CN107420890B - Alcohol-based fuel vaporization combustion device - Google Patents
Alcohol-based fuel vaporization combustion device Download PDFInfo
- Publication number
- CN107420890B CN107420890B CN201710596834.7A CN201710596834A CN107420890B CN 107420890 B CN107420890 B CN 107420890B CN 201710596834 A CN201710596834 A CN 201710596834A CN 107420890 B CN107420890 B CN 107420890B
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- China
- Prior art keywords
- combustion
- pipeline
- alcohol
- temperature
- based fuel
- 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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- 239000000446 fuel Substances 0.000 title claims abstract description 41
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 40
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 230000008016 vaporization Effects 0.000 title claims abstract description 11
- 238000009834 vaporization Methods 0.000 title claims abstract description 10
- 239000007789 gas Substances 0.000 claims abstract description 30
- 238000001704 evaporation Methods 0.000 claims abstract description 29
- 230000008020 evaporation Effects 0.000 claims abstract description 26
- 238000000889 atomisation Methods 0.000 claims abstract 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 125000003158 alcohol group Chemical group 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- -1 methanol Chemical compound 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
- F23D11/101—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet
- F23D11/102—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet in an internal mixing chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/38—Nozzles; Cleaning devices therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/44—Preheating devices; Vaporising devices
- F23D11/441—Vaporising devices incorporated with burners
Abstract
The invention discloses an alcohol-based fuel vaporization combustion device which comprises a shell, wherein an air conveying pipeline and a combustion port which are mutually connected are arranged in the shell, a combustion nozzle is arranged at the combustion port, the combustion nozzle is connected with an evaporation pipeline, the evaporation pipeline is connected with a high-temperature gas supply pipeline, an atomization nozzle is arranged in the evaporation pipeline, and the atomization nozzle is connected with a fuel pipe. According to the invention, the alcohol-based fuel is combusted after being vaporized, so that on one hand, a local low-temperature region in a hearth or a combustion chamber is eliminated, the generation of incomplete combustion products is avoided, the pollutant emission is reduced, and simultaneously, the combustion efficiency and the fuel utilization rate are improved, on the other hand, the highest flame temperature in the hearth or the combustion chamber can be reduced by combusting the alcohol-based fuel after being vaporized and mixed with high-temperature gas, and the effect of reducing the emission of nitrogen oxides can be achieved. The alcohol-based fuel is mixed with high-temperature gas after being vaporized and then combusted, flame shortening is facilitated, and meanwhile, the temperature of the mixed gas is higher than that of normal-temperature air, so that the flame stability can be improved.
Description
Technical Field
The invention belongs to the field of combustion devices, and particularly relates to an alcohol-based fuel vaporization combustion device.
Background
The alcohol-based fuel is a liquid fuel which is synthesized by taking alcohols (methanol, ethanol and the like) as main raw materials and chemically blending according to a specific process formula, is a clean fuel and can be widely applied to the industries of boilers, kilns, aluminum melting furnaces and the like. At present, a spray combustion mode is generally adopted for a burner for combusting alcohol-based fuel, but because the latent heat of vaporization of alcohol, particularly methanol, is relatively large, for example, the latent heat of vaporization of methanol is about 4 times that of diesel oil, a local low-temperature area can be generated in a hearth or a combustion chamber, incomplete combustion is caused, and pollutants such as formaldehyde are discharged. In order to solve this problem, a method of evaporating the fuel into gas in advance can be adopted, and at present, a method of heating the fuel container by electricity or smoke is generally adopted, for example, patents CN201410223125.0, CN201620300450.7, CN201611102615.0, cn201520498520.x and the like. However, these methods have problems of complicated system, difficulty in controlling fuel, inflexibility in adjustment, etc., and have safety hazards such as gas leakage or container explosion.
Disclosure of Invention
In order to overcome the defects and problems in the prior art, the invention provides the alcohol-based fuel vaporization combustion device which is safe and reliable to use and convenient to control.
The invention is realized by the following technical scheme:
the utility model provides an alcohol group fuel vaporization burner, includes the casing, be equipped with interconnect's air delivery pipeline and burner port in the casing, burner port department is equipped with the burner tip, and the burner tip is connected with the evaporation pipe way, and the evaporation pipe way is connected with high temperature gas supply pipeline, is equipped with atomizing nozzle in the evaporation pipe way, and atomizing nozzle is connected with the fuel pipe.
The evaporation pipeline is positioned in the center of the air conveying pipeline, and the evaporation pipeline and the air conveying pipeline are coaxially arranged.
The atomizing nozzle is positioned in the center of one end of the evaporation pipeline, which is back to the burner tip.
