1.Kuyenga pulasitiki
Tanthauzo la pulasitiki: Chodabwitsa chomwe mphira umasintha kuchokera ku zinthu zotanuka kupita ku chinthu chapulasitiki motengera zinthu zakunja kumatchedwa pulasitiki.
(1)Cholinga Choyenga
a.Thandizani mphira yaiwisi kuti mukwaniritse pulasitiki inayake, yoyenera magawo amtsogolo a kusakaniza ndi njira zina
b.Gwirizanitsani pulasitiki ya rabara yaiwisi ndikuwonetsetsa kuti mphirayo ali wabwino
(2)Kutsimikiza kwa pulasitiki kofunikira: Mooney pamwamba pa 60 (theoretical) Mooney pamwamba pa 90 (zenizeni)
(3)Makina oyeretsera pulasitiki:
a. Chigayo chotsegula
Mawonekedwe: Kuchuluka kwa ntchito, kutsika kwapang'onopang'ono, kusagwira ntchito bwino, koma kumakhala kosinthika, ndi ndalama zochepa, komanso koyenera pakachitika zosintha zambiri Kuthamanga kwa ng'oma ziwiri za mphero yotseguka: kutsogolo kupita kumbuyo (1:1.15) -1.27)
Njira zogwirira ntchito: Njira yoyengetsa ya pulasitiki yopapatiza, kukulunga pulasitiki yoyenga, njira yokwera chimango, njira yapulasitiki yamankhwala
Nthawi yogwira ntchito: Nthawi youmba sayenera kupitirira mphindi 20, ndipo nthawi yoyimitsa magalimoto iyenera kukhala maola 4-8.
b.Chosakaniza chamkati
Mawonekedwe: Kuchita bwino kwambiri, kugwira ntchito kosavuta, kutsika kwamphamvu kwantchito, komanso pulasitiki yofanana. Komabe, kutentha kwakukulu kungayambitse kuchepa kwa thupi ndi makina a zinthu za rabara
Njira yogwirira ntchito: Kuyeza → Kudyetsa → Kupaka pulasitiki → Kutulutsa → Kubwerera → Kubwerera → Kukanikiza → Kuziziritsa ndi kutsitsa → Kusunga
Nthawi yogwira ntchito: Mphindi 10-15 Nthawi yoyimitsa: Maola 4-6
(4)Nthawi zonse mphira wapulasitiki
Zida za mphira zomwe nthawi zambiri zimafunika kupangidwa ndi monga NR, NBR yolimba, labala yolimba, ndi omwe ali ndi chiwerengero cha Mooney cha 90 kapena pamwamba.
2.Kusakaniza
Tanthauzo la kusakaniza ndikuwonjezera zowonjezera zowonjezera ku mphira kuti apange mphira wosakanikirana
(1)Tsegulani chosakaniza kuti musakanize
a.Kukulunga chogudubuza: Manga mphira yaiwisi kutsogolo ndikukhala ndi njira yayifupi yotenthetsera mphindi 3-5.
b.Kudya: Onjezani zowonjezera zomwe ziyenera kuwonjezeredwa mwadongosolo linalake. Mukawonjezera, samalani ndi kuchuluka kwa guluu wosonkhanitsidwa. Zochepa zimakhala zovuta kusakaniza, pamene zambiri zidzagudubuza ndipo sizikhala zosavuta kusakaniza
Kudyetsa motsatizana: mphira yaiwisi → wothandizira, wothandizira wothandizira → sulfure → kudzaza, kufewetsa, dispersant → pokonza chithandizo → accelerator
c.Njira yoyeretsera: imatha kusakanikirana bwino, mwachangu, komanso molingana
Njira ya mpeni: a. Njira ya mpeni woyezera (njira zisanu ndi zitatu za mpeni) b. Njira yokulunga katatu c. Njira yokhotakhota d. Njira yopangira gluing (njira yoyenda mpeni)
d.Njira yowerengera kuchuluka kwa mphero yotseguka ndi V = 0.0065 * D * L, pomwe V - voliyumu D ndi mainchesi a chogudubuza (cm) ndi L ndi kutalika kwa chogudubuza (cm)
e.Kutentha kwa wodzigudubuza: 50-60 madigiri
f.Nthawi yosakaniza: Palibe lamulo lachindunji, zimatengera luso la wogwiritsa ntchito
(2)Kusakaniza kwamkati:
