Taw qhia

Lub raj xa dej rov qab tuaj yeem ua tsis tiav kev ua haujlwm tsuas yog tsis tau nqa ib tonne ntawm cov mined ore tshiab. Hauv cov mines kub hauv av, cov tailings ua tiav feem ntau rov qab los hauv av los sau cov mined - tawm qhov khoob thiab muab kev txhawb nqa hauv av. Cov txheej txheem txo tus nqi ntawm cov tailings uas yuav tsum tau khaws cia ntawm qhov chaw thaum pab lub mine tswj nws cov haujlwm hauv av.

Tab sis kev txav cov khoom no tsis yooj yim li kev siv dej los ntawm cov yeeb nkab. Lub slurry muaj cov khoom siv, thiab nws cov cwj pwm hloov pauv nrog cov concentration, particle tis, flow velocity thiab pipeline geometry. Thaum cov kev hloov pauv no tswj tsis tau zoo, lub tshuab thauj khoom tuaj yeem raug kev hnav ntau dhau, tsis ruaj khov los yog cuam tshuam rau cov khoom siv rov qab.

South Africa muaj keeb kwm ntev ntawm kev tshawb fawb txog qhov teeb meem no. Ib daim ntawv luam tawm nyob rau hauv lubPhau ntawv Journal ntawm Southern African Institute of Mining thiab MetallurgyHauv xyoo 1992 tau tshuaj xyuas cov khoom siv hauv cov kav dej rov qab siv cov tailings cais los ntawm Vaal Reefs East kub mine. The researchers investigated slurry relative density, velocity and pipe diameter, showing that pipeline wear needed to be understood as a system problem rather than simply a material problem.

Rau cov mines xav txog kev hloov cov yeeb nkab, qhov kev sib txawv no tseem ceeb. UHMWPE (ultra-siab-molecular- luj polyethylene)) muaj cov khoom uas tej zaum yuav muaj txiaj ntsig zoo hauv cov ntawv thov kev thauj mus los, tab sis xaiv nws ua tiav yuav tsum muaj kev nkag siab txog dab tsi tshwm sim hauv kab uas twb muaj lawm.

Tus nqi zais ntawm Tsiv Kub-Mine Tailings

Gold processing cais cov ntxhia muaj txiaj ntsig los ntawm cov pob zeb nyob ib puag ncig. Tom qab rov qab los, cov khoom seem yuav raug cais tawm, thickened los yog tov nrog binders ua ntej thauj mus rau hauv av raws li backfill.

Cov khoom siv nkag mus rau hauv lub raj xa dej rov qab yog li ntawd tsis tas yuav zoo ib yam li cov khoom pov tseg uas tsis tau kho. Nws cov particle- qhov loj me thiab cov khoom sib xyaw ua ke yog nyob ntawm theem ua thiab kev npaj.

Hauv kev faib tawm -tailings systems, ib feem me me yuav raug cais los ntawm cov khoom zoo dua. Hauv lwm qhov kev ua haujlwm, kev sib xyaw ua ke siab - sib tov los yog cemented paste yuav raug siv. Txhua formulation coj txawv txawv thaum thauj.

Ib lub raj xa dej tsim nyob ib ncig ntawm ib qho slurry tsis tuaj yeem raug suav tias tsim nyog rau lwm qhov.

Txoj kev tshawb fawb 1992 Vaal Reefs East yog qhov tshwj xeeb vim nws tau tshawb xyuas qhov kev sib raug zoo ntawm cov kav xa dej thiab peb qhov kev ua haujlwm sib txawv: slurry txheeb ze ntom ntom, ntws tshaj tawm thiab txoj kab uas hla. Daim ntawv kuj tau tham txog kev sib tw ntawm kev thauj cov tailings ntawm qhov ntim ntawm 36% thiab 46%.

Cov duab no piav qhia qhov kev tshawb fawb cov ntsiab lus ntsuas, tsis yog kev ua haujlwm thoob ntiaj teb rau South African kub mines. Lawv qhov tseem ceeb yog tias txawm tias qhov tshwj xeeb tailings kwj tuaj yeem xav tau kev soj ntsuam xyuas seb nws cov concentration thiab kev thauj mus los cuam tshuam li cas nrog cov yeeb nkab.

