Layered ecological floating bed for intensifying natural biofilm suspension membrane and construction method

Abstract

The invention relates to a layered ecological floating bed for intensifying a natural biofilm suspension membrane and a construction method. The vertical floating bed is formed by four layers which are a plant growth area, a combined packing area (1), a flotage area (2) and a suspension packing area from top to bottom. The combined packing area and the flotage area form a floating bed frame (4); anatural biofilm suspension membrane is arranged in the floating bed frame; the flotage area is filled with aquaculture floating balls (3); in the suspension packing area, a vertical elastic packing (6), a combined packing (7), a biological rope and a nanometer material are suspended on a packing suspension rope (5). According to the layered ecological floating bed for intensifying the natural biofilm suspension membrane and the construction method provided by the invention, a biofilm technology is combined with the ecological floating bed, and an improved characteristic of the vertical layered ecological floating bed structure and a matrix-adding function are fully utilized, so that the depth of the floating bed provided by the invention in water is greatly lager than the depth of a traditional ecological floating bed in water, and the floating bed provided by the invention also has a water body purification function in a deeper water body. The layered ecological floating bed for intensifying the natural biofilm suspension membrane provided by the invention is applicable to eutrophication restoration of water bodies such as rivers, lakes and aquaculture ponds.

Description

technical field [0001] The invention relates to a layered ecological floating bed and a construction method for strengthening natural biofilm hanging film, which belong to the technical field of water treatment. Background technique [0002] Eutrophication of water bodies is a global environmental problem. Under the influence of human activities, a large amount of nutrients such as nitrogen and phosphorus required by organisms enter slow-flowing water bodies such as lakes, rivers, bays, etc., causing algae and other plankton to multiply rapidly, the amount of dissolved oxygen in water bodies decreases, water quality deteriorates, and biodiversity Sexuality is reduced, and the water body ecosystem is damaged. With the emergence of water eutrophication around the world, more and more researchers and environmentalists have developed a variety of treatment technologies and are committed to the restoration of the water environment. Among them, the ecological floating bed restora...

AI Technical Summary

Problems solved by technology

[0003] There are problems in the traditional ecological floating bed: due to the limited height of the planting area of ​​the traditional ecological floating bed, and generally using a mesh fixed substrate to fix the vegetables, there are very few types of vegetables that can be planted, limited by the structure, and the carrying capacity on the surface of the water body is limited. Limit the amount of planting of aquatic plants

No filler is added in the planting area, the root system of aquatic plants is directly exposed to the water body, and it is easy to be bitten by fish, which seriously affects the growth of aquatic plants and the purification of water body

Without adding various types of fillers, the surface area for microorganisms to attach is very limited, and it is difficult to provide sufficient surface area for microorganisms to attach and hang films

The film-hanging process in natural water bodies is long, and the film-hanging process is easily restricted by environmental conditions, which severely limits the biofilm-hanging film and the purification effect of biofilm on water purification.

Images