CN203024196U - Alcohol-based fuel cleaning gasifying combustion stove - Google Patents
Alcohol-based fuel cleaning gasifying combustion stove Download PDFInfo
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- CN203024196U CN203024196U CN 201220697794 CN201220697794U CN203024196U CN 203024196 U CN203024196 U CN 203024196U CN 201220697794 CN201220697794 CN 201220697794 CN 201220697794 U CN201220697794 U CN 201220697794U CN 203024196 U CN203024196 U CN 203024196U
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- gasifier
- stove
- gasification
- kitchen range
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Abstract
The utility model discloses an alcohol-based fuel cleaning gasifying combustion stove which is composed of a stove body, a gasifier, a secondary gasifier, a screw-hole air distributor and an oil conveying pipe, wherein a cofferdam is arranged at the center of the bottom of the stove body; the bottom of the stove body surrounds a pre-combustion chamber; an air inlet is formed in the center of the cofferdam; the oil conveying pipe is led into the stove body from the air inlet and connected with the gasifier at the middle part of the stove body; multiple fuel nozzles are radially formed around the gasifier along the radial direction; the screw-hole air distributor is fixed on the oil conveying pipe between the gasifier and the air inlet; wind tunnels are annually formed in the periphery of the screw-hole air distributor; the secondary gasifier is fixed above the gasifier to divide the stove body into an upper gasifying combustion chamber and a lower mixing combustion chamber; and the gasifying combustion chamber and the mixing combustion chamber are communicated through the wind holes in the middle of the secondary gasifier.
Description
Technical field
The utility model relates to a kind of kitchen range, particularly a kind ofly is suitable for civilian alcohol-based fuel cooker.Alcohol-based fuel cooker of the present utility model can be realized the burning that is gasified totally of fuel.
Background technology
Along with the raising of China's economic development and people's living standard, society is increasing to the demand of clean energy resource, and the exploitation of Novel clean-fuel are imminent, and alcohol radical liquid fuel is that this respect is extremely promising a kind of.
Alcohol-group fuel is the clean energy resource of a kind of cheapness, environmental protection, and because fuel itself contains oxygen, aerobic less during burning, fuel combustion is abundant, is blue flame, does not contain carbon granules in flue gas, is mainly carbon dioxide and water; The alcohol-group fuel sulfur content is extremely low, and after burning, sulfureous in flue gas oxide generation concentration is also extremely low, is one of cleaner burning fuel that is only second to hydrogen.
Alcohol-group fuel can coal, heavy oil, natural gas or living beings etc. are raw material production, and raw material sources are wide, and production technology is simple, technology maturation.There are thousands of small fertilizer plants in the whole nation, and most factories have ready conditions with the pure method methanol of connection, produces alcohol-group fuel for undoubtedly the pure method of connection reliable raw material supply channel is provided; Producing alcohol-group fuel is again the important component part of coal liquefaction and living beings production renewable sources of energy technology, and the cost of large-scale production alcohol-group fuel has the extremely strong market competitiveness far below other fuel such as liquefied petroleum gas, natural gas, artificial coal gas.China is the country of " rich coal, oil starvation, weak breath ", coal resources transform the national conditions that alcohol-group fuel is fit to China, if this fuel is popularized, the shortage of China's oil resource will be made up to a great extent, and can realize within the specific limits the localization production and supply of clean fuel, to ensureing that Chinese energy safety has extremely important strategic importance.
At present, the kitchen range that can be used for alcohol-group fuel can be summarized as five classes according to the characteristics of gasifier:
First kind liquid level is direct-fired
This is alcohol-group liquid burner the earliest, and is close with simple and easy ethanol stove, and the alcohol-group fuel that is about to some directly injects the small containers of cooking stove, and burning and gasification are carried out simultaneously at liquid level.The major defect of this burner is: ignition temperature is low, the alcohol-group fuel incomplete combustion, and the thermal efficiency is low, and produces a large amount of pernicious gases, and contaminated environment wastes energy.
Equations of The Second Kind is inflated adding pressure type
Adopt coil pipe horizontal type gasifier, the gasification of high pressure feed flow transverse tube.Main feature is to inflate pressurization, and air-filling type etc. on level difference type pressurization, steel cylinder air-filling type, kitchen range is arranged.The problem that exists: 1) complex structure, operation are tired of multiple.Pressure-reducing valve, pressure charging valve, air valve, pressure display table etc. are arranged, and pipe joint is many, causes sometimes leakage, and hidden danger is many, and is dangerous, and maintenance is inconvenient.2) transverse tube gasification.Whole gasifier is under superheat state, easily causes the vapour-liquid mixed flow, and the molecule in gasifier fuel also has little time burning and just dissociates out, forms coking obstruction in jet hole, pipeline.
The 3rd class gaseous fuel adding pressure type
Adopt the vertical tube gasifier, do not inflate pressurization, the low pressure feed flow.Gas-liquid mixed flow not in gasifier, static gasification, but due to the low pressure feed flow, firepower strengthens gradually, if gasification is not enough, combustion instability has the phenomenon of breathing.
The 4th class auto-pressurizing
This burner is not set up special gasifier, the cavity that utilizes burner and fuel tank to form, and by heated cavity heating fuel, fuel gasifies in fuel tank and produces pressure, for burner combustion when burning.This burner fuel case temperature is high, and pressure is large, and is in all the time among fluctuation, might cause under certain conditions the fuel tank internal pressure sharply to raise, and the possibility that causes the fuel tank blast is arranged, and has larger potential safety hazard.
The 5th multistage gasification combustor of class
Partly formed by fuel tank, fuel control, preheated air, main combustion vaporizer, multistage gasifier, auxiliary gasification combustor etc.Liquid fuel is gasified totally through stepped heating in multistage gasifier, becomes the combustion gas of 120～500 ℃, enters auxiliary gasification combustor, with high temperature air mixed combustion.The complexity of this burner structure is than inflating adding pressure type more very, the light simple requirement of more difficult suitable normal domestic cooking stove.
Domestic preparation research to alcohol-group fuel is carried out more at present; many costs are fit to, the New-type fuel of stable performance constantly comes out; and supporting burner developmental research makes little progress with it; really can make fuel-efficient burning, energy-conserving and environment-protective, again simple and practical, can also not have for the kitchen range of normal domestic market scale promotion and implementation.Fall behind just because of alcohol-group fuel combustion technology research at present and kitchen range designing and manufacturing level, restricted the extensive popularization of this new cleaning fuel of alcohol-group fuel.
Summary of the invention
The purpose of this utility model is to provide a kind of alcohol-group fuel cleaning gasified burning cooking utensils, to be fit to the normal domestic needs of alcohol-group fuel.
Fluid combustion generally can have dual mode, i.e. liquid-phase combustion and gaseous combustion.During liquid-phase combustion, the uniformity that fogging degree, drop mix with air will determine whether the burning of fuel is complete.For fuel is fully atomized, evenly mix with air, need the technical conditions such as high pressure nozzle and liquid at high speed injection, and certain furnace cavity.The normal domestic kitchen range due to limited conditions, combustion process is difficult to guarantee that drop fully atomizes mixes with air, be cause the alcohol-group fuel incomplete combustion, firepower is weak, drop splashes, the main cause of the unpleasant eye of choking of flue gas etc.Find by the correlative study to the alcohol-group fuel combustion process, fuel gaseous state combustion system replaces the direction that the liquid combustion system is following pure fuel burner design.
Alcohol-group fuel of the present utility model cleaning gasified burning cooking utensils by stove, gasifier, second gasification device, revolve the hole air distributor and petroleum pipeline consists of, described stove is a tubular cavity, the stove bottom center is provided with the cofferdam of a ring-type, surrounds the precombustion chamber of a ring-type bottom stove; The central authorities in described cofferdam are for advancing air scoop, and petroleum pipeline passes into stove from advancing air scoop, are connected with the oblate gasifier that is positioned at stove middle part, are radial a plurality of fuel nozzles that radially are provided with in the surrounding of described gasifier; One discoid revolves the hole air distributor and is fixedly mounted on gasifier and advances on petroleum pipeline between air scoop, is provided with ringwise some circle wind-tunnel in the periphery of revolving the hole air distributor; Gasifier top is fixed with the second gasification device of an annular, and stove is separated into the gasification combustion chamber on top and the hybrid combustor of bottom, and described gasification combustion chamber and hybrid combustor are communicated with by the wind hole of second gasification device centre.
Wherein, described gasifier is arranged on petroleum pipeline, is oblate.Columniform fuel nozzle is connected with the gasifier integrated radial, top closure, and spray orifice is positioned on the sidewall of fuel nozzle, and opening direction is towards the side top, and the spray orifice opening direction is consistent, forms a spiral.This structure can guarantee that the fuel swirl shape that gasifies upwards sprays to the inwall of stove combustion chamber, rather than vertically upward sprays, to strengthen the mixability of vaporising fuel and air.
Simultaneously, the described hole air distributor that revolves revolves the wind-tunnel opening direction that scatters on the air distributor of hole and is not orthogonal to equally disk for certain thickness disk is arranged, but rolls before clockwise direction, form the water conservancy diversion spiral, enter hybrid combustor so that the air that sucks is eddy flow state coiling rising.The air of eddy flow can fully mix with the fuel of same swirl injection, is conducive to sufficient combustion thorough.
Like this, the burning required air is sucked by the stove bottom center, enters hybrid combustor via revolving hole air distributor helical form, mixes in the abundant disturbance of hybrid combustor with fuel, and most of fuel is at this gasification, and combustion.
And then, revolve the diameter of hole air distributor greater than the diameter that advances air scoop, the center of revolving simultaneously the hole air distributor is solid construction, and wind-tunnel is not set.Can guarantee that like this air that sucks can enter the combustion chamber via revolving hole air distributor water conservancy diversion spiral, reduce simultaneously the bottom that the air that sucks directly blows to gasifier.
The second gasification device of ring-type is fixed on the middle top of stove, be scattered with intensive fire hole on ring-type second gasification device, a small amount of not pulverized fuel of gasification, and combustion is in contact with it the gasification of again being heated, and enters to realize being gasified totally burning in gasification combustion chamber, further improves efficiency of combustion.
The cargo pipe line of kitchen range is made by the hard stainless steel tube, and by some radially lacing wire be connected with stove, be fixed on stove.Be provided with oil pump and needle valve on petroleum pipeline, to control the supply of fuel.
Alcohol-group fuel of the present utility model cleaning gasified burning cooking utensils has fuel gasification and combustion integrative structure, realizes without the air blast burning that is gasified totally.Use initial, liquid fuel is through oil pump, needle valve, gasifier, flowed in precombustion chamber by fuel nozzle, light the precombustion chamber fuel, heating gasifying device and fuel nozzle, make in gasifier the liquid fuel supercharging of gasifying rapidly, enter hybrid combustor by nozzle ejection, the air of vaporising fuel and eddy flow is in the abundant mixed combustion of hybrid combustor; The second gasification device that is positioned at stove top makes it realize real gasification completing combustion in gasification combustion chamber micro-pulverized fuel heating and gasifying again.Along with the carrying out of burning, the gasifier of the condition of high temperature and fuel nozzle spray the instantaneous gasification of the liquid fuel that enters, and precombustion chamber no longer includes the liquid fuel burning.
Be different from the traditional combustion mode, alcohol-group fuel cleaning gasified burning cooking utensils of the present utility model evenly mixes liquid fuel with air with gas form before catching fire, reduced the required latent heat of vaporization of rear carburretion of catching fire, its flame temperature is high when liquid, and burning velocity is the dynamic speed of aerochemistry reaction; Fuel is with gaseous combustion, and there is not liquid core in combustion process, has realized homogeneous reaction, has guaranteed sufficient combustion, complete, thorough, has reduced noxious gas emission.
The combustion process of the utility model alcohol-group fuel cleaning gasified burning cooking utensils comprises fuel supply, fuel gasification, fuel injection, air conducting, mixed combustion, second gasification, several parts of gasification, and combustion, and its main feature is presented as the following aspects.
1) combustion process does not need air blast, has both reduced equipment investment, has reduced again power consumption.
2) fuel combustion needs suitable air-fuel ratio, and on market, common kitchen range are all with air blast, and the burning required air quantity wants the moving damper size of armrest arbitrarily to adjust, be difficult to accurately control, air capacity how consumption of calorie, lacked incomplete combustion.When spraying with flame combustion, the utility model kitchen range fuel produces certain vacuum below the combustion chamber, air is sucked by bottom natural, firepower is more violent, vacuum is larger, the air amount amount is just many, only need to control the size of fuel by needle valve, and flame size is along with change, air imbibed quantity changes naturally thereupon, and air-fuel ratio remains in suitable scope.
3) fuel all enters gasifier, by nozzle ejection, has further avoided fuel with liquid state or the burning of vapour-liquid hybrid mode after the evaporation gasification of being heated.
4) gasifier is connected with nozzle-integrated, has reduced fuel leakage and resistance, keeps fuel and sprays with certain speed.
5) spray orifice on fuel nozzle is positioned at nozzle side facing up, rather than vertically upward, can make fuel spray to the combustion chamber with helical form on the one hand, is convenient to mix with air fully, has reduced on the other hand fuel and has not fired the outer loss of direct ejection stove.
6) the second gasification device can make a small amount of unburned fuel again gasify, and realizes really being gasified totally burning; On the other hand, the second gasification device also has the effect of even distribution flame.
