RU2010112068A - METHOD OF FIRING FINE MATERIAL - Google Patents
METHOD OF FIRING FINE MATERIAL Download PDFInfo
- Publication number
- RU2010112068A RU2010112068A RU2010112068/02A RU2010112068A RU2010112068A RU 2010112068 A RU2010112068 A RU 2010112068A RU 2010112068/02 A RU2010112068/02 A RU 2010112068/02A RU 2010112068 A RU2010112068 A RU 2010112068A RU 2010112068 A RU2010112068 A RU 2010112068A
- Authority
- RU
- Russia
- Prior art keywords
- gas distribution
- firing
- fuel burners
- chamber
- fine
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract 15
- 238000000034 method Methods 0.000 title claims abstract 7
- 239000000446 fuel Substances 0.000 claims abstract 10
- 238000010304 firing Methods 0.000 claims abstract 8
- 238000001354 calcination Methods 0.000 claims abstract 2
- 238000001816 cooling Methods 0.000 claims abstract 2
- 238000005243 fluidization Methods 0.000 claims abstract 2
- 238000010438 heat treatment Methods 0.000 claims abstract 2
- 239000007921 spray Substances 0.000 claims abstract 2
Landscapes
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
1. Способ обжига мелкозернистого материала, заключающийся в его предварительном псевдоожижении и последующем обжиге в печи, содержащей камеру подогрева с газораспределительной решеткой, снабженную питателем и соединенную с санитарным циклоном, камеру обжига с газораспределительной решеткой, имеющую топливные горелки и переточное устройство внутри цилиндрической полости, от которой установлен горячий циклон, камеру охлаждения с газораспределительной решеткой, снабженную воздуховодом, при этом кольцевую газораспределительную решетку камеры обжига выполняют с тонкими профильными лопатками и направляющей перегородкой, отделяющей зону поступления материала от зоны его выгрузки, отличающийся тем, что топливные горелки располагают на разной высоте с равномерным чередованием высот в пределах толщины слоя псевдоожиженного материала, при этом их оси направляют под разными углами к продольной оси печи. ! 2. Способ обжига мелкозернистого материала по п.1, отличающийся тем, что топливные горелки выполняют с тангенциальным вводом, по крайней мере, одного из компонентов топлива. ! 3. Способ обжига мелкозернистого материала по п.1, отличающийся тем, что максимальный диаметр факела распыла указанных топливных горелок выполняют примерно равным толщине слоя псевдоожиженного материала, при этом его длина составляет величину, примерно равную ширине слоя псевдоожиженного материала. 1. The method of firing fine-grained material, which consists in its preliminary fluidization and subsequent firing in a furnace containing a heating chamber with a gas distribution grid, equipped with a feeder and connected to a sanitary cyclone, a calcination chamber with a gas distribution grid, having fuel burners and a transfer device inside the cylindrical cavity, from which has a hot cyclone, a cooling chamber with a gas distribution grill, equipped with an air duct, while the annular gas distribution sieve near the firing chamber, thin profile vanes and a guide wall separating the material entry zone from the discharge zone are performed, characterized in that the fuel burners are arranged at different heights with a uniform alternation of heights within the thickness of the bed of fluidized material, while their axes are directed at different angles to the longitudinal axis of the furnace. ! 2. The method of firing fine-grained material according to claim 1, characterized in that the fuel burners are performed with the tangential introduction of at least one of the fuel components. ! 3. The method of roasting fine-grained material according to claim 1, characterized in that the maximum diameter of the spray jet of said fuel burners is approximately equal to the thickness of the bed of fluidized material, while its length is approximately equal to the width of the layer of fluidized material.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2010112068/02A RU2488053C2 (en) | 2010-03-29 | 2010-03-29 | Method of annealing fine-grained material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2010112068/02A RU2488053C2 (en) | 2010-03-29 | 2010-03-29 | Method of annealing fine-grained material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2010112068A true RU2010112068A (en) | 2011-10-10 |
| RU2488053C2 RU2488053C2 (en) | 2013-07-20 |
Family
ID=44804575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2010112068/02A RU2488053C2 (en) | 2010-03-29 | 2010-03-29 | Method of annealing fine-grained material |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2488053C2 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU469037A1 (en) * | 1971-11-22 | 1975-04-30 | Государственный научно-исследовательский институт горнохимического сырья | Furnace for the firing of fine-grained material in the fluidized bed |
| JPS5527022B2 (en) * | 1972-09-04 | 1980-07-17 | ||
| SU750240A1 (en) * | 1978-02-13 | 1980-07-23 | За витель | Fluidised-bed furnace |
| SU1145228A2 (en) * | 1983-07-29 | 1985-03-15 | Воронежский Политехнический Институт | Furnace for roasting fine-grain material in fluidized bed |
| CA2445818C (en) * | 2003-07-04 | 2009-12-22 | Holcim Ltd. | Method and system for process gas entrainment and mixing in a kiln system |
-
2010
- 2010-03-29 RU RU2010112068/02A patent/RU2488053C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2488053C2 (en) | 2013-07-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20130621 |