CN103994658B - Biomass fuel melts aluminium stove - Google Patents
Biomass fuel melts aluminium stove Download PDFInfo
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- CN103994658B CN103994658B CN201410205227.XA CN201410205227A CN103994658B CN 103994658 B CN103994658 B CN 103994658B CN 201410205227 A CN201410205227 A CN 201410205227A CN 103994658 B CN103994658 B CN 103994658B
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- air intake
- intake duct
- flue
- combustion chamber
- feed pipe
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Abstract
A kind of biomass fuel melts aluminium stove, it comprises body of heater (1), crucible (2), air inlet (3) and feed pipe (4), the cavity that fire brick layer (5) is separated out is provided with in body of heater (1), space between fire brick layer (5) and body of heater (1) inwall is provided with the flue (1.3) and air intake duct (1.4) that are separated out by thermal conductive material layer (13), the import of flue (1.3) and air intake duct (1.4) and export the two ends being all positioned at " C " font structure, the import of air intake duct (1.4) is communicated with air inlet (3), the outlet of air intake duct (1.4) is communicated with ashes room (1.2), one end of feed pipe (4) is positioned at combustion chamber (1.1), and the other end of feed pipe (4) is positioned at body of heater (1) outside, compared with prior art, the present invention has crucible and is heated comparatively even, and pot life is longer, and heat exchanger effectiveness is higher, and energy consumption is lower, the feature that the better and molten aluminium production cost of stability in use is lower.
Description
Technical field
The present invention relates to a kind of biomass fuel and melt aluminium stove.
Background technology
Biomass fuel melts aluminium stove and refers to the molten aluminium stove adopting burning solid biomass fuel to heat.The biomass fuel of prior art melts aluminium stove, as, publication number is CN103471389A, name is called that a kind of biomass fuel melts the Chinese patent application of aluminium stove, biomass fuel melts aluminium stove and comprises body of heater and crucible, is provided with heating clamber and combustion chamber in body of heater, and crucible is placed in heating clamber, also be provided with the back-up block for support crucible bottom heating clamber, pass through between heating clamber with combustion chamber to be communicated with into flue; But face crucible owing to entering flue, flame most flame after being sprayed onto crucible directly rises, and discharges from outlet flue, then when decreasing crucible heating and the contact area of flame, make the firing rate of crucible comparatively slow, the efficiency of heating surface is lower; Simultaneously flame from enter flue be out sprayed directly on to afterwards crucible just to the region entering flue, then the temperature in this region raise very fast, crucible is heated the uneven easy situation occurring cracking, thus causes pot life also shorter; Moreover due to flame from enter flue be out sprayed directly on to afterwards crucible just to the region entering flue, and other regions of crucible and flame contact less, make the heat exchanger effectiveness of flame and crucible lower, cause fuel consumption larger, energy consumption is larger, the temperature fluctuation of crucible is also comparatively large, and less stable, too increases the production cost of molten aluminium.
Summary of the invention
The present invention is directed to above problem provides a kind of crucible to be heated comparatively evenly, and pot life is longer, and heat exchanger effectiveness is higher, and energy consumption is lower, and the biomass fuel that the better and molten aluminium production cost of stability in use is lower melts aluminium stove.
The present invention overcomes the above problems technical scheme used: provide a kind of biomass fuel to melt aluminium stove, it comprises body of heater, crucible, air inlet and feed pipe, the cavity that fire brick layer is separated out is provided with in described body of heater, space between described fire brick layer and inboard wall of furnace body is provided with the flue and air intake duct that are separated out by thermal conductive material layer, described flue and the cross section of air intake duct are " C " font structure, the import of flue and air intake duct and export the two ends being all positioned at " C " font structure, the import of described air intake duct is communicated with air inlet, the outlet of air intake duct is communicated with ashes room, one end of described feed pipe is positioned at combustion chamber, and the other end of feed pipe is positioned at outside body of heater, and the other end of feed pipe is higher than one end of feed pipe.
