A field device for online biological monitoring of water quality

Abstract

The invention discloses a field device for biologically monitoring water quality online. The defects that tested organisms need to be fed by foods, the tested organisms need to be replaced periodically, monitoring is limited to a specific monitoring site and medium / long-term online biological monitoring cannot be realized in the conventional online water quality biological monitoring are overcome. The scientific requirements of medium / long-term biological monitoring early warning which reflects water toxicity change in a natural water body can be met. According to the device, a rule that hyriopsis cumingii can be subjected to hanging culture in lakes and reservoirs for ingesting plankton and a physiological phenomenon that the shell of the hyriopsis cumingii is tightly closed after the hyriopsis cumingii is stressed are fully utilized, and the shell motion of the hyriopsis cumingii is induced by using a sensor fixed on the shell of the hyriopsis cumingii, so that the biological toxicity monitoring of the water quality is performed. According to the device, a floating platform and a floating ball are fixed on a monitoring site by utilizing a mooring anchor, a signal emitter is supported by buoyancy supporting the floating platform, and the hyriopsis cumingii and the sensor are supported by utilizing buoyancy of the floating ball, so that the hyriopsis cumingii and the sensor are suspended in the water body. The shell closing response of the hyriopsis cumingii is induced by utilizing the sensor, a signal is transmitted to the signal emitter through a wire, the signal is received by utilizing a signal receiver arranged ashore for performing analytical processing, and the water quality is subjected to scientific early warning and monitoring.

Description

technical field [0001] The invention belongs to the technical field of environmental monitoring and relates to a field device for online biological monitoring of water quality. Background technique [0002] At present, sudden pollution accidents in waters at home and abroad occur frequently (such as the cadmium pollution incident in the Longjiang River in Guangxi, the Songhua River pollution incident, etc.), which seriously threaten people's production and life, especially the sudden pollution accidents involving drinking water sources. more threats to people's lives. How to accurately and timely reflect the toxicity of water pollution is a scientific problem that environmental scientists have to solve. Scientists at home and abroad are actively exploring the water quality online biological monitoring technology for sudden water pollution accidents. Sudden water pollution accidents can reflect changes in water quality in a timely manner through online monitoring of certain ...

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to overcome the defects that the existing online biological monitoring of water quality needs to feed the tested organisms, needs to replace the tested organisms regularly, is limited to a specific monitoring site, and cannot realize medium and long-term online biological monitoring. A new on-site device for online biological monitoring of water quality; this device fully utilizes the law that the triangular sail clam can be suspended in lakes and reservoirs to feed on plankton and the physiological phenomenon that the triangular sail clam closes its shell after being stressed. The sensor senses the movement of its shell to monitor the water quality for medium and long-term biological toxicity; it is characterized in that it includes: floating balls, supporting hollow steel pipes, ropes for fixing the triangle sail, the triangle sail, and the triangle sail-like rear wing of the triangle sail Perforation, sensor, signal transmitter, support frame, support buoyancy platform, anchor cable, sensor connecting wire, fixed anchor and signal receiver; use the buoyancy of the support buoyancy to support the signal transmitter, use the buoyancy of the buoyancy ball to support the triangle sail and The sensor makes the triangular sail clam suspend in the water body, fixes the floating platform and the floating ball at the monitoring point with fixed anchors, uses the sensor to sense the stress closure response of the triangular sail clam, and transmits the signal to the signal transmitter through the wire. Use the signal receiver installed on the shore to receive the signal for analysis and processing, and carry out early warning and monitoring of water quality changes

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