CN210568451U - Waste lithium battery pyrolysis flue gas energy-saving treatment device - Google Patents
Waste lithium battery pyrolysis flue gas energy-saving treatment device Download PDFInfo
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- CN210568451U CN210568451U CN201921279126.1U CN201921279126U CN210568451U CN 210568451 U CN210568451 U CN 210568451U CN 201921279126 U CN201921279126 U CN 201921279126U CN 210568451 U CN210568451 U CN 210568451U
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Abstract
The utility model belongs to the technical field of old and useless lithium cell is retrieved, specific saying so relates to an old and useless lithium cell pyrolysis flue gas energy-saving processing apparatus, it is main for providing an old and useless lithium cell pyrolysis flue gas energy-saving processing apparatus, the effectual resourceization and the energy-conserving production process that satisfies the pyrolysis of enterprise and pollute the flue gas, an old and useless lithium cell pyrolysis flue gas energy-saving processing apparatus is provided, include the multitube cyclone who is connected with old and useless lithium cell pyrolysis equipment, rear end intercommunication at multitube cyclone is provided with energy-conserving secondary combustion chamber, this novel structural design's old and useless lithium cell pyrolysis flue gas energy-saving processing apparatus, the effectual dust absorption efficiency who improves old and useless lithium cell pyrolysis flue gas, the effectual manufacturing cost who reduces the enterprise, the effectual economic benefits who.
Description
Technical Field
The utility model belongs to the technical field of waste lithium battery recovery; in particular to a waste lithium battery pyrolysis flue gas energy-saving treatment device.
Background
Thermal desorption is a process of heating a contaminated medium and organic contaminants contained therein to a sufficient temperature by direct or indirect heat exchange to volatilize or separate the organic contaminants from the contaminated medium; in recent years, the influence of waste batteries on the environment becomes one of domestic media hot topics, and no matter the waste batteries are buried in the atmosphere or deeply underground, heavy metal components of the waste batteries overflow along with seepage, so that the pollution of underground water and soil is caused, and the serious harm to human health is caused after the waste batteries accumulate every day and month; at present, the waste lithium batteries can effectively recycle the zinc-iron alloy or the manganese-iron alloy in the waste lithium batteries in a crushing and recycling mode, and can also recycle metals such as zinc, manganese, iron and the like stored in the waste lithium batteries, so that the metals are effectively recycled; the waste lithium battery mainly comprises a shell and an internal battery core, wherein the shell is a stainless steel shell, a nickel-plated metal steel shell or a plastic shell; the battery core is of a roll-type structure and mainly comprises a positive electrode, a negative electrode, an isolating membrane and electrolyte; before the waste lithium battery is broken and recycled, harmful substances such as sulfide and nitrogen-containing compounds in the waste lithium battery are generally required to be subjected to heat treatment to enable the harmful substances to be sufficiently separated, the pyrolysis process can be effectively completed through thermal desorption equipment, however, a large amount of dust smoke is generated after the waste lithium battery is pyrolyzed, and therefore the novel energy-saving waste lithium battery pyrolysis smoke treatment device is provided and is very necessary.
Disclosure of Invention
The utility model discloses an inventive purpose:
the main is in order to provide a waste lithium cell pyrolysis flue gas energy-saving treatment device, the effectual waste lithium cell pyrolysis flue gas dust disposal requirement that satisfies, the effectual resourceization and the energy-conserving production process that satisfies the pyrolysis of enterprise and pollute the flue gas, the dust absorption efficiency of the waste lithium cell pyrolysis flue gas of effectual improvement, the manufacturing cost of effectual reduction enterprise, the economic benefits of the effectual improvement enterprise.
The technical scheme of the utility model is that:
the utility model provides an energy-conserving processing apparatus of old and useless lithium cell pyrolysis flue gas, includes the multitube cyclone who is connected with old and useless lithium cell pyrolysis equipment, is provided with energy-conserving postcombustion room in the rear end intercommunication of multitube cyclone.
The multi-pipe cyclone dust collector comprises a steel framework bracket, a cyclone dust collecting box body is arranged on the steel framework bracket, and a multi-pipe dust collector arranged in a step shape and at the same height is arranged in the cyclone dust collecting box body; an air inlet communicated with the multi-pipe dust removal device is arranged at one end of the cyclone dust collection box body, an air outlet communicated with the multi-pipe dust removal device is arranged at the other end of the cyclone dust collection box body, and the air outlet is communicated with the energy-saving secondary combustion chamber; the lower part of the cyclone dust collecting box body is also provided with a dust collecting tank with a conical structure, and the bottom of the dust collecting tank is provided with an ash removing opening.
