On-line water quality monitoring system and method, and water sample storing and taking device and method

A monitoring system and access device technology, applied in chemical instruments and methods, cleaning methods and utensils, cleaning hollow objects, etc., can solve problems such as inability to preserve original water samples for review, inability to close sewage pools in time, and environmental pollution.

Pending Publication Date: 2021-04-23
漳州环境再生能源有限公司
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  • Abstract
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Problems solved by technology

[0003] After the water sample test instrument is tested, the water sample is usually directly discharged to the sewage general discharge tank, and the original water sample cannot be preserved to meet the need of re-examination, and the water sample cann...

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  • On-line water quality monitoring system and method, and water sample storing and taking device and method
  • On-line water quality monitoring system and method, and water sample storing and taking device and method
  • On-line water quality monitoring system and method, and water sample storing and taking device and method

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Embodiment Construction

[0030] In order to describe the technical content, structural features, objectives and effects of the present invention in detail, the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0031] see figure 1 , is a schematic structural diagram of an online water quality monitoring system in an embodiment of the present invention. The online water quality monitoring system 100 is used to measure the chemical oxygen demand (COD) in water samples;

[0032] One end of the syringe pump 1 communicates with the liquid storage ring 3 , wherein the volume of the liquid storage ring 3 is larger than that of the syringe pump 1 .

[0033] The multi-channel directional valve 4 has a sampling channel, a reagent channel e and n connected to various reagents, an air channel d, an analysis channel o, a common channel a connected to the liquid storage ring 3, and a calibration solution connected to the calibration solution Channe...

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Abstract

The invention discloses an on-line water quality monitoring system and method, and a water sample storing and taking device and method. The system comprises a multi-channel direction selecting valve, an injection pump, a liquid storage ring, a detection chamber, a main sewage discharging pool and the water sample storing and taking device; a control water pump is further arranged at the bottom of the main sewage discharge pool, and a return pipeline for mounting a valve is arranged on a communicating pipeline between a sewage channel of the multi-channel direction selecting valve and the main sewage discharge pool; a sampling point is arranged behind a node where the communicating pipeline is communicated with the return pipeline; the water sample storing and taking device comprises a control device, a plurality of water sample storing and taking units and a water sample electric valve; each water sample access unit is connected with a sampling point through a water sample electric valve; and when the control device judges that the parameters of the detected water sample obtained by the detection chamber exceed the standard, the valve is closed, the control water pump is opened, and the detected water sample exceeding the standard is pumped back. According to the technical scheme, when the test data goes wrong, pumpback processing can be carried out in time, and instant manual sampling analysis is facilitated.

Description

technical field [0001] The invention relates to the technical field of water quality analysis, in particular to a water quality on-line monitoring system and method as well as a water sample access device and method thereof. Background technique [0002] The reducing substances in water include various organic substances, nitrite, sulfide, ferrous salt, etc., but the main ones are organic substances. Therefore, chemical oxygen demand (COD) is often used as an index to measure the content of organic substances in water. The most commonly used methods for the determination of chemical oxygen demand (COD) are acidic potassium permanganate oxidation and potassium dichromate oxidation. [0003] After the water sample test instrument is tested, the water sample is usually directly discharged to the sewage general discharge tank, and the original water sample cannot be preserved to meet the re-examination needs, and the water sample cannot be drawn for any period of time. Moreover...

Claims

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Application Information

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IPC IPC(8): G01N21/77G01N35/00G01N35/10B08B9/28
CPCB08B9/28G01N21/77G01N35/00G01N35/00584G01N35/00732G01N35/1016G01N35/1065G01N2035/00405G01N2035/00831
Inventor 刘栋阳张主江陈慧童桥南
Owner 漳州环境再生能源有限公司
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