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Probe type water quality multi-parameter online monitor and monitoring method thereof

A monitor and multi-parameter technology, applied to the probe-type water quality multi-parameter online monitor and its monitoring field, can solve problems such as interference, limited test range, and chromaticity

Active Publication Date: 2016-01-20
浙江微兰环境科技有限公司
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Problems solved by technology

[0007] The traditional UV dual-light path COD online monitor generally uses mercury lamp light source. The luminous characteristics of the low-pressure mercury lamp determine that the 254nm spectrum is intelligently selected for COD measurement, and the 546nm spectrum is used for turbidity compensation. However, when measuring COD at 254nm, due to the 254nm spectrum The absorption is too large, which limits the test range
However, 546nm is in the visible light band and is used for turbidity compensation. It will be interfered by chromaticity and affect the effect of turbidity compensation.

Method used

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  • Probe type water quality multi-parameter online monitor and monitoring method thereof
  • Probe type water quality multi-parameter online monitor and monitoring method thereof

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Embodiment Construction

[0028] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0029] A probe-type water quality multi-parameter online monitor, the monitor includes a meter controller 9, a transmission cable 8, a scrubbing device and a probe body 7, and the probe body 7 includes a light source module 6, a detection module and a circulation sample chamber 2; the meter controller 9 is respectively connected to the light source module and the detection module scrubbing device in the probe body 7 through the transmission cable 8; mouth; in the process of immersing in the water body, the water sample can fill the sample chamber 2 as the object to be detected. The light source module 6 is arranged on one side of the circulation sample chamber 2, and includes a light source constant temperature module 5, a first LED light source for chemical oxygen demand measurement, a second LED light source for turbidity compe...

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Abstract

The invention relates to an environment online monitor and a monitoring method thereof. A probe type water quality multi-parameter online monitor comprises a meter head controller, a transmission cable and a probe body; the probe body comprises a light source module, a detection module and a circulating sample chamber. The invention further discloses monitoring methods of the monitors manufactured according to any technical scheme. Due to the adoption of the technical scheme, three parameters of the chemical oxygen demand (COD), turbidity and chromaticity can be measured at the same time. Meanwhile, by means of accurate turbidity measurement, a final ultraviolet absorbing method COD measurement result is compensated for.

Description

technical field [0001] The invention relates to an online environmental monitor and a monitoring method thereof. Background technique [0002] Chemical oxygen demand (COD) is the main indicator in environmental monitoring, and COD and turbidity are important indicators in surface water and groundwater monitoring. The traditional monitoring method requires two independent devices. At the same time, the COD monitoring process uses a chemical reaction process, which requires high temperature, high pressure and toxic chemicals. There are problems such as long measurement period, high secondary pollution, and large maintenance. [0003] When used for surface water monitoring, the traditional COD online monitor using chemical colorimetry is bulky and has the risk of secondary pollution, so it is not suitable for surface water monitoring. And it cannot be well integrated with monitoring parameters such as turbidity and color. [0004] The absorption of specific wavelength ultravi...

Claims

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Application Information

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IPC IPC(8): G01N21/33G01N21/35
Inventor 朱坚磊陈科陈水苗龚真
Owner 浙江微兰环境科技有限公司
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