CN218131865U - Semi-automatic purification device for graphite material - Google Patents
Semi-automatic purification device for graphite material Download PDFInfo
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- CN218131865U CN218131865U CN202222157301.8U CN202222157301U CN218131865U CN 218131865 U CN218131865 U CN 218131865U CN 202222157301 U CN202222157301 U CN 202222157301U CN 218131865 U CN218131865 U CN 218131865U
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Abstract
The utility model relates to a semi-automatic purification device of graphite materials, which comprises a reaction kettle, wherein a stirring mechanism is arranged in the reaction kettle, the top of the reaction kettle is connected with an acid injection mechanism, a water injection mechanism, a vacuum powder automatic feeding machine and an exhaust pipe, the exhaust pipe is connected with a foam collecting tank, and the foam collecting tank is connected with a first tail gas treatment device through a tail gas pipe; the bottom of reation kettle is connected with centrifugal drier, and centrifugal drier is connected with the spent acid collecting tank through spent acid recovery pipe, and centrifugal drier is connected with the waste water collecting tank through waste water recovery pipe, all is provided with the valve on spent acid recovery pipe and the waste water recovery pipe. Through setting up the foam collection tank, when the inside a large amount of foams that produces of reation kettle, the foam gets into the foam collection tank along the blast pipe, prevents that the foam from getting into tail gas treatment device and leading to equipment to block up. The purified graphite powder is dried by using a centrifugal dryer, and the centrifugal dryer can separate the graphite powder, waste acid and waste water, so that the production efficiency is ensured.
Description
Technical Field
The utility model belongs to graphite material production facility field, especially a semi-automatic purification device of graphite material.
Background
The acid washing method is one of the main methods for purifying the carbon graphite material, the adopted purification equipment is mainly a reaction kettle, and during purification, water and acid are introduced into the reaction kettle, and the materials are stirred, so that impurities in the graphite react with the acid, and the purpose of purification is achieved. After the reaction, the waste gas is introduced into a tail gas treatment device for treatment, graphite, waste acid and waste water are separated, and the graphite is dried. The existing purification equipment mainly has the following defects: 1. during feeding, dust is serious, the working environment is poor, and the health of workers is influenced; 2. during the reaction of impurities in the graphite and the acid, a large amount of foam may appear, and the foam may cause the blockage of the tail gas discharge pipe after entering the tail gas discharge pipe; 3. the waste acid and the waste water are difficult to separate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a semi-automatic purification device of graphite material is provided, can prevent that the foam from blockking up the tail gas delivery pipe to can separate waste water and spent acid in dry graphite, improve production efficiency.
In order to solve the above problem, the utility model adopts the technical scheme that: a semi-automatic purification device for graphite materials comprises a reaction kettle, wherein a stirring mechanism is arranged in the reaction kettle, the top of the reaction kettle is connected with an acid injection mechanism, a water injection mechanism, a vacuum powder automatic feeding machine and an exhaust pipe,
the exhaust pipe is connected with a foam collecting tank, and the foam collecting tank is connected with a first tail gas treatment device through a tail gas pipe;
the bottom of reation kettle is connected with centrifugal drier, centrifugal drier is connected with the spent acid collecting tank through the spent acid recovery pipe, and centrifugal drier is connected with the waste water collecting tank through the waste water recovery pipe, all be provided with the valve on spent acid recovery pipe and the waste water recovery pipe.
Further, the centrifugal dryer is connected with a second tail gas treatment device.
Further, an interlayer is arranged outside the reaction kettle, and a temperature control cavity is arranged between the interlayer and the reaction kettle.
Further, still include circulation tank, be provided with the circulating pump in the circulation tank, the circulating pump passes through the inlet tube and links to each other with the bottom in temperature control chamber, the top in temperature control chamber passes through the recovery tube and links to each other with circulation tank.
Furthermore, a first thermometer is arranged on the upper portion of the inner cavity of the reaction kettle, and a second thermometer is arranged on the lower portion of the inner cavity of the reaction kettle.
Further, a pressure gauge is arranged at the top of the reaction kettle.
Further, a liquid level sensor is arranged in the reaction kettle.
Further, the bottom of reation kettle is provided with the relief valve, centrifugal dryer is located reation kettle's below, the relief valve links to each other with centrifugal dryer.
