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WNG Thickening Tank Suspended Center Drive Sludge Scraper

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WNG Thickening Tank Suspended Center Drive Sludge Scraper

Product serial number
Product description

1.Application of WNG Thickening Tank Suspended Center Drive Sludge Scraper

It is used in gravity sludge thickening tank of sewage treatment plant to scrape and collect the concentrated sludge to the sludge collecting pit at the bottom of the tank for further sludge dewatering treatment.

2.Features of WNG Thickening Tank Suspended Center Drive Sludge Scraper

1. Fewer transmission links, high mechanical efficiency and compact structure

2. An over-torque protection mechanism can be set up as needed. When the torque reaches the set value, it will automatically alarm and stop to ensure the safe and reliable operation of the equipment.

3. The main shaft adopts a tubular structure with high rigidity, and there is no bearing at the bottom of the pool, which eliminates the maintenance work of the bottom of the pool with extremely bad environment.

4.Construction and working process of WNG Thickening Tank Suspended Center Drive Sludge Scraper

WNG series thickening tank mud scraper is driven by suspension center, as shown in Figure 1. It consists of vertical reducer with electric motor, rotary bearing with external teeth, main shaft, scraping arm, scraper, concentration grid, steady flow cylinder, Control cabinet, etc.

Driven by the transmission device, the scraper arm rotates around the central axis of the pool, and the scraper on the scraper arm pushes the sludge deposited on the bottom of the pool from the outside to the inside to the pool center mud collecting pit. During operation, the transmission is over-torqued due to unexpected reasons such as scraper and scraper arm being jammed by foreign objects or too much sludge. When the torque reaches the set value, the over-torque protection mechanism will act, cut off the power supply, and automatically alarm and stop.
5.
Product Specifications of WNG Thickening Tank Suspended Center Drive Sludge Scraper

main parameter

WNG4

WNG5

WNG6

WNG7

WNG8

WNG9

WNG10

WNG12

WNG14

WNG16

Pool diameter  D1  (m)

4

5

6

7

8

9

10

12

14

16

Scraper arm diameter D2 (m)

3.6

4.6

5.6

6.6

7.6

8.6

9.6

11.6

13.6

15.6

pool depth h1 (m)

3

3.6

4

4.4

4.8

Mud pit height h2(m)

0.5

0.6

Upper diameter of mud pit D3 (m

1.2

1.5

2

Inner diameter of embedded board ΦA   mm

550

650

Bolt hole circle ΦB mm

700

950

Outer diameter of embedded boardΦC   mm

900

1100

Working bridge width Fmin  mm

≥1000

≥1200

 

6.Structure diagram of WNG Thickening Tank Suspended Center Drive Sludge Scraper


 

Keyword:
WNG
Center Drive Sludge Scraper
Center drive mud scraper
mud scraper

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