CN105674267A - Burner for CO burning waste heat boiler - Google Patents
Burner for CO burning waste heat boiler Download PDFInfo
- Publication number
- CN105674267A CN105674267A CN201610179524.0A CN201610179524A CN105674267A CN 105674267 A CN105674267 A CN 105674267A CN 201610179524 A CN201610179524 A CN 201610179524A CN 105674267 A CN105674267 A CN 105674267A
- Authority
- CN
- China
- Prior art keywords
- burner
- burner body
- pipe
- flame
- fuel gas
- Prior art date
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
- F23D2900/14002—Special features of gas burners of premix or non premix types, specially adapted for the combustion of low heating value [LHV] gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
Abstract
The invention relates to a burner, in particular to a burner for a CO burning waste heat boiler. When CO-containing smoke is burnt in an existing waste heat boiler, fuel gas needs to be supplemented; as smoke fuel parameters fluctuate, the problems that the burning safety of the CO-containing smoke is poor, and CO is difficult to burn out are solved. A burner body of the burner is communicated with a burning processing cavity in a CO burning waste hear boiler through a pre-mixing cavity, an air inlet is machined in the top of the burner body, and a main fuel gas inlet is machined in the top of the pre-mixing cavity; one end of a flame observation pipe sequentially penetrates the burner body and the pre-mixing cavity in the length direction of the burner body, the other end of the flame observation pipe is located outside the burner body and is the end where a flame can be observed, one end of a fuel gas pipe is communicated with a three-fork type branch pipe, and the other end of the fuel has pipe is the ignition fuel gas inlet end; and a plurality of rotational flow blades are evenly arranged in the burner body with the flame observation pipe as the center. The burner is used on the waste heat boiler.
Description
Technical field
The present invention is specifically related to a kind of burner for CO waste gas of incineration boiler.
Background technology
Usually containing the CO gas of 3%～12% at home in chemical industry catalytic cracking unit in catalyzer incomplete regen-eration flue gas, this kind of flue gas also has certain calorific value except physical sensible heat, and directly discharge will cause CO to endanger, and waste heat energy simultaneously. China is current 2nd potential energy source producing country in the world and consumption state. Power supply continues to increase, for socio-economic development provides important support. The fast growth of energy expenditure, for world energy sources market creates wide development space, meanwhile, energy-conserving and environment-protective also become the inexorable trend of current industrial technology development. China's boiler industry is fast-developing, and chemical emission waste heat boiler technical development achieves breakthrough progress, creates some catalytic unit waste heat boilers. Supplementary fuel gas is needed containing during CO smoke combustion, due to the fluctuation of flue gas fuel parameter, the more difficult solution burning, in combustion safety, and existing burner mostly is the fuel of routine, for the regenerated flue gas containing CO, according to, these burners all can not directly use. And existing burner research and development factory strength is mainly dropped on main flow burner. To this, it is badly in need of developing the burner special can applied with on CO waste gas of incineration boiler.
Summary of the invention
Owing to existing waste heat boiler needs supplementary fuel gas to containing during CO smoke combustion, due to the fluctuation of flue gas fuel parameter, there is the problem that and CO poor containing the combustion safety of CO flue gas is difficult to burn, and then propose a kind of burner for CO waste gas of incineration boiler.
The present invention solves the problems of the technologies described above the technical scheme taked to be:
A kind of burner for CO waste gas of incineration boiler, it comprises burner body, premix chamber, flame sighting tube, fuel gas pipe, three trouble type arm and multiple swirl vanes, described burner body is connected with the burning disposal chamber in CO waste gas of incineration boiler by premix chamber, described burner body top is processed with gas inlet, the top of described premix chamber is processed with main fuel gas entrance, burner body and premix chamber are passed successively along the length direction of burner body in one end of described flame sighting tube, the other end of described flame sighting tube is in that burner body is outer and this end is observation flame end, one end of described fuel gas pipe is communicated with three trouble type arms,
Described three trouble type arms comprise major joint, igniter fuel tracheae, electrical igniter pipe connecting and igniting air access tube, described igniter fuel tracheae, electrical igniter pipe connecting is connected on major joint successively with igniting air access tube, one end of described igniter fuel tracheae, one end of electrical igniter pipe connecting is all connected with fuel gas pipe by major joint with one end of igniting air access tube, the other end of described igniter fuel tracheae is igniter fuel gas inlet end, the other end of described electrical igniter pipe connecting is electrical igniter interface end, the other end of described igniting air access tube is igniting air inlet end, the other end of described fuel gas pipe passes burner body and premix chamber and close flame sighting tube successively and arranges, multiple swirl vane is evenly arranged in burner body centered by flame sighting tube.
