CN100532935C - Energy saving micro oil and natural gas igniting powder coal burner - Google Patents
Energy saving micro oil and natural gas igniting powder coal burner Download PDFInfo
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- CN100532935C CN100532935C CNB2007100722239A CN200710072223A CN100532935C CN 100532935 C CN100532935 C CN 100532935C CN B2007100722239 A CNB2007100722239 A CN B2007100722239A CN 200710072223 A CN200710072223 A CN 200710072223A CN 100532935 C CN100532935 C CN 100532935C
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Abstract
A pulverized-coal burning device being ignited by trace amount of oil and natural gas is prepared for setting guide stop dog of pulverized-coal at inlet end in pipe barred, fixing interfaces of the first and the second trace amount oil and natural gas igniters on bottom of external side at pipe barrel and connecting two said igniters to internal of pipe barrel, fixing secondary air chamber at side of pulverized-coal burning device on external side at front of pipe barrel and fixing nozzle at outlet end of pulverized-coal burning device set at front of pipe barrel.
Description
Technical field
The present invention relates to a kind of coal powder burner.
Background technology
The burner and the torch oil gun of existing coal burning boiler of power station are set to: 1, burner and torch oil gun are provided with respectively, and torch oil gun is arranged in the boiler secondary air spout, employing all be the mechanical atomization oil gun; 2, oil gun is arranged in the spout of burner, generally adopts mechanical atomization or steam atomization.The problem that above dual mode exists is that the fuel oil consumption is big, causes energy waste.In recent years, along with the global energy use amount increases year by year, International Crude Oil is risen steadily, National Development and Reform Committee has higher requirement to the utilization and the energy savings of the energy.Each universities and colleges of the whole nation and scientific research institutions all increase input in this field and research and develop the energy saving burner, and the public institution of high energy consumption sets up energy-saving and cost-reducing administrative department in our unit respectively, and has formulated energy-saving index.Country pays much attention to the exploitation of energy savings new technology, new equipment.
Summary of the invention
The objective of the invention is to exist the fuel oil consumption big, cause the problem of energy waste, a kind of energy saving micro oil, natural gas igniting powder coal burner are provided for the burner that solves existing coal burning boiler of power station.The present invention comprises a wind coal powder entrance circumference of boiler joint, horizontal bias coal dust classifier and coal powder burner, the port of export of a wind coal powder entrance circumference of boiler joint is fixedlyed connected with the arrival end of horizontal bias coal dust classifier, the port of export of horizontal bias coal dust classifier is fixedlyed connected with the arrival end of coal powder burner, coal powder burner comprises the first coal dust water conservancy diversion link stopper, the one-level micro oil, oil gas, natural gas fired rifle interface, the secondary micro oil, oil gas, natural gas fired rifle interface, socket, coal powder burner side secondary air chamber and spout, the arrival end of socket is connected with the port of export of horizontal bias coal dust classifier, the first coal dust water conservancy diversion link stopper is arranged on the arrival end in the socket, the one-level micro oil, oil gas, natural gas fired rifle interface and secondary micro oil, oil gas, natural gas fired rifle interface is separately fixed at the bottom in the socket outside and is connected with socket inside, coal powder burner side secondary air chamber is fixed on the outside of socket front portion, and spout is fixed on the port of export of coal powder burner of socket front portion.The present invention utilizes the high concentration pulverized coal in micro oil, oil gas, the natural gas igniting powder coal burner, has realized the coal dust primary combustion in the burner by amplifying fractional combustion step by step.The present invention has advantage of simple structure, uses the micro oil, oil gas, natural gas can firing coal-dust, again can energy savings, both reduced pollution, and security and reliability are high again.The present invention compared with prior art can save 40～90% fuel oil or natural gas.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention, and Fig. 2 is that the A of Fig. 1 is to view.
