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Natural gas leakage detection device and method

A leak detection device, a technology for natural gas, which can solve problems such as explosions by detecting the appearance of fluid at the leak point, using liquid/vacuum for liquid tightness measurement, etc.

Active Publication Date: 2014-02-12
BEIJING HANGXING NETWORKING
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  • Abstract
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  • Claims
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Problems solved by technology

Therefore, the existing sensing sensors are charged, and all of them are charged point monitoring, which may cause explosion

Method used

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  • Natural gas leakage detection device and method
  • Natural gas leakage detection device and method
  • Natural gas leakage detection device and method

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Embodiment Construction

[0040] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention. see figure 1 and figure 2, this embodiment provides a natural gas leakage detection device, including a laser transmitter 2, a laser receiver 3, a structural installation frame 10, and a detection host 7 arranged in a safety control center room, the laser transmitter 2 and the laser receiver The laser transmitters 3 are arranged in one-to-one correspondence, and the laser transmitter 2 and the laser receiver 3 are installed on the edge of the top surface of the natural gas detection area 1 through the structural installation frame 10 . Since the density of natural gas is less than that...

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Abstract

The invention provides a natural gas leakage detection device which comprises a structure installation machine frame, a laser transmitter, a laser receiver and a detection main engine. The laser receiver is correspondingly matched with the laser transmitter, the detection main engine is arranged in a safety control central chamber, the laser transmitter and the laser receiver are both installed on the edge of the top face of the natural gas detection area through the structure installation machine frame, the laser transmitter further comprises a first collimator located on a laser transmitting light path, the laser receiver further comprises a second collimator located on a laser receiving optical path, and the detection main engine comprises a laser excitation module, an optical signal output interface, an optical signal input interface and a spectrum analyzing module. The laser transmitter is connected with the optical signal output interface in the detection main engine through an optical cable, and the laser receiver is connected with the optical signal input interface in the detection main engine through an optical cable.

Description

technical field [0001] The invention relates to the technical field of gas detection, in particular to a natural gas leakage detection device and method. Background technique [0002] LNG is the English abbreviation of liquefied natural gas (liquefied natural gas), the main component is liquefied methane, the volume ratio of its volume to gas methane is about 1:600, but its weight is only about 45% of the same volume of water, so it is widely used in Urban pipeline network, wharf long transportation (storing LNG in super-large LNG gas storage tanks and transporting by sea), etc. At the same time, many petrochemical plants have production rooms dedicated to the production of LNG. Due to the flammable and explosive characteristics of natural gas, it is of great significance to quickly and effectively detect whether there is leakage of natural gas for the development and production of natural gas. Although there are many natural gas detection devices in the prior art, they are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/04
Inventor 张扬李凤捷娄瑞胡馨月胡朝俊
Owner BEIJING HANGXING NETWORKING
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