A thermal regeneration activated carbon production line

Abstract

The utility model discloses a kind of activated carbon production lines of heat regeneration, it is related to activated carbon production equipment technical field, including feeding mechanism and heating regeneration mechanism, the heating regeneration mechanism includes feed tank, burner, kiln body, discharge tank, transmission motor and gear, in the utility model, hot air stream generated by burner is partly conveyed into kiln body, another part is conveyed between kiln body and inner tube by connecting pipe, hot air stream is evenly blown to activated carbon in inner tube by multiple groups of gas outlet holes, by improving the flow path of hot air stream, let hot air evenly distribute in inner tube, hot air stream evenly surrounds activated carbon flow, effectively improve heating uniformity, by setting screw rod in kiln body, inner tube inner wall is evenly fixedly connected with multiple guide plates along axis direction, screw rod keeps unmoved while kiln body, inner tube and multiple guide plates rotate at certain speed, guarantee the residence time and motion trajectory of activated carbon in kiln, make activated carbon and high-temperature flue gas fully contact.

Description

Technical Field

[0001] This utility model relates to the technical field of activated carbon production equipment, and in particular to a thermally regenerated activated carbon production line. Background Technology

[0002] Activated carbon, due to its well-developed pore structure and huge specific surface area, is widely used in many fields such as water treatment, waste gas treatment, and decolorization and refining of food and beverages. However, as the adsorption capacity of activated carbon gradually becomes saturated during use, its adsorption performance declines, requiring regeneration to restore its adsorption capacity, achieve reuse, and reduce production costs. Currently, there are various methods for activated carbon regeneration, among which thermal regeneration is the most widely used. Its principle is to use heating to volatilize, decompose, or carbonize the organic matter adsorbed by the activated carbon, thereby achieving the purpose of regeneration.

[0003] For example, Chinese patent CN215312413U discloses a thermal regeneration activated carbon production line, including a hot air furnace, a feeder, an oxygen control device, an activation pipeline, and a bag filter; the feed end and the discharge end of the activation pipeline are respectively equipped with an oxygen control device and a bag filter; the hot air furnace and the feeder are connected to the activation pipeline in sequence and are located near the feed end; the oxygen control device includes a blower and a disperser connected to the air outlet end of the blower, the disperser includes a body and a dispersing disc, the body is a cylinder with a hollow interior and an open top, the dispersing disc is circular, and multiple through holes are evenly distributed on the dispersing disc, which is located at the opening at one end of the body.

[0004] Traditional thermal regeneration equipment suffers from uneven heating during the heating process. The distribution of hot airflow inside the thermal regeneration furnace is difficult to achieve uniformity, resulting in significant differences in the heating of activated carbon within the furnace. The poor heating uniformity of activated carbon within the furnace leads to excessive burning of some activated carbon, resulting in a significant decrease in adsorption performance, while other parts are not fully regenerated and still retain a large amount of pollutants, failing to meet usage requirements. To address these issues, a thermal regeneration activated carbon production line is proposed. Utility Model Content

[0005] The purpose of this utility model is to solve the problems existing in the prior art and to propose a thermal regeneration activated carbon production line.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a thermal regeneration activated carbon production line, comprising a feeding mechanism and a heating and regeneration mechanism, wherein the heating and regeneration mechanism comprises a feeding box, a burner, a kiln body, a discharge box, a drive motor, and gears. The two ends of the kiln body are rotatably installed with the feeding box and the discharge box, respectively. An inner tube is fixedly connected to the inner wall of the kiln body, and an insulation layer is provided on the outer side of the kiln body. A gap is left between the kiln body and the inner tube. Multiple sets of air outlet holes are uniformly opened along the axial direction on the inner tube, and multiple sets of guide plates are uniformly fixedly connected to the inner wall of the inner tube along the axial direction. A connecting pipe is fixedly connected to one end of the burner, and one end of the connecting pipe extends to the space between the kiln body and the inner tube. A spiral rod is provided inside the inner tube, and one end of the spiral rod is fixedly installed with one end of the discharge box.