a.Kusakaniza kwa siteji imodzi: Pambuyo pa gawo limodzi la kusakaniza, kusakaniza kumakhala motere: mphira yaiwisi → zinthu zazing'ono → zowonjezera zowonjezera → zofewa → kutulutsa mphira → kuwonjezera sulfure ndi accelerator papepala losindikizira → kutsitsa → kuziziritsa ndi kuyimitsa magalimoto
b.Kusakaniza kwa siteji yachiwiri: Kusakaniza mu magawo awiri. Gawo loyamba ndi rabara yaiwisi → zinthu zazing'ono → chothandizira → chofewetsa → kutulutsa labala → kukanikiza piritsi → kuziziritsa. Gawo lachiwiri ndi rabara ya amayi → sulfure ndi accelerator → kukanikiza piritsi → kuziziritsa
(3)Nkhani zabwino zomwe zimakhala ndi rabala wosakanikirana
a.Compound agglomeration
Zifukwa zazikulu ndi izi: kuyenga kosakwanira kwa rabara yaiwisi; Kuthamanga kwambiri kwa roller; Kuchuluka zomatira mphamvu; Kutentha kwambiri kwa roller; Pawiri ufa uli coarse particles kapena masango;
b.Kuchuluka kapena kusakwanira kukokera kwapadera kapena kugawa kosafanana
Chifukwa: Kuyeza molakwika kwa chinthu chophatikiza, kusakaniza kolakwika, kusiyidwa, kuwonjezera kolakwika kapena kusiyidwa pakusakaniza.
c.Utsi chisanu
Makamaka chifukwa kwambiri ntchito zina zina, amene kuposa solubility awo mu mphira firiji. Pakakhala kudzaza koyera kwambiri, zinthu zoyera zimapoperanso, zomwe zimatchedwa kupopera mbewu mankhwalawa
d.Kuuma kwambiri, kutsika kwambiri, kosafanana
Chifukwa chake ndikuti kuyeza kwa ma vulcanizing agents, accelerators, softeners, reinforging agents, ndi rabara yaiwisi sikolondola, ndipo kumayambitsidwa ndi kuwonjezereka kolakwika kapena kuphonya, zomwe zimapangitsa kusakanikirana kosiyana ndi kuuma kosagwirizana.
e.Kuwotcha: Chochitika choyambirira cha vulcanization cha zida za mphira
Chifukwa: Kuphatikiza kosayenera kwa zowonjezera; Kusakaniza kosayenera kwa mphira; Kuzizira kosayenera ndi kuyimika magalimoto; Zotsatira zanyengo ndi zina
3.Sulfurization
(1)Kuperewera kwa zinthu
a.Mpweya pakati pa nkhungu ndi mphira sungathe kutulutsidwa
b.Kulemera kosakwanira
c.Kupanikizika kosakwanira
d.Kusayenda bwino kwa zinthu za rabara
e.Kutentha kwambiri kwa nkhungu ndi zinthu zalabala zowotchedwa
f.Kutentha koyambirira kwa zinthu za rabara (zakufa)
g.Makulidwe azinthu osakwanira komanso kuyenda kosakwanira
(2)Makutu ndi pores
a.Kusakwanira vulcanization
b.Kupanikizika kosakwanira
c.Zonyansa kapena madontho amafuta mu nkhungu kapena zinthu za rabara
d.Kutentha kwa nkhungu kwa vulcanization ndikokwera kwambiri
e.Chothandizira chochepa kwambiri chowonjezedwa, kuthamanga kwa vulcanization ndikodekha
(3)Khungu lolemera ndi kusweka
a.Kuthamanga kwa vulcanization ndikothamanga kwambiri, ndipo kutuluka kwa mphira sikukwanira
b.Mitundu yakuda kapena madontho omatira
c.Kudzipatula kwambiri kapena kumasula
d.Kusakwanira makulidwe a zomatira zakuthupi
(4)Kuwonongeka kwa katundu
a.Kutentha kwakukulu kwa nkhungu kapena kukhudzana ndi sulfure kwa nthawi yayitali
b.Mlingo wambiri wa vulcanizing agent
c.Njira yogwetsera ndiyolakwika
(5)Zovuta kukonza
a.Mphamvu yong'ambika ya chinthucho ndiyabwino kwambiri (monga zomatira zolimba kwambiri). Kukonzekera kovuta kumeneku kumawonetseredwa ndi kulephera kuchotsa ma burrs
b.Mphamvu ya mankhwalawa ndi yochepa kwambiri, imawonetsedwa ngati m'mphepete mwa brittle, yomwe imatha kung'amba mankhwalawo
Nthawi yotumiza: Apr-16-2024
