Comprehensive protection of the metal jet from oxidation
23.05.2017
Fired dolomite metallurgical, obtained by high-temperature firing of high-quality raw dolomite in rotating furnaces.
Intended for repair and refueling of steel furnaces.
In terms of physico-chemical parameters and grain composition, dolomite meets the following requirements of DSTU 322-14-005-97. In terms of physico-chemical parameters and grain composition, dolomite flour meets the following requirements of TU U 14-7-167-99.
Properties
Dolomite is burnt
|
Parameter |
Standard for the brand |
|||||||
|
|
DOM-1 |
DOM-2 |
DOM-3 |
DOM-4 |
DOM-5 |
DOM-6 |
DOM-7 |
DOM-8 |
|
Mass fraction MgO, |
33 |
32 |
30 |
28 |
33 |
32 |
30 |
28 |
|
Mass fraction SiO2, |
7 |
7 |
9 |
11 |
7 |
7 |
9 |
11 |
|
Mass fraction (Al2O3+F2O3), |
7 |
7 |
8 |
9 |
7 |
7 |
8 |
9 |
|
Loss of mass during roasting, |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
|
Grain size, mm, within |
2-20 |
2-20 |
2-20 |
2-20 |
0.3-4.0 |
0.3-4.0 |
0.3-4.0 |
0.3-4.0 |
|
Apparent density, g/cm3, no less: |
2.7 |
2.7 |
2.7 |
2.7 |
2.7 |
2.7 |
2.7 |
2.7 |
Dolomite flour
|
Parameter |
Standard for the DMO brand |
|
Mass fraction %, CaO+MgO, not more; |
75 |
|
Mass fraction moisture, %, not more |
1,5 |
|
Grain composition, %: |
|
|
balance on the grid №2,5, not more |
20 |
|
balance on the grid №1, not more |
1,5 |
Application
- Burned dolomite intended for repair and refueling of steel furnaces
- Dolomite flour is intended for tamponage works during cementing of oil and gas wells and other purposes.