Activated carbon coke recovery system

Abstract

The utility model discloses an activated carbon coke recovery system which is provided with a drying mechanism, an activation mechanism and a waste gas treatment mechanism, the regeneration process of activated carbon coke is optimized, and structures such as an air blower, a heating box and a suction ventilator are combined for operation under intelligent control of a PLC, so that the activated carbon coke is cyclically dried by hot air, and the quality of the activated carbon coke is improved. Therefore, the energy consumption is reduced; in the activation and regeneration treatment process of the activated carbon coke, the heating base adopts a multi-stage heating mode for the dried activated carbon coke, the decomposition speed of organic matters is controlled according to the temperature gradient, and moderate heating treatment is carried out, so that the organic matters are respectively eliminated or converted from a matrix of the activated coke in the forms of volatilization, decomposition, carbonization and oxidation along with the temperature rise; and the water vapor oxidizing gas is combined as an activating agent, so that the residual carbide is gasified into gas, activated carbon coke micropores are cleaned, new micropores are generated and added, and the regeneration efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of environmental protection and resource recovery, and in particular to an activated carbon coke recovery system. Background Art

[0002] Activated carbon is an adsorption material widely used in environmental protection, chemical industry, medicine and other fields. During use, the activated carbon coke will gradually become saturated and lose its adsorption capacity, and needs to be regenerated. The traditional activated carbon regeneration method has problems such as high energy consumption and low regeneration efficiency, and the waste gas generated during the regeneration process causes secondary pollution to the environment. In this regard, an activated carbon coke recovery system is now provided. Utility Model Content

[0003] The present application provides an activated carbon coke recovery system, which is provided with a drying mechanism, an activation mechanism, and a waste gas treatment mechanism, optimizes the activated carbon coke regeneration process, and allows the blower, the heating box, the suction fan and other structures to work in combination under the intelligent control of the PLC controller, so that the hot air cyclically dries the activated carbon coke, thereby reducing energy consumption; in the process of activating and regenerating the activated carbon coke, the heating seat adopts a multi-stage heating method for the dried activated carbon coke, controls the decomposition rate of organic matter according to the temperature gradient, and appropriately heats the activated carbon coke so that the organic matter is eliminated or transformed from the matrix of the activated carbon coke in the form of volatilization, decomposition, carbonization, and oxidation as the temperature rises, thereby improving the carbonization efficiency, and then combines water vapor oxidizing gas as an activator to gasify the residual carbonized matter into gas, while cleaning the activated carbon coke micropores and generating and adding new micropores, thereby improving the regeneration efficiency; in the process of activating and regenerating the activated carbon coke, all the waste gas generated in the process of activating and regenerating the activated carbon coke is discharged into the waste gas treatment mechanism, which is purified before being discharged, thereby effectively removing harmful substances in the waste gas and ensuring that the emission meets the standards.

[0004] The present application provides an activated carbon char recovery system, including: a drying mechanism, an activation mechanism, an exhaust gas treatment mechanism and a collection mechanism, the drying mechanism including a feed pipe, the bottom of the feed pipe is connected to a drying tank, a hair dryer is arranged on the top of the drying tank, the output end of the hair dryer is connected to a heating box, the output end of the heating box is connected to an air supply pipe, the end of the air supply pipe is connected to the drying tank, a return air pipe is arranged on the side wall of the drying tank, the upper end of the return air pipe is connected to a suction fan, the output end of the suction fan is connected to the hair dryer, a discharge pipe is arranged at the bottom of the drying tank, a discharge valve is installed on the discharge pipe, and the end of the discharge pipe is connected to the activation mechanism;

[0005] The activation mechanism comprises an activation box, a shelf is arranged inside the activation box, a heating seat is arranged at the bottom of the activation box, a steam pipe is connected to the side wall of the activation box, a water tank is connected to the end of the steam pipe, a water inlet pipe is arranged on the top of the water tank, a water inlet valve is installed on the water inlet pipe, a heating plate is arranged at the bottom of the water tank, and an exhaust gas treatment mechanism is arranged on the top of the activation box;

[0006] The exhaust gas treatment mechanism includes an exhaust pipe, the end of which is connected to an exhaust gas treatment box, and the output end of the exhaust gas treatment box is provided with an exhaust pipe;

[0007] A collecting mechanism is welded on one side of the activation box. The collecting mechanism comprises a collecting tank. A discharge pipe is connected to the bottom of the collecting tank. A discharge valve is arranged on the discharge pipe.