The utility model has the advantages that: the automatic feeding of the vacuum powder automatic feeding machine is utilized, so that the graphite dust can be prevented from entering the air to pollute the workshop environment, and the health of workers can be protected. Through setting up the foam collecting tank, when reation kettle inside produced a large amount of foams, the foam can get into the foam collecting tank along the blast pipe, prevents that the foam from getting into tail gas treatment equipment and exhaust emission pipeline and leading to equipment to block up. Utilize centrifugal drier to carry out the drying to the graphite powder after the purification, because the density of waste water and spent acid is different, centrifugal drier can separate graphite powder, spent acid and waste water, guarantees production efficiency.
Drawings
Fig. 1 is a schematic view of the present invention;
reference numerals: 1-a reaction kettle, 2-a stirring mechanism, 3-an interlayer, 4-a circulating water tank, 5-a first thermometer, 6-a second thermometer, 7-a liquid level sensor, 8-a pressure gauge, 9-a vacuum powder automatic feeding machine, 10-an acid injection mechanism, 11-a water injection mechanism, 12-a foam collecting tank, 13-a first tail gas treatment device, 14-a centrifugal dryer, 15-a waste acid collecting tank, 16-a waste water collecting tank and 17-a second tail gas treatment device; 18-tail gas pipe; 19-exhaust pipe.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model discloses a semi-automatic purification device of graphite material, as shown in fig. 1, including reation kettle 1, be provided with rabbling mechanism 2 in reation kettle 1, rabbling mechanism 2 is used for stirring the material, improves purification efficiency and purification effect, adopts common mechanical stirring mechanism can. The top of the reaction kettle 1 is connected with an acid injection mechanism 10, a vacuum powder automatic feeding machine 9, a water injection mechanism 11 and an exhaust pipe 19.
The reaction kettle 1 can adopt an acid-resistant reaction kettle commonly used in the chemical field, the top is provided with a plurality of material inlets for letting in materials, and the bottom is provided with a material discharge port for discharging materials. The acid injection mechanism 10 is used for injecting acid into the reaction kettle 1, the acid is mainly hydrochloric acid, and a small amount of hydrofluoric acid or nitric acid can be added into the hydrochloric acid. The acid injection mechanism 10 comprises an acid storage tank, an acid injection pump is arranged in the acid storage tank, and the acid injection pump is connected with the top of the reaction kettle 1 through a pipeline. Water injection mechanism 11 is arranged in to reation kettle 1 water injection, including the jar that impounds, the storage has the clear water in the jar that impounds, and the jar that impounds is inside to set up the water injection pump, and the water injection pump passes through the pipeline and links to each other with reation kettle 1's top. In addition, an acid storage tank and a water storage tank can also be arranged above the reaction kettle 1, acid or water flows into the reaction kettle 1 under the self gravity, and the duration of acid injection and water injection is controlled by a valve.
The vacuum powder automatic feeding machine 9 is a commonly used powder feeding device at present, can realize automatic feeding, can prevent powder from dissipating into the air, and is favorable for maintaining a good workshop environment.
The exhaust pipe 19 is used for discharging waste gas generated during purification, the exhaust pipe 19 is connected with the foam collecting tank 12, and the top of the foam collecting tank 12 is connected with the first tail gas treatment device 13 through the tail gas pipe 18. During the purification process, a large amount of foam is generated under the action of stirring, and the foam can enter the foam collecting tank 12 through the exhaust pipe 19, so that the foam is prevented from entering the first tail gas treatment device 13 and the tail gas pipe 18 to cause blockage. The exhaust pipe 19 may be a pipe having a large inner diameter. The waste gas generated in the purification process enters the first tail gas treatment device 13 through the tail gas pipe 18, and is purified by the first tail gas treatment device 13 and then is exhausted.
The bottom of reation kettle 1 is connected with centrifugal drier 14, and centrifugal drier 14 is connected with spent acid collecting tank 15 through the waste acid recovery pipe, and centrifugal drier 14 is connected with waste water collecting tank 16 through the waste water recovery pipe, all is provided with the valve on spent acid recovery pipe and the waste water recovery pipe.
