Alumina Nkuku a Wɔde Yɛ Kube

 

 

adwadeɛ

01.

Nea Ɛyɛ

Alumina dɔte kuruwa nyɛ ade a ɛyɛ den. Ɛyɛ alumina a ɛyɛ den kɛse a wɔayɛ no sɛ ahinanan anaa ahinanan, a wɔde hyehyɛ mfiridwuma mu nnwinnade mu. Wuhu wɔn wɔ chutes, hoppers, bins, transfer points, cyclones, ne feeders mu. Baabiara a saa ade kɛse no kɔ – ore, fango, semɛnte, sinter, nsõ – dade a ɛwɔ ase no sɛe. Kube no gye asotwe no mmom.

02.

Baabi a Ɛkɔ

Mfaso titiriw a ɛwɔ so no yɛ mmerɛw. Ebia dade chute bi bɛtra hɔ asram asia. Ceramic cube liner, sɛ wɔde si hɔ yiye a, ebetumi atra hɔ mfe abiɛsa kosi anum. Wɔ obi a ɔyɛ adwumayɛbea no fam no, ɛno kyerɛ sɛ wɔbɛto mu kakraa bi, wɔrenhyehyɛ welding a egye ntɛmpɛ pii, na wɔbɛyɛ nhyehyɛe a wɔde besiesie a wobetumi ayɛ ho nhyehyɛe atwa ho ahyia. Wɔ obi a ɔtɔ nneɛma akɛse fam no, ɛkyerɛ sɛ wɔkra nneɛma mpɛn pii na adetɔfo a wɔtra hɔ esiane sɛ ade no yɛ adwuma ankasa nti.

Yɛayɛ saa kuruwa yi bɛboro mfeɛ aduonu nnum ni. Ɛnyɛ standard 50×50 mm blocks nko, na mmom bɛboro mpem abien nsakrae – tapered cubes ma curved chutes, interlocking designs ma vibrating feeders, cubes a spherical bumps ma high‐impact zones, ne mosaic cubes nketewa ma tight radii. Sɛ adetɔfo bi de mfonini bi mena a, yebetumi ayɛ die na yɛayɛ sɛnea ɛte no.

Nneɛma a Wɔde Yɛ Nneɛma a Wɔde Yɛ Adwuma

Nneɛma a wɔde yɛ no yɛ alumina powder a wɔayam. Sɛ yɛpɛ grades a ɛboro 95% a, yɛde powder no fi amannɔne ba sɛnea ɛbɛyɛ a iron ne sodium bɛkɔ fam koraa. Adetɔfoɔ binom hia saa ahotew no – sɛ nhwɛsoɔ no, lithium battery material plants a dadeɛ 10 ppm mpo sɛe ade no.

Powder no fa owiyammo a ɛyɛ nsu mu ma ɛyɛ nea ɛyɛ pɛ, afei afiri a wɔde petepete so dan no ma ɛyɛ granules a ɛsen fa ahofadi mu. Forming gyina cube kɛse so. Wɔde kuruwa nketewa (a ɛkɔ mm 50) a ɛyɛ dry‐pressed. Kube akɛse de isostatic pressing a ɛyɛ nwini na edi dwuma. Isostatic pressing de nhyɛso fi mmeae nyinaa ba, enti density no yɛ pɛ wɔ mfinimfini sɛnea ɛwɔ soro no. Kube a wɔahyɛ no dry‐pressed betumi anya mfinimfini a ɛnyɛ den pii, na ɛsɛe ntɛmntɛm na ɛma nneɛma a ɛnyɛ pɛpɛɛpɛ ba. Yɛde isostatic pressing di dwuma ma cubes a ɛboro 50 mm nyinaa – anammɔn a akansifo pii twa so de sie sika.

Cubes a ɛyɛ nwunu

 

Sɛ womia wie a, kuruwa no wow nkakrankakra. Sɛ wɔde ahopere yɛ drying no ma micro‐cracks ba. Mfiase no, wontumi nhu saa mpaapaemu no, nanso enyin bere a wɔabɔ no. Afei kuruwa a ayow no kɔ fononoo a wɔde fa mu mu wɔ digrii 1500–1550 mu . Wɔ saa ɔhyew no mu no, alumina nnua no fuse. Bulk density du botaeɛ no ho, na nsuo a wɔtwetwe no kɔ fam nnu 0.01%.

Nneɛma pa a wɔhwɛ so

 

Quality control si batch biara. Wɔde X‐ray fluorescence di nnuru a ɛwɔ mu no ho adanse. Wɔde Vickers indenter sɔ sɛnea ɛyɛ den hwɛ. Yɛsan nso hwɛ random samples sɛ crush ahoɔden ne dimensional pɛpɛɛpɛ. Wɔpow kuruwa a wɔapaapae, apaapae, anaasɛ wontumi nnye ntom. Bɛyɛ 2–3% a wɔyɛ no mfi adwumayɛbea hɔ da.

Shape Range ne Nnwinnade a Wɔayɛ no Amanneɛbɔ

 

Nea ɛma yɛyɛ soronko wɔ wɔn a wɔde nneɛma ma pii ho ne sɛnea yɛyɛ nneɛma ahorow. Yɛhwɛ dies so ma bɛboro mpem abien ahorow ahorow cube nhyehyɛe – a tapered cubes, interlocking blocks, cubes a spherical bulges, fan‐shaped tiles a ntokuru, ne H‐series concavex designs ka ho. Sɛ adetɔfo bi hia sɛnea wɔyɛ no sɛnea wɔpɛ a, yebetumi ayɛ die foforo. Bere a wɔde di dwuma no yɛ adapɛn anan kosi asia.

Mfiridwuma Ho Nsɛm (Typical Values) .

Table a ɛwɔ aseɛ ha no kyerɛ agyapadeɛ a ɛtaa ba ma yɛn abasobɔdeɛ titire no. Batch certificates wɔ hɔ ma shipment biara.

TW92S ne TW95S yɛ toughness grades a ɛkorɔn ma mmeae a ɛyɛ mmerɛw sɛ ɛbɛbɔ.

Kube akɛse a wɔtaa de di dwuma (tenten × ne tɛtrɛtɛ, ne kɛse a ɛsakra):

23×23 mm (a ɛwɔ kurukuruwa a ɛyɛ kurukuruwa) .

35.7×35.7 mm (kube anaa block) .

38×38 mm, 40×40 mm, 50×50 mm (a ɛyɛ petee anaasɛ wɔatoto mu) .

100×100 mm, 150×100 mm, 300×300 mm

Kuruwa a wɔayɛ no teateaa: 21.3/15.8 × 21.3/15.8 mm, 42.5/31.6 × 42.5/31.6 mm, ne nea ɛkeka ho.

Mosaic kuruwa: 12×12 mm, 17.5×17.5 mm, 20×20 mm, 25×25 mm

Swallow‐tail (A‐ST) ne concavex (H‐series) nhyehyɛe ahorow a wɔde yɛ mfiri a ɛka bom

Nneɛma akɛse ne nsusuwii bɛboro mpem abien na ɛwɔ hɔ. Sɛ wunhu nea wuhia a, bisa. Ebia yɛwɔ die no.

Nea Enti a W’Atɔfo Benya Mfaso

Esiane sɛ wɔde alumina a ɛyɛ den na ɛyɛ kuruwa no na wɔde sintered wɔ ɔhyew a ɛfata mu nti, ɛyɛ brɛoo na ɛyɛ pɛpɛɛpɛ.Dade a wɔde hyɛ fango mu no betumi ahwere ne kɛse mm 5 wɔ asram asia mu. Tecera TW95 kuruwa bi hwere nea ennu mm 0.1 wɔ bere koro no ara mu. Ɛno nyɛ laboratory nɔma – ɛfiri prep plant bi a ɛwɔ West Virginia a ɛdanee firii dadeɛ so kɔɔ yɛn cubes so. Ná ɛsɛ sɛ wɔsesa dade a wɔde hyɛ mu no mprenu afe biara. Kube a edi kan no dii asram 42. Wɔ w’adetɔfo fam no, ɛno kyerɛ sɛ wɔbɛto adwuma mu mprɛnsa wɔ mfe abiɛsa mu. Bere biara a wɔbɛto mu no hwere adwumayɛfo, nneɛma a wɔhwere, ne asiane a ɛwɔ akwanhyia mu. Sɛ wode ade bi a ɛma saa ka no fi hɔ ma a, w’adetɔfo no renhwehwɛ baabi foforo.

Esiane sɛ high‐toughness grades (TW92S, TW95S) no wɔ fracture toughness a ɛkorɔn kɛse nti, wɔtwe impact a ɛnpaapae.Wɔ crusher discharge chute mu no, abotan tumi mu duru yɛ kilogram 50 na ɛkɔ fam fi mita abien. Alumina nnua a wɔde di dwuma daa no taa paapae wɔ adapɛn kakraa bi mu. Abasobɔde a emu yɛ den no tra hɔ mfe pii. Wɔ ɔtopae a ɛyɛ tɔn 10,000 ho adwuma da biara fam no, sɛ wɔkwati nnɔnhwerew anan a wɔde besiesie ntɛm ara a, ɛma wɔkora bɛyɛ dɔla 30,000 so wɔ nneɛma a wɔhwere mu (egyina aguade no so). Saa sikakorabea no nkutoo tua lining no nyinaa ho ka mmɔho pii. Sɛ wubetumi de akontaabu yi akyerɛ w’adetɔfo a, abasobɔde a ɛyɛ den no bo a ɛkɔ soro no bɛyɛ ade a ɛnyɛ den sɛ wobɛtɔn.

Esiane sɛ nsusuwso a ɛka bom ne nea ɛyɛ teateaa no yi ntam kwan a ɛda ntam no fi hɔ nti, ntama no ntumi nkɔ nsu a ɛtɔ gu fam no mu.Tile a ɛyɛ ahinanan a wɔahyɛ da ayɛ no gyaw grid a wɔde nhama ayɛ. Abrasive particles hwehwɛ saa seams no na ɛyɛ grooves. Sɛ groove bi du dade no ho pɛ a, tile no hwere mmoa na ɛhwe ase. Kube a ɛka bom hyɛ nhama no ma ɛhinhim, enti ɔkwan biara nni hɔ a ɛkɔ so. Eyi nyɛ asɛm ketewaa bi – ebetumi ama lining no nkwa nna abɔ mmɔho abien anaa abiɛsa wɔ high‐velocity applications mu. Wɔ semɛnte adwumayɛbea a ɛde clinker kɔ 20 m/s fam no, saa nsonsonoe no ne nsonsonoe a ɛda mfe abien ntama ne asram asia ntama ntam. W’adetɔfo no bɛhyɛ no nsow.

Esiane sɛ nsuo a wɔtwe no nnu 0.01% nti, kuruwa no nnye nsuo a wɔde yɛ adwuma no.Wɔ fango prep adwumayɛbea mu no, slurry no taa yɛ acidic. Ná tile a ɛwɔ abon no bɛtwe saa acid no na ɛde nkakrankakra ayɛ mmerɛw. Wɔ atifi fam anyinam ahoɔden adwumayɛbea bi mu no, awɔw bere mu hyew kɔ fam sen digrii −20 . Tile a ɛtwetwe nsu no bɛyɛ nwini na apaapae. Yɛn cubes no wɔ porosity a ɛkame ayɛ sɛ zero, enti ɛtra ase wɔ nnuru ntua ne freeze‐thaw kyinhyia nyinaa mu. Adetɔfo biako a ɔwɔ Inner Mongolia de yɛn cubes no adi dwuma awɔw bere anum a enni huammɔdi biara a ɛfa nwini ho. Wɔ wo fam no, ɛno kyerɛ sɛ wim tebea ho anwiinwii kakraa bi ne ade bi a wubetumi atɔn wɔ baabiara.

Nneɛma a Wɔde Kɔma ne Nneɛma a Wɔde Gu Mu

Yɛde cubes gu carton nnaka anaa PP bag mu, afei yɛde palletize na yɛde stretch‐wrap. Ahina biara a ne tenten yɛ anammɔn 20 no kura metric tɔn 20–25 a emu duru yɛ pɛ. Wɔde fumigate gu nnua a wɔde ayɛ pallet ahorow mu.

Yɛde mena wɔ FOB, CIF, EXW, CPT, ne FCA nsɛm so. Yɛn ahokafo a yɛyɛ nneɛma a yɛde kɔ amannɔne no aboa yɛn ma yɛde nneɛma akɔ aman bɛboro 40 so. Yenim nkrataa, amanneɛbɔ a wɔhwehwɛ, ne akwan a eye sen biara.

Bisa sɛ Wobɛka Asɛm

Sɛ woyɛ obi a ɔtɔ ade kɛse a, fa nea edidi so yi mena yɛn: cube dimensions (anaasɛ mfonini), grade a wuhia (TW92, TW95, TW97, TW99, anaasɛ high‐toughness versions), nneɛma a w’adetɔfo no redi ho dwuma, ne afe afe dodow a wɔabu akontaa. Yɛde bo ne bere a yɛde bɛkɔ no bɛma mmuae wɔ adwuma nna abien ntam.

Nhwɛsode ahorow a wontua hwee wɔ hɔ a wɔde bɛyɛ sɔhwɛ a ɛsɛe ade. Yɛbɛpɛ sɛ wobubu cube bi wɔ w’adwumayɛbea hɔ sen sɛ wubehu ɔhaw bi wɔ beae hɔ. Bere a wɔde di dwuma ma standard sizes yɛ adapɛn abien kosi abiɛsa. Nneɛma a wɔayɛ no sɛnea wɔpɛ no gye adapɛn anan kosi asia.

Fa kratasin a ɛwɔ ase ha no so di yɛn ho nkɔmmɔ.

Nsɛmfua titiriw: alumina dɔte kuruwa, ahinanan dɔte liner, interlock dɔte kuruwa, dɔte wear tile

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