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西安自动板框压滤机怎么选型

时(shi)间(jian):2020-04-06 来源:压滤机资讯 点击:0

  板框(kuang)压滤(lv)机工作(zuo)原理(li):
 
  压滤(lv)(lv)机用于固(gu)体(ti)(ti)(ti)和液体(ti)(ti)(ti)的分离(li)。与(yu)其它固(gu)液分离(li)设备相比,压滤(lv)(lv)机过(guo)滤(lv)(lv)后的泥饼有更高的含固(gu)率和优良的分离(li)效果(guo)。固(gu)液分离(li)的基本原理是:混(hun)合液流经过(guo)滤(lv)(lv)介(jie)质(滤(lv)(lv)布),固(gu)体(ti)(ti)(ti)停(ting)留在滤(lv)(lv)布上,并逐(zhu)渐在滤(lv)(lv)布上堆积形成过(guo)滤(lv)(lv)泥饼。而滤(lv)(lv)液部(bu)分则(ze)渗透过(guo)滤(lv)(lv)布,成为不含固(gu)体(ti)(ti)(ti)的清液。
西安自动板框压滤机怎么选型
西安自动板框压滤机怎么选型
西安自动板框压滤机怎么选型
西安自动板框压滤机怎么选型
 
  随着过滤(lv)(lv)过程的(de)(de)(de)进(jin)行,滤(lv)(lv)饼过滤(lv)(lv)开始,泥(ni)饼厚度(du)逐渐增加,过滤(lv)(lv)阻力加大。过滤(lv)(lv)时间越长(zhang),分离效率越高(gao)。特殊设计的(de)(de)(de)滤(lv)(lv)布可截留粒径小于1μm的(de)(de)(de)粒子。压滤(lv)(lv)机除了优良的(de)(de)(de)分离效果和(he)泥(ni)饼高(gao)含固率外,还可提(ti)供进(jin)一步的(de)(de)(de)分离过程:
 
  在(zai)过(guo)滤的过(guo)程中可(ke)同时结合对过(guo)滤泥饼进行有效的洗涤(di)。
 
  从而有价值的(de)物质可(ke)得到回(hui)收并且可(ke)以(yi)获得高纯度的(de)过滤泥饼。
 
  板框压滤机(ji)的选型:
 
  板(ban)(ban)框(kuang)压(ya)滤机对于(yu)滤渣(zha)压(ya)缩性大(da)或近于(yu)不可(ke)压(ya)缩的(de)(de)(de)悬浮液(ye)都(dou)能适(shi)(shi)用。适(shi)(shi)合的(de)(de)(de)悬浮液(ye)的(de)(de)(de)固体颗粒浓(nong)度(du)一般为10%以下(xia),操作压(ya)力一般为0.3~0.6兆帕,特殊 的(de)(de)(de)可(ke)达3兆帕或更(geng)高。过滤面(mian)积可(ke)以随所用的(de)(de)(de)板(ban)(ban)框(kuang)数目(mu)增(zeng)减。板(ban)(ban)框(kuang)通常为正方(fang)形(xing),滤框(kuang)的(de)(de)(de)内边(bian)长为 320~2000毫(hao)米,框(kuang)厚为16~80毫(hao)米,过滤面(mian)积为1~1200米2。板(ban)(ban)与框(kuang)用手动螺旋(xuan)、电(dian)动螺旋(xuan)和(he)液(ye)压(ya)等方(fang)式压(ya)紧(jin)。板(ban)(ban)和(he)框(kuang)用木材、铸铁、铸钢、不 锈钢、聚丙烯和(he)橡胶(jiao)等材料制造。
 
  板框(kuang)压滤机(ji)的基本(ben)参数表:
 
  板框压滤机的基本参数(shu)表
 
  板(ban)框压滤机工作流程(cheng):
 