After adopting above structure, compared with prior art, the present invention due to arrange air-flow move towards contrary flue and air intake duct, and flue and air intake duct are separated out by Heat Conduction Material, therefore the smoke pre-heating that the air inlet in air intake duct can be discharged by flue, this just make hot blast blow after fuel while hyperactivity of fire (although cold wind blow time hyperactivity of fire, but temperature can reduce, chamber temperature is caused to fluctuate larger), it is higher that temperature also can rise, programming rate is also faster, play the effect of waste heat recycling, the utilization rate of further raising heat, and then reduction energy consumption, and reduce the consumption of fuel, increase insulation timeliness, and effectively reduce the temperature fluctuation of crucible, stability in use is better, and then reduce the production cost of molten aluminium, energy-conservation about 40%, the fuel cost of about 50% can be saved, and crucible is directly placed in combustion chamber, crucible and flame borrow car comparatively abundant, and not easily occur the situation of hot-spot, heat exchanger effectiveness is also higher, therefore pot life is longer, moreover flue gas when moving in the flue of " C " font structure, the particle in flue gas is easier to precipitation, and then plays the effect of purifying smoke, make dust in the flue gas of discharging eventually through chimney less, thus playing the effect of reduction of discharging, environmental pollution is less, uses comparatively environmental protection.Therefore the present invention has crucible and is heated comparatively even, and pot life is longer, and heat exchanger effectiveness is higher, and energy consumption is lower, the feature that the better and molten aluminium production cost of stability in use is lower.
As improvement, the import of described flue is just in time contrary with exit position with the import of air intake duct with outlet, and namely in flue, the flow direction of flue gas is just in time contrary with the flow direction of air in air intake duct; After then arranging like this, make the heat exchanger effectiveness of flue gas and air inlet higher, can further improve the temperature of air inlet, utilize the waste heat of flue gas to greatest extent, the consumption of further minimizing fuel, increases insulation timeliness, and effectively reduces the temperature fluctuation of crucible, make stability in use of the present invention better, energy consumption is lower.
As further improvement, described cavity is divided into combustion chamber and ashes room, and combustion chamber is communicated with ashes room by grate, described air inlet is positioned at the lower end of body of heater, described crucible is positioned at combustion chamber, fire brick layer outer peripheral face corresponding to described combustion chamber is coated with thermal insulation layer, the bottom of described combustion chamber is provided with the back-up block for support crucible, upper end, combustion chamber is provided with outlet flue, and outlet flue is communicated with flue, the upper edge hole place of described combustion chamber is provided with the trim ring spacing to crucible, and the upper edge hole of trim ring and combustion chamber is tightly connected; Such structure space utilization rate is higher, makes the overall floor space of the present invention relatively little.
As further improvement, the top of described Inner Wall of Combustion Chamber is provided with the pressure flame block of annular, the described inner peripheral surface of pressure flame block and the outer peripheral face of crucible are fitted, and the inner peripheral surface of pressure flame block is provided with several circumferentially uniform smokejacks, and the length direction of described smokejack is crossing with vertical line; Then discharging flue gas from smokejack is also spiral, make flue gas also can be discharged to outlet flue again around spiral near the upper edge hole of crucible, therefore effectively can supplement the loss of crucible opening part heat, make the temperature fluctuation of crucible less, stability in use is better, to go forward side by side a step-down low energy consumption, and then reduce the consumption of biomass fuel.
As further improvement, in described air intake duct, be provided with several spoilers; Under the effect of spoiler, air in air intake duct is no longer rectilinear motion, air is also just longer in the time that air intake duct is detained, the heat exchange of the flue gas then in air and flue is also just more abundant, make the utilization rate of waste heat in flue gas higher, and preheating of air effect is also just better, further improves the effect of energy-saving and emission-reduction.
As improving further, described spoiler is top-bottom cross distribution in air intake duct, and the width of spoiler equals the width of air intake duct, and the length of spoiler is less than the axial depth of air intake duct again; Then the spoiler of this structure is arranged, what make air does corrugated motion in air intake duct, the time that air is detained at air intake duct extends further, the heat exchange of the flue gas then in air and flue is also just more abundant, make the utilization rate of waste heat in flue gas higher, and preheating of air effect is also just better, further improves the effect of energy-saving and emission-reduction.
As improving further, described feed pipe is provided with cooling duct again, and described cooling duct one end is positioned at feed pipe, and the cooling duct other end is communicated with air inlet, and described cooling duct is positioned at the outlet of opening towards feed pipe of feed pipe one end; After then cooling duct is arranged, can reduce the temperature of feed pipe, placement feed pipe temperature is too high and be out of shape, and then extends the service life of feed pipe; Cooling duct also can increase the speed of charging simultaneously, and fuel can be elaborated on grate relatively uniformly, and then the flame produced after making fuel combustion is more even, ensures the uniformity of crucible temperature.
As improving further, the part that described cooling duct is positioned at outside feed pipe is provided with valve again; After then valve is arranged, can regulate the intake of cooling duct in real time according to inlet amount, when preventing charging less, intake is excessive and to cause the flame in combustion chamber to contact with crucible insufficient, and then the situation that the heat exchanger effectiveness preventing flame and crucible reduces, ensure stability in use of the present invention.
As improving further, on described sidewall of combustion chamber, the position of nearly bottom is provided with clean-up port again; After then clean-up port is arranged, when making cleaning combustion chamber, no longer need crucible to remove and just to carry out afterwards, the present invention is safeguarded convenient, faster.
As preferably, on described ashes room sidewall, the position of nearly bottom is provided with cleaning door.
Accompanying drawing explanation
Fig. 1 is the structural representation that biomass fuel of the present invention melts aluminium stove.
Fig. 2 is the partial sectional view that biomass fuel of the present invention melts aluminium stove.
Fig. 3 is the structural representation that biomass fuel of the present invention melts aluminium fire grate flue.
As shown in the figure: 1, body of heater, 1.1, combustion chamber, 1.2, ashes room, 1.3, flue, 1.4, air intake duct, 2, crucible, 3, air inlet, 4, feed pipe, 5, fire brick layer, 6, grate, 7, thermal insulation layer, 8, back-up block, 9, outlet flue, 10, trim ring, 11, pressure flame block, 12, smokejack, 13, thermal conductive material layer, 14, spoiler, 15, cooling duct, 16, valve, 17, clean-up port, 18, cleaning door.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of biomass fuel melts aluminium stove, it comprises body of heater 1, crucible 2, air inlet 3 and feed pipe 4 (also comprise other parts certainly, but owing to not relating to the inventive point of the invention, therefore do not repeat them here), the cavity that fire brick layer 5 is separated out is provided with in described body of heater 1, combustion chamber 1.1 and ashes room 1.2 is provided with in described cavity, and combustion chamber 1.1 is communicated with ashes room 1.2 by grate 6, described air inlet 3 is positioned at the lower end of body of heater 1, described crucible 2 is positioned at combustion chamber 1.1, fire brick layer 5 outer peripheral face of described combustion chamber 1.1 correspondence is coated with thermal insulation layer 7, the bottom of described combustion chamber 1.1 is provided with the back-up block 8 for support crucible 2, general back-up block 8 has three, and three back-up blocks 8 are uniform around grate 6, back-up block 8 Wei ?shape structure, and the upper surface of back-up block 8 is the arcuate structure fitted with crucible 2 bottom surface, upper end, combustion chamber 1.1 is provided with outlet flue 9, the upper edge hole place of described combustion chamber 1.1 is provided with the trim ring 10 spacing to crucible 2, and trim ring 10 is tightly connected with the upper edge hole of combustion chamber 1.1, space between described thermal insulation layer 7 and body of heater 1 inwall is provided with by thermal conductive material layer 13 that (thermal conductive material layer is iron sheet layer, also can be copper sheet layer, aluminium cortex or steel layer etc.) flue 1.3 that is separated out and air intake duct 1.4, and outlet flue 9 is communicated with flue 1.3, described flue 1.3 and the cross section of air intake duct 1.4 are " C " font structure, the import of flue 1.3 and air intake duct 1.4 and export the two ends being all positioned at " C " font structure, the import of described air intake duct 1.4 is communicated with air inlet 3, the outlet of air intake duct 1.4 is communicated with ashes room 1.2, one end of described feed pipe 4 is positioned at combustion chamber 1.1, and the other end of feed pipe 4 is positioned at outside body of heater 1, and the other end of feed pipe 4 is higher than one end of feed pipe 4.
The import of described flue 1.3 is just in time contrary with exit position with the import of air intake duct 1.4 with outlet, and namely in flue 1.3, the flow direction of flue gas is just in time contrary with the flow direction of air in air intake duct 1.4.
The top of described combustion chamber 1.1 inwall is provided with the pressure flame block 11 of annular, the described inner peripheral surface of pressure flame block 11 and the outer peripheral face of crucible 2 are fitted, and the inner peripheral surface of pressure flame block 11 is provided with several circumferentially uniform smokejacks 12, the length direction of described smokejack 12 is crossing with vertical line, and namely smokejack 12 is obliquely installed.
Be provided with several spoilers 14 in described air intake duct 1.4, several spoilers 14 are uniform in air intake duct 1.4, certainly also can not arrange spoiler 14.
Described spoiler 14 is top-bottom cross distribution in air intake duct 1.4, and the width of spoiler 14 equals the width of air intake duct 1.4, and the length of spoiler 14 is less than the axial depth of air intake duct 1.4; Certain spoiler 14 also can be front and back cross-distribution in air intake duct 1.4, and now the width of spoiler 14 is less than the width of air intake duct 1.4, and the length of spoiler 14 equals the axial depth of air intake duct 1.4.
Described feed pipe 4 is provided with cooling duct 15, and described cooling duct 15 one end is positioned at feed pipe 4, and cooling duct 15 other end is communicated with air inlet 3, and described cooling duct 15 is positioned at the outlet of opening towards feed pipe 4 of feed pipe 4 one end.
Described cooling duct 15 part be positioned at outside feed pipe 4 is provided with valve 16, and general valve 16 is common butterfly valve.
On described combustion chamber 1.1 sidewall, the position of nearly bottom is provided with clean-up port 17, and the opening of general clean-up port 17 outside body of heater 1 is equipped with end cap.
On described ashes room 1.2 sidewall, the position of nearly bottom is provided with cleaning door 18, and the opening of general cleaning door 18 outside body of heater 1 is equipped with end cap.
During use, the flame in combustion chamber 1.1 is under the effect of pressure flame block 11, and stir in combustion chamber 1.1 at flame, then the contact of flame and crucible 2 is comparatively abundant, and heat transfer efficiency is also just higher; And flue gas is by smokejack 12, discharge through outlet flue 9, flue 1.3 and chimney successively again, flue gas can carry out heat exchange with the air in air intake duct 1.4 at flue 1.3, to reach the object to air preheat, and then play fume afterheat recycling, the energy consumption of equipment can be reduced, flue gas temperature reduction after the heat exchange simultaneously, reduce the Portability of flue gas to dust, most dust in flue gas is precipitated in flue 1.3, and then reducing the pollution of fume emission to environment, facility environment friendliness is better; If when the temperature of burner hearth is about 700 DEG C usually, flue temperature has about 650 DEG C, and flue also serves the effect of insulation round combustion chamber, makes the heat of combustion chamber not easily run off, flue can make the temperature of air intake reach about 400 DEG C simultaneously.
Above embodiment is only preferred embodiment of the present invention, the present invention is not limited only to above embodiment and has also allowed other structure to change, and allly changes in rights to independence claimed range of the present invention, all belongs to scope.
Claims (8)
1. a biomass fuel melts aluminium stove, it comprises body of heater (1), crucible (2), air inlet (3) and feed pipe (4), the cavity that fire brick layer (5) is separated out is provided with in described body of heater (1), it is characterized in that: the space between described fire brick layer (5) and body of heater (1) inwall is provided with the flue (1.3) and air intake duct (1.4) that are separated out by thermal conductive material layer (13), described flue (1.3) and the cross section of air intake duct (1.4) are " C " font structure, the import of flue (1.3) and air intake duct (1.4) and export the two ends being all positioned at " C " font structure, the import of described air intake duct (1.4) is communicated with air inlet (3), the outlet of air intake duct (1.4) is communicated with ashes room (1.2), one end of described feed pipe (4) is positioned at combustion chamber (1.1), the other end of feed pipe (4) is positioned at body of heater (1) outside, and the other end of feed pipe (4) is higher than one end of feed pipe (4), several spoilers (14) are provided with in described air intake duct (1.4), described spoiler (14) is top-bottom cross distribution in air intake duct (1.4), and the width of spoiler (14) equals the width of air intake duct (1.4), the length of spoiler (14) is less than the axial depth of air intake duct (1.4).
2. biomass fuel according to claim 1 melts aluminium stove, it is characterized in that: the import of described flue (1.3) is just in time contrary with exit position with the import of air intake duct (1.4) with outlet, namely the flow direction of flue (1.3) interior flue gas is just in time contrary with the flow direction of air intake duct (1.4) interior air
3. biomass fuel according to claim 1 melts aluminium stove, it is characterized in that: described cavity is divided into combustion chamber (1.1) and ashes room (1.2), and combustion chamber (1.1) are communicated with ashes room (1.2) by grate (6), described air inlet (3) is positioned at the lower end of body of heater (1), described crucible (2) is positioned at combustion chamber (1.1), fire brick layer (5) outer peripheral face of described combustion chamber (1.1) correspondence is coated with thermal insulation layer (7), the bottom of described combustion chamber (1.1) is provided with the back-up block (8) for support crucible (2), combustion chamber (1.1) upper end is provided with outlet flue (9), and outlet flue (9) is communicated with flue (1.3), the upper edge hole place of described combustion chamber (1.1) is provided with the trim ring (10) spacing to crucible (2), and trim ring (10) is tightly connected with the upper edge hole of combustion chamber (1.1).
4. biomass fuel according to claim 3 melts aluminium stove, it is characterized in that: the top of described combustion chamber (1.1) inwall is provided with the pressure flame block (11) of annular, the inner peripheral surface of described pressure flame block (11) and the outer peripheral face of crucible (2) are fitted, and the inner peripheral surface of pressure flame block (11) is provided with several circumferentially uniform smokejacks (12), the length direction of described smokejack (12) is crossing with vertical line.
5. biomass fuel according to claim 3 melts aluminium stove, it is characterized in that: on described combustion chamber (1.1) sidewall, the position of nearly bottom is provided with clean-up port (17).
6. biomass fuel according to claim 3 melts aluminium stove, it is characterized in that: on described ashes room (1.2) sidewall, the position of nearly bottom is provided with cleaning door (18).
7. biomass fuel according to claim 1 melts aluminium stove, it is characterized in that: described feed pipe (4) is provided with cooling duct (15), described cooling duct (15) one end is positioned at feed pipe (4), cooling duct (15) other end is communicated with air inlet (3), and described cooling duct (15) is positioned at the outlet of opening towards feed pipe (4) of feed pipe (4) one end.
8. biomass fuel according to claim 7 melts aluminium stove, it is characterized in that: the part that described cooling duct (15) is positioned at feed pipe (4) outside is provided with valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410205227.XA CN103994658B (en) | 2014-05-15 | 2014-05-15 | Biomass fuel melts aluminium stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410205227.XA CN103994658B (en) | 2014-05-15 | 2014-05-15 | Biomass fuel melts aluminium stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103994658A CN103994658A (en) | 2014-08-20 |
| CN103994658B true CN103994658B (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410205227.XA Expired - Fee Related CN103994658B (en) | 2014-05-15 | 2014-05-15 | Biomass fuel melts aluminium stove |
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| Country | Link |
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| CN (1) | CN103994658B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664419B (en) * | 2017-08-22 | 2019-08-09 | 南通高新工业炉有限公司 | A kind of metal molten furnace with depassing unit |
| CN108981385B (en) * | 2018-08-14 | 2020-09-22 | 泰州市天宇交通器材有限公司 | Biomass furnace for aluminum smelting |
| CN108950216B (en) * | 2018-08-14 | 2020-07-10 | 浙江拓泰铝业有限公司 | Method for recycling waste aluminum |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005009793A (en) * | 2003-06-20 | 2005-01-13 | Nippon Crucible Co Ltd | Crucible furnace with preheating ring |
| CN2835923Y (en) * | 2005-09-01 | 2006-11-08 | 阮建粤 | Energy-saving environment-friendly gas-fired crucible furnace |
| CN101294770A (en) * | 2007-04-27 | 2008-10-29 | 毛志彤 | Alloy melting heat-preserving crucible furnace |
| JP2009186157A (en) * | 2008-02-08 | 2009-08-20 | Zet:Kk | Aluminum melting furnace |
| CN102636025A (en) * | 2012-05-08 | 2012-08-15 | 梁刚 | Biomass high-efficiency energy-saving furnace |
| CN203443337U (en) * | 2013-07-24 | 2014-02-19 | 张崇鑫 | Aluminum, zinc, copper and magnesium smelting furnace using bio-particles |
| CN203810911U (en) * | 2014-05-15 | 2014-09-03 | 宁海易龙新能源有限公司 | Aluminum melting furnace using biomass fuel |
-
2014
- 2014-05-15 CN CN201410205227.XA patent/CN103994658B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005009793A (en) * | 2003-06-20 | 2005-01-13 | Nippon Crucible Co Ltd | Crucible furnace with preheating ring |
| CN2835923Y (en) * | 2005-09-01 | 2006-11-08 | 阮建粤 | Energy-saving environment-friendly gas-fired crucible furnace |
| CN101294770A (en) * | 2007-04-27 | 2008-10-29 | 毛志彤 | Alloy melting heat-preserving crucible furnace |
| JP2009186157A (en) * | 2008-02-08 | 2009-08-20 | Zet:Kk | Aluminum melting furnace |
| CN102636025A (en) * | 2012-05-08 | 2012-08-15 | 梁刚 | Biomass high-efficiency energy-saving furnace |
| CN203443337U (en) * | 2013-07-24 | 2014-02-19 | 张崇鑫 | Aluminum, zinc, copper and magnesium smelting furnace using bio-particles |
| CN203810911U (en) * | 2014-05-15 | 2014-09-03 | 宁海易龙新能源有限公司 | Aluminum melting furnace using biomass fuel |
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| CN103994658A (en) | 2014-08-20 |
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Granted publication date: 20160316 Termination date: 20160515 |