Water quality analysis device
A technology for water quality analysis and port distribution, applied in the direction of testing water, material inspection products, etc., can solve the problems of shortening the service life and sealing performance of multi-channel directional valves, blocking multi-channel directional valves and pipelines, and high cost. The effect of long service life, low manufacturing cost and low failure rate
Inactive Publication Date: 2019-06-07
河北华厚天成环保技术有限公司
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Problems solved by technology
[0004] Common water quality analysis devices often use a multi-channel directional valve to extract samples and chemical reagents, and the waste liquid after the reaction is also discharged through the multi-channel directional valve, and the reaction between water samples and reagents often produces insoluble matter, which is discharged from the multi-channel directional valve It will block the multi-channel directional valve and the pipeline. When the valve rotates, the insoluble matter will also rub against the valve and damage the valve body, shortening the life and sealing performance of the multi-channel directional valve.
[0005] In the reaction vessel of the water quality analysis device, the stirring of the water sample and the reagent is often carried out by means of a magnetic stirrer, which is expensive and inconvenient to operate
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[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top "Face", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
[0020] Such as figure 1 As shown, a water quality analysis device includes a multi-channel directional valve 1. The multi-channel directional valve 1 has a common port g and multiple distribution ports a-f. Under the control of the control system, the common port g and its multiple distribution ports Any port in a-f is connected; the common port g of the multi-channel selector valve 1 is connected with the liquid-taking pipe 2, the other end of the liquid-taking pipe...
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Abstract
The invention discloses a water quality analysis device. The water quality analysis device comprises a multi-channel directional selection valve, which comprises one common port and a plurality of distribution ports. Under the control of a control system, the common port communicates with any of the plurality of distribution ports. The common port of the multi-channel directional selection valve is communicated with a liquid taking pipe; the other end of the liquid taking pipe is communicated with a three-way valve; the other two ends of the three-way valve are communicated with the lower endof a digestion container and a first fluid driver respectively; the upper end of the digestion container is communicated with a second fluid driver; and the other end of the second fluid driver is communicated with the air. The distribution ports of the multi-channel directional selection valve comprise a sample port, a reagent port, a cleaning fluid port and an air port. The water quality analysis device has the advantages of simple design, low manufacturing cost, high detection precision, good water quality analysis repeatability and long service life and has a stirring function.
Description
technical field [0001] The invention relates to the technical field of water quality analysis, in particular to a water quality analysis device. Background technique [0002] Water is the source of life. With the rapid development of society, the global environment is deteriorating day by day, leading to aggravated water pollution. Therefore, people pay more and more attention to environmental protection. [0003] With the acceleration of industrialization and the continuous improvement of urbanization, water pollution is also increasing. Therefore, the protection of water resources and the monitoring of sewage discharge have become one of the important national policies for sustainable development. The water quality analysis device can monitor the discharge of pollution sources in real time and continuously, which is of great significance for the control of the total amount of pollutants and the improvement of environmental management capabilities. [0004] Common water qu...
Claims
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Inventor 王珂征
Owner 河北华厚天成环保技术有限公司