Makina a pepala a A4 omwe kwenikweni ndi mzere wopangira mapepala alinso ndi magawo osiyanasiyana;
1- Gawo loyenda lomwe limasinthira kusakanikirana kwa zamkati kuti apange pepala lokhala ndi kulemera kwake. Kulemera kwa maziko a pepala ndi kulemera kwa sikweya mita mu magalamu. Kutuluka kwa slurry zamkati zomwe zimatsitsidwa zimatsukidwa, kuwonetseredwa muzithunzi zotsekera ndikutumizidwa ku bokosi lamutu.
2- Bokosi lamutu limafalitsa kutuluka kwa slurry zamkati mofanana kwambiri m'lifupi mwa waya wamakina a pepala. Kuchita kwa bokosi lamutu kumatsimikiziridwa mu chitukuko cha khalidwe la mankhwala omaliza.
3- Chigawo cha Waya; Zamkati slurry ndi uniformly kutulutsidwa pa waya wosuntha ndi amene waya kusuntha chakumapeto kwa gawo waya, pafupifupi 99% ya madzi chatsanulidwa ndi chonyowa ukonde ndi youma pafupifupi 20-21% anasamutsidwa kuti asindikize gawo kuti apitirize kuthirira madzi.
4- Press Gawo; Gawo la atolankhani limatsitsa madzi pa intaneti kuti lifike kuuma kwa 44-45%. The dewatering ndondomeko mu makina popanda ntchito matenthedwe mphamvu. Gawo la atolankhani nthawi zambiri limagwiritsa ntchito 2-3 nips kutengera ukadaulo wa atolankhani ndi kasinthidwe.
Gawo la 5- Dryer Section: Dryer part of the writing, printing and copy paper machine is made in two parts, per-dryer and after-dryer aliyense pogwiritsa ntchito masilindala angapo owumitsira pogwiritsa ntchito saturated steam ngati heating medium. Ukonde wamapepala ukatha kukula umakhala ndi madzi pafupifupi 30-35%. Ukonde wonyowa uwu udzawumitsidwanso muzowumitsa mpaka 93% zowuma zoyenera kugwiritsidwa ntchito.
6‐ Kalendala: Mapepala otuluka mu dryer si oyenera kusindikiza, kulemba ndi kukopera chifukwa pepala pamwamba silosalala mokwanira. Calendar imachepetsa kuuma kwa pepala ndikuwongolera kuthamanga kwake pamakina osindikiza ndi kukopera.
7 - Kuthamanga; Pamapeto pa makina a pepala, ukonde wouma wa pepala umavulazidwa mozungulira chitsulo cholemera mpaka mita 2.8 m'mimba mwake. Mapepala a mpukutuwu adzakhala matani 20. Makina omangirira mapepala a jumbo awa amatchedwa apapa reeler.
8 - Wothandizira; M'lifupi mwa pepala pa mpukutu wa mapepala apamwamba ndi pafupifupi m'lifupi mwa waya wa makina a pepala. Mpukutu wapepala uwu uyenera kudulidwa motalika komanso m'lifupi monga momwe amachitira pomaliza. Iyi ndi ntchito ya rewinder kugawa mpukutu wa jumbo m'mipukutu yocheperako.
Nthawi yotumiza: Sep-23-2022