Modular biological film-ecological floating bed combined purification system

Abstract

The invention relates to the field of water pollution manage and ecological restoration, and discloses a modular biological film-ecological floating bed combined purification system, which comprises an ecological floating bed module and a biological filler module, wherein the ecological floating bed module comprises a bamboo raft, a geogrid and lightweight matrix ecological rods and aquatic plants, the bamboo raft is formed by arranging adult Phyllostachys heterocycla, the bamboo raft is provided with spaces, the lightweight matrix ecological rods are fixed in the spaces of the bamboo raft, the aquatic plants are planted on the lightweight matrix ecological rods, the geogrid is fixed below the bamboo raft, and is used for supporting the lightweight matrix ecological rods, the biological filler module comprises a biological filler, a first perforated pipe and a second perforated pipe, the first perforated pipe and the second perforated pipe are respectively provided with pores, both ends of biological fillers are respectively fixed on the pores of the first perforated pipe and the second perforated pipe, and the first perforated pipe is arranged on the Phyllostachys heterocycla in the bamboo raft in a suspended manner. According to the present invention, the purification system can significantly remove nitrogen and phosphorus from water body, and can significantly improve the water quality.

Description

technical field [0001] The invention relates to the field of water pollution control and ecological restoration, in particular to a modular biofilm-ecological floating bed combined purification system. Background technique [0002] Ecological floating bed is a kind of water ecological restoration technology derived from modern agronomic soilless planting technology. It is also commonly called ecological floating island, biological floating bed, artificial floating bed, artificial floating island or biological floating island. In recent years, with the comprehensive advancement of my country's water pollution prevention and control work, this ecological restoration technology known as "water garden" has been widely used in many areas of our country. As far as engineering measures are concerned, the main difference between the ecological floating bed and natural plant purification is that the ecological floating bed uses light materials to fix the aquatic plants and float on t...

AI Technical Summary

Problems solved by technology

[0004] However, there are some problems in the actual application of the current biofilm-ecological floating bed combined purification technology, which are mainly manifested in: (1) In terms of the combination of biological filler and ecological floating bed, the biological filler is usually directly suspended under the ecological floating bed, which is inconvenient to install. The construction is difficult; (2) in the planting of floating bed plants, planting baskets or planting pots are usually used for planting, and the plants are easy to lodging; (3) in order to ensure buoyancy and plant planting requirements, plastic floating plates are usually used in the ecological floating bed module, The cost is generally high; (4) In natural water bodies, biofilm fillers have very limited purification capabilities for nitrogen and phosphorus, and mainly rely on the absorption of floating bed plants to purify nitrogen and phosphorus nutrients, while the growth of floating bed plants is limited by water quality. When the water quality is good, the growth of the floating bed plants is poor due to insufficient nutrient supply, and when the water quality is poor, some floating bed plants cannot grow normally. Therefore, the purification effect and impact resistance of the floating bed plants on nitrogen and phosphorus are not ideal.

[0005] At present, the utility model patent with the patent number of 201520157125.5 discloses a new type of ecological floating bed, including a floating frame, a floating bed body, a floating bed plant and a biological filter material. The lower end of the floating frame and the other end of the biological filter material are fixed at the bottom of the water, which is inconvenient to install and difficult to construct; the floating bed body includes the main board of the floating bed, the planting holes on the main board of the floating bed and the floating bed matrix in the planting holes, and the main board of the floating bed is Polyethylene foam board, easy to break and deform, high cost, and easy to cause microplastic pollution

Images