CN207527589U - Natural gas low nitrogen burning energy saver and combustion gas induced polarization device - Google Patents
Natural gas low nitrogen burning energy saver and combustion gas induced polarization device Download PDFInfo
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- CN207527589U CN207527589U CN201721003286.4U CN201721003286U CN207527589U CN 207527589 U CN207527589 U CN 207527589U CN 201721003286 U CN201721003286 U CN 201721003286U CN 207527589 U CN207527589 U CN 207527589U
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- gas
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- combustion gas
- induced polarization
- burning
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Abstract
The utility model is related to gas fired-boiler technical field of combustion equipment more particularly to natural gas low nitrogen burning energy savers and combustion gas induced polarization device.Inductor is composed of induction matrix and induction fin, and the induction matrix is sintered by iron oxide and barium carbonate, and induction fin is sintered by iron oxide, rare earth and ferro-boron；Induce connection induction fin on matrix.After combustion gas flows through combustion gas induced polarization device, enhance the dispersion of combustion gas molecule, combustion gas made to be mixed with air with uniform, while enhance combustion gas molecular activity, low oxygen combustion area still can completely burned, fractional energy savings reaches 5~8%；Pass through the Natural Circulation and forced circulation of flue gas, the appropriate concentration for reducing oxygen extends the time of fuel gas buring, so as to reduce the temperature of flame kernel, the generation of nitrogen oxides can effectively be inhibited, fully meet the discharge standard that nitrogen oxides is less than 30 milligrams/cubic metre.
Description
Technical field
The utility model is related to gas fired-boiler technical field of combustion equipment more particularly to natural gas low nitrogen burning energy savers
With combustion gas induced polarization device.
Background technology
Requirement of the recent year to gas fired-boiler discharged nitrous oxides is higher and higher, some regional requirements create gas-fired boiler
The nitrogen oxides that fire grate is put has to be lower than 30 milligrams/cubic metre.And the principal element for influencing flue gas nitrogen oxide production quantity has fire
Flame central temperature, combustion zone oxygen concentration etc., flame kernel temperature is higher, combustion zone oxygen concentration is bigger, the life of nitrogen oxides
It is more into measuring.Therefore, the main path for reducing oxynitrides production quantity seeks to suitably to reduce flame kernel temperature, suitably
Reduce the concentration of combustion zone oxygen.
In existing gas burner, air is to be mixed in combustor exit with natural gas, is burnt
The influence of machine structure and the uneven characteristic of combustion gas molecule itself, combustion gas are mixed with regard to there are non-uniform phenomenons certainly with air, are held
Combustion gas imperfect combustion phenomenon is also easy to produce, causes energy loss.
Invention content
The purpose of invention：In order to provide a kind of better natural gas low nitrogen burning energy saver of effect and combustion gas induced polarization
Device, specific purposes are shown in multiple substantial technological effects of specific implementation part.
In order to reach as above purpose, the present invention adopts the following technical scheme that：
A kind of combustion gas induced polarization device, which is characterized in that combustion gas induced polarization device 6 includes fuel gas inlet 6b, gas outlet
6c, shell 6a and the inductor 6d, the inductor 6d of internal arrangement combined by induction matrix 6d-1 and induction fin 6d-2 and
Into the induction matrix 6d-1 is sintered by iron oxide and barium carbonate, and induction fin 6d-2 is by iron oxide, rare earth and boron
Iron is sintered；Induce connection induction fin on matrix.
The further technical solution of the utility model is that the quantity of the inductor 6d settings is 6~36, the induction
The internal circulation sectional area of matrix 6d-1 and induction fin 6d-2 compositions is 2~4 times of fuel gas inlet 6b actual internal areas, described
The length of inductor 6d is 5~10 times passed through in shell 6a.
Natural gas low nitrogen burning energy saver, which is characterized in that include combustion gas induced polarization device 6, combustion gas induced polarization device 6
Include the inductor 6d of fuel gas inlet 6b, gas outlet 6c, shell 6a and internal arrangement, the inductor 6d is by induction matrix
6d-1 and induction fin 6d-2 are composed, and the induction matrix 6d-1 is sintered by iron oxide and barium carbonate, induces wing
Piece 6d-2 is sintered by iron oxide, rare earth and ferro-boron；Induce connection induction fin on matrix；Combustion gas induced polarization device 6 is pacified
Between gas electromagnetic valve 5 and combustor 2,5 right side of gas electromagnetic valve includes gas control valve 4 and gas filter 3.
