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Research on Control Section of 20L Multifunction Spherical Explosion Test Apparatus for Gas (Liquid Steam) and Dust

Author: WuWei
Tutor: HuShuangQi
School: University of North
Course: Safety Technology and Engineering
Keywords: Explosion Characteristics Experimental device The control section
CLC: X932
Type: Master's thesis
Year: 2011
Downloads: 55
Quote: 0
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Abstract


The explosion is one of the major accident against the personal and property safety of today's society , an effective way to prevent such accidents research principles and characteristics of the explosion , in order to develop appropriate prevention measures , and to carry out the above work , you first need to establish a set of test explosion characteristics device . This article by the explosive reaction mechanism and related experimental learning , study design 20L the spherical gas ( liquid vapor ) , dust the multifunction explosion experiment device control part and the control part of the composition of the device selection and calculation to based design control procedures , including the following : ( 1 ) the use of the heat transfer theory , design an air heating tank heating , and air intake manifold through a comparative analysis of the various heating choose to use electric heating tape and mineral wool as heating and insulation device into the trachea Road and explosive container with insulation , ensure that the liquid vaporization of the state is always in the vapor during the experiment . (2) through the learning of the working principle of the thermostatic control , it is determined using the sensor to achieve the constant temperature control , and temperature controller and relays to control the heating means switching so that the temperature maintained within the temperature range required in the course of the experiment . ( 3 ) were installed in the gas chamber and explosive containment vessel pressure transmitter feedback pressure change signal at one end with a pressure meter displayed , the other end of the input PLC, the PLC 's digital - to - analog conversion and regulation functions on reservoir pressure control of the gas chamber and the explosion vessel . (4) by learning the basic knowledge of PLC and Ladder editor , on the steps of the experimental device programming automation and intelligent control system . ( 5) Select three different types of combustibles basic experiments to verify the feasibility of the design .

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CLC: > Environmental science, safety science > Safety Science > Safety Engineering > Explosion safety and fire and explosion
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