Uncompromising Design of The Heat Exchanger Which Contributes to Exhaust Heat Collection of Fossil Fuel Origin

Kadowaki Tetsushi

doi:10.2524/jtappij.74.710

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化石燃料由来の排熱回収による省エネと熱交換器の設計─Air Frohlich Engineering社（スイス）によるエネルギー回生技術─
化石燃料由来の排熱回収による省エネと熱交換器の設計 : Air Frohlich Engineering社(スイス)によるエネルギー回生技術
カセキネンリョウユライノハイネツカイシュウニヨルショウエネトネツコウカンキノセッケイ : Air Frohlich Engineeringシャ(スイス)ニヨルエネルギーカイセイギジュツ
―Energy Recovery Innovation by Air Frohlich Engineering―
─Air Frohlich Engineering社（スイス）によるエネルギー回生技術─

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Abstract

With the continuous increase in energy awareness and the urgently required protection of our environment, the interest in energy recovery with heat exchangers is growing. In this June 2019, the Agency for Natural Resources and Energy of the Ministry of Economy, Trade and Industry published the 2019 Energy White Paper. The Chapter 2 gave a considerable space for the “Global Warming Countermeasures and Energy Policies Based on the Paris Agreement.”Factors noted in this vigorous discussion include the reduction of greenhouse gases （GHG） and the conversion of energy from fossil fuels to renewable energy. The technology that has been proposed by ITOCHU Machine-Technos Corp for these directions is a highly efficient energy recovery system using boiler exhaust gas as a heat source.This paper introduces countermeasures against heat exchanger corrosion by sulfuric acid H₂SO₄, which is an obstacle to the utilization of fossil fuel-derived exhaust gas, and energy cost reduction effects by converting the recovered heat amount into CO₂ reduction amount/fuel consumption amount, based on designs and application examples of feedwater preheaters （acid-resistant heat exchangers） that enable low-temperature exhaust heat recovery from boilers by Air Frohlich Engineering Corporation.

Journal

JAPAN TAPPI JOURNAL

JAPAN TAPPI JOURNAL 74 (7), 710-714, 2020

JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY

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