The centrifugal dryer 14 may be used for centrifugal separation to separate mixtures of different densities. Because the density of graphite, waste water and spent acid is different, the utility model discloses a centrifugal drier 14 can separate waste water, spent acid and graphite, and waste water and spent acid after following the graphite separation, graphite also has just also obtained the drying. During separation, a valve between the centrifugal drier 14 and the waste acid collecting tank 15 is opened, a valve between the centrifugal drier 14 and the waste water collecting tank 16 is closed, and waste acid is discharged into the waste acid collecting tank 15; and closing a valve between the centrifugal dryer 14 and the waste acid collecting tank 15, opening a valve between the centrifugal dryer 14 and the waste water collecting tank 16, and discharging the waste water into the waste water collecting tank 16.
Since the material entering the centrifugal dryer 14 contains a small amount of exhaust gas, and the direct discharge may cause environmental pollution, the centrifugal dryer 14 is connected with a second exhaust gas treatment device 17. In the process of drying graphite, the exhaust gas in the material enters the second tail gas treatment device 17, and is exhausted after being treated. The first tail gas treatment device 13 and the second tail gas treatment device 17 may be any common purification device such as a scrubber.
In order to improve the purification temperature and improve the reaction speed, an interlayer 3 is arranged outside the reaction kettle 1, and the interlayer 3 can be made of heat-insulating materials to reduce energy consumption. A temperature control cavity is arranged between the interlayer 3 and the reaction kettle 1. Heating equipment such as an electric heating mechanism and the like can be arranged in the temperature control cavity, so that the internal temperature of the reaction kettle 1 meets the process requirements. Preferably, the utility model discloses still include circulation tank 4, be provided with the circulating pump in the circulation tank 4, the circulating pump passes through the inlet tube and links to each other with the bottom in temperature control chamber, and the top in temperature control chamber is passed through the recovery tube and is linked to each other with circulation tank 4. A heater and a thermometer may be provided inside the circulation tank 4 to keep the temperature of water in the circulation tank 4 constant. Water in the circulating water tank 4 enters the temperature control cavity through the water inlet pipe, and after materials in the reaction kettle 1 are heated, the water returns to the circulating water tank 4 from the water discharge pipe, so that cyclic utilization is realized. The circulating water with constant temperature is adopted as a heating medium, and when the temperature in the reaction kettle 1 is higher than the process requirement, the circulating water can also play a role in cooling, so that the overhigh temperature in the reaction kettle 1 is prevented.
In order to control the temperature in the reaction kettle 1 more accurately, a first thermometer 5 is arranged at the upper part of the inner cavity of the reaction kettle 1, and a second thermometer 6 is arranged at the lower part of the inner cavity of the reaction kettle 1. In order to facilitate monitoring of the pressure in the reaction kettle 1, a pressure gauge 8 is arranged at the top of the reaction kettle 1. In order to control the liquid level in the reaction kettle 1 conveniently, a liquid level sensor 7 is arranged in the reaction kettle 1. First thermometer 5, second thermometer 6, manometer 8 and level sensor 7 etc. can the inside situation of real-time supervision reation kettle 1, can stop immediately annotating acid and water injection when the condition such as the reaction is too violent leads to appearing unusually, prevents to cause the incident.
In order to make the materials in the reaction kettle 1 automatically enter the centrifugal drier 14, the bottom of the reaction kettle 1 is provided with a discharge valve, the centrifugal drier 14 is positioned below the reaction kettle 1, and the discharge valve is connected with the centrifugal drier 14. After purification is completed, the discharge valve is opened, and the materials in the reaction kettle 1 can automatically enter the centrifugal dryer 14 under the action of gravity without using a material pump.
During purification, graphite powder is conveyed to the reaction kettle 1 through the vacuum powder automatic feeding machine 9, and corresponding valves are closed after purification is completed. And then, injecting water into the reaction kettle 1 by using a water injection device 11, simultaneously opening the stirring mechanism 2, and closing a corresponding valve after the water injection is finished. And then, starting a circulating pump in the circulating water tank 4, introducing water into the temperature control cavity, and cooling or heating the reaction kettle 1 as required. And finally, injecting acid into the reaction kettle 1 through an acid injection device 10, wherein the injection amount is determined according to the process requirement.
During the reaction, the first thermometer 5, the second thermometer 6, the pressure gauge 8 and the liquid level sensor 7 monitor the temperature, the pressure and the liquid level height in the reaction kettle 1, and the acid injection is stopped in time when abnormality occurs. When a large amount of foam is generated in the reaction, the foam can enter the foam collecting tank 12 through the exhaust pipe 19, so that the foam is prevented from entering the first tail gas treatment device 13 and the tail gas pipe 18 to cause blockage. The waste gas generated in the purification process enters the first tail gas treatment device 13 through the tail gas pipe 18, and is purified by the first tail gas treatment device 13 and then is exhausted.
After purification is completed, the discharge valve is opened, materials in the reaction kettle 1 can automatically enter the centrifugal dryer 14 under the action of gravity, the centrifugal dryer 14 starts to operate, a valve between the centrifugal dryer 14 and the waste acid collecting tank 15 is opened, a valve between the centrifugal dryer 14 and the waste water collecting tank 16 is closed, and waste acid is discharged into the waste acid collecting tank 15. After the waste acid is completely separated, the valve between the centrifugal drier 14 and the waste acid collecting tank 15 is closed, the valve between the centrifugal drier 14 and the waste water collecting tank 16 is opened, and the waste water is discharged into the waste water collecting tank 16. A small amount of waste gas remained in the materials enters the second tail gas treatment device 17, and is exhausted after being treated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Semi-automatic purification device of graphite material, including reation kettle (1), be provided with rabbling mechanism (2) in reation kettle (1), the top of reation kettle (1) is connected with annotates sour mechanism (10), water injection mechanism (11) and blast pipe (19), its characterized in that:
the top of the reaction kettle (1) is connected with an automatic vacuum powder feeding machine (9);
the exhaust pipe (19) is connected with a foam collecting tank (12), and the foam collecting tank (12) is connected with a first tail gas treatment device (13) through a tail gas pipe (18);
the bottom of reation kettle (1) is connected with centrifugal drier (14), centrifugal drier (14) are connected with waste acid collecting tank (15) through waste acid recovery pipe, and centrifugal drier (14) are connected with waste water collecting tank (16) through waste water recovery pipe, all be provided with the valve on waste acid recovery pipe and the waste water recovery pipe.
2. The apparatus for semi-automatic purification of graphite material according to claim 1, wherein: the centrifugal drier (14) is connected with a second tail gas treatment device (17).
3. The apparatus for semi-automatic purification of graphite material according to claim 1, wherein: an interlayer (3) is arranged outside the reaction kettle (1), and a temperature control cavity is arranged between the interlayer (3) and the reaction kettle (1).
4. The apparatus for semi-automatic purification of graphite material according to claim 3, wherein: still include circulation tank (4), be provided with the circulating pump in circulation tank (4), the circulating pump passes through the inlet tube and links to each other with the bottom in temperature control chamber, the top in temperature control chamber passes through the recovery tube and links to each other with circulation tank (4).
5. The apparatus for semi-automatic purification of graphite material according to claim 1, wherein: the upper part of the inner cavity of the reaction kettle (1) is provided with a first thermometer (5), and the lower part of the inner cavity of the reaction kettle (1) is provided with a second thermometer (6).
6. The apparatus for semi-automatic purification of graphite material according to claim 1, wherein: and a pressure gauge (8) is arranged at the top of the reaction kettle (1).
7. The apparatus for semi-automatic purification of graphite material according to claim 1, wherein: a liquid level sensor (7) is arranged in the reaction kettle (1).
8. The apparatus for semi-automatic purification of graphite material according to claim 1, wherein: the bottom of reation kettle (1) is provided with the relief valve, centrifugal drier (14) are located reation kettle (1) below, the relief valve links to each other with centrifugal drier (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222157301.8U CN218131865U (en) | 2022-08-17 | 2022-08-17 | Semi-automatic purification device for graphite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222157301.8U CN218131865U (en) | 2022-08-17 | 2022-08-17 | Semi-automatic purification device for graphite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218131865U true CN218131865U (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222157301.8U Active CN218131865U (en) | 2022-08-17 | 2022-08-17 | Semi-automatic purification device for graphite material |
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| Country | Link |
|---|---|
| CN (1) | CN218131865U (en) |
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2022
- 2022-08-17 CN CN202222157301.8U patent/CN218131865U/en active Active
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