[0008] The blower, the heating box, the suction fan, the discharge valve, the discharging valve, the heating seat, the heating plate, the water inlet valve and the waste gas treatment box are electrically connected to the same PLC controller.

[0009] Furthermore, the bottom of the drying tank is "conical".

[0010] Furthermore, the shelf is arranged to be inclined.

[0011] Furthermore, a plurality of tiny holes are arranged on the shelf plate.

[0012] Furthermore, an electric baffle is provided at the welding point between the collection tank and the activation box and is electrically connected to the PLC controller.

[0013] Furthermore, the PLC controller includes a display screen and control buttons.

[0014] It can be seen from the above technical scheme that the present application provides an activated carbon coke recovery system, including: a drying mechanism, an activation mechanism, an exhaust gas treatment mechanism and a collection mechanism. The drying mechanism is a device for drying the activated carbon coke that needs to be activated and regenerated, so that the water adsorbed in the activated carbon coke particles and part of the low-boiling point organic matter are volatilized, which provides basic support for the activation and regeneration of the activated carbon coke. The activation mechanism is a device for carbonizing and activating the dried activated carbon coke, which is used to carbonize and activate the dried activated carbon coke, so that the organic matter is removed from the activated carbon coke in the form of volatilization, decomposition, carbonization and oxidation as the temperature rises. The activated carbon coke is cleaned and new micropores are generated to achieve the purpose of activating and regenerating the activated carbon coke, so that the activated carbon coke can be recycled and reused, reducing resource waste and improving resource recycling rate. The waste gas treatment mechanism is a device for purifying the waste gas generated during the activation and regeneration of the activated carbon coke, removing harmful substances in the waste gas and ensuring that the emission meets the standards. The collection mechanism is a collection device for temporarily storing and collecting the activated carbon coke after activation and regeneration. The drying mechanism includes a feed pipe, and the activated carbon coke to be activated and regenerated enters The injection channel inside the equipment is connected to a drying tank at the bottom of the feed pipe, which is a container for drying the injected activated carbon coke that needs to be activated and regenerated. A hair dryer is arranged on the top of the drying tank, and a kinetic energy output structure is provided to provide wind power in the process of drying the activated carbon coke. A heating box is connected to the output end of the hair dryer, and a structure is used to heat the wind generated and output by the hair dryer, so as to better dry the activated carbon coke. An air supply pipe is connected to the output end of the heating box, and the hot air heated by the heating box enters the pipeline in the drying tank. The end of the air supply pipe is connected to the drying tank, and a return air pipe is arranged on the side wall of the drying tank to heat the activated carbon coke. The air return duct for cooling down the char after drying is connected to a suction fan at the end of the return air duct. The kinetic energy output structure, when used in combination with a hair dryer, can recycle the cooled air after drying the activated char and send it back to the hair dryer, so that the hair dryer can deliver it again and let the heating box heat it again, so that the activated char is dried in a cycle. The output end of the suction fan is connected to the hair dryer, and a discharge pipe is provided at the bottom of the drying tank. The dried activated char is discharged from the discharge channel in the drying tank. A discharge valve is installed on the discharge pipe to control the opening and closing of the internal channel of the discharge pipe. The end of the discharge pipe is connected to an activation mechanism.

