CN204747509U - Sintered nd -Fe -B's garrulous stove reaction cylinder of hydrogen - Google Patents
Sintered nd -Fe -B's garrulous stove reaction cylinder of hydrogen Download PDFInfo
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- CN204747509U CN204747509U CN201520452574.2U CN201520452574U CN204747509U CN 204747509 U CN204747509 U CN 204747509U CN 201520452574 U CN201520452574 U CN 201520452574U CN 204747509 U CN204747509 U CN 204747509U
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- conical head
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- hydrogen
- reaction tube
- sintered ndfeb
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Abstract
The utility model discloses a sintered nd -Fe -B's garrulous stove reaction cylinder of hydrogen, it is including section of thick bamboo body, and set up first conical head and the second toper head at section of thick bamboo body both ends respectively, this internal reaction chamber that is provided with of a section of thick bamboo, the feed inlet has been seted up on the first conical head, the discharge gate has been offered on the second toper head, feed inlet and discharge gate are linked together with the reaction chamber respectively, all be provided with the air inlet on first conical head and the second toper head, be provided with a helical blade on the inner wall of reaction chamber. The utility model discloses a blade makes its hydrogen with the middle part fully contact the top of neodymium iron boron thin slice at rotatory chronozone to reaction chamber, and this blade be the heliciform moreover, can be with neodymium iron boron thin slice area to different positions, and do not confine a position to, all thin slices of messenger's intracavity can all reaction.
Description
Technical field
The utility model relates to the manufacturing equipment field of sintered NdFeB, is specifically related to a kind of hydrogen crushing furnace reaction tube of sintered NdFeB.
Background technology
Along with the development of science and technology, current neodymium iron boron rare earth permanent magnet device plays an important role in each electronic product as indispensable electronic component.The main production process of sintered NdFeB comprises that batching, melting, hydrogen are broken, airflow milling, isostatic pressed, forming and sintering etc., the broken flow process of hydrogen is wherein the hydrogen absorption characteristic utilizing rare earth intermetallic compound, under Nd Fe B alloys is placed in hydrogen environment, hydrogen enters alloy along rich neodymium phase thin layer, make it expansion explosion and broken, along rich neodymium phase layer place cracking, thus thin slice is made to become powder.In the broken process of hydrogen, the high-speed friction between powder produces a large amount of heats, if do not carry out cooling processing to body of heater, will produce significant impact, the performance of powder is reduced, thus causes the performance inconsistency lattice of product the performance of powder.
The reaction chamber inwall of the hydrogen crushing furnace reaction tube of existing sintered NdFeB is smooth, and therefore the upset degree of neodymium iron boron thin slice is very little, fully can not contact with the hydrogen in cylindrical shell, causes thin slice to react insufficient, thus causes the performance inconsistency lattice of product.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide a kind of hydrogen crushing furnace reaction tube making the sintered NdFeB of neodymium iron boron thin slice sufficient reacting.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of hydrogen crushing furnace reaction tube of sintered NdFeB, it comprises a body, and be separately positioned on the first conical head and second conical head at a body two ends, reaction chamber is provided with in cylinder body, first conical head offers charging aperture, second conical head offers discharging opening, charging aperture is connected with reaction chamber respectively with discharging opening, first conical head and the second conical head are provided with air inlet, the inwall of reaction chamber are provided with the first helical blade.
Wherein, the first helical blade is many groups, and many groups the first helical blade is evenly arranged on the inwall of reaction chamber.
Wherein, the inwall of the first conical head is also evenly provided with many groups the second helical blade.
Wherein, the outer surface at cylinder body two ends is provided with locating ring.
Wherein, the discharge outlet of the second conical head is provided with screen pack.
Wherein, screen pack is fixedly mounted on the second conical head by end cap.
Wherein, the outer wall of the first conical head is provided with multiple first hanger.
Wherein, the outer wall of the second conical head is provided with multiple second hanger.
(3) beneficial effect
Compared with prior art, neodymium iron boron thin slice is brought to the top of reaction chamber by blade of the present utility model when rotated, it is made fully to contact with the hydrogen at middle part, and this blade is helical form, neodymium iron boron thin slice can be brought to diverse location, and be not limited to a position, make all thin slices in chamber can sufficient reacting.
Accompanying drawing explanation
Fig. 1 is the perspective view of the hydrogen crushing furnace reaction tube of the utility model sintered NdFeB.
Fig. 2 is the horizontal section structural representation of the hydrogen crushing furnace reaction tube of the utility model sintered NdFeB
Fig. 3 is the plan structure schematic diagram of the hydrogen crushing furnace reaction tube of the utility model sintered NdFeB.
In figure, 1-cylinder body; 2-first conical head; 3-second conical head; 4-air inlet; 5-first helical blade; 6-second helical blade; 7-screen pack; 8-end cap; 11-reaction chamber; 12-locating ring; 21-charging aperture; 22-first hanger; 31-discharging opening; 32-second hanger; 33-mounting flange.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
The stereochemical structure of the hydrogen crushing furnace reaction tube of the utility model sintered NdFeB as shown in Figure 1, its horizontal section as shown in Figure 2, its plan structure as shown in Figure 3, the hydrogen crushing furnace reaction tube of this sintered NdFeB comprises a body 1, and be separately positioned on first conical head 2 and second conical head 3 at a body 1 two ends, reaction chamber 11 is provided with in cylinder body 1, first conical head 2 offers charging aperture 21, second conical head 3 offers discharging opening 31, charging aperture 21 is connected with reaction chamber 11 respectively with discharging opening 31, first conical head 2 and the second conical head 3 are provided with air inlet 4, the inwall of reaction chamber 11 is provided with the first helical blade 5.
