CN103528057A - Pulverized coal oxygen-rich combustor - Google Patents
Pulverized coal oxygen-rich combustor Download PDFInfo
- Publication number
- CN103528057A CN103528057A CN201310542916.5A CN201310542916A CN103528057A CN 103528057 A CN103528057 A CN 103528057A CN 201310542916 A CN201310542916 A CN 201310542916A CN 103528057 A CN103528057 A CN 103528057A
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- China
- Prior art keywords
- burner
- oxygen
- coal dust
- passage
- furnace wall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000001301 oxygen Substances 0.000 title claims abstract description 60
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 60
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000003245 coal Substances 0.000 title claims abstract description 34
- 239000002817 coal dust Substances 0.000 claims description 38
- 230000009970 fire resistant effect Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 239000000843 powder Substances 0.000 abstract 1
- 239000011819 refractory material Substances 0.000 abstract 1
- 239000004071 soot Substances 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
本发明公开了一种煤粉多氧燃烧器，设有圆筒形烧嘴，其里端伸入炉壁与炉膛相通，四周用轻质耐火材料模块包裹，烧嘴通过法兰盘与炉壁固定连接；设有煤粉风通道，煤粉风通道外周设有一次氧通道，煤粉风通道的中心设有一次氧通道，一次氧通道里端设有耐火嘴。一次氧通道和二次氧通道的外端设有快速接头。在烧嘴旁的炉壁上设有热电偶；在煤粉和一次煤粉风通道、一次氧通道和二次氧通道上设有电控阀门，并设有与热电偶和电控阀门控制连接的控制器。本发明适用于煤粉的燃烧，结构创新，简单实用，燃烧效率高，更节煤，煤烟排量少，更环保，并能实现自动控制。
The invention discloses a pulverized coal multi-oxygen burner, which is provided with a cylindrical burner, the inner end of which extends into the furnace wall and communicates with the furnace hearth, and is surrounded by light refractory material modules, and the burner is connected to the furnace wall through a flange. Fixed connection; a pulverized coal air channel is provided, a primary oxygen channel is provided on the periphery of the pulverized coal air channel, a primary oxygen channel is provided in the center of the pulverized coal air channel, and a refractory nozzle is provided at the inner end of the primary oxygen channel. The outer ends of the primary oxygen channel and the secondary oxygen channel are provided with quick connectors. There is a thermocouple on the furnace wall next to the burner; there are electric control valves on the pulverized coal and the primary pulverized coal air channel, the primary oxygen channel and the secondary oxygen channel, and there is a control connection with the thermocouple and the electronic control valve. controller. The invention is applicable to the combustion of coal powder, has an innovative structure, is simple and practical, has high combustion efficiency, is more coal-saving, has less soot emission, is more environmentally friendly, and can realize automatic control.
Description
Technical field
The invention belongs to a kind of coal combustion equipment and technology, specifically a kind of coal dust oxygen-enriched burner, for large coal-fired boiler and other large-scale coal combustion equipments, is a kind of novel efficient fuel coal equipment of economizing on coal.
Technical background
At present, the heating power thermal hardware that the coal of take is fuel, applies still very extensive.This kind equipment mostly will arrange coal burner, and for a long time, people, in order to economize on coal better and to improve burning of coal efficiency and found out a lot of ways, have designed diversified coal burner.Used coal burner mostly has improvement to a certain degree aspect the raising burning of coal efficiency of economizing on coal.But still more reasonable structure need to be proposed, economize on coal and the better coal burner of burning of coal efficiency, to meet the requirements at the higher level of production, energy-saving and environmental protection.Common coal burner uses coal dust as fuel, and air, as medium transport coal dust, is a wind.It is combustion-supporting that an other road normal air blasts burner hearth from the peripheral annular space of coal dust wind, is Secondary Air, and burner and burner hearth junction arrange precombustion chamber, for guaranteeing that coal dust fully burns.The structure of this coal burner is comparatively reasonable, but still requires further improvement.
Summary of the invention
The object of the invention is in order to solve the problems of the technologies described above, a kind of coal dust oxygen-enriched burner is proposed, this coal burner is provided with oxygen inlet, and minute one time oxygen and secondary oxygen, saved precombustion chamber or combustion chamber, simple and practical, realized the fully burning fast of coal dust, the thermal efficiency is high, and coal-saving environmental protection effect improves greatly.
The object of the invention is to be achieved through the following technical solutions:
Coal dust oxygen-enriched burner, is characterized in that: be provided with cylindrical shape burner, the inner end of this burner is stretched into furnace wall and communicated with burner hearth, lightweight refracrory module parcel for the part surrounding that burner contacts with furnace wall with burner hearth, and burner is fixedly connected with furnace wall by ring flange; Be provided with the coal dust wind passage with air pulverized coal conveying, coal dust wind passage is arranged with the secondary oxygen passage that is wrapped in coal dust wind passage outside outward, the center of coal dust wind passage is provided with oxygen passage one time, is provided with secondary oxygen passway, coal dust wind passway and an oxygen passway at burner place.
