REFRACTORY AND HIGH REFRACTORY PRODUCTS FOR LINING OF REVOLVING FURNACES ACCORDING TO ACCORDING TO DSTU GOST 21436:2006
PHC
Periclase-chrome products are used for lining of the central section of sintering area of not less than 3.6m diameter revolving dry operated furnaces, as well as peripheral areas of the dry operated furnaces.The products are laid on wooden pallet, laid with cardboard sheets, protected with cardboard angles along the perimeter, wrapped with stretch-film and bundled with polypropylene strip.
| Parameter description | Value |
|---|---|
| Type | magnesia spinel |
| Group | periclase-chrome (MgO ≥ 60%, Cr2O3 4-20%) |
| Refractoriness value | high fire resistance (1770 to 2000°С) |
| Porosity degree | average dense (Ptot 20-30%) |
| Heat treatment method | burnt |
| Molding process | semidry forming |
| Binding type 1 | with inorganic binders |
| Binding type 2 | ceramic |
| Intended purpose | repair/construction |
| scope of application | for lining of revolving furnaces, used in cement sector and other industry sectors |
| Reference document for product properties | Refractory and high refractory products for lining of revolving furnaces according to according to DSTU GOST 21436:2006 |
| Reference documents for product dimensions | Refractory and high refractory products for lining of revolving furnaces according to DSTU GOST 21436:2006 |
| Parameter description | Value |
|---|---|
| Compression ultimate strength, N/mm2, not less than | 25 |
| Cr2O3, % | 8-18 |
| Fusion point, °С, not less than | 1500 |
| Interconnected porosity, %, not more than | 24 |
| MgO, % | ≥ 65 |
| Thermal resistance, thermal cycles, not less than | 8 |
| Form | Article No. | Additional information | Photo |
|---|---|---|---|
| front double-sided feather-edged brick | No.21 | for furnaces with diameter 3100-5400mm are used in combination with product No.23, and for furnaces with diameter 5400-7000mm - in combination with products No.22 and No.34. |  |
| No.23 | for furnaces with diameter 3100-5400mm are used in combination with products No.21 and No.32, as well as for furnaces with diameter 5400-7000mm. | ||
| No.24 | for furnaces with diameter 2200-3600mm are used in combination with product No.26. | ||
| No.25 | for furnaces with diameter 2200-3600mm are used in combination with product No.27. | ||
| No.26 | for furnaces with diameter 2200-3600mm are used in combination with product No.24. | ||
| No.27 | for furnaces with diameter 2200-3600mm are used in combination with product No.25. | ||
| No.28 | for furnaces with diameter 3100-5400mm are used in combination with products No.29, and for furnaces with diameter 3100-4400mm - in combination with products No.31. | ||
| No.29 | for furnaces with diameter 3100-5400mm are used in combination with products No.28, and for furnaces with diameter 5400-7000mm - in combination with products No.No.30, 33 | ||
| No.35 | for furnaces with diameter 3100-5200mm are used in combination with product No.36, and for furnaces with diameter 5200-7000mm - in combination with product No.37. | ||
| No.36 | for furnaces with diameter 3100-5200mm are used in combination with product No.35. | ||
| No.38 | for furnaces with diameter 3100-5400mm are used in combination with product No.39. | ||
| No.39 | for furnaces with diameter 3100-5400mm are used in combination with product No.38. |
| Form | Article No. | Dimension, mm | Drawing |
|---|---|---|---|
| front double-sided feather-edged brick | No.21 | UNDEF |  |
| No.23 | UNDEF | ||
| No.24 | UNDEF | ||
| No.25 | UNDEF | ||
| No.26 | UNDEF | ||
| No.27 | UNDEF | ||
| No.28 | UNDEF | ||
| No.29 | UNDEF | ||
| No.35 | UNDEF | ||
| No.36 | UNDEF | ||
| No.38 | UNDEF | ||
| No.39 | UNDEF |