Boiler is an important equipment used in thermal power plant, and its installation process is complicated and its installation technology is exquisite. Boiler is a high-risk pressure vessel and belongs to special equipment. No matter its production, manufacture, installation and use, there are norms for wood.
The main auxiliary equipments are: water supply system: tap water supply-filter-soft water treatment device-soft water storage tank-deaerator-soft water supply device.
The boiler steel structure adopts an independent island layout separated from the factory building, and the frame is an all-steel truss system, which consists of columns, beams, vertical supports, horizontal supports, suspended ceiling support planes, platform stairs at each floor and required support components. The components are mainly hinged by high-strength bolts, and some are welded.
The heating surface of the boiler consists of five systems: water wall system, sedimentation system, superheater system, reheater system and economizer system, which are connected by large and medium diameter connecting pipes. Front, rear, left and right water wall tubes are arranged around the furnace, and screen superheater and front screen high temperature superheater are arranged on the upper part of the furnace.
There are still many irregularities in the installation process of boilers in large thermal power plants, which cause some uncertain factors for the installation quality of boilers. It is suggested that relevant departments and scientific research institutions study, summarize and popularize the successful experience of quantitative adjustment of boiler suspenders, standardize the detection methods of unified installation and inspection, completely change the backward practice of adjusting by experience and feeling in the past, and ensure the uniform stress of suspenders. The load distribution is reasonable, which completely meets the design requirements and meets the needs of safe operation of the boiler.
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