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Application standard and basic situation of Shanghai corrugated compensator

Time: 03-06 󰃯 Reading times: 789 󰃳 Editor in charge: The sea 󰃗 Column: product focus

Introduction: Bellows compensator design, manufacturing, installation and operation management of several stages of composition, reliability. Reliability should also be considered from several aspects. In addition to the work, the medium, operating temperature and environment should be considered

corrugated pipe Compensator The design, manufacture, installation and operation management of several stages constitute reliability. Reliability should also be considered from several aspects. In addition to the work, the medium, operating temperature and environmental factors should be taken into account in the selection and application of raw materials in the heating pipe network. People must also fully consider the stress corrosion, water treatment agent and the possibility of cleaning the pipeline to affect the materials. On this basis, the economy of raw materials and the specific manufacturing of corrugated pipes are optimized.
Do well in the usual maintenance work, is conducive to Metal Expansion Joints In the use of metal compensator, we should often check whether there is leakage, so that we can find problems in time and correct them immediately, so as to avoid greater damage or lead to damage. Generally, there are many kinds of metal compensators, Corrugated compensator Because of its own characteristics and advantages, it is widely used.
The bellows of the compensator must have good thermal stability. When the working temperature rises, it can also maintain a relatively stable elastic rate. The stiffness, pressure resistance and fatigue resistance of the bellows are slightly reduced. Because of its characteristics, compensator is widely used in aerospace, navigation, petrochemical industry, smelter, power plant, information industry, industrial equipment manufacturing and engineering pipeline connection, which effectively ensures the high safety factor of pressure pipeline when transporting all kinds of harmful, toxic, flammable and explosive materials, and prevents environmental pollution caused by environmental pollution leakage, such as ocean, sky, factory, etc.
Under normal conditions, the bellows materials shall meet the following standards:
1. High elasticity, compressive strength and fatigue to ensure the bellows work.
2. Excellent plasticity to facilitate the shaping and processing of bellows, and obtain sufficient strength and compressive strength according to the following treatment methods (cold work hardening, quenching and tempering treatment, etc.).
3. Good corrosion resistance, in order to consider the bellows in the work of different environmental requirements.
4. Excellent welding characteristics, in order to consider the welding process requirements in the production process of bellows. For the laying of heat pipe network in the ditch, when the pipeline rain or accidental waste water in low-lying areas will be soaked Bellows compensator The choice of nickel alloy, high nickel alloy and so on should be considered. Because of the rise in the price of this material in bellows manufacturing, one can consider an additional layer of etch on the surface of the wear-resistant alloy only in contact with the etchant. The type of bellows fatigue life and failure reason analysis design compensation can be seen that the aircraft bellows stability, stability and corrosion cycle of two pairs of displacement is the anti fatigue life. Too low will result in lower stability and fatigue life of corrosion-resistant metal bellows.
The corrugated compensator made by Shanghai Luoying has excellent welding characteristics to meet the requirements of welding process in the production process of bellows. In view of the hot pipe network laid in the ditch, such as rain in the low-lying pipeline or accidental waste water will be soaked in the bellows compensator, it should be considered that the material with more corrosion resistance, nickel alloy, high nickel alloy, etc.