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System and method for treating wastewater by recycling calcium carbonate
The invention discloses a system and a method for treating wastewater by recycling calcium carbonate. The system comprises a softening device, a precipitation device, a clarification device, a sludgedewatering device, a filtering device, a membrane concentration device, a calcium carbonate calcining device, a calcium oxide curing device and an evaporative crystallization device, wherein the softening device, the precipitation device, the clarification device, the filtering device, the membrane concentration device and the evaporative crystallization device are sequentially connected; the sludge dewatering device is connected with the precipitation device, the calcium oxide curing device is connected with the softening device, and the calcium carbonate calcining device is respectively connected with the sludge dewatering mechanism, the clarification device and the calcium oxide curing device. The system for treating waste water by recycling calcium carbonate can reduce system energy consumption, reduce carbon emission, effectively recycle sludge, reduce system operation cost and realize waste water treatment resource recycling.
本发明公开了一种循环利用碳酸钙处理废水系统及其方法。该循环利用碳酸钙处理废水系统包括软化装置、沉淀装置、澄清装置、污泥脱水装置、过滤装置、膜浓缩装置、碳酸钙煅烧装置、氧化钙熟化装置以及蒸发结晶装置，所述软化装置、沉淀装置、澄清装置、过滤装置、膜浓缩装置以及蒸发结晶装置依次顺序连接，所述污泥脱水装置与所述沉淀装置连接，所述氧化钙熟化装置与所述软化装置连接，所述碳酸钙煅烧装置分别与所述污泥脱水机构和所述澄清装置、所述氧化钙熟化装置连接。循环利用碳酸钙处理废水系统能够减少系统能耗、减少碳排放、有效回收利用污泥、减少系统运行成本、实现废水处理资源化循环利用。
System and method for treating wastewater by recycling calcium carbonate
The invention discloses a system and a method for treating wastewater by recycling calcium carbonate. The system comprises a softening device, a precipitation device, a clarification device, a sludgedewatering device, a filtering device, a membrane concentration device, a calcium carbonate calcining device, a calcium oxide curing device and an evaporative crystallization device, wherein the softening device, the precipitation device, the clarification device, the filtering device, the membrane concentration device and the evaporative crystallization device are sequentially connected; the sludge dewatering device is connected with the precipitation device, the calcium oxide curing device is connected with the softening device, and the calcium carbonate calcining device is respectively connected with the sludge dewatering mechanism, the clarification device and the calcium oxide curing device. The system for treating waste water by recycling calcium carbonate can reduce system energy consumption, reduce carbon emission, effectively recycle sludge, reduce system operation cost and realize waste water treatment resource recycling.
本发明公开了一种循环利用碳酸钙处理废水系统及其方法。该循环利用碳酸钙处理废水系统包括软化装置、沉淀装置、澄清装置、污泥脱水装置、过滤装置、膜浓缩装置、碳酸钙煅烧装置、氧化钙熟化装置以及蒸发结晶装置，所述软化装置、沉淀装置、澄清装置、过滤装置、膜浓缩装置以及蒸发结晶装置依次顺序连接，所述污泥脱水装置与所述沉淀装置连接，所述氧化钙熟化装置与所述软化装置连接，所述碳酸钙煅烧装置分别与所述污泥脱水机构和所述澄清装置、所述氧化钙熟化装置连接。循环利用碳酸钙处理废水系统能够减少系统能耗、减少碳排放、有效回收利用污泥、减少系统运行成本、实现废水处理资源化循环利用。
System and method for treating wastewater by recycling calcium carbonate
循环利用碳酸钙处理废水系统及其方法
LIU HUI (author) / SAI SHIJIE (author) / WANG QIAOLING (author) / YU ZHANHAI (author) / ZHAO TING (author) / SHANG TING (author) / MENG LU (author)
2020-10-13
Patent
Electronic Resource
Chinese
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