CN209688834U - A kind of low-nitrogen oxide discharging environment protection combustor - Google Patents
A kind of low-nitrogen oxide discharging environment protection combustor Download PDFInfo
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- CN209688834U CN209688834U CN201822144343.1U CN201822144343U CN209688834U CN 209688834 U CN209688834 U CN 209688834U CN 201822144343 U CN201822144343 U CN 201822144343U CN 209688834 U CN209688834 U CN 209688834U
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Abstract
The utility model discloses a kind of low-nitrogen oxide discharging environment protection combustors, it is characterized in that being equipped with cylindric air distribution body, the closing of air distribution body left end, side wall is provided with air general import, right end is equipped with cyclone, cyclone is equipped with interior annular, outer toroid and swirl vane, the air for entering air distribution body is separated into three channels by cyclone, it is primary air channel in interior annular, equipped with level-one fuel gas injection component, including equally distributed multiple level-one gas spray heads annular in shape, it is secondary-air passage between interior annular and outer toroid, it is tertiary air passages between outer toroid and air distribution body sidewall, equipped with second gas burning ejection assemblies, including symmetrically arranged two semiorbicular gas collecting tubes, it which is provided with multiple second gas burning spray heads, air inlet pipe is connected by gas collecting tube with second gas burning spray head, air inlet pipe is equipped with air intake branch and level-one combustion gas Spray head is connected.The utility model environment-friendly high-efficiency can significantly reduce the discharged nitrous oxides of burner.
Description
Technical field
The utility model belongs to technical field of burner, in particular to a kind of low-nitrogen oxide discharging environment protection combustor.
Background technique
Currently, in order to protect environment, Air Pollution prevention and control, country puts into effect the heating furnaces such as boiler, heat-conducting oil furnace, water jacket furnace
More stringent environmental protection standard, proposes lower emission request.Burner as the most important industrial discharge source of heating furnace,
Ultralow discharged nitrous oxides performance is its important performance indicator requirement.Conventional boiler burner, generally using air classification, combustion
The drop nitrogen method of gas classification, but due to being in structure design mostly rough type stage division, not in particular for combustion gas classification
Finely, cause fuel to encounter after air to be mixed and burned rapidly, still can the very strong combustion reaction of formation, cause part compared with
High temperature is conducive to the generation of nitrogen oxides, therefore discharged nitrous oxides value is still within higher level；And currently on the market
Super low NO lower discharged nitrous oxides although may be implemented, but due to its point during realizing fuel staging
Dissipating bind structure, which got fuel, to be dissipated, and part of fuel and air easily occur can not cross, and combustion gas escape phenomenon occur, so as to cause cigarette
CO discharge is exceeded in gas.
Utility model content
The purpose of this utility model is in view of the above technical problems, to provide a kind of low-nitrogen oxide discharging environment-friendly type burning
Device can both make combustion gas be fully burned, while significantly reducing the row of nitrogen oxides by refining combustion gas hierarchical structure
It puts.
The purpose of this utility model is achieved through the following technical solutions:
A kind of low-nitrogen oxide discharging environment protection combustor, it is characterised in that: including air distribution body, cyclone, level-one combustion gas
Ejection assemblies, second gas burning ejection assemblies, the air distribution body is horizontally disposed hollow cylinder, left end is closed, is opened on side wall
There is the air general import of rectangle, air distribution body right end is equipped with the cyclone, which is equipped with interior annular and outer toroid, described interior
Radial equally distributed swirl vane is equipped between annulus and outer toroid, the air for entering air distribution body is separated by cyclone
Three channels, it is secondary-air passage, outer toroid and air distribution between interior annular and outer toroid that interior interior annular, which is primary air channel,
It is tertiary air passages between body sidewall, the level-one fuel gas injection component, level-one combustion is equipped in the primary air channel
Gas jet component includes equally distributed multiple level-one gas spray heads annular in shape, is equipped with the second level in the tertiary air passages
Fuel gas injection component, the second gas burning ejection assemblies include symmetrically arranged two semiorbicular gas collecting tubes, gas collecting tube right side
Wall is threadedly coupled multiple second gas burning spray heads, and the air inlet pipe of two horizontal directions is additionally provided in the air distribution body, and the air inlet pipe is left
End is stretched out on the left of air distribution body to be connected with fuel gas source, and right end is connected with gas collecting tube to be sprayed for sending combustion gas to second gas burning
Head is additionally provided with the air intake branch being connected with the level-one gas spray head in air inlet pipe for sending combustion gas to level-one gas injection
Head is additionally provided with burning torch the lighting for combustion gas of horizontal direction tubulose in the primary air channel.