The multi-pipe dust removal device comprises a plurality of cyclone air ducts which are arranged in parallel at equal heights, a guider is arranged at the upper end of each cyclone air duct, and an air guide pipe is connected to the upper end of each guider.
The ash discharging pipe is connected and arranged on the ash removing opening arranged at the bottom of the dust collecting tank and is connected with the rigid impeller feeder, and the spiral conveyor is further connected and arranged on the discharge opening of the rigid impeller feeder.
And a pneumatic gate valve is also arranged on the ash discharge pipeline.
The energy-saving secondary combustion chamber comprises a combustion chamber body, wherein a flue gas inlet and a flue gas outlet are respectively arranged on the combustion chamber body, a ceramic fiber folding block lining layer is arranged on the inner surface of the combustion chamber body, a heat exchanger is also arranged at the rear end of the combustion chamber body, the flue gas outlet is communicated with the heat exchanger, and an energy-saving combustor is also arranged on the combustion chamber body; an energy-saving air inlet and a combustion-supporting air outlet are respectively arranged on the heat exchanger, and the combustion-supporting air outlet is communicated with the energy-saving burner.
The energy-saving air inlet comprises a compression section and a jet section which are sequentially arranged along the air inlet direction, and a transition section is also arranged between the compression section and the jet section.
The diameter of the pipe section of the compression section is gradually reduced along the air inlet direction, the diameter of the pipe section of the jet flow section is gradually enlarged along the air inlet direction, and the diameter of the pipe section of the transition section is kept unchanged.
The energy-saving burner is also provided with a pressure release valve.
The utility model has the advantages that:
this novel structural design's old and useless lithium cell pyrolysis flue gas energy-saving processing device, not only the effectual old and useless lithium cell pyrolysis flue gas dust disposal requirement that has satisfied, the effectual resourceization and the energy-conserving production process that has satisfied the pyrolysis of enterprise and pollute the flue gas, the effectual dust absorption efficiency who improves old and useless lithium cell pyrolysis flue gas moreover, the effectual manufacturing cost who reduces the enterprise, the effectual economic benefits who improves the enterprise.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the multi-cyclone dust collector of the present invention;
FIG. 4 is a schematic structural view of the energy-saving secondary combustion chamber of the present invention;
fig. 5 is a schematic structural diagram of the energy-saving air inlet of the present invention.
In the figure; 1 is waste lithium battery pyrolysis equipment; 2 is a multi-pipe cyclone dust collector; 3 is an energy-saving secondary combustion chamber; 4, a steel structure bracket; 5 is a cyclone dust collecting box body; 6 is a multi-tube dust removing device; 7 is an air inlet; 8 is an air outlet; 9 is a dust collecting tank; 10 is a dust removing port; 11 is a cyclone fan; 12 is a guider; 13 is a gas-guide tube; 14 is an ash discharge pipeline; 15 is a rigid impeller feeder; 16 is a screw conveyer; 17 is a pneumatic gate valve; 18 is a combustion chamber body; 19 is a flue gas inlet; 20 is a smoke outlet; 21 is a lining layer of a ceramic fiber folding block; 22 is a heat exchanger; 23 is an energy-saving burner; 24 is an energy-saving air inlet; 25 is a combustion-supporting air outlet; 26 is a compression section; 27 a jet section; 28 is a transition section; and 29 is a pressure relief valve.
Detailed Description
The following detailed description of embodiments of the present invention is made with reference to the accompanying drawings.
As shown in fig. 1-5, an energy-saving treatment device for pyrolysis flue gas of waste lithium batteries is provided, which comprises a multi-pipe cyclone dust collector 2 connected with a waste lithium battery pyrolysis device 1, and an energy-saving secondary combustion chamber 3 is communicated with the rear end of the multi-pipe cyclone dust collector.
The multi-pipe cyclone dust collector comprises a steel framework bracket 4, a cyclone dust collection box body 5 is arranged on the steel framework bracket, and a multi-pipe dust collector 6 which is in stepped equal-height arrangement is arranged in the cyclone dust collection box body; an air inlet 7 communicated with the multi-pipe dust removal device is arranged at one end of the cyclone dust collection box body, an air outlet 8 communicated with the multi-pipe dust removal device is arranged at the other end of the cyclone dust collection box body, and the air outlet is communicated with the energy-saving secondary combustion chamber; the lower part of the cyclone dust collecting box body is also provided with a dust collecting tank 9 with a conical structure, and the bottom of the dust collecting tank is provided with an ash removing opening 10.
