Hauv kev ua haujlwm ntawm aTxiv tsawb screen, qhov screen phaj yog cov tseem ceeb tivthaiv uas tau nkag mus rau hauv kev sib cuag nrog cov khoom siv. Nws cov kev ua tau zoo ncaj qha kev kuaj pom kev ua tau zoo, cov cuab yeej ruaj khov thiab cov nqi txij nkawm.
Txawm hais tias nyob rau hauv cov thee sib cais, ore kev faib tawm lossis tsim cov khoom kuaj cov xwm txheej, xaiv cov phiaj duab sab xis tuaj yeem ua rau muaj kev ua tau zoo ntawm cov manana screen. Ntawm qhov tsis sib xws, teeb meem xws li txhaws qhov, cov kev ntsuas nquag thiab cov kev ntsuas kev ntsuas pom qhov tseeb yuav tshwm sim.
Kab lus no yuav tshawb xyuas cov xaiv logic ntawm cov txawb screen screen phaj los ntawm peb qhov tseem ceeb qhov ntev: cov khoom, loj thiab lub neej txij nkawm. Nws yuav pab koj kom tsis txhob xaiv qhov yuam kev.
Xaiv lub pob zeb hauv paus
Tus tseem ceeb ntawm cov txiv tsawb cov lus dag nyob rau hauv "cov khoom siv tau zoo sib cais", thiab lub phaj ntsuas yog cov cab kuj tseem ceeb uas ua rau cov haujlwm no.
Ntawm ib sab tes, cov kev cuam tshuam tsis kam ntawm lub vijtsam npog ncaj qha cuam tshuam rau kev hloov tsheb ua haujlwm, uas yuav ua rau kev hloov ua haujlwm, uas yuav cuam tshuam rau kev ua haujlwm ntawm cov kab ntau lawm. Ntawm qhov tod tes, lub peev xwm ntawm lub vijtsam phaj kom tiv thaiv kev thaiv kom tiv thaiv tau txuas ncaj qha rau qhov ntsuas qhov tseeb. Thaum lub vijtsam qhov screen yog txhaws, tsis tsuas yog kuaj pom kev ua tiav poob qis, tab sis nws tseem tuaj yeem ua rau cov khoom ntxiv txuam thiab cov khoom siv dhau.
Yog li ntawd, thaum xaiv lub vijtsam phaj, tsis yog peb yuav tsum xav tias "muaj peev xwm siv nws", tab sis kuj siv zog rau "siv zoo thiab ntev ntev". Qhov no yuav nteg ib lub hauv paus rau qhov ruaj khov thiab ua haujlwm tau zoo ntawm cov txiv tsawb screen txij thaum pib.
Cov khoom siv xaiv
Kev xaiv ntawm cov khoom siv ntawm cov khoom siv phaj yuav tsum tsom rau plaub qhov yuav tsum tau ua rau "hnav tsis kam, anti {{m} clogging, thiab kev siv hluav taws xob tsawg. Tam sim no, cov ntaub ntawv sib tw loj tshaj plaws ntawm lub lag luam suav nrog Polyurethane, thiab cov kev xaiv polyurethane, tau dhau los ua kev xaiv cov ntxaij teb.
Cov Khoom Siv Polyurethane
⑴. Hnav Zoo Tshaj Kuj
Cov qauv molecular ntawm polyurethane elastomer muaj siab elasticity thiab tawv. Thaum ntsib cov ntaub ntawv abrasive xws li thee thiab ores, nws tuaj yeem ua kom zoo districal kev ntxhov siab. Nws cov kev coj tsis kam deb tshaj li ntawm cov phiaj hlau hlau zoo tib yam. Raws li cov kev ua haujlwm qub, cov kev pabcuam lub neej ntawm polyurethane cov phiaj hlau tuaj yeem ncav qhov kev hloov pauv thiab cov nqi ua haujlwm.
- ⑵. Cov Kev Tiv Thaiv Zoo Tshaj
Thaum cov ntaub ntawv poob los ntawm cov khoom pub, lawv yuav ua rau muaj kev cuam tshuam qee yam cuam tshuam rau ntawm lub phaj screen. Cov polyurethane khoom nws tus kheej muaj zoo ywj kev ua tau zoo, uas tiv thaiv lub zog hluav taws xob, tshwj xeeb yog tsim nyog rau kev sib ntaus loj- Cov ntaub ntawv nyuaj.
- ⑶. Zoo heev anti -} clogging nyhuv
Cov ntaub ntawv ntub dej (xws li ntub dej thee) yog nquag ua rau lub vijtsam phaj vim muaj cov nplaim thaiv kom nruj. Qhov saum npoo ntawm polyurethane npo lub phaj yog tus thiab muaj kev elasticity me me, ua rau nws tsis tshua muaj rau cov ntaub ntawv los lo rau thaum ntsuas; Nyob rau tib lub sijhawm, lub vijtsam lub vijtsam yuav yauv txawv txawv thaum lub sijhawm kev co, uas tuaj yeem "ua kom pom tseeb rau ntawm ntug kev pom zoo thiab ua kom pom kev txuas ntxiv.
- ⑷. Lub Hnav Txom Nyem
Piv rau Hlau Screen daim hlau, qhov hnyav ntawm polyurethane cov khoom siv sib zog (li 1/3 ntawm qhov chaw ua haujlwm loj heev ntawm lub txiv tsawb lub thawv, kev siv hluav taws xob zoo; Tsis tas li ntawd, cov cuab yeej zoo ntawm polyurethane cov khoom tuaj yeem nqus cov kev co thiab suab nrov hauv kev ua haujlwm tau los ntawm 5-10 decibels cov kab muaj kev tiv thaiv.
Kev sib piv ntawm lwm cov ntaub ntawv
- ⑴. Stainless hlau Screen Phaj:Nws muaj cov zoo corrosion tsis kam, tab sis nws cov coj tsis kam yog qis dua li ntawm polyurethane. Thaum cuam tshuam nrog cov khoom muaj abrasive, nws cov kev pabcuam lub neej luv dua, thiab cov saum npoo yog nquag mus rau cov khoom nplaum thiab cov phom sij blockage. Nws yog qhov tsim nyog rau kev ua kom qhuav thiab tsis-}}} nplej cov ntaub ntawv.
- ⑵. Lub Phaj Dig Hlau Vijtsam: Nws muaj tus nqi qis dua, tab sis nws cov kev coj tsis kam yog neeg pluag, thiab nws yog hnyav. Nws yog nquag mus rowing thiab tau txhaws, thiab tsuas yog tsim nyog rau luv-} log yooj yim soj ntsuam scenarios. Nws tsis tuaj yeem ntsib ntev - kev ua haujlwm thiab cov haujlwm ua haujlwm tau zoo ntawm cov ntxaij av.
Zuag qhia tag nrho, cov khoom siv ntawm polyurethane hauv "Hnav tsis kam, ant {}} kev siv hluav taws xob, thiab qis zog ua tau raws li cov kev ua haujlwm ntawm cov ntxaij ua haujlwm ntawm cov ntxaij ua haujlwm ntawm cov ntxaij ua haujlwm ntawm cov ntxaij ua haujlwm ntawm cov ntxaij ua haujlwm. Nws yog qhov tshwj xeeb tshaj yog tsim nyog rau cov khoom siv nyuaj xws li thee thiab tsuas.
Meej haum thiab kev yoog
Kev xaiv ntawm lub vijtsam phaj ntev yog lub ntsiab lus hais txog "meej phim" {}} nws xav tau phim ob sab sieve specifications ntawm lubTxiv tsawb screenthiab kev tshuaj xyuas cov ntaub ntawv. Ib qho kev sib txawv ntawm ob qho kev pom yuav cuam tshuam qhov tshwm sim ntawm kev soj ntsuam.