[0015] The activation mechanism includes an activation box, which is a container for activating the dried activated carbon coke discharged from the discharge pipe. A shelf is arranged inside the activation box to place the dried activated carbon coke discharged from the discharge pipe. A number of tiny holes are arranged on the main body of the activation box to facilitate full contact between water vapor and the dried and carbonized activated carbon coke, which is beneficial to improving the activation and regeneration efficiency of the activated carbon coke. The activation box is tilted inside the activation box, which is beneficial for the activated carbon coke after activation and regeneration to automatically enter the collection tank under its own gravity after opening the electric baffle. A heating seat is arranged at the bottom of the activation box, which is a heating device for performing graded heating on the discharged dried activated carbon coke. The decomposition rate of organic matter is controlled according to the temperature gradient, so that the organic matter is eliminated or transformed from the matrix of the activated coke in the form of volatilization, decomposition, carbonization and oxidation as the temperature rises, thereby improving the carbonization efficiency. The side wall of the activation box is connected with a steam pipe, and water vapor enters the channel inside the activation box. The end of the steam pipe is connected with a water tank, a water storage container, so that the heating plate heats the water, and the water is heated to become water vapor, which enters the activation box through the steam pipe and fully contacts with the carbonized activated carbon coke, so that the residual carbonized matter is gasified into gas, and at the same time, the micropores of the activated carbon coke are cleaned and new micropores are generated, so as to achieve the purpose of activating and regenerating the activated carbon coke. A water inlet pipe is arranged on the top of the water tank, and a water injection pipe in the water tank is arranged. A water inlet valve is installed on the water inlet pipe to control the opening and closing of the channel inside the water pipe. A heating plate and a heating structure are arranged at the bottom of the water tank to heat the water tank, thereby heating the water to achieve the purpose of producing water vapor, and provide water vapor for the activation and regeneration of the carbonized activated carbon coke. An exhaust gas treatment mechanism is arranged on the top of the activation box.

[0016] The waste gas treatment mechanism includes an exhaust pipe, which discharges the waste gas generated during the activation and regeneration of activated carbon coke into a pipe in the waste gas treatment box. The end of the exhaust pipe is connected to the waste gas treatment box. The structure for purifying the waste gas generated during the activation and regeneration of activated carbon coke effectively removes harmful substances in the waste gas and ensures that the emission meets the standards. The output end of the waste gas treatment box is provided with an outlet pipe, which is a discharge pipe for the gas that meets the standards;

[0017] A collecting mechanism is welded on one side of the activation box, and the collecting mechanism includes a collecting tank, a container for collecting activated carbon coke after activation and regeneration, a discharge pipe is connected to the bottom of the collecting tank, and a discharge channel for the activated carbon coke after activation and regeneration is provided. A discharge valve is provided on the discharge pipe to control the opening and closing of the internal channel of the discharge pipe.

[0018] The hair dryer, heating box, suction fan, discharge valve, discharging valve, heating seat, heating plate, water inlet valve and waste gas treatment box are electrically connected to the same PLC controller. Under the operation of the staff, the working status of each structure such as the hair dryer, heating box, suction fan, discharge valve, discharging valve, heating seat, heating plate, water inlet valve and waste gas treatment box can be adjusted automatically to make them work in coordination, so that the equipment can activate and regenerate the activated carbon coke that needs activation and regeneration treatment in the best state.

[0019] In summary, the beneficial effects produced by this application are as follows:

[0020] 1. Under the intelligent control of the PLC controller, the blower, heating box and suction fan are combined to operate, so that the hot air circulates to dry the activated carbon coke, thereby reducing energy consumption.

[0021] 2. In the process of activating and regenerating activated carbon coke, the heating seat adopts a multi-stage heating method for the dried activated carbon coke, controls the decomposition rate of organic matter according to the temperature gradient, and performs moderate heating treatment so that the organic matter is eliminated or transformed from the matrix of the activated carbon coke in the form of volatilization, decomposition, carbonization, and oxidation as the temperature rises, thereby improving the carbonization efficiency. Then, water vapor and oxidizing gas are used as activators to vaporize the residual carbonized matter into gas, while cleaning the micropores of the activated carbon coke and generating and adding new micropores, thereby improving the regeneration efficiency.

[0022] 3. All waste gas generated during the activation and regeneration process of activated carbon coke is discharged into the waste gas treatment mechanism, which is purified before being discharged, effectively removing harmful substances in the waste gas and ensuring that the emission meets the standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solution of the present application, the following is a brief introduction to the drawings required for use in the implementation cases. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0024] Figure 1 This is a schematic diagram of the structure of this application.

