Floating aquatic feed pellet extruder clogging thaum lub sij hawm tas mus li ntau lawm yog ib qho teeb meem loj uas cuam tshuam kev lag luam, khib nyiab raw khoom, thiab txo cov khoom tawm los. Nws tuaj yeem ua rau cov nqi poob qis, kev siv hluav taws xob ntau ntxiv, thiab kev puas tsuaj rau cov khoom siv, cuam tshuam tsis zoo rau kev tsim khoom thiab kev ua tau zoo.
Paub meej
I. Tshwj xeeb Phenomena ntawm Blockage hauv Nruam Extruder Production
Phenomenon Description:
Hauv kev tsim khoom tas mus li, kev thaiv feem ntau tshwm sim tom qab 1-4 teev ntawm kev ua haujlwm ib txwm:
- Kev tso tawm qeeb: Qhov tso tawm nrawm maj mam txo qis, qee zaum txawm tias nres tag nrho.
- Nce Chamber Siab: Lub siab nyob rau hauv lub tshuab chamber nce dheev, feem ntau tshwm simkev tiv thaiv overloadthiab kaw.
- Abnormal Vibration & Suab nrov: Lub tshuab vibrates ntau dhau, thiab cov suab nrov txawv txav yuav hnov los ntawm lub chamber.
- Khoom Backflow: Cov ntaub ntawv pib rov qab los ntawm cov khoom noj khoom haus, thiab cov pa tawm tuaj yeem pom.
- Clogged Tuag & Pub Qhov: Thaum kaw thiab disassembly, koj yuav pomcarbonized cov ntaub ntawv, agglomerated raw khoom, thiab cloggedtuag qhovthiabpub qhov.
- Ntsia Hlau nplaum: Lub tes tsho thiab cov ntsia hlau tuaj yeem daig, ua rau qhov teeb meem hnyav dua.
II. Cov laj thawj tseem ceeb ntawm Extruder Blockage Thaum Nruam Ntau Lawm
1. Raw Material Quality fluctuations
- Ua rau: Cov kev hloov pauv ntawm cov khoom siv raw, tshwj xeeb tshaj yog tom qab kev hloov kho lossis kev hloov pauv, tuaj yeem ua rau tsis sib xwsnoo noo cov ntsiab lus, particle loj, thiabimpurities.
- Qhov tshwm sim: Cov kev hloov pauv no ua rau cov gelatinization tsis sib xws thiab cov dej ntws tsis zoo, ua rau cov khoom siv agglomerate thiab txhaws cov tuag thiab cov kab noj.
- Kev cuam tshuam: Qhov no yog lub luag haujlwm rau38% ntawm blockagesthaum lub sij hawm tas mus li ntau lawm.
2. Cov txheej txheem tsis ruaj khov
- Ua rau: Hloov pauvchav siab(qis dua 0.3 MPa lossis siab dua 0.5 MPa) thiabkev pub mis tsis sib haumtuaj yeem ua rau cov khoom tsis sib xws gelatinization.
- Qhov tshwm sim: Qee cov khoom dhau los -gelatinized (nplaum), thaum lwm tus nyob hauv qab -gelatinized, ua raucommulation thiab clogging.
- Qhov kub thiab txias: Yog tiasmilling chamber kubyog inconsistent, cov cheeb tsam tuaj yeem kub dhau, ua raucarbonization ntawm cov khoomthiab blockages.
3. Cov Khoom Siv Khoom Siv Hnav lossis ua haujlwm tsis zoo
- Ua rau: Nyob rau lub sijhawm,ntsia hlauthiabntsia hlau tes tshohnav tawm, txo extrusion thiab shearing efficiency.Lubrication systemtsis ua haujlwm nce kev ua haujlwm tsis kam, thaum muaj teeb meem nrog raucua txias systemua rau kom kub siab dua hauv lub tshuab chamber.
- Qhov tshwm sim: Tsis txaus siab thiab ntws ua raucov ntaub ntawv khaws cia. Hnav ntawm qhov tseem ceeb xws li cov ntsia hlau thiab lub taub hau tuag exacerbates qhov teeb meem los ntawm kev tiv thaiv lub tshuab los ntawm thawb cov khoom mus rau pem hauv ntej zoo.
- Kev cuam tshuam: Cov khoom maj mam txhaws qhov tuag qhov chaw thiab qhov chaw pub, ua rau tag nrho cov blockage yog tias tsis hais txog.
4. Kev ua haujlwm tsis txaus & Kev tu vaj tse
- Ua rau: Tsis muaj kev tshuaj xyuas niaj hnub thiabkev kho tam sim ntawdpub ceev lossis ntsia hlau ceev tuaj yeem cuam tshuam qhov ntws, ua rausiab imbalances.
- Qhov tshwm sim: Yog tias tsis muaj kev saib xyuas kom zoo, cov khoom seem tuaj yeem sib sau ua ke thiab ua rau muaj kev thaiv thaum lub sijhawm ua haujlwm txuas ntxiv.
- Kev cuam tshuam: Kev ua tsis tau raws sijhawm tu thiab tu ncaj qha ua rau muaj qhov txhaws tsis tu ncua.