(1) Qhov Loj Loj Sib Tw
Qhov tshwj xeeb (ntev × dav) ntawm sab cib nto ntawm txiv tsawb screen yog tsau. Qhov ntev thiab dav qhov ntev ntawm lub vijtsam phaj yuav tsum muaj raws li nws. Yuav tsum tsis muaj teeb meem uas "nws loj dhau kom haum lossis me me kom tawm tsis muaj qhov sib txawv".
Yog tias qhov loj me ntawm lub vijtsam phaj yog qhov me me dhau, tom qab kev teeb tsa, yuav muaj kev sib txawv ntawm lub phaj screen thiab cov thav duab ntawm sab cib nto. Cov ntaub ntawv yuav xau los ntawm kev sib txawv, uas tsis yog ua rau cov khoom siv pov tseg tab sis kuj yuav tau daig hauv qhov sib txawv, ua rau deformation ntawm lub vijtsam phaj. Yog tias qhov loj me ntawm lub vijtsam phaj yog loj heev, yuam kev txhim kho nws yuav ua rau nws lub rooj sib tham tau zoo, thiab txawm cuam tshuam rau qhov kev co ntawm lub sieve thawv.
Yog li ntawd, ua ntej xaiv cov qauv, lub thav duab sab hauv loj me ntawm cov sab cib ntawm lub pob zeb tsawb uas yuav tsum tau paub tias tus duab sab vijtsam zoo sib xws. Tom qab kev teeb tsa, nws yuav tsum tau txuas nrog yam tsis tau xoob tsis txhob xoob lossis cov khoob.
(2) Kev txiav txim siab ntawm lub vijtsam qhov loj me
Qhov loj me ntawm lub vijtsam ncaj qha cuam tshuam cov kev kuaj xyuas qhov tseeb. Nws yuav tsum tau xaiv raws li "lub hom phiaj sib cais particle loj":
- Xws li kev ntsuas coeoe (sib cais ntawm cov impurities loj):Yog tias koj xav tau tshem tawm cov impurities loj los ntawm cov khoom tawg hauv cov pob zeb pob zeb loj hauv cov thee), lub phaj screen nrog cov ntawv me me yuav tsum tau xaiv. Piv txwv li, yog tias kev tsis txaus siab ntau dua 50 hli yuav tsum tau sib cais, lub phaj screen nrog rau cov khoom siv loj uas tau txais txiaj ntsig zoo thiab muaj peev xwm cuam tshuam tau zoo thiab tsim nyog tau cov khoom zoo dhau los ntawm txoj kev ntseeg tau zoo.
- Hais txog kev tshuaj ntsuam zoo (muab cov ntaub ntawv nplua):Yog tias koj xav tau cov ntaub ntawv zoo ntawm qhov loj me me (xws li cov khoom zoo ntawm<10mm in ores), a screen plate with a smaller aperture should be selected. For example, a 10mm aperture screen plate can be used. This ensures that only the fine particles that meet the requirements pass through the screen holes and meet the particle size requirements of the subsequent processes.
Nco tseg: Qhov luaj li cas ntawm qhov screen qhov tsis yog "tus me dua, qhov tseeb dua". Yog hais tias lub aperture yog tsawg heev, nws yuav ua rau kev pheej hmoo ntawm kev thaiv; Yog tias aperture loj dhau lawm, nws yuav tsis muaj peev xwm ua tiav qhov ntsuas qhov tseeb thiab qhov nyiaj tau yuav tsum tau ua kom muaj raws li qhov ua tau.
(3) kev txiav txim siab ntawm kev tshuaj ntsuam lub tsom kwm
Kev npaj ntawm lub vijtsam vijtsam (xws li qhov ceev ntawm kev npaj, thaj chaw kuaj pom zoo dua qub, cov khoom siv tshuaj ntsuam xyuas cov khoom siv tau zoo dua, thiab qhov ntsuas tau zoo dua.
