Research On The Influences Of Bursting Panels Key Parameters For Explosion Venting

Generally speaking,in normal industrial production processes,especially nonferrous metal processing,wood processing,food and feed processing such as typical engineering of large amounts of combustible dust exists,inhibition of relevant combustible dust explosion hazard,these productions should be used some related technology to achieve explosive damage occurs to minimize loss rate,and these ways are also the most important thing to achieve the safety production requirement.In order to effectively to reduce the reliable and high-speed response of the relevant safety protection components when the explosion occurs,and reduce the industrial application cost;Bursting panels,a passive protective component which aims to protect the main engineering equipment,production plant and other facility structures from damage and releases high temperature and high pressure substances generated by explosions into unmanned areas as a key technical means,has become a mainstream safety prevention and control measure widely recognized.In bursting panels make better effects on reducing explosion hazards at the same time,need to notice : blasting board in the production of the main shape,size and mechanical properties of explosive discharge effect is no inductive research results,the influence of the evaluation of the effects of explosive discharge mainly uses the ideal formula for speculation,or directly with static measure the actual effect of over pressure control opening pressure,lack of practical conclusions to confirm.Therefore,a thin plate problem solving method based on the theory of elastoplastic mechanics is proposed.Specific dynamic response characteristics of the bursting panels when facing the explosion load are proposed.Key parameters of the form controlling the specific discharge effect of the bursting panels are summarized,and the dual verification of simulation calculation and experimental conclusions is given.Using the ABAQUS solution platform as the ocher,the bursting panel form was numerically transformed into a mapping set controlled by three parameters,namely,plate thickness,sealing beam width and sealing beam distribution mode,under the two general dimensions of the discharge area and configuration.Based on this information,the simulation calculation model of the bursting panel was built on the basis of the design idea of the orthogonal model.At the same time,the explosion load measurement test rig was built,and the final simulation conclusion was obtained with the actual load as the calculated load.Based on this,the prediction of the influence of various parameters on the explosion discharge effect of multi-dimensional was proposed.Lab VIEW environment was used as the compilation platform,the high-frequency multi-channel digital and analog communication module was built and set up accordingly,and various physical quantity record devices such as high-frequency pressure sensor,high-speed strain bridge,high-speed camera and infrared temperature recorder were integrated to build the bursting panel discharge effect experiment platform.Taking pressure control ability,flame temperature field control ability and bursting panel opening response speed as the evaluation core,the bursting panel releasing ability evaluation system was constructed.On this basis,based on the stress and strain experimental results,the qualitative evaluation of the impact on the releasing ability of the bursting panel is put forward according to the key parameters of the bursting panel.On the basis of the above conclusions,the orthogonalization method is still taken as the core,and according to the influence degree and horizontal influence range as the index,the significance and difference of the influence of various factors on the releasing ability of the bursting panel are put forward,and the general conclusion about the influence of the key parameters of the bursting panel on its releasing effect is put forward.Finally,the general form of the key parameters of the bursting panel and the action method of the discharge capacity is summarized.There are 76 figures,38 tables and 154 references in this thesis.