III. Cov kev daws teeb meem thiab ntev - Lub Sij Hawm Kho Lub Sij Hawm los tiv thaiv kev thaiv hauv kev tsim khoom txuas ntxiv Extruder
Cov kauj ruam tuav xwm ceev (yuav tsum tau ua tam sim)
- Nres Lub Tshuab: Tshem tawm lub hwj chim tam sim ntawd kom tsis txhob muaj kev puas tsuaj ntxiv.
- Kaw lub Steam Valve: Tiv thaiv kom tsis txhob muaj pa tawm thiab kub hnyiab los ntawm cov khoom kub -.
- Hnav cov iav tiv thaiv: Xyuas kom txhua tus neeg ua haujlwm hnavsiab -cov hnab looj tes tiv taus kubthiabdaim npog qhov ncauj tiv thaivkom tsis txhob hlawv.
- Disassemble cov ntsiab lus tseem ceeb: Ntxuav lubtuag taub hau, distributor phaj, thiabmanifold. Tshem tawm ib qhocov khoom txawv teb chaws, coke qog, los yogkhoom daig.
- Tsis txhob yuam cov ntsia hlau- maj mam ntxuav nws los ntawm cua sov thiab gelatinizing los tiv thaiv kev puas tsuaj.
- Xyuas Cov Ntsiab Cai: Tshawb xyuas lubchav, lubrication, thiabcua txias tshuabrau qhov txhaum. Kho lawv tam sim ntawd kom rov ua haujlwm.
- Reinstall Components: Tom qab ntxuav, rov ua lub tshuab, ua atsis muaj -load test run, thiab tom qab ntawd rov pib ua haujlwm maj mam los tiv thaiv cov teeb meem yav tom ntej.
Kev tswj ruaj khov ntawm cov txheej txheem Parameter
- Chav Siab: Saib xyuas chav siab tsis tu ncua thiab tswj nws nyob rau hauv qhov kev pom zoo ntawm0.3-0.5 MPa. Qhov no ua kom lub zog ruaj khov thiab qhuav qhuav, tiv thaiv cov dej noo ntau dhau uas tuaj yeem cuam tshuam gelatinization.
- Pub & Ntsia Hlau Ceev: Xyuas kom qhov ceev ceev yog synchronized nrog cov ntsia hlau ceev thiab milling chamber kub kom tsis txhob muaj qhov tsis sib xws uas ua rau cov khoom tsub zuj zuj.
- Milling Chamber Kub: Khaws qhov kub thiab txias tsis tu ncua ntawm150-180 degree. Kho qhov ntsuas cua sov kom sai yog tias qhov kub thiab txias tshwm sim, txhawm rau tiv thaiv dhau - lossis qis dua -gelatinization.
Cov cuab yeej tu thiab tshuaj xyuas kom zoo
- Kev soj ntsuam niaj hnub: Teeb tsa a30-feeb tshuaj xyuas lub sijhawmtxhawm rau txheeb xyuas yam tseem ceeb xws li kev tso tawm tuag, lub zog siab, qhov kub thiab txias, thiab kev hloov pauv tam sim no.
- Tuag & Pub Qhov Ncauj Tu: Tom qab txhua lub voj voog ntau lawm,ntxuav qhov tuag qhov thiab pub qhovkom huv si kom tsis txhob txhaws.
- Cov khoom siv tsis tu ncua: Tshawb xyuas qhov tsis zoo xws li cov ntsia hlau, lub tes tsho, thiab tuag tom qab txhua8 teev ntawm kev tsim khoom tas mus li. Hloov cov hnav- tawm ntawm qhov tam sim ntawd.
- Lubrication System: Tsis tu ncua ntxivtsim nyog lubricating rojmus rau lub lubrication system kom txo tau hnav thiab xyuas kom meej kev ua haujlwm du.
- Cooling System Check: Xyuas kom lub tshuab ua kom txias ua haujlwm zoo los tiv thaiv qhov kub thiab txias hauv chav milling uas ua rau carbonization.
Ntev -Kev Tiv Thaiv thiab Tswj Lub Sij Hawm
- Raw Material Testing: Tsim ibraw khoom kuaj systemsaib xyuasya raws, particle loj, thiabcov ntsiab lus impurityua ntej ua. Tsis lees paub cov khoom siv raw uas tsis ua raws li cov lus qhia tshwj xeeb los tiv thaiv kev txhaws.
- Cov txheej txheem ntau lawm: Tsim thiab ua raws li cov txheej txheem tsim khoom nruj me ntsis. Qhov no suav nroguniform raw khoom zoo, zoo ib yamkev teeb tsa parameter, thiabceev faj saib xyuasntawm cov txheej txheem variable los tiv thaiv kev cuam tshuam.
- Ncej -Cycle Cleaning: Xyuas kom huv huv ntawm tag nrho cov ntaub ntawv nyob rau hauv lub tshuab chamber, tuag lub taub hau, thiab manifold tom qab txhua ntau lawm khiav los tiv thaiv clumping thiab buildup.
- Teem sijhawm khoom siv tu: Ua cov cuab yeej kho kom zoo txhua lub hlis twg los daws cov teeb meem ua ntej lawv ua rau muaj teeb meem loj. Qhov no yuav pab tswj kev ua haujlwm zoo thiab txo lub sijhawm ntawm lub tshuab.
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