is a very important part, in which the material selection, there are mainly rock wool, ceramic fiber cotton and cotton fibers such as aluminum perchlorate. Wherein, aluminum chlorate is used mostly cotton fibers. As for the thickness of which is determined on, it is determined according to the temperature requirements, and also taking into account the heat losses. For the boiler and pipes, in general, a thickness in the range of 100-200mm.

According to instructions, "Neijiang City in 2017 and phase out coal-fired boiler desulphurization facilities construction program of work", before the end of this year, the city built-up area will be fully phased out in Neijiang City, 10 steam tons / hour of coal-fired boilers and a total of 46 units. Among them, a small city in district out of coal-fired boilers 26, and phase out coal-fired small boilers Dongxing District 15, Neijiang Economic Development Zone small coal-fired boilers out of five. At the same time, accomplish four Chuansha Qi Industrial Co., Ltd. Two 20 tons of steam / hour or more coal-fired boiler desulphurization facilities. A ban on new urban area 20 steam tons / hour of coal-fired boilers, other counties (cities, districts) in principle, the new 10 steam tons / hour of coal-fired boilers. Out of the way including demolition scrap, coal to gas, coal and electricity upgrade boiler swap with large capacity.

We understand that the new Neijiang 20 tons of steam / hour for coal-fired boilers built-up areas, the new 10 steam tons / hour or less fixed asset investment projects in other areas of development and reform, economic and information technology departments will not be approved, approval and filing, environmental protection departments at all levels shall not pass environmental impact assessment, quality supervision departments at all levels do not accept the installation told not arrange supervision and inspection, no special equipment issued registration certificate. Quality supervision departments at all levels cancellation of special equipment for the boiler has been out of use registration certificate to prohibit the production of boiler manufacturers boiler does not meet industrial policy.

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