CN215506144U - Tail gas treatment device for positive electrode material sintering furnace - Google Patents
Tail gas treatment device for positive electrode material sintering furnace Download PDFInfo
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- CN215506144U CN215506144U CN202023339699.4U CN202023339699U CN215506144U CN 215506144 U CN215506144 U CN 215506144U CN 202023339699 U CN202023339699 U CN 202023339699U CN 215506144 U CN215506144 U CN 215506144U
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Abstract
The utility model discloses a tail gas treatment device of a positive electrode material sintering furnace, which comprises a primary tail gas treatment device, a secondary tail gas treatment device and an exhaust device; the primary tail gas treatment device comprises a filter box and a plurality of filter units, the filter units are arranged in the filter box in parallel along the vertical direction, and an air inlet of the filter box receives tail gas; the secondary tail gas treatment device comprises an acid liquid tank, a plurality of upper baffles and a plurality of lower baffles, wherein an air inlet of the acid liquid tank is communicated with an air outlet of the filter tank through a pipeline, an air outlet of the acid liquid tank is communicated with an air inlet of the exhaust device through a pipeline, and the upper baffles and the lower baffles are alternately arranged in the acid liquid tank to form a zigzag channel. According to the utility model, the tail gas is firstly subjected to dust removal by the primary tail gas treatment device, and then is subjected to acid liquor absorption by the secondary tail gas treatment device to remove harmful heavy metals and further remove dust, so that the device has a simple structure and a good sintering tail gas treatment effect.
Description
Technical Field
The utility model relates to a lithium ion anode material preparation device, in particular to an anode material sintering furnace tail gas treatment device.
Background
In the composition of the lithium ion battery, the quality of the cathode material is an important factor for determining the electrochemical performance and the safety performance of the lithium ion battery. At present, in the production process of the anode material, in order to produce a lithium ion battery anode material product with uniform reaction, high crystal quality, uniform pores, small surface area, large apparent specific gravity and stable electrochemical performance, the anode material is often sintered by utilizing a crystallography principle and an aerodynamic principle. At present, sintering tail gas of the anode material is often directly discharged, the tail gas contains heavy metals such as Ni and the like and dust, and the heavy metals and the dust can cause air, water and soil pollution in the process of floating and settling, so that the environment is seriously damaged, and people and livestock are damaged. Therefore, an effective exhaust gas treatment means is required to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tail gas treatment device of a positive electrode material sintering furnace, which is used for solving the problem that the tail gas from the positive electrode material sintering furnace in the prior art is lack of an effective treatment device.
In order to solve the technical problem, the utility model provides a tail gas treatment device of a positive electrode material sintering furnace, which comprises a primary tail gas treatment device, a secondary tail gas treatment device and an exhaust device; the primary tail gas treatment device comprises a filter box and a plurality of filter units, the filter units are arranged in the filter box in parallel along the vertical direction, and an air inlet of the filter box receives tail gas; the second-stage tail gas treatment device comprises an acid liquid tank, a plurality of upper baffles and a plurality of lower baffles, wherein an air inlet of the acid liquid tank is communicated with an air outlet of the filter tank through a pipeline, an air outlet of the acid liquid tank is communicated with an air inlet of the exhaust device through a pipeline, the upper baffles are in sliding connection with the top of the inner wall of the acid liquid tank, the lower baffles are in sliding connection with the bottom of the inner wall of the acid liquid tank, and the upper baffles and the lower baffles are alternately arranged in the acid liquid tank to form a zigzag channel.
Wherein, one-level tail gas processing apparatus still includes a plurality of picture peg chute parts, and a plurality of picture peg chute parts set up in pairs in the inner wall top and the bottom of rose box, and each filter unit's top and bottom all with a picture peg chute part sliding connection.
The secondary tail gas treatment device also comprises a liquid inlet pipe, a liquid outlet pipe and a plurality of baffle sliding groove pieces; the liquid inlet pipe is arranged at the position, close to the top, of the acid liquid tank and is communicated with the inner cavity of the acid liquid tank, and the liquid outlet pipe is arranged at the position, close to the bottom, of the acid liquid tank and is communicated with the inner cavity of the acid liquid tank; the baffle sliding groove pieces are respectively arranged at the top and the bottom of the inner wall of the acid liquor box, the top of the upper baffle is in sliding connection with the baffle sliding groove pieces arranged at the top of the inner wall of the acid liquor box, and the bottom of the lower baffle is in sliding connection with the baffle sliding groove pieces arranged at the bottom of the inner wall of the acid liquor box.
Wherein, the lower baffle is provided with a plurality of through holes for acid liquor to pass through near the baffle chute piece which is connected with the lower baffle in a sliding way.
Preferably, the filter unit is a medium-efficiency plate filter.
