CN220853167U - Neodymium iron boron alloy cooling device - Google Patents
Neodymium iron boron alloy cooling device Download PDFInfo
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- CN220853167U CN220853167U CN202322502679.1U CN202322502679U CN220853167U CN 220853167 U CN220853167 U CN 220853167U CN 202322502679 U CN202322502679 U CN 202322502679U CN 220853167 U CN220853167 U CN 220853167U
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- iron boron
- neodymium iron
- boron alloy
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- 238000001816 cooling Methods 0.000 title claims abstract description 138
- 239000000956 alloy Substances 0.000 title claims abstract description 69
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 64
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 17
- 239000000725 suspension Substances 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 10
- 238000003723 Smelting Methods 0.000 abstract description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 7
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000112 cooling gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a neodymium iron boron alloy cooling device, which relates to the technical field of neodymium iron boron alloy smelting and comprises a cooling tank, a sub-cooling system and a cold dryer, wherein a feed inlet and a discharge outlet are formed in the cooling tank; the sub-cooling system comprises at least one air outlet and a conveying device, the conveying device can convey materials discharged from the discharge outlet of the cooling tank to the air outlet, each air outlet is communicated with the cooling dryer, and cold air output by each air outlet can be conveyed to the materials on the conveying device. The device has solved the low cooling efficiency of neodymium iron boron cooling in-process, and the big problem of artifical intensity of labour promotes the cooling efficiency to the neodymium iron boron alloy after smelting when reducing workman intensity of labour.
Description
Technical Field
The utility model relates to the technical field of neodymium iron boron alloy smelting, in particular to a neodymium iron boron alloy cooling device.
Background
The neodymium-iron-boron permanent magnet is a dominant product in the rare earth permanent magnet industry, is a third-generation rare earth permanent magnet material, and has the characteristics of stronger magnetic performance and easier acquisition of raw materials compared with the first-generation rare earth permanent magnet and the second-generation rare earth permanent magnet. After smelting, the neodymium iron boron alloy needs to be cooled, and the traditional cooling mode is as follows: the neodymium iron boron alloy falls into the water cooling dish, is equipped with nitrogen gas air outlet and stirring fork above the water cooling dish, and the water cooling dish rotates and carries out alloy cooling through nitrogen gas, and the stirring fork constantly turns over, and operating personnel uses the spade to shovel out the alloy in the disc and puts into the container, and the cooling efficiency of this kind of method is low, and the cost of labor is higher. Chinese patent CN106914627a discloses a cooling device for processing neodymium iron boron, the device during operation, molten neodymium iron boron alloy material is discharged by the discharge gate to along the discharge runner to the chill roll motion, actuating mechanism drive chill roll rotates, when molten neodymium iron boron alloy material moves to the chill roll, molten neodymium iron boron alloy material receives the centrifugal action of chill roll, is thrown to the cooling plate and cools off, after the cooling is accomplished, the cooling crystallized neodymium iron boron alloy material is slipped from the cooling plate surface to the material receiving tray, thereby just accomplished the cooling and the collection step of neodymium iron boron alloy, the cost of labor in the cooling process has been reduced. However, in the alloy material cooling process, because the temperature of the cooling plate needs to be reduced by using the cooling gas, part of energy will be dissipated in the cooling process of the cooling plate, and all the alloys are only cooled by the cooling plate once, so that the overall cooling efficiency is poor. Therefore, there is a need for a neodymium iron boron alloy cooling device that can reduce labor intensity of workers and improve cooling efficiency.
Disclosure of utility model
The utility model aims to provide a neodymium iron boron alloy cooling device which solves the problems in the prior art and can improve the cooling efficiency of the smelted neodymium iron boron alloy while reducing the labor intensity of workers.
In order to achieve the above object, the present utility model provides the following solutions:
The utility model provides a neodymium iron boron alloy cooling device which comprises a cooling tank, a sub-cooling system and a cooling dryer, wherein a feed inlet and a discharge outlet are formed in the cooling tank, the feed inlet is positioned above the discharge outlet, a plurality of guide plates are arranged on the inner wall of the cooling tank between the feed inlet and the discharge outlet, the guide plates are sequentially arranged downwards from the feed inlet, two ends of each guide plate are respectively a connecting end and a suspension end, the connecting ends are respectively fixedly connected with the inner wall of the cooling tank, the height from the connecting end to the suspension end of each guide plate is gradually reduced, a distance is reserved between the suspension end and the side wall of the cooling tank, and the vertical downward projection of the suspension end of one guide plate is positioned on the guide plate adjacent to the lower part of the guide plate; the side wall of the cooling tank is also provided with a plurality of air inlets which are communicated with the inside and the outside of the cooling tank, each air inlet is connected and communicated with the cold dryer, and the cold dryer can cool and dry gas; the sub-cooling system comprises at least one air outlet and a conveying device, wherein the conveying device extends from the lower part of the cooling tank discharge hole to the air outlet and can convey materials discharged from the cooling tank discharge hole to the air outlet, the air outlets are communicated with the cooling dryer, and cold air output by the air outlets can be conveyed to the materials on the conveying device.
Preferably, the cooling tank comprises an upper tank and a lower tank, the upper tank is a cylinder with openings at two ends, the lower tank is funnel-shaped, and the circumferential edge of one end of the upper tank is fixedly connected with the circumferential edge of the large end of the lower tank; the opening of the other end of the upper tank is a feed inlet, and the opening of the small end of the lower tank is a discharge outlet.
Preferably, the flow guide plates are provided with six.
Preferably, each guide plate is located in the upper tank and divides the interior of the upper tank into six cooling areas, each cooling area is provided with an air inlet on the side wall of the opposite side of the connecting end of the guide plate at the bottom, and a plurality of air inlets are arranged on the side wall of the lower tank.
Preferably, the conveyor comprises a conveyor belt, the drive rate of which can be adjusted.
Preferably, the number of the air outlets is five, and each air outlet faces to the upper conveying surface of the conveyor belt.
Preferably, the air inlet of the cold dryer is connected and communicated with the dust remover, and the gas subjected to dust removal treatment by the dust remover enters the cold dryer for cooling and drying.
Preferably, the air inlet of the dust remover is connected and communicated with a nitrogen gas conveyor, and the nitrogen gas conveyor can output nitrogen gas to the dust remover.
Compared with the prior art, the utility model has the following technical effects:
The utility model provides a neodymium-iron-boron alloy cooling device, which is used for conveying neodymium-iron-boron alloy in a high-temperature state to a feed inlet, enabling the neodymium-iron-boron alloy to slowly flow down along a guide plate, conveying cold air into a cooling tank through an air inlet, gradually reducing the temperature of the neodymium-iron-boron alloy and finishing primary cooling; the neodymium iron boron alloy falls onto the conveying device through the discharge hole, and is conveyed to the vicinity of the air outlet along with the conveying device, and the air outlet of the sub-cooling system outputs cold air to cool the neodymium iron boron alloy on the conveying device again, so that the two cooling processes are completed during transportation. Therefore, the neodymium iron boron alloy cooling device provided by the utility model has the advantages that the neodymium iron boron alloy is cooled while being transported by arranging the guide plate and the conveying device, so that the labor intensity of workers is reduced; through cooling tank and the twice cooling of sub-cooling system, the time of the cooling of increase has promoted cooling efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a neodymium-iron-boron alloy cooling device according to the present utility model;
In the figure: 1-cooling tank, 11-upper tank, 111-feed inlet, 12-lower tank, 121-discharge outlet, 2-air inlet, 3-deflector, 31-connecting end, 32-suspension end, 4-sub-cooling system, 41-air outlet, 42-conveying device and 5-cooling dryer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a neodymium iron boron alloy cooling device, which solves the problems in the prior art and can improve the cooling efficiency of the smelted neodymium iron boron alloy while reducing the labor intensity of workers.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
The utility model provides a neodymium iron boron alloy cooling device, as shown in figure 1, which comprises a cooling tank 1, a recooling system 4 and a cooling dryer 5, wherein a feed inlet 111 and a discharge outlet 121 are arranged on the cooling tank 1, the feed inlet 111 is positioned above the discharge outlet 121, a plurality of guide plates 3 are arranged on the inner wall of the cooling tank 1 between the feed inlet 111 and the discharge outlet 121, the guide plates 3 are sequentially arranged downwards from the feed inlet 111, the two ends of each guide plate 3 are respectively a connecting end 31 and a suspension end 32, the connecting ends 31 are respectively fixedly connected with the inner wall of the cooling tank 1, the height from the connecting end 31 to the suspension end 32 of each guide plate 3 is gradually reduced, a distance is reserved between each suspension end 32 and the side wall of the cooling tank 1, and the vertical downward projection of the suspension end 32 of one guide plate 3 is positioned on the guide plate 3 adjacent to the lower part of the guide plate 3; the side wall of the cooling tank 1 is also provided with a plurality of air inlets 2 which are communicated with the inside and the outside of the cooling tank 1, each air inlet 2 is connected and communicated with a cold dryer 5, and the cold dryer 5 can cool and dry gas; the sub-cooling system 4 comprises at least one air outlet 41 and a conveying device 42, wherein the conveying device 42 extends from the lower part of the discharge hole 121 to the air outlet 41 and can convey materials discharged from the discharge hole 121 to the air outlet 41, each air outlet 41 is communicated with the cooling and drying machine 5, and cool air output by each air outlet 41 can be conveyed to the materials on the conveying device 42. In the use process, firstly, the neodymium iron boron alloy in a high temperature state is conveyed to the feed inlet 111 of the cooling tank 1, so that the neodymium iron boron alloy slowly flows down along the guide plate 3, and meanwhile, cold air is conveyed into the cooling tank 1 through the air inlet 2, so that the temperature of the alloy is gradually reduced continuously in the process of falling along the guide plate, namely, the first cooling is finished while the alloy is conveyed; then, the neodymium iron boron alloy falls onto the conveying device 42 through the discharge hole 121 at the lower end of the cooling tank 1, and is conveyed to the vicinity of the air outlet 41 along with the conveying device 42, the air outlet 41 of the recooling system 2 outputs cold air to cool the neodymium iron boron alloy on the conveying device 42 again, so that the recooling process is completed while conveying, the cooling efficiency is improved, the workload of workers is reduced, and the cooled alloy is conveyed to a container for alloy collection through the conveying device 42, namely, the collection is completed. Therefore, according to the neodymium iron boron alloy cooling device provided by the utility model, the neodymium iron boron alloy is cooled while being transported by arranging the guide plate 3 and the conveying device 42, so that the workload of workers is reduced; by two cooling of the cooling tank 1 and the sub-cooling system 2, the increased cooling time increases the cooling efficiency.
In a preferred implementation manner of this embodiment, the cooling tank 1 includes an upper tank 11 and a lower tank 12, the upper tank 11 is a cylinder with two ends open respectively, the lower tank 12 is funnel-shaped, and the circumferential edge of one end of the upper tank 11 is fixedly connected with the circumferential edge of the large end of the lower tank 12; the opening at the other end of the upper tank 11 is a feed inlet 111, and the opening at the small end of the lower tank 12 is a discharge outlet 121. The funnel-shaped lower tank 12 further facilitates the discharge of alloy from the outlet 121.
The neodymium iron boron alloy cooling device provided by the utility model can be arranged in the shape of the upper tank and the lower tank according to the needs, for example, the upper tank and the lower tank are both arranged as cylinders with two open ends, so long as the cooling needs can be met.
In a preferred implementation of this embodiment, the baffle 3 is provided with six. The arrangement of six guide plates 3 can further increase the circulation and transportation time of the alloy in the upper tank, so that the alloy is fully contacted with cold air, and the cooling efficiency is further improved.
It should be noted that, in the neodymium iron boron alloy cooling device provided by the utility model, the number of the guide plates can be set according to the needs, for example, five guide plates are arranged, and all the guide plates are installed according to the positions and the connection modes in the embodiment, so long as the actual cooling needs can be met.
In a preferred embodiment of this embodiment, each baffle 3 is located in the upper tank 11 and divides the interior of the upper tank 11 into six cooling areas, each cooling area is provided with an air inlet 2 on a side wall opposite to the connecting end 31 of the baffle 3 at the bottom, and a plurality of air inlets 2 are provided on a side wall of the lower tank 12. The air inlets 2 are arranged in each cooling area of the upper tank 11, so that the cold air can be more uniformly and directly conveyed to the alloy of the guide plate 3 positioned in each cooling area, the alloy is uniformly cooled, and the cooling efficiency is further improved; the air inlet 22 on the lower tank 12 can deliver cool air to the alloy sliding along the lower tank, so that the alloy keeps contact with the cool air, and cooling is quickened.
The neodymium iron boron alloy cooling device provided by the utility model has the advantages that the number of the air inlets and the number of the air outlets can be set according to actual needs, for example, four air inlets are arranged on the side wall of the cooling tank, and two air outlets are arranged near the conveying device, so long as the cooling effect can be ensured to reach the actual needs.
In a preferred implementation of this embodiment, the conveyor 42 comprises a conveyor belt, the drive rate of which can be adjusted. The speed-adjustable conveyor belt is arranged, so that the cooling operation under different conditions can be adapted, for example: if the temperature of the neodymium iron boron alloy falling into the conveyor belt is higher, the rotation speed of the conveyor belt can be preferably regulated to ensure that the alloy is sufficiently cooled in order to meet the cooling requirement; if the temperature of the neodymium iron boron alloy falling into the conveyor belt is lower, the rotation rate of the conveyor belt can be preferably regulated to improve the production efficiency.
