CN201964467U - Mixed fuel furnace system - Google Patents
Mixed fuel furnace system Download PDFInfo
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- CN201964467U CN201964467U CN2011200015422U CN201120001542U CN201964467U CN 201964467 U CN201964467 U CN 201964467U CN 2011200015422 U CN2011200015422 U CN 2011200015422U CN 201120001542 U CN201120001542 U CN 201120001542U CN 201964467 U CN201964467 U CN 201964467U
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Abstract
The utility model discloses a mixed fuel furnace system which comprises a stove and a liquid fuel supply device connected with the stove, wherein the stove is also connected with a gas fuel supply device; the stove is internally provided with a vaporizing cavity; the liquid fuel supply device is connected with the vaporizing cavity by a liquid transport tube and a one-way device; the outlet of the vaporizing cavity is connected with a vaporizing spray head arranged at the lower part of a furnace chamber; the bottom of the furnace chamber is provided with an air inlet channel which is internally provided with a gas fuel nozzle; the gas fuel supply device comprises a solid fuel smoldering barrel and an oxygen supply device; a sealing cover is arranged at an opening on the top of the smoldering barrel; the bottom of the smoldering barrel is provided with an ignition device and an ash hole; and the upper part of the smoldering barrel is also provided with a flue gas outlet which is connected with the gas fuel nozzle by a gas transport tube. The mixed fuel furnace system effectively solves the problems of low combustion efficiency of fuel and serious environmental pollution of the existing solid fuel furnace; and compared with the common liquid fuel furnace, the mixed fuel furnace system saves about 45% of fuel at most.
Description
Technical field
The utility model relates to a kind of stove and accessory system, especially a kind of fuel combination furnace system that can utilize the energy-saving and environmental protection that firewood, agricultural crop straw act as a fuel.
Background technology
The stove of prior art uses single solid, liquid or gaseous fuel mostly, for solid fuel, especially the solid fuel of plant class, the stove of prior art adopts the directly mode of burning mostly, this mode imperfect combustion occurs easily and produces a large amount of black smokes at fuel combustion process, has not only wasted a large amount of fuel, has also polluted environment, some fuel gas of following combustion process to produce are in addition also directly discharged with flue gas easily, thereby have reduced the utilization rate of fuel.And in the rural area, a large amount of crop material that crops harvesting back produces etc. are not because its combustion heat value is not high, and the peasant is unwilling to act as a fuel and uses and become rubbish or directly destroyed by fire, has not only polluted environment, also causes the waste of resource.Though the factory that can utilize this class vegetable garbage generating is also arranged, the stove in existing this class power plant also directly burns this mode by rubbish and moves, and therefore, inefficient and problem of environmental pollution exists equally.Open day is on July 22nd, 2009, publication number is that the Chinese patent file of CN201277694Y discloses a kind of fuel combination multiple duct oxygen supply power economized boiler, comprise body of heater, combustion chamber, oxygen supply storehouse, air blast, air-introduced machine, fume emission passage, the oxygen supply pipeline of described air blast sets up two-way separately, one road pipeline is communicated with the mist inlet that the combustion chamber sidepiece is provided with, and another road is communicated with the oxygen supply storehouse of fire bars below.Compare with conventional boiler, this boiler can buring solid fuel burning gases fuel or cheap liquid fuel simultaneously, guarantee the abundant burning of various fuel by the ventilation of controlling each air channel.The solid fuel of this boiler adopts traditional combustion method, does not solve problem of environmental pollution.Open day be that the patent document that May 20, publication number in 2009 are CN101435573A discloses a kind of material mixing suspension combustion process of boiler biomass fuel pressurization air, include: with the broken powder process of biomass fuel, granularity is 0.5-2.0mm; Utilize existing boiler observation port that nozzle is installed, to send into the powdery biomass fuel of entrained air; Agricultural crop straw or waste paper are put into indoor the lighting of boiler combustion as kindling make furnace temperature reach 450 ℃, send into the powdery biomass fuel; It is indoor that the powdery biomass fuel is delivered into boiler combustion by pressure air mixing duct and nozzle, and wherein material is 1 to 1500～2000 with the volume ratio of air; Send the indoor disposable suspension combustion of powdery biomass fuel of boiler combustion to, stove internal combustion temperature reaches 1050 ℃～1100 ℃.This method is not changing on the basis that has boiler structure now, and also can directly put in the existing boiler with biomass fuel replacement traditional fuel and use, because in advance with biomass fuel fragmentation powder process, so it is relatively complete to burn.But this method needs elder generation with the broken powder process of biomass fuel, and cost is very high, and this method only is applicable to boiler simultaneously, can't use at rural area every household, in addition, be easy to generate a large amount of dust behind pulverous biomass fuel combustion, and environmental pollution is very big.
The utility model content
The utility model provides a kind of fuel economy height, fuel combination furnace system low in the pollution of the environment for the fuel economy problem low, that environmental pollution is serious that solves present solid fuel cooker and exist.
The utility model is to reach the concrete technical scheme that above-mentioned technical purpose adopts to be: a kind of fuel combination furnace system, comprise a stove and accessory and the liquid fuel feeding mechanism that is connected with stove and accessory, also be connected with gas fuel supply device on the described stove and accessory, stove and accessory comprises combustion chamber, be provided with furnace chamber in the combustion chamber, be provided with vaporization chamber in the furnace chamber, the liquid fuel feeding mechanism passes through woven hose, non-return device connects vaporization chamber, the outlet of vaporization chamber connects the vaporization shower nozzle that is arranged on the furnace chamber bottom, the bottom of furnace chamber is provided with air inlet duct, be provided with gaseous fuel jets in the air inlet duct, described gas fuel supply device comprise solid fuel glow the bucket and apparatus of oxygen supply, the opening part at barrel top of glowing is provided with seal cover, the bottom is provided with ignition device and ash hole, glow the bucket top also be provided with exhanst gas outlet, exhanst gas outlet is connected with gaseous fuel jets by appendix.A lot of solid matters as crop material, cavings, paper, sawdust, fabric and some porous thermosetting plastics etc., all might glow, particularly when they are piled up.Glowing is a kind of form of solid combustion, is the smoulder of no visible light, produces phenomenons such as cigarette and temperature rising usually, and the difference of it and flaming combustion is no flame, and it and aphlogistic difference are thermal decomposition to go out combustible gas.The utility model utilizes crop material, cavings, the sawdust the like waste, the characteristics of utilizing it to glow easily, bucket glows it by glowing, the interior flue gas (carbon particulate) that produces of the bucket that will glow then, combustibles such as carbon monoxide are introduced liquid fuel vaporizing burner by appendix, the high temperature and the flame that utilize liquid fuel combustion to produce, make flue gas, combustibles such as carbon monoxide fully burn, such burning is quite complete, the black smoke that does not have the sort of direct buring solid fuel to produce, therefore it not only to have solved the solid fuel ignition efficient of prior art low, the problem that environmental pollution is serious, can also make full use of crop material, cavings, the sawdust the like waste, those vegetal rubbish also can adopt structure of the present utility model to be used even, under the prerequisite of equal firepower, can reduce the use amount of liquid fuel significantly, save the energy effectively.The seal cover at barrel top of glowing can be opened and be used to add solid fuel, the ash hole of bottom is used to discharge ashes, ignition device is used to light solid fuel, apparatus of oxygen supply can be given in the bucket that glows air is provided, guarantee that barrel interior solid-fuelled glowing continues to carry out, can also regulate the size of oxygen-supplying amount simultaneously and control barrel interior solid-fuelled speed of glowing of glowing.In addition, the ashes that the bucket that glows produces can also use for proportion of crop planting as organic fertilizer, have also reduced the crop planting cost.Need to prove, structure of the present utility model can be used liquid fuel work separately, solid fuel glow do not begin or unsettled situation under also can normally use, avoided traditional stove and accessory little and influence the situation of stove and accessory operate as normal when big when solid fuel ignition because during firepower.
