Magnetic mpaapaemu yɛ adeyɛ a ɛho hia wɔ nnwuma pii mu, a nea ɛka ho ne nneɛma a wotu, nneɛma a wɔsan de di dwuma, ne dade a wɔyɛ. Adeyɛ yi mu titiriw ne... Permanent Magnetic Separator , afiri a ɛma nneɛma a ɛyɛ dade fi nea ɛnyɛ dade mu yiye. Sɛ yɛbɛte nneɛma a ɛwɔ magnetic separators a ɛtra hɔ daa mu ase a, ɛho hia na ama wɔatumi ayɛ mpaapaemu no yiye na wɔahwɛ ahu sɛ ade a etwa to no ho tew.
Magnetic separation de magnetic su a ɛwɔ nneɛma mu no di dwuma de tetew ferrous ne nneɛma a ɛnyɛ ferrous mu. Nneɛma a ɛwɔ magnetic tumi a emu yɛ den no twetwe magnetic field, na ɛma wotumi tetew wɔn ho fi nneɛma a magnetic su a ɛyɛ mmerɛw anaasɛ enni magnetic su biara nni mu no ho. Sɛnea saa adeyɛ yi tu mpɔn no gyina magnetic separator a wɔde di dwuma no su so kɛse.
Magnet a ɛtra hɔ daa ma magnetic field a ɛkɔ so daa a enhia sɛ wonya ahoɔden fibea ahorow a efi abɔnten. Saa su yi ma wotumi de ho to wɔn so kɛse na wɔmfa ahoɔden nsɛe pii ma adwumayɛ a ɛkɔ so daa. Ahoɔden ne sɛnea magnetic field no gyina pintinn no ho hia kɛse ma separator no adwumayɛ a ɛkɔ so daa.
Wɔayɛ magnetic separators a ɛtra hɔ daa no a ɛwɔ nneɛma pɔtee bi a ɛma ɛyɛ adwuma na ɛfata ma dwumadie ahodoɔ. Nneɛma a ɛho hia sen biara no bi wɔ ase ha:
Magnetic ahoɔden a ɛwɔ separator mu no na ɛkyerɛ sɛnea etumi twetwe dade nketenkete. Wɔde magnet a ano yɛ den kɛse a ebetumi akyere dade a ɛyɛ fĩ a eye sen biara mpo ahyɛ magnetic separators a ɛtra hɔ daa no mu. Eyi ma nneɛma a wɔayɛ ho adwuma no ho tew kɛse.
Wɔde nneɛma a ɛyɛ den na ɛyɛe, na magnetic separators a ɛtra hɔ daa no ma ɛtra hɔ kyɛ na egyina adwumayɛ tebea horow a emu yɛ den ano. Sɛnea wɔayɛ no no mma nsɛe pii, na ɛmma ɛho nhia sɛ wɔtaa siesie. Saa ahoɔden a ɛtra hɔ kyɛ yi kyerɛ sɛ bere kɔ so no, adwumayɛ ho ka so tew.
Esiane sɛ magnet ahorow a ɛtra hɔ daa nhia anyinam ahoɔden na ama wɔatumi akura wɔn magnetic ahoɔden mu nti, saa nneɛma a ɛpaapae nneɛma mu yi nsɛe ahoɔden kɛse. Saa ade yi ma wɔyɛ nea eye ma nnwuma a wɔrehwehwɛ sɛ wɔbɛtew ahoɔden a wɔde di dwuma ne adwumayɛ ho ka so.
Magnetic separators a ɛtra hɔ daa no yɛ nea wotumi de di dwuma wɔ mmeae ahorow na wobetumi de afrafra nneɛma ahorow a wɔde yɛ nneɛma mu. Wɔfata ma mmeae a ɛhɔ yɛ kusuu anaa ɛhɔ yɛ nsu na wotumi di nneɛma akɛse ne nneɛma ahorow pii ho dwuma.
Ɛdenam anyinam ahoɔden nneɛma a ɛho nhia a woyi fi hɔ so no, magnetic separators a ɛtra hɔ daa no tew asiane a ɛwɔ anyinam ahoɔden mu asiane mu no so. Wɔn dwumadi nso ma nneɛma a atwa yɛn ho ahyia no so tew denam ahoɔden a wɔde di dwuma a ɛso tew ne nneɛma a wɔde gu mu a wɔasiw ano no so.
Magnetic separators ahorow ahorow a ɛtra hɔ daa wɔ hɔ, na wɔayɛ emu biara ama dwumadie pɔtee bi ne nneɛma no su.
Saa nneɛma a ɛpaapae nneɛma yi yɛ sanku a ɛkyinkyini a wɔde magnet a ɛtra hɔ daa ahyɛ mu. Bere a sanku no di akɔneaba no, dade nneɛma twetwe magnetic field no na ɛtetew fi asuten a ɛnyɛ magnetic field no ho. Drum separators yɛ nea etu mpɔn ma nneɛma a wɔyɛ no kɛse.
Wɔde overband separators asɛn conveyor belts no atifi. Woyi efĩ a ɛyɛ dade fi nneɛma a ɛsen no mu, na wɔhwɛ hu sɛ mfiri a ɛwɔ nsu no ase no yɛ adwuma a biribiara nsɛe no. Saa ɔkwan yi ye ma tramp iron a wɔkɔ so yi fi hɔ.
Mprɛte a wɔpaapae mu no de magnetic mprɛte di dwuma de kyere dade nketenkete a efi nneɛma anaa nsu a ɛyɛ fĩ a ɛtɔ kwa mu. Wɔn ho wɔ mfaso titiriw ma efĩ a woyi fi nneɛma a ɛyɛ granular anaa powdery mu.
Nneɛma a wɔde si dan ne sɛnea wɔyɛɛ magnetic separators a ɛtra hɔ daa no nya wɔn adwumayɛ ne sɛnea ɛfata ma nnwuma pɔtee bi no so nkɛntɛnso kɛse.
Nneɛma a wɔtaa de yɛ magnetic ne ferrite, neodymium dade boron (NdFeB), ne samarium cobalt (SmCo). NdFeB magnets ma magnetic ahoɔden a ɛkorɔn na ɛfata sɛ wɔkyere nneɛma nketenkete, bere a ferrite magnets ho ka sua ma efĩ akɛse.
Ɔdan no bɔ magnet ahorow no ho ban fi ɔsɛe ne efĩ ho. Sɛ wɔde dade a ɛnyɛ den anaa nneɛma afoforo a ɛnyɛ magnetic a ɛtumi nsɛe di dwuma a, ɛma nea ɛpaapae no tumi kyɛ, titiriw wɔ mmeae a ɛhɔ yɛ den anaasɛ ɛhɔ yɛ nsu.
Sɛ́ wɔbɛma magnetic separators a ɛtra hɔ daa no adwumayɛ ayɛ yiye no hwehwɛ nneɛma pii, a nea ɛka ho ne sɛnea wɔahyehyɛ nneɛma a wɔreyɛ ho adwuma no, sɛnea wɔde aduan ma, ne sɛnea nneɛma nketenkete no kɛse te.
Nneɛma bi a ɛpaapae nneɛma mu ma kwan ma wɔyɛ nsakrae wɔ magnetic field ahoɔden mu ma ɛne nneɛma ahorow su hyia. Saa nsakraeɛ yi ma mpaepaemu a ɛyɛ adwuma yie wɔ dwumadie ahodoɔ mu.
Sɛ wopaw separator a ɛwɔ tumi ne ne nsusuwii a ɛfata a, ɛma wohwɛ nneɛma a ɛsen no so yiye. Mfiri a ɛsõ dodo anaasɛ ɛnyɛ kɛse betumi ama wɔanyɛ adwuma yiye na mpaapaemu no so atew.
Wɔde magnetic separators a ɛtra hɔ daa di dwuma wɔ nnwuma ahorow pii mu esiane sɛnea etu mpɔn na wotumi de ho to so nti.
Wɔ tu a wotu mu no, nneɛma a wɔde yiyi nneɛma mu no yi dade a ɛsom bo fi aboɔden abo mu, na ɛma nneɛma a wɔayi no yɛ papa. Wɔsan yi efĩ a ɛyɛ dade a wɔmpɛ a ebetumi aka mfiri a wɔde yɛ nneɛma no fi hɔ.
Nnwumakuw a wɔsan de nneɛma foforo di dwuma no de magnetic separators a ɛtra hɔ daa di dwuma de nya dade a ɛyɛ dade fi nsu a wɔde gu nwura mu mu. Saa nneɛma a wɔsan nya yi ho hia kɛse ma nneɛma a wɔde yɛ adwuma no a ɛbɛkɔ so atra hɔ daa na ɛtew nwura dodow a wɔde kɔ mmeae a wɔtow nneɛma gu no so.
Wɔ saa nnwuma yi mu no, nneɛma a wɔde yiyi nneɛma mu hwɛ hu sɛ nneɛma a wɔde yɛ nneɛma no nni efĩ a ɛyɛ dade, a ebetumi de akwahosan ho asiane aba anaasɛ asɛe nneɛma no mudi mu kura. Nneɛma a ɛyɛ ahotew a wɔde di dwuma wɔ separator adansi mu no ho hia wɔ saa dwumadie yi mu.
Magnetic separators a ɛtra hɔ daa a wɔbɛhwɛ so yiye no ho hia na ama wɔatumi ayɛ adwuma a ɛkɔ so daa na ahobammɔ wɔ adwumayɛbea hɔ.
Nhwehwɛmu a wɔyɛ no daa boa ma wohu sɛnea nneɛma a wɔde yiyi nneɛma mu no asɛe anaasɛ asɛe biara. Sɛ wohohoro magnetic no ani a, ɛma magnetic nneɛma nketenkete no ntumi nkɔ soro, na ɛno betumi atew adwumayɛ so.
Ɛsɛ sɛ wɔn a wɔyɛ adwuma no hwɛ yiye bere a wɔreyɛ adwuma wɔ baabi a ɛbɛn magnetic field a ano yɛ den no. Sɛ wode ɛlɛtrɔnik mfiri ne nneɛma a ɛma magnetic sisi baabi a ahobammɔ wɔ a, esiw akwanhyia ne nnwinnade a ɛsɛe no ano.
Mfiridwuma mu nkɔso ama wɔayɛ magnetic separators a ɛyɛ adwuma yiye na ɛyɛ soronko.
Asase so magnet ahorow a wɔntaa nhu te sɛ neodymium magnet ahorow a wɔde aba no ama magnetic ahoɔden a ɛwɔ mpaapaemufo mu no akɔ soro kɛse. Saa nkɔso yi ma wotumi kyere dade nketenkete a ɛyɛ fɛ yiye.
Ebia nnɛyi nneɛma a wɔde yiyi nneɛma mu no bi ne mfiri a wɔde siesie nneɛma a wɔde wɔn ankasa yɛ a eyi dade nneɛma a wɔakyere a enhia sɛ wɔde nsa de wɔn ho hyɛ mu. Saa ade yi ma ahobammɔ tu mpɔn na ɛtew bere a wɔde yɛ adwuma no so.
Sɛ wɔde magnetic separators a ɛtra hɔ daa a ɛyɛ adwuma yiye di dwuma a, ebetumi anya sikasɛm ne nneɛma a atwa yɛn ho ahyia so mfaso kɛse.
Ɛdenam nneɛma a wɔde yɛ nneɛma no ho tew a wɔma ɛkɔ soro na wɔbɔ nnwinnade a ɛwɔ nsu no ase ho ban fi ɔsɛe ho so no, nneɛma a wɔde yiyi nneɛma mu no tew adwumayɛ ho ka so. Nkwa tenten ne nsiesie a ɛba fam a wɔhwehwɛ no boa bio ma wɔtew ɛka so.
Nneɛma a wɔde yiyi nneɛma mu yiye no ma wotumi san nya dade a ɛsom bo, na ɛtew hia a ehia sɛ wɔyɛ adwuma foforo a wotu fagude no so. Saa nneɛma a wɔkora so yi ne nkɔso a ɛtra hɔ daa botae ahorow hyia.
Nneɛma a wɔde di dwuma ankasa no kyerɛ sɛnea magnetic separators a ɛtra hɔ daa no tu mpɔn wɔ nnwuma ahorow mu.
Adwumayɛbea a wɔde nneɛma a wɔde di dwuma bio a wɔaka abom Permanent Magnetic Separator units kɔ wɔn processing lines mu, na ɛde 20% nkɔanim ba wɔ ferrous metal recovery mu. Saa nkɔso yi ma wonyaa mfaso kɛse na ɛmaa nneɛma a atwa yɛn ho ahyia no so tew.
Adwumakuw bi a wɔyɛ nnuru de magnetic separators a ɛtra hɔ daa dii dwuma de yi efĩ a ɛyɛ dade fii wɔn nneɛma mu. Nea efii mu bae ne sɛ wɔmaa nneɛma no ahobammɔ yɛɛ kɛse na wodii nnwuma ho mmara a emu yɛ den so.
Magnetic separators a ɛtra hɔ daa yɛ nnwinnade a ɛho nhia wɔ magnetic mpaapaemu nhyehyɛe ahorow mu wɔ nnwuma pii mu. Wɔn nneɛma te sɛ magnetic ahoɔden a ɛkɔ soro, ɛyɛ den, ahoɔden a wɔde di dwuma yiye, ne sɛnea wotumi de di dwuma wɔ mmeae pii no boa ma wotumi yɛ adwuma yiye na wɔde di dwuma kɛse. Saa nneɛma yi nteaseɛ ma ahyehyɛdeɛ tumi paw nnwinnadeɛ a ɛfata ma wɔn ahiadeɛ pɔtee, na ɛma adwumayɛ tu mpɔn, ɛho ka so tew, ne nneɛma a atwa yɛn ho ahyia ho mfasoɔ. Bere a mfiridwuma renya nkɔso no, magnetic separators a ɛtra hɔ daa no bɛkɔ so ayɛ, na ama wɔayɛ adwuma kɛse mpo na wɔatumi atra hɔ daa.