WNG Thickening Tank Suspended Center Drive Sludge Scraper
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WNG Thickening Tank Suspended Center Drive Sludge Scraper
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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 Scrapermain 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
Product inquiry
Contact Information
No. 192, East Bianzhong Road, Chengqiao Street, Liuhe District, Nanjing
