SU1546506A1 - Charge for producing carbon-containing iron-ore briquettes - Google Patents
Charge for producing carbon-containing iron-ore briquettes Download PDFInfo
- Publication number
- SU1546506A1 SU1546506A1 SU884387679A SU4387679A SU1546506A1 SU 1546506 A1 SU1546506 A1 SU 1546506A1 SU 884387679 A SU884387679 A SU 884387679A SU 4387679 A SU4387679 A SU 4387679A SU 1546506 A1 SU1546506 A1 SU 1546506A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- briquettes
- containing iron
- charge
- producing carbon
- ore briquettes
- Prior art date
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- Manufacture And Refinement Of Metals (AREA)
Abstract
Изобретение относитс к черной металлургии, в частности к брикетированию железосодержащих отходов. Целью изобретени вл етс снижение истираемости брикетов. Это достигаетс тем, что шихта содержит сухие шламы металлургических производств (70-95 мас.%) и колошниковую пыль (5-30 мас.%). 1 табл.The invention relates to ferrous metallurgy, in particular to the briquetting of iron-containing waste. The aim of the invention is to reduce the abrasion of briquettes. This is achieved by the fact that the mixture contains dry sludges of metallurgical production (70-95 wt.%) And flue dust (5-30 wt.%). 1 tab.
Description
Изобретение относитс к черной металлургии, в частности к брикетированию железосодержащих отходов.The invention relates to ferrous metallurgy, in particular to the briquetting of iron-containing waste.
Целью изобретени вл етс снижение истираемости брикетов в процессе ддменной плавки.The aim of the invention is to reduce the abrasion of briquettes in the ddmen process.
После смешени компонентов шихта подвергаетс восстановительно-тепловой обработке при 875°С в течение 60 мин в лабораторной вращающейс печи. В качестве восстановител используетс углерод, содержащий в колошниковой пыли и в шламах. Затем при 850°С и давлении 110 МПа получаютс брикеты.After mixing the components, the mixture is subjected to a reduction-heat treatment at 875 ° C for 60 minutes in a laboratory rotary kiln. Carbon contained in the flue dust and in the sludge is used as a reducing agent. Then, at 850 ° C and a pressure of 110 MPa, briquettes are obtained.
Брикеты, полученные из шихты требуемых составов, испытывались по ГОСТу 19575-84, согласно которому показателем истираемости принимаетс дол выхода 0-0,5 мм.Briquettes obtained from the mixture of the required compositions were tested according to GOST 19575-84, according to which the wear rate is taken as a fraction of an output of 0-0.5 mm.
Результаты испытаний приведены в таблице.The test results are shown in the table.
Из приведенных результатов видно , что брикеты из шихты, содержащей шламы металлургических производств и колошниковую пыль при соотношении их сухих Maces Шламы металлургических тдств70-95% Колошникова пыль5-30% обладает Р°льш i прочностью и меньшей истираемостью (массова дол класса 0-0,5 мм) чем брикеты из шихты по прототипу.The results show that briquettes from a mixture containing sludge from metallurgical production and top dust with a ratio of dry Maces. 5 mm) than the briquettes from the charge of the prototype.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU884387679A SU1546506A1 (en) | 1988-03-01 | 1988-03-01 | Charge for producing carbon-containing iron-ore briquettes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU884387679A SU1546506A1 (en) | 1988-03-01 | 1988-03-01 | Charge for producing carbon-containing iron-ore briquettes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1546506A1 true SU1546506A1 (en) | 1990-02-28 |
Family
ID=21359380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU884387679A SU1546506A1 (en) | 1988-03-01 | 1988-03-01 | Charge for producing carbon-containing iron-ore briquettes |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU1546506A1 (en) |
-
1988
- 1988-03-01 SU SU884387679A patent/SU1546506A1/en active
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