The further technical solution of the utility model is that the quantity of the inductor 6d settings is 6~36, the induction
The internal circulation sectional area of matrix 6d-1 and induction fin 6d-2 compositions is 2~4 times of fuel gas inlet 6b actual internal areas, described
The length of inductor 6d is 5~10 times passed through in shell 6a.
The further technical solution of the utility model is that, also comprising burning machine burning nozzle expanding section 9, burn machine burning nozzle expanding section
9 are mounted on the outlet of combustor 2, and burning machine burning nozzle expanding section 9 is directed toward the inside of gas fired-boiler 1.
The further technical solution of the utility model is that, also comprising induced polarization stabilizer 7, induced polarization stabilizer 7 is
It is welded by stainless steel tube, steel flange and stainless steel bend, induction coating is coated on the inner wall of induced polarization stabilizer 7
Layer 7a, induction coating is mixed by epoxy resin and inductor 6d material therefor powder, the thickness of the induction dope layer 7a
It spends for 0.2~0.5mm.
The further technical solution of the utility model is, burning machine burning nozzle expanding section 9 is exported mounted on combustor 2, be by
Silicon nitride, alumina powder hot pressed sintering form, and the shape of the burning machine burning nozzle expanding section 9 is thin-walled truncated cone-shaped, and wall surface is thick
It spends for 5~15mm；Flue gas Natural Circulation mouth 9c is provided on the burning machine burning nozzle expanding section 9, flue gas Natural Circulation mouth 9c's
Shape is ellipse, and oval long axis is 2~2.5 times of short axle, and the gross area of flue gas Natural Circulation mouth 9c goes out for combustor 2
The 10%~15% of mouth actual internal area；Flue gas forced circulation mouth 9b is provided on the burning machine burning nozzle expanding section 9, flue gas is strong
The shape of circulation port 9b processed is ellipse, and oval long axis is 1.2~2 times of short axle, total face of flue gas forced circulation mouth 9b
Product is the 5%~10% of 2 outlet stream sectional area of combustor；The flue gas recirculation blower fan 8 connects boiler back end ductwork and flue gas
Distributor chamber 9a, smoke distributing chamber 9a are fixed on burning machine burning nozzle expanding section 9, cover on the outside of flue gas forced circulation mouth 9b, cigarette
Gas distributor chamber 9a is loop configuration, is welded by heat resisting steel, outer surface covering 50mm thickness refractory materials.
Using the utility model of as above technical solution, had the advantages that relative to the prior art：Combustion gas flows through combustion
After gas induced polarization device, enhance the dispersion of combustion gas molecule, combustion gas is made to be mixed with air with uniform, while enhance combustion gas molecule
Activity, low oxygen combustion area still can completely burned, fractional energy savings reaches 5~8%；It is followed by the Natural Circulation and pressure of flue gas
Ring suitably reduces the concentration of oxygen, extends the time of fuel gas buring, so as to reduce the temperature of flame kernel, Neng Gouyou
Effect inhibits the generation of nitrogen oxides, fully meets the discharge standard that nitrogen oxides is less than 30 milligrams/cubic metre.
Description of the drawings
In order to further illustrate the present invention, it is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the cross-sectional view of the structure of combustion gas induced polarization device.
Fig. 3 is the 1-1 sectional views in Fig. 2.
Fig. 4 is the structure chart of inductor.
Fig. 5 is the 2-2 sectional views of Fig. 4.
Fig. 6 is the structure diagram of induced polarization stabilizer.
Fig. 7 is burning machine burning nozzle expanding section structure diagram.
Wherein：1st, gas fired-boiler, 2, combustor, 3, gas filter, 4, gas control valve, 5, gas electromagnetic valve, 6, combustion
Gas induced polarization device, 6a, combustion gas induced polarization device shell, 6b, fuel gas inlet, 6c gas outlets, 6d, inductor, 6d-1, induction
Matrix, 6d-2 and induction fin, 7, induced polarization stabilizer, 7a, induction dope layer, 8, flue gas recirculation blower fan, 9, burning machine burning
Nozzle expanding section, 9a, smoke distributing chamber, 9b, flue gas forced circulation mouth, 9c, flue gas Natural Circulation mouth.