7) kitchen range belows is provided with and revolves the hole air distributor, rolls before being clockwise direction by the wind-tunnel that scatters thereon, makes the air that nature sucks form eddy flow by the wind-tunnel break-in, enters the combustion chamber with certain speed, is beneficial to and the abundant mixed combustion of fuel.
8) there is gasification combustion chamber second gasification device top, and here fuel fully burns with gaseous form fully, and is higher than liquid state or vapour-liquid mixed combustion efficient.
Due to These characteristics, alcohol-group fuel cleaning gasified burning cooking utensils flameholding of the present utility model is abundant, firepower is large, and the thermal efficiency is high, flashing-off do not occur, without inefficient combustion phenomenons such as flame backrush, black smoke, flame interferences, the fume emission harmful substance reduces greatly, and majority parameters is lower than oil liquefied gas, sanitation and hygiene, be suitable for the Multi liquid fuels such as alcohol-group fuel, pure lighter hydrocarbons fuel combination, applied range.
Alcohol-group fuel cleaning gasified burning cooking utensils simple structure of the present utility model, assembly compactness, easy and simple to handle, production cost is low, is convenient to make promote.
Description of drawings
Fig. 1 is the structural representation of the utility model alcohol-group fuel cleaning gasified burning cooking utensils.
Fig. 2 is the plan structure schematic diagram of gasifier in Fig. 1.
Fig. 3 is the plan structure schematic diagram that revolves the hole air distributor in Fig. 1.
Fig. 4 is the plan structure schematic diagram of second gasification device in Fig. 1.
The specific embodiment
The structure of alcohol-group fuel cleaning gasified burning cooking utensils as shown in Figure 1, by stove 3, gasifier 8, second gasification device 4, revolve hole air distributor 10 and petroleum pipeline 11 forms.Its stove 3 is a tubular cavity, is provided with the cofferdam 1 of a ring-type in the bottom of stove 3, and cofferdam 1 central opening is as advancing air scoop 2, the peripheral precombustion chamber 13 that consists of a ring-type.The cavity part of precombustion chamber more than 13 is separated into again gasification combustion chamber 6 and hybrid combustor 7 two parts on top by second gasification device 4.
Petroleum pipeline 11 is the hard stainless steel tube, pass in stove 3 hybrid combustors 7 from advancing air scoop 2, by three radially lacing wire 12 be fixed on stove 3, be provided with needle valve 14 and oil pump 15 on the petroleum pipeline 11 outside stove 3.
Gasifier 8 is positioned at the hybrid combustor 7 at stove 3 middle parts, is connected with petroleum pipeline 11.The structure of gasifier 8 such as Fig. 2, be oblate shape, be radial radially be provided with a plurality of and cylindrical fuel nozzles 9 gasifier 8 integrated connections in the surrounding of gasifier 8, the top closure of fuel nozzle 9, spray orifice 16 are positioned on the sidewall of fuel nozzle 9, and opening direction is towards the side top, form a spiral, upwards spray to the inwall of hybrid combustor with the fuel swirl shape that guarantees gasification, rather than vertically upward spray, strengthen the mixability of itself and air.
Revolve hole air distributor 10 and be arranged on the below of gasifier 8, be fixed on petroleum pipeline 11, its structure such as Fig. 3 are disc-shape, and certain thickness is arranged, and slightly larger in diameter is in advancing air scoop 2.Be provided with ringwise some circle wind-tunnel 17 in the periphery of revolving hole air distributor 10, the opening direction of wind-tunnel 17 is not orthogonal to disk, but clockwise direction top rake, form the water conservancy diversion spiral, can make the air of suction be eddy flow state spiral rises and enters hybrid combustor, fully mix with the fuel that sprays, be conducive to sufficient combustion thorough.The distributor center is solid construction, and wind-tunnel is not set, and the air that can reduce suction directly blows to gasifier 8 bottoms.
The structure of second gasification device 4 as shown in Figure 4, be loop configuration, the middle part is provided with wind hole 5, is fixed on top in stove 3, stove 3 is separated into the gasification combustion chamber 6 on top and the hybrid combustor 7 of bottom, and gasification combustion chamber 6 and hybrid combustor 7 are communicated with by the wind hole 5 in the middle of second gasification device 4.Be scattered with intensive fire hole 18 on second gasification device 4, the not gasification pulverized fuel of trace contacts with second gasification device 4, and the gasification of again being heated enters the burning that is gasified totally in gasification combustion chamber, improves efficiency of combustion.