Nyeem qhov kev tshawb fawb thawj zaug:Kev ua haujlwm ntawm Backfill Pipelines, Phau ntawv Journal ntawm Southern African Institute of Mining thiab Metallurgy.

Yog vim li cas lub raj xa dej tsis sib xws

Ib lub yeeb nkab yuav zoo ib yam los ntawm sab nraud, tab sis cov xwm txheej hauv nws tsis tas yuav zoo ib yam raws nws qhov ntev.

Xav txog ib txoj kab rov qab uas ua haujlwm rau lub sijhawm ntev. Cov khoom siv txav nrog cov kua, tab sis lawv cov lus tsa suab yog nyob ntawm qhov loj me, qhov ntom ntom, concentration thiab cov dej ntws hauv zos. Qee cov khoom tseem raug tshem tawm; lwm tus yuav txav los ze rau ntawm phab ntsa yeeb nkab lossis cuam tshuam nrog nws ntau zaus.

Nyob rau tib lub sijhawm, cov kev sib cuam tshuam no tuaj yeem tshem tawm cov khoom ntawm sab hauv. Tus nqi thiab qhov chaw ntawm hnav yog nyob ntawm qhov slurry thiab cov kav dej tsim.

Peb qhov teeb meem tsim nyog tau txais kev saib xyuas tshwj xeeb.

Ua ntej, slurry tej zaum yuav tuab heev rau cov kev khiav hauj lwm uas twb muaj lawm.Kev ua kom cov khib nyiab ntau ntxiv hloov qhov sib tov qhov ntom thiab tuaj yeem hloov nws tus cwj pwm ntws. Hauv qee lub tshuab, qhov tshwm sim yog siab dua rau kev thauj mus los thiab kev xav tau ntau ntxiv ntawm cov twj tso kua mis lossis lub ntiajteb txawj nqus - flow arrangement.

Thib ob, kev khiav nrawm cuam tshuam nrog kev lag luam - tawm.Ib qho kev tshaj tawm uas tsawg dhau rau ib qho slurry tuaj yeem tso cai rau cov khib nyiab. Kev nce nrawm tuaj yeem pab tswj kev thauj mus los, tab sis nws tuaj yeem ua rau muaj kev cuam tshuam thiab hnav. Tsis muaj kev tshaj tawm thoob ntiaj teb uas daws teeb meem ob qho tib si rau txhua qhov system rov qab.

Thib peb, cov yeeb nkab txoj kab uas hla cuam tshuam ntau tshaj qhov muaj peev xwm txaus.Nyob rau tib lub volumetric flow rate, hloov lub internal txoj kab uas hla hloov qhov nruab nrab tshaj tawm. Txoj kab uas hla kuj cuam tshuam rau kev poob siab thiab kev coj tus cwj pwm ntawm cov khib nyiab. Xaiv cov yeeb nkab loj lossis me me yam tsis tau ntsuas qhov ua tiav tuaj yeem tsim qhov teeb meem sib txawv es tsis daws qhov qub.

Cov kev sib raug zoo no piav qhia yog vim li cas kev hloov cov yeeb nkab hnav nrog cov khoom sib txawv tsis yog ib txwm txaus. Kev hloov pauv tuaj yeem txhim kho kev hnav tsis kam, tab sis nws yuav tsis tuaj yeem kho qhov tsis haum slurry npaj lossis kev ua haujlwm tsis ruaj khov.

Qhov twg UHMWPE nkag rau hauv Kev Sib Tham

UHMWPE yog siv rau hauv daim ntawv thov uas yuav tsum tau hnav tsis kam thiab ib qho tsis tshua muaj - txhuam nto. Rau kev ua haujlwm mining, cov khoom no ua rau nws yog ib tus neeg sib tw rau kev ntsuam xyuas cov dej num uas tau xaiv abrasive slurry.

Nws tus nqi yuav tsum raug txiav txim tawm tsam qhov tsis ua haujlwm tiag tiag.

Yog hais tias cov yeeb nkab steel uas twb muaj lawm raug kev puas tsuaj rov qab los ntawm cov khoom siv sab hauv, kev hnav- cov khoom siv polymer yuav tsim nyog tshawb xyuas. Yog tias corrosion ua rau qhov tsis zoo, qhov sib txawv ntawm cov khoom siv hlau thiab polymer kuj tseem cuam tshuam. UHMWPE tsis dhau electrochemical corrosion tib yam li carbon steel, txawm hais tias kev sib raug zoo nrog cov txheej txheem tiag tiag tseem yuav tsum tau kuaj xyuas.

Muaj kev txwv tseem ceeb rau qhov kev sib piv no. Tsis yog tag nrho cov kub -kuv cov kwj deg rov qab muaj qhov sib npaug, thiab tsis yog txhua cov kav dej UHMWPE muaj peev xwm ua tau zoo ib yam. Cov yeeb nkab haum rau ib feem ntawm kev ua haujlwm tsuas yog tsis tsim nyog rau lwm qhov.

Backfill kuj txawv ntawm cov pa tailings thauj khoom. Qee lub tshuab hauv av ua haujlwm hauv qab lub ntiajteb txawj nqus, thaum lwm tus siv cov twj tso kua mis lossis kev sib txuas ntawm cov kav dej ntsug thiab kab rov tav. Cemented backfill qhia txog kev txiav txim siab ntxiv vim tias qhov sib xyaw ua ke tuaj yeem tsim cov khoom sib txawv ntawm qhov sib txawv ntawm cov tailings uncemented.

Cov kev pabcuam npaj yuav tsum yog qhov tseeb ua ntej cov khoom tau teev tseg.

Qhov Kev Tshawb Fawb Txog Tam Sim No Qhia Txog Cov Neeg Yuav Khoom Mining

Cov ntaub ntawv South African muaj cov lus qhia muaj txiaj ntsig: cov khoom siv kav dej thiab cov kav dej ua haujlwm yuav tsum tau txiav txim siab ua ke.

Ib daim ntawv ua raws- nyob rau hauvPhau ntawv Journal ntawm Southern African Institute of Mining thiab Metallurgytau tham txog qhov cuam tshuam ntawm qhov sib tov sib xyaw tshaj tawm, slurry txheeb ze ntom ntom thiab cov yeeb nkab txoj kab uas hla ntawm hnav hauv cov khoom siv rov qab. Nws kuj tau tshuaj xyuas lwm cov ntaub ntawv kav dej, suav nrog polyurethane thiab siab -polyethylene ntom ntom, thaum hais txog qhov tseem ceeb ntawm kev tswj kom zoo hauv kab - yeeb nkab siv.

Cov kev tshawb fawb ntawd yog cov pov thawj muaj txiaj ntsig keeb kwm uas cov khoom siv polymer-raws li cov kav dej tau ntev tau txiav txim siab hauv kev siv cov ntaub ntawv mining backfill. Txawm li cas los xij, HDPE thiab UHMWPE yog cov khoom sib txawv. Kev tshawb pom ntawm ib qho polymer yuav tsum tsis txhob muab tso rau hauv cov ntaub ntawv pov thawj ncaj qha ntawm kev ua haujlwm ntawm lwm tus.

Ib yam li ntawd, cov txiaj ntsig los ntawm ib qho mine tsis tuaj yeem tsim lub neej kev pab cuam ntawm cov yeeb nkab ntawm lwm qhov chaw. Tailings muaj pes tsawg leeg, particle yam ntxwv, pipeline layout thiab kev khiav hauj lwm xyaum ua txhua yam cuam tshuam qhov tshwm sim.

Rau lub mine ntsuas UHMWPE, cov ntaub ntawv pov thawj tseem ceeb tshaj plaws muab cov ntaub ntawv xeem cov ntaub ntawv nrog cov ntaub ntawv los ntawm kab uas twb muaj lawm. Cov ntaub ntawv soj ntsuam, qhov chaw ntawm cov khoom hnav, kev ua haujlwm siab thiab cov yam ntxwv slurry tuaj yeem pab txiav txim siab seb cov khoom siv hloov pauv puas yog qhov teeb meem tiag tiag.

Related technical reference:Qhov cuam tshuam ntawm Corrosion ntawm hnav tus nqi ntawm cov kav hlau xa dej xa rov qab Slurry.

Luoyang Zhengju UHMWPE Mining Pipe: Tshaj tawm Specifications

Rau cov neeg yuav khoom ntsuas UHMWPE yeeb nkab rau kev siv cov mining tsim nyog, cov lus qhia hauv qab no tau teev nyob rau ntawm cov chaw tsim khoom UHMWPE mining yeeb nkab nplooj ntawv.

Khoom siv:https://www.cnzjpipe.com/uhmwpe-pipe/uhmwpe-mining-slurry-pipes.html

Cov no yog luam tawm cov khoom specifications, tsis yog ib tug guarantee ntawm haum rau txhua underground backfill daim ntawv thov. Cov kev ntsuas siab tau teev tseg yuav tsum tau kuaj xyuas qhov tseeb ntawm cov yeeb nkab configuration thiab tsim cov cai. Kev puas tsuaj - cov txiaj ntsig kev xeem yuav tsum tau txhais los ntawm txoj kev sim thiab cov xwm txheej tau teev tseg los ntawm cov chaw tsim khoom.

Rau qhov kev thov rau kev teeb tsa hauv av, mine pawg neeg ua haujlwm yuav tsum tau tshuaj xyuas qhov yuav tsum tau muaj tus nqi ntws, cov yam ntxwv slurry, kev sib txuas, kev txhawb nqa thiab kev teeb tsa. Ib yam khoom hnav tsis kam, los ntawm nws tus kheej, tsim kom muaj cov qauv tsim nyog rau ib qho system.

Ua ntej hloov cov yeeb nkab, tshawb xyuas qhov ua tsis tiav

Qhov kev ntsuam xyuas hloov tau zoo pib nrog ob peb nqe lus nug uas tuaj yeem teb tau los ntawm kuv cov ntaub ntawv.

Qhov hnav tshwm sim qhov twg? Puas yog nws tsom rau hauv cov ntu tshwj xeeb, lossis puas yog cov khoom poob faib raws kab? Puas yog kev puas tsuaj cuam tshuam nrog kev hloov pauv hauv slurry concentration lossis kev ua haujlwm? Puas muaj cov raj xa dej tau ntsib kev thaiv, kev hloov pauv siab lossis rov ua haujlwm cuam tshuam?

Cov lus teb pab cais cov ntaub ntawv -cov teeb meem cuam tshuam los ntawm cov txheej txheem- cuam tshuam.

Yog tias cov slurry tsis raug thauj mus tas li, kev tshuaj xyuas nws cov kev npaj thiab cov dej ntws yuav yog qhov tseem ceeb xws li hloov cov khoom siv yeeb nkab. Yog tias kev tshuaj ntsuam xyuas pom tias muaj kev hnav tsis tu ncua nyob rau hauv lwm yam kev ua haujlwm tau zoo, cov khoom siv yeeb nkab sib txawv tuaj yeem muab cov kev daws teeb meem zoo dua.

Rau pawg neeg yuav khoom, qhov no kuj yog vim li cas cov lus hais yuav tsum ua raws li daim ntawv thov tiag tiag es tsis yog cov lus "kub mine yeeb nkab." Qhov yuav tsum tau muaj txoj kab uas hla, siab, slurry hom thiab kev teeb tsa kev teeb tsa txiav txim siab seb cov khoom lag luam tsim nyog rau kev soj ntsuam ntxiv.

Xaus

South African kub-mine backfill systems muab ib qho piv txwv meej ntawm kev ua cov ntxhia thiab cov kav dej engineering txuas nrog li cas. Kev tshawb fawb ntawm Vaal Reefs East tau qhia tias slurry txheeb ze ntom ntom, ntws nrawm thiab txoj kab uas hla ntawm cov yeeb nkab yog qhov tseem ceeb ntawm kev tshawb xyuas cov kav dej rov qab.

UHMWPE yog tsim nyog los soj ntsuam thaum puas ntsoog thiab cov khoom compatibility muaj feem xyuam rau cov teeb meem kev khiav hauj lwm. Nws yuav tsum tsis txhob raug kho raws li kev hloov pauv thoob ntiaj teb rau cov hlau, thiab yuav tsum tsis txhob tshawb pom los ntawm HDPE lossis lwm cov txheej txheem polymer raug xa mus rau UHMWPE yam tsis muaj pov thawj.

Cov ntaub ntawv muaj zog tshaj plaws rau kev hloov cov khoom siv yeeb nkab yog los ntawm kev nkag siab txog cov txheej txheem uas twb muaj lawm: cov slurry muaj dab tsi, nws txav mus los, qhov twg cov yeeb nkab hnav thiab qhov hloov yuav tsum tau ua li cas.

Rau ib lub mine uas tau rov ua cov yeeb nkab tsis zoo, cov ntaub ntawv ntawd muab qhov pib muaj txiaj ntsig ntau dua li qhov kev thov dav dav txog cov khoom siv.

FAQ

Puas yog UHMWPE yeeb nkab haum rau kub -mine backfill?

Nws tuaj yeem tsim nyog rau cov ntawv thov xaiv, tab sis qhov tsim nyog nyob ntawm slurry muaj pes tsawg leeg, khib nyiab concentration, kev khiav hauj lwm siab, kub thiab cov khoom muaj peev xwm sau tseg. Underground installation tej yam kev mob yuav tsum tau soj ntsuam.

Puas nce slurry tshaj tawm ib txwm nce hnav?

Tsis nyob hauv txhua qhov xwm txheej. Kev nrawm cuam tshuam cov khoom txav mus los thiab hnav, tab sis qhov nrawm nrawm tuaj yeem tso cai rau cov khib nyiab. Qhov kev ua haujlwm tsim nyog nyob ntawm qhov tshwj xeeb slurry thiab pipeline.

UHMWPE puas tuaj yeem daws cov teeb meem rov tshwm sim?

Hloov cov khoom siv yeeb nkab ib leeg tsis tuaj yeem daws cov blockages tshwm sim los ntawm kev teeb tsa, kev npaj slurry tsis zoo lossis kev cuam tshuam kev ua haujlwm. Cov hauv paus ntsiab lus yuav tsum raug txheeb xyuas ua ntej xaiv qhov hloov pauv.

Cov ntaub ntawv dab tsi xav tau los ntsuas UHMWPE cov yeeb nkab mining?

Cov ntaub ntawv muaj txiaj ntsig suav nrog txoj kab uas xav tau, kev ua haujlwm siab, hom slurry, solids concentration, particle -cov ntaub ntawv loj nyob qhov twg, kev khiav hauj lwm kub thiab kev teeb tsa.

Lub ntsiab lus tseem ceeb

UHMWPE yeeb nkab rau kub mining

Secondary Keywords

South African kub mine pipeline

UHMWPE mining yeeb nkab

Gold mine backfill pipeline

Hnav-cov yeeb nkab mining resistant

Tailings backfill thauj

Mining slurry pipeline hnav

Hais txog Luoyang Zhengju Tshiab Materials Technology Co., Ltd.

Luoyang Zhengju Tshiab Cov Khoom Siv Technology Co., Ltd. manufactures UHMWPE, HDPE, PVC thiab lwm yam yas kav thiab fittings rau kev siv.

Rau cov mining slurry thiab lwm yam tsim nyog thauj cov dej num, peb txais tos nug nrog cov yeeb nkab uas yuav tsum tau muaj thiab muaj cov ntaub ntawv khiav hauj lwm. Peb pab neeg tuaj yeem tshuaj xyuas cov kev xav tau thiab sib tham txog cov khoom tsim nyog.

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