This attached drawing is the schematic diagram of present apparatus critical piece composition, does not represent the appearance and size, connection side of the utility model
Formula, assembling form, position relationship etc., it is illustrated that section components etc. are omitted.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.It should be noted that make in being described below
Word "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, and word " interior " and " outer " respectively refer to
Be directed towards or the direction far from particular elements geometric centers.
A kind of combustion gas induced polarization device, which is characterized in that combustion gas induced polarization device 6 includes fuel gas inlet 6b, gas outlet
6c, shell 6a and the inductor 6d, the inductor 6d of internal arrangement combined by induction matrix 6d-1 and induction fin 6d-2 and
Into the induction matrix 6d-1 is sintered by iron oxide and barium carbonate, and induction fin 6d-2 is by iron oxide, rare earth and boron
Iron is sintered；Induce connection induction fin on matrix.The technique effect and in fact of essence that the technical solution at this place is played
Existing process is as follows：In combustion gas induced polarization device 6, combustion gas molecule is under the action of inductor, the interparticle gravitation of micel
Balance is broken, and fuel molecule is completely dispersed, while polarized state is presented in fuel molecule, and ordered arrangement and flowing is presented.The knot
Structure makes full use of hydrodynamics and material science, and fuel molecule is enabled to be polarized.
Preferably, the quantity of the inductor 6d settings is 6~36, the induction matrix 6d-1 and induction fin
The internal circulation sectional area of 6d-2 compositions is 2~4 times of fuel gas inlet 6b actual internal areas, and the length of the inductor 6d is outer
5~10 times passed through in shell 6a.
Natural gas low nitrogen burning energy saver, which is characterized in that include combustion gas induced polarization device 6, combustion gas induced polarization device 6
Include the inductor 6d of fuel gas inlet 6b, gas outlet 6c, shell 6a and internal arrangement, the inductor 6d is by induction matrix
6d-1 and induction fin 6d-2 are composed, and the induction matrix 6d-1 is sintered by iron oxide and barium carbonate, induces wing
Piece 6d-2 is sintered by iron oxide, rare earth and ferro-boron；Induce connection induction fin on matrix；Combustion gas induced polarization device 6 is pacified
Between gas electromagnetic valve 5 and combustor 2,5 right side of gas electromagnetic valve includes gas control valve 4 and gas filter 3.
Fig. 1,2,3,4,5,6,7 are the structure charts of natural gas low nitrogen burning energy saver.Including gas fired-boiler 1, combustor
2nd, gas filter 3, gas control valve 4, gas electromagnetic valve 5, combustion gas induced polarization device 6, induced polarization stabilizer 7, flue gas follow
Ring wind turbine 8, burning machine burning nozzle expanding section 9.
Combustion gas induced polarization device 6 includes the inductor 6d of fuel gas inlet 6b, gas outlet 6c, shell 6a and internal arrangement.
Inductor 6d includes induction matrix 6d-1 and induction fin 6d-2.According to the difference of 1 power of combustor, the number of inductor 6d settings
It is 6~36 to measure, and the induction matrix 6d-1 and the internal circulation sectional area for inducing fin 6d-2 compositions are fuel gas inlet 6b streams
2~4 times of logical sectional area, the length of inductor 6d are 5~10 times passed through in shell 6a.Induction matrix 6d-1 be by iron oxide and
Barium carbonate is sintered, and induction fin 6d-2 is sintered by iron oxide, rare earth and ferro-boron.
Induced polarization stabilizer 7 is welded by stainless steel tube, steel flange and stainless steel bend, structural shape root
Need to make according to scene, be coated with induction dope layer 7a on the inner wall of induced polarization stabilizer 7, induction coating be by epoxy resin and
Inductor powder mixes, and the thickness of the induction dope layer 7a is 0.2~0.5mm.
