CN102155747A - Double-door double-control secondary air entering complete combustion technology - Google Patents
Double-door double-control secondary air entering complete combustion technology Download PDFInfo
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- CN102155747A CN102155747A CN2011100896222A CN201110089622A CN102155747A CN 102155747 A CN102155747 A CN 102155747A CN 2011100896222 A CN2011100896222 A CN 2011100896222A CN 201110089622 A CN201110089622 A CN 201110089622A CN 102155747 A CN102155747 A CN 102155747A
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- combustion chamber
- secondary air
- door
- combustion
- flue
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- 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
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Abstract
The thinking of the invention aims at making combustion complete as far as possible and reducing harmful heat dissipation loss as far as possible. A T-shaped hearth structure leads fuels in a first combustion chamber to incompletely burn at an anaerobic condition and take on dark red flames, and leads combustible gas to be fully and completely burned again at a second combustion chamber and take on pure white flames, thereby leading the assumption of the complete combustion to be realized; a method of preheating secondary air is used for minimizing the heat dissipation of a furnace shell, reducing the excess air entering the hearth and maximizing the heat dissipation of a chimney, thereby minimizing the harmful heat dissipation loss. Compared with a common cooking range, the hearth structure saves fuels by two thirds in the real using process and saves cooking time by one third and is one of the most ideal household solid fuel combustion equipment.
Description
Technical field
The present invention relates to a kind of home-use solid fuel cooker, kitchen range, relate to stove, the kitchen range of secondary air specifically.
Background technology
Secondary air intake furnace of the prior art, cross-sectional diameter that its maximum characteristics are formed secondary combustion chambers behind the secondary air and flue consistent otherwise than flue for little, formed combustion chamber volume is all less.Such design is used on coal furnace, because overfiren air port is too near the bottom of a pan, certainly will cause the fuel gas that rises in the burner hearth not contact and just run into the cold the bottom of a pan with secondary wind as yet, temperature does not reach burning-point and can not burn again, thereby just makes the combustion-supporting effect of secondary air have a greatly reduced quality yet; Such design is used on biomass fuel stoves such as combustion bavin, tangerine bar, if flue diameter less (such as burning bavin) with coal stove, flare is very prosperous very high when burning (being that bowl is not placed in the stove top) at sky, in a single day can place bowl and get on just to have very big black smoke, this is because the too little result that can not allow fuel gas fully burn inside and can only burn away above the stove of not placing bowl of second combustion chamber volume; At this moment in order to make second combustion chamber have bigger volume space just to have only the enlarged diameter of burner hearth (being flue), in case and burner hearth big (diameter that is flue is bigger), then the consumption bavin amount of stove will become greatly thereupon, can not reach the purpose of province's bavin so again.The secondary air channel that has (or chamber) just is set directly at the flue outside that does not add any insulation protection, though secondary wind can obtain higher temperature, but also therefore more serious reduction the temperature of burner hearth (or first combustion chamber) lining, have a strong impact on the effect of fuel in the burning of burner hearth (or first combustion chamber) lining, gasification, first combustion chamber is only main chamber after all, as if second combustion chamber is an auxiliary combustion chamber, is that the mistake of putting the cart before the horse is violated in the secondary wind design of cost with the temperature that reduces by first combustion chamber.Design and an air intake of the secondary air that also has are controlled by same fire door, and this is an air intake secondary use at last in fact, is not really secondary air truly.In addition, too much secondary wind can cause above the needed air capacity of burning and enter stove, these excess airs are can not participate in burning, they only can be heated the back and take away a large amount of heat energy by chimney in stove, cause unnecessary heat loss, existing secondary air stove is not all considered this factor of excess air.
Summary of the invention
The object of the present invention is to provide a kind of stove, all solid fuels such as it can coal combustion, bavin, tangerine bar with two-door two control secondary air completing combustion technology.
The difference of the present invention and prior art maximum just is, the second combustion chamber cross-sectional diameter of the present invention is obviously greater than the cross-sectional diameter of first combustion chamber, then be that both are identical or the former is less than the latter in the prior art, thereby second combustion chamber of the present invention just can have a bigger volume space, secondary wind has time enough and space here and fully stirs, mixes, completing combustion then from the unburnt fuel gas of the first combustion chamber rising edge.Burner hearth of the present invention is " T " font structure from the longitudinal axis cross section, it is exactly first combustion chamber of the present invention that one of T word erects, its diameter is less, thereby tool is in the function of powerful gathering heat, make the combustion chamber of winning have than prior art exceed 200 ~ 300 the degree high temperature, fuel here is fully burned, gasifies, and flame generally can be kermesinus in first combustion chamber, shows that burning is in anaerobic condition; The T word one horizontal be exactly second combustion chamber of the present invention, it has a horizontal bigger space, having fully independently, secondary air leads to wherein, the unburnt fuel gas in first combustion chamber here with enough through preheating air obtain completing combustion after fully stirring, mixing, flame presents pure white, this shows complete, the smokeless and extreme temperatures of burning, the flame export that has a direction to make progress in the middle of that horizontal stroke of T word, thermal-flame washes away the bottom of a pan here, is utilized effectively.
In general the shell of body of heater all can have a large amount of heats to scatter and disappear, and this is the heat loss that is harmful to, and the present invention just utilizes a shell that these heat radiations are fenced up, and allows secondary wind therefrom pass through, obtain higher temperature through preheating secondary wind, and also reduced by the furnace shell dispersed heat thereupon.
Cause in the excess air and exceed standard in order not allow too much air enter burner hearth, the present invention adopts two-door pair of control techniques, promptly for the first time air intake and for the second time air intake by two fully independently air inlet system controls, first air door control air enters first combustion chamber from the below of fire bars, allow fuel carry out imperfect combustion under the anaerobic condition in first combustion chamber, second air door control air enters cavity from the below of furnace wall and enters second combustion chamber through after the preheating, here fuel gas just can reach completing combustion, regulate secondary air register, allow suitable secondary wind guarantee excess air in allowed limits, thereby guarantee to reach minimized from the chimney radiation loss.
Whole invention thinking of the present invention allows burning complete as much as possible exactly, allows harmful radiation loss reduce as much as possible.The chamber structure of T font, imperfect combustion is kermesinus flame under the anaerobic condition carrying out in first combustion chamber to allow fuel, fuel gas in second combustion chamber more fully completing combustion be pure white flame, thereby allow the imagination of completing combustion be achieved; Utilize the method for preheating secondary wind to allow the heat radiation of furnace shell reach minimized, reduce excess air and enter burner hearth and reach minimized, thereby allow harmful radiation loss reach minimized by the chimney heat radiation.The present invention than common cooking stove fuel savings more than 2/3, saves the cooking time more than 1/3 in actual use, is one of ideal solid fuel ignition equipment of family so far.
Description of drawings
Fig. 1 is a longitudinal axis schematic cross-section of the present invention, wherein:
1-fire-collection ring, 2-the second combustion chamber, 3-secondary wind inleting tube, 4-shell, 5-cavity, 6-heat-insulation layer, 7-flue, 8-the first combustion chamber, 9-fire bars, 10-secondary air register, 11-main air intake.
Specific embodiment
Than first combustion chamber (8) of minor diameter and the burner hearth of larger-diameter second combustion chamber (2) formation T font structure, top, second combustion chamber converges on fire-collection ring (1), the diameter of fire-collection ring (1) is identical or smaller with flue (7), make flame clean a pot at the end through the overbunching backlash herein, the height of second combustion chamber (2) depends on the circumstances, be typically chosen between 2cm ~ 10cm, when aiming at coal-fired the design, suitable shorter, aiming at the combustion bavin, to design appropriate to the occasion height a little, and the general 4cm ~ 5cm that selects is advisable when using with.In order to make the combustion chamber of winning (8) that a higher temperature be arranged, insulating (6) is made with asbestos or expanded perlite in flue (7) outside, between heat-insulation layer (6) and the furnace shell (4) cavity around whole body of heater (5), cavity (5) upper end has secondary wind inleting tube (3) to lead to second combustion chamber (2), lower end by the straight-through atmosphere of secondary air register (10), secondary air register is preferably controlled, if the rational words of its size design are open type fully also, the most extreme a kind of be it can be the whole of the no end of whole cavity (5).Main air intake (11) is positioned at the lower end of whole stove, enter first combustion chamber (8) by wind of its control through fire bars (9) below, but it is a damper.
Correct using method of the present invention is to put fuel into flue (7) from the top of stove earlier, charging from the bottom up, jam-pack, according to select what of charging with the length of fire time, to fill and lead up flue (7) is the best, put a little inflammable essence material then in the above, adopt the mode of the reverse burning of top igniting to burn.
In order to add the convenience of material midway, can offer a dog-house in the side of second combustion chamber (2), but and install a switch the door to control its closure.
In general chimney should be installed in the above position of fire-collection ring, but do not get rid of the possibility that is positioned on side, second combustion chamber (2), at this moment fire-collection ring has not in fact existed, and is fine though do like this, but can influence effect of combustion, be difficult to reach the purpose of completing combustion.
For the convenience of mobile stove, can on furnace shell, suitable place be installed by handle; Also can be below stove installation foot, in case furnace bottom because of moist become rusty bad.
