REFRACTORY AND HIGH-REFRACTORY PRODUCTS FOR LAYING OF HOT BLAST STOVES AND MAINS OF BLAST FURNACES ACCORDING TO SPECIFICATION OF UKRAINE 23.2-00190503-432:2018
SHV-28
The products are used for hot blast air mains laying.The products are supplied on wooden pallets interlaid with cardboard, with protected corners, wrapped with stretch film and bundled with polypropylene or polyester strip.
| Parameter description | Value |
|---|---|
| Type | aluminosilicate |
| Group | chamotte (Al2O3 28-45%) |
| Refractoriness value | fire resistance (1580 to 1770°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 | products for laying of hot blast mains, orifices and blast furnace tuyere connections |
| Reference document for product properties | Refractory and high-refractory products for laying of hot blast stoves and mains of blast furnaces according to Specification of Ukraine 23.2-00190503-432:2018 |
| Reference documents for product dimensions | Refractory and high-refractory products for laying of hot blast stoves and mains of blast furnaces according to Specification of Ukraine 23.2-00190503-432:2018 |
| Parameter description | Value |
|---|---|
| Additional linear shrinkage, %, not more than, at temperature, °С | (1350°C) 0,5 |
| Al2O3, % | ≥28 |
| Compression ultimate strength, N/mm2, not less than | 15,0 |
| Fire resistance, °С, not less than | 1670 |
| Interconnected porosity, %, not more than | |
| Temperature of deformation under load, °С |
| Form | Article No. | Additional information | Photo |
|---|---|---|---|
| hexagon-shaped checker brick | No.80 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls | |
| tapered, symmetrical wall brick | No.10 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls | |
| No.11 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls | ||
| No.7 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls | ||
| No.8 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls | ||
| No.9 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls | ||
| straight wall brick | No.1 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls | |
| No.2 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls | ||
| No.3 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls | ||
| straight checker brick | No.75 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls | |
| No.76 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls | ||
| No.77 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls | ||
| No.78 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls | ||
| shaped checker brick | No.79 | At temperature not more than 700°С and load not more than 2 MPa in laying of checker and walls |
| Form | Article No. | Dimension, mm | Drawing |
|---|---|---|---|
| hexagon-shaped checker brick | No.80 |  | |
| tapered, symmetrical wall brick | No.10 | UNDEF |  |
| No.11 | UNDEF | ||
| No.7 | UNDEF | ||
| No.8 | UNDEF | ||
| No.9 | UNDEF | ||
| straight wall brick | No.1 | UNDEF | |
| No.2 | UNDEF | ||
| No.3 | UNDEF | ||
| straight checker brick | No.75 | UNDEF |  |
| No.76 | UNDEF | ||
| No.77 | UNDEF | ||
| No.78 | UNDEF | ||
| shaped checker brick | No.79 |  |