CN220338492U - Self-suction type air-oxygen mixer - Google Patents
Self-suction type air-oxygen mixer Download PDFInfo
- Publication number
- CN220338492U CN220338492U CN202321213815.9U CN202321213815U CN220338492U CN 220338492 U CN220338492 U CN 220338492U CN 202321213815 U CN202321213815 U CN 202321213815U CN 220338492 U CN220338492 U CN 220338492U
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- CN
- China
- Prior art keywords
- air
- pipeline
- oxygen
- oxygen mixer
- combustion chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000001301 oxygen Substances 0.000 title claims abstract description 74
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 74
- 238000002485 combustion reaction Methods 0.000 claims abstract description 63
- 239000000446 fuel Substances 0.000 claims abstract description 39
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 description 7
- 239000002028 Biomass Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
Classifications
-
- 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
Abstract
The utility model discloses a self-priming air-oxygen mixer, which comprises: the self-priming air-oxygen mixer comprises an air-oxygen mixer and a fan; one end of the air-oxygen mixer is provided with an air inlet, and a plurality of porous plates are arranged in the air-oxygen mixer; the lower side of one end of the air-oxygen mixer is connected with an oxygen bottle through a first pipeline, the other end of the air-oxygen mixer is connected with one end of a filter through a second pipeline, the other end of the filter is connected with an air inlet of a fan, and the fan adopts a Roots fan; the air outlet of the fan is respectively communicated with the upper part and the lower part of a combustion chamber in the combustion device through an air supply pipeline; one side of the combustion chamber is connected with a feeding end of the trough, the feeding end of the trough is connected with a discharging end of the screw feeder, a fuel bin is arranged on a feeding port of the screw feeder, and a cover is arranged at the top of the fuel bin; the combustion device; the combustion device can adjust the addition amount of the fuel and the oxygen concentration and addition amount of the oxygen-enriched air, so that the oxygen-enriched air amount and the addition amount of the fuel reach dynamic balance, benign mixing of gas and solid is realized, the fuel can be fully combusted, and the combustion efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of oxygen-enriched combustion, in particular to a self-suction type air-oxygen mixer and a combustion device.
Background
The combustion equipment using coal, charcoal or other solid fuels as fuels often has insufficient combustion conditions, such as a biomass boiler, the fuels are mainly biomass particles, the biomass particles are required to be added with the fuels uninterruptedly to ensure the boiler temperature due to higher combustion speed, in the process, if the air distribution of a fan is improper or the fuel is too much to feed, the fabrics on a fire grate are too thick, gas and solid cannot be mixed well, the problem of insufficient combustion of the fuels is easily caused, the insufficient combustion of the fuels can lead to slagging in a hearth, the combustion efficiency of the boiler is reduced, the cost is increased, and a large amount of smoke is generated to cause environmental pollution.
Disclosure of Invention
Aiming at the problem of insufficient fuel combustion in the combustion equipment in the prior art, a self-priming air-oxygen mixer is designed;
a self-priming air-oxygen mixer, comprising: the self-priming air-oxygen mixer comprises an air-oxygen mixer and a fan; one end of the air-oxygen mixer is provided with an air inlet, so that air can enter conveniently, and a plurality of porous plates are arranged in the air-oxygen mixer and are used for mixing air and oxygen; the lower side of one end of the air-oxygen mixer is connected with an oxygen bottle through a pipeline, the other end of the air-oxygen mixer is connected with one end of a filter through a pipeline II, the other end of the filter is connected with an air inlet of a fan, and the fan adopts a Roots fan; the air outlet of the fan is respectively communicated with the upper part and the lower part of a combustion chamber in the combustion device through an air supply pipeline. When the fuel at the lower part of the combustion chamber is not fully combusted to generate smoke, oxygen-enriched air is supplied to the upper part of the combustion chamber again for combustion twice, so that the fuel is fully combusted, the combustion efficiency is improved, and the environment is prevented from being polluted by excessive smoke emission; the fuel in the combustion chamber is fully combusted by oxygen-enriched air; one side of the combustion chamber is connected with a feeding end of the trough, the feeding end of the trough is connected with a discharging end of the screw feeder, a fuel bin is arranged on a feeding port of the screw feeder, and a cover is arranged at the top of the fuel bin;
the fuel addition amount is conveniently controlled, so that the air quantity and the fuel quantity are dynamically balanced and are well mixed.