Preferably, the exhaust device is an anti-corrosion exhaust fan, and an air outlet of the exhaust device is communicated with the atmosphere.
The utility model has the beneficial effects that: the tail gas is subjected to dust removal by the primary tail gas treatment device, and then is subjected to acid liquor absorption by the secondary tail gas treatment device to remove harmful heavy metals and further remove dust.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a tail gas treatment apparatus for a positive electrode material sintering furnace according to the present invention;
FIG. 2 is a detailed view of area A of FIG. 1;
in the figure: 1-first-stage tail gas treatment device, 11-filter box, 12-filter unit, 13-flashboard sliding groove component, 2-second-stage tail gas treatment device, 21-acid liquid box, 22-upper baffle, 23-lower baffle, 231-through hole, 24-liquid inlet pipe, 25-liquid outlet pipe, 26-baffle sliding groove component, 3-air exhaust device and 4-pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1-2, fig. 1 is a schematic structural diagram of an embodiment of a tail gas treatment device of a positive electrode material sintering furnace according to the present invention, and fig. 2 is a detailed diagram of a region a in fig. 1. The tail gas treatment device of the anode material sintering furnace comprises a primary tail gas treatment device 1, a secondary tail gas treatment device 2 and an exhaust device 3; the primary tail gas treatment device 1 comprises a filter box 11 and a plurality of filter units 12, wherein the filter units 12 are arranged in the filter box 11 in parallel along the vertical direction, and an air inlet of the filter box 11 receives anode material sintering tail gas; second grade tail gas processing apparatus 2 includes sour liquid case 21, a plurality of overhead gage 22 and a plurality of lower baffle 23, the air inlet of sour liquid case 21 passes through pipeline 4 and rose box 11's gas outlet intercommunication, the gas outlet of sour liquid case 21 passes through the air inlet intercommunication of pipeline and exhaust device 3, the inner wall top sliding connection of overhead gage 22 and sour liquid case 21, lower baffle 23 and the inner wall bottom sliding connection of sour liquid case 21, a plurality of overhead gage 22 and a plurality of lower baffle 23 arrange in turn and form the passageway of zigzag type in sour liquid case 21, tail gas can not see through a plurality of overhead gage 22 and a plurality of lower baffle, tail gas passageway setting mode through this zigzag type, the time of tail gas processing in the acidizing fluid has been prolonged, heavy metal and dust in the messenger's tail gas are fully got rid of. The following describes the respective components of the above-described device for treating the exhaust gas from the positive electrode material sintering furnace in detail.
Specifically, the primary tail gas treatment device 1 further comprises a plurality of inserting plate sliding groove parts 13, the inserting plate sliding groove parts 13 are arranged at the top and the bottom of the inner wall of the filter box 11 in pairs, the top and the bottom of each filter unit 12 are slidably connected with one inserting plate sliding groove part 13, and the filter units 12 can be maintained or replaced by workers more conveniently in a sliding connection mode; in this embodiment, the filtering unit 12 is preferably a middle-efficiency plate filter for primarily filtering dust in the exhaust gas, and in other embodiments, suitable dust filtering devices and the number thereof may be selected according to actual requirements, which is not limited herein.
Specifically, the secondary tail gas treatment device 2 further comprises a liquid inlet pipe 24, a liquid outlet pipe 25 and a plurality of baffle sliding channel members 26; the liquid inlet pipe 24 is arranged at the position, close to the top, of the acid liquid tank 21 and is communicated with the inner cavity of the acid liquid tank 21, the liquid outlet pipe 25 is arranged at the position, close to the bottom, of the acid liquid tank 21 and is communicated with the inner cavity of the acid liquid tank 21, acid liquid can be led in or out of the inner cavity of the acid liquid tank 21 by arranging the liquid inlet pipe 24 and the liquid outlet pipe 25, and corresponding valves can be arranged on the liquid inlet pipe 24 and the liquid outlet pipe 25 to control the flow rate of the acid liquid; the baffle sliding groove parts 26 are respectively arranged at the top and the bottom of the inner wall of the acid liquid tank 21, the top of the upper baffle 22 is in sliding connection with the baffle sliding groove part 26 arranged at the top of the inner wall of the acid liquid tank 21, the bottom of the lower baffle 23 is in sliding connection with the baffle sliding groove part 26 arranged at the bottom of the inner wall of the acid liquid tank 21, and the upper baffle 22 and the lower baffle 23 are easy to assemble and disassemble in a sliding connection mode. Wherein, baffle 23 is close to rather than sliding connection's baffle spout spare 26 department down, is equipped with a plurality of through-holes 231 that supply acidizing fluid to pass through, and through a plurality of through-holes of baffle 23 bottom down, the acidizing fluid that makes the acid liquor box 21 inner chamber bottom can communicate and flow, guarantees the homogeneity of acidizing fluid, more is favorable to the absorption to heavy metal in the tail gas.
