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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, applied in measuring devices, alarms, analysis materials, etc., can solve the problems of LNG stratification and vortex monitoring devices, etc., achieve good self-learning ability, short response time, and high operating speed fast effect

Inactive Publication Date: 2006-12-06
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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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 LNG stratification and vortex monitoring and 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 layered and vortex database and a management system 3, and the layered and vortex database and the management system 3 process the signal change history received from the signal detector 1 Afterwards, pass the signal process transfer module 4 to the stratification and vortex alarm controller 5, and the stratification and vortex alarm controller 5 will compa...

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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 alarming devices, in particular to a liquefied natural gas (LNG) stratification and vortex monitoring and alarming device. Background technique [0002] When natural gas is liquefied, its volume will be reduced to 1 / 625 of its original size, which is beneficial for storage and transportation. Therefore, liquefied natural gas (LNG) has become an important way 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 and diffusion, and explosion and combustion. The research on the safety of LNG involves engineering thermophysics, refrigeration technology, safety engineering, nonlinear dynamic system, non-equilibrium thermodynamics, artificial intelligence and other disciplines. Therefore, it i...

Claims

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Application Information

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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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