Heat-conducting graphite paper preparation equipment and method using Kish graphite as raw material
阅读说明:本技术 一种以Kish石墨为原料的导热石墨纸制备设备及方法 (Heat-conducting graphite paper preparation equipment and method using Kish graphite as raw material ) 是由 肖云凯 于 2019-11-05 设计创作,主要内容包括:本发明涉及石墨纸技术领域,且公开了一种以Kish石墨为原料的导热石墨纸制备设备及方法,由模块一和模块二组成,模块一包括有机体,所述机体的顶面固定连接有第一安装架,所述第一安装架的左右两侧分别安装有紧固螺栓,所述第一安装架的背面通过紧固螺栓螺纹套接有蓄料槽,所述蓄料槽底面的中部安装有阀门,所述机体内腔的下方卡接有滑块。本发明通过采用钢厂中回收产品,以碳过饱和而从铁水中析出碳的石墨结晶体为原料,经过重重加工而得到新型的导热石墨纸,并且本kish石墨纸能够与人工石墨纸配合使用,其复合材料能够得到更大范围的应用,大大提高本产品的适用范围,是本产品实用性的体现。(The invention relates to the technical field of graphite paper, and discloses equipment and a method for preparing heat-conducting graphite paper by taking Kish graphite as a raw material. The invention adopts the recovered product in the steel mill, takes the graphite crystal body of which the carbon is supersaturated and the carbon is separated out from the molten iron as the raw material, and obtains the novel heat-conducting graphite paper through heavy processing.)
1. The utility model provides an use heat conduction graphite paper preparation equipment of Kish graphite as raw materials, comprises module one and module two, its characterized in that: the module one comprises a machine body (1), wherein a first mounting frame (2) is fixedly connected to the top surface of the machine body (1), fastening bolts (3) are respectively installed on the left side and the right side of the first mounting frame (2), a storage trough (4) is sleeved on the back surface of the first mounting frame (2) through the fastening bolts (3) in a threaded manner, a valve (5) is installed in the middle of the bottom surface of the storage trough (4), a sliding block (7) is clamped below the inner cavity of the machine body (1), two sides of one side, far away from the machine body (1), of the sliding block (7) are respectively and fixedly connected to the left side and the right side of a filter screen (6), a second mounting frame (8) is fixedly connected to the lower side of the left side of the machine body (1), a first motor (9) is installed in the inner cavity of the second mounting frame (8), one end of an output shaft of the first motor (9) extends out of the inner cavity of, the right end of the transmission shaft (10) is fixedly connected to the lower part of the right side of the inner cavity of the machine body (1), and the left side and the right side of the transmission shaft (10) are respectively fixedly sleeved with an elliptical block (11);
the two modules comprise a base (12), a sliding plate (13) is fixedly connected to the left side of the top surface of the base (12), a sliding groove (14) penetrating through the sliding plate (13) is formed in the middle of the sliding plate (13), compression rollers (15) are respectively clamped to the upper side and the lower side of the sliding groove (14), an adjusting nut (16) is sleeved on the back surface of the upper compression roller (15) in a threaded manner, the back surface of the lower compression roller (15) is fixedly sleeved at one end of an output shaft of a motor II (17), the lower compression roller (15) is movably sleeved at one side of a transmission belt I (18), bearings (19) are movably sleeved at the other side of the transmission belt I (18), the number of the bearings (19) is four, the middle parts of the four bearings (19) are respectively and fixedly connected with support rods (21) extending downwards and perpendicular to the base (12), and a transmission belt II (20) is movably sleeved between the bearings, the right side and the middle part of base (12) top surface are fixedly connected with round bar (22) respectively, both sides install conveyer belt (23) between the top surface of round bar (22), the right side the fixed inner chamber at motor three (24) of cup jointing in the top of round bar (22).
2. The apparatus for preparing heat-conducting graphite paper using Kish graphite as raw material as claimed in claim 1, wherein: the second transmission belt (20) is divided into an upper part and a lower part, the upper part of the second transmission belt (20) is inclined, the right side of the second transmission belt (20) is higher than the left side of the second transmission belt, and the right end of the second transmission belt (20) is positioned on the bottom surface of the left side of the transmission belt (23).
3. The apparatus for preparing heat-conducting graphite paper using Kish graphite as raw material as claimed in claim 1, wherein: the left side and the right side of the inner cavity of the machine body (1) are respectively provided with a strip-shaped groove, the sliding blocks (7) on the two sides are respectively clamped in the inner cavities of the strip-shaped grooves, and the length value of the strip-shaped grooves is equal to the distance value from the top surface of the elliptical block (11) to the bottom surface of the material storage groove (4).
4. The apparatus and method for preparing heat-conducting graphite paper from Kish graphite as claimed in claim 1, wherein: the Kish graphite raw material of the inner cavity of the storage trough (4) is based on Kish graphite collected by steel mill fly ash, and the carbon content of the Kish graphite raw material is improved to more than 90% through processes such as screening, crushing, magnetic separation, flotation and the like.
