JPS59148903U - Heat exchanger tubes for waste heat boilers that use dust-rich gas - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図および第２図は従来の廃熱ボイラの伝熱管の断面
図、第３図ａおよび第４図ａは本考案の実施例の廃熱ボ
イラの伝熱管の断面図、第３図すおよび第４図すはそれ
ぞれの■−■線および■−■線矢視図、第５図は廃ガス
中のダスト量と単位伝熱面当りのダスト付着量および熱
伝達率の関係を示すグラフ、第６図は異なる実施例の正
面図を示す。Figures 1 and 2 are cross-sectional views of heat exchanger tubes in a conventional waste heat boiler; Figures 3a and 4a are cross-sectional views of heat exchanger tubes in a waste heat boiler according to an embodiment of the present invention; Figure 4 is a graph showing the relationship between the amount of dust in the exhaust gas, the amount of dust attached per unit heat transfer surface, and the heat transfer coefficient. , FIG. 6 shows a front view of a different embodiment.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 多含塵ガスを用いる廃熱ボイラ内に廃ガスの流過方向に
直交して配置された伝熱管において、その伝熱管の外面
に廃ガス中のダストの付着率を減少させるため、廃ガス
の流過方向に平行な適数個の平板を、少なくとも伝熱管
の側方に張り出して取付けたことを特徴とする多含塵ガ
スを用いる廃熱ボイラの伝熱管。In a heat exchanger tube arranged perpendicular to the flow direction of the waste gas in a waste heat boiler that uses dust-rich gas, in order to reduce the adhesion rate of dust in the waste gas to the outer surface of the heat exchanger tube, A heat exchanger tube for a waste heat boiler using dust-rich gas, characterized in that an appropriate number of flat plates parallel to the flow direction are attached so as to protrude at least to the sides of the heat exchanger tube.