CN216461746U - Rene powder reduction production device - Google Patents
Rene powder reduction production device Download PDFInfo
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- CN216461746U CN216461746U CN202122174787.1U CN202122174787U CN216461746U CN 216461746 U CN216461746 U CN 216461746U CN 202122174787 U CN202122174787 U CN 202122174787U CN 216461746 U CN216461746 U CN 216461746U
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- heating furnace
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- reduction production
- powder reduction
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Abstract
The utility model discloses a rhenium powder reduction production device which comprises a heating furnace, wherein one end of the heating furnace is provided with a material spray gun, and the other end of the heating furnace is provided with a hydrogen pipeline. The rhenium powder reduction production device with the structure can effectively prolong the material reaction time, ensure that the material is fully contacted with hydrogen, and has the advantages of short preparation time, low energy consumption, high efficiency and environmental protection.
Description
Technical Field
The utility model relates to the field of rhenium powder production, in particular to a rhenium powder reduction production device.
Background
Rhenium is a rare refractory metal, is rare and dispersed in the crust, is one of the most rare elements in the crust, and estimates as a billionth of average content. Rhenium metal has the physical characteristics of high hardness, high mechanical strength, good plasticity and good mechanical stability, as well as excellent chemical characteristics of catalytic activity and corrosion resistance.
Rhenium has a melting point as high as 3180 ℃, is second only to tungsten, has strong acid and alkali corrosion resistance, and is not oxidized in air. Rhenium is used as a rare refractory material, has excellent thermal vibration resistance and excellent creep resistance, does not cause mechanical damage under larger thermal expansion, is widely applied to heating elements, high-temperature alloys, high-temperature corrosion-resistant coatings and the like, and has ever-decreasing market demands. In recent years, due to the breakthrough of the preparation technology of the rhenium-containing nickel-based high-temperature alloy for the aeroengine in China, the market demands of semiconductor materials, high-end thermal materials and petroleum smelting are increased, and the market application of high-purity rhenium is greatly expanded.
The traditional high-purity rhenium powder is generally obtained by calcining and reducing high-purity ammonium rhenate, and the specific method comprises the following steps: and grinding and crushing the ammonium rhenate, calcining and reducing the ammonium rhenate in a hydrogen atmosphere to obtain rhenium powder, and grinding and crushing the ammonium rhenate to obtain the rhenium powder with proper granularity and distribution, so that the later period is much longer than the time of the manufacturing reaction, and the energy consumption of equipment is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a production device for reducing rhenium powder by ammonium rhenate, which is efficient, environment-friendly and high in yield.
The technical scheme adopted by the utility model is as follows: the utility model provides a rhene powder reduction apparatus for producing, includes the heating furnace, heating furnace one end is equipped with the material spray gun, and its other end is equipped with the hydrogen pipeline.
As a further improvement of the utility model, the material spray gun extends into the heating furnace body, and the material spray gun and the heating furnace body have a certain inclination angle.
As a further improvement of the utility model, the heating furnace comprises a flue gas outlet, a heating reduction area and a discharge hole.
As a further development of the utility model, the material injection lance is located in the flue gas outlet for injecting material.
As a further improvement of the utility model, the hydrogen pipeline is positioned at the bottom of the heating furnace, and the hydrogen pipeline positioned in the furnace body of the heating furnace has an upward inclination angle.
As a further improvement of the utility model, the heating furnace body is of a long and narrow shape.
As a further improvement of the utility model, a heating reduction area of the heating furnace is provided with a heating resistance wire.
As a further improvement of the utility model, one end of the material spray gun is connected with the heating furnace, and the other end of the material spray gun is connected with the charging bin.
The utility model has the following beneficial effects: the rhenium powder reduction production device with the structure can effectively prolong the reaction time of the materials, ensure that the materials are fully contacted with hydrogen, and has the advantages of short preparation time, low energy consumption, high efficiency and environmental protection.
Drawings
FIG. 1 is a schematic view of the present invention.
Shown in the figure: 1 charging bin, 2 material spray guns, 3 flue gas outlets, 4 heating resistance wires, 5 heating furnaces, 6 hydrogen pipelines, 7 discharge ports and 8 high-purity collection crucibles.
Detailed Description
The utility model will be further described with reference to fig. 1.
As shown in fig. 1, the rhenium powder reduction production device is composed of a material spray gun 2, a hydrogen pipeline 6 and a heating furnace 5.
Further, the material spray gun extends into the heating furnace body, and the material spray gun and the heating furnace body have a certain inclination angle, so that the materials entering the furnace enter the furnace body at a certain tangential angle, the falling distance of the materials is further increased, and the reaction time of the materials is prolonged.
