The adsorbent odzipereka ndi chisanadze absorbed filtrate ndi kuchepetsedwa madzi oyera kapena fyuluta slurry amasakanizidwa mu kuyimitsidwa mu chidebe chodyera, ndipo pambuyo ndende ya madzi kuti odzipereka afika chofunika, fyuluta slurry analekanitsidwa. Lowani, pitirirani pasadakhale. Sing'anga yeniyeni ya zokutira (udindowo umagwiritsidwa ntchito pazithunzi zowonjezera zowonjezera. Makulidwe a millimeter wosanjikiza nthawi zambiri ndi 3-80. Popanga zenizeni zowonetsera zosefera, keke imathanso kudulidwa mosalekeza (monga makina a vacuum drum filter cake), yomwe ikhoza kukhala yatsopano Bedi la fyuluta ndilokhazikika komanso lokhazikika.
(2)Percolation:
Kusefedwa kwa mpweya kumachitika m'magawo awiri: kuphimba chisanadze ndikuwonjezera: makulidwe a ❖ kuyanika nthawi zambiri amakhala 2-3 mm. Ntchito yayikulu ndikuteteza zinthu zosefera kuti zisawonongeke, ndipo nthawi yomweyo zimasintha kukhala zokutira polima zikawonjezeredwa ku fyuluta. Kuphimba koyambira nthawi zambiri kumakhala 2-3 mm. Makulidwe ndi kapangidwe kake ndizofunikira panjira yonseyi. Malinga ndi mtundu wa zosefera (kukhuthala, tinthu tating'onoting'ono ndi zomwe zili, kuchulukitsidwa kwa tinthu ting'onoting'ono, ndi zina zambiri), wogwiritsa ntchito amatha kugwiritsa ntchito njira zotsatirazi:
(1) Kupaka kale
The chisanadze ❖ kuyanika amapangidwa ndi bridging zotsatira zakusefa thandizo la sefapa sing'anga. Inde: Pewani chosefera (madzi oti asefedwe) kuchokera ku tizigawo ta fyuluta; filtrate ikhoza kupezeka kumayambiriro kwa kusefera; choyimira chosefera ndi chosavuta kutseka. Mukaphimba chisanadze, chothandizira chapadera cha fyuluta ndi madzi omveka bwino (kapena madzi ophera tizilombo) amagawidwa kukhala 5-10% (chiŵerengero cha misa) kuyimitsidwa mu thanki yophimbidwa kale, ndipo kuyika kwabwino komanso kokhazikika kumapangidwa pa fyuluta sing'anga kudzera pa mpope wozungulira. zokutira. Makulidwe opaka kale a makina osindikizira ndi pafupifupi 2-4MM wandiweyani (mulingo wothandizira zosefera ndi 700-1000G/m²). Zosefera zapawiri zimafunikira kuti 8-15CM ikhale yoyambira. Zofunikira zosefera zodziwikiratu, zokhala ndi kachulukidwe kakang'ono (pafupifupi 1CP), kuchuluka kwamadzi otsekemera kusanachitike kumakhala pafupifupi 40L/m², ndipo kutsika kwamadzimadzi otsekemera kusanachitike kumachepetsedwa motere.
(2) Pambuyo powonjezera fyuluta yothandizira kusefa ndi kuyikapo, pambuyo pa ufa wa fyuluta umalowa mu fyuluta, m'pofunika kuwonjezera chothandizira cha 0.1-2.0% ndi kulemera kwa slurry. Posefera, chithandizo cha fyuluta ndi tinthu tating'onoting'ono tosefera timawonjezedwa ku makina osindikizira mofananamo. Kuwonjezera kuchuluka amasunga kuchuluka ndi compressibility wa anapanga particles. Zodetsedwa zokhala ndi chiwopsezo chokwera kwambiri, kuchuluka kwa chithandizo cha fyuluta ndikufanana Kuwonjezeka. Kuwonjezera kwa fyuluta kuyenera kupangidwa pamene kupanikizika kwa fyuluta kukufika pazovuta. Sefa chophimba kwenikweni wodzazidwa ndi fyuluta chophimba amalola akamaliza kuyamwa fyuluta danga. Panthawiyi muzosefera, zosefera zosefera zimalowa mugawo la adsorption.
(3) Onjezani kusefa mwachindunji:
Thandizo la fyuluta ndi zolimba mu fyuluta slurry zimayikidwa pamodzi pazitsulo zoyambirira kapena zosanjikiza zosefera kuti zikhale zosanjikiza zatsopano, kuti fyulutayo ikhalebe yokhazikika. Kuthamanga kwa kusefera. Panthawiyi, kukula kwa tinthu kothandizira fyuluta ya Wu Jia kumangotsimikiziridwa ndi mawonekedwe a mawonekedwe mu fyuluta slurry, ndipo sikukhudzidwa ndi mapangidwe a fyuluta.
Nthawi yotumiza: Sep-26-2021