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Pipeline connecti​on methods of pipeline engineering

Pipeline connection is inevitable in every pipeline project, and it is also one of the most important factors that directly determine the quality of pipeline engineering. We summarized the size of various pipeline connection methods that need attention, hoping to provide you with reference and help you improve the quality of pipeline engineering. Threaded connection (1) If it is necessary to break the pipe according to the mapping sketch on site, the iron film and burr on the cross section of the pipe orifice should be cleaned after the pipe break. (2) Before installing the pipe fittings, the appearance quality of […]

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Research on Problems and treatment measures in equipment and pipeline design a……

For the oxygen station, the equipment and pipeline are the key parts. Especially during the production, transportation and storage of the oxygen station, a little carelessness may lead to various emergencies, threatening the personal safety of the operators. If the accident involves a large area, it may even have a great impact on the whole oxygen station. Based on this, based on the installation of oxygen station equipment and pipeline, this paper focuses on the possible problems in the installation process, then puts forward the corresponding solutions according to the relevant problems, and puts forward the precautions in the installation […]

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Safety measures on oxygen pipeline

Two accidents of oxygen pipeline burning explosion occurred in China’s steel industry in 2021 are introduced , and the mechanism of burning explosion in oxygen pipeline is briefly analyzed. Standard requirements and corresponding measures in aspects of oxygen pipeline flow rate control , material selection , pipe and valve selection and pipeline construction , which should be followed to ensure the safety of oxygen pipeline , are described in details , according to the national standard “Safety technical regulation for oxygen and relative gases produced with cryogenic method”. Finally , the experience of safe use of oxygen pipelines is presented. […]

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How to weld air conditioning copper pipe

The refrigeration piping system in refrigeration and air conditioning generally uses non-ferrous metal materials such as copper pipe and aluminum pipe. In the process of manufacturing, installation and maintenance, pipeline welding is a key link. It not only affects the beauty, but also affects whether the system can work normally, which must be paid great attention to. What is a air conditioning copper pipe? Air conditioning copper pipe refers to the connecting copper pipe connecting the indoor unit and outdoor unit of the air conditioner. Air conditioning copper pipe has the characteristics of hard texture, not easy to corrosion, high […]

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What is a sealing gasket

What is a sealing gasket? Sealing gasket is a kind of sealing spare parts used in machinery, equipment and pipelines as long as there is fluid. It uses internal and external materials to seal. The sealing gasket is made of metal or non-metal plate material through cutting, stamping or cutting. It is used for sealing connection between pipes and between parts of machinery and equipment. According to the material, it can be divided into metal sealing gasket and non-metal sealing gasket. Metal gaskets include copper gaskets, stainless steel gaskets, iron gaskets, aluminum gaskets, etc. Non metallic ones include asbestos gasket, non asbestos […]

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What is a flat washer

What is a flat washer? Flat washers are usually thin parts of various shapes to reduce friction, prevent leakage, isolate, prevent loosening or disperse pressure. Many materials and structures have such components to perform various similar functions. Due to the material and process limitations of threaded fasteners, the bearing surface of fasteners such as bolts is small. Therefore, in order to reduce the compressive stress on the bearing surface and protect the surface of the connected parts, washers are used. The flat washer is basically made by stamping. The edge of one side has radian and the other side has […]

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What is a spring washer

What is a spring washer? Spring washer is widely used in load-bearing and non load-bearing structures of general mechanical products. It is characterized by low cost and convenient installation. It is suitable for parts with frequent assembly and disassembly. It is made of stainless steel and carbon steel, which is iron. The commonly used spring washers are M3, M4, M5, M6, M8, M10, M12, M14 and M16. These specifications are commonly used. Principle and function of spring washer Function of spring washer: The basic function of the spring washer is to give a force to the nut after the nut […]

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How to solve the welding deformation and burn through of stainless steel sheet

The most difficult problem in the welding of stainless steel sheet is welding penetration and deformation. The restraint of stainless steel sheet is small ‚ it is subject to local heating and cooling during the welding process ‚ uneven heating and cooling are formed, and the weldment will produce uneven stress and strain. When the longitudinal shortening of the weld exceeds a certain value on the edge of the sheet, That is, it will produce serious wave deformation ‚ affecting the shape quality of the workpiece. How to solve the welding deformation and burn through of stainless steel sheet? The […]

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What is forging

What is forging? Forging is a processing method that uses forging machinery to exert pressure on metal blank to produce plastic deformation to obtain forgings with certain mechanical properties, certain shape and size. It is one of the two components of forging (forging and stamping). Forging can eliminate the defects such as as as cast porosity in the smelting process and optimize the microstructure. At the same time, because the complete metal streamline is preserved, the mechanical properties of forgings are generally better than those of castings of the same material. For important parts with high load and severe working […]

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Study on transportation management of oil pipeline

As a large oil importer, China imports half of the total oil consumed in China every year, and the main way to transport oil is pipeline transportation. Therefore, it is particularly important to strengthen the management of oil pipeline transportation industry. This paper briefly analyzes the development status, existing safety problems and protection measures of China’s oil pipeline transportation industry, and makes suggestions on how to improve the management system of oil pipeline transportation industry. With the development of society, oil, as one of the lifeblood of China’s economy, has been widely used in all walks of life, and its […]

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