CN217437769U - Preparation facilities of lignin base porous carbon - Google Patents
Preparation facilities of lignin base porous carbon Download PDFInfo
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- CN217437769U CN217437769U CN202221418777.6U CN202221418777U CN217437769U CN 217437769 U CN217437769 U CN 217437769U CN 202221418777 U CN202221418777 U CN 202221418777U CN 217437769 U CN217437769 U CN 217437769U
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Abstract
The utility model discloses a preparation facilities of lignin base porous carbon belongs to porous carbon preparation field. The utility model discloses a copolymer is prepared some equipment and is calcined partial equipment, including agitator, washing unit, vacuum drying furnace, tubular furnace and blast air drying cabinet, prepare into the copolymer and carry out the drying with the raw materials at first in copolymer is prepared some equipment, then adopt two steps to calcine the method, carry out twice through calcining some equipment and calcine and prepare porous carbon material, the utility model discloses the flow of preparation porous carbon is brief to its easy operation, operating personnel only need carry out the batch of equipment and can accomplish the preparation, are applicable to large batch industrial production.
Description
Technical Field
The utility model belongs to porous carbon preparation field, specifically speaking relates to a lignin base porous carbon preparation facilities.
Background
The porous carbon material is prepared by high-temperature pyrolysis and carbonization of carbon-containing substances, has the characteristics of high temperature resistance, acid and alkali resistance and chemical solvent resistance, and also has higher mechanical strength. Porous carbon materials are therefore an important component of the carbon material art.
The lignin is used as a natural polymer material, has the carbon content of 50 percent, and has the renewable characteristic, so that the lignin becomes a high-quality raw material for producing carbon materials.
While the conventional production method of the porous carbon material comprises chemical and physical activation, catalytic activation of a carbon precursor, carbonization of polymer co-mixing, pyrolysis of organic aerogel and the like, most of the production methods do not have suitable equipment for production in industrial production, and continuous production of the porous carbon material is complicated.
There is therefore a need for a new design suitable for porous carbon production.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that prior art exists, adopt two steps calcination method to produce to the preparation of lignin base porous carbon, two steps calcination method easy operation and production are in large quantities, the utility model aims to provide a lignin base porous carbon preparation facilities.
In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:
a lignin-based porous carbon preparation device comprises a stirrer, a washing device, a reaction kettle, a tubular furnace, a vacuum drying device and a drying box, wherein the stirrer comprises a first stirrer, a second stirrer and a third stirrer, the washing device comprises a first washing device and a second washing device, the tubular furnace comprises a first tubular furnace and a second tubular furnace, the vacuum drying device comprises a first vacuum drying furnace and a second vacuum drying furnace, the first stirrer and the second stirrer are respectively connected to a third stirrer, the third stirrer is connected to the first washing device, the first washing device is connected to the first vacuum drying furnace, the first vacuum drying furnace is connected to the first tubular furnace, the first tubular furnace is connected to the reaction kettle, the reaction kettle is connected to the second vacuum drying furnace, the second vacuum drying furnace is connected to the second tubular furnace, the second tube furnace is connected to a second washing device, and the second washing device is connected to the drying box.
The first washing device comprises an ethanol washing device and a deionized water washing device which are sequentially connected, and the output ends of the two washing devices are provided with filtering devices.
The second washing device comprises a hydrochloric acid washing device and a deionized water washing device which are sequentially connected, and the output ends of the two washing devices are provided with filtering devices.
And the first stirrer, the second stirrer and the third stirrer are all provided with temperature adjusting devices.
The second stirrer and the third stirrer are both magnetic stirrers.
The first stirrer is a high-speed dispersion machine.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses can be comparatively simple and convenient carry out preliminary raw materials's preparation to lignin production porous carbon to operating personnel can be very convenient prepare and throw the material to the result, can directly adopt two steps to calcine the method and calcine lignin polymer for the porous carbon after getting the completion, the utility model is simple in operation to be applicable to large batch industrial production porous carbon.
Drawings
FIG. 1 is a schematic view of the present invention;
in the figure: 1. a first stirrer; 2. a second agitator; 3. a third stirrer; 4. a first washing device; 5. an ethanol washing device; 6. a deionized water washing device; 7. a first vacuum drying furnace; 8. a first tube furnace; 9. a reaction kettle; 10. a second vacuum drying furnace; 11. a second tube furnace; 12. a second washing device; 13. a hydrochloric acid washing device; 14. an air-blast drying oven.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
Example 1
The utility model provides a lignin base porous carbon preparation facilities, its production method who uses are two steps calcination methods, at first prepare lignin-polyaniline material with lignin through the reaction, carry out twice tubular furnace's calcination and then acquire the porous carbon again, and this method belongs to one of them method that polymer blending closes the carbonization method.
As shown in figure 1, the utility model mainly comprises a copolymer preparation device part and a calcination device part, wherein the copolymer preparation device part comprises a first stirrer 1, a second stirrer 2, a third stirrer 3, a first washing device 4 and a first vacuum drying furnace, and the first washing device 4 comprises an ethanol washing device 5 and a deionized water washing device 6. The calcining equipment part comprises a first tubular furnace 8, a reaction kettle 9, a second vacuum drying furnace 10, a second tubular furnace 11, a second washing device 12 and a drying box, wherein the drying box is an air blowing drying box 14, and the second washing device 12 comprises a hydrochloric acid washing device 13 and a deionized water washing device 6.
The connection mode of the copolymer preparation equipment is as follows:
first agitator 1 is high-speed dispersion machine, second agitator 2 and third agitator 3 are temperature-adjustable's magnetic stirrers, first agitator 1 and second agitator 2 link to each other with third agitator 3 respectively, third agitator 3 links to each other with ethanol washing device 5, ethanol washing device 5 links to each other with deionized water washing device 6, be equipped with filter equipment between ethanol washing device 5 and the deionized water washing device 6, deionized water washing device 6 links to each other with first vacuum drying stove 7, be equipped with filter equipment between deionized water washing device 6 and the first vacuum drying stove 7.
The calcination equipment is connected partially as follows:
the first vacuum drying furnace 7 is connected with the first tubular furnace 8, the first tubular furnace 8 is connected with the reaction kettle 9, the reaction kettle is connected with the second vacuum drying furnace 10, the second vacuum drying furnace 10 is connected with the second tubular furnace 11, the second tubular furnace 11 is connected with the hydrochloric acid washing device 13, the hydrochloric acid washing device 13 is connected with the deionized water washing device 6, a filtering device is arranged between the hydrochloric acid washing device 13 and the deionized water washing device 6, the deionized water washing device 6 is connected with the blast drying box 14, and a filtering device is arranged between the deionized water washing device 6 and the blast drying box 14.
In actual production, 91mL of purified aniline was first uniformly dispersed in 10L of 1mol/L hydrochloric acid in a first stirrer 1, and 400g of lignosulfonate was then added to the aniline solution and stirred at 0-4 ℃ for two hours. While 228g of ammonium persulfate and 10L of 1mol/L hydrochloric acid were added to the second stirrer 2, and stirred for twenty-four hours to obtain a homogeneous solution.
After stirring is completed, the product of the first stirrer 1 is put into the third stirrer 3, then the product of the second stirrer 2 is added into the third stirrer 3 according to the speed of 3-5 drops per second, and the products of the first stirrer 1 and the second stirrer 2 are added into the third stirrer 3 according to the molar ratio of 1:1, and simultaneously, the magnetic stirring is carried out for twenty-four hours under the condition of 4 ℃. And after stirring, putting the product into an ethanol washing device 5 for washing and filtering, putting the filtered product into a deionized water washing device 6 for washing and filtering, and then putting the product into a first vacuum drying furnace 7 for forty-eight hours of drying to preliminarily prepare the lignin-polyaniline.
After the preliminary preparation is finished, putting the product into a first tube furnace 8 for pre-carbonization, setting the tube furnace at 400 ℃ for carbonization for one and a half hours to obtain a powder sample, and fully grinding the powder sample. Putting the powder sample into a reaction kettle 9, adding potassium hydroxide according to the mass ratio of 1:1 for mixing, stirring for five hours, putting into a second vacuum drying furnace 10, drying for twelve hours at the temperature of 80 ℃, putting into a second tubular furnace 11, and putting into a tubular furnace N 2 Heating to 500 deg.C, 700 deg.C and 900 deg.C respectively at a heating rate of 5 deg.C/min under atmosphere, holding for two hours, annealing for four hours, and cooling to room temperature.And putting the obtained treated materials into a hydrochloric acid washing device 13 and a deionized water washing device 6 for washing in sequence, and finally putting the washed products into a blast drier 14 for drying until the weight is constant. Namely, the preparation of the porous carbon is completed.
The above-mentioned preparation process does not limit as a method the utility model discloses a usage only realizes a flow of porous carbon preparation as this device in the embodiment, replaces the result in the synthetic step of copolymer and washing step and all can be used to the method that carries out the replacement to the drying heating time and the temperature of vacuum drying stove and tubular furnace the utility model discloses.
Claims (6)
1. A lignin-based porous carbon preparation device comprises a stirrer, a washing device, a reaction kettle, a tubular furnace, a vacuum drying device and a drying box, and is characterized in that the stirrer comprises a first stirrer, a second stirrer and a third stirrer, the washing device comprises a first washing device and a second washing device, the tubular furnace comprises a first tubular furnace and a second tubular furnace, the vacuum drying device comprises a first vacuum drying furnace and a second vacuum drying furnace, the first stirrer and the second stirrer are respectively connected to a third stirrer, the third stirrer is connected to the first washing device, the first washing device is connected to the first vacuum drying furnace, the first vacuum drying furnace is connected to the first tubular furnace, the first tubular furnace is connected to the reaction kettle, the reaction kettle is connected to the second vacuum drying furnace, the second vacuum drying furnace is connected to a second tube furnace, the second tube furnace is connected to a second washing device, and the second washing device is connected to the drying box.
2. The apparatus of claim 1, wherein the first washing device comprises an ethanol washing device and a deionized water washing device connected in sequence, and the output ends of the two washing devices are provided with filtering devices.
3. The apparatus of claim 1, wherein the second washing device comprises a hydrochloric acid washing device and a deionized water washing device which are connected in sequence, and the output ends of the two washing devices are provided with filtering devices.
4. The apparatus of claim 1, wherein the first stirrer, the second stirrer and the third stirrer are each provided with a temperature control device.
5. The apparatus of claim 1, wherein the second stirrer and the third stirrer are magnetic stirrers.
6. The apparatus of claim 1, wherein the first agitator is a high speed disperser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221418777.6U CN217437769U (en) | 2022-06-08 | 2022-06-08 | Preparation facilities of lignin base porous carbon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221418777.6U CN217437769U (en) | 2022-06-08 | 2022-06-08 | Preparation facilities of lignin base porous carbon |
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| Publication Number | Publication Date |
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| CN217437769U true CN217437769U (en) | 2022-09-16 |
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| CN202221418777.6U Active CN217437769U (en) | 2022-06-08 | 2022-06-08 | Preparation facilities of lignin base porous carbon |
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- 2022-06-08 CN CN202221418777.6U patent/CN217437769U/en active Active
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