Sewage treatment device

Abstract

The invention provides a sewage treatment device, and belongs to the technical field of sewage treatment. The technical problem that an existing sewage treatment device is poor in treatment effect is solved. The device comprises a water inlet pipe, an inner tank and an outer tank, the inner tank and the outer tank are barrel-shaped, openings are formed in the upper ends of the inner tank and the outer tank, and the position height of the opening in the upper end of the inner tank is lower than that of the opening in the upper end of the outer tank. The end of the water inlet pipe extends to the position over the opening in the upper end of the inner pool, one side of the outer pool is connected with a water drainage pipe, and a sludge discharge port is formed in the center of the bottom of the inner pool and communicates with the outside through a sludge discharge pipe. A plurality of sludge scraping pieces are arranged on the upper side of the bottom of the inner tank, are distributed in a surrounding manner in the circumferential direction of the sludge discharge port and can move in the circumferential direction of the sludge discharge port. A plurality of driving pieces in one-to-one correspondence with the sludge scraping pieces are arranged on the upper side of the bottom of the outer tank, and magnetic attraction structures are arranged between the driving pieces and the sludge scraping pieces. When the sludge scraping pieces rotate, stirring on sewage is small, precipitation is facilitated, and the sewage purification effect is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment and relates to a sewage treatment device. Background technique [0002] With the continuous improvement of the quality of life, the degree of environmental pollution is gradually deepening. The continuous pollution of the environment will not only have a great impact on the biological chain, causing the demise of a large number of endangered species, but also environmental pollution will cause great harm to people's health. In view of the serious situation of my country's sewage treatment construction, the state's policy of encouraging the use of recycled water will also provide a broad market space for the advanced sewage treatment business. [0003] The sedimentation method is one of the most common methods of sewage treatment. It uses the settleability of suspended particles in water to produce sinking under the action of gravity to achieve a process of solid-liquid separation. Accordi...

AI Technical Summary

Problems solved by technology

Sludge sedimentation tank is the equipment often used in the sedimentation method to treat sewage. Sewage enters the sludge sedimentation tank, and the sludge in the sewage settles at the bottom of the tank. The sludge at the bottom of the tank is sent to the sewage at the bottom However, due to the large radius of the sludge settling tank, the longer and thinner scraper needs to be supported by connecting many supporting frames on the upper part, and the rotation of these supports will give the sludge settling tank water Generate a certain amount of agitation, which is not conducive to sludge sedimentation

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