The specific embodiment
The specific embodiment one: (referring to Fig. 1, Fig. 2) present embodiment is by a wind coal powder entrance circumference of boiler joint 1, horizontal bias coal dust classifier 2 and coal powder burner 3 are formed, the port of export of a wind coal powder entrance circumference of boiler joint 1 is fixedlyed connected with the arrival end of horizontal bias coal dust classifier 2, the port of export of horizontal bias coal dust classifier 2 is fixedlyed connected with the arrival end of coal powder burner 3, coal powder burner 3 is by the first coal dust water conservancy diversion link stopper 3-1, the one-level micro oil, oil gas, natural gas fired rifle interface 3-3, the secondary micro oil, oil gas, natural gas fired rifle interface 3-11, socket 3-12, coal powder burner side secondary air chamber 3-7 and spout 3-10 form, the arrival end of socket 3-12 is connected with the port of export of horizontal bias coal dust classifier 2, the first coal dust water conservancy diversion link stopper 3-1 is arranged on the arrival end in the socket 3-12, the one-level micro oil, oil gas, natural gas fired rifle interface 3-3 and secondary micro oil, oil gas, natural gas fired rifle interface 3-11 is separately fixed at the bottom in the socket 3-12 outside and is connected with socket 3-12 inside, coal powder burner side secondary air chamber 3-7 is fixed on the outside of socket 3-12 front portion, and spout 3-10 is fixed on the port of export of coal powder burner of socket 3-12 front portion.
The specific embodiment two: the difference of (referring to Fig. 1, Fig. 2) present embodiment and the specific embodiment one is that its increase has two coal dust primary combustion chamber vertical clapboard 3-5, and two coal dust primary combustion chamber vertical clapboard 3-5 are separately fixed in the socket 3-12 in one-level micro oil, oil gas, natural gas fired rifle interface 3-3 and secondary micro oil, oil gas, natural gas fired rifle interface 3-11 exit.Other composition is identical with the specific embodiment one with annexation.The effect of coal dust primary combustion chamber vertical clapboard 3-5 is that oil, the gas that can make burning can be lighted coal dust easily.
The specific embodiment three: the difference of (referring to Fig. 1, Fig. 2) present embodiment and the specific embodiment two is that its increase has the indoor diaphragm plate 3-6 of coal dust primary combustion, the indoor diaphragm plate 3-6 of coal dust primary combustion to be fixed in the socket 3-12 of two coal dust primary combustion chamber vertical clapboard 3-5 upsides.Other composition is identical with the specific embodiment two with annexation.The effect of the indoor diaphragm plate 3-6 of coal dust primary combustion is that oil, the gas that can make burning can be lighted coal dust easily.
The specific embodiment four: the difference of (referring to Fig. 1, Fig. 2) present embodiment and the specific embodiment three is that its increases and to have the second coal dust water conservancy diversion link stopper 3-8, the second coal dust water conservancy diversion link stopper 3-8 to be fixed on socket 3-12 to export on four jiaos of the inwalls of a side.Other composition is identical with the specific embodiment three with annexation.The effect of the second coal dust water conservancy diversion link stopper 3-8 is that the incombustible coal dust water conservancy diversion of Jiang Sijiao fully burns to the coal powder burner central combustion zone.
The specific embodiment five: the difference of (referring to Fig. 1) present embodiment and the specific embodiment four is that its increase has flame detecting probe interface 3-4, flame detecting probe interface 3-4 to be fixed on the downside of the socket 3-12 outer wall between one-level micro oil, oil gas, natural gas fired rifle interface 3-3 and secondary micro oil, oil gas, the natural gas fired rifle interface 3-11.Other composition is identical with the specific embodiment four with annexation.Whether the effect of flame detecting probe interface 3-4 is to detect micro oil, oil gas, natural gas fired rifle to light.
The specific embodiment six: the difference of (referring to Fig. 1, Fig. 2) present embodiment and the specific embodiment four is that its increase has coal powder burner cooling air compartment 3-2, coal powder burner cooling air compartment 3-2 is arranged on the two side and downside wall of socket 3-12, is provided with coal dust between the downside of coal powder burner cooling air compartment 3-2 and spout 3-10 and amplifies fractional combustion supplemental oxygen and wall cooling air port 3-9 step by step.Other composition is identical with the specific embodiment five with annexation.The effect of coal powder burner cooling air compartment 3-2 is the temperature that reduces the burner wall by the cooling air in the cooling air compartment, avoids burning out burner.
