Submersible pump type multifunctional upper-lower water layer exchange machine

Abstract

The invention relates to the technical field of aquaculture pond water quality ecological regulation, and provides a fishery machine used for promoting sufficient exchange of upper and lower bottom water in a culture pond. The machine comprises a submersible pump, a water delivery pipe, a cylindrical float, a spraying head, and the like. When working is started, the submersible pump draws bottom layer water and silt flocs, and the bottom layer water and silt flocs are sprayed through the spraying head and fall onto the water surface, such that upper and lower bottom water can be sufficiently exchanged. Through promoting the sufficient exchange of the upper and lower bottom water of the pond, phenomena of upper and lower water temperature stratification, upper and lower dissolved oxygen stratification and upper and lower pH stratification are broken through; a situation of lower bottom dissolved oxygen deficiency is ameliorated; water upper and lower pH values are kept balanced and stable; and accumulation of harmful substances such as nitrite, hydrogen sulfide, ammonia, methane and the like is effectively reduced. Also, pond bottom silt resuspension and re-release are promoted, such that rich nutrients and rich microbial populations in the sediment are released into water; algal and bacterial phase scientific management is facilitated; and pond ecological environment self-purification capacity is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of ecological regulation and control of water quality in aquaculture ponds, and in particular relates to a fishery machine that promotes sufficient communication between upper and lower bottom water bodies of aquaculture ponds. Background technique [0002] In the high temperature season of aquaculture, especially in sunny days, the upper and lower layers of the pond water formed by the water temperature are very obvious. break in. This phenomenon of upper and lower stratification is not only water temperature stratification, but also leads to dissolved oxygen stratification, pH stratification, and even water body substance stratification. These stratifications have become a major obstacle to the normal operation and cycle of the pond ecosystem, so they must be broken. [0003] 1. Dissolved oxygen is layered up and down. The main source of dissolved oxygen in ponds comes from the photosynthesis of algae, g...

AI Technical Summary

Problems solved by technology

Since the impeller type or waterwheel type aerators, including the surge type aerators that have been newly put on the market in recent years, these fishery machinery are all stirring and turning up the water flow in the upper surface water layer, it is difficult to make the lower water, especially the bottom water and the upper layer water for full communication

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