No new process mounting pad of large continuous annealing furnace roller hearth roll
The production line of 1 general situation of large vertical continuous annealing furnace is the core of production process of annealing furnace, length 176m, width 9.2m, height 27.4m. The furnace body various furnace roller mounting up to 273 the number of root, distribution in the furnace body, upper and lower position, position arrangement with a diameter of 1300 mm and 1200 mm -, - and - 800 mm high roller. In large scale continuousannealing furnace roller installation alignment project, has the many kinds of furnace roller, roller hearth rollassembly, installation work high above the ground, structure, process complex pipeline disturbance levels, repeat the process characteristics, structure under high fibrillation environmental impact, wide operation range anddispersion and so on, is serious control project quality and schedule to improve. The furnace roller hearth rollinstallation is taking the cylindrical pin roller seat positioning method, realize the roller seat gasket free fast installation alignment, can maximize the quality adjusted furnace roller hearth roll, accelerate the project progress,shorten the construction period, improve labor productivity. Production line annealing furnace in the production process can be divided into: preheating, heating, heat balance, slow cooling, fast cooling section, the agingperiod, final cooling section, quenching tank, dryer section, in each segment, mechanical equipment and process piping installation of various to, see 1450. Annealing furnace layout shown in Figure 1. Furnace roll up to 280 the number of roots, all parts and components, each roller bearing, the bearing box, expansion joints, roll seal box,furnace roll cover and the furnace roller and the like, see the furnace roller hearth roll pin connected back support graph
2, the furnace roller is arranged as shown in Fig. 3, all parts are in the construction site for assembly, installation.
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