CN109575997A - A kind of high-effective gas burner and its application method with fine coal premix - Google Patents
A kind of high-effective gas burner and its application method with fine coal premix Download PDFInfo
- Publication number
- CN109575997A CN109575997A CN201910098436.1A CN201910098436A CN109575997A CN 109575997 A CN109575997 A CN 109575997A CN 201910098436 A CN201910098436 A CN 201910098436A CN 109575997 A CN109575997 A CN 109575997A
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- CN
- China
- Prior art keywords
- burner
- coal dust
- cooling water
- channel
- coal
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/50—Fuel charging devices
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2200/00—Details of gasification apparatus
- C10J2200/15—Details of feeding means
Abstract
A kind of high-effective gas burner and its application method with fine coal premix provided by the invention, including main burner, integrated burner, cooling water heat exchanger channels, oxygen channel, coal dust channel, startup burner, igniter burner and the coal dust distributor of going into operation of lighting a fire, wherein, igniter burner is arranged at the lumen centers of main burner, it is disposed with startup burner, coal dust channel and oxygen channel between igniter burner and main burner, cooling water heat exchanger channels are provided on the outside of main burner；The top of coal dust channel extend out to the outside of main burner, and the top of startup burner extend out to the outside of coal dust channel, the matched arrangement in the top of igniter burner and the top of startup burner；Meanwhile igniting is set at the top of startup burner and igniter burner and is gone into operation the inside of integrated burner；Coal dust distributor is arranged in the inner cavity of coal dust channel；The present invention can effectively prevent burning partially, reduce influence of the seam fluctuation to burner hearth flow field, make gasification installation operation more safety and stability.
Description
Technical field
The invention belongs to field of energy and chemical technologys, and in particular to it is a kind of with fine coal premix high-effective gas burner and its
Application method.
Background technique
Currently, Coal Gasification Technology is Coal Clean and one of the main path that efficiently utilizes, and Dry Feeding Entrain Bed Coal Gasification
The advantages that technology is big, efficiency of carbon con version is high, the intensity of gasification is high, energy conservation and environmental protection with its unit volume treating capacity and obtain being widely popularized and answer
With.The core equipment of dry coal powder gasification technology is gasification furnace, and coal dust burner is the core component of gasification furnace, the equipment
Performance and service life, it is steady to directly affect effective progress of normal reaction, gasification process product quality and its long period in gasification furnace
Fixed operation.
Although having carried out a large amount of research to gasifier nozzle both at home and abroad, there is also many problems to be solved.Than
Such as, due to that can have load difference between each seam, under the conditions of fine coal Condensed transportation, every seam is inevitably generated
Certain fluctuation, these factors are all affected to gasification furnace burner hearth flow field, when especially blocking or jumping vehicle occur in single seam,
Gasification fluid field in furnace and temperature field fluctuation are more violent, cause to burn phenomenon partially, cause gasifier water-cooling wall booster.Using single injector
Gasification furnace, the reaction medium residence time is short, and efficiency of carbon con version is not high, and it is common problem that water-cooling wall dross is undesirable etc..
Summary of the invention
The purpose of the present invention is to provide a kind of high-effective gas burners and its application method with fine coal premix, solve
Existing coal gasification burner is existing since single seam occurs blocking or jumping vehicle, causes to burn phenomenon partially, causes gasifier water-cooling
The problem of wall booster.
In order to achieve the above object, the technical solution adopted by the present invention is that:
A kind of high-effective gas burner with fine coal premix provided by the invention, including main burner, the integration that goes into operation of lighting a fire
Burner, cooling water heat exchanger channels, oxygen channel, coal dust channel, startup burner, igniter burner and coal dust distributor, wherein igniting
Burner is arranged at the lumen centers of main burner, and startup burner, coal dust channel are disposed between igniter burner and main burner
And oxygen channel, cooling water heat exchanger channels are provided on the outside of main burner；
The top of coal dust channel extend out to the outside of main burner, and the top of startup burner extend out to the outside of coal dust channel,
The matched arrangement in the top of igniter burner and the top of startup burner；Meanwhile the top of startup burner and igniter burner is arranged in point
Fire goes into operation the inside of integrated burner；
Coal dust distributor is arranged in the inner cavity of coal dust channel.
Preferably, the top of coal dust channel is evenly equipped with several coal powder entrances, coal powder entrance and coal dust along its circumferencial direction
Channel communicates.
