CN202303370U

CN202303370U - Combustor for liquid fuel

Info

Publication number: CN202303370U
Application number: CN2011203048748U
Authority: CN
Inventors: 李永安; 张兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-11
Filing date: 2011-08-11
Publication date: 2012-07-04
Anticipated expiration: 2021-08-11

Abstract

A combustor for a liquid fuel manufactured by utilizing the method provided by the utility model is disclosed, wherein when the liquid fuel enters in a gasification chamber from an oil inlet tube connected with the gasification chamber, the liquid fuel in the gasification chamber is heated by a pre-heating chamber and becomes a gas under the heating function of the pre-heating chamber, after that, the gas enters in a valve body assembly via a gas outlet tube connected with the gasification chamber, and then flows in a combustion device to be combusted; because a high temperature exists in a combustion chamber, the temperature is transferred to the gasification chamber via a heat transferring chamber to heat the liquid fuel flowing in the gasification chamber from the oil inlet tube, and the liquid fuel becomes a gas; in this way, the liquid fuel is circularly gasified and combusted; and because the heat is transferred by air, and the gasification temperature is stable, the problem of carbon deposition is effectively solved. The combustor for a liquid fuel is low in energy consumption, high in energy conservation up to about 65%, strong in firepower, high in flame temperature, and low in exhaust gas emission, conquers the technology of combustor for liquid fuel puzzling the world for more than 20 years in the true sense, breaks through the technical barrier of combustion for liquid fuel, especially for alcohol-based fuel, and turns popularization for liquid fuel, especially for alcohol-based fuel into reality from ideal.

Description

A kind of liquid-fuel burner

Technical field

The present invention relates to inventive method civilian, commercial, the industrial type fluid fuel burner.

Background technology

Burner is the essential heaters of industry heating tool such as family, chafing dish, food and drink, is again simultaneously the indispensable combustion tool of industrial furnace, no matter be other liquid fuels such as kerosene, diesel oil or alcohol-group fuel, all be unable to do without the burner that matches.Just current, no matter be kerosene or diesel fuel burner, himself fatal defective is all arranged, so do not have on a large scale with its popularization on the market.Present kerosene, diesel fuel burner, peculiar smell is denseer during burning, the exhaust gas discharged severe overweight, air pollution is serious, and country has prohibited use at present; The burner energy consumption that existing simultaneously present kerosene, diesel oil use is higher, and use cost is high, so market also is difficult to accept.Now, except liquefied gas and natural gas, there is not better alternative energy source; Along with the international energy growing tension, also nervous thereupon by the liquefied gas of oil refine, and petroleum resources run out of at last; So the predicament of various countries in order to solve oil shortage and finally not have oil to use all strengthened the exploitation to other renewable alternative energy sources, like wind-powered electricity generation, water power, solar energy etc.; Under this background, also good by various countries as alcohol radical burning renewable and with low cost, it is with low cost; Be easy to process refine, and the methyl alcohol aboundresources.But the alcohol-group fuel owing to the methyl alcohol preparation has its unique characteristic, and it belongs to liquid at normal temperatures, and calorific value is low; So let it adapt to people's heating needs, just very high to the requirement of burner, there is not supporting with it burner; The good again alcohol-group fuel of filling a prescription all is useless, so; Countries in the world research and development alcohol-group fuel more than two decades comes, and none successfully goes on the market, exactly because do not develop supporting with it burner; China just researches and develops alcohol-group fuel so far, also none popularization of successfully going on the market since the early 1990s.The specialized personnel of a lot of scientific research institutions and chemical industry aspect possesses the alcohol-group fuel prescription of suitable technology content in the hand, can not have supporting with it burner, also can't it be promoted.Alcohol-group fuel just begins to tie carbon when temperature reaches 250 deg.c in combustion process, stop up tracheae and burner, causes it normally to use; Calorific value is low simultaneously, and energy consumption is high; Flame temperature is low, and firepower is little, and firing rate is slow; It is a liquid, and the combustion system difficulty is gasified totally; It is insufficient to burn; Burning back exhaust gas discharged severe overweight; This is the normal five big world level difficult problems of promoting of puzzlement alcohol-group fuel; Also be the root place that can't normally promote of alcohol-group fuel in the world, it cannot overcome these difficult problems by the prescription that changes alcohol-group fuel, can only be to lean on the combustion system of change burner to overcome these difficult problems.There are a lot of scientific research institutions, enterprises and individuals in the whole world in research and development alcohol radical combustion burner, but more than two decades gone over, and none can successfully solve these difficult problems.

Summary of the invention

The present invention proposes a kind of inventive method of liquid-fuel burner; It is overturned fully and has changed traditional liquid-fuel burner; Not only solve the combustion problem of kerosene, diesel oil etc., also efficiently solved the alcohol-group fuel world-class difficult problem in twenties years in the puzzlement world in burning.

A kind of liquid-fuel burner that the present invention proposes; Form by burner, gasification installation, preheating chamber, heat transfer device, valve body assembly; It is characterized in that: gasification installation is installed on the burner; Valve body assembly one end links to each other with the gasification installation outlet side, and the other end links to each other with burner in the burner, burner by distributor, split fire head, lead fiery inclined-plane, air distribution chamber, intake chute, burner, burner carriage, air distribution sheet and form.

Gasification installation is made up of vaporizer, heat transfer chamber, combustion chamber, and its structure is the hollow cavity of column annular, and the hollow cavity of column annular is up big and down small or up-small and down-big, and perhaps size is the same up and down; Vaporizer, heat transfer chamber, combustion chamber specifically are distributed as a skin that is positioned at another, wrap up layer by layer, and the combustion chamber is positioned at the innermost layer, and the skin of combustion chamber is a heat transfer chamber, and the skin of heat transfer chamber is a vaporizer.Vaporizer is the airtight hollow cavity of column annular; Be distributed with 1～10 heat transfer chamber between vaporizer and the combustion chamber, comprise 1 and 10.Vaporizer inwall and its center line form an angle, and the angle angle is 0～90 degree, comprise 0 degree and 90 degree; Heat transfer chamber inwall and its center line form an angle, and the angle angle is 0～90 degree, comprise 0 degree and 90 degree; Combustion chamber inwall and its center line form an angle, and the angle angle is 0～90 degree, comprise 0 degree and 90 degree.

Combustion chamber and vaporizer, heat transfer chamber height one are to perhaps being higher than vaporizer and heat transfer chamber or being lower than vaporizer and heat transfer chamber; Oil inlet pipe and escape pipe are housed on the vaporizer, and the height of escape pipe is identical with oil inlet pipe or be higher than oil inlet pipe; The bottom, combustion chamber has an annular bottom plate to link to each other, and has secondary mixing wind through hole near the combustion chamber inwall on the annular bottom plate; Bottom, combustion chamber annular bottom plate links to each other with burner.

Lead fiery inclined-plane and its center line forms an angle, the angle angle is 0～90 degree, comprises 0 degree and 90 degree, shape such as horn-like, split fire head is positioned at the burner center, split fire head with lead the annular flat-shaped mesopore of giving vent to anger of formation between the fiery inclined-plane.Intake chute is positioned at leads lower end, fiery inclined-plane, and its structure is the annular ditch groove shape, and the position is lower than transverse plane on the air admission hole.

The air distribution chamber is the hollow cavity of taper, and its inclined-plane and center line form an angle, and the angle angle is 0～90 degree, comprises 0 degree and 90 degree, and the burner carriage links to each other with bottom, air distribution chamber.

The heat transfer device of ring structure is housed in the heat transfer chamber, and heat transfer device is connected with heat transfer chamber both sides inwall; The height of heat transfer device is lower than the height on the heat transfer chamber.Heat transfer device is the column annular solid, and the inside and outside annular face of heat transfer device contacts for the face face with the heat transfer chamber both sides; Perhaps heat transfer device is the spring-like annular ring that pole curves; Perhaps heat transfer device is silk tooth shape or screw-shaped column annular solid, and heat transfer device is that annular silk tooth shape or shape of threads contact with the heat transfer chamber both sides; Perhaps heat transfer device is that gear-like body above-below direction links to each other in the heat transfer chamber inwall.

The liquid-fuel burner that adopts the inventive method to make, when liquid fuel behind the oil inlet pipe entering vaporizer that links to each other with vaporizer, by preheating chamber to the liquid fuel heat in the vaporizer; Liquid fuel in the vaporizer becomes gas under the heat effect of preheating chamber, get into valve body assembly through the escape pipe that links to each other with vaporizer, flows into burner by valve body assembly again; Gas flows out in the combustion chamber internal combustion from burner, and flame sprays from the combustion chamber, to being positioned over the heated body heating above the combustion chamber; Owing to high temperature is also arranged in the combustion chamber,, will become gas from the liquid fuel heat that oil inlet pipe flows into vaporizer again so its temperature is passed to vaporizer through heat transfer chamber; Get into valve body assembly from the escape pipe that links to each other with vaporizer, by its flow size of valve body assembly control (being the firepower size), can stop preheating work in the chamber this moment in advance; To ending; The whole liquid fuel burner leans on the heat gasification liquid fuel of self, burns while gasify, and heated object is heated.The effect of heat transfer device is to accelerate to lean in the combustion chamber temperature of bottom to pass to vaporizer, mainly is to accelerate the speed that firm igniting back liquid fuel becomes gas, shortens the gasification time.

The temperature of combustion chamber is passed to vaporizer through heat transfer chamber, like this; The temperature that has guaranteed vaporizer effectively is more constant, because the sensitivity of passing through the air heat transfer is far below the directly heat transfer sensitivity of contact between the air chamber, if the cancellation heat transfer chamber; It is very big that temperature in the vaporizer will be influenced by chamber temperature, cannot control the temperature that vaporizer is passed in the combustion chamber simultaneously, and knot carbon is serious; Therefore conduct heat through heat transfer chamber, the temperature of vaporizer can not cause temperature fluctuated excessive because of the firepower size of combustion chamber, thereby influences the gasification of vaporizer; Its core is can guarantee about 250 degree, just to begin to tie carbon such as alcohol-group fuel in the liquid fuel within knot carbon temperature through the temperature that heat transfer chamber is passed to vaporizer, and the high more knot carbon of temperature is ultra serious; The present invention can regulate the heat transfer chamber inner cavity size so; Guarantee to be lower than 250 degree, like this, just solved alcohol-group fuel knot carbon problem effectively in the temperature of passing to vaporizer.

Burner among the present invention cooperates gasification installation can liquid fuel be become gas fully by liquid, carries out gas combustion, so sufficient combustion; Firepower is violent, and energy consumption is low, and flame temperature is high; Toxic emission is low; Truly captured the puzzlement world liquid-fuel burner in twenties years technology, broken through the particularly technology barriers of alcohol-group fuel burning of liquid fuel, liquid fuel particularly the popularization of alcohol-group fuel become reality by ideal.

The alcohol-group fuel cost has only about half of liquefied gas; Add that liquid-fuel burner flame temperature of the present invention is high, energy consumption is low, and the thermal efficiency is up to about 65%; Basically realized that 1 kilogram of alcohol-group fuel is equivalent to the burning of 1 kilogram of liquefied gas; Its appearance and popularization will be practiced thrift the huge petroleum resources of number for country, for huge contribution is made by country

A kind of liquid-fuel burner that the present invention proposes; Liquid fuel is after its burning; The pernicious gas of discharging seldom is lower than twenties times of country and industry relevant criterion, particularly carbon emission and nitrogen discharged; The chamber is tested the chamber and all is difficult to detect with instrument, and its popularization also is huge reducing on the carbon emission the contribution that country did.

Description of drawings

Fig. 1 is the overall structure sketch map of liquid-fuel burner;

Fig. 2 a is the gasification installation front view;

Fig. 2 b is the gasification installation vertical view;

Fig. 3 a is the heat transfer device front view;

Fig. 3 b is the heat transfer device vertical view;

Fig. 4 a is a spring-like annular heat transfer device front view;

Fig. 4 b is a spring-like annular heat transfer device vertical view;

Fig. 5 a is a gear-like heat transfer device front view;

Fig. 5 b is a gear-like heat transfer device vertical view;

Fig. 6 is a burner overall structure sketch map;

Fig. 7 is the distributor structural representation;

Fig. 8 a is an air distribution chamber front view;

Fig. 8 b is an air distribution chamber vertical view;

Fig. 9 a is a burner carriage front view;

Fig. 9 b is a burner carriage vertical view;

Figure 10 a is an air distribution sheet front view;

Figure 10 b is an air distribution sheet vertical view;

Figure 11 a is the annular bottom plate front view;

Figure 11 b is the annular bottom plate vertical view.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the inventive method is further described.

Accompanying drawing 1 is the overall structure sketch map of liquid-fuel burner, and 1 is valve body assembly among the figure, the 2nd, and knob, the 3rd, burner, the 4th, air distribution sheet, the 5th, burner carriage; The 6th, wind distributing hole, the 7th, distributor, the 8th, the air distribution chamber, the 9th, intake chute, the 10th, lead fiery inclined-plane; The 11st, air admission hole, the 12nd, split fire head, the 13rd, secondary mixing wind through hole, the 14th, oil inlet pipe, the 15th, vaporizer; The 16th, heat transfer chamber, the 17th, combustion chamber, the 18th, escape pipe, the 19th, combustion chamber inwall, the 20th, heat transfer chamber inwall; The 21st, vaporizer inwall, the 22nd, preheating chamber, the 23rd, heat transfer device, the 24th, burner connecting hole, the 25th, annular bottom plate.After liquid fuel got into vaporizer 15 from the oil inlet pipe 14 that links to each other with vaporizer 15, by the liquid fuel heat in 22 pairs of vaporizers of preheating chamber 15, the liquid fuel in the vaporizer 15 became gas under the heat effect of preheating chamber 22; Escape pipe 18 through linking to each other with vaporizer 15 gets into valve body assembly 1, flows into burner nozzle 3 by valve body assembly 1 again, and burner nozzle 3 sprays to gas the split fire head 12 of distributor 7 from air admission hole 11; Split fire head 12 is pressed to gas and is led fiery inclined-plane 10, and takes fire leading 10 places, fiery inclined-plane, and a large amount of gas fully burns combustion chamber 17 in by leading 10 ejection backs, fiery inclined-plane; The needed part oxygen of burning in the combustion chamber 17 is supplied with by secondary mixing wind through hole 13, and flame is 17 ejections from the combustion chamber, to being positioned over the heated body heating above the combustion chamber 17; Owing in the combustion chamber 17 high temperature is arranged; So its temperature is passed to vaporizer 15 through heat transfer chamber 16, will become gas from the liquid fuel heat that oil inlet pipe 14 flows into vaporizer 15 again, get into valve body assembly 1 from the escape pipe 18 that links to each other with vaporizer 15; Its flow size of knob 2 controls (being the firepower size) by valve body assembly 1; Can stop preheating work in chamber 22 this moment in advance, and to ending, the whole liquid fuel burner leans on the heat gasification liquid fuel of self; Burn while gasifying, heated object is heated.The effect of heat transfer device 23 is to accelerate to lean in the combustion chamber 17 temperature of bottom to pass to vaporizer 15, mainly is to accelerate the speed that firm igniting back liquid fuel becomes gas, shortens the gasification time.

Accompanying drawing 2a is the gasification installation front view, and accompanying drawing 2b is the gasification installation vertical view, and 19 is the combustion chamber inwall among the figure; 20 is the heat transfer chamber inwall, and 21 is the vaporizer inwall, and 23 is heat transfer device; 25 is annular bottom plate, gas after 10 ejections of the fiery inclined-plane of leading of

distributor

7,17 internal combustion in the combustion chamber; Combustion chamber temperature is passed to heat transfer chamber 16 through combustion chamber inwall 19, and the temperature in the heat transfer chamber 16 is passed to vaporizer 15 through heat transfer chamber inwall 20 then, will get into the liquid fuel heat gasification in the vaporizer 15 from oil inlet pipe 14; Get into valve body assembly by the escape pipe that links to each other with vaporizer again, form circulating burning like this, burn while gasify; Temperature in the preheating chamber 22 is passed to vaporizer 15 through vaporizer inwall 21, and the liquid fuel in the vaporizer 15 is gasified; The gasification time when shortening firmness has increased heat transfer device 23, and heat transfer device 23 contacts with heat transfer chamber inwall 20, and contact-making surface is big more, and it is fast more to conduct heat, and it is fast more to gasify; Annular bottom plate 25 is connected with burner, has secondary mixing wind through hole 13 on the annular bottom plate 25.

Accompanying drawing 3a is the heat transfer device front view, and accompanying drawing 3b is the heat transfer device vertical view, increases heat transfer device 23 and is in order to increase gasification rate, simultaneously the structure of heat transfer device 23 is made a tooth shape or shape of threads and can effectively control heat and transmit too fastly, causes in the vaporizer 15 temperature too high.

Accompanying drawing 4a is a spring-like annular heat transfer device front view, and accompanying drawing 4b is a spring-like annular heat transfer device vertical view, and its function and accompanying drawing 3a, accompanying drawing 3b are the same, are convenient to effectively control the heat transfer indoor temperature.

Accompanying drawing 5a is a gear-like heat transfer device front view, and accompanying drawing 5b is a gear-like heat transfer device vertical view, and its function and accompanying drawing 3a, accompanying drawing 3b are the same, are convenient to effectively control the heat transfer indoor temperature.

Accompanying drawing 6 is burner overall structure sketch mapes, and gas is ejected in from burner nozzle 3 and leads fiery inclined-plane 10 when taking fire, and can regulate the air distribution sheets 4 below the air distribution chamber 8 and changes the size of the wind distributing hole 6 on the burner carriage 5; Thereby control air intake what, can change flame combustion situation thus, flame is adjusted to the best; 9 is intake chute among the figure, and 12 is split fire head, when firm igniting; If when having a little liquid not have enough time to gasify; After 3 ejections of burner nozzle, get into intake chute 9, thus can be below air admission hole 11 flow to air distribution chamber 8; Gas by burner nozzle 3 ejection is got on the split fire head 12 through air admission hole 11, will the gas flame of leading the burning of 10 places, fiery inclined-plane evenly divide to around, guaranteed that there are enough flame and temperature in inwall 19 places in combustion chamber.

Accompanying drawing 7 is distributor structural representations.

Accompanying drawing 8a is an air distribution chamber front view, and accompanying drawing 8b is an air distribution chamber vertical view, can change the size of wind distributing hole 6 through regulating air distribution sheet 4, thereby control the air that gets into.

Accompanying drawing 9a is a burner carriage front view, and accompanying drawing 9b is a burner carriage vertical view.

Accompanying drawing 10a is an air distribution sheet front view;

Accompanying drawing 10b is an air distribution sheet vertical view;

Accompanying drawing 11a is the annular bottom plate front view;

Accompanying drawing 11b is the annular bottom plate vertical view.

Accompanying drawing 1 is the structural representation of specific embodiment of the present invention, and after liquid fuel got into vaporizer 15 from oil inlet pipe 14, the fuel of lighting in the preheating chamber 22 heated vaporizer 15; Liquid fuel gasification in the vaporizer 15 is become gas, slowly open the knob 2 of valve body assembly 1, light the gaseous fuel at 10 places, the fiery inclined-plane of leading of distributor 7 simultaneously; Take fire, temperature slowly raises in the combustion chamber 17, and through combustion chamber inwall 19 temperature is passed to heat transfer chamber 16; Temperature in the heat transfer chamber 16 is intermittently passed to vaporizer 15, and the liquid fuel in the vaporizer slowly becomes gas, intermittently burns with combustion chamber 17 to leading fiery inclined-plane 10 from valve body assembly 1 through escape pipe 18; This moment, the burning beginning was acutely got up, and the temperature of combustion chamber 17 further raises, and the temperature of passing to vaporizer 15 also increases; Gasification evenly, fully get up after vaporizer 15 temperature reach a certain number, just remains on this number basically; Because adopt air to conduct heat, the amplitude of temperature oscilaltion is very little, burning is in stable state.Along with not breaking off of valve is big, the liquid fuel of entering increases, and gas is stopped the gas that comes out at 15 places, chamber and increased; It is violent that burning aggravation, firepower constantly become, and strengthens gasification result conversely again; Regulate air distribution sheet 4; Thereby change the size of wind distributing hole 6,, reach and regulate best air distribution and realize best firepower with the change air distribution what.

