Carbon fiber precursor steam drafting heat preservation device
The insulation chamber formed by the U-shaped shell and the insulation block, combined with the design of the water conduction block and the water collection chamber, solves the insulation problem during the steam drafting process of carbon fiber raw silk, improves the insulation efficiency and temperature control, and ensures the quality of the raw silk.
Patent Information
- Application Number
- CN202422952579.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-12-02
AI Technical Summary
During the production process of existing carbon fiber raw silk, the insulation effect of the steam drafting process is poor, which affects the quality of the raw silk.
It adopts a U-shaped shell structure, with baffles and insulation blocks inside to form an insulation chamber, and collects condensate through the water conductor blocks and water collection chambers, and combines the insulation board and rubber sleeve to improve the insulation effect.
Improves insulation efficiency, ensures the quality of the raw silk, reduces heat loss, and achieves better temperature control.
Smart Images

Figure CN223189303U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of carbon fiber production equipment, and particularly relates to a carbon fiber precursor steam drawing and heat preservation device. Background Art
[0002] In the production process of high-quality, high-performance carbon fiber precursor, the quality of the carbon fiber precursor determines the quality of the carbon fiber. During the steam drawing process of the existing tubular drawing box, due to its own structure, the steam entering the drawing tube needs to be maintained at a certain pressure and temperature. Therefore, whether it can be effectively kept warm will directly affect the quality of the precursor production.
[0003] In order to solve the above problems, a device with better heat preservation effect is needed to improve the heat preservation efficiency and better ensure the quality of raw silk production. Utility Model Content
[0004] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a carbon fiber precursor steam drawing and heat preservation device.
[0005] The above-mentioned technical problems of the present invention are mainly solved by the following technical solutions: A carbon fiber precursor steam drawing and heat preservation device comprises a U-shaped shell, characterized in that: baffles are provided at the front and rear ends of the U-shaped shell, and a bent portion is formed at the bottom of one side where the baffles on both sides face each other, and the bent portion is folded toward the inside of the U-shaped shell, and an insulation block is provided at the bottom of the bent portion, and the bent portion and the insulation block are connected by bolts, and material placement holes are provided on the left and right sides of the bottom of the insulation block, and an insulation plate is provided on the top of the U-shaped shell, and water collecting hoppers are provided on the left and right sides of the inner wall of the U-shaped shell, and the two sides of the water collecting hopper extend to the top of the bent portion, and a water collecting chamber is formed between the water collecting hopper and the side wall of the U-shaped shell, and a plurality of first water guide blocks and second water guide blocks are provided on the top of the inner wall of the U-shaped shell, and the first water guide blocks and the second water guide blocks have the same structure and are laid on the top of the inner wall of the U-shaped shell with a spacing of two.
[0006] Preferably, a gasket is provided at the connection between the thermal insulation block and the bent portion, and an empty groove is formed between the top of the thermal insulation block and the U-shaped shell.
[0007] Preferably, rubber sleeves are inserted into the left and right sides of the bottom of the U-shaped shell.
[0008] Preferably, supports are provided on both sides of the top of the heat insulation board, and a handle is rotatably provided between the two supports.
[0009] Preferably, a drainage hole is provided on one side of the exterior of the U-shaped shell, and a sealing plug is inserted into the drainage hole.
[0010] Preferably, a water diversion slope is provided on the top of the first water guide block, and the water diversion slope is inclined downward toward the side of the U-shaped shell. The bottom end of the water diversion slope extends to the top of the water collecting cavity and forms a water collecting protrusion.
[0011] The U-shaped shell has a plurality of heat-insulating materials, and the heat-insulating materials are placed in the airtight container, so that the heat is effectively prevented from flowing out of the container. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a three-dimensional structural diagram of the utility model;
[0013] Figure 2 It is a schematic diagram of an inverted three-dimensional structure of the utility model;
[0014] Figure 3 It is a schematic cross-sectional structural diagram of the present utility model.
[0015] In the figure: 1. U-shaped shell; 11. Rubber sleeve; 12. Baffle; 121. Bending part; 13. Gasket; 14. Heat insulation block; 141. Feeding hole; 15. Empty groove; 16. Drain hole; 161. Plug; 2. Heat insulation board; 21. Support; 22. Handle; 31. First water guide block; 311. Water diversion slope; 312. Water collecting protrusion; 32. Second water guide block; 33. Water collecting bucket; 34. Water collecting cavity. DETAILED DESCRIPTION
[0016] The technical solution of the present invention will be further specifically described below with reference to embodiments and in conjunction with the accompanying drawings.
[0017] Embodiment: A carbon fiber precursor steam drawing and heat preservation device, such as Figure 1-Figure 3As shown, it includes a U-shaped shell 1, and baffles 12 are provided at the front and rear ends of the U-shaped shell 1. A bending portion 121 is formed at the bottom of the side where the baffles 12 on both sides face each other. The bending portion 121 is folded toward the inside of the U-shaped shell 1, and an insulation block 14 is provided at the bottom of the bending portion 121. The bending portion 121 and the insulation block 14 are connected by bolts. The left and right sides of the bottom of the insulation block 14 are provided with material placement holes 141, and the top of the U-shaped shell 1 is provided with an insulation board 2. Water collecting buckets 33 are provided on the left and right sides of the inner wall of the U-shaped shell 1. The two sides of the water collecting bucket 33 extend to the top of the bending portion 121, and a water collecting chamber 34 is formed between the water collecting bucket 33 and the side wall of the U-shaped shell 1. A plurality of first water guide blocks 31 and second water guide blocks 32 are provided at the top of the inner wall of the U-shaped shell 1. The first water guide blocks 31 and the second water guide blocks 32 have the same structure and are laid on the top of the inner wall of the U-shaped shell 1 with a spacing of two.
[0018] A gasket 13 is provided at the connection between the insulation block 14 and the bent portion 121, and an empty groove 15 is formed between the top of the insulation block 14 and the U-shaped shell 1. Rubber sleeves 11 are inserted on both the left and right sides of the bottom of the U-shaped shell 1; the gasket 13 is provided for better sealing between the insulation block 14 and the bent portion 121 to prevent heat dissipation. The rubber sleeve 11 provided at the bottom of the U-shaped shell 1 can reduce the heat conduction of the metal of the U-shaped shell 1 when it contacts the ground, thereby achieving a better thermal insulation effect.
[0019] Supports 21 are provided on both sides of the top of the insulation board 2, and a handle 22 is rotatably provided between the two supports 21. A drainage hole 16 is provided on one side of the outside of the U-shaped shell 1, and a plug 161 is inserted into the drainage hole 16; the design of the handle 22 facilitates the subsequent taking and removing of the entire device. At the same time, the drainage hole 16 is connected to the inner wall water collection cavity 34, and when too much liquid is collected inside, the liquid can be drained quickly.
[0020] A water diversion slope 311 is provided on the top of the first water guide block 31. The water diversion slope 311 is inclined downward toward the side of the U-shaped shell 1. The bottom end of the water diversion slope 311 extends to the top of the water collecting chamber 34 and forms a water collecting protrusion 312. The first water guide block 31 and the second water guide block 32 arranged opposite to each other are arranged in a front-to-back interval and are provided in multiple groups, so that the water vapor in the hot air accumulated on the top can be quickly condensed. With the help of the bottom water diversion slope 311, it can be guided to the water collecting protrusion 312 on both sides, and finally well stored in the water collecting chamber 34 for collection.
[0021] Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above embodiments and is susceptible to numerous variations. Any simple modifications, equivalent variations, and modifications to the above embodiments based on the technical essence of the present invention shall be deemed to fall within the scope of protection of the present invention.
Claims
1. A carbon fiber precursor steam drawing and heat preservation device, comprising a U-shaped housing (1), characterized in that: Baffles (12) are provided at both ends of the U-shaped shell (1), and a bending portion (121) is formed at the bottom of the side where the baffles (12) face each other. The bending portion (121) is folded toward the inside of the U-shaped shell (1). A heat insulation block (14) is provided at the bottom of the bending portion (121). The bending portion (121) and the heat insulation block (14) are connected by bolts. Material placement holes (141) are provided on both sides of the bottom of the heat insulation block (14). A heat insulation board ( 2), a water collecting bucket (33) is provided on both sides of the inner wall of the U-shaped shell (1), both sides of the water collecting bucket (33) extend to the top of the bent portion (121), and a water collecting cavity (34) is formed between the water collecting bucket (33) and the side wall of the U-shaped shell (1), and a plurality of first water guide blocks (31) and second water guide blocks (32) are provided on the top of the inner wall of the U-shaped shell (1), the first water guide blocks (31) and the second water guide blocks (32) having the same structure, and being laid on the top of the inner wall of the U-shaped shell (1) in pairs at a distance from each other.
2. The carbon fiber precursor steam drawing and heat preservation device according to claim 1, characterized in that: A gasket (13) is provided at the connection between the heat insulation block (14) and the bent portion (121), and an empty groove (15) is formed between the top of the heat insulation block (14) and the U-shaped shell (1).
3. The carbon fiber precursor steam drawing and heat preservation device according to claim 1, characterized in that: Rubber sleeves (11) are inserted into the left and right sides of the bottom of the U-shaped housing (1).
4. The carbon fiber precursor steam drawing and heat preservation device according to claim 1, characterized in that: Supports (21) are provided on both sides of the top of the heat insulation board (2), and a handle (22) is rotatably provided between the two supports (21).
5. The carbon fiber precursor steam drawing and heat preservation device according to claim 1, characterized in that: A drainage hole (16) is provided on one side of the exterior of the U-shaped shell (1), and a sealing plug (161) is inserted into the drainage hole (16).
6. The carbon fiber precursor steam drawing and heat preservation device according to claim 1, characterized in that: A water diversion slope (311) is provided on the top of the first water guide block (31), and the water diversion slope (311) is arranged to be inclined downward toward the side of the U-shaped shell (1), and the bottom end of the water diversion slope (311) extends to the top of the water collection chamber (34) and forms a water collection protrusion (312).