SU605847A2 - Method of producing self-hardening pellets and briquettes - Google Patents
Method of producing self-hardening pellets and briquettesInfo
- Publication number
- SU605847A2 SU605847A2 SU711671607A SU1671607A SU605847A2 SU 605847 A2 SU605847 A2 SU 605847A2 SU 711671607 A SU711671607 A SU 711671607A SU 1671607 A SU1671607 A SU 1671607A SU 605847 A2 SU605847 A2 SU 605847A2
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- pellets
- briquettes
- hardening
- increase
- producing self
- Prior art date
Links
Description
(54) СПОСОБ ПРОИЗВОДСТВА САМОТВЕРДЕЮ11 МХ ОКАТЫШЕЙ И БРИКЕТОВ(54) METHOD OF MANUFACTURING BY SELF-TURN 11 MH OF ROUND AND BRIQUETTES
Преоваритепьна обработка ueMeHta в сгержневой мельнице привоаит к увеличению удельной поверхности, повышению его химической активности и активации за счет нарушени кристаллической структуры в жу- шего и накоплени в ией дефектов. Повышение химической активности в жушего обуславливает более интенсивное его взанмоцействие с водой на самьтх ранних стади х гидратации и повышение исходной прочноети окатышей. Окатыши, полученные из смеси концентрата и актнвиэированиого цемента в меньшей степени подвержены деструкции (образование трешин и ослабление внутренней структуры), так кЛк в большей степени противосто т возникающим при нагреве и изотермической выдержке внутренним давлени м , например, расшир ющегос в порах окатышей воздуха. Дальнейшее по сравнению с изложенным повышение качества окатышей и сокрашение времени их упрочнени было достигнуто при уменыгении деструкции образнов, обусловленной потоком мигрирую- шей при нагреве влаги. Дл этого примен ю предварительную выдержку окатьиией при нормальных температу{)ах перед уско юнным твердением. Она приводит к адсорбционно {у и химическому св зыванию части влаги, и как следствие, к уменьшению ее потока при миграции.Pre-treatment with ueMeHta in an aggressive mill leads to an increase in the specific surface area, an increase in its chemical activity and activation due to a disturbance of the crystalline structure in the middle and the accumulation of defects. An increase in chemical activity in the dead causes more intense exposure to it with water at the very early stages of hydration and an increase in the initial strength of the pellets. The pellets obtained from a mixture of concentrate and actinated cement are less susceptible to degradation (the formation of cracks and the weakening of the internal structure), so CLA is more resistant to the internal pressures that occur during heating and isothermal aging, for example, the air expanding in the pores of the pellets. A further increase in the quality of pellets compared to the above, and a reduction in the time of their hardening, was achieved by reducing the destruction of the samples, due to the flow of moisture migrating when heated. For this purpose, pre-exposure is applied with ock-up at normal temperatures {) ah before hardening. It leads to the adsorption and chemical bonding of a part of moisture, and as a result, to a decrease in its flow during migration.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU711671607A SU605847A2 (en) | 1971-06-18 | 1971-06-18 | Method of producing self-hardening pellets and briquettes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU711671607A SU605847A2 (en) | 1971-06-18 | 1971-06-18 | Method of producing self-hardening pellets and briquettes |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU339583 Addition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU605847A2 true SU605847A2 (en) | 1978-05-05 |
Family
ID=20479755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU711671607A SU605847A2 (en) | 1971-06-18 | 1971-06-18 | Method of producing self-hardening pellets and briquettes |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU605847A2 (en) |
-
1971
- 1971-06-18 SU SU711671607A patent/SU605847A2/en active
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