CTDG series lub tshuab sib nqus qhuav tas mus li yog qhov siv dav tshaj plaws rau kev pov cov hlau qhuav nrog qhov loj tshaj plaws ntawm ntau tshaj 20 hli.
Cov hlau nplaum tas mus li qhuav sib nqus sib cais dav siv hauv cov chaw ua hlau thiab lwm yam lag luam, tuaj yeem ua tau raws li qhov xav tau ntawm cov chaw ua hlau loj, nruab nrab thiab me, siv rau kev sib cais sib nqus cog tom qab qhov loj tshaj plaws ntawm cov khoom me me tsis pub ntau tshaj 500 hli cov khoom ua ntej-concentration, pov tseg cov pob zeb pov tseg sib xyaw, rov qab qib geological, tuaj yeem txuag hluav taws xob thiab txo kev siv, txhim kho lub peev xwm ua tiav ntawm cov chaw ua tiav;
Siv rau hauv stope, tuaj yeem rov qab tau magnetite los ntawm cov pob zeb pov tseg, txhim kho qhov kev siv cov khoom siv ore; Siv los rov qab tau hlau hlau los ntawm cov hlau slag; Siv rau kev pov tseg thiab kev cais cov hlau muaj txiaj ntsig.
Lub tshuab sib nqus qhuav uas siv cov hlau nplaum tas mus li feem ntau yog siv cov hlau nplaum sib cais, cov hlau nplaum sib npaug zos rau ntawm txoj siv, ntawm qhov ceev tas mus li mus rau sab saud ntawm lub nruas sib nqus, nyob rau hauv qhov cuam tshuam ntawm lub zog sib nqus, cov khoom siv sib nqus muaj zog nqus rau ntawm qhov chaw sib nqus, khiav mus rau hauv qab ntawm lub nruas thiab tawm ntawm thaj teb, vam khom lub ntiajteb txawj nqus kom sib sau ua ke qhov, cov pob zeb pov tseg thiab cov khoom siv sib nqus tsis muaj zog tsis tuaj yeem nqus thiab tswj nws qhov kev txav mus los inertia, tiaj tus sab laug mus rau pem hauv ntej ntawm lub tshuab sib cais hlau nplaum rau hauv qhov chaw tailings.
Los ntawm qhov kev xav ntawm cov qauv, lub tshuab sib nqus qhuav tas mus li feem ntau suav nrog lub cev muaj zog tsav tsheb, lub tog raj kheej txuas ntxiv, lub tshuab txo qis, kev sib txuas hla, lub rooj sib nqus sib nqus thiab lub tshuab hloov kho lub zog sib nqus thiab lwm yam.
Cov ntsiab lus tseem ceeb ntawm kev siv tshuab qauv
1. Rau qhov loj tshaj plaws hauv 400 ~ 125 hli tuab cov khoom tawg qhuav vim yog qhov loj ntawm cov khoom me me, kev sib tsoo tom qab siv, bue rau lub chaw haujlwm siv yuav tsum nkag mus rau thaj chaw sib cais nruas, nrog ib txheej tuab ntawm cov cam khwb cia kom ua tiav cov txiaj ntsig pov tseg tsim nyog, txo cov tailings ntawm cov hlau nplaum, theem no ntawm lub nruas sib nqus sib nqus tob yuav tsum muaj qhov loj dua, ua kom cov khoom loj loj los ntes, cov qauv theem ntawm cov khoom siv thev naus laus zis tseem ceeb: (1) lub nruas txoj kab uas hla, qhov loj dua qhov zoo dua, feem ntau yog 1 400 hli lossis 500 hli.
(2) Qhov dav ntawm txoj siv sia yog dav li sai tau. Qhov dav tshaj plaws ntawm txoj siv sia xaiv tam sim no yog 3 000 hli;
Txoj siv sia ntev li ntev tau hauv seem ncaj ze ntawm lub taub hau ntawm lub nruas, yog li ntawd cov txheej khoom nkag mus rau hauv thaj chaw cais tawm yog nyias dua.
(3) Rau qhov tob tob dua ntawm qhov sib nqus, coj cov khoom me me nrog qhov loj tshaj plaws ntawm 300 ~ 400 hli ua piv txwv, qhov sib nqus ntawm lub zog ntawm qhov deb ntawm 150 ~ 200 hli ntawm qhov chaw ntawm lub nruas feem ntau yog ntau dua 64kA / m, raws li qhia hauv Daim Duab 1 thiab Rooj 1.