Claims (6)
1, a kind of energy saving micro oil, natural gas igniting powder coal burner, energy saving micro oil, natural gas igniting powder coal burner comprises a wind coal powder entrance circumference joint of boiler (1), horizontal bias coal dust classifier (2) and coal powder burner (3), the port of export of a wind coal powder entrance circumference joint of boiler (1) is fixedlyed connected with the arrival end of horizontal bias coal dust classifier (2), the port of export of horizontal bias coal dust classifier (2) is fixedlyed connected with the arrival end of coal powder burner (3), it is characterized in that: coal powder burner (3) comprises the first coal dust water conservancy diversion link stopper (3-1), the one-level micro oil, oil gas, natural gas fired rifle interface (3-3), the secondary micro oil, oil gas, natural gas fired rifle interface (3-11), socket (3-12), coal powder burner side secondary air chamber (3-7) and spout (3-10), the arrival end of socket (3-12) is connected with the port of export of horizontal bias coal dust classifier (2), the first coal dust water conservancy diversion link stopper (3-1) is arranged on the arrival end in the socket (3-12), the one-level micro oil, oil gas, natural gas fired rifle interface (3-3) and secondary micro oil, oil gas, natural gas fired rifle interface (3-11) is separately fixed at the bottom in socket (3-12) outside and is connected with socket (3-12) inside, coal powder burner side secondary air chamber (3-7) is fixed on the anterior outside of socket (3-12), and spout (3-10) is fixed on the port of export of the anterior coal powder burner of socket (3-12).
2, energy saving micro oil according to claim 1, natural gas igniting powder coal burner, it is characterized in that: energy saving micro oil, natural gas igniting powder coal burner also include two coal dust primary combustion chamber vertical clapboards (3-5), and two coal dust primary combustion chamber vertical clapboards (3-5) are separately fixed in the socket (3-12) in one-level micro oil, oil gas, natural gas fired rifle interface (3-3) and secondary micro oil, oil gas, natural gas fired rifle interface (3-11) exit.
3, energy saving micro oil according to claim 2, natural gas igniting powder coal burner, it is characterized in that: energy saving micro oil, natural gas igniting powder coal burner also include the indoor diaphragm plate of coal dust primary combustion (3-6), and the indoor diaphragm plate of coal dust primary combustion (3-6) is fixed in the socket (3-12) of two coal dust primary combustion chamber vertical clapboards (3-5) upside.
4, energy saving micro oil according to claim 3, natural gas igniting powder coal burner, it is characterized in that: energy saving micro oil, natural gas igniting powder coal burner also include the second coal dust water conservancy diversion link stopper (3-8), and the second coal dust water conservancy diversion link stopper (3-8) is fixed on four jiaos of the inwalls of socket (3-12) outlet one side.
5, energy saving micro oil according to claim 4, natural gas igniting powder coal burner, it is characterized in that: energy saving micro oil, natural gas igniting powder coal burner also include flame detecting probe interface (3-4), and flame detecting probe interface (3-4) is fixed on the downside of socket (3-12) outer wall between one-level micro oil, oil gas, natural gas fired rifle interface (3-3) and secondary micro oil, oil gas, the natural gas fired rifle interface (3-11).
6, energy saving micro oil according to claim 5, natural gas igniting powder coal burner, it is characterized in that: energy saving micro oil, natural gas igniting powder coal burner also include coal powder burner cooling air compartment (3-2), coal powder burner cooling air compartment (3-2) is arranged on the two side and downside wall of socket (3-12), is provided with coal dust between the downside of coal powder burner cooling air compartment (3-2) and spout (3-10) and amplifies fractional combustion supplemental oxygen and wall cooling air port (3-9) step by step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100722239A CN100532935C (en) | 2007-05-18 | 2007-05-18 | Energy saving micro oil and natural gas igniting powder coal burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100722239A CN100532935C (en) | 2007-05-18 | 2007-05-18 | Energy saving micro oil and natural gas igniting powder coal burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101050866A CN101050866A (en) | 2007-10-10 |
| CN100532935C true CN100532935C (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100722239A Expired - Fee Related CN100532935C (en) | 2007-05-18 | 2007-05-18 | Energy saving micro oil and natural gas igniting powder coal burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100532935C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8104412B2 (en) * | 2008-08-21 | 2012-01-31 | Riley Power Inc. | Deflector device for coal piping systems |
| CN101561138B (en) * | 2009-05-27 | 2010-12-08 | 哈尔滨工业大学 | Secondary concentration double-nozzle micro-oil pulverized coal igniting device |
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2007
- 2007-05-18 CN CNB2007100722239A patent/CN100532935C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101050866A (en) | 2007-10-10 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BEIJING GUODIAN LONGGAOKE ENVIRONMENT ENGINEERING & TECHNOLOGY Co.,Ltd. Assignor: Harbin Institute of Technology Contract record no.: 2012990000157 Denomination of invention: Energy saving micro oil and natural gas igniting powder coal burner Granted publication date: 20090826 License type: Exclusive License Open date: 20071010 Record date: 20120330 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 |