In a preferred implementation of this embodiment, there are five air outlets 41, and each air outlet 41 is connected to the upper conveying surface of the conveying device. The five air outlets 41 are arranged to increase the input amount of the cold air, and each air outlet faces the upper conveying surface of the conveying device to enable the cold air to uniformly act on the neodymium iron boron alloy, so that the cooling efficiency is improved.
In a preferred implementation manner of this embodiment, the air inlet of the cold dryer 5 is connected and communicated with the dust remover, and the air after dust removal treatment by the dust remover enters the cold dryer 5 for cooling and drying. The gas input into the cold dryer 5 is the gas after dust removal treatment by the dust remover, and before the gas is introduced into the cold dryer 5, the gas needs to be dedusted in advance, so that impurities in the gas can be prevented from adhering to the neodymium-iron-boron alloy to influence the quality of the alloy.
In a preferred implementation of this embodiment, the air inlet of the dust remover is connected to and communicates with a nitrogen gas conveyor, which is capable of delivering nitrogen gas to the dust remover. The chemical characteristic of nitrogen is comparatively stable, is difficult for taking place the reaction with neodymium iron boron, uses nitrogen to cool down can further guarantee the quality of neodymium iron boron alloy.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (8)
1. The utility model provides a neodymium iron boron alloy cooling device which characterized in that: the cooling device comprises a cooling tank, a sub-cooling system and a cooling dryer, wherein a feed inlet and a discharge outlet are formed in the cooling tank, the feed inlet is located above the discharge outlet, a plurality of guide plates are arranged on the inner wall of the cooling tank between the feed inlet and the discharge outlet, the guide plates are sequentially arranged downwards from the feed inlet, the two ends of each guide plate are respectively a connecting end and a suspension end, the connecting ends are respectively fixedly connected with the inner wall of the cooling tank, the height of each guide plate from the connecting end to the suspension end is gradually reduced, a distance is reserved between each suspension end and the side wall of the cooling tank, and the vertical downward projection of one suspension end of each guide plate is located on the guide plate adjacent to the lower side of the guide plate; the side wall of the cooling tank is also provided with a plurality of air inlets which are communicated with the inside and the outside of the cooling tank, each air inlet is connected and communicated with the cold dryer, and the cold dryer can cool and dry gas;
The sub-cooling system comprises at least one air outlet and a conveying device, wherein the conveying device extends from the lower part of the cooling tank discharge hole to the air outlet and can convey materials discharged from the cooling tank discharge hole to the air outlet, the air outlets are communicated with the cooling dryer, and cold air output by the air outlets can be conveyed to the materials on the conveying device.
2. A neodymium iron boron alloy cooling device according to claim 1, wherein: the cooling tank comprises an upper tank and a lower tank, wherein the upper tank is a cylinder body with two ends respectively opened, the lower tank is funnel-shaped, and the circumferential edge of one end of the upper tank is fixedly connected with the circumferential edge of the large end of the lower tank; the opening of the other end of the upper tank is a feed inlet, and the opening of the small end of the lower tank is a discharge outlet.
3. A neodymium iron boron alloy cooling device according to claim 2, wherein: six guide plates are arranged.
4. A neodymium iron boron alloy cooling device according to claim 3, wherein: each guide plate is positioned in the upper tank and divides the interior of the upper tank into six cooling areas, each cooling area is provided with an air inlet on the side wall of the bottom opposite to the connecting end of the guide plate, and a plurality of air inlets are arranged on the side wall of the lower tank.
5. A neodymium iron boron alloy cooling device according to claim 1, wherein: the conveyor comprises a conveyor belt, the drive rate of which can be adjusted.
6. A neodymium iron boron alloy cooling device according to claim 1, wherein: five air outlets are arranged, and each air outlet faces to the upper conveying surface of the conveyor belt.
7. A neodymium iron boron alloy cooling device according to claim 1, wherein: and an air inlet of the cold dryer is connected and communicated with the dust remover, and the gas subjected to dust removal treatment by the dust remover enters the cold dryer for cooling and drying.
8. A neodymium iron boron alloy cooling device according to claim 7, wherein: the air inlet of the dust remover is connected and communicated with a nitrogen conveyer, and the nitrogen conveyer can output nitrogen to the dust remover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322502679.1U CN220853167U (en) | 2023-09-14 | 2023-09-14 | Neodymium iron boron alloy cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322502679.1U CN220853167U (en) | 2023-09-14 | 2023-09-14 | Neodymium iron boron alloy cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220853167U true CN220853167U (en) | 2024-04-26 |
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ID=90784956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322502679.1U Active CN220853167U (en) | 2023-09-14 | 2023-09-14 | Neodymium iron boron alloy cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220853167U (en) |
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2023
- 2023-09-14 CN CN202322502679.1U patent/CN220853167U/en active Active
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