Magnetic mpaapaemu ayɛ adeyɛ a ɛho hia fi bere tenten wɔ nnwuma ahorow mu fi nea wotu fagude so kosi nneɛma a wɔsan de di dwuma so. Sɛnea saa adeyɛ yi yɛ adwuma yiye no gyina sɛnea... Magnetic Separation Equipment , a edi dwuma a ɛho hia wɔ dade nneɛma a wɔtetew mu fi nea ɛnyɛ dade mu no mu. Nnyinasosɛm a ɛfa saa mfiri yi adwumayɛ ho ntease ho hia na ama wɔatumi de adi dwuma yiye na ama mfiridwuma mu nneɛma a wɔyɛ no nyinaa atu mpɔn. Saa asɛm yi hwehwɛ nnyinasosɛm atitiriw a ɛwɔ mfiri a ɛma magnetic mpaapaemu akyi no mu kɔ akyiri, na ɛhwehwɛ nyansahu a ɛma ɛyɛ ade titiriw wɔ nnwuma ahorow mu no mu.
Wɔ ne titiriw mu no, magnetic separation yɛ adeyɛ a ɛde magnetic su a ɛwɔ nneɛma bi mu di dwuma de tetew mu fi afoforo ho. Saa kwan yi gyina magnetic tumi a ɛwɔ ferromagnetic nneɛma so no so. Sɛ wɔde saa nneɛma yi to magnetic field mu a, ɛtwetwe anaasɛ ɛtwetwe, na ɛma wotumi yi fi nneɛma a wɔde afrafra mu.
Nnyinasosɛm titiriw no fa magnet anaa anyinam ahoɔden a ɛwɔ adwinnade no mu a wɔde ma magnetic field ho. Wogyina sɛnea magnetic tumi kɔ so nya nneɛma a ɛfa afuw no mu no so nkɛntɛnso. Ferromagnetic nneɛma te sɛ dade ne nikel no twetwe denneennen na wotumi yiyi mu yiye. Paramagnetic nneɛma da twetwe a ɛyɛ mmerɛw adi, bere a wɔpam diamagnetic nneɛma.
Magnetic mpaapaemu mfiri ahorow wɔ hɔ a wɔayɛ sɛ wɔde bedi nneɛma ahorow ne mpaapaemu ahwehwɛde ahorow ho dwuma. Saa ahorow yi ntease boa ma wɔpaw nnwinnade a ɛfata ma mfiridwuma mu ahiade pɔtee bi.
Wɔtaa de drum magnetic separators di dwuma wɔ nnwuma a wotu fagude mu. Wɔyɛ sanku a ɛkyinkyini a magnet ahorow wɔ mu. Wɔde aboɔden abo a wɔde ayɛ aduru no kɔ sanku no so, na magnetic nneɛma nketenkete twetwe sanku no ani, bere a nneɛma nketenkete a ɛnyɛ magnetic no sen kɔ. Saa kwan yi yɛ nea etu mpɔn de yiyi nneɛma a ɛyɛ dade pii mu.
Wɔde overband magnetic separators a wɔsan frɛ no suspended magnets si conveyor belts atifi de yi efĩ a ɛyɛ dade fi nneɛma a wɔde yɛ adwuma no mu. Wɔyɛ nea eye ma nnwuma a ɛsɛ sɛ woyi dade a ɛho ntew fi nneɛma te sɛ fango, abo, anaa aburow mu no.
Wɔde eddy current separators di dwuma de yiyi dade a ɛnyɛ dade fi nneɛma a ɛnyɛ dade mu. Wɔde magnetic rotor a ɛwɔ polarity a ɛsesa di dwuma de kanyan eddy currents wɔ dade a ɛnyɛ dade mu, na ɛma wɔpam wɔn na wɔtew wɔn ho fi nneɛma titiriw no ho.
Nnyinasosɛm a ɛfa magnetic mpaapaemu mfiri ho no di akɔneaba wɔ magnetic tumi awo ntoatoaso ne sɛnea saa tumi ahorow yi ne nneɛma a ɛwɔ magnetic su di nkitaho no ho. Adwinnade no ma magnetic field ba, denam magnet a ɛtra hɔ daa anaa electromagnets so, a ɛde magnetic tumi ba nneɛma a ɛyɛ dade anaa paramagnetic a ɛwɔ ade no mu no so.
Sɛ nneɛma a wɔadi afra fa magnetic field no mu a, nneɛma nketenkete a magnetic tumi yɛ mmerɛw no twetwe kɔ magnetic fibea no so. Saa twetwe yi ma magnetic nneɛma nketenkete no twe ne ho fi nneɛma nketenkete a ɛnyɛ magnetic kwan so, na ɛnam so nya mpaapaemu. Sɛnea saa adeyɛ yi yɛ adwuma yiye no gyina nneɛma te sɛ ahoɔden a ɛwɔ magnetic field no mu, ahoɔhare a nneɛma fa fa field no mu, ne sɛnea nneɛma nketenkete no kɛse ne magnetic tumi a ɛyɛ mmerɛw so.
Wɔde magnet a ɛtra hɔ daa anaa anyinam ahoɔden a ɛma anyinam ahoɔden na ɛyɛ magnetic fields a ɛwɔ mfiri a wɔde yiyi nneɛma mu. Magnet a ɛtra hɔ daa ma magnetic field a ɛkɔ so daa a enhia sɛ wonya ahoɔden a efi akyi, na ɛma ɛyɛ nea ɛmma ahoɔden pii. Nanso anyinam ahoɔden a ɛma anyinam ahoɔden de, ma magnetic field ahoɔden a wotumi sesa, na ɛma wotumi di sɛnea wɔtetew mu no so kɛse.
Nneɛma nketenkete a ɛwɔ magnetic field no mu no kwan a wɔfa so no, wɔn magnetic su no nya so nkɛntɛnso. Magnetic nneɛma nketenkete nya tumi bi a ɛdan kɔ magnet no so, bere a nneɛma nketenkete a ɛnyɛ magnetic no kɔ so fa wɔn mfitiase kwan no so. Ɛdenam akwan a wɔfa so de mmeae a wɔboaboa nneɛma ano si so no, mfiri no tetew magnetic ne nneɛma a ɛnyɛ magnetic mu yiye.
Nneɛma pii nya sɛnea mfiri a wɔde yi nneɛma mu a wɔde magnetic mu no yɛ adwuma yiye no so nkɛntɛnso. Saa nneɛma yi ntease ho hia na ama wɔatumi ayɛ mpaapaemu nhyehyɛe no yiye na wɔanya ahotew dodow a wɔpɛ wɔ nneɛma a wɔatew mu no mu.
Ahoɔden a ɛwɔ magnetic field no mu ne ade titiriw a ɛka sɛnea mpaapaemu no yɛ adwuma yiye. Magnetic field a ano yɛ den no de tumi kɛse ba magnetic nneɛma nketenkete so, na ɛma magnetic a ɛyɛ mmerɛw anaa nneɛma nketenkete a ɛtetew mu no tu mpɔn. Sɛ wɔyɛ nsakrae wɔ magnetic field ahoɔden mu a, ebetumi ama sɛnea wɔpaw nneɛma a wɔde yiyi nneɛma mu no ayɛ kɛse.
Sɛnea nneɛma nketenkete no kɛse ne sɛnea magnetic tumi te no na ɛkyerɛ sɛnea wɔyɛ wɔn ade wɔ magnetic field no ho. Ebia nneɛma nketenkete anaa nea magnetic tumi sua no behia magnetic field a emu yɛ den anaasɛ ahoɔhare a wɔde yɛ adwuma brɛoo na ama wɔatumi atetew mu yiye. Sɛ wɔyɛ nnwinnade no nhyehyɛe ma ɛne nneɛma no su pɔtee hyia a, ɛma adwumayɛ tu mpɔn.
Sɛnea wɔde nneɛma kɔ magnetic mpaapaemu mfiri no mu no nya ɔkwan a wɔfa so yiyi nneɛma mu no so nkɛntɛnso. Ebia aduan a wɔde ma kɛse no bɛtew bere a nneɛma nketenkete no de hyɛ magnetic field no so, na ama mpaapaemu a ɛyɛ adwuma yiye no so atew. Sɛ wɔkari pɛ wɔ aduan a wɔde ma no ne mfiri no tumi mu a, ɛma ɛyɛ adwuma yiye.
Magnetic mpaapaemu mfiri nya dwumadie wɔ nnwuma ahodoɔ mu ɛnam tumi a ɛtumi yi magnetic nneɛma firi afrafra mu yie nti. Nnwuma atitiriw a wɔde saa mfiridwuma yi di dwuma no bi ne:
Wɔ fagude mu no, wɔde magnetic separation di dwuma de yi magnetic minerals fi aboɔden abo mu. Saa kwan yi ma aboɔden abo no yɛ papa denam efĩ a woyi fi hɔ no so, na ɛma wonya nnɔbae pii na ɛyɛ adwuma yiye wɔ nsu no ase.
Mfiri a wɔde yiyi nneɛma mu a magnetic di dwuma titiriw wɔ nneɛma a wɔsan de di dwuma mu denam dade a ɛyɛ dade a woyi fi nwura nsuten mu no so. Ɛnyɛ sɛ saa adeyɛ yi ma wonya dade a ɛsom bo nko, na mmom esiw nnwinnade a ɛsɛe ne efĩ a ɛba mmeae a wɔsan de di dwuma bio no ano nso.
Wɔ nnuan ne nnuruyɛ adwumayɛbea ahorow mu no, magnetic a wɔde yiyi nneɛma mu no hwɛ hu sɛ nneɛma no ho tew denam dade a ɛde efĩ ba a woyi fi hɔ no so. Eyi ho hia kɛse ma akwahosan ne ahobammɔ gyinapɛn ahorow a wobedi ho dwuma na wɔakura nneɛma a wɔyɛ no yiyedi mu.
Mfiridwuma mu nkɔso ama mfiri a wɔde yi magnetic mpaapaemu no adwumayɛ ne nea wotumi yɛ no atu mpɔn kɛse. Nneɛma foforo a wɔayɛ no bi ne magnet ahorow a ahoɔden wom kɛse a wɔayɛ, nhyehyɛe ahorow a wɔde di dwuma a wɔatu mpɔn, ne nnwinnade a wɔayɛ ama nneɛma pɔtee bi.
Sɛ nhwɛso no, magnet ahorow a ɛho yɛ na a wɔde aba no ama magnetic field a emu yɛ den aba, na ama wɔatumi atetew magnetic nneɛma nketenkete anaa nea ɛnyɛ den mu. Bio nso, nnɛyi nhyehyɛe ahorow a wɔde di dwuma ma wotumi hwɛ nneɛma so na wɔyɛ nsakrae wɔ bere ankasa mu, na ɛma mpaapaemu nhyehyɛe no yɛ pɛpɛɛpɛ na ɛyɛ adwuma yiye.
Sɛ yɛbɛkyerɛ sɛnea wɔde magnetic separation mfiri di dwuma yiye a, momma yɛnhwehwɛ nnwuma mu nsɛm bi a wɔayɛ a mfiri a ɛtete saa a wɔde adi dwuma no ama wɔanya nkɔso kɛse no mu.
Adwumakuw bi a wotu dade a wɔyɛ dade a wɔde yɛ nneɛma no de mfiri a ɛkɔ anim a wɔde yiyi nneɛma mu a wɔfrɛ no magnetic dii dwuma de maa wɔn nneɛma no ho tew kɛse. Ɛdenam magnetic field ahoɔden ne aduan a wɔde ma no a wɔyɛɛ no yiye so no, wonyaa nkɔanim 5% wɔ dade a ɛwɔ mu bere a wɔtew efĩ so no. Saa nkɔso yi maa gua so bo kɔɔ soro na ɛka a wɔbɔ wɔ nneɛma a wɔyɛ ho no so tew.
Wɔde magnetic separators a ano yɛ den kɛse kaa adwumayɛbea bi a wɔsan de nneɛma di dwuma ho de yii dade a ɛyɛ dade fi kurow no mu nwura mu. Dwumadie no maa dadeɛ a wɔsan nya no kɔɔ soro 20%, na ɛboaa ma nneɛma a atwa yɛn ho ahyia no kɔɔ so daa na ɛmaa sika foforɔ firii nneɛma a wɔasan de adi dwuma mu.
Sɛ wɔpaw mfiri a ɛfata a wɔde yiyi magnetic mu a, ɛhwehwɛ sɛ wosusuw nneɛma pii ho yiye, a nea ɛka ho ne sɛnea nneɛma a wɔbɛyɛ no te, ahotew dodow a wɔpɛ, ne anohyeto ahorow a ɛwɔ adwumayɛ mu.
Sɛ wo ne abenfo besusuw ho na wɔasan ahwɛ nneɛma pɔtee bi mu a, ebetumi aboa ma wɔapaw nnwinnade a edi oprehyɛn bi ahiade pɔtee ho dwuma. Ɛsɛ sɛ wɔhwehwɛ nneɛma te sɛ magnetic field ahoɔden, nnwinnade kɛse, ne nsiesie ahwehwɛde ahorow mu na ama wɔahwɛ ahu sɛ ɛyɛ adwuma yiye.
Nsiesiei a wɔyɛ no daa ho hia na ama mfiri a wɔde yiyi nneɛma mu a wɔde magnetic ayɛ adwuma a wotumi de ho to so. Nhwehwɛmu a wɔayɛ ho nhyehyɛe, ahotew, ne magnetic field ahoɔden a wɔsɔ hwɛ boa ma wɔkɔ so yɛ adwuma yiye na wosiw bere a wɔde gyae adwuma a wɔnhwɛ kwan no ano.
Ahobammɔ nso yɛ ade titiriw a ɛsɛ sɛ wosusuw ho. Ɛsɛ sɛ wɔtete wɔn a wɔde di dwuma no ma wodi magnetic field a ano yɛ den ho dwuma dwoodwoo, na ɛsɛ sɛ wɔyɛ nnwinnade a ahobammɔ wom na wɔasiw akwanhyia ano, titiriw wɔ mmeae a wɔde magnet akɛse di dwuma no.
Magnetic separation mfiridwuma daakye yɛ nea ɛhyɛ bɔ, na nhwehwɛmu a ɛkɔ so no twe adwene si sɛnea wɔbɛma adwumayɛ atu mpɔn na wɔatrɛw dwumadie mu. Nkɔso a aba wɔ magnet a ɛboro so ne nneɛma a ɛma magnetic mu no betumi ama magnetic field a emu yɛ den mpo ne akwan a etu mpɔn a wɔfa so yiyi nneɛma mu aba.
Afei nso, sɛ wɔde mfiri a wɔde yiyi magnetic mu ne mfiridwuma afoforo te sɛ optical sorting ne artificial intelligence bɛka abom a, ebetumi asakra nnwuma a wɔyɛ nneɛma ho adwuma no. Nkabom a ɛte saa no botae ne sɛ wobenya ahotew dodow a ɛkorɔn na wɔayɛ mpaapaemu nhyehyɛe no wɔ ɔkwan a ɛyɛ adwuma so ama adwumayɛ atu mpɔn.
Nnyinasosɛm a ɛfa magnetic separation mfiri ho adwumayɛ ho ntease yɛ ade titiriw ma nnwuma a wɔde wɔn ho to nneɛma a wɔpaapae mu yiye so. Tumi a wotumi yiyi magnetic fi nneɛma a ɛnyɛ magnetic mu no ma nneɛma a wɔyɛ no yɛ papa, ɛma adwumayɛ yɛ yiye, na ɛboa ma nneɛma a atwa yɛn ho ahyia no kɔ so tra hɔ. Ɛdenam nnwinnade a ɛfata a wɔpaw ne adwumayɛ ho nhyehyɛe a wɔyɛ no yiye so no, nnwumakuw betumi de mfaso a ɛwɔ so no adi dwuma koraa Magnetic Separation Equipment wɔ wɔn akwan horow mu. Nkɔso a ɛkɔ so no hyɛ bɔ sɛ wobenya tumi kɛse mpo, na ɛma magnetic mpaapaemu yɛ mfiridwuma a ɛrenya nkɔso na ɛho hia wɔ nneɛma a wɔyɛ ho nnwuma mu.