CN208886779U - The multistage air distribution combustion device of oxygen-enriched premix - Google Patents
The multistage air distribution combustion device of oxygen-enriched premix Download PDFInfo
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- CN208886779U CN208886779U CN201821641664.6U CN201821641664U CN208886779U CN 208886779 U CN208886779 U CN 208886779U CN 201821641664 U CN201821641664 U CN 201821641664U CN 208886779 U CN208886779 U CN 208886779U
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- oxygen
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- mixer
- air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
The utility model relates to oxygen-enriched burners, especially a kind of multistage air distribution combustion device of oxygen-enriched premix, including burner shell, oxygen-enriched pipe, exhaust gas nozzle, combustion-supporting air hose, oxygen-enriched pipe, exhaust gas nozzle and combustion-supporting air hose three are the structure being successively set with from inside to outside, the first oxygen-enriched spray orifice is provided on the side wall of oxygen-enriched pipe, the front end of oxygen-enriched pipe is equipped with combustion gas oxygen-enriched combination spray head, combustion gas oxygen-enriched combination spray head is placed in the inside of exhaust gas nozzle, the tail end of combustion gas oxygen-enriched combination spray head is provided with combustion gas eddy flow spray orifice, the front end of exhaust gas nozzle is provided with multi-level mixer, multi-level mixer is provided with truncated cone-shaped inner hole close to one end of exhaust gas nozzle, the other end is set as the tubular structure of opening, mixer end wind channel is provided on the outside of the front end of multi-level mixer.The utility model keeps fuel gas buring more abundant, has not only improved efficiency of combustion but also energy saving, can effectively avoid the temperature of combustion chamber excessively high.
Description
Technical field
The utility model relates to oxygen-enriched burner, especially a kind of multistage air distribution combustion device of oxygen-enriched premix.
Background technique
Rich Combustion Technicies are a kind of novel energy-conserving combustion technologies applied to Industrial Stoves, have flame temperature height, spoke
It penetrates that heat-transfer capability is strong, exhaust gas discharges few advantage, the technique requirement of kiln product firing can either be met, and useless cigarette can be reduced
The discharge amount of gas achievees the effect that energy conservation and emission reduction.But the oxygen-enriched spout of existing oxygen-enriched burner is directly entered combustion mostly
Room is burnt, oxygen-enriched air cannot be premixed sufficiently with combustion gas, and wind combustion gas is helped to enter combustion chamber by eddy flow chip architecture, be equally existed and rich
The problem of oxygen air, combustion gas cannot be premixed sufficiently, be easy to cause room temperature excessively high, generates nitrogen oxides, occurs burning and not fill
The problem of dividing or expending excessive fuel.
It is oxygen-enriched with burning burner special, oxygen-enriched and combustion that CN207247203U discloses a kind of industrial combustion gas kiln multistage air distribution
Gas, combustion air premix in multi-level mixer, and the space of premix is limited, make it is oxygen-enriched not complete enough with the premix of combustion gas, combustion air,
The burning of combustion gas is insufficient.
Utility model content
In order to solve the above technical problems, the utility model proposes one kind can either improve efficiency of combustion, and it is avoided that burning
The excessively high oxygen-enriched premix multistage air distribution combustion device of room temperature.
The utility model adopts the following technical solution:
A kind of multistage air distribution combustion device of oxygen-enriched premix, including burner shell, oxygen-enriched pipe, exhaust gas nozzle, combustion-supporting air hose, it is rich
Oxygen pipe, exhaust gas nozzle and combustion-supporting air hose three are the structure being successively set with from inside to outside, and the tail portion of exhaust gas nozzle is arranged first
On burner shell, and through the second burner shell, the tail portion of combustion-supporting air hose is arranged on the second burner shell；It is oxygen-enriched
The first oxygen-enriched spray orifice is provided on the side wall of pipe, the front end of oxygen-enriched pipe is equipped with combustion gas oxygen-enriched combination spray head, combustion gas oxygen-enriched combination
Spray head is placed in the inside of exhaust gas nozzle, and the tail end of combustion gas oxygen-enriched combination spray head is provided with combustion gas eddy flow spray orifice, combustion gas oxygen-enriched combination
Second oxygen-enriched spray orifice is set in spray head front end side wall；The front end of exhaust gas nozzle is provided with multi-level mixer, and multi-level mixer is close
One end of exhaust gas nozzle is provided with truncated cone-shaped inner hole, and the other end is set as the tubular structure of opening, the front end of multi-level mixer
Fly along being above provided with mixer end wind channel.
Compared with prior art, the utility model has the beneficial effects that
Oxygen-enriched pipe is embedded on the first burner shell and through the first burner shell, and the tail end of oxygen-enriched pipe is provided with
Oxygen-enriched pipe connecting pin.
Combustion gas connecting pin is provided on first burner shell, combustion gas connecting pin is provided with combustion gas orifice plate, combustion gas orifice plate
Inside is provided with the first combustion gas pressure valve, is provided with the second combustion gas pressure valve on the outside of combustion gas orifice plate, and combustion gas connecting pin passes through the
Channel built in one burner shell is connect with exhaust gas nozzle；Combustion air connecting pin is provided on second burner shell, it is combustion-supporting
Wind connecting pin is provided with combustion air orifice plate, and the first combustion air pressure valve is provided on the inside of combustion air orifice plate, and outside is provided with
Two combustion air pressure valves, combustion air connecting pin are connect by the channel built in the second burner shell with combustion-supporting air hose.
Combustion gas oxygen-enriched combination nozzle body is oxygen-enriched main jet hole in cone hat shape, the front of nozzle body, nozzle body
Annular is provided with the second oxygen-enriched spray orifice on side wall.
Mixer end wind channel is the through slot that is uniformly arranged on flying circumferentially to justify.
The tail end of multi-level mixer is provided with air holes of mixer, has been sequentially arranged mixing on the side wall of multi-level mixer
Device secondary air hole, mixer air holes three times, air holes of mixer, mixer secondary air hole, mixer air holes, mixer three times
End wind channel constitutes multistage air distribution mechanism.
Gap between combustion gas oxygen-enriched combination spray head and exhaust gas nozzle front end constitutes oxygen rich fuel gas mixing chamber.
The gap of the front end of the front end and multi-level mixer of combustion-supporting air hose constitutes combustion chamber, and the front end of combustion-supporting air hose is bottleneck
The high-velocity flame spray mouth of shape.
Related fiery visor is set on the first burner shell.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the A direction view of Fig. 1；
In figure: oxygen-enriched pipe 1；Oxygen-enriched pipe connecting pin 101；Oxygen-enriched pipe locknut 2；Close fiery visor 3；First burner shell 4；Combustion
Gas blowout pipe locknut 5；Exhaust gas nozzle 6；Second burner shell 7；First oxygen-enriched spray orifice 8；Combustion gas eddy flow spray orifice 9；Second oxygen-enriched spray
Hole 10；Combustion gas oxygen-enriched combination spray head 11；Oxygen rich fuel gas mixing chamber 12；Multi-level mixer 13；Air holes 14 of mixer；Mixer
Secondary air hole 15；Mixer air holes 16 three times；Mixer end wind channel 17；Combustion-supporting air hose 18；Combustion chamber 19；High-speed flame spray
Loophole 20；Combustion air connecting pin 21；First combustion air pressure valve 22；Second combustion air pressure valve 23；Combustion gas connecting pin 24；First
Combustion gas pressure valve 25；Second combustion gas pressure valve 26；Combustion gas orifice plate 27；Combustion air orifice plate 28.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Referring to Fig. 1, Fig. 2: a kind of multistage air distribution combustion device of oxygen-enriched premix, by burner shell, oxygen-enriched pipe 1, exhaust gas nozzle
6, combustion-supporting air hose 18 forms, and oxygen-enriched pipe 1, exhaust gas nozzle 6 and 18 three of combustion-supporting air hose are the structure being successively set with from inside to outside, the
Be provided with combustion gas connecting pin 24 on one burner shell 4, combustion gas connecting pin 24 by channel built in the first burner shell 4 with
Exhaust gas nozzle 6 connects, and combustion gas connecting pin 24 is provided with combustion gas orifice plate 27, and the inside of combustion gas orifice plate 27 is provided with the first combustion gas and surveys pressure
Valve 25, outside are provided with the second combustion gas pressure valve 26, the first combustion gas pressure valve 25 and the second combustion gas pressure valve 26 for examining at any time
The pressure condition of 27 inner side and outer side of combustion gas orifice plate is surveyed, related fiery visor 3 is also set up on the first burner shell 4；Second burning
Combustion air connecting pin 21 is set on device shell 7, combustion air connecting pin 21 by channel built in the second burner shell 7 with it is combustion-supporting
Air hose 18 connects, and is provided with combustion air orifice plate 28 on combustion air connecting pin 21, the inside of combustion air orifice plate 28 is provided with first and helps
Wind pressure valve 22 is fired, outside is provided with the second combustion air pressure valve 23, and the first combustion air pressure valve 22 and the second combustion air survey pressure
Valve 23 for detecting the pressure condition of 28 inner side and outer side of combustion air orifice plate at any time.
