Cov tuag yog qhov tseem ceeb ntawm cov pellet zeb. Thiab nws yog tus yuam sij rauua noj pellets. Raws li kev txheeb cais tsis tiav, tus nqi ntawm cov pellet zeb tuag poob nyiaj ntau dua 25% ntawm cov nqi kho mob ntawm tag nrho cov kev cob qhia ntau lawm. Rau txhua qhov feem pua ntawm cov nqi nce ntxiv, koj qhov kev sib tw ua lag luam poob los ntawm 0.25%. Yog li cov pellet zeb specifications tseem ceeb heev.
Shanghai Zhengyi (CPSHZY) yog tus kws tshaj lijpub pellet zebtus neeg muag khoom hauv Suav teb. Peb muab lub nplhaib tuag pellet zeb, tiaj tus tuag pellet zeb thiab covpellet zeb qhov chaw, xws li ca tuag, nplhaib tuag, pellet zeb cov menyuam, thiab lwm yam rau lub tshuab pellet.
1.Pellet zeb tuag cov khoom
Lub pellet zeb tuag feem ntau yog ua los ntawm cov hlau, hlau alloy steel lossis stainless hlau los ntawm forging, machining, drilling qhov, thiab cov txheej txheem kho cua sov. Tus neeg siv tuaj yeem xaiv raws li qhov corrosion ntawm particle raw khoom. Cov khoom ntawm pellet zeb tuag yuav tsum yog ua los ntawm cov hlau alloy steel lossis stainless hlau nplhaib pwm.
Carbon structural steel, xws li 45 steel, nws cov kev kho cua sov hardness feem ntau yog 45-50 HRC, nws yog ib tug qis-qib nplhaib tuag cov ntaub ntawv, nws hnav tsis kam thiab corrosion kuj tsis zoo, tam sim no yeej tshem tawm.
Alloy structural steel, xws li 40Cr, 35CrMo, thiab lwm yam, nrog rau kev kho cua sov hardness saum 50HRC thiab zoo integrated mechanical zog. Cov tuag ua los ntawm cov khoom no muaj lub zog siab thiab hnav tsis kam, tab sis qhov tsis zoo yog qhov corrosion kuj tsis zoo, tshwj xeeb tshaj yog rau cov ntses noj.
Tus nqi ntawm lub nplhaib tuag, uas yog ua los ntawm cov khoom siv, marigold pellets, ntoo chips, straw pellets, thiab lwm yam, yog ntau dua stainless hlau. Ob leeg 20CrMnTi thiab 20MnCr5 yog cov hlau tsis tshua muaj carburizing, ob qho tib si yog tib yam, tshwj tsis yog cov qub yog Suav hlau thiab cov hlau German tom kawg. Txij li Ti, cov khoom siv tshuaj, tsis tshua muaj nyob rau txawv teb chaws, 20CrMnTi lossis 20CrMn los ntawm Tuam Tshoj yog siv los ntawm 20MnCr5 los ntawm lub teb chaws Yelemees, yog li nws tsis poob nyob rau hauv lub Scope ntawm alloy structural steel. Txawm li cas los xij, cov txheej txheem hardened ntawm cov hlau no tsuas yog txwv los ntawm cov txheej txheem carburizing mus rau qhov siab tshaj plaws ntawm 1.2 hli, uas kuj yog qhov zoo ntawm tus nqi qis ntawm cov hlau no.
Stainless hlau cov ntaub ntawv muaj xws li German stainless hlau X46Cr13, Tuam Tshoj stainless hlau 4Cr13, thiab lwm yam. Cov ntaub ntawv no muaj zoo zog thiab toughness, siab dua kub kho hardness tshaj carburized steels, hardened txheej dua carburized steels, thiab zoo hnav thiab corrosion kuj, ua rau lub neej ntev thiab. tus nqi siab dua li carburized steels. Vim lub neej ntev ntawm stainless hlau tuag steel, qhov hloov zaus yog tsawg thiab yog li tus nqi ib tonne tsawg.
Feem ntau, cov khoom siv tuag rau lub nplhaib tuag pellet zeb yog cov khoom siv hlau alloy thiab cov khoom tsis muaj steel hlau.
2.Compression ratio ntawm pellet zeb tuag
kuv = d/L
T = L + M
M yog qhov tob ntawm qhov txo qis
Qhov Compression ratio (i) yog qhov piv ntawm qhov tuag qhov taub (d) thiab ntev ntev (L) ntawm qhov tuag.
Raws li qhov xwm txheej ntawm cov khoom siv raw, qhov sib piv yog 8-15, tus neeg siv xaiv qhov sib piv compression ntawm qhov tuag, thiab kho qhov tshwj xeeb compression piv, xws li xaiv qhov sib piv me ntsis qis dua, uas yog qhov zoo rau kev ua kom cov zis, txo qhov kev siv hluav taws xob, txo qhov hnav ntawm lub nplhaib pwm, tab sis kuj txo qhov zoo ntawm cov khoom, xws li cov pellets tsis muaj zog txaus, cov tsos yog xoob thiab qhov ntev yog sib txawv, thiab cov hmoov nplej siab.
3.Qhib tus nqi ntawm lub nplhaib tuag
Qhov qhib tus nqi ntawm cov pellet zeb tuag yog qhov piv ntawm tag nrho cheeb tsam ntawm lub qhov tuag rau qhov zoo tag nrho cheeb tsam ntawm qhov tuag. Feem ntau, qhov siab dua qhov qhib ntawm qhov tuag, qhov siab dua qhov particle tawm los. Nyob rau hauv qhov kev pom zoo ntawm kev ua kom lub zog ntawm kev tuag, qhov qhib ntawm lub nplhaib tuag tuaj yeem txhim kho kom deb li deb tau.
Rau qee cov ntaub ntawv raw, nyob rau hauv cov xwm txheej ntawm qhov tsim nyog compression piv, pellet zeb tuag phab ntsa yog nyias dhau, yog li lub zog tuag tsis txaus, thiab qhov tshwm sim ntawm tawg tuag yuav tshwm sim hauv kev tsim khoom. Thaum lub sij hawm no, lub thickness ntawm lub nplhaib tuag yuav tsum tau nce nyob rau hauv lub premise ntawm kom ntseeg tau lub zoo ntev ntawm lub tuag qhov.
4.Kev sib txuam ntawm pellet zeb tuag thiab cov menyuam
Nws yog cov cuab yeej tseem ceeb tshaj plaws los txhim kho cov txiaj ntsig ntawm granulation thiab ua kom lub neej ntev ntawm cov tuag. Nws yuav tsum muaj 4 yam:
- Lub nplhaib tshiab tuag nrog cov menyuam siab tshiab, tsis txhob siv cov menyuam siab ntau dhau.
- Raws li qhov xwm txheej ntawm cov ntaub ntawv, tshuab hom yam ntxwv ntawm kev xaiv ntawm ntau hom ntawm cov menyuam siab, thiaj li ua tiav qhov zoo tshaj plaws extrusion efficiency ntawm cov tuag thiab yob.
- Tus yuam sij rau qhov sib txawv yog qhov ruaj khov thiab lub hauv paus ntsiab lus yog: yam tsis muaj kev cuam tshuam rau lub peev xwm, sim so kom txaus.
- Tswj kev pub noj ceev, kho qhov ntev thiab luv txoj hauj lwm ntawm kev pub noj scraper los tswj txoj hauj lwm pub, cov khoom txheej txheej.
5.Pellet zeb tuag txheej txheem ua
Lub nplhaib tuag qhov yog qhov xav tau heev ntawm cov khoom siv thiab kev ua haujlwm, thiab rau cov hlau tsis muaj steel, cov cuab yeej siv phom tshwj xeeb thiab cov khoom siv kho cua sov yuav tsum tau tsim cov nplhaib tuag zoo. Lub tshuab nqus tsev quenching txheej txheem zoo heev tuaj yeem txhim kho qhov rigidity, hardness, abrasion tsis kam, qaug zog thiab toughness ntawm steel. Txawm li cas los xij, lub peev xwm los lav qhov sib npaug hardness txheej rau txhua qhov tuag yuav tsum muaj kev ua haujlwm siab thiab kev paub ntev.
6.Cov tuag nto roughness ntawm sab hauv phab ntsa ntawm lub qhov tuag
Nto roughness kuj yog ib qho tseem ceeb qhia txog lub nplhaib tuag zoo. Feem ntau, tus nqi me me ntawm cov phab ntsa sab hauv qhov roughness yuav txhim kho qhov zoo ntawm qhov haum, txo qhov hnav thiab txuas ntxiv lub neej ntawm lub nplhaib tuag, tab sis tus nqi ntawm kev ua lub nplhaib tuag yuav nce.
Lub nplhaib qhov roughness kuj cuam tshuam rau qhov sib piv compression thiab kev tsim ntawm cov khoom, nrog rau kev ua haujlwm ntau lawm. Nyob rau tib lub nplhaib tuag compression piv, qhov qis dua tus nqi roughness, qhov qis dua qhov kev tiv thaiv ntawm cov ntoo chips los yog pub, lub smoother tawm, qhov zoo ntawm cov pellets tsim thiab ntau dua cov efficiency. Lub nplhaib tuag qhov kev ua haujlwm zoo tuaj yeem ncav cuag 0.8-1.6 microns, lub nplhaib tuag roughness yog li 0.8 microns, lub tshuab raug ntawm cov khoom siv pov tseg, tsis muaj kev sib tsoo.
