CN117536011A - Control method for directional arrangement of carbon filaments of wet-process felt - Google Patents
Control method for directional arrangement of carbon filaments of wet-process felt Download PDFInfo
- Publication number
- CN117536011A CN117536011A CN202311504082.9A CN202311504082A CN117536011A CN 117536011 A CN117536011 A CN 117536011A CN 202311504082 A CN202311504082 A CN 202311504082A CN 117536011 A CN117536011 A CN 117536011A
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- China
- Prior art keywords
- carbon filaments
- container
- wet
- directional arrangement
- control method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 77
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011347 resin Substances 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/46—Non-siliceous fibres, e.g. from metal oxides
- D21H13/50—Carbon fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The application discloses a control method for directional arrangement of carbon filaments of a wet-process felt, which comprises the steps of providing a container; placing carbon filaments, water and resin into the container; opening the opening of the container, allowing water and resin to flow down the opening, and using the resulting liquid flow to drive the carbon filaments to align horizontally. By adopting the control method for the directional arrangement of the carbon filaments of the wet-process felt, the carbon filaments can be arranged in a directional manner perpendicular to the heat conduction direction, power is not needed, and the production cost can be reduced.
Description
Technical Field
The invention belongs to the technical field of wet-process felt manufacturing, and particularly relates to a control method for directional arrangement of carbon filaments of a wet-process felt.
Background
The wet felt is produced through cutting fiber, weighing, stirring, conveying to forming net, sizing, stoving, solidification and winding. In the process of manufacturing the wet-process felt, in order to improve the heat preservation performance of the carbon/carbon composite material and reduce the heat conductivity, carbon fiber wires need to be arranged in an orientation way perpendicular to the heat conduction direction. In the existing wet-process felt manufacturing process, the mixed solution of short fibers, water, glue and the like is placed in a tank, excessive water and glue are discharged through a bottom vacuum extraction mode, and carbon fibers are stacked. In order to maintain the orientation of the filaments at a level during the period from the time the mixture is poured into the tank to the time the extraction is completed, stirring is usually continued with a stirrer.
However, when vacuum is drawn, the liquid inevitably flows downwards, and the fiber is rotated by the rotating liquid flow to achieve the purpose of horizontal arrangement, but partial vertical arrangement of the fiber caused by the liquid flow in the vertical direction during drawing cannot be avoided, and meanwhile, energy is required to be provided for continuous stirring, so that a certain power cost is required.
Disclosure of Invention
In order to solve the problems, the invention provides a control method for directional arrangement of carbon filaments of a wet-process felt, which can lead the carbon filaments to be arranged in a direction perpendicular to a heat conduction direction, does not need power, and can reduce production cost.
The invention provides a control method for directional arrangement of carbon filaments of a wet-process felt, which comprises the following steps:
providing a container;
placing carbon filaments, water and resin into the container;
opening the opening of the container, allowing water and resin to flow down the opening, and using the resulting liquid flow to drive the carbon filaments to align horizontally.
Preferably, in the control method for directional arrangement of carbon filaments of a wet-process felt, before providing a container, the control method further includes:
and the center of the bottom of the container is provided with the opening.
Preferably, in the control method for directional arrangement of carbon filaments of a wet-process felt, before providing a container, the control method further includes:
and the periphery of the bottom of the container is provided with the holes.
Preferably, in the control method for directional arrangement of carbon filaments of a wet-process felt, before providing a container, the control method further includes:
and the bottom of the side face of the container is provided with the opening.
Preferably, in the control method for directional arrangement of carbon filaments of the wet-process felt, the openings are positioned on the filter screen in the circular area.
Preferably, in the control method for directional arrangement of carbon filaments of the wet-process felt, the diameter of the circular region is 20% to 30% of the diameter of the bottom surface of the container.
Preferably, in the control method for directional arrangement of carbon filaments of the wet-process felt, the openings are positioned on a filter screen of an annular area around the bottom of the container.
Preferably, in the control method for directional arrangement of carbon filaments of wet-process felt, the radial length of the annular region is 10% to 15% of the bottom radius of the container.
Preferably, in the control method for directional arrangement of carbon filaments of the wet-process felt, the openings are positioned on a filter screen of an annular area at the bottom of the side surface of the container.
Preferably, in the control method for directional arrangement of carbon filaments of the wet-process felt, the openings are round and have a diameter of 0.2mm to 0.3mm.
As can be seen from the above description, the control method for directional arrangement of carbon filaments of the wet-process felt provided by the invention comprises providing a container; placing carbon filaments, water and resin into the container; opening the opening of the container to enable water and resin to flow down from the opening, and utilizing the generated liquid flow to drive the carbon filaments to be horizontally arranged, so that the carbon filaments can be arranged in an oriented manner perpendicular to the heat conduction direction, power is not needed, and the production cost can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a control method for directional arrangement of carbon filaments of a wet mat provided by the present invention;
FIG. 2 is a schematic diagram of a device used in a control method for directional arrangement of carbon filaments of a wet-process felt;
FIG. 3 is a top plan view of the liquid flow direction with the center of the container open;
fig. 4 is a top view of the liquid flow direction when the container is perforated around.
Detailed Description
The core of the invention is to provide a control method for directional arrangement of carbon filaments of wet-process felt, which can lead the carbon filaments to be arranged in a directional manner perpendicular to the heat conduction direction, does not need power, and can reduce the production cost.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 is a schematic diagram of an embodiment of a method for controlling directional arrangement of carbon filaments of a wet mat according to the present invention, and fig. 2 is a schematic diagram of an apparatus used in a method for controlling directional arrangement of carbon filaments of a wet mat according to the present invention, where the method may include the following steps:
s1: providing a container 1;
the container 1 may have a hole at the bottom to allow the liquid to flow out.
S2: putting carbon filaments 2, water and resin into a container 1;
the method is to manufacture wet-process felts, which require carbon filaments to be horizontally arranged as much as possible, and then glued together to form the wet-process felts.
S3: the opening 3 of the container is opened, water and resin are allowed to flow down from the opening 3, and the resulting liquid flow is used to drive the carbon filaments 2 to be horizontally aligned.
It should be noted that, as can be seen from fig. 2, the opening 3 is located at the center of the bottom of the container 1, and is not limited to this position, water and resin can naturally flow down, or can be pumped down, and the pumping mode is not limited herein, and a horizontal force is applied to the carbon filaments 2 during the process of flowing down the water and the resin, and the force makes the carbon filaments 2 naturally arranged along the horizontal direction and adhere together under the action of gluing, so that the effect of horizontally arranging the carbon filaments without additional power is achieved.
As can be seen from the above description, in the embodiment of the control method for directional arrangement of carbon filaments of the wet-process felt provided by the present invention, a container is provided; putting carbon wires, water and resin into a container; the open pore of the container is opened, so that water and resin flow down from the open pore, and the generated liquid flow is utilized to drive the carbon filaments to be horizontally arranged, so that the carbon filaments can be arranged in an oriented manner perpendicular to the heat conduction direction, power is not needed, and the production cost can be reduced.
In one specific embodiment of the control method for directional arrangement of carbon filaments of wet-process felt, before providing a container, the method may further include the following steps: an opening is formed in the center of the bottom of the container 1. In this case, as shown in fig. 3, fig. 3 is a top view of the liquid flow direction when the center of the container is perforated, it can be seen that in this case, the water around all flows to the center of the container, so that the carbon wires at each position are driven to lie down in the direction of the center of the container, and are stuck by the resin, so that the horizontal arrangement can be better ensured, and the position of the center of the container can be finely adjusted according to the actual needs, which is not limited. Further, the openings may preferably be located on a screen in a circular area, and the diameter of the circular area may preferably be 20% to 30% of the diameter of the bottom surface of the container, and the openings may preferably be circular and have a diameter of 0.2mm to 0.3mm, that is, preferably using a 60 mesh screen, although other types of screens may be selected according to actual needs, and are not limited thereto.
In another specific embodiment of the control method for directional arrangement of carbon filaments of wet-process felt, before providing a container, the method may further include the following steps: openings are formed around the bottom of the container 1. In this case, as shown in fig. 4, fig. 4 is a top view of the liquid flowing around the periphery of the container when the holes are opened, so that the liquid flows around from the vicinity of the center, thereby driving the carbon wires at each position to lie down in the direction of the holes around, and the carbon wires are stuck by the resin, so that the horizontal arrangement can be ensured, and the number and the size of the holes can be adjusted according to actual needs, which is not limited. The openings may preferably be on a screen of an annular area around the bottom of the container 1, and the radial length of the annular area may preferably be 10% to 15% of the radius of the bottom of the container 1, and the openings may preferably be circular and have a diameter of 0.2mm to 0.3mm, i.e. a 60 mesh screen is preferably used, although the number and size of the openings may be adjusted according to the actual need and are not limited thereto.
In still another specific embodiment of the control method for directional arrangement of carbon filaments of a wet mat, before providing a container, the method may further include the following steps: the bottom of the side face of the container 1 is provided with an opening, so that the downward water flow component can be reduced, and the carbon wires are further effectively prevented from being vertical. Further, the openings may preferably be formed in a screen in an annular area at the bottom of the side of the container 1, and further, the openings are preferably circular and have a diameter of 0.2mm to 0.3mm, that is, a screen of 60 mesh size is preferably used, and the number and size of the openings may be adjusted according to practical needs, but are not limited thereto.