Specifically, the reason why the exhaust device 3 is an anti-corrosion type exhaust fan and the air outlet of the exhaust device 3 is communicated with the atmosphere is selected to prevent corrosion of the exhaust fan due to long-term use.
The operation mode of the tail gas treatment device of the positive electrode material sintering furnace is further detailed in combination with the structural description of the tail gas treatment device of the positive electrode material sintering furnace. Firstly, injecting a proper amount of acid liquor into an acid liquor tank 21 from a liquid inlet pipe 24 until the acid liquor is higher than the bottom of an upper baffle 22, introducing the sintering tail gas of the anode material into a filter tank 11, and filtering dust in the tail gas after passing through a multi-layer medium-efficiency plate filter; then leading the tail gas after primary dust removal into an acid liquid tank 21, and absorbing harmful heavy metals by acid liquid in a zigzag channel formed by a plurality of upper baffles 22 and a plurality of lower baffles 23 and further removing dust to ensure that the tail gas reaches the emission standard; and finally, discharging the tail gas treated by the acid liquor through an anti-corrosion exhaust fan to finish the tail gas treatment process.
The tail gas is subjected to dust removal by the primary tail gas treatment device, and then is subjected to acid liquor absorption by the secondary tail gas treatment device to remove harmful heavy metals and further remove dust.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A tail gas treatment device of a positive electrode material sintering furnace is characterized by comprising a primary tail gas treatment device, a secondary tail gas treatment device and an exhaust device;
the primary tail gas treatment device comprises a filter box and a plurality of filter units, the filter units are arranged in the filter box in parallel along the vertical direction, and an air inlet of the filter box receives tail gas;
the secondary tail gas treatment device comprises an acid liquid tank, a plurality of upper baffles and a plurality of lower baffles, wherein an air inlet of the acid liquid tank is communicated with an air outlet of the filter tank through a pipeline, an air outlet of the acid liquid tank is communicated with an air inlet of the exhaust device through a pipeline, the upper baffles are in sliding connection with the top of the inner wall of the acid liquid tank, the lower baffles are in sliding connection with the bottom of the inner wall of the acid liquid tank, and the upper baffles and the lower baffles are alternately arranged in the acid liquid tank to form a zigzag channel.
2. The device for treating tail gas of a positive electrode material sintering furnace according to claim 1, wherein the primary tail gas treatment device further comprises a plurality of plate insertion chute members, the plate insertion chute members are arranged at the top and the bottom of the inner wall of the filter box in pairs, and the top and the bottom of each filter unit are slidably connected with one plate insertion chute member.
3. The device for treating tail gas of the positive electrode material sintering furnace according to claim 1, wherein the secondary tail gas treatment device further comprises a liquid inlet pipe, a liquid outlet pipe and a plurality of baffle sliding groove members;
the liquid inlet pipe is arranged at the position, close to the top, of the acid liquor box and is communicated with the inner cavity of the acid liquor box, and the liquid outlet pipe is arranged at the position, close to the bottom, of the acid liquor box and is communicated with the inner cavity of the acid liquor box;
the baffle sliding groove pieces are arranged at the top and the bottom of the inner wall of the acid liquor box respectively, the top of the upper baffle is in sliding connection with the baffle sliding groove pieces arranged at the top of the inner wall of the acid liquor box, and the bottom of the lower baffle is in sliding connection with the baffle sliding groove pieces arranged at the bottom of the inner wall of the acid liquor box.
4. The device for treating tail gas of a positive electrode material sintering furnace according to claim 3, wherein the lower baffle is provided with a plurality of through holes for acid solution to pass through, near the baffle chute member slidably connected with the lower baffle.
5. The device for treating tail gas of the positive electrode material sintering furnace according to claim 1, wherein the filter unit is a middle-effect plate filter.
6. The device for treating tail gas of a positive electrode material sintering furnace according to claim 1, wherein the exhaust device is an anti-corrosion exhaust fan, and an air outlet of the exhaust device is communicated with the atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023339699.4U CN215506144U (en) | 2020-12-31 | 2020-12-31 | Tail gas treatment device for positive electrode material sintering furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023339699.4U CN215506144U (en) | 2020-12-31 | 2020-12-31 | Tail gas treatment device for positive electrode material sintering furnace |
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| CN215506144U true CN215506144U (en) | 2022-01-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155274A (en) * | 2022-08-12 | 2022-10-11 | 德州凯密迪化工有限公司 | Dry tail gas absorption tower of calcium hypochlorite production usefulness |
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2020
- 2020-12-31 CN CN202023339699.4U patent/CN215506144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155274A (en) * | 2022-08-12 | 2022-10-11 | 德州凯密迪化工有限公司 | Dry tail gas absorption tower of calcium hypochlorite production usefulness |
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