CN213811662U - Laboratory is with rotatory roll-type sintering device - Google Patents
Laboratory is with rotatory roll-type sintering device Download PDFInfo
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- CN213811662U CN213811662U CN202022171335.3U CN202022171335U CN213811662U CN 213811662 U CN213811662 U CN 213811662U CN 202022171335 U CN202022171335 U CN 202022171335U CN 213811662 U CN213811662 U CN 213811662U
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Abstract
The utility model discloses a rotary rolling type sintering device for laboratory, which comprises a muffle furnace body and a crucible positioning plate integrated inside the muffle furnace body and arranged at the bottom of the muffle furnace body; a crucible is embedded in the middle of the crucible positioning plate; the device also comprises a rolling and stirring mechanism embedded in the crucible; the rolling and stirring mechanism is of a hemispherical structure and comprises a plurality of blades which are uniformly distributed along the axis of the rolling and stirring mechanism; the rolling and stirring mechanism is connected with a driving mechanism; the driving mechanism drives the rolling and stirring mechanism to rotate around the axis so as to roll the materials in the crucible; an air inlet and an air outlet are arranged on the muffle furnace body. The utility model discloses a device constitutes half spherical structure's rabbling mechanism that rolls through a plurality of helical structure's paddle, can fully roll and stir the material through the spiral extension face type of paddle to ensure the material thermally equivalent in the muffle furnace, guarantee the uniformity of material sintering, avoid the gradient sintering.
Description
Technical Field
The utility model relates to a sintering device technical field especially relates to a laboratory is with rotatory roll-type sintering device and sintering process.
Background
During sintering of the ternary material, the whole material in the sagger is unevenly heated in the traditional sagger sintering process, and the surface material is easy to harden, so that the reaction gas of the internal material is prevented from being discharged, and the sagger is in a gradient sintering state from inside to outside, and finally, sintering products in the same sagger are different.
Among the prior art, the muffle furnace is as laboratory instrument commonly used, and the technique is comparatively mature, but the muffle furnace specification type that can acquire on the market is less, leads to the sintering form comparatively single, and traditional rotation type fritting furnace can also make the material reunion be globular, still can not solve the problem.
The sintering of the muffle furnace used at present has the following problems:
1. the materials are heated unevenly in the standing and sintering process, so that the consistency of sintered finished products is reduced;
2. when the sintering is carried out in a standing way, the reaction gas of the internal materials is prevented from being discharged, so that the sintering materials are in a gradient sintering state from inside to outside.
In view of the above technical problems, a need exists in the art for a novel sintering device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an avoid gradient sintering to exist, lead to the finished product to be multiple property material's adulterant, can make the research and development of ternary material have more corresponding laboratory with rotatory roll-type sintering device.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a laboratory is with rotatory roll-type sintering device, the device includes:
a muffle furnace body;
the crucible positioning plate is integrated inside the muffle furnace body and is arranged at the bottom of the muffle furnace body;
a crucible is embedded in the middle of the crucible positioning plate;
the device also includes:
a rolling and stirring mechanism embedded in the crucible;
the rolling and stirring mechanism is of a hemispherical structure and comprises a plurality of blades which are uniformly distributed along the axis of the rolling and stirring mechanism;
the rolling and stirring mechanism is connected with a driving mechanism;
the driving mechanism drives the rolling and stirring mechanism to rotate around the axis so as to roll the materials in the crucible;
an air inlet and an air outlet are arranged on the muffle furnace body.
Further, the muffle furnace body is internally and hollow formed into a sintering cavity;
the driving mechanism comprises a driving motor arranged outside the muffle furnace body; the transmission rod is connected with the output end of the driving motor to transmit the rotating force of the driving motor;
one end of the transmission rod, which is far away from the driving motor, is connected with the rolling and stirring mechanism to drive the rolling and stirring mechanism to rotate.
Further, the air inlet is formed in the side face of the muffle furnace body;
the exhaust hole is formed in the upper portion of the muffle body, and the transmission rod extends into the muffle body through the exhaust hole;
the diameter of the opening of the exhaust hole is larger than the outer diameter of the transmission rod.
