Manyowa a nkhumba kuyanika ndi kuziziritsa zipangizo
Zowumitsa manyowa a nkhumba ndi zida zoziziritsa zimagwiritsidwa ntchito pochotsa chinyezi chochulukirapo kuchokera ku manyowa a nkhumba ataupanga feteleza.Zipangizozi zapangidwa kuti zichepetse chinyezi kukhala mulingo woyenera kusungirako, kunyamula, ndikugwiritsa ntchito.
Mitundu yayikulu yowumitsa feteleza wa nkhumba ndi zida zoziziritsira ndi izi:
1.Rotary dryer: Pazida zamtunduwu, manyowa a nkhumba amadyetsedwa mu ng'oma yozungulira, yomwe imatenthedwa ndi mpweya wotentha.Ng'oma imazungulira, kugwetsa feteleza ndikuyiyika ku mpweya wotentha, womwe umatulutsa chinyezi chochulukirapo.Feteleza woumayo amatayidwa mu mgoloyo ndi kuziziritsidwa asanayambe kukonzedwanso.
2.Belt dryer: Pazida zamtunduwu, manyowa a nkhumba amadyetsedwa pa lamba wotumizira, womwe umadutsa m'zipinda zotentha.Mpweya wotentha umatulutsa chinyezi chochulukirapo, ndipo feteleza wouma amachotsedwa kumapeto kwa lamba ndikukhazikika musanayambe kukonza.
3.Fluidized bed dryer: Pazida zamtunduwu, manyowa a nkhumba amaimitsidwa mumtsinje wa mpweya wotentha, womwe umawumitsa zinthuzo potumiza kutentha ndi kulemera.Feteleza woumayo amaziziritsidwa asanayambe kukonza.
Kugwiritsa ntchito feteleza wowumitsa manyowa a nkhumba ndi zida zoziziritsira kungathandize kuchepetsa chinyezi cha feteleza, kuti zikhale zosavuta kusunga ndi kunyamula.Zipangizozi zingathandizenso kuti fetereza ikhale yabwino pochepetsa kuwonongeka ndi kuipitsidwa.Mitundu yeniyeni ya zipangizo zowumitsira ndi zoziziritsira zomwe zimagwiritsidwa ntchito zimadalira chinyezi chomwe mukufuna komanso zofunikira za ntchitoyo.