[{"data":1,"prerenderedAt":253},["ShallowReactive",2],{"post-frp-grating-in-pulp-and-paper-mills":3},{"_path":4,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":8,"description":9,"slug":10,"locale":11,"date":12,"author":13,"cover":14,"body":15,"_type":247,"_id":248,"_source":249,"_file":250,"_stem":251,"_extension":252},"\u002Fblog\u002Ffrp-grating-in-pulp-and-paper-mills.id","blog",false,"","Mengapa Pabrik Pulp dan Kertas Menentukan Grating FRP untuk Layanan Basah dan Kimia","Pabrik pulp dan kertas secara konsisten dinilai di antara lingkungan layanan kimia paling agresif di industri berat. Proses kraft saja mengedarkan liquor putih (NaOH + Na₂S pada pH 13+), liquor hijau, dan liquor hitam melalui setiap bagian dari siklus pemulihan. Pabrik pemutih menambahkan klorin dioksida, peroksida, dan ozon ke daftar itu. Permukaan berjalan di sekitar peralatan ini harus bertahan dari percikan kimia terus-menerus, kelembapan tinggi, dan suhu operasi yang secara rutin melebihi 70 °C di area digester.","frp-grating-in-pulp-and-paper-mills","id","2024-12-05","Endura FRP Team","\u002Fimages\u002Fblog\u002Ffrp-grating-in-pulp-and-paper-mills.svg",{"type":16,"children":17,"toc":238},"root",[18,25,30,37,42,47,53,58,63,68,74,130,136,153,158,168,174,227,233],{"type":19,"tag":20,"props":21,"children":22},"element","p",{},[23],{"type":24,"value":9},"text",{"type":19,"tag":20,"props":26,"children":27},{},[28],{"type":24,"value":29},"Ini adalah lingkungan yang FRP dirancang untuknya. Ini juga di mana FRP memberikan keuntungan biaya siklus hidup yang paling satu sisi.",{"type":19,"tag":31,"props":32,"children":34},"h2",{"id":33},"perangkap-baja-tahan-karat",[35],{"type":24,"value":36},"Perangkap Baja Tahan Karat",{"type":19,"tag":20,"props":38,"children":39},{},[40],{"type":24,"value":41},"Selama beberapa dekade, spesifikasi konservatif adalah grating baja tahan karat 316L. Ia bekerja — sampai tidak bekerja. Dalam layanan pabrik pemutih, 316L menunjukkan serangan celah dan pitting yang terukur dalam 5-8 tahun, terutama di sekitar palang silang las yang digunakan produsen grating. Di area digester dan pencucian brown stock, retak korosi tegangan klorida adalah mode kegagalan yang terdokumentasi pada koneksi braket.",{"type":19,"tag":20,"props":43,"children":44},{},[45],{"type":24,"value":46},"Penggantian adalah bagian yang mahal. Grating baja tahan karat berharga 3-4× FRP setara, berat kira-kira 3×, dan pemasangan di pabrik yang beroperasi biasanya memerlukan koordinasi shutdown. Apa pun yang Anda hemat dengan menggunakan material \"premium\" Anda bayar kembali ketika penggantian terjadi.",{"type":19,"tag":31,"props":48,"children":50},{"id":49},"apa-yang-vinyl-ester-frp-sebenarnya-lakukan-di-sini",[51],{"type":24,"value":52},"Apa yang Vinyl-ester FRP Sebenarnya Lakukan di Sini",{"type":19,"tag":20,"props":54,"children":55},{},[56],{"type":24,"value":57},"Sebuah panel grating FRP vinyl ester yang diproduksi dengan benar — diuji ke ASTM C581 dalam liquor putih, liquor hitam, dan ClO₂ pada suhu layanan — memberikan masa pakai yang melebihi 20 tahun dalam layanan pabrik pulp dengan pemeliharaan yang dapat diabaikan.",{"type":19,"tag":20,"props":59,"children":60},{},[61],{"type":24,"value":62},"Angka itu tidak aspiratif. Angka itu telah didemonstrasikan di beberapa pabrik Amerika Utara sejak 1990-an dan menjadi dasar spesifikasi walkway saat ini dari sebagian besar pabrik besar.",{"type":19,"tag":20,"props":64,"children":65},{},[66],{"type":24,"value":67},"Keuntungan lainnya adalah pemasangan. Panel FRP pultruded 38 mm dengan berat kira-kira 12 kg\u002Fm² adalah angkat satu atau dua orang. Grating baja galvanis setara adalah angkat 35-40 kg\u002Fm² yang membutuhkan dua orang dan rencana untuk mendapatkannya ke posisi. Pada walkway multi-ribu-meter-persegi, delta tenaga kerja signifikan.",{"type":19,"tag":31,"props":69,"children":71},{"id":70},"di-mana-itu-pergi-di-pabrik",[72],{"type":24,"value":73},"Di Mana Itu Pergi di Pabrik",{"type":19,"tag":75,"props":76,"children":77},"ul",{},[78,90,100,110,120],{"type":19,"tag":79,"props":80,"children":81},"li",{},[82,88],{"type":19,"tag":83,"props":84,"children":85},"strong",{},[86],{"type":24,"value":87},"Walkway bangunan digester",{"type":24,"value":89}," — suhu tinggi, percikan liquor putih",{"type":19,"tag":79,"props":91,"children":92},{},[93,98],{"type":19,"tag":83,"props":94,"children":95},{},[96],{"type":24,"value":97},"Pencuci brown stock",{"type":24,"value":99}," — basah, licin, percikan liquor coklat",{"type":19,"tag":79,"props":101,"children":102},{},[103,108],{"type":19,"tag":83,"props":104,"children":105},{},[106],{"type":24,"value":107},"Pabrik