A preliminary treatment device for spent activated carbon

Abstract

The utility model relates to activated carbon treatment technical field, and the specific field is a kind of waste activated carbon preliminary treatment device, to solve the technical problem of the easy crushing of waste activated carbon washing, the separation of the simultaneous influence of the adsorption performance after regeneration is not convenient, it includes: spray box, feed inlet, belt conveyor, conveying roller, conveying roller, belt, shaping roller, shaping sliding slot, shaping piece, liquid hole, by the cooperation of shaping piece and shaping roller, the upper layer belt is shaped into corrugated shape, the waste activated carbon is in flow state in the conveying process of corrugated belt, under the spray effect from top to bottom of spray mechanism, waste activated carbon can be sprayed without dead angle, there is no situation that only upper layer activated carbon is sprayed in conveying, and waste activated carbon will not be broken in flow process, and the spray liquid is discharged through liquid hole, it is convenient to separate with liquid while not affecting the adsorption performance after regeneration.

Description

Technical Field

[0001] This utility model relates to the field of activated carbon treatment technology, specifically to a preliminary treatment device for waste activated carbon. Background Technology

[0002] Activated carbon possesses a highly developed pore structure and a large specific surface area, resulting in strong adsorption properties. It is widely used in numerous fields, including industrial production, environmental protection, food processing, and medicine. For example, it is used in chemical production to separate and purify compounds; in wastewater treatment to remove organic matter, heavy metal ions, and odors from water; and in air purification to adsorb harmful gases and particulate matter. However, during use, as adsorbates accumulate, the adsorption capacity of activated carbon gradually decreases until it loses its adsorption activity, becoming waste activated carbon. Statistics show that the amount of waste activated carbon generated globally each year is enormous and is increasing annually.

[0003] Currently, some preliminary treatment technologies have been applied for the treatment of waste activated carbon, such as simple physical methods like filtration and sieving, as well as chemical methods like acid and alkali treatment. Washing can effectively remove water-soluble impurities, some organic matter, and dust from the surface of the activated carbon.

[0004] In existing technologies using the washing method, waste activated carbon enters from the top of the washing tower and moves downwards under gravity, coming into countercurrent contact with the washing liquid sprayed upwards from the bottom of the tower. Impurities are dissolved or adsorbed by the washing liquid, thereby achieving purification. However, the crushed waste activated carbon particles are of varying sizes and irregular shapes, which increases the difficulty of subsequent separation of activated carbon from the washing liquid. On the other hand, the crushing damages the original pore structure of the activated carbon, reducing the degree of recovery of its adsorption performance. Utility Model Content

[0005] This invention addresses the technical problem that waste activated carbon is easily crushed during washing, making separation difficult and affecting its adsorption performance after regeneration. It provides a preliminary treatment device for waste activated carbon.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A preliminary treatment device for waste activated carbon, comprising: a spray box, with an inlet at one end of the spray box, and a conveying start end of a belt conveyor located below the inlet. The belt conveyor is horizontally connected inside the spray box, and a spraying mechanism is connected to the top wall of the spray box. The spraying mechanism can spray onto the upper surface of the belt conveyor, and the conveying end of the belt conveyor extends to the outside of the spray box through a discharge port located on the side wall of the spray box. The machine includes conveyor rollers, which are connected by a belt on both sides. The inner surface of the belt is in contact with the shaping roller. The shaft ends of both the conveyor roller and the shaping roller are rotatably connected to the side wall of the spray box. Shaping grooves are provided on both sides of the belt. Shaping sheets are slidably connected in the shaping grooves of the upper belt. The shaping sheets are connected to the inner wall of the spray box. There are multiple shaping sheets and shaping rollers. The height of the shaping rollers is higher than that of the shaping sheets. Multiple shaping rollers and shaping sheets are alternately arranged on the upper part of the belt. Liquid holes are provided on the belt. The diameter of the liquid holes is smaller than the minimum particle size of activated carbon.

[0007] Preferably, baffles are evenly distributed on the outer surface of the belt.

[0008] Preferably, the spraying mechanism includes a liquid inlet pipe, one end of which is connected to a liquid pump, and the other end of which is connected to the upper part of a water tank. Multiple spray pipes are connected to the lower part of the water tank. The multiple spray pipes are horizontally distributed on the upper part of the belt conveyor, and each spray pipe is equipped with a nozzle at its lower part.

[0009] Preferably, the bottom wall of the spray box is inclined, and the side wall of the spray box at the lowest point of the inclined surface is provided with a liquid outlet, and the side wall of the liquid outlet is arranged opposite to the side wall of the discharge port.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] The upper belt is shaped into a corrugated shape by the combination of shaping sheet and shaping roller. During the conveying process, the waste activated carbon is in a flowing state. Under the spraying action of the spraying mechanism from top to bottom, the waste activated carbon can be sprayed without leaving any dead corners. It will not be the case that only the upper layer of activated carbon is sprayed during the conveying process. Moreover, the waste activated carbon will not break during the flow process. The sprayed liquid is discharged through the liquid hole, which is convenient for separation from the liquid and does not affect the adsorption performance after regeneration.

[0012] The baffle is designed to prevent the waste activated carbon from slipping during the conveying process, thus affecting the processing efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ;

[0014] Figure 2 This is a schematic cross-sectional view of the structure of this utility model;

[0015] Figure 3This is an exploded view of the structure of this utility model.

[0016] In the diagram: 1. Spray box; 2. Feed inlet; 3. Belt conveyor; 31. Conveyor roller; 32. Belt; 33. Shaping roller; 34. Shaping chute; 35. Shaping sheet; 36. Liquid hole; 37. Baffle; 4. Spraying mechanism; 41. Liquid pipe; 42. Water tank; 43. Spray pipe; 44. Nozzle; 5. Discharge port; 6. Liquid outlet. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] The rotary connection described in this device refers to the axial fixation of the bearing by mounting the bearing on the shaft, with a spring retaining ring groove provided on the shaft or shaft hole, and the rotation achieved by locking the elastic retaining ring in the retaining ring groove; the hinge connection refers to the connection method that allows movement through connecting parts such as hinges, pins, and short shafts.

[0019] The present invention will now be described in detail with reference to the accompanying drawings.

[0020] The following is in conjunction with the appendix Figure 1-3 This embodiment describes a preliminary treatment device for waste activated carbon, comprising: a spray box 1, with an inlet 2 at one end of the spray box 1, and a conveying start end of a belt conveyor 3 located below the inlet 2. The belt conveyor 3 is horizontally connected inside the spray box 1, and a spraying mechanism 4 is connected to the top wall of the spray box 1. The spraying mechanism 4 can spray onto the upper surface of the belt conveyor 3. The conveying end of the belt conveyor 3 extends to the outside of the spray box 1 through a discharge port 5, which is located on the side wall of the spray box 1. The belt conveyor 3 includes conveying rollers 31, and the two conveying rollers 31 are connected by belts 32. The inner surface of the belt 32 is in contact with the shaping roller 33. The shaft ends of the conveying roller 31 and the shaping roller 33 are rotatably connected to the side wall of the spray box 1. Shaping grooves 34 are provided on both sides of the belt 32. Shaping sheets 35 are slidably connected in the shaping grooves 34 of the upper belt 32. The shaping sheets 35 are connected to the inner wall of the spray box 1. There are multiple shaping sheets 35 and shaping rollers 33. The height of the shaping rollers 33 is higher than that of the shaping sheets 35. Multiple shaping rollers 33 and shaping sheets 35 are alternately arranged on the upper part of the belt 32. Liquid holes 36 are provided on the belt 32. The diameter of the liquid holes 36 is smaller than the minimum particle size of activated carbon.

[0021] Waste activated carbon is injected into the spray box 1 through the feed inlet 2. The power connected to the conveyor roller 31 is turned on, and the power drives the belt 32 to rotate through the conveyor roller 31. The belt 32 transports the waste activated carbon. The shaping sheet 35 is located inside the shaping chute 34 and cooperates with the shaping roller 33 to change the belt 32, shaping the upper belt 32 into a corrugated shape. The corrugated belt 32 keeps the waste activated carbon in a flowing state during the conveying process. Under the spraying action of the spraying mechanism 4 from top to bottom, the waste activated carbon can be sprayed without leaving any dead corners. There will be no situation where only the upper layer of activated carbon is sprayed during the conveying process, and the waste activated carbon will not break during the flow. The sprayed liquid is discharged through the liquid hole 36 on the belt 32, which facilitates separation from the liquid and does not affect the adsorption performance after regeneration.

[0022] Baffles 37 are evenly distributed on the outer surface of the belt 32.

[0023] The baffle 37 is designed to prevent the waste activated carbon from slipping during the conveying process, thus affecting the processing efficiency.

[0024] The spraying mechanism 4 includes an inlet pipe 41, one end of which is connected to a liquid pump, and the other end of which is connected to the upper part of a water tank 42. The lower part of the water tank 42 is connected to multiple spray pipes 43, which are horizontally distributed on the upper part of the belt conveyor 3. Each spray pipe 43 is equipped with a nozzle 44 at its lower part.

[0025] The liquid pump pumps the spray liquid into the water tank 42 through the inlet pipe 41, and then sprays it out through the spray pipe 43 and nozzle 44 at the bottom of the water tank 42, covering the waste activated carbon conveyed below.

[0026] The bottom wall of the spray box 1 is inclined, and the side wall of the spray box 1 at the lowest point of the inclined surface is provided with a liquid outlet 6. The side wall of the liquid outlet 6 is set opposite to the side wall of the discharge port 5.

[0027] The spray liquid carrying impurities flows along the inclined surface of the bottom wall of the spray box 1 and is discharged through the outlet 6. The side wall of the outlet 6 is set opposite to the side wall of the discharge port 5, so as to reasonably allocate space and facilitate the separate collection of activated carbon and spray liquid.

[0028] In the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0029] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0030] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A preliminary treatment device for waste activated carbon, comprising: A spray box (1) has a feed inlet (2) at one end. The feed inlet (2) is located at the bottom of the feed inlet (2) and is the starting end of a belt conveyor (3). The belt conveyor (3) is horizontally connected to the inside of the spray box (1). A spraying mechanism (4) is connected to the top wall of the spray box (1). The spraying mechanism (4) can spray water onto the upper surface of the belt conveyor (3). The end of the belt conveyor (3) extends to the outside of the spray box (1) through a discharge port (5). The discharge port (5) is located on the side wall of the spray box (1). The belt conveyor (3) is characterized by: conveying rollers (31), conveying rollers (31) on both sides are connected by belt (32), the inner surface of the belt (32) is in contact with the shaping roller (33), the shaft ends of conveying rollers (31) and shaping rollers (33) are rotatably connected to the side wall of spray box (1), shaping grooves (34) are provided on both sides of belt (32), shaping pieces (35) are slidably connected in the shaping grooves (34) of the upper belt (32), shaping pieces (35) are connected to the inner wall of spray box (1), shaping pieces (35) and shaping rollers (33) are provided in multiple ways, the height of shaping rollers (33) is higher than that of shaping pieces (35), multiple shaping rollers (33) and shaping pieces (35) are alternately arranged on the upper part of belt (32), and liquid holes (36) are provided on belt (32), the diameter of liquid holes (36) is smaller than the minimum particle size of activated carbon.

2. The preliminary treatment device for waste activated carbon according to claim 1, characterized in that: The outer surface of the belt (32) is evenly connected with baffles (37).

3. The preliminary treatment device for waste activated carbon according to claim 1, characterized in that: The spraying mechanism (4) includes an inlet pipe (41), one end of which is connected to a liquid pump, and the other end of which is connected to the upper part of a water tank (42). The lower part of the water tank (42) is connected to multiple spray pipes (43), which are horizontally distributed on the upper part of the belt conveyor (3). Each spray pipe (43) is equipped with a nozzle (44) at its lower part.

4. The preliminary treatment device for waste activated carbon according to claim 1, characterized in that: The bottom wall of the spray box (1) is inclined, and the side wall of the spray box (1) at the lowest point of the inclined surface is provided with a liquid outlet (6). The side wall of the liquid outlet (6) is set opposite to the side wall of the discharge port (5).

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