CN220812921U - Gel felt production system - Google Patents

Abstract

The application discloses a gel felt production system, which comprises a raw material conveying device, wherein the conveying device comprises a plurality of first rotating rollers which are rotatably arranged, the plurality of first rotating rollers are sequentially arranged at intervals along the conveying direction of the conveying device, and gaps are reserved between at least part of adjacent first rotating rollers; the input end of the conveying device is used for conveying the wet felt, and the output end of the conveying device is used for outputting the gel felt. The gel felt production system provided by the application has low energy consumption, solves the problem that gel is formed by gelation of the sol accommodated on the conveyor belt to influence subsequent production, and improves quality stability.

Description

Gel felt production system

Technical Field

The application relates to the technical field of gel felt continuous production, in particular to a gel felt production system.

Background

Aerogels are manufactured by preparing hydrogels from silica precursors such as water glass and alkoxysilanes (TEOS, TMOS, MTMS, etc.), and removing the liquid components within the hydrogels without destroying the microstructure. Because aerogel is fragile, it is difficult to apply in industrial production. Aerogel is then compounded with fiber to make a composite for commercial use. The aerogel felt is prepared by dipping sol on a fiber felt substrate, gelling the sol and drying, and aerogel powder or particles are attached on the fiber felt substrate.

Disclosure of utility model

The application provides a gel felt production system which aims to solve the technical problem that gel formed on a conveyor belt by sol affects subsequent production.

In order to solve the technical problems, the application provides a gel felt production system, which comprises a conveying device, wherein the conveying device comprises a plurality of first rotating rollers which are rotatably arranged, the plurality of first rotating rollers are sequentially and alternately arranged along the conveying direction of the conveying device, and gaps are reserved between at least part of adjacent first rotating rollers; the input end of the conveying device is used for conveying the wet felt, and the output end of the conveying device is used for outputting the gel felt.

Wherein, along the transmission direction, the distance of the gap is 10mm-500mm.

The conveying device further comprises a conveying belt, at least part of the first rotating rollers are close to the input end, and the conveying belt is arranged on one side, away from the at least part of the first rotating rollers, of the conveying direction.

Wherein the gel felt production system further comprises a sol loading device for providing sol to the fiber felt so as to convert the fiber felt into a wet felt.

The sol loading device comprises a reaction container and a compression roller, wherein the reaction container is arranged on one side of the conveying device, which is close to the input end, and is used for accommodating sol so that the fiber felt and the sol are combined to form a wet felt; the compression roller is rotatably arranged in the reaction container and is used for pressing down the fiber mat and combining the fiber mat with the sol.

Wherein, the reaction vessel is close to the conveyor one end and has the difference in height between the conveyor, rotates between conveyor and the reaction vessel and sets up a plurality of second roller.

The gel felt production system also comprises a spraying device and a recovery tank, wherein the spraying device is used for spraying sol onto the fiber felt, and the sol is combined with the fiber felt to form a wet felt; the recovery tank is used for recovering the sol.

The gel felt production system further comprises a raw material supply device, wherein the raw material supply device is arranged on one side, close to the input end, of the conveying device, and is used for supplying the fiber felt and converting the fiber felt into a wet felt to be conveyed to the conveying device.

The gel felt production system further comprises a winding device, and the winding device is used for collecting the gel felt.

The application also comprises a second technical scheme, and the gel felt production system further comprises a cutting device which is used for cutting the gel felt to form gel felt blocks.

The application also comprises a third technical scheme, and the gel felt production system also comprises a catalytic gelation system, wherein the catalytic gelation system is used for catalyzing wet felts conveyed by a conveying device to form gel felts.

The application also comprises a fourth technical scheme, and the gel felt production system also comprises a protective cover which covers the conveying device.

The present application also includes a fifth technical aspect, and the gel felt production system further includes a reagent supply device for supplying the sol and the gel catalyst.

The beneficial effects of the application are as follows: compared with the prior art, the application provides a gel felt production system, which comprises a conveying device, wherein a plurality of first rotating rollers are arranged at intervals to convey wet felts and gel felts, so that friction force born by the wet felts and the gel felts in the conveying process can be effectively reduced, scraping on felts is reduced, surface flatness of the gel felts and the aerogel felts after the gel felts are dried is improved, bending resistance of fiber felts in the wet felts and the gel felts is improved, and flexibility of the gel felts and the aerogel felts after the gel felts are dried is improved. The gel felt production system of the application uses the conveying device composed of a plurality of first rotating rollers to convey wet felts and gel felts, and the energy consumption required by conveying is lower. At least part of the gaps between the adjacent rotating rollers can enable surplus sol on the wet felt to flow away from the gaps between the adjacent two first rotating rollers, the condition that gel is formed by gelation of the excessive sol on a conveying device to influence the surface morphology of the gel felt is reduced, and the quality stability is improved.