[0007] Preferably, a filter screen is fixedly connected to the inner side of the multiple sets of air outlets, the output end of the drive motor is fixedly connected to one end of the gear, and the outer wall of the kiln body meshes with the outer wall of the gear.

[0008] Preferably, the bottom of the feed box is welded to a base, and the bottom of the discharge box is welded to the top of the base.

[0009] Preferably, the bottom of the discharge box has a discharge hole, and the burner is fixedly installed on the outside of the feed box.

[0010] Preferably, the feeding mechanism includes a conveying pipe, a rotating motor, and a feeding pipe. One end of the conveying pipe is fixedly connected to the top of the feeding box, and the other end of the conveying pipe is fixedly installed to one end of the rotating motor.

[0011] Preferably, the conveying pipe is provided with a spiral conveying rod inside, and the output end of the rotating motor is fixedly connected to one end of the spiral conveying rod.

[0012] Preferably, the bottom of the feed pipe is fixedly connected to the top of the conveying pipe.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, multiple sets of air outlets are evenly opened along the axial direction on the inner tube. Part of the hot air flow generated by the burner is transmitted to the kiln body, and the other part is transmitted between the kiln body and the inner tube through the connecting pipe. The hot air flow is evenly blown into the activated carbon in the inner tube through the multiple sets of air outlets to provide heat for the rotary kiln. By improving the flow path of the hot air flow, the hot air is evenly distributed in the inner tube. The hot air flow evenly surrounds the activated carbon, enhancing the heat and mass transfer effect, effectively improving the heating uniformity, and reducing temperature dead zones.

[0015] 2. In this utility model, by setting a spiral rod in the kiln body, multiple sets of guide plates are uniformly fixedly connected to the inner wall of the inner tube along the axial direction. The spiral rod remains stationary while the kiln body, inner tube and multiple sets of guide plates rotate at a certain speed, so that the activated carbon moves forward while rotating in the kiln body, ensuring the residence time and movement trajectory of the activated carbon in the kiln, thereby enabling the activated carbon to fully contact the high-temperature flue gas and realize the thermal regeneration process. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a thermally regenerated activated carbon production line proposed in this utility model.

[0017] Figure 2 This is a top view of a thermal regeneration activated carbon production line proposed in this utility model.

[0018] Figure 3 This is a front sectional view of a thermally regenerated activated carbon production line proposed in this utility model.

[0019] Figure 4 This is a side sectional view of the kiln body of a thermal regeneration activated carbon production line proposed in this utility model.

[0020] Legend: 1. Feeding mechanism; 2. Heating and regeneration mechanism; 11. Conveying pipe; 12. Rotating motor; 13. Feeding pipe; 14. Screw conveyor; 21. Feed box; 22. Burner; 23. Kiln body; 24. Discharge box; 25. Base; 26. Drive motor; 27. Gear; 28. Inner tube; 29. ​​Air outlet; 210. Guide plate; 211. Screw rod; 212. Discharge hole; 213. Connecting pipe; 214. Filter screen; 215. Insulation layer. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1: As Figures 1-4As shown, this utility model provides a thermally regenerated activated carbon production line, including a feeding mechanism 1 and a heating and regeneration mechanism 2. The heating and regeneration mechanism 2 includes a feeding box 21, a burner 22, a kiln body 23, a discharge box 24, a drive motor 26, and gears 27. The two ends of the kiln body 23 are rotatably installed with the feeding box 21 and the discharge box 24, respectively. An inner tube 28 is fixedly connected to the inner wall of the kiln body 23, and a heat insulation layer 215 is provided on the outer side of the kiln body 23. A gap is left between the kiln body 23 and the inner tube 28. Multiple sets of air outlet holes 29 are evenly opened along the axial direction on the inner tube 28, and multiple sets of guide plates 210 are evenly fixedly connected along the axial direction on the inner wall of the inner tube 28. The burner 2... One end of the 2 is fixedly connected to a connecting pipe 213. One end of the connecting pipe 213 extends between the kiln body 23 and the inner pipe 28. The inner pipe 28 is provided with a spiral rod 211, and one end of the spiral rod 211 is fixedly installed with one end of the discharge box 24. The inner side of multiple sets of air outlets 29 is fixedly connected with a filter screen 214. The output end of the drive motor 26 is fixedly connected to one end of the gear 27. The outer wall of the kiln body 23 meshes with the outer wall of the gear 27. The bottom of the feed box 21 is welded with a base 25, and the bottom of the discharge box 24 is welded to the top of the base 25. The bottom of the discharge box 24 is provided with a discharge hole 212. The burner 22 is fixedly installed on the outside of the feed box 21.

