CN205535806U - A combustor for CO burns exhaust -heat boiler - Google Patents
A combustor for CO burns exhaust -heat boiler Download PDFInfo
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- CN205535806U CN205535806U CN201620240743.0U CN201620240743U CN205535806U CN 205535806 U CN205535806 U CN 205535806U CN 201620240743 U CN201620240743 U CN 201620240743U CN 205535806 U CN205535806 U CN 205535806U
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- flame
- burner body
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- fuel gas
- tube
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Abstract
The utility model provides a combustor for CO burns exhaust -heat boiler, it relates to a combustor. Current exhaust -heat boiler need supply fuel gas to containing when the CO flue gas burns, because flue gas fuel parameter is undulant, has the problem that the burning security is relatively poor and CO is hard to fire the cinder that contains the CO flue gas. The utility model discloses in the combustor body is linked together through the incineration disposal chamber that prechamber and CO burned among the exhaust -heat boiler, the processing of combustor body top has air inlet, prechamber's top processing has main fuel gas entry, the length direction of the one end edge combustor body of flame sighting tube passes combustor body and prechamber in proper order, the other end of flame sighting tube is in the combustor, and this external and should hold to observing flame hold, the one end intercommunication of fuel trachea has three trouble type branch pipes, the other end of fuel trachea is an ignition fuel gas entry end, a plurality of whirl blades use the flame sighting tube originally internal at the combustor as the even setting in center. The utility model is used for exhaust -heat boiler is last.
Description
Technical field
This utility model 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 catalyst incomplete regen-eration flue gas, this flue gas also has certain calorific value in addition to physical sensible heat, and directly discharge will result in CO harm, wastes heat energy simultaneously.China is current second production of energy state and country of consumption the most in the world.Energy supply sustainable growth, provides important support for socio-economic development.The quick growth of energy-consuming, creates wide development space for world energy sources market, and meanwhile, energy-conserving and environment-protective also become the inexorable trend of current industrial technology development.China's boiler industry is fast-developing, and the development of chemical emission waste heat boiler technology achieves breakthrough progress, creates some catalytic unit waste heat boilers.Require supplementation with fuel gas during containing CO smoke combustion, owing to flue gas fuel parameter fluctuates, be relatively difficult to resolve certainly burning, in terms of combustion safety, and existing burner mostly is conventional fuel, for the regenerated flue gas containing CO, according to, these burners all can not directly use.And existing burner research and development factory is mainly dropped in strength 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 requires supplementation with fuel gas to during containing CO smoke combustion, owing to flue gas fuel parameter fluctuates, have that the combustion safety containing CO flue gas is poor and CO is difficult to the problem that burns, and then propose a kind of burner for CO waste gas of incineration boiler.
This utility model adopts the technical scheme that for solving above-mentioned technical problem:
A kind of burner for CO waste gas of incineration boiler, it includes 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 machined with air intake, the top of described premix chamber is machined with main fuel gas entrance, one end of described flame sighting tube sequentially passes through burner body and premix chamber along the length direction of burner body, the other end of described flame sighting tube is in outside burner body 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 include major joint, igniter fuel trachea, electric igniter connecting tube and igniting air access tube, described igniter fuel trachea, electric igniter connecting tube and igniting air access tube are sequentially communicated on major joint, one end of described igniter fuel trachea, one end of electric igniter connecting tube 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 trachea is igniter fuel gas arrival end, the other end of described electric igniter connecting tube is electric 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 sequentially passes through burner body and premix chamber and arranges near flame sighting tube, multiple swirl vanes are uniformly arranged in burner body centered by flame sighting tube.
This utility model has the advantages that
One, this utility model is horizontal side burning type burner and reasonable in design, the change that machine utilization occurs according to regenerated flue gas, the quantitative change of regenerated flue gas is 10:3, it is considered to when stop and start fortune and accident condition, turndown ratio, burner regulation ratio is designed as 15:1, fully to adapt to the change of regenerated flue gas.Other NM structure and connected mode are identical with detailed description of the invention one or three.Adaptation condition variation ability is strong, and 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 use eddy flow high-temp combustion mode, combustion reference temperature is at 1100～1500 DEG C, the CO component being able to ensure that in fuel gas burns completely, burns offer for CO and ensures.
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 main TV structure profile of the present utility model；
Fig. 2 is the profile in Fig. 1 at A-A；
Fig. 3 is the schematic diagram of annexation between three trouble type arms and fuel gas pipe 5.
