RU2008139092A - METHOD FOR Pellet Heat Treatment - Google Patents
METHOD FOR Pellet Heat Treatment Download PDFInfo
- Publication number
- RU2008139092A RU2008139092A RU2008139092/02A RU2008139092A RU2008139092A RU 2008139092 A RU2008139092 A RU 2008139092A RU 2008139092/02 A RU2008139092/02 A RU 2008139092/02A RU 2008139092 A RU2008139092 A RU 2008139092A RU 2008139092 A RU2008139092 A RU 2008139092A
- Authority
- RU
- Russia
- Prior art keywords
- furnace
- pellets
- air
- layer
- heat
- Prior art date
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- Solid-Fuel Combustion (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Способ термообработки окатышей, включающий окомкование шихты в окомкователе с получением влажных кондиционных окатышей, выдачу их из окомкователя и укладку слоем на транспортерную ленту, продувку слоя влажных окатышей струями горячего воздуха в потоке воздуха с температурой 20-300°С в теплоизолирующем горне, в рабочем пространстве которого расположена транспортерная лента, нагнетание горячего воздуха в горн вентилятором, установленным на выходе из горна, отсасывание отработанного воздуха дымососом, установленным на входе в горн, укладку окатышей слоем на колосниковую решетку обжиговой машины, термообработку, включающую просос дымовых газов через слой, удаление отработанных газов через дымоход, содержащий рекуперативный теплообменник, предназначенный для нагрева воздуха, отличающийся тем, что на выходе горна дополнительно устанавливают форкамеру для сжигания топлива, причем расход топлива В поддерживают на уровне 0,1-2,5 м3 на тонну окатышей, одновременно в нее направляют часть горячего воздуха, подаваемого вентилятором, в количестве (10-50) В. A method of heat treatment of pellets, including pelletizing the charge in a pelletizer to obtain wet pellets, dispensing them from the pelletizer and laying them on a conveyor belt, blowing a layer of wet pellets with hot air in a stream of air with a temperature of 20-300 ° C in a heat-insulating furnace, in the working space which is the conveyor belt, forcing hot air into the furnace with a fan installed at the outlet of the furnace, suction of exhaust air with a smoke exhauster installed at the entrance to the furnace, at the pellets, a layer on the grate of the roasting machine, heat treatment, including the passage of flue gases through the layer, the removal of exhaust gases through a chimney containing a recuperative heat exchanger, designed to heat the air, characterized in that an exhaust chamber is additionally installed at the outlet of the furnace for burning fuel, and the fuel consumption B is maintained at a level of 0.1-2.5 m3 per ton of pellets, while part of the hot air supplied by the fan is sent to it in an amount of (10-50) V.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2008139092/02A RU2390570C1 (en) | 2008-10-01 | 2008-10-01 | Method of pellet heat treatment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2008139092/02A RU2390570C1 (en) | 2008-10-01 | 2008-10-01 | Method of pellet heat treatment |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2008139092A true RU2008139092A (en) | 2010-04-10 |
RU2390570C1 RU2390570C1 (en) | 2010-05-27 |
Family
ID=42670882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2008139092/02A RU2390570C1 (en) | 2008-10-01 | 2008-10-01 | Method of pellet heat treatment |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2390570C1 (en) |
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2008
- 2008-10-01 RU RU2008139092/02A patent/RU2390570C1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2390570C1 (en) | 2010-05-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20101002 |