Preferably, the axis of coal powder entrance go into operation with igniting integrated burner axis between angle α be less than or equal to
30°。
Preferably, coal dust distributor includes the ontology of circular ring type structure, several coal dust holes are evenly equipped on the surface of ontology；
Wherein, the outer wall of ontology and the inner wall of coal dust channel are connected and fixed, and the inner wall of ontology and the outer wall of startup burner connect.
Preferably, main oxygen entrance, the main oxygen entrance and oxygen channel phase are offered in the top sidewall of main burner
It is logical.
Preferably, the end gas export direction of oxygen channel and main burner bottom to the angle β between fire end face be 60 °
~90 °.
Preferably, it is set with flange on main burner, cavity is provided between flange and main burner, the cavity is cooling water
Heat exchanger channels；Cooling water outlet and cooling water inlet are offered on flange, wherein cooling water outlet and cooling water inlet and cooling
Water heat exchanger channels communicate.
Preferably, cooling water heat exchanger channels include cooling water intake tunnel and cooling water backwater channel, wherein cooling water enters
Mouth is successively communicated with cooling water intake tunnel, cooling water backwater channel and cooling water outlet.
A kind of application method of the high-effective gas burner with fine coal premix distributor, based on a kind of premix distribution of band fine coal
The high-effective gas burner of device, comprising the following steps:
Gasify before furnace igniting, first igniter burner comes into operation, startup burner is then lighted into increasing temperature and pressure with igniter burner；When
When reaching coal tossing temperature, coal dust enters coal dust channel, carries out even circumferential distribution by its internal coal dust distributor, then again
Gasification reaction occurs with the oxygen mix in oxygen channel；
The heat for recycling cooling water and main burner in cooling water heat exchanger channels to generate later carries out heat exchange, with protection
The high-effective gas burner is not burned.
Compared with prior art, the beneficial effects of the present invention are:
A kind of high-effective gas burner with fine coal premix distributor provided by the invention, by inside burner channel
Coal dust distributor premixes coal dust, effectively prevent burning partially, reduces influence of the seam fluctuation to burner hearth flow field, makes gasification installation
Operation more safety and stability.
Further, reasonable Arrangement oxygen goes out angle, improves reaction medium strength of turbulence in furnace, improves efficiency of carbon con version
Height, while improving gasification furnace and catching slag efficiency.
Further, the inclination angle of coal powder entrance, to reduce abrasion of the coal dust to channel contacting surface.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of coal gasification burner provided by the invention；
Fig. 2 is the structural schematic diagram of coal dust distributor；
Wherein, 1, main burner 2, integrated burner 3, cooling water intake tunnel 4, the cooling water backwater channel of going into operation of lighting a fire
5, oxygen channel 6, coal dust channel 7, startup burner 8, igniter burner 9, flange 10, cooling water inlet 11, cooling water go out
Mouth 12, main oxygen entrance 13, coal powder entrance 14, coal dust distributor 14-1, ontology 14-2, coal dust hole.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in more detail.
As shown in Figure 1, a kind of high-effective gas burner with fine coal premix distributor provided by the invention, including main burner
1, igniting go into operation integrated burner 2, cooling water heat exchanger channels, oxygen channel 5, coal dust channel 6, startup burner 7, igniter burner 8,
Flange 9, cooling water inlet 10, cooling water outlet 11, main oxygen entrance 12, coal powder entrance 13 and coal dust distributor 14, wherein point
It burns and is successively set with startup burner 7, coal dust channel 6, oxygen channel 5 and main burner 1 on mouth 8；Cooling water heat exchanger channels suit
On main burner 1.
The top of coal dust channel 6 extend out to the outside of main burner 1, and the top of startup burner 7 extend out to the outer of coal dust channel 6
Side, the top of igniter burner 8 and the matched arrangement in top of startup burner 7.
Startup burner 7 and igniter burner 8 are arranged in igniting and go into operation the inside of integrated burner 2, and are placed in the interior of main burner 1
Chamber center, and it is coaxially arranged.
The top of coal dust channel 6 is evenly equipped with several coal powder entrances 13 along its circumferencial direction, and coal powder entrance 13 and coal dust are logical
Road 6 communicates.
The axis of coal powder entrance 13 go into operation with igniting integrated burner 2 axis between angle α be less than or equal to 30 °.
Coal dust distributor 14 is provided in the inner cavity of coal dust channel 6, the coal dust distributor 14 is sleeved on startup burner 7
On, coal dust distributor 14 is used to for the coal dust that each road seam is come being evenly distributed in the coal dust channel 6 of annular.
As shown in Fig. 2, coal dust distributor 14 includes the ontology 14-1 of circular ring type structure, it is evenly equipped on the surface of ontology 14-1
Several coal dust holes 14-2.
