Jiangsu Guangyang Dynamic Environmental Equipment Co.,ltd
Tel:+0086-(0)510-87896688/87891880
Fax:+0086-(0)510-87896699
Address:Industry Area,East Town of GaoCheng,YiXing City,JiangSu Province,China
Post code:214214
E-mail:sh@gysh.com.cn
Website:www.gysh.com.cn
Sludge Scraper
Sludge Scraper
Ⅰ.Overview
The sludge scraper is mainly used in the round sedimentation tank with the larger diameter in the urban wastewater treatment plants, waterworks and industrial wastewater treatment plants to remove the sludge collected at the bottom of the sedimentation tank and skim off the scum on the water surface of the sedimentation tank.
The sludge scraper consists of driving device, working bridge, main scraper, auxiliary scraper, center turntable, scum skimming device, overflow weir board and slag trap, current collecting device, etc. In order to achieve the best sedimentation effect and sludge discharge effect, it is necessary to set up a guide tube to the sedimentation tank that water flows in from the center and flows out from the surrounding part.
Ⅱ. Working Principle
The sludge scraper drives the working bridge to rotate along the plane surface of the sedimentation tank, the working bridge drives the scraping arm to rotate, then the scraper attached to the scraping arm gradually scrapes the sludge from the side of the sedimentation tank to the sludge collector in the center of the sedimentation tank. The curve of the sludge-scraping plate is a rotating logarithmic curve, so it bears uniform force and can thoroughly scrape the sludge. When there are obstacles at the bottom of the sedimentation tank, it can automatically let it go to protect the machine from damage. The driving device is equipped with torque protection device to make the work safer.
Ⅲ. Structure
This sludge scraper is mainly composed of working bridge, driving device, sludge-scraping device and scum-scraping device, so it has a good rigidity. The driving wheel is made by steel frame, and its outer lining is made by wear-resisting rubber (the outer lining can also be made by special wear-resisting nylon), so it has the high friction coefficient and can operate smoothly. The sludge-scaping bridge is connected to the central bearing bracket with hinge joint, which can eliminate the influence of the uneven track surface, equipment installation, operation and other errors on the central pivotal bearing, improve the stress condition of the bearing and increase its service life. After the motor is slowed down by the reducer, it makes the driving wheel move in a circling motion along the sidewall of the tank. The sludge-scraping plate at the lower part of the sludge-scraping frame scrapes the sludge at the bottom of the sedimentation tank to the central sludge collecting tank, and the sludge is discharged out of the tank by special sludge discharging pump or its self-pressure.
Ⅳ.Product Characteristics
1.The sludge-scraping plate adopts a logarithmic rotating curve and can move along the bottom of the tank by using the rubber wheels, so it has a good sludge removal effect and has low requirement for the bottom condition of the tank, thus it can be widely used;
2.In addition to the main scraping device, a unique auxiliary scraping device is also equipped, which makes the half-bridge sludge-scraping device have the function of the full-bridge sludge-scraping device;
3.The working bridge adopts truss structure, and the bridge floor is made of steel lattice plates, so it has high intensity, light weight and low energy consumption;
4.Driving wheel is solid rubber wheel, and no track is required. It has the simple structure and easy to install;
5.Components under the water are made of stainless steel, and the components above the water are made of carbon steel and treated by hot dip galvanizing, so these components have the good corrosion resistance and long service life.
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