Further, the air supply pipeline comprises a pipeline III and a pipeline IV; the air outlet of the fan is connected with one end of a pipeline III, the other end of the pipeline III is communicated with the lower part of the combustion chamber, the pipeline III is connected with one end of a pipeline IV, and the other end of the pipeline IV is communicated with an annular air distribution pipe arranged at the upper part of the inner side of the combustion chamber; oxygen-enriched air is conveyed into the combustion chamber through the third pipeline and the fourth pipeline and the annular air distribution pipe.
Furthermore, the first pipeline is provided with a flowmeter and a regulating valve, so that the regulation of the oxygen addition amount is facilitated; the oxygen cylinder is provided with a pressure gauge for monitoring the pressure in the oxygen cylinder.
Furthermore, the front side of the combustion chamber is provided with an access opening, the access opening is provided with an access door, and the periphery of the combustion chamber is provided with a refractory material layer; the top of the combustion chamber is provided with an opening for exhausting and taking heat, the bottom of the combustion chamber is provided with a fire bar, an ash groove is arranged below the fire bar, and the front end of the ash groove is provided with an opening and a detachable baffle plate, so that ash is conveniently discharged.
Further, the top of the trough is provided with an oblique air inlet which is communicated with a third pipeline through a fifth pipeline; flame is prevented from entering the trough, and the spiral feeder is prevented from being burnt.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The combustion device feeds the mixed oxygen-enriched air from the upper part and the lower part of the combustion chamber through the air-oxygen mixer, so that the secondary combustion of fuel is realized, the fuel is fully combusted, the combustion efficiency is improved, and the environment is prevented from being polluted by excessive smoke emission;
(2) The combustion device can adjust the addition amount of the fuel and the oxygen concentration and addition amount of the oxygen-enriched air, so that the oxygen-enriched air amount and the addition amount of the fuel reach dynamic balance, benign mixing of gas and solid is realized, the fuel can be fully combusted, and the combustion efficiency is improved.
Drawings
FIG. 1 is a schematic view of a self-priming air-oxygen mixer according to the present utility model;
fig. 2 is a view showing an internal structure of a self-priming air-oxygen mixer according to the present utility model.
Detailed Description
The drawings in the embodiments of the present utility model will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described:
in a first embodiment of the utility model, as shown in fig. 1 and 2, a self-priming air-oxygen mixer comprises: the self-priming air-oxygen mixer comprises an air-oxygen mixer 1 and a fan 2; one end of the air-oxygen mixer 1 is provided with an air inlet 101 for facilitating air entering, and a plurality of porous plates 102 are arranged in the air-oxygen mixer 1 and are used for mixing air and oxygen, so that the air entering the combustion device 3 is oxygen-enriched air; the lower side of one end of the air-oxygen mixer 1 is connected with an oxygen bottle 4 through a first pipeline 7, and the first pipeline 7 is provided with a flowmeter 9 and a regulating valve 10; in specific implementation, the output flow of oxygen is controlled through the regulating valve 10; the oxygen bottle 4 is provided with a pressure gauge 11 for monitoring the pressure in the oxygen bottle; the other end of the air-oxygen mixer 1 is connected with one end of a filter 5 through a second pipeline 16, the other end of the filter 5 is connected with an air inlet of a fan 2, the fan 2 adopts a Roots blower, negative pressure is provided by the fan 2, air is sucked from an air inlet 101 at one end of the air-oxygen mixer 1, and is mixed with oxygen through a porous plate 102 to become oxygen-enriched air, and the oxygen-enriched air enters a combustion device 3 to promote the fuel to be fully combusted; the air outlet of the fan 2 is connected with one end of a third pipeline 12, the other end of the third pipeline 12 is communicated with the lower part of a combustion chamber 301 in the combustion device 3, the third pipeline 12 is connected with one end of a fourth pipeline 13, and the other end of the fourth pipeline 13 is communicated with an annular air distribution pipe 13 arranged at the upper part of the inner side of the combustion chamber 301; oxygen-enriched air is conveyed into the combustion chamber 301 through the third pipeline 12, the fourth pipeline 13 and the annular gas distribution pipe 13, and when the fuel at the lower part is insufficiently combusted to generate smoke, the smoke reaches the upper part of the combustion chamber 301 to be combusted twice again by providing oxygen-enriched air, so that the fuel is fully combusted, the combustion efficiency is improved, and the environment is prevented from being polluted by excessive smoke emission;
wherein, the front side of the combustion chamber is provided with an access opening, and the access opening is provided with an access door 14, which is convenient for the maintenance in the combustion chamber; the periphery of the combustion chamber 301 is provided with a refractory material layer 302; the top opening of the combustion chamber 301 is used for exhausting and taking heat, a furnace bar 304 is arranged at the bottom of the combustion chamber 301, an ash groove 305 is arranged below the furnace bar 304, and the front end of the ash groove 305 is opened and provided with a detachable baffle 15, so that ash is conveniently discharged.
