CTDG mndandanda okhazikika maginito youma olekanitsa

CTDG mndandanda okhazikika maginito youma maginito olekanitsa ndi ambiri ankagwiritsa ntchito youma kuponyera ore ndi pazipita tinthu kukula oposa 20 mm.

Osatha maginito youma maginito olekanitsa chimagwiritsidwa ntchito mu migodi zitsulo ndi mafakitale ena, akhoza kukwaniritsa zofuna za migodi lalikulu, sing'anga ndi ang'onoang'ono, ntchito maginito kupatukana chomera wosweka ore pambuyo pazipita tinthu kukula si oposa 500 mm zakuthupi chisanadze ndende, kutaya thanthwe losakanizika zinyalala, kubwezeretsa kalasi ya geological, kupulumutsa mphamvu ndi kuchepetsa kumwa, kupititsa patsogolo mphamvu ya processing plant;

Amagwiritsidwa ntchito poyimitsa, amatha kuchira maginito kuchokera ku thanthwe lotayirira, kuwongolera kuchuluka kwa magwiritsidwe azinthu zachitsulo; Amagwiritsidwa ntchito pochiza zitsulo zachitsulo ku slag; Amagwiritsidwa ntchito potaya zinyalala ndikusankha zitsulo zothandiza.

Osatha maginito youma maginito olekanitsa makamaka ntchito maginito kulekana, ore wogawana pa lamba, pa liwiro zonse kumtunda kwa maginito ng'oma chigawo, pansi pa mphamvu ya maginito, amphamvu maginito mchere adsorb padziko maginito wodzigudubuza lamba, kuthamanga mpaka pansi pa ng'oma ndi kunja kwa munda, kudalira mphamvu yokoka kuti iwonetsetse kagawo, miyala yowonongeka ndi mchere wofooka wa maginito sungakhale mphamvu ya maginito kuti itenge ndi kusunga inertia yake yoyenda, kumanzere kumanzere kwa kutsogolo kwa olekanitsa ore mu tailings slots.

Kuchokera pamawonekedwe ake, cholumikizira chamagetsi chokhazikika cha maginito chimaphatikizapo kuyendetsa galimoto, kulumikiza pini yotanuka, chochepetsera, cholumikizira cholumikizira, kuphatikiza maginito odzigudubuza ndi maginito osinthira maginito ndi magawo ena.

Mfundo zazikuluzikulu zaukadaulo wamapangidwe

1. kwa kukula kwakukulu mu 400 ~ 125 mm wandiweyani wophwanyidwa mankhwala owuma chifukwa cha kukula kwakukulu kwa tinthu tating'onoting'ono, kuphwanya koopsa pambuyo pa lamba, bue ku dipatimenti ya lamba akuyembekezeka kulowa m'dera lolekanitsa ng'oma, ndi kuponyedwa wandiweyani kuti akwaniritse. wololera zinyalala tingati, kuchepetsa tailings wa okhutira maginito chitsulo, siteji iyi ya maginito ng'oma maginito kuya ayenera kukhala lalikulu, kupanga lalikulu particles ore analanda, dongosolo gawo la mankhwala luso mfundo zazikulu: (1) ng'oma awiri, chachikulu ndi bwino, kawirikawiri 1 400 mm kapena 500 mm.

(2) M'lifupi lamba ndi lalikulu momwe zingathere. Kupanga kwakukulu kwa lamba wosankhidwa pakali pano ndi 3 000 mm;

Lamba ndi lalitali momwe angathere mu gawo lolunjika pafupi ndi mutu wa ng'oma, kotero kuti zinthu zosanjikiza zomwe zimalowa m'malo osankhidwa zimakhala zowonda.

(3) Pakuzama kwakuya kwa maginito, kutenga tinthu tating'onoting'ono tomwe timasankhira kukula kwa 300 ~ 400 mm mwachitsanzo, mphamvu ya maginito pamtunda wa 150 ~ 200 mm kuchokera pamwamba pa ng'oma nthawi zambiri imakhala yayikulu kuposa 64kA/m, monga chithunzi 1 ndi Table 1.

(4) Chilolezo pakati pa mbale ndi ng'oma ndi chachikulu kuposa 400 mm, ndipo chikhoza kusinthidwa.

(5) Liwiro lozungulira la ng'oma likhoza kusinthidwa, ndi kusintha kwa Angle yolengeza maginito ndi kusintha kwa chipangizo cholekanitsa, kotero kuti ndondomeko yosankhira ikhale yabwino.

Chithunzi cha 1 Maginito munda mtambo

Table 1 Magnetic field intensity KA /m

Table 1, mphamvu maginito pa 200 mm kuchokera maginito padziko ndi 81.2kA/m, ndi kuti 400 mm kuchokera maginito padziko ndi 21.3kA/m.

(2) Pakuti pazipita tinthu kukula mu 100 ~ 50 mm mu youma kuphwanya mankhwala, chifukwa tinthu kukula kumakhala bwino, zinthu wosanjikiza kupatulira, mapangidwe magawo ndi coarse kuphwanya youma kusankha akhoza kusintha moyenera: ① ng'oma awiri nthawi zambiri. 1 000, 1 200, 1 400 mm.

② lamba ambiri ntchito m'lifupi 1 400, 1 600, 1 800, 2 000 mm;

Lamba ndi lalitali momwe angathere mu gawo lolunjika pafupi ndi mutu wa ng'oma, kotero kuti zinthu zosanjikiza zomwe zimalowa m'malo osankhidwa zimakhala zowonda.

③ Pakuzama kwakuya kwa maginito, kutenga tinthu tating'onoting'ono tating'onoting'ono ta 100 mm mwachitsanzo, mphamvu ya maginito pamtunda wapakati pa 100 ndi 50 mm kuchokera pamwamba pa ng'oma nthawi zambiri imakhala yayikulu kuposa 64kA/m. zikuwonetsedwa mu Chithunzi 2 ndi Gulu 2.

④Chilolezo pakati pa mbale yogawa ndi ng'oma ndi yayikulu kuposa 100 mm, ndipo imatha kusinthidwa.

⑤ Liwiro lozungulira la ng'oma likhoza kusinthidwa, ndi kusintha kwa magnetic declamation Angle ndi kusintha kwa chipangizo cholekanitsa, kotero kuti ndondomeko yosankhira ikhale yabwino.

Chithunzi 2 Mtambo wa maginito

Table 2 Magnetic field intensity KA /m

Table 2, maginito mphamvu pa 100 mm kuchokera maginito padziko ndi 105kA/m, ndi kuti 200 mm kuchokera maginito padziko ndi 30.1kA/m.

(3) Kutaya kowuma kwa zinthu zabwino zokhala ndi tinthu tating'onoting'ono 25 ~ 5 mm, ng'oma yaying'ono m'mimba mwake ndi kuya kwake kwa maginito kumatha kusankhidwa pamapangidwe ndi kusankha, zomwe sizingakambidwe pano.