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Working principle of expansion joint2024-04-20 17:25:22: Firstly, let's understand the structure of the expansion joint. Expansion joints are usually composed of metal and rubber materials, which have good flexibility and corrosion resistance. Its working principle mainly relies on the thermal expansion and contraction properties of materials, as well as the bendability of metal materials. When the equipment is subjected to temperature or pressure changes, the expansion joint will adapt to these changes through expansion and contraction deformation, thereby maintaining the sealing of the equipment.Secondly, let's take a look at the working process of the expansion joint. When the equipment is subjected to thermal expansion or pressure retention, the expansion joint will extend outward or contract inward to absorb the length or pressure changes caused by thermal expansion and contraction.In this way, the structure of the equipment can remain relatively stable during temperature or pressure changes, avoiding equipment damage or leakage caused by thermal expansion and contraction. The working principle of the expansion joint is based on thermodynamic and mechanical principles, and it is very reliable. Its design takes into account various factors, such as temperature range, pressure range, and deflection limit, to ensure that the equipment can operate normally under various working conditions....

The role of double hinge expansion joints in vacuum pipelines of air-cooled islands2024-04-19 20:45:12: The double hinge expansion joint of the air-cooled island vacuum pipeline plays an important role in the system. This type of expansion joint mainly consists of a corrugated pipe, two sets of hinge plates connected to the end pipe, and a pair of pin shafts. It is usually used in groups of two or three to absorb lateral displacement in one or more directions in a single plane pipe system.In the system, each expansion joint is constrained by its hinge plate, resulting in pure angular displacement. Each pair of hinge type expansion joints separated by the pipe section cooperate with each other and can absorb lateral displacement. The hinge plate of the expansion joint is usually used to bear all the pressure and thrust acting on the expansion joint, and can also be used to bear the weight of pipelines and equipment, wind loads, etc.Specifically, the main function of the double hinge expansion joint is to compensate for the thermal expansion and contraction of the pipeline caused by temperature changes or mechanical vibrations. Through its unique structural design and working principle, the double hinge expansion joint can effectively absorb and alleviate stress and displacement in the pipeline system, thereby protecting the stability and safety of the pipeline system.Therefore, the application of double hinge expansion joints in air-cooled island vacuum pipeline systems can significantly improve the reliability and durability of the pipeline system, ensuring the normal operation and efficient performance of the entire system.Overall, the double hinge expansion joint of the air cooling island vacuum pipeline is a key component to ensure the safe and stable operation of the pipeline system, which is of great significance for improving the performance and efficiency of the entire system....

Technical requirements for unsold baffle doors in cement plants2024-04-11 14:35:55: The technical requirements for the cement plant's unsold baffle door mainly include the following aspects: Material and structural requirements: The release baffle door should be made of high-strength and corrosion-resistant materials to ensure its long-term stable operation in harsh industrial environments. At the same time, its structure should be designed reasonably, able to withstand extreme conditions such as high temperature and high pressure, and convenient for installation and maintenance....

The application of rotary compensator2024-04-11 13:57:18: Rotating compensator is a device used to solve the problems of thermal expansion and displacement in pipelines. It is widely used and has the following advantages and disadvantages:...

Material selection of expansion joints2024-04-10 17:39:36: The material selection of expansion joints mainly depends on their working environment, usage conditions, and required performance characteristics. The following are some common expansion joint materials and their characteristics:...

Calculation of installation length of pipeline compensator2024-04-10 17:24:31: The installation length calculation of pipeline compensator is usually based on the thermal expansion and contraction characteristics of the pipeline and the performance of the compensator. The following are general calculation steps and considerations:...

Installation precautions for expansion joints2024-04-10 17:23:06: When installing the expansion joint, attention should be paid to the following aspects: Inspection and preparation: Before installation, carefully check the form, specifications, and quantity of expansion joints to ensure they are not damaged. At the same time, construction personnel need to carefully read the product manual, understand the construction drawings, and develop installation steps and plans....

Selection of metal hoses2024-04-09 14:19:47: How to choose a metal hose? Let me introduce it below:(1) The nominal diameter of the size hose, Xingda told us to choose the joint type (mainly flange connection, threaded connection, quick connector connection) and the size of the metal hose, as well as the length of the hose....

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