آیا لوله پلی اتیلن می تواند در برابر اسید سولفوریک مقاومت کند ؟-نماینده عمومی خط لوله Hubei AD - لوله راه راه دو جداره AD HDPE

آیا لوله پلی اتیلن می تواند در برابر اسید سولفوریک مقاومت کند ؟

2025-08-19

در زمینه تولید صنعتی و حمل و نقل شیمیایی ، اسید سولفوریک ، به عنوان یک محیط خورنده قوی رایج ، تقاضای بسیار بالایی را برای مقاومت به خوردگی مواد خط لوله ایجاد می کند. لوله پلی اتیلن (لوله پلی اتیلن) به دلیل پایداری شیمیایی عالی و عملکرد هزینه ، اغلب در سناریوهای مختلف حمل و نقل سیال استفاده می شود. با این حال ، اینکه آیا لوله پلی اتیلن می تواند در برابر خوردگی اسید سولفوریک مقاومت کند یا خیر ، نیاز به تجزیه و تحلیل جامع غلظت اسید سولفوریک ، دما و ویژگی های مواد پلی اتیلن دارد. مواد

PE خود دارای بی اثری شیمیایی خوبی هستند ، ساختار مولکولی آن پایدار است و مقاومت در برابر خوردگی قوی در برابر اکثر محلول های اسیدی ، قلیایی و نمکی در دمای اتاق نشان می دهد. اما خورندگی اسید سولفوریک ارتباط نزدیکی با غلظت آن دارد: برای اسید سولفوریک غلیظ با غلظت بالاتر (معمولاً به بیش از 98 ٪ اشاره دارد) ، در شرایط دمایی معمولی ، لوله پلی اتیلن مقاومت خاصی در برابر خوردگی دارد ، زیرا خاصیت اکسید کننده قوی آن تشکیل می شود. فیلم غیرفعال سازی روی سطح پلی اتیلن ، روند خوردگی را کند می کند. با این حال ، برای اسید سولفوریک رقیق یا افزایش دما ، مقاومت به خوردگی لوله پلی اتیلن به میزان قابل توجهی کاهش می یابد و نفوذ یون های هیدروژن ممکن است باعث پیری مواد ، ترک خوردگی و تأثیر بر عمر مفید خط لوله شود.

در کاربردهای عملی ، هنگام انتخاب لوله پلی اتیلن برای انتقال اسید سولفوریک ، لازم است غلظت ، دما و شرایط عملیاتی اسید سولفوریک روشن شود. توصیه می شود برای پشتیبانی فنی به جدول داده های مقاومت در برابر خوردگی مواد حرفه ای مراجعه کنید یا با سازنده مشورت کنید. به عنوان یک تولید کننده لوله حرفه ای ، لوله پلی اتیلن آن مطابق با استانداردهای ملی تولید می شود. پارامترهای دقیق مقاومت در برابر خوردگی شیمیایی در دفترچه راهنمای محصول ارائه می شود تا به کاربران کمک کند تا نوع را به طور منطقی با توجه به شرایط کاری خاص انتخاب کنند تا از عملکرد ایمن و پایدار سیستم اطمینان حاصل کنند.

به طور خلاصه ، مقاومت به خوردگی لوله پلی اتیلن در برابر اسید سولفوریک مطلق نیست و نیاز به ارزیابی علمی با توجه به شرایط واقعی کار دارد. در فرآیند انتخاب ، عوامل کلیدی مانند غلظت و دما به طور کامل در نظر گرفته می شود و می توان از پشتیبانی فنی برندهای معمولی مانند AD Pipe برای دستیابی به ایمنی و کارایی حمل و نقل اسید سولفوریک استفاده کرد.

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