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Layered liquified natural gas, and alarm device for detecting vortex

A technology for monitoring and alarming devices and liquefied natural gas, which is applied to measurement devices, alarms, analysis materials, etc., can solve the problems of no LNG stratification and vortex monitoring devices, etc., and achieve good self-learning ability, fast operation speed, and enhanced reliability. sexual effect

Inactive Publication Date: 2011-01-19
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are no reports on LNG vortex fractal and convective chaos, and there is no monitoring device for LNG stratification and vortex

Method used

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  • Layered liquified natural gas, and alarm device for detecting vortex
  • Layered liquified natural gas, and alarm device for detecting vortex
  • Layered liquified natural gas, and alarm device for detecting vortex

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Embodiment Construction

[0026] In order to better understand the present invention, the present invention will be further described below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0027] Such as figure 1 with 2 As shown, the liquefied natural gas stratification and vortex monitoring alarm device of the present invention includes a signal detector 1, a computer 2, a stratification and vortex database and management system 3, a signal process transmission module 4, and a stratification and vortex alarm controller 5. Refer to the mode module 7 and the alarm device 8; the computer 2 has a hierarchical and vortex database and management system 3, and the hierarchical and vortex database and management system 3 processes the signal change history received from the signal detector 1 Then the signal process transfer module 4 is passed to the hierarchical and vortex alarm controller 5, and the hierarchical and vortex alarm controller 5 c...

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Abstract

The invention discloses a liquid natural gas layering and vortex monitoring alarming device that includes signal detector, computer, layering, and vortex data base and managing system, signal transmitting module, layering and vortex alarming controller, reference module and alarming device. The invention would fully reflect the alteration process of LNG state parameter. The LNG layering and vortex situation judgment and pre-alarming accuracy rate feedback to database and management system. The artificial neural net technology would learn the data itself to correct the sample collection and judging rule and perfect the reference module. The device has self-learning function that would make the LNG layering and vortex pre-alarming have accuracy and in time.

Description

Technical field [0001] The invention belongs to the field of monitoring and alarm devices, and in particular relates to a liquefied natural gas (LNG) stratification and vortex monitoring and alarm device. Background technique [0002] Liquefying natural gas will reduce its volume to 1 / 625 of its original volume, which is conducive to storage and transportation. Therefore, liquefied natural gas (LNG) has become an important method of natural gas storage and transportation. my country has planned to establish LNG receiving stations in Guangdong, Fujian, Zhejiang and other places. However, in the process of LNG storage and transportation, there are safety problems such as vortex vibration, leakage diffusion, explosive combustion and so on. The research on LNG safety involves multiple disciplines such as engineering thermophysics, refrigeration technology, safety engineering, nonlinear dynamic systems, non-equilibrium thermodynamics, artificial intelligence, etc. Therefore, it is ne...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N35/00G01N33/00G08B21/00
Inventor 马晓茜王晶晶郎芳
Owner SOUTH CHINA UNIV OF TECH
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