In the broad sense, a cooler is a type of heat exchanger that is used specifically to cool the substance being handled. It is often used for gases or liquids, but some are used for solids. If the main purpose is to recover heat, it is rarely called a heat recovery device or economizer. Also, a cooler that is used for condensation is called a condenser, and is often handled differently from general coolers. For types of coolers for fluids, see the "Heat Exchanger" section. For solids, the type of cooler varies depending on the shape of the solid. For example, continuous sheet materials are wound up in the process, while powdered and granular materials are transported on a rotating cylinder or belt conveyor while being exposed to cold water or air. [Yuji Kawamura] [Reference item] | |Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
広義としては熱交換器に属し、とくに取り扱う物質の冷却を目的として用いられる装置を冷却器とよんでいる。気体または液体を対象にしていることが多いが、固体を対象にしている場合も含まれている。熱回収をおもな目的としている場合、熱回収装置あるいはエコノマイザーなどとよばれることも少ない。また、凝縮を目的とする冷却器は凝縮器とよばれ、一般の冷却器と区別して取り扱われることが多い。 流体を対象とする冷却器の形式は、「熱交換器」の項を参照のこと。固体を対象とする場合はその形状によって異なる。たとえば、連続シート状材料に対しては巻き取る過程で、粉粒体材料に対しては回転円筒またはベルトコンベヤーで移送しつつ、冷水または冷気と接触させるなどの方法がとられる。 [河村祐治] [参照項目] | |出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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