2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13
Limestone tsoo pob zeb 5–20, 40-70 mm lossis lwm yam feem, nrog rau nws qhov kev tshuaj xyuas, tau siv dav hauv ntau yam haujlwm. Cov khoom siv yog tus qauv raws li qhov yuav tsum tau ua ntawm GOST, yuav tsum ua raws cov qauv nruj nruj. Pob zeb ua raws nws muaj lub zog loj haum. Lwm qhov chaw ntawm kev siv: hauv kev tsim kho txoj kev, txaj ntawm cov hauv paus - yuav tsum raug xaiv coj mus rau hauv tus account cov yam ntxwv ntawm pob zeb.
Peculiarities
Pob zeb dawb los yog daj daj - cov pob zeb tawg - yog hom pob zeb tawg: calcite. Nws tau tsim ib txwm muaj, thaum hloov pauv ntawm cov khoom lag luam organic . Hais txog cov tshuaj muaj pes tsawg leeg, cov pob zeb tawg yog calcium carbonate, nws tuaj yeem ua xim, nyob ntawm qhov tsis huv, hauv av cib, txho, daj. Cov khoom zoo li raws li cov khoom muaj yeej hauv nws cov qauv.
Ntau lub pob zeb uas muaj cov yam ntxwv zoo sib xws tau tsim los ntawm calcium carbonate . Qhov sib txawv ntawm limestone thiab dolomite crushed pob zeb yog qee yam tsim nyog tham txog ntau yam ntxiv. Cov ntaub ntawv no feem ntau tsis meej pem vim lawv cov qauv zoo sib xws.
Dolomite tseem yog cov pob zeb lim dej, tab sis cov dej hauv av tau koom nrog nws tsim.
Pob zeb tau muab cais raws qhov ntim ntawm cov ntxhia ntshiab. Cov uas muaj txog li 75% dolomite yog suav tias yog cov pob zeb limestone. Cov khoom siv no muaj tus lej zoo.
- Siab tiv taus kub heev . Cov pob zeb tawg tuaj yeem tiv taus te thiab cua sov los ntawm tshav ntuj ncaj qha.
- Tus nqi pheej yig . Cov khoom sib piv haum nrog nws cov granite counterpart hauv nqe.
- Kev nyab xeeb ib puag ncig . Cov pob zeb tsoo muaj cov xov tooj cua qis heev thiab tsim nyog rau siv nyob rau hauv kev tswj hwm kev nyab xeeb ib puag ncig.
- Cov yam ntxwv ua haujlwm . Cov khoom siv nws tus kheej zoo rau ramming, haum rau tsim cov txheej txheem rau lwm cov ntaub ntawv thiab txheej.
Tseem muaj qhov tsis zoo, thiab lawv cuam tshuam ncaj qha rau kev xaiv ntawm kev siv cov khoom siv. Limestone crushed pob zeb tsis tiv taus cov kua qaub, tsis muaj zog heev. Cov pob zeb tsoo, hauv kev sib cuag nrog dej, raug ntxuav tawm, yog li nws tsis siv ua txaj, uas ua lub luag haujlwm tseem ceeb hauv qhov chaw.
Nws li cas?
Kev tsim cov pob zeb tawg tau ua tiav hauv txoj kev qhib. Seams ntawm cov pob zeb hauv cov chaw txua txiag zeb tau pom nyob hauv ntau thaj tsam ntawm lub tebchaws, yog li kev sib tw hauv khw yog siab heev. Qhov no ua rau nws muaj peev xwm xaiv cov neeg xa khoom ntawm thaj chaw ib puag ncig thaum ua tiav kev tsim kho loj. Cov txheej txheem ntawm kev rho tawm pob zeb yuav siv qhov tseeb.
- Kev rhuav tshem hauv zos yog nqa tawm hauv chaw txua txiag zeb.
- Lub tsheb nrau av thiab tus khawb av khaws cov pob zeb uas tau txais, thiab thauj lawv.
- Xaiv qhov loj tshaj plaws fractional. Lawv raug xa mus rau lub tshuab tshwj xeeb shredding.
- Lub pob zeb uas tau tshwm sim yog sieved los ntawm cov kab ke sib cais rau kev faib ua feem. Txog kev txheeb, "cov ntxaij vab tshaus" tau siv, nrog kev pab uas nws muaj peev xwm ua tiav cais cov ntaub ntawv nrog ntau qhov sib txawv granule.
- Cov khoom sib cais tau sib cais, txheeb thiab cais tawm.
Cov pob zeb tawg tau txais tom qab kev sib tsoo yog khaws cia raws li cov lus pom zoo tsim thiab xa mus rau cov neeg siv khoom.
