Njerwa ya SK33 SK34 Fireclay

Kufotokozera Kwachidule:

Njerwa za Fireclay ndi njerwa za alumina silicate ndi refractoriness ya SK 32-34 ndipo zili ndi 35- 45% alumina. Zimapangidwa ndi dongo lamoto, calcined chamotte, mullite etc. abrasion ndi kukwawa.


Tsatanetsatane wa Zamalonda

Njira Yopangira

Kupaka Ndi Kutumiza

Zolemba Zamalonda

Kufotokozera

Njerwa za Fireclay ndi njerwa za alumina silicate ndi refractoriness ya SK 32-34 ndipo zili ndi 35- 45% alumina. Zimapangidwa ndi dongo lamoto, calcined chamotte, mullite etc. abrasion and to creep. Njerwa za Fireclay, zomwe zimadziwikanso kuti sintered njerwa, ndi chimodzi mwazinthu zakale kwambiri zomangira padziko lapansi.

Mawonekedwe

Kutentha kwabwino kwa kutentha kwamoto pansi pa katundu / Kuwonjezeka kwa kutentha kwapansi pa kutentha kwakukulu / Zonyansa zotsika

Kukaniza kwamphamvu kwamafuta / Kutsekemera kwabwino kwambiri komanso kukana kwa abrasion / Mphamvu yabwino yosindikizira yozizira

Kugwiritsa ntchito

Njerwa za Fireclay zimagwiritsidwa ntchito kwambiri pakuyika uvuni wa coke, ng'anjo yamagalasi, ng'anjo ya simenti yozungulira, ng'anjo ya laimu, zowotcha zamitundu yonse, ng'anjo yowotcha, ndi zina zambiri.

Physical And Chemical Indicators

Kufotokozera

DN-17

Chithunzi cha DN14

DN12

SK34

SK33

SK32

Refractoriness (SK)

34

34

34

34

33

32

Kuchulukana (g/cm3)

2.25

2.34

2.40

2.20

2.17

2.15

Cold Crushing Strength (MPa)

50

65

70

40

35

30

Kuwonekera Porosity(%)

17

14

12

23

24

26

Kusintha kokhazikika kwa mzere @1400ºC*2hrs(%)

±0.1~-0.2

±0.1~-0.2

±0.1~-0.2

±0.3

± 0.5

± 0.5

Kukula kwa Linear Yotentha @1000ºC

0.6

0.6

0.5

0.6

0.6

0.6

Refractoriness pansi Katundu (ºC)@0.2MPa

1430

1470

1500

1350

1300

1250

Chemical Analysis (%) Al2O3

42

45

46

42

38

35

Fe2O3

1.7

1.5

1.3

2.0

2.2

3.0

Njerwa ya Fireclay, yomwe imadziwikanso kuti sintered njerwa, ndi kachidutswa kakang'ono kopanga kupanga.Njerwa ya fireclay imapangidwa ndi dongo (kuphatikiza shale, malasha gangue ndi zida zina za ufa) monga zopangira zazikulu, zophikidwa ndi matope, kupanga, kuumitsa ndi kuwotcha, zolimba komanso zopanda pake.
Masentimita otsekera: njerwa yolimba (yopanda dzenje kapena njerwa yokhala ndi dzenje zosakwana 25%), njerwa zamabowo (bowo ndi lofanana kapena kuposa 25%), gawo la dzenje ndi laling'ono ndipo njerwa ndi zambiri. kuchuluka, komwe nthawi zambiri kumagwiritsidwa ntchito poyambira, kuchuluka kwamphamvu kumakhala kotalika.Njerwa zopanda kanthu (bowo ndi lofanana kapena lalikulu kuposa 40%, kukula kwa dzenje ndi lalikulu komanso kuchuluka kwa njerwa, zomwe nthawi zambiri zimagwiritsidwa ntchito pazigawo zosabereka, kalasi yamphamvu ndi yochepa).
Njerwa zolimba ndi zomangira zimagwiritsidwa ntchito ponyamula khoma la khoma kwambiri, njerwa zopanda pake zimagwiritsidwa ntchito pamlandu wokhala ndi khoma lomanga kwambiri.


  • Zam'mbuyo:
  • Ena:

  • Njerwa zamoto zimagawidwa kukhala njerwa zamoto wamba, njerwa zotsika kwambiri zamoto, njerwa zotsika kwambiri zamoto ndi njerwa zazikulu zapansi zamoto zowotchera magalasi.

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