To provide a recovery facility for sediment at a bottom of water and a recovery method for the sediment at the bottom of the water allowing the facility to suppress the amount of dissolved metals from the sediment at the bottom of the water and to be downsized.SOLUTION: Provided are: a recovery facility for sediment at a bottom of water comprising a suction pipe (21), a sediment separation tank (11), a solid-liquid separation tank (44), a first connection pipe (23A), a second connection pipe (23B), a third connection pipe (23C), a fourth connection pipe (23D), a fifth connection pipe (23E), a first three-way valve (50), a second three-way valve (51), and an open/closable valve (52); and a recovery method for the sediment at the bottom of the water using the same.SELECTED DRAWING: Figure 1
【課題】水底堆積物からの金属溶出量を抑制できるとともに設備を小型化できる、水底堆積物回収設備及び水底堆積物回収方法を提供する。【解決手段】吸引管(21)と、沈殿分離槽(11)と、固液分離槽(44)と、第一の連結管(23A)と、第二の連結管(23B)と、第三の連結管(23C)と、第四の連結管(23D)と、第五の連結管(23E)と、第一の三方バルブ(50)と、第二の三方バルブ(51)と、開閉バルブ(52)と、を備える水底堆積物回収設備、並びにこれを用いる水底堆積物回収方法。【選択図】図1
RECOVERY FACILITY FOR SEDIMENT AT BOTTOM OF WATER AND RECOVERY METHOD FOR SEDIMENT AT BOTTOM OF WATER
水底堆積物回収設備及び水底堆積物回収方法
2021-04-01
Patent
Electronic Resource
Japanese
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