Industry Information

Update September 29, 2022

Hazards or effects of oxygen, nitrogen and hydrogen on steel products

1. The hazards of oxygen Oxygen, like hydrogen, can have an adverse effect on the mechanical properties of steel. Not only the concentration of oxygen, but also the number and type of inclusions...

Update September 20, 2022

What are the key points to note in welding high carbon steel

High-carbon steel refers to w (C) higher than 0.6% of carbon steel, which has a greater tendency to harden than medium-carbon steel, and the formation of high-carbon martensite, more sensitive to the...

Update September 16, 2022

The purpose of solid solution treatment of stainless steel

Austenitic stainless steel by solid solution treatment to soften, generally heated stainless steel to 950 ~ 1150 ℃, holding a period of time, so that carbide and various alloying elements fully and...

Update September 08, 2022

World's Largest LNG Storage Tank Rises to the Top - China National Offshore Oil Yancheng "Green Energy Port" Project

China National Offshore Oil's "Green Energy Port" in Yancheng, Jiangsu Province, is a key project in the national natural gas production, supply, storage and marketing system construction and...

Update September 06, 2022

Precautions before installation of tubular heat exchangers

The tube and tube heat exchanger is a heat exchanger with simple structure, high heat transfer efficiency and strong adaptability (can be used at high temperature, low temperature, high pressure or...

Update August 29, 2022

Principles of steel selection for pressure vessels

The selection of steel should be based on the design pressure of the equipment, the design temperature and the characteristics of the medium. The selected material should have good mechanical...

Update August 22, 2022

What is included in the periodic inspection of pressure vessels?

Periodic inspection of pressure vessels includes external inspection, internal and external inspection and pressure resistance test; The external inspection can be carried out during the operation of...

Update August 16, 2022

Principle and characteristics of a new centrifugal thin film evaporator

Evaporation is the basic unit operation of zui, which is common in the operation of chemical unit. From the operation mode, it can be divided into single-effect evaporation, multi-effect evaporation...

Update August 12, 2022

What is the scope of application of falling film evaporator?

The falling film evaporator is suitable for evaporation and concentration of foaming materials. Because the liquid liquid evaporates in the heating tube, it forms vapor-liquid separation. At the...

Update August 08, 2022

Chemical equipment running sick like playing with fire

In recent years, there have been a number of safety incidents caused by too old chemical equipment every year. As oil and chemical equipment are subjected to high temperatures and high pressures, and...