The outer wall of ontology 14-1 and the inner wall of coal dust channel 6 are connected and fixed, the inner wall of ontology 14-1 and startup burner 7 it is outer
Wall is connected and fixed.
Main oxygen entrance 12, the main oxygen entrance 12 and 5 phase of oxygen channel are offered in the top sidewall of main burner 1
It is logical；The end gas export direction of oxygen channel 5 and 1 bottom of main burner to the angle β between fire end face be 60 °~90 °.
It is set with flange 9 on main burner 1, cooling water outlet 11 and cooling water inlet 10 are offered on flange 9, wherein cold
But water out 11 and cooling water inlet 10 and cooling water heat exchanger channels communicate.
Cooling water heat exchanger channels include cooling water intake tunnel 3 and cooling water backwater channel 4, wherein cooling water outlet 11
It is communicated with cooling water backwater channel 4；Cooling water inlet 10 and cooling water intake tunnel 3 communicate.
Main burner 1 and the igniting integrated burner 2 that goes into operation are high-temperature nickel-base alloy steel.
The working principle of the invention:
Gasify before furnace igniting, first igniter burner 8 comes into operation, startup burner 7 is then lighted into heating with igniter burner 8 and is risen
Pressure.When reaching coal tossing temperature, coal dust enters coal dust channel 6 through coal powder entrance 13 obliquely, passes through its internal distributor 14
Even circumferential distribution is carried out, is then occurred again with through the entrance of main oxygen entrance 12 and along the oxygen mix that 5 downlink of oxygen channel is come
Gasification reaction, 5 end gas export direction of oxygen channel and main 1 bottom of burner are provided with inside angle to fire end face, make oxygen
It sprays downwards in gas and is collided with the coal dust sprayed straight down, improve reaction medium strength of turbulence in furnace, keep reaction more complete,
It is high to improve efficiency of carbon con version, while improving gasification furnace and catching slag efficiency.
The heat that reaction generates is taken away by cooling water, and to protect burner body, overtemperature is not burnt out.Coal dust distributor 14 allows
Coal dust carries out uniform circle distribution, so as to avoid inclined the problem of burning；It simultaneously can be by the fluctuation of every seam to burner hearth flow field
Influence be preferably minimized.
Claims (9)
1. a kind of high-effective gas burner with fine coal premix distributor, which is characterized in that go into operation including main burner (1), igniting
Integrated burner (2), cooling water heat exchanger channels, oxygen channel (5), coal dust channel (6), startup burner (7), igniter burner (8)
With coal dust distributor (14), wherein igniter burner (8) is arranged at the lumen centers of main burner (1), igniter burner (8) and master
Startup burner (7), coal dust channel (6) and oxygen channel (5), the outside setting of main burner (1) are disposed between burner (1)
There are cooling water heat exchanger channels；
The top of coal dust channel (6) extend out to the outside of main burner (1), and the top of startup burner (7) extend out to coal dust channel (6)
Outside, the matched arrangement in top at the top of igniter burner (8) and startup burner (7)；Meanwhile startup burner (7) and point are burnt
The top setting of mouth (8) goes into operation the inside of integrated burner (2) in igniting；
Coal dust distributor (14) is arranged in the inner cavity of coal dust channel (6).
2. a kind of high-effective gas burner with fine coal premix distributor according to claim 1, which is characterized in that coal dust
The top in channel (6) is evenly equipped with several coal powder entrances (13), coal powder entrance (13) and coal dust channel (6) phase along its circumferencial direction
It is logical.
3. a kind of high-effective gas burner with fine coal premix distributor according to claim 2, which is characterized in that coal dust
The axis of entrance (13) go into operation with igniting integrated burner (2) axis between angle α be less than or equal to 30 °.
4. a kind of high-effective gas burner with fine coal premix distributor according to claim 1, which is characterized in that coal dust
Distributor (14) includes the ontology (14-1) of circular ring type structure, several coal dust holes (14- is evenly equipped on the surface of ontology (14-1)
2)；Wherein, the outer wall of ontology (14-1) and the inner wall of coal dust channel (6) are connected and fixed, the inner wall of ontology (14-1) and the burning that goes into operation
The outer wall of mouth (7) connects.
5. a kind of high-effective gas burner with fine coal premix distributor according to claim 1, which is characterized in that main burning
It is offered in the top sidewall of mouth (1) main oxygen entrance (12), the main oxygen entrance (12) communicates with oxygen channel (5).
