Mitsubishi Heavy Industries Limited

Kentaro Saeki

Keita Inoue

Yasunori Terabe

Yuji Nakagawa

A fireproof structure protects water pipes with stable durability even in a high temperature gas environment. Even in a case where it falls off, it does not leave the water pipes suddenly exposed. The fireproof structure for protecting water pipesB installed on water pipe walls of a combustion gas side is configured by a double-layered structure made up of an outer layer water pipe protective structure facing towards the combustion gas side, which is fireproof tile, and an inner layer water pipe protective structure provided between the outer layer water pipe protective structure and the water pipes, which is fireproof castable. The thickness ratio between the castableand the tileslies within the range of about 2:1 to 3:1, and the ratio between the thickness of the fireproof castable and the radius of the water pipe is set to 1+&#x3b1;:1, wherein the value of &#x3b1; ranges from approximately 0.1 to 0.3. The water pipes are equipped with hanging hooksfor tiles

Fireproof structure and installation method for protecting water pipes

An installation for protecting water pipes is easily installed, even in areas of a water pipe wall where bends exist, can be inexpensively manufactured, and delivers stable longevity in high temperature environments. A refractory castable process embeds refractory castablein concave areas between adjacent water pipes, at least in bend areaswhere the pipes bend, to create an approximately flat surface on the water pipe wallthat faces the high temperature side. A refractory tile process installs approximately flat-shaped refractory tilesover the surface of the embedded refractory castableThis refractory tile process for the refractory tileincludes a process to insert fastening memberspreviously installed on the foregoing water pipeinto a groove formed in the refractory tilesto hold the tiles in place and a process to bind the refractory tilesto the embedded refractory castable with an adhesive material.

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Yokohama, Japan

Kentaro Saeki