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Supply chain problems of PVC water supply pipes

The characteristics of market economy are openness and competitiveness. The competition among enterprises is manifested as the competition in the supply chain. A complete supply chain can shorten the time of logistics supply, improve the efficiency of logistics, reduce opportunity costs for enterprises in the chain, and maximize the creation of its value. For the supply chain similar to PVC pipes, the main competition is in the logistics link. Logistics is a buffer zone for economic development. For the procurement logistics of PVC water supply pipes, the bulk of the procurement of such pipes is generally relatively large. The raw materials needed for production need to be purchased from a specific supplier and shipped back to the factory from the supplier. The second is the logistics within its enterprise. The main performance is to put the purchased raw materials and parts into the warehouse and keep them properly, and supply them to the production line in time. The third is a key link, namely sales logistics. PVC water supply pipe is a pipe with a wide range of applications, and its wholesalers and retailers are the end links of the entire supply chain.
15 2017/12

Type classification of pe drainage pipe

Drainage pipes are mainly responsible for drainage of rainwater, sewage, irrigation and drainage of farmland. Drainage pipes are divided into concrete pipes (CP) and reinforced concrete pipes (RCP). Drainage pipe specifications include pipe inner diameter DO (100mm-3000mm), length LO (30mm-200mm), pressure index, grade Ⅰ, grade Ⅱ and grade Ⅲ. The caliber is divided into: flat mouth, tongue and socket, socket, double socket, steel socket. Production of reinforced concrete drainage pipe equipment: mixing system, pipe mold (flat mouth, tongue and socket, double socket, steel socket), forming equipment (centrifuge, suspension roller, vertical axial extrusion molding machine, vertical Radial extrusion molding machine, core mold vibration hydraulic molding machine, vertical radial extrusion molding machine, core mold vibration hydraulic molding machine, vibration molding device), feeder, steel plate skeleton roll welding machine, hydraulic press, external pressure Machine waiting. The drainage pipe is a new type of permeable and drainage plastic pipe with corrugated appearance formed by adding other additives to high density polyethylene (HDPE). The permeable corrugated pipe is perforated in the groove, and the outer circumference of the pipe is covered with acupuncture geotextile. Processed. According to the type of bellows, it can be divided into single-wall water-permeable bellows and double-wall water-permeable bellows. Because the pipe hole of this product is in the wave trough and is elongated, it effectively overcomes the drawbacks of flat round hole products that are easy to be blocked and affect the drainage effect. According to different drainage requirements, the size of the pipe hole can be 10mm×1mm-30mm ×3mm, and can be evenly distributed in the range of 360 degrees, 270 degrees, 180 degrees, 90 degrees, etc., widely used in roads, railway subgrades, subway projects, waste landfills, tunnels, green belts, sports fields and partial moisture content High-induced slope protection and other drainage fields, as well as underground irrigation and drainage systems for agriculture and horticulture. Together with soft permeable pipes and plastic blind ditch, it has become the three main products in civil engineering construction (water seepage and drainage) in my country. Depending on the drainage pressure, the municipal drainage network can choose double-arm corrugated pipes and straight wall pipes. Straight-wall pipes have strong pressure bearing capacity and can be used as special pipes for large drainage and sewage pipe networks.
15 2017/12

Noise reduction measures for PVC drainage pipes

Jiangsu Belden Plastic Industry Development Co., Ltd. is a professional manufacturer of PVC drainage pipes.    PVC drainage pipe noise reduction measures.    People think that the noise of PVC drainage pipe is louder, which is also one of the obstacles in the promotion of this product. After testing, the noise of PVC drainage pipes at the bottom is 2 to 3 decibels larger than that of cast iron drainage pipes, which does not exceed the national standard for noise in daily life. But why do users have greater feedback on this issue? The first reason is that people are There is a process of adapting to the new environment. Building a building will amplify the sound due to the echo effect of the empty house; the second is the inadequate technical measures adopted in the design. For this reason, I believe that the first thing to do is to keep the drainage riser away from the room and living room when designing; pay special attention to the technical requirements at the junction of the riser and the bottom drainage pipe during construction. This elbow should use two 45° elbows. Connect and set up buttresses at the bottom of the riser to prevent settlement. I think that the plastic pipe buttress must be located at the lower end of the riser axis, and wrap the entire elbow to make the water flow in the riser fall to the real place, so that the impact sound is also reduced. This type of buttress not only plays a role in preventing settlement , Also has the effect of eliminating noise, of course, it is bigger than the buttress at the bottom of the cast iron drainage pipe. In order to reduce the noise of the bottom layer, some felt or rubber cushions can be put into the inner side of the holder of the bottom riser pipe to tighten properly, so as not to hinder the expansion of the riser pipe. The empty chirping of the sub-pipe.    For more knowledge, please visit: http://www.baitongplastics.com
29 2017/09

