成果報告書詳細
管理番号20120000000599
タイトル*平成22年度中間年報 最先端PG(Mega-ton Water System) 低コスト・高耐久性配管(H22~H23)
公開日2012/9/22
報告書年度2010 - 2010
委託先名積水化学工業株式会社
プロジェクト番号P09025
部署名環境部
和文要約和文要約等以下本編抜粋:
1. 研究開発の内容及び成果等
本テーマにおける配管は、内面に耐薬品性及び止水性能を向上させることを目的に
熱可塑性樹脂を配置し、その外面をFW(フィラメントワインディング)成形により熱硬化性樹脂と強化材で補強する構造をとった。
a.材料設計(外面補強層設計)
熱硬化性樹脂・補強材の基本物性評価( 引張強度・引張弾性率・せん断弾性率測定)をJIS K 7054 JIS K 7021 に基づいて行った。
ガラスについては通常のE ガラスの他に高強度ガラスについても評価を行った。
a-1.ガラス系
表1.ロービング/クロス/マット?不飽和ポリエステル樹脂の基本物性
a-2.カーボン系
表2.ロービング/クロス?エポキシ樹脂(常温硬化系)の基本物性
上記物性値を使用しCAE を用いてパイプ・フランジの製品設計を行った。
英文要約Stainless tube is often used for high-pressure piping under desalination plant which uses reverse osmosis membrane. Corrosion and complicated workability are issues when jointing stainless pipes by welding. On the other hand, resin pipes are used in water supply and sewerage system that have high corrosion performance, but does not have the intensity to use for high pressure circumstances.The goal of this theme is to offer resin pipes which could be used under high pressure circumstances for an affordable price. Pipes are made by FW (filament winding) method. Inner layer is set with thermoplastic resin that have both waterproof and anti-corrosion performance and outer layer with glass fiber or carbon fiber reinforced with thermosetting resin.We started off by evaluating basic property to design layering strategy of the reinforced outer layer. Concerning its price, we mainly evaluated glass fiber, and carbon fiber as comparison. The layering angle and number were decided form the conclusion gained from basic property using CAE. 300A 75A pipes and 300A flange were conducted as a test production. As for 75A pipe, we calculated the amount of strain and the angle of maximum principal strain under strain measurement in high pressure load and compared it to CAE.From the result gained from the evaluation, we are recently in the process of tensile creep testing. Furthermore, we evaluted on pipe and flange jointing. By evaluating on adhesive material and layering structure of adherend, we were able to invent a structure which could prevent the joint from slipping out. In the future, we will be evaluating on pipe and flange as a system and expand the development to other joints.
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