Water quality detection pretreatment device
A pretreatment device and water quality detection technology, applied in the direction of measuring devices, sampling devices, testing water, etc., can solve the problems that affect the use and analysis of instruments, poor timeliness of water sample analysis, reduce the flow rate of water samples, etc., to improve the service life and Analyze accuracy, protect normal operation, and ensure the effect of pipelines
Pending Publication Date: 2021-03-09
苏州市善清水环境工程有限公司
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Problems solved by technology
At present, pretreatment is mainly carried out through the filter screen. However, if the mesh is set too large, it may not be able to filter out large particles such as sludge and aquatic plants, which will still affect the use and analysis of the instrument, and may also block the pipeline; If the mesh is set too small, the flow rate of the water sample will be reduced, resulting in a serious hysteresis between the water sample analyzed by the instrument (that is, the pretreated water sample) and the water sample collected by the sampling pump, resulting in the timeliness of water sample analysis. poor
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0022] Such as Figure 1 to Figure 3 As shown, embodiments of the present invention include:
[0023] A water quality monitoring pre-system, the system can be divided into an original sampling part, a pretreatment part, an analysis sampling part and a control part. The explanations are given below one by one.
[0024] Refer to Figure 1 for the original sampling part, which shows a schematic diagram of the original sampling part of the present invention, mainly including a sampling pump 11, a PVC pipeline, and a val...
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The invention discloses a water quality detection pretreatment device which comprises a Y-shaped filter, a water inlet ball valve, a water outlet ball valve, a filter screen, a sampling pump, a peristaltic pump, a sampling cup, a control device and an analysis device. A water inlet of the Y-shaped filter is connected with the sampling pump through a water inlet pipe, and the Y-shaped filter is used for carrying out primary filtration treatment on an original water sample collected by the sampling pump. The device has the beneficial effects that the technical scheme can effectively filter impurities in an original water sample collected by the sampling pump, protect the normal operation of an analysis instrument, prolong the service life of the instrument and improve the analysis accuracy;and besides, the smoothness of the pipeline is guaranteed, the resistance to the water sample in the conveying process is reduced, the time interval between analysis and original sampling can be shortened, and the representativeness of the water sample in the sampling cup and the timeliness of water sample analysis are improved.
Description
technical field [0001] The invention relates to the technical field of water quality detection, in particular to a water quality detection pretreatment device. Background technique [0002] Water quality monitoring is the process of monitoring and measuring the types of pollutants in the water body, the concentration and change trend of various pollutants, and evaluating the water quality status. In order to improve the representativeness of the water sample and eliminate the factors that interfere with the analysis of the instrument and affect the use of the instrument, after the water sample is collected by the sampling pump, the water sample must be pretreated. At present, pretreatment is mainly carried out through the filter screen. However, if the mesh is set too large, it may not be able to filter out large particles such as sludge and aquatic plants, which will still affect the use and analysis of the instrument, and may also block the pipeline; If the mesh is set to...
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IPC IPC(8): G01N1/14G01N33/18
CPCG01N1/14G01N33/18G01N2001/1418
Inventor 胥修能谢依薇
Owner 苏州市善清水环境工程有限公司