CN108826286B - Alcohol group combustor with high-efficient burning - Google Patents
Alcohol group combustor with high-efficient burning Download PDFInfo
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- CN108826286B CN108826286B CN201810851732.XA CN201810851732A CN108826286B CN 108826286 B CN108826286 B CN 108826286B CN 201810851732 A CN201810851732 A CN 201810851732A CN 108826286 B CN108826286 B CN 108826286B
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- alcohol
- gasification chamber
- chamber
- combustion
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- 125000003158 alcohol group Chemical group 0.000 title description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 104
- 239000000446 fuel Substances 0.000 claims abstract description 89
- 238000002309 gasification Methods 0.000 claims abstract description 78
- 238000002485 combustion reaction Methods 0.000 claims abstract description 64
- 239000007788 liquid Substances 0.000 claims abstract description 51
- 238000003860 storage Methods 0.000 claims abstract description 39
- 230000000903 blocking effect Effects 0.000 claims abstract description 28
- 238000009826 distribution Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229910001868 water Inorganic materials 0.000 claims description 10
- 229910001080 W alloy Inorganic materials 0.000 claims description 7
- NKRHXEKCTWWDLS-UHFFFAOYSA-N [W].[Cr].[Co] Chemical compound [W].[Cr].[Co] NKRHXEKCTWWDLS-UHFFFAOYSA-N 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 66
- 238000010521 absorption reaction Methods 0.000 description 7
- 230000008093 supporting effect Effects 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910001347 Stellite Inorganic materials 0.000 description 2
- AHICWQREWHDHHF-UHFFFAOYSA-N chromium;cobalt;iron;manganese;methane;molybdenum;nickel;silicon;tungsten Chemical compound C.[Si].[Cr].[Mn].[Fe].[Co].[Ni].[Mo].[W] AHICWQREWHDHHF-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004992 fission Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F23D11/443—Vaporising devices incorporated with burners heated by the main burner flame
- F23D11/445—Vaporising devices incorporated with burners heated by the main burner flame the flame and the vaporiser not coming into direct contact
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Spray-Type Burners (AREA)
Abstract
The invention relates to the technical field of alcohol-based combustors, in particular to an alcohol-based combustor with efficient combustion, which is characterized in that: a preheating piece (1), an air storage chamber (5), a distributing piece (7), a gasification chamber (8), an air guide piece (11) and a conveying pipe (15); the conveying pipe (16) sequentially penetrates through the air guide piece (12) and the gasification chamber (9) and is inserted into a blocking piece (10) arranged in the gasification chamber (9), the gasification chamber (8) is connected with the top of the air guide piece (11), the air guide piece (11) is connected with the distribution piece (7), the distribution piece (7) is arranged at the top of the outlet of the air storage chamber (5), and the bottom of the air storage chamber (5) is provided with the preheating piece (1). The invention can quickly gasify the alcohol-based liquid fuel, thereby realizing complete and complete fuel, greatly improving the utilization rate of the alcohol-based liquid fuel, having high heat value generated by combustion, having no moisture residue at the bottom of combustion, and the like.
Description
Technical Field
The invention relates to the technical field of alcohol-based combustors, in particular to an alcohol-based combustor with efficient combustion.
Background
The alcohol-based fuel is a high-clean biomass liquid fuel synthesized by taking methanol as a main raw material through a certain process, and the combustion products of the alcohol-based fuel are carbon dioxide and water, so that the alcohol-based fuel does not pollute the environment and is harmless to human bodies, and is a safe and economical clean fuel. The alcohol-based fuel belongs to renewable biological energy sources, the technical performance and the safety index of the alcohol-based fuel meet the requirements of civil fuel, the alcohol-based fuel is one of the standard renewable energy sources formally recognized by China, and compared with the traditional diesel oil, liquefied natural gas and the like, the alcohol-based fuel has great advantages in the aspect of environmental protection, so that the alcohol-based fuel combustion furnace becomes a good substitute of the traditional combustion furnace.
However, the existing alcohol-based combustion tool has relatively low combustion utilization rate of alcohol-based fuel; there are also drawbacks: 1. the gasification effect of the stove on the alcohol-based fuel is low, so that the combustion heat value is low; 2. when alcohol-based fuel in the stove burns, water residues are easy to generate; 3. the stoves cannot burn efficiently on alcohol-based fuels having a relatively high water content.
