CN213679841U

CN213679841U - Graphene oxide purification device

Info

Publication number: CN213679841U
Application number: CN202021809895.0U
Authority: CN
Inventors: 相启光; 周倜; 盛亮亮; 刘祥鲁; 秦燕; 赵振华; 宋红敬
Original assignee: Shandong Suyuan Green Chemical Research Institute
Current assignee: Shandong Suyuan Green Chemical Research Institute
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-07-13
Anticipated expiration: 2030-08-26

Abstract

The utility model relates to a graphite oxide purification device belongs to chemical production equipment technical field, including blending tank and purification jar, the blending tank is placed on an ultrasonic oscillator, the blending tank top is equipped with the material feed inlet, the inside upper segment of blending tank is equipped with a dispersion, the center of dispersion impeller is upwards protruding, a plurality of weeping holes have been seted up on the dispersion impeller, the below of dispersion impeller is equipped with an annular spray tube, annular spray tube lower extreme is equipped with the round shower nozzle, the annular spray tube passes through the feed liquor pipe and links to each other with a micropump of setting outside the blending tank, the lower extreme of blending tank passes through the pipeline and links to each other with the top of purification jar, the upper segment slope is equipped with a filter screen in the purification jar, the inside bottom of purification jar is equipped with ICP ion concentration detector, the inside bottom of purification jar still is equipped with the ultrasonic vibrator, the ultrasonic vibrator links to each other. The utility model discloses can effectually separate out impurity ion, improve the thoroughness of oxidation graphite alkene purification, purification efficiency is higher, and the cost is lower.

Description

Graphene oxide purification device

Technical Field

The utility model relates to a graphite oxide purification device belongs to chemical production equipment technical field.

Background

Graphene oxide is an oxide of graphene, and the color of the graphene oxide is brown yellow, and common products in the market are in a powder form, a flake form and a solution form. In industrial production, the graphene oxide powder can be prepared on a large scale by applying an oxidation intercalation method. The graphene oxide slurry produced by the oxidation intercalation method contains a large amount of impurity ions, and the existing graphene oxide has the problems of low efficiency, poor washing effect and the like in the purification process; the number of the middle layers of the produced graphene oxide is also large, namely the quality of the produced graphene oxide is not high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve exist among the prior art not enough, provide a purification efficiency is higher, the better oxidation graphite alkene purification device of effect.

The utility model discloses a realize through following technical scheme:

namely a graphene oxide purification device, which comprises a mixing tank and a purification tank, wherein the mixing tank is placed on an ultrasonic oscillator, the top end of the mixing tank is provided with a material feeding hole, the upper section inside the mixing tank is provided with a dispersion, the center of a dispersion plate protrudes upwards, the dispersion plate is provided with a plurality of liquid leakage holes, an annular spray pipe is arranged below the dispersion plate, the lower end of the annular spray pipe is provided with a circle of spray heads, the annular spray pipe is connected with a micro pump I arranged outside the mixing tank through a liquid inlet pipe, the lower end of the mixing tank is connected with the top end of the purification tank through a pipeline, the upper section inside the purification tank is obliquely provided with a filter screen, the bottom inside the purification tank is provided with an ICP ion concentration detector, the bottom inside the purification tank is also provided with an ultrasonic vibrator, the ultrasonic vibrator is connected with an ultrasonic generator arranged outside the purification tank, the top end, a crucible is arranged below the liquid outlet.

The utility model discloses can effectually separate out impurity ion, improve the thoroughness of oxidation graphite alkene purification, purification efficiency is higher, and the cost is lower.

Further preferably, a fixed disk is fixedly arranged on the ultrasonic oscillator, and the mixing tank is placed in the fixed disk.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a mixing tank; 2. a material feeding port; 3. an annular nozzle; 4. a spray head; 5. a dispersion tray; 6. a weep hole; 7. a first micro pump; 8. a liquid inlet pipe; 9. fixing the disc; 10. an ultrasonic oscillator; 11. a second micro pump; 12. a purification tank; 13. a water inlet; 14. a filter screen; 15. an ICP ion concentration detector; 16. an ultrasonic vibrator; 17. an ultrasonic generator; 18. a liquid outlet; 19. a crucible is provided.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in figure 1, a graphene oxide purification device comprises a mixing tank 1 and a purification tank 12, wherein the mixing tank 1 is placed on an ultrasonic oscillator 10, a material feed port 2 is arranged at the top end of the mixing tank 1, a dispersion disc 5 is arranged at the upper section inside the mixing tank 1, the center of the dispersion disc 5 protrudes upwards, a plurality of liquid leakage holes 6 are formed in the dispersion disc 5, an annular spray pipe 3 is arranged below the dispersion disc 5, a circle of spray heads 4 are arranged at the lower end of the annular spray pipe 3, the annular spray pipe 3 is connected with a first micropump 7 arranged outside the mixing tank 1 through a liquid inlet pipe 8, the lower end of the mixing tank 1 is connected with the top end of the purification tank 12 through a pipeline, a filter screen 14 is obliquely arranged at the upper section inside the purification tank 12, an ICP ion concentration detector 15 is arranged at the bottom end inside the purification tank 12, an ultrasonic vibrator 16 is further arranged at the bottom end inside the purification tank 12, the ultrasonic vibrator 16 is connected with an, the top end of the purifying tank 12 is provided with a water inlet 13, the bottom end of the purifying tank 12 is provided with a liquid outlet 18, and a crucible 19 is arranged below the liquid outlet 18.

A fixed disk 9 is fixedly arranged on the ultrasonic oscillator 10, and the mixing tank 1 is arranged in the fixed disk 9.

The working process is as follows:

the prepared graphene oxide solution is added into a mixing tank through a material feeding hole, citric acid and dilute hydrochloric acid are added into the mixing tank through a liquid inlet pipe, the citric acid and the dilute hydrochloric acid serve as binding agents, the citric acid and the dilute hydrochloric acid are sprayed down through an annular spraying pipe and a spray head, the graphene oxide solution falls on a dispersion plate and is uniformly dropped, and the citric acid, the dilute hydrochloric acid and the graphene oxide solution can be rapidly mixed, meanwhile, under the action of the ultrasonic oscillator, impurity ions in the solution can be combined with the bonding agent which is separated from the solution and has better bonding property, and then the solution enters the purification tank, so that the solution is more purified by filtering of the filter screen, and adding secondary deionized water through a water adding pipe to obtain graphene oxide hydrogel, finally enabling the graphene oxide hydrogel to enter the crucible through a liquid outlet tank, and putting the crucible into a freeze-drying constant-temperature appliance for treatment.

The directions or positional relationships indicated as "upper" and "lower" are the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention, but do not require the present invention to be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present invention.

Claims

1. The utility model provides a graphite oxide purification device which characterized in that: comprises a mixing tank (1) and a purification tank (12), the mixing tank (1) is placed on an ultrasonic oscillator (10), a material feed inlet (2) is arranged at the top end of the mixing tank (1), a dispersion disc (5) is arranged at the upper section in the mixing tank (1), the center of the dispersion disc (5) is upwards protruded, a plurality of liquid leakage holes (6) are formed in the dispersion disc (5), an annular spray pipe (3) is arranged below the dispersion disc (5), a circle of spray heads (4) are arranged at the lower end of the annular spray pipe (3), the annular spray pipe (3) is connected with a first micropump (7) arranged outside the mixing tank (1) through a liquid inlet pipe (8), the lower end of the mixing tank (1) is connected with the top end of the purification tank (12) through a pipeline, a filter screen (14) is obliquely arranged at the upper section in the purification tank (12), an ICP ion concentration detector (15) is arranged at the bottom end in the purification tank (, an ultrasonic vibrator (16) is further arranged at the bottom end inside the purification tank (12), the ultrasonic vibrator (16) is connected with an ultrasonic generator (17) arranged outside the purification tank (12), a water inlet (13) is arranged at the top end of the purification tank (12), a liquid outlet (18) is arranged at the bottom end of the purification tank (12), and a crucible (19) is arranged below the liquid outlet (18).

2. The graphene oxide purification apparatus according to claim 1, wherein: a fixed disc (9) is fixedly arranged on the ultrasonic oscillator (10), and the mixing tank (1) is placed in the fixed disc (9).