The additional project that the utility model further improves and implements is:
The level-one gas spray head is hollow cylinder, and side wall is provided with translot, the injection direction of level-one gas spray head and institute
The axial direction for stating air distribution body is sprayed outward in 90 degree of angles, and the quantity of level-one gas spray head is 3 to 4.
The second gas burning spray head is second gas burning T shape spray head or second gas burning tubular spray head, the second gas burning T shape spray
Head is by hollow horizontal direction cylindrical body and vertical direction cylindrical body is T-shaped connects and composes, horizontal direction cylindrical body both ends
It closes, the equal two rows of circular holes of spacing is provided on the outer wall of side, two rows of circular holes are dislocatedly distributed up and down, the vertical direction cylindrical body
Lower part is equipped with screw thread for connecting the gas collecting tube, and the axial direction of the injection direction and the air distribution body of second gas burning T shape spray head is in
90 degree of angles spray outward, and the second gas burning tubular spray head is hollow cylinder, be provided in upper portion side wall spacing it is equal two
Circular hole is arranged, two rows of circular holes are dislocatedly distributed up and down, and second gas burning tubular spray head lower part is equipped with screw thread for connecting the gas collecting tube, and two
The injection direction of grade combustion gas tubular spray head is sprayed with the axial direction of the air distribution body in 90 degree of angles outward.
The second gas burning tubular spray head and the second gas burning T shape spray head are alternately disposed on the gas collecting tube, each
The sum of quantity of the second gas burning tubular spray head and second gas burning T shape spray head that are arranged on gas collecting tube is 10 to 30.
When the utility model is run, after high-pressure gas enters air distribution body by two air inlet pipe, air intake branch is distributed
20% gas quantity enters level-one fuel gas injection component, sprays from level-one gas spray head, remaining 80% gas quantity passes through air inlet pipe
It is sprayed into gas collecting tube and from second gas burning spray head.After air enters air distribution body from total air inlet, it is divided by cyclone
Three channels, primary air channel are direct current wind in the bosom of air distribution body, and level-one gas spray head sprays combustion gas outward, sprays
Direction is mutually perpendicular to direct current wind direction；Secondary-air passage passes through swirl vane between the interior annular and outer toroid of cyclone
Whirl deposite tank is formed, the level-one combustion gas that Whirl deposite tank gushes out with level-one gas spray head is premixed, diffuses to surrounding, play undertaking one
The effect of secondary direct current air and three times direct current air；Tertiary air passages are direct current wind, second gas burning T in the periphery of cyclone
Shape spray head and second gas burning tubular spray head injection direction send combustion space for combustion gas and air perpendicular to air injection direction
Outer end uniformly mixed, so that mixing flow field distribution is more tended to disperse uniform, burning avoided excessively to concentrate, will not generate obvious
Temperature peak, to inhibit the formation of nitrogen oxides.
The utility model has the following beneficial effects:
A kind of low-nitrogen oxide discharging environment protection combustor provided by the utility model, has refined conventional burners combustion gas
Fuel gas injection component is divided into inner ring and outer rings two-stage by hierarchical structure, make combustion gas more tended in entire distribution field it is uniform more
It dissipates, using fuel gas injection direction and the orthogonal design of air emission direction, realizes the burning of disperse formula, can effectively avoid in fire
Flame center has combustion gas to mix with air to form localized hyperthermia, to substantially reduce the discharge of nitrogen oxides, and improves conventional low
Nitrogen burner CO discharges high problem；In such a way that different spray heads distribute alternately, the principle of bias combustion is introduced, is able to suppress
The generation of nitrogen oxides has environmentally friendly, efficient spy so that the disposal of pollutants that burner generates is significantly less than requirements of the national standard
Point.
Detailed description of the invention
Fig. 1 is the utility model fragmentary perspective cross sectional view.
Fig. 2 is the utility model section structural schematic diagram.
Fig. 3 is the utility model structure right view.
Fig. 4 is the utility model level-one gas spray head structural schematic diagram.
Fig. 5 is the utility model second gas burning T shape nozzle structure schematic diagram.