Manufacturing approach of the present invention and product also can have other various embodiments, and its purposes very extensively almost can be suitable for all liq fuel, like diesel oil, kerosene, alcohol radical fuel combination etc.

Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims

1. liquid-fuel burner; Form by burner, gasification installation, preheating chamber, heat transfer device, valve body assembly; It is characterized in that: gasification installation is installed on the burner; Valve body assembly one end links to each other with the gasification installation outlet side, and the other end links to each other with burner in the burner, burner by distributor, split fire head, lead fiery inclined-plane, air distribution chamber, intake chute, burner, burner carriage, air distribution sheet and form.

2. according to the said liquid-fuel burner of claim 1; It is characterized in that: gasification installation is made up of vaporizer, heat transfer chamber, combustion chamber; Its structure is the hollow cavity of column annular, and the hollow cavity of column annular is up big and down small or up-small and down-big, and perhaps size is the same up and down; Vaporizer, heat transfer chamber, combustion chamber specifically are distributed as a skin that is positioned at another, wrap up layer by layer, and the combustion chamber is positioned at the innermost layer, and the skin of combustion chamber is a heat transfer chamber, and the skin of heat transfer chamber is a vaporizer.

3. according to the said liquid-fuel burner of claim 1, it is characterized in that: vaporizer is the airtight hollow cavity of column annular; Be distributed with 1～10 heat transfer chamber between vaporizer and the combustion chamber, comprise 1 and 10.

4. according to the said liquid-fuel burner of claim 1, it is characterized in that: vaporizer inwall and its center line form an angle, and the angle angle is 0～90 degree, comprise 0 degree and 90 degree; Heat transfer chamber inwall and its center line form an angle, and the angle angle is 0～90 degree, comprise 0 degree and 90 degree; Combustion chamber inwall and its center line form an angle, and the angle angle is 0～90 degree, comprise 0 degree and 90 degree.

5. according to the said liquid-fuel burner of claim 1, it is characterized in that: combustion chamber and vaporizer, heat transfer chamber height one are to perhaps being higher than vaporizer and heat transfer chamber or being lower than vaporizer and heat transfer chamber; Oil inlet pipe and escape pipe are housed on the vaporizer, and the height of escape pipe is identical with oil inlet pipe or be higher than oil inlet pipe; The bottom, combustion chamber has an annular bottom plate to link to each other, and has secondary mixing wind through hole near the combustion chamber inwall on the annular bottom plate; Bottom, combustion chamber annular bottom plate links to each other with burner.

6. according to the said liquid-fuel burner of claim 1; It is characterized in that: lead fiery inclined-plane and its center line forms an angle; The angle angle is 0～90 degree, comprises 0 degree and 90 degree, shape such as horn-like; Split fire head is positioned at the burner center, split fire head and lead between the fiery inclined-plane and to form the flat-shaped mesopore of giving vent to anger of annular.

7. according to the said liquid-fuel burner of claim 1, it is characterized in that: intake chute is positioned at leads lower end, fiery inclined-plane, and its structure is the annular ditch groove shape, and the position is lower than transverse plane on the air admission hole.

8. according to the said liquid-fuel burner of claim 1, it is characterized in that: the air distribution chamber is the hollow cavity of taper, and its inclined-plane and center line form an angle, and the angle angle is 0～90 degree, comprises 0 degree and 90 degree, and the burner carriage links to each other with bottom, air distribution chamber.

9. according to the said liquid-fuel burner of claim 1, it is characterized in that: the heat transfer device of ring structure is housed in the heat transfer chamber, and heat transfer device is connected with heat transfer chamber both sides inwall; The height of heat transfer device is lower than the height on the heat transfer chamber.

10. according to the said liquid-fuel burner of claim 1, it is characterized in that: heat transfer device is the column annular solid, and the inside and outside annular face of heat transfer device contacts for the face face with the heat transfer chamber both sides; Perhaps heat transfer device is the spring-like annular ring that pole curves; Perhaps heat transfer device is silk tooth shape or screw-shaped column annular solid, and heat transfer device is that annular silk tooth shape or shape of threads contact with the heat transfer chamber both sides; Perhaps heat transfer device is that gear-like body above-below direction links to each other in the heat transfer chamber inwall.