Yam ntxwv thiab khoom
Lime crushed pob zeb yog tus qauv los ntawm qhov yuav tsum tau ua ntawm GOST 8267-93, uas muaj feem cuam tshuam rau txhua hom pob zeb tawg nrog qhov ntom ntawm cov zauv tsis siab dua 2-3 g / cm 3. Cov khoom siv muaj ntau yam kev ntsuas.
- Kev nqus tshwj xeeb . Nws yog qhov yooj yim heev los txiav txim seb muaj pes tsawg tons 1 lub voos xwmfab ntawm cov pob zeb tawg tau hnyav. Nrog rau qhov loj me ntawm cov zauv mus txog 20 mm, daim duab no yog 1, 3 tons. Nrog rau qhov me me ntawm 40-70 mm, qhov hnyav ntawm 1 m 3 yuav yog 1410 kg.
- Tej ntom ntom ntom ntim ntim . Nws tseem yog qhov ua tsis tau zoo, uas txiav txim siab qhov sib piv ntawm cov nplej thiab rab koob zoo li hauv feem pua. Qhov tsawg dua voids thiab lub zog siab dua, tus nqi yuav qis dua. Rau cov pob zeb tawg, qhov sib txuam ua kom sib luag yog 10-12%.
- Lub zog . Nws tau txiav txim siab los ntawm kev ntsuas ntsuas hauv lub tog raj kheej, thaum lub sij hawm uas cov pob zeb tawg tau tawg. Qib ntawm kev tsoo yog tsim - rau ntau yam limestone, nws tsis tshua muaj ntau dua M800.
- Frost tsis kam . Nws tau txiav txim siab los ntawm tus naj npawb ntawm khov thiab thaws mus uas cov khoom hloov pauv yam tsis poob. Tus txheej txheem tus nqi rau cov pob zeb tawg tau nce mus txog F150.
- Xov tooj cua . Hauv cov pob zeb limestone, nws yog qhov qis tshaj ntawm txhua hom pob zeb tawg. Qhov ntsuas hluav taws xob tsis tshaj 55 Bq / kg.
Cov no yog cov yam ntxwv tseem ceeb uas tseem ceeb rau kev txiav txim siab qhov kev thov ntawm cov pob zeb tawg, nws lub peev xwm, kev tso cai thiab tiv taus kev thauj khoom.
Nyiaj muas
Pob zeb tsoo pob zeb dawb yog ib qho khoom siv nrov tshaj plaws hauv tsev. Ib yam li lwm hom pob zeb tawg, limestone muaj nws tus cim. Nws tau txiav txim siab los ntawm qib kev sib zog ntawm cov ntxhia. Muaj 4 qib khoom siv.
- M200 . Qhov tsis ruaj khov tshaj plaws ntawm txhua qhov kev xaiv rau cov pob zeb tawg. Tuav tau cov khoom me me, tsim nyog rau sau thaj chaw, tsim toj roob hauv pes, tab sis tsis tsim nyog rau thaj chaw uas muaj kev cuam tshuam zoo rau lub tshuab ntawm qhov txheej txheej.
- M400 . Ib lub npe nrov siv los ua cov khoom sib koom ua vaj tsev. Nws muaj lub zog nruab nrab nruab nrab thiab yog li ntawd yuav tsum tau ua tib zoo xaiv cov ntawv thov. Cov pob zeb tawg yog qhov tsim nyog rau kev tsim kho qis, txhim kho tsev sov lub caij ntuj sov thiab thaj av tsev neeg.
- M600 . Hom kev pom zoo tshaj plaws rau kev tsim kho. Cov khoom siv zoo li no tau siv dav hauv kev npaj ntawm cov av, dej hauv ncoo. Thiab tseem tsoo pob zeb M600 yog qhov tsim nyog rau kev tsim cov pob zeb tsim thiab cov khoom ua vaj tsev.
- M800 . Hom no yog qhov txawv los ntawm nws lub zog siab, tau siv hauv kev tsim cov hauv paus, hauv kev kho dua tshiab thiab rov tsim kho cov pob zeb ua vaj tse.
Thaum xaiv cov hom ntawm cov pob zeb tawg, nco ntsoov coj mus rau hauv tus account cov ntsuas uas sib haum rau nws.
Qhov ua yuam kev hauv kev suav yuav ua rau qhov tseeb tias lub pob zeb tawg yuav yooj yim tsuas yog tawg thaum lub sijhawm ua haujlwm siab tshaj.
Fractions
Fractionation yog ib txwm rau pob zeb tawg. Los ntawm qhov loj me ntawm qhov txiav txim siab los ntawm GOST, nws tuaj yeem muaj cov ntsuas hauv qab no:
- 5-10 hli;
- 10-15 hli;
- mus txog 20 mm;
- 20-40 hli;
- mus txog 70 mm.