In order to conveniently control the fuel feeding amount, one side of the combustion chamber 301 is connected with the discharging end of the trough 303, the feeding end of the trough 303 is connected with the discharging end of the spiral feeder 6, a fuel bin 8 is arranged on the feeding port of the spiral feeder 6, and the top of the fuel bin 8 is provided with a cover; the top of the trough 303 is provided with an oblique air inlet which is communicated with a third pipeline 12 through a fifth pipeline 17; so that a portion of the oxygen enriched air enters the combustion chamber 301 from the trough 303, avoiding the flame from entering the trough 303 and burning out the screw feeder 6 while ensuring that the fuel is fully combusted.
When the device specifically works, fuel is placed in the fuel bin 8 and covered with the cover, the spiral feeder 6 is controlled to continuously add fuel, the fan 2 is controlled to adjust the air suction amount according to the addition amount of the fuel, meanwhile, the oxygen adding amount is adjusted through the adjusting valve 10, the concentration of oxygen in the air is changed, the fuel is ensured to be fully combusted, the oxygen-enriched air amount and the addition amount of the fuel are dynamically balanced, the benign mixing of gas and solid is realized, and the combustion efficiency is improved.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art should be able to apply equivalents and modifications according to the technical scheme and the modified concept of the present utility model within the scope of the present utility model.
Claims (5)
1. A self-priming air-oxygen mixer, characterized in that: comprising the following steps: the self-priming air-oxygen mixer comprises an air-oxygen mixer and a fan; one end of the air-oxygen mixer is provided with an air inlet, and a plurality of porous plates are arranged in the air-oxygen mixer; the lower side of one end of the air-oxygen mixer is connected with an oxygen bottle through a pipeline, the other end of the air-oxygen mixer is connected with one end of a filter through a pipeline II, the other end of the filter is connected with an air inlet of a fan, and the fan adopts a Roots fan; the air outlet of the fan is respectively communicated with the upper part and the lower part of a combustion chamber in the combustion device through an air supply pipeline; the combustion chamber is characterized in that one side of the combustion chamber is connected with a feeding end of the trough, the feeding end of the trough is connected with a discharging end of the screw feeder, a fuel bin is arranged on a feeding port of the screw feeder, and a cover is arranged at the top of the fuel bin.
2. A self-priming air-oxygen mixer according to claim 1, wherein: the air supply pipeline comprises a pipeline III and a pipeline IV; the air outlet of fan is connected with three one ends of pipeline, and three other ends of pipeline are connected with the lower part of combustion chamber, and pipeline three is connected with four one ends of pipeline, and four other ends of pipeline are connected with the annular gas distribution pipe of setting up in the inboard upper portion of combustion chamber.
3. A self-priming air-oxygen mixer according to claim 1, wherein: the first pipeline is provided with a flowmeter and a regulating valve; the oxygen bottle is provided with a pressure gauge.
4. A self-priming air-oxygen mixer according to claim 1, wherein: the front side of the combustion chamber is provided with an access hole, and the access hole is provided with an access door; the periphery of the combustion chamber is provided with a refractory material layer; the top of the combustion chamber is open, the bottom of the combustion chamber is provided with a furnace bar, an ash groove is arranged below the furnace bar, and the front end of the ash groove is open and is provided with a detachable baffle.
5. A self-priming air-oxygen mixer according to claim 2, wherein:
the top of the trough is provided with an oblique air inlet which is communicated with a third pipeline through a fifth pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321213815.9U CN220338492U (en) | 2023-05-19 | 2023-05-19 | Self-suction type air-oxygen mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321213815.9U CN220338492U (en) | 2023-05-19 | 2023-05-19 | Self-suction type air-oxygen mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220338492U true CN220338492U (en) | 2024-01-12 |
Family
ID=89442942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321213815.9U Active CN220338492U (en) | 2023-05-19 | 2023-05-19 | Self-suction type air-oxygen mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220338492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118347011A (en) * | 2024-03-14 | 2024-07-16 | 青海华鑫再生资源有限公司 | Anti-backfire spray gun for oxyhydrogen ignition |
-
2023
- 2023-05-19 CN CN202321213815.9U patent/CN220338492U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118347011A (en) * | 2024-03-14 | 2024-07-16 | 青海华鑫再生资源有限公司 | Anti-backfire spray gun for oxyhydrogen ignition |
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| GR01 | Patent grant |