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Sea water COD automatic detector

A detector and automatic technology, applied in the direction of instruments, measuring devices, scientific instruments, etc., can solve the problems affecting the accuracy and precision of seawater COD, the increase of instrument detection cycle, the pollution of detectors and pipelines, etc., and achieve fast detection speed. , Simple structure, high digestion efficiency

Inactive Publication Date: 2009-12-09
天津市兰力科化学电子高技术有限公司
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Problems solved by technology

However, the detector needs to be tested under alkaline conditions. Precipitation of hydroxide and manganese dioxide in the solution leads to inhomogeneous solution, serious light scattering, and contamination of detectors and pipelines, resulting in large detection errors and instability. Directly affect the accuracy and precision of seawater COD detection; the instrument uses cold light source photometric titration to judge the titration end point, which increases the detection cycle of the instrument, slow detection speed and low efficiency

Method used

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  • Sea water COD automatic detector
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Embodiment Construction

[0026] In order to further understand the content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0027] See attached figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 and Figure 6 .

[0028] Seawater COD automatic detector, including industrial computer, control device, detection device and instrument software. The industrial computer is respectively connected with the control device and the detection device, and the instrument realizes automatic detection with the support of software. The detection device includes a motor 1, a double-piston pump 7, a proportional distribution valve 10, a digestion tank 8 and a photoelectric detector 26. The motor shaft is connected to the double-piston pump through a screw rod, and the double-piston pump 7 is connected to a meter 9. Meter 9 is divided into meter A and meter B; meter 9A and meter 9B ...

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Abstract

The invention relates to a seawater COD automatic detector and belongs to the automatic detection technical field. The seawater COD automatic detector comprises a control device and a detect device, wherein, the control device is connected with the detect device and controls the detect device. The invention is characterized in that the detect device comprises a motor, a double plunger pump, a digestion device and a photoelectric sensor, a motor shaft is connected with the double plunger pump by a screw mandrel, the double plunger pump is respectively connected with a meter A and a meter B, which are connected with the seawater to be detected and a reagent pipeline through a pipeline and an electromagnetic valve and are connected with the digestion device through the pipeline and the electromagnetic valve, the digestion device is connected with the photoelectric sensor through the pipeline and the electromagnetic valve, the controller is connected with and controls the motor and the electromagnetic valve. The invention has the advantages of simple structure, convenient operation, reliable performance, stable motion, accurate and flexible detection, high detection efficiency, the integrated processes of the data processing, the data storing and the data transmitting, etc.

Description

technical field [0001] The invention belongs to the technical field of automatic detection, in particular to a seawater COD automatic detection instrument. Background technique [0002] At present, the existing seawater COD detector, such as the development of Shandong Evergrande Environmental Protection Technology Development Co., Ltd., patent number ZL01216778.9, adopts a double-pump and double-valve pipeline system, a cold light source photometric titration method to determine the titration end point, and computer software technology Realized full automation of measurement, cleaning, calibration (calibration), sampling, and temperature control; remote control of automatic measurement cycle and measurement start time, remote calibration of the clock; networking function to realize remote data transmission; data will never be lost after power failure, After power on, the system automatically resumes work and other functions. However, the detector needs to be tested under a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/17
Inventor 范清杰訾言勤
Owner 天津市兰力科化学电子高技术有限公司
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