As preferably, furnace chamber top is provided with some flow deflectors, wherein the inside of at least one flow deflector is the vaporization chamber of hollow structure, the flow deflector outside is provided with the flow-disturbing ring that is provided with around flow deflector near the position of furnace chamber wall, the ring body of described flow-disturbing ring is the shape structure in the shape of a spiral, and the spiral shell crack of described helical structure is percent 25 to percent 55 of a described helical structure external diameter.The effect one of flow deflector is a steering current, and the burning fire seedling is evenly distributed, and improves the thermal effect that adds of stove and accessory, and vaporization chamber is provided with the inside of flow deflector, can make full use of ready-made flow deflector structure liquid fuel evaporation need not be provided with vaporization chamber in addition; The 2nd, liquid fuel and flue gas after the vaporization are mixed, guarantee the combustion efficiency of fuel.The effect of flow-disturbing ring is that near the flow direction of the mixed fuel gas furnace wall changed, thereby improves two kinds of uniformity coefficients after the fuel mix, helps improving the stability of stove and accessory flame simultaneously.In addition, the spiral shell crack of flow-disturbing ring helical structure and the external diameter of helical structure need certain proportionate relationship, and the ratio of the external diameter of spiral shell crack and helical structure is too little, and air-flow is difficult for passing through; And ratio is too big, then " flow-disturbing " of flow-disturbing ring effect is not obvious, so excessive or too small effect that does not all reach the stability that improves stove and accessory flame of this ratio, spiral shell crack described here, be meant the gap that can allow air communication cross between the two adjacent rings spiral, it numerically deducts the diameter or the thickness of helical structure material therefor less than the pitch of helical structure for the pitch of helical structure.
As preferably, flow deflector is 3 to 5, and flow deflector is inverted V-shaped, is provided with vaporization chamber in two or more flow deflectors, and described vaporization chamber is that serial or parallel connection connects, and the import of vaporization chamber and outlet are separately positioned on the open side two ends of v-shaped structure flow deflector.The central authorities that the flow deflector top connection of inverted V-shaped and junction are positioned at furnace chamber top, the bottom of flow deflector separates and evenly is arranged on the position of the close furnace chamber wall in furnace chamber middle part.Because being umbrella usually, flow deflector integral body arranges, therefore flow deflector connects into high in the middle of forming, the low structure all around of umbrella-shaped structure, and single flow deflector is inverted V-shaped, because the outlet of liquid fuel inlet and vaporization back liquid fuel all is arranged on the bottom of combustion chamber usually, therefore, adopt the flow deflector of inverted V-shaped structure because its openend is lower, the two ends of opening are connected with the outlet of liquid fuel inlet or vaporization back liquid fuel easily.Usually use 3 to 5 flow deflectors just can satisfy the needs of general stove and accessory.Being provided with of vaporization chamber in the flow deflector can be determined according to the actual conditions of stove and accessory, stove and accessory be provided with vaporization chamber than hour common only need and just can meet the demands in a flow deflector, also can in two or more flow deflectors, vaporization chamber be set simultaneously, this moment, vaporization chamber can connect for serial or parallel connection, its liquid fuel evaporation temperature of the structure that is connected in series is higher, compare with single vaporization chamber, combustion efficiency is better, but spray vapour amount can significantly not increase; Its spray vapour amount of the structure that is connected in parallel significantly increases, and is applicable to bigger stove and accessory.Need to prove that though the top of each flow deflector interconnects, the vaporization chamber that is provided with separately in the flow deflector is not communicated with in this junction, the serial or parallel connection of vaporization chamber all is that the import by vaporization chamber is connected accordingly with outlet.
As preferably, the below of air inlet duct is connected with the flue gas cushion chamber, and the flue gas cushion chamber is horn-like structure, the opening of horn-like structure down, the height of flue gas cushion chamber is greater than the height of combustion chamber.The flue gas cushion chamber can play cushioning effect to the flue gas of gaseous fuel jets ejection, when the ejection exhaust gas volumn is big, partial fume can gather downwards, make it temporarily rest on the below of furnace chamber, and reenter furnace chamber with the stove and accessory air intake, can avoid flue gas outwards to walk around the furnace chamber of combustion chamber and directly discharge like this, when flue gas is outwards walked around the furnace chamber of combustion chamber and is directly discharged, because flue gas is not by ignition combustion, therefore not only wasted fuel, but also can cause that stove and accessory smolders, influence the use of stove and accessory.