6. a kind of high-effective gas burner with fine coal premix distributor according to claim 1 or 5, which is characterized in that
The end gas export direction of oxygen channel (5) and main burner (1) bottom to the angle β between fire end face be 60 °~90 °.
7. a kind of high-effective gas burner with fine coal premix distributor according to claim 1, which is characterized in that main burning
It is set on mouth (1) flange (9), cavity is provided between flange (9) and main burner (1), the cavity is that cooling water heat exchange is logical
Road；Cooling water outlet (11) and cooling water inlet (10) are offered on flange (9), wherein cooling water outlet (11) and cooling water
Entrance (10) and cooling water heat exchanger channels communicate.
8. a kind of high-effective gas burner with fine coal premix distributor according to claim 7, which is characterized in that cooling
Water heat exchanger channels include cooling water intake tunnel (3) and cooling water backwater channel (4), wherein cooling water inlet (10) successively with
Cooling water intake tunnel (3), cooling water backwater channel (4) and cooling water outlet (11) communicate.
9. a kind of application method of the high-effective gas burner with fine coal premix distributor, which is characterized in that be based on claim 1
A kind of high-effective gas burner with fine coal premix distributor, comprising the following steps:
Gasify before furnace igniting, first igniter burner (8) comes into operation, startup burner (7) is then lighted into heating with igniter burner (8) and is risen
Pressure；When reaching coal tossing temperature, coal dust enters coal dust channel (6), and it is equal to carry out circumference by its internal coal dust distributor (14)
Then with the oxygen mix in oxygen channel (5) gasification reaction occurs for even distribution again；
The heat for recycling cooling water and main burner (1) in cooling water heat exchanger channels to generate later carries out heat exchange, with protection
The high-effective gas burner is not burned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910098436.1A CN109575997A (en) | 2019-01-31 | 2019-01-31 | A kind of high-effective gas burner and its application method with fine coal premix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910098436.1A CN109575997A (en) | 2019-01-31 | 2019-01-31 | A kind of high-effective gas burner and its application method with fine coal premix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109575997A true CN109575997A (en) | 2019-04-05 |
Family
ID=65918393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910098436.1A Pending CN109575997A (en) | 2019-01-31 | 2019-01-31 | A kind of high-effective gas burner and its application method with fine coal premix |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109929595A (en) * | 2019-05-05 | 2019-06-25 | 西安沃尔德能动科技有限公司 | A kind of modified coal dust gasification burner |
| CN113512447A (en) * | 2021-04-07 | 2021-10-19 | 北京航化节能环保技术有限公司 | Full-premixing nozzle device, gasification furnace, gasification method and nozzle processing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10110937A (en) * | 1996-10-07 | 1998-04-28 | Mitsubishi Heavy Ind Ltd | Powder particle distributor of coal gasification furnace |
| CN105650630A (en) * | 2014-12-01 | 2016-06-08 | 西安拓沃能动科技有限公司 | Composite type pulverized coal gasification burner |
| CN106433792A (en) * | 2015-08-05 | 2017-02-22 | 神华集团有限责任公司 | Gasification nozzle and gasification reactor |
| CN210001830U (en) * | 2019-01-31 | 2020-01-31 | 中国华能集团清洁能源技术研究院有限公司 | high-efficiency coal gasification burner with pulverized coal premixing function |
-
2019
- 2019-01-31 CN CN201910098436.1A patent/CN109575997A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10110937A (en) * | 1996-10-07 | 1998-04-28 | Mitsubishi Heavy Ind Ltd | Powder particle distributor of coal gasification furnace |
| CN105650630A (en) * | 2014-12-01 | 2016-06-08 | 西安拓沃能动科技有限公司 | Composite type pulverized coal gasification burner |
| CN106433792A (en) * | 2015-08-05 | 2017-02-22 | 神华集团有限责任公司 | Gasification nozzle and gasification reactor |
| CN210001830U (en) * | 2019-01-31 | 2020-01-31 | 中国华能集团清洁能源技术研究院有限公司 | high-efficiency coal gasification burner with pulverized coal premixing function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109929595A (en) * | 2019-05-05 | 2019-06-25 | 西安沃尔德能动科技有限公司 | A kind of modified coal dust gasification burner |
| CN113512447A (en) * | 2021-04-07 | 2021-10-19 | 北京航化节能环保技术有限公司 | Full-premixing nozzle device, gasification furnace, gasification method and nozzle processing method |
| CN113512447B (en) * | 2021-04-07 | 2023-11-10 | 北京航化节能环保技术有限公司 | Full-premix nozzle device, gasifier, gasification method and nozzle processing method |
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