2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2023-12-16 05:41
Cov yam ntxwv ntawm cov pob zeb tawg dawb yuav tsum paub rau txhua tus neeg uas xav kho lawv lub xaib thiab ua lwm yam haujlwm. Muaj cov hniav zoo nkauj tsoo pob zeb 5-20 mm thiab 40 mm ntawm lub khw, pob zeb loj thiab me me dawb hauv hnab thiab lwm yam kev xaiv. Tib neeg, ntawm chav kawm, tsis quav ntsej txog qhov nws tau tsim thiab qhov twg cov khoom siv no tau siv.
Lawv ua los ntawm dab tsi?
Txhua yam khoom zoo li no yog keeb kwm tsis muaj kuab lom. Txhawm rau kom tau cov pob zeb tawg dawb, zuaj:
- pob zeb;
- ntau yam pob zeb;
- pob zeb;
- overburden thiab thaiv cov pob zeb ntawm ntau yam tso nyiaj;
- cov khoom pov tseg tsis zoo los ntawm kev lag luam hlau.
Tau kawg, cov xim ntawm lub pob zeb sib txawv heev. Qee zaum tsuas yog kev txheeb cais pab cais lawv. Tab sis nyob rau hauv txhua rooj plaub, thawj theem yog qhov tawg. Tsuas yog qee qhov tsis tshua muaj tshwm sim yog kev tsoo pob zeb thawj zaug nrog kev pab los ntawm cov cuab yeej txav mus los hauv ntiaj teb thiab siv cov cuab yeej siv tsis zoo. Tom qab ntawd tus tsiaj tau sau, thauj mus rau qhov chaw tsim khoom. Muaj nws ua tiav ntawm cov tshuab crushing tshwj xeeb.
Ua li cas?
Cov pob zeb tawg dawb feem ntau tau txais los ntawm:
- granite;
- dolomite;
- limestone.
Dolomite thiab limestone loj yog qhov xav tau feem ntau hauv cov khoom tsim ua lub tsev me me. Lub luag haujlwm ua haujlwm cuam tshuam nrog kev siv cov khoom ntom ntom thiab ruaj khov dua. Cov tshuaj lom neeg muaj pes tsawg leeg ntawm cov pob zeb no yog ua los ntawm calcium carbonate.
Vim tias tus tsiaj tau nthuav dav, nws tau muag dav thiab pheej yig.
Nrog rau cov tshuaj lom neeg muaj pes tsawg leeg thiab cov yam ntxwv ntxhia ntawm cov pob zeb zoo nkauj, lawv qhov loj me me (feem) kuj tseem ua lub luag haujlwm tseem ceeb heev. Lub peev xwm ntawm kev thov ntawm ib pawg tshwj xeeb ntawm cov khoom siv feem ntau nyob ntawm nws.
- Cov pob zeb tsoo los ntawm qhov loj me ntawm 5 txog 20 hli yog rau pawg me. Yeej, tus tsiaj no xav tau rau kev tsim kho vaj tsev nyob thiab cov tsev tsis nyob.
- Pob zeb xws li qhov loj los ntawm 20 txog 40 hli kuj tseem dav xav tau ntawm cov neeg tsim khoom. Lawv siv nws los tsim cov pob zeb zoo ib yam thiab ntau yam kev txhawb nqa ua vaj tsev.
- Hais lus nruj me ntsis, cov khoom siv txog li 5 hli hauv ntu ntu tsis tuaj yeem hu ua pob zeb tawg tag. Nws siv, yog tias ua tau, yog qhov txwv heev.
- Qee zaum lawv muab pob zeb loj (los ntawm 40 txog 70 hli) thiab pob zeb loj tshaj (ntau dua 70, txog 300 hli). Ob qho kev xaiv xav tau hauv cov haujlwm xav tau tshaj plaws. Lawv feem ntau siv qhov twg ua rau muaj kev nyuab siab heev.
