阅读说明：本技术 一种石墨烯基吸附材料的制备装置及其使用方法 (Preparation device and use method of graphene-based adsorption material ) 是由 张玉秀 郭会时 于 2021-08-31 设计创作，主要内容包括：本发明公开了一种石墨烯基吸附材料的制备装置及其使用方法,涉及石墨烯基吸附材料制备领域。包括承载台、干燥箱,设置于干燥箱上的干燥机构,设置于承载台上方的混合机构。本发明通过设置干燥箱,在干燥箱内部两边都设有安装箱,安装箱内有靠近干燥箱的电热管,风扇输出端对着电热管吹向干燥箱内部,通过温度传感器检测干燥箱内部的温度,风扇、电热管和温度传感器都由控制器控制,当达到温度时,风扇和电热管通过控制器停止工作,使干燥箱内部温度保持稳定,使干燥的固体碳布－氧化石墨烯复合物质量更高。(The invention discloses a preparation device and a use method of a graphene-based adsorption material, and relates to the field of preparation of graphene-based adsorption materials. The drying device comprises a bearing table, a drying box, a drying mechanism arranged on the drying box and a mixing mechanism arranged above the bearing table. According to the invention, the drying box is arranged, the mounting boxes are arranged on two sides in the drying box, the electric heating tube close to the drying box is arranged in the mounting box, the output end of the fan is blown to the interior of the drying box opposite to the electric heating tube, the temperature in the drying box is detected by the temperature sensor, the fan, the electric heating tube and the temperature sensor are all controlled by the controller, and when the temperature is reached, the fan and the electric heating tube stop working through the controller, so that the temperature in the drying box is kept stable, and the quality of the dried solid carbon cloth-graphene oxide compound is higher.)

1. A preparation facilities of graphite alkene base adsorption material which characterized in that: the drying device comprises a bearing table (110), a drying box (120), a drying mechanism arranged on the drying box (120), and a mixing mechanism arranged above the bearing table (110);

the drying mechanism comprises a drying assembly and a control assembly, the drying assembly comprises an installation box (210), fans (220) and electric heating tubes (230), two installation boxes (210) are symmetrically arranged on the drying box (120) along the central axis of the drying box, one fan (220) is arranged in each installation box (210), the output end of each fan (220) corresponds to the inside of the drying box (120), five electric heating tubes (230) are arranged in each installation box (210) at equal intervals, and the electric heating tubes (230) are close to the drying box (120);

the control assembly comprises a controller (240) and a temperature sensor (250), the controller (240) is arranged on one side of the drying box (120) adjacent to the installation box (210), the temperature sensor (250) is arranged on one side inside the drying box (120), and the controller (240) is electrically connected with the temperature sensor 250, the fan (220) and the electric heating pipe (230);

the mixing mechanism comprises a mixing barrel (310) and a stirring component, the mixing barrel (310) is arranged on the upper surface of the drying box (120), and the stirring component is arranged inside the mixing barrel (310);

the stirring subassembly includes motor (320), (mixing) shaft (330) and stirring vane (340), motor (320) set up in blending tank (310) top, (mixing) shaft (330) one end is connected with motor (320) output, and is three stirring vane (340) equidistance sets up around (mixing) shaft (330).

2. The apparatus for preparing a graphene-based adsorbent material according to claim 1, wherein: the plummer (110) is the cuboid structure, drying cabinet (120) are cuboid structure and inside cavity.

3. The apparatus for preparing a graphene-based adsorbent material according to claim 2, wherein: mixing mechanism still includes business turn over liquid subassembly, business turn over liquid subassembly includes inlet pipe (350) and drain pipe (360), mixing bucket (310) top is located in inlet pipe (350), mixing bucket (310) week side is located in drain pipe (360).

4. The apparatus according to claim 3, wherein the apparatus further comprises: the bottom of the bearing table (110) is provided with a moving mechanism which comprises a damping component and a moving component, the shock absorption assembly comprises movable rods (410) and fixed columns (420), four movable rods (410) are arranged below the bearing platform (110), each movable rod (410) is close to one corner of the bearing table (110), a fixed column (420) is movably arranged below each movable rod (410), the moving assembly comprises blocking seats (430), rotating shafts (440) and rollers (450), each blocking seat (430) is movably arranged below one fixed column (420), each blocking seat (430) is movably provided with two opposite rotating shafts (440), one roller (450) is arranged between the two opposite rotating shafts (440), and a buffer spring (460) is arranged between each fixed column (420) and the bearing platform (110).