Further, the heating furnace 5 comprises a flue gas outlet 3, a heating reduction area and a discharge hole. The bottommost part of the heating furnace is a discharge hole, and the reacted rhenium powder is placed into a bottom high-purity collecting crucible 8 through the discharge hole 7.
Further, the material spray gun 2 is positioned in the middle of the smoke outlet 3 and plays a role in spraying materials.
Furthermore, the hydrogen pipeline 6 is positioned at the bottom of the heating furnace 5 and plays a role of blowing hydrogen, and the hydrogen pipeline positioned in the furnace body of the heating furnace has an upward inclination angle, so that the hydrogen and the material flow reversely, the material is ensured to be fully contacted with the hydrogen, and the reaction is complete.
Further, the heating furnace 5 is a long and narrow furnace body, so that sufficient descending time for reduction reaction can be ensured after the ammonium rhenate material is sprayed into the heating zone from the material spray gun 2.
Further, ammonium rhenate powder was loaded in the hopper 1 and injected into the furnace 5 through the material spray gun 2.
The ammonium rhenate powder that will grind fine is adorned in loading bin 1, spouts the ammonium rhenate powder into the heating furnace through material spray gun 2, and the spray gun tail end has certain angle of inclination with the furnace body for the ammonium rhenate material of entering the furnace gets into the furnace body with certain tangential angle, and then increases the material tenesmus distance, and the extension material reaction is long. The furnace body is made into a long and narrow shape, so that the reaction time of materials is further prolonged, and the ammonium rhenate is ensured to fully react in the descending process. The hydrogen pipeline 6 is positioned at the bottom of the furnace body, high-purity hydrogen is blown in at a low speed from bottom to top, the hydrogen and the ammonium rhenate material flow reversely, the ammonium rhenate is ensured to be fully contacted with the hydrogen, the reaction is complete, meanwhile, the hydrogen pipeline is also arranged at the bottommost part of the furnace body, and if the ammonium rhenate powder has a little unreacted, the reaction can be further reduced. The upper part of the heating furnace 5 is a flue gas outlet 3, the furnace body is wrapped by a heating wire 4 to play a role of heating the furnace body, the bottommost part is a discharge hole 7, and the rhenium powder can be put into a high-purity collecting crucible 8 after the reaction is finished.
It needs to be particularly noted that in the using process of the device, the ammonium rhenate raw material needs to be finely ground into powder smaller than 13 μm, the inner wall of the heating furnace 5 is a high-purity quartz tube, the temperature of a heating zone of the heating furnace 5 is 850-1050 ℃, and the purity of the introduced hydrogen is more than or equal to 99.999%.
The rhenium powder reduction production device with the structure can effectively prolong the reaction time of the materials, ensure that the materials are fully contacted with hydrogen, and has the advantages of short preparation time, low energy consumption, high efficiency and environmental protection.
It should be understood by those skilled in the art that the protection scheme of the present invention is not limited to the above-mentioned embodiments, and various permutations, combinations and modifications can be made on the above-mentioned embodiments without departing from the spirit of the present invention, and the modifications are within the scope of the present invention.
Claims (5)
1. A rhenium powder reduction production device is characterized by comprising a heating furnace (5), wherein one end of the heating furnace (5) is provided with a material spray gun (2), and the other end of the heating furnace is provided with a hydrogen pipeline (6); the material spray gun extends into the heating furnace body, and the material spray gun and the heating furnace body have a certain inclination angle; the hydrogen pipeline (6) is positioned at the bottom of the heating furnace (5), and the hydrogen pipeline positioned in the furnace body of the heating furnace has an upward inclination angle; the furnace body of the heating furnace is long and narrow.
2. A rhenium powder reduction production apparatus according to claim 1, characterised in that the heating furnace (5) includes a flue gas outlet (3), a heating reduction zone and a discharge opening (7).
3. A rhenium powder reduction production apparatus according to claim 2 characterised in that the material injection lance (2) is located in the flue gas outlet (3) for injecting material.
4. A rhenium powder reduction production apparatus according to claim 1, characterised in that the heating reduction zone of the heating furnace is provided with heating resistance wires (4).
5. A rhenium powder reduction production apparatus according to any one of claims 1 to 4, characterised in that one end of the material injection lance (2) is connected to the heating furnace (5) and the other end is connected to the charging bin (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122174787.1U CN216461746U (en) | 2021-09-09 | 2021-09-09 | Rene powder reduction production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122174787.1U CN216461746U (en) | 2021-09-09 | 2021-09-09 | Rene powder reduction production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216461746U true CN216461746U (en) | 2022-05-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122174787.1U Active CN216461746U (en) | 2021-09-09 | 2021-09-09 | Rene powder reduction production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216461746U (en) |
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2021
- 2021-09-09 CN CN202122174787.1U patent/CN216461746U/en active Active
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