CN203249497U - Aluminum melting furnace for producing superfine high-activity aluminum powder - Google Patents
Aluminum melting furnace for producing superfine high-activity aluminum powder Download PDFInfo
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- CN203249497U CN203249497U CN 201320172351 CN201320172351U CN203249497U CN 203249497 U CN203249497 U CN 203249497U CN 201320172351 CN201320172351 CN 201320172351 CN 201320172351 U CN201320172351 U CN 201320172351U CN 203249497 U CN203249497 U CN 203249497U
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Abstract
The utility model relates to an aluminum melting furnace, in particular to an aluminum melting furnace for producing superfine high-activity aluminum powder. The aluminum melting furnace comprises an aluminum melting furnace body with a round furnace bottom, a combustor jet nozzle installed inside the aluminum melting furnace body, and a furnace door installed on the aluminum melting furnace body, wherein a vertical furnace body is installed at the upper end of the aluminum melting furnace body, and a feeding port is formed in the upper end surface of the vertical furnace body. The aluminum melting furnace is characterized in that a molten aluminum heat-insulation area is formed at one side inside the aluminum melting furnace body with the round furnace bottom, a molten aluminum sucking pipe is installed in the molten aluminum heat-insulation area, a smoke recycle cover is installed at the upper end of the furnace door, an air pre-heater is communicated with the smoke recycle cover and the vertical furnace body, and an air inlet of the combustor jet nozzle is connected with the air pre-heater. The aluminum melting furnace for producing the superfine high-activity aluminum powder has the advantages of being reasonable in structure, saving energy, being efficient and the like, can effectively lower the burn out rate of aluminum ingots in the melting process, and is quite suitable for production of the aluminum powder.
Description
Technical field
The utility model relates to a kind of molten aluminium stove, particularly a kind ofly produces the molten aluminium stove that the ultrafine high activity aluminium powder is used.
Background technology
Present molten aluminium stove is most of to adopt the shaft furnace at the bottom of the round kiln melt the aluminium operation, and it has characteristics: 1, and rational configuration burner, and make furnace atmosphere circulation strong, furnace temperature is even, without the hot-spot burn-off phenomenon, prolongation stove service life; 2, furnace charge fully absorbs fume afterheat in shaft furnace, reduces the furnace roof exhaust gas temperature, greatly improves the thermal efficiency, and furnace charge enters the end and has been preheating near molten state during stove, has guaranteed very high melting rate and very low energy consumption; 3, adopt air preheater and furnace shell interlayer air channel: air preheater absorbs fume afterheat well, air after the preheating enters furnace shell interlayer air channel, further pre-heating temperature elevation, relatively improve environment temperature, reduce the furnace shell heat radiation, can improve efficiency of combustion, combustion intensity after the air preheat, flame temperature and speed are strengthened furnace atmosphere circulation and programming rate; 4, top filling: reinforced convenient, labour intensity is low, and furnace temperature fluctuation is little, and furnace life is long, the reinforced fusing time that do not take; 5, adopting efficiency energy saving burner is thermal source, has igniting easily, quick heating, and spray speed is high, combustion completion, the characteristics such as coefficient of excess air is little.
But existing molten aluminium stove is that fusings such as aluminium alloy for discontinuous production need design in structure and production technology, and in the aluminium powder production, the aluminium liquid of fusing need to be incubated at a certain temperature, the later stage preparation that is used for aluminium powder needs, and existing so molten aluminium stove can't be satisfied the demand.
Summary of the invention
The purpose of this utility model is to solve the defective that prior art exists, and the molten aluminium stove that a kind of molten aluminium speed is fast, the production ultrafine high activity aluminium powder of good energy-conserving effect is used is provided.
Technical scheme of the present invention is: a kind ofly produce the molten aluminium stove that the ultrafine high activity aluminium powder is used, comprise that the molten aluminium body of heater at the bottom of the round kiln melts the burner nozzle in the aluminium body of heater and is installed in the fire door that melts on the aluminium body of heater with being installed in, in molten aluminium body of heater upper end vertical body of heater is installed, in vertical body of heater upper surface charge door is installed, it is characterized in that the interior side of molten aluminium body of heater at the bottom of the round kiln is provided with aluminium liquid heat preservation zone, in aluminium liquid heat preservation zone, the aluminium liquid straw is installed, in the upper end of fire door the off-gas recovery cover is installed, air preheater and off-gas recovery cover, vertical body of heater is connected, and the air intlet of burner nozzle links to each other with air preheater.
The said burner nozzle is two, and two burner nozzles are installed in the top of the molten aluminium body of heater at the bottom of the round kiln, and the axis angle of two burner nozzles is 70-100 degree.
The outside of the molten aluminium body of heater at the bottom of above-mentioned round kiln is equipped with the air channel, the air channel forms by being installed in the upper and lower air channel of melting the outside upper and lower end of aluminium body of heater and being installed in the outside furnace shell interlayer air channel that is connected with upper and lower air channel of molten aluminium body of heater, the exhaust outlet of blower fan is connected with lower air duct, and the exhaust outlet of upper end, air channel is connected with air preheater by pipeline; Connecting line between above-mentioned off-gas recovery cover and air preheater is equipped with valve.
Match at above-mentioned charge door the charge door seal cover is installed, the charge door seal cover links to each other with the upper surface of vertical body of heater by hinge, vertical body of heater upper surface in hinge one side is fixed with column, the column top is equipped with pulley, steel wire rope one end links to each other with the charge door seal cover, and the steel wire rope other end links to each other with hoist engine.
A kind of atomizer of producing the ultrafine high activity aluminium powder, it is characterized in that atomizer is comprised of nozzle and annular flow guide sleeve, the annular flow guide sleeve is sleeved on the nozzle cylindrical, inner circle and the nozzle cylindrical of annular flow guide sleeve form the ring jet chamber concentric with nozzle, and the ring jet chamber is connected with air shooter.
The periphery of said nozzle and the inner headed face of annular flow guide sleeve are the taper seat that matches.
The utlity model has following characteristics:
1. energy-conservation, efficient.The molten aluminium stove of the technical program is provided with aluminium liquid fusion zone and heat preservation zone in body of heater, the axis angle of two burner nozzles in aluminium liquid fusion zone is designed to 70-100 degree, make like this that furnace atmosphere circulation in the molten aluminium stove is strong, furnace temperature evenly, without the hot-spot burn-off phenomenon, improve the quality of products, prolong stove service life; Flame is away from furnace charge simultaneously, and scaling loss is lower, and minimum scaling loss can be below 0.8 ﹪; Burner arrangement is arranged at an angle simultaneously, in stove, form the furnace gas field of a circle, Temperature Distribution and atmosphere in the stove is all more even like this, also lengthened simultaneously the holdup time of heat in stove, increased the heat exchange chance, reach energy-conservation purpose, the setting of aluminium liquid heat preservation zone is for next step aluminium powder production provides temperature suitable aluminium liquid.
2. the charge door seal cover of vertical body of heater and upset is installed in molten aluminium body of heater upper end, can conveniently feed in raw material by the charge door on the vertical body of heater on the one hand, simultaneously aluminium ingot process preheating in vertical body of heater, remove the moisture of aluminium ingot adsorption and fully absorbed the interior fume afterheat of vertical body of heater, can reduce like this oxygen content in the aluminium liquid, can play again the effect of stabilised bath liquid stream, thereby greatly save the energy.
3. adopt air preheater and furnace shell interlayer air channel at molten aluminium stove, its objective is in protection stove outer covering and increase body of heater intensity, can effectively reduce the temperature of shell and workman's operating environment temperature.Outside at molten aluminium body of heater is equipped with the air channel, blower fan is sent into cold wind from lower air duct, enter air preheater by upper air duct, air after the preheating enters burner again and participates in burning like this, improve efficiency of combustion, combustion intensity, flame temperature and speed, can drop to below 150 ℃ through the exhaust gas temperature after the above-mentioned heat absorption simultaneously, greatly improve the thermal efficiency.
Description of drawings
Accompanying drawing 1 is the structural representation of the molten aluminium stove of the utility model
Accompanying drawing 2 is the top view of the utility model accompanying drawing 1;
Accompanying drawing 3 is the A-A cutaway view of the utility model accompanying drawing 1;
Accompanying drawing 4 is the B-B cutaway view of the utility model accompanying drawing 1.
The specific embodiment
Shown in Fig. 1,2,3,4, molten aluminium body of heater 13 upper ends at the bottom of round kiln are equipped with vertical body of heater 9, top in molten aluminium body of heater is equipped with two burner nozzles 18, the axis angle of two burner nozzles is 70-100 degree, and optimal selection is 90 degree, and the flame that such two burner nozzles form forms the furnace gas field of a circle in stove, make Temperature Distribution and atmosphere in the stove all more even, prolong the holdup time of heat in stove, increased the heat exchange chance, reached energy-conservation purpose.In vertical body of heater upper surface charge door 5 is installed, match at charge door charge door seal cover 19 is installed, the charge door seal cover links to each other with the upper surface of vertical body of heater by hinge 8, vertical body of heater upper surface in the hinge left side is fixed with column 7, the column top is equipped with pulley, the right-hand member of steel wire rope 6 links to each other with the charge door seal cover, and the left end of steel wire rope links to each other with hoist engine.
Left side in the molten aluminium body of heater at the bottom of the round kiln is provided with aluminium liquid heat preservation zone 14, in aluminium liquid heat preservation zone the aluminium liquid carrier pipe 12 that outwards loosens for the aluminium liquid in the aluminium liquid heat preservation zone is installed.Fire door 1 upper end on the molten aluminium body of heater at the bottom of the round kiln is equipped with off-gas recovery cover 3, and air preheater 11 is connected with off-gas recovery cover, vertical body of heater 9, and the gas outlet 10 of air preheater links to each other with smoke exhaust pipe.The air intlet 2 of burner nozzle 18 links to each other with air preheater.
The outside of the molten aluminium body of heater at the bottom of above-mentioned round kiln is equipped with air channel 17, the air channel forms by being installed in the upper and lower air channel of melting the outside upper and lower end of aluminium body of heater and being installed in the outside furnace shell interlayer air channel that is connected with upper and lower air channel of molten aluminium body of heater, the air outlet of blower fan 16 is connected with lower air duct, and the air outlet of upper end, air channel is connected with air preheater 11 by pipeline.
The slag that produces in the fusion process in the molten aluminium body of heater is skimmed by fire door, owing to adopting at the bottom of the round kiln, the furnace chamber of molten like this aluminium stove is cylindrical, the process of skimming like this is equipped with the off-gas recovery cover in the fire door upper end simultaneously without the dead angle, can effectively improve operating personnel's working environment.For guaranteeing the pre-heat effect of air preheater, the connecting line between off-gas recovery cover and air preheater is equipped with valve 4, controls the switching between off-gas recovery cover and the air preheater.Bottom at molten aluminium body of heater is equipped with leakage fluid dram 15.
During use, start hoist engine, by steel wire rope the charge door seal cover is opened, the aluminium ingot that needs are melted adds in the vertical body of heater by charge door, by the moisture evaporation of the high-temperature flue gas in the vertical body of heater with the aluminium ingot adsorption, simultaneously aluminium ingot is carried out preheating.Aluminium liquid after the fusing is stored in the interior aluminium liquid heat preservation zone of molten aluminium body of heater, sends in the aluminium powder production equipment by aluminium liquid carrier pipe.
Claims (4)
1. molten aluminium stove of producing the ultrafine high activity aluminium powder, comprise that the molten aluminium body of heater at the bottom of the round kiln melts the burner nozzle in the aluminium body of heater and is installed in the fire door that melts on the aluminium body of heater with being installed in, in molten aluminium body of heater upper end vertical body of heater is installed, in vertical body of heater upper surface charge door is installed, it is characterized in that the interior side of molten aluminium body of heater (13) at the bottom of the round kiln is provided with aluminium liquid heat preservation zone (14), aluminium liquid straw (12) is installed in aluminium liquid heat preservation zone, in the upper end of fire door (1) off-gas recovery cover (3) is installed, air preheater (11) and off-gas recovery cover, vertical body of heater (9) is connected, and the air intlet (2) of burner nozzle (18) links to each other with air preheater.
2. the molten aluminium stove of production ultrafine high activity aluminium powder according to claim 1, it is characterized in that the said burner nozzle is two, two burner nozzles are installed in the top of the molten aluminium body of heater (13) at the bottom of the round kiln, and the axis angle of two burner nozzles (18) is 70-100 degree.
3. the molten aluminium stove of production ultrafine high activity aluminium powder according to claim 2, the outside that it is characterized in that the molten aluminium body of heater (13) at the bottom of above-mentioned round kiln is equipped with air channel (17), the air channel forms by being installed in the upper and lower air channel of melting the outside upper and lower end of aluminium body of heater and being installed in the outside furnace shell interlayer air channel that is connected with upper and lower air channel of molten aluminium body of heater, the exhaust outlet of blower fan (16) is connected with lower air duct, and the exhaust outlet of upper end, air channel is connected with air preheater (11) by pipeline; Connecting line between above-mentioned off-gas recovery cover (3) and air preheater (11) is equipped with valve (4).
4. the molten aluminium stove of production ultrafine high activity aluminium powder according to claim 3, it is characterized in that matching at above-mentioned charge door (5) charge door seal cover (19) is installed, the charge door seal cover links to each other by the upper surface of hinge with vertical body of heater (9), vertical body of heater upper surface in hinge one side is fixed with column (7), the column top is equipped with pulley, steel wire rope (6) one ends link to each other with the charge door seal cover, and the steel wire rope other end links to each other with hoist engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320172351 CN203249497U (en) | 2013-04-09 | 2013-04-09 | Aluminum melting furnace for producing superfine high-activity aluminum powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320172351 CN203249497U (en) | 2013-04-09 | 2013-04-09 | Aluminum melting furnace for producing superfine high-activity aluminum powder |
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| Publication Number | Publication Date |
|---|---|
| CN203249497U true CN203249497U (en) | 2013-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320172351 Expired - Fee Related CN203249497U (en) | 2013-04-09 | 2013-04-09 | Aluminum melting furnace for producing superfine high-activity aluminum powder |
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| CN (1) | CN203249497U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152789A (en) * | 2016-08-08 | 2016-11-23 | 无锡蠡湖增压技术股份有限公司 | A kind of aluminum liquid stove vacuum heat-preserving set |
| CN113981227A (en) * | 2021-12-07 | 2022-01-28 | 江门市蓬江区巨盈五金有限公司 | Environment-friendly melting and recycling device and process method for hazardous waste aluminum material |
-
2013
- 2013-04-09 CN CN 201320172351 patent/CN203249497U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152789A (en) * | 2016-08-08 | 2016-11-23 | 无锡蠡湖增压技术股份有限公司 | A kind of aluminum liquid stove vacuum heat-preserving set |
| CN113981227A (en) * | 2021-12-07 | 2022-01-28 | 江门市蓬江区巨盈五金有限公司 | Environment-friendly melting and recycling device and process method for hazardous waste aluminum material |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20190409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |