CN213120122U - Cathode material sintering tail gas cleanup unit - Google Patents
Cathode material sintering tail gas cleanup unit Download PDFInfo
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- CN213120122U CN213120122U CN202020339394.4U CN202020339394U CN213120122U CN 213120122 U CN213120122 U CN 213120122U CN 202020339394 U CN202020339394 U CN 202020339394U CN 213120122 U CN213120122 U CN 213120122U
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- tail gas
- sintering tail
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Abstract
The utility model discloses an anode material sintering tail gas cleanup unit, including electric heater unit, be provided with the combustion chamber in the electric heater unit, be provided with electric heating wire outside the combustion chamber, electric heating wire is used for heating the combustion chamber, makes the anode material sintering tail gas in the combustion chamber burn, both sides in the combustion chamber are crisscross to be provided with a plurality of baffle, the utility model discloses a simple and easy combustion chamber burns anode material sintering tail gas, still guarantees tail gas fully burning through snakelike pipeline, the utility model discloses simple structure, the design is nimble, but the integrated level is high, easily installation, easy operation are applicable to the purification treatment of a plurality of scale anode material sintering tail gas.
Description
Technical Field
The utility model belongs to the technical field of tail gas clean-up, specifically belong to a cathode material sintering tail gas clean-up device.
Background
In the process of preparing the lithium ion battery cathode material, high-temperature sintering is one of the indispensable procedures. As the precursor of the cathode material is mostly a mixture of graphite and asphalt, the asphalt can be cracked to generate a large amount of harmful gases including tar gas and the like in the high-temperature sintering process, and great harm can be caused to human bodies and the environment. In addition, because the powder particle size of the precursor of the cathode material is very small, the specific gravity of the material is relatively light, a small amount of graphite dust can be carried in sintering flue gas, and the environment can be polluted. Therefore, the purification of the sintering tail gas of the cathode material is important for environmental protection and human health. At present, the purification of the sintering tail gas of the cathode material is carried out by one or more ways of torch combustion, electric complementation, plasma photo-oxygen catalysis, spray absorption and the like, but the methods have the defects. For example, the torch combustion mode is more suitable for the treatment of waste gas in large-scale industrial production, and more gas, torch towers and the like are required, so that the investment cost is high, the construction period is long, and the method is not suitable for the treatment of waste gas in smaller scale; a large amount of waste water is generated by adopting spray absorption, so that secondary pollution is caused; modes such as electricity supplementing and collection, photo-oxygen catalysis and the like have lower efficiency, the treatment effect is difficult to reach the emission standard, and the collected tar is mixed with graphite dust, so that the further recovery treatment is difficult.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides an anode material sintering tail gas cleanup unit, the waste gas burning treatment that present anode material sintering produced is with high costs, and chemical treatment is inefficient, still can produce other wastes material, and tail gas is burnt through simple and easy combustion chamber to this application, decomposes harmful gas anode material sintering tail gas purifying effect in the tail gas and is good, effectively clears away the graphite dust in the tail gas, ensures discharge to reach standard.
In order to achieve the above object, the utility model provides a following technical scheme, including electric heater unit, be provided with the combustion chamber in the electric heater unit, be provided with electric heating wire outside the combustion chamber, electric heating wire is used for heating the combustion chamber, makes the negative pole material sintering tail gas in the combustion chamber burn.
Further, the combustion chamber is connected with an air inlet and an air supply port, the air inlet supplies the sintering tail gas of the cathode material into the combustion chamber, and the air supply port supplies air into the combustion chamber.
Further, the air inlet and the air supply opening are arranged adjacently, an air mixing plate used for mixing air and sintering tail gas is arranged in the combustion chamber, and unfixed ends of the air mixing plate are close to each other.
Furthermore, the electric heating wire is wound outside the combustion chamber, a heat insulation material is further wrapped outside the combustion chamber, and the electric heating wire is arranged between the heat insulation material and the combustion chamber.
Furthermore, a plurality of clapboards are arranged on two sides in the combustion chamber in a staggered mode, and a temperature sensor is further arranged in the combustion chamber.