Oxygen-enriched pipe 1 is embedded on the first burner shell 4 by helicitic texture and through the first burner shell 4, rich
The tail end of oxygen pipe 1 is provided with oxygen-enriched pipe connecting pin 101, the external oxygen generating plant in oxygen-enriched pipe connecting pin 101, and oxygen-enriched pipe 1 passes through its tail
The oxygen-enriched pipe locknut 2 of end setting is locked on the first burner shell 4, and oxygen-enriched pipe locknut 2 is placed in the outer of the first burner shell 4
Portion；The first oxygen-enriched spray orifice 8 is provided on the side wall of oxygen-enriched pipe 1, the front end of oxygen-enriched pipe 1 is equipped with combustion gas oxygen-enriched combination spray head 11,
For combustion gas oxygen-enriched combination nozzle body in cone hat shape, the front of nozzle body is oxygen-enriched main jet hole, ring on the side wall of nozzle body
Shape is provided with the second oxygen-enriched spray orifice 10.
The tail portion of exhaust gas nozzle 6 is connect with the nose threads of the first burner shell 4, and is locked by exhaust gas nozzle locknut 5
Tightly, exhaust gas nozzle 6 is placed in the inside of exhaust gas nozzle through the second burner shell 7, combustion gas oxygen-enriched combination spray head, and combustion gas is oxygen-enriched
The tail end of combined sprinkler is provided with combustion gas eddy flow spray orifice；Gap between 6 front end of combustion gas oxygen-enriched combination spray head 11 and exhaust gas nozzle
Constitute oxygen rich fuel gas mixing chamber 12；The front end of exhaust gas nozzle 6 is provided with multi-level mixer 13, and multi-level mixer 13 is close to gas injection
One end of pipe 6 is provided with truncated cone-shaped inner hole, and the other end is set as the tubular structure of opening, and the tail end of multi-level mixer 13 is provided with
Air holes 14 of mixer has been sequentially arranged mixer secondary air hole 15, mixer tertiary air on the side wall of multi-level mixer 13
Hole 16, the front end of multi-level mixer 13 fly along mixer end wind channel 17 is above provided with, and mixer end wind channel 17 is
Fly the through slot being uniformly arranged on circumferentially justifying.Air holes 14 of mixer, mixer secondary air hole 15, mixer air holes three times
16, mixer end wind channel 17 constitutes multistage air distribution mechanism.
Combustion-supporting air hose 18 can use silicon carbide or stainless steel material, the tail portion of combustion-supporting air hose 18 and the second burner shell
7 using being threadedly coupled, and the gap of the front end of the front end and multi-level mixer 13 of combustion-supporting air hose 18 constitutes combustion chamber 19, combustion-supporting air hose
18 front end is the high-velocity flame spray mouth 20 of bottleneck shape.
The utility model mixes oxygen-enriched after oxygen rich fuel gas mixing chamber 12 sufficiently premix, then by multistage with combustion gas in advance
Device 13 and combustion-supporting air hose 18 carry out the burning of level Four mixture, and flame is sprayed by the high-velocity flame spray mouth 20 of combustion-supporting air hose 18, due to
Oxygen-enriched and gas-fired combustion-supporting wind is sufficiently mixed, and is kept fuel gas buring more abundant, is both improved efficiency of combustion, has saved energy consumption, and can keep away
It is excessively high to exempt from burning room temperature.
The above is only the specific embodiments of the utility model, but not limited to this to the protection of the utility model, owns
Those skilled in the art the thinkable variation or substitution being equal with the technical program technical characteristic, all cover this
Within the protection scope of utility model.
Claims (9)
1. a kind of multistage air distribution combustion device of oxygen-enriched premix, including burner shell, oxygen-enriched pipe, exhaust gas nozzle, combustion-supporting air hose, oxygen-enriched
Pipe, exhaust gas nozzle and combustion-supporting air hose three are the structure being successively set with from inside to outside, it is characterised in that: the tail portion of exhaust gas nozzle is set
It sets on the first burner shell, and through the second burner shell, the tail portion of combustion-supporting air hose is arranged in the second burner casing
On body；The first oxygen-enriched spray orifice is provided on the side wall of oxygen-enriched pipe, the front end of oxygen-enriched pipe is equipped with combustion gas oxygen-enriched combination spray head, combustion gas
Oxygen-enriched combination spray head is placed in the inside of exhaust gas nozzle, and the tail end of combustion gas oxygen-enriched combination spray head is provided with combustion gas eddy flow spray orifice, combustion gas
Second oxygen-enriched spray orifice is set in oxygen-enriched combination spray head front end side wall；The front end of exhaust gas nozzle is provided with multi-level mixer, and multistage is mixed
Clutch is provided with truncated cone-shaped inner hole close to one end of exhaust gas nozzle, and the other end is set as the tubular structure of opening, multi-level mixer
Front end fly along being above provided with mixer end wind channel.