The machine burning nozzle expanding section 9 that burns is mounted on the outlet of burning machine burning nozzle, be by silicon nitride, alumina powder hot pressed sintering and
Into the shape of burning machine burning nozzle expanding section 9 is thin-walled truncated cone-shaped, and wall thickness is 5~15mm.It burns on machine burning nozzle expanding section 9
There is flue gas Natural Circulation mouth 9c, the shape of flue gas Natural Circulation mouth 9c is ellipse, and oval long axis is the 2~2.5 of short axle
Times, the gross area of flue gas Natural Circulation mouth 9c is the 10%~15% of 2 outlet stream sectional area of combustor.Machine burning of burning nozzle extension
There is flue gas forced circulation mouth 9b in section 9, the shape of flue gas forced circulation mouth 9b is ellipse, and oval long axis is short axle
1.2~2 times, the gross area of flue gas forced circulation mouth 9b is the 5%~10% of 2 outlet stream sectional area of combustor.Flue gas recirculation
Wind turbine connects boiler back end ductwork and smoke distributing chamber 9a, smoke distributing chamber 9a are fixed on burning machine burning nozzle expanding section 9, covers on
The outside of flue gas forced circulation mouth 9b, smoke distributing chamber 9a is loop configuration, is welded by heat resisting steel, outer surface covering 50mm
Thick refractory material.
Using above-mentioned technical solution, natural gas is laggard by gas filter 3, gas control valve 4, gas electromagnetic valve 5
Enter combustion gas induced polarization device 6.In combustion gas induced polarization device 6, for combustion gas molecule under the action of inductor, micel is interparticle
Granitational equilibrium is broken, and fuel molecule is completely dispersed, while polarized state is presented in fuel molecule, and ordered arrangement and flowing is presented.
From the combustion gas that combustion gas induced polarization device 6 exports by induced polarization stabilizer 7, combustion gas is made to can continue to before combustor 2 is entered
Maintain polarized state.The fuel molecule of polarized state contacts more abundant with oxygen molecule, and the activation energy for burning required moderately drops
It is low, combustion velocity is made significantly to accelerate, fuel combustion more thoroughly, achieve the purpose that reduce fuel consumption, energy saving.
Using above-mentioned technical solution, natural gas and air catch fire, due to flow velocity very after combustor 2 burning at nozzle
Soon, it low-temperature flue gas can be mixed into flame in injection burner hearth, flame temperature be made suitably to decline, while boiler tail low-temperature flue gas
Under the action of flue gas recirculation blower fan 8, it is ejected into flame by flue gas forced circulation mouth 9b, thus adds the combustion of natural gas time
It is long, flame temperature is reduced, is finally reached the generation for inhibiting nitrogen oxides, the purpose for meeting discharge standard.
In a creative way, each effect is individually present more than, moreover it is possible to the combination of the above results is completed with a nested structure.
It is clear that the technique effect that more than structure is realized is realized, discounting for additional technical solution, this patent title is also
It can be a kind of gas consumption structure.It is not shown in figure part details.
It should be noted that multiple schemes that this patent provides include the basic scheme of itself, independently of each other, not mutually
It restricts, but it can also be combined with each other in the absence of conflict, reach multiple effects and realize jointly.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of this field
Personnel should be recognized that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this hairs
Bright principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variations
It is both fallen in claimed range with improving.
Claims (7)
- A kind of 1. combustion gas induced polarization device, which is characterized in that combustion gas induced polarization device（6）Including fuel gas inlet（6b）, combustion gas goes out Mouthful（6c）, shell（6a）With the inductor of inside arrangement（6d）, the inductor（6d）By induction matrix（6d-1）With induction wing Piece（6d-2）It is composed, the induction matrix（6d-1）It is to be sintered by iron oxide and barium carbonate, induces fin（6d-2） It is to be sintered by iron oxide, rare earth and ferro-boron；Induce connection induction fin on matrix.
- A kind of 2. combustion gas induced polarization device as described in claim 1, which is characterized in that the inductor（6d）The quantity of setting It is 6~36, the induction matrix（6d-1）With induction fin（6d-2）The internal circulation sectional area of composition is fuel gas inlet （6b）2~4 times of actual internal area, the inductor（6d）Length be shell（6a）5~10 times of interior warp.
- 3. natural gas low nitrogen burning energy saver, which is characterized in that energy saver includes combustion gas induced polarization device（6）, combustion gas lures Lead polarizer（6）Including fuel gas inlet（6b）, gas outlet（6c）, shell（6a）With the inductor of inside arrangement（6d）, it is described Inductor（6d）By induction matrix（6d-1）With induction fin（6d-2）It is composed, the induction matrix（6d-1）It is by aoxidizing Iron and barium carbonate are sintered, and induce fin（6d-2）It is to be sintered by iron oxide, rare earth and ferro-boron；It is connected on induction matrix Induce fin；Combustion gas induced polarization device（6）Mounted on gas electromagnetic valve（5）And combustor（2）Between, gas electromagnetic valve（5）It is right Side includes gas control valve（4）And gas filter（3）.