Further, still include filter equipment, still be connected with exhaust duct on the combustion chamber, the combustion chamber passes through exhaust duct is connected with filter equipment, filter equipment is used for filtering the gas that negative pole material sintering tail gas produced of burning in the combustion chamber.
Further, filter equipment still is connected with active carbon adsorption device, active carbon adsorption device is used for carrying out the repurification to the gas of filter equipment transmission, still be provided with the gas outlet on the active carbon adsorption device, still be provided with the frequency conversion draught fan on the gas outlet, the last third knob that still integrates the control frequency conversion draught fan amount of wind of control panel.
Further, the filtering device comprises a plurality of layers of filtering cotton frame bodies.
Furthermore, last cooling device that is provided with of exhaust duct, cooling device includes the cooling water coil pipe, be provided with the monitoring on the cooling water coil pipe the thermometer of cooling water coil pipe temperature.
Furthermore, a control panel is further arranged on the electric heating device, and a first knob for adjusting the temperature of the electric heating wire, a second knob for adjusting the flow rate of cooling water in the cooling device and a parameter display board are integrated on the control panel.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the utility model provides a be used for negative pole material sintering tail gas cleanup unit, through the electric heating wire in the electric heating device with the temperature rise in the combustion chamber, make air and negative pole material sintering tail gas take place the combustion reaction, make pyrolysis gas and the tar gas in the tail gas fully burn, the gas after the burning gets into the filter pulp framework through the exhaust duct, the filter pulp in the filter pulp framework filters the gas after the burning, filter the graphite dust of the gas after the burning, make the gas after the burning reach emission standard; the utility model provides a purifier directly carries out the abundant burning with cathode material sintering tail gas earlier, makes the pyrolysis gas and the abundant burning of tar gas in the tail gas, can not produce the tar fluid that is difficult to handle, the utility model provides a device still further carries out filtration treatment through the graphite dust of filtering the gas after the cotton framework will burn, lets the treatment effect of tail gas more excellent, through carrying out the hierarchical processing with cathode material sintering tail gas, makes cathode material sintering tail gas reach emission standard, and the simple structure of this application, the design is nimble, can the integrated level be high, easily installation, easy operation, maintenance convenience, tail gas purifying effect is good, is applicable to the purification treatment of the cathode material sintering tail gas of multiple scale.
Further, the utility model discloses still be provided with activated carbon adsorption device, peculiar smell and some other harmful substance in the gas after will burning to make gaseous purification rate obtain further promotion, eliminated the peculiar smell in the combustion gas simultaneously.
Further, the utility model provides a crisscross baffle that is provided with in both sides in the combustion chamber makes the mixing path of air and tail gas change snakelike into, has lengthened the mixing path of air and tail gas, makes the mixed degree between air and the tail gas higher to make the pyrolysis gas and the more abundant burning of tar gas of tail gas in the combustion chamber, the purifying effect of tail gas is better.
Further, the utility model provides an exhaust duct is last to be provided with the cooling water coil pipe, cools down exhaust duct through the cooling water coil pipe to make the gas temperature in the exhaust duct reduce, reduce the harm to filter equipment and draught fan, prolong the life of filter equipment and draught fan.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings: 1-electric heating device, 2-cooling device, 3-filtering device, 4-activated carbon adsorption device, 5-variable frequency induced draft fan, 6-exhaust pipeline, 11-combustion chamber, 12-electric heating wire, 13-air inlet, 14-air supplement port, 15-temperature sensor, 16-control panel, 161-parameter display panel, 162-adjusting knob, 21-cooling water coil, 22-thermometer, 31-filtering cotton frame body, 111-partition board and 112-air mixing board.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, a cathode material sintering tail gas purification device comprises an electric heating device and a filtering device, wherein a combustion chamber 11 is arranged in the electric heating device, an air inlet 13 and an air supplement port 14 are connected to the combustion chamber 11, cathode material sintering tail gas is introduced into the combustion chamber 11 through the air inlet 13, air is introduced into the combustion chamber 11 through the air supplement port 14, an electric heating wire 12 is arranged outside the combustion chamber 11, the combustion chamber 11 is heated through the electric heating wire 12, so that the cathode material sintering tail gas in the combustion chamber 11 is combusted, the combustion chamber 11 is also connected with an exhaust pipeline 6, and waste gas generated after the sintering tail gas is combusted is discharged through the exhaust pipeline 6; and a temperature sensor 15 is also arranged in the combustion chamber 11 and used for monitoring the temperature in the combustion chamber 11 in real time.
