A high-furrow enhanced surface flow constructed wetland system and its operation method

Abstract

The invention discloses a high-ridge reinforced surface-flow constructed wetland system and an operation method thereof. The high-ridge reinforced surface-flow constructed wetland system comprises a water inlet tube, a water distributing weir, a bed body, a water outlet weir and a water outlet tube, wherein a substrate is fed in the bed body; the water inlet tube and the water outlet tube are arranged on the bed body; the water distributing weir and the water outlet weir are arranged at the water inlet tube side and at the water outlet tube side in the bed body respectively; the bottom surface of the bed body is inclined towards the water outlet end from the water inlet tube, the gradient is 3.5%-5%, and a high ridge is formed in the surface of the substrate by ditching. The high-ridge reinforced surface-flow constructed wetland system comprises a submerged type operation method and an un-submerged operation mode. The high-ridge reinforced surface-flow constructed wetland system is small in floor space, convenient to operate, maintain and manage and low in investment and operation cost, the contact area of the substrate is increased, the adsorption and filter efficiency of the substrate is relatively high, the emergent aquatic plants, the submerged plants and the floating plants are planted in a matched manner to increase the varieties of the plants, the sewage purifying effect is improved, and a relatively suitable living environment is provided for the aquatic organisms to make a wetland system biological chain relatively complete.

Description

technical field [0001] The invention relates to a construction and operation method of a surface flow constructed wetland system for purifying domestic and other organic sewage, and belongs to the technical field of water treatment. Background technique [0002] Constructed wetland is a comprehensive ecological system that is artificially built, controlled and operated in imitation of natural wetlands. After the sewage is discharged into the constructed wetland in a controlled manner, it is adsorbed, filtered and decomposed by the media, plants and microorganisms in the wetland under the synergistic effect of physics, chemistry and biology, achieving good benefits for sewage treatment and resource utilization. At the same time, because constructed wetlands have many advantages such as low investment, operation and maintenance costs, a wide range of applications, strong impact resistance and strong loads, they have been widely used. According to the water distribution method...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems of low water purification efficiency and turbidity in the existing surface flow constructed wetlands, the present invention provides a Takaki enhanced surface flow constructed wetland system and its operating method that can realize the diversity of aquatic animals and plants and can significantly improve the water purification efficiency

Images