In summary, the control method for the directional arrangement of the carbon filaments of the wet-process felt can reduce the proportion of the carbon filaments which are longitudinally arranged as much as possible, and the spontaneous directional arrangement method also reduces the energy consumption caused by continuous stirring.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The control method for the directional arrangement of the carbon filaments of the wet-process felt is characterized by comprising the following steps of:
providing a container;
placing carbon filaments, water and resin into the container;
opening the opening of the container, allowing water and resin to flow down the opening, and using the resulting liquid flow to drive the carbon filaments to align horizontally.
2. The method of controlling the directional arrangement of carbon filaments of a wet mat as set forth in claim 1, further comprising, prior to said providing a container:
and the center of the bottom of the container is provided with the opening.
3. The method of controlling the directional arrangement of carbon filaments of a wet mat as set forth in claim 1, further comprising, prior to said providing a container:
and the periphery of the bottom of the container is provided with the holes.
4. The method of controlling the directional arrangement of carbon filaments of a wet mat as set forth in claim 1, further comprising, prior to said providing a container:
and the bottom of the side face of the container is provided with the opening.
5. The method of controlling the directional arrangement of carbon filaments of a wet mat as set forth in claim 2 wherein said openings are located on a screen in a circular area.
6. The method of controlling the directional arrangement of carbon filaments of a wet laid mat as set forth in claim 5, wherein the diameter of said circular area is 20% to 30% of the diameter of the bottom surface of said vessel.
7. A method of controlling the directional arrangement of carbon filaments of a wet laid mat as claimed in claim 3 wherein the openings are located in the screen of an annular region around the bottom of the vessel.
8. The method of claim 7, wherein the radial length of the annular region is 10% to 15% of the bottom radius of the vessel.
9. The method of controlling the directional arrangement of carbon filaments of a wet laid mat as set forth in claim 4, wherein said openings are located on the screen of the annular region of the side bottom of said vessel.
10. A control method of the directional arrangement of carbon filaments of a wet laid mat according to any one of claims 5, 7 and 9, wherein the openings are circular and have a diameter of 0.2mm to 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311504082.9A CN117536011A (en) | 2023-11-13 | 2023-11-13 | Control method for directional arrangement of carbon filaments of wet-process felt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311504082.9A CN117536011A (en) | 2023-11-13 | 2023-11-13 | Control method for directional arrangement of carbon filaments of wet-process felt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117536011A true CN117536011A (en) | 2024-02-09 |
Family
ID=89787485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311504082.9A Pending CN117536011A (en) | 2023-11-13 | 2023-11-13 | Control method for directional arrangement of carbon filaments of wet-process felt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117536011A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624102A (en) * | 1985-06-24 | 1986-11-25 | E. I. Du Pont De Nemours And Company | Method for reducing broken fibers on the surface of a carbon fiber yarn bundle |
| CN102174772A (en) * | 2011-01-20 | 2011-09-07 | 程启进 | Method for preparing high-temperature-resistant carbon fiber and glass fiber composite membrane |
| CN105350402A (en) * | 2015-10-10 | 2016-02-24 | 上海英正辉环保设备有限公司 | Paper molding multi-vacuum-degree blank forming method and apparatus for implementing same |
| CN105386237A (en) * | 2015-12-24 | 2016-03-09 | 南通大学 | Preparation method of silicon carbide fiber felt and wet method deposition device for preparation |
| CN116479675A (en) * | 2023-05-16 | 2023-07-25 | 湖南双环纤维成型设备有限公司 | Wet forming equipment for short carbon fiber hard felt |
-
2023
- 2023-11-13 CN CN202311504082.9A patent/CN117536011A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624102A (en) * | 1985-06-24 | 1986-11-25 | E. I. Du Pont De Nemours And Company | Method for reducing broken fibers on the surface of a carbon fiber yarn bundle |
| CN102174772A (en) * | 2011-01-20 | 2011-09-07 | 程启进 | Method for preparing high-temperature-resistant carbon fiber and glass fiber composite membrane |
| CN105350402A (en) * | 2015-10-10 | 2016-02-24 | 上海英正辉环保设备有限公司 | Paper molding multi-vacuum-degree blank forming method and apparatus for implementing same |
| CN105386237A (en) * | 2015-12-24 | 2016-03-09 | 南通大学 | Preparation method of silicon carbide fiber felt and wet method deposition device for preparation |
| CN116479675A (en) * | 2023-05-16 | 2023-07-25 | 湖南双环纤维成型设备有限公司 | Wet forming equipment for short carbon fiber hard felt |
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