Detailed description of the invention
Detailed description of the invention one: combine Fig. 1, Fig. 2 and Fig. 3 illustrates present embodiment, present embodiment includes 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 machined with air intake 3, the top of described premix chamber 2 is machined with main fuel gas entrance 19, one end of described flame sighting tube 4 sequentially passes through burner body 1 and premix chamber 2 along the length direction of burner body 1, the other end of described flame sighting tube 4 is in outside burner body 1 and this end is observation flame end, one end of described fuel gas pipe 5 is communicated with three trouble type arms；
nullDescribed three trouble type arms include major joint 17、Igniter fuel trachea 6、Electric igniter connecting tube 7 and igniting air access tube 8，Described igniter fuel trachea 6、Electric igniter connecting tube 7 and igniting air access tube 8 are sequentially communicated on major joint 17，One end of described igniter fuel trachea 6、One end of electric igniter connecting tube 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 trachea 6 is igniter fuel gas arrival end，The other end of described electric igniter connecting tube 7 is electric 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 sequentially passes through burner body 1 and premix chamber 2 and arranges near flame sighting tube 4，Multiple swirl vanes 16 are uniformly arranged in burner body 1 centered by flame sighting tube 4.In this utility model, main fuel gas entrance 19 is the entrance of regenerated flue gas.
Detailed description of the invention two: combine Fig. 1 and present embodiment is described, burner body 1 described in present embodiment also includes altar lamp air inlet lines 9 and altar lamp fuel inlet pipe 10, described altar lamp air inlet lines 9 is located on burner body 1, and described altar lamp fuel inlet pipe 10 is positioned at outside burner body 1 and is connected with altar lamp air inlet lines 9.
Being provided with altar lamp in this utility model in burner body 1, altar lamp air inlet lines 9 provides air for altar lamp, and altar lamp fuel inlet pipe 10 provides fuel for altar lamp.The caloric value of altar lamp is not less than 0.025MW, fuel gas pressure 0.05-0.25MPa, even if in any condition when main burner stops burning, still supplying to altar lamp, making altar lamp stably burn.Other NM structure and connected mode are identical with detailed description of the invention one.
Detailed description of the invention three: combine Fig. 1 and present embodiment is described, burner body 1 described in present embodiment also includes flame monitoring pipe 11 and the first cooling tube 12, flame monitoring pipe 11 also it is equipped with on described burner body 1, being in the interface end that the one end outside burner body 1 is flame monitor in described flame monitoring pipe 11, described first cooling tube 12 is positioned at outside burner body 1 and it is connected with flame monitoring pipe 11.This utility model is provided with valve on altar lamp air inlet lines 9, flame sighting tube 4 and flame monitoring pipe 11.Other NM structure and connected mode are identical with detailed description of the invention one or two.
Detailed description of the invention four: combine Fig. 1 and present embodiment is described, supplementary fuel gas entrance 13 also it is machined with on flame sighting tube described in present embodiment 4, described supplementary fuel gas entrance 13 is positioned at outside burner body 1 and arranges near observation flame end, and the second cooling tube 14 is positioned at outside burner body 1 and is connected with flame sighting tube 4.Other NM structure and connected mode are identical with detailed description of the invention three.
Detailed description of the invention five: combine Fig. 1 and present embodiment is described, connect on premix chamber 2 described in present embodiment and have secondary for airduct 15, described secondary is inclined on premix chamber 2 for airduct 15, the central axis of main fuel gas entrance 19 axial direction and secondary are α for the angle between the central axis of airduct 15 axial direction, and the span of angle α is 75 ° to 85 °.
In present embodiment, the top vertical of premix chamber 2 is provided with main fuel trachea, and the top mouth of pipe of main fuel trachea is main fuel gas entrance 19, and the central axis of main fuel gas entrance 19 axial direction refers to the central axis of main fuel trachea axial direction.
Present embodiment is passed through igniter fuel by igniter fuel trachea 6 in three trouble type arms, igniting air access tube 8 is passed through igniting air, light a fire through electric igniter connecting tube 7, enter burner body 1 combustion medium by supplementary fuel gas entrance 13 and air intake 3 immediately to burn, the secondary wind that being passed through main fuel gas entrance 19 again provides for airduct 15 with secondary matches, the swirl flame of burner body 1 angle α tangentially entered into and through between itself and secondary confession airduct 15 by main fuel gas entrance 19, 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 amount of main fuel gas entrance 19 and the fluctuation situation of parameter and consider, and are suitably regulated by control system, make burning more abundant.Other NM structure and connected mode are identical with detailed description of the invention one or four.
Detailed description of the invention six: combine Fig. 1 and present embodiment is described, fuel gas pipe 5 described in present embodiment is provided with ion flame detector 18.Other NM structure and connected mode are identical with detailed description of the invention five.
