Adsorption and removal device for multiple heavy metal ions in wastewater

The utility model provides a device for adsorbing and removing various heavy metal ions in wastewater, which comprises a first pH regulating tank, a first treatment tank, a second pH regulating tank and a second treatment tank, a plurality of first heavy metal ion adsorption columns are arranged in the first treatment tank, and a plurality of second heavy metal ion adsorption columns are arranged in the second treatment tank; the pH value of the wastewater is adjusted through the first pH adjusting tank and the second pH adjusting tank, so that the heavy metal ion adsorption column adsorbs in the optimal pH range, heavy metal ions in the wastewater are fully adsorbed and removed, and the adsorption efficiency of the heavy metal ions is greatly improved. 本实用新型提供了一种废水中多种重金属离子吸附除去装置，包括第一pH调节罐、第一处理罐、第二pH调节罐、第二处理罐，第一处理罐内设有多个第一重金属离子吸附柱，第二处理罐内设有多个第二重金属离子吸附柱；通过第一pH调节罐、第二pH调节罐调节废水的pH值，从而使得重金属离子吸附柱在最佳的pH范围内吸附，进而充分将废水中重金属离子吸附去除，大大提高了重金属离子的吸附效率。