Paip PE lama menunjukkan sedikit kebocoran air, bagaimana untuk menampalnya dengan berkesan.

2025-08-18

Dalam bidang bekalan air dan saliran bangunan, kejuruteraan perbandaran dan pengairan pertanian, paip PE telah digunakan secara meluas kerana rintangan kakisan, fleksibiliti dan ciri-ciri lain. Walau bagaimanapun, dengan peningkatan hayat perkhidmatan, paip PE lama mungkin mengalami kebocoran air kecil akibat penuaan bahan, tekanan luaran atau kerosakan kecil. Jika tidak ditangani tepat pada masanya, ia bukan sahaja akan menyebabkan pembaziran air, tetapi juga boleh menyebabkan kerosakan paip yang lebih serius. Berikut adalah pengenalan kepada kaedah pembaikan yang berkesan untuk paip PE lama dengan kebocoran air kecil.

Pertama sekali, anda perlu bersedia sepenuhnya sebelum melakukan sebarang kerja pembaikan. Tugas utama adalah untuk menutup injap di hulu titik kebocoran, memastikan bekalan air di kawasan paip dibaiki, dan air sisa dalam paip akan dikosongkan untuk mengekalkan persekitaran kerja yang kering. Selepas itu, berhati-hati membersihkan permukaan paip di sekeliling titik kebocoran air, gunakan kain buruk atau kertas pasir untuk mengeluarkan minyak, karat, tanah dan lapisan oksida yang longgar, supaya permukaan paip bersih dan kasar, yang boleh meningkatkan daya pengikatan antara bahan pembaikan dan paip dengan berkesan. Pada masa yang sama, tandakan lokasi kebocoran air yang tepat supaya operasi tampalan seterusnya lebih tepat.

Untuk kebocoran air kecil dari paip PE lama, kaedah tampalan tali pinggang tampalan getah (atau kad getah) adalah pilihan yang mudah dikendalikan dan boleh dipercayai. Gunakan tali tampalan getah yang sepadan dengan diameter paip, dan bahagian dalamnya biasanya mempunyai kelikatan atau boleh dipasang dengan peranti pengikat. Bungkus tali pinggang tampalan dengan ketat di sekeliling tempat kebocoran air untuk memastikan liputan lengkap kawasan sekurang-kurangnya 5 cm di sekelilingnya. Jika tali tampalan dengan pengapit logam digunakan, bolt pada pengapit perlu diketatkan sama rata dengan sepana untuk membuat tali pinggang getah muat ketat pada permukaan saluran paip untuk membentuk pengedap yang berkesan. Kaedah ini sesuai untuk sistem saluran paip dengan tekanan rendah dan boleh menghentikan kebocoran air dengan cepat.

Kaedah lain yang biasa digunakan ialah kaedah tampalan pita kalis air pelekat sendiri. Pita ini biasanya diperbuat daripada getah butil atau bahan elastik berprestasi tinggi lain dan mempunyai sifat pelekat dan kalis air yang sangat baik. Pada permukaan paip yang bersih dan kering, bermula dari satu sisi tempat kebocoran air, bungkus pita dengan ketat dalam cara separuh pusingan. Apabila membungkus, anda perlu menggunakan daya tarikan tertentu untuk memastikan tiada gelembung udara dan tiada lipatan antara pita dan paip dan lapisan pita. Bilangan lapisan pembalut disyorkan untuk tidak kurang daripada 3-5 lapisan. Akhir lapisan terakhir boleh diikat dengan pita itu sendiri atau diikat dengan tali untuk memastikan keteguhan pembaikan. Selepas

dibaiki, jangan pulihkan bekalan air dengan segera. Mula-mula semak sama ada tapak pembaikan dipasang dengan kukuh dan pengedap adalah ketat. Selepas pengesahan, buka injap perlahan-lahan dan perhatikan sama ada terdapat kebocoran di tempat pembaikan. Pada peringkat awal selepas penghidratan, anda perlu memberi perhatian berterusan untuk memastikan kesan pembaikan adalah stabil. Pada masa yang sama, penjagaan harus diambil untuk mengelakkan paip yang dibaiki daripada terhentak atau tertekan dengan kuat untuk mengelakkan lapisan pembaikan tertanggal atau paip rosak lagi.

Perlu diingat bahawa kaedah di atas digunakan terutamanya untuk kebocoran air paip yang kecil dan setempat. Jika kebocoran air paip lebih serius, seperti kerosakan kawasan besar, retak panjang atau ketebalan dinding paip yang menipis dengan teruk, adalah disyorkan untuk menghubungi kakitangan penyelenggaraan paip profesional untuk penilaian tepat pada masanya, dan mempertimbangkan penggantian paip jika perlu untuk memastikan operasi sistem paip yang selamat jangka panjang. Pembaikan yang tepat pada masanya dan berkesan bukan sahaja dapat menjimatkan kos penyelenggaraan, tetapi juga mengelakkan beberapa siri bahaya keselamatan yang timbul daripada kebocoran air


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