The multi-pipe dust removal device comprises a plurality of cyclone wind rotors 11 which are arranged in parallel at equal heights, a guider 12 is arranged at the upper end of each cyclone wind rotor, and an air guide pipe 13 is connected to the upper end of each guider.
An ash discharge pipeline 14 is connected and arranged on an ash removal opening arranged at the bottom of the dust collection tank, the ash discharge pipeline is connected with a rigid impeller feeder 15, and a screw conveyor 16 is also connected and arranged on a discharge opening of the rigid impeller feeder.
And a pneumatic gate valve 17 is also arranged on the ash discharge pipeline.
The energy-saving secondary combustion chamber comprises a combustion chamber body 18, a flue gas inlet 19 and a flue gas outlet 20 are respectively arranged on the combustion chamber body, a ceramic fiber folding block lining layer 21 is arranged on the inner surface of the combustion chamber body, a heat exchanger 22 is also arranged at the rear end of the combustion chamber body, the flue gas outlet is communicated with the heat exchanger, and an energy-saving combustor 23 is also arranged on the combustion chamber body; an energy-saving air inlet 24 and a combustion-supporting air outlet 25 are respectively arranged on the heat exchanger, and the combustion-supporting air outlet is communicated with the energy-saving burner.
The energy-saving air inlet comprises a compression section 26 and a jet flow section 27 which are sequentially arranged along the air inlet direction, and a transition section 28 is also arranged between the compression section and the jet flow section.
The diameter of the pipe section of the compression section is gradually reduced along the air inlet direction, the diameter of the pipe section of the jet flow section is gradually enlarged along the air inlet direction, and the diameter of the pipe section of the transition section is kept unchanged.
A pressure relief valve 29 is also provided on the economizer burner.
The novel energy-saving waste lithium battery pyrolysis flue gas treatment device with the structural design has the advantages that the structure is novel and unique, pyrolysis flue gas in waste lithium battery pyrolysis equipment is effectively removed and recovered by arranging the multi-pipe cyclone dust collector, compared with a single-pipe type cyclone dust collector device, the novel design multi-pipe cyclone dust collector has high dust removal efficiency and is simple and convenient to install, the multi-pipe dust collector with the ladder-shaped equal-height arrangement is arranged in the cyclone dust collection box body and consists of a plurality of cyclone fans with equal-height parallel arrangement, an included angle of 60 degrees is formed between the cyclone design and the horizontal plane, flue gas absorbed from the waste lithium battery pyrolysis equipment passes through the cyclone, gas entering the dust collector is moved downwards by the aerodynamic principle, a pressure difference is formed in the dust collector, and therefore gas reaching the bottom of the dust collector enters the air guide pipe through the interior of the cyclone connected with the guide device, finally discharging the dust collector; the dust is discharged from the dust removal port through the dust collection tank, so that the cleaning efficiency after the dust is discharged is effectively improved, and the labor intensity of workers is effectively reduced; meanwhile, in order to conveniently collect and store the dust materials in a centralized manner, the screw conveyor is connected and arranged on the impeller feeder, so that workers can collect and arrange the dust materials in a centralized manner; in order to ensure the one-time ash discharge amount of the impeller feeder, a pneumatic gate valve is also arranged on the ash discharge pipeline and is used for quantitatively discharging dust into the impeller feeder; the automatic dust cleaning efficiency of production enterprises is effectively improved; the flue gas after dust removal enters an energy-saving secondary combustion chamber which is connected and arranged at the rear end of the energy-saving secondary combustion chamber, the flue gas is subjected to high-temperature combustion in the energy-saving secondary combustion chamber, organic pollutants in tail gas can be rapidly and fully combusted, the inner wall of the energy-saving secondary combustion chamber integrally adopts a ceramic fiber folding block lining layer, the heat insulation effect of the lining layer adopting the structure is better than that of a traditional casting material or refractory brick lining, the heat conductivity of the lining layer with the same volume is reduced by more than 80%, and the heat dissipation is less; the fuel can be effectively saved by about 5 percent. Meanwhile, ceramic fiber is used as a lining, so that the oven drying time before operation is shorter, over 50 percent of oven drying time can be saved, and over 50 percent of oven fuel can be effectively saved; a heat exchanger is connected and arranged on the flue gas outlet of the secondary combustion chamber; the energy-saving combustor is characterized in that air flow is efficiently and quickly introduced through the arranged energy-saving air inlet, then the air flow is mixed with high-temperature combustion flue gas for heat exchange, and the exchanged gas directly enters the energy-saving combustor communicated with the combustion chamber body; the pressure release valve is arranged on the energy-saving burner, so that the safety use performance of the energy-saving burner is effectively ensured, waste gas in the combustion-supporting energy-saving secondary combustion chamber body is combusted, the combustion energy