As preferably, non-return device comprises spray orifice, and spray orifice is arranged on the junction of vaporization chamber and woven hose, and the diameter of described spray orifice is less than the internal diameter of woven hose.The spray orifice here also has the effect with liquid fuel atomization except single effect, help the vaporization of liquid fuel.When adopting jet orifice structure, when the diameter of spray orifice is significantly less than the internal diameter of woven hose, the fuel gas of vaporization is subjected to the dual of spray orifice and liquid fuel pressure and stops in the vaporization chamber like this, can flow to shower nozzle, and can not flow backwards to woven hose, therefore can play the effect that prevents that fuel from flowing backwards.By simple jet orifice structure, save the check valve of traditional gasification burner like this, improved work efficiency, also saved cost.In addition, non-return device also can adopt nozzle, and nozzle self possesses and prevents that fuel from flowing backwards and with the double action of fuel atomization.
As preferably, the vaporization shower nozzle is arranged on the bottom of furnace chamber, and described gaseous fuel jets is arranged on the below of vaporization shower nozzle.It is in order to make full use of the air-flow of vaporization shower nozzle ejection that gaseous fuel jets is placed the below of vaporization shower nozzle, liquid fuel after making flue gas and vaporizing fully mixes, reach the clean-burning purpose of flue gas, simultaneously, flue gas with the vaporization after liquid fuel fully mix, improved the combustion rate of flue gas, can also make the combustion flame of stove and accessory more stable.
As preferably, the ring body of flow-disturbing ring is coil spring shape in the form of sheets, the ring body material of flow-disturbing ring is flat flake structure, the helical spring spiral shell of described sheet crack is percent 30 to percent 50 of a described sheet spring outside coil diameter, and the helical spring internal diameter of described sheet is percent 20 to percent 40 of a described sheet spring outside coil diameter.The flow-disturbing ring constitutes a circulus on the whole, ring body itself is structure in the shape of a spiral, sheet coil spring shape described here is meant the ring body structurc of flow-disturbing ring, and the material that constitutes helical structure is a flake structure, and the sheet plane of this flake structure promptly is similar to the structure of the packing auger blade of mechanical field on the direction vertical with helical structure center line cardinal principle.The fuel gas that is in the furnace chamber bottom rises when touching the flow-disturbing ring of this structure, fuel gas can rotate in certain scope, thereby the air-flow in the stirring furnace chamber, multiple fuel gas is fully mixed, effectively improved the combustion rate of fuel gas, also made the combustion flame of stove and accessory more stable simultaneously.Spiral shell crack described here is meant the gap that can allow air communication cross between adjacent two helical spring sheets, and it numerically deducts the thickness of helical spring sheet material therefor less than helical spring pitch for pitch; Flake structure described here, the thickness that is meant sheet helical spring material therefor are much smaller than the helical spring pitch of sheet, and the thickness of sheet helical spring material therefor is not more than 1/10th of the helical spring pitch of sheet usually.
As preferably, the V-shaped structure in bucket bottom of glowing, described ignition device is the heating tube that is arranged on the v-shaped structure bottom, the bottom of v-shaped structure connects ash hole.Glow bucket bottom v-shaped structure on the one hand for fuel igniting and the wind direction of apparatus of oxygen supply plays guide effect, can make the ashes after solid fuel glows discharge the bucket that glows smoothly on the other hand.
The combustion method of fuel combination furnace system comprises following feature or step usually:
A. use liquid fuel and solid fuel simultaneously, wherein solid fuel is the fuel that contains string;
B. liquid fuel pressurization back directly enters vaporization chamber in the stove and accessory by non-return device, and overflow from the vaporization shower nozzle at last, the ignited fuel that will overflow, the heat that fuel combustion produces makes the liquid fuel evaporation in the vaporization chamber, liquid fuel after the vaporization makes stove and accessory be in fired state by vaporization shower nozzle ejection burning;
C. solid fuel put into glow the bucket and compress, the solid fuel volume after compressing in the bucket that glows is no more than 85% of barrel volume that glows;
D. the ignition device of opening the bucket bottom of glowing glows the solid fuel in the bucket that glows, and closes ignition device after solid fuel glows and opens apparatus of oxygen supply, regulates intake and makes the solid fuel in the bucket that glows keep the state that glows;
E. the glow flue gas that produces of solid fuel enters the air inlet duct of stove and accessory by appendix, gaseous fuel jets, and in furnace chamber with the naked light mixed combustion of liquid fuel combustion, control enters the ratio of the flue gas and the liquid fuel of stove and accessory, and the flue gas that enters stove and accessory is fully burnt.
