

天然(ran)氣(qi)鍛(duan)造爐設(she)計(ji)要考(kao)慮(lv)下(xia)列因(yin)素:(l)內(nei)環滬墻受熱膨脹(zhang)後,將(jiang)要向(xiang)爐內(nei)方(fang)向(xiang)傾(qing)斜(xie),因(yin)此內環墻要采取(qu)固定(ding)措施;(2)拱(gong)頂三角(jiao)縫(feng)過大會降(jiang)低爐(lu)頂強度,因(yin)此拱(gong)頂砌築結構要減(jian)小(xiao)三角(jiao)縫(feng);(3)固(gu)定(ding)爐墻與(yu)環形滬底(di)之間(jian)的縫(feng)隙(xi),由(you)於(yu)環形爐底(di)受熱後向(xiang)外(wai)膨脹(zhang),因(yin)此外(wai)環縫(feng)隙(xi)要比內(nei)環縫(feng)隙(xi)大;(4)爐墻與(yu)爐(lu)底(di)之間(jian)的縫(feng)隙(xi)采重油作(zuo)燃料。用水(shui)封密(mi)封,水(shui)封槽底(di)要向(xiang)爐外(wai)方向(xiang)傾(qing)斜(xie),使落(luo)入槽(cao)中(zhong)臺(tai)車式(shi)鍛(duan)造爐爐(lu)膛尺(chi)寸,壹般(ban)高(gao)度(du)可安(an)裝料高度的(de)雜(za)物(wu)自(zi)然(ran)集中(zhong)到(dao)水(shui)槽外(wai)側(ce),便(bian)於(yu)清(qing)除(chu)。