pemutih",{"type":24,"value":109}," — ClO₂, peroksida, tahap asam; layanan kimia paling agresif",{"type":19,"tag":79,"props":111,"children":112},{},[113,118],{"type":19,"tag":83,"props":114,"children":115},{},[116],{"type":24,"value":117},"Area boiler pemulihan",{"type":24,"value":119}," — panas, lembap, tumpahan smelt sesekali",{"type":19,"tag":79,"props":121,"children":122},{},[123,128],{"type":19,"tag":83,"props":124,"children":125},{},[126],{"type":24,"value":127},"Persiapan stok",{"type":24,"value":129}," — umumnya lebih ringan tetapi secara konsisten basah",{"type":19,"tag":31,"props":131,"children":133},{"id":132},"detail-resin-dan-konstruksi",[134],{"type":24,"value":135},"Detail Resin dan Konstruksi",{"type":19,"tag":20,"props":137,"children":138},{},[139,144,146,151],{"type":19,"tag":83,"props":140,"children":141},{},[142],{"type":24,"value":143},"Vinyl ester",{"type":24,"value":145}," adalah satu-satunya pilihan resin yang benar untuk area pabrik pemutih dan digester. ",{"type":19,"tag":83,"props":147,"children":148},{},[149],{"type":24,"value":150},"Polyester isophthalic",{"type":24,"value":152}," baik untuk persiapan stok dan area mesin kertas di mana paparan kimia lebih sederhana.",{"type":19,"tag":20,"props":154,"children":155},{},[156],{"type":24,"value":157},"Untuk pabrik pemutih secara khusus, cari sistem resin yang diuji dalam ClO₂ pada konsentrasi 5% dan 50 °C. Kombinasi itu menyingkirkan sebagian besar sistem poliester dan sejumlah formulasi \"vinyl ester\" yang sebenarnya adalah hibrida vinyl-ester dengan terlalu banyak konten poliester untuk bertahan dari paparan pemutih jangka panjang.",{"type":19,"tag":20,"props":159,"children":160},{},[161,166],{"type":19,"tag":83,"props":162,"children":163},{},[164],{"type":24,"value":165},"Grating moulded",{"type":24,"value":167}," adalah konstruksi yang tepat untuk sebagian besar layanan pabrik pulp — memberikan kekuatan bi-directional yang lebih baik untuk panel parsial di sekitar peralatan. Grating pultruded disediakan untuk aplikasi bentang panjang seperti talang clarifier atau dek boiler pemulihan.",{"type":19,"tag":31,"props":169,"children":171},{"id":170},"standar-untuk-direferensikan",[172],{"type":24,"value":173},"Standar untuk Direferensikan",{"type":19,"tag":75,"props":175,"children":176},{},[177,187,197,207,217],{"type":19,"tag":79,"props":178,"children":179},{},[180,185],{"type":19,"tag":83,"props":181,"children":182},{},[183],{"type":24,"value":184},"ASTM C581",{"type":24,"value":186}," — ketahanan kimia pada suhu layanan",{"type":19,"tag":79,"props":188,"children":189},{},[190,195],{"type":19,"tag":83,"props":191,"children":192},{},[193],{"type":24,"value":194},"ASTM E84",{"type":24,"value":196}," — sebaran api (umumnya Kelas 1 diperlukan)",{"type":19,"tag":79,"props":198,"children":199},{},[200,205],{"type":19,"tag":83,"props":201,"children":202},{},[203],{"type":24,"value":204},"ASTM D638 \u002F D790",{"type":24,"value":206}," — properti kekuatan",{"type":19,"tag":79,"props":208,"children":209},{},[210,215],{"type":19,"tag":83,"props":211,"children":212},{},[213],{"type":24,"value":214},"ASTM F3055",{"type":24,"value":216}," — integritas grating dan peringkat beban",{"type":19,"tag":79,"props":218,"children":219},{},[220,225],{"type":19,"tag":83,"props":221,"children":222},{},[223],{"type":24,"value":224},"NSF\u002FANSI 61",{"type":24,"value":226}," — untuk grating apa pun di atas air proses atau dekat layanan air minum",{"type":19,"tag":31,"props":228,"children":230},{"id":229},"garis-bawah",[231],{"type":24,"value":232},"Garis Bawah",{"type":19,"tag":20,"props":234,"children":235},{},[236],{"type":24,"value":237},"Pabrik pulp dan kertas adalah tempat pembuktian awal untuk grating FRP vinyl ester dan tetap menjadi contoh paling jelas dari keuntungan siklus hidupnya. Kombinasi ketahanan kimia, berat, dan biaya pemasangan sulit dikalahkan dengan alternatif logam apa pun, dan basis pengalaman operasional sekarang cukup dalam sehingga keputusan spesifikasi pada dasarnya standar.",{"title":7,"searchDepth":239,"depth":239,"links":240},2,[241,242,243,244,245,246],{"id":33,"depth":239,"text":36},{"id":49,"depth":239,"text":52},{"id":70,"depth":239,"text":73},{"id":132,"depth":239,"text":135},{"id":170,"depth":239,"text":173},{"id":229,"depth":239,"text":232},"markdown","content:blog:frp-grating-in-pulp-and-paper-mills.id.md","content","blog\u002Ffrp-grating-in-pulp-and-paper-mills.id.md","blog\u002Ffrp-grating-in-pulp-and-paper-mills.id","md",1790155311322]