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< Explosionsschutz – warum eigentlich?
When combustible dusts or gases meet up with oxygen and ignition sources in a facility, the worst case could be an explosion; followed by annihilating energies that are released, with devastating impacts. When taking explosion protection from a professional and legal view into account, the following aspects must be placed in the foreground:
In reference to the German Ordinance on Industrial Safety and Health, legislative authorities have specified that facility operators, based on a risk assessment, must create a so-called explosion protection document. If determined within the context of the risk assessment that the facility is explosion-prone, provisions must be derived, which securely prevent explosions or reduce the impacts of an explosion to a minimum.
Should the incidence of potentially explosive atmospheres not be adequately and securely ruled out, the protection principle of “avoidance of ignition sources” is instated; particularly for facilities endangered by gas explosion risk. Nevertheless, this protective principle can generally be implemented in dust-producing facilities as well; this is where (due to the tendency of spontaneous self-ignition) increased protective measures, such as explosion venting in connection with explosion decoupling is to be applied. With these types of measures, the impacts of an explosion are reduced to a non-hazardous scale and allow commencing operations in a timely manner.
This is where the REMBE® Explosion Protection Engineers tie in. They have developed a protective systems capable of significantly contributing to explosion safety. The planning of compatible products always takes place in compliance with every legal requirement and is then manufactured for the respective facility.
As the inventor of flameless explosion venting, REMBE®, and its 3rd generation of the Q-Rohr®-3, is the bespoken market leader in this segment. The advantage of this technology: installation in indoor facilities, in turn, cost-intensive installations of venting ducts are no longer required. Flame gases, occurring during an explosion and capable of reaching temperatures of up to 1500° C (2,732° F) , are extremely cooled down through an energy transfer taking place in the flame trap. Thus, emergent gas volumes are reduced and the flames extinguished. At the same time, an increase of pressure that is typical during an explosion as well as the noise pollution is reduced to a barely perceivable level. In connection with explosion decoupling by means of an EXKOP®II Electronic and QV II quench valve, an explosion is prevented from propagating to up-or downstream equipment and thus, the situation safely mastered.
Independent of the respectively applied principle of protection, it should essentially be observed that all equipment located in explosion-risk areas are to be treated as so-called “facilities requiring inspection”. This means that these facilities should always be inspected by either a qualified person or an authorized inspection agency before taking them into operation as well in regular intervals. In these cases, it has to be verified that the explosion protection concept itself, as described in the explosion protection documentation, is coherent and whether the deployed equipment (e.g. motors) as well as the autonomous protection systems (e.g. bursting discs) are suitable for application, and if these are approved by a designated authority according to the ATEX 114 (94/9/EC).
Get more information at www.rembe.com
17.11.2011 13:44 Il y a: 2 yrs
Categorie: englisch
Categorie: englisch
Explosion Protection – The Whys and Wherefores
Nowadays, the dimensions of facilities and machines are becoming greater and more complex.When combustible dusts or gases meet up with oxygen and ignition sources in a facility, the worst case could be an explosion; followed by annihilating energies that are released, with devastating impacts. When taking explosion protection from a professional and legal view into account, the following aspects must be placed in the foreground:
In reference to the German Ordinance on Industrial Safety and Health, legislative authorities have specified that facility operators, based on a risk assessment, must create a so-called explosion protection document. If determined within the context of the risk assessment that the facility is explosion-prone, provisions must be derived, which securely prevent explosions or reduce the impacts of an explosion to a minimum.
Should the incidence of potentially explosive atmospheres not be adequately and securely ruled out, the protection principle of “avoidance of ignition sources” is instated; particularly for facilities endangered by gas explosion risk. Nevertheless, this protective principle can generally be implemented in dust-producing facilities as well; this is where (due to the tendency of spontaneous self-ignition) increased protective measures, such as explosion venting in connection with explosion decoupling is to be applied. With these types of measures, the impacts of an explosion are reduced to a non-hazardous scale and allow commencing operations in a timely manner.
This is where the REMBE® Explosion Protection Engineers tie in. They have developed a protective systems capable of significantly contributing to explosion safety. The planning of compatible products always takes place in compliance with every legal requirement and is then manufactured for the respective facility.
As the inventor of flameless explosion venting, REMBE®, and its 3rd generation of the Q-Rohr®-3, is the bespoken market leader in this segment. The advantage of this technology: installation in indoor facilities, in turn, cost-intensive installations of venting ducts are no longer required. Flame gases, occurring during an explosion and capable of reaching temperatures of up to 1500° C (2,732° F) , are extremely cooled down through an energy transfer taking place in the flame trap. Thus, emergent gas volumes are reduced and the flames extinguished. At the same time, an increase of pressure that is typical during an explosion as well as the noise pollution is reduced to a barely perceivable level. In connection with explosion decoupling by means of an EXKOP®II Electronic and QV II quench valve, an explosion is prevented from propagating to up-or downstream equipment and thus, the situation safely mastered.
Independent of the respectively applied principle of protection, it should essentially be observed that all equipment located in explosion-risk areas are to be treated as so-called “facilities requiring inspection”. This means that these facilities should always be inspected by either a qualified person or an authorized inspection agency before taking them into operation as well in regular intervals. In these cases, it has to be verified that the explosion protection concept itself, as described in the explosion protection documentation, is coherent and whether the deployed equipment (e.g. motors) as well as the autonomous protection systems (e.g. bursting discs) are suitable for application, and if these are approved by a designated authority according to the ATEX 114 (94/9/EC).
Get more information at www.rembe.com