CN204388043U - A kind of coke powder burner - Google Patents
A kind of coke powder burner Download PDFInfo
- Publication number
- CN204388043U CN204388043U CN201420772258.9U CN201420772258U CN204388043U CN 204388043 U CN204388043 U CN 204388043U CN 201420772258 U CN201420772258 U CN 201420772258U CN 204388043 U CN204388043 U CN 204388043U
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- CN
- China
- Prior art keywords
- coke powder
- burner
- carbon dioxide
- entrance
- outlet
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Abstract
The utility model relates to a kind of coke powder burner, comprises burner, coke powder storehouse, coke powder injector, carbon dioxide pressurization machine and oxygen pressing machine.Burner is provided with molten slag bath, many bends and high/low temperature gas mixing zone.The sidewall of high/low temperature gas mixing zone is provided with low-temperature carbon dioxide entrance, and top is provided with hot gas injection jets.The sidewall of molten slag bath is provided with coke powder burner, and the side of bottom is provided with slag-drip opening, and slag-drip opening is connected with melt cinder receiver.Carbon dioxide pressurization machine entrance is connected with carbon dioxide pipeline, and outlet is connected with coke powder injector, low-temperature carbon dioxide entrance and gas mixer respectively.Oxygen pressing machine entrance is connected with oxygen pipeline, and outlet is connected to gas mixer, and gas mixer is connected to coke powder burner.Coke powder storehouse is connected to coke powder injector, and the outlet of coke powder injector is connected to coke powder burner.The utility model effectively suppresses combustion process discharged nitrous oxides, by the dedusting of many bends cleaning equipment high efficiency liquid, realizes the clean utilization of coke powder.
Description
Technical field
The utility model belongs to solid fuel ignition equipment and utilizes technical field, relates to a kind of coke powder burner.
Background technology
Utilize in process at coal, completely cut off air heat by high temperature, first extract and be rich in CH
4, H
2with the gas componant such as CO, remaining is the coke that volatile matter content is very low, realizes coal grading and utilizes.Coke due to volatile matter content very low, thus in transport use procedure, explosion danger is lower, is a kind of safer fuel, but simultaneously coke powder exists nonflammable shortcoming.Adopt new-type coke powder burner can realize the clean utilization of coke, while making full use of the coke energy, burden can not be caused to atmospheric environment.
Authorization Notice No. is that the Chinese invention patent of CN101865463A discloses a kind of petroleum coke power combustor, comprise the feed pipe of arranged in co-axial alignment successively, First air turbine, Secondary Air turbine, combustion barrel, petroleum coke powder inspissator is provided with in described First air passage, combustion barrel overcoat has secondary air channel, secondary air channel is connected with Secondary Air turbine, petroleum coke powder inspissator respectively with dense petroleum coke powder passage, light petroleum coke powder channel connection, dense petroleum coke powder passage and light petroleum coke powder passage respectively with first-stage firing chamber, secondary combustion chamber is communicated with, first-stage firing chamber communicates with described secondary combustion chamber, secondary combustion chamber and described secondary air channel connect to burner hearth.But the burning that this patent is not suitable for coke powder utilizes.
Utility model content
The purpose of this utility model is to provide a kind of coke powder burner, to make full use of coke resource, provides clean thermal source.
The technical solution of the utility model is: coke powder burner comprises burner, coke powder storehouse, coke powder injector, carbon dioxide pressurization machine and oxygen pressing machine.Burner is provided with molten slag bath, many bends and high/low temperature gas mixing zone.Many bends are positioned at the middle part of burner, and molten slag bath is positioned at the bottom of many bends, and high/low temperature gas mixing zone is positioned at the top of many bends.The sidewall of high/low temperature gas mixing zone is provided with low-temperature carbon dioxide entrance, and top is provided with hot gas injection jets.The sidewall of molten slag bath is provided with coke powder burner, and the side of bottom is provided with slag-drip opening, and slag-drip opening is connected with melt cinder receiver.Carbon dioxide pressurization machine entrance is connected with carbon dioxide pipeline, and outlet is connected with the injection air entrance of coke powder injector, low-temperature carbon dioxide entrance and gas mixer respectively.Oxygen pressing machine entrance is connected with oxygen pipeline, and outlet is connected to gas mixer, and gas mixer is connected to coke powder burner.Coke powder storehouse is connected to coke powder injector, and the outlet of coke powder injector is connected to coke powder burner.
The center of coke powder burner is provided with igniter, and igniter is plasma igniter.Many bends are provided with plasma gun or clean fuel burner.The outlet of carbon dioxide pressurization machine is provided with valve with the connecting line of coke powder injector injection air entrance, low-temperature carbon dioxide entrance and gas mixer, and the connecting line of oxygen pressing machine and gas mixer is provided with valve.Coke powder adopts suitable particle size and hardness, adds CaO or CaCO in fuel
3powder, addition is depending on sulfur content in coke powder.
The utility model coke powder burner adopts O
2and CO
2the combustion adjuvant that mist burns as coke powder, can effectively suppress combustion process discharged nitrous oxides, in coke powder fuel, add CaO or CaCO
3powder can control SO
2discharge, then by the high efficiency liquid dedusting of many bends purifier, make tail gas dust concentration of emission be less than 1mg/m
3, PM2.5 reaches 1 ~ 10 μ g/m
3, realize the clean utilization of coke powder.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the utility model coke powder burner.
Wherein:
1-hot gas injection jets, 2-high/low temperature gas mixing zone, 3-plasma gun, 4-slag-drip opening, 5-melt cinder receiver, 6-low-temperature carbon dioxide entrance, 7-many bends, 8-coke powder storehouse, 9-plasma igniter, 10-coke powder burner, 11-carbon dioxide pressurization machine, 12-oxygen pressing machine, 13-molten slag bath, 14-burner, 15-coke powder injector, 16-valve, 17-gas mixer.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in detail.The utility model protection domain is not limited to embodiment, and those skilled in the art make the scope that any change also belongs to the utility model protection in the scope that claim limits.
