Nnianimu
Rare Earth Ceramic Sand nso, nnipa pii frɛ no ceramic sand, a ɛyɛ bɔɔl bi a ɛyɛ fitaa-fitaa wɔ ne hwɛbea mu. Wɔde porcelain atɛkyɛ, dɔte, asase a wɔn ho yɛ na, ne nneɛma afoforo na ɛyɛ sɛ nneɛma a wɔde yɛ nneɛma, a wɔde afrafra a ɛfata pore-forming agents ne binders, na wɔde sintered denam akwan horow pii a wɔfa so yɛ ne ne yɛ so. Ne mu nneɛma nketenkete no yɛ pɛ, ɛyɛ den, ɛtumi nsɛe, na ɛko tia ɔhyew a ɛkorɔn-, na nnuru a ɛgyina pintinn no ye, enti ɛwɔ dwumadie ahodoɔ pii. Bere koro no ara mu no, ne nsu a ɛyɛ mmerɛw kɛse ne tumi a emu yɛ den a etumi twetwe efĩ no ma wɔde di dwuma kɛse wɔ nnwuma ahorow mu efĩ a wɔde yɛ adwuma mu. Afei nso, agye din kɛse efisɛ ebetumi adi ɔhaw ahorow a ɛfa abɔde mu nneɛma a wɔde yiyi mu a ɛyɛ fã biako, ɛnyɛ den sɛ wobebubu, ne efĩ a ɛto so abien no ho dwuma.
Mfaso a ɛwɔ so
1. Rare Earth Ceramic Sand no yɛ kurukuruwa a ɛwɔ baabi a hwee nni hɔ kɛse. Mpɛn pii no, ne filtration rate yɛ 15-20 m2/h. Nsu ne ɔhyew a ɛyera kakraa bi ma ɛyɛ yiye sɛ wɔbɛtew mpa a wɔde yiyi mu no sorokɔ so na wɔatew anyinam ahoɔden ne adansi ho ka so.
2. Uniform na daa particles, ɛnyɛ den sɛ wobɛhohoro. Nsuo a wɔde hohoro mu no ahoɔden yɛ 12-20 l/m2. s betumi akora nsuo a wɔde hohoro akyi bɛboro 30-50% so
3. Esiane sɛ ne soro kɛse ne ne pore volume kɛse nti, filter no wɔ efĩ a ɛkora tumi kɛse a ɛyɛ 9-10kg/m3, bɛyɛ mmɔho 1.2-1.5 sen quartz ne filter.
4. Mfiri ahoɔden a ɛwɔ saa ade yi mu no yɛ kɛse, enti ɛnyɛ mmerɛw sɛ wɔbɛhyɛ, na nkwa nna a wɔde yɛ adwuma no boro mfe 15, a ɛyɛ quartz anhwea afiri no mmɔho anum.
5. Ɔkwan a wɔfa so de Rare Earth Ceramic Sand di dwuma no ntumi nsɛe nneɛma a epira, na ebetumi ahwɛ ahu sɛ nsu a wɔayɛ ho adwuma no su bɛyɛ pɛ, na ɛremma efĩ biara a ɛto so abien te sɛ quartz anhwea anaa fango a wɔde yiyi nneɛma mu mmra.
Nsɛm a Wɔakyerɛkyerɛ mu
Al2O3 | 22-25% |
SiO2 | 68-75% |
Fe2O3 | <1.0% |
MgO | <0.7% |
CaO | Ennu anaasɛ ɛne 0.5% yɛ pɛ . |
K2O +Na2O | Ennu anaasɛ ɛne 4% yɛ pɛ . |
Nneɛma a ɛntaa nsi | micro component |
Nneɛma nketenkete no kɛse (mm) . | 0.5-80 |
Nneɛma a ɛdɔɔso (ml) . | 1.1-1.5 |
Nnyigyei a wɔde ma kwa (%) . | 40-50 |
Abrasion a ɛko tia (%) . | Ennu anaasɛ ɛne 0.5 yɛ pɛ |
Ahoɔden a wɔde hyɛ nipadua mu (N) . | 30-150 |
Nsuo a ɛtumi fa mu (T/m2.h | 1500-2000 |
Ɔhyew a ɛko tia (℃) . | -20-1400 |
Acid a ɛko tia (%) . | 99.5 afrafra wɔ 30%HCL+50%H mu2NTI4, ano aduru nnafua 14 |
Alkali a ɛko tia (%) . | 86 fra 10% NaOH+10% KOH, aduru nnafua 14 |
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