PVC yeeb nkab tshuab yog cov cuab yeej siv tshuab siv los ua cov khoom siv polyvinyl chloride (PVC), ua ob qho tib si nruj (RPVC) thiab hloov tau (SPVC) kav. Cov khoom siv muaj cov ntsia hlau conical, lub ntsuas ntsuas khoom noj, lub tshuab extrusion tuag, thiab lub tshuab nqus tsev tsim lub tank, tsim cov kav dej PVC los ntawm kev ncaj qha extrusion lossis granulation ntawm hmoov. Cov yeeb nkab PVC uas tsim tawm yog tshuaj tiv thaiv thiab muaj cov khoom siv rwb thaiv tsev zoo. Lawv raug cais los ntawm daim ntawv thov, suav nrog cov kav dej, cov kav dej, thiab cov kav dej hluav taws xob. Cov kav dej yuav tsum tau tshwj xeeb fittings thiab account rau ntau tshaj 60% ntawm cov yeeb nkab yas ua lag luam.
PVC yeeb nkab tshuab yog tsav los ntawm Siemens Bede motors, nrog rau chav tsev loj zog ntawm 47.3-106 kW thiab lub peev xwm extrusion ntawm 100-200 kg / teev, ua cov kav dej nrog txoj kab uas hla ntawm 14-400 mm. Tus tuag lub taub hau qauv tsim ncaj qha cuam tshuam rau cov yeeb nkab txoj kev zoo; Cov qauv tsim muaj xws li tshwj xeeb tuag taub hau haum rau cov kav dej me me hauv qab 50 hli. Cov ntawv thov suav nrog lub tsev qhov rooj thiab qhov rais qhov rooj sib dhos, cable sheathing, cov kav dej thauj khoom, thiab txheej txheej tawv tawv. Kev tsim cov kav dej nruj yuav tsum tau siv SG-5 hom resin ua ke nrog cov hmoov lead-based stabilizers kom ntseeg tau tias kev ua tau zoo thiab lub zog compressive ntawm cov khoom tiav.
