CN220990849U - Nanocellulose production machine based on waste cotton fabric - Google Patents
Nanocellulose production machine based on waste cotton fabric Download PDFInfo
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- CN220990849U CN220990849U CN202322564959.5U CN202322564959U CN220990849U CN 220990849 U CN220990849 U CN 220990849U CN 202322564959 U CN202322564959 U CN 202322564959U CN 220990849 U CN220990849 U CN 220990849U
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- China
- Prior art keywords
- water injection
- mixing chamber
- fixedly connected
- waste cotton
- injection mixing
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 49
- 239000002699 waste material Substances 0.000 title claims abstract description 41
- 229920001046 Nanocellulose Polymers 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000004744 fabric Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000006243 chemical reaction Methods 0.000 claims abstract description 46
- 238000002347 injection Methods 0.000 claims abstract description 44
- 239000007924 injection Substances 0.000 claims abstract description 44
- 238000002156 mixing Methods 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000007790 scraping Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 239000004753 textile Substances 0.000 abstract description 31
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 28
- 238000000034 method Methods 0.000 abstract description 16
- 239000000725 suspension Substances 0.000 abstract description 5
- 238000010790 dilution Methods 0.000 abstract description 4
- 239000012895 dilution Substances 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000005903 acid hydrolysis reaction Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- -1 and at present Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006070 nanosuspension Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The utility model discloses a nanocellulose production machine based on waste cotton fabrics, which comprises a base, wherein supporting plates are symmetrically arranged on the top surface of the base, a crusher, a reaction chamber, a water injection mixing chamber and a centrifugal machine are sequentially arranged between the two supporting plates from top to bottom, the crusher, the reaction chamber, the water injection mixing chamber and the centrifugal machine are respectively and fixedly connected with the supporting plates through connecting rods, and the crusher, the reaction chamber, the water injection mixing chamber and the centrifugal machine are respectively communicated through the connecting rods. According to the utility model, waste cotton textiles are crushed by entering a crusher, the crushed cotton textiles and sulfuric acid enter a reaction chamber together for reaction, water is injected into a water injection mixing chamber for dilution after the reaction, and finally the waste cotton textiles enter a centrifuge for separation; the whole process can realize the conversion from waste cotton textiles to nanocellulose suspension, and the utility model can convert the redundant experimental procedures into machines for production, thereby effectively improving the production efficiency of nanocellulose production.
Description
Technical Field
The utility model relates to the technical field of waste cotton fabric treatment, in particular to a nano cellulose production machine based on waste cotton fabric.
Background
The domestic waste textiles have the problems of huge quantity and low recycling utilization rate; cotton fibers and their blends are currently the mainstream products in the market, and due to the relatively short life cycle of cotton fiber products, waste cotton textiles are also the most dominant source of waste textiles, and at present, waste cotton textiles are recovered mainly by physical and chemical methods, including reforming them into nonwoven fabrics, directly processing specific fiber articles or for composite reinforcement, however, these methods are mostly used for textile degradation or as raw materials for energy production, including production of natural gas, biogas, ethanol, thermal energy, etc. by combustion or chemical reactions. However, although cotton fiber as natural fiber can be naturally degraded, natural degradation is a serious waste of resources; therefore, the development and improvement of the recycling technology of the waste cotton textiles have important social benefits and economic values.
The main component of cotton textiles is cellulose, so that the preparation of nanocellulose by using waste cotton textiles is an effective high-value utilization means, the sulfuric acid hydrolysis method is a relatively mature treatment means of the technology, the main process mainly comprises the steps of reacting sulfuric acid with cellulose raw materials under the condition of water bath heating, and then performing operations such as dilution, centrifugation, dialysis and freeze-drying to obtain solid nanocellulose, wherein the reaction and centrifugation are the most critical and complicated time-consuming parts of the whole production process, and a certain industrial scale exists in foreign preparation of nanocellulose, but the production of nanocellulose is mostly stopped in laboratory stages in China at present, so that the design of a waste cotton textile nanocellulose production machine not only can realize the high-value utilization of waste cotton textiles, but also has important significance for the industrialized development of nanocellulose.
