Nuclear power plant safety system - Essay Example

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Nuclear power plant safety system

In case nuclear reaction in the reactors is needed to be stopped urgently (as in the case of an accident) safety injection system can be used to bring the reaction to a halt. This is usually done by injecting a fluid (liquid) directly into the core of the reactor that usually absorbs the neutrons (INSAG, p 25). Basically, for boiling water nuclear reactors, the injecting liquid is usually a boron based solution, for instance, boric acid. The boric acid (or any other boron associated liquid) is injected so as to displace water that is in the reactor core. It is, however, important to mention that this safety system is usually used in addition to the control rods. A combination of the safety system (safety injection system and control rod) increase concentration thereby stopping or slowing down the nuclear reaction. The question that might be lingering in the mind of the reader is how control rod system works and how can it be used to control nuclear reaction. Basically, control rods serve a variety of purposes in the nuclear reaction such as controlling the rate of nuclear reaction as well as stopping the nuclear reaction. As safety devices in nuclear power plants, they are inserted into the cores of nuclear power plants reactors to absorb neutrons, thereby bringing the nuclear reaction to a halt (INSAG, p 25). Control rods are usually made of elements (chemical elements) that have the capability of absorbing as many neutrons as possible without themselves being fissioned (disintegrated). ...Show more


This essay entitled "Nuclear power plant safety system" concerns the systems developed for the safety of nuclear power plants. Reportedly, nuclear power plants have been and are still considered as being extremely dangerous to use as sources of energy. …
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