CN217528125U - Oven new trend system - Google Patents
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- CN217528125U CN217528125U CN202221232482.XU CN202221232482U CN217528125U CN 217528125 U CN217528125 U CN 217528125U CN 202221232482 U CN202221232482 U CN 202221232482U CN 217528125 U CN217528125 U CN 217528125U
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Abstract
The utility model relates to the technical field of battery production, and provides a fresh air system of an oven, which comprises an oven; the separating device is used for separating the gas in the oven into a first gas and a second gas, the density of the first gas is greater than that of the second gas, the separating device is provided with a gas inlet communicated with the inner space of the oven, a first outlet for exhausting the first gas and a second outlet for exhausting the second gas, the first outlet is isolated from the inner space of the oven, and the second outlet is communicated with the inner space of the oven. So set up, both realized the separation of solvent gas, discharged, reduced the inside solvent gas's of oven content, realized again to high-temperature gas and thermal recycle, be favorable to reducing the required energy of the inside temperature of maintenance oven, solved the problem of the energy loss that exists when reducing the harmful gas's in the oven among the prior art.
Description
Technical Field
The utility model relates to a battery production technical field especially relates to an oven new trend system.
Background
In the production process of the lithium battery, raw material slurry is required to be coated on a foil to form a pole piece, and then the pole piece is dried to enable the pole piece to volatilize a solvent in an oven to form a dry pole piece. In the drying process, harmful gases such as solvent gas and the like can be accumulated in the oven. The solvent gas is flammable, and in order to reduce the concentration of the solvent gas inside the oven, the gas inside the oven needs to be exhausted. However, the solvent gas is exhausted, and simultaneously, the high-temperature gas in the oven is exhausted together, which causes energy loss.
Therefore, how to solve the problem of energy loss in reducing the content of harmful gas in the oven in the prior art becomes an important technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides an oven new trend system for solve among the prior art the energy loss's that exists when reducing the harmful gas's in the oven defect.
The utility model provides an oven new trend system, include:
an oven;
a separation device for separating gas within the oven into a first gas and a second gas, the first gas having a density greater than a density of the second gas, the separation device having a gas inlet in communication with an interior space of the oven, a first outlet for exhausting the first gas, and a second outlet for exhausting the second gas, the first outlet being isolated from the interior space of the oven, the second outlet being in communication with the interior space of the oven.
According to the utility model provides a pair of oven new trend system, separator sets up the inside of oven, gas inlet with the second export all is located the inside of oven, first export extends to the outside of oven.
According to the utility model provides a pair of oven new trend system, separator sets up the outside of oven, the oven has gas outlet and backward flow mouth, gas inlet with gas outlet is connected, the second export with the backward flow mouth is connected.
According to the utility model provides a pair of oven new trend system, gas outlet sets up on the diapire of oven.
According to the utility model provides a pair of oven new trend system, separator includes:
the cyclone is used for separating gas;
a drive element disposed at an inlet of the cyclone, the drive element configured to drive gas within the oven into the cyclone.
According to the utility model provides a pair of oven new trend system, drive element includes the fan, the entrance point of fan with the inner space of oven is linked together, the exit end of fan with the import of swirler is connected.
According to the utility model provides a pair of oven new trend system still includes:
and the exhaust pipe is arranged outside the oven and is connected with the first outlet of the separation device.
According to the utility model provides an oven fresh air system, a plurality of ovens and a plurality of separating devices are arranged, and the separating devices are in one-to-one correspondence with the ovens;
the first outlet of each of the separation devices is communicated with the exhaust pipe.
According to the utility model provides a pair of oven new trend system still includes:
the air inlet pipe is arranged outside the drying oven, the drying oven is provided with air inlets, and the air inlets of the drying ovens are communicated with the air inlet pipe.
According to the utility model provides a pair of oven new trend system still includes:
and the collection treatment device is used for collecting or treating the first gas and is communicated with the first outlet.
The utility model provides an oven new trend system, including oven and separator, separator is used for forming first gas and second gas with the gas separation in the oven to export the outside of arranging to separator through first export and second. The density of the first gas is greater than that of the second gas, and the second outlet is communicated with the inner space of the oven so that the second gas flows back to the inner part of the oven. For the oven for drying the pole piece, the solvent gas and other high-temperature gases in the oven have different densities, the high-temperature mixed gas in the oven is separated from the other high-temperature gases after passing through the separation device, the solvent gas is discharged through the first outlet as the first gas, and the other high-temperature gases are returned into the oven through the second outlet as the second gas. So set up, both realized the separation of solvent gas, discharged, reduced the inside solvent gas's of oven content, realized again to high-temperature gas and thermal recycle, be favorable to reducing the required energy of the inside temperature of maintaining the oven, solved among the prior art the problem of the energy loss that exists when reducing the harmful gas's in the oven.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a fresh air system of an oven when the separation device provided by the utility model is arranged outside the oven;
fig. 2 is a schematic structural view of a fresh air system of the oven when the plurality of ovens are arranged and the separating device is arranged outside the oven;
fig. 3 is a schematic structural view of a fresh air system of the oven when the separation device provided by the utility model is arranged inside the oven;
fig. 4 is the utility model provides an oven sets up a plurality ofly, and separator sets up when the oven is inside, oven new trend system's schematic structure diagram.
Reference numerals:
1: an oven; 2: a swirler; 3: a drive element; 4: an exhaust pipe; 5: an air inlet pipe.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
The utility model discloses an oven new trend system is described below with reference to fig. 1 to 4.
As shown in FIGS. 1 to 4, the embodiment of the utility model provides an oven new trend system, including oven 1 and separator. Specifically, in the production process of the battery, the oven 1 is used for drying the pole piece. During the drying process, NMP (N-methylpyrrolidone) gas is generated.
The separating device is provided with a gas inlet, a first outlet and a second outlet, the gas inlet is communicated with the inner space of the oven 1, gas in the oven 1 can enter the separating device through the gas inlet, the separating device separates the gas into first gas and second gas, the density of the first gas is greater than that of the second gas, and the first gas and the second gas are discharged to the outside of the separating device through the first outlet and the second outlet respectively.
The first outlet is isolated from the inner space of the oven 1, and the first gas is separated from the oven 1, so that the content of the first gas in the oven 1 is reduced.
The second outlet is communicated with the inner space of the oven 1, and the second gas flows back to the inner part of the oven 1 through the second outlet.
For the oven 1 for drying the pole piece, the solvent gas and other high-temperature gases in the oven have different densities, and the density of the solvent gas is greater than that of the other high-temperature gases. After the high-temperature mixed gas in oven 1 passes through separator, the solvent gas separates with other high-temperature gas, and the solvent gas is discharged through first export as first gas, and other high-temperature gas flow back to oven 1 through the second export as the second gas in, supplementary gas in to oven 1 realizes the recovery to high-temperature gas's heat simultaneously.
So set up, both realized the separation of solvent gas, discharged, reduced the inside solvent gas's of oven 1 content, realized again to high-temperature gas and thermal recycle, be favorable to reducing the required energy of maintaining the inside temperature of oven 1, solved among the prior art the problem of the energy loss who exists when reducing the harmful gas's in oven 1 content.
It should be noted that during the separation process, a part of the solvent gas forms oil mist, so that the oil is collected and discharged at the first outlet.
In some embodiments, the separation device is arranged inside oven 1, with reference to fig. 3, such that both the gas inlet and the second outlet of the separation device are located inside oven 1, and the first outlet of the separation device extends outside oven 1.
So, avoided the pipe connection between separator's the gas inlet and the oven 1 and the pipe connection between second export and the oven 1, oven new trend system's connection structure is simple. And, the heat loss of the second gas can be reduced by disposing the separation device inside the oven 1.
Because the density of the solvent gas in the oven 1 is relatively large and the concentration of the solvent gas in the lower space in the oven 1 is relatively large, the separation device can be arranged at the bottom in the oven 1 to improve the separation and discharge efficiency of the solvent gas.
In other embodiments, the separation device is disposed outside oven 1, oven 1 has a gas outlet and a return port, and referring to fig. 1, the gas inlet of the separation device and the gas outlet of oven 1 are connected together by a connecting pipeline, and the second outlet of the separation device and the return port of oven 1 are connected together by a connecting pipeline, so as to achieve connection between the separation device and oven 1.
So, arrange separator in oven 1's outside, can reduce the occupation to oven 1 inner space, be favorable to reducing oven 1's volume, reduce oven new trend system's occupation space.
Because the density of the solvent gas in the oven 1 is relatively large, and the concentration of the solvent gas in the space close to the bottom wall in the oven 1 is relatively large, in a further embodiment, the gas outlet can be arranged on the bottom wall of the oven 1, which is beneficial to improving the separation and discharge efficiency of the solvent gas.
In this embodiment, the separating device includes a cyclone 2 and a driving element 3, and the driving element 3 is disposed at an inlet of the cyclone 2 and is used for driving the gas in the oven 1 into the cyclone 2, so that the cyclone 2 performs the separation process on the gas.
In a specific embodiment, the driving element 3 may be a fan, an inlet end of the fan is communicated with the inner space of the oven 1, and an outlet end of the fan is connected with the inlet of the cyclone 2. The fan provides power for the circulation of gas between the oven 1 and the cyclone 2, and the smooth operation of gas separation operation is ensured.
The embodiment of the utility model provides an in, oven new trend system still includes blast pipe 4, and blast pipe 4 sets up in oven 1's outside, and is connected with separator's first export for will be through first export exhaust first gas transport to the target location and collect the processing.
In a further embodiment, the oven fresh air system further comprises a collecting and processing device, and the collecting and processing device is communicated with the first outlet of the separating device and is used for collecting or processing the first gas discharged by the first outlet.
The collecting and processing device is a container filled with absorption solution, and the absorption solution can absorb the solvent gas after the solvent gas is introduced into the absorption solution.
When the oven fresh air system is provided with a plurality of ovens 1, the separating devices are also arranged in a plurality, so that the separating devices are connected with the ovens 1 in a one-to-one correspondence manner and respectively separate the gas in the corresponding ovens 1. Each separation device is used for separating out the solvent gas in the corresponding oven 1 and recycling other high-temperature gas into the oven 1.
Only one exhaust pipe 4 is provided, and the first outlet of each separation device is connected to the exhaust pipe 4, so that the same exhaust pipe 4 is shared by a plurality of separation devices. The solvent gases separated from the respective ovens 1 are collected into the exhaust pipe 4 and uniformly discharged through the exhaust pipe 4.
The exhaust pipe 4 may be connected to the collection processing device, and the solvent gas may be uniformly discharged to the collection processing device for uniform processing. A plurality of ovens 1 share one exhaust pipe 4, which is beneficial to simplifying the structure of an oven fresh air system.
In this embodiment, oven new trend system still includes intake pipe 5, and oven 1 has the air inlet, and intake pipe 5 sets up in oven 1's outside to be linked together with oven 1's air inlet. The air inlet pipe 5 is used as a fresh air pipe and used for supplementing air into the oven 1.
When oven 1 sets up a plurality ofly, make the air inlet of each oven 1 all be connected with intake pipe 5, utilize same intake pipe 5 can be to conveying gas in each oven 1. A plurality of ovens 1 share one air inlet pipe 5, which is beneficial to simplifying the structure of an oven fresh air system.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an oven new trend system which characterized in that includes:
an oven;
a separation device for separating gas within the oven into a first gas and a second gas, the first gas having a density greater than a density of the second gas, the separation device having a gas inlet in communication with an interior space of the oven, a first outlet for exhausting the first gas, and a second outlet for exhausting the second gas, the first outlet being isolated from the interior space of the oven, the second outlet being in communication with the interior space of the oven.
2. Oven fresh air system according to claim 1, characterized in that the separation device is arranged inside the oven, the gas inlet and the second outlet are both located inside the oven, the first outlet extending to the outside of the oven.
3. Oven fresh air system according to claim 1, characterized in that the separating device is arranged outside the oven, the oven having a gas outlet and a return opening, the gas inlet being connected to the gas outlet and the second outlet being connected to the return opening.
4. Oven fresh air system according to claim 3, characterized in that the gas outlet is arranged on the bottom wall of the oven.
5. Oven fresh air system according to claim 1, characterized in that the separating device comprises:
the cyclone is used for separating gas;
a drive element disposed at an inlet of the cyclone, the drive element configured to drive gas within the oven into the cyclone.
6. Oven fresh air system according to claim 5, characterized in that the driving element comprises a fan, the inlet end of which is in communication with the interior space of the oven and the outlet end of which is connected to the inlet of the cyclone.
7. Oven fresh air system according to claim 1, characterized in that it further comprises:
and the exhaust pipe is arranged outside the oven and is connected with the first outlet of the separation device.
8. The oven fresh air system as claimed in claim 7, wherein a plurality of ovens and a plurality of separating devices are arranged, and the separating devices correspond to the ovens one by one;
the first outlet of each separating device is communicated with the exhaust pipe.
9. Oven fresh air system according to claim 8, characterized in that it further comprises:
the air inlet pipe is arranged outside the drying ovens, the drying ovens are provided with air inlets, and the air inlets of the drying ovens are communicated with the air inlet pipe.
10. The oven fresh air system of claim 1, further comprising:
and the collection treatment device is used for collecting or treating the first gas and is communicated with the first outlet.
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CN202221232482.XU CN217528125U (en) | 2022-05-18 | 2022-05-18 | Oven new trend system |
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CN202221232482.XU CN217528125U (en) | 2022-05-18 | 2022-05-18 | Oven new trend system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114871078A (en) * | 2022-05-18 | 2022-08-09 | 三一技术装备有限公司 | Fresh air system of oven |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114871078A (en) * | 2022-05-18 | 2022-08-09 | 三一技术装备有限公司 | Fresh air system of oven |
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