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Discussion on heat tracing design of chemical pipeline

This paper briefly introduces the heat tracing methods of process pipes in chemical plants, and studies the steam heat tracing design of process pipes in chemical plants based on various heat tracing methods in chemical production process. With the increasing energy crisis in the world, how to save energy has become one of the highly important research areas in the world. Insulation of equipment and pipelines is one of the important energy saving measures. In order to prevent the equipment and pipeline from emitting or absorbing heat to the surrounding environment during the production process, thermal insulation engineering has become […]

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What is a filter

What is a filter? The filter is an indispensable device in the pipeline for transporting media and is usually installed at the inlet end of other equipment such as pressure reducing valves, pressure relief valves, constant water level valves. The strainer is composed of a barrel, a stainless steel screen, a drainage part, a transmission device and an electrical control part. After the water to be treated passes through the cartridge of the filter screen, its impurities are blocked. When cleaning is needed, it is only necessary to take out the removable cartridge and reload it after treatment, so it […]

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Expansion Joints: Everything You Need To Know

Expansion joints are flexible components that can effectively play a role in compensating for axial deformation. For example, welded in the fixed tube plate heat exchanger shell on the expansion joint axial flexibility, easy deformation, can compensate for the difference in thermal expansion of the tube and shell due to different wall temperatures, reducing their axial load, thereby reducing the tube, tube plate and shell temperature stress, to avoid causing strength damage, instability damage and tube pull-off damage. There are more types of expansion joints, commonly used waveform, ring plate welding and shell structure, among which waveform expansion joints are […]

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Heat treatment of stainless steel

Stainless steel has been invented from the early 20th century to less than a century, but the momentum of its development and application is exceptionally rapid. Especially since the late 1960s, the world’s production of stainless steel basically maintained an average annual growth rate of 4%, the application of stainless steel has gradually expanded to all areas of the national economy. The reason why stainless steel can be so rapid development, an important factor is its corrosion resistance, heat resistance. The advantages and disadvantages of stainless steel heat treatment process on the corrosion and heat resistance of stainless steel has […]

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Development of seamless steel pipe for 20MnV hydraulic cylinder

In recent years, the global construction machinery industry has shown a stable development trend. With the rapid development of various major infrastructure construction in China, especially the development of the engineering construction business represented by “One Belt One Road”, the traditional market is growing steadily, and the demand for domestic construction machinery is growing steadily, while the technical indicators of energy consumption, strength and stability of construction machinery have raised higher requirements. As an important part of construction machinery, hydraulic cylinder has extremely high requirements on cushioning, high load, high frequency and stability. As the most important raw material of […]

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Where to buy high pressure pipe fittings

High-pressure pipe fittings are used to connect various types of pipes and hoses. They are important because they allow you to connect multiple pieces of pipe without any leaks or other problems. Where to buy high pressure pipe fittings? High-pressure pipe fittings can be made out of different materials, such as stainless steel or alloy steel, and come in various styles. These include compression fittings, flareless fittings, flanged fittings, and more! But before you run out and purchase some high-pressure pipe fittings from your local hardware store, there are a few things that you need to consider first: The first […]

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How to build the long-distance oil and gas pipeline

With economic and social development, domestic oil and gas consumption, especially natural gas consumption, has maintained a rapid growth trend, and oil and gas pipeline construction is ushering in a golden period of development. In recent years, to meet the demand, the scale of China’s oil and gas pipeline network has been expanding, and the construction and management level of oil and gas pipelines has been substantially improved. The establishment of the national pipeline network company will accelerate the pace of oil and gas pipeline construction in China. The long-distance oil and gas pipeline should first determine the pipeline route […]

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Selection principle of common steel pipe flanges

The article introduces the basic types and applications of various steel pipe flanges often used in the salt chemical industry, focusing on the nominal diameter, nominal pressure and flange sealing surface of steel pipe flanges and other characteristics as well as the principles of selection and selection methods in the design of pipelines. 1. Preface Steel pipe flanges are mainly used for the connection of pipelines and chemical equipment, and are widely used in the salt chemical industry. At present, there are more flange standards, including national standard GB/T9112-9124-2000; chemical industry standard HG/T20592-20635-2009; mechanical industry standard JB/T74-90-1994; American standard ASME […]

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Type of Pipes & Tubes

STEEL PIPES & TUBES Steel Pipes and Tubes have some outstanding features which help the product to stand as one of the most highly usable in markets which mainly includes Toughness, Highly durable & Smooth finish. Type of Pipes & Tubes Steel pipes can be divided into carbon steel pipes (also known as carbon steel pipes) and alloy steel pipes, stainless steel pipes, etc. according to the material of pipe making (i.e. steel type). CARBON STEEL PIPES AND TUBES Carbon steel pipe is used as the base pipe of bimetallic combination tubing, which has an internal liner made of stainless […]

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Forging process of barrel forgings

Barrel parts are an important type in the forging industry. With the development of China’s heavy equipment manufacturing industry, the application of large barrel parts is increasing, which provides rare business opportunities for the large free forging industry. However, due to the large weight of large barrel parts, complex process, forging process, easy to have quality problems, also brings great difficulty to forging. Our company ordered a large barrel type part, the material is 20SiMn, the weight of the forging is 52,890kg, which needs to use 83t ingot production, the utilization rate is 63.7%. The equipment is 80MN hydraulic press […]

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