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Water quality measurement device

A technology of water quality measurement and water line, which is applied in the direction of measuring devices, sampling devices, testing water, etc., can solve the problems of measurement accuracy drop, sensor getting dirty, etc., and achieve the effect of preventing measurement accuracy drop

Inactive Publication Date: 2019-09-17
KURITA WATER INDUSTRIES LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] When the sensor measures the water quality of wastewater with a high concentration of the substance to be measured, the sensor becomes dirty and the measurement accuracy decreases

Method used

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Embodiment Construction

[0016] Embodiments will be described below with reference to the drawings.

[0017] figure 1 It is a structural diagram of the water quality measuring device of embodiment. The water quality measuring device is used to measure figure 2 The water quality of raw water, intermediate water A, B, and discharge water H of the waste water treatment apparatus 10 is shown.

[0018] The wastewater treatment device 10 is configured to treat raw water by a first treatment device (such as an aerobic biological treatment device) 11, a second treatment device (such as a pressure flotation device) 12, and a third treatment device (such as a filter device) 13. , and then released. The first treated water flowing out from the first treatment device 11 is collected as intermediate water A via the collection line 14, and the second treated water flowing out from the second treatment device 12 is collected as intermediate water B via the collection line 15. It collects.

[0019] figure 1 Th...

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Abstract

When the water quality of effluent H and intermediate water A, B is measured, the effluent H and the intermediate water A or B is caused to flow from pipes 40, 50, or 60 to a measurement column 84 via pipes 37, 80, 83, and the water quality is measured by a sensor 85. In cases where the water quality of raw water R is measured, the effluent H and the raw water R are introduced from pipes 40, 70, mixed by a line mixer 38, caused to flow to the measurement column 84 via the pipe 80, a three-way valve 81, and the pipe 83, and measured for water quality by the sensor 85.

Description

technical field [0001] The present invention relates to a water quality measuring device, and particularly relates to a water quality measuring device suitable for measuring the water quality of water having a high concentration of a substance to be measured, such as biologically treated effluent, which is organic effluent. Background technique [0002] When the water quality of the water to be treated in the wastewater treatment facility is measured by a sensor, a conductivity meter, an absorbance photometer, a pH meter, an ORP meter, etc. are used (Patent Document 1). [0003] After mixing dilution water with sample water to a concentration suitable for measurement, water quality measurement is performed (Patent Document 2). [0004] Patent Document 1: Japanese Patent Laid-Open No. 2014-4550. [0005] Patent Document 2: Japanese Unexamined Patent Publication No. 2002-107352. [0006] When the sensor measures the water quality of wastewater with a high concentration of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/18
CPCG01N1/2035G01N33/18G01N2001/205C02F1/008G01N1/10C02F2101/30C02F2209/003C02F2209/40
Inventor 中野吉雅
Owner KURITA WATER INDUSTRIES LTD