Maitiro ekugadzira maumbirwo akaiswa mudumbu
Kuisa muchimiro che "impregnation" inhanho yekusarudza inoitirwa kuvandudza hunhu hwechigadzirwa chekupedzisira. Matavi, mapitch, maresins, simbi dzakanyungudutswa nezvimwe zvinogadziriswa zvinogona kuwedzerwa kuchimiro chakabikwa (mukushandiswa kwakakosha, girafiti inogonawo kuiswa muchimiro che "graphite") uye mamwe ma "reagents" anoshandiswa kuzadza maburi akaumbwa muchinhu chakaiswa mu "carbonised". Kunyika ne "hot coal tar pitch" ne "vacuum" kana "isina" uye "autoclaving" zvinoshandiswa. Nzira dzakasiyana-siyana dzekuisa muchimiro che "impregnation" dzinoshandiswa zvichienderana nechigadzirwa senge "batch" kana "quasi-continuous operations" dzinoshandiswa. Kuisa muchimiro che "impregnation" kunowanzo sanganisira kupisa maumbirwo, kuisa muchimiro che "impregnation" uye kutonhora. "Hardening reactor" inogonawo kushandiswa. Ma "electrodes" anofanira kuiswa muchimiro che "impregnation" anogona kupiswa nekupisa kwe "thermal oxidiser". Ma "specialty carbons" chete ndiwo anoiswa musimbi dzakasiyana-siyana. Zvikamu zvakabikwa kana zvakaiswa muchimiro che "graphite" zvinogona kuiswa muchimiro che "impregnation" nezvimwe zvinhu, semuenzaniso ma "resins" kana "simbi". Kuisa muchimiro che "impregnation" kunoitwa nekunyika, dzimwe nguva pasi pe "vacuum" uye dzimwe nguva pasi pekumanikidzwa, "autoclaves" dzinoshandiswa. Zvinhu zvakaiswa mudumbu kana kuti zvakasungirirwa netara yemarasha zvinobikwazve. Kana zvakashandiswa, zvinorapwa.
Maitiro ekugadzira maumbirwo akabikwazve kubva kumarudzi akaiswa mudumbu
Kubika nekubika patsva Kubika patsva kunoshandiswa chete kune maumbirwo akaiswa mudumbu. Maumbirwo egirini (kana maumbirwo akaiswa mudumbu) anobikwa patembiricha inosvika 1300 °C uchishandisa maovheni akasiyana-siyana akadai setunnel, single chamber, multiple chamber, annular uye push rod furnaces zvichienderana nehukuru uye kuoma kwechigadzirwa. Kubika nguva dzose kunoitwawo. Mabasa eovheni akafanana neaya anoshandiswa pakubika maumbirwo eelectrode, asi
mavhiri anowanzova madiki.
Nguva yekutumira: Kurume-02-2021