CN202461527U - Controllable atomization device used for producing aluminum powder - Google Patents
Controllable atomization device used for producing aluminum powder Download PDFInfo
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- CN202461527U CN202461527U CN201220099705XU CN201220099705U CN202461527U CN 202461527 U CN202461527 U CN 202461527U CN 201220099705X U CN201220099705X U CN 201220099705XU CN 201220099705 U CN201220099705 U CN 201220099705U CN 202461527 U CN202461527 U CN 202461527U
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- atomizer
- constant warm
- warm tube
- constant temperature
- aluminum powder
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Abstract
The utility model provides a controllable atomization device used for producing aluminum powder. The controllable atomization device comprises a holding furnace and an atomizer, wherein the liquid outlet of the holding furnace is communicated with the liquid inlet of the atomizer through a constant temperature pipe; the constant temperature pipe is a hollow casing pipe, and is internally provided with a molten aluminum channel; the pipe wall of the constant temperature pipe comprises an internal wall and an external wall; a hollow interlayer is between the internal wall and the external wall, the hollow interlayer is filled with high temperature inert gas, and is provided with an air inlet and an air outlet; and the junction of the constant temperature pipe and the atomizer is provided with a regulating valve. According to the controllable atomization device, the constant temperature pipe and the flow regulating valve are additionally provided between the constant temperature pipe and the atomizer of high temperature molten aluminum, the molten aluminum flows through the constant temperature pipe, the constant temperature pipe maintains the temperature of molten aluminum within the scope of the temperature suitable for atomizing without over-high temperature or over-low temperature phenomena, and the flow regulating valve can ensure the uniformity of the flow of the molten aluminum entering into the atomizer, so that the quality of the atomized aluminum power can be ensured, the aluminum power is uniform in granularity and high in powder fining ratio.
Description
Technical field:
The utility model belongs to the manufacturing technology field of metal-powder, is specifically related to a kind of production of aluminum powder and uses controlled atomising device.
Background technology:
Present both at home and abroad production of aluminum powder producer when high temperature aluminum liquid is atomized, almost all is to adopt the high temperature aluminum liquid atomizer that comes out directly to get in the holding furnace; Tell ejection to atomize through atomizer nozzle then, adopt this kind atomised form, high temperature aluminum liquid is flowing to from holding furnace the process of atomizer nozzle; Aluminium liquid has variations in temperature, and temperature of aluminum liquid can reduce, and oxide layer appears in the meeting on aluminium liquid surface; Temperature of aluminum liquid reduces, and before atomizing, cools off, and influences the granularity after aluminium powder atomizes; The serious atomizer nozzle that will cause stops up, and the quality that oxide layer influences aluminium powder appears in aluminium liquid surface, the most important thing is; This kind atomizing type, the temperature of aluminium liquid, flow are all uncontrollable, and the temperature flow parameter of atomizing money aluminium liquid is very big to quality, the granularity influence of the back aluminium powder that atomizes.For this reason, seeking a kind of controlled atomizing type still is a difficult problem the technical staff in industry.
The utility model content:
In sum; In order to overcome the deficiency of prior art problem, the utility model provides a kind of production of aluminum powder to use controlled atomising device, and it is between the holding furnace of high temperature aluminum liquid and atomizer, to increase constant warm tube and flow control valve; Aluminium liquid flows through in constant warm tube; Constant warm tube guarantees that the temperature of aluminium liquid remains in the temperature range that is fit to atomizing, can appearance temperature too high or temperature cross low phenomenon, it is even that flow control valve can guarantee to get into the aluminium flow quantity of atomizer; Thereby guarantee the quality of the aluminium powder after the atomizing, the aluminum particle degree is even, the fine powder rate is high.
For solving the problems of the technologies described above, the technical scheme of the utility model is achieved in that
A kind of production of aluminum powder is used controlled atomising device, comprises holding furnace and atomizer, and wherein: described holding furnace liquid outlet is communicated with through constant warm tube with the atomizer inlet; Constant warm tube is a hollow sleeve, is aluminium flow road in it, and the tube wall of constant warm tube comprises inwall and outer wall; It between inwall and the outer wall hollow interlayer; Be connected with high temperature inert gas in the hollow interlayer, air inlet and gas outlet are set on the hollow interlayer, constant warm tube and atomizer junction are provided with control valve.
Further, be provided with at least two refractory ceramics filters in the described constant warm tube, the filter opening diameter of filter is gradually little along the moving direction of aluminium flow.
Further, described control valve is the refractory ceramics plug valve.
Further, the temperature of the high temperature inert gas in the described hollow interlayer is 600～1000 ℃.
Further, described inert gas is nitrogen or argon gas.
Further, the inwall of described constant warm tube is for leading non thermal bonding aluminium earthenware, and the outer wall of constant warm tube is adiabatic high-strength ceramic pipe.
The beneficial effect of the utility model is:
1, the utility model is between the holding furnace of high temperature aluminum liquid and atomizer, to increase constant warm tube and flow control valve; Aluminium liquid flows through in constant warm tube; Constant warm tube guarantees that the temperature of aluminium liquid remains in the temperature range that is fit to atomizing, can appearance temperature too high or temperature cross low phenomenon, it is even that flow control valve can guarantee to get into the aluminium flow quantity of atomizer; Thereby guarantee the quality of the aluminium powder after the atomizing, the aluminum particle degree is even, the fine powder rate is high.
2, in the constant warm tube of the utility model the refractory ceramics filter is set, the impurity of filter in can aluminum filtration liquid makes impurity be not easy plug nozzle, and in the service life of the nozzle that improves greatly, filter can regularly replace.
3, the utility model through the flow of control and regulation valve control aluminium liquid, thereby reaches the controlled of production of aluminum powder atomization process through the temperature of constant warm tube control aluminium liquid, helps the production that atomizes more accurately.
4, the utility model is simple in structure, easy to use.Can improve the service life of atomizer nozzle effectively, because temperature, flow can strict controls, again can better controlled fine powder rate and output, optimized existing aluminium powder atomizing production technology.
Description of drawings:
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further to specify.
As shown in Figure 1, a kind of production of aluminum powder is used controlled atomising device, comprises holding furnace 1 and atomizer 9; Holding furnace 1 liquid outlet is communicated with through constant warm tube 6 with atomizer 9 inlets, and constant warm tube 6 is a hollow sleeve, is aluminium flow road in it; The tube wall of constant warm tube 6 comprises inwall 5 and outer wall 4, and the inwall 5 of constant warm tube 6 is for leading non thermal bonding aluminium earthenware, and the outer wall 4 of constant warm tube 6 is adiabatic high-strength ceramic pipe; Be hollow interlayer 2 between inwall 5 and the outer wall 4, be connected with high temperature nitrogen in the hollow interlayer 2, the temperature of high temperature nitrogen is 600～1000 ℃; Air inlet 11 and gas outlet 3 are set on the hollow interlayer 2, and constant warm tube 6 is provided with control valve 8 with atomizer 9 junctions, and control valve 8 is the refractory ceramics plug valve; Be provided with two refractory ceramics filters 7 along the moving direction of aluminium flow in the constant warm tube 6, the filter opening diameter of filter 7 is gradually little along the moving direction of aluminium flow.
During use, the high temperature aluminum liquid in the holding furnace 1 gets into the inner chamber of constant warm tube 6, through the inner chamber entering atomizer 9 of constant warm tube 6; Atomizer 9 is provided with tells the gas access, and aluminium liquid from nozzle 10 ejection at a high speed of atomizer 9, forms aluminium powder under the drive of high-speed gas; The tube wall of constant warm tube 6 comprises inwall 5 and outer wall 4, is hollow interlayer 2 between inwall 5 and the outer wall 4, and hollow interlayer 2 leads to 600～1000 ℃ high temperature nitrogen; This temperature is the optimum temperature of aluminium liquid atomizing; During through constant warm tube 6, between aluminium liquid and the nitrogen heat exchange takes place in the aluminium flow, when temperature of aluminum liquid during greater than nitrogen temperature; Nitrogen cools off aluminium liquid, and temperature of aluminum liquid is remained in the temperature range that is fit to atomizing; When temperature of aluminum liquid during less than nitrogen temperature, nitrogen heats aluminium liquid, and temperature of aluminum liquid is remained in the temperature range that is fit to atomizing; Thereby the atomization temperature that guarantees aluminium liquid is stable, avoids aluminium liquid to lower the temperature at flow process, prevents that temperature of aluminum liquid from crossing low plug nozzle 10; Simultaneously; Be provided with two refractory ceramics filters 7 in the constant warm tube 6, filter 7 is the impurity in the aluminum filtration liquid thoroughly, makes impurity be not easy plug nozzle 10; The service life of the nozzle 10 that improves greatly; Constant warm tube 6 is provided with the refractory ceramics plug valve with atomizer 9 junctions, can regulate the size of the flow of the aluminium liquid that gets into atomizer 9 through regulating this plug valve, thereby guarantees that the aluminium flow quantity is stable.
The atomization temperature of constant warm tube 6 control aluminium liquid, control valve 8 control aluminium flow quantities, atomizer 9 provides atomization condition, has improved existing atomization condition and technology greatly, has improved the fine powder rate, has improved the service life of nozzle 10, has improved the security of operation.
The atomization temperature of constant warm tube 6 control aluminium liquid, control valve 8 control aluminium flow quantities, thus reach the controlled of production of aluminum powder atomization process.
Be noted that; The above embodiment is to the explanation of the utility model technical scheme and unrestricted; Other modification that is equal to replacement or makes of affiliated technical field those of ordinary skill according to prior art; As long as do not exceed the thinking and the scope of the utility model technical scheme, all should be included within the desired interest field of the utility model.
Claims (6)
1. a production of aluminum powder is used controlled atomising device; Comprise holding furnace (1) and atomizer (9), it is characterized in that: the liquid outlet of described holding furnace (1) is communicated with through constant warm tube (6) with the inlet of atomizer (9), and constant warm tube (6) is a hollow sleeve; It in it aluminium flow road; The tube wall of constant warm tube (6) comprises inwall (5) and outer wall (4), is hollow interlayer (2) between inwall (5) and the outer wall (4), and hollow interlayer is connected with high temperature inert gas in (2); Air inlet (11) and gas outlet (3) are set on the hollow interlayer (2), and constant warm tube (6) is provided with control valve (8) with atomizer (9) junction.
2. production of aluminum powder according to claim 1 is used controlled atomising device, it is characterized in that: be provided with at least two refractory ceramics filters (7) in the described constant warm tube (6), the filter opening diameter of filter (7) is gradually little along the moving direction of aluminium flow.
3. production of aluminum powder according to claim 1 is used controlled atomising device, it is characterized in that: described control valve (8) is the refractory ceramics plug valve.
4. production of aluminum powder according to claim 1 is used controlled atomising device, it is characterized in that: the temperature of the high temperature inert gas in the described hollow interlayer (2) is 600～1000 ℃.
5. production of aluminum powder according to claim 1 is used controlled atomising device, it is characterized in that: described inert gas is nitrogen or argon gas.
6. production of aluminum powder according to claim 1 is used controlled atomising device, it is characterized in that: the inwall (5) of described constant warm tube (6) is for leading non thermal bonding aluminium earthenware, and the outer wall (4) of constant warm tube (6) is adiabatic high-strength ceramic pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220099705XU CN202461527U (en) | 2012-03-16 | 2012-03-16 | Controllable atomization device used for producing aluminum powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220099705XU CN202461527U (en) | 2012-03-16 | 2012-03-16 | Controllable atomization device used for producing aluminum powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202461527U true CN202461527U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220099705XU Expired - Fee Related CN202461527U (en) | 2012-03-16 | 2012-03-16 | Controllable atomization device used for producing aluminum powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202461527U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528063A (en) * | 2012-03-16 | 2012-07-04 | 河南省远洋铝业有限公司 | Controllable atomizing device for producing aluminum powder and atomizing method thereof |
| CN108067629A (en) * | 2016-11-15 | 2018-05-25 | 镇江市润州金山金属粉末厂 | A kind of horizontal gas atomization device of production of aluminum powder |
-
2012
- 2012-03-16 CN CN201220099705XU patent/CN202461527U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528063A (en) * | 2012-03-16 | 2012-07-04 | 河南省远洋铝业有限公司 | Controllable atomizing device for producing aluminum powder and atomizing method thereof |
| CN108067629A (en) * | 2016-11-15 | 2018-05-25 | 镇江市润州金山金属粉末厂 | A kind of horizontal gas atomization device of production of aluminum powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The western part of Changyuan County, Xinxiang City People's road 453400 in Henan Province Patentee after: HENAN YUANYANG POWDER TECHNOLOGY CO., LTD. Address before: The western part of Changyuan County, Xinxiang City People's road 453400 in Henan Province Patentee before: Henan Province Yuanyang Aluminum Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20180316 |