A multi-level ecological fish farming method based on the use of waste water from hot spring swimming pools

Abstract

The invention relates to a multi-hierarchy ecological fish culturing method based on utilization of hot spring swimming pool waste water. A multi-hierarchy ecological treatment system based on the utilization of hot spring swimming pool waste water is constructed. The multi-hierarchy ecological treatment system comprises three parts: a hot spring swimming pool part, a swimming pool waste water ecological treatment part and a fish culturing part, wherein the swimming pool waste water ecological treatment part is a narrow and circuitous ecological treatment channel by which a drainage channel ofthe swimming pool waste water is set so that a volume is 5-10 times greater than a daily water discharge of a swimming pool, and divided to two sections. The first-section ecological treatment channel is a sand oil tunnel directly excavated on the ground, two walls and bottom are treated by hardening treatment, and spiral seaweeds are put into the water; and the second-section ecological treatment channel is a sand oil tunnel directly excavated on the ground, two walls and bottom are not treated by the hardening treatment, aquatic plants are planted, and river prawns, freshwater mussels and rhodeus ocellatus are put. Through a technical scheme of the multi-hierarchy ecological fish culturing method, while the hot spring swimming pool waste water reaches the fish culturing part, water quality of the waste water is harmless to fishes, and fish culture can be performed in various modes according to the need.

Description

technical field [0001] The invention belongs to the technical field of comprehensive application of agricultural production using geothermal heat and hot spring water resources, and in particular relates to a multi-level ecological fish farming method based on using waste water from hot spring swimming pools. Background technique [0002] Our country is very rich in geothermal resources. Many regions have geothermal hot springs. When hot springs are discovered in the local area, hot spring resorts are generally built, which brings huge economic benefits. Just because hot spring resort tourism can bring many benefits, places with hot springs pay more attention to hot spring construction, while ignoring the treatment and further utilization of a large amount of hot spring wastewater. into rivers, sewers, etc. Even if some places use hot spring water, they just dug bigger pits to use the cooled hot spring water to raise fish, but not all hot spring water can be cooled to raise...

AI Technical Summary

Problems solved by technology

Even if some places use hot spring water, they just dug bigger pits to use the cooled hot spring water to raise fish, but not all hot spring water can be cooled to raise fish, because most of the hot spring water contains sulfates and other Mineral elements, and the PH value is also high, which is not good for the growth of fish and aquatic crops

[0003] At present, the way to raise fish after treating the sulfate-rich hot spring water is generally to sprinkle chemicals, such as barium carbonate, etc., to form insoluble barium sulfate with sulfate to precipitate, or to use activated carbon for adsorption, and then to raise fish. Sprinkling chemicals is not in line with the concept of eco-environmental protection, while using activated carbon needs to be replaced frequently, and the effect is not very good

It is well known that hot springs rich in sulfate and alkaline water are beneficial to human health. The wastewater discharged from hot spring pools can be used for fish farming after treatment. crumbs, sweat, urine and other components need further processing before they can be used in production

Some places try to use hot spring swimming pool wastewater to raise fish with strong stress resistance such as tilapia. Although the fish did not die, it is generally reported that the fish meat is bitter, which is not recognized by the market.

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