5. The apparatus for preparing a graphene-based adsorbent material according to claim 4, wherein: be equipped with one drain valve (510) on drain pipe (360), the one end that mixing barrel (310) was kept away from in drain pipe (360) is equipped with paints box (520).

6. The apparatus according to claim 5, wherein the apparatus further comprises: the drying box (120) is internally provided with a containing box (130), one side of the drying box (120) is provided with a reducing liquid input pipe (140) in a penetrating mode, the input end of the reducing liquid input pipe (140) is located outside the drying box (120), and the output end of the reducing liquid input pipe (140) is located above the containing box (130).

7. The use method of a device for the preparation of a graphene-based adsorbent material according to any one of claims 1 to 6, wherein: the method comprises the following steps:

the method comprises the following steps: mixing and preparing graphene oxide dispersion liquid on a device, and manually smearing to form a carbon cloth-graphene oxide compound;

step two: drying the carbon cloth-graphene oxide compound to form a solid carbon cloth-graphene oxide compound;

step three: and reducing the carbon cloth-graphene oxide compound in a device to obtain the graphene-based adsorbing material.

8. The use method of the apparatus for preparing graphene-based adsorption material according to claim 7, wherein: in the first step, graphene oxide powder and water enter a mixing barrel (310) through a feeding pipe (350) according to a ratio of 1:20, a motor (320) is started, the motor (320) enables a stirring shaft (330) to rotate to drive stirring blades (340) to stir, the graphene oxide powder and the water are fully mixed to form graphene oxide dispersion liquid, a liquid outlet valve (520) is opened to enable the graphene oxide dispersion liquid to flow to a smearing box (520) from a liquid outlet pipe (360), and the graphene oxide dispersion liquid is smeared on carbon cloth manually to form a carbon cloth-graphene oxide compound.

9. The use method of the apparatus for preparing a graphene-based adsorption material according to claim 8, wherein: in the second step, the carbon cloth-graphene oxide composite is placed in the containing box (130), the electric heating tube (230) is started to generate heat, hot air is blown into the drying box (120) through the fan (220), the temperature inside the drying box (120) is monitored in real time through the temperature sensor (250), and when the temperature reaches 100 ℃, the electric heating tube (230) and the fan (220) are controlled to stop working through the controller (240) to be dried, so that the solid carbon cloth-graphene oxide composite is formed.

10. The use method of the apparatus for preparing a graphene-based adsorption material according to claim 9, wherein: in the third step, hydrazine hydrate is added into the containing box (130) through the reducing liquid input pipe (140), the temperature inside the drying box (120) is increased to 120 ℃ through the electric heating pipe (230), the hydrazine hydrate and the graphene oxide undergo a reduction reaction, and the graphene-based adsorbing material is generated after 1 minute.

Technical Field

The invention belongs to the technical field of preparation of graphene-based adsorption materials, and particularly relates to a preparation device and a use method of a graphene-based adsorption material.

Background

Since the graphene material has various unique properties, researchers in the fields of materials, semiconductor device physics, nanoelectronics and the like have attracted great interest since the discovery, and the research enthusiasm developed around graphene continues to the present, and the prepared graphene-based adsorption material is one of electrode materials for preparing batteries.

The graphene-based adsorption material is prepared by firstly dispersing graphene oxide dispersion liquid in a solvent, manually stirring the solvent, wherein the solvent can be water, ethanol and methanol, smearing the graphene oxide dispersion liquid on carbon cloth, drying the carbon cloth for a certain time in an environment of 20-100 ℃, and chemically reducing the carbon cloth in an environment of hydrazine hydrate serving as a reducing agent to finally obtain the graphene-based adsorption material.

The existing graphene-based adsorption material preparation device is not perfect in preparation process, is lack of an automatic drying process for controlling graphene, cannot keep the drying temperature at the required temperature, so that the quality of the prepared graphene oxide compound is not high enough, and also cannot uniformly perform the reduction process of the finally prepared graphene oxide layer on the graphene oxide layer due to insufficient uniform stirring during preparation of a graphene oxide dispersion liquid, so that the preparation device and the use method of the graphene-based adsorption material are provided.