2. the multistage air distribution combustion device of the oxygen-enriched premix of one kind according to claim 1, it is characterised in that: oxygen-enriched pipe is embedded in the
On one burner shell and through the first burner shell, the tail end of oxygen-enriched pipe is provided with oxygen-enriched pipe connecting pin.
3. the multistage air distribution combustion device of the oxygen-enriched premix of one kind according to claim 1, it is characterised in that: the first burner shell
On be provided with combustion gas connecting pin, combustion gas connecting pin is provided with combustion gas orifice plate, be provided on the inside of combustion gas orifice plate the first combustion gas survey pressure
Valve, the second combustion gas pressure valve is provided on the outside of combustion gas orifice plate, and combustion gas connecting pin passes through the channel built in the first burner shell
It is connect with exhaust gas nozzle；Combustion air connecting pin is provided on second burner shell, combustion air connecting pin is provided with combustion-supporting air holes
Plate is provided with the first combustion air pressure valve on the inside of combustion air orifice plate, and outside is provided with the second combustion air pressure valve, and combustion air connects
End is connect to connect by the channel built in the second burner shell with combustion-supporting air hose.
4. the multistage air distribution combustion device of the oxygen-enriched premix of one kind according to claim 1, it is characterised in that: the spray of combustion gas oxygen-enriched combination
Head main body is oxygen-enriched main jet hole in cone hat shape, the front of nozzle body, and annular is provided with the second richness on the side wall of nozzle body
Oxygen spray orifice.
5. the multistage air distribution combustion device of the oxygen-enriched premix of one kind according to claim 1, it is characterised in that: mixer end wind is logical
Road is the through slot that is uniformly arranged on flying circumferentially to justify.
6. the multistage air distribution combustion device of the oxygen-enriched premix of one kind according to claim 1, it is characterised in that: the tail of multi-level mixer
End is provided with air holes of mixer, has been sequentially arranged mixer secondary air hole, mixer three times on the side wall of multi-level mixer
Air holes, air holes, mixer end wind channel composition multistage are matched three times for air holes of mixer, mixer secondary air hole, mixer
Blower structure.
7. the multistage air distribution combustion device of the oxygen-enriched premix of one kind according to claim 1, it is characterised in that: the spray of combustion gas oxygen-enriched combination
Gap between head and exhaust gas nozzle front end constitutes oxygen rich fuel gas mixing chamber.
8. the multistage air distribution combustion device of the oxygen-enriched premix of one kind according to claim 1, it is characterised in that: the front end of combustion-supporting air hose
Combustion chamber is constituted with the gap of the front end of multi-level mixer, the front end of combustion-supporting air hose is the high-velocity flame spray mouth of bottleneck shape.
9. the multistage air distribution combustion device of the oxygen-enriched premix of one kind according to claim 1, it is characterised in that: the first burner shell
Upper setting is in relation to fiery visor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821641664.6U CN208886779U (en) | 2018-10-10 | 2018-10-10 | The multistage air distribution combustion device of oxygen-enriched premix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821641664.6U CN208886779U (en) | 2018-10-10 | 2018-10-10 | The multistage air distribution combustion device of oxygen-enriched premix |
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| Publication Number | Publication Date |
|---|---|
| CN208886779U true CN208886779U (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821641664.6U Active CN208886779U (en) | 2018-10-10 | 2018-10-10 | The multistage air distribution combustion device of oxygen-enriched premix |
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| CN (1) | CN208886779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930962A (en) * | 2018-10-10 | 2018-12-04 | 唐山纳川富氧节能科技有限公司 | The multistage air distribution combustion device of oxygen-enriched premix |
-
2018
- 2018-10-10 CN CN201821641664.6U patent/CN208886779U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930962A (en) * | 2018-10-10 | 2018-12-04 | 唐山纳川富氧节能科技有限公司 | The multistage air distribution combustion device of oxygen-enriched premix |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190711 Address after: 063300 West Side of Yingbin Road, Fengnan Economic Development Zone, Tangshan City, Hebei Province Patentee after: Tangshan Xinwang Oxygen-enriched Energy Conservation and Environmental Protection Technology Co., Ltd. Address before: 063000 No. 99 Jianbei Road, Tangshan High-tech Zone, Hebei Province (Room 1505, Torch Building) Patentee before: Tangshan Nachuan Oxygen-enriched Energy Saving Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |