Combined slag scraper

Abstract

The utility model provides a combined slag scraper which comprises an air floatation tank body, and a slag scraping mechanism and a skimming mechanism are arranged above the air floatation tank body; the scum scraping mechanism comprises chain wheels and a chain arranged between the chain wheels, a scraping plate is installed on the chain, the scraping plate moves to scrape scum on the surface of the air floatation tank body from the front end to the rear end, and a photoelectric switch used for detecting the position of the scraping plate is installed at the rear end of the air floatation tank body; the skimming mechanism is located at the rear end of the air floatation tank body and comprises a rotating shaft transversely erected on the two sides of the air floatation tank body, spiral blades are arranged on the rotating shaft in the axial direction of the rotating shaft, and a scum outlet matched with the skimming mechanism is formed in one side of the air floatation tank body. A conventional sludge discharge area and a conventional sludge partition plate are omitted, scum collected to the rear end by the scraper is discharged from one side by the aid of the skimming mechanism, space utilization rate is increased, the air floatation equipment is shorter under the same load condition, and space use requirements of customers can be met.

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