發布時間：2021/6/30 14:49:38 瀏覽：

我們知(zhi)道篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)面(mian)的(de)(de)運動形(xing)式和(he)篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)面(mian)的(de)(de)結構參(can)數與篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)面(mian)上(shang)料層(ceng)的(de)(de)松(song)散(san)程(cheng)度以及需要(yao)篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)分(fen)的(de)(de)細粒(li)(li)物料相對于(yu)(yu)篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)面(mian)的(de)(de)速度方向和(he)頻率(lv)(lv)有(you)關。篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)面(mian)力(li)學參(can)數可分(fen)為(wei)篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)面(mian)尺(chi)(chi)寸(cun)和(he)篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)尺(chi)(chi)寸(cun)、形(xing)狀和(he)開(kai)孔(kong)(kong)率(lv)(lv)的(de)(de)影響。專業壓裂砂推薦方擺篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)廠家告(gao)訴(su)您，一般來(lai)說，篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)面(mian)直(zhi)徑(jing)決(jue)定了篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)網(wang)(wang)的(de)(de)處(chu)(chu)理能力(li)，篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)面(mian)越大(da)(da)，處(chu)(chu)理能力(li)越大(da)(da)；篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)面(mian)的(de)(de)大(da)(da)小決(jue)定了篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)網(wang)(wang)的(de)(de)篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)分(fen)效率(lv)(lv)，篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)面(mian)越大(da)(da)，效率(lv)(lv)越高(gao)。篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)越大(da)(da)，單位篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)面(mian)積的(de)(de)處(chu)(chu)理能力(li)越高(gao)，篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)分(fen)效率(lv)(lv)越高(gao)。篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)的(de)(de)大(da)(da)小主要(yao)取決(jue)于(yu)(yu)篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)分(fen)的(de)(de)目的(de)(de)和(he)要(yao)求。對于(yu)(yu)粒(li)(li)徑(jing)較大(da)(da)的(de)(de)常(chang)規篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)分(fen)，篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)尺(chi)(chi)寸(cun)一般等于(yu)(yu)篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)分(fen)粒(li)(li)徑(jing)；但當所需篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)分(fen)粒(li)(li)度較小時，篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)應略大(da)(da)于(yu)(yu)篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)分(fen)粒(li)(li)度；近(jin)似篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)分(fen)時，篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)應大(da)(da)于(yu)(yu)篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)尺(chi)(chi)寸(cun)。篩(shai)(shai)(shai)(shai)(shai)(shai)(shai)分(fen)粒(li)(li)度要(yao)大(da)(da)得多。

石(shi)(shi)油壓裂(lie)砂又稱石(shi)(shi)油支(zhi)(zhi)撐劑(ji)，用(yong)石(shi)(shi)油支(zhi)(zhi)撐劑(ji)隨(sui)同高壓溶液進入地層充填在巖(yan)層裂(lie)隙中，起到支(zhi)(zhi)撐裂(lie)隙不(bu)因應力釋(shi)放而閉合的(de)作用(yong)，從而保持高導流(liu)能力，使油氣暢通，增加產量(liang)。目(mu)前常(chang)用(yong)的(de)支(zhi)(zhi)撐劑(ji)主要有石(shi)(shi)英砂、鋁釩(fan)土陶粒(li)砂及樹(shu)脂包覆的(de)復(fu)合顆粒(li)等。

石(shi)油(you)支撐劑的性能要求：

1.支撐劑要(yao)有足(zu)夠的抗(kang)壓強度和(he)抗(kang)磨損能(neng)(neng)力(li)(li)，能(neng)(neng)耐受(shou)注入時的強大(da)壓力(li)(li)和(he)摩擦力(li)(li)，并有效地支撐人(ren)工裂縫。

2.支撐劑顆(ke)粒相(xiang)對密度(du)要低(di)，便于泵入井(jing)下(xia)。

3.支撐劑顆粒(li)在溫度為200度的條件下，與(yu)壓裂液及儲層(ceng)流體不(bu)發(fa)生化學(xue)作用，酸溶解度*大允許(xu)值應小于7%。 

4.支撐劑顆粒(li)相對均勻，不(bu)可(ke)出現大小不(bu)一。

通過以(yi)上要(yao)(yao)(yao)求，支撐(cheng)劑在(zai)(zai)投(tou)入(ru)使用前(qian)就(jiu)需要(yao)(yao)(yao)使用振(zhen)(zhen)動(dong)篩(shai)來進行分級(ji)工(gong)作(zuo)，那么使用哪款設備(bei)效(xiao)(xiao)果好呢？鵬威方(fang)形(xing)搖擺篩(shai)要(yao)(yao)(yao)正確調整搖擺篩(shai)的(de)進給裝置，使材(cai)料(liao)層(ceng)根據篩(shai)面(mian)(mian)(mian)寬度均勻，平滑地進入(ru)工(gong)作(zuo)篩(shai)面(mian)(mian)(mian); 避免(mian)屏幕(mu)(mu)(mu)表面(mian)(mian)(mian)材(cai)料(liao)局部集中，影響屏蔽(bi)效(xiao)(xiao)果。 啟(qi)(qi)動(dong)順(shun)序是先打開相關風扇，然(ran)后啟(qi)(qi)動(dong)振(zhen)(zhen)動(dong)機構，等(deng)待(dai)設備(bei)平穩(wen)運行，然(ran)后開始(shi)正常運行。在(zai)(zai)啟(qi)(qi)動(dong)圓形(xing)旋轉屏幕(mu)(mu)(mu)之前(qian)，需要(yao)(yao)(yao)檢查屏幕(mu)(mu)(mu)表面(mian)(mian)(mian)材(cai)料(liao)的(de)振(zhen)(zhen)動(dong)狀態，以(yi)確保材(cai)料(liao)通道的(de)平穩(wen)運行。

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