Pipe-wall-free flowing pool apparatus for water quality detection

A technology of water quality detection and flow cell, which is applied in measuring devices, transmittance measurement, and material analysis through optical means, and can solve problems such as blocking the passage of light, affecting detection results, and affecting measurement accuracy.

Inactive Publication Date: 2017-07-25
NANKAI UNIV
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  • Abstract
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Problems solved by technology

[0004] The disadvantage of this conventional design is that as the equipment is used longer, a lot of impurities in the water sample will be attached to the wall of the flow cell, which will affect the test results, and the spectral measurement requires a high degree of cleanliness of the tube wall, so The tube wall needs to be cleaned or replaced regularly, otherwise it will seriously affect the measurement accuracy and even block the passage of light

Method used

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  • Pipe-wall-free flowing pool apparatus for water quality detection
  • Pipe-wall-free flowing pool apparatus for water quality detection

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Embodiment example

[0016] attached figure 2 It is another specific implementation case. In this case, liquid droplets are used to focus ultraviolet light transmission, and micro-area measurement of transmission spectrum or fluorescence spectrum measurement. This method can save liquid samples, has high stability, and is suitable for micro-sampling measurement.

[0017] Its core idea and figure 1 Consistently, flow cells without tube walls are used. its with figure 1 The difference is: figure 2 It is a miniaturized detection device. The water inlet pipe and the receiving tank are very small, and the distance between them is only a few millimeters. Each time a droplet drips from the water inlet pipe, the droplet can fill the gap between the water inlet pipe and the receiving tank. The incident light beam is directly irradiated on the droplet. After detection, the droplet is drawn out by the receiving pool. Since only one droplet exists in the gap, and the water droplet will be adsorbed in the...

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Abstract

The present invention provides a pipe-wall-free flowing pool apparatus for water quality detection. The pipe-wall-free flowing pool apparatus is characterized in that a water inlet pipe is not directly connected to a receiving pool, a flowing pool does not have pipe wall, the effluent of the water inlet pipe does not passes through a water guiding pipe (tubular flowing pool) and directly falls into the receiving pool, the water in the water inlet pipe is controlled by a pressure stabilization device so as to ensure the uniform thickness of the falling water column and avoid the measurement error caused by the non-uniform water column, a light transmitting protection cover is arranged outside the apparatus so as to prevent the water bloom from splashing, and a detection light beam directly irradiates a water sample to be detected, such that the influence of the accumulation of the impurity in the water onto the pipe wall on the detection result can be avoided.

Description

technical field [0001] The invention relates to a flow cell device used for water quality detection, in particular to a flow cell system without pipe wall which can avoid deposition and pollution of impurities in water. Background technique [0002] With the development of social economy, the status of water resources is becoming more and more important. Water quality detection has become an important topic in many fields such as aquaculture, industry, and environmental protection, and it has very important application value for the research and development of various water quality detection equipment. [0003] The design idea of ​​conventional water quality testing equipment is: the water sample to be tested flows into the tubular flow cell through the water inlet pipe, and the flow cell is the measurement area. After the water sample to be tested passes through the flow cell, it is received and exported by the receiving pool. The incident light is incident from the side o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/59G01N21/01
CPCG01N21/01G01N21/59
Inventor 徐晓轩赖翔王斌付苏阳时金蒙李昊宇
Owner NANKAI UNIV
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