阅读说明：本技术 一种增强型稀土电解石墨坩埚 (enhanced rare earth electrolysis graphite crucible ) 是由 黄运蕉 于 2019-10-17 设计创作，主要内容包括：本发明公开了一种增强型稀土电解石墨坩埚,其结构包括：箱体、对流网、板座、翻转轴、观察板,所述箱体侧边位置设有对流网,本发明的有益效果：利用结构中的导热轮摩擦导热的方式使得热量能够以切线切面的形式进行传递,同时利用散热环使得热量以360°的形式持续向下发散,对于石墨炉体的侧边与底边位置则采用间隔加热盘的接热板承接导热轮传递的热量,以点对点的形式逐步扩大热量的发散范围,环形盘的热量以环形向外分布的方式呈八角形网格扩散并且其与石墨炉体之间存有间隙,有效防止石墨炉体产生裂纹影响制取成果。(The invention discloses an enhanced rare earth electrolytic graphite crucible, which structurally comprises: the box body, the convection net, the plate seat, the turnover shaft and the observation plate, wherein the convection net is arranged at the side edge of the box body, and the box body has the beneficial effects that: utilize the mode of the heat conduction of heat conduction wheel friction in the structure to make the heat can transmit with the form of tangent line tangent plane, utilize the heat dissipation ring to make the heat continuously disperse downwards with 360 forms simultaneously, then adopt the heat board that connects of interval heating plate to accept the heat of heat conduction wheel transmission to the side of graphite furnace body and base position, gradually enlarge thermal range of dispersing with point-to-point form, the heat of annular dish is octagon net diffusion and its and graphite furnace body between have the clearance with the mode that the annular outwards distributes, effectively prevent that the graphite furnace body from producing the crackle influence and prepare the achievement.)

1. An enhanced rare earth electrolysis graphite crucible, the structure of which comprises: box (1), convection net (2), board seat (3), trip shaft (4), observation board (5), its characterized in that:

The side position of box (1) is equipped with convection net (2), and board seat (3) are located box (1) openly and link to each other with it, and trip shaft (4) are located between board seat (3) and are connected with observation board (5), and observation board (5) swing joint box (1).

2. The enhanced rare earth electrolytic graphite crucible according to claim 1, wherein: the box (1) comprises heat preservation casing (7), heating element board (8), heat conduction wheel (9), fan (10), radiating ring (11), graphite furnace body (12), interval heating plate (13), base (14), both sides are equipped with heating element board (8) in heat preservation casing (7), and heating element board (8) distribute has heat conduction wheel (9) that a plurality of equidistance was arranged, and heat conduction wheel (9) meet with interval heating plate (13), and interval heating plate (13) top position one end is connected graphite furnace body (12) and bottom position and is equipped with base (14).

3. The enhanced rare earth electrolytic graphite crucible according to claim 2, wherein: the radiating ring (11) is composed of a heat conducting pipe (16), an electromagnetic coil (17), a protective cover (18), a controller (19) and a bearing frame (20), the electromagnetic coil (17) is wound on the surface of the heat conducting pipe (16) and connected with the surface of the heat conducting pipe, the protective cover (18) is arranged outside the electromagnetic coil (17) and connected with the controller (19), and the bottom of the controller (19) is connected with the bearing frame (20).

4. The enhanced rare earth electrolytic graphite crucible according to claim 2, wherein: the interval heating plate (13) is composed of a heat insulation shell (22), an annular plate (23), a heat collecting plate (24), a heat supply layer (25) and a heat control block (26), the heat collecting plate (24) is arranged on the outer side of the heat insulation shell (22), the inner side of the heat insulation shell is connected with the heat supply layer (25), and the heat supply layer (25) is connected with the annular plate (23) through the heat control block (26).

5. The enhanced rare earth electrolytic graphite crucible according to claim 4, wherein: annular dish (23) are become by radiation protection layer (28), linear pipe (29), heat energy reflection stratum (30), infrared generator (31), linear pipe (29) are accepted to radiation protection layer (28) inner circle, and linear pipe (29) hookup heat energy reflection stratum (30), and heat energy reflection stratum (30) are the annular distribution in infrared generator (31) side position.

Technical Field

the invention relates to the field of graphene processing, in particular to an enhanced rare earth electrolytic graphite crucible.

Background

In the process of preparing rare earth metal by adopting molten salt electrolysis, once the lining of the rare earth electrolysis cell is seriously damaged, the service life of the electrolysis cell can not reach the service life specified by the standard, in the early damage accident of the rare earth electrolysis cell, the graphite lining is cracked, broken and perforated, on one hand, air and electrolyte can gradually permeate into the graphite lining when the rare earth metal is prepared by the molten salt electrolysis, the graphite lining is oxidized and corroded to cause the damage of the graphite lining, on the other hand, the longitudinal crack extending from the top edge of the crucible caused by the over-fast heating of the graphite crucible has important influence on the graphite lining, especially when the heating speed of the bottom and the lower edge of the crucible is far faster than that of the top, therefore, as the weakest link in the electrolysis cell, how to avoid the crack generated by the graphite lining is an important precondition for preparing the rare earth, based on the above premises, the present inventors have developed an enhanced rare earth electrolytic graphite crucible to solve this problem.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: an enhanced rare earth electrolysis graphite crucible, the structure of which comprises: the box body is used as a main body structure in the equipment, one function is to provide protection for the component by utilizing a high-strength shell material, once the impact force received by the inside directly acts on the graphite furnace body, the component is easy to break and fall off close to the bottom position, the problem that the internal component is influenced by external vibration force in the running process to cause preparation failure is avoided, the convection net is responsible for discharging redundant hot air in the equipment, the phenomenon that the temperature of the equipment rises too fast due to accumulation of the hot air in an interlayer of the equipment is avoided, the influence of the temperature on the graphite furnace body is great, and once the temperature is too high, the component is easy to expand and damage due to heating, the board seat is the outside major structure of the trip shaft of equipment, utilize the distance between two block structures as the installation length of trip shaft, the trip shaft cooperation is observed the board and can be so that the angle that the observation board realized within 180 opens and shuts, the observation board is made for transparent high strength material, its main action lies in avoiding graphite crucible to produce horizontal crackle, because if the place position mistake of graphite furnace body or place improperly, the position of pressing from both sides when taking out the furnace body is got is too lean on and too big hard, will cause the graphite furnace body surface of crucible lower part to appear the crackle.

As a further technical supplement of the invention, the box body consists of a heat-insulating shell, heating element plates, heat conducting wheels, a fan, a heat dissipation ring, a graphite furnace body, a spacing heating plate and a base, wherein the heating element plates are arranged on two sides in the heat-insulating shell, a plurality of heat conducting wheels which are arranged at equal intervals are distributed on the heating element plates, the heat conducting wheels are connected with the spacing heating plate, one end of the top of the spacing heating plate is connected with the graphite furnace body, the base is arranged at the bottom of the spacing heating plate, the heat-insulating shell is used for sealing the temperature in the equipment and can be uniformly accumulated in the equipment for a long time, the cracking of the graphite furnace body caused by the uneven distribution of the cold and hot temperatures of the structure due to the over-high temperature drop speed is prevented, the heating element plates are heating core components of the equipment and are mainly used for producing enough heat for the use of the, it adopts the high strength heat conduction material to make, can be through the even conduction of annular rotatory mode with the heat to the position of heat receiving board at rotatory in-process, its principle is that the mode that utilizes friction heat conduction makes the heat can transmit with the form of tangent line tangent plane, avoid the heat to weaken at the in-process of transmission, the fan is heat guide structure, mainly utilize the direction of blowing of fan to draw the heat and carry out even conduction toward the position that needs, avoid the heat to pile up and cause local high temperature in same position simultaneously, the core operation structure of tombarthite is prepared for equipment to the graphite furnace body, prepare required material through the reaction with raw and other materials, the base is the base structure of equipment, the main objective is to bear the weight of the structure and avoid the structural deformation.

As a further technical supplement of the invention, the heat dissipation ring comprises a heat conduction pipe, an electromagnetic coil, a shield, a controller and a bearing bracket, wherein the surface of the heat conduction pipe is wound with the electromagnetic coil and is connected with the electromagnetic coil, the shield is arranged outside the electromagnetic coil and is connected with the controller, the bottom of the controller is connected with the bearing bracket, the heat conduction pipe is of a hollow cylindrical structure, the cavity structure in the heat conduction pipe can uniformly and continuously convey heat to one end of the heat conduction pipe, the required temperature can be set through the control action of the controller, the phenomenon that the temperature requirement in the preparation process is not up to the standard or cracks are generated due to overhigh temperature caused by overlow temperature can be avoided, the electromagnetic coil is established by utilizing the magnetic field existing around the wire, the electromagnetic coil is spirally used for strengthening the magnetic field, namely the maximum magnetic field intensity is realized by using the minimum wound space, the heat is conducted by the, the guard shield is made for the thermal insulation material that has high temperature resistance, and its effect lies in preventing that heat conduction from damaging the heat-labile component to equipment top, plays the effect that gathers the heat and not scatter outward simultaneously, and the bearing bracket gomphosis is connected in equipment top position both sides, can change its position through the rotation when operation for the heat lasts downwards with 360 forms and disperses, guarantees that the heat can not cause the local high temperature of graphite furnace body and produce the crackle.

As a further technical supplement of the invention, the spacing heating plate consists of a heat insulation shell, an annular disc, a heat collecting plate, a heat supply layer and a heat control block, the heat collecting plate is arranged at the outer side of the heat insulation shell, the heat supply layer is connected with the heat supply layer, the heat supply layer is connected with the annular disc through the heat control block, the heat insulation shell is used as a shell structure of the spacing heating plate, the heat insulation effect is mainly characterized in that the heat is controlled not to be diffused outwards too much, the continuous rise of an external heat conduction structure due to the influence of an internal structure is avoided, the heat collecting plate is used for receiving the heat transferred by the heat conduction wheel, the heat dissipation range is gradually expanded in a point-to-point mode, the burst caused by the fact that the heating speed of the graphite furnace body is too high due to the conventional integral heating mode is avoided, the heat supply layer is used for keeping the heat fit with the outer surface of the graphite, the interior of the device mainly comprises a temperature control element, and the required temperature can be transmitted in real time according to the setting of the temperature.

As a further technical supplement of the invention, the annular disc consists of a radiation-proof layer, a linear conduit, a heat energy reflecting layer and an infrared generator, the radiation-proof layer is internally provided with a linear guide pipe which is connected with a heat-energy reflecting layer, the heat-energy reflecting layer is annularly distributed at the side position of the infrared generator, the radiation-proof layer is used for preventing infrared radiation of heat from leaking outside the equipment and influencing operators, a gap is reserved between the linear guide pipe and the graphite furnace body, the bottom temperature higher than the side temperature caused by the fact that the heat at the bottom of the graphite furnace body is continuously raised due to the direct contact of the heat and the annular disc can be avoided, the heat-energy reflecting layer is diffused in an octagonal grid manner by reflecting the heat of the infrared generator in an annular outward distribution manner, the structure mode can avoid the explosion caused by the overhigh temperature at the bottom of the furnace body due to the fact that a large amount of heat is accumulated at the bottom of the furnace body, and the infrared generator is used for manufacturing the required heat.

Advantageous effects

The invention is applied to the technical aspect of rare earth electrolytic graphite preparation, and mainly aims to solve the problem of longitudinal cracks extending from the top edge of the crucible caused by an excessively fast heating mode when the bottom and the lower edge of the crucible are heated far faster than the top;

The invention improves the structure on the box body, utilizes the friction heat conduction mode of the heat conduction wheel in the structure to lead the heat to be transferred in the form of tangent plane, avoids the heat to be weakened in the transfer process, simultaneously utilizes the heat dissipation ring to change the position of the heat dissipation ring through rotation when in operation, leads the heat to be continuously radiated downwards in the form of 360 degrees, ensures that the heat can not cause the over-high local temperature of the graphite furnace body to generate cracks, adopts the heat receiving plates of the interval heating plates to receive the heat transferred by the heat conduction wheel for the side edge and the bottom edge of the graphite furnace body, gradually enlarges the heat radiation range in a point-to-point mode, avoids the burst of the furnace body due to the over-high heating speed of the graphite furnace body in the conventional integral heating mode, leads the heat of the annular disc to be diffused in the form of octagonal grid in the annular outward distribution mode and has gaps between the annular disc and the graphite furnace body, the heat of the bottom of the graphite furnace body can be prevented from being in direct contact with the annular disc and continuously rising to cause the bottom temperature to be higher than the side temperature, and the graphite furnace body is effectively prevented from generating cracks to influence the manufacturing result.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view showing the external structure of an enhanced rare earth electrolytic graphite crucible of the present invention.

FIG. 2 is a front sectional view of the box structure of the enhanced rare earth electrolytic graphite crucible of the present invention.

FIG. 3 is a front sectional view of a heat dissipating ring structure of a box body of the enhanced rare earth electrolytic graphite crucible of the present invention.

FIG. 4 is a front sectional view of the structure of the interval heating plate of the box body of the enhanced rare earth electrolytic graphite crucible.

FIG. 5 is a top view of an annular disc structure of the spacing heating disc of the box body of the enhanced rare earth electrolytic graphite crucible.

In the figure: the device comprises a box body-1, a convection net-2, a plate seat-3, a turnover shaft-4, an observation plate-5, a heat preservation shell-7, a heating element plate-8, a heat conduction wheel-9, a fan-10, a heat dissipation ring-11, a graphite furnace body-12, a spacing heating plate-13, a base-14, a heat conduction pipe-16, an electromagnetic coil-17, a shield-18, a controller-19, a bearing frame-20, a heat insulation shell-22, an annular disc-23, a heat receiving plate-24, a heat supply layer-25, a heat control square-26, a radiation protection layer-28, a linear guide pipe-29, a heat energy reflection layer-30 and an infrared generator-31.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.