The using method of the utility model alcohol-group fuel cleaning gasified burning cooking utensils is as follows: open oil pump, needle valve, a small amount of liquid fuel flows in precombustion chamber via the gasifier fuel nozzle.Close needle valve, fuel cut-off is lighted the liquid fuel in precombustion chamber.When fuel nozzle has the gas ejection, open gradually needle valve.The burning required air advances air scoop and sucks bottom stove, enter hybrid combustor and fuel mix via revolving hole air distributor helical form.Along with burning is carried out, the gasifier temperature raises, the instantaneous gasification of the fuel that enters, and nozzle almost no longer includes the liquid ejection, and fuel gas and air are in combustion chamber mixed combustion.Chamber temperature is higher, and fuel gasification speed is faster, bottom vacuum crescendo simultaneously, and the air capacity of suction strengthens, and firepower is more and more stronger.When flame-out, first close oil pump, then close needle valve, fray-out of flame, the air of suction also reduces gradually.
Claims (8)
1. an alcohol-group fuel cleans gasified burning cooking utensils, by stove, gasifier, second gasification device, revolve the hole air distributor and petroleum pipeline consists of, it is characterized in that, described stove is a tubular cavity, the stove bottom center is provided with the cofferdam of a ring-type, surrounds the precombustion chamber of a ring-type bottom stove; The central authorities in described cofferdam are for advancing air scoop, and petroleum pipeline passes into stove from advancing air scoop, are connected with the oblate gasifier that is positioned at stove middle part, are radial a plurality of fuel nozzles that radially are provided with in the surrounding of described gasifier; One discoid revolves the hole air distributor and is fixedly mounted on gasifier and advances on petroleum pipeline between air scoop, is provided with ringwise some circle wind-tunnel in the periphery of revolving the hole air distributor; Gasifier top is fixed with the second gasification device of an annular, and stove is separated into the gasification combustion chamber on top and the hybrid combustor of bottom, and described gasification combustion chamber and hybrid combustor are communicated with by the wind hole of second gasification device centre.
2. kitchen range according to claim 1, is characterized in that the spray orifice on described fuel nozzle is positioned on the sidewall of fuel nozzle, and opening direction is towards the side top.
3. kitchen range according to claim 2, is characterized in that the spray orifice opening direction on described fuel nozzle is consistent, forms a spiral.
4. kitchen range according to claim 1 is characterized in that the equal clockwise direction top rake of opening direction of described arbitrary circle wind-tunnel forming the water conservancy diversion spiral.
5. according to claim 1 or 4 described kitchen range, is characterized in that described center of revolving the hole air distributor is solid construction, and wind-tunnel is not set.
6. according to claim 1 or 4 described kitchen range, is characterized in that the described diameter of hole air distributor that revolves is greater than the diameter that advances air scoop.
7. kitchen range according to claim 1, is characterized in that being scattered with intensive fire hole on described ring-type second gasification device.
8. kitchen range according to claim 1, it is characterized in that described petroleum pipeline by some radially lacing wire be fixed on stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220697794 CN203024196U (en) | 2012-12-17 | 2012-12-17 | Alcohol-based fuel cleaning gasifying combustion stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220697794 CN203024196U (en) | 2012-12-17 | 2012-12-17 | Alcohol-based fuel cleaning gasifying combustion stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203024196U true CN203024196U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220697794 Withdrawn - After Issue CN203024196U (en) | 2012-12-17 | 2012-12-17 | Alcohol-based fuel cleaning gasifying combustion stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203024196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966984A (en) * | 2012-12-17 | 2013-03-13 | 山西华顿实业有限公司 | Alcohol-group fuel cleaning and gasifying combustion stove |
| CN104390246A (en) * | 2014-11-26 | 2015-03-04 | 廖正才 | High-power alcohol-based gasification furnace head |
-
2012
- 2012-12-17 CN CN 201220697794 patent/CN203024196U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966984A (en) * | 2012-12-17 | 2013-03-13 | 山西华顿实业有限公司 | Alcohol-group fuel cleaning and gasifying combustion stove |
| CN102966984B (en) * | 2012-12-17 | 2015-08-12 | 山西华顿实业有限公司 | Alcohol-group fuel cleans gasified burning cooking utensils |
| CN104390246A (en) * | 2014-11-26 | 2015-03-04 | 廖正才 | High-power alcohol-based gasification furnace head |
| CN104390246B (en) * | 2014-11-26 | 2017-04-05 | 佛山市智正能科技有限公司 | A kind of high-power alcohol radical gasifying furnace head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130626 Effective date of abandoning: 20150812 |
|
| RGAV | Abandon patent right to avoid regrant |