Fig. 6 is the utility model second gas burning tubular nozzle structure schematic diagram.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples:
A kind of low-nitrogen oxide discharging environment protection combustor, including air distribution body 1, cyclone 2, level-one fuel gas injection component,
Second gas burning ejection assemblies, air distribution body 1 is horizontally disposed hollow cylinder, left end is closed, the air of rectangle is provided on side wall
Thus general import 5, air enter air distribution body 1,1 right end of air distribution body is equipped with cyclone 2, which is equipped with interior annular 9 and outer circle
Ring 10, is equipped with radial equally distributed swirl vane 11 between interior annular 9 and outer toroid 10, cyclone 2 will enter air distribution
The air of body 1 is separated into three channels, is primary air channel 14 in interior annular 9, is direct current wind in the primary air channel, interior
It is secondary-air passage 15 between annulus 9 and outer toroid 10, is Whirl deposite tank, outer toroid 10 and air distribution body in the secondary-air passage
It is tertiary air passages 16 between 1 side wall, is direct current wind in the tertiary air passages, is equipped with level-one in primary air channel 14 and fires
Gas jet component, the level-one fuel gas injection component include equally distributed multiple level-one gas spray heads 6 annular in shape, in embodiment
Provided with 4 level-one gas spray heads, second gas burning ejection assemblies, the second gas burning ejection assemblies are equipped in tertiary air passages 16
Including symmetrically arranged two semiorbicular gas collecting tubes 7, the multiple second gas burning spray heads of 7 right side wall of gas collecting tube threaded connection, two
A semi-circular gas collecting tube 7 and thereon equally distributed second gas burning spray head collectively form the second gas burning ejection assemblies of annular, match
The air inlet pipe 3 of two horizontal directions is additionally provided in wind body 1, which stretches out on the left of air distribution body 1 is connected with fuel gas source
It connects, right end is connected with gas collecting tube 7, and two air inlet pipe 3 are connected with two semi-circular gas collecting tubes 7 respectively, for sending combustion gas
To second gas burning spray head, it is additionally provided with the air intake branch 8 being connected with the level-one gas spray head 6 in air inlet pipe 3 and is used for combustion gas
It send to level-one gas spray head 6, the lighting for combustion gas of burning torch 4 of horizontal direction tubulose is additionally provided in primary air channel 14.
Level-one gas spray head 6 is hollow cylinder, and side wall is provided with injection of the translot for level-one combustion gas, level-one gas spray head
The axial direction of 6 injection direction and air distribution body 1 is sprayed outward in 90 degree of angles, i.e., the injection direction of level-one combustion gas is perpendicular to primary sky
The injection direction of direct current air in gas channel 14.
There are two types of second gas burning spray heads, second gas burning T shape spray head 12 or second gas burning tubular spray head 13, second gas burning T shape
Spray head 12 is by hollow horizontal direction cylindrical body and vertical direction cylindrical body is T-shaped connects and composes, horizontal direction cylindrical body both ends
It closes, the equal two rows of circular holes of spacing is provided on the outer wall of side, two rows of circular holes are dislocatedly distributed up and down, vertical direction cylindrical body lower part
Equipped with screw thread for connecting the gas collecting tube 7, the axial direction of the injection direction and the air distribution body 1 of second gas burning T shape spray head 12 is in
90 degree of angles spray outward, and second gas burning tubular spray head 13 is hollow cylinder, are provided with the equal two rows of spacing in upper portion side wall
Circular hole, two rows of circular holes are dislocatedly distributed up and down, and second gas burning tubular spray head lower part is equipped with screw thread for connecting the gas collecting tube 7, and two
The injection direction of grade combustion gas tubular spray head is sprayed with the axial direction of the air distribution body 1 in 90 degree of angles outward, i.e. the spray of second gas burning
Direction is penetrated perpendicular to the injection direction of the direct current air in tertiary air passages 16.
In embodiment, second gas burning ejection assemblies are in such a way that two different second gas burning spray heads distribute alternately,
Second gas burning tubular spray head 13 and the second gas burning T shape spray head 12 are alternately disposed on the gas collecting tube 7, each gas collecting tube 7
6 second gas burning tubular spray heads of upper setting and 5 second gas burning T shape spray heads introduce the principle of bias combustion with this, realize and inhibit
The purpose of NO_x formation.
The utility model uses high-pressure gas of the pressure greater than 20kPa to be applied as fuel, in actual use
The disposal of pollutants of generation is significantly less than the requirement of national standard, have the characteristics that environmental protection, it is efficient, achieve well application effect
Fruit.
It should be pointed out that several improvement and change can also be made under the premise of not departing from the utility model basic structure,
The technical solution of these similar improvement and change also should be regarded as the protection scope of this patent.