of the burner is effectively saved, and the combustion efficiency of the burner is improved; this novel structural design's old and useless lithium cell pyrolysis flue gas energy-saving processing device, not only the effectual old and useless lithium cell pyrolysis flue gas dust disposal requirement that has satisfied, the effectual resourceization and the energy-conserving production process that has satisfied the pyrolysis of enterprise and pollute the flue gas, the effectual dust absorption efficiency who improves old and useless lithium cell pyrolysis flue gas moreover, the effectual manufacturing cost who reduces the enterprise, the effectual economic benefits who improves the enterprise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above description is only illustrative of the present invention, and is not intended to limit the scope of the present invention, and any person skilled in the art can make equivalent changes and modifications without departing from the spirit and principles of the present invention, which should fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a waste lithium cell pyrolysis flue gas energy-saving processing apparatus which characterized in that: the energy-saving secondary combustion chamber comprises a combustion chamber body, a flue gas inlet and a flue gas outlet are respectively arranged on the combustion chamber body, a ceramic fiber folding block lining layer is arranged on the inner surface of the combustion chamber body, a heat exchanger is also arranged at the rear end of the combustion chamber body, the flue gas outlet is communicated with the heat exchanger, and an energy-saving combustor is also arranged on the combustion chamber body; an energy-saving air inlet and a combustion-supporting air outlet are respectively arranged on the heat exchanger, and the combustion-supporting air outlet is communicated with the energy-saving burner.
2. The waste lithium battery pyrolysis flue gas energy-saving treatment device according to claim 1, characterized in that: the multi-pipe cyclone dust collector comprises a steel framework bracket, a cyclone dust collecting box body is arranged on the steel framework bracket, and a multi-pipe dust collector arranged in a step shape and at the same height is arranged in the cyclone dust collecting box body; an air inlet communicated with the multi-pipe dust removal device is arranged at one end of the cyclone dust collection box body, an air outlet communicated with the multi-pipe dust removal device is arranged at the other end of the cyclone dust collection box body, and the air outlet is communicated with the energy-saving secondary combustion chamber; the lower part of the cyclone dust collecting box body is also provided with a dust collecting tank with a conical structure, and the bottom of the dust collecting tank is provided with an ash removing opening.
3. The waste lithium battery pyrolysis flue gas energy-saving treatment device according to claim 2, characterized in that: the multi-pipe dust removal device comprises a plurality of cyclone air ducts which are arranged in parallel at equal heights, a guider is arranged at the upper end of each cyclone air duct, and an air guide pipe is connected to the upper end of each guider.
4. The waste lithium battery pyrolysis flue gas energy-saving treatment device according to claim 2, characterized in that: the ash discharging pipe is connected and arranged on the ash removing opening arranged at the bottom of the dust collecting tank and is connected with the rigid impeller feeder, and the spiral conveyor is further connected and arranged on the discharge opening of the rigid impeller feeder.
5. The waste lithium battery pyrolysis flue gas energy-saving treatment device according to claim 4, characterized in that: and a pneumatic gate valve is also arranged on the ash discharge pipeline.
6. The waste lithium battery pyrolysis flue gas energy-saving treatment device according to claim 1, characterized in that: the energy-saving air inlet comprises a compression section and a jet section which are sequentially arranged along the air inlet direction, and a transition section is also arranged between the compression section and the jet section.
7. The waste lithium battery pyrolysis flue gas energy-saving treatment device according to claim 6, characterized in that: the diameter of the pipe section of the compression section is gradually reduced along the air inlet direction, the diameter of the pipe section of the jet flow section is gradually enlarged along the air inlet direction, and the diameter of the pipe section of the transition section is kept unchanged.
8. The waste lithium battery pyrolysis flue gas energy-saving treatment device according to claim 1, characterized in that: the energy-saving burner is also provided with a pressure release valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921279126.1U CN210568451U (en) | 2019-08-08 | 2019-08-08 | Waste lithium battery pyrolysis flue gas energy-saving treatment device |
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| CN201921279126.1U CN210568451U (en) | 2019-08-08 | 2019-08-08 | Waste lithium battery pyrolysis flue gas energy-saving treatment device |
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| CN210568451U true CN210568451U (en) | 2020-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128767A (en) * | 2020-09-25 | 2020-12-25 | 江苏普创热工科技有限公司 | Waste lithium battery pyrolysis furnace |
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2019
- 2019-08-08 CN CN201921279126.1U patent/CN210568451U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128767A (en) * | 2020-09-25 | 2020-12-25 | 江苏普创热工科技有限公司 | Waste lithium battery pyrolysis furnace |
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