Disclosure of Invention

The invention aims to provide a preparation device of a graphene-based adsorption material and a use method thereof, which solve the problems that the quality of a prepared graphene oxide compound is not high enough and the reduction process of the finally prepared graphene oxide layer cannot be uniformly carried out on the graphene oxide layer.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a preparation device of a graphene-based adsorption material, which comprises a bearing table, a drying box, a drying mechanism arranged on the drying box and a mixing mechanism arranged above the bearing table, wherein the drying mechanism is arranged on the drying box;

the drying mechanism comprises a drying assembly and a control assembly, the drying assembly comprises mounting boxes, fans and electric heating tubes, two mounting boxes are symmetrically arranged on the drying box along the central axis of the drying box, one fan is arranged in each mounting box, the output end of each fan corresponds to the inside of the drying box, five electric heating tubes are arranged in each mounting box at equal intervals, the electric heating tubes are close to the drying box, heat is generated through electrification of the electric heating tubes, and the fans face the electric heating tubes and blow the electric heating tubes into the drying box;

the control assembly comprises a controller and a temperature sensor, the controller is arranged on one side of the drying box adjacent to the mounting box, the temperature sensor is arranged on one side inside the drying box, the controller is electrically connected with the temperature sensor, the fan and the electric heating tube, and the fan and the electric heating tube are controlled to be started and closed according to the temperature controller of the temperature sensor;

the mixing mechanism comprises a mixing barrel and a stirring component, the mixing barrel is arranged on the upper surface of the drying box, and the stirring component is arranged in the mixing barrel;

the stirring subassembly includes motor, (mixing) shaft and stirring vane, the motor sets up in the blending tank top, (mixing) shaft one end is connected with the motor output, and is three stirring vane equidistance sets up around the (mixing) shaft, and three stirring vane is the circumference array.

Preferably, the plummer is the cuboid structure, the drying cabinet is cuboid structure and inside cavity.

Preferably, mixing mechanism still includes business turn over liquid subassembly, business turn over liquid subassembly includes inlet pipe and drain pipe, the blending hopper top is located to the inlet pipe, the mixing hopper week side is located to the drain pipe, adds solvent and oxidation graphite alkene powder through the inlet pipe.

Preferably, the plummer bottom is equipped with moving mechanism, moving mechanism includes damper and removal subassembly, damper includes movable rod and fixed column, the plummer below is equipped with four movable rods, and every movable rod is close to the one corner of plummer, every the activity of movable rod below is provided with a fixed column, the removal subassembly is including keeping off seat, rotation axis and gyro wheel, every keep off the seat activity and set up in a fixed column below, every it is provided with two relative rotation axes, two to keep off the seat activity be equipped with a gyro wheel between the relative rotation axis, every set up a buffer spring between fixed column and the plummer, the rotation axis is rotatory on keeping off the seat, selects to move through linking to each other with the gyro wheel and drive the gyro wheel, and the drive arrangement removes.

Preferably, a liquid outlet valve is arranged on the liquid outlet pipe, a smearing box is arranged at one end, far away from the mixing barrel, of the liquid outlet pipe, and the carbon cloth is placed in the smearing box for manual smearing.

Preferably, the drying box is internally provided with a containing box, one side of the drying box is provided with a reducing liquid input pipe in a penetrating mode, the input end of the reducing liquid input pipe is located outside the drying box, the output end of the reducing liquid input pipe is located above the containing box, the containing box contains materials for drying, and reducing liquid is input through the reducing liquid input pipe for reducing.

A use method of a preparation device of a graphene-based adsorption material comprises the following steps:

the method comprises the following steps: mixing and preparing graphene oxide dispersion liquid on a device, and manually smearing to form a carbon cloth-graphene oxide compound;

step two: drying the carbon cloth-graphene oxide compound to form a solid carbon cloth-graphene oxide compound;

step three: and reducing the carbon cloth-graphene oxide compound in a device to obtain the graphene-based adsorbing material.

Preferably, in the first step, the graphene oxide powder and water are mixed according to the following formula: the proportion of through the inlet pipe get into the blending tank, the starter motor, the motor makes the (mixing) shaft rotate and drives stirring vane and mix, makes oxidation graphite alkene powder and water intensive mixing, forms oxidation graphite alkene dispersion liquid, opens out the liquid valve and makes oxidation graphite alkene dispersion liquid flow to from the drain pipe and paint the box, and the manual work is paintd oxidation graphite alkene dispersion liquid on carbon cloth, forms carbon cloth-oxidation graphite alkene complex.

