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Central Drive Thickened Mud Scraper

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Central Drive Thickened Mud Scraper

The thickener is a commonly used thickening equipment in the concentrator. It uses the weight of the suspended solids to complete the settlement. The bottom of the thickening tank is usually designed as a cone with a certain angle, and the sludge settled at the bottom of the tank is continuous through the scraper fixed on the rake. The ground is scraped from the outside to the inside and discharged from the discharge port in the center of the pool bottom.
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1. Brief introduction of central drive thickened mud scraper

The thickener is a commonly used thickening equipment in the concentrator. It uses the weight of the suspended solids to complete the settlement. The bottom of the thickening tank is usually designed as a cone with a certain angle, and the sludge settled at the bottom of the tank is continuous through the scraper fixed on the rake. The ground is scraped from the outside to the inside and discharged from the discharge port in the center of the pool bottom.

2. the characteristics of the central drive thickened mud scraper

1. The central drive thickened mud scraper is composed of a rake frame, a vertical shaft drive device and an over-torque safety device.

2. The lower end of the vertical shaft extends into the mud hopper, and the bottom shaft end is fastened with a mud scraper to scrape and discharge the mud in the mud hopper to make it evenly discharged.

3. The driving device is a three-stage vertical cycloidal pinwheel reducer, which is connected with the vertical shaft with a jaw coupling. The reducer is fixed on the base of the working bridge, and the over-torque safety device is a safety shear pin, which is assembled in a chip-embedded coupling.

4. When there is excessive torque during operation, the shear pin will be cut to protect the entire mechanical equipment from damage.

5. The rake frame consists of two large rakes and two small rakes in a cross shape, parallel to the slightly conical bottom of the pool.

6. The rake frame and the vertical shaft are fixedly connected with a crosshead. The bearing on the vertical shaft is a combination of centripetal and thrust bearings, which are lubricated with lubricating grease. Underwater is a sliding bearing, composed of nylon bushings, etc., and is lubricated with pressurized water.

7. The sedimentation tank is of concrete or steel structure, the bottom of the tank is slightly conical, and the center of the bottom of the tank is an external mud discharge pipe for the mud hopper.

8. The working bridge is of concrete or steel structure. This equipment does not include the pool body and the working bridge. The user can solve it by himself. Our factory can design and manufacture the steel structure pool body and the working bridge on behalf of the user.

3.the principle of the central drive thickened mud scraper

The central drive thickened mud scraper is driven by a worm gear motor installed on the central water inlet column, and is driven by the internal meshing gear of the central slewing support to drive the frame steel structure, the suction pipe boom, the mud collection tank, the suction pipeline, The skimmer device and other components rotate. The mud suction system uses multiple equally spaced suction standpipes to guide the sedimented sludge to the suction port of the mud suction pipe through the scraper, and then flows into the mud collecting tank by hydrostatic pressure and is discharged out of the tank. form.

4.the composition structure of the central drive thickened mud scraper

The mud scraper is mainly composed of a bridge frame, a reduction motor plate, a mud suction pipe, a central mud collection tank, a slag skimmer steel water outlet channel, a water outlet weir plate, etc. as supporting accessories. Central slewing support, steady flow tube, frame steel structure, boom, etc. It is composed of mud collecting and scraping on-site control box and other components.

In addition, the steel water inlet pipe and the stainless drive device can adopt a worm gear motor, and a built-in compression spring type over-torque protection mechanism. The drive motor adopts Y-type motor, the power supply is 3P, 380V, 50HZ, the protection grade is IP55, and the F grade insulation.

When working, each suction pipe is a self-contained unit, and the suction concentration can be controlled by a flow regulating valve located in the central mud collecting tank. The local control box is outdoor type, stainless steel shell, double door seal, manual and remote control.

5. Matters needing attention in the operation of the central drive thickened mud scraper

1. Preparatory work before starting up: Check whether the reducer is refueled to the normal oil level, whether there is any foreign matter stuck in the operating part, and there should be no foreign matter such as wood blocks on the water surface to avoid malfunctions during operation.

2. Turn on the motor power and check the forward and reverse direction.

3. The oil in the reducer needs to be changed once after one month of use, and only once a year in the future.

4. During the operation, always pay attention to whether the operation is normal. If problems are found, the operation should be stopped in time for inspection.

5. It is strictly forbidden to put your hands on the track during use of the central drive mud scraper.

Keyword:
Central drive thickened mud scraper
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