- 4. natural gas low nitrogen burning energy saver as claimed in claim 3, which is characterized in that the inductor（6d）Setting Quantity is 6~36, the induction matrix（6d-1）With induction fin（6d-2）The internal circulation sectional area of composition be combustion gas into Mouthful（6b）2~4 times of actual internal area, the inductor（6d）Length be shell（6a）5~10 times of interior warp.
- 5. natural gas low nitrogen burning energy saver as claimed in claim 3, which is characterized in that also comprising the nozzle extension of burning machine burning Section（9）, burn machine burning nozzle expanding section（9）Mounted on combustor（2）Outlet, burn machine burning nozzle expanding section（9）It is directed toward gas-fired boiler Stove（1）Inside.
- 6. natural gas low nitrogen burning energy saver as claimed in claim 3, which is characterized in that also comprising induced polarization stabilizer （7）, induced polarization stabilizer（7）It is to be welded by stainless steel tube, steel flange and stainless steel bend, induced polarization is stablized Device（7）Inner wall on be coated with induction dope layer（7a）, induction coating is by epoxy resin and inductor（6d）Material therefor powder It mixes, the induction dope layer（7a）Thickness be 0.2~0.5mm.
- 7. natural gas low nitrogen burning energy saver as claimed in claim 5, which is characterized in that burning machine burning nozzle expanding section（9） Mounted on combustor（2）Outlet, is formed by silicon nitride, alumina powder hot pressed sintering, the burning machine burning nozzle expanding section（9） Shape for thin-walled truncated cone-shaped, wall thickness is 5~15mm；The burning machine burning nozzle expanding section（9）On be provided with flue gas nature Circulation port（9c）, flue gas Natural Circulation mouth（9c）Shape be ellipse, oval long axis is 2~2.5 times of short axle, flue gas Natural Circulation mouth（9c）The gross area be combustor（2）The 10%~15% of outlet stream sectional area；The burning machine burning nozzle expands Open up section（9）On be provided with flue gas forced circulation mouth（9b）, flue gas forced circulation mouth（9b）Shape be ellipse, oval length Axis is 1.2~2 times of short axle, flue gas forced circulation mouth（9b）The gross area be combustor（2）The 5% of outlet stream sectional area~ 10%；Flue gas recirculation blower fan（8）Connect boiler back end ductwork and smoke distributing chamber（9a）, smoke distributing chamber（9a）It is fixed on burning Machine burning nozzle expanding section（9）On, cover on flue gas forced circulation mouth（9b）Outside, smoke distributing chamber（9a）It is loop configuration, by resistance to Hot steel is welded, outer surface covering 50mm thickness refractory materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721003286.4U CN207527589U (en) | 2017-08-11 | 2017-08-11 | Natural gas low nitrogen burning energy saver and combustion gas induced polarization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721003286.4U CN207527589U (en) | 2017-08-11 | 2017-08-11 | Natural gas low nitrogen burning energy saver and combustion gas induced polarization device |
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| Publication Number | Publication Date |
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| CN207527589U true CN207527589U (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721003286.4U Expired - Fee Related CN207527589U (en) | 2017-08-11 | 2017-08-11 | Natural gas low nitrogen burning energy saver and combustion gas induced polarization device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375293A (en) * | 2019-06-28 | 2019-10-25 | 浙江先创能源科技股份有限公司 | A kind of interior combined-circulation once-through boiler of flue gas pressure |
| WO2020259576A1 (en) * | 2019-06-28 | 2020-12-30 | 浙江先创能源科技股份有限公司 | Forced internal flue gas circulation furnace |
-
2017
- 2017-08-11 CN CN201721003286.4U patent/CN207527589U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375293A (en) * | 2019-06-28 | 2019-10-25 | 浙江先创能源科技股份有限公司 | A kind of interior combined-circulation once-through boiler of flue gas pressure |
| WO2020259576A1 (en) * | 2019-06-28 | 2020-12-30 | 浙江先创能源科技股份有限公司 | Forced internal flue gas circulation furnace |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20200811 |
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| CF01 | Termination of patent right due to non-payment of annual fee |