Preferably, in the second step, the carbon cloth-graphene oxide composite is placed in a containing box, an electric heating tube is started to generate heat, hot air is blown into a drying oven through a fan, the temperature inside the drying oven is monitored in real time through a temperature sensor, when the temperature reaches 100 ℃, the electric heating tube and the fan are controlled to stop working through a controller to dry, so that the solid carbon cloth-graphene oxide composite is formed, and the drying needs minutes.

Preferably, in the third step, hydrazine hydrate is added into the containing box through the reducing liquid input pipe, the temperature in the drying oven is increased to 120 ℃ through the electric heating pipe, the hydrazine hydrate and the graphene oxide undergo a reduction reaction, and after minutes, a graphene-based adsorbing material is generated, wherein the reduction reaction requires temperature conditions, the temperature can change the reaction time, and the reduction is faster at high temperature.

The invention has the following beneficial effects:

1. according to the invention, the drying box is arranged, the mounting boxes are arranged on two sides in the drying box, the electric heating tube close to the drying box is arranged in the mounting box, the output end of the fan is blown to the interior of the drying box opposite to the electric heating tube, the temperature in the drying box is detected by the temperature sensor, the fan, the electric heating tube and the temperature sensor are all controlled by the controller, and when the temperature is reached, the fan and the electric heating tube stop working through the controller, so that the temperature in the drying box is kept stable, and the quality of the dried solid carbon cloth-graphene oxide compound is higher.

2. According to the invention, the stirring blades are arranged in the mixing barrel, the stirring blades are arranged on the stirring shaft, the stirring shaft is driven to rotate by the motor, and the graphene oxide powder and water added into the mixing barrel are fully stirred and mixed, so that the graphene oxide dispersion liquid is more uniform without solid precipitation, therefore, when reduction is finally carried out, hydrazine hydrate can fully react with the carbon cloth-graphene oxide compound, and the working efficiency and the finished product quality are improved;

of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a device for preparing a graphene-based adsorption material according to the present invention;

fig. 2 is a schematic front view of an apparatus for preparing a graphene-based adsorbing material according to the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B in accordance with the present invention;

FIG. 5 is an enlarged view of a portion of the invention at C of FIG. 3;

FIG. 6 is an enlarged view of a portion of FIG. 1 taken at D in accordance with the present invention;

fig. 7 is a schematic flow chart of a method for using the apparatus for preparing a graphene-based adsorbing material according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

110. a bearing table; 120. a drying oven; 130. a containing box; 140. a reducing liquid input pipe; 210. installing a box; 220. a fan; 230. an electric heating tube; 240. a controller; 250. a temperature sensor; 310. a mixing barrel; 320. a motor; 330. a stirring shaft; 340. a stirring blade; 350. a feed pipe; 360. a liquid outlet pipe; 410. a movable rod; 420. fixing a column; 430. a blocking seat; 440. a rotating shaft; 450. a roller; 510. a liquid outlet valve; 520. and (5) coating a box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The first embodiment is as follows:

referring to fig. 1-7, the present invention is a device for preparing a graphene-based adsorbing material, including a carrier table 110, a drying oven 120, a drying mechanism disposed on the drying oven 120, and a mixing mechanism disposed above the carrier table 110;

the drying mechanism comprises a drying assembly and a control assembly, the drying assembly comprises mounting boxes 210, fans 220 and electric heating tubes 230, two mounting boxes 210 are symmetrically arranged on the drying box 120 along the central axis of the drying box, one fan 220 is arranged in each mounting box 210, the output end of each fan 220 corresponds to the inside of the drying box 120, five electric heating tubes 230 are arranged in each mounting box 210 at equal intervals, the electric heating tubes 230 are close to the drying box 120, heat is generated through electrification of the electric heating tubes 230, and the fans 220 face the electric heating tubes 230 and blow towards the inside of the drying box 120;

the control assembly comprises a controller 240 and a temperature sensor 250, the controller 240 is arranged on one side of the drying box 120 adjacent to the installation box 210, the temperature sensor 250 is arranged on one side inside the drying box 120, the controller 240 is electrically connected with the temperature sensor 250, the fan 220 and the electric heating tube 230, and the controller 240 controls the fan 220 and the electric heating tube 230 to be started and stopped according to the temperature of the temperature sensor 250;

the mixing mechanism comprises a mixing barrel 310 and a stirring component, the mixing barrel 310 is arranged on the upper surface of the drying box 120, and the stirring component is arranged inside the mixing barrel 310;

the stirring assembly comprises a motor 320, a stirring shaft 330 and stirring blades 340, wherein the motor 320 is arranged above the mixing barrel 310, one end of the stirring shaft 330 is connected with the output end of the motor 320, the three stirring blades 340 are arranged around the stirring shaft 330 at equal intervals, and the three stirring blades 340 are in a circumferential array.

Further, the bearing table 110 has a rectangular parallelepiped structure, and the drying box 120 has a rectangular parallelepiped structure and is hollow inside.

Further, the mixing mechanism still includes business turn over liquid subassembly, and business turn over liquid subassembly includes inlet pipe 350 and drain pipe 360, and inlet pipe 350 locates the blending barrel 310 top, and drain pipe 360 locates blending barrel 310 week side, adds solvent and oxidation graphite alkene powder through inlet pipe 350.

Further, the bottom of the bearing platform 110 is provided with a moving mechanism, the moving mechanism comprises a damping component and a moving component, the damping component comprises a movable rod 410 and a fixed column 420, four movable rods 410 are arranged below the bearing platform 110, each movable rod 410 is close to one corner of the bearing platform 110, a fixed column 420 is movably arranged below each movable rod 410, the moving component comprises a blocking seat 430, a rotating shaft 440 and a roller 450, each blocking seat 430 is movably arranged below one fixed column 420, each blocking seat 430 is movably provided with two opposite rotating shafts 440, a roller 450 is arranged between the two opposite rotating shafts 440, a buffer spring 460 is arranged between each fixed column 420 and the bearing platform 110, the rotating shafts 440 rotate on the blocking seats 430, the roller 450 is driven to selectively move by being connected with the roller 450, and the driving device is driven to move.

Further, a liquid outlet valve 510 is arranged on the liquid outlet pipe 360, a smearing box 520 is arranged at one end of the liquid outlet pipe 360, which is far away from the mixing barrel 310, and carbon cloth is placed in the smearing box 520 for manual smearing.

Further, a containing box 130 is arranged inside the drying box 120, a reducing liquid input pipe 140 penetrates through one side of the drying box 120, the input end of the reducing liquid input pipe 140 is located outside the drying box 120, the output end of the reducing liquid input pipe 140 is located above the containing box 130, the containing box 130 contains materials for drying, and reducing liquid is input through the reducing liquid input pipe 140 for reducing.

Example two:

a use method of a preparation device of a graphene-based adsorption material comprises the following steps:

the method comprises the following steps: mixing and preparing graphene oxide dispersion liquid on a device, and manually smearing to form a carbon cloth-graphene oxide compound;

step two: drying the carbon cloth-graphene oxide compound to form a solid carbon cloth-graphene oxide compound;

step three: and reducing the carbon cloth-graphene oxide compound in a device to obtain the graphene-based adsorbing material.

Further, in the first step, graphene oxide powder and water enter the mixing tank 310 through the inlet pipe 350 according to a ratio of 1:20, the motor 320 is started, the stirring shaft 330 is rotated by the motor 320 to drive the stirring blades 340 to stir, so that the graphene oxide powder and the water are fully mixed to form graphene oxide dispersion liquid, the liquid outlet valve 510 is opened to enable the graphene oxide dispersion liquid to flow to the smearing box 520 from the liquid outlet pipe 360, and the graphene oxide dispersion liquid is smeared on the carbon cloth manually to form a carbon cloth-graphene oxide composite.

Further, in the second step, the carbon cloth-graphene oxide composite is placed in the containing box 130, the electric heating tube 230 is started to generate heat, the hot air is blown into the drying oven 120 through the fan 220, the temperature inside the drying oven 120 is monitored in real time by using the temperature sensor 250, when the temperature reaches 100 ℃, the electric heating tube 230 and the fan 220 are controlled to stop working through the controller 240 to perform drying, so that the solid carbon cloth-graphene oxide composite is formed, and the drying requires 10 minutes.

Further, in the third step, hydrazine hydrate is added into the containing box 130 through the reducing liquid input pipe 140, the temperature inside the drying box 120 is increased to 120 ℃ through the electric heating pipe 230, the hydrazine hydrate and the graphene oxide undergo a reduction reaction, and after 1 minute, a graphene-based adsorbing material is generated, wherein the reduction reaction requires temperature conditions, the temperature can change the reaction time, and the reduction is faster at high temperature.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.