The patent literature is searched, and the following are listed:
1. The invention discloses a high-efficiency alcohol-based fuel combustion furnace < abstract > of Chinese patent < application number >201711065389.8< invention name >, which relates to the technical field of combustion furnaces and mainly aims to solve the problems that the temperature of a hearth is ensured and reasonable distribution of oxygen is required. The combustion furnace comprises a furnace shell and a hearth seat positioned in the furnace shell, wherein the hearth seat comprises a furnace base and a fireproof ring positioned below the furnace base, the shape of the hearth seat is matched with that of a cooker, the fireproof ring and the hearth seat form a flame channel, the bottom of the fireproof ring is provided with a burner, the combustion furnace further comprises a fan, an air outlet pipe is connected to the fan, an air outlet of the air outlet pipe is positioned in the flame channel, and the air outlet points to the direction of the cooker.
2. The invention discloses an alcohol-based fuel gasification furnace end, belonging to the technical field of gas equipment, wherein the furnace comprises a preheating vaporization chamber with a liquid inlet communicated with a liquid outlet of a liquid delivery pipe and a combustion chamber communicated with a gas outlet of the preheating vaporization chamber, and a plurality of fire holes are formed on an annular side wall of the combustion chamber; a pot rack for enclosing the combustion chamber is arranged outside the combustion chamber; a heat absorption pipe is wound on the outer wall of the pot rack, and the inlet of the heat absorption pipe is respectively communicated with the liquid outlet of the infusion pipe and the liquid inlet of the preheating vaporization chamber through a two-position three-way electromagnetic valve; the outlet of the heat absorption pipe is communicated with the preheating vaporization chamber, a temperature sensor is arranged on the inner wall of the heat absorption pipe, and the temperature sensor is electrically connected with the electric control end of the two-position three-way electromagnetic valve through a controller.
3. An alcohol-based fuel atomized combustion stove which is disclosed in China patent number 201510262541.6, invention name and abstract consists of a strong fire ring, an electronic igniter, a hearth support, a bottom groove, a feed pipe and an atomization nozzle; a strong fire ring is arranged on the hearth support; a bottom groove is arranged in the hearth support, and an electronic igniter is arranged at the edge part of the bottom groove; a hearth support; a feed pipe is arranged in the inner hole of the bottom groove, and a plurality of atomizing spray heads are radially arranged at one end of the feed pipe. The alcohol-based fuel enters an atomizing nozzle from a feed pipe, is fully atomized by the atomizing nozzle, and is ignited by an electronic igniter and is annularly distributed in a strong fire ring; if the alcohol-based fuel with insufficient atomization falls into the bottom tank, the alcohol-based fuel is fully combusted under the action of high-temperature flame. Ascending air flow generated by the high-temperature flame, and air enters the flame in annular distribution through the inner hole of the bottom groove so as to achieve the purpose of fully supplying oxygen; even if the alcohol-based fuel atomization combustion stove is not provided with a fan, the strong fire combustion can be realized.
4. The invention discloses a high-efficiency alcohol-based gas stove < abstract > of Chinese patent < application number >201721297524.7< invention name >, which relates to the technical field of kitchen appliances, and solves the problems that the temperature around the stove is increased due to the fact that alcohol-based fuel burns with vigorous flame, so that not only is the discomfort of chefs caused, but also the waste of alcohol-based fuel is caused; or the upper surface of the fire distributor is a concave curved surface, and the mesh numbers of the fire distributors are unequal.
From the literature retrieved we can see that the techniques disclosed in these documents are all directed to improvements in stoves to improve the combustion efficiency of alcohol-based fuels; however, the fuel efficiency of the alcohol-based fuel of the existing stove is still to be improved, so that improvement and innovation of the existing stove are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the alcohol-based burner which can quickly gasify the alcohol-based liquid fuel, thereby realizing complete and complete fuel, greatly improving the utilization rate of the alcohol-based liquid fuel, and has the advantages of high heat value generated by combustion and high combustion efficiency without residual moisture at the bottom of combustion.
In order to achieve the aim of the invention, the technical scheme adopted is as follows:
An alcohol-based burner with efficient combustion, characterized in that: the device comprises a preheating piece, an air storage chamber, a distributing piece, a gasification chamber, an air guide piece and a conveying pipe; the conveying pipeline sequentially penetrates through the air guide piece and the gasification chamber and is inserted into a blocking piece arranged in the gasification chamber, the gasification chamber is connected with the top of the air guide piece, the air guide piece is connected with a distribution piece, the distribution piece is arranged at the top of an outlet of the air storage chamber, and a preheating piece is arranged at the bottom of the air storage chamber.
Preferably, the bottom of the gasification chamber is provided with a support, one end of the support is sleeved on the air nozzle, and the other end of the support is fixedly and hermetically connected with the air guide piece through a locking piece.
Preferably, the blocking piece is in sealing connection with the conveying pipe, a gap is arranged between the blocking piece and the inner wall of the gasification chamber, a plurality of spot-welded connection points are arranged between the blocking piece and the inner wall of the gasification chamber for enhancing the stress capability of the blocking piece, or a reinforcing bracket is arranged at the lower part of the blocking piece.
Preferably, the preheating piece is an electric furnace.
Preferably, the top of the gasification chamber is in a spherical arc shape, and the lower part of the gasification chamber is in a conical shape.
Preferably, the gasification chamber is made of cobalt-chromium-tungsten alloy, and an air nozzle is arranged at the inner bottom of the gasification chamber. Cobalt chromium tungsten (CoCrW) is one of the Stellite (Stellite) alloys, which is a cemented carbide that is resistant to various types of wear and corrosion and high temperature oxidation.
Preferably, the top surface of the distributing piece is provided with 2 or more nozzles which are uniformly distributed on the distributing piece according to the circumference, and the nozzles are communicated with the air storage chamber.
Preferably, the air reservoir and the distributor are provided with a combustion distributor.
Preferably, the air guide extends through the dispensing member and is inserted into the air reservoir.
Preferably, the alcohol-based burner is applied to burn alcohol-based liquid fuel having a water content of 10 to 30%.
Compared with the prior art, the invention has the beneficial effects that:
1. The invention can quickly gasify the alcohol-based liquid fuel, thereby realizing complete fuel, greatly improving the utilization rate of the alcohol-based liquid fuel, and having high heat value generated by combustion and no moisture residue at the bottom of combustion.
2. The alcohol-based burner is preheated by the gas storage chamber, alcohol-based liquid fuel in the alcohol-based burner is gasified, gasified gas floats upwards, is sprayed outwards through the nozzle on the distribution member and is ignited by an external fire source, the temperature of the gasification chamber reaches 400 ℃ or so after the ignition is successful for 1 to 2 minutes, the alcohol-based liquid fuel is conveyed into the gasification chamber by the conveying pipe, the alcohol-based liquid fuel is gasified instantly after being sprayed into the gasification chamber due to the high temperature state of the gasification chamber, the gas is sprayed to the gas guide member from the gas spraying port at the bottom of the gasification chamber due to the instant increase of the air pressure, the gas guide member guides the gas into the gas storage chamber, the gas is extruded to the nozzle of the distribution member by the gas storage chamber, the nozzle sprays outwards for combustion, the combustion temperature reaches 1000 ℃, the alcohol-based fuel gasified in the gasification chamber is cracked into hydrogen and carbon monoxide under the action of the high temperature, the mixed gas of the hydrogen, the carbon monoxide and the oxygen is obtained, the mixed gas is sprayed outwards through the nozzle for combustion, the flame is vigorous, the combustion is greatly improved relative to the alcohol-based fuel, and the combustion temperature reaches 1100 ℃ or more.
3. When the alcohol-based fuel is combusted, the gasification chamber is positioned above flame, heat can be absorbed in time, the temperature in the gasification chamber is raised instantly, when the alcohol-based liquid fuel is conveyed to the gasification chamber through the conveying pipe and is sprayed to the top surface of the gasification chamber from the outlet of the conveying pipe, the alcohol-based liquid fuel impacts the top surface of the gasification chamber, and the alcohol-based liquid fuel is dispersed in a spherical arc shape; the absorption temperature of the gasification chamber reaches above 600 ℃, so that the injected alcohol-based liquid fuel is gasified instantly, and the purpose of high-efficiency gasification of the gasification chamber is realized; the combustion utilization rate is greatly improved, the gasified alcohol-based fuel gas is combusted for heat supply, the temperature reaches 1000 ℃, the gasified alcohol-based fuel is subject to fission under the action of high temperature and high pressure, the mixed gas obtained by fission is ejected by a nozzle for combustion, the combustion heat value is greatly improved, and the combustion temperature reaches more than 1100 ℃.
4. According to the invention, the blocking piece is arranged in the gasification chamber, the blocking piece can not only block the unvaporized liquid alcohol-based fuel from falling into the gas storage chamber, but also enable the liquid alcohol-based fuel falling onto the blocking piece to be gasified rapidly, a small gap is formed between the blocking piece and the gasification chamber, a relatively airtight narrow space is formed in the space between the blocking piece and the gasification chamber, the gas is expanded instantaneously after the alcohol-based liquid fuel is gasified, the gas quantity is large, and the surrounding is high temperature, so that the space between the blocking piece and the gasification chamber has high temperature and high pressure, and a necessary condition is provided for the gasified alcohol-based fuel to be cracked.
5. According to the invention, the preheating piece can conveniently and rapidly supply heat to the alcohol-based fuel in the gas storage chamber, the ignition time is saved, the ignition success rate is improved, the preheating piece preferably adopts an electric furnace, the electric furnace is connected with a 220V power supply to start work, and after the ignition is successful, the power supply can be cut into sections, and the resources are saved.
6. According to the invention, the gasification chamber is made of cobalt-chromium-tungsten alloy, so that the high-temperature-resistant, high-pressure-resistant and corrosion-resistant capabilities of the gasification chamber can be greatly improved, and the service life of the gasification chamber can be greatly prolonged; the use safety can be improved, and the continuous and normal combustion work can be ensured.
7. In the invention, the top of the gasification chamber is in a spherical arc shape, and the lower part of the gasification chamber is in a conical shape; the top of the gasification furnace is in a spherical arc shape, so that alcohol-based liquid fuel sprayed by the conveying pipe can be dispersed along the spherical arc shape, the area is increased, the distribution and thinning of the unit area of the alcohol-based liquid fuel are realized, the heat absorption area is increased, the high-efficiency instant gasification of the alcohol-based liquid fuel is realized, the gas generated in the gasification chamber is rapidly expanded, and the gas pressure is instantly increased; the lower part is in a conical shape, so that flame formed by combustion can be uniformly diffused around, the inside of the conical shape is gradually reduced from a large diameter to a small diameter, namely, the conical shape is in a concentric reducing shape, and the gas volume in the conical shape can be effectively compressed, so that the gas is rapidly sprayed downwards from a gas nozzle at the bottom of the gasification chamber; the ejected gas is sent to the gas guide part through the support, the gas guide part guides the gas into the gas storage chamber, the gas storage chamber is used for spraying and burning upwards through the combustion distribution chamber and the nozzle on the distribution member, the flame generated by the combustion is stable, and the generated temperature is high.
8. The locking piece can quickly lock and fix the support and the air guide piece, and has good sealing performance.
9. The gas sprayed from the gasification chamber has high speed, and the gas flowing rapidly flows to the gas guide part through the support, and the gas guide part reaches the gas storage chamber, so that the gas sprayed from the nozzle on the distribution part can be completely combusted and utilized.
10. The amount of carbon monoxide discharged by the alcohol-based liquid fuel combusted by the alcohol-based combustor is 0.008mg/m < 2> and the environmental burden is greatly reduced.
Drawings
FIG. 1 is a schematic diagram of an alcohol-based burner with efficient combustion according to the present invention;
FIG. 2 is a schematic structural view of a dispenser;
The serial numbers and corresponding names in the figure are as follows: the device comprises a preheating part-1, a supporting plate-2, a supporting rod-3, a supporting frame-4, an air storage chamber-5, a combustion distribution chamber-6, a distribution part-7, a supporting seat-8, a gasification chamber-9, a blocking part-10, an air nozzle-11, a locking part-12, an air guide part-13, an air pipe-14, a valve-15, a pressure gauge-16, a conveying pipe-17, a blow-off pipe-18, a cleaning pipe-19 and a nozzle-20.
Detailed Description
The following is a detailed description of the invention in conjunction with the examples of the invention:
An alcohol-based burner with efficient combustion, characterized in that: the preheating piece 1, the air storage chamber 5, the distributing piece 7, the gasification chamber 9, the air guide piece 12 and the conveying pipe 17; the conveying pipe 17 sequentially penetrates through the air guide piece 12 and the gasification chamber 9 and is inserted into the blocking piece 10 arranged in the gasification chamber 9, the gasification chamber 9 is connected with the top of the air guide piece 13, the air guide piece 13 is connected with the distribution piece 7, the distribution piece 7 is arranged at the top of the outlet of the air storage chamber 5, and the preheating piece 1 is arranged at the bottom of the air storage chamber 5.
