PTFE純(chun)模壓(ya)(ya)(ya)筒(tong)內設(she)(she)有(you)模壓(ya)(ya)(ya)腔，所(suo)述(shu)模壓(ya)(ya)(ya)腔的(de)(de)至少(shao)一(yi)(yi)端(duan)開口；所(suo)述(shu)的(de)(de)模壓(ya)(ya)(ya)筒(tong)上(shang)設(she)(she)有(you)若干過(guo)濾(lv)通(tong)(tong)(tong)道，所(suo)述(shu)的(de)(de)過(guo)濾(lv)通(tong)(tong)(tong)道包括擴(kuo)張(zhang)段，所(suo)述(shu)的(de)(de)擴(kuo)張(zhang)段從一(yi)(yi)端(duan)向另一(yi)(yi)端(duan)逐漸擴(kuo)張(zhang)；所(suo)述(shu)擴(kuo)張(zhang)段的(de)(de)小端(duan)朝向模壓(ya)(ya)(ya)腔設(she)(she)置，并與(yu)模壓(ya)(ya)(ya)腔連(lian)通(tong)(tong)(tong)；所(suo)述(shu)的(de)(de)模壓(ya)(ya)(ya)筒(tong)內設(she)(she)有(you)與(yu)過(guo)濾(lv)通(tong)(tong)(tong)道連(lian)通(tong)(tong)(tong)的(de)(de)排(pai)(pai)液通(tong)(tong)(tong)道。模壓(ya)(ya)(ya)筒(tong)中過(guo)濾(lv)通(tong)(tong)(tong)道的(de)(de)一(yi)(yi)端(duan)向另一(yi)(yi)端(duan)擴(kuo)張(zhang)，確保固(gu)體雜(za)質在高壓(ya)(ya)(ya)作用下進入過(guo)濾(lv)通(tong)(tong)(tong)道后，可(ke)以(yi)順利排(pai)(pai)出(chu)，不會(hui)造成過(guo)濾(lv)通(tong)(tong)(tong)道的(de)(de)堵(du)塞，提(ti)高過(guo)濾(lv)效率(lv)。