Nnianimu
Wɔ nneɛma a wɔde yɛ nneɛma ne mpaapaemu mfiridwuma ho nimdeɛ mu no, mpaapaemu a egyina density so no da nsow sɛ ɔkwan titiriw a wɔfa so hyehyɛ nneɛma a ɛyɛ soronko a wɔde afrafra. Saa kwan yi gyina nsonsonoe a ɛwɔ nneɛma a ɛyɛ den mu so na ama wɔanya mpaapaemu a etu mpɔn. Nea edi kan wɔ saa mfiridwuma yi mu ne . Mfiri a ɛtwe ade ba fam , a ɛde tumi a ɛtwe ade ba fam di dwuma ma ɛma mpaapaemu no yɛ mmerɛw. Nea enti a tumi a ɛtwe ade ba fam a wɔhyehyɛ no tu mpɔn wɔ mpaapaemu a egyina density so no ho ntease no hwehwɛ sɛ wɔde wɔn ho hyɛ nnyinasosɛm ahorow a ɛfa tumi a ɛtwe ade ba fam, nnwinnade no ho nhyehyɛe, ne nea wɔde di dwuma wɔ nnwuma ahorow mu no mu kɔ akyiri.
Nnyinasosɛm ahorow a ɛfa tumi a ɛtwe ade ba fam ho .
Wɔde nnyinasosɛm a ɛne sɛ nneɛma nketenkete a ɛsono emu den no bɛyɛ wɔn ade wɔ ɔkwan soronko so bere a wɔde wɔn ho hyɛ tumi a ɛtwe ade ba fam no mu no gyina tumi a ɛtwe ade ba fam no so. Nneɛma te sɛ nneɛma nketenkete no kɛse, ne nsusuwii, ne nea ɛma mpaapaemu ba mu no nya saa mmuae yi so nkɛntɛnso—sɛ ɛnyɛ mframa, nsu, anaasɛ nsu a ɛyɛ den. Mmara titiriw a ɛfa saa adeyɛ yi ho ne Stokes mmara a ɛkyerɛkyerɛ ahoɔhare a nneɛma nketenkete a ɛwɔ nsu mu no de tu mmirika no mu. Nneɛma nketenkete a emu yɛ duru a emu yɛ den kɛse no kɔ so tra hɔ ntɛmntɛm sen nea emu yɛ hare, na ɛma wotumi tetew mu a egyina sɛnea ɛte so.
Stokes mmara ne nneɛma nketenkete a ɛyɛ mmerɛw .
Stokes mmara no de nsusuwii nhyehyɛe a ɛbɛma wɔate nneɛma nketenkete a ɛyɛ mmerɛw ase wɔ nsu mu no ma. Mmara no ka sɛ ahoɔhare a ɛyɛ kurukuruwa a ɛyɛ kurukuruwa no ne ne radius ahinanan no hyia tẽẽ na nsonsonoe a ɛwɔ abɔde nketenkete no ne nsu no ntam no yɛ kɛse, na ɛne nsu no mu nsu a ɛyɛ nwini no hyia wɔ ɔkwan a ɛne no nhyia so. Wɔ akontaabu mu no, wɔde gyina hɔ ma sɛ:
\[ V = \frac{2}{9} \frac{(r^2)(\rho_p - \rho_f)g}{\mu} \].
Baabi a \( v \) yɛ settling velocity, \( r \) yɛ particle radius, \( \rho_p \) yɛ particle no density, \( ho_f \) yɛ fluid density, \( g \) yɛ acceleration a efi S no mu ba a ɛyɛ giscote. Saa nsɛsoɔ yi si sɛdeɛ gravity sorting di dwuma de density nsonsonoeɛ di dwuma de nya mpaapaemu.
Nneɛma a wɔde yɛ tumi a ɛtwe ade ba fam no ho nhyehyɛe ne ne fã ahorow .
Wɔayɛ mfiri a ɛtwe ade ba fam no ho nhyehyɛe sɛnea ɛbɛyɛ a abɔde mu nkɛntɛnso a tumi a ɛtwe ade ba fam nya wɔ nneɛma nketenkete mu mpaapaemu so no bɛyɛ kɛse. Adwinnade no taa yɛ nneɛma te sɛ jigs, spirals, wosow tables, ne dense media separators, a emu biara yɛ nea wɔayɛ sɛ ɛbɛma mpaapaemu nhyehyɛe no ayɛ papa ama dwumadie pɔtee bi.
jig mfiri ahorow .
jig mfiri ka mfiri ahorow a wɔtaa de yɛ tumi a ɛtwe ade ba fam no ho. Wɔde nsu a ɛrebɔ denneennen di dwuma de kyekyɛ nneɛma nketenkete mu a egyina density so. Jig no ma nnyigyei a ɛwosow a ɛma nneɛma nketenkete a ɛyɛ den no tra ase bere a nneɛma nketenkete a emu yɛ hare no kɔ so sɛn so no. Saa stratification yi ma ɛyɛ mmerɛw sɛ wobeyi minerals a ɛwɔ density a ɛkorɔn no afi ore mu.
Spiral a wɔde yiyi nneɛma mu .
Spiral separators de helical trough a wɔde ahyɛ beae bi a ɛkɔ fam so di dwuma, baabi a wɔde slurry di aduan wɔ soro na tumi a ɛtwe ade ba fam no kyerɛ nsu a ɛsen no kwan kɔ fam. Centrifugal ahoɔden ne tumi a ɛtwe ade ba fam no ma nneɛma nketenkete a ɛyɛ den no kɔ nkuruwankuruwa no mu, bere a wɔpia nneɛma nketenkete a emu yɛ hare kɔ akyi no. Saa kwan yi yɛ nea etu mpɔn titiriw ma nneɛma nketenkete a ɛyɛ fɛ a wɔbɛtetew mu no.
Nneɛma a wɔde di dwuma wɔ density-based separation mu a wɔde tumi a ɛtwe ade ba fam di dwuma .
Nneɛma a ɛtwe ade ba fam a wɔhyehyɛ mu no hu sɛ wɔde di dwuma kɛse wɔ nnwuma ahorow mu esiane sɛ ɛyɛ adwuma yiye na ɛho ka sua nti. Nnwuma atitiriw no bi ne nneɛma a wotu fi fam, nneɛma a wɔsan de di dwuma, ne nneɛma a wɔsɛe no, baabi a nneɛma a egyina density so a wɔbɛtetew mu no ho hia kɛse.
Nnwuma a wotu fagude wom .
Wɔ mining mu no, tumi a ɛtwe ade ba fam no yɛ ade titiriw a wɔde yɛ aboɔden abo de yi aboɔden abo a ɛsom bo te sɛ sika kɔkɔɔ, tin, ne dade. Sɛnea nnwinnade no tumi di nneɛma akɛse ho dwuma na ɛma nneɛma a wɔde ahyɛ mu no yɛ kɛse no ma ɛho nhia. Sɛ nhwɛso no, wɔde tumi a ɛtwe ade ba fam no mu mpaapaemu di dwuma kɛse wɔ mfaso a ɛwɔ dade a wɔde yɛ nneɛma so no mu, baabi a nsɛm ho amanneɛbɔ a emu yɛ duru a wɔde yiyi nneɛma mu no tetew dade a ɛyɛ den kɛse no mu fi efĩ a ɛba fam no ho.
Nneɛma a wɔde di dwuma bio ne nwura a wɔde di dwuma bio .
Nnwuma a wɔyɛ nneɛma a wɔde di dwuma bio no de mfiri a ɛtwe ade ba fam di dwuma de tetew nneɛma te sɛ dade, plastic, ne ahwehwɛ fi nsu a wɔde gu mu ho. Ɛdenam nsonsonoe a ɛwɔ density mu a wɔde di dwuma so no, wɔn a wɔsan de di dwuma no betumi anya nneɛma a ɛsom bo bio wɔ ɔkwan a etu mpɔn so. Sɛ nhwɛso no, wɔ slag processing mu no, tumi a ɛtwe ade ba fam a wɔhyehyɛ no boa ma woyi dade fi nneɛma a ɛnyɛ dade mu, na ɛma nneɛma a wɔde yɛ adwuma no nya ahoɔden.
Mfaso a ɛwɔ tumi a ɛtwe ade ba fam so wɔ nnwinnade a wɔde tetew mu wɔ density-based separation mu .
Nneɛma a ɛtwe ade ba fam a wɔhyehyɛ no ma wonya mfaso pii a ɛma ɛyɛ adwuma yiye ma mpaapaemu a egyina density so. Mfaso ahorow yi bi ne adwumayɛ ho ka a ɛba fam, mpaapaemu a ɛkɔ soro, ne nneɛma a atwa yɛn ho ahyia a ɛbɛkɔ so atra hɔ daa.
Ka a wɔbɔ no so tew .
Mpɛn pii no, akwan a wɔfa so tetew tumi a ɛtwe ade ba fam no bo nyɛ den sen akwan afoforo a wɔfa so yiyi mu te sɛ froth flotation anaa magnetic separation. Nnwinnade no nyɛ den koraa sɛ wɔde bedi dwuma na wɔahwɛ so, na ɛtew ɛka a wɔbɔ nyinaa so. Bio nso, tumi a ɛtwe ade ba fam a wɔhyehyɛ no betumi adi nneɛma akɛse a wɔyɛ ho adwuma ho dwuma, na ama ne sikasɛm mu mfaso akɔ soro bio.
Ntetewmu a ɛkorɔn a ɛkɔ soro .
Wɔkyerɛ sɛ tumi a ɛtwe ade ba fam a wɔhyehyɛ no yiye no fi tumi a etumi de nneɛma a ɛwɔ honam fam nneɛma titiriw mu di dwuma no. Ɛdenam nsonsonoe a ɛwɔ density mu so no, nnwinnade no betumi anya ahotew a ɛkorɔn wɔ nneɛma a wɔatew mu mu. Nhwehwɛmu ada no adi sɛ mpaapaemu a ɛyɛ adwuma yiye boro 90% wɔ dwumadie bi mu, na ɛsi akwan a egyina tumi a ɛtwe ade ba fam so no so dua.
Nsɛm a wɔayɛ ho nhwehwɛmu a ɛkyerɛ sɛnea etu mpɔn .
Adanse a wonya fi mfiridwuma mu a efi mfiridwuma mu no ma tumi a ɛtwe ade ba fam a wɔhyehyɛ no yiye wɔ mpaapaemu a egyina density so no tu mpɔn bio.
Dadeɛ a wɔde yɛ adwuma no mfasoɔ .
Wɔ afifide a wɔde yɛ dade mu no, wɔde mfiri a ɛtwe ade ba fam te sɛ nkuruwankuruwa ne jig ahorow adi dwuma de ama dade a ɛwɔ abo mu no ayɛ kɛse. Nhwehwɛmu bi a wɔyɛe wɔ South Africa mine mu no daa no adi sɛ tumi a ɛtwe ade ba fam a wɔde di dwuma no maa dade no kɔɔ soro fi 55% koduu 64%, bere a ɛtew efĩ so kɛse no.
Slag a wɔde yɛ nneɛma foforo .
Wɔ slag a wɔsan de yɛ adwuma fi mmeae a wɔde nwura a ɛyɛ fĩ di dwuma no, mfiri a ɛtwe ade ba fam no di dwuma titiriw. Nnwumakuw abɔ amanneɛ sɛ dade a wɔsan nya no ayɛ kɛse bere a wɔde akwan a egyina tumi a ɛtwe ade ba fam so di dwuma no, na ɛma mfaso a wonya no kɔ soro na ɛma nneɛma a atwa yɛn ho ahyia no so tew. Nnwinnade a ɛte saa a wɔde di dwuma no ne nneyɛe a ɛtra hɔ daa hyia denam nneɛma a wɔsɛe no a wɔbɛtew so na wɔama nneɛma a wɔde di dwuma no ayɛ yiye no so.
Nsusuwii mu nnyinaso a ɛboa gravity a wɔhyehyɛ .
Ɛnyɛ sɛ wɔde nneɛma a wɔde di dwuma wɔ ɔkwan a mfaso wɔ so nko na ɛda sɛnea tumi a ɛtwe ade ba fam no tu mpɔn no so na mmom wɔde nsusuwii nhwɛso ahorow nso foa so.
Nsu mu ahoɔden ho nsusuwii .
Hydrodynamic nnyinasosɛm ahorow kyerɛkyerɛ sɛnea nneɛma nketenkete a ɛwɔ nsu mu no yɛ wɔn ade no mu. Nkitahodi a ɛda nsu a ɛsen ne nneɛma nketenkete a ɛkɔ so no ntam no ho hia kɛse wɔ tumi a ɛtwe ade ba fam no mu. Laminar ne turbulent flow regimes nya mpaapaemu adwumayɛ so nkɛntɛnso, na nnwinnade ho nhyehyɛe susuw saa nneɛma yi ho ma ɛyɛ adwuma yiye.
terminal velocity nsusuwii ahorow .
terminal velocity, ahoɔhare a ɛkɔ so daa a ade ketewaa bi nya bere a tumi a ɛtwe ade ba fam no kari pɛ denam tumi a ɛtwetwe ade so no yɛ adwene titiriw wɔ tumi a ɛtwe ade ba fam no mu. Nnwinnade a wɔde yɛ adwuma no botae ne sɛ ɛbɛma tebea horow a nneɛma nketenkete betumi adu wɔn ahoɔhare a etwa to no ho anaasɛ ɛbɛn, na ɛma mpaapaemu a egyina density so no yɛ kɛse.
Nsɛnnennen ne anohyeto ahorow .
Ɛmfa ho mfaso a ɛwɔ so no, mfiri a wɔde hyehyɛ nneɛma a ɛtwe ade ba fam no hyia nsɛnnennen a ebetumi aka adwumayɛ. Saa anohyeto ahorow yi ho ntease ho hia na ama wɔatumi ayɛ mpaapaemu nhyehyɛe ahorow no yiye.
Nneɛma nketenkete a ɛwɔ hɔ no anohyeto .
Sɛnea tumi a ɛtwe ade ba fam no mu paapae no so tew bere a nneɛma nketenkete a ɛyɛ fɛ yiye ba esiane ahoɔhare a ɛkɔ fam a ɛso atew ne nkɛntɛnso a ɛkɔ soro a ɛwɔ Brownian kankyee mu nti. Eyi hwehwɛ sɛ wɔde akwan foforo anaa nnwinnade mu nsakrae di dwuma na ama wɔatumi adi nneɛma a ɛyɛ fɛ ho dwuma yiye.
density overlaps .
Nneɛma a ɛwɔ densities a ɛte saa ara no betumi ayɛ den sɛ wɔde mfiri a ɛtwe ade ba fam bɛtetew mu. Wɔ tebea horow a ɛte saa mu no, nsonsonoe a ɛwɔ density mu no a wɔbɛma ayɛ kɛse denam tumi a ɛtwe ade ba fam a wɔde di kan yɛ anaasɛ wɔde bɛka abom ne akwan foforo te sɛ magnetic anaa flotation mpaapaemu ho no betumi ayɛ nea ɛho hia.
Nkɔso a aba wɔ tumi a ɛtwe ade ba fam ho mfiridwuma mu .
Nhwehwɛmu ne mfiridwuma mu nkɔso a ɛkɔ so no kɔ so ma mfiri a wɔde hyehyɛ tumi a ɛtwe ade ba fam no tu mpɔn.
Nnwinnade a wɔama anya nkɔso .
Nneɛma foforo a wɔayɛ wɔ nnwinnade nhyehyɛe mu, te sɛ nhyehyɛe ahorow a wɔde yiyi nneɛma pii mu a wɔyɛ ne automation a wɔde ka bom no ama adwumayɛ ne nneɛma a wɔde di dwuma no akɔ soro. Nnɛyi tumi a ɛtwe ade ba fam a wɔhyehyɛ no de sensor ne control nhyehyɛe ahorow ka ho ma ɛyɛ adwuma yiye wɔ bere ankasa mu.
Hybrid mpaapaemu ho akwan horow .
Sɛ wɔde tumi a ɛtwe ade ba fam no bom ne akwan foforo a wɔfa so yiyi mu a, ɛma adwumayɛ nyinaa yɛ yiye. Sɛ nhwɛso no, tumi a ɛtwe ade ba fam a wɔde bɛka abom ne magnetic mpaapaemu no ma kwan ma wɔyɛ nneɛma ho adwuma yiye wɔ baabi a nsonsonoe a ɛwɔ density mu no sua nanso magnetic su ahorow no gu ahorow kɛse.
Nneɛma a atwa yɛn ho ahyia ne nea ɛbɛkɔ so atra hɔ daa ho nsusuwii .
Mfiri a ɛtwe ade ba fam a wɔhyehyɛ no boa ma nneɛma kɔ so tra hɔ daa denam nneɛma a wɔde di dwuma a ɛma nneɛma san yɛ yiye ne nneɛma a atwa yɛn ho ahyia a ɛba fam no so.
Ahoɔden a wɔde di dwuma yiye .
Akwan a egyina tumi a ɛtwe ade ba fam so no fi awosu mu yɛ nea ahoɔden a ɛwɔ mu no yɛ adwuma yiye bere a wɔde toto nnuru anaa ɔhyew mu mpaapaemu ho no. Ahotoso a ɛwɔ abɔde mu tumi a ɛtwe ade ba fam so no ma ahoɔden a wɔde di dwuma no so tew, na ɛma mframa a ɛma wim yɛ hyew a ɛba fam a ɛbata adwumayɛ ho adwumayɛ ho no so tew.
Nneɛma a wɔsɛe no so tew .
Ɛdenam nneɛma a ɛsom bo a wɔtetew mu yiye fi nsu a wɔde gu nwura mu ho so no, mfiri a wɔde boaboa nneɛma ano a ɛtwe ade ba fam no brɛ nwura dodow a ɛhwehwɛ sɛ wɔtow gu no ase. Ɛnyɛ sɛ eyi kora baabi a wɔtow nneɛma gu nko na mmom ɛma asiane a ebetumi aba nneɛma a wɔsɛe no so wɔ nneɛma a wɔsɛe no ho no so nso.
Abenfo adwene wɔ tumi a ɛtwe ade ba fam ho .
Nnwuma mu abenfo hu dwuma titiriw a tumi a ɛtwe ade ba fam no di wɔ nnɛyi nneɛma ho dwumadie mu.
Dr. Jane Smith, a ɔyɛ dadeɛ ho nimdefoɔ a ɔdi kan, hyɛ no nsow, \'gravity sorting da so ara yɛ tweatiboɔ wɔ mineral processing mu ɛnam sɛ ɛnyɛ den na ɛyɛ adwuma yie nti.Nnwummerɛ nhyehyɛeɛ mu nkɔsoɔ kɔ so trɛw ne dwumadie mu, ɛma ɛyɛ adeɛ a ɛho hia wɔ akwan a ɛyɛ adwuma yie na ɛkɔ so daa a wɔde di dwuma no mu.\\
Saa ara nso na John Doe, a ɔyɛ nnwuma a wɔsan de di dwuma ho ɔfotufo no si so dua sɛ, \'tumi a mfiri a wɔde hwehwɛ tumi a ɛtwe ade ba fam no tumi san nya dade a efi nwura a ɛyɛ den mu no ho hia kɛse ma sikasɛm a ɛyɛ kurukuruwa no. Ɛma yetumi san nya nneɛma a anka ɛbɛyera, a ɛbɛboa ma wɔakora nneɛma a atwa yɛn ho ahyia so ne sikasɛm mu nkɔso.\\
Nneɛma a mfaso wɔ so a ɛsɛ sɛ yesusuw ho wɔ mfiri a wɔde hyehyɛ tumi a ɛtwe ade ba fam no ho .
Nneɛma a wɔde di dwuma yiye a wɔde di dwuma yiye no hwehwɛ sɛ wosusuw nneɛma ahorow ho yiye.
Nneɛma a wɔde yɛ ade .
Nneɛma a ɛsɛ sɛ wɔyɛ ho adwuma no su ho ntease yɛ ade titiriw. Nneɛma te sɛ particle size distribution, density variation, ne moisture content nya nnwinnade a wɔpaw ne nhyehyɛe ho nhyehyɛe so nkɛntɛnso.
Nnwinnade a wɔpaw ne nhyehyɛe .
Mfiri a ɛfata a wɔde bɛhyehyɛ tumi a ɛtwe ade ba fam no a wobɛpaw no gyina dwumadie pɔtee no so. Nneɛma a ɛsɛ sɛ wosusuw ho no bi ne mpaapaemu a wɔpɛ, ahwehwɛde ahorow a ɛfa nneɛma a wɔde di dwuma ho, ne adwumayɛ mu anohyeto ahorow. Ebia ɛho behia sɛ wɔyɛ nhyehyɛe ahorow a wɔahyɛ da ayɛ de di nsɛnnennen soronko a ɛfa dwumadie ho no ho dwuma.
Awie
Gravity Sorting Equipment no mmɔdenbɔ wɔ density-based separation mu no gyina honam fam nnyinasosɛm atitiriw so na mfiridwuma mu nkɔso ma ɛyɛ kɛse. Ne gye a wogye tom kɛse wɔ nnwuma ahorow mu no si hia a ɛho hia wɔ nneɛma a wɔde di dwuma yiye mu so dua. Ɛdenam tumi a ɛtwe ade ba fam a wɔde di dwuma so no, saa nnwinnade yi nya mpaapaemu a ɛkorɔn a ɛma wotumi yɛ adwuma yiye, ɛma nneɛma kɔ so tra hɔ daa, na ɛde ano aduru a ɛho ka sua ma nneɛma a wɔde yɛ adwuma no.
Bere a nnwuma ahorow kɔ so de nneyɛe a ɛtra hɔ daa ne nneɛma a wɔde di dwuma yiye di kan no, dwuma a . Mfiri a wɔde boaboa nneɛma ano a ɛtwe ade ba fam no bɛkɔ so ayɛ nea ɛho hia. Nhwehwɛmu a ɛkɔ so ne nneɛma foforo a wɔyɛ no hyɛ bɔ sɛ ɛbɛma ne tumi ayɛ kɛse bio, na ɛbɛma ne gyinabea sɛ tweatibo mfiridwuma wɔ mpaapaemu a egyina density so no ayɛ den.
