Tuubooyinka dhoobada Alumina: Saxnaanta iyo Joogteynta Codsiyada Warshadaha Alumina tuubooyinka dhoobada, tuubooyinka dhoobada alumina ee saxda ah, iyo tuubooyinka dhoobada alumina ee waara waa qaybo dhoobo ah oo wax qabad sare leh oo si gaar ah loogu talagalay in lagu buuxiyo shuruudaha dalabaadka ee codsiyada warshadaha kala duwan. Qaybaha alaabta xudunta u ah waxaa ka mid ah taxane ah tuubooyinka dhoobada alumina, kuwaas oo muhiim u ah warshadaha u baahan dulqaad heerkul sare, kimikal la'aan, iyo xoog farsamo. Tuubo kasta oo alumina ah ayaa si taxadar leh loogu qaabeeyey cabbir sax ah iyo tayo joogto ah, taasoo ka dhigaysa doorasho ku habboon codsiyada u baahan saxnaanta. Tuubooyinka dhoobada ah ee alumina ee saxda ah ayaa si gaar ah loogu horumariyay qalabyada gorfaynta (sida nidaamyada chromatography), halkaas oo saxnaanta iyo xasiloonidu ay yihiin kuwa ugu muhiimsan. Qaybtooda nadiifka ah ee alumina waxay hubisaa wasakhda ugu yar iyo waxqabadka muddada dheer. Tuubooyinka dhoobada alumina ee waara waxay leeyihiin iska caabin heer sare ah oo ay ku xirtaan, daxalka, iyo shoogga kulaylka, oo ku habboon bay'ada warshadaha adag. Alaabooyinkan waxaa caadi ahaan loo isticmaalaa hababka wax soo saarka ee ku lug leh heerkulka sare ama soo-gaadhista kiimikooyinka daxalka adag. Astaamaha muhiimka ah ee tuubooyinka dhoobada alumina waxaa ka mid ah qallafsanaanta sare, porosity hooseeya, kulaylka kuleylka aadka u fiican, iyo caabbinta oksaydhka. Waxay ku yimaadaan cabbirro iyo qaabab kala duwan si ay u dejiyaan codsiyada kala duwan. Sharaxaada faahfaahsan ee alaabooyinkani waxay muujinayaan dhismahooda, sifooyinka alaabta, iyo sifooyinka waxqabadka. Tuubooyinka dhoobada alumina waxay ka samaysan yihiin aluminium waxayna caan ku yihiin sifooyinkooda jidheed iyo kiimikaad ee wanaagsan. Maaddadani kama falcelinayso, taasoo ka dhigaysa mid ku habboon bay'adaha ay ku habboonaanta kiimikada ay muhiim tahay. Habka wax soo saarka waxaa lagu fuliyaa iyada oo loo marayo sintering heerkulka sare si loo gaaro cufnaanta loo baahan yahay iyo sharafta qaabdhismeedka. Natiijo ahaan, sheygani wuxuu ilaaliyaa waxqabadka aan saameyn ku yeelan xaaladaha daran. Tuubooyinkan ayaa sidoo kale ah kuwa fudud, fududeeya hawlgalka oo si aan kala go 'lahayn ugu dhex milmay nidaamyada jira. Daaweynta dusha sare ee siman waxay yaraynaysaa halista ururinta walxaha waxayna hubisaa sifooyinka socodka ugu fiican ee codsiyada dareeraha ama gaaska. Marka lagu daro qeexitaankooda farsamo, kuwan tubbada dhoobada alumina 'kala duwanaanshiyaha ayaa ka dhigaya doorasho caan ah warshado badan. Waxay kala yihiin
caadi ahaan loo isticmaalo cilmi-baarista sayniska, daawooyinka, elektiroonigga, iyo waaxda baabuurta. Tuubooyinka dhoobada alumina ayaa si gaar ah loogu qiimeeyaa aaladaha gorfaynta sababtoo ah waxay door muhiim ah ka ciyaaraan kala saarida iyo hababka ogaanshaha. Tuubooyinka dhoobada ah ee alumina ee saxda ah waxay xaqiijiyaan cabbirada saxda ah iyo natiijooyinka joogtada ah, si kor loogu qaado waxtarka nidaamka oo dhan. Tuubooyinka dhoobada aluminium ee raagaya ayaa sida caadiga ah loo isticmaalaa codsiyada u baahan isku halaynta muddada dheer iyo dayactirka ugu yar. Waxaa loo adeegsadaa kulayl-is-weydaariyeyaasha, tuubooyinka, iyo qaybaha kale ee ay tahay inay ku shaqeeyaan xaalado adag. Dib u eegista isticmaalayaashu waxay si buuxda u muujinayaan ku qanacsanaanta macaamiisha ku daraya alaabtan habraacyadooda hawleed.
ALUMINA TECH DATA
|
ITEM
|
UNIT
|
99.9 ALUMINA
|
|
Density
|
G/cm3
|
3.94
|
|
Bending Resistance
|
Mpa
|
500
|
|
Compressive Strength
|
Mpa
|
3300
|
|
Elasticity Modulus
|
Gpa
|
400
|
|
Shock Strength
|
Mpam/2
|
5.2
|
|
Vaporization Coefficient
|
M
|
12
|
|
Vickers Hardness
|
HV0.5
|
2000
|
|
Thermal Expansivity
|
10-6K-1
|
8.0
|
|
Conductivity
|
W/MK
|
28
|
|
Thermal Shock Resistance
|
AT℃
|
280
|
|
Maximum Service Temperature
|
℃
|
1750
|
|
20℃ Volume Resistance
|
Ω
|
≥1015
|
|
Dielectric Strength
|
KV/mm
|
30
|
|
Apparent Porosity
|
％
|
0
|
|
Permittivity
|
Er
|
10
|
|
Dielectric Loss Angle
|
tanδ
|
0.001
|
ALUMINA budada TECH XOGTA
|
ITEM
|
LS-110
|
LS-120
|
LS-130
|
LS-110F
|
LS-220
|
LS-210
|
|
LOI(％)
|
0.02
|
0.02
|
0.05
|
0.08
|
0.03
|
0.01
|
|
Na2O(％)
|
0.05
|
0.04
|
0.03
|
0.05
|
0.07
|
0.08
|
|
SiO2(％)
|
0.07
|
0.07
|
0.07
|
0.09
|
0.02
|
0.02
|
|
Fe2O3(％)
|
0.03
|
0.03
|
0.03
|
0.03
|
0.02
|
0.02
|
|
Al2O3(％)
|
99.9
|
99.9
|
99.9
|
99.9
|
99.9
|
99.9
|
|
average grain diameter(um)
|
1.7
|
2.1
|
2.2
|
1.1
|
2.7
|
2.9
|
|
αgrain diameter(um)
|
1-2
|
1-3
|
2-4
|
1-2
|
2-3
|
3-5
|
|
BET Surface Area(m2/g)
|
1.9
|
1.4
|
1.4
|
3.2
|
1.6
|
0.9
|
|
Pressure-induced volume density(g/cm3)*
|
2.22
|
2.27
|
2.31
|
2.29
|
2.22
|
2.32
|
|
Forming density(g/cm3)**
|
2.13
|
2.20
|
2.23
|
2.33
|
2.17
|
2.30
|
|
Sintering volume density(g/cm3)**
|
3.78
|
3.79
|
3.78
|
3.89
|
3.81
|
3.77
|
|
Line collection efficiency(％)
|
18.0
|
17.2
|
16.7
|
15.7
|
17.5
|
15.3
|
Kala xiriir Hada
