Automatic intake air flow control device for electrode drying ovens for manufacturing secondary batteries
A secondary battery and drying furnace technology, applied in the direction of non-electric variable control, flow control, chemical variable control, etc., can solve problems such as energy loss and production speed reduction
Active Publication Date: 2015-01-14
LG ENERGY SOLUTION LTD
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Problems solved by technology
As a result, the intake air flow rate increases beyond the necessary flow rate, and therefore, energy loss occurs due to an increase in the temperature of the intake air
In addition, it is necessary to increase the capacity of exhaust gas treatment facilities
[0016] In addition, the production rate is limited by the oven with the highest exhaust gas concentration, with the result that the overall production rate is reduced
[0017] Since the conventional electrode drying equipment for secondary batteries has the following problems, that is, energy loss occurs due to an increase in the temperature of the intake air, it is necessary to increase the capacity of the exhaust gas treatment facility, and the production speed is limited by the highest exhaust gas. Concentration of the oven is limited, and as a result, the overall production speed is reduced, so there is a high demand for an intake flow control device for an electrode oven for manufacturing secondary batteries that can optimize and minimize Maintains air flow to all electrode ovens, thereby minimizing oven energy consumption and maximizing electrode production
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[0044] Now, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted, however, that the scope of the present invention is not limited by the illustrated embodiments.
[0045] figure 2 is a typical view showing an intake flow control device of an electrode drying furnace for a secondary battery according to an embodiment of the present invention.
[0046] exist figure 2 In , for convenience of illustration, it is shown that the air intake flow control device for an electrode drying oven of a secondary battery includes an electrode drying oven. However, the intake air flow control device of an electrode drying oven for a secondary battery may be configured to have a structure in which the electrodes are continuously dried while passing through two or more electrode drying ovens.
[0047] refer to figure 2 , the electrode drying equipment 100 for manufacturing secondary batteries includes an ...
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The present invention relates to an intake air flow control device for electrode drying ovens for manufacturing secondary batteries which coats a collector with electrode slurry containing a solvent and then dries the solvent. The intake air flow control device for electrode drying ovens according to the present invention includes: at least one electrode drying oven having an air supply duct supplying external air and an exhaust air duct discharging gas in which dried air and the solvent are mixed; a sensor measuring the solvent concentration of the exhaust air in the exhaust air duct; and a control unit controlling the amount of supplied and / or the amount of discharged gas based on information on the solvent concentration of the exhaust air gas sent from the sensor.
Description
technical field [0001] The present invention relates to an intake air flow control device for an electrode drying furnace for manufacturing a secondary battery, and more particularly, relates to an intake air flow control device for an electrode drying furnace for manufacturing a secondary battery as follows, The electrode drying furnace is configured to coat the current collector with electrode slurry including a solvent and dry the solvent, and the intake air flow control device of the electrode drying furnace includes: at least one electrode drying furnace, the at least one electrode The drying furnace has an intake pipe for supplying external air and an exhaust pipe for discharging a mixed gas containing air and a solvent; a sensor installed in the exhaust pipe to measure a solvent concentration in the exhaust gas; and A controller for adjusting the air supply and / or the gas discharge based on the information received from the sensor about the solvent concentration in the ...
Claims
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IPC IPC(8): F26B21/06H01M4/04H01M4/62G05D7/00
CPCG05D21/02F26B21/10H01M4/04H01M4/0404H01M10/052F26B15/00F26B21/00F26B25/22F26B21/12H01M4/64Y02E60/10F26B21/06H01M4/62G05D7/00
Inventor 朴元灿姜秉旭金敬浩林艺勋
Owner LG ENERGY SOLUTION LTD