RU2007149396A - METHOD FOR REDUCING EMISSIONS OF NITROGEN OXIDES BASED ON PLASMA STABILIZATION OF DUST AND COAL FLOW COMBUSTION AND DEVICE FOR ITS IMPLEMENTATION - Google Patents
METHOD FOR REDUCING EMISSIONS OF NITROGEN OXIDES BASED ON PLASMA STABILIZATION OF DUST AND COAL FLOW COMBUSTION AND DEVICE FOR ITS IMPLEMENTATION Download PDFInfo
- Publication number
- RU2007149396A RU2007149396A RU2007149396/06A RU2007149396A RU2007149396A RU 2007149396 A RU2007149396 A RU 2007149396A RU 2007149396/06 A RU2007149396/06 A RU 2007149396/06A RU 2007149396 A RU2007149396 A RU 2007149396A RU 2007149396 A RU2007149396 A RU 2007149396A
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- RU
- Russia
- Prior art keywords
- coal
- burners
- plasma
- dust
- chamber
- Prior art date
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- 239000003245 coal Substances 0.000 title claims abstract 15
- 238000000034 method Methods 0.000 title claims abstract 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract 8
- 238000002485 combustion reaction Methods 0.000 title claims abstract 4
- 230000006641 stabilisation Effects 0.000 title 1
- 238000011105 stabilization Methods 0.000 title 1
- 238000002360 preparation method Methods 0.000 claims abstract 8
- 239000000446 fuel Substances 0.000 claims abstract 6
- 239000002817 coal dust Substances 0.000 claims abstract 4
- 239000000203 mixture Substances 0.000 claims abstract 4
- 239000000443 aerosol Substances 0.000 claims abstract 2
- 239000000428 dust Substances 0.000 claims abstract 2
- 238000004157 plasmatron Methods 0.000 claims abstract 2
Abstract
1. Способ снижения выбросов оксидов азота при факельном сжигании угольной пыли в котле, включающий подачу пылеугольной аэросмеси в основные горелки с коэффициентом избытка воздуха αг<1, воспламенение и горение угля в топке, и подачу остального воздуха с α>1, необходимого для полного горения угля, в топку выше основных горелок, отличающийся тем, что в части горелок (преимущественно не более 10% от общего количества основных горелок) осуществляют воспламенение угольной аэросмеси плазмой. ! 2. Способ по п.1, отличающийся тем, что плазмотронами оснащают горелки нижнего яруса. ! 3. Способ по п.1, отличающийся тем, что воспламенение угля плазмой осуществляют в дополнительно установленных горелках и расположенных в плоскости нижнего яруса основных горелок. ! 4. Способ по п.1, отличающийся тем, что воспламенение угля плазмой осуществляют в дополнительно установленных горелках и расположенных ниже плоскости размещения основных горелок нижнего яруса. ! 5. Плазменная пылеугольная горелка, содержащая камеру термохимической подготовки топлива, внутренняя поверхность которой имеет цилиндрическую форму, пылепровод подачи угольной аэросмеси в эту камеру, плазмотрон, установленный на боковой поверхности камеры термохимической подготовки топлива у ее входной части, патрубок камеры термохимической подготовки топлива, в который установлен этот плазмотрон, и канал вторичного воздуха, отличающаяся тем, что часть внутренней стенки камеры термохимической подготовки, граничащую с патрубком, выполняют в виде плоской поверхности и выходной торец плазмотрона располагают в одной плоскости с этой плоской поверхностью внутренней стенки к1. A method of reducing emissions of nitrogen oxides during the flaring of coal dust in a boiler, including the supply of pulverized coal mixtures into the main burners with an excess air coefficient αg <1, ignition and combustion of coal in the furnace, and the remaining air supply with α> 1 necessary for complete combustion coal into the furnace above the main burners, characterized in that in part of the burners (mainly not more than 10% of the total number of main burners), the coal aerosol is ignited by plasma. ! 2. The method according to claim 1, characterized in that the plasma torches equip the burners of the lower tier. ! 3. The method according to claim 1, characterized in that the ignition of coal by plasma is carried out in additionally installed burners and located in the plane of the lower tier of the main burners. ! 4. The method according to claim 1, characterized in that the ignition of coal by plasma is carried out in additionally installed burners and located below the plane of placement of the main burners of the lower tier. ! 5. A plasma dust-coal burner containing a thermochemical fuel preparation chamber, the inner surface of which has a cylindrical shape, a coal dust mixture supply dust pipe to this chamber, a plasma torch mounted on the side surface of the thermochemical fuel preparation chamber at its inlet, a pipe for the thermochemical fuel preparation chamber, in which this plasmatron is installed, and the secondary air channel, characterized in that a part of the inner wall of the chamber of thermochemical preparation, bordering the pipe, lnyayut as a flat surface, and the output end of the plasma torch is arranged in the same plane as the flat surface of the inner wall to
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2007149396/06A RU2377467C2 (en) | 2007-12-26 | 2007-12-26 | Method of reducing nitrogen oxide emissions based on plasma flame stabilisation of pulverised coal flow and device intended for realisation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2007149396/06A RU2377467C2 (en) | 2007-12-26 | 2007-12-26 | Method of reducing nitrogen oxide emissions based on plasma flame stabilisation of pulverised coal flow and device intended for realisation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2007149396A true RU2007149396A (en) | 2009-07-10 |
| RU2377467C2 RU2377467C2 (en) | 2009-12-27 |
Family
ID=41045326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2007149396/06A RU2377467C2 (en) | 2007-12-26 | 2007-12-26 | Method of reducing nitrogen oxide emissions based on plasma flame stabilisation of pulverised coal flow and device intended for realisation thereof |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2377467C2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2399842C1 (en) * | 2009-07-29 | 2010-09-20 | Учреждение Российской Академии наук Институт теплофизики им. С.С. Кутателадзе Сибирского отделения РАН (ИТ СО РАН) | Plasma-coal lighting-up method of pulverised-coal fired boiler |
| RU2407948C1 (en) * | 2009-07-29 | 2010-12-27 | Учреждение Российской Академии наук Институт теплофизики им. С.С. Кутателадзе Сибирского отделения РАН (ИТ СО РАН) | Three-stage coal combustion method by using plasma thermochemical treatment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019221640A1 (en) | 2018-05-15 | 2019-11-21 | Общество с ограниченной ответственностью "КОТЭС Инжиниринг" | Device and method for flame combustion of fuel |
| RU2704178C1 (en) * | 2019-02-21 | 2019-10-24 | Общество с ограниченной ответственностью "КОТЭС Инжиниринг" | Flare combustion device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI85910C (en) * | 1989-01-16 | 1992-06-10 | Imatran Voima Oy | FOERFARANDE OCH ANORDNING FOER ATT STARTA PANNAN I ETT KRAFTVERK SOM UTNYTTJAR FAST BRAENSLE SAMT FOER ATT SAEKERSTAELLA FOERBRAENNINGEN AV BRAENSLET. |
| SU1714293A1 (en) * | 1989-12-20 | 1992-02-23 | Красноярский Политехнический Институт | Furnace |
| RU2047048C1 (en) * | 1993-04-16 | 1995-10-27 | Институт теплофизики СО РАН | Device for firing pulverized fuel |
| RU2210032C2 (en) * | 2000-12-28 | 2003-08-10 | Карпенко Евгений Иванович | Method of plasma ignition of pulverized-coal fuel (variants) and plasma pulverized-coal burner for realization of this method |
| RU2201554C1 (en) * | 2002-04-10 | 2003-03-27 | Достовалов Виктор Александрович | Method for plasma ignition of pulverized coal |
-
2007
- 2007-12-26 RU RU2007149396/06A patent/RU2377467C2/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2399842C1 (en) * | 2009-07-29 | 2010-09-20 | Учреждение Российской Академии наук Институт теплофизики им. С.С. Кутателадзе Сибирского отделения РАН (ИТ СО РАН) | Plasma-coal lighting-up method of pulverised-coal fired boiler |
| RU2407948C1 (en) * | 2009-07-29 | 2010-12-27 | Учреждение Российской Академии наук Институт теплофизики им. С.С. Кутателадзе Сибирского отделения РАН (ИТ СО РАН) | Three-stage coal combustion method by using plasma thermochemical treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2377467C2 (en) | 2009-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20091227 |
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| NF4A | Reinstatement of patent |
Effective date: 20110410 |
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| PC41 | Official registration of the transfer of exclusive right |
Effective date: 20130423 |
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| QA4A | Patent open for licensing |
Effective date: 20130805 |
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| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20171227 |