Disclosure of utility model
The utility model aims to provide a nanocellulose production machine based on waste cotton fabrics, which aims to solve the problems in the prior art.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a nanocellulose production machine based on waste cotton fabrics, which comprises a base, wherein supporting plates are symmetrically arranged on the top surface of the base, a crusher, a reaction chamber, a water injection mixing chamber and a centrifugal machine are sequentially arranged between the two supporting plates from top to bottom, the crusher, the reaction chamber, the water injection mixing chamber and the centrifugal machine are respectively and fixedly connected with the supporting plates through connecting rods, and the crusher, the reaction chamber, the water injection mixing chamber and the centrifugal machine are respectively communicated through the connecting rods.
Preferably, electromagnetic valves are installed at two ends of each connecting pipe.
Preferably, the connecting pipe is a hose.
Preferably, the center of the top surface of the crusher is fixedly connected and communicated with a feed hopper.
Preferably, the bottom outside the reaction chamber is fixedly connected with a plurality of oscillators, the bottom inside the reaction chamber is fixedly connected with a heating plate, and the upper part of the outer wall of one side of the reaction chamber is fixedly connected and communicated with a liquid inlet pipe.
Preferably, the heating plate is obliquely arranged, and one end of the heating plate, which is lower than the heating plate, is arranged around the connecting pipe and fixedly connected with the connecting pipe.
Preferably, the inner wall of the water injection mixing chamber is abutted with a plurality of scraping plates, one end of each scraping plate, which is away from the water injection mixing chamber, is fixedly connected with a plurality of movable columns, each movable column is slidably connected with a fixed column, each fixed column is fixedly connected with a transmission rod, and two ends of each transmission rod are rotatably connected with the inner wall of the water injection mixing chamber opposite to each other; the water injection mixing chamber is characterized in that the outer wall of the water injection mixing chamber is fixedly connected and communicated with a water inlet pipe, and the water inlet pipe is arranged at the upper part of one side of the water injection mixing chamber.
Preferably, one end of the movable column extending into the fixed column is fixedly connected with a movable disc, one end of the movable disc, which is away from the movable column, is fixedly connected with one end of a spring, and one end of the spring is fixedly connected with the fixed column.
The utility model discloses the following technical effects:
The method can combine the main processes of preparing the nanocellulose by the sulfuric acid hydrolysis method, waste cotton textiles are crushed by a crusher, the crushed cotton textiles and sulfuric acid enter a reaction chamber together for reaction, water is injected into a water injection mixing chamber for dilution after the reaction, and finally the waste cotton textiles enter a centrifuge for separation; the whole process can realize the conversion from waste cotton textiles to nanocellulose suspension, and the utility model can convert the redundant experimental procedures into machines for production, thereby effectively improving the production efficiency of nanocellulose production.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic diagram of a schematic cross-sectional structure of a reaction chamber according to the present utility model;
FIG. 3 is a schematic diagram of a cross-sectional side view of a water injection mixing chamber according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a fixing post according to the present utility model;
Wherein, 1, a feed hopper; 2. a crusher; 3. a connecting pipe; 4. a reaction chamber; 5. a heating plate; 6. a water injection mixing chamber; 7. a centrifuge; 8. an oscillator; 9. a water inlet pipe; 10. a base; 11. a support plate; 12. a connecting rod; 13. a transmission rod; 14. fixing the column; 15. a movable column; 16. a scraper; 17. a movable plate; 18. a spring; 19. a liquid inlet pipe.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-4, the utility model discloses a nanocellulose production machine based on waste cotton fabrics, which comprises a base 10, wherein supporting plates 11 are symmetrically arranged on the top surface of the base 10, a crusher 2, a reaction chamber 4, a water injection mixing chamber 6 and a centrifugal machine 7 are sequentially arranged between the two supporting plates 11 from top to bottom, the crusher 2, the reaction chamber 4, the water injection mixing chamber 6 and the centrifugal machine 7 are respectively fixedly connected with the supporting plates 11 through connecting rods 12, and the crusher 2, the reaction chamber 4, the water injection mixing chamber 6 and the centrifugal machine 7 are respectively communicated through connecting pipes 3.
The method can combine the main processes of preparing the nanocellulose by the sulfuric acid hydrolysis method, waste cotton textiles are crushed by the crusher 2, the crushed cotton textiles and sulfuric acid enter the reaction chamber 4 together for reaction, water is injected into the water injection mixing chamber 6 for dilution after the reaction, and finally the waste cotton textiles enter the centrifuge 7 for separation; the whole process can realize the conversion from waste cotton textiles to nanocellulose suspension, and the utility model can convert the redundant experimental procedures into machines for production, thereby effectively improving the production efficiency of nanocellulose production.
Further optimizing scheme, the solenoid valve is all installed at the both ends of every connecting pipe 3. The connecting pipe 3 is a hose. The time for entering the reaction chamber 4, the water injection mixing chamber 6 and the centrifugal machine 7 can be effectively controlled by arranging the electromagnetic valve. The connecting pipe 3 is arranged as a hose, so that the connecting pipe 3 can not be damaged in the vibration process of the reaction chamber 4.
Further optimizing scheme, the top surface center fixed connection of breaker 2 and intercommunication have feeder hopper 1. The waste cotton textiles can smoothly enter the crusher 2 through the feeding hopper 1 for crushing.
Further optimizing scheme, the bottom fixedly connected with a plurality of oscillators 8 outside the reaction chamber 4, the bottom fixedly connected with hot plate 5 in the reaction chamber 4, the upper portion fixedly connected with and the intercommunication of reaction chamber 4 one side outer wall have feed liquor pipe 19. When the crushed waste cotton textiles enter the reaction chamber 4, sulfuric acid is added into the reaction chamber 4 through the liquid inlet pipe 19, the reaction chamber 4 is driven to oscillate through the oscillator 8, and the sulfuric acid and the crushed waste cotton textiles can be subjected to full hydrolysis reaction through oscillation; and the temperature required for hydrolyzing the crushed waste cotton textiles with sulfuric acid is provided by the heating plate 5.
Further optimizing scheme, the hot plate 5 slope sets up, and the low one end of hot plate 5 sets up around connecting pipe 3 and with connecting pipe 3 fixed connection. Through the slope setting of hot plate 5, can make the old and useless cotton fabrics after the sulfuric acid hydrolysis enter into water injection mixing chamber 6 through connecting pipe 3.
According to a further optimization scheme, the inner wall of the water injection mixing chamber 6 is abutted with a plurality of scraping plates 16, one end of each scraping plate 16, which is away from the water injection mixing chamber 6, is fixedly connected with a plurality of movable columns 15, each movable column 15 is slidably connected with a fixed column 14, each fixed column 14 is fixedly connected with a transmission rod 13, and two ends of each transmission rod 13 are rotatably connected with the inner wall of the water injection mixing chamber 6 opposite to each other; the outer wall of the water injection mixing chamber 6 is fixedly connected and communicated with a water inlet pipe 9, and the water inlet pipe 9 is arranged at the upper part of one side of the water injection mixing chamber 6. One end of the transmission rod 13 extending out of the water injection mixing chamber 6 is in transmission connection with a motor, and the motor is fixedly connected with the outer wall of the water injection mixing chamber 6; the motor drives the transmission rod 13 to rotate, the transmission rod 13 drives the fixed column 14 to rotate, the fixed column 14 drives the movable column 15 to rotate, the movable column 15 drives the scraping plate 16 to rotate, meanwhile, water is injected into the water injection mixing chamber 6 through the water inlet pipe 9, and the stirring can be carried out through the rotation of the fixed column 14, the movable column 15 and the scraping plate 16, and the inner wall of the water injection mixing chamber 6 can be enabled not to generate residues, so that waste cotton textiles containing sulfuric acid can be fully stirred and diluted with the water.
Further optimizing scheme, in order to make scraper 16 can carry out inseparable laminating with the inner wall of water injection mixing chamber 6, the one end fixedly connected with movable disk 17 that movable column 15 stretched into fixed column 14, the one end fixedly connected with spring 18 of the one end fixedly connected with that movable disk 17 deviates from movable column 15, the one end and the fixed column 14 fixed connection of spring 18. The elastic force of the spring 18 enables the movable column 15 to extend out of one end of the fixed column 14 to continuously generate thrust to the scraping plate 16, so that the scraping plate 16 and the inner wall of the water injection mixing chamber 6 can be tightly attached, the inner wall of the water injection mixing chamber 6 can be cleaned through the scraping plate 16, and stirring efficiency can be improved.
The working process comprises the following steps: firstly, the cleaned waste cotton textiles enter a crusher 2 from a feed hopper 1, the waste cotton textiles are sheared by the crusher 2 and become fragments of 5mm multiplied by 5mm, then the crushed cotton textiles are quantitatively conveyed into a reaction chamber 4 through an electromagnetic valve at the position of the feed hopper 1, sulfuric acid is injected into the reaction chamber 4 through a liquid inlet pipe 19, meanwhile, a heating plate 5 and an oscillator 8 are started, the oscillator 8 drives the reaction chamber 4 to oscillate, the sulfuric acid and the cotton textiles are fully mixed, the heating plate 5 provides the required temperature during reaction, after the specified reaction time is reached, the reacted mixture is conveyed into a water injection mixing chamber 6, a proper amount of water is injected into the water injection mixing chamber 6 through a water inlet pipe 9, a motor is started, a transmission rod 13 is driven to rotate through the motor, a fixed column 14 is driven to rotate by the transmission rod 13, a movable column 15 is driven to rotate by the fixed column 14, a scraper 16 is driven to rotate, the reacted mixed liquid and the water are fully mixed, the reacted mixed liquid is diluted, the diluted liquid is conveyed into a centrifuge 7, the centrifuge is centrifuged, and the cellulose nanosuspension is obtained through the centrifuge 7; the above process is repeated to continuously obtain the nanocellulose suspension.
The utility model can realize the preparation from waste cotton fabrics to nanocellulose suspension, greatly improves the production efficiency compared with laboratory preparation, and is suitable for modern continuous operation.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (8)
1. A nanocellulose production machine based on waste cotton fabric is characterized in that: including base (10), the top surface symmetry of base (10) is provided with backup pad (11), two from the top down has set gradually breaker (2), reaction chamber (4), water injection mixing chamber (6), centrifuge (7) between backup pad (11), breaker (2) reaction chamber (4) water injection mixing chamber (6) centrifuge (7) respectively through connecting rod (12) with backup pad (11) fixed connection, breaker (2) reaction chamber (4) water injection mixing chamber (6) centrifuge (7) between be linked together through connecting pipe (3) respectively.
2. The machine for producing nanocellulose based on waste cotton fabric as claimed in claim 1 wherein: electromagnetic valves are arranged at two ends of each connecting pipe (3).
3. The machine for producing nanocellulose based on waste cotton fabric as claimed in claim 1 wherein: the connecting pipe (3) is a hose.
4. The machine for producing nanocellulose based on waste cotton fabric as claimed in claim 1 wherein: the top surface center of breaker (2) is fixed connection and is linked together there is feeder hopper (1).
5. The machine for producing nanocellulose based on waste cotton fabric as claimed in claim 1 wherein: the bottom outside the reaction chamber (4) is fixedly connected with a plurality of oscillators (8), the bottom in the reaction chamber (4) is fixedly connected with a heating plate (5), and the upper part of the outer wall of one side of the reaction chamber (4) is fixedly connected and communicated with a liquid inlet pipe (19).
6. The machine for producing nanocellulose based on waste cotton fabric as claimed in claim 5 wherein: the heating plate (5) is obliquely arranged, and one end of the heating plate (5) which is low is arranged around the connecting pipe (3) and fixedly connected with the connecting pipe (3).
7. The machine for producing nanocellulose based on waste cotton fabric as claimed in claim 1 wherein: the inner wall of the water injection mixing chamber (6) is abutted with a plurality of scraping plates (16), one end of each scraping plate (16) deviating from the water injection mixing chamber (6) is fixedly connected with a plurality of movable columns (15), each movable column (15) is slidably connected with a fixed column (14), each fixed column (14) is fixedly connected with a transmission rod (13), and two ends of each transmission rod (13) are rotatably connected with the inner wall of the corresponding water injection mixing chamber (6); the water injection mixing chamber (6) is fixedly connected with and communicated with a water inlet pipe (9), and the water inlet pipe (9) is arranged at the upper part of one side of the water injection mixing chamber (6).
8. The machine for producing nanocellulose based on waste cotton fabric as claimed in claim 7 wherein: one end of the movable column (15) stretches into the fixed column (14) and is fixedly connected with a movable disc (17), one end of the movable disc (17) deviating from the movable column (15) is fixedly connected with one end of a spring (18), and one end of the spring (18) is fixedly connected with the fixed column (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322564959.5U CN220990849U (en) | 2023-09-21 | 2023-09-21 | Nanocellulose production machine based on waste cotton fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322564959.5U CN220990849U (en) | 2023-09-21 | 2023-09-21 | Nanocellulose production machine based on waste cotton fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220990849U true CN220990849U (en) | 2024-05-24 |
Family
ID=91125670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322564959.5U Active CN220990849U (en) | 2023-09-21 | 2023-09-21 | Nanocellulose production machine based on waste cotton fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220990849U (en) |
-
2023
- 2023-09-21 CN CN202322564959.5U patent/CN220990849U/en active Active
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