And a swirler is arranged between the air conveying pipeline and the combustion port.
The burner tip is fixed at the central shaft of the swirler and extends into the burner port.
The high-temperature gas supply pipeline is connected to the high-temperature flue gas pipe.
The high-temperature gas supply pipeline is used for introducing high-temperature gas into the evaporation pipeline, the atomizing nozzle is used for spraying alcohol-based fuel into the evaporation pipeline, the atomized alcohol-based fuel is vaporized after meeting the high-temperature gas, the vaporized fuel mixed high-temperature gas is sprayed into the combustion port through the combustion nozzle to be mixed and combusted with air conveyed by the air conveying pipeline, and the alcohol-based fuel is combusted after being vaporized, so that on one hand, a local low-temperature area in a hearth or a combustion chamber is eliminated, the generation of incomplete combustion products is avoided, the pollutant emission is reduced, and meanwhile, the combustion efficiency and the fuel utilization rate are improved; on the other hand, the highest temperature of flame in a hearth or a combustion chamber can be reduced by mixing the vaporized alcohol-based fuel with high-temperature gas and then combusting the alcohol-based fuel, so that the effect of reducing the emission of nitrogen oxides can be achieved. The alcohol-based fuel is mixed with high-temperature gas after being vaporized and then combusted, flame shortening is facilitated, and meanwhile, the temperature of the mixed gas is higher than that of normal-temperature air, so that the flame stability can be improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1-casing, 11-air conveying pipeline, 12-burner port, 2-burner nozzle, 3-evaporation pipeline, 4-high-temperature gas supply pipeline, 5-atomizing nozzle, 6-fuel pipe and 7-swirler.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the alcohol-based fuel vaporizing combustion device comprises a machine shell 1, wherein an air conveying pipeline 11 and a combustion port 12 which are connected with each other are arranged in the machine shell 1, the air conveying pipeline 11 conveys air to the combustion port 12, and the combustion port 12 is positioned in a hearth or a combustion chamber. The burner port 12 is provided with a burner tip 2, the burner tip 2 is connected with an evaporation pipeline 3, the evaporation pipeline 3 is connected with a high-temperature gas supply pipeline 4, and the high-temperature gas supply pipeline 4 leads high-temperature gas into the evaporation pipeline 3. Be equipped with atomizing nozzle 5 in the evaporation pipe 3, atomizing nozzle 5 is connected with fuel pipe 6, and alcohol group fuel passes through fuel pipe 6 and carries to atomizing nozzle 5, and atomizing nozzle 5 is with alcohol group fuel atomizing blowout. A swirler 7 is arranged between the air conveying pipeline 11 and the combustion port 12, and air can form a central backflow area after passing through the swirler 7 to play a role in stabilizing flame. The burner tip 2 is fixed at the central axis of the swirler 7 and extends into the burner port 12, which can optimize the ejection point position of the burner tip 2 and improve the combustion effect.
The evaporation pipe 3 is located at the center of the air delivery pipe 11, and the evaporation pipe 3 is arranged coaxially with the air delivery pipe 11. This makes the mixed gas's of alcohol group fuel gas and high-temperature gas that evaporating pipe 3 carried direction of delivery and the air that air conveying pipe 11 carried the direction unanimous, promotes the stability of burning.
The atomizing nozzle 5 is positioned at the center of one end of the evaporation pipeline 3 back to the burner 2, and the atomized alcohol-based fuel sprayed by the atomizing nozzle 5 can be fully mixed and vaporized with high-temperature gas, so that the vaporization is more thorough and reliable.
The high-temperature gas supply pipeline 4 is connected to the high-temperature flue gas pipe, so that the effect of recovering the heat energy of the flue gas can be achieved, and the energy utilization efficiency is further improved.
The working process of the embodiment: firstly, high-temperature gas is introduced into the evaporation pipeline 3 through the high-temperature gas supply pipeline 4, the high-temperature gas can be boiler exhaust smoke or air heated by the boiler exhaust smoke through a heat exchanger, the alcohol-based fuel is conveyed to the atomizing nozzle 5 through the fuel pipe 6, the alcohol-based fuel is sprayed into the evaporation pipeline 3 through the atomizing nozzle 5, the atomized alcohol-based fuel is vaporized after meeting the high-temperature gas, and the high-temperature gas mixed with the vaporized fuel is sprayed into the combustion port 12 through the combustion nozzle 2 to be mixed with the air conveyed by the air conveying pipeline 11 for combustion.
The above embodiments are preferred implementations of the present invention, and are not intended to limit the present invention, and any obvious alternative is within the scope of the present invention without departing from the inventive concept thereof.