Kev hloov pauv ntawm cov khoom sib txawv nrog cov ntsuas sib txawv tau tso cai hauv kev sib xyaw: ntawm 5 txog 20 hli. Los ntawm kev pom zoo, cov tuam txhab tsim khoom tseem muab cov pob zeb tawg nrog lwm cov ntsuas. Feem ntau lawv sib txawv hauv thaj tsam ntawm 120 txog 150 hli - cov khoom no twb tau hu ua pob zeb tawg. Limestone tsoo pob zeb nrog qhov loj txog 20 hli yog suav tias yog ib feem me me, thiab qhov loj uas ntau dua 40 hli.
Tawm Tawm
Cov pob zeb me me thiab ntau qhov sib txawv uas tsis tuaj yeem txheeb tau yog hu ua kev tshuaj xyuas. Feem ntau qhov loj ntawm nws cov feem feem ntau tsis ntau tshaj 3 hli nrog qhov ntom ntom ntom ntom ntom ntawm 1, 30 thiab qhov flakiness ntawm 10-12%. Qhov loj me me ntawm cov pob zeb uas tsis yog hlau hauv daim ntawv tshuaj ntsuam kuj tseem ua tau raws li qhov xav tau ntawm GOST.
Kev tshuaj ntsuam yog siv rau ntau lub hom phiaj
- Rau kev tsim kho av thiab tsim.
- Ua tus muab tub lim rau Portland MAAs.
- Nyob rau hauv plastering tebchaw los ua kom zoo nkauj ntawm phab ntsa cladding. Feem ntau nws tau pom zoo kom siv nws hauv kev kho kom zoo nkauj sab hauv.
- Asphalt paving.
- Hauv kev tsim cov nplais thiab pob zeb ua paving slabs. Hauv qhov no, cov khoom xav tau kev tiv thaiv ntxiv noo noo, ua kom muaj zog tiv taus tshuaj lom neeg.
- Hauv kev tsim cov tshuaj chiv ua chiv thiab tsev sib tov. Cov zom cov calcium carbonate zoo li cov kua qaub.
- Hauv kev tsim cov khoom ua npuas ncauj, aerated qhob nrum khoom.
Kev tshuaj ntsuam yog tau los ntawm kev hla cov khoom los ntawm kev sib tsoo tshwj xeeb thiab kuaj tshuab . Nws suav nrog txhua pawg uas me dua li cov cell uas cov khoom hla. Vim yog kev nyab xeeb ib puag ncig thiab hluav taws xob, kev tshuaj ntsuam yog tsim nyog rau siv ua ib feem ntawm kev ua kom tiav cov ntawv thov rau saum npoo ntawm phab ntsa lossis ib tus neeg tsim vaj tsev.
Sab nrauv, nws zoo li xuab zeb, nws tuaj yeem muaj xim liab, dawb, xim daj.
Daim ntawv thov thaj tsam
Kev faib khoom ntawm kev siv cov khoom siv feem ntau txiav txim siab los ntawm qhov loj ntawm nws cov feem. Kev tshuaj ntsuam me tshaj plaws yog siv rau lub hom phiaj zoo nkauj: rau rov ua vaj tsev lossis thaj chaw hauv cheeb tsam . Nws yog qhov txaus nyiam heev, compacted zoo los ntawm dov. Ntawm qhov chaw, thaum txhim kho, nws tau nchuav rau hauv lub paj paj, ntawm txoj kev, tiv thaiv los ntawm kev sib cuag nrog cov dej noo ntau dhau.
Cov pob zeb ua kom zoo zoo nrog cov kab uas hla me me txog li 10 hli yog siv los ua cov khoom ntxiv hauv cov pob zeb ua cov ntawv thiab cov muab tub lim . Vim nws qhov me me, xws li cov pob zeb tawg tau muab cov nplaum zoo dua ntawm cov pob zeb dag rau cov hlau ntxiv. Qhov ua tau zoo ntawm cov qib M100, M200 tuaj yeem siv rau lub hauv paus, hauv kev tsim kho ntawm thaj chaw dig muag lossis lub sam thiaj. Cov khoom siv kuj tseem haum rau nchuav cov phab ntsa monolithic hauv cov qauv, rau kev npaj txoj kev hauv vaj thiab txoj kev tsav tsheb.
Thaum tsim cov hauv paus thiab cov txheej txheem cuam tshuam nrog kev siv khaus limestone, tshwj xeeb yuav tsum tau them nyiaj tshwj xeeb rau kev tiv thaiv dej . Cov khoom raug cuam tshuam los ntawm kev puas tsuaj los ntawm kev sib cuag tas li nrog ib puag ncig ntub. Thiab nws kuj tseem tsis tuaj yeem lees txais cov kua qaub kom ua rau saum cov pob zeb tawg - lawv yaj cov limestone.
