CN210718607U - Furnace tube and graphene preparation rotary furnace - Google Patents
Furnace tube and graphene preparation rotary furnace Download PDFInfo
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- CN210718607U CN210718607U CN201921119605.7U CN201921119605U CN210718607U CN 210718607 U CN210718607 U CN 210718607U CN 201921119605 U CN201921119605 U CN 201921119605U CN 210718607 U CN210718607 U CN 210718607U
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Abstract
The utility model provides a boiler tube and graphite alkene preparation rotary furnace relates to graphite alkene production facility technical field, the utility model provides a boiler tube includes the body and locates the spiral baffle of pipe wall in the body, and forms the helical coiled passage who makes the material circulation between spiral baffle and the body, and the body has inlet pipe and discharging pipe, and the inlet pipe is used for discharging the material to helical coiled passage, and the discharging pipe is used for discharging the material in the helical coiled passage. The utility model provides a boiler tube has the helical coiled passage who plays the guide effect to the material, rotates the boiler tube, can realize getting of material, need not set up the boiler tube slope, changes the influence that the process of arranging can not receive material density yet, gets the material effect better.
Description
Technical Field
The utility model belongs to the technical field of graphite alkene production facility technique and specifically relates to a boiler tube and graphite alkene preparation rotary furnace are related to.
Background
Graphene is a novel two-dimensional carbon nanomaterial and has excellent electrical conductivity, thermal conductivity, corrosion resistance and the like. The oxidation-reduction method is a graphene production method with a common specific surface, and comprises two main processes of oxidation of natural graphene and reduction of oxidized graphene. The common reduction methods of the reduction process of the graphene oxide include thermal reduction, chemical reduction and the like, wherein the thermal reduction method is particularly suitable for large-scale production.
The rotary furnace is a common device for stripping graphene oxide through thermal expansion, a furnace body of the traditional rotary furnace mostly adopts a high-temperature-resistant steel round pipe and has a certain inclination angle, so that the material is conveniently pushed, but the loose packing density of the graphene is smaller, the graphene is easy to float, and the graphene is not easy to fall down to take the material by virtue of the inclination angle.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a boiler tube and graphite alkene preparation rotary furnace, change the row process and can not receive the influence of material density, get the material effect better.
In order to achieve the above object, the utility model provides a following technical scheme:
in a first aspect, the present invention provides a furnace tube, including a tube body and a spiral baffle plate arranged on the inner wall of the tube body, and the spiral baffle plate and a spiral channel for circulating materials are formed between the tube body, the tube body has an inlet pipe and a discharge pipe, the inlet pipe is used for discharging the materials to the spiral channel, and the discharge pipe is used for discharging the materials in the spiral channel.
Further, the furnace tube still include with the feeding funnel that the inlet pipe is connected and with the ejection of compact funnel that the discharging pipe is connected.
Further, the furnace tube is made of high borosilicate glass, quartz glass or ceramic.
In a second aspect, the present invention further provides a graphene preparation rotary furnace, which includes any one of a furnace body, a driving device and a first aspect, wherein:
the furnace tube penetrates through the furnace body and is rotationally connected with the furnace body, and the furnace body is used for heating the furnace tube;
the driving device is connected with the furnace tube and is used for driving the furnace tube to rotate relative to the furnace body.
Further, the furnace body includes stove case and heating device, heating device locates in the stove case and cladding in the outside of boiler tube.
Further, the furnace body still including locating the heat preservation intermediate layer in the stove case, the heat preservation intermediate layer has the heat preservation chamber that is used for holding boiler tube with heating device, the boiler tube runs through the heat preservation intermediate layer.
Further, the driving device comprises a motor and a transmission mechanism, and the transmission mechanism is respectively connected with the motor and the furnace tube so as to drive the furnace tube to rotate relative to the furnace body.
Further, drive mechanism include the action wheel and with the driven wheel of action wheel meshing, the motor with the action wheel is connected in order to drive the action wheel rotates, from the driving wheel with the boiler tube is connected.
Further, still including locating the furnace body below is used for supporting the support of furnace body, the support include the backup pad and with a plurality of stabilizer blades that the backup pad is connected.
Further, the axis of the tube body is parallel to the upper surface of the support plate.
The utility model provides a boiler tube and graphite alkene preparation rotary furnace can produce following beneficial effect:
when the furnace tube works, materials enter the spiral channel through the feeding tube, the spiral channel plays a role in guiding the materials, the furnace tube is rotated, and the materials are gradually discharged to the discharging tube along the extending direction of the spiral channel along with the rotation of the furnace tube until being discharged from the discharging tube.
Compared with the prior art, the utility model discloses the inside spiral baffle that is equipped with of boiler tube that the first aspect provided rotates the boiler tube, and the material receives the action of gravity can be automatic to the discharging pipe commentaries on classics row gradually along helical passage, need not set up the boiler tube slope, changes the influence that the process of arranging can not receive material density yet, gets the material effect better.
The utility model discloses the graphite alkene preparation rotary furnace that the second aspect provided heats the boiler tube when using, and the furnace body for the oxidation graphite alkene in the boiler tube is heated in the boiler tube and takes place reduction reaction, and meanwhile, drive arrangement drive boiler tube rotates for the furnace body, makes the material along with the rotation of boiler tube to discharging pipe diversion gradually along helical passage's extending direction. Compared with the prior art, the utility model discloses the material effect of getting of graphite alkene preparation rotary furnace that the second aspect provided is better, and wherein helical coiled passage can play the effect of a direction to graphite oxide, accompanies the rotation of boiler tube, can realize getting of graphite alkene.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a rotary furnace for preparing graphene provided by an embodiment of the present invention.
Icon: 1-a pipe body; 11-feed pipe; 12-a discharge pipe; 2-a spiral baffle; 3-a feeding funnel; 4-a discharge funnel; 5-furnace body; 51-a furnace box; 52-a heating device; 53-heat preservation interlayer; 6-a drive device; 61-a motor; 62-a transmission mechanism; 621-driving wheel; 622-driven wheel; 7-a scaffold; 71-a support plate; 72-foot.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Fig. 1 is a schematic structural diagram of a rotary furnace for preparing graphene provided by an embodiment of the present invention.
An embodiment of the first aspect of the present invention provides a furnace tube, as shown in fig. 1, including body 1 and the helical baffle 2 of locating the pipe wall in body 1, and form the helical channel that makes the material circulate between helical baffle 2 and body 1, body 1 has inlet pipe 11 and discharging pipe 12, inlet pipe 11 is used for discharging the material to helical channel, discharging pipe 12 is used for discharging the material in the helical channel.
When the furnace tube works, materials enter the spiral channel through the feeding tube, the spiral channel plays a role in guiding the materials, the furnace tube is rotated, and the materials are gradually discharged to the discharging tube along the extending direction of the spiral channel along with the rotation of the furnace tube until being discharged from the discharging tube.
Compared with the prior art, the utility model discloses the inside spiral baffle that is equipped with of boiler tube that the embodiment of the first aspect provided rotates the boiler tube, and the material receives the action of gravity can be automatic to change gradually along helical channel to the discharging pipe and arrange, need not set up the boiler tube slope, changes the influence that the process of arranging also can not receive material density, and it is better to get the material effect.
In some embodiments, as shown in FIG. 1, the furnace tube further comprises an addition funnel 3 connected to the feed tube 11 and an exit funnel 4 connected to the exit tube 12.
When the feeding device is used, materials are added into the feeding pipe 11 from the feeding funnel 3, fall into the spiral channel through the feeding pipe, are gradually discharged to the discharging pipe along the extending direction of the spiral channel along with the rolling of the pipe body 1, and are discharged through the discharging funnel 4. The feeding funnel 3 and the discharging funnel 4 are convenient to feed and discharge materials.
According to the material type of the furnace tube, the following three embodiments can be divided.
The first embodiment is as follows:
the material of the furnace tube is high borosilicate glass, when the content of the metal element in the graphene oxide is less than or equal to 20ppm, the graphene oxide is thermally reduced to generate graphene, the graphene oxide is slowly pushed along with the rotation of the furnace tube and is finally discharged through the discharge tube 12, and the content of the metal element in the graphene product is 46ppm through testing.
Example two:
the material of the furnace tube is quartz glass, when the content of metal elements in the graphene oxide is less than or equal to 20ppm, the graphene oxide is thermally reduced to generate graphene, the graphene is slowly pushed along with the rotation of the furnace tube and is finally discharged through the discharge tube 12, and the content of the metal elements in the graphene product is 37ppm through testing.
Example three:
the material of the furnace tube is ceramic, when the content of the metal element in the graphene oxide is less than or equal to 20ppm, the graphene oxide is thermally reduced to generate graphene, the graphene is slowly pushed along with the rotation of the furnace tube and is finally discharged through the discharge tube 12, and the content of the metal element in the graphene product is 51ppm through testing.
In the prior art, if a furnace tube made of steel is adopted, the content of metal elements in a graphene product is obviously improved compared with that of graphene oxide before reduction reaction. When the content of the metal element in the graphene oxide is less than or equal to 20ppm, the content of the metal element in the graphene thermally reduced by the steel furnace tube can reach 3614ppm, and when the graphene with higher metal content is applied to a lithium ion battery, the performance of the lithium ion battery can be seriously influenced by the iron and manganese impurities contained in the graphene. When the furnace tube is made of high borosilicate glass, quartz glass or ceramic, the three materials are all non-metallic materials, so that the content of metal elements in a graphene product can be effectively reduced, and the application range of graphene is prevented from being limited.
When the furnace tube is made of non-metal materials such as borosilicate glass, quartz glass or ceramic, the tube body 1 and the spiral baffle 2 are made of non-metal materials such as borosilicate glass, quartz glass or ceramic.
The embodiment of the second aspect of the utility model provides a graphite alkene preparation rotary furnace, the utility model discloses the graphite alkene preparation rotary furnace that the embodiment of the second aspect provided includes furnace body, drive arrangement and above-mentioned boiler tube, wherein:
the furnace tube penetrates through the furnace body 5 and is rotationally connected with the furnace body 5, and the furnace body 5 is used for heating the furnace tube;
the driving device 6 is connected with the furnace tube, and the driving device 6 is used for driving the furnace tube to rotate relative to the furnace body 5.
The utility model discloses graphite alkene preparation rotary furnace that the embodiment of the second aspect provided heats the boiler tube when using, and the furnace body for the interior oxidation graphite alkene of boiler tube is heated in the boiler tube and takes place reduction reaction, and meanwhile, drive arrangement drive boiler tube rotates for the furnace body, makes the material along with the rotation of boiler tube to discharging pipe diversion gradually along helical passage's extending direction. Compared with the prior art, the utility model discloses the material effect of getting of graphite alkene preparation rotary furnace that the second aspect provided is better, and wherein helical coiled passage can play the effect of a direction to graphite oxide, accompanies the rotation of boiler tube, can realize getting of graphite alkene.
In some embodiments, as shown in fig. 1, in order to enable the heating device 52 to effectively heat the furnace tube, the furnace body 5 includes a furnace box 51 and the heating device 52, and the heating device 52 is disposed in the furnace box 51 and covers the outside of the furnace tube.
Specifically, the heating device 52 may include a plurality of heating pipes, and the plurality of heating pipes are connected to the outer surface of the pipe body 1, and heat the pipe body together to puff the graphene oxide.
On the basis of the above embodiment, the graphene production rotary kiln may further include a thermocouple disposed in the oven box 51 for detecting the temperature in the oven box 51. In the process of producing graphene, the temperature in the furnace box can be detected in real time through the thermocouple, the heating temperature is adjusted according to the temperature, and the reaction temperature of graphene oxide is guaranteed.
In some embodiments, when the furnace body 5 includes the furnace box 51 and the heating device 52, the furnace body 5 further includes a heat-preserving interlayer 53 disposed in the furnace box 51, the heat-preserving interlayer 53 has a heat-preserving cavity for accommodating the furnace tube and the heating device 52, and the furnace tube penetrates through the heat-preserving interlayer 53.
In the using process, the heat preservation interlayer 53 can play a role in heat preservation, so that excessive dissipation of heat of the heating device 52 through the furnace box 51 is avoided, unnecessary heat dissipation is reduced, and a certain heat insulation effect is achieved.
Specifically, the heat-insulating interlayer 53 may be a heat-insulating material capable of resisting 250 ℃ such as glass wool, an aluminum silicate wool felt, an aluminum silicate fiber layer, and the like.
In some embodiments, as shown in fig. 1, the driving device 6 includes a motor 61 and a transmission mechanism 62, and the transmission mechanism 62 is respectively connected to the motor 61 and the furnace tube to drive the furnace tube to rotate relative to the furnace body 5. The motor 61 is used for providing power for the transmission mechanism 62, and the furnace tube is driven to rotate relative to the furnace body 5 through the transmission mechanism 62.
It should be noted that all the structures capable of driving the furnace tube to rotate relative to the furnace body 5 can be the transmission mechanism 62 mentioned in the above embodiments. For example: the drive mechanism 62 may include a sprocket and chain in driving connection, or the drive mechanism 62 may include a pulley and belt in driving connection, or the drive mechanism 62 may include a drive gear and a driven gear in driving connection.
In some embodiments, as shown in fig. 1, the transmission mechanism 62 includes a driving wheel 621 and a driven wheel 622 engaged with the driving wheel 621, the motor 61 is connected to the driving wheel 621 to drive the driving wheel 621 to rotate, and the driven wheel 622 is connected to the furnace tube.
The power output shaft of the motor 61 is connected with the driving wheel 621, when the motor 61 rotates forwards, the motor 61 drives the driving wheel 621 to rotate forwards, and the driving wheel 621 drives the driven wheel to turn over due to the fact that the driving wheel 621 is meshed with the driven wheel 622, so that the furnace tube can rotate.
Specifically, follow the outside of body 1 is located to the cover of driving wheel 622, follow driving wheel 622 can with body 1 welding, also can with body 1 key-type connection.
In some embodiments, as shown in fig. 1, the furnace body 5 further comprises a support 7 disposed below the furnace body 5 for supporting the furnace body 5, wherein the support 7 comprises a support plate 71 and a plurality of legs 72 connected to the support plate 71.
When the furnace body 5 includes the furnace box 51 and the heating device 52, and the driving device 6 includes the motor 61 and the transmission mechanism 62, as shown in fig. 1, the furnace box 51 and the motor 61 are both provided on the support plate 71.
In some embodiments, since the furnace tube has a spiral channel, in order to facilitate the arrangement of the tank body 1, the axis of the tube body 1 is parallel to the upper surface of the supporting plate 71, so that the position of the tube body 1 relative to the furnace body 5 is more stable.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A furnace tube is characterized by comprising a tube body (1) and a spiral baffle plate (2) arranged on the inner tube wall of the tube body (1), a spiral channel for circulating materials is formed between the spiral baffle plate (2) and the tube body (1), the tube body (1) is provided with a feeding tube (11) and a discharging tube (12), the feeding tube (11) is used for discharging materials to the spiral channel, and the discharging tube (12) is used for discharging materials in the spiral channel.
2. The furnace tube according to claim 1, further comprising an inlet funnel (3) connected to the inlet tube (11) and an outlet funnel (4) connected to the outlet tube (12).
3. The furnace tube of claim 1, wherein the material of the furnace tube is borosilicate glass, quartz glass, or ceramic.
4. A graphene production rotary kiln, characterized by comprising a furnace body (5), a driving device (6) and a furnace tube according to any one of claims 1 to 3, wherein:
the furnace tube penetrates through the furnace body (5) and is rotationally connected with the furnace body (5), and the furnace body (5) is used for heating the furnace tube;
the driving device (6) is connected with the furnace tube, and the driving device (6) is used for driving the furnace tube to rotate relative to the furnace body (5).
5. The rotary furnace for graphene production according to claim 4, wherein the furnace body (5) comprises a furnace box (51) and a heating device (52), and the heating device (52) is arranged in the furnace box (51) and covers the outside of the furnace tube.
6. The graphene production rotary furnace according to claim 5, wherein the furnace body (5) further comprises a heat preservation interlayer (53) arranged in the furnace box (51), the heat preservation interlayer (53) is provided with a heat preservation cavity for accommodating the furnace tube and the heating device (52), and the furnace tube penetrates through the heat preservation interlayer (53).
7. The graphene production rotary furnace according to claim 4, wherein the driving device (6) comprises a motor (61) and a transmission mechanism (62), and the transmission mechanism (62) is respectively connected with the motor (61) and the furnace tube to drive the furnace tube to rotate relative to the furnace body (5).
8. The graphene production rotary furnace according to claim 7, wherein the transmission mechanism (62) comprises a driving wheel (621) and a driven wheel (622) engaged with the driving wheel (621), the motor (61) is connected with the driving wheel (621) to drive the driving wheel (621) to rotate, and the driven wheel (622) is connected with the furnace tube.
9. The graphene production rotary furnace according to claim 4, further comprising a support (7) provided below the furnace body (5) for supporting the furnace body (5), wherein the support (7) comprises a support plate (71) and a plurality of legs (72) connected to the support plate (71).
10. The rotary furnace for graphene production according to claim 9, wherein the axis of the tube (1) is parallel to the upper surface of the support plate (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921119605.7U CN210718607U (en) | 2019-07-16 | 2019-07-16 | Furnace tube and graphene preparation rotary furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921119605.7U CN210718607U (en) | 2019-07-16 | 2019-07-16 | Furnace tube and graphene preparation rotary furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210718607U true CN210718607U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921119605.7U Active CN210718607U (en) | 2019-07-16 | 2019-07-16 | Furnace tube and graphene preparation rotary furnace |
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|---|---|
| CN (1) | CN210718607U (en) |
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- 2019-07-16 CN CN201921119605.7U patent/CN210718607U/en active Active
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