Claims (1)
1. The alcohol-based fuel vaporization combustion device is characterized by comprising a machine shell (1), wherein an air conveying pipeline (11) and a combustion port (12) which are mutually connected are arranged in the machine shell, a combustion nozzle (2) is arranged at the combustion port, the combustion nozzle is connected with an evaporation pipeline (3), the evaporation pipeline is connected with a high-temperature gas supply pipeline (4), an atomization nozzle (5) is arranged in the evaporation pipeline, and the atomization nozzle is connected with a fuel pipe (6); the atomizing nozzle (5) is positioned in the center of one end of the evaporation pipeline (3) back to the burner (2); the evaporation pipeline (3) is positioned in the center of the air conveying pipeline (11), and the evaporation pipeline and the air conveying pipeline are coaxially arranged; a swirler (7) is arranged between the air conveying pipeline (11) and the combustion port (12); the burner tip (5) is fixed at the central shaft of the swirler (7) and extends into the burner port (12); the high-temperature gas supply pipeline (4) is connected to a high-temperature flue gas pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710596834.7A CN107420890B (en) | 2017-07-20 | 2017-07-20 | Alcohol-based fuel vaporization combustion device |
| PCT/CN2018/094759 WO2019015486A1 (en) | 2017-07-20 | 2018-07-06 | Alcohol-based fuel vaporization and combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710596834.7A CN107420890B (en) | 2017-07-20 | 2017-07-20 | Alcohol-based fuel vaporization combustion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107420890A CN107420890A (en) | 2017-12-01 |
| CN107420890B true CN107420890B (en) | 2021-06-18 |
Family
ID=60430768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710596834.7A Active CN107420890B (en) | 2017-07-20 | 2017-07-20 | Alcohol-based fuel vaporization combustion device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107420890B (en) |
| WO (1) | WO2019015486A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420890B (en) * | 2017-07-20 | 2021-06-18 | 清远市精旺环保设备有限公司 | Alcohol-based fuel vaporization combustion device |
| CN108620599A (en) * | 2018-05-29 | 2018-10-09 | 葫芦岛市金景达清洁燃料有限公司 | A kind of device and method producing zinc powder using alcohol-based fuel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5251823A (en) * | 1992-08-10 | 1993-10-12 | Combustion Tec, Inc. | Adjustable atomizing orifice liquid fuel burner |
| CN2493844Y (en) * | 2001-05-30 | 2002-05-29 | 胶州市天华石油化工设备厂 | Low nitrogen oxides burner |
| CN103822207A (en) * | 2012-11-16 | 2014-05-28 | 航天长征化学工程股份有限公司 | Variable pressure and variable working condition oil burner |
| CN207019054U (en) * | 2017-07-20 | 2018-02-16 | 清远市精旺环保设备有限公司 | A kind of alcohol radical combusting vaporization burner |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2221150Y (en) * | 1995-05-05 | 1996-02-28 | 吴道洪 | High effective energy saving liquid fuel atomizer |
| CN107420890B (en) * | 2017-07-20 | 2021-06-18 | 清远市精旺环保设备有限公司 | Alcohol-based fuel vaporization combustion device |
-
2017
- 2017-07-20 CN CN201710596834.7A patent/CN107420890B/en active Active
-
2018
- 2018-07-06 WO PCT/CN2018/094759 patent/WO2019015486A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5251823A (en) * | 1992-08-10 | 1993-10-12 | Combustion Tec, Inc. | Adjustable atomizing orifice liquid fuel burner |
| CN2493844Y (en) * | 2001-05-30 | 2002-05-29 | 胶州市天华石油化工设备厂 | Low nitrogen oxides burner |
| CN103822207A (en) * | 2012-11-16 | 2014-05-28 | 航天长征化学工程股份有限公司 | Variable pressure and variable working condition oil burner |
| CN207019054U (en) * | 2017-07-20 | 2018-02-16 | 清远市精旺环保设备有限公司 | A kind of alcohol radical combusting vaporization burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107420890A (en) | 2017-12-01 |
| WO2019015486A1 (en) | 2019-01-24 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An alcohol based fuel vaporization combustion device Effective date of registration: 20220622 Granted publication date: 20210618 Pledgee: Qingyuan Branch of Bank of Guangzhou Co.,Ltd. Pledgor: QINGYUAN JINGWANG ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. Registration number: Y2022980008502 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210618 Pledgee: Qingyuan Branch of Bank of Guangzhou Co.,Ltd. Pledgor: QINGYUAN JINGWANG ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. Registration number: Y2022980008502 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |