1. Dɛn ne nneɛma a ɛma ɛyɛ hyew?
Nneɛma a ɛyɛ hyew kyerɛ nneɛma a ebetumi agyina ɔhyew a ɛkɔ soro ne nhyɛso a ɛkɔ soro ano, na ɛma wɔn honam fam ne nnuru su kɔ so yɛ den wɔ ɔhyew tebea a ɛkorɔn mu.
2. Nneɛma titiriw bɛn na ɛwɔ hɔ a ɛnyɛ nea ɛyɛ hu?
Nneɛma a ɛyɛ asikre a ɛyɛ hyew: te sɛ silica birikisi, ade titiriw ne silicon dioxide.
Nneɛma a ɛnyɛ nea ɛyɛ den sɛ ɛbɛhyew: te sɛ aluminum birikisi ne magnesia aluminium birikisi, nneɛma atitiriw a ɛwom ne aluminum oxide ne magnesia aluminium spinel.
Nneɛma atitiriw a ɛma ɛyɛ hyew: te sɛ magnesia birikisi, ade titiriw a ɛwom ne magnesium oxide.
Nneɛma soronko a wɔde yɛ adwuma: te sɛ silicon carbide ne silicon nitride nneɛma, a ɛwɔ ahoɔden soronko.
3. Dɛn ne adwumayɛ ho nsɛnkyerɛnne titiriw a ɛkyerɛ nneɛma a ɛyɛ hyew?
Refractoriness: Tumi a ade bi wɔ sɛ ɛbɛko atia ɔhyew a ɛkorɔn a ɛrenwow.
Load Softing Temperature: Ɔhyew a ade bi fi ase yɛ mmerɛw wɔ ɔhyew a ɛkorɔn ne adesoa a wɔaka abom no ase.
Thermal shock resistance: Tumi a ade bi tumi gyina ɔhyew nsakrae a ɛba ntɛmntɛm ano a ɛnyɛ mpaapaemu.
Erosion resistance: tumi a ade bi tumi gyina erosion ano denam slag, melt, gas, etc. so wɔ ɔhyew a ɛkorɔn.
Ahoɔden a ɛkorɔn a ɛyɛ hyew: Tumi a ade bi tumi ma mfiri ahoɔden kɔ so yɛ adwuma wɔ ɔhyew a ɛkorɔn mu.
4. Dɛn ne nneɛma a wɔde di dwuma wɔ nneɛma a ɛyɛ hyew mu?
Metallurgical nnwuma: te sɛ blast fononoo a wɔde hyɛ mu, converter, fononoo a ɛbue, anyinam ahoɔden fononoo, ne nea ɛkeka ho{0}}
Glass Industry: te sɛ ahwehwɛ fononoo a wɔde akata so, ɔtare a wɔanwene, ne nea ɛkeka ho{0}}
Cement adwumayɛ: te sɛ rotary fononoo, preheater, cooler, ne nea ɛkeka ho{0}}
Ceramic adwumayɛ: te sɛ firing fononoo, dryer, ne nea ɛkeka ho{0}}
5. Ɔkwan bɛn so na wɔbɛtrɛw ɔsom nkwa a ɛwɔ refractory nneɛma mu no mu?
Paw ade a ɛfata: Paw ade a ɛne no hyia a ɛnyɛ den sɛnea adwumayɛ tebea pɔtee no te.
Ɔkwan a wɔfa so si dan a ɛteɛ: Hwɛ sɛ adansi no yɛ papa a ɛwɔ nneɛma a wɔde yɛ nneɛma a ɛyɛ hyew te sɛ aboɔden abo mfiridwuma, nneɛma a wɔde kyekyere nneɛma ho, ne nea ɛkeka ho{0}}
Nsiesiei ne nsiesie a ɛfata: daa hwɛ na hwɛ nneɛma a ɛyɛ hyew so, na wosiesie afã horow a asɛe no wɔ bere mu.
Control Process Parameters: Tew ɔhyew a ɛsakra ne nnuru a ɛreworo so no so, ne control process parameters te sɛ wim.
6. Ɔkwan bɛn so na wobetumi adi nneɛma a wɔtow gu a wɔatow agu ho dwuma?
Recycling and Reuse: Sɛ wɔde nneɛma a wɔde yɛ nwura no refractory nneɛma no di dwuma denam abubu, nhwehwɛmu ne nneɛma afoforo a wɔyɛ so a, wɔsan de di dwuma bio wɔ nneɛma a wɔyɛ mu.
Nneɛma a wɔde gu baabi a wɔtow gu: Wɔ nneɛma a wɔde gu nwura mu a wontumi nsan mfa nni dwuma bio ho no, wobetumi de akɔ asase so.
Comprehensive utilization: Wobetumi de nneɛma bi a ɛyɛ nwura a ɛyɛ hyew adi dwuma wɔ mmeae afoforo te sɛ adansi nneɛma.
7. Dɛn ne alumina birikisi a ɛkorɔn?
Alumina birikisi a ɛkorɔn yɛ birikisi a ɛyɛ hyew a aluminium a ɛwɔ mu no dɔɔso, na nea ɛwom titiriw ne alumina (al2o₃). alumina birikisi a ɛkorɔn no wɔ ahoɔden a ɛma ɛyɛ den sɛ ɛbɛbɔ ne ɔhyew a ɛyɛ hu a ɛko tia, na wɔde di dwuma kɛse wɔ nnwuma a ɛyɛ hyew kɛse te sɛ dade, ahwehwɛ, ne semɛn{2}}
8. Dɛn ne silicon carbide a ɛma ɛyɛ hyew?
Silicon carbide refractory material yɛ ade soronko a ɛyɛ refractory a ɛwɔ silicon carbide (sic) sɛ ade titiriw. ɛwɔ hardness a ɛkorɔn, ɔhyew a ɛkɔ soro, ɔhyew a ɛyɛ hyew a ɛko tia ne nnuru a ɛyɛ hyew a ɛko tia, na wɔtaa de di dwuma wɔ ɔhyew a ɛkorɔn mu fononoo, dade furnaces, nnuru nnwinnade, etc{2}}
