CN211936198U

CN211936198U - Waste gas treatment device in waste lithium battery treatment

Info

Publication number: CN211936198U
Application number: CN202020409068.6U
Authority: CN
Inventors: 苏瑞娟
Original assignee: GANSU VOCATIONAL & TECHNICAL COLLEGE OF NONFERROUS METALLURGY
Current assignee: GANSU VOCATIONAL & TECHNICAL COLLEGE OF NONFERROUS METALLURGY
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-11-17
Anticipated expiration: 2030-03-26

Abstract

The utility model relates to a battery waste gas treatment field discloses a waste gas treatment device among old and useless lithium cell treatment, including the barrel, the barrel lower part is provided with the air inlet, and the barrel top is provided with the gas outlet, and the barrel is inside from last to having set gradually first filter layer, spray set, second filter layer, guiding device and sedimentation tank down, the air inlet sets up on the barrel lateral wall between guiding device and sedimentation tank, and guiding device is the heliciform, and by second filter layer bottom spiral drop to air inlet department, is provided with a plurality of atomising heads on the spray set. When the utility model is used for treating waste gas, solid particles in the waste gas are absorbed into the sedimentation basin under the action of the treatment liquid, and the solid particles can be further removed under the action of the second filter layer and the first filter layer; the spiral flow guide device increases the circulation path of the waste gas, increases the contact area of the waste gas and the treatment liquid, and improves the treatment effect of the treatment liquid on the waste gas.

Description

Waste gas treatment device in waste lithium battery treatment

Technical Field

The utility model relates to a battery exhaust-gas treatment technical field particularly, relates to a waste gas treatment device among old and useless lithium cell processing.

Background

In old and useless lithium cell recovery process, especially to the crushing screening process of old and useless battery, can produce a large amount of battery powder dust and toxic gas, contain a large amount of poisonous heavy metals in the dust, contain a large amount of harmful gas in the gas, current processing technology generally adopts general dust collecting equipment to remove the dust, and gas directly lets in aquatic and removes harmful gas, nevertheless adopts such modes can't get rid of solid matter such as dust and harmful gas totally, has caused very big harm to the environment.

Chinese patent CN207950933U discloses an organic waste gas treatment system produced in the lithium battery recovery process, which comprises a bag type dust collector, a blower, catalytic combustion equipment and an alkali pool, wherein the bag type dust collector, the catalytic combustion equipment and the alkali pool are adopted, so that solid particles are removed by filtering, carbonate combustible gas is oxidized and combusted into carbon dioxide and water by catalytic combustion, and the carbon dioxide and the water are removed by absorption of the alkali pool; however, the filter bag in the bag type dust collector only blocks the solid, dust and the like passing through the inlet out of the filter bag, so that all solid and dust particles cannot be discharged completely, and even the solid and dust particles in the bag type dust collector can be lifted again in the ventilation process, so that the environment in the bag type dust collector is disordered to influence the circulation and removal effect of the waste gas; in addition, when the waste gas is discharged through the waste gas outlet, solid and dust particles can be entrained into the catalytic combustion equipment, and the treatment effect of the waste gas is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste gas treatment device among old and useless lithium cell processing, it can detach solid particle in the waste gas, ensures the circulation and the treatment effect of waste gas.

The embodiment of the utility model is realized like this:

the utility model provides a waste gas treatment device in old and useless lithium cell processing, includes the barrel, the barrel lower part is provided with the air inlet, the barrel top is provided with the gas outlet, the barrel is inside from last to having set gradually first filter layer, spray set, second filter layer, guiding device and sedimentation tank down, the air inlet set up in on the barrel lateral wall between guiding device and the sedimentation tank, guiding device is the heliciform, and descends to air inlet department by second filter layer bottom spiral, the last a plurality of atomising heads that are provided with of spray set.

Furthermore, two guide plates are arranged between the sedimentation tank and the flow guide device, and the guide plates are obliquely arranged on two sides of the inner wall of the cylinder body in a downward manner; guide plate one end is articulated through hinge plate and barrel inner wall, the other end lateral wall of guide plate articulates there is the telescopic link, telescopic link one end with the guide plate is articulated, the telescopic link other end and barrel inner wall connection, be provided with expanding spring on the telescopic link.

Furthermore, one side of the sedimentation tank is connected with a liquid circulation tank, and a filter tank is arranged between the sedimentation tank and the liquid circulation tank.

Furthermore, a water pump is arranged in the liquid circulation tank and is connected with a spraying device through a spraying water supply pipe.

Furthermore, an active carbon filter filler is arranged in the filter tank.

Furthermore, a blocking plate is arranged at the joint of the air inlet and the inner wall of the barrel body and is positioned above the air inlet and is inclined downwards.

Furthermore, one side of the sedimentation tank is provided with a cleaning hole.

Further, the first filter layer is an activated carbon filter layer, and the second filter layer is a biological filler layer.

The utility model has the advantages that:

in the process of waste gas treatment, solid particles in the waste gas are absorbed into the sedimentation tank under the action of the treatment liquid, and can be further removed under the action of the second filter layer and the first filter layer; the spiral flow guide device increases the circulation path of the waste gas, increases the contact area of the waste gas and the treatment liquid, and greatly improves the treatment effect of the treatment liquid on the waste gas and simultaneously completely settles the solid particles in the waste gas into the settling basin at the bottom of the cylinder body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an exhaust gas treatment device provided by an embodiment of the present invention.

Icon: 1-an air outlet, 2-a barrel, 3-a first filter layer, 4-a spray device, 5-a spray head, 6-a second filter layer, 7-a flow guide device, 8-a blocking plate, 9-an air inlet, 10-a hinged disc, 11-a flow guide plate, 12-a telescopic spring, 13-a telescopic rod, 14-a clearing opening, 15-a settling tank, 16-a filter tank, 17-activated carbon filter filler, 18-a water pump, 19-a liquid circulation tank and 20-a spray water supply pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1, the present embodiment provides a waste gas treatment device in waste lithium battery treatment, including a cylinder 2, an air inlet 9 is provided at the lower part of the cylinder 2, an air outlet 1 is provided at the top of the cylinder 2, a first filter layer 3, a spraying device 4, a second filter layer 6, a flow guide device 7 and a sedimentation tank 15 are sequentially provided inside the cylinder 2 from top to bottom, the air inlet 9 is provided on the side wall of the cylinder 2 between the flow guide device 7 and the sedimentation tank 15, the flow guide device 7 is spiral and spirally descends to the air inlet 9 from the bottom of the second filter layer 6, and a plurality of spray heads 5 are provided on the spraying device 4.

The working principle is as follows: the utility model discloses when using, pass through pipe connection to air inlet 9 with the waste gas that produces among the lithium cell treatment process, waste gas lets in barrel 2 and up-rises, the treatment fluid passes through spray head 5 of spray set 4 and spouts on second filter layer 6, the treatment fluid that spouts two filter layers continues down-flow, waste gas is at the in-process of circulating to gas outlet 1 this moment, circulate from bottom to top through spiral helicine guiding device 7, spiral helicine guiding device 7 can be the auger delivery board, the theory of action is unanimous with the auger delivery ware, waste gas collides with top-down's treatment fluid, get rid of the harmful substance in the waste gas and subside downwards, spiral helicine guiding device 7 has increased the circulation route of waste gas, the area of contact of waste gas with treatment fluid has been increased simultaneously, consequently, the treatment effect of treatment fluid to waste gas has been improved greatly; meanwhile, solid particles in the waste gas are settled in the sedimentation tank 15, and when the waste gas flows from bottom to top, the waste gas is further filtered and adsorbed by the second filter layer 6 and the first filter layer 3, so that the treatment effect of the waste gas is ensured. In the process of waste gas treatment, solid particles in waste gas are absorbed into the sedimentation tank 15 under the action of the treatment liquid, and simultaneously, the solid particles can be further removed under the action of the second filter layer 6 and the first filter layer 3, so that the solid particles in the waste gas are completely settled into the sedimentation tank 15 at the bottom of the cylinder body 2 while the discharged waste gas is ensured to be treated cleanly.

In this embodiment, two guide plates 11 are further disposed between the sedimentation basin 15 and the flow guide device 7, and the guide plates 11 are disposed in a downward-inclined manner on two sides of the inner wall of the cylinder 2; one end of the guide plate 11 is hinged with the inner wall of the barrel body 2 through a hinge plate 10, the side wall of the other end of the guide plate 11 is hinged with a telescopic rod 13, one end of the telescopic rod 13 is hinged with the guide plate 11, the other end of the telescopic rod 13 is connected with the inner wall of the barrel body 2, and a telescopic spring 12 is arranged on the telescopic rod 13; when the shower water of top descends to guide plate 11, bulldoze the guide plate 11 of both sides to both sides under the effect of gravity for the separation forms a circulation passageway between two guide plates 11, and the shower water can fall to sedimentation tank 15, will smuggle the waste water collection of solid, dust particle secretly in sedimentation tank 15, carries out subsequent retreatment.

In this embodiment, a liquid circulation tank 19 is connected to one side of the settling tank 15, and a filtering tank 16 is further disposed between the settling tank 15 and the liquid circulation tank 19. The wastewater with solid and dust particles settles in the settling tank 15 under the action of gravity, the liquid circulates to the liquid circulation tank 19 through a pipeline, and in the circulating process, the liquid is further filtered by the filter tank 16, impurities in the liquid are further filtered and settled, and the liquid entering the liquid circulation tank 19 can be recycled.

In this embodiment, a water pump 18 is disposed in the liquid circulation tank 19, the water pump 18 is connected to the spraying device 4 through a spraying water supply pipe 20, the filtered liquid enters the liquid circulation tank 19, and is conveyed to the spraying device 4 through a spraying water pipe under the action of the water pump 18, so as to spray and wash the exhaust gas in the cylinder 2.

In this embodiment, an activated carbon filter filler 17 is disposed in the filter tank 16, and the activated carbon filter filler 17 adsorbs and removes solid dust particles in the exhaust gas.

In this embodiment, the junction of air inlet 9 and barrel 2 inner wall is provided with baffle 8, baffle 8 is located air inlet 9 top and downward sloping setting prevent that the shower water of top from flowing into in the air inlet 9.

In this embodiment, a cleaning opening 14 is formed in one side of the sedimentation tank 15, so that a user can clean solid particles settled in the sedimentation tank 15 conveniently.

In this embodiment, the first filter layer 3 is an activated carbon filter layer, and the second filter layer 6 is a bio-filler layer.

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

1. The utility model provides a waste gas treatment device in old and useless lithium cell processing, includes barrel (2), its characterized in that, barrel (2) lower part is provided with air inlet (9), barrel (2) top is provided with gas outlet (1), barrel (2) are inside from last to having set gradually first filter layer (3), spray set (4), second filter layer (6), guiding device (7) and sedimentation tank (15) down, air inlet (9) set up in on barrel (2) lateral wall between guiding device (7) and sedimentation tank (15), guiding device (7) are the heliciform, and descend to air inlet (9) department by second filter layer (6) bottom spiral, be provided with a plurality of atomising heads (5) on spray set (4).

2. The waste gas treatment device in the treatment of the waste lithium batteries according to claim 1, wherein two flow guide plates (11) are further arranged between the sedimentation basin (15) and the flow guide device (7), and the flow guide plates (11) are obliquely arranged on two sides of the inner wall of the cylinder body (2) in a downward manner; guide plate (11) one end is articulated through articulated dish (10) and barrel (2) inner wall, the other end lateral wall of guide plate (11) articulates there is telescopic link (13), telescopic link (13) one end with guide plate (11) are articulated, telescopic link (13) other end and barrel (2) inner wall connection, be provided with expanding spring (12) on telescopic link (13).

3. The waste gas treatment device in the waste lithium battery treatment according to claim 2, wherein a liquid circulation tank (19) is connected to one side of the sedimentation tank (15), and a filter tank (16) is further arranged between the sedimentation tank (15) and the liquid circulation tank (19).

4. The waste gas treatment device in the waste lithium battery treatment according to claim 3, wherein a water pump (18) is arranged in the liquid circulation tank (19), and the water pump (18) is connected with the spraying device (4) through a spraying water supply pipe (20).

5. The waste gas treatment device in the waste lithium battery treatment according to claim 3, characterized in that the filter tank (16) is internally provided with an activated carbon filter filler (17).

6. The waste gas treatment device in the waste lithium battery treatment according to claim 1, wherein a blocking plate (8) is arranged at the joint of the air inlet (9) and the inner wall of the cylinder body (2), and the blocking plate (8) is positioned above the air inlet (9) and is arranged in a downward inclined manner.

7. The waste gas treatment device in the waste lithium battery treatment according to claim 2, characterized in that a cleaning opening (14) is arranged on one side of the sedimentation tank (15).

8. The waste gas treatment device in the treatment of the waste lithium batteries according to claim 1, wherein the first filter layer (3) is an activated carbon filter layer, and the second filter layer (6) is a biological filler layer.