CN219399576U - Lithium electricity trade exhaust-gas treatment system with protection machanism - Google Patents
Lithium electricity trade exhaust-gas treatment system with protection machanism Download PDFInfo
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- CN219399576U CN219399576U CN202320892244.XU CN202320892244U CN219399576U CN 219399576 U CN219399576 U CN 219399576U CN 202320892244 U CN202320892244 U CN 202320892244U CN 219399576 U CN219399576 U CN 219399576U
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Abstract
The utility model discloses a lithium battery industry waste gas treatment system with a protection mechanism, which comprises at least three organic solvent absorption boxes, wherein an absorption liquid conversion pipe is fixedly communicated between two adjacent organic solvent absorption boxes, and a liquid pump is arranged on the absorption liquid conversion pipe; the organic solvent absorption box is connected with an exhaust chimney, and an organic matter detection sensor is arranged above the inside of the exhaust chimney. After the absorbing liquid in each organic solvent absorbing box is used for a long time, as the absorbing liquid conversion pipe is arranged between the organic solvent absorbing boxes, the absorbing liquid in the rear organic solvent absorbing box can be transferred to the front organic solvent absorbing box for continuous use, so that the waste phenomenon is avoided, when the absorbed gas is discharged, the organic matter detecting sensor can detect the organic matter content in the gas, and the exhaust gas is prevented from being discharged under the condition of incomplete absorption.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a waste gas treatment system with a protection mechanism in the lithium battery industry.
Background
Currently, in the production process of lithium batteries, N-methyl pyrrolidone (NMP) is generally used as an organic solvent to form a paste with a positive electrode material (or a negative electrode material) and is coated on a metal foil. The anode material (or the cathode material) is uniformly distributed on the surface of the metal foil after being dried, most of the volatilized NMP gas can be recycled through a recycling system, and waste gas, waste water, waste residues and the like are inevitably generated in the production and manufacturing process of the lithium battery. In the production process of the lithium battery, certain organic waste gas can be generated in the liquid injection and formation procedures. The components are as follows: hydrogen Fluoride (HF), dimethyl carbonate, diethyl carbonate, methylethyl carbonate, ethylene carbonate, vinylene carbonate, adiponitrile, fluoroethylene carbonate, lithium hexafluorophosphate, NMP, acid gases, and the like. And therefore, the emission standard after targeted treatment is required.
For this reason, in the patent publication No. CN218553573U, a lithium battery waste gas treatment system is proposed, in which the waste gas after passing through the filtering mechanism finally enters the adsorption mechanism, the adsorption mechanism can adsorb and concentrate the organic solvent in the waste gas, and finally discharges the gas reaching the standard; but it has the problems that: 1. the amount of the waste gas absorbed by the organic solvent in each absorption box is different, and particularly, the inside of the rear absorption box is cleaner, and the waste of directly discharging the organic solvent after the use is relatively high; 2. without an alarm mechanism, the exhaust gas treatment cannot be early-warned once the exhaust gas treatment is incomplete.
Disclosure of Invention
The utility model aims to provide an exhaust gas treatment system with a protection mechanism in the lithium battery industry, which solves the problems that in the prior art, organic solvents are wasted after being directly discharged and early warning cannot be performed once the exhaust gas treatment is incomplete.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the lithium battery industry waste gas treatment system with the protection mechanism comprises at least three organic solvent absorption boxes, wherein an absorption liquid conversion pipe is fixedly communicated between two adjacent organic solvent absorption boxes, and a liquid pump is arranged on the absorption liquid conversion pipe;
the organic solvent absorption box is connected with an exhaust chimney, an organic matter detection sensor is arranged above the inside of the exhaust chimney, the output end of the organic matter detection sensor is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input end of the alarm.
Preferably, the filter box comprises a filter box body, wherein one side of the filter box body is fixedly communicated with a first induced draft fan, and the other side of the filter box body is provided with a second pressure fan.
Preferably, two sides of the upper surface of the organic solvent absorption box are respectively provided with an insertion pipe, and a gas conveying pipe is arranged between two adjacent insertion pipes on different organic solvent absorption boxes.
Preferably, a gas pressing pipe is arranged in the middle of the inside of the organic solvent absorption box, dense through holes are formed in the gas pressing pipe, and the upper end of the gas pressing pipe is fixedly communicated with one of the gas conveying pipes.
Preferably, an exhaust pipe is arranged above the inside of the organic solvent absorption box, and the upper end of the exhaust pipe is fixedly communicated with one end of the other gas conveying pipe.
Preferably, an electromagnetic stirrer is arranged below the organic solvent absorption box.
Compared with the prior art, the utility model has the beneficial effects that:
after the absorption liquid in each organic solvent absorption box is used for a long time, as the absorption liquid conversion pipe is arranged between the organic solvent absorption boxes, the absorption liquid in the rear organic solvent absorption box can be transferred to the front organic solvent absorption box for continuous use, so that the waste phenomenon is avoided;
when the absorbed gas is discharged, the organic matter detecting sensor can detect the organic matter content in the gas, and when the organic matter content exceeds the standard, the controller controls the alarm to give an alarm so as to avoid the discharge of waste gas under the condition of incomplete absorption.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a first view of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model at a second view angle;
FIG. 3 is a schematic view showing the internal structure of the organic solvent absorption tank of the present utility model;
fig. 4 is a functional block diagram of the present utility model.
In the figure: 1. a first induced draft fan; 2. a filter box; 3. a second pressure fan; 4. a first organic solvent absorption tank; 5. a second organic solvent absorption tank; 6. a third organic solvent absorption tank; 7. a fourth organic solvent absorption tank; 8. a cannula; 9. a gas delivery tube; 10. an exhaust chimney; 11. an absorption liquid conversion tube; 12. a liquid pump; 13. a gas pressing pipe; 14. a through hole; 15. an exhaust pipe; 16. an organic matter detection sensor; 17. a controller; 18. an alarm.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, in the embodiment of the utility model, an exhaust gas treatment system with a protection mechanism in lithium battery industry comprises a filter box 2, wherein one side of the filter box 2 is fixedly communicated with a first induced draft fan 1, the other side of the filter box 2 is provided with a second pressure fan 3, the second pressure fan 3 is connected with an organic solvent absorption box, namely, exhaust gas is sucked into the filter box 2 through the first induced draft fan 1, filtered by the filter box 2, then reaches the interior of the second pressure fan 3 again, and is pressurized by the second pressure fan 3 and then enters the interior of the organic solvent absorption box for absorption;
with continued reference to fig. 1 and 2, an absorption liquid conversion pipe 11 is fixedly connected between two adjacent organic solvent absorption tanks, a liquid pump 12 is installed on the absorption liquid conversion pipe 11, at least three (four are shown in the drawing, including a first organic solvent absorption tank 4, a second organic solvent absorption tank 5, a third organic solvent absorption tank 6 and a fourth organic solvent absorption tank 7) are provided in the organic solvent absorption tanks, the exhaust gas entering from the second pressure fan 3 is sequentially absorbed by the first organic solvent absorption tank 4, the second organic solvent absorption tank 5, the third organic solvent absorption tank 6 and the fourth organic solvent absorption tank 7, after the absorption liquid in each organic solvent absorption tank is used for a long time, the absorption liquid in the first organic solvent absorption tank 4 is discharged, the absorption liquid in the second organic solvent absorption tank 5 is pumped into the first organic solvent absorption tank 4, the absorption liquid in the third organic solvent absorption tank 6 is pumped into the second organic solvent absorption tank 5, the fourth organic solvent absorption tank 7 is pumped into the fourth organic solvent absorption tank 7, and the new organic solvent absorption liquid in the fourth organic solvent absorption tank 7 is prevented from being circulated, and the waste of the organic solvent absorption liquid in the fourth tank is avoided;
as shown in fig. 2 and 4, the device further comprises a controller 17 and an alarm 18, wherein an organic solvent absorption box at the end part is connected with an exhaust chimney 10, an organic matter detection sensor 16 is arranged above the inside of the exhaust chimney 10, the output end of the organic matter detection sensor 16 is electrically connected with the input end of the controller 17, the output end of the controller 17 is electrically connected with the input end of the alarm 18, namely, when the absorbed gas is discharged, the organic matter detection sensor 16 can detect the organic matter content in the gas, and when the organic matter content exceeds the standard, the controller 17 controls the alarm 18 to alarm so as to avoid the exhaust gas from being discharged under the condition of incomplete absorption;
as shown in fig. 2 and 3, two sides of the upper surface of the organic solvent absorption boxes are respectively provided with a cannula 8, and a gas conveying pipe 9 is arranged between two adjacent cannulas 8 on different organic solvent absorption boxes, so that gas intercommunication among the organic solvent absorption boxes is realized;
as shown in fig. 3, a gas pressing pipe 13 is arranged in the middle of the interior of the organic solvent absorption box, dense through holes 14 are formed in the gas pressing pipe 13, the upper end of the gas pressing pipe 13 is fixedly communicated with one of the gas conveying pipes 9, and then the gas can be pressed into the absorption liquid through the through holes in the gas pressing pipe 13 after entering;
as shown in fig. 3, an exhaust pipe 15 is arranged above the inside of the organic solvent absorption box, the upper end of the exhaust pipe 15 is fixedly communicated with one end of the other gas conveying pipe 9, and the absorbed waste gas can reach the inside of the gas conveying pipe 9 through the exhaust pipe 15;
an electromagnetic stirrer is arranged below the organic solvent absorption box, so that vortex is formed in the middle of absorption liquid inside the organic solvent absorption box, and the organic solvent absorption box can be better contacted with gas.
The working principle and the using flow of the utility model are as follows: when the device is used, waste gas is sucked into the filter box 2 through the first induced draft fan 1, filtered by the filter box 2 and then reaches the interior of the second pressure fan 3 again, the waste gas is pressurized by the second pressure fan 3 and then enters the first organic solvent absorption box 4, the second organic solvent absorption box 5, the third organic solvent absorption box 6 and the fourth organic solvent absorption box 7 to absorb organic matters, clean air is discharged from the exhaust chimney 110 after the absorption is finished, the organic matter detection sensor 16 can detect the organic matter content in the gas, and when the organic matter content exceeds the standard, the controller 17 controls the alarm 18 to alarm so as to avoid the exhaust gas from being discharged under the condition of incomplete absorption;
after the absorption liquid inside each organic solvent absorption tank is used for a long time, the absorption liquid inside the first organic solvent absorption tank 4 is discharged, the absorption liquid inside the second organic solvent absorption tank 5 is pumped into the first organic solvent absorption tank 4, the absorption liquid inside the third organic solvent absorption tank 6 is pumped into the second organic solvent absorption tank 5, the absorption liquid inside the fourth organic solvent absorption tank 7 is pumped into the third organic solvent absorption tank 6, and new absorption liquid is injected into the fourth organic solvent absorption tank 7, so that the recycling of the absorption liquid can be realized according to the steps, and the waste phenomenon is avoided.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a lithium electricity trade exhaust-gas treatment system with protection machanism, includes at least three organic solvent absorption case, its characterized in that: an absorption liquid conversion pipe (11) is fixedly communicated between two adjacent organic solvent absorption boxes, and a liquid pump (12) is arranged on the absorption liquid conversion pipe (11);
the organic solvent absorption box at the end part is connected with an exhaust chimney (10), an organic matter detection sensor (16) is arranged above the inside of the exhaust chimney (10), the output end of the organic matter detection sensor (16) is electrically connected with the input end of the controller (17), and the output end of the controller (17) is electrically connected with the input end of the alarm (18).
2. The exhaust treatment system with protection mechanism for lithium battery industry of claim 1, wherein: still include rose box (2), the fixed intercommunication of one side of rose box (2) has first draught fan (1), and second forced draught fan (3) are installed to the opposite side of rose box (2).
3. The exhaust treatment system with protection mechanism for lithium battery industry of claim 2, wherein: the two sides of the upper surface of the organic solvent absorption box are respectively provided with an insertion pipe (8), and a gas conveying pipe (9) is arranged between two adjacent insertion pipes (8) on different organic solvent absorption boxes.
4. A lithium battery industry exhaust treatment system with a protection mechanism according to claim 3, characterized in that: the organic solvent absorption box is characterized in that a gas pressing-in pipe (13) is arranged in the middle of the inside of the organic solvent absorption box, dense through holes (14) are formed in the gas pressing-in pipe (13), and the upper end of the gas pressing-in pipe (13) is fixedly communicated with one of the gas conveying pipes (9).
5. The exhaust treatment system with protection mechanism for lithium battery industry of claim 4, wherein: an exhaust pipe (15) is arranged above the inside of the organic solvent absorption box, and the upper end of the exhaust pipe (15) is fixedly communicated with one end of the other gas conveying pipe (9).
6. A lithium battery industry exhaust treatment system with a protection mechanism according to claim 3, characterized in that: an electromagnetic stirrer is arranged below the organic solvent absorption box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320892244.XU CN219399576U (en) | 2023-04-20 | 2023-04-20 | Lithium electricity trade exhaust-gas treatment system with protection machanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320892244.XU CN219399576U (en) | 2023-04-20 | 2023-04-20 | Lithium electricity trade exhaust-gas treatment system with protection machanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219399576U true CN219399576U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320892244.XU Active CN219399576U (en) | 2023-04-20 | 2023-04-20 | Lithium electricity trade exhaust-gas treatment system with protection machanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219399576U (en) |
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2023
- 2023-04-20 CN CN202320892244.XU patent/CN219399576U/en active Active
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