Yingkou Processing Drainage Pipe Bridge PVC Drainage Pipe Cast Iron Drainage Pipe Specification Full

Description :

　　In the past two decades, under the guidance of the Ministry of Housing and Urban Rural Development, China's plastic pipeline industry has developed rapidly in the processing of PVC drainage pipes and cast iron drainage pipes for Yingkou bridges. This has led to a rapid improvement in the synthesis production of pipeline raw materials, manufacturing technology of pipeline production equipment, production technology of pipe fittings, pipeline design theory and construction technology, and accumulated rich practical experience, laying an important position for plastic pipeline products. At present, plastic pipes are widely used in agriculture, municipal water supply and drainage, building water supply and drainage, industry and other fields in China. The annual sales revenue of industry products also increases with the expansion of downstream industry product markets. In 2017, the annual sales revenue of plastic pipes in China was 296.07 billion yuan. With the continuous promotion of urbanization in China, the demand for plastic pipes in related industries in the domestic market will continue to increase. Therefore, by the end of 2018, the annual sales revenue of plastic pipes in China is expected to reach 323.13 billion yuan.

　　How to improve the service life of cast iron drain pipes

　　1. Please pay special attention to the selection of accessories. The maintenance of cast iron drain pipes should start with their selection, such as pipe fittings, aprons, elbows, etc., and be visually inspected with the naked eye to avoid the use of diseased parts.

　　2. The key to maintaining cast iron drainage pipes is to inspect and accept working hours. Attention should be paid to sockets/rubber drain pipes that affect long-term stable operation, and efforts should be made to improve these aspects. There are no debris in the socket. The rubber ring has been struck by a rubber hammer without warping or twisting, and is evenly stuck in the groove. During the maintenance process of cast iron drainage pipes, please pay attention to the inclination angle as the axis of the movable pipe is deeply buried underground. If the resistance is too high, do not forcefully excavate to prevent the rubber ring from twisting.

　　3. If the cast iron drain pipe used meets national standards in terms of quality, we should pay attention to the AC and DC components of the apron and welding. Using cast iron drain pipes as a new type of pipeline to improve the construction environment. Only with correct application and excellent product quality can unnecessary troubles in installation projects be reduced, and maintenance work in the future is relatively easy. Since July, although it is not the heating and production restriction season, environmental protection and production restriction policies in various regions have still become stricter. From July 18th to 21st, all sintering machines and vertical furnaces in Tangshan area were shut down; From July 20th to August 31st, steel mills in various regions of Tangshan will limit the production of sintering machines and blast furnaces by 30% -50%. Tangshan is a major steel city in China, and the policy restrictions on production will directly and seriously affect the supply of molten iron; From 6:00 on August 1st to 24:00 on August 5th, steel enterprises will implement a 50% production limit for sintering machines, vertical furnaces, and lime kilns. From the current proportion of crude steel production, the calculated production capacity of four cities in the "2+26 cities" is 319.11 million tons, accounting for 36.6% of the national crude steel production; The crude steel production capacity of the "2+26 cities" is 339.21 million tons, accounting for 38.97% of the national crude steel production. (1) Calculated based on the ready to use ratio of "2+26" cities, with a 50% reduction in production in key 4 cities and a 15% -35% reduction in production in other regions. Calculated based on the non heating season of April and May, the theoretical supply gap is 3545. (2) Based on the 2018 key regional inspection plan, a total of about 10 months, the theoretical supply gap is 16.96 million tons. Excluding the overlapping areas of "2+26 cities", the supply gap is about 13.52 million tons.

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