The present invention further improves and the additional project of enforcement is:
An oxygen passway of a described oxygen passage inner end is provided with fire-resistant mouth.
The Outer Tube termination of secondary oxygen passage and the external end head of an oxygen passage are respectively equipped with snap joint.
On the furnace wall of described burner both sides, be provided with fire hole and fiery verify.
On the other furnace wall of described burner, be provided with thermocouple, and be provided with this thermocouple and carry out the controller that signal is connected; On described coal dust wind passage, oxygen passage and secondary oxygen passage, be provided with electric control valve, this electric control valve and described controller carry out control connection.
Coal dust oxygen-enriched burner of the present invention is used normal air pulverized coal conveying, oxygen and secondary oxygen air supply channel are set, it is combustion-supporting that oxygen and secondary oxygen enter respectively burner hearth, and oxygen divides does two strands, in center and the surrounding of pulverized coal flow, passes into, coal dust fully mixes with oxygen, fully burning, can save exhaust gas volumn fast, has reduced flue gas loss, save coal dust consumption, also saved preheating chamber.Have structure innovation, simple and practical, efficiency of combustion is high, more economizes on coal, and coal smoke discharge capacity is few, more environmental protection, and can realize the advantage of automatically controlling.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is sectional structure schematic diagram of the present invention.
The profile of product of the present invention is not subject to the restriction of this figure, and only profile changes the protection domain that also belongs to patent of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further described, embodiment: referring to accompanying drawing, coal dust oxygen-enriched burner, be provided with cylindrical shape burner 7, the inner end of this burner is stretched into furnace wall and is communicated with burner hearth, lightweight refracrory module 4 parcels for the part surrounding that burner contacts with furnace wall with burner hearth, burner is fixedly connected with furnace wall by ring flange 8; Be provided with the coal dust wind passage 1 with air pulverized coal conveying, coal dust wind passage is arranged with the secondary oxygen passage 12 that is wrapped in coal dust wind passage outside outward, the center of coal dust wind passage is provided with oxygen passage 2 one time, is provided with secondary oxygen passway, coal dust wind passway and an oxygen passway at burner place.An oxygen passway of a described oxygen passage inner end is provided with fire-resistant mouth 9.Outer Tube 3 terminations of secondary oxygen passage and the external end head of an oxygen passage are respectively equipped with snap joint 5,6.On the furnace wall of described burner both sides, be provided with fire hole 10 and fiery verify 11.On the other furnace wall of described burner, be provided with thermocouple, and be provided with this thermocouple and carry out the controller that signal is connected; On described coal dust wind passage, oxygen passage and secondary oxygen passage, be provided with electric control valve, this electric control valve and described controller carry out control connection.
The present embodiment is on probation through half a year, than conventional coal burner, exhaust gas volumn reduces by 65%, flue gas loss reduces, coal dust saving rate 40%, fire box temperature is all permanent, and can move needs adjusting furnace temperature and confession coal dust and air feed oxygen amount easily according to stove, equipment cost and operating cost have significantly reduction, and environment protecting is greatly improved.
It should be pointed out that under the premise without departing from the principles of the invention, can also make some improvement and change, these improvement and change also should be considered as the protection domain of this patent.
Claims (5)
1. a coal dust oxygen-enriched burner, it is characterized in that: be provided with cylindrical shape burner (7), the inner end of this burner is stretched into furnace wall and is communicated with burner hearth, lightweight refracrory module (4) parcel for the part surrounding that burner contacts with furnace wall with burner hearth, burner is fixedly connected with furnace wall by ring flange (8); Be provided with the coal dust wind passage (1) with air pulverized coal conveying, coal dust wind passage is arranged with the secondary oxygen passage (12) that is wrapped in coal dust wind passage outside outward, the center of coal dust wind passage is provided with an oxygen passage (2), is provided with secondary oxygen passway, coal dust wind passway and an oxygen passway at burner place.
2. coal dust oxygen-enriched burner according to claim 1, is characterized in that: an oxygen passway of a described oxygen passage inner end is provided with fire-resistant mouth (9).
3. coal dust oxygen-enriched burner according to claim 1, is characterized in that: Outer Tube (3) termination of secondary oxygen passage and the external end head of an oxygen passage (2) are respectively equipped with snap joint (5,6).
4. coal dust oxygen-enriched burner according to claim 1, is characterized in that: on the furnace wall of described burner both sides, be provided with fire hole (10) and fiery verify (11).