In a preferred embodiment of the present invention, the air inlet 13 and the air supply port 14 are disposed at one end of the combustion chamber 11, and the exhaust duct 6 is disposed at the other end of the combustion chamber 11, so as to ensure that the sintering tail gas is discharged out of the combustion chamber 11 after being sufficiently combusted, wherein the air inlet 13 and the air supply port 14 are disposed adjacent to each other, and air and the sintering tail gas are timely mixed in the combustion chamber 11, so as to ensure that the tail gas is sufficiently combusted, preferably, an air mixing plate 112 for mixing air and the sintering tail gas is further disposed in the combustion chamber 11, and unfixed ends of the air mixing plate 112 are close to each other, so as to further ensure that air and the sintering tail gas entering the combustion chamber 11 are timely;
in the preferred embodiment of this embodiment, the electric heating wire is wound outside the combustion chamber 11, the combustion chamber 11 is further wrapped with a heat insulating material, and the electric heating wire 12 is disposed between the heat insulating material and the combustion chamber 11, and preferably, the heat insulating material is aluminum silicate.
In the preferred embodiment of the present invention, a plurality of partition plates 111 are staggered on two sides in the combustion chamber 11, the length of each partition plate 111 needs to satisfy that the pipeline through which the air and the tail gas are mixed is a serpentine pipeline, which ensures that the mixing path of the air and the tail gas is sufficiently long, and ensures that the cracked gas and the tar gas in the tail gas are sufficiently combusted through the serpentine pipeline in the combustion chamber 11;
in this embodiment, the exhaust duct 6 is further connected to a filtering device 3, and the filtering device 3 filters and exhausts a gas generated by burning the cathode material sintering tail gas in the combustion chamber 11;
preferably, filter equipment 3 still is connected with active carbon adsorption device 4, active carbon adsorption device 4 purifies once more the gas of filter equipment 3 transmission, active carbon adsorption device 4 still is provided with the gas outlet, still be provided with frequency conversion draught fan 5 on the gas outlet, frequency conversion draught fan 5 provides drive power for the gas in the whole device, make the interior negative pressure environment that forms of whole device, the air gets into from moisturizing wind gap 14, cathode material sintering tail gas gets into from air inlet 13, the gas outlet end of frequency conversion draught fan 5 is drawn out to the gas after the burning is accomplished.
The utility model discloses a preferred embodiment, cooling water coil 21 is installed to exhaust duct 6's outer wall, cools down exhaust duct 6 through cooling water coil 21 to make the gas temperature in the exhaust duct 6 reduce, reduce the harm to filter equipment 3 and high frequency draught fan 5, prolong the life of filter equipment 3 and frequency conversion draught fan 5, wherein, be provided with real-time supervision on the cooling water coil 21 thermometer 22 of cooling water coil 21 temperature.
Further, still be provided with control panel 16 on the electric heater unit 1, the last integration of control panel has adjust knob 162, adjust knob 162 includes the first knob of adjusting electric heating wire 12 temperature, the second knob of adjusting cooling water flow in the cooling device 2 and the third knob and the parameter display panel 161 of control frequency conversion draught fan 5 amount of wind, wherein shows the temperature in the combustion chamber 11, the temperature of cooling water pipeline and the parameter such as frequency conversion draught fan 5 amount of wind on the parameter display panel 161.
In one embodiment of the present invention, the filtering device 3 is a multi-layer filtering cotton frame 31.