Further, the crushing and stirring mechanism comprises:
a blade center shaft; and
the paddles are uniformly distributed along the circumferential direction of the paddle central shaft;
the paddle is spiral;
the lowest point of the paddle is positioned at the paddle central shaft, and the paddle extends upwards spirally from one end of the paddle central shaft;
and a rolling space for rolling materials is formed between the paddle and the inner wall of the crucible.
Further, the rotating speed of the driving motor for driving the transmission rod is 20 c/min;
the driving motor drives the rolling and stirring mechanism to reciprocate along the axial direction through the transmission rod, and the stroke range of the rolling and stirring mechanism is 1-20 mm;
the driving motor drives the rolling and stirring mechanism to reciprocate along the axial direction through the transmission rod, and the frequency of the reciprocating motion of the rolling and stirring mechanism is 4 times/min.
Furthermore, the amount of the single-time processing material in the crucible is 100-150 g.
In the technical scheme, the utility model provides a pair of laboratory is with rotatory roll-type sintering device has following beneficial effect:
the utility model discloses a device constitutes half spherical structure's rabbling mechanism that rolls through a plurality of helical structure's paddle, can fully roll and stir the material through the spiral extension face type of paddle to ensure the material thermally equivalent in the muffle furnace, guarantee the uniformity of material sintering, avoid the gradient sintering.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a first schematic structural diagram of a rotary rolling type sintering device for a laboratory according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a rotary rolling type sintering device for a laboratory according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a rolling and stirring mechanism of a rotary rolling type sintering device for a laboratory according to an embodiment of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
fig. 5 is XRD patterns before and after the ternary material 622 single crystal is sintered by a rotary rolling type sintering device for a laboratory according to an embodiment of the present invention (the prior art is referred to above);
FIG. 6 is a graph illustrating a first distribution of a prior art sintered ternary material 622;
fig. 7 is a first distribution graph of ternary material 622 single crystal sintered by a rotary rolling type sintering device for a laboratory according to an embodiment of the present invention;
fig. 8 is an XRD pattern before and after implementation of ternary nickel 83 aggregates in a rotary rolling type sintering device for a laboratory (the prior art is shown above);
FIG. 9 is a graph of a prior art initial distribution of sintered ternary nickel 83 agglomerates;
fig. 10 is a first distribution curve diagram of ternary nickel 83 aggregates sintered by a rotary rolling type sintering device for a laboratory according to an embodiment of the present invention.
Description of reference numerals:
1. a muffle furnace body; 2. a crucible positioning plate; 3. a crucible; 6. material preparation;
401. a drive motor; 402. a transmission rod;
501. an air inlet; 502. an exhaust hole;
701. a blade center shaft; 702. a blade.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
See fig. 1, 2, 3, 4;
the utility model discloses a laboratory is with rotatory roll-type sintering device, the device includes:
a muffle furnace body 1;
the crucible positioning plate 2 is integrated inside the muffle furnace body 1 and is arranged at the bottom of the muffle furnace body 1;
a crucible 3 is embedded in the middle of the crucible positioning plate 2;
the device also includes:
a rolling and stirring mechanism embedded in the crucible 3;
the rolling and stirring mechanism is of a hemispherical structure and comprises a plurality of blades 702 which are uniformly distributed along the axis of the rolling and stirring mechanism;
the rolling and stirring mechanism is connected with a driving mechanism;
the driving mechanism drives the rolling and stirring mechanism to rotate around the axis so as to roll the material 6 in the crucible 3;
an air inlet 501 and an air outlet 502 are arranged on the muffle furnace body 1.
Specifically, this embodiment discloses a novel laboratory is with rotatory roll-type sintering device, the device uses muffle furnace body 1 as the main part, 2 location fixes a position through inside crucible fixed plate and is fixed with crucible 3, crucible 3 is used for placing material 6, the device that this embodiment discloses has simultaneously rolls rabbling mechanism, this rolls the whole hemisphere bowl structure that is of rabbling mechanism, it mainly forms through the spiral extension of a plurality of paddles 702 of circumference equipartition, this kind of hemisphere bowl structure roll rabbling mechanism can fully roll and stirring material 6, make it thermally equivalent in muffle furnace body 1.
Preferably, in the embodiment, the muffle furnace body 1 is formed to be a sintering cavity in a hollow manner;
the driving mechanism comprises a driving motor 401 arranged outside the muffle furnace body 1; and
a driving lever 402 connected to an output end of the driving motor 401 to transmit a rotational force of the driving motor 401;
one end of the transmission rod 402, which is far away from the driving motor 401, is connected with the rolling and stirring mechanism to drive the rolling and stirring mechanism to rotate.
This embodiment has specifically described the structure and the principle of the device's actuating mechanism, and this actuating mechanism includes driving motor 401 to and the transfer line 402 of being connected with driving motor 401 transmission, and driving motor 401 drives transfer line 402 and rotates to the stirring mechanism that rolls that drives the below is rotatory, thereby utilizes along a plurality of paddles 702 of circumference equipartition to roll and stir the material.
Preferably, in order to facilitate air intake and exhaust, in this embodiment, the muffle body 1 is provided with an air inlet 501 and an air outlet 502, wherein the air inlet 501 is arranged on a side surface of the muffle body 1;
the exhaust hole 501 is formed in the upper part of the muffle body 1, and the transmission rod 402 extends into the muffle body 1 through the exhaust hole 501;
the opening diameter of the exhaust hole 501 is larger than the outer diameter of the transmission rod 402.
Preferably, the crushing and stirring mechanism in this embodiment includes:
a blade center shaft 701; and
a plurality of blades 702 evenly distributed circumferentially along a blade center shaft 7701;
the blades 702 are helical;
the lowest point of the blade 702 is located at the blade center shaft 701, and the blade 702 extends upwards in a spiral manner from one end of the blade center shaft 701;
a crushing space for crushing the material 6 is formed between the paddle 702 and the inner wall of the crucible 3.
The present embodiment specifically describes a specific structure of the crushing stirring mechanism, which includes a central blade shaft 701 located at the center, and four blades 702 formed at the circumference of the central blade shaft 701, in order to form the above-mentioned hemispherical bowl-shaped structure, the blades 702 of the present embodiment are in a spirally rising structural form, wherein the lowest point of the blades 702 is located at the central blade shaft 701, and the blades 702 are spirally rising along the extension profile of the inner wall of the crucible 3 in a matching manner with the inner wall of the crucible 3. At the same time, a crushing space for the material 6 is formed between the blade 702 and the inner wall of the crucible 3, and the crushing and stirring can be more uniform by this way.
Preferably, the rotating speed of the driving motor 401 driving the transmission rod 402 in the embodiment is 20 c/min;
the driving motor 401 drives the rolling and stirring mechanism to reciprocate along the axial direction through the transmission rod 402, and the stroke range of the axial reciprocating motion is 1-20 mm;
the frequency of the axial reciprocating motion of the rolling and stirring mechanism driven by the driving motor 401 through the transmission rod 402 is 4 times/min.
Preferably, in the embodiment, the amount of the single-time processed material in the crucible 3 is 100-150 g.
The first embodiment is as follows:
the first embodiment discloses the effect of sintering ternary material 622 in the sintering manner of the prior art compared with the sintering apparatus of the present embodiment:
when the sintering device disclosed by the embodiment is used for ensuring the material uniformity of the ternary material 622 single crystal, the situation that the finished product is a dopant of materials with various properties due to the existence of gradient sintering is avoided, and the research and development of the ternary material are more targeted.
Referring to fig. 5, after the implementation, compared with 006/012 and before the implementation, 018/110 bimodal splitting is more obvious, crystallinity is better, and a more ordered layered structure is obtained.
Referring to fig. 6 and 7:
the materials before and after implementation are respectively taken to carry out half-cell test, the two samples are respectively tested for 50 times, the test results are shown in fig. 6 and 7, the first-cycle discharge after implementation is more concentrated in specific capacity value, and the material uniformity can also be verified to be stronger after rotary rolling.
Example two:
the second embodiment discloses the effect of sintering ternary nickel 83 aggregate in the sintering mode of the prior art and the sintering device of the second embodiment:
similarly, when the method is applied to sintering of the nickel 83 aggregate, similar results are obtained, the primary particle size of the traditional process is different, and the primary particle size after uniform rotary rolling and sintering is more uniform.
Referring to fig. 8, similar to 622 single crystal, the double peak splitting is more obvious after the implementation than 006/012 and 018/110 before the implementation, the crystallinity is better, and the layered structure is more ordered.
Referring to fig. 9 and 10, the nickel 83 agglomerates still have a more concentrated advantage after first cycle discharge than after implementation, demonstrating that the material uniformity is significantly improved.
To summarize: after the ternary material single crystal 622 and the nickel 83 aggregate are sintered in a rolling and rotating mode, SEM, XRD and first-cycle specific capacity characterization results are superior to those of the traditional standing sintering, so that the material is more uniform.
In the technical scheme, the utility model provides a pair of laboratory is with rotatory roll-type sintering device has following beneficial effect:
the utility model discloses a device constitutes half spherical structure's rabbling mechanism that rolls through a plurality of helical structure's paddle 702, can fully roll and stir the material through the spiral extension face type of paddle 702 to ensure the material thermally equivalent in the muffle furnace, guarantee the uniformity of material sintering, avoid the gradient sintering.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. The utility model provides a laboratory is with rotatory roll-type sintering device which characterized in that, the device includes:
a muffle furnace body (1);
the crucible positioning plate (2) is integrated inside the muffle furnace body (1) and is arranged at the bottom of the muffle furnace body (1);
a crucible (3) is embedded in the middle of the crucible positioning plate (2);
the device also includes:
the rolling and stirring mechanism is embedded into the crucible (3);
the rolling and stirring mechanism is of a hemispherical structure and comprises a plurality of blades (702) which are uniformly distributed along the axis of the rolling and stirring mechanism;
the rolling and stirring mechanism is connected with a driving mechanism;
the driving mechanism drives the rolling and stirring mechanism to rotate around an axis so as to roll the materials in the crucible (3);
an air inlet (501) and an air outlet (502) are arranged on the muffle furnace body (1).
2. The rotary rolling type sintering device for the laboratory according to claim 1, wherein the muffle furnace body (1) is formed with a sintering chamber in a hollow manner;
the driving mechanism comprises a driving motor (401) arranged outside the muffle furnace body (1); and
a transmission rod (402) connected with the output end of the driving motor (401) to transmit the rotating force of the driving motor (401);
one end, far away from the driving motor (401), of the transmission rod (402) is connected with the rolling and stirring mechanism to drive the rolling and stirring mechanism to rotate.
3. The rotary rolling type sintering device for the laboratory according to claim 2, wherein the air inlet holes (501) are formed in the side surface of the muffle furnace body (1);
the exhaust hole (502) is arranged at the upper part of the muffle body (1), and the transmission rod (402) extends to the interior of the muffle body (1) through the exhaust hole (502);
the diameter of the opening of the exhaust hole (502) is larger than the outer diameter of the transmission rod (402).
4. The rotary rolling type sintering device for the laboratory according to claim 2, wherein the rolling and stirring mechanism comprises:
a blade center shaft (701); and
a plurality of the paddles (702) are uniformly distributed along the circumferential direction of the paddle center shaft (701);
the paddle (702) is helical;
the lowest point of the blade (702) is positioned at the blade central shaft (701), and the blade (702) extends upwards in a spiral mode from one end of the blade central shaft (701);
a rolling space for rolling the material (6) is formed between the paddle (702) and the inner wall of the crucible (3).
5. The rotary rolling type sintering device for the laboratory according to claim 4, wherein the driving motor (401) drives the transmission rod (402) at a rotation speed of 20 c/min;
the driving motor (401) drives the rolling and stirring mechanism to reciprocate along the axial direction through the driving rod (402), and the stroke range of the rolling and stirring mechanism is 1-20 mm;
the driving motor (401) drives the rolling and stirring mechanism to reciprocate along the axial direction through the driving rod (402) for 4 times/min.
6. The rotary rolling type sintering device for the laboratory according to claim 5, wherein the amount of the single processed material (6) in the crucible (3) is 100-150 g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022171335.3U CN213811662U (en) | 2020-09-28 | 2020-09-28 | Laboratory is with rotatory roll-type sintering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022171335.3U CN213811662U (en) | 2020-09-28 | 2020-09-28 | Laboratory is with rotatory roll-type sintering device |
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| CN213811662U true CN213811662U (en) | 2021-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097510A (en) * | 2020-09-28 | 2020-12-18 | 华鼎国联四川电池材料有限公司 | Laboratory is with rotatory roll-type sintering device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097510A (en) * | 2020-09-28 | 2020-12-18 | 华鼎国联四川电池材料有限公司 | Laboratory is with rotatory roll-type sintering device |
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