  板框(kuang)(kuang)(kuang)(kuang)压滤(lv)(lv)(lv)机由交替排列的(de)滤(lv)(lv)(lv)板和(he)滤(lv)(lv)(lv)框(kuang)(kuang)(kuang)(kuang)构成一组滤(lv)(lv)(lv)室(shi)。滤(lv)(lv)(lv)板的(de)表面有(you)沟(gou)槽,其(qi)凸出(chu)部位(wei)用以支(zhi)撑滤(lv)(lv)(lv)布(bu)。滤(lv)(lv)(lv)框(kuang)(kuang)(kuang)(kuang)和(he)滤(lv)(lv)(lv)板的(de)边角(jiao)上(shang)有(you)通(tong)(tong)孔,组装(zhuang)后构成完整的(de)通(tong)(tong)道(dao),能通(tong)(tong)入 悬浮液(ye)(ye)、洗(xi)(xi)涤(di)水(shui)和(he)引(yin)出(chu)滤(lv)(lv)(lv)液(ye)(ye)。板、框(kuang)(kuang)(kuang)(kuang)两侧各有(you)把手支(zhi)托(tuo)在横梁上(shang),由压紧装(zhuang)置压紧板、框(kuang)(kuang)(kuang)(kuang)。板、框(kuang)(kuang)(kuang)(kuang)之间的(de)滤(lv)(lv)(lv)布(bu)起密封垫片的(de)作用。由供料泵将(jiang)悬浮液(ye)(ye)压入滤(lv)(lv)(lv)室(shi),在滤(lv)(lv)(lv) 布(bu)上(shang)形成滤(lv)(lv)(lv)渣(zha),直至(zhi)充(chong)满(man)滤(lv)(lv)(lv)室(shi)。滤(lv)(lv)(lv)液(ye)(ye)穿(chuan)过(guo)(guo)滤(lv)(lv)(lv)布(bu)并沿滤(lv)(lv)(lv)板沟(gou)槽流至(zhi)板框(kuang)(kuang)(kuang)(kuang)边角(jiao)通(tong)(tong)道(dao),集中排出(chu)。过(guo)(guo)滤(lv)(lv)(lv)完毕,可通(tong)(tong)入清(qing)洗(xi)(xi)涤(di)水(shui)洗(xi)(xi)涤(di)滤(lv)(lv)(lv)渣(zha)。洗(xi)(xi)涤(di)后,有(you)时还通(tong)(tong)入压缩空气,除(chu) 去(qu)剩(sheng)余的(de)洗(xi)(xi)涤(di)液(ye)(ye)。随后打开压滤(lv)(lv)(lv)机卸除(chu)滤(lv)(lv)(lv)渣(zha),清(qing)洗(xi)(xi)滤(lv)(lv)(lv)布(bu),重新压紧板、框(kuang)(kuang)(kuang)(kuang),开始下一工作循(xun)环。
 
  板(ban)框(kuang)式(shi)压(ya)(ya)滤(lv)(lv)机主要(yao)由止推板(ban)(固定(ding)滤(lv)(lv)板(ban))、压(ya)(ya)紧(jin)板(ban)(活动滤(lv)(lv)板(ban))、滤(lv)(lv)板(ban)和滤(lv)(lv)框(kuang)、横梁(扁铁架)、过(guo)滤(lv)(lv)介质(滤(lv)(lv)布或滤(lv)(lv)纸等)、压(ya)(ya)紧(jin)装置、集液槽等组成。
 