(4) Qhov kev sib nrug ntawm lub phaj thiab lub nruas yog ntau tshaj 400 hli, thiab tuaj yeem hloov kho tau.
(5) Qhov ceev ntawm lub nruas tuaj yeem hloov kho tau, nrog rau kev hloov kho ntawm lub kaum sab xis magnetic thiab kev hloov kho ntawm cov khoom siv sib cais, yog li ntawd qhov ntsuas kev txheeb xyuas zoo tshaj plaws.
Daim Duab 1 Huab cua sib nqus
Rooj 1 Lub zog ntawm lub zog sib nqus KA /m
| nrug/hli | 0 | 50 | 100 | 150 | 200 | 250 |
| Lub zog sib nqus ntawm lub teb (kA / m) | 780.8 | 357.7 | 196.4 | 127.4 | 81.2 | 59.3 |
| nrug/hli | 300 | 350 | 400 | 450 | 500 |
|
| Lub zog sib nqus ntawm lub teb (kA / m) | 41.5 | 30.6 | 21.3 | 16.6 | 12.8 |
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Rooj 1, qhov muaj zog ntawm lub zog sib nqus ntawm 200 hli ntawm qhov chaw sib nqus ntawm lub cev yog 81.2kA / m, thiab ntawm 400 hli ntawm qhov chaw sib nqus ntawm lub cev yog 21.3kA / m.
(2) Rau qhov loj tshaj plaws ntawm cov khoom siv zom qhuav hauv 100 ~ 50 hli, vim tias qhov loj me ntawm cov khoom siv ua kom zoo, cov txheej txheem nyias nyias ntawm cov khoom siv, cov qauv tsim thiab kev zom qhuav tuaj yeem hloov kho kom haum: ① lub nruas txoj kab uas hla feem ntau yog 1 000, 1 200, 1 400 hli.
② siv txoj siv dav 1 400, 1 600, 1 800, 2 000 hli;
Txoj siv sia ntev li ntev tau hauv seem ncaj ze ntawm lub taub hau ntawm lub nruas, yog li ntawd cov txheej khoom nkag mus rau hauv thaj chaw cais tawm yog nyias dua.
③Rau qhov tob tob dua ntawm qhov sib nqus, piv txwv li, coj cov khoom me me uas muaj qhov loj tshaj plaws ntawm 100 hli, qhov sib nqus ntawm qhov deb ntawm 100 thiab 50 hli ntawm qhov chaw ntawm lub nruas feem ntau yog ntau dua 64kA / m, raws li pom hauv Daim Duab 2 thiab Rooj 2.
④Qhov kev sib nrug ntawm lub phaj faib thiab lub nruas yog ntau dua 100 hli, thiab tuaj yeem hloov kho tau.
⑤ Qhov ceev ntawm lub nruas tuaj yeem hloov kho tau, nrog rau kev hloov kho ntawm lub kaum sab xis magnetic thiab kev hloov kho ntawm cov khoom siv sib cais, yog li ntawd qhov ntsuas kev txheeb xyuas zoo tshaj plaws.
Daim Duab 2 Huab cua sib nqus
Rooj 2 Lub zog ntawm lub zog sib nqus KA /m
| nrug/hli | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
| Lub zog sib nqus ntawm lub teb (kA / m) | 376 | 528 | 398 | 336 | 278 | 228 | 193 | 169 | 147 | 119 | 105 |
| nrug/hli | 110 | 120 | 130 | 140 | 150 | 160 | 170 | 180 | 190 | 200 |
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| Lub zog sib nqus ntawm lub teb (kA / m) | 94.4 | 85.2 | 76.4 | 67.7 | 59 | 50.9 | 43.6 | 36.9 | 32.2 | 30.1 |
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Rooj 2, qhov muaj zog ntawm lub zog sib nqus ntawm 100 hli ntawm qhov chaw sib nqus ntawm lub cev yog 105kA / m, thiab ntawm 200 hli ntawm qhov chaw sib nqus ntawm lub cev yog 30.1kA / m.
(3) Rau kev pov tseg qhuav ntawm cov khoom zoo nrog qhov loj tshaj plaws ntawm 25 ~ 5 hli, lub nruas me dua thiab qhov tob me dua tuaj yeem xaiv tau hauv kev tsim thiab kev xaiv, uas yuav tsis tham txog ntawm no.
Lub sijhawm tshaj tawm: Lub Ob Hlis-03-2021