Device for detecting total nitrogen and total phosphorus in water sample
A technology for detecting devices and water samples, which is used in measurement devices, preparation of test samples, color/spectral property measurement, etc., can solve the problems of shortening digestion and measurement time, slow heating and digestion time, etc., to shorten digestion and measurement time. , avoid secondary pollution, improve the effect of detection efficiency
Pending Publication Date: 2020-12-18
安洲源(上海)环境科技有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the above-mentioned deficiencies and provide a detection device for total nitrogen and total phosphorus in water samples, which uses ultrasonic cavitation effect in conjunction with ultraviolet light sources to digest the components in water
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[0026] like figure 1 figure 2 As shown, a total nitrogen and total phosphorus detection device in water samples includes a sampling module 2 , an ultrasonic-assisted ultraviolet digestion module 3 and a detection and analysis module 4 arranged in a first box 1 .
[0027] like figure 2 As shown, the sampling module 2 includes a water sample storage tank 2001, a digestion solution storage tank 2002, a chromogenic agent storage tank 2003, a four-way pipe 2004, and a first peristaltic pump 2005 arranged in the first box body 1. A box door 2006 is hinged on the body 1, wherein the box door 2006 is provided with an observation window 5, which is convenient for staff to observe the working status of the equipment in the first box body 1 . like Figure 7 As shown, the four-way pipe 2004 includes a first nozzle 2007, a second nozzle 2008, a third nozzle 2009 and a fourth nozzle 2010, as figure 2 As shown, the water sample storage tank 2001 communicates with the first nozzle 2007...
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The invention discloses a device for detecting total nitrogen and total phosphorus in a water sample. The device comprises a sample injection module, an ultrasonic synergistic ultraviolet digestion module and a detection analysis module which are arranged in a first box body, the ultrasonic synergistic ultraviolet digestion module comprises an ultrasonic digestion tank and an ultraviolet digestionmechanism which are arranged in the first box body, the bottom of the ultrasonic digestion tank is fixed in the first box body through a damping support, an ultrasonic generator is installed at the bottom of the ultrasonic digestion tank, and an ultrasonic transducer is installed at the bottom in the ultrasonic digestion tank; and the ultrasonic generator is electrically connected with the ultrasonic transducer. According to the device for detecting the total nitrogen and the total phosphorus in the water sample, the ultrasonic cavitation effect is cooperated with the ultraviolet light sourceto digest components in the water sample so that the digestion and measurement time is greatly shortened, and the problem of slow heating digestion time of the total nitrogen and the total phosphorusin the prior art is solved; and the detection efficiency, the detection result accuracy and the detection result stability are improved.
Description
technical field [0001] The invention relates to the technical field of water quality detection, in particular to a detection device for total nitrogen and total phosphorus in water samples. Background technique [0002] Nitrogen and phosphorus are one of the essential elements for the growth of organisms. However, if the total nitrogen and total phosphorus content in the water body is too high, it will cause a large number of organisms and microorganisms to multiply, resulting in eutrophication of the water body, especially near seas, lakes, and reservoirs. Therefore, total nitrogen And total phosphorus is one of the important indicators to measure water quality. Existing devices and methods for digesting and measuring total phosphorus and total nitrogen in water samples take about 1.5 hours to digest and measure, all of which have the problem of long digestion and measurement times. This problem has become a water quality issue. Key issues that urgently need to be solved i...
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Login to View More IPC IPC(8): G01N1/44G01N21/78G01N21/31G01N21/01
CPCG01N1/44G01N21/78G01N21/31G01N21/01G01N2021/786G01N2021/0112
Inventor 李燕
Owner 安洲源(上海)环境科技有限公司