  板框压滤机(ji)组成结构图
 
  板(ban)(ban)(ban)框(kuang)压(ya)(ya)滤(lv)(lv)机(ji)(ji)有(you)手动(dong)(dong)(dong)(dong)压(ya)(ya)紧(jin)(jin)(jin)(jin)、机(ji)(ji)械(xie)压(ya)(ya)紧(jin)(jin)(jin)(jin)和(he)(he)(he)液(ye)(ye)压(ya)(ya)压(ya)(ya)紧(jin)(jin)(jin)(jin)几种形式(shi)。手动(dong)(dong)(dong)(dong)压(ya)(ya)紧(jin)(jin)(jin)(jin)是螺旋(xuan)千斤顶推动(dong)(dong)(dong)(dong)压(ya)(ya)紧(jin)(jin)(jin)(jin)板(ban)(ban)(ban)压(ya)(ya)紧(jin)(jin)(jin)(jin);机(ji)(ji)械(xie)压(ya)(ya)紧(jin)(jin)(jin)(jin)是电动(dong)(dong)(dong)(dong)机(ji)(ji)配H型减速箱,经机(ji)(ji)架传(chuan)动(dong)(dong)(dong)(dong)部件推动(dong)(dong)(dong)(dong)压(ya)(ya)紧(jin)(jin)(jin)(jin)板(ban)(ban)(ban)压(ya)(ya)紧(jin)(jin)(jin)(jin);液(ye)(ye)压(ya)(ya)压(ya)(ya)紧(jin)(jin)(jin)(jin)是有(you)液(ye)(ye)压(ya)(ya)站(zhan)经机(ji)(ji)架上的(de)液(ye)(ye)压(ya)(ya)缸部件推动(dong)(dong)(dong)(dong)压(ya)(ya)紧(jin)(jin)(jin)(jin)板(ban)(ban)(ban)压(ya)(ya)紧(jin)(jin)(jin)(jin)。两横梁把(ba)止推板(ban)(ban)(ban)和(he)(he)(he)压(ya)(ya)紧(jin)(jin)(jin)(jin)装置(zhi)连在(zai)(zai)一(yi)起构(gou)成(cheng)机(ji)(ji)架,机(ji)(ji)架上压(ya)(ya)紧(jin)(jin)(jin)(jin)板(ban)(ban)(ban)与压(ya)(ya)紧(jin)(jin)(jin)(jin)装置(zhi)饺接,在(zai)(zai)止推板(ban)(ban)(ban)和(he)(he)(he)压(ya)(ya)紧(jin)(jin)(jin)(jin)板(ban)(ban)(ban)之(zhi)间依(yi)次交替排列着滤(lv)(lv)板(ban)(ban)(ban)和(he)(he)(he)滤(lv)(lv)框(kuang),滤(lv)(lv)板(ban)(ban)(ban)和(he)(he)(he)滤(lv)(lv)框(kuang)之(zhi)间夹(jia)着过(guo)(guo)滤(lv)(lv)介(jie)质;压(ya)(ya)紧(jin)(jin)(jin)(jin)装置(zhi)推动(dong)(dong)(dong)(dong)压(ya)(ya)紧(jin)(jin)(jin)(jin)板(ban)(ban)(ban),将(jiang)所有(you)滤(lv)(lv)板(ban)(ban)(ban)和(he)(he)(he)滤(lv)(lv)框(kuang)压(ya)(ya)紧(jin)(jin)(jin)(jin)在(zai)(zai)机(ji)(ji)架中,达到额定压(ya)(ya)紧(jin)(jin)(jin)(jin)力后,即可进(jin)行过(guo)(guo)滤(lv)(lv)。悬浮液(ye)(ye)从止推板(ban)(ban)(ban)上的(de)进(jin)料孔进(jin)入各滤(lv)(lv)室(shi)(滤(lv)(lv)框(kuang)与相邻滤(lv)(lv)板(ban)(ban)(ban)构(gou)成(cheng)滤(lv)(lv)室(shi)),固(gu)体颗粒被过(guo)(guo)滤(lv)(lv)介(jie)质截留在(zai)(zai)滤(lv)(lv)室(shi)内(nei),滤(lv)(lv)液(ye)(ye)则透过(guo)(guo)介(jie)质,由(you)出液(ye)(ye)孔排出机(ji)(ji)外。
 