[0025] Figure 2 This is a schematic diagram of the PLC controller structure for this application.

[0026] Illustration Description:

[0027] Among them, 1-feed pipe, 2-drying tank, 3-blower, 4-heating box, 5-supply air pipe, 6-return air pipe, 7-suction fan, 8-discharge pipe, 9-discharge valve, 10-activation box, 11-shelf plate, 12-collection tank, 13-discharge pipe, 14-discharge valve, 15-heating seat, 16-water tank, 17-steam pipe, 18-heating plate, 19-water inlet pipe, 20-water inlet valve, 21-exhaust pipe, 22-exhaust treatment box, 23-exhaust pipe, 24-PLC controller. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

[0029] From the above technical solutions, we can know that:

[0030] Embodiment 1:

[0031] See also Figure 1 , Figure 2 .

[0032] An activated carbon coke recovery system comprises: a drying mechanism, an activation mechanism, an exhaust gas treatment mechanism and a collection mechanism, wherein the drying mechanism is a device for drying the activated carbon coke to be activated and regenerated, so that the water and part of the low-boiling-point organic matter adsorbed in the activated carbon coke particles are volatilized, which provides a basic support for the activation and regeneration of the activated carbon coke, and the activation mechanism is a device for carbonizing and activating the dried activated carbon coke, so that the organic matter is eliminated or transformed from the matrix of the activated carbon coke in the form of volatilization, decomposition, carbonization and oxidation as the temperature rises, and the residual carbonized matter is gasified into The activated carbon coke is activated and regenerated, so that the activated carbon coke can be recycled and reused, reducing resource waste and improving resource recycling rate. The waste gas treatment mechanism is a device for purifying the waste gas generated during the activation and regeneration of the activated carbon coke, removing harmful substances in the waste gas and ensuring that the emission meets the standards. The collection mechanism is a collection device for temporarily storing and collecting the activated carbon coke after activation and regeneration. The drying mechanism includes a feed pipe 1, and the activated carbon coke to be activated and regenerated enters the injection channel inside the equipment. The bottom of the feed pipe 1 is connected with a drying tank. 2. A container for drying the injected activated carbon coke that needs to be activated and regenerated. A hair dryer 3 is provided on the top of the drying tank 2. The kinetic energy output structure provides wind power during the drying process of the activated carbon coke. The output end of the hair dryer 3 is connected to a heating box 4. The structure heats the wind generated and output by the hair dryer 3 so as to better dry the activated carbon coke. The output end of the heating box 4 is connected to an air supply pipe 5. The hot air heated by the heating box 4 enters the pipeline in the drying tank 2. The end of the air supply pipe 5 is connected to the drying tank 2. The side wall of the drying tank 2 is provided with a return air pipe 6 to cool the activated carbon coke after drying. The air return duct 6 has an air suction fan 7 connected to the end thereof, and a kinetic energy output structure, which can be used in combination with the hair dryer 3 to recover the cooling air after drying the activated carbon coke and send it back to the hair dryer 3, so that the hair dryer 3 can transport it out again and let the heating box 4 heat it again, so as to dry the activated carbon coke in a cycle, the output end of the air suction fan 7 is connected to the hair dryer 3, and a discharge pipe 8 is provided at the bottom of the drying tank 2, and the dried activated carbon coke is discharged from the discharge channel in the drying tank 2, and a discharge valve 9 is installed on the discharge pipe 8 to control the opening and closing of the internal channel of the discharge pipe 8, and an activation mechanism is connected to the end of the discharge pipe 8;

