HEAT EXCHANGER AND FLUE GAS TREATMENT DEVICE

To improve workability of maintenance work of heat transfer pipes and inhibit stop of flue gas treatment in a heat exchanger and a flue gas treatment device.SOLUTION: A heat exchanger includes: a housing; heat transfer pipes disposed in the housing; a first header which is fixed to the housing and to which one end part of the heat transfer pipes is connected; a second header which is fixed to the housing and to which the other end part of the heat transfer pipes is connected; a first access part for access to a connection portion of the heat transfer pipes in the first header from the outside of the first header; and a second access part for access to a connection portion of the heat transfer pipes in the second header from the outside of the second header.SELECTED DRAWING: Figure 8 【課題】熱交換器および排煙処理装置において、伝熱管のメンテナンス作業の作業性の向上を図ると共に排煙処理作業の停止を抑制する。【解決手段】ハウジングと、ハウジングの内部に配置される複数の伝熱管と、ハウジングに固定されて複数の伝熱管の一端部が連結される第１ヘッダと、ハウジングに固定されて複数の伝熱管の他端部が連結される第２ヘッダと、第１ヘッダの外部から第１ヘッダの内部における複数の伝熱管の連結部にアクセスする第１アクセス部と、第２ヘッダの外部から第２ヘッダの内部における複数の伝熱管の連結部にアクセスする第２アクセス部と、を備える。【選択図】図８