fbpx
Menu Close

Air compressor air storage tank simple pressure vessel and fixed pressure vessel introduction

Sollant 75KW Screw Air Compressor

 

According to the safety factor of the gas storage tank, the gas storage tank is divided into a simple pressure vessel and a fixed pressure vessel.

  1. Scope of use:(1) Simple pressure vessel. The design pressure is less than or equal to 1.6MPa, the volume is less than or equal to 1000L, the product of the working pressure volume and the container is greater than or equal to 2.5MPa, and less than or equal to 1000MPa, and the medium is water vapor obtained by evaporating air, nitrogen and medical distilled water. The design temperature is greater than or equal to -20°C, and the maximum working temperature is less than or equal to 150°C.

    (2) Fix the pressure vessel. The maximum working pressure is greater than or equal to 0.1MPa, and the product of working pressure and volume is greater than or equal to 2.5MPa. The containing medium is gas, liquefied gas and liquid whose maximum working temperature is higher than or equal to its standard boiling point. Stationary containers with a volume greater than or equal to 30L and an inner diameter (non-circular section refers to the maximum geometric dimension of the inner boundary of the section) greater than or equal to 150mm.

  2. Ontology definition:

    (1) Simple pressure vessel: the first threaded joint that is threaded to external pipes or devices, the first flange sealing surface of flange connection, the first sealing surface of special connectors or pipe fittings; simple pressure vessel The pressure cover of the opening part and its fasteners; the welded joint connecting the non-pressure component to the simple pressure vessel body; safety accessories such as safety valves, bursting discs (caps), pressure gauges, water level gauges, and temperature measuring instruments used .

    (2) Fixed pressure vessel: the bevel surface of the first circumferential welded joint welded to external pipes or devices, the first threaded joint end face of threaded connection, the first flange sealing surface of flanged connection, special Connectors or the key first sealing surface: the pressure-bearing cover of the opening part of the pressure vessel and its fasteners, the connection weld between the non-pressure component and the pressure vessel.

  3. Materials:

    (1) Simple pressure vessel: Killed steel that is supplied as hot rolled or normalized, with carbon content (smelting analysis) = no more than 0.25%, phosphorus and sulfur content no more than 0.045%, and specified value of standard tensile strength at room temperature The lower limit of is less than 540MPa.

    (2) Stationary pressure vessel: the supply status is hot-rolled or normalized killed steel, low-alloy steel plate with the specified lower limit of tensile strength less than 540MPa.

  4.  Manufacturing conditions:

    (1) Simple pressure vessel: Killed steel that is supplied as hot rolled or normalized, with carbon content (smelting analysis) = no more than 0.25%, phosphorus and sulfur content no more than 0.045%, and specified value of standard tensile strength at room temperature The lower limit of is less than 540MPa.

    (2) Stationary pressure vessel: the supply status is hot-rolled or normalized killed steel, low-alloy steel plate with the specified lower limit of tensile strength less than 540MPa.

  5. Detection:(1) Simple pressure vessel: at least one unit shall be selected for radiographic inspection for each batch of simple products, and one unit must be selected for radiographic inspection when the daily output is less than one batch. Water pressure test is recommended, and air pressure test can be used for small containers; air pressure test is not recommended for large containers; air pressure test should be carried out under the premise of ensuring safety.

    (2) Stationary pressure vessels: Radiographic testing is required for each. Hydraulic tests, pneumatic tests, and combined air-hydraulic pressures can be used.

Sollant Group-Professional Compressed Gas Solutions Provider

 

 

Request a Quick Quote Now

  • © Copyright 2021 Sollant. All right reserved.

  • Subscribe to Our Blog

    We will never rent or sell your email to anyone.
  • How to do my business well ?

    • Market situation
    • Technology configuration
    • Strike Price
    • exclusive agency
    • Import and export assistance
    • More…

    Contact Us Now