Siphon type water level controllable fish toxicological water flow test system

Abstract

The invention provides a siphon type water level controllable fish toxicological water flow test system, which includes a bearing water amount control device, a venom flow control device, a temperature control device and an illumination control device, a peristaltic pump and a water pump. The bearing water amount control device comprises a test cylinder and a three-way design able to adjust the internal cylinder water level; the venom flow update device comprises the peristaltic pump and a toxic test solution supply cylinder; and the temperature control device comprises a water bath tub and a temperature control unit. According to the invention, with the design combining the peristaltic pump with the three-way device, the biological bearing capacity and water change frequency can be controlled accurately. Water exchange adopts a top-down design, can better update test water, and is easier to clear fish metabolic products.

Description

technical field [0001] The invention relates to the field of test equipment, in particular to a siphon type fish toxicology flowing water test system with controllable water level. Background technique [0002] At present, the devices of related inventions mainly solve the problems of poison concentration configuration, test temperature control, and light time and intensity control, but most of the water outlet of the test cylinder adopts an overflow design. The main problems and shortcomings of the overflow design are: first, the height of the overflow hole in the design of the overflow tank cannot be changed after being determined, so that the carrying capacity of the test water body in the tank cannot be changed, and it cannot meet the needs of fish in different conditions. Changes in water carrying capacity requirements with increasing body weight during life stages. The second is that during the long-term test (usually 1 month or longer), the fish need to be fed, and t...

AI Technical Summary

Problems solved by technology

[0002] At present, the devices of related inventions mainly solve the problems of poison concentration configuration, test temperature control, and control of light time and intensity, but most of the water outlets of the test tanks are overflow designs.

The main problems and shortcomings of the overflow design are: first, the height of the overflow hole in the design of the overflow tank cannot be changed after being determined, so that the carrying capacity of the test water body in the tank cannot be changed, and it cannot meet the needs of fish in different conditions. Changes in water carrying capacity requirements with increasing body weight during life stages

The current overflow design is inconvenient to clean fish metabolites and impurities. At the same time, the overflow design cannot ensure effective renewal and exchange of the lower part of the test water body, which makes the test water quality uncertain.

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