Main purpose
It is widely used for sludge discharge of circular sedimentation tank in water supply and drainage engineering. The equipment adopts peripheral transmission. The sewage flows in from the water inlet pipe in the center of the tank. After diffusion through the flow stabilizing cylinder, it flows out evenly in a radial shape to the periphery. The suspended sludge is deposited at the bottom of the tank after sedimentation. The driving device drives the working bridge to rotate along the periphery and drives the scraper arm and scraper to rotate. After scraping and collecting the sludge, the scraper sucks the sludge from the sludge suction pipe to the sludge collecting tank by relying on the hydrostatic pressure in the tank, and then discharges it out of the tank through the central sludge discharge pipe, The scum on the water surface is introduced into the slag bucket and discharged out of the pool through the rotary slag skimming device; The supernatant overflows into the outlet tank through the triangular outlet weir plate and is discharged. The peripheral drive mud scraper is suitable for radial flow sedimentation tanks with large, medium and small tank diameters of central water inlet, peripheral water outlet and central sludge discharge. It is mainly used for sludge suction and discharge in the secondary sedimentation tank of urban sewage treatment plant.
Working principle
After the sewage diffuses from the inlet pipe in the center of the tank through the guide cylinder, it flows out evenly in a radial shape to the periphery. The suspended sludge is deposited at the bottom of the tank after sedimentation. The supernatant is discharged from the outlet tank through the overflow weir plate, and the sludge scraper is scraped from the periphery of the tank to the central sludge collecting tank, which is discharged out of the tank through the sludge discharge pipe according to the water pressure in the tank. Drive the lower part of the main beam and the sludge scraper along the center line of the main beam at the speed of 2.0m/min, and drive the lower part of the main beam and the sludge scraper along the center line of the main beam. A scum scraper is set near the liquid level and extends to the hinged scum scraper along the central steady flow cylinder. When the main beam rotates, the scum scraper skims the scum on the liquid level from the center of the pool to the periphery of the pool and collects it in the hinged scum scraper area. The collected scum moves around the pool with the main engine to the skimming bucket, which is scraped into the skimming bucket through the hinge of the scum scraper and discharged out of the pool.
main performance
1. Mud scraping at the bottom of the tank and skimming on the water surface. The driving device adopts shaft mounted gear reduction motor and driving roller direct drive, with compact structure and high mechanical efficiency;
2. Parallel dislocation line mud scraper, good continuity and high efficiency of mud collection; A mud scraping rubber plate is installed under the stainless steel mud scraping plate to ensure that the mud scraping is completely clean and there will be no floating mud.
3. The slope ratio of tank bottom is 1:10, and the sludge resistance during sludge scraping can be ignored; Special hinged structure, strong overload capacity.
4. The main beam is made of square steel with high structural strength. It adopts the process of hot galvanizing and spraying finish paint, which has strong anti-corrosion performance.
5. Simple operation and remote control.
It can adapt to the sedimentation tank with a diameter of 10 ~ 50m
Half bridge, half bridge reinforced and full bridge structure can adapt to different sludge volumes
Logarithmic spiral mud scraper with high mud collection efficiency
Hinged wiper arm to avoid overload damage to the equipment
There is a small scraper with loose sludge in the sump
Optional materials: carbon steel epoxy anticorrosion, stainless steel SS304, stainless steel SS316L
Optional: central guide cylinder, V-shaped outlet weir plate, slag skimming device (slag baffle and support, slag skimming plate, slag discharge cylinder, etc.)
parameter
model |
Pool diameter D(m) |
Pool depth H(m) |
Peripheral linear velocity
(m/min) |
Driving power
(KW) |
Total weight of equipment
(Kg) |
| FLBG12 |
12 |
3.5 |
~2 |
0.55 |
5000 |
| FLBG14 |
14 |
3.5 |
0.55 |
6000 |
| FLBG16 |
16 |
3.5 |
0.55 |
7000 |
| FLBG17 |
17 |
3.5 |
0.55 |
7500 |
| FLBG18 |
18 |
3.5 |
0.55 |
8000 |
| FLBG20 |
20 |
3.5 |
0.55 |
9000 |
| FLBG25 |
25 |
3.5 |
0.55 |
12000 |
| FLBG30 |
30 |
4.0 |
0.75 |
13500 |
| FLBG35 |
35 |
4.0 |
0.75 |
15000 |
| FLBG40 |
40 |
4.5 |
1.1 |
17500 |
| FLBG50 |
50 |
4.5 |
1.5 |
21000 |
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