  压(ya)滤机(ji)的出(chu)(chu)液(ye)(ye)有(you)明(ming)流(liu)和(he)暗(an)流(liu)两种形(xing)式(shi),滤液(ye)(ye)从每块滤板(ban)(ban)的出(chu)(chu)液(ye)(ye)孔直接排出(chu)(chu)机(ji)外的称明(ming)流(liu)式(shi),明(ming)流(liu)式(shi)便(bian)于监视每块滤板(ban)(ban)的过滤情(qing)况,发(fa)现某滤板(ban)(ban)滤液(ye)(ye)不纯,即可(ke)关闭该(gai)板(ban)(ban)出(chu)(chu)液(ye)(ye)口;若各块滤板(ban)(ban)的滤液(ye)(ye)汇合从一(yi)条(tiao)出(chu)(chu)液(ye)(ye)管(guan)道排出(chu)(chu)机(ji)外的则称暗(an)流(liu)式(shi),暗(an)流(liu)式(shi)用(yong)于滤液(ye)(ye)易挥发(fa)或(huo)滤液(ye)(ye)对人(ren)体(ti)有(you)害的悬浮液(ye)(ye)的过滤。
 
  压(ya)滤(lv)(lv)(lv)(lv)机根据(ju)是否需要对滤(lv)(lv)(lv)(lv)渣进行洗(xi)(xi)(xi)(xi)涤(di)(di),又可(ke)(ke)分为可(ke)(ke)洗(xi)(xi)(xi)(xi)和不(bu)可(ke)(ke)洗(xi)(xi)(xi)(xi)两(liang)(liang)种(zhong)形式(shi),可(ke)(ke)以洗(xi)(xi)(xi)(xi)涤(di)(di)的(de)(de)称(cheng)可(ke)(ke)洗(xi)(xi)(xi)(xi)式(shi),否则称(cheng)为不(bu)可(ke)(ke)洗(xi)(xi)(xi)(xi)式(shi)。可(ke)(ke)洗(xi)(xi)(xi)(xi)式(shi)压(ya)滤(lv)(lv)(lv)(lv)机的(de)(de)滤(lv)(lv)(lv)(lv)板(ban)(ban)(ban)有(you)(you)(you)(you)两(liang)(liang)种(zhong)形式(shi),板(ban)(ban)(ban)上开有(you)(you)(you)(you)洗(xi)(xi)(xi)(xi)涤(di)(di)液(ye)进液(ye)孔(kong)的(de)(de)称(cheng)为有(you)(you)(you)(you)孔(kong)滤(lv)(lv)(lv)(lv)板(ban)(ban)(ban)(也称(cheng)洗(xi)(xi)(xi)(xi)涤(di)(di)板(ban)(ban)(ban)),未开洗(xi)(xi)(xi)(xi)涤(di)(di)液(ye)进液(ye)孔(kong)的(de)(de)称(cheng)无孔(kong)滤(lv)(lv)(lv)(lv)板(ban)(ban)(ban)(也称(cheng)非(fei)洗(xi)(xi)(xi)(xi)涤(di)(di)板(ban)(ban)(ban))。可(ke)(ke)洗(xi)(xi)(xi)(xi)式(shi)压(ya)滤(lv)(lv)(lv)(lv)机又有(you)(you)(you)(you)单向(xiang)(xiang)洗(xi)(xi)(xi)(xi)涤(di)(di)和双向(xiang)(xiang)洗(xi)(xi)(xi)(xi)涤(di)(di)之分,单向(xiang)(xiang)洗(xi)(xi)(xi)(xi)涤(di)(di)是由有(you)(you)(you)(you)孔(kong)滤(lv)(lv)(lv)(lv)板(ban)(ban)(ban)和无孔(kong)滤(lv)(lv)(lv)(lv)板(ban)(ban)(ban)组合交替放置;双向(xiang)(xiang)洗(xi)(xi)(xi)(xi)涤(di)(di)滤(lv)(lv)(lv)(lv)板(ban)(ban)(ban)都为有(you)(you)(you)(you)孔(kong)滤(lv)(lv)(lv)(lv)板(ban)(ban)(ban),但相邻两(liang)(liang)块滤(lv)(lv)(lv)(lv)板(ban)(ban)(ban)的(de)(de)洗(xi)(xi)(xi)(xi)涤(di)(di)应错开放置,不(bu)能同时通过洗(xi)(xi)(xi)(xi)涤(di)(di)液(ye)。
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