Rectangular secondary sedimentation tank mud scraper deviation rectifying device

Abstract

The invention discloses a rectangular secondary sedimentation tank mud scraper deviation rectifying device which comprises two sets of racks, a rotating shaft is arranged between the ends of the two sets of racks, each set of rotating shaft is sleeved with two sets of chain wheels, the chain wheels on the same horizontal line are connected through chains, and a plurality of sets of connecting plates are fixedly installed on the two sets of chains at equal intervals. A scraping plate is inserted into the surface of the connecting plate, a deviation rectifying support is arranged at the position, close to the chain wheel, of the inner side face of the rack, and a large pulley and a small pulley are arranged on the deviation rectifying support. According to the rectangular secondary sedimentation tank mud scraper deviation rectifying device, the deviation rectifying steel wire ropes are additionally arranged on the two sides of the scraping plate, the shaking phenomenon generated by the scraping plate can be limited and corrected, emptying of the tank body is not needed, the cost is reduced, the steel wire ropes are located on the pulleys and can rotate, and therefore part of acting force generated by the scraping plate is transferred into sliding friction force, the contact damage is reduced, the device is suitable for different working conditions, and better use prospects are brought.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to a deviation correcting device for a mud scraper in a rectangular secondary sedimentation tank. Background technique [0002] The non-metallic chain type mud scraper is a kind of mud scraper equipment, which is suitable for skimming the inner surface of the rectangular primary sedimentation tank and secondary sedimentation tank and scraping mud at the bottom. It is characterized by a large number of scraping plates, strong mud scraping ability, The moving speed is slow, the disturbance to the sewage is small, and it is conducive to the sedimentation of mud and sand; the scraper is easy to encounter hard obstacles in the process of scraping mud, causing shaking. Over time, the scraper is easy to shift or fall from the scraper seat. If the scraper of the traditional non-metallic chain scraper equipment deviates, it is necessary to correct the deviation after emptying the pool body. I...

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Problems solved by technology

[0002] The non-metallic chain type mud scraper is a kind of mud scraper equipment, which is suitable for skimming the inner surface of the rectangular primary sedimentation tank and secondary sedimentation tank and scraping mud at the bottom. It is characterized by a large number of scraping plates, strong mud scraping ability, The moving speed is slow, the disturbance to the sewage is small, and it is conducive to the sedimentation of mud and sand; the scraper is easy to encounter hard obstacles in the process of scraping mud, causing shaking. Over time, the scraper is easy to shift or fall from the scraper seat. If the scraper of the traditional non-metallic chain scraper equipment deviates, it is necessary to correct the deviation after emptying the pool body. In this way, there is an extra link for emptying the pool body, which increases the equipment maintenance cycle and maintenance costs, and brings certain costs during use. adverse effects, for this reason, we propose a rectifying device for a rectangular secondary sedimentation tank mud scraper

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