Drawings

For a clearer description of the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic overall construction of an embodiment of a gel-felt production system of the present application;

FIG. 2 is a first partial schematic view of an embodiment of the gel-felt production system of the present application;

FIG. 3 is a second partial schematic view of an embodiment of the gel-felt production system of the present application;

FIG. 4 is a first partial schematic view of another embodiment of the gel-felt production system of the present application;

FIG. 5 is a second partial schematic view of another embodiment of the gel-felt production system of the present application;

Fig. 6 is a schematic perspective view of an embodiment of the docking station of the present application.

Reference numerals: 10. a gel felt production system; 11. a raw material supply device; 111. providing a roller; 12. a reaction vessel; 121. a press roller; 13. a conveying device; 131. a first rotating roller; 132. a second roller; 14. a winding device; 141. a wind-up roll; 15. a display platform; 151. a flattening bar; 152. a flange; 153. a platform frame; 16. a protective cover; 17. a traction device; 18. a recovery tank; 19. and a spraying device.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the production system of the gel composite coiled material in the related art, a fiber felt is placed on a conveyor belt, catalytic sol is poured by taking the conveyor belt as a substrate, sol gel is ensured on the conveyor belt, and the fiber felt compounded with the gel is wound at the other end of the conveyor belt, so that the gel felt is prepared. When the fiber felt is conveyed on the conveyor belt, the redundant sol after forming the gel felt may gel to form gel blocks, and when the other end of the conveyor belt is rolled, the gel felt and the gel blocks are rolled together, so that the surface roughness of the gel felt is easily caused, and the quality of the gel felt is affected.

The following describes in detail a gel felt production system provided by the present utility model in connection with the examples.

Referring to fig. 1 and 2, fig. 1 is a schematic diagram showing the overall structure of an embodiment of a gel felt production system according to the present application; fig. 2 is a first partial schematic view of an embodiment of the gel-felt production system of the present application. The application provides a gel felt production system 10, which comprises a conveying device 13, wherein the conveying device 13 comprises a plurality of first rotating rollers 131 which are rotatably arranged, the plurality of first rotating rollers 131 are sequentially arranged at intervals along the conveying direction of the conveying device 13, and gaps are reserved between at least part of adjacent first rotating rollers 131; the input end of the conveying device 13 is used for conveying the wet felt, and the output end of the conveying device 13 is used for outputting the gel felt.

Specifically, in the embodiment of the present application, the axial directions of the plurality of first rotating rollers 131 are parallel or approximately parallel to each other. The wet felt is conveyed through the first rotating rollers 131, so that the friction force of the wet felt in the conveying process is reduced, scraping on the felt body is effectively reduced, and the surface flatness of the gel felt and the aerogel felt after the gel felt is dried is improved. Gaps are arranged among the first rotating rollers 131, after the wet felt and the gel felt pass through the gaps, the bending resistance of the fiber felts in the wet felt and the gel felt can be increased, and the flexibility of the gel felt and the aerogel after the gel felt is dried can be improved. At least part of the gaps between the adjacent rotating rollers can enable the surplus sol on the wet felt to flow away from the gaps between the adjacent two first rotating rollers 131, so that the condition that the surface morphology of the gel felt is influenced by the gel formed by the gelation of the excess sol on the conveying device 13 is reduced, and the quality stability is improved.

In the embodiment of the present application, referring to fig. 3, fig. 3 is a second partial schematic view of an embodiment of the gel-felt production system of the present application, and a distance between two adjacent first rotating rollers 131 is set to be 10mm-500mm. In an embodiment of the present application, the distance is set to 10mm-200mm, so that the conveying efficiency of the first rotating roller 131 can be improved; in another embodiment of the present application, the interval may also be set between 200mm and 500mm, so that the number of the first rotating rollers 131 is reduced, and the line construction cost of the gel felt production system 10 is reduced. When the first rotating rollers 131 are used for conveying wet felts, sol on the wet felts can flow out through gaps between two adjacent first rotating rollers 131, and the condition that the sol is gelled to form gel in the conveying process so as to influence the surface morphology of the gel felts is improved. In other embodiments, the spacing may be set to greater than 500mm without affecting the transport of the wet and gel felts. Too small a spacing increases the line construction costs. The length of the first rotating roller 131 may be designed according to the width of the produced gel felt so that the conveying process is smoothly operated.

In the embodiment of the present application, the conveying device 13 further includes a conveyor belt (not shown), at least a portion of the first rotating roller 131 is near the input end, and the conveyor belt is disposed on a side of the conveying direction away from at least a portion of the first rotating roller 131. Specifically, in some embodiments, the conveyor belt is disposed on the side near the input end, and the rest of the conveying device 13 is composed of the first rotating roller 131; in other embodiments, the output end portion of the conveyor 13 may also be provided as a conveyor belt.

In an embodiment of the application, the gel felt production system further comprises a sol loading device for providing sol to the fiber felt so as to convert the fiber felt into a wet felt. Specifically, in an embodiment of the present application, the sol loading device is disposed at a side close to the input end of the conveying device 13, and the fiber mat forms a wet mat under the action of the loaded sol of the sol loading device, and then enters the conveying device 13 for conveying, so that the time for converting the fiber mat into a gel mat in the production process is reduced, and the production efficiency of the gel mat production system is improved.

In the embodiment of the present application, referring to fig. 1 and 2, the sol loading device includes a reaction container 12 and a pressing roller 121, the reaction container 12 is disposed on one side of the conveying device 13 near the input end, and the reaction container 12 is used for accommodating the sol, so that the fiber felt and the sol are combined to form a wet felt; a pressing roller 121 is rotatably provided in the reaction vessel 12 for pressing down the fiber mat and combining the fiber mat with the sol. Specifically, in one embodiment of the present application, the reaction vessel 12 is disposed on a side of the conveying device 13 near the input end, so that the fiber mat is combined with the sol in the reaction vessel 12 to form a wet mat, and then the wet mat enters the conveying device 13 for conveying, so that the time for converting the fiber mat into the gel mat in the conveying process of the gel mat production system is reduced, and the production efficiency is improved. In one embodiment of the present application, a press roll 121 is provided within the reaction vessel 12 for pressing down the fiber mat and combining the fiber mat with the sol. After entering the reaction vessel 12, the fiber mat passes under the press roller 121, the press roller 121 flattens the convex part of the fiber mat, so that the surface flatness of the fiber mat is improved, and meanwhile, the fiber mat can be fully impregnated and combined with sol to form a wet mat.

In an embodiment of the present application, a height difference exists between one end of the reaction vessel 12, which is close to the conveying device 13, and a plurality of second rotating rollers 132 are rotatably disposed between the conveying device 13 and the reaction vessel 12. The reaction vessel 12 and the conveying means 13 have a height difference perpendicular to the conveying direction, and the reaction vessel 12 and the conveying means 13 are connected by a plurality of second rotating rollers 132.

Specifically, the reaction vessel 12 is located at a low position, the conveying device 13 is located at a high position, a plurality of second rotating rollers 132 form an inclined plane for conveying wet felt, and the second rotating rollers 132 are passively rotated rotating rollers. The front end of the wet felt is pulled to the input end of the conveying device 13 from the reaction container 12, and then pulled to the output end of the conveying device 13 from the input end of the conveying device 13, the excessive sol on the wet felt is separated from the wet felt under the action of gravity by utilizing the height difference, the sol flows away through the gap between the two adjacent second rotating rollers 132, and the excessive sol is reduced to gel on the wet felt to form gel, so that the gel felt is formed by the gel in the process of influencing the wet felt transmission, the surface flatness of the gel felt is improved, and the quality stability of the gel felt production system 10 is improved.

In another embodiment, the reaction vessel 12 may be disposed at a high position, the conveying device 13 at a low position, and a plurality of second rotating rollers 132 which are passively rotated. In other embodiments, the second roller 132 may also be a positively rotating roller to improve the smoothness of the wet felt passing over the height differential.

In the embodiment of the present application, referring to fig. 2 and 4, fig. 4 is a first partial schematic view of another embodiment of the gel felt production system of the present application. The gel felt production system 10 further includes a spray device 19 and a recovery tank 18. Specifically, in one embodiment of the present application, the spraying device 19 is disposed near the input end of the conveying device, and the recovery tank 18 is disposed below the corresponding spraying device 19. In another embodiment, the recovery tank 18 is disposed below the reaction vessel 12. When the fiber mat passes through the reaction vessel 12, the spraying device 19 sprays the sol contained in the reaction vessel 12 on the fiber mat, the fiber mat and the sol are combined to form a wet mat, and when the wet mat passes through the height difference between the reaction vessel 12 and the conveying device 13, the redundant sol flows out into the recovery groove 18 through the gap between the two adjacent second rotating rollers 132.

In an embodiment of the present application, referring to fig. 1, the gel felt production system 10 further includes a raw material providing device 11, where the raw material providing device 11 is disposed on a side of the conveying device 13 near the input end, and the raw material providing device 11 is used for providing a fiber felt and converting the fiber felt into a wet felt to be conveyed to the conveying device 13. Specifically, in one embodiment of the present application, the raw material supply device 11 is provided with at least two supply rollers 111 for alternately unreeling. Wherein the two supply rolls 111 are different in size, and the two supply rolls 111 wind the fiber mat into at least two roll forms, respectively. When the fiber mat on one roll of the providing roller 111 is unreeled to the end of the fiber mat at the time of production, the fiber mat on the other roll of the providing roller 111 is used to start unreeling the providing fiber mat, thereby realizing the provision of a continuous fiber mat. In another embodiment, the raw material providing device 11 directly provides the fibrous mat, so that the gel mat production system 10 has a simple structure, reduces the production cost, and can effectively reduce wrinkles and indentations generated on the fibrous mat by unreeling and reeling the fibrous mat.

In an embodiment of the present application, the gel felt production system further includes a winding device 14, where the winding device 14 is used for collecting the gel felt. Specifically, in an embodiment of the present application, the winding device 14 is disposed at one side of the output end of the conveying device 13, and the winding device 14 includes a winding roller 141 for winding the gel felt conveyed out from the output end of the conveying device 13, and meanwhile, the first winding roller 131 of the conveying device 13 may also be provided with traction force, so as to reduce energy consumption required for conveying, so that the gel felt production system 10 is energy-saving and production cost is reduced. In another embodiment of the present application, the winding device 14 may also directly collect the gel felt.

In another embodiment of the present application, referring to fig. 5, fig. 5 is a second partial schematic view of another embodiment of the gel felt production system of the present application. The gel felt production system 10 includes a cutting device (not shown), and the specific structure of the cutting device is the prior art, and the present application will not be repeated. The cutting device is used for cutting the gel felt into gel felt blocks so as to be directly collected. Specifically, the cutting device cuts the gel felt to form gel felt blocks, so that the gel felt is easier to dry, and the aerogel felt is obtained.

In an embodiment of the present application, referring to fig. 2, the gel felt production system 10 is provided with a traction device 17, a plurality of first rollers 131 are passively rotated rollers, the front end of the wet felt is firstly drawn to the winding device 14 by the traction device 17, and then the wet felt is wound by the winding device 14 to provide traction force, so that the conveying device 13 operates, and meanwhile, the energy consumption required by the conveying device 13 is reduced, so that the gel felt production system 10 is energy-saving and environment-friendly. In other embodiments of the application, the first roller 131 may also be configured as an actively rotating roller, thereby improving the ease of transport of the wet mat over the conveyor 13. The conveying device 13 of the embodiment of the application uses the plurality of first rotating rollers 131, so that the energy consumption required by conveying can be effectively reduced, and the gel felt production system 10 can save energy and protect environment while improving the quality stability.

In another embodiment of the present application, the gel-mat production system 10 further includes a catalytic gelation system (not shown), which is a heating system or an acoustic wave or radiation system of the prior art, disposed above the conveyor 13, for applying heat or acoustic waves to the wet mat positioned on the conveyor 13 to catalyze the gelation of the sol on the wet mat. The gel time and the aerogel performance after gel drying can be controlled. Preferably, the catalytic gelling system is arranged as a hydrothermal heating system below the conveyor 13, heating the wet mat on the conveyor 13 to between 20-60 ℃ for the purpose of accelerating the gelling of the sol on the wet mat. In another embodiment of the application, the catalytic gelling system may also be arranged below the conveyor 13.

In another embodiment of the present application, the gel-blanket production system 10 further includes a protective cover 16, where the protective cover 16 is wrapped around the conveying device 13, so as to reduce solvent evaporation during the conveying process of the wet-blanket and the gel-blanket on the conveying device 13, and affect the performance of the aerogel after the gel is dried.

In another embodiment of the present application, the gel felt production system 10 further includes a reagent supply device (not shown) for supplying the sol and gel catalyst. In the production process, the reagent supply device can supply sol to the reaction container 12 so as to combine the fiber felt and the sol to form a wet felt, and can also supply gel catalyst to the reaction container 12 so as to enable the wet felt to gel to form a gel felt in the conveying process, thereby reducing the time required by the gelation of the wet felt to form the gel felt, improving the production efficiency and reducing the production cost.