Nco ntsoov tias txoj hauv kev ntawm kev txav mus los tseem ua lub luag haujlwm tseem ceeb. Feem ntau cov pob zeb tawg tau thauj thiab tshem tawm hauv qhov ntau. Tab sis qee zaum nws tau xa hauv hnab. Cov ntaub ntawv no tau teev tseg nruj, feem ntau pom zoo ua ntej:
- coloring (nrog rau ntxoov);
- factional kev koom tes;
- qib ntawm flakiness.
Qhov zoo ntawm lub hnab xa khoom kuj yog:
- muaj peev xwm "kaw" qhov kev txiav txim me me, thaum nws tsis tas yuav ua txoj haujlwm nyuaj ua haujlwm;
- ntsuas nruj me ntsis thiab tau txiav txim siab ua ntej (uas ua rau nws muaj peev xwm ua kom kwv yees tau ntawm kev thauj, ntawm cov loaders thiab cov neeg tsim khoom);
- lub xub ntiag ntawm cov cim (uas yog qhov tseem ceeb rau qhov sib txawv ntawm lub pob zeb uas yog rau qee pawg);
- ua tib zoo saib xyuas lub xeev cov qauv thiab cov txheej txheem kev ua haujlwm;
- muaj peev xwm xaj kom tau cov khoom raws li qhov koj xav tau, yam tsis tau them nyiaj ntau dhau thiab tsis nkim sijhawm ntawm kev xa khoom;
- muaj peev xwm, ua tsaug rau ntim ntim, siv ntau hom kev thauj thiab txo qhov poob ntawm cov khoom thauj mus los kom tsawg.
Tau kawg, koj yuav tau them nyiaj ntxiv rau lub ntim khoom. Tab sis feem ntau, cov no yog cov nqi ncaj ncees. Cov pob zeb tawg feem ntau yog xa hauv qhov loj tsuas yog rau cov chaw tsim kho loj. Rau qhov xav tau kev ua haujlwm zoo tshaj plaws, raws li txoj cai, lawv tsis siv kev tsim kho zoo ib yam, tab sis ua rau pob zeb tawg.
Nws tshwj xeeb tau coj mus rau qhov zoo nkauj zoo nkauj uas siv cov txheej txheem thev naus laus zis tshwj xeeb.
Nws siv qhov twg?
Kev siv cov pob zeb tawg, raws li twb tau hais los lawm, yog hais los ntawm pawg neeg uas nws yog. Yog li, qhov tsawg tshaj plaws ntawm cov tsiaj no (txog 5 hli) feem ntau yog siv rau hauv kev kho kom zoo nkauj ntawm txoj kab. Nws nyuaj heev los siv nws lwm qhov, thiab nws tsis yog qhov tshwj xeeb tshaj tawm. Kev siv ntau tshaj plaws thoob plaws ntiaj teb muaj cov pob zeb tawg ntawm 5-20 hli. Nws xav tau:
- hauv kev tsim cov pob zeb txhawb ntxiv;
- thaum tsim lub hauv paus;
- thaum npaj txoj kev - ob qho tib si sab hauv, ntawm thaj chaw ntawm lub koom haum, thiab kev siv dav;
- rau kev npaj cov pob zeb hauv kev tsim kho thiab kho.
Pob zeb nrog ntu ntu ntawm 20-40 mm kuj tseem yuav thiab xa mus rau ntau yam khoom. Cov khoom siv no haum rau:
- dej ua haujlwm;
- kev npaj cov tsheb ciav hlau thiab tsheb ciav hlau;
- tsim cov hauv paus rau kev lag luam thiab cov tsev pej xeem loj, cov tsev siab.
Cov pob zeb tsoo nrog ntu ntu ntawm 40-70 hli kuj tseem siv rau hauv cov dej ntws. Nws kuj tuaj yeem raug coj los ua pob zeb ua vaj tsev. Peb tab tom tham txog kev npaj ua haujlwm tshwj xeeb rau cov chaw tshwj xeeb thiab cov khoom. Cov pawg loj tshaj (ntau dua 70 mm), zoo li qhov me tshaj, muaj qhov txwv ntawm kev siv.
Nws tuaj yeem siv rau kev teeb tsa cov pas dej da dej, rau kev kho kom zoo nkauj ntawm cov pas dej thiab npaj cov laj kab.
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
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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
