Acid preparation device applied to lithium battery recovery

Abstract

The utility model relates to the technical field of acid preparation devices, and discloses an acid preparation device applied to lithium battery recovery, which comprises a gas filter box, an upper cover and a receiving box, the receiving box is positioned in the gas filter box, a plurality of exhaust holes are arranged at the bottom of the receiving box, a filter layer is arranged at the top of each exhaust hole, and the upper cover is arranged at the bottom of the receiving box. The filtering layer is laid in the receiving box, the upper cover is located at the top of the filtering layer and fixedly connected to the top of the gas filtering box through bolts, the top of the upper cover is fixedly connected with a first smoke inlet pipe and a second smoke inlet pipe, and the top ends of the first smoke inlet pipe and the second smoke inlet pipe are fixedly connected with smoke pipes. Acid gas in the acid preparation tank and the storage tank is exhausted into the gas filter box through the flue gas pipe, harmful substances are filtered by the acid gas through the filter layer, so that the acid gas is purified, the purified gas enters the exhaust cavity through the exhaust hole and then is exhausted out of the gas filter box through the vent hole, and the filter layer is convenient to replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to acid mixing device technical field especially application in lithium battery recycling's acid mixing device. BACKGROUND

[0002] The acid mixing device adopts dilution, stirring, sequential acid adding, rapid cooling, fully closed operation, does not need to use compressed air, avoids the carrying of dust, therefore the quality of the prepared acid liquid is good, the purity is high, the area required in the acid mixing workshop is small, there is no acid mist pollution, the operation is safe and reliable, and the whole system of the device is made of wet-resistant and acid-resistant composite materials.

[0003] The existing acid mixing device for lithium battery recycling produces acid mist in the acid mixing process, the acid mist is harmful to the human body, and after inhaling the acid mist, symptoms such as nausea, vomiting, abdominal pain, and diarrhea of the digestive system occur. When the filling pipe opening of the acid mixing tank is opened or the stirrer is disassembled, the acid mist will spread in the air, which is not conducive to the work of the workers. Moreover, the acid liquid is mixed in the sealed tank, but the stirrer is installed inside the sealed tank, and the stirrer will be corroded by the acid liquid after long-term immersion, which affects both the acid liquid and the stirrer. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the shortcomings in the prior art and provides an acid mixing device applied to lithium battery recycling.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An acid mixing device applied to lithium battery recycling, comprising a gas filtering box, an upper cover and a receiving box, the receiving box is located inside the gas filtering box, a plurality of exhaust holes are formed in the bottom of the receiving box, a filter layer is arranged on the top of the exhaust holes, the filter layer is arranged inside the receiving box, the upper cover is located on the top of the filter layer, the upper cover is fixedly connected to the top of the gas filtering box through bolts, a first smoke inlet pipe and a second smoke inlet pipe are fixedly connected to the top of the upper cover, a smoke pipe is fixedly connected to the top end of the first smoke inlet pipe and the second smoke inlet pipe, a plurality of electric push rods are fixedly installed inside the gas filtering box, a groove is formed in the bottom of the receiving box, the extension end of the electric push rod penetrates through the partition plate of the gas filtering box and is inserted into the groove in the bottom of the receiving box, an exhaust cavity is formed in the bottom end of the gas filtering box, the exhaust cavity is located at the bottom of the exhaust hole, a plurality of ventilation holes are formed in the outside of the bottom end of the gas filtering box, and the ventilation holes are connected with the exhaust cavity.

[0007] As a further scheme of the utility model, an acid mixing tank is arranged on the back side of the gas filtering box, a first smoke exhaust pipe and a filling pipe are fixedly installed on the top of the acid mixing tank, a driving motor is arranged between the first smoke exhaust pipe and the filling pipe, and the driving motor is fixedly connected to the top of the acid mixing tank.

[0008] As a further scheme of the utility model, the acid mixing tank is internally provided with a stirrer, the top end of the stirrer penetrates through the top of the acid mixing tank and is fixedly connected to the output end of the driving motor, one side of the acid mixing tank is provided with a storage tank, and the top of the storage tank is fixedly connected with a liquid inlet pipe and a second smoke exhaust pipe.

[0009] As a further scheme of the utility model, the second smoke exhaust pipe and the first smoke exhaust pipe top are respectively fixedly connected with a flue gas pipe, and the inside of the liquid inlet pipe is connected with a conveying pipe, and one end of the conveying pipe away from the liquid inlet pipe is fixedly connected to the bottom of the acid mixing tank.

[0010] As a further scheme of the utility model, one side of the bottom end of the acid mixing tank is provided with a machine base, a circular groove is formed in the top of the machine base, a slot is formed in the outside of the machine base, the slot is connected with the circular groove, and the bottom of the storage tank is inserted into the circular groove.

[0011] As a further scheme of the utility model, the back side of the storage tank is provided with a central control box, the central control box is located at one side of the gas filter box, the bottom of the storage tank is provided with a base, the central control box, the machine base and the bottom of the acid mixing tank are all fixedly connected to the top of the base, and the gas filter box is located on the top of the base.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1. The acid gas in the acid mixing tank and the storage tank is discharged into the inside of the gas filter box through the flue gas pipe, the filter layer filters the harmful substances in the acid gas, the acid gas is filtered and purified, the acid gas is prevented from diffusing in the air, the work staff is prevented from approaching the work, the purified gas enters the exhaust cavity through the exhaust hole, and then is discharged from the gas filter box through the air hole, in order to facilitate the replacement of the filter layer, the work staff uses a tool to disassemble the bolt, opens the upper cover, the work staff starts the electric push rod through the central control box, the telescopic end of the electric push rod drives the receiving box to move upwards, the receiving box is moved out of the gas filter box, and the work staff is facilitated to replace and clean the filter layer.

[0014] 2. The work staff pours the acid liquid raw material into the inside of the acid mixing tank through the pouring pipe, then starts the driving motor, the output end of the driving motor drives the stirrer to rotate in the acid mixing tank, the raw material is fully mixed, after the acid liquid is mixed, the work staff opens the control valve, the acid liquid is discharged into the inside of the storage tank through the conveying pipe, the stirrer is prevented from being corroded by long-term immersion in the acid liquid, the slot is formed in the top of the machine base, the fork rod of the forklift drives the storage tank to move into the slot, the storage tank is placed in the circular groove on the top of the machine base, the forklift drives the fork rod to move out of the slot, the installation and fixation of the storage tank are facilitated, and the work staff is prevented from carrying the storage tank. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic diagram of a device for mixing acid applied to lithium battery recycling is provided in the utility model.

[0016] Figure 2 A cross-sectional view schematic diagram of a filter box of a device for mixing acid applied to lithium battery recycling is provided in the utility model.

[0017] Figure 3 A structure schematic diagram of a receiving box of a device for mixing acid applied to lithium battery recycling is provided in the utility model.

[0018] Figure 4 A structure schematic diagram of a storage tank of a device for mixing acid applied to lithium battery recycling is provided in the utility model.

[0019] In the figure: 1, gas filter box; 101, exhaust cavity; 102, air vent; 2, upper cover; 201, first smoke inlet pipe; 202, second smoke inlet pipe; 3, receiving box; 301, exhaust hole; 4, filter layer; 5, electric push rod; 6, acid mixing tank; 601, first smoke outlet pipe; 602, material injection pipe; 603, driving motor; 604, stirrer; 7, transport pipe; 8, storage tank; 801, liquid inlet pipe; 802, second smoke outlet pipe; 9, machine base; 901, circular groove; 902, insertion slot; 10, flue gas pipe; 11, central control box; 12, base. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] In the description of the utility model, it should be pointed out that the directions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the directions or position relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms ''installation'', ''setting'', ''connection'' and the like should be understood broadly, for example ''connection'', can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate media, can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0023] Referring to Figures 1-4 The utility model provides an acid mixing device for lithium battery recycling, including gas filter box 1, upper cover 2 and receiving tank 3, receiving tank 3 is located inside gas filter box 1, is equipped with a plurality of exhaust holes 301 at receiving tank 3 bottom, is equipped with filter layer 4 at exhaust hole 301 top, filter layer 4 is laid in receiving tank 3 inside, upper cover 2 is located at filter layer 4 top, upper cover 2 is fixedly connected at gas filter box 1 top through bolt, first smoke inlet pipe 201 and second smoke inlet pipe 202 are fixedly connected with smoke pipe 10 at top, a plurality of electric push rods 5 are fixedly installed in gas filter box 1 inside, the recess is equipped at receiving tank 3 bottom, and the telescopic end of electric push rod 5 penetrates the baffle of gas filter box 1 and is inserted in the recess at receiving tank 3 bottom, is equipped with exhaust cavity 101 at gas filter box 1 bottom end inside, exhaust cavity 101 is located at exhaust hole 301 bottom, a plurality of ventilation holes 102 are equipped at gas filter box 1 bottom end outside, and ventilation hole 102 is connected with exhaust cavity 101.

[0024] When using, acid gas in acid mixing tank 6 and storage tank 8 inside is discharged into gas filter box 1 inside through smoke pipe 10, and the harmful substances are filtered by filter layer 4, so that the acid gas is purified, and the purified gas is discharged from gas filter box 1 through ventilation hole 102 after entering exhaust cavity 101 through exhaust hole 301, in order to facilitate the replacement of filter layer 4, staff uses tools to disassemble bolt, opens upper cover 2, and staff starts electric push rod 5 through central control box 11, and the telescopic end of electric push rod 5 drives receiving tank 3 to move upwards, so that receiving tank 3 moves out of gas filter box 1, and staff is convenient for replacing and cleaning filter layer 4.

[0025] In the embodiment, acid mixing tank 6 is provided on the back side of gas filter box 1, first smoke outlet pipe 601 and material injection pipe 602 are fixedly installed on the top of acid mixing tank 6, drive motor 603 is arranged between first smoke outlet pipe 601 and material injection pipe 602, and drive motor 603 is fixedly connected to the top of acid mixing tank 6.

[0026] In use, the staff enters the raw materials into the inside of the acid mixing tank 6 through the feeding pipe 602, and then starts the driving motor 603, so that the driving motor 603 drives the stirrer 604 to rotate in the inside of the acid mixing tank 6, and the raw materials are fully mixed.

[0027] In the embodiment, the inside of the acid mixing tank 6 is provided with the stirrer 604, the top end of the stirrer 604 penetrates through the top of the acid mixing tank 6 and is fixedly connected to the output end of the driving motor 603, one side of the acid mixing tank 6 is provided with the storage tank 8, and the top of the storage tank 8 is fixedly connected with the liquid inlet pipe 801 and the second smoke exhaust pipe 802.

[0028] In use, after the acid solution is mixed, the staff opens the control valve, so that the acid solution is discharged into the inside of the storage tank 8 through the conveying pipe 7, and the corrosion of the stirrer 604 caused by long-term immersion in the acid solution is avoided.

[0029] In the embodiment, the second smoke exhaust pipe 802 and the top of the first smoke exhaust pipe 601 are fixedly connected with the smoke pipe 10 respectively, the inside of the liquid inlet pipe 801 is throughly connected with the conveying pipe 7, and one end of the conveying pipe 7 away from the liquid inlet pipe 801 is fixedly connected to the bottom of the acid mixing tank 6.

[0030] In use, the conveying pipe 7 and the smoke pipe 10 are both provided with control valves, the pipes are controlled through the control valves, and the mixing of the acid solution caused by the discharge of the acid solution into the storage tank 8 during stirring is avoided.

[0031] In the embodiment, the bottom end of the acid mixing tank 6 is provided with the machine base 9, the top of the machine base 9 is provided with the circular groove 901, the outside of the machine base 9 is provided with the insertion groove 902, the insertion groove 902 is throughly connected with the circular groove 901, and the bottom of the storage tank 8 is inserted into the circular groove 901.

[0032] In use, the insertion groove 902 is arranged at the top end of the machine base 9, the fork rod of the forklift drives the storage tank 8 to move into the insertion groove 902, so that the storage tank 8 is placed in the circular groove 901 at the top of the machine base 9 for storage, the fork rod of the forklift is moved out of the insertion groove 902, the installation and fixation of the storage tank 8 are facilitated, and the staff is saved from the time-consuming and laborious carrying.

[0033] In the embodiment, the back side of the storage tank 8 is provided with the central control box 11, the central control box 11 is located at one side of the gas filtering box 1, the bottom of the storage tank 8 is provided with the base 12, the central control box 11, the machine base 9 and the bottom of the acid mixing tank 6 are all fixedly connected to the top of the base 12, and the gas filtering box 1 is located at the top of the base 12.

[0034] In use, the support at the bottom of the acid mixing tank 6 is fixedly connected to the base 12 through bolts, and the acid mixing tank 6 and the storage tank 8 are provided with gas tables at the top, and the staff can judge the acid gas concentration in the inside of the acid mixing tank 6 and the storage tank 8 through the gas tables.

[0035] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: the acid gas in the acid tank 6 and the storage tank 8 is discharged into the gas filter box 1 through the flue gas pipe 10, the harmful substances are filtered by the filter layer 4, the acid gas is evolved, the purified gas enters the exhaust cavity 101 through the exhaust hole 301, and then the gas is discharged from the gas filter box 1 through the air hole 102, in order to facilitate the replacement of the filter layer 4, the staff uses tools to disassemble the bolt, opens the upper cover 2, the staff starts the electric push rod 5 through the central control box 11, the telescopic end of the electric push rod 5 drives the receiving box 3 to move upwards, the receiving box 3 is moved out of the gas filter box 1, the staff is convenient for replacing and cleaning the filter layer 4, the staff puts the acid solution raw material into the acid tank 6 through the feeding pipe 602, and then starts the driving motor 603, the output end of the driving motor 603 drives the stirrer 604 to rotate in the acid tank 6, so that the raw materials are fully mixed, after the acid solution is mixed, the staff opens the control valve, so that the acid solution is discharged into the storage tank 8 through the conveying pipe 7, the stirrer 604 is prevented from being corroded by being soaked in the acid solution for a long time, the slot 902 is arranged at the top of the base 9, the fork rod of the forklift drives the storage tank 8 to move into the slot 902, so that the storage tank 8 is placed in the circular groove 901 at the top of the base 9, the forklift drives the fork rod to move out of the slot 902, the installation and fixation of the storage tank 8 are facilitated, and the staff is prevented from carrying for a long time.

[0036] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An acid preparation device for lithium battery recycling, comprising a gas filter box (1), an upper cover (2) and a receiving box (3), characterized in that: The receiving box (3) is located inside the gas filter box (1), and a plurality of exhaust holes (301) are provided at the bottom of the receiving box (3). A filter layer (4) is provided on the top of the exhaust hole (301), and the filter layer (4) is laid inside the receiving box (3). The upper cover (2) is located on the top of the filter layer (4), and the upper cover (2) is fixedly connected to the top of the gas filter box (1) by bolts. The top of the upper cover (2) is fixedly connected to the first smoke inlet pipe (201) and the second smoke inlet pipe (202), and the tops of the first smoke inlet pipe (201) and the second smoke inlet pipe (202) are both fixedly connected. A flue gas pipe (10) is provided, a plurality of electric push rods (5) are fixedly installed inside the gas filter box (1), a groove is provided at the bottom of the receiving box (3), the telescopic end of the electric push rod (5) passes through the partition of the gas filter box (1) and is inserted into the groove at the bottom of the receiving box (3), an exhaust cavity (101) is provided inside the bottom end of the gas filter box (1), the exhaust cavity (101) is located at the bottom of the exhaust hole (301), a plurality of ventilation holes (102) are provided outside the bottom end of the gas filter box (1), and the ventilation holes (102) are connected to the exhaust cavity (101).

2. The acid preparation device for lithium battery recycling according to claim 1, characterized in that: An acid preparation tank (6) is provided on the back side of the gas filter box (1), a first smoke exhaust pipe (601) and a material injection pipe (602) are fixedly installed on the top of the acid preparation tank (6), a driving motor (603) is provided between the first smoke exhaust pipe (601) and the material injection pipe (602), and the driving motor (603) is fixedly connected to the top of the acid preparation tank (6).

3. The acid preparation device for lithium battery recovery according to claim 2, characterized in that: An agitator (604) is provided inside the acid preparation tank (6), the top of the agitator (604) passes through the top of the acid preparation tank (6) and is fixedly connected to the output end of the drive motor (603), a storage tank (8) is provided on one side of the acid preparation tank (6), and a liquid inlet pipe (801) and a second smoke exhaust pipe (802) are fixedly connected to the top of the storage tank (8).

4. The acid preparation device for lithium battery recovery according to claim 3, characterized in that: The second smoke exhaust pipe (802) and the top of the first smoke exhaust pipe (601) are respectively fixedly connected to a smoke pipe (10), the interior of the liquid inlet pipe (801) is connected to a transport pipe (7), and one end of the transport pipe (7) away from the liquid inlet pipe (801) is fixedly connected to the bottom of the acid preparation tank (6).

5. The acid preparation device for lithium battery recycling according to claim 4, characterized in that: A machine base (9) is provided on one side of the bottom end of the acid preparation tank (6), a circular groove (901) is provided on the top of the machine base (9), a slot (902) is provided on the outside of the machine base (9), the slot (902) is connected to the circular groove (901), and the bottom of the storage tank (8) is inserted into the circular groove (901).

6. The acid preparation device for lithium battery recycling according to claim 5, characterized in that: A central control box (11) is provided on the back side of the storage tank (8), and the central control box (11) is located on one side of the gas filter box (1). A base (12) is provided at the bottom of the storage tank (8), and the central control box (11), the machine base (9) and the bottom of the acid preparation tank (6) are all fixedly connected to the top of the base (12), and the gas filter box (1) is located on the top of the base (12).

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