我有一计
刘备的日常
“来者何人xiaomao8 ¤cc”城头兵卒，高声喝问xiaomao8 ¤cc
“阳翟郭嘉xiaomao8 ¤cc”郭嘉推窗答曰xiaomao8 ¤cc
“意欲何为xiaomao8 ¤cc”
“自为交易xiaomao8 ¤cc”
“尊驾稍待xiaomao8 ¤cc”果然来者不拒xiaomao8 ¤cc
待吊桥落下，城门洞开xiaomao8 ¤cc龚都遂引车驾入城xiaomao8 ¤cc
棠谿城横竖一里余，东西略长，南北稍短xiaomao8 ¤cc坐落在十里棠谿亭内，从建制上说，乃是乡邑xiaomao8 ¤cc棠谿城居中，与冶炉、合伯二城，各距数里，匠人自成聚落，便是三城民众来源xiaomao8 ¤cc三城互为犄角，大致呈“品”字形xiaomao8 ¤cc冶炉城乃为冶铁，合伯城多为铸剑，棠谿城多为工匠生活起居xiaomao8 ¤cc
车驾一路行来，只见沿棠谿水两岸，排列无数冶炼高炉xiaomao8 ¤cc围绕棠谿湖，冶铁炉尤其多xiaomao8 ¤cc炉顶烟囱耸立，吞云吐雾xiaomao8 ¤cc烟气汇聚于顶，连成长龙xiaomao8 ¤cc云蒸霞蔚，顺棠谿水而下，如雾似幻，热气腾腾xiaomao8 ¤cc两岸冰雪消融，嫩芽早发xiaomao8 ¤cc
除去木炭，石炭及鱼油，亦是常备燃料xiaomao8 ¤cc炉旁还设橐龠（tuóyuè）鼓风助火xiaomao8 ¤cc
另有许多圆窑，广布于冶炼场周围xiaomao8 ¤cc圆窑由：窑门、火池、窑膛、烟囱，四部分组成xiaomao8 ¤cc窑建在炉前xiaomao8 ¤cc除用于烧瓦、砖、鼓风管等，建炉诸材外，还有烘范、铁器热处理及烧制陶器等，多种功用xiaomao8 ¤cc
高炉炉体，皆用耐火砖垒砌xiaomao8 ¤cc炉基则由粘土加小鹅卵石、炭末、矿石粉等，夯土版筑而成，异常坚固xiaomao8 ¤cc“加料口”位于炉顶，匠人将矿石及木炭等混合物料，倾入炉缸，点火冶炼xiaomao8 ¤cc炼好的铁水则由“出铁水口”流出，注入炉前模具，铸成铁板或铁碇xiaomao8 ¤cc故炉前还搭建有“工棚”，不仅可遮风挡雨，防止铁水流出后遇水冷却或爆炸；还可利用架设在横梁上的杠杆，向炉顶加入混合物料，搬运新铸铁碇，及清理炉内结瘤积铁xiaomao8 ¤cc
高炉炉缸，呈椭圆形xiaomao8 ¤cc分