Work process:
Burner body 1 is passed through igniter fuel by the igniter fuel gas arrival end of igniter fuel trachea 6, igniting air access tube 8 is passed through igniting air, connect electric igniter through electric igniter connecting tube 7 to light a fire, supplement fuel gas entrance 13 immediately and air intake 3 enters combustion medium and burns, it is passed through main fuel gas entrance 19 again and is equipped with the secondary wind that secondary is passed through for airduct 15, the swirl flame of burner body 1 is passed through the regenerated flue gas that main fuel gas entrance 19 is passed through, simultaneously between main fuel gas entrance 19 and secondary confession airduct 15 under the restriction of angle α, secondary is passed through secondary wind for airduct 15, form complete swirl flow combustion and enter the burning segment at rear portion.Fuel tolerance and air capacity give sufficient remaining according to the amount of regenerated flue gas and the fluctuation situation of parameter and consider, and are suitably regulated by control system, make burning more abundant.
Claims (6)
- null1. the burner for CO waste gas of incineration boiler，It is characterized in that: it includes 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 machined with air intake (3)，The top of described premix chamber (2) is machined with main fuel gas entrance (19)，One end of described flame sighting tube (4) sequentially passes through burner body (1) and premix chamber (2) along the length direction of burner body (1)，The other end of described flame sighting tube (4) is in burner body (1), and outward and this end is observation flame end，One end of described fuel gas pipe (5) is communicated with three trouble type arms；nullDescribed three trouble type arms include major joint (17)、Igniter fuel trachea (6)、Electric igniter connecting tube (7) and igniting air access tube (8)，Described igniter fuel trachea (6)、Electric igniter connecting tube (7) and igniting air access tube (8) are sequentially communicated on major joint (17)，One end of described igniter fuel trachea (6)、One end of electric igniter connecting tube (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 trachea (6) is igniter fuel gas arrival end，The other end of described electric igniter connecting tube (7) is electric 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) sequentially passes through burner body (1) and premix chamber (2) and arranges near flame sighting tube (4)，Multiple swirl vanes (16) are uniformly arranged in burner body (1) centered by flame sighting tube (4).
- A kind of burner for CO waste gas of incineration boiler the most according to claim 1, it is characterized in that: described burner body (1) also includes altar lamp air inlet lines (9) and altar lamp fuel inlet pipe (10), described altar lamp air inlet lines (9) is located on burner body (1), and described altar lamp fuel inlet pipe (10) is positioned at burner body (1) and outward and is connected with altar lamp air inlet lines (9).
- A kind of burner for CO waste gas of incineration boiler the most according to claim 1 and 2, it is characterized in that: described burner body (1) also includes flame monitoring pipe (11) and the first cooling tube (12), flame monitoring pipe (11) also it is equipped with on described burner body (1), being in burner body (1) interface end that one end is flame monitor outward in described flame monitoring pipe (11), described first cooling tube (12) is positioned at burner body (1), and outward and it is connected with flame monitoring pipe (11).
- A kind of burner for CO waste gas of incineration boiler the most according to claim 3, it is characterized in that: on described flame sighting tube (4), be also machined with supplementary fuel gas entrance (13), described supplementary fuel gas entrance (13) is positioned at burner body (1) and outward and arranges near observation flame end, and the second cooling tube (14) is positioned at burner body (1) and outward and is connected with flame sighting tube (4).
- 5. according to a kind of burner for CO waste gas of incineration boiler described in claim 1 or 4, it is characterized in that: the upper connection of described premix chamber (2) has secondary for airduct (15), described secondary is inclined on premix chamber (2) for airduct (15), the central axis of main fuel gas entrance (19) axial direction and secondary are α for the angle between the central axis of airduct (15) axial direction, and the span of angle α is 75 ° to 85 °.
- A kind of burner for CO waste gas of incineration boiler the most according to claim 1, it is characterised in that: it is provided with ion flame detector (18) on described fuel gas pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620240743.0U CN205535806U (en) | 2016-03-25 | 2016-03-25 | A combustor for CO burns exhaust -heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620240743.0U CN205535806U (en) | 2016-03-25 | 2016-03-25 | A combustor for CO burns exhaust -heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205535806U true CN205535806U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620240743.0U Expired - Fee Related CN205535806U (en) | 2016-03-25 | 2016-03-25 | A combustor for CO burns exhaust -heat boiler |
Country Status (1)
| Country | Link |
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| CN (1) | CN205535806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674267A (en) * | 2016-03-25 | 2016-06-15 | 哈尔滨哈锅锅炉工程技术有限公司 | Burner for CO burning waste heat boiler |
-
2016
- 2016-03-25 CN CN201620240743.0U patent/CN205535806U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674267A (en) * | 2016-03-25 | 2016-06-15 | 哈尔滨哈锅锅炉工程技术有限公司 | Burner for CO burning waste heat boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |