WO2021062651A1 - 一种钕铁硼磁铁用防热量流失的高效熔炼炉 - Google Patents

一种钕铁硼磁铁用防热量流失的高效熔炼炉 Download PDF

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WO2021062651A1
WO2021062651A1 PCT/CN2019/109497 CN2019109497W WO2021062651A1 WO 2021062651 A1 WO2021062651 A1 WO 2021062651A1 CN 2019109497 W CN2019109497 W CN 2019109497W WO 2021062651 A1 WO2021062651 A1 WO 2021062651A1
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fixedly connected
protective
furnace
heat loss
heating
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PCT/CN2019/109497
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English (en)
French (fr)
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朱明�
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江西荧光磁业有限公司
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Priority to PCT/CN2019/109497 priority Critical patent/WO2021062651A1/zh
Publication of WO2021062651A1 publication Critical patent/WO2021062651A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs

Definitions

  • the invention relates to the technical field of neodymium iron boron magnet processing, in particular to an efficient smelting furnace for preventing heat loss for neodymium iron boron magnets.
  • neodymium iron boron magnets are second only to permanent magnets with absolute zero-degree holmium magnets, and they are also the most commonly used rare earth magnets.
  • Neodymium iron boron magnets are widely used in electronic products, such as hard drives, mobile phones, earphones, and battery-powered tools.
  • NdFeB magnets need to be smelted in a smelting furnace during the production process.
  • the purpose of the present invention is to provide a high-efficiency smelting furnace for NdFeB magnets to prevent heat loss, so as to solve the problem of the existing smelting furnaces for NdFeB magnets proposed in the background art.
  • the problem of heat loss occurs, which causes a lot of heat to be wasted during the heating process of the smelting furnace, which reduces the smelting speed of the material and at the same time reduces the problem of the quality of the material smelting.
  • an efficient smelting furnace for neodymium iron boron magnets with heat loss prevention comprising a support base, the upper end of the support base is fixedly connected with a support frame, and the inner side of the support frame is rotatably connected with a rotating shaft
  • a protective shell is fixedly connected to the inner side of the rotating shaft, and the protective shell is rotatably connected to the support frame through the rotating shaft, the protective shell is fixedly connected with a heat insulating layer inside, and a protective inner shell is fixedly connected to the inner side of the heat insulating layer.
  • the heat insulation layer and the upper end of the protective inner shell are provided with mounting holes, the inner side of the protective inner shell is fixedly connected with a heating furnace body, and the outer side of the heating furnace body is fixedly connected with a heating tube, and the upper end of the heating furnace body is fixedly connected with a feed tube , And the inside of the feed pipe is provided with a sealing groove, the upper end of the feed pipe is detachably connected with a furnace cover, and the lower end of the furnace cover is fixedly connected with a sealing block, and the sealing block and the sealing groove are engaged with each other, and the outside of the furnace cover is fixed
  • the clamping block is connected, and the upper end of the furnace cover is fixedly connected with a handle, the upper end of the protective shell is fixedly connected with a clamping piece, and the clamping piece and the clamping block are mutually clamped.
  • the shape and size of the protective outer shell and the thermal insulation layer are adapted to the protective inner shell, and the thermal insulation layer is a rigid plate structure made of aerogel felt.
  • the inner diameter of the mounting hole is equal to the outer diameter of the feed pipe, and the seal groove inside the feed pipe matches the shape and size of the seal block at the lower end of the furnace cover.
  • the sealing block and the sealing groove are engaged with each other, the lower end of the engaging block and the upper end of the protective shell are attached to each other, and there are two sets of engaging blocks symmetrically distributed with respect to the vertical center line of the furnace cover.
  • the shape and size of the clamping member and the clamping block are adapted, and there are two groups of clamping members corresponding to the clamping block.
  • the heating tube is spirally wound around the outer side of the heating furnace body, and the outer side of the heating tube is not attached to the inner side of the protective inner shell.
  • the beneficial effect of the present invention is that the neodymium iron boron magnet is used in a high-efficiency smelting furnace that prevents heat loss.
  • a sealing block at the lower end of the furnace cover and at the same time, the upper end of the feed pipe is provided with a sealing groove to be able to communicate with the sealing block.
  • Mutual engagement, and the outer side of the furnace cover is provided with a latching block that can engage with the upper end of the protective shell, so that the smelting furnace is kept in a sealed state during the processing, and will not be loosened due to the heat generated by the smelting, preventing The heat inside the furnace body is radiated from the furnace cover, which increases the heat protection at the furnace cover.
  • a protective outer shell and a protective inner shell are added on the outside of the heating furnace body, and aerogel is filled between the protective outer shell and the protective inner shell.
  • the insulation layer of felt material can prevent the overall heat loss when the heating furnace body is heated, so that the heating furnace body can be heated quickly, and there will be no heat loss during the heating process, which increases the speed and effect of material smelting.
  • Figure 1 is a schematic diagram of the three-dimensional structure of the present invention.
  • Figure 2 is a schematic diagram of the split structure of the present invention.
  • Figure 3 is a schematic cross-sectional structure diagram of the present invention.
  • a high-efficiency smelting furnace for NdFeB magnets to prevent heat loss including a support base 1, a support frame 2 fixedly connected to the upper end of the support base 1, and the support frame 2
  • the inner side is rotatably connected with a shaft 3
  • the inner side of the shaft 3 is fixedly connected with a protective shell 4
  • the protective shell 4 is rotatably connected with the support frame 2 through the shaft 3
  • the protective shell 4 is fixedly connected with a heat insulation layer 5 inside, and the inner side of the heat insulation layer 5 is fixed
  • a protective inner shell 6 is connected.
  • the upper ends of the protective outer shell 4, the heat insulation layer 5 and the protective inner shell 6 are provided with mounting holes 7; the inside of the protective inner shell 6 is fixedly connected with a heating furnace body 8, and the outside of the heating furnace body 8 is fixedly connected with heating Tube 16, the upper end of the heating furnace body 8 is fixedly connected with a feed tube 9, and the feed tube 9 is provided with a sealing groove 10 inside, the upper end of the feed tube 9 is detachably connected with a furnace cover 11, and the lower end of the furnace cover 11 is fixedly connected with a seal Block 12, and the sealing block 12 and the sealing groove 10 are locked with each other, the outer side of the furnace cover 11 is fixedly connected with a locking block 13, and the upper end of the furnace cover 11 is fixedly connected with a handle 14, and the upper end of the protective shell 4 is fixedly connected with a clamping piece 15, and The clamping member 15 and the clamping block 13 are engaged with each other.
  • the shape and size of the protective shell 4, the thermal insulation layer 5 and the protective inner shell 6 are adapted, and the thermal insulation layer 5 is a rigid plate structure made of aerogel felt, and the protective shell 4, the thermal insulation layer 5 and the protective inner shell The shell 6 can enclose the heating furnace body 8 to protect the heating furnace body 8. At the same time, the heat insulation layer 5 made of aerogel felt can prevent the heat loss of the heating furnace body 8, thereby increasing the overall smelting effect.
  • the inner diameter of the mounting hole 7 is equal to the outer diameter of the feed pipe 9, and the sealing groove 10 inside the feed pipe 9 matches the shape and size of the sealing block 12 at the lower end of the furnace cover 11.
  • the inner side of the mounting hole 7 can be the same as the feed pipe
  • the outer sides of 9 are attached to each other to ensure that there will be no air leakage at the connection between the feeding tube 9 and the mounting hole 7.
  • the sealing groove 10 and the sealing block 12 can be locked to each other to enhance the sealing performance of the furnace cover 11 and the feeding tube 9 to prevent hot air leakage.
  • the sealing block 12 and the sealing groove 10 are engaged with each other, the lower end of the engaging block 13 and the upper end of the protective shell 4 are attached to each other, and the engaging blocks 13 are symmetrically distributed in two groups with respect to the vertical center line of the furnace cover 11.
  • the sealing block 12 When the sealing groove 10 is engaged with each other, the engaging block 13 can be inserted into the inside of the clamping member 15 so that the furnace cover 11 is fixed more stably, thereby preventing the leakage of hot gas at the furnace cover 11.
  • the shape and size of the clamping member 15 and the clamping block 13 are adapted, and the clamping member 15 corresponds to the clamping block 13 in two groups.
  • the clamping member 15 and the clamping block 13 can be locked with each other, thereby preventing the melting process in the melting furnace.
  • the middle furnace cover 11 moves to ensure the stability of the melting furnace during melting.
  • the heating tube 16 is spirally wound on the outside of the heating furnace body 8, and the outside of the heating tube 16 is not attached to the inside of the protective inner shell 6, and the heating tube 16 is wound on the outside of the heating furnace body 8, which can evenly heat the furnace body. 8 for heating, while the heating tube 16 is not attached to the protective inner shell 6 to prevent the heating tube 16 from directly contacting the protective inner shell 6 and damage the protective inner shell 6, thereby increasing the safety of the device.
  • Working principle First, grab the handle 14 and turn the furnace cover 11 to disengage the locking block 13 on the outside of the furnace cover 11 from the inside of the clamping piece 15, open the furnace cover 11, and put the material to be smelted into the heating furnace body 8, and then Align the sealing block 12 at the lower end of the furnace cover 11 with the sealing groove 10 and cover the furnace cover 11, then press the furnace cover 11 to make the lower end of the engaging block 13 fit the upper end of the protective shell 4, and rotate the furnace cover 11 to make the engaging block 13 and the clamping member 15 are engaged with each other to keep the furnace cover 11 stable, and at the same time, the heating tube 16 outside the heating furnace body 8 heats the heating furnace body 8.
  • the protective outer shell 4 and the inner protective shell 6 are filled
  • the heat insulation layer 5 made of aerogel felt can prevent the heat loss of the heating furnace body 8 to achieve the effect of heat preservation, thereby speeding up the heating of the heating furnace body 8.
  • the sealing block 12 and the sealing groove 10 can be locked with each other to prevent the furnace cover 11
  • the heat loss at the place increases the overall smelting effect. After smelting, open the furnace cover 11 and rotate the protective casing 4, so that the shaft 3 drives the heating furnace body 8 to rotate and pour out the smelted liquid.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Abstract

一种钕铁硼磁铁用防热量流失的高效熔炼炉，包括支撑底座(1)，所述支撑底座(1)上端固定连接有支撑架(2)，且支撑架(2)内侧转动连接有转轴(3)，所述转轴(3)内侧固定连接有保护外壳(4)，且保护外壳(4)通过转轴(3)与支撑架(2)转动连接，所述保护外壳(4)内部固定连接有隔热层(5)，所述保护内壳(6)内侧固定连接有加热炉体(8)，进料管(9)上端可拆卸连接有炉盖(11)，且炉盖(11)下端固定连接有密封块(12)，且密封块(12)与密封槽(10)相互卡合，所述炉盖(11)外侧固定连接有卡合块(13)，且炉盖(11)上端固定连接有把手(14)，所述保护外壳(4)上端固定连接有卡件(15)。该钕铁硼磁铁用防热量流失的高效熔炼炉防止加热炉体加热时整体的热量流失，使加热炉体可以快速加热，且加热过程中不会有热气流失，增加了材料熔炼的速度和效果。

Description

一种钕铁硼磁铁用防热量流失的高效熔炼炉 技术领域
本发明涉及钕铁硼磁铁加工技术领域，具体为一种钕铁硼磁铁用防热量流失的高效熔炼炉。
背景技术
钕铁硼磁铁现今磁性仅次于绝对零度钬磁铁的永久磁铁，也是最常使用的稀土磁铁，钕铁硼磁铁被广泛地应用于电子产品，例如硬盘、手机、耳机以及用电池供电的工具等，钕铁硼磁铁生产过程中需要使用熔炼炉进行熔炼。
但是现有的钕铁硼磁铁用熔炼炉，在对材料进行熔炼的过程中，经常会出现热量散失的问题，导致熔炼炉加热过程中会浪费许多热量，使材料的熔炼速度下降，同时降低了材料熔炼品质。
发明内容
本发明的目的在于提供一种钕铁硼磁铁用防热量流失的高效熔炼炉，以解决上述背景技术中提出现有的钕铁硼磁铁用熔炼炉，在对材料进行熔炼的过程中，经常会出现热量散失的问题，导致熔炼炉加热过程中会浪费许多热量，使材料的熔炼速度下降，同时降低了材料熔炼品质的问题。
为实现上述目的，本发明提供如下技术方案：一种钕铁硼磁铁用防热量流失的高效熔炼炉，包括支撑底座，所述支撑底座上端固定连接有支撑架，且支撑架内侧转动连接有转轴，所述转轴内侧固定连接有保护外壳，且保护外壳通过转轴与支撑架转动连接，所述保护外壳内部固定连接有隔热层，且隔热层内侧固定连接有保护内壳，所述保护外壳、隔热层与保护内壳上端开设有安装孔，所述保护内壳内侧固定连接有加热炉体，且加热炉体外侧固定连接有加热管，所述加热炉体上端固定连接有进料管，且进料管内部开设有密封槽，所述进料管上端可拆卸连接有炉盖，且炉盖下端固定连接有密封块，且密封块与密封槽相互卡合，所述炉盖外侧固定连接有卡合块，且炉盖上端 固定连接有把手，所述保护外壳上端固定连接有卡件，且卡件与卡合块相互卡合。
优选的，所述保护外壳、隔热层与保护内壳的形状大小相适配，且隔热层为气凝胶毡材质的硬性板结构。
优选的，所述安装孔内径与进料管外径相等，且进料管内部的密封槽与炉盖下端的密封块形状大小相适配。
优选的，所述密封块与密封槽相互卡合时卡合块下端与保护外壳上端相互贴合，且卡合块关于炉盖的垂直中心线对称分布有两组。
优选的，所述卡件与卡合块形状大小相适配，且卡件对应卡合块分布有两组。
优选的，所述加热管呈螺旋状盘绕在加热炉体外侧，且加热管外侧与保护内壳内侧不贴合。
与现有技术相比，本发明的有益效果是：该钕铁硼磁铁用防热量流失的高效熔炼炉，通过在炉盖下端增加密封块，同时进料管上端开设有密封槽可以与密封块相互卡合，且炉盖外侧设置有卡合块可以和保护外壳上端的卡件相互卡合，从而使熔炼炉在加工过程中保持密封状态，且不会因为熔炼产生的热气而发生松动，防止炉体内部的热量从炉盖处散发出去，增加了炉盖处的热量保护，同时在加热炉体外侧增加了保护外壳和保护内壳，且保护外壳和保护内壳之间填充有气凝胶毡材质的隔热层，可以防止加热炉体加热时整体的热量流失，使加热炉体可以快速加热，且加热过程中不会有热气流失，增加了材料熔炼的速度和效果。
附图说明
图1为本发明立体结构示意图；
图2为本发明拆分结构示意图；
图3为本发明剖面结构示意图。
图中：1、支撑底座；2、支撑架；3、转轴；4、保护外壳；5、隔热层；6、保护内壳；7、安装孔；8、加热炉体；9、进料管；10、密封槽；11、炉盖；12、密封块；13、卡合块；14、把手；15、卡件；16、加热管。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1-3，本发明提供一种技术方案：一种钕铁硼磁铁用防热量流失的高效熔炼炉，包括支撑底座1，支撑底座1上端固定连接有支撑架2，且支撑架2内侧转动连接有转轴3，转轴3内侧固定连接有保护外壳4，且保护外壳4通过转轴3与支撑架2转动连接，保护外壳4内部固定连接有隔热层5，且隔热层5内侧固定连接有保护内壳6，保护外壳4、隔热层5与保护内壳6上端开设有安装孔7，保护内壳6内侧固定连接有加热炉体8，且加热炉体8外侧固定连接有加热管16，加热炉体8上端固定连接有进料管9，且进料管9内部开设有密封槽10，进料管9上端可拆卸连接有炉盖11，且炉盖11下端固定连接有密封块12，且密封块12与密封槽10相互卡合，炉盖11外侧固定连接有卡合块13，且炉盖11上端固定连接有把手14，保护外壳4上端固定连接有卡件15，且卡件15与卡合块13相互卡合。
进一步的，保护外壳4、隔热层5与保护内壳6的形状大小相适配，且隔热层5为气凝胶毡材质的硬性板结构，保护外壳4、隔热层5与保护内壳6可以将加热炉体8包在其中，对加热炉体8进行保护，同时气凝胶毡材质的隔热层5可以防止加热炉体8的热量流失，从而增加整体熔炼效果。
进一步的，安装孔7内径与进料管9外径相等，且进料管9内部的密封槽10与炉盖11下端的密封块12形状大小相适配，安装孔7内侧可以和进料 管9外侧相互贴合，保证进料管9与安装孔7连接处不会漏气，同时密封槽10与密封块12相互卡合可以使炉盖11和进料管9的密封性增强，防止热气泄漏。
进一步的，密封块12与密封槽10相互卡合时卡合块13下端与保护外壳4上端相互贴合，且卡合块13关于炉盖11的垂直中心线对称分布有两组，密封块12与密封槽10相互卡合时卡合块13可以卡入卡件15内部，从而使炉盖11固定更加稳定，从而防止炉盖11处发生热气泄漏。
进一步的，卡件15与卡合块13形状大小相适配，且卡件15对应卡合块13分布有两组，卡件15与卡合块13可以相互卡合，从而防止熔炼炉熔炼过程中炉盖11发生移动，保证熔炼炉熔炼时的稳定性。
进一步的，加热管16呈螺旋状盘绕在加热炉体8外侧，且加热管16外侧与保护内壳6内侧不贴合，加热管16盘绕在加热炉体8外侧，可以均匀的对加热炉体8进行加热，同时加热管16与保护内壳6不贴合，防止加热管16与保护内壳6直接接触而使保护内壳6损伤，增加了装置的安全性。
工作原理：首先抓住把手14转动炉盖11使炉盖11外侧的卡合块13从卡件15内部脱离，并将炉盖11打开，将需要熔炼的材料放入加热炉体8内部，接着将炉盖11下端的密封块12对准密封槽10并将炉盖11盖上，接着按住炉盖11使卡合块13下端贴合保护外壳4上端，并转动炉盖11使卡合块13和卡件15相互卡合，从而使炉盖11保持稳定，同时加热炉体8外侧的加热管16对加热炉体8进行加热，在加热过程中，保护外壳4和保护内壳6内侧填充的气凝胶毡材质的隔热层5可以防止加热炉体8的热量流失达到保温的效果，从而加快加热炉体8的加热，同时密封块12与密封槽10相互卡合可以防止炉盖11处的热气流失，增加了整体的熔炼效果，熔炼结束后，打开炉盖11并转动保护外壳4，使转轴3带动加热炉体8旋转并将熔炼后的液体倒出即可。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (6)

  1. 一种钕铁硼磁铁用防热量流失的高效熔炼炉，包括支撑底座(1)，其特征在于：所述支撑底座(1)上端固定连接有支撑架(2)，且支撑架(2)内侧转动连接有转轴(3)，所述转轴(3)内侧固定连接有保护外壳(4)，且保护外壳(4)通过转轴(3)与支撑架(2)转动连接，所述保护外壳(4)内部固定连接有隔热层(5)，且隔热层(5)内侧固定连接有保护内壳(6)，所述保护外壳(4)、隔热层(5)与保护内壳(6)上端开设有安装孔(7)，所述保护内壳(6)内侧固定连接有加热炉体(8)，且加热炉体(8)外侧固定连接有加热管(16)，所述加热炉体(8)上端固定连接有进料管(9)，且进料管(9)内部开设有密封槽(10)，所述进料管(9)上端可拆卸连接有炉盖(11)，且炉盖(11)下端固定连接有密封块(12)，且密封块(12)与密封槽(10)相互卡合，所述炉盖(11)外侧固定连接有卡合块(13)，且炉盖(11)上端固定连接有把手(14)，所述保护外壳(4)上端固定连接有卡件(15)，且卡件(15)与卡合块(13)相互卡合。
  2. 根据权利要求1所述的一种钕铁硼磁铁用防热量流失的高效熔炼炉，其特征在于：所述保护外壳(4)、隔热层(5)与保护内壳(6)的形状大小相适配，且隔热层(5)为气凝胶毡材质的硬性板结构。
  3. 根据权利要求1所述的一种钕铁硼磁铁用防热量流失的高效熔炼炉，其特征在于：所述安装孔(7)内径与进料管(9)外径相等，且进料管(9)内部的密封槽(10)与炉盖(11)下端的密封块(12)形状大小相适配。
  4. 根据权利要求1所述的一种钕铁硼磁铁用防热量流失的高效熔炼炉，其特征在于：所述密封块(12)与密封槽(10)相互卡合时卡合块(13)下端与保护外壳(4)上端相互贴合，且卡合块(13)关于炉盖(11)的垂直中心线对称分布有两组。
  5. 根据权利要求1所述的一种钕铁硼磁铁用防热量流失的高效熔炼炉，其特征在于：所述卡件(15)与卡合块(13)形状大小相适配，且卡件(15) 对应卡合块(13)分布有两组。
  6. 根据权利要求1所述的一种钕铁硼磁铁用防热量流失的高效熔炼炉，其特征在于：所述加热管(16)呈螺旋状盘绕在加热炉体(8)外侧，且加热管(16)外侧与保护内壳(6)内侧不贴合。
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JPH02179803A (ja) * 1988-12-28 1990-07-12 Nippon Steel Corp Ｎｄ系永久磁石用フレーク製造用注湯容器
JPH11108560A (ja) * 1997-08-04 1999-04-23 Ariake Serako Kk 金属溶湯の保温炉及び金属溶湯樋
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