Above-mentioned first helical blade 5 is many groups, and many groups the first helical blade 5 is evenly arranged on the inwall of reaction chamber 11, and in the present embodiment, this first helical blade 5 adopts 4 groups.
The inwall of the first conical head 2 is also evenly provided with many groups the second helical blade 6, the pitch of this second helical blade 6 is identical with the pitch of the first helical blade 5, can ensure that all products in reaction chamber can react completely further.
The outer surface at cylinder body 1 two ends is provided with locating ring 12, is convenient to reaction tube and is positioned on the rack of reaction tube.
Discharging opening 31 place of the second conical head 3 is provided with mounting flange 33, and screen pack 7 is installed on mounting flange 33, the setting of screen pack, when also there is the thin slice of bulk, ensureing that the product of bulk can not be gone out from discharging opening, avoiding affecting the broken good product of hydrogen.
Screen pack 7 is fixedly mounted on mounting flange 33 by end cap 8, is provided with sealing gasket (not shown) between this end cap and mounting flange, avoids product to leak from gap.
The outer wall of above-mentioned first conical head 2 is provided with multiple first hanger 22, is convenient to product charging.
The outer wall of above-mentioned second conical head 3 is provided with multiple second hanger 32, is convenient to product discharge.
Neodymium iron boron thin slice is brought to the top of reaction chamber by blade of the present utility model when rotated, make it fully contact with the hydrogen at middle part, and this blade is helical form, neodymium iron boron thin slice can be brought to diverse location, and be not limited to a position, make all thin slices in chamber can sufficient reacting.
These are only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. the hydrogen crushing furnace reaction tube of a sintered NdFeB, it is characterized in that: described reaction tube comprises a body (1), and be separately positioned on the first conical head (2) and second conical head (3) at described cylinder body (1) two ends, reaction chamber (11) is provided with in described cylinder body (1), described first conical head (2) offers charging aperture (21), described second conical head (3) offers discharging opening (31), described charging aperture (21) is connected with described reaction chamber (11) respectively with described discharging opening (31), described first conical head (2) and the second conical head (3) are provided with air inlet (4), the inwall of described reaction chamber (11) is provided with the first helical blade (5).
2. the hydrogen crushing furnace reaction tube of sintered NdFeB according to claim 1, it is characterized in that: described first helical blade (5) is many groups, described first helical blade (5) of many groups is evenly arranged on the inwall of described reaction chamber (11).
3. the hydrogen crushing furnace reaction tube of sintered NdFeB according to claim 1, is characterized in that: the inwall of described first conical head (2) is also evenly provided with many groups the second helical blade (6).
4. the hydrogen crushing furnace reaction tube of sintered NdFeB according to claim 1, is characterized in that: the outer surface at described cylinder body (1) two ends is provided with locating ring (12).
5. the hydrogen crushing furnace reaction tube of sintered NdFeB according to claim 1, is characterized in that: discharging opening (31) place of described second conical head (3) is provided with screen pack (7).
6. the hydrogen crushing furnace reaction tube of sintered NdFeB according to claim 5, is characterized in that: described screen pack (7) is fixedly mounted on described second conical head (3) by end cap (8).
7. the hydrogen crushing furnace reaction tube of sintered NdFeB according to claim 1, is characterized in that: the outer wall of described first conical head (2) is provided with multiple first hanger (22).
8. the hydrogen crushing furnace reaction tube of sintered NdFeB according to claim 7, is characterized in that: the outer wall of described second conical head (3) is provided with multiple second hanger (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520452574.2U CN204747509U (en) | 2015-06-25 | 2015-06-25 | Sintered nd -Fe -B's garrulous stove reaction cylinder of hydrogen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520452574.2U CN204747509U (en) | 2015-06-25 | 2015-06-25 | Sintered nd -Fe -B's garrulous stove reaction cylinder of hydrogen |
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| CN204747509U true CN204747509U (en) | 2015-11-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614374A (en) * | 2019-10-08 | 2019-12-27 | 宁波科田磁业有限公司 | Neodymium iron boron cast sheet hydrogen crushing low-oxygen rotary discharging device |
-
2015
- 2015-06-25 CN CN201520452574.2U patent/CN204747509U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614374A (en) * | 2019-10-08 | 2019-12-27 | 宁波科田磁业有限公司 | Neodymium iron boron cast sheet hydrogen crushing low-oxygen rotary discharging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Lin Shan Zhen Feng Qi Road Yuyao 315451 Zhejiang province Ningbo City No. 17 Patentee after: Zhejiang Zhong hang Mstar Technology Ltd Address before: Linshan town Yuyao city Zhejiang province 315460 Ningbo Linpu Village Patentee before: ZHEJIANG ZHONGHANG NEW MATERIAL CO., LTD. |
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| CP03 | Change of name, title or address |