System and method for detecting dynamic detonation temperature of combustible dust cloud cluster diffusion

A deflagration temperature, detection system technology, applied in thermometers, thermometers with physical/chemical changes, thermometers with analog-to-digital converters, etc. Reduce havoc, realize real-time dynamic measurement effect

Active Publication Date: 2019-10-01
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Abstract
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Problems solved by technology

[0002] In recent years, accidental combustible dust explosions have occurred frequently, causing serious damage to the surrounding environment, casualties and economic losses

Method used

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  • System and method for detecting dynamic detonation temperature of combustible dust cloud cluster diffusion
  • System and method for detecting dynamic detonation temperature of combustible dust cloud cluster diffusion
  • System and method for detecting dynamic detonation temperature of combustible dust cloud cluster diffusion

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Embodiment Construction

[0032] The present invention will be further elaborated below through specific embodiments in conjunction with the accompanying drawings.

[0033] In this embodiment, the dust spraying device 1 is used to test the ultrasonic-based detection system for the dynamic deflagration temperature of combustible dust cloud diffusion.

[0034] Such as figure 1 As shown, the ultrasonic-based detection system of combustible dust cloud diffusion dynamic deflagration temperature of the present invention includes: dust spraying device 1, dust deflagration temperature sensor 2, temperature conduction sensitive element 3, sensor support 4, integrated processing circuit 5, spraying Device controller 6 and computer 7; wherein, the dust deflagration temperature sensor 2 is fixed on the sensor support 4, the temperature conduction sensitive element 3 is arranged at the front end of the dust deflagration temperature sensor 2, and the temperature conduction sensitive element 2 is located in the dust ...

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Abstract

The invention discloses a system and method for detecting a dynamic detonation temperature of combustible dust cloud cluster diffusion. The system disclosed by the invention adopts a dust detonation temperature sensor, a temperature conduction sensitive element, a sensor supporting component, an integrated processing circuit and a computer; the detonation temperature of combustible dust can be accurately measured in real time, the reconstruction of a temperature field is realized, and the occurrence of accidental explosion of combustible dust is reduced and prevented, thereby reducing the serious damage to the surrounding environment, casualties and economic losses; the nature determination and damage consequence assessment of dust explosion incidents are realized, and the difficulties inengineering measurement are solved; and according to the temperature conduction sensitive element and the propagation speed change of pulse ultrasonic waves therein, a relationship expression betweenthe ultrasonic velocity and the detonation temperature is established, real-time dynamic measurement of the dust diffusion detonation temperature is realized, and the system has an objective application value and research value.

Description

technical field [0001] The invention relates to a dynamic detection technology for dust cloud diffusion, in particular to a pulse ultrasonic-based detection system and a detection method for the dynamic deflagration temperature of combustible dust cloud diffusion. Background technique [0002] In recent years, accidental combustible dust explosions have occurred frequently, causing serious damage to the surrounding environment, casualties and economic losses. The accurate real-time measurement of the deflagration temperature of combustible dust, the reconstruction of the temperature field, the identification of the nature of dust explosion events and the assessment of damage consequences have always been difficult points in engineering measurement. Contents of the invention [0003] Aiming at the problem of measuring the dynamic deflagration temperature of combustible dust cloud cluster diffusion, the present invention proposes a detection system and detection method for t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/54G01K11/26
CPCG01K11/26G01K2219/00G01N25/54
Inventor 娄文忠付胜华李楚宝陈朝辉
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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