The working principle of the alcohol-based burner is as follows: the fuel delivery pipe 17 delivers 2-4 kg of fuel into the gas storage chamber 5 in advance (the volume of the alcohol-based combustor is increased, the pre-added fuel in the gas storage chamber 5 is increased along with the increase), the fuel delivery is stopped, the preheating piece 1 is started to heat the gas storage chamber 5, when the heating time is 1-5 minutes or the pressure gauge 15 shows more than 0.1MPa, the alcohol-based liquid fuel is gasified and is ignited above the nozzle 20 on the distributing piece 7, the preheating piece 1 is stopped after the ignition is successful, the combustion is carried out for 2-4 minutes, the temperature of the gasification chamber 9 reaches more than 400 ℃, the material delivery pipe 16 is opened, the alcohol-based liquid fuel in the material delivery pipe 16 is injected to the top of the gasification chamber 9, collides with the top of the gasification chamber 9, part of the atomized alcohol-based liquid fuel is instantaneously gasified due to the high temperature, part of the alcohol-based liquid fuel in a liquid state is returned to the blocking piece 10 in the gasification chamber 9 and flows downwards along the blocking piece 10 to a low position, the liquid alcohol-based fuel in the flowing process is quickly gasified due to the high temperature effect, the gas of the gasified alcohol-based fuel gas after the gasification is stopped through the gap between the blocking piece 10 and the inner wall of the distribution piece 9, the gas is combusted for 2-4 minutes, the temperature of the gasification chamber 9 reaches more than 400 ℃, the alcohol-based liquid fuel is injected into the gas injection port 9 from the gas guide chamber 9 to the gas injection port 6, the gas injection port 6 is quickly injected into the gas injection port 6, and is quickly injected into the gas injection port 9; the combustion generation temperature reaches about 1000 ℃, the internal temperature of the gasification chamber 9 reaches more than 950 ℃, the space between the gasification chamber 9 and the blocking piece 10 has high temperature and high pressure, the gasified alcohol-based fuel is cracked under the action of high temperature and high pressure, methanol is cracked into hydrogen and carbon monoxide, water is cracked into hydrogen and oxygen, the mixed gas of the hydrogen, the carbon monoxide and the oxygen is obtained, the mixed gas is sprayed and combusted outwards through the nozzle 17, the flame is vigorous, the combustion heat value is greatly improved relative to that of the alcohol-based fuel, and the combustion temperature reaches more than 1100 ℃.
The bottom of the gasification chamber 9 is provided with a support 8, one end of the support 8 is sleeved on an air nozzle 11, and the other end of the support 8 is fixedly and hermetically connected with an air guide piece 13 through a locking piece 12; the locking piece 12 can fixedly connect the support 8 and the air guide piece 13, and can ensure that the butt joint of the support 8 and the air guide piece 13 has good tightness and effectively prevents air leakage; and provide convenience for follow-up maintenance, can realize quick convenient dismouting and installation.
The air guide 13 is a hollow cylinder, a cone or a square, and it is preferable that the air guide 13 is a hollow cylinder.
The preheating piece 1 is an electric furnace, the specification of the electric furnace is 3000-5000W, 220V voltage is connected, and when the electric furnace is used, the specification of the electric furnace can be selected according to the size of the furnace.
The conveying pipe 17 can be connected with an external pumping pump, and the alcohol-based liquid fuel is pressurized and accelerated through the pumping pump, so that the alcohol-based liquid fuel can be continuously conveyed in the conveying pipe 17, and the continuous combustion work of the stove is ensured.
The gasification chamber 5 is made of cobalt-chromium-tungsten alloy, the gasification chamber 5 is positioned in flame for burning alcohol-based fuel, the temperature to be born is high, and the cobalt-chromium-tungsten alloy can resist high temperature and high pressure and can resist corrosion.
The barrier 10 may also be made of cobalt chrome tungsten alloy, which is in the shape of a spherical arc.
The top surface of the distributing piece 7 is provided with 2 or more nozzles 20, and the nozzles 20 are communicated with the air storage chamber 5; the nozzles 20 are preferably distributed circumferentially uniformly over the distributor 7, but the nozzles 20 may also be distributed in other ways, in order to be able to divide the gas in the combustion distributor 6 equally.
The top of the gasification chamber 5 is in a spherical arc shape, and the lower part of the gasification chamber is in a conical shape; the spherical arc shape of the top can facilitate the dispersion of the alcohol-based liquid fuel sprayed by the conveying pipe 17 along the spherical arc shape, the area is increased, the distribution and thinning of the alcohol-based liquid fuel in unit area are realized, the heat absorption area is increased, and thus the high-efficiency instant gasification of the alcohol-based liquid fuel is realized; in the collision process of the alcohol-based liquid fuel, atomization formed by collision is gasified instantaneously, part of the alcohol-based liquid fuel flows along the top surface of the gasification chamber, and part of the alcohol-based liquid fuel in liquid state falls onto the blocking piece 10 and flows in a diffusion manner on the blocking piece 10, and the part of the liquid is gasified gradually and rapidly in the flowing process due to the high temperature effect, so that gas is generated to expand rapidly, and the gas pressure is increased instantaneously; the lower part is in a conical shape, so that flames formed by combustion can be uniformly diffused around, the inside of the conical shape is gradually reduced from a large diameter to a small diameter, namely, the conical shape is in a concentric reducing shape, and the gas volume in the conical shape can be effectively compressed, so that the gas is rapidly sprayed downwards from the gas spraying port 11 at the bottom of the gasification chamber 9; the ejected gas is sent to the gas guide member 13 through the support 8, the gas guide member 13 guides the gas into the gas storage chamber 5, and then the gas is ejected upwards from the gas storage chamber 5 through the combustion distribution chamber 6 and is combusted through the nozzle 20 on the distribution member 7 by the combustion distribution chamber 6, so that flame generated by combustion is stable and the temperature is high.
The air storage chamber 5 can also be additionally provided with the supporting frame 4, and the supporting frame 4 is favorable for carrying out auxiliary supporting action on the air storage chamber 5, so that the stability of the whole structure can be assisted.
A pressure gauge 15 is arranged on the air storage chamber 5 for facilitating the observation of the air pressure in the air storage chamber, an air pipe 14 is led out of the air storage chamber 5, a pressure gauge 16 is arranged on the air pipe 14, a valve 15 is connected to the air pipe 14, and the air pipe 14 is led out of the valve 15 to the combustion distribution chamber 6; in the case of ignition, ignition may be performed by looking at the value displayed on the pressure gauge 15, and in the case of 0.1MPa or more, ignition may be performed.
The air storage chamber 5 is also provided with a blow-off pipe 18 and a cleaning pipe 19, and dust which falls into the air storage chamber 5 after combustion can be conveniently and rapidly cleaned through the combination of the cleaning pipe 19 and the blow-off pipe 18, and carbon ash can be generated after combustion due to the preparation difference of alcohol-based liquid fuel; the nozzle 20 is positioned below the conical lower part of the gasification chamber 9, and when the gas is sprayed to the lower part of the gasification chamber 9, partial gas whirl is formed, and dust generated by combustion falls into the air storage chamber 5 through the nozzle 20 by the gas whirl, so that the dust generated by combustion can be effectively prevented from being discharged to the air.
The alcohol-based burner is applied to burning alcohol-based liquid fuel with the water content of 10-30%, and the alcohol-based fuel has higher water content, but the alcohol-based burner can still fully and completely burn the alcohol-based liquid fuel, the water residue at the bottom of the burner is avoided, the preparation cost of the alcohol-based liquid fuel can be effectively saved, and the reduction of the burning heat value of the alcohol-based liquid fuel can be avoided.
The alcohol-based burner is suitable for a steam boiler with the temperature of 1-300 t, when the combustion supplies heat, the average temperature in a hearth reaches more than 950 ℃, and the temperature in the hearth of the existing steam boiler is about 700 ℃; the alcohol-based burner is placed on a fire grate of a boiler, and the alcohol-based liquid fuel is combusted for heat supply, so that the fuel such as coal, wood and the like can be greatly saved, the environmental pollution can be effectively reduced, and the natural environment is protected.