As preferably, put into the bucket and when compressing of glowing at solid fuel, several passages are set in solid fuel, the opening of passage is positioned at solid-fuelled upper surface, the lower end is positioned at the inner and close solid-fuelled bottom of solid fuel, and described flue gas is 0.5 to 1 with the volume ratio of vaporization back liquid fuel.Can be when passage is set by in the bucket that glows, placing column such as waddy in advance, put into solid fuel again and compress after waddy is extracted out, will stay vent hole structure like this in solid fuel inside, help solid fuel the oozing out of fuel gas afterwards of glowing.In addition, the volume ratio of flue gas and vaporization back liquid fuel is controlled between 0.5 to 1 usually, and the flue gas ratio is too high, will cause smoke combustion insufficient, produce black smoke and the firepower of stove and accessory is reduced, and the flue gas ratio be low excessively, will strengthen the use amount of liquid fuel, not reach obvious energy-saving effect.
The beneficial effects of the utility model are: the fuel economy that it has solved present solid fuel cooker existence effectively is low, the problem that environmental pollution is serious, the utility model makes solid fuel glow earlier, to glow then liquid fuel mixed combustion after the fuel gas that produces and the vaporization, thereby reach and solid fuel is fully burnt and do not produce the purpose of environmental pollutions such as black smoke, the utility model is adapted to various vegetalitas solid fuels, comprise crop material, cavings, sawdust, the branch leaf, waste paper, vegetable garbage and some waste or used plastics etc., under the prerequisite of equal firepower, can reduce the use amount of liquid fuel significantly, effectively utilized discarded object, reduce environmental pollution and saved the energy, compare with present common liquid fuel range, can save the fuel about 45% at most, have remarkable economical and social benefit.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model fuel combination furnace system.
Fig. 2 be the utility model fuel combination furnace system glow the bucket a kind of structure cutaway view.
Fig. 3 is a kind of structure cutaway view of the utility model fuel combination furnace system combustion chamber.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is a kind of structure cutaway view of the utility model fuel combination furnace system non-return device.
Fig. 6 is the another kind of structure cutaway view of the utility model fuel combination furnace system combustion chamber.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings the specific embodiment of technical solutions of the utility model is further described.
Embodiment 1
In embodiment shown in Figure 11, a kind of fuel combination furnace system, comprise a stove and accessory 1 and the liquid fuel feeding mechanism 26 and the gas fuel supply device that are connected with stove and accessory, described stove and accessory comprises combustion chamber, be provided with furnace chamber in the combustion chamber, be provided with the liquid fuel evaporation chamber in the furnace chamber, the liquid fuel feeding mechanism is by woven hose 5, non-return device connects vaporization chamber, the outlet of vaporization chamber connects the vaporization shower nozzle that is arranged on the furnace chamber bottom, the bottom of furnace chamber is provided with air inlet duct, be provided with gaseous fuel jets in the air inlet duct, described gas fuel supply device comprises the solid fuel bucket 10 and apparatus of oxygen supply 13 that glows, apparatus of oxygen supply is the air extractor that is arranged on the appendix, the opening part at barrel top of glowing is provided with seal cover 11, the bottom is provided with ignition device and ash hole, and the top of the bucket that glows also is provided with exhanst gas outlet 15, and exhanst gas outlet passes through air extractor, gaseous fuel jets in appendix 16 and the stove and accessory is connected.
