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First, strengthen the construction and reconstruction of various types of underground pipe networks for urban water supply, sewage, rainwater, gas, heat supply, communication, etc., and carry out the pilot project of urban underground pipe gallery. Second, strengthen the construction of urban drainage, waterlogging prevention and flood control facilities to solve the problem of urban waterlogging. Third, strengthen the construction of urban sewage and domestic waste treatment facilities. Fourth, strengthen the construction of urban road traffic infrastructure. Fifth, strengthen the city
Published on: February 1, 2024 Number of hits: 2
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Scope of application Ductile iron pipe is a kind of cast iron pipe, which is used as buried water supply pipe. 2 Advantages Compared with steel pipe, it is cheaper, easy to manufacture, and has strong corrosion resistance; The disadvantages are brittle and heavy. There are data showing that there are pipes between DN40 and DN80, but only specifications above DN80 are listed in the design manual. No pipe wall due to nominal pressure
Published on: February 1, 2024 Number of hits: 2
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Scope of application PVC-U pipe is rigid PVC pipe, and the pipe wall structure includes double wall corrugated pipe, reinforced pipe, flat wall pipe and steel plastic composite winding pipe. Steel plastic composite winding pipe is usually connected by inner sleeve bonding. Double wall corrugated pipe, reinforced pipe and flat wall pipe are usually connected by socket and sealed by rubber ring. For flat wall pipe, when the pipe diameter is less than 200mm
Published on: February 1, 2024 Number of hits: 2
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The scope of application has broad prospects when it is used as large and medium diameter water supply and drainage pipes and as water supply and drainage pipes in corrosive soil. Advantages As a new type of composite pipe, GRP sand pipe, compared with other pipes, has the characteristics of safety, durability, economy and good comprehensive benefits, and has won people's attention. Hainan plastic inspection well
Published on: February 1, 2024 Number of hits: 3
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Scope of application PCCP pipes are most suitable for making large diameter pressure pipes, which can meet the requirements of urban water diversion projects, water supply systems, large sewage pipeline projects, as well as the circulating water pipelines of large thermal power plants and nuclear power plants. There is a national standard for prestressed concrete cylinder pipes (GB/T19685-2005). Advantages ① Both steel pipe (SP) and concrete pipe
Published on: February 1, 2024 Clicks: 1
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The steel mesh skeleton plastic composite pipeline is a new type of pipeline with excellent performance, which is widely used in oil fields, power plants, chemical and petrochemical enterprises, water companies, municipal gas, seawater utilization pipelines and other fields. Standard for steel mesh skeleton plastic (polyethylene) composite pipes and fittings: Industrial Standard for Urban Construction of the People's Republic of China CJ/T189 -- 2007
Published on: January 24, 2024 Number of hits: 3
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1. The phenomenon of rapid stress cracking of plastic pipes is overcome. Since the structure of steel and plastic materials is composite, the rapid stress that plastic pipes cannot overcome will not occur. 2. It has strength, rigidity and impact resistance that exceed ordinary pure plastic pipes, and is similar to low linear expansion coefficient and creep resistance of steel pipes; 3. Light weight, convenient installation, pipeline connection
Published on: January 24, 2024 Number of hits: 3
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Characteristics of Hainan municipal pipeline steel belt bellows 1. High ring stiffness, strong resistance to external impact: ring stiffness can reach SN12.5, SN16 and higher; MRP is a flexible pipe. When it is subjected to external impact, it has excellent shape recovery and uneven foundation resistance
Published on: January 24, 2024 Number of hits: 3
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1. Market prospect Plastic pipe is a developing industry in general and will grow at a growth rate far higher than GDP in the future. At present, it is still dominated by middle and low-end products, and is in the transition period to middle and high-end products. The scale of the industry will reach more than 100 billion this year and next year. The market competition is fierce, and the survival situation of the manufacturers in the industry is far from the same, so they are in a relatively strong market both upstream and downstream
Published on: January 22, 2024 Number of hits: 4
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The plastic pipe industry is deeply trapped in the talent dilemma. The development of the industry lacks talent support. The whole cultivation mechanism of the team model obviously leads to the difficulty of retaining professional talents in the plastic pipe industry enterprises, which restricts the expansion of the plastic pipe industry enterprises. The industry has high requirements for the professional quality of employees, mainly in the following two aspects: (1) employees need to have basic knowledge and legal knowledge of the industry,