Compared with the fire coal heat supply, the alcohol-based burner provided by the invention can burn alcohol-based heat supply and fire coal heat supply, and heat 1 ton of water at the same time, the alcohol-based burner provided by the invention needs 20 minutes, the weight of the alcohol-based fuel is 8 kg, and the fire coal heat supply needs 60 minutes, so that the alcohol-based burner provided by the invention has the advantages of high heat supply efficiency, high efficiency, capability of effectively saving fuel and saving cost.
The foregoing is a description of specific embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the invention, and that these obvious alternatives fall within the scope of the invention.
Claims (1)
1. An alcohol-based burner with efficient combustion, characterized in that: a preheating part (1), an air storage chamber (5), a distributing part (7), a gasification chamber (9), an air guide part (13) and a conveying pipe (17); the conveying pipe (17) sequentially penetrates through the air guide piece (13) and the gasification chamber (9) and is inserted into a blocking piece (10) arranged in the gasification chamber (9), the gasification chamber (9) is connected with the top of the air guide piece (13), the air guide piece (13) is connected with the distribution piece (7), the distribution piece (7) is arranged at the top of an outlet of the air storage chamber (5), and the bottom of the air storage chamber (5) is provided with the preheating piece (1);
A support (8) is arranged at the bottom of the gasification chamber (9), one end of the support (8) is sleeved on the air nozzle (11), and the other end of the support is fixedly and hermetically connected with the air guide piece (13) through a locking piece (12);
The preheating piece (1) is an electric furnace;
the top of the gasification chamber (5) is in a spherical arc shape, and the lower part of the gasification chamber is in a conical shape;
The gasification chamber (5) is made of cobalt-chromium-tungsten alloy; the top surface of the distributing piece (7) is provided with 2 or more nozzles (20), and the nozzles (20) are uniformly distributed on the distributing piece (7) according to the circumference and are communicated with the air storage chamber (5); the air storage chamber (5) and the distributing piece (7) are provided with a combustion distributing chamber (6); the air guide piece (12) penetrates through the distributing piece (7) and is inserted into the air storage chamber (5); the alcohol-based burner is applied to burning alcohol-based liquid fuel with the water content of 10-30%; the alcohol-based combustion machine is prepared and applied to heat supply of a steam boiler of 1-300 t;
The blocking piece (10) is connected with the conveying pipe (17) in a sealing way, a gap is formed between the blocking piece and the inner wall of the gasification chamber (9), a plurality of spot-welded connection points are formed between the blocking piece (10) and the inner wall of the gasification chamber (9) for enhancing the stress capability of the blocking piece (10), or a reinforcing bracket is arranged at the lower part of the blocking piece (10); the blocking piece (10) is made of cobalt-chromium-tungsten alloy and is in a spherical arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810851732.XA CN108826286B (en) | 2018-07-30 | 2018-07-30 | Alcohol group combustor with high-efficient burning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810851732.XA CN108826286B (en) | 2018-07-30 | 2018-07-30 | Alcohol group combustor with high-efficient burning |
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| CN108826286A CN108826286A (en) | 2018-11-16 |
| CN108826286B true CN108826286B (en) | 2024-08-09 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632375A (en) * | 2005-01-24 | 2005-06-29 | 张鹏飞 | Alcohol group liquid fuel burner |
| CN206973640U (en) * | 2017-07-27 | 2018-02-06 | 重庆宙盾新能源技术开发有限公司 | A kind of fuel oven |
| CN208779446U (en) * | 2018-07-30 | 2019-04-23 | 杜治安 | A kind of alcohol based burning machine with efficient burning |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201003752Y (en) * | 2006-08-23 | 2008-01-09 | 蓝鹏 | Fuel-cracking energy-saving burner |
| CN105135429B (en) * | 2015-09-29 | 2017-08-29 | 刘源 | Cracking gasification combustor and combustion method thereof |
| CN108036296A (en) * | 2017-11-28 | 2018-05-15 | 韦炳全 | water energy burner |
-
2018
- 2018-07-30 CN CN201810851732.XA patent/CN108826286B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632375A (en) * | 2005-01-24 | 2005-06-29 | 张鹏飞 | Alcohol group liquid fuel burner |
| CN206973640U (en) * | 2017-07-27 | 2018-02-06 | 重庆宙盾新能源技术开发有限公司 | A kind of fuel oven |
| CN208779446U (en) * | 2018-07-30 | 2019-04-23 | 杜治安 | A kind of alcohol based burning machine with efficient burning |
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| CN108826286A (en) | 2018-11-16 |
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