[0033] The activation mechanism includes an activation box 10, which is a container for activating the dried activated carbon coke discharged from the discharge pipe 8. A shelf 11 is arranged inside the activation box 10 to place the dried activated carbon coke discharged from the discharge pipe 8. A plurality of tiny pores are arranged on the main body of the activation box 10 to facilitate the full contact between water vapor and the dried and carbonized activated carbon coke, which is beneficial to improving the activation and regeneration efficiency of the activated carbon coke. The activation box 10 is tilted inside the activation box 10, which is beneficial for the activated carbon coke after activation and regeneration to automatically enter the collection tank 12 under its own gravity after the electric baffle is opened. A heating seat 15 is arranged at the bottom of the activation box 10, which is a heating device for performing graded heating on the discharged dried activated carbon coke, and controls the decomposition rate of organic matter according to the temperature gradient, so that the organic matter is eliminated or transformed from the matrix of the activated carbon coke in the form of volatilization, decomposition, carbonization and oxidation as the temperature rises, thereby improving the carbonization efficiency. The side wall of the activation box 10 is connected with The steam pipe 17 is a passage for water vapor to enter the activation box 10. The end of the steam pipe 17 is connected to a water tank 16, a water storage container, so that the heating plate 18 heats the water, and the water is heated to become water vapor, and enters the activation box 10 through the steam pipe 17, and fully contacts with the carbonized activated carbon coke, so that the residual carbonized matter is gasified into gas, and at the same time, the micropores of the activated carbon coke are cleaned and new micropores are generated, so as to achieve the purpose of activating and regenerating the activated carbon coke. A water inlet pipe 19 is provided on the top of the water tank 16, and the water injection pipe in the water tank 16 is provided. A water inlet valve 20 is installed on the water inlet pipe 19 to control the opening and closing of the internal passage of the water pipe 19. A heating plate 18 is provided at the bottom of the water tank 16, and a heating structure is provided to heat the water tank 16, so as to heat the water, so as to achieve the purpose of producing water vapor, and provide water vapor for the activation and regeneration of the carbonized activated carbon coke. An exhaust gas treatment mechanism is provided on the top of the activation box 10;

[0034] The waste gas treatment mechanism includes an exhaust pipe 21, which discharges the waste gas generated during the activation and regeneration of the activated carbon coke into a pipe in the waste gas treatment box 22. The end of the exhaust pipe 21 is connected to the waste gas treatment box 22. The structure of purifying the waste gas generated during the activation and regeneration of the activated carbon coke effectively removes harmful substances in the waste gas and ensures that the emission meets the standards. The output end of the waste gas treatment box 22 is provided with an outlet pipe 23, which is a discharge pipe for the gas that meets the standards;

[0035] A collecting mechanism is welded to one side of the activation box 10, and the collecting mechanism includes a collecting tank 12, which is a container for collecting activated carbon coke after activation and regeneration. A discharge pipe 13 is connected to the bottom of the collecting tank 12, which is a discharge channel for the activated carbon coke after activation and regeneration. A discharge valve 14 is provided on the discharge pipe 13 to control the opening and closing of the internal channel of the discharge pipe 13.

[0036] The hair dryer 3, the heating box 4, the suction fan 7, the discharge valve 9, the discharge valve 14, the heating seat 15, the heating plate 18, the water inlet valve 20 and the waste gas treatment box 22 are electrically connected to the same PLC controller 24. Under the operation of the staff, the working status of each structure such as the hair dryer 3, the heating box 4, the suction fan 7, the discharge valve 9, the discharge valve 14, the heating seat 15, the heating plate 18, the water inlet valve 20 and the waste gas treatment box 22 can be adjusted automatically to make them work in coordination, so that the equipment can activate and regenerate the activated carbon coke that needs to be activated and regenerated in the best state.

[0037] As a preferred embodiment, the bottom of the drying tank 2 is "conical", which is conducive to the complete discharge of the dried activated carbon char into the activation box 10 and reduces the residual rate of activated carbon in the drying tank.

[0038] As a preferred embodiment, the shelf plate 11 is tilted, and after the electric baffle is opened, it is beneficial for the activated carbon coke after activation and regeneration to automatically enter the collection tank 12 under the action of its own gravity.

[0039] As a preferred embodiment, a plurality of tiny pores are provided on the shelf plate 11, which help the activated carbon coke on the shelf plate 11 to be heated in the air and contact with water vapor, thereby improving the activation efficiency.

[0040] As a preferred embodiment, an electric baffle is provided at the welding point between the collecting tank 12 and the activation box 10, which is electrically connected to the PLC controller 24. It is closed during the activation and regeneration process of the dried activated carbon coke to prevent the dry activated carbon coke from entering the collecting tank 12, and is opened after the activation and regeneration process of the dried activated carbon coke is completely completed to allow the activated and regenerated activated carbon coke to enter the collecting tank 12.

[0041] As a preferred embodiment, the PLC controller 24 includes a display screen and control buttons to display and control the working status of the blower 3, the heating box 4, the suction fan 7, the discharge valve 9, the discharge valve 14, the heating seat 15, the heating plate 18, the water inlet valve 20 and the exhaust gas treatment box 22, so that the various structures thereof can work together to achieve the purpose of optimally treating the activated carbon coke.

[0042] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the application disclosed herein. The present application is intended to cover any variations, uses or adaptations of the present application, which follow the general principles of the present application and include common knowledge or customary techniques in the art that are not disclosed in the present application. The specification and examples are intended to be exemplary only, and the true scope of the present application is indicated by the claims.

[0043] It should be understood that the present application is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The above-described embodiments of the present application do not constitute a limitation on the scope of protection of the present application.

Claims

1. An activated carbon char recovery system, comprising: A drying mechanism, an activation mechanism, an exhaust gas treatment mechanism and a collection mechanism, characterized in that the drying mechanism comprises a feed pipe (1), the bottom of the feed pipe (1) is connected to a drying tank (2), the top of the drying tank (2) is provided with a hair dryer (3), the output end of the hair dryer (3) is connected to a heating box (4), the output end of the heating box (4) is connected to an air supply pipe (5), the end of the air supply pipe (5) is connected to the drying tank (2), the side wall of the drying tank (2) is provided with a return air pipe (6), the upper end of the return air pipe (6) is connected to a suction fan (7), the output end of the suction fan (7) is connected to the hair dryer (3), the bottom of the drying tank (2) is provided with a discharge pipe (8), a discharge valve (9) is installed on the discharge pipe (8), and the end of the discharge pipe (8) is connected to the activation mechanism; The activation mechanism comprises an activation box (10), a shelf (11) is arranged inside the activation box (10), a heating seat (15) is arranged at the bottom of the activation box (10), a steam pipe (17) is connected to the side wall of the activation box (10), the end of the steam pipe (17) is connected to a water tank (16), a water inlet pipe (19) is arranged at the top of the water tank (16), a water inlet valve (20) is installed on the water inlet pipe (19), a heating plate (18) is arranged at the bottom of the water tank (16), and an exhaust gas treatment mechanism is arranged at the top of the activation box (10); The exhaust gas treatment mechanism comprises an exhaust pipe (21), the end of the exhaust pipe (21) is connected to an exhaust gas treatment box (22), and the output end of the exhaust gas treatment box (22) is provided with an exhaust pipe (23); A collecting mechanism is welded to one side of the activation box (10), the collecting mechanism comprising a collecting tank (12), a discharge pipe (13) is connected to the bottom of the collecting tank (12), and a discharge valve (14) is provided on the discharge pipe (13); The hair dryer (3), the heating box (4), the suction fan (7), the discharge valve (9), the discharge valve (14), the heating seat (15), the heating plate (18), the water inlet valve (20) and the waste gas treatment box (22) are electrically connected to the same PLC controller (24).

2. An activated carbon char recovery system according to claim 1, characterized in that: The bottom of the drying tank (2) is "conical".

3. The activated carbon char recovery system according to claim 1, characterized in that: The shelf plate (11) is arranged at an angle.

4. The activated carbon char recovery system according to claim 1, characterized in that: The shelf plate (11) is provided with a plurality of tiny holes.

5. The activated carbon char recovery system according to claim 1, characterized in that: An electric baffle is provided at the welding point between the collection tank (12) and the activation box (10), and is electrically connected to the PLC controller.

6. The activated carbon char recovery system according to claim 1, characterized in that: The PLC controller (24) comprises a display screen and control buttons.

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