As shown in Figure 1, device comprises burner 14, coke powder storehouse 8, coke powder injector 15, gas mixer 17, carbon dioxide pressurization machine 11 and oxygen pressing machine 12 to the utility model coke powder burner.Burner is provided with molten slag bath 13, many bends 7 and high/low temperature gas mixing zone 2, and many bends are positioned at the middle part of burner, and molten slag bath is positioned at the bottom of many bends, and high/low temperature gas mixing zone is positioned at the top of many bends.The sidewall of high/low temperature gas mixing zone is provided with low-temperature carbon dioxide entrance 6, and top is provided with hot gas injection jets 1.The sidewall of molten slag bath is provided with coke powder burner, and the side of bottom is provided with slag-drip opening 4, and slag-drip opening is connected with melt cinder receiver 5.The center of coke powder burner is provided with plasma igniter 9.Carbon dioxide pressurization machine entrance is connected with carbon dioxide pipeline, and outlet is connected with the injection air entrance of coke powder injector, low-temperature carbon dioxide entrance and gas mixer respectively.Oxygen pressing machine entrance is connected with oxygen pipeline, and outlet is connected to gas mixer, and gas mixer is connected to coke powder burner.Coke powder storehouse is connected to coke powder injector, and the outlet of coke powder injector is connected to coke powder burner.Many bends 7 are provided with plasma gun 3.The connecting line that the outlet of carbon dioxide pressurization machine and coke powder injector injection air entrance, low-temperature carbon dioxide entrance and oxygen pressing machine export is provided with valve 16, and the connecting line of described oxygen pressing machine and coke powder burner is provided with valve.
The course of work of the utility model coke powder burner is, from the CO that carbon dioxide pipeline comes
2gas, after carbon dioxide pressurization machine 11 pressurizes, a road is as the conveying gas of coke powder, drives the coke powder in coke powder storehouse to spray from coke powder burner by coke powder injector 15.From the O that oxygen pipeline comes
2with the second road CO after oxygen pressing machine 12 pressurizes
2gas and vapor permeation as the combustion air of coke powder burner, O
2with CO
2ratio is adjustable from 100 ~ 0:0 ~ 100, and the plasma igniter at coke powder burner center is used for creating hot environment when starting and lights coke powder, after coke powder flameholding, close plasma igniter.The ignition temperature of coke powder burner reaches more than 1500 DEG C, most of ash content that burning produces is molten condition, slag-drip opening is flow to along the slope bottom burner, ash content remaining in flue gas is removed clean by the many bend cleaning equipment of the high-temperature flue gas that burning produces through right side, many bends cleaning equipment adopts plasma gun to keep gas temperature higher than 1500 DEG C, ash content in flue gas is made to keep molten condition to be completely removed, melt cinder, along right side wall surface current to slag-drip opening, enters melt cinder receiver from slag-drip opening melt cinder out.Clean high-temperature flue gas after too much bend purifier and the 3rd road CO
2gas and vapor permeation, temperature is reduced to serviceability temperature, sprays utilize from hot gas injection jets 1.
Claims (4)
1. a coke powder burner, it is characterized in that: described device comprises burner (14), coke powder storehouse (8), coke powder injector (15), gas mixer (17), carbon dioxide pressurization machine (11) and oxygen pressing machine (12), described burner is provided with molten slag bath (13), many bends (7) and high/low temperature gas mixing zone (2); Described many bends are positioned at the middle part of burner, and molten slag bath is positioned at the bottom of many bends, and described high/low temperature gas mixing zone is positioned at the top of many bends; The sidewall of described high/low temperature gas mixing zone is provided with low-temperature carbon dioxide entrance (6), and top is provided with hot gas injection jets (1); The sidewall of described molten slag bath is provided with coke powder burner, and the side of bottom is provided with slag-drip opening (4), and slag-drip opening is connected with melt cinder receiver (5); Described carbon dioxide pressurization machine entrance is connected with carbon dioxide pipeline, and outlet is connected with coke powder injector injection air entrance, low-temperature carbon dioxide entrance and gas mixer respectively; Described oxygen pressing machine entrance is connected with oxygen pipeline, and outlet is connected to gas mixer, and gas mixer is connected to coke powder burner; Coke powder storehouse is connected to coke powder injector, and the outlet of coke powder injector is connected to coke powder burner.
2. coke powder burner according to claim 1, is characterized in that: the center of described coke powder burner (10) is provided with plasma igniter (9).
3. coke powder burner according to claim 1, is characterized in that: described many bends (7) are provided with plasma gun (3) or clean fuel burner.
4. coke powder burner according to claim 1, it is characterized in that: described carbon dioxide pressurization machine outlet is provided with valve (16) with the connecting line of coke powder injector injection air entrance, low-temperature carbon dioxide entrance and gas mixer, and the connecting line of described oxygen pressing machine and coke powder burner is provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420772258.9U CN204388043U (en) | 2014-12-10 | 2014-12-10 | A kind of coke powder burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420772258.9U CN204388043U (en) | 2014-12-10 | 2014-12-10 | A kind of coke powder burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204388043U true CN204388043U (en) | 2015-06-10 |
Family
ID=53360758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420772258.9U Active CN204388043U (en) | 2014-12-10 | 2014-12-10 | A kind of coke powder burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204388043U (en) |
-
2014
- 2014-12-10 CN CN201420772258.9U patent/CN204388043U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |