Discussion on anti-corrosion materials for flange equipment

Discussion on anti-corrosion materials for flange equipment

Flange is the main connecting equipment of process pipeline in petrochemical enterprises. It has a large number and plays a very important role in production and operation. Most of Fujian coastal petrochemical enterprises are located in coastal areas. The high salt ...

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Joint sealing of flange – why 304 material is not recommended for bolts?

In flange joint sealing, when carbon steel flanges or stainless steel flanges are equipped with 304 material bolts, leakage problems often occur in operation. This lecture will make a qualitative analysis of this. What are the basic differences between 304, 304L, 316 and 316L materials? 304, 304L, 316 ...

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Installation process and complete construction operation process of natural gas pipeline

Installation process and complete construction operation process of natural gas pipeline

Installation process and complete construction operation process of natural gas pipeline The installation and construction of natural gas pipeline includes three steps: pipeline welding, pipeline anti-corrosion and pipeline pressure test. Survey site According to the design and construction technical disclosure, the site survey shall be ...

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Pressure test process of pipeline

Pressure test process of pipeline

Pipeline pressure test is the last process of pipeline construction engineering. It is not only a comprehensive inspection of pipeline construction quality, material performance and pipeline integrity, but also an inspection and guarantee of whether the pipeline system can operate ...

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Installation and connection of copper pipes

Installation and connection of copper pipes

For the skilled copper pipe installer, there are a variety of copper pipe connection options available. Not only are there the normal brazed joints, but there are also the excellent performance sleeve joints. We can make joints directly on the pipe and then weld ...

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Comparison of sand blasting, shot blasting and shot peening

Comparison of sand blasting, shot blasting and shot peening

What is shot peening? Shot peening uses the high-speed rotating impeller to throw out small steel shot or small iron shot and impact the part surface at high speed, so the oxide layer on the part surface can be removed. ...

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What is shot peening

What is shot peening

What is shot peening? Shot peening is a process that uses a high-speed rotating impeller to shoot the shot out at high speed, hit the workpiece surface, and clean or strengthen the workpiece surface. The materials used for shot peening ...

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What is shot blasting

What is shot blasting

What is shot blasting? Shot blasting is a process that uses compressed air as power to spray shot onto the workpiece surface and clean or strengthen the workpiece surface. The medium used for shot blasting is round particles without edges ...

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What is sand blasting

What is sand blasting

What is sand blasting? Sand blasting is a surface treatment process that uses compressed air as power to form a high-speed jet beam to spray sand at high speed to the workpiece surface to be treated. The compressed air is used as ...

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Selection of heat exchanger type and scaling treatment method

Selection of heat exchanger type and scaling treatment method

Selection of heat exchanger type and scaling treatment method 1. When the temperature difference is large, floating head heat exchanger, U-shaped tube heat exchanger, stuffing box heat exchanger and sliding tube sheet heat exchanger can be selected. When the shell ...

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