The present invention has following useful effect:
One, the present invention is horizontal side burning type burner and reasonable in design, the change of the generation machine utilization according to regenerated flue gas, the quantitative change of regenerated flue gas is 10:3, it is contemplated that when stop and start fortune and accidental state, turn down ratio is designed to 15:1, fully to adapt to the change of regenerated flue gas. Other structure do not mentioned and mode of connection are identical with embodiment one or three. Adapting to power condition changing ability strong, amount, parameter fluctuation for fuel gas can well adapt to, and meet the demand of working conditions change simultaneously.
Two, by being equipped with between premix chamber and multiple swirl vane, can overheavy firing, combustion system adopt eddy flow high-temp combustion mode, combustion reference temperature is at 1100～1500 DEG C, the CO component can guaranteed in fuel gas burns completely, gives security for CO burns.
Three, this burner structure is simple, easy to operate, compared with other burner, it is possible to save the manufacturing cost of 40% to 50%.
Accompanying drawing explanation
Fig. 1 is the main TV structure sectional view of the present invention;
Fig. 2 is the sectional view at A-A place in Fig. 1;
Fig. 3 is the schematic diagram being connected relation between three trouble type arms and fuel gas pipe 5.
Embodiment
Embodiment one: composition graphs 1, Fig. 2 and Fig. 3 illustrates present embodiment, present embodiment comprises burner body 1, premix chamber 2, flame sighting tube 4, fuel gas pipe 5, three trouble type arm and multiple swirl vanes 16, described burner body 1 is connected with the burning disposal chamber in CO waste gas of incineration boiler by premix chamber 2, described burner body 1 top is processed with gas inlet 3, the top of described premix chamber 2 is processed with main fuel gas entrance 19, burner body 1 and premix chamber 2 are passed successively along the length direction of burner body 1 in one end of described flame sighting tube 4, the other end of described flame sighting tube 4 is in that burner body 1 is outer and this end is observation flame end, one end of described fuel gas pipe 5 is communicated with three trouble type arms,
Described three trouble type arms comprise major joint 17, igniter fuel tracheae 6, electrical igniter pipe connecting 7 and igniting air access tube 8, described igniter fuel tracheae 6, electrical igniter pipe connecting 7 is connected on major joint 17 with igniting air access tube 8 successively, one end of described igniter fuel tracheae 6, one end of electrical igniter pipe connecting 7 is all connected with fuel gas pipe 5 by major joint 17 with one end of igniting air access tube 8, the other end of described igniter fuel tracheae 6 is igniter fuel gas inlet end, the other end of described electrical igniter pipe connecting 7 is electrical igniter interface end, the other end of described igniting air access tube 8 is igniting air inlet end, the other end of described fuel gas pipe 5 passes burner body 1 and premix chamber 2 and close flame sighting tube 4 successively and arranges, multiple swirl vane 16 is evenly arranged in burner body 1 centered by flame sighting tube 4. in the present invention, main fuel gas entrance 19 is the entrance of regenerated flue gas.
Embodiment two: composition graphs 1 illustrates present embodiment, burner 1 described in present embodiment also comprises pilot burner air inlet pipe 9 and pilot burner fuel inlet pipe 10, described pilot burner air inlet pipe 9 is located on burner body 1, and described pilot burner fuel inlet pipe 10 is positioned at burner body 1 and outward and is connected with pilot burner air inlet pipe 9.
Being provided with pilot burner in burner 1 in the present invention, pilot burner air inlet pipe 9 is pilot burner offer air, and pilot burner fuel inlet pipe 10 is pilot burner offer fuel.The thermal value of pilot burner is not less than 0.025MW, fuel gas pressure 0.05-0.25MPa, even if under any condition when main burner stops burning, still to pilot burner air feed, making pilot burner stable burning. Other structure do not mentioned and mode of connection are identical with embodiment one.
Embodiment three: composition graphs 1 illustrates present embodiment, burner 1 described in present embodiment also comprises flame monitoring pipe 11 and the first cooling tube 12, described burner body 1 is also equipped with flame monitoring pipe 11, the one end being in outside burner body 1 in described flame monitoring pipe 11 is the interface end of flame monitor, described first cooling tube 12 be positioned at burner body 1 outer and its be connected with flame monitoring pipe 11. The present invention is provided with valve on pilot burner air inlet pipe 9, flame sighting tube 4 and flame monitoring pipe 11. Other structure do not mentioned and mode of connection are identical with embodiment one or two.
Embodiment four: composition graphs 1 illustrates present embodiment, the sighting tube of flame described in present embodiment 4 is also processed with supplementary fuel gas entrance 13, it is outer and arrange near observation flame end that described supplementary fuel gas entrance 13 is positioned at burner body 1, and it is outer and be connected with flame sighting tube 4 that described 2nd cooling tube 14 is positioned at burner body 1. Other structure do not mentioned and mode of connection are identical with embodiment three.
Embodiment five: composition graphs 1 illustrates present embodiment, premix chamber 2 described in present embodiment is connected with two times for airduct 15, it is inclined on premix chamber 2 for airduct 15 described two times, angle between the center axis of main fuel gas entrance 19 axial direction due and the center axis supplying airduct 15 axial direction due for two times is α, and the span of angle α is 75 ° to 85 °.
In present embodiment, the top of premix chamber 2 is vertically provided with main fuel tracheae, and the top mouth of pipe of main fuel tracheae is main fuel gas entrance 19, and the center axis of main fuel gas entrance 19 axial direction due is exactly the center axis referring to main fuel tracheae axial direction due.
Present embodiment is led to into igniter fuel by igniter fuel tracheae 6 in three trouble type arms, igniting air access tube 8 leads to into igniting air, light a fire through electrical igniter pipe connecting 7, enter burner body 1 combustion medium by supplementary fuel gas entrance 13 and gas inlet 3 immediately to burn, the secondary air that logical main fuel gas entrance 19 provides for airduct 15 with two times again matches, the swirl flame of burner body 1 by main fuel gas entrance 19 tangentially enter and by itself and two times for the angle α between airducts 15, formed in the burning disposal chamber that complete swirl flow combustion enters rear portion. fuel tolerance and air capacity give sufficient remaining according to the fluctuation situation of the amount of main fuel gas entrance 19 and parameter and consider, and are suitably regulated by Controlling System, make burning more abundant. other structure do not mentioned and mode of connection are identical with embodiment one or four.
Embodiment six: composition graphs 1 illustrates present embodiment, fuel gas pipe 5 described in present embodiment is provided with ion flame detector 18. Other structure do not mentioned and mode of connection are identical with embodiment five.
The present invention is divided in burner body 1 ante-chamber and rear chamber, ante-chamber be pilot burner air inlet pipe 9, flame sighting tube 4 and fuel gas pipe 5 through chamber, it is provided with blade in rear chamber and connects block, blade connection block is processed with multiple ventilation opening, for being connected with ante-chamber, pilot burner air inlet pipe 9, flame sighting tube 4 and fuel gas pipe 5 all connect block through blade, and multiple swirl vane 16 is evenly arranged on blade and connects on block.
Working process:
Burner body 1 leads to into igniter fuel by the igniter fuel gas inlet end of igniter fuel tracheae 6, igniting air access tube 8 lead to into igniting air, connect electrical igniter through electrical igniter pipe connecting 7 to light a fire, supplement fuel gas entrance 13 and gas inlet 3 immediately to enter combustion medium and burn, again logical main fuel gas entrance 19 and be equipped with two times for airduct 15 lead to into secondary air, in the swirl flame of burner body 1 logical main fuel gas entrance 19 lead to into regenerated flue gas, simultaneously under restriction for angle α between airducts 15 of main fuel gas entrance 19 and two times, lead to into secondary air for airduct 15 two times, form the burning segment that complete swirl flow combustion enters rear portion. fuel tolerance and air capacity give sufficient remaining according to the fluctuation situation of the amount of regenerated flue gas and parameter and consider, and are suitably regulated by Controlling System, make burning more abundant.
Claims (6)
1. the burner for CO waste gas of incineration boiler, it is characterized in that: it comprises burner body (1), premix chamber (2), flame sighting tube (4), fuel gas pipe (5), three trouble type arms and multiple swirl vane (16), described burner body (1) is connected with the burning disposal chamber in CO waste gas of incineration boiler by premix chamber (2), described burner body (1) top is processed with gas inlet (3), the top of described premix chamber (2) is processed with main fuel gas entrance (19), burner body (1) and premix chamber (2) are passed successively along the length direction of burner body (1) in one end of described flame sighting tube (4), the other end of described flame sighting tube (4) be in burner body (1) outward and this end for observation flame end, one end of described fuel gas pipe (5) is communicated with three trouble type arms,
Described three trouble type arms comprise major joint (17), igniter fuel tracheae (6), electrical igniter pipe connecting (7) and igniting air access tube (8), described igniter fuel tracheae (6), electrical igniter pipe connecting (7) is connected on major joint (17) with igniting air access tube (8) successively, one end of described igniter fuel tracheae (6), one end of electrical igniter pipe connecting (7) is all connected with fuel gas pipe (5) by major joint (17) with one end of igniting air access tube (8), the other end of described igniter fuel tracheae (6) is igniter fuel gas inlet end, the other end of described electrical igniter pipe connecting (7) is electrical igniter interface end, the other end of described igniting air access tube (8) is igniting air inlet end, the other end of described fuel gas pipe (5) passes burner body (1) and premix chamber (2) and close flame sighting tube (4) successively and arranges, multiple swirl vane (16) is evenly arranged in burner body (1) centered by flame sighting tube (4).
2. a kind of burner for CO waste gas of incineration boiler according to claim 1, it is characterized in that: described burner (1) also comprises pilot burner air inlet pipe (9) and pilot burner fuel inlet pipe (10), described pilot burner air inlet pipe (9) is located on burner body (1), and described pilot burner fuel inlet pipe (10) is positioned at burner body (1) and is connected outward and with pilot burner air inlet pipe (9).
3. a kind of burner for CO waste gas of incineration boiler according to claim 1 and 2, it is characterized in that: described burner (1) also comprises flame monitoring pipe (11) and the first cooling tube (12), described burner body (1) is also equipped with flame monitoring pipe (11), being in the outer one end of burner body (1) in described flame monitoring pipe (11) is the interface end of flame monitor, described first cooling tube (12) be positioned at burner body (1) outward and its be connected with flame monitoring pipe (11).
4. a kind of burner for CO waste gas of incineration boiler according to claim 3, it is characterized in that: described flame sighting tube (4) is also processed with supplementary fuel gas entrance (13), described supplementary fuel gas entrance (13) is positioned at burner body (1) and arranges outward and near observation flame end, and described 2nd cooling tube (14) is positioned at burner body (1) and is connected outward and with flame sighting tube (4).
5. a kind of burner for CO waste gas of incineration boiler according to claim 1 or 4, it is characterized in that: described premix chamber (2) is connected with two times for airduct (15), it is inclined on premix chamber (2) for airduct (15) described two times, angle between the center axis of main fuel gas entrance (19) axial direction due and the center axis supplying airduct (15) axial direction due for two times is α, and the span of angle α is 75 ° to 85 °.
6. a kind of burner for CO waste gas of incineration boiler according to claim 1, it is characterised in that: described fuel gas pipe (5) is provided with ion flame detector (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179524.0A CN105674267A (en) | 2016-03-25 | 2016-03-25 | Burner for CO burning waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179524.0A CN105674267A (en) | 2016-03-25 | 2016-03-25 | Burner for CO burning waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105674267A true CN105674267A (en) | 2016-06-15 |
Family
ID=56224165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610179524.0A Pending CN105674267A (en) | 2016-03-25 | 2016-03-25 | Burner for CO burning waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105674267A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425852A (en) * | 2019-01-10 | 2020-07-17 | 宝山钢铁股份有限公司 | Multi-fuel positive pressure boiler burner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1193443B1 (en) * | 2000-10-02 | 2006-11-15 | Ebara Corporation | Combustion type waste gas treatment system |
| CN201050790Y (en) * | 2007-06-19 | 2008-04-23 | 洛阳瑞昌石油化工设备有限公司 | Sulfur reclaimer tail gas incinerator burner |
| CN201521973U (en) * | 2009-10-23 | 2010-07-07 | 洛阳瑞昌石油化工设备有限公司 | Flue gas waste heat boiler burner of built-in integrated catalytic device |
| CN101929674A (en) * | 2010-08-27 | 2010-12-29 | 西南石油大学 | Burner for main burning furnace of sulfur recovery unit |
| CN102635879A (en) * | 2011-02-11 | 2012-08-15 | 柴文龙 | Gas stove capable of reducing heat radiation loss |
| CN205535806U (en) * | 2016-03-25 | 2016-08-31 | 哈尔滨哈锅锅炉工程技术有限公司 | A combustor for CO burns exhaust -heat boiler |
-
2016
- 2016-03-25 CN CN201610179524.0A patent/CN105674267A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1193443B1 (en) * | 2000-10-02 | 2006-11-15 | Ebara Corporation | Combustion type waste gas treatment system |
| CN201050790Y (en) * | 2007-06-19 | 2008-04-23 | 洛阳瑞昌石油化工设备有限公司 | Sulfur reclaimer tail gas incinerator burner |
| CN201521973U (en) * | 2009-10-23 | 2010-07-07 | 洛阳瑞昌石油化工设备有限公司 | Flue gas waste heat boiler burner of built-in integrated catalytic device |
| CN101929674A (en) * | 2010-08-27 | 2010-12-29 | 西南石油大学 | Burner for main burning furnace of sulfur recovery unit |
| CN102635879A (en) * | 2011-02-11 | 2012-08-15 | 柴文龙 | Gas stove capable of reducing heat radiation loss |
| CN205535806U (en) * | 2016-03-25 | 2016-08-31 | 哈尔滨哈锅锅炉工程技术有限公司 | A combustor for CO burns exhaust -heat boiler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425852A (en) * | 2019-01-10 | 2020-07-17 | 宝山钢铁股份有限公司 | Multi-fuel positive pressure boiler burner |
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Application publication date: 20160615 |
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