5. according to claim 1,2,3, one of 4 described coal dust oxygen-enriched burners, it is characterized in that: on the other furnace wall of described burner, be provided with thermocouple, and be provided with this thermocouple and carry out the controller that signal is connected; On described coal dust wind passage, oxygen passage and secondary oxygen passage, be provided with electric control valve, this electric control valve and described controller carry out control connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542916.5A CN103528057B (en) | 2013-11-06 | 2013-11-06 | Coal dust oxygen-enriched burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542916.5A CN103528057B (en) | 2013-11-06 | 2013-11-06 | Coal dust oxygen-enriched burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103528057A true CN103528057A (en) | 2014-01-22 |
| CN103528057B CN103528057B (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310542916.5A Active CN103528057B (en) | 2013-11-06 | 2013-11-06 | Coal dust oxygen-enriched burner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333421A (en) * | 2015-11-26 | 2016-02-17 | 王立臣 | Non-air-conveying powdered fuel oxygen-rich combustion device and method |
| CN106830068A (en) * | 2015-12-04 | 2017-06-13 | 云南冶金新立钛业有限公司 | Toluene spray gun and Titanium Dioxide Produced by Chloride Procedure production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW404983B (en) * | 1994-11-02 | 2000-09-11 | Nippon Kokan Kk | Scrap melting method |
| CN2428747Y (en) * | 2000-06-30 | 2001-05-02 | 钢铁研究总院 | Immersion-type coal-oxygen spray-gun |
| CN101169243A (en) * | 2006-10-24 | 2008-04-30 | 气体产品与化学公司 | Pulverized solid fuel burner |
| KR20100006606A (en) * | 2008-07-10 | 2010-01-21 | 박대용 | A coal burner of unnecessary preheating coal dust by combustion method |
| CN101825278A (en) * | 2010-05-28 | 2010-09-08 | 华中科技大学 | Oxygen-rich combustor |
| CN102261651A (en) * | 2011-07-28 | 2011-11-30 | 王立臣 | Oxygen-enriched burner and combustion method thereof |
| CN102322633A (en) * | 2011-09-16 | 2012-01-18 | 徐州燃控科技股份有限公司 | Pure-oxygen pulverized coal entraining combustor |
| CN103196137A (en) * | 2012-01-04 | 2013-07-10 | 刘柏谦 | Multi-burner pulverized coal combustion device |
| EP2623861A1 (en) * | 2010-09-30 | 2013-08-07 | Babcock-Hitachi Kabushiki Kaisha | Combustion system and method for operating same |
| WO2013148831A2 (en) * | 2012-03-27 | 2013-10-03 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Biomass combustion |
-
2013
- 2013-11-06 CN CN201310542916.5A patent/CN103528057B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW404983B (en) * | 1994-11-02 | 2000-09-11 | Nippon Kokan Kk | Scrap melting method |
| CN2428747Y (en) * | 2000-06-30 | 2001-05-02 | 钢铁研究总院 | Immersion-type coal-oxygen spray-gun |
| CN101169243A (en) * | 2006-10-24 | 2008-04-30 | 气体产品与化学公司 | Pulverized solid fuel burner |
| KR20100006606A (en) * | 2008-07-10 | 2010-01-21 | 박대용 | A coal burner of unnecessary preheating coal dust by combustion method |
| CN101825278A (en) * | 2010-05-28 | 2010-09-08 | 华中科技大学 | Oxygen-rich combustor |
| EP2623861A1 (en) * | 2010-09-30 | 2013-08-07 | Babcock-Hitachi Kabushiki Kaisha | Combustion system and method for operating same |
| CN102261651A (en) * | 2011-07-28 | 2011-11-30 | 王立臣 | Oxygen-enriched burner and combustion method thereof |
| CN102322633A (en) * | 2011-09-16 | 2012-01-18 | 徐州燃控科技股份有限公司 | Pure-oxygen pulverized coal entraining combustor |
| CN103196137A (en) * | 2012-01-04 | 2013-07-10 | 刘柏谦 | Multi-burner pulverized coal combustion device |
| WO2013148831A2 (en) * | 2012-03-27 | 2013-10-03 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Biomass combustion |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333421A (en) * | 2015-11-26 | 2016-02-17 | 王立臣 | Non-air-conveying powdered fuel oxygen-rich combustion device and method |
| CN106830068A (en) * | 2015-12-04 | 2017-06-13 | 云南冶金新立钛业有限公司 | Toluene spray gun and Titanium Dioxide Produced by Chloride Procedure production line |
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| Publication number | Publication date |
|---|---|
| CN103528057B (en) | 2015-10-21 |
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Effective date of registration: 20250409 Address after: 4-301 Jiali Building, Beiyuan Road, Chaoyang District, Beijing 100101 Patentee after: Beijing Kai Yang Heat Technology Co.,Ltd. Country or region after: China Address before: 100101 Beijing Chaoyang District Anli Road No. 60 runfengdeshang court B block room 901 Patentee before: Wang Lichen Country or region before: China |
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