Lithium Battery Electrode Drying Kiln Exhaust Heat & Moisture Recovery

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Project Background

Before calendering, power-battery electrodes must be treated in a drying kiln, with exhaust air being highly humid and hot.

Challenges

Drying energy is a large share of line power use, and high ambient humidity hurts electrode quality.

Solution

Desiccant Rotor DehumidifierSupplies low-dew-point dry air, combined withRotary Heat Exchangerrecovering and reusing exhaust energy.

Results

Drying-kiln energy reduced by 15%, with the dew point stably controlled below -20℃.

极片干燥窑排湿热回收

锂电池极片干燥窑排出高湿高温废气，转轮换热器可回收其中能量用于新风预处理，在降低烘箱能耗的同时维持低露点工艺环境。该方案与除湿系统协同，是锂电节能与品质控制的关键环节。

露点协同

干燥窑低露点要求严苛，热回收与除湿应整体设计，避免回收段成为湿源；材质与密封需满足工艺洁净等级。

露点协同

干燥窑低露点要求严苛，热回收与除湿应整体设计，避免回收段成为湿源；材质与密封需满足工艺洁净等级，确保产品质量稳定，并降低除湿机的再生能耗。

低湿工艺对稳定性敏感，建议配置冗余与在线监测，降低非计划停机；监测数据还可用于预测性维护，延长设备寿命。

建议配置冗余与在线监测以匹配低湿工艺的稳定性要求，监测数据还可用于预测性维护，在故障前预警，最大限度降低非计划停机风险与质量波动。