SZR系列热(re)矿振(zhen)动筛专供烧结厂完成热(re)烧矿的分级和向冷却设(she)备均匀给料作业(ye)。
一、工作(zuo)原理与(yu)结构特点
SZR系(xi)列热矿振(zhen)动(dong)(dong)(dong)筛(shai)(shai)为座式安装,采用双轴(zhou)振(zhen)动(dong)(dong)(dong)器振(zhen)动(dong)(dong)(dong)。双轴(zhou)振(zhen)动(dong)(dong)(dong)器两(liang)根轴(zhou)由两(liang)台电(dian)动(dong)(dong)(dong)机(ji)(ji)分别带动(dong)(dong)(dong)做反向(xiang)自同步旋(xuan)转,使(shi)筛(shai)(shai)箱产生直线振(zhen)动(dong)(dong)(dong)。电(dian)动(dong)(dong)(dong)机(ji)(ji)安装在筛(shai)(shai)箱侧面的固定(ding)支架上,故(gu)电(dian)动(dong)(dong)(dong)机(ji)(ji)不参(can)振(zhen)。
电(dian)动(dong)(dong)(dong)机(ji)和(he)(he)双轴振(zhen)(zhen)(zhen)动(dong)(dong)(dong)器之间,两台双轴振(zhen)(zhen)(zhen)动(dong)(dong)(dong)器之间均采用万向(xiang)联轴器连接,万向(xiang)联轴器同时具有角度(du)和(he)(he)长度(du)的(de)补(bu)偿作用,可(ke)以满足筛机(ji)工作时电(dian)动(dong)(dong)(dong)机(ji)和(he)(he)激振(zhen)(zhen)(zhen)器之间的(de)相对(dui)位移(yi)要求。根(gen)据电(dian)动(dong)(dong)(dong)机(ji)和(he)(he)振(zhen)(zhen)(zhen)动(dong)(dong)(dong)器安(an)装(zhuang)位置的(de)不(bu)同,热矿(kuang)振(zhen)(zhen)(zhen)动(dong)(dong)(dong)筛可(ke)制定(ding)成上振(zhen)(zhen)(zhen)式或下(xia)振(zhen)(zhen)(zhen)式。
SZR系列热矿(kuang)筛均配备二次隔振(zhen)系统(tong),对基础的动负(fu)荷(he)较小,使用于(yu)有隔振(zhen)减振(zhen)要求,安(an)装高度允许的场(chang)合。
热(re)矿筛筛箱的(de)侧板与横梁(liang)采用(yong)(yong)优质耐热(re)不锈(xiu)钢(gang)(或优质耐热(re)钢(gang))制造,主板和(he)侧板之间,侧板和(he)横梁(liang)的(de)连接采用(yong)(yong)环槽铆(mao)接,连接紧固可靠。
热(re)矿振动筛(shai)工(gong)(gong)作时,筛(shai)板(ban)与高温物料(liao)接触,要求有较(jiao)好的耐(nai)(nai)磨、耐(nai)(nai)热(re)性能,故采(cai)用(yong)耐(nai)(nai)热(re)合金铸钢。工(gong)(gong)作时筛(shai)板(ban)会受热(re)膨胀,筛(shai)板(ban)固(gu)定装置采(cai)用(yong)斜插紧固(gu),并设(she)有热(re)偿机构,可保证(zheng)工(gong)(gong)作温度状态(tai)下,筛(shai)板(ban)固(gu)定牢靠,筛(shai)板(ban)拆装也(ye)比(bi)较(jiao)方便。