Combustion chamber such as Fig. 3 of embodiment 2 are shown in Figure 4, be provided with furnace chamber 3 in the combustion chamber 2, furnace chamber top is provided with 4 flow deflectors 17, flow deflector is inverted V-shaped, the central authorities that the flow deflector top connection of inverted V-shaped and junction are positioned at furnace chamber top, the bottom of flow deflector separates and evenly is arranged on the position of furnace chamber middle part near the furnace chamber wall, and the inside of one of them flow deflector is the vaporization chamber 4 of hollow structure, and the import of vaporization chamber and outlet are separately positioned on the open side two ends of v-shaped structure flow deflector.The liquid fuel feeding mechanism connects vaporization chamber by woven hose 5, non-return device 6, and described non-return device comprises that spray orifice 19(sees Fig. 5), spray orifice is arranged on the junction of vaporization chamber and woven hose, and the diameter of described spray orifice is less than the internal diameter of woven hose.The flow deflector outside is provided with the flow-disturbing ring 18 that is provided with around flow deflector near the position of furnace chamber wall, and the ring body of described flow-disturbing ring is the shape structure in the shape of a spiral.The outlet of vaporization chamber connects the vaporization shower nozzle 7 that is arranged on the furnace chamber bottom, and described gaseous fuel jets is arranged on the below of vaporization shower nozzle.The bottom of furnace chamber is provided with air inlet duct 8, is provided with gaseous fuel jets 9 in the air inlet duct, and the upper end of combustion chamber also is provided with stove circle 23, and the combustion chamber junction of stove circle and below is provided with secondary air road 24.Described gas fuel supply device comprise solid fuel glow the bucket 10 and apparatus of oxygen supply 13(see Fig. 2), described apparatus of oxygen supply is the air-blast device that is arranged on the bucket bottom of glowing, glow the bucket the V-shaped structure in bottom, described ignition device 12 is for being arranged on the heating tube of v-shaped structure bottom, the bottom of v-shaped structure connects ash hole 14, glowing also is provided with fire door 25 on the bucket wall of bucket bottom, and exhanst gas outlet is arranged on the seal cover of the bucket that glows, and all the other are identical with embodiment 1.
The below of the air inlet duct of embodiment 3 is connected with flue gas cushion chamber 20(and sees Fig. 6), the flue gas cushion chamber is horn-like structure, the opening of horn-like structure down, the height of flue gas cushion chamber is greater than the height of combustion chamber.Flow deflector is 5, wherein two flow deflector inside are provided with vaporization chamber, described vaporization chamber is for being connected in parallel, the ring body of flow-disturbing ring is coil spring shape in the form of sheets, the ring body material of flow-disturbing ring is flat flake structure, the helical spring spiral shell of described sheet crack is percent 40 of a described sheet spring outside coil diameter, the helical spring internal diameter of described sheet is percent 30 of a described sheet spring outside coil diameter, the thickness of sheet helical spring material therefor is 1/10th of sheet helical spring pitch, and all the other are identical with embodiment 2.
The flow deflector of embodiment 4 is 3, the inside of 3 flow deflectors is equipped with vaporization chamber, described vaporization chamber is for being connected in series, the ring body of flow-disturbing ring is a coil spring shape, the cross section of flow-disturbing ring material is circular, described helical spring spiral shell crack is percent 30 of a described spring outside coil diameter, and all the other are identical with embodiment 2.
During the actual use of fuel combination furnace system, select for use conventional alcohols, oils etc. as liquid fuel, solid fuel adopts dry string fuel such as crop material, cavings, sawdust, branch leaf; The operation principle of liquid fuel evaporation combustion parts is identical with common liquid fuel vaporizing burner, normally liquid fuel pressurization back is directly entered vaporization chamber in the stove and accessory by non-return device, and overflow from the vaporization shower nozzle at last, the ignited fuel that will overflow, the heat that fuel combustion produces makes the liquid fuel evaporation in the vaporization chamber, liquid fuel after the vaporization makes stove and accessory be in fired state by vaporization shower nozzle ejection burning.And solid fuel need put into earlier glow the bucket and compress, solid fuel 21 volumes that glow after compressing in the bucket are no more than 85% of barrel volume that glows, put into the bucket and when compressing of glowing at solid fuel, several passages 22 are set in solid fuel, the opening of passage is positioned at solid-fuelled upper surface, the lower end is positioned at the inner and close solid-fuelled bottom of solid fuel (see figure 2), the ignition device of opening the bucket bottom of glowing then glows the solid fuel in the bucket that glows, solid fuel is closed ignition device and is opened apparatus of oxygen supply after glowing and beginning, and regulates oxygen-supplying amount and makes the solid fuel in the bucket that glows remain on the state that glows continuously; The glow fuel gas such as flue gas that produce of solid fuel enter the air inlet duct of stove and accessory bottom by appendix, gaseous fuel jets, and in furnace chamber with the naked light mixed combustion of liquid fuel combustion, control enters the ratio of the flue gas and the liquid fuel of stove and accessory, the flue gas that enters stove and accessory is fully burnt, and the volume ratio of flue gas and vaporization back liquid fuel is between 0.5 to 1 usually.