[0024] The specific settings and functions of this embodiment are described below: The burner 22 and drive motor 26 are turned on. Based on the type of activated carbon and regeneration requirements, the heating temperature of the burner 22 and the rotation speed of the drive motor 26 are set through the control system. The drive motor 26 drives the gear 27 to rotate, thereby rotating the kiln body 23 and the inner tube 28. The burner 22 burns according to the set temperature and flame length. Part of the generated hot airflow is transferred to the kiln body 23, and the other part is transferred between the kiln body 23 and the inner tube 28 through the connecting pipe 213. The hot airflow is evenly blown into the activated carbon in the inner tube 28 through multiple sets of air outlets 29 (the filter screen 214 inside the air outlets 29 provides protection, allowing the hot airflow to be blown into the inner tube 28 while preventing activated carbon from entering the gap between the inner tube 28 and the kiln body 23), providing heat to the rotary kiln. By improving the flow path of the hot airflow, the hot air is evenly distributed in the inner tube 28, and the hot airflow flows evenly around the activated carbon, enhancing the heat and mass transfer effect, effectively improving heating uniformity, and reducing temperature dead zones.

[0025] By installing a spiral rod 211 inside the kiln body 23, and simultaneously opening multiple sets of air outlet holes 29 evenly along the axial direction on the inner tube 28, and evenly fixing multiple sets of guide plates 210 along the axial direction on the inner wall of the inner tube 28, the spiral rod 211 remains stationary while the kiln body 23, inner tube 28, and multiple sets of guide plates 210 rotate at a certain speed, causing the activated carbon to move forward while rotating inside the kiln body 23. This ensures the residence time and movement trajectory of the activated carbon in the kiln, thereby allowing the activated carbon to fully contact the high-temperature flue gas and achieve the thermal regeneration process. At the same time, a heat insulation layer 215 is installed on the outside of the kiln body 23. The heat insulation layer 215 uses a new type of heat insulation material, such as ceramic fiber felt, which has a low thermal conductivity and good heat insulation performance, effectively reducing heat loss. The regenerated activated carbon enters the cooling cylinder from the bottom discharge hole 212 of the discharge box 24 for cooling.

[0026] Example 2: Figures 1-3 As shown, the feeding mechanism 1 includes a conveying pipe 11, a rotating motor 12, and a feeding pipe 13. One end of the conveying pipe 11 is fixedly connected to the top of the feeding box 21, and the other end of the conveying pipe 11 is fixedly installed to one end of the rotating motor 12. A spiral conveying rod 14 is provided inside the conveying pipe 11. The output end of the rotating motor 12 is fixedly connected to one end of the spiral conveying rod 14. The bottom of the feeding pipe 13 is fixedly connected to the top of the conveying pipe 11.

[0027] The overall effect of this embodiment is that when the device is in use, the activated carbon to be regenerated is first poured into the feed pipe 13, the rotating motor 12 is started, the rotating motor 12 drives the screw conveyor 14 to rotate, thereby uniformly conveying the activated carbon into the kiln body 23.

[0028] The method of use and working principle of this device: Pour the activated carbon to be regenerated into the feed pipe 13, start the rotating motor 12, the rotating motor 12 drives the screw conveyor 14 to rotate, thereby uniformly conveying the activated carbon into the kiln body 23; the drive motor 26 drives the gear 27 to rotate, thereby driving the kiln body 23 and the inner tube 28 to rotate. Part of the hot air flow generated by the burner 22 is transferred to the kiln body 23, and the other part is transferred to the space between the kiln body 23 and the inner tube 28 through the connecting pipe 213. The hot air flow is evenly blown into the activated carbon in the inner tube 28 through multiple sets of air outlets 29. By improving the flow path of the hot air flow, the hot air flow evenly surrounds the activated carbon, improving the heating uniformity.

[0029] By installing a spiral rod 211 inside the kiln body 23, and uniformly fixing multiple sets of guide plates 210 along the axial direction on the inner wall of the inner tube 28, the spiral rod 211 remains stationary while the kiln body 23, the inner tube 28, and the multiple sets of guide plates 210 rotate at a certain speed, so that the activated carbon moves forward while rotating inside the kiln body 23, ensuring the residence time and movement trajectory of the activated carbon in the kiln, thereby enabling the activated carbon to fully contact the high-temperature flue gas and realize the thermal regeneration process; at the same time, a heat insulation layer 215 is installed on the outside of the kiln body 23, which can effectively reduce heat loss.

[0030] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A thermally regenerated activated carbon production line, comprising a feeding mechanism (1) and a heating and regeneration mechanism (2), wherein the heating and regeneration mechanism (2) comprises a feeding box (21), a burner (22), a kiln body (23), a discharge box (24), a drive motor (26), and gears (27), characterized in that: The two ends of the kiln body (23) are rotatably installed with the feed box (21) and the discharge box (24) respectively. The inner wall of the kiln body (23) is fixedly connected with an inner tube (28), and an insulation layer (215) is provided on the outer side of the kiln body (23). A gap is left between the kiln body (23) and the inner tube (28). Multiple sets of air outlet holes (29) are evenly opened along the axial direction on the inner tube (28), and multiple sets of guide plates (210) are evenly fixedly connected along the axial direction on the inner wall of the inner tube (28). One end of the burner (22) is fixedly connected to a connecting pipe (213), and one end of the connecting pipe (213) extends to the kiln body (23) and the inner tube (28). A spiral rod (211) is provided inside the inner tube (28), and one end of the spiral rod (211) is fixedly installed with one end of the discharge box (24).

2. The thermally regenerated activated carbon production line according to claim 1, characterized in that: A filter screen (214) is fixedly connected to the inner side of the multiple sets of air outlets (29), the output end of the drive motor (26) is fixedly connected to one end of the gear (27), and the outer wall of the kiln body (23) meshes with the outer wall of the gear (27).

3. The thermally regenerated activated carbon production line according to claim 1, characterized in that: The bottom of the feed box (21) is welded to a base (25), and the bottom of the discharge box (24) is welded to the top of the base (25).

4. The thermally regenerated activated carbon production line according to claim 1, characterized in that: The bottom of the discharge box (24) is provided with a discharge hole (212), and the burner (22) is fixedly installed on the outside of the feed box (21).

5. The thermally regenerated activated carbon production line according to claim 1, characterized in that: The feeding mechanism (1) includes a conveying pipe (11), a rotating motor (12) and a feeding pipe (13). One end of the conveying pipe (11) is fixedly connected to the top of the feeding box (21), and the other end of the conveying pipe (11) is fixedly installed to one end of the rotating motor (12).

6. The thermally regenerated activated carbon production line according to claim 5, characterized in that: The conveying pipe (11) is equipped with a spiral conveying rod (14), and the output end of the rotating motor (12) is fixedly connected to one end of the spiral conveying rod (14).

7. The thermally regenerated activated carbon production line according to claim 5, characterized in that: The bottom of the feed pipe (13) is fixedly connected to the top of the conveying pipe (11).

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