Advantages of pvc drainage pipe

PVC drainage pipes have been used more and more widely, improving the living standards of residents. Understand the advantages of pvc drainage pipes, and hope to have a deeper understanding of pvc drainage pipes.    1. The surface hardness and tensile strength of the pipe are excellent, and the pipe safety factor is high.    2. The pvc drainage pipe has good aging resistance, and the normal service life can reach more than 50 years.   3. The pipeline has excellent corrosion resistance to inorganic acids, alkalis, and salts, and is suitable for industrial sewage discharge and transportation.   4. The friction coefficient of pvc drainage pipe is small, the water flow is smooth, not easy to be blocked, and the maintenance workload is small.    5. pvc drainage pipe material has high oxygen index and self-extinguishing.   6. The linear expansion coefficient of the pipeline is small, 0.07mm/℃, and the amount of deformation affected by temperature is small. The thermal conductivity and elastic modulus are small, and the anti-freezing performance is better than that of cast iron drain pipes.   7. The connection of pipes and pipe fittings can be bonded. The construction method is simple, the operation is convenient, and the installation work efficiency is high.
23 2017/09

HDPE water supply pipe benefits

hdPE water supply pipe PE pipes for water supply are the replacement products of traditional steel pipes and PVC drinking water pipes. The water supply pipe must bear a certain pressure, usually PE resin with large molecular weight and good mechanical properties, such as HDPE resin, should be used. LDPE resin has low tensile strength, differential pressure resistance, poor rigidity, poor dimensional stability during molding and difficult connection, and is not suitable as a material for water supply pressure pipes. However, due to its high hygienic index, LDPE especially LLDPE resin has become a common material for the production of drinking water pipes. LDPE and LLDPE resins have low melt viscosity, good fluidity, and easy processing, so their melt index can be selected in a wide range, usually MI is between 0.3-3g/10min. Performance characteristics A good pipeline should not only have good economy, but also have a series of advantages such as stable and reliable interface, impact resistance, crack resistance, aging resistance, corrosion resistance, etc. Compared with traditional pipes, HDPE piping system has the following: Series advantages: ⑴Reliable connection: The polyethylene pipe system is connected by electric heating, and the strength of the joint is higher than the strength of the pipe body. ⑵Good low-temperature impact resistance: The low-temperature embrittlement temperature of polyethylene is extremely low, and it can be used safely in the temperature range of -60-60℃. During construction in winter, because the material has good impact resistance, the pipe will not be brittle. ⑶ Good stress crack resistance: HDPE has low notch sensitivity, high shear strength and excellent scratch resistance, and its environmental stress crack resistance is also very outstanding. ⑷Good chemical resistance: HDPE pipelines can withstand the corrosion of a variety of chemical media, and the chemicals in the soil will not cause any degradation to the pipeline. Polyethylene is an electrical insulator, so it will not rot, rust or electrochemical corrosion; in addition, it will not promote the growth of algae, bacteria or fungi. Nevertheless, harmful substances are released during combustion. ⑸Aging resistance and long service life: The polyethylene pipe containing 2-2.5% evenly distributed carbon black can be stored or used outdoors for 50 years without being damaged by ultraviolet radiation. ⑹Good abrasion resistance: The comparison test of the abrasion resistance of HDPE pipe and steel pipe shows that the abrasion resistance of HDPE pipe is 4 times that of steel pipe. In the field of mud transportation, HDPE pipes have better wear resistance than steel pipes, which means that HDPE pipes have a longer service life and better economy. ⑺Good flexibility: The flexibility of HDPE pipeline makes it easy to bend. In engineering, obstacles can be bypassed by changing the direction of the pipeline. In many cases, the flexibility of the pipeline can reduce the amount of pipe fittings and reduce installation costs. ⑻Small water flow resistance: HDPE pipe has a smooth inner surface, and its Manning coefficient is 0.009. The smooth performance and non-adhesive characteristics ensure that HDPE pipes have a higher conveying capacity than traditional pipes, and at the same time reduce the pressure loss of the pipeline and the energy consumption of water transmission. ⑼Convenient handling: HDPE pipes are lighter than concrete pipes, galvanized pipes and steel pipes. It is easy to handle and install. Lower manpower and equipment requirements mean that the installation cost of the project is greatly reduced. ⑽Various new construction methods: HDPE pipeline has a variety of construction technologies. In addition to traditional excavation methods, it can also use a variety of new non-excavation technologies such as pipe jacking, directional drilling, liner, Construction methods such as split pipes are the only option for places where excavation is not allowed. Therefore, HDPE pipelines are more widely used.
07 2015/11
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