5. The apparatus and method for preparing heat-conducting graphite paper from Kish graphite as claimed in claim 4, wherein: hold silo (4) and be used for carrying out interim depositing to the raw materials, release the raw materials to filter screen (6) inner chamber through valve (5) after, under the shake of filter screen (6), can screen out the fish graphite raw materials that is greater than 30 meshes.
6. The apparatus and method for preparing heat-conducting graphite paper from Kish graphite as claimed in claim 5, wherein: after the screen (6) is used for screening the Kish graphite raw material, the Kish expandable graphite with the carbon content of more than 98% is prepared through acidification treatment (hydrochloric acid, hydrofluoric acid, sulfuric acid and potassium permanganate), and the expandable multiple is ensured to be more than 200 times.
7. The apparatus and method for preparing heat-conducting graphite paper from Kish graphite as claimed in claim 6, wherein: conveying belt (23) are before carrying the Kish expanded graphite worm, carry the graphite worm to the expansion furnace in through screw conveyor equipment earlier, can expand rapidly in 1200 degrees high temperature expansion furnace, can obtain the Kish expanded graphite worm that the expansion volume is 200ml/g, and Kish expanded graphite worm gets into the feed bin after the swirler cooling again, through vibration screening, even distribution is to the conveyer belt above.
8. The apparatus and method for preparing heat-conducting graphite paper from Kish graphite as claimed in claim 7, wherein: when carrying the kish expanded graphite worm, drive belt two (20) and compression roller (15) because the reason of drive belt (20) and compression roller (15) structure, can carry out extrusion with kish expanded graphite worm, utilize heating system to heat in the middle of drive belt (20) and compression roller (15), its temperature control is about 400 degrees, cuts the curling again after the extrusion, finally reaches the product of the different thickness and the density that the customer needed.
Technical Field
The invention relates to the technical field of graphite paper, in particular to a device and a method for preparing heat-conducting graphite paper by taking Kish graphite as a raw material.
Background
The graphite paper is a material formed by chemically treating high-carbon phosphorus flake graphite and performing high-temperature expansion rolling, and due to the advantages of good heat dissipation, light weight, small occupied space and the like, the graphite paper is widely applied to dynamic sealing and static sealing of machines, pipes, pumps and valves in the industries of electric power, petroleum, chemical engineering, instruments, machinery, diamond and the like, and is an ideal novel sealing material for replacing traditional sealing elements such as rubber, fluoroplastic, asbestos and the like.
Because the production cost of the existing artificial graphite paper is very high, the cost of a user cannot be reduced, and the artificial graphite paper is difficult to popularize and use in a large range due to the thickness of raw materials. In addition, although the natural graphite paper has low processing cost, the heat-conducting property of the product is not high, and the natural graphite paper is limited by natural graphite patents of foreign companies and is difficult to popularize in all directions; meanwhile, the existing artificial graphite paper is produced by carbonizing a PI film material at high temperature, then graphitizing the carbonized PI film material, and finally rolling the PI film material, although the heat conductivity is good, the PI film material is difficult to be thick than 0.1 mm, and the thickness of the PI film material determines the thickness of a final product, so that the application range is limited. Therefore, the wide application of graphite paper is limited by various conditions, and how to produce more practical and efficient heat-conducting graphite paper becomes a problem to be solved urgently.
Disclosure of Invention
The invention provides equipment and a method for preparing heat-conducting graphite paper by using Kish graphite as a raw material, which have the advantages of good heat-conducting effect, strong applicability and low production cost and solve the problems in the background art.
The invention provides the following technical scheme: a heat-conducting graphite paper preparation device and method using Kish graphite as a raw material comprises a first module and a second module, wherein the first module comprises a machine body, the top surface of the machine body is fixedly connected with a first mounting frame, fastening bolts are respectively installed on the left side and the right side of the first mounting frame, a material storage groove is sleeved on the back surface of the first mounting frame through the fastening bolts in a threaded manner, a valve is installed in the middle of the bottom surface of the material storage groove, a sliding block is clamped below the inner cavity of the machine body, one side, away from the machine body, of the sliding block on two sides is respectively and fixedly connected to the left side and the right side of a filter screen, a second mounting frame is fixedly connected below the left side of the machine body, a first motor is installed in the inner cavity of the second mounting frame, one end of an output shaft of the first motor extends out of the inner cavity of the machine body, the left side and the right side of the transmission shaft are respectively fixedly sleeved with an elliptical block.
The second module comprises a base, the left side of the top surface of the base is fixedly connected with a sliding plate, the middle part of the sliding plate is provided with a sliding chute penetrating through the sliding plate, the upper side and the lower side of the chute are respectively clamped with a compression roller, the back of the upper compression roller is in threaded sleeve connection with an adjusting nut, the back surface of the lower compression roller is fixedly sleeved at one end of the output shaft of the motor II, the lower compression roller is movably sleeved at one side of the first transmission belt, the other side of the first transmission belt is movably sleeved with four bearings, the middle parts of the four bearings are respectively and fixedly connected with a support rod which extends downwards and is vertical to the base, a second transmission belt is movably sleeved between the bearings below, the right side and the middle part of the top surface of the base are respectively and fixedly connected with a round rod, two sides of the round rod are provided with a conveying belt between the top surfaces of the round rods, and the top end of the round rod is fixedly sleeved on the inner cavity of the motor III.
And carefully selecting, wherein the transmission belt is divided into an upper part and a lower part, the upper part of the transmission belt is inclined, the right side of the transmission belt is higher than the left side of the transmission belt, and the right end of the lower part of the transmission belt is positioned on the bottom surface of the left side of the transmission belt.
The machine body is characterized in that strip-shaped grooves are formed in the left side and the right side of the inner cavity of the machine body, the sliding blocks on the two sides are clamped in the inner cavities of the strip-shaped grooves respectively, and the length value of each strip-shaped groove is equal to the distance value from the top surface of the oval block to the bottom surface of the material storage groove.
Carefully selecting, hold the Kish graphite raw materials of silo inner chamber and use the Kish graphite that steel mill fly ash collected as the basis, through technologies such as screening, breakage, magnetic separation, flotation, improve the carbon content of Kish graphite raw materials to more than 90%.
Carefully, hold the silo and be used for carrying out temporary depositing to the raw materials, release the raw materials to the filter screen inner chamber through the valve after, under the shake of filter screen, can select to be greater than 30 mesh kish graphite raw materials.
Carefully selecting, after the screen sieves the Kish graphite raw material, preparing the Kish expandable graphite with the carbon content of more than 98% by acidification treatment, and ensuring that the expandable multiple is more than 200 times.
Carefully, before the conveyer belt carries Kish expanded graphite worm, carry the graphite worm to the expansion furnace through screw conveyor equipment earlier, can expand rapidly in 1200 degrees high temperature expansion furnace, can obtain the Kish expanded graphite worm that the expansion volume is 200ml/g, Kish expanded graphite worm gets into the feed bin after the swirler cooling again, through vibration screening, even distribution is to the conveyer belt above.
Carefully, drive belt two and compression roller are when carrying kish expanded graphite worm, because the reason of drive belt and compression roller structure, can carry out extrusion with kish expanded graphite worm, utilize heating system to heat in the middle of drive belt and compression roller, and its temperature control is about 400 degrees, cuts the curling after the extrusion again, finally reaches the product of the different thickness and the density that the customer needs.
The invention has the following beneficial effects:
1. the invention adopts the recovered product in the steel mill, takes the graphite crystal body of which the carbon is supersaturated and the carbon is separated out from the molten iron as the raw material, and obtains the novel heat-conducting graphite paper through heavy processing.
2. The invention adopts Kish graphite as raw material to produce the graphite paper, and the crystallinity and the thickness of the graphite sheet layer of the Kish graphite paper determine that the heat conductivity of the Kish graphite paper is better than that of natural graphite, the heat conductivity of the natural graphite paper is usually about 200W/(m.K), and the heat conductivity of the heat conduction material made of Kish graphite is more than 400W/(m.K), thereby solving the problem of insufficient heat conductivity of the natural graphite and meeting more requirements of customers.
3. According to the invention, the kish graphite is used as a raw material to produce the graphite paper, and the processable thickness range of the kish graphite is 0.01-10 mm due to the property of the kish graphite, so that the thickness of the novel graphite paper can be thinner than that of the traditional graphite paper, the service performance of the final product can be indirectly improved, and the feasibility of the product can be embodied.
Drawings
FIG. 1 is a schematic diagram of a module according to the present invention;
FIG. 2 is a schematic structural diagram of a module II according to the present invention;
fig. 3 is a schematic view of the structure of the back of the sliding plate according to the present invention.
In the figure: 1. a body; 2. a first mounting bracket; 3. fastening a bolt; 4. a material storage groove; 5. a valve; 6. filtering with a screen; 7. a slider; 8. a second mounting bracket; 9. a first motor; 10. a drive shaft; 11. an elliptical block; 12. a base; 13. a sliding plate; 14. a chute; 15. a compression roller; 16. adjusting the nut; 17. a second motor; 18. a first transmission belt; 19. a bearing; 20. a second transmission belt; 21. a support bar; 22. a round bar; 23. a conveyor belt; 24. and a third motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a device and a method for preparing heat-conducting graphite paper using Kish graphite as a raw material, which comprises a first module and a second module, wherein the first module comprises a
The second module comprises a
To above the conveyer belt, the fixed cover in the inner chamber of motor three 24 in the top of right side round
The working principle is as follows: when the device is used, a kish raw material is placed in an inner cavity of a
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Meanwhile, in the drawings of the invention, the filling pattern is only used for distinguishing the layers and is not limited at all.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
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