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storage tank
Risk analysis of full pressure storage tanks (1) Fire and explosion 1) Failure to follow the hot fire regulations when conducting open flame operations in places with fire and expl...
Risk analysis of full pressure storage tank
Brief introduction of full-pressure storage tanks Storage tanks are stored under normal temperature conditions, and its characteristic is that the storage pressure changes with the ambient temp...
Full pressure storage tank features
Classification of storage tanks: storage tanks can be divided into full-pressure storage tanks, semi-refrigerated storage tanks and full-refrigeration storage tanks according to the liquefied form;...
Classification of storage tanks
(3) Measures such as reducing welding residual stress and weld hardness, coating the inner surface (using thermal sprayed aluminum and epoxy resin), and strictly controlling the content of moisture...
Weld hardness of liquefied gas storage tank
(2) Although the liquefied gas storage tanks that have undergone defect treatment are safe, due to the complexity of practical problems, it is recommended that enterprises reduce the operating pres...
The use process of liquefied gas storage tank
5 Conclusion (1) Through the comprehensive inspection and defect treatment of the defects of the liquefied gas storage tank, the operation of the liquefied gas storage tank under normal working con...
Comprehensive inspection of liquefied gas storage tanks
16 MnR low-alloy high-strength steel, medium with H2S content seriously exceeding the standard, and high hardness and high-stress environment are enough to cause stress corrosion cracking of H2S. T...
Material safety of liquefied gas storage tanks
The content of H2S in the tank was as high as 800 mg/L for a period of time, which was much higher than the specification in the design data of [4]. According to relevant data, generally speaking, ...
Design regulations for liquefied gas storage tanks
Requirements for planning of LPG storage tank manufacturing. Design is the foundation of manufacturing, and the manufacturability and testability of manufacturing should be considered at the planni...
Requirements for planning of LPG storage tank manufacturing
For a certain metal, stress corrosion cracking occurs only in a specific medium environment. (3) In a state of tensile stress. The greater the tensile stress, the shorter the time required for the ...
Heat treatment effect of LPG storage tank
4 Causes of cracks From the location, size, hardness test value of cracks and the analysis of the use of liquefied gas storage tanks, it can be seen that the cracks are caused by stress corrosion. ...
Usage of LPG storage tanks
Grinding and eliminating all cracks, the pit left after grinding becomes a new defect of the liquefied gas storage tank. The pit size is 80 mm long, 50 mm wide, and 3 mm deep, and it is located at ...
Liquefied gas storage tanks meet the requirements for safe use
2.5 Inspection of safety accessories The safety valve, pressure gauge, thermometer and liquid level gauge of the liquefied gas storage tank shall be calibrated to ensure the safe operation of the l...
The calibration of liquefied gas storage tanks is qualified
2.4 Hardness measurement Use the HL-80 Leeb hardness tester to test the hardness of the liquefied gas storage tank (including all cracks). Each measurement point includes the base metal liquefied g...
Use of LPG storage tank hardness determination
Preparations: Ensure that the high-pressure water source and water supply pipeline are unblocked, and check the working status of the water injection device and the normal operation of the safety v...
Working principle of high pressure water injection device for liquefied gas storage tank
When using the high-pressure water injection device for liquefied gas storage tanks, it is necessary to strictly abide by the relevant safety operating procedures, and operate and adjust according ...
Purpose of high pressure water injection device for liquefied gas storage tank
The pressure inside the liquefied gas storage tank will increase, exceeding the pressure limit of the design standard, which may cause the rupture or leakage of the liquefied gas storage tank. This...
Hazards and risks of exceeding the filling factor of LPG storage tanks
The selection of the filling factor needs to consider many factors, including the structural strength of the storage tank, the characteristics of the liquefied gas, environmental conditions, operat...
Design Considerations for LPG Storage Tanks
The tank filling factor refers to the fullness of the liquefied gas in the tank. Filling factor is an important parameter when designing and using storage tanks, which affects the safety and perfor...
Design details of LPG storage tank
2.3.2 Penetrant flaw detection Penetrant flaw detection was carried out on the inlet hole of the liquefied gas storage tank, the fillet weld of the connecting pipe, and the parts that cannot be tes...
LPG storage tank penetration flaw detection
2.2 Wall thickness measurement The wall thickness of the key parts of the underground liquefied gas storage tank is measured. The measurement position is representative and there are enough measure...
LPG storage tank flaw detection
Details are as follows. 2.1 The results of macroscopic inspection show that the staggered amount of the longitudinal seam of the buried liquefied gas storage tank is 3 mm, the staggered amount of t...
LPG storage tank parameters
The main inspection items are macroscopic inspection, wall thickness measurement, nondestructive testing, hardness measurement, safety accessory inspection, pressure test, etc. After a comprehensiv...
LPG storage tank safety accessories inspection
The liquefied gas storage tank is horizontal, and the weld layout is shown in Figure 1. The main technical parameters of the liquefied gas storage tank are shown in Table 1. 2 Comprehensive inspect...
Horizontal liquefied gas storage tank inspection plan
This paper analyzes and deals with the causes of defects found in the comprehensive inspection of liquefied gas storage tanks, and puts forward preventive measures to ensure the safe operation of l...
Safe operation of liquefied gas storage tank
Once an accident occurs, it will be catastrophic and will bring huge property losses to the enterprise and the country. Therefore, regular inspections, defect repairs, and assessments of liquefied ...
Safe production of liquefied gas storage tank
Cylindrical liquefied gas storage tanks are mostly horizontal, and vertical ones are only used in special occasions. Moisture and H2S are closely related to the corrosion of liquefied gas storage t...
The structure of the liquefied gas storage tank
When the total storage volume is less than 500 m3 or the volume of a single liquefied gas storage tank is less than 120 m3, it is more economical to choose a cylindrical liquefied gas storage tank ...
Storage tank volume of liquefied gas storage tank
Comprehensive inspection and defect treatment of liquefied gas storage tanks Cylindrical liquefied gas storage tanks are widely used in petroleum, chemical, metallurgy and city gas supply. Cylindri...
Comprehensive inspection of liquefied gas storage tanks
To sum up, the mechanical cleaning of in-service storage tanks requires strict training for the cleaning operation and management personnel, especially the training of safe operation knowledge and ...
Knowledge of safe operation of liquefied gas storage tanks
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