Hauv metallurgy, pob zeb tawg ntawm cov feem me me tau siv. Cov khoom siv yog tsim nyog rau zom cov hlau, ua raws li cov dej ntws . Ib qho ntxiv, thaum tsoo, ib qhov chaw ntawm calcium carbonate ua haujlwm ua ib feem ntawm cov chiv. Nws yog siv los tsim cov dej qab zib thiab cov kua qaub uas siv hauv kev tsim kho.
Ib nrab-feem thiab ntau yam loj ntawm cov pob zeb tawg ua rau nws muaj peev xwm ua tiav cov hauv paus rau ntau yam txheej txheej . Lawv yog ib feem ntawm cov kua hauv ncoo, ua ke nrog cov xuab zeb thiab pob zeb. Qhov xwm txheej tseem ceeb yog qhov tuab tuab ntawm txheej pob zeb tawg (txog 20 cm), nrog rau nws qhov chaw nyob siab dua qib uas cov dej hauv av dag. Cov khoom sib txuas ntawm cov pob zeb tawg tau pab ua kom lub hauv paus ntom ntom uas muaj dej noo zoo los ntawm asphalt, pob zeb ua ke lossis lwm txoj hauv kev.
Pom zoo:
Ceev Ntawm Pob Zeb Tawg: Ntau Thiab Qhov Tseeb Ntom Ntawm Pob Zeb Tawg 5-20 Hli, 40-70 Hli Thiab Lwm Yam Feem, Rooj Thiab GOST, Qhov Nruab Nrab Ntom Ntawm Cov Dub Thiab Lwm Yam Pob Zeb Tawg
Crushed pob zeb ntom ntom: ntau thiab muaj tseeb. Qhov ntom ntawm cov pob zeb tawg yog 5-20 hli, 40-70 hli thiab lwm yam feem, cov lus thiab GOST, qhov nruab nrab ntom ntawm cov dub thiab lwm yam pob zeb tawg
Cov Pob Zeb Tsoo Pob Zeb (41 Duab): 5-20 Hli Thiab 40-70 Hli. Puas Muaj Lwm Pab Pawg Twg? Qhov Hnyav Ntawm Pob Zeb Tawg Ntawm Qhov Zoo Thiab Lwm Yam Feem Hauv 1 M3, Pob Zeb Tawg Ntawm Qhov Loj
Koj yuav tsum paub dab tsi txog cov pob zeb tawg? Dab tsi yog qhov zoo tshaj ntawm cov feem ntawm 5-20 mm thiab 40-70 mm, puas muaj lwm cov zauv twg? Qhov hnyav hnyav ntawm kev nplua thiab lwm yam pob zeb tawg hauv 1 m3, thiab yuav xaiv cov khoom zoo li cas?
Ib Feem Ntawm Cov Pob Zeb Tawg Rau Cov Pob Zeb: Yuav Tsum Tau Pob Zeb Tsoo Rau Lub Hauv Paus Ntawm Lub Tsev Thiab Qhov Twg Zoo Dua Rau Qhov Chaw Dig Muag? Qhov Loj Me Yog Siv Rau Pob Zeb Ua Vaj Tsev?
Dab tsi ntawm cov pob zeb tawg yuav tsum tau siv tshwj xeeb rau cov pob zeb twg? Dab tsi yog pob zeb tawg uas xav tau rau lub hauv paus ntawm lub tsev thiab qhov twg zoo dua rau thaj chaw dig muag? Peb yuav qhia koj hauv peb cov ntawv tshaj tawm
Granite Crushed Pob Zeb (41 Duab): 5-20 Mm, 40-70 Mm Thiab Lwm Yam Feem, Pob Zeb Tsoo Thiab Qhov Hnyav 1 M3, Liab Thiab Lwm Yam Pob Zeb Tawg Los Ntawm Granite, GOST
Txhua yam hais txog crushed granite 5-20 mm, 40-70 thiab lwm yam feem. Crushed pob zeb ntom ntom thiab hnyav 1 m3. Nta liab thiab lwm yam pob zeb tawg los ntawm granite. GOST cov tseev kom muaj thiab thaj tsam
Zeb Zom Zaws (30 Duab): 5-20 Hli, 40-70 Hli Thiab Lwm Feem Ntawm Cov Pob Zeb Tawg Los Ntawm Pob Zeb. Qhov No Yog Dab Tsi? Nws Qhov Sib Txawv Ntawm Granite Thiab Lwm Yam Pob Zeb Tawg Hauv Hnab
Crushed pob zeb - nws yog dab tsi, qhov sib txawv ntawm crushed granite thiab pob zeb zoo li cas? 5-20 hli, 40-70 hli thiab lwm feem ntawm cov pob zeb tawg los ntawm pob zeb. Cov cheeb tsam ntawm kev siv cov pob zeb tawg