Published on: January 22, 2024 Number of hits: 1
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The raw materials of plastic pipes are mainly PVC, PE, PP and other macromolecular materials. In China, PVC raw materials are mainly produced in the chlor alkali industry, a small amount in the petrochemical industry, and PE and PP raw materials are mainly produced in the petrochemical industry. The upstream industry of plastic pipe industry is mainly the production industry of PVC, PE, PP and other resin raw materials
Published on: January 22, 2024 Number of hits: 1
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By 2022, in the national new construction, reconstruction and expansion projects, 85% of building drainage pipes will be plastic pipes, 80% of building rainwater drainage pipes will be plastic pipes, 50% of urban drainage pipes will be plastic pipes, 85% of building water supply, hot water supply and heating pipes will be plastic pipes, and 80% of urban water supply pipes (below DN400mm) will be plastic pipes
Published on: January 22, 2024 Number of hits: 1
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Hainan plastic inspection well Plastic inspection well consists of well seat, shaft, well cover, connecting pipe fittings, etc. The road load is applied around the inspection well through the well cover and well seat to avoid the damage of road load to the inspection well. The cover seat has the function of floating up and down, which can actively adapt to the height change of the road surface. At the same time, the shaft can intercept the corresponding length according to the burial depth on site, which has great flexibility
Published on: January 17, 2024 Number of hits: 3
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With the rapid development of the construction market and the continuous improvement of rural road construction in recent years, the steel mesh skeleton pipe in Hainan has been widely used in various water pipes, water supply plants, chemical sewage discharge, sea water transportation and other fields with its own product advantages. 1. Before the construction of the steel mesh skeleton pipe, the pipes and fittings must be inspected and signed, including the quality of the product
Published on: January 10, 2024 Number of hits: 2
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Hainan municipal pipeline I. Pipeline material 1. Basic requirements: sufficient strength and certain rigidity; The inner wall surface of the pipe is smooth, reducing the flow resistance; Have certain corrosion resistance; Sufficient airtightness; Easy to process and economical. 2. Common pipes
Published on: January 3, 2024 Number of hits: 2
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Hainan plastic inspection well Plastic inspection well consists of well seat, shaft, well cover, connecting pipe fittings, etc. The road load is applied around the manhole through the manhole cover and well seat to avoid the damage of the road load to the manhole. The cover seat has the function of floating up and down, which can actively adapt to the changes in the height of the road. At the same time, the shaft can be intercepted according to the burial depth on site
Published on: December 26, 2023 Number of hits: 2
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Hainan steel mesh skeleton pipe I. What is steel mesh skeleton composite pipe? The steel mesh skeleton pipe is a short name for the steel mesh skeleton polyethylene composite pipe. It is a new type of improved pipe. It overcomes the shortcomings of steel pipe and plastic pipe, while maintaining the advantages of steel pipe and plastic pipe, it has higher pressure resistance and excellent flexibility. 2、 Steel mesh skeleton composite pipe
Published on: December 20, 2023 Clicks: 4
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As one of the important components of urban infrastructure, Hainan Municipal Pipeline Municipal Pipeline can timely drain urban surface rainwater, provide industrial and domestic water for the city, and prevent urban water resources from being polluted. It has sufficient strength and rigidity, smooth inner wall surface of the pipeline, reduces water flow resistance, and has certain corrosion resistance and sufficient tightness,
Published on: December 12, 2023 Number of hits: 2
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Hainan plastic inspection well 1. The excavation of well and pit shall be carried out at the same time as the pipe trench. During excavation, the main pipe of the well seat shall be on the same axis as the pipe in the pipe trench. During pit excavation, the foundation soil shall not be disturbed. If the foundation soil is disturbed, remedial measures shall be taken according to the soil quality of the foundation soil. During manual excavation of well pit, temporary soil piling or other loads shall not affect the stability of well pit
Release time: December 5, 2023 Number of hits: 5
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Hainan steel mesh skeleton pipes, like steel mesh skeleton composite pipes, have various specifications, models and sizes, but their lengths are limited, so they generally need to be connected during construction. When connecting pipes, be sure to master the correct method,
Published on: November 28, 2023 Number of hits: 6
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