Multistage-precipitation sewage treatment device and precipitation method thereof

Abstract

The invention discloses a multistage-precipitation sewage treatment device and a precipitation method thereof. According to the multistage-precipitation sewage treatment method, a triangular filter frame is arranged in a first-stage precipitation pond, and a right side inclining face of the triangular filter frame is provided with a water inlet; a settling space is arranged in the triangular filter frame, and a left side inclining face of the triangular filter frame is provided with a water outlet; the inside of the triangular filter frame is moveably connected with a baffle, and sealing plates are arranged in a second-stage precipitation pond; a filtering box is arranged between the sealing plates, and the top part of the filtering box is provided with a first filtering plate. The precipitation method includes steps of (1), adjustment of inclination angle of a blow-down apparatus; (b), primary sewage precipitation; (c), sewage microbiological treatment by a water collecting tank; (d), re-precipitation of purified water. The first-stage precipitation pond and the second-stage precipitation pond are adopted for precipitation for many times so as to separate particles from water for many times; clean water after precipitation can be used as household water, thus separating effect between particles and water is improved; moreover, the precipitation efficiency is high, the separation impact function is small, and the safety is high.

Description

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AI Technical Summary

Benefits of technology

This technology helps prevent larger debris from getting inside your main settling tanks by allowing small amounts of liquid into one area while keeping other areas free for heavier liquids.

Problems solved by technology

Technological Problem: Current methods for disposing wastewater involve physical processes such as settling out suspended solids with different sizes before they can be collected separately. These techniques have limitations due to their slowness and difficulty handling large amounts of liquid that may contain harmful substances like pesticides (pesticide residue) which could affect public health if released into rivers without being treated properly.

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