Improved liquid gas sample vaporizer conditioning system and method

By adopting a multi-path design and intelligent control system in the liquefied natural gas sample evaporation system, the problems of steam feedforward, temperature and pressure inequality are solved, and the accurate evaporation of samples and the reliability of analysis results are achieved.

JP7674531B2Active Publication Date: 2025-05-09MUSTANG SAMPLING LLC
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Patent Information

Application Number
JP2023578038
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2022-03-07
Filing Date
2022-11-18
Publication Date
2025-05-09
Estimated Expiration
2042-11-18

AI Technical Summary

Technical Problem

The evaporation system of existing liquefied natural gas (LNG) samples has problems such as steam feedforward, uneven temperature and pressure, uneven flow and pressure drop during sample preparation and analysis, resulting in inaccurate analysis results and equipment damage.

Method used

Using an improved liquid sample evaporator and regulation system, including sample input, evaporator, accumulation tank and heating compression regulator, through a multi-path design and intelligent control system, ensures that the sample maintains the appropriate temperature and pressure during evaporation, prevents sample separation and condensation, and provides redundant paths to ensure continuous operation of the system.

Benefits of technology

It effectively prevents the separation and condensation of liquid samples during evaporation, ensures sample integrity and accuracy of analysis results, extends the service life of the heating device, and simplifies the maintenance and replacement process.

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Abstract

An improved liquid vaporization and conditioning system, and related methods, for efficiently vaporizing liquid samples to accurately determine constituents providing improved flow, pressure and thermal control, the improvements including a combination of an improved modular thermal vaporizer enclosure with a resistance temperature detector, a swept bend, an in-line thermal cut-off, a flow buffer input manifold, an improved multi-pass heater vaporizer design with four heater units, a vaporizer output mixing manifold, and control elements that provide the capability for partial shutdown if there is a risk of overheating or flow anomalies without the risk of flow loss / volume capacity exceeding an acceptable threshold.
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Citation Information

Patent Citations

  • Split type vacuum-insulation sampling device for low-temperature liquefied natural gas

    CN106989271A

  • Steam generator for use in corrosion test device, has heat pipe attached to core that is made from heat-conducting material, and electrical heating element arranged in core, and temperature sensor axially arranged in core

    DE102008046471A1

  • Liquid vaporization device and method

    JP2022500664A

  • Liquid Gas Vaporization and Measurement System and Method

    US20090151427A1