Lub vijtsam ib qho kev qhia kev lees paub muaj xws li cov txheej txheem sib npaug, thiab lwm yam.
● Qhov screen lub qhov rooj sib txig sib luag yog tus muaj kev sib npaug ntau tshaj li 10% -15% siab dua li cov xwm txheej sib luag, haum rau cov xwm txheej zoo nrog kev ntsuas tau zoo;
● Qhov screen qhov ua ntu zus yog yooj yim rau cov txheej txheem thiab muaj cov kev xav tau me me nrog cov kev xav tau qis dua thiab cov khoom loj me me ntawm cov khoom siv.
Thaum xaiv, koj tuaj yeem xaiv cov vijtsam tsim nyog los qhia raws li lub hauv paus ntsiab lus ntawm "qhov tseem ceeb ntawm kev ua tau zoo" lossis "muaj feem ua tau zoo ntawm cov txiv tsawb.
Yuav ua li cas thiaj ua lub vijtsam phaj "ntev dua"
Xaiv lub vijtsam zoo yog tsuas yog thawj kauj ruam. Kev tswj hwm thiab saib xyuas cov haujlwm ua haujlwm thaum siv txhua hnub tuaj yeem cuam tshuam rau lub neej pabcuam ntawm lub vijtsam phaj. Mastering cov ntsiab lus hauv qab no tuaj yeem ua kom zoo txuas ntxiv kev pabcuam lub neej ntawm lub vijtsam phaj thiab txo cov nqi ua haujlwm thiab cov nqi tswj.
Cuam tshuam ntawm cov yam ntxwv
Lub hardness ntawm cov khoom siv thiab cov ntsiab lus ntawm impurities yog cov ntsiab lus tseem ceeb ua rau hnav ntawm lub vijtsam phaj:
- Qhov siab dua ntawm cov khoom siv (xws li hlau ee, basalt), qhov ntau dua qhov kev sib txhuam, thiab nrawm dua ntawm lub vijtsam phaj;
- Yog tias cov khoom siv muaj cov nyiaj tsis zoo ntawm cov khib nyiab loj (xws li cov khib nyiab hlau), nws yuav khawb qhov chaw ntawm lub vijtsam ntawm lub vijtsam.
Countermeasures:
- Yog hais tias cuam tshuam nrog siab - cov ntaub ntawv hardness, "ntxiv cov khoom siv zog
- Ua ntej pub inlet, ntxiv ib qho pre - kev cais tawm, kom tshem cov ntaub ntawv ntse thiab kev puas tsuaj los ntawm cov khoom siv, txo qhov kev puas tsuaj rau lub vijtsam phaj.
Cov txheej txheem kev ua haujlwm rau kev lees paub
Cov haujlwm tsis xwm yeem yuav nce ntxiv cov thauj khoom ntxiv rau ntawm lub vijtsam phaj, ua kom luv nws lub neej:
- Yog tias cov ceev ceev yog nrawm heev, nws yuav ua rau ntau dhau ntawm cov ntaub ntawv ntawm sab cib phaj, ua kom muaj peev xwm ua kom muaj peev xwm deformation thiab hnav ntawm lub vijtsam phaj;
- Yog tias cov ntaub ntawv yog biasedly loaded (tsuas yog los ntawm ib sab ntawm sab cib sab nraud), nws yuav ua rau tsis ncaj ncees lub zog, thiab ib qho chaw nyob "ib sab yog lawm thaum lwm tus raug puas tsuaj" tshwm sim.