In another embodiment of the present application, the reagent supplying apparatus further comprises a mixing container (not shown) connected to the reagent supplying apparatus for carrying and mixing the sol and gel catalysts. The formation of the gel felt can be catalyzed by mixing the sol and gel catalyst in advance and spraying onto the fiber felt.

Specifically, in some embodiments, the gel-mat production system includes any of the components described above, the cutting device, the catalytic gelling system, the hood 16, and the reagent supply device, in other embodiments, the gel-mat production system includes at least some of the components therein, and in other embodiments, the gel-mat production system includes all of the components therein.

Referring to fig. 6, fig. 6 is a schematic perspective view of an embodiment of a docking station according to the present application. In the embodiment of the application, a spreading platform 15 is further arranged between the raw material supply device 11 and the reaction container 12, and the spreading platform 15 is used for spreading the fiber mat. The dock 15 includes a dock frame, dock bars 151, and ribs 152. Specifically, the platform frame is used for supporting the flattening platform 15, and when the fiber mat passes through the flattening platform 15, the flattening rod 151 is used for flattening the passing fiber mat, so that the fiber mat is prevented from being stacked and wrinkled, and the surface smoothness of the gel mat formed by gelation of the fiber mat is improved.

The terms "first", "second", "third" in the present application are used for descriptive purposes only and are not to be construed as indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", and "a third" may explicitly or implicitly include at least one such feature. All directional indications (such as up, down, left, right, front, back … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture (as shown in the drawings), and if the particular gesture changes, the directional indication changes accordingly. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. A process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed but may alternatively include other steps or elements not listed or inherent to such process, method, article, or apparatus.

The foregoing description is only illustrative of the present application and is not intended to limit the scope of the application, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present application.

Claims (10)

1. A gel felt production system, comprising:

The conveying device (13), the conveying device (13) comprises a plurality of first rotating rollers (131) which are rotatably arranged, the plurality of first rotating rollers (131) are sequentially arranged at intervals along the conveying direction of the conveying device (13), and gaps are formed between at least part of adjacent first rotating rollers (131); the input end of the conveying device (13) is used for conveying the wet felt, and the output end of the conveying device (13) is used for outputting the gel felt.

2. The gel-mat production system of claim 1, wherein the gap is a distance of 10mm-500mm in the transport direction.

3. The gel-mat production system according to claim 1, characterized in that the conveying device (13) further comprises:

And the conveyor belt is arranged at one side of the conveying direction, which is away from the at least part of the first rotating roller (131), and at least part of the first rotating roller (131) is close to the input end.

4. The gel-felt production system according to claim 1, further comprising:

Sol loading means for providing sol to the fibrous mat such that the fibrous mat is converted to a wet mat.

5. The gel-mat production system of claim 4, wherein said sol loading means comprises:

A reaction vessel (12), wherein the reaction vessel (12) is arranged at one side of the conveying device (13) close to the input end, and the reaction vessel (12) is used for accommodating sol so that the fiber felt and the sol are combined to form a wet felt;

And the press roller (121) is rotatably arranged in the reaction container (12) and is used for pressing down the fiber mat and combining the fiber mat with the sol.

6. The gel felt production system according to claim 5, wherein a height difference exists between one end of the reaction container (12) close to the conveying device (13) and the conveying device (13), and a plurality of second rotating rollers (132) are rotatably arranged between the conveying device (13) and the reaction container (12).

7. The gel-felt production system according to claim 4, further comprising:

-a spraying device (19), the spraying device (19) being adapted to spray a sol onto the fibre mat, the sol being combined with the fibre mat to form the wet mat;

and a recovery tank (18) for recovering the sol.

8. The gel-felt production system according to claim 1, further comprising:

The raw material supply device (11), raw material supply device (11) set up in conveyor (13) be close to input one side, raw material supply device (11) are used for providing the fibrofelt, and make the fibrofelt change wet felt into conveyor (13).

9. The gel-felt production system according to claim 1, further comprising:

the winding device (14) is used for collecting the gel felt; or alternatively, the first and second heat exchangers may be,

And the cutting device is used for cutting the gel felt to form gel felt blocks.

10. The gel-mat production system of claim 1, further comprising:

A catalytic gelling system for catalyzing the wet mat conveyed by the conveying device (13) to form the gel mat; or/and the combination of the two,

-A protective cover (16), said protective cover (16) covering said conveying means (13); or/and the combination of the two,

And a reagent supply device for supplying the sol and gel catalyst.