Claims (4)
1. a kind of low-nitrogen oxide discharging environment protection combustor, it is characterised in that: including air distribution body (1), cyclone (2), level-one
Fuel gas injection component, second gas burning ejection assemblies, the air distribution body (1) are horizontally disposed hollow cylinder, left end closing, side
The air general import (5) of rectangle is provided on wall, air distribution body right end is equipped with the cyclone (2), which is equipped with interior annular (9)
With outer toroid (10), radial equally distributed swirl vane (11) is equipped between interior annular and outer toroid, cyclone will be into
The air for entering air distribution body is separated into three channels, is primary air channel (14) in interior annular, is between interior annular and outer toroid
Secondary-air passage (15) is tertiary air passages (16), the primary air channel between outer toroid and air distribution body sidewall
(14) the level-one fuel gas injection component is equipped in, which includes equally distributed multiple level-ones annular in shape
Gas spray head (6), the tertiary air passages (16) are interior to be equipped with the second gas burning ejection assemblies, the second gas burning ejection assemblies
Including symmetrically arranged two semiorbicular gas collecting tubes (7), which is threadedly coupled multiple second gas burning spray heads, institute
The air inlet pipe (3) that two horizontal directions are additionally provided in air distribution body (1) is stated, which stretches out on the left of air distribution body and combustion gas
Source is connected, and right end is connected for sending combustion gas to the second gas burning spray head with gas collecting tube, is additionally provided in air inlet pipe and institute
It states the air intake branch (8) that level-one gas spray head (6) is connected to be used to send combustion gas to level-one gas spray head, the primary air is logical
Burning torch (4) the lighting for combustion gas of horizontal direction tubulose is additionally provided in road (14).
2. a kind of low-nitrogen oxide discharging environment protection combustor according to claim 1, it is characterised in that: the level-one combustion
Gas nozzle (6) is hollow cylinder, and side wall is provided with translot, the axis of the injection direction of level-one gas spray head and the air distribution body (1)
It is sprayed outward in 90 degree of angles, the quantity of level-one gas spray head is 3 to 4.
3. a kind of low-nitrogen oxide discharging environment protection combustor according to claim 2, it is characterised in that: the second level combustion
Gas nozzle is second gas burning T shape spray head (12) or second gas burning tubular spray head (13), and the second gas burning T shape spray head (12) is in
Empty horizontal direction cylindrical body and vertical direction cylindrical body is T-shaped connects and composes, the horizontal direction cylindrical body is closed at both ends, and one
The equal two rows of circular holes of spacing are provided on the outer wall of side, two rows of circular holes are dislocatedly distributed up and down, and vertical direction cylindrical body lower part is set
There is screw thread for connecting the gas collecting tube (7), the injection direction of second gas burning T shape spray head and the axial direction of the air distribution body (1) are in
90 degree of angles spray outward, and the second gas burning tubular spray head (13) is hollow cylinder, and it is equal to be provided with spacing in upper portion side wall
Two rows of circular holes, two rows of circular holes are dislocatedly distributed up and down, and second gas burning tubular spray head lower part is equipped with screw thread for connecting the gas collection
It manages (7), the injection direction of second gas burning tubular spray head and the axial direction of the air distribution body (1) are sprayed outward in 90 degree of angles.
4. a kind of low-nitrogen oxide discharging environment protection combustor according to claim 3, it is characterised in that: the second level combustion
Inflator shape spray head (13) and the second gas burning T shape spray head (12) are alternately disposed on the gas collecting tube (7), on each gas collecting tube
The sum of the second gas burning tubular spray head of setting and the quantity of second gas burning T shape spray head are 10 to 30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822144343.1U CN209688834U (en) | 2018-12-20 | 2018-12-20 | A kind of low-nitrogen oxide discharging environment protection combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822144343.1U CN209688834U (en) | 2018-12-20 | 2018-12-20 | A kind of low-nitrogen oxide discharging environment protection combustor |
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| Publication Number | Publication Date |
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| CN209688834U true CN209688834U (en) | 2019-11-26 |
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| CN201822144343.1U Active CN209688834U (en) | 2018-12-20 | 2018-12-20 | A kind of low-nitrogen oxide discharging environment protection combustor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336512A (en) * | 2020-03-31 | 2020-06-26 | 龙佰四川钛业有限公司 | Design method of natural gas burner and hot blast stove |
| CN112128753A (en) * | 2020-09-27 | 2020-12-25 | 四川泷涛环境工程有限公司 | Low heat value gas burner |
| CN113566194A (en) * | 2021-07-08 | 2021-10-29 | 华侨大学 | Cyclone burner based on multi-nozzle structure |
-
2018
- 2018-12-20 CN CN201822144343.1U patent/CN209688834U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336512A (en) * | 2020-03-31 | 2020-06-26 | 龙佰四川钛业有限公司 | Design method of natural gas burner and hot blast stove |
| CN111336512B (en) * | 2020-03-31 | 2021-09-21 | 龙佰四川钛业有限公司 | Design method of natural gas burner and hot blast stove |
| CN112128753A (en) * | 2020-09-27 | 2020-12-25 | 四川泷涛环境工程有限公司 | Low heat value gas burner |
| CN112128753B (en) * | 2020-09-27 | 2023-08-29 | 四川泷涛环境工程有限公司 | Low heat value gas burner |
| CN113566194A (en) * | 2021-07-08 | 2021-10-29 | 华侨大学 | Cyclone burner based on multi-nozzle structure |
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