CN215050849U - Braided bowl body prefabricated body and braided coating bowl body - Google Patents
Braided bowl body prefabricated body and braided coating bowl body Download PDFInfo
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- CN215050849U CN215050849U CN202022352683.0U CN202022352683U CN215050849U CN 215050849 U CN215050849 U CN 215050849U CN 202022352683 U CN202022352683 U CN 202022352683U CN 215050849 U CN215050849 U CN 215050849U
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- 239000011248 coating agent Substances 0.000 title claims abstract description 44
- 238000000576 coating method Methods 0.000 title claims abstract description 44
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 152
- 239000004917 carbon fiber Substances 0.000 claims abstract description 152
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 152
- 238000009941 weaving Methods 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 208000034189 Sclerosis Diseases 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 8
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000280 densification Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 238000009954 braiding Methods 0.000 description 2
- 239000007770 graphite material Substances 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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- Crystals, And After-Treatments Of Crystals (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The utility model relates to a woven bowl body prefabricated body and a woven coating bowl body, which are used for the bottom of a crucible, namely the bottom of the crucible, wherein the bowl body prefabricated body is a bowl-shaped reticular body woven by one or more carbon fiber ropes, and the reticular body of the bowl body prefabricated body is aligned by one or more carbon fiber ropes along a first direction inclined by a first angle relative to a central shaft; aligned by one or more carbon fiber strands in a second direction inclined at a second angle relative to the central axis; the second angle is the same as the first angle, and wherein the first and second directions are symmetrical with respect to a central axis; or, the bowl body prefabricated part comprises a plurality of axial strips, and one or more carbon fiber ropes are spirally woven around the axial strips. The bowl body of this application adopts the cross or spiral to weave, weaves simplely, and the closely knit processing at the bottom of the bowl has strengthened the support intensity at the bottom of the crucible.
Description
Technical Field
The utility model relates to an application of a carbon fiber composite material in the manufacturing process of monocrystalline silicon or polycrystalline silicon, in particular to a bowl body prefabricated body made of carbon fiber composite material and a coating bowl body made of the prefabricated body.
Background
In the production of crystals, there is a crucible as one component, and the material of the crucible is generally graphite, ceramic, metal, etc., and there are problems such as cracking and erosion deterioration of the crucible. Moreover, as the diameter of the grown crystal grows thicker and thicker, the diameter of the corresponding furnace is made larger and larger, and thus the reliability of the thermal field is required to be higher and higher. Due to the limitation of the crucible bottom strength of the existing crucible, the larger the diameter is, the larger the wall thickness is, the heavier the weight is, the higher the heat capacity is, the heavier the operation is, the more the energy consumption is increased, and the cost is increased.
Therefore, the crucible bottom of the crucible of the prior art has a place to be lifted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bowl body preform that carbon-fibre composite weaved and the coating bowl body of making with this preform use at the bottom of cooperation crucible pot bang and the bowl to solve prior art's problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a woven bowl body prefabricated body is used for the bottom of a crucible, namely the bottom of the crucible, the bowl body prefabricated body is a bowl-shaped net-shaped body and is woven by one or more carbon fiber ropes, and the net-shaped body of the bowl body prefabricated body is aligned by one or more carbon fiber ropes along a first direction inclined by a first angle relative to a central axis; aligned by one or more carbon fiber strands in a second direction inclined at a second angle relative to the central axis; the second angle is the same as the first angle, and wherein the first and second directions are symmetrical with respect to a central axis; or, the bowl body prefabricated part includes a plurality of axial strips, one or many the carbon fiber rope winds axial strip spiral is woven and is formed.
According to the braided bowl body preform in the preferred embodiment of the present application, an included angle between the axial strips and the helical braiding direction of one or more carbon fiber ropes is greater than 70 degrees and less than 90 degrees; the axial strips are connected in an interweaving mode in a surrounding mode by one or more carbon fiber ropes.
According to a preferred embodiment of the present application, the woven bowl preform comprises at least one sealed edge.
A woven coating bowl body is used for the bottom of a crucible, namely the bottom of the crucible, and is a bowl-shaped net body woven by one or more carbon fiber ropes, and the net body of the coating bowl body is aligned by one or more carbon fiber ropes along a first direction inclined at a first angle relative to a central axis; aligned by one or more carbon fiber strands in a second direction inclined at a second angle relative to the central axis; the second angle is the same as the first angle, and the first direction and the second direction are symmetrical relative to the central axis, and a deposited carbon layer or a hardened substance layer is coated or filled on the surface of the carbon fiber and between the carbon fiber and the carbon fiber; or, the coating bowl body includes a plurality of axial strips, one or many the carbon fiber rope winds axial strip spiral is woven and is formed, and carbon fiber surface and between with the cladding or fill deposit carbon layer or sclerosis thing layer.
According to the braided coating bowl body of the preferred embodiment of the present application, the included angle between the axial strips and the helical braiding direction of one or more carbon fiber ropes is greater than 70 degrees and less than 90 degrees; the axial strips are connected in an interweaving mode in a surrounding mode by one or more carbon fiber ropes.
According to the braided coated bowl body of the preferred embodiment of the present application, the axial strips are one of carbon-carbon rods, graphite rods, high-temperature ceramic rods, high-temperature metal rods, and carbon fiber ropes.
According to a preferred embodiment of the present application, the coated and knitted bowl body includes at least one sealed edge.
According to the braided coating bowl body of the preferred embodiment of the application, the crucible bottom also comprises a bowl bottom, the net-shaped body braided in a dense shape at the bowl bottom comprises one or more carbon fiber ropes partially radiating outwards from the circle center and one or more carbon fiber ropes partially encircling into a circle, one or more carbon fiber ropes radiating outwards from the circle center are in a dense shape at one time above one or more carbon fiber ropes encircling into a circle and in a time below one or more carbon fiber ropes encircling into a circle in a cross connection manner; the coating bowl body is connected with the bowl bottom in a weaving mode; or the bowl bottom is woven by one or more carbon fiber ropes, the coating bowl body is woven by one or more carbon fiber ropes, and the coating bowl body and the bowl bottom are two separated parts.
According to the braided coating bowl body of the preferred embodiment of the application, the crucible bottom also comprises a bowl bottom, and the net-shaped body tightly braided on the bowl bottom comprises a first group of carbon fiber ropes and a second group of carbon fiber ropes; the carbon fiber ropes forming the first group of carbon fiber ropes are consistent in direction, and the carbon fiber ropes forming the second group of carbon fiber ropes are consistent in direction; the first group of carbon fiber ropes are arranged above the second group of carbon fiber ropes at one time and are connected below the second group of carbon fiber ropes at one time in a cross mode to form a compact shape; the coating bowl body is connected with the bowl bottom in a weaving mode; or the bowl bottom is woven by one or more carbon fiber ropes, the coating bowl body is woven by one or more carbon fiber ropes, and the coating bowl body and the bowl bottom are two separated parts.
According to the braided coating bowl body of the preferred embodiment of the application, the crucible bottom also comprises a bowl bottom, and the net-shaped body tightly braided on the bowl bottom comprises at least two groups of carbon fiber ropes; the first group of carbon fiber ropes are woven in a staggered mode from the center of the circle to the outside in a radial mode, the second group of carbon fiber ropes are connected around the first group of carbon fiber ropes in a compact mode, the first group of carbon fiber ropes which are radiated from the center of the circle to the outside are arranged above the second group of carbon fiber ropes which are arranged in a surrounding mode at one time, and the first group of carbon fiber ropes which are arranged in a surrounding mode at one time are connected below the second group of carbon fiber ropes which are arranged in a surrounding mode at a crossed mode at one time in a compact mode; the coating bowl body is connected with the bowl bottom in a weaving mode; or the bowl bottom is woven by one or more carbon fiber ropes, the coating bowl body is woven by one or more carbon fiber ropes, and the coating bowl body and the bowl bottom are two separated parts.
Owing to adopted above technical scheme, make the utility model discloses following advantage effect has:
firstly, the bowl body is made of carbon-carbon materials, and the carbon-carbon materials are higher in strength than graphite materials, play a role in local reinforcing and placing, and can prolong the service life;
secondly, by adopting the scheme, the crucible bonding requirement of the crucible can be reduced, and graphite or carbon with lower density can be adopted, so that the use cost is greatly saved;
thirdly, if the carbon-carbon bowl body is damaged, only local easily-damaged parts need to be replaced, and the whole crucible does not need to be scrapped, so that the effects of safe production, material saving and cost reduction are achieved;
fourthly, by adopting the scheme of the application, the crucible does not need to be integrally manufactured, the space in the furnace can be saved, and the process, difficulty and working time of the traditional crucible manufacturing can be reduced, so that the manufacturing cost is saved;
fifthly, by adopting the combined crucible, the quartz crucible inside can be taken out more easily after crystal pulling is finished, knocking is reduced, damage of external force to the crucible is reduced, and the service life is prolonged
Sixthly, the bowl body at the crucible bottom is woven in a staggered or spiral mode, and weaving is simpler;
seventhly, the bowl end at the bottom of the crucible of this application is closely knit to be handled, has strengthened the support intensity at the bottom of the crucible.
Of course, implementing any particular embodiment of the present disclosure does not necessarily have all of the above technical advantages at the same time.
Drawings
FIG. 1 is a schematic view of a structure of a crucible bottom;
FIG. 2 is a schematic view of a bowl bottom structure;
FIG. 3 is a schematic view of another angle of FIG. 2;
FIG. 4 is a schematic view of another structure of the bowl bottom;
fig. 5 is a schematic view of another structure of the bowl bottom.
Detailed Description
For the purpose of understanding, the preferred embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The core thought of this application lies in, makes a crucible, and effectual improvement and surpass the life-span of traditional crucible include the bowl body of a structure of weaving at the bottom of the crucible, the bowl body at first need be woven into the preform with the carbon fiber rope, the preform indicates not to have the body of weaving before the densification sclerosis, the preform can increase the banding according to actual conditions, then obtains the bowl body of sclerosis through the densification processing. The densification hardening includes vapor deposition, liquid deposition, sintering, etc., which are well known technologies and will not be described herein. The crucible can be designed flexibly according to actual design requirements, the supporting strength of the crucible in the height direction is enhanced by the vertical axial strips of the bowl body at the bottom of the crucible, the circumferential strength of the bowl body which is woven horizontally and spirally is increased, the upper diameter and the lower diameter are more accurate, the bowl body is woven spirally, the weaving is simpler, the manufacturing time is reduced, the material cost and the use cost are greatly reduced, and the spiral is a twisted curve like a spiral line and a screw.
The crucible pot capable of being borne by the woven bowl body is suitable for an annular hollow integral crucible pot and an annular hollow splicing body crucible pot besides the woven crucible pot with the edge sealing design; the annular hollow integral crucible pot is formed by hollowing the middle of a material and shaping the outer surface, which is already a disclosed technology; the crucible pot of the annular hollow splicing body is spliced by the splicing strips, and the splicing technology is disclosed in other patents and is not described here. Only take weaving crucible nation in this application embodiment as an example, but can not be used for restricting this application, the crucible nation of any form can be born to the weaving bowl body of this application. The crucible pot types are classified into the following types according to different categories: the method is classified according to the structure and comprises a woven crucible pot and a solid crucible pot; the materials are classified according to the materials, and the materials comprise a carbon crucible port and a graphite crucible port. The crucible pot weaving comprises cross weaving, spiral weaving and cross weaving with axial strips; the solid crucible pot comprises an integral crucible pot and a splicing crucible pot.
The present application is specifically described below with reference to the accompanying drawings, and please refer to a schematic structural diagram of a crucible bottom in fig. 1, wherein a crucible comprises a crucible cover (not shown) and a crucible bottom, and is applied to the field of application of a carbon fiber composite material in the manufacturing process of monocrystalline silicon or polycrystalline silicon. The crucible bottom is a bowl-shaped reticular body and is woven by one or more carbon fiber ropes, the crucible bottom comprises a coating bowl body 21 and a bowl bottom 22, in one embodiment, the coating bowl body 21 is woven and connected with the bowl bottom 22, the coating bowl body and the bowl bottom 22 are woven together, in the weaving mode, the upper end of the coating bowl body 21 can be woven and connected with a sealing edge to increase the connection stability, the sealing edge is needless of course, and only the connection stability is required; in another embodiment, the bowl bottom 22 is woven by one or more carbon fiber ropes, and the coating bowl body 21 is woven by one or more carbon fiber ropes, the coating bowl body 21 and the bowl bottom 22 are two separated parts, and in this weaving mode, the upper end and the lower end of the coating bowl body 21 can be woven to connect each edge sealing or only one end is connected to the edge sealing, so as to increase the connection stability, and certainly, the edge sealing is not needed, so long as the connection is stable.
Further, the bowl bottom 22, the first embodiment of the bowl bottom 22, as shown in fig. 1, fig. 2 and fig. 3, the net-shaped body woven by the bowl bottom 22 in a dense shape includes one or more carbon fiber ropes and one or more carbon fiber ropes, wherein one part of the one or more carbon fiber ropes is radiated outwards from the center of the circle, and one part of the one or more carbon fiber ropes is looped to be a circular shape. The dense state as referred to herein means a state in which the carbon fiber ropes are close to each other, and no void is intentionally left.
Referring to fig. 4, in a second embodiment of the bowl bottom 22, the densely woven mesh body of the bowl bottom 22 includes a first group of carbon fiber ropes and a second group of carbon fiber ropes; the carbon fiber ropes forming the first group of carbon fiber ropes are consistent in direction, and the carbon fiber ropes forming the second group of carbon fiber ropes are consistent in direction; the first group of carbon fiber ropes are arranged above the second group of carbon fiber ropes at one time, and the second group of carbon fiber ropes are arranged below the second group of carbon fiber ropes at one time in a cross connection mode to form a compact shape. The dense state as referred to herein means a state in which the carbon fiber ropes are close to each other, and no void is intentionally left.
In a third embodiment of the bowl bottom 22, as shown in fig. 5, the densely woven mesh body of the bowl bottom 22 includes at least two groups of carbon fiber ropes; the carbon fiber ropes are connected around the first group of carbon fiber ropes to be in a compact shape, the first group of carbon fiber ropes radiating outwards from the circle center are arranged above the second group of carbon fiber ropes surrounding the circular shape at one time, and the second group of carbon fiber ropes surrounding the circular shape at one time are in a compact shape in a cross connection mode. The dense state as referred to herein means a state in which the carbon fiber ropes are close to each other, and no void is intentionally left.
As described above, the three shapes of the net-shaped body of the bowl bottom 22 are not intended to limit the present application, and the present application should be construed as being limited thereto as long as the net-shaped body is formed in a woven manner.
In addition, as shown in fig. 1, the coated bowl body 21 is woven by one or more carbon fiber ropes, as mentioned above, the coated bowl body 21 is firstly woven by fibers to form a prefabricated body, the woven bowl body prefabricated body is used at the bottom of the crucible, namely the bottom of the crucible, the bowl body prefabricated body is a bowl-shaped net body and is woven by one or more carbon fiber ropes, and the net body of the bowl body prefabricated body is aligned by one or more carbon fiber ropes along a first direction inclined by a first angle relative to the central axis; aligned by one or more carbon fiber strands in a second direction inclined at a second angle relative to the central axis; the second angle is the same as the first angle, and wherein the first and second directions are symmetrical with respect to a central axis; or, the bowl body prefabricated part includes a plurality of axial strips, one or many the carbon fiber rope winds axial strip spiral is woven, axial strip and one or many the contained angle that the direction was woven to the carbon fiber rope spiral is for being greater than 70 degrees and being less than 90 degrees, the axial strip is surrounded by one or many carbon fiber rope inside and outside, and the connection is interweaved including the time outside, the time.
In addition, as shown in fig. 1, the coated bowl body 21 is woven by one or more carbon fiber ropes, and the prefabricated body can be added with a sealing edge according to actual conditions, then, a hardened bowl body, i.e. the braided coated bowl body according to the present application, the coating bowl body 21 is woven by one or more carbon fiber ropes, the bowl body 21 comprises a plurality of axial strips 50, one or more carbon fiber ropes are spirally woven around the axial strips 50, the included angle between the axial strips and the spiral weaving direction of one or more carbon fiber ropes is more than 70 degrees and less than 90 degrees, as shown in fig. 1, in this embodiment, the angle at which one or more of the carbon fiber ropes helically weave the axial strips 50 is 89 degrees, but the angle is small, and the protection scope of the application is required as long as the circumferential strength is large; the axial strips 50 are surrounded by one or more carbon fiber ropes inside and outside, and are connected in an interweaving mode at one time outside and one time inside; the carbon fiber surface (the surface of the carbon fiber rope or belt after hardening is called the carbon fiber surface) of the coating bowl body 21 and the deposited carbon layer or the hardened substance layer are coated or filled between the carbon fiber surface and the carbon fiber surface, and the hardened substance can be silicon carbide, silicon nitride or other ceramics and the like.
The axial strips 50 and one or more carbon fiber ropes are connected in a spiral weaving manner, so that when a force expanding in the circumferential direction acts on the crucible bottom, the mesh body can be enlarged in the circumferential direction, and the expansion in the circumferential direction can be absorbed. Therefore, breakage of the fiber is unlikely to occur, the shape is not largely lost, and therefore the crucible bottom has excellent shape stability. And only one direction of weaving mode is available, so that the weaving is simpler. In addition, the axial bar 50 is one of a carbon-carbon rod, a graphite rod, a high-temperature ceramic rod, a high-temperature metal rod, and a carbon fiber rope.
In another embodiment of the present application, the coated bowl body 21 is a bowl-shaped net body woven by one or more carbon fiber ropes, and the net body of the coated bowl body 21 is aligned by one or more carbon fiber ropes along a first direction inclined by a first angle relative to the central axis; aligned by one or more carbon fiber strands in a second direction inclined at a second angle relative to the central axis; the second angle is the same as the first angle, and the first direction and the second direction are symmetrical with respect to the central axis, and the carbon fiber surface (the surface of the carbon fiber rope or belt after hardening is called the carbon fiber surface) of the coating bowl body 21 is coated or filled with a deposited carbon layer or a hardened substance layer, wherein the hardened substance can be silicon carbide, silicon nitride or other ceramics, and the weaving technology is disclosed in other patents of the applicant and is not described herein.
Compared with the crucible in the prior art, the crucible of the application adopts carbon fiber composite's carbon fiber rope to weave, need not make the idiosome, and the shape of crucible does not receive the restriction of idiosome, can design in a flexible way, because the raw materials specification is unified, can batch production, and production efficiency improves greatly moreover, shortens greatly man-hour, so the cost is lower, and delivery cycle is short, easily supplies.
Compared with the prior art, the method has the advantages and positive effects that the method adopts the technology as follows:
firstly, the bowl body is made of carbon-carbon materials, and the carbon-carbon materials are higher in strength than graphite materials, play a role in local reinforcing and placing, and can prolong the service life;
secondly, by adopting the scheme, the crucible bonding requirement of the crucible can be reduced, and graphite or carbon with lower density can be adopted, so that the use cost is greatly saved;
thirdly, if the carbon-carbon bowl body is damaged, only local easily-damaged parts need to be replaced, and the whole crucible does not need to be scrapped, so that the effects of safe production, material saving and cost reduction are achieved;
fourthly, by adopting the scheme of the application, the crucible does not need to be integrally manufactured, the space in the furnace can be saved, and the process, difficulty and working time of the traditional crucible manufacturing can be reduced, so that the manufacturing cost is saved;
fifthly, by adopting the combined crucible, the quartz crucible inside can be taken out more easily after crystal pulling is finished, knocking is reduced, damage of external force to the crucible is reduced, and the service life is prolonged
Sixthly, the bowl body at the crucible bottom is woven in a staggered or spiral mode, and weaving is simpler;
seventhly, the bowl end at the bottom of the crucible of this application is closely knit to be handled, has strengthened the support intensity at the bottom of the crucible.
Of course, it is not necessary to implement any particular embodiment of the present invention to achieve all of the above technical effects at the same time.
The above disclosure is only for the preferred embodiment of the present invention, but not intended to limit itself, and those skilled in the art can make variations and changes equally without departing from the spirit of the present invention, and all such variations and changes are deemed to fall within the scope of the present invention.
Claims (10)
1. A woven bowl body prefabricated body is used for the bottom of a crucible, namely the bottom of the crucible, and is characterized in that the bowl body prefabricated body is a bowl-shaped net-shaped body and is woven by one or more carbon fiber ropes, and the net-shaped body of the bowl body prefabricated body is aligned by one or more carbon fiber ropes along a first direction inclined by a first angle relative to a central shaft; aligned by one or more carbon fiber strands in a second direction inclined at a second angle relative to the central axis; the second angle is the same as the first angle, and wherein the first and second directions are symmetrical with respect to a central axis; or, the bowl body prefabricated part includes a plurality of axial strips, one or many the carbon fiber rope winds axial strip spiral is woven and is formed.
2. The woven bowl preform of claim 1 wherein said axial strips are oriented at an angle of greater than 70 degrees and less than 90 degrees to the direction of helical weaving of one or more of said carbon fiber cords; the axial strips are surrounded by one or more carbon fiber ropes at the inner part and the outer part, and are connected in an interweaving mode at the outer part and the inner part at one time.
3. The woven bowl preform of claim 1 wherein said bowl preform includes at least one seal.
4. A woven coating bowl body is used for the bottom of a crucible, namely the bottom of the crucible, and is characterized in that the coating bowl body is a bowl-shaped net body and is woven by one or more carbon fiber ropes, and the net body of the coating bowl body is aligned by one or more carbon fiber ropes along a first direction inclined by a first angle relative to a central axis; aligned by one or more carbon fiber strands in a second direction inclined at a second angle relative to the central axis; the second angle is the same as the first angle, and the first direction and the second direction are symmetrical relative to the central axis, and a deposited carbon layer or a hardened substance layer is coated or filled on the surface of the carbon fiber and between the carbon fiber and the carbon fiber; or, the coating bowl body includes a plurality of axial strips, one or many the carbon fiber rope winds axial strip spiral is woven and is formed, and carbon fiber surface and between with the cladding or fill deposit carbon layer or sclerosis thing layer.
5. The woven coated bowl body according to claim 4, wherein said axial strips form an angle with the direction of helical weaving of one or more of said carbon fiber cords of greater than 70 degrees and less than 90 degrees; the axial strips are surrounded by one or more carbon fiber ropes at the inner part and the outer part, and are connected in an interweaving mode at the outer part and the inner part at one time.
6. The woven coated bowl body of claim 4 wherein said coated bowl body includes at least one seal.
7. The woven coated bowl body of claim 5 wherein said axial strips are one of carbon rods, graphite rods, high temperature ceramic rods, high temperature metal rods, carbon fiber ropes.
8. The woven coated bowl body according to claim 4, wherein the bowl bottom further comprises a bowl bottom, the densely woven mesh body of the bowl bottom comprises one or more carbon fiber ropes partially radiating from the center of the circle and one or more carbon fiber ropes partially encircling the circle, the one or more carbon fiber ropes radiating from the center of the circle are cross-connected to be dense at one time above the one or more carbon fiber ropes encircling the circle and at one time below the one or more carbon fiber ropes encircling the circle; the coating bowl body is connected with the bowl bottom in a weaving mode; or the bowl bottom is woven by one or more carbon fiber ropes, the coating bowl body is woven by one or more carbon fiber ropes, and the coating bowl body and the bowl bottom are two separated parts.
9. The woven coated bowl of claim 4 wherein said bowl floor further comprises a bowl floor, said bowl floor densely woven mesh comprising a first plurality of carbon fiber strands and a second plurality of carbon fiber strands; the carbon fiber ropes forming the first group of carbon fiber ropes are consistent in direction, and the carbon fiber ropes forming the second group of carbon fiber ropes are consistent in direction; the first group of carbon fiber ropes are arranged above the second group of carbon fiber ropes at one time and are connected below the second group of carbon fiber ropes at one time in a cross mode to form a compact shape; the coating bowl body is connected with the bowl bottom in a weaving mode; or the bowl bottom is woven by one or more carbon fiber ropes, the coating bowl body is woven by one or more carbon fiber ropes, and the coating bowl body and the bowl bottom are two separated parts.
10. The woven coated bowl of claim 4 wherein said bowl floor further comprises a bowl floor, said bowl floor densely woven mesh comprising at least two clusters of carbon fiber cords; the first group of carbon fiber ropes are woven in a staggered mode from the center of the circle to the outside in a radial mode, the second group of carbon fiber ropes are connected around the first group of carbon fiber ropes in a compact mode, the first group of carbon fiber ropes which are radiated from the center of the circle to the outside are arranged above the second group of carbon fiber ropes which are arranged in a surrounding mode at one time, and the first group of carbon fiber ropes which are arranged in a surrounding mode at one time are connected below the second group of carbon fiber ropes which are arranged in a surrounding mode at a crossed mode at one time in a compact mode; the coating bowl body is connected with the bowl bottom in a weaving mode; or the bowl bottom is woven by one or more carbon fiber ropes, the coating bowl body is woven by one or more carbon fiber ropes, and the coating bowl body and the bowl bottom are two separated parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022352683.0U CN215050849U (en) | 2020-10-21 | 2020-10-21 | Braided bowl body prefabricated body and braided coating bowl body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022352683.0U CN215050849U (en) | 2020-10-21 | 2020-10-21 | Braided bowl body prefabricated body and braided coating bowl body |
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| Publication Number | Publication Date |
|---|---|
| CN215050849U true CN215050849U (en) | 2021-12-07 |
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| CN202022352683.0U Active CN215050849U (en) | 2020-10-21 | 2020-10-21 | Braided bowl body prefabricated body and braided coating bowl body |
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| Country | Link |
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| CN (1) | CN215050849U (en) |
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