CN214572349U - Crucible with woven crucible bottom - Google Patents
Crucible with woven crucible bottom Download PDFInfo
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- CN214572349U CN214572349U CN202022349030.7U CN202022349030U CN214572349U CN 214572349 U CN214572349 U CN 214572349U CN 202022349030 U CN202022349030 U CN 202022349030U CN 214572349 U CN214572349 U CN 214572349U
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- carbon fiber
- crucible
- fiber ropes
- bowl
- woven
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- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 117
- 239000004917 carbon fiber Substances 0.000 claims abstract description 117
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 110
- 238000009941 weaving Methods 0.000 claims description 23
- 230000000392 somatic effect Effects 0.000 abstract description 5
- 238000001467 acupuncture Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 14
- 239000000463 material Substances 0.000 description 13
- 229910002804 graphite Inorganic materials 0.000 description 10
- 239000010439 graphite Substances 0.000 description 10
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 9
- 239000002131 composite material Substances 0.000 description 8
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 238000009940 knitting Methods 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000010453 quartz Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000000280 densification Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 208000034189 Sclerosis Diseases 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000007770 graphite material Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009730 filament winding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Crystals, And After-Treatments Of Crystals (AREA)
- Ceramic Products (AREA)
Abstract
The utility model relates to a crucible at bottom of having to weave crucible, the crucible includes at the bottom of crucible bang and the crucible, be a bowl shape dictyosome at the bottom of the crucible, weave with one or many carbon fiber ropes and form, including bowl somatic part and bowl bottom at the bottom of the crucible. This application adopts the carbon fiber rope to weave and forms, does not need the acupuncture preform, and the closely knit processing in bowl bottom at the bottom of the crucible 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 crucible which is made of a carbon fiber composite material and is woven at the bottom of a crucible.
Background
In the production of silicon single crystals, the czochralski method (CZ method), which is a method of pulling a single crystal from a melt in a vertical direction, is currently widely used. In the manufacturing apparatus, one of the members is a graphite crucible for carrying a quartz crucible therein. In the using process, the problems of cracking, erosion loss and the like of the graphite crucible exist due to different expansion coefficients of the quartz crucible and the graphite crucible and the erosion reaction between silicon vapor and graphite. Moreover, as the diameter of the crystal grown by the single crystal silicon is thicker and thicker, the diameter of the corresponding single crystal furnace is larger and larger, and thus the reliability of the thermal field is required to be higher and higher. Because of the strength limitation of the graphite crucible, the larger the diameter, the larger the wall thickness requirement, so the weight is heavy, and the heat capacity is high, thereby leading to heavy operation, increased energy consumption and increased cost.
As a technique not using a large-sized graphite crucible, the applicant has proposed a technique including forming carbon fibers into a crucible shape by a filament winding method, impregnating them with a resin or pitch as a matrix, and then firing to manufacture a crucible made of a carbon/carbon fiber composite material (hereinafter referred to as a C/C composite material), a technique including attaching a carbon fiber cloth to a forming die, forming and curing to obtain a carbon fiber-reinforced plastic, and then impregnating and firing to manufacture a crucible made of a C/C composite material, and the like. For example, patent No. 200910118210.X discloses a crucible holding member of a hollow mesh body, which is formed by braiding a plurality of strands; however, these crucibles formed by weaving must be processed by adding a binder, carbonizing at a high temperature, and vapor-depositing, which is very time-consuming, but the edges of these crucibles are not reinforced and have no surface coating treatment, so that the edge portions of the crucibles are very easily corroded during use, resulting in insufficient strength. In addition, the supporting strength of the crucible bottom in the prior art can be enhanced.
Thus, the prior art crucible also has a place to lift.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a crucible at bottom of carbon-fibre composite weaves crucible utilizes surface coating to and the bowl bottom at the bottom of the closely knit crucible, with the problem of solving prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a crucible at bottom of having to weave the crucible, the crucible includes at the bottom of crucible nation and the crucible, be a calathiform dictyosome at the bottom of the crucible, include bowl somatic part and bowl bottom at the bottom of the crucible, adopt closely knit form to weave bottom the bowl.
According to the crucible of the preferred embodiment of the present application, the netted body woven by the compact bottom of the bowl 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 encircled to be circular.
According to the crucible of the preferred embodiment of the present application, the net-shaped body densely woven at the bottom of the bowl 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 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.
According to the crucible of the preferred embodiment of the present application, the net-shaped body densely woven at the bottom of the bowl comprises 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.
According to the crucible of the preferred embodiment of the present application, the crucible cover is an annular hollow body.
According to the crucible of the preferred embodiment of the present application, the bowl body is woven by one or more carbon fiber ropes, the bowl body comprises a plurality of axial strips, and one or more carbon fiber ropes are spirally woven around the axial strips.
According to the crucible in the preferred embodiment of the present application, the included angle between the axial strips and the spiral weaving direction of the carbon fiber rope is greater than 70 degrees and smaller 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.
According to the crucible in the preferred embodiment of the application, the bowl body is a bowl-shaped net body which is woven by one or more carbon fiber ropes, and the net body of the bowl body is aligned by the one or more carbon fiber ropes along a first direction which is 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.
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 crucible;
FIG. 2 is a schematic view of a carbon fiber braided tube;
FIG. 3 is one of the weaving diagrams;
FIG. 4 is a second schematic view of knitting;
FIG. 5 is a third schematic view of knitting;
FIG. 6 is a fourth schematic view of knitting;
FIG. 7 is a schematic view of a structure of a crucible bottom;
FIG. 8 is a schematic view of a bowl bottom structure;
FIG. 9 is a schematic view of another angle of FIG. 8;
FIG. 10 is a schematic view of another configuration of the bowl bottom;
fig. 11 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, effectual improvement and surpasss the life-span of traditional crucible, the crucible includes bowl somatic part and the bowl bottom of a structure of weaving, bowl somatic part and bowl bottom need weave into the preform with the fibre at first, the preform indicates does not have the body of weaving before the densification sclerosis, can increase the banding according to actual conditions, then obtains the bowl somatic part and the bowl bottom 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 structure of the crucible can be flexibly designed according to the actual design requirement without manufacturing a blank again, so that the cost can be effectively saved, the delivery time can be shortened, and the batch production can be realized; the supporting strength of the crucible in the height direction is enhanced by the vertical axial strips of the bowl body part at the bottom of the crucible, the circumferential strength of the bowl body part which is horizontally spirally woven is increased, the upper diameter and the lower diameter are more accurate, the bowl body part is woven simply by adopting spiral weaving, 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 and a screw.
The crucible pot capable of being borne by the woven crucible bottom 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. The crucible pot is woven only to be taken as an example in this application embodiment, but can not be used for restricting this application, and the crucible pot end of weaving of this application can bear any form crucible pot.
The present application is specifically described below with reference to the accompanying drawings, and as described above, in the embodiments of the present application, only a woven crucible cover is taken as an example. Referring to fig. 1, the woven crucible comprises a crucible upper 10 and a crucible bottom 20 with edge seals, and is applied to the application field of a carbon fiber composite material in the manufacturing process of monocrystalline silicon or polycrystalline silicon, wherein the crucible upper 10 is an annular hollow body. 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. When the crucible cover 10 is a woven crucible cover, the crucible cover can be connected with the crucible bottom 20 in a weaving mode or can be two separated parts.
The crucible bottom 20 is a bowl-shaped reticular body and is woven by one or more carbon fiber ropes, the crucible bottom 20 comprises a bowl body part 21 and a bowl bottom part 22, in one embodiment, the bowl body part 21 is woven and connected with the bowl bottom part 22, and the bowl body part 21 and the bowl bottom part 22 are woven together; in another embodiment, the bowl bottom 22 is woven with one or more carbon fiber ropes, and the bowl body 21 and the bowl bottom 22 are two separate parts.
Further, the bowl bottom 22, the first embodiment, as shown in fig. 7, fig. 8 and fig. 9, the net-shaped body knitted by the bowl bottom 22 in a dense state includes a part of one or more carbon fiber ropes radiating outward from the center of circle and a part of one or more carbon fiber ropes encircling the circle, when the two parts of carbon fiber ropes cross each other, the one or more carbon fiber ropes radiating outward from the center of circle are in a state of being above the one or more carbon fiber ropes encircling the circle at one time, and are in a state of being in a dense state at a time of being in a state of being cross-connected below the one or more carbon fiber ropes encircling the circle at one time. 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. 10, in a second embodiment, 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 another embodiment, as shown in fig. 11, 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 invention, and the present invention should be construed as being limited thereto as long as the net-shaped body is formed in a woven manner.
Referring to fig. 1 and 2, the crucible port 10 includes: the upper edge sealing part 11, the middle ring part 12 and the lower edge sealing part 13 are sequentially connected; wherein the middle ring portion 12 is an annular hollow mesh body having a substantially cylindrical hollow shape open at the upper and lower surfaces, and the annular hollow mesh body of the middle ring portion 12 is formed by weaving one or more carbon fiber ropes 30. Each of the carbon fiber ropes 30 comprises a plurality of carbon fiber yarns, the carbon fiber yarns parallel to the axis of the rope are arranged in the center of the rope, and the carbon fiber braided tube 40 is coated outside the carbon fiber yarns parallel to the axis. As mentioned above, the crucible pot of the present application can also be an annular hollow whole body (not shown) or an annular hollow splicing body (not shown).
The carbon fiber ropes 30 are each formed by bundling about several tens of thousands of carbon fibers. As the carbon fibers constituting the carbon fiber rope 30, pitch-based carbon fibers, PAN-based carbon fibers, viscose-based carbon fibers, or the like can be used. The carbon fibers that make up the carbon fiber rope 30 may be the same material or different materials. The upper and lower hem portions 11 and 13 are knitted or woven, and as shown in fig. 3, 4, 5 and 6, the upper and lower hem portions 11 and 13 are formed by knitting one or more carbon fiber ropes 30 in various knitting manners.
In addition, as shown in fig. 7, the bowl body 21 is formed by weaving one or more carbon fiber ropes 30, the bowl body 21 includes a plurality of axial strips 50, one or more carbon fiber ropes are spirally woven around the axial strips, and an included angle between the axial strips and a spiral weaving direction of the carbon fiber ropes is greater than 70 degrees and smaller than 90 degrees, as shown in fig. 7, in this embodiment, an angle of spirally weaving one or more carbon fiber ropes around the axial strips is 89 degrees, but it cannot be used to limit the present application, and as long as the angle is small, the protection range of the present application is required as long as the circumferential strength is large; the axial strips 50 are surrounded by one or more carbon fiber ropes 30, one inside and one outside, interlaced at one time inside and one outside.
The axial strips 50 and the one or more carbon fiber ropes 30 are spirally woven to be connected, so that the mesh body can be enlarged in the circumferential direction when a force expanding in the circumferential direction acts on the crucible bottom, thereby absorbing the expansion in the circumferential direction. 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 bowl portion 21 is a bowl-shaped net body woven by one or more carbon fiber ropes, and the net body of the bowl portion 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, which weaving technique has been disclosed in other patents of the applicant and will not be described herein.
Compared with the crucible of the prior art, the crucible of this application adopts carbon fiber composite's carbon fiber rope 30 to weave, need not make the idiosome, the shape of crucible does not receive the restriction of idiosome, can design in a flexible way, because raw materials specification is unified, can batch production, and production efficiency improves greatly moreover, do not need binder sintering or vapor deposition or liquid phase deposition simultaneously in the crucible manufacture process, as long as carry out the carbonization after weaving the completion can, man-hour shortens greatly, so the cost is lower, delivery cycle is short, easily supply.
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 (5)
1. The crucible with the woven crucible bottom is characterized by comprising a crucible side and a crucible bottom, wherein the crucible bottom is a bowl-shaped reticular body and comprises a bowl body part and a bowl bottom, and the bowl bottom is a densely woven reticular body;
the net-shaped body knitted densely at the bottom of the bowl comprises 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 circle center, and one part of the one or more carbon fiber ropes is encircled into a circle;
or the net-shaped body densely woven at the bottom of the bowl 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;
or the net-shaped body densely woven at the bottom of the bowl comprises 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.
2. The crucible having a woven bottom as claimed in claim 1, wherein said crucible end is an annular hollow body.
3. The crucible having a woven crucible bottom of claim 1, wherein the bowl body portion is woven from one or more carbon fiber strands, the bowl body portion comprising a plurality of axial strips about which the one or more carbon fiber strands are helically woven.
4. The crucible with a woven crucible bottom according to claim 3, wherein the included angle between the axial strips and the spiral weaving direction of the one or more carbon fiber ropes is more than 70 degrees and less than 90 degrees; the axial strips are surrounded by the 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.
5. The crucible with a woven crucible bottom according to claim 1, wherein the bowl body portion is a bowl-shaped mesh body woven with one or more carbon fiber ropes, and the mesh body of the bowl body portion is aligned by the one or more carbon fiber ropes in a first direction inclined at a first angle with respect 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.
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| CN202022349030.7U CN214572349U (en) | 2020-10-21 | 2020-10-21 | Crucible with woven crucible bottom |
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| CN202022349030.7U CN214572349U (en) | 2020-10-21 | 2020-10-21 | Crucible with woven crucible bottom |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160022A (en) * | 2020-10-21 | 2021-01-01 | 上海骐杰碳素材料有限公司 | Crucible with woven crucible bottom |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160022A (en) * | 2020-10-21 | 2021-01-01 | 上海骐杰碳素材料有限公司 | Crucible with woven crucible bottom |
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Address after: 201403 floor 5, building 11, No. 6055, Jinhai Road, Fengxian District, Shanghai Patentee after: Shanghai Qijie New Materials Co.,Ltd. Country or region after: China Address before: 200241 room 110, 64 Lane 95, Langhua Road, Langxia Town, Jinshan District, Shanghai Patentee before: Q-CARBON MATERIAL CO.,LTD. Country or region before: China |