Claims (8)
1. fuel combination furnace system, comprise a stove and accessory and the liquid fuel feeding mechanism that is connected with stove and accessory, it is characterized in that: described stove and accessory also is connected with gas fuel supply device on (1), stove and accessory comprises combustion chamber (2), be provided with furnace chamber (3) in the combustion chamber, be provided with liquid fuel evaporation chamber (4) in the furnace chamber, the liquid fuel feeding mechanism is by woven hose (5), non-return device (6) connects vaporization chamber, the outlet of vaporization chamber connects the vaporization shower nozzle (7) that is arranged on the furnace chamber bottom, the bottom of furnace chamber is provided with air inlet duct (8), be provided with gaseous fuel jets (9) in the air inlet duct, described gas fuel supply device comprise solid fuel glow the bucket (10) and an apparatus of oxygen supply (13), the opening part at barrel top of glowing is provided with seal cover (11), the bottom is provided with ignition device (12) and ash hole (14), glow the bucket top also be provided with exhanst gas outlet (15), exhanst gas outlet is connected with gaseous fuel jets by appendix (16).
2. fuel combination furnace system according to claim 1, it is characterized in that described furnace chamber top is provided with some flow deflectors (17), wherein the inside of at least one flow deflector is the vaporization chamber of hollow structure, the flow deflector outside is provided with the flow-disturbing ring (18) that is provided with around flow deflector near the position of furnace chamber wall, the ring body of described flow-disturbing ring is the shape structure in the shape of a spiral, and the spiral shell crack of described helical structure is percent 25 to percent 55 of a described helical structure external diameter.
3. fuel combination furnace system according to claim 2, it is characterized in that described flow deflector is 3 to 5, flow deflector is inverted V-shaped, be provided with vaporization chamber in two or more flow deflectors, described vaporization chamber is that serial or parallel connection connects, the import of vaporization chamber and outlet are separately positioned on the open side two ends of v-shaped structure flow deflector, the central authorities that the flow deflector top connection of described inverted V-shaped and junction are positioned at furnace chamber top, the bottom of flow deflector separates and evenly is arranged on the position of the close furnace chamber wall in furnace chamber middle part.
4. fuel combination furnace system according to claim 1, the below that it is characterized in that described air inlet duct is connected with flue gas cushion chamber (20), the flue gas cushion chamber is horn-like structure, the opening of horn-like structure down, the height of flue gas cushion chamber is greater than the height of combustion chamber.
5. fuel combination furnace system according to claim 1 is characterized in that described non-return device comprises spray orifice (19), and spray orifice is arranged on the junction of vaporization chamber and woven hose, and the diameter of described spray orifice is less than the internal diameter of woven hose.
6. fuel combination furnace system according to claim 1 is characterized in that described vaporization shower nozzle is arranged on the bottom of furnace chamber, and described gaseous fuel jets is arranged on the below of vaporization shower nozzle.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described fuel combination furnace systems, the ring body that it is characterized in that the flow-disturbing ring is coil spring shape in the form of sheets, the ring body material of flow-disturbing ring is flat flake structure, the helical spring spiral shell of described sheet crack is percent 30 to percent 50 of a described sheet spring outside coil diameter, and the helical spring internal diameter of described sheet is percent 20 to percent 40 of a described sheet spring outside coil diameter.
8. according to claim 1 or 2 or 3 or 4 or 5 or 6 described fuel combination furnace systems, the V-shaped structure in bucket bottom is characterized in that glowing, described ignition device is the heating tube that is arranged on the v-shaped structure bottom, the bottom of v-shaped structure connects ash hole, and apparatus of oxygen supply is to be arranged on the air extractor on the appendix or to be arranged on the bucket bottom air-blast device that glows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200015422U CN201964467U (en) | 2011-01-05 | 2011-01-05 | Mixed fuel furnace system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200015422U CN201964467U (en) | 2011-01-05 | 2011-01-05 | Mixed fuel furnace system |
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| CN201964467U true CN201964467U (en) | 2011-09-07 |
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| CN2011200015422U Expired - Lifetime CN201964467U (en) | 2011-01-05 | 2011-01-05 | Mixed fuel furnace system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116493A (en) * | 2011-01-05 | 2011-07-06 | 方新成 | Mixed fuel furnace system and combustion method |
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2011
- 2011-01-05 CN CN2011200015422U patent/CN201964467U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116493A (en) * | 2011-01-05 | 2011-07-06 | 方新成 | Mixed fuel furnace system and combustion method |
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