On June 18th, the most important civil engineering project of Jiujiang Petrochemical I project was the successful completion of the 47.5-m-thick settlement concrete four-story concrete frame. At this point, the construction of the two-frame concrete has been completed. Since May 16, we have received the construction drawings of the superstructure of the two devices. The Jiujiang Petrochemical Engineering Construction Department and the supervision company and the construction unit fully discussed the construction plan, optimized the construction procedures, increased human and material resources, and erected and reinforced the scaffolding. The construction of embedded parts, mold making, boring and scaffolding, steelworkers, carpenters, mason and other work processes, and various types of work are seamlessly integrated to fully promote "white + black", "5 + 2", and "clear + rain". Spirit, full mobilization, concerted effort and dedication, only 32 days, a total of 348 cubic meters of concrete poured, 7 meters high, 4 columns 1.4 meters square regenerator frame, height 37.5 meters, 4 columns 1.2 meters square The four-layer settler frame stood ahead of schedule seven days ahead of schedule and there was no incident of safety. The renovation project is a crucial project of Jiujiang Petrochemical's "three-step roadmap" strategy, and is also the top priority of this year's "3+1" key project. Its pre-construction progress is the 25-unit plant downtime overhaul of the entire plant. The key factors for determining the date of shutdown are that the project is tight in time, difficult, heavy duty, and high in demand. There is a status quo of cross production at the time of production and construction. The Ministry of Construction actively coordinates the supervision and construction units, through the construction of the anti-site construction "Strengthen management, pay attention to coordinating the relationship between design, procurement, construction, and production, give full play to their own strengths, work out achievements, establish an image, promote the spirit of doing practical work and fulfilling duties, eliminate all difficulties, and create a first-class, comprehensive Project construction services. The erection of the scaffolding for the construction of the catalytic reform project, the placement of the construction machinery, the safety measures for the construction personnel, and the safety measures for the construction of the production side have become the model for on-site construction management of the Jiujiang Petrochemical Engineering Construction Project, attracting many construction companies, Workshop visits and learning.
Sedimentation Tank
Inclined plate sediment tank is kind of high efficient combined type settling tank; set many dense inclined tube packing in sediment area, to make the suspended impurity in water sediment, water rise flow along inclined tube, the separated sludge down to the tank bottom along the inclined tube by gravity, then discharge it in concentration. Such tank can improve sediment efficiency 50~60%, it can improve treatment capacity 3~5 times in the same area. It can design different flow rate inclined plate sediment device according to raw waste water test report, it need dose flocculant usually.
Inclined plate sediment water purifier is format by install 60° dip angle inclined tube above the sludge suspended layer, to make the suspended solids or floc alum flower by dosing flocculant accumulate into thin sludge later in inclined tube downside superficial area, slide back to sludge suspended layer rely on gravity, then settling in sludge collecting hopper, discharge into sludge tank by sludge pipe for separate treatment or comprehensive utilization. The supernatant fluid gradually rise to water collecting pipe discharge or reuse.
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