Claims (10)
1. two-door two control secondary air completing combustion technology, mainly form by fire-collection ring (1), flue (7), first combustion chamber (8), second combustion chamber (2), secondary wind inleting tube (3), cavity (5), main air intake (12), secondary air register (11) etc., it is characterized in that there is bigger second combustion chamber (2) of a volume top that is right after flue (7), secondary air channel (3) feeds wherein, and the longitudinal axis cross section of whole burner hearth (comprising first combustion chamber and second combustion chamber) presents " T " font structure.
2. two-door two control secondary air completing combustion technology according to claim 1, it is characterized in that second combustion chamber (2) is the hollow structure of a column or platform shape, the side of its side and flue is similar, promptly be all column or platform shape, the diameter of cross section is bigger than the diameter of flue (7) cross section, and its height is between 1cm ~ 10cm.
3. two-door two control secondary air completing combustion technology according to claim 1, it is characterized in that secondary wind inleting tube (3) is several pipes or square tube, they lead directly to the bottom into second combustion chamber (2), diameter is that the best, quantity are the best about 2cm between 12 ~ 18 more than 1cm.
4. two-door two control secondary air completing combustion technology according to claim 1 is characterized in that and then flue (7) outside wraps in the heat-insulation layer (6) that one deck is made up of asbestos or expanded perlite etc.
5. two-door two control secondary air completing combustion technology according to claim 1, it is characterized in that a cavity around whole body of heater (5) is arranged between heat-insulation layer (6) and stove shell (4), the top of cavity (5) has secondary wind inleting tube (3) to lead to second combustion chamber (2), and the below of cavity (5) has secondary air register (11) to lead directly to atmosphere.
6. two-door two control secondary air completing combustion technology according to claim 1, it is characterized in that top, second combustion chamber (2) converges on a fire-collection ring (1), the diameter of fire-collection ring (1) is identical with flue or littler than the flue, and fire-collection ring (1) top is placed one again and can be shelved the device of bowl class.
7. two-door two control secondary air completing combustion technology according to claim 1 is characterized in that the side of secondary combustion chamber can be provided with a feeding door, so that add fuel to stove at any time.
8. two-door two control secondary air completing combustion technology according to claim 1 is characterized in that chimney interface can be installed in the side of second combustion chamber (2), and at this moment, the top of second combustion chamber can be empty, directly places the pot body.
9. two-door two control secondary air completing combustion technology according to claim 1, it is characterized in that main air intake (11) and secondary air register (10) are two separate shutters, the air that enters from these two doors only can meet in second combustion chamber (2), wherein main air intake (11) but be damper, it is installed in the lower end of whole stove, can strict control enter from fire bars (9) below first combustion chamber (8) air capacity what, secondary air register (10) is the air door of controlled or complete open type, it is positioned at the bottom of cavity (5), and an extreme way is that secondary air register (10) can be that cavity (5) lower end does not have the whole of the end.
10. two-door two control secondary air completing combustion technology according to claim 1, what it is characterized in that the body of heater shell suitably can be to install handle, and the bottom of stove is equipped with pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100896222A CN102155747A (en) | 2011-04-11 | 2011-04-11 | Double-door double-control secondary air entering complete combustion technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100896222A CN102155747A (en) | 2011-04-11 | 2011-04-11 | Double-door double-control secondary air entering complete combustion technology |
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| CN102155747A true CN102155747A (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100896222A Pending CN102155747A (en) | 2011-04-11 | 2011-04-11 | Double-door double-control secondary air entering complete combustion technology |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213641U (en) * | 1987-09-25 | 1988-07-06 | 李国栋 | Multi-purpose honeycomb briquet stove |
| CN88212366U (en) * | 1988-04-02 | 1988-10-19 | 滕金根 | Coal-saving quick stove |
| CN201184612Y (en) * | 2007-12-17 | 2009-01-21 | 李勇 | Coal range furnace |
| CN201215333Y (en) * | 2008-04-21 | 2009-04-01 | 何天俊 | Combination energy-conserving thermal insulation stove |
| WO2011004072A1 (en) * | 2009-07-10 | 2011-01-13 | Narvi Oy | Firebox |
-
2011
- 2011-04-11 CN CN2011100896222A patent/CN102155747A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213641U (en) * | 1987-09-25 | 1988-07-06 | 李国栋 | Multi-purpose honeycomb briquet stove |
| CN88212366U (en) * | 1988-04-02 | 1988-10-19 | 滕金根 | Coal-saving quick stove |
| CN201184612Y (en) * | 2007-12-17 | 2009-01-21 | 李勇 | Coal range furnace |
| CN201215333Y (en) * | 2008-04-21 | 2009-04-01 | 何天俊 | Combination energy-conserving thermal insulation stove |
| WO2011004072A1 (en) * | 2009-07-10 | 2011-01-13 | Narvi Oy | Firebox |
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Application publication date: 20110817 |