Countermeasures:
- Tswj cov khoom noj kom ceev kom ntseeg tau tias cov khoom faib ua ke ntawm cov sab cib, nrog ib qho tuab ntawm 50-100mm (kho raws li cov ntaub ntawv specifications ntawm lub vijtsam phaj);
- Kho cov chaw nres nkoj pub mis kom ntseeg tau tias cov ntaub ntawv tuaj yeem npog cov sab cib sab nraud, tsis txhob muaj chaw thau khoom sab cib, tsis txhob muaj chaw thau khoom sab cib, tsis txhob muab cov khoom hluav taws xob sab cib, tsis txhob muab cov khoom hluav taws xob.
Cov ntsiab lus tseem ceeb ntawm kev saib xyuas txhua hnub
Tsis txaus ntseeg txhua hnub tuaj yeem hloov cov teeb meem me me ua cov teeb meem me me:
- Yog tias cov ntaub ntawv uas tseem tshuav ntawm lub vijtsam platrace tsis tau meej nyob rau lub sijhawm, lawv yuav tsim cov qog ntawm lub phaj screen, ua kom muaj kev sib txhuam tsis tau thiab nrawm nrawm ntawm lub vijtsam phaj;
- Yog hais tias conjing bolts ntawm lub vijtsam potbecome xoob, lub vijtsam lub vijtsam yuav sib tsoo nrog cov ncej thaum lub sijhawm kev co, ua rau ntug puas;
- Yog tias ib qho kev tawg me me tshwm sim ntawm lub vijtsam txias yog tsis hloov nyob rau lub sijhawm, cov kab tawg yuav maj mam nthuav tawm thiab thaum kawg ua rau qhov tsis ua haujlwm ntawm lub vijtsam phaj.
Countermeasures:
- Tom qab kaw txhua hnub, huv si cov ntaub ntawv tseem ceeb ntawm lub vijtsam plaitface, kuaj seb lub sieve qhov thaiv, thiab yog tias muaj, tshem cov kev thaiv nyob rau lub sijhawm;
- Txheeb xyuas cov kev txhim kho bolts ntawm lub vijtsam clapevery, thiab zawm lawv nyob rau lub sijhawm yog tias lawv xoob;
- Nquag tshuaj xyuas cov nplaim xoo phaj. Yog tias cov kab nrib pleb lossis kev puas tsuaj yog pom, txawm tias thaj chaw me, lawv yuav tsum tau hloov nyob rau lub sijhawm kom tsis txhob muaj kev cuam tshuam tag nrho cov kev ntsuas tag nrho.
Xaiv lub vijtsam zoo phaj thiab ob chav ua haujlwm
Thaum xaiv cov tsawb screen phaj, nws yog qhov tsim nyog yuav tsum tau txiav txim siab "cov kev cai uas yuav tsum tau ua":
- ● Yog tias cuam tshuam nrog cov khoom siv abrasive thiab cov ntaub ntub dej (xws li ntub dej tawg, ores), uas tuaj yeem sib npaug kev tiv thaiv thiab qhov kev tiv thaiv lub qhov kev tiv thaiv;
- ● Yog tias qhov ntsuas qhov tseeb yog qhov siab, nws yog qhov tsim nyog kom pom tseeb qhov screen qhov me me thiab xaiv lub ntsuas hluavtaws tsim nyog nce ntxiv;
- ● Yog tias eting rau ntev -}- Kev ua haujlwm txhua hnub, tsis yog yuav tsum tau ua haujlwm zoo rau txuas ntxiv rau lub neej ntawm lub vijtsam phaj.
Hauv cov ntsiab lus, kev xaiv ntawm lubTxiv tsawb screenPhaj tsis yog "kev sib tw ib puag ncig", tab sis kev txiav txim siab ua haujlwm ntawm "cov khoom, loj, thiab txij nkawm". Xaiv, siv, thiab tswj cov vijtsam phaj kom raug tuaj yeem pab tau cov manana screen kom tau txais nws txoj kev ua haujlwm tau zoo thiab tiv thaiv cov haujlwm ua tau zoo ntawm cov kab ntau lawm.
