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公开(公告)号：US20220276215A1
公开(公告)日：2022-09-01
申请号：US17637452
申请日：2020-09-02
Applicant: KURITA WATER INDUSTRIES LTD.
Inventor： Nobuaki NAGAO
Abstract: A water sampling device for water quality measurement is capable of changing the sampling amount, the number of sampling container(s), the sampling container type and so on according to the item of water quality measurement. Water in a water system can be sampled into a first container Y1 via a sampling source pipe 1, a manifold 2, and a first sampling pipe 3 and a pump P1 connected to the manifold 2. Water in the water system also can be sampled into a second container Y2 from the manifold 2 via a second sampling pipe 4 and a pump P2. In a case where the detection value(s) of one or more of the sensors S1 to S3 set in the water system exceeds a preset standard value or deviates from a standard range, water to be tested is sampled from the water system.
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公开(公告)号：US20210262933A1
公开(公告)日：2021-08-26
申请号：US17053356
申请日：2019-08-09
Applicant: KURITA WATER INDUSTRIES LTD.
Inventor： Nobuaki NAGAO
Abstract: Provided is a flocculation state monitoring sensor with which blockage of an ejecting part which ejects a gas towards a light emitting part and a light receiving part can be prevented, and which performs stable monitoring. A flocculation state monitoring sensor comprising: a light emitting part which irradiates laser light towards a measuring region which measures a flocculation state; and a light receiving part which receives light scattered along a direction which intersects with a direction along an optical axis of said light emitting part, wherein the light emitting part and the light receiving part are cleaned by air being ejected from nozzles theretowards. A small amount of air is provided to the nozzles between cleaning periods to purge floc, etc.
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