CN204629472U - A kind of gasification combustor for alcohol group liquid fuel - Google Patents

Abstract

The utility model discloses a kind of gasification combustor for alcohol group liquid fuel, belong to firing equipment field, the vapor lamp that it comprises distributor and connects thereon, distributor is placed in combustion barrel, vapor lamp is the multi-turn solid matter column structure of metal tube spiralization, it is arranged on directly over distributor, the feed pipe of vapor lamp be in spiral bottom and from the position upwards spiral of distributor; The appendix of vapor lamp vertically falls from highest point, is connected to the bottom of distributor by nozzle connector; A fire pot is provided with immediately below distributor; Distributor is made up of the bottom of point fire cover of top, middle blender and below, and the Central Closed of point fire cover, surperficial surrounding are provided with some fumaroles.The purpose of this utility model is to provide a kind of for gasification combustor for alcohol group liquid fuel, and combustion process self-heating, without the need to power supply or other heat source, gasification homogenous combustion is stablized, the large heating effect of firepower is good, without flying oil, there will not be the problem of blocking vapor lamp, conveniently promoting the use of.

Description

A kind of gasification combustor for alcohol group liquid fuel

Technical field

The invention belongs to firing equipment field, be specially a kind of gasification combustor for alcohol group liquid fuel.

Background technology

Burner is the heating tool of the industry indispensabilities such as family, food and drink, chafing dish restaurant and field work, current, because petroleum resources are in short supply, thereupon nervous by the liquefied gas of Petroleum refining, natural gas line laying investment is huge in addition, and the cycle is long, so market supply is not enough, critical shortage; Diesel oil, kerosene are high due to price, do not have a promotional value, and seriously polluted and be prohibited the industry such as food and drink, industry and use.Various countries, in order to the impact not by petroleum resources, all increase the exploitation dynamics to other alternative energy sources.Methyl alcohol, ethanol etc. are as a kind of regenerative resource, be subject to the attention of various countries, and all increase based on the exploitation dynamics of the liquid fuel of methyl alcohol, ethanol, and using the methyl alcohol alcohol radical liquid fuel that is main production as a kind of clean energy resource, large-scale promotion, can change now with liquefied gas, natural gas, diesel oil, kerosene for fuel is to the situation of the severe contamination that environment causes.

The simplest saturated monohydroxy alcohol of methyl alcohol (Methanol, dried, CH4O) architecture, No. CAS has 67-56-1,170082-17-4, molecular weight 32.04, boiling point 64.7 DEG C.Also known as " another name for " or " another name for ".Colourlessly have the volatile liquid of alcohol smell.

Methyl alcohol belongs to regenerative resource, is liquid under normal temperature, and refine owing to being easy to processing and storing, production cost is low, in alternative traditional energy, have many advantages.But the alcohol radical liquid fuel based on methyl alcohol, also has some shortcomings of himself: alcohol radical liquid fuel calorific value is lower, is not suitable with common kitchen range, and traditional spray burning mode can not make its Thorough combustion, and energy consumption is high; If adopt heating and gasifying combustion system, when temperature reaches about 250 degree, easily form carbon distribution, blocking vapor lamp and burner nozzle, cause firepower shakiness or extremely cannot normally use; If the burner do not had matches with it, alcohol radical liquid fuel just cannot be promoted.

If therefore make alcohol radical liquid fuel large-scale popularization apply, better new-type burner more easily must be had to come as support.Be badly in need of in productive life wanting a kind of efficient alcohol-based fuel gasified burner easily.By retrieving prior art, there is following art solutions:

Patent 1, Chinese Patent Application No.: CN201420229782.1, the applying date: 2014.05.07, open (bulletin) day: 2014.09.03, disclose a kind of methyl alcohol cooking stove, this cooking stove arranges stove mouth, gasification storehouse, fan housing, inlet box, fresh air inlet, defeated combustion pipe, liquid level window, control valve, air inlet pipe, combustion chamber, enter cooking stove combustion chamber with methyl alcohol and natural wind to burn, with cooking stove waste heat in combustion, methanol fuel is gasified, the air entered in cooking stove is heated, the waste heat of cooking stove is made to be recycled utilization, methyl alcohol is burnt more abundant, improve the thermal efficiency of cooking stove.

Its burning structure is comparatively complicated, and gasification result exists the factors of instability, and heating effect is not ideal.

Patent 2, Chinese Patent Application No.: CN201210541941.7, the applying date: 2012.12.14, open (bulletin) day: 2013.03.13, disclose a kind of indirect hot air stove using alcohol radical liquid fuel, comprise body of heater, combustion chamber and heat-exchanging chamber is provided with in body of heater, body of heater is provided with air intake, air outlet slit and exhanst gas outlet, is provided with collecting and distributing type alcohol group liquid fuel burner and for providing the fuel supply device of alcohol radical liquid fuel, combustion-supporting gas to collecting and distributing type alcohol group liquid fuel burner in combustion chamber, the heat exchanger that thermal current conduction orientation that at least two groups produce along described combustion chamber is set up in parallel is provided with in heat-exchanging chamber, each is organized on described heat exchanger and is equipped with hot-wind inlet and hot-blast outlet, and the hot blast be provided with between the hot-blast outlet of two adjacent groups heat exchanger and hot-wind inlet for heat exchange air circulation turns to runner, described air intake communicates with the hot-wind inlet apart from described combustion chamber one group of heat exchanger farthest, and described air intake is provided with air-blast device, described air outlet slit communicates with the hot-blast outlet of nearest apart from described combustion chamber one group of heat exchanger.

Patent 3, Chinese Patent Application No.: CN201320670057.3, the applying date: 2013.10.29, open (bulletin) day: 2014.04.09, disclose a kind of methyl alcohol burner, containing aditus laryngis in comprising, be provided with and be convenient to the injection of atomized fuel Vertical dimension, formed with combustion air and mutually liquidate, the eddy flow tray of abundant mixing gauche form blade, the atomizer that can change atomized fuel injection direction eddy flow groove is provided with before outlet, the burner body of adpting flange and housing, interior containing blower fan, the combustion-supporting wind system of bellows and air door executer, include main pipeline, there is the methyl alcohol dedicated pump of more than 18bar atomizing pressure and good sealing property, can prevent from being volatilized the main line system of the special fast valve of leakage methyl alcohol caused and interior containing Pressure gauge by the corrosion of methyl alcohol and fuel, pressure switch, flow control valve, the supplementary controlled system of manual modulation valve.Solving methyl alcohol due to features such as viscosity is low, lubricant effect is poor, high volatilities affects its difficult problem used on the burner, sufficient combustion and not over-emitting black exhaust, efficiency of combustion is high and pollutant emission is few, use cost is low, has very strong practicality.

Above art solutions can not destroy novelty of the present invention separately, and the combination of above technical scheme can not destroy creativeness of the present invention.

Summary of the invention

The object of the invention is for above problem, provide a kind of for gasification combustor for alcohol group liquid fuel.Combustion process self-heating, without the need to power supply or other heat source, gasification evenly, flameholding, the large heating effect of firepower is good, without flying oil, there will not be the problem of blocking vapor lamp, conveniently promoting the use of.

For realizing above object, the technical solution used in the present invention is: a kind of gasification combustor for alcohol group liquid fuel, the vapor lamp (1) that it comprises distributor (2) and connects thereon, distributor (2) is placed in combustion barrel (7), the multi-turn solid matter column structure that described vapor lamp (1) is metal tube spiralization, it is arranged on directly over distributor (2); The feed pipe (101) of described vapor lamp (1) be in spiral bottom and from the position upwards spiral of distributor (2); The appendix (102) of described vapor lamp (1) vertically falls from highest point, is connected to the bottom of distributor (2) by nozzle connector (3); A fire pot (4) is provided with immediately below described distributor (2); Described distributor (2) is made up of the bottom (23) of point fire cover (21) of top, middle hybrid chamber (22) and below, and the Central Closed of point fire cover (21), surperficial surrounding are provided with some fumaroles (2101).

Further, the metal tube spiral number of turns of described vapor lamp (1) is 2-8 circle, and is filled with water conservancy diversion silk (104) in the metal tube of the 1-7 of bottom circle.

Further, the turning point during described water conservancy diversion silk (104) part extends to below metal tube spiral coil feed pipe (101).

Further, the appendix (102) of described vapor lamp (1) is provided with curved bending place (103) in the front end be connected with nozzle connector (3).

Further, the upper fumarole (2101) arranged of point fire cover (21) of described distributor (2) is elongated rectangular shape structure, and rectangular edges flushes with the edge line of a point fire cover (21); Described rectangular slat pivot certain angle arrange.

Further, the blender (22) of described distributor (2) is in biconial, and top taper is large and be back taper formation accelerating cavity (2202); Below taper is little, and large fine taper forms constriction in junction, and below taper forms current limliting chamber (2201); The top of taper accelerating cavity (2202) is provided with the release chamber (2203) of square-section up.

Further, bottom (23) center of described distributor (2) is provided with the input hole (2301) for being connected with nozzle connector (3), and surrounding is provided with some functional holes (2302).

Further, some fire pot (4) place in described combustion barrel (7) below is provided with fire hole (704).

Further, described burner also comprises ignition (5), and described ignition (5) comprises the first ignition lead (501) being arranged on distributor (2) top and the second point live wire (502) being arranged on distributor (2) below.

Further, the first ignition lead (501) is in the top edges of distributor (2), with distributor (2) at a distance of 1-10mm; Second point live wire (502) is in the lower edge of distributor (2), with distributor (2) at a distance of 1-10mm.

Beneficial effect of the present invention: 1, the invention discloses a kind of gasification combustor for alcohol group liquid fuel, conveniently realizes the gasification, and combustion of liquid alcohol-group fuel, and the large heating effect of firepower is good.

2, the specially designed gasification pipe of the present invention, achieves homogeneous gasification, flameholding is reliable.

3, the specially designed gasification pipe of the present invention, the liquid before the gasification of water conservancy diversion silk one side water conservancy diversion, coutroi velocity; Liquid fuel when making on the other hand gasification in pipeline is heated more even, thus realizes fully gasifying thoroughly; And only some is provided with water conservancy diversion silk in vapor lamp, another part does not arrange water conservancy diversion silk, leaving space, makes gas pressure in vapor lamp balanced, is conducive to keeping gasification, and combustion to stablize, solves the problem occurring blocking vapor lamp, conveniently promote the use of.

4, the turning point during water conservancy diversion silk part of the present invention extends to below metal tube spiral coil feed pipe, avoids high velocity fluid strikes to cause spiral coil Inner guide silk to move dislocation; Simultaneously carry out water conservancy diversion at spiral inlet, to avoid in spiral coil flow rate of liquid instantaneous variation to the impact of gasification, and combustion flame holding.Water conservancy diversion silk is column sub-thread, column multiply, helical form multiply, netted multiply metallic object.

5, the elongated rectangular shape fumarole divided around axle design in fire cover of distributor of the present invention, makes the gas after gasifying fully to spray and contacts rear vigorous combustion with air, provide combustion heat energy, heating object.

In point fire cover of 6, distributor of the present invention, center is closed, and when avoiding combustion preheater, liquid fuel splashes the potential safety hazard causing and fly oil.

7, distributor biconial structural design of the present invention, when the taper of bottom is conducive to initial explosion preheating, the ejection of alcohol radical liquid fuel falls after rise flows backwards, and is conducive to initial explosion preheating and completes; After combustion preheater completes, during normal gasification, and combustion, gaseous fuel is by narrow outlet, enter into and progressively become large free air space, be convenient to the alcohol-group fuel gas mineralization pressure after gasifying poor, with air mixing in hybrid chamber, mixed fuel sprays distributor rapidly and can burn fiercely, burning is more abundant, and flame temperature is higher.

8, the functional hole that the bottom below distributor of the present invention designs, the fuel being used for initial explosion preheating on the one hand falls back in a fire pot the whole burner that ignites of lighting a fire, and is pre-thermal evaporation work; On the other hand first in advance thermal evaporation complete after normal gasification, and combustion time, the effect of ventilation oxygenating is provided, fumarole ejection high-temperature gasification gaseous fuel, functional hole provides high-speed air, and biconial textural association forms high-speed eddy, is mixed into burning mixture at hybrid chamber, and spray distributor at a high speed and burn fiercely, make burning more abundant, temperature is higher.

In point fire cover of 9, distributor of the present invention, center surface design has salient point, is convenient to picking and placeing and dismounting of distributor.

Accompanying drawing explanation

Fig. 1 is burner body structural representation of the present invention.

Fig. 2 is a kind of perspective view of vapor lamp of the present invention.

Fig. 3 is a kind of perspective view of distributor of the present invention.

Fig. 4 is the main cross-sectional schematic of distributor in Fig. 3.

Fig. 5 is distributor bottom elevational schematic view in Fig. 4.

Fig. 6 is the main sectional view of distributor bottom in Fig. 5.

Fig. 7 is the main cross-sectional schematic of burner of the present invention.

Fig. 8 is a kind of structure manual ignition of the present invention schematic diagram.

Fig. 9 is a kind of structure electrical igniting of the present invention schematic diagram.

Described in figure, numerical reference is expressed as: 1, vapor lamp; 2, distributor; 3, nozzle connector; 4, fire pot is put; 101, feed pipe; 102, appendix; 103, bending place; 104, water conservancy diversion silk; 105, gasify screwed pipe; 301, connector nut;

21, fire cover is divided; 22, hybrid chamber; 23, bottom; 2101, fumarole; 2102, salient point; 2301, input hole; 2302, functional hole; 2201, current limliting chamber; 2202, accelerating cavity; 2203, chamber is discharged;

5, ignition; 501, the first ignition lead; 502, second point live wire; 6, Manual ignitor; 7, combustion barrel; 701, supporting member; 702, bracing frame; 703, base; 704, fire hole.

Detailed description of the invention

In order to make those skilled in the art understand technical scheme of the present invention better, describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.

As shown in Fig. 1-Fig. 9, concrete structure of the present invention is: the vapor lamp 1 that it comprises distributor 2 and connects thereon, distributor 2 is placed in combustion barrel 7, and described vapor lamp 1 is the multi-turn solid matter column structure of metal tube spiralization, and it is arranged on directly over distributor 2; The feed pipe 101 of described vapor lamp 1 be in spiral bottom and from the position upwards spiral of distributor 2; The appendix 102 of described vapor lamp 1 vertically falls from highest point, is connected to the bottom of distributor 2 by connector 3; A fire pot 4 is provided with immediately below described distributor 2; Described distributor 2 is made up of the bottom 23 of point fire cover 21 of top, middle hybrid chamber 22 and below, and the Central Closed of point fire cover 21, surperficial surrounding are provided with some fumaroles 2101.

Preferably, the metal tube spiral number of turns of described vapor lamp 1 is 2-8 circle, and is filled with water conservancy diversion silk 104 in the metal tube of the 1-7 of bottom circle.

Alcohol radical liquid fuel, in gasification, when temperature reaches about 250 degree, easily forms carbon distribution, blocking vapor lamp and burner nozzle, causes firepower shakiness or extremely cannot normally use.Therefore alcohol radical liquid fuel wants thermal cracking gasification complete, also will overcome the problem of the gasification clogged with soot pipeline caused because temperature is high simultaneously.And flame envelope temperature is higher than internal flame during alcohol-group fuel burning, the temperature of flame raises from bottom to top successively, and therefore often rise a height, and the temperature of flame just improves certain number of degrees.

Therefore, the feed pipe 101 of described vapor lamp body 1 is in the bottom of spiral and from the position upwards spiral of distributor 2, so arranges and be convenient to the first low-temperature prewarming of liquid alcohol-group fuel, gasify after arriving corresponding gasification temperature; Water conservancy diversion silk 104 is set in the helix tube of lower floor, make the central narrowed in pipeline, liquid is between water conservancy diversion silk 104 and the inwall of metal tube, avoids the problem that the middle heating liquid of pipeline is uneven, make alcohol-group liquid be heated evenly, gasify more thorough; And only adopt water conservancy diversion silk 104 at the 1-7 circle of bottom, avoid temperature too high cause carbon deposition phenomenon, make the gas after just gasifying quickly through pipeline, conveniently enter distributor 2 conflagration afterwards; Design like this makes gasification more even, stable.

Preferably, the turning point during described water conservancy diversion silk 104 part extends to below metal tube spiral coil feed pipe 101.Turning point arranges water conservancy diversion silk 104, avoids high velocity fluid strikes to cause spiral coil Inner guide silk to move dislocation; Simultaneously carry out water conservancy diversion at spiral inlet, to avoid in spiral coil flow rate of liquid instantaneous variation to the impact of gasification, and combustion flame holding.Water conservancy diversion silk is column sub-thread, column multiply, helical form multiply, netted multiply metallic object.

Preferably, the appendix 102 of described vapor lamp 1 is provided with curved bending place 103 in the front end be connected with nozzle connector 3.Design like this, is convenient to gas circulation, avoids the uneven turning point blocking caused of gasification likely occurred, makes the supply of gasification alcohol-group fuel more even, ensure burning.

Preferably, the fumarole 2101 that point fire cover 21 of described distributor 2 is arranged is elongated rectangular shape structure, and rectangular edges flushes with the edge line of point fire cover 21; Described rectangular slat pivot certain angle arrange.Around the elongated rectangular shape fumarole 2101 of axle design, the gas after gasifying fully can be sprayed and contact rear vigorous combustion with air, provide combustion heat energy, heating object.

Preferably, the hybrid chamber of described distributor 2 22 is in biconial, and top taper is large and be back taper formation accelerating cavity 2202; Below taper is little, and large fine taper forms constriction in junction, and below taper forms current limliting chamber 2201; The top of taper accelerating cavity 2202 is provided with the release chamber 2203 of square-section up.Distributor biconial structural design, before initial explosion is convenient in the taper of bottom, the ejection of alcohol radical liquid fuel falls after rise flows backwards, and is conducive to initial explosion preheating and completes; After combustion preheater completes, during normal gasification, and combustion, gaseous fuel is by narrow outlet, enter into and progressively become large free air space, be convenient to the alcohol-group fuel mineralization pressure after gasifying poor, can burn fiercely when distributor of in the end emerging 2 is burnt, burning is more abundant, and flame temperature is higher.

Preferably, bottom 23 center of described distributor 2 is provided with the screw thread input hole 2301 for being connected with nozzle connector 3, and surrounding is provided with some functional holes 2302.The effect of functional hole 2302 has two: before primary combustion, what make circulation in pipeline is liquid alcohol-group fuel, and flowing in distributor 2 cavity is also liquid, and then liquid flows backwards under gravity, flow in the some fire pot 4 of below from functional hole 2302, for the whole burner that ignites; After igniting, namely helix tube starts to be heated, gasification alcohol-group fuel, be passed to the gas alcohol-group fuel be after gasification in distributor 2 afterwards, it directly sprays burning by surrounding oblique upper fumarole 2101, now functional hole 2101 act as ventilation oxygenating, for burning provides sufficient oxygen, and form the vortex pressure that gas circulates together with fumarole 2101.

Preferably, put fire pot 4 place below support frame as described above 702 and be provided with fire hole 704.So, Manual ignitor igniting is convenient to.

Preferably, described burner also comprises ignition 5, and described ignition 5 comprises the first ignition lead 501 be arranged on above distributor 2 and the second point live wire 502 be arranged on below distributor 2.

Preferably, the first ignition lead 501 is in the top edges of distributor 2, with distributor 2 at a distance of 1-10mm; Second point live wire 502 is in the lower edge of distributor 2, with distributor 2 at a distance of 1-10mm.

Design like this, using distributor 2 as the intermediary of igniting, achieve distributor about 2 two place and light a fire simultaneously; Change the somewhat complex design that traditional dual ignition needs design two ignition circuits; And dual ignition can be lighted a fire simultaneously, preheating igniting and gasification igniting all can realize.

During concrete use: as Fig. 7, burner body is contained in combustion barrel 7, is provided with supporting member 701 above combustion barrel 7, and centre is bracing frame 702, and below is base 703, and side is provided with fire hole 704; First liquid alcohol-group fuel enters from the feed pipe 101 of vapor lamp 1, before ignition, in whole pipe-line system, circulation is alcohol radical liquid fuel, after liquid enters the inner chamber of distributor 2 from the input hole 2301 at bottom 23 center of distributor 2, point fire cover 21 Central Closed above distributor 2 cavity, avoid and fly oily jump fire phenomenon when possible liquid causes igniting from top ejection, thus avoid causing potential safety hazard; Liquid flows backwards under gravity, flows out in the some fire pot 4 of below from the functional hole 2302 of the surrounding of bottom 23, is convenient to the igniting of first preheated burning.

After having lighted a fire, the liquid of burning heats to top gasification screwed pipe 105, gasified liquid alcohol-group fuel; Alcohol-group fuel after gasification enters after in distributor 2 cavity from the bottom 23 of distributor 2, accelerates to rise by diconical cavity, sprays vigorous combustion by the fumarole 2101 of the side surrounding design of point fire cover 21 of top.

The upper surface center of point fire cover 21 above distributor 2 is provided with salient point 2102, is convenient to picking and placeing and dismounting of distributor.

With appendix 102 junction of vapor lamp 1 on connector 3, be provided with adjustable connector nut 301, convenient installation, maintenance and dismounting.

Above process completes within the extremely short time, burns steadily, and evenly, nothing flies oil not blocking pipe in gasification, the efficient Thorough combustion of energy, and firepower is violent; And structure is simple, is easy to operation and uses.

Fig. 8 is a kind of structure manual ignition of the present invention schematic diagram.Utilize Manual ignitor 6 to extend in a fire pot 4 from the fire hole 704 of bracing frame 702 and carry out ignition operation.

Fig. 9 is a kind of structure electrical igniting of the present invention schematic diagram.Adopt the dual ignition system of original creation, utilize distributor 2 as intermediary, realize the simultaneous ignition of two places, stability is strong, easy to use, easy to operate.

It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.

Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above example just understands method of the present invention and core concept thereof for helping.The above is only the preferred embodiment of the present invention, should be understood that, due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the premise without departing from the principles of the invention, some improvement, retouching or change can also be made, also above-mentioned technical characteristic can be combined by rights; These improve retouching, change or combination, or the design of invention and technical scheme are directly applied to other occasion without improving, and all should be considered as protection scope of the present invention.

Claims (10)

1. a gasification combustor for alcohol group liquid fuel, the vapor lamp (1) that it comprises distributor (2) and connects thereon, distributor (2) is placed in combustion barrel (7), it is characterized in that, the multi-turn solid matter column structure that described vapor lamp (1) is metal tube spiralization, it is arranged on directly over distributor (2); The feed pipe (101) of described vapor lamp (1) be in spiral bottom and from the position upwards spiral of distributor (2); The appendix (102) of described vapor lamp (1) vertically falls from highest point, is connected to the bottom of distributor (2) by nozzle connector (3); A fire pot (4) is provided with immediately below described distributor (2); Described distributor (2) is made up of the bottom (23) of point fire cover (21) of top, middle hybrid chamber (22) and below, and the Central Closed of point fire cover (21), surperficial surrounding are provided with some fumaroles (2101).

2. a kind of gasification combustor for alcohol group liquid fuel according to claim 1, is characterized in that, the metal tube spiral number of turns of described vapor lamp (1) is 2-8 circle, and is filled with water conservancy diversion silk (104) in the metal tube of the 1-7 of bottom circle.

3. a kind of gasification combustor for alcohol group liquid fuel according to claim 2, is characterized in that, described water conservancy diversion silk (104) part extends to the turning point in the feed pipe (101) below metal tube spiral coil.

4. a kind of gasification combustor for alcohol group liquid fuel according to claim 1, it is characterized in that, the appendix (102) of described vapor lamp (1) is provided with curved bending place (103) in the front end be connected with nozzle connector (3).

5. a kind of gasification combustor for alcohol group liquid fuel according to claim 1, it is characterized in that, the upper fumarole (2101) arranged of point fire cover (21) of described distributor (2) is elongated rectangular shape structure, and rectangular edges flushes with the edge line of a point fire cover (21); Described rectangular slat pivot certain angle arrange.

6. a kind of gasification combustor for alcohol group liquid fuel according to claim 1, is characterized in that, the hybrid chamber (22) of described distributor (2) is in biconial, and top taper is large and be back taper formation accelerating cavity (2202); Below taper is little, and large fine taper forms constriction in junction, and below taper forms current limliting chamber (2201); The top of taper accelerating cavity (2202) is provided with the release chamber (2203) of square-section up.

7. a kind of gasification combustor for alcohol group liquid fuel according to claim 1, it is characterized in that, bottom (23) center of described distributor (2) is provided with the input hole (2301) for being connected with nozzle connector (3), and surrounding is provided with some functional holes (2302).

8. a kind of gasification combustor for alcohol group liquid fuel according to claim 1, is characterized in that, some fire pot (4) place, described combustion barrel (7) below is provided with fire hole (704).

9. a kind of gasification combustor for alcohol group liquid fuel according to any one of claim 1-7, it is characterized in that, described burner also comprises ignition (5), and described ignition (5) comprises the first ignition lead (501) being arranged on distributor (2) top and the second point live wire (502) being arranged on distributor (2) below.

10. a kind of gasification combustor for alcohol group liquid fuel according to claim 9, is characterized in that, the first ignition lead (501) is in the top edges of distributor (2), with distributor (2) at a distance of 1-10mm; Second point live wire (502) is in the lower edge of distributor (2), with distributor (2) at a distance of 1-10mm.