The utility model discloses a theory of operation:
when the device for purifying the sintering tail gas of the cathode material is used, the electric heating device 1 is started to heat the combustion chamber 11 to a set temperature, particularly 650 ℃, and then the variable-frequency induced draft fan 5 is started; under the action of a variable-frequency draught fan 5, sintering tail gas of a negative electrode material and air respectively enter a combustion chamber 11 from an air inlet 13 and an air supplementing port 14, and a partition plate 111 in the combustion chamber 11 can enable the tail gas and the air to be fully mixed so as to enable pyrolysis gas and tar gas in the tail gas to be fully combusted; the burned gas enters an exhaust pipeline 6, a cooling device 2 is arranged on the exhaust pipeline 6 to cool the gas, and the temperature of a cooling water coil 21 is preferably 150-200 ℃ so as to reduce the damage to a filtering device 3 and a variable-frequency induced draft fan 5; and a small amount of graphite dust in the gas is filtered and dedusted through the filtering device 3, the filter cotton frame body 31 in the filtering device 3 is easy to take out, can be cleaned or replaced according to the use condition, and finally is purified again through the activated carbon adsorption device 4, and the filtered gas is discharged.
Claims (8)
1. The device for purifying the sintering tail gas of the cathode material is characterized by comprising an electric heating device (1), wherein a combustion chamber (11) is arranged in the electric heating device (1), an electric heating wire (12) is arranged outside the combustion chamber (11), and the electric heating wire (12) is used for heating the combustion chamber (11) to burn the sintering tail gas of the cathode material in the combustion chamber (11);
the device is characterized by further comprising a filtering device (3), wherein an exhaust pipeline (6) is further connected to the combustion chamber (11), the combustion chamber (11) is connected with the filtering device (3) through the exhaust pipeline (6), and the filtering device (3) is used for filtering gas generated by sintering tail gas of a combustion cathode material in the combustion chamber (11);
the filtering device (3) comprises a plurality of layers of filtering cotton frame bodies (31).
2. The anode material sintering tail gas purification device according to claim 1, wherein an air inlet (13) and an air supplement port (14) are connected to the combustion chamber (11), the anode material sintering tail gas is introduced into the combustion chamber (11) through the air inlet (13), and air is introduced into the combustion chamber (11) through the air supplement port (14).
3. The anode material sintering tail gas purification device according to claim 2, wherein the air inlet (13) is arranged adjacent to the air supply opening (14), an air mixing plate (112) for mixing air and sintering tail gas is arranged in the combustion chamber, and unfixed ends of the air mixing plate (112) are close to each other.
4. The anode material sintering tail gas purification device according to claim 1, wherein the electric heating wire (12) is wound outside the combustion chamber (11), the combustion chamber (11) is further wrapped with a heat insulation material, and the electric heating wire (12) is arranged between the heat insulation material and the combustion chamber (11).
5. The anode material sintering tail gas purification device according to claim 1, wherein a plurality of partition plates (111) are arranged in the combustion chamber (11) in a staggered manner on two sides, and a temperature sensor (15) is further arranged in the combustion chamber (11).
6. The anode material sintering tail gas purification device according to claim 1, wherein a control panel is further arranged on the electric heating device, and a first knob for adjusting the temperature of the electric heating wire (12), a second knob for adjusting the flow rate of cooling water in the cooling device (2) and a parameter display board (161) are integrated on the control panel (16).
7. The anode material sintering tail gas purification device according to claim 6, wherein the filter device (3) is further connected with an activated carbon adsorption device (4), the activated carbon adsorption device (4) is used for purifying the gas transmitted by the filter device (3) again, the activated carbon adsorption device (4) is further provided with a gas outlet, the gas outlet is further provided with a variable frequency induced draft fan (5), and the control panel (16) is further integrated with a third knob for controlling the air volume of the variable frequency induced draft fan (5).
8. The anode material sintering tail gas purification device according to claim 1, wherein a cooling device (2) is arranged on the exhaust pipeline (6), the cooling device (2) comprises a cooling water coil (21), and a thermometer (22) for monitoring the temperature of the cooling water coil (21) is arranged on the cooling water coil (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020339394.4U CN213120122U (en) | 2020-03-17 | 2020-03-17 | Cathode material sintering tail gas cleanup unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020339394.4U CN213120122U (en) | 2020-03-17 | 2020-03-17 | Cathode material sintering tail gas cleanup unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213120122U true CN213120122U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020339394.4U Active CN213120122U (en) | 2020-03-17 | 2020-03-17 | Cathode material sintering tail gas cleanup unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213120122U (en) |
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2020
- 2020-03-17 CN CN202020339394.4U patent/CN213120122U/en active Active
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