Method for in-situ decentralized treatment of pig free-ranging manure liquid

Abstract

The invention discloses a method for in-situ decentralized treatment of pig free-ranging manure liquid. The method comprises the following steps: enabling to-be-treated sewage to enter and fill a pretreatment unit from top to bottom through a water inlet pipe, settling a part of sludge in a sludge box at the bottom, and enabling the water body subjected to flocculation settling to enter the bottom of a phosphorus removal main reaction unit through a water pipeline and stably flow from bottom to top; enable the water to fully contact and react with a micro-electrochemical functional ceramsite material so as to adsorb and degrade soluble phosphorus harmful substances in the sewage; and similarly, transferring the water body to an advanced treatment unit from a dephosphorization main reaction unit from bottom to top, conducting advanced treatment by adopting a membrane technology and a strong electrochemical technology, and letting the purified reclaimed water automatically flow out of a water outlet in the upper part of the unit to be discharged. The method has a treatment technical system with low cost, low energy consumption, easy maintenance, high efficiency and low secondary pollution risk and a rural domestic sewage treatment mode, and is helpful for improving the rural human settlement environment.

Description

technical field [0001] The invention belongs to the technical field of ecological environment protection, and in particular relates to a method for distributing and treating feces from free-range pigs on site. Background technique [0002] At present, the well-known secondary biochemical treatment technology widely used in urban sewage treatment is already a fairly complete treatment technology system, but it is difficult to apply to the vast rural areas far away from the suburban pipe network. One of the reasons is the large amount of construction work. The investment is large, the operating cost is high after the plant is built, and the treatment process is highly technical, so there is no obvious comparative advantage under the existing conditions in the vast rural areas of our country. A large number of facts show that: in the face of the vast rural areas as the "main area of ​​ecological conservation", it is urgent to vigorously develop and promote small concentration, ...

AI Technical Summary

Problems solved by technology

[0002] At present, the well-known secondary biochemical treatment technology widely used in urban sewage treatment is already a fairly complete treatment technology system, but it is difficult to apply to the vast rural areas far away from the suburban pipe network. One of the reasons is the large amount of construction work. The investment is large, the operating cost is high after the plant is built, and the treatment process is highly technical, so there is no obvious comparative advantage under the current conditions in the vast rural areas of our country.

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