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WN dredging pump

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WN dredging pump

Detailed


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WN series dredge pump is a kind of new type dredging  pump developed by our company using various advanced computer aided design software, aiming at the current situation of dilapidated, dredging and reclamation of rivers and lakes.

The series of this dredging pump has the characteristics of excellent dredging performance, long life, high efficiency, reliable shaft seal, comprehensive economic’benefits, and other characteristics, can fully meet the dredging pump requirements, also pass the CCS China Classification Society ship inspection.

 

At present, the series of dredge pumps have been successfully using in  domestic for  80m3 / h, 100m3 / h, 120m3 / h, 200m3 / h cutter suction, 350m3 / h bucket wheel and cutter suction, 500m3 / h cutter suction dredging Ship,   provide nearly 100 sets  pump using in  China's Yangtze River Basin, the Yellow River Basin, the Pearl River Delta, Huaihe River and other rivers and lakes,  for port dredging dredging filling .In 2006, the company successfully offer the largest domestic 1000WN dredging pump for the CCCC Shanghai Dredging Corporation Ltd.(SDC) using in 13500m3 / h drag-suction dredger and  received a good economic and social benefits.


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Performance and structural characteristics

The Good applicability of ship

The structure is simple and reliable

200WN ~ 500WN dredge pump using a  whole single pump shell, single-stage single-suction structure, according to the connection with the gear box can provide two typical structure, that is, comes with bracket and pump box combined. Bracket-type lubrication comes with grease lubrication or thin oil lubrication.

600WN ~ 1000WN dredge pump using whole double pump shell, single-stage single-suction cantilever horizontal structure, comes with brackets, forced oil lubrication. The double pump casing can make sure that  the volute t can be used until close to wear, and the pump chamber will not enter the water when the volute  is broken.

Easy disassembly, easy maintenance

WN-type dredging pump used front demolition structure, easy disassembly, maintenance; at the same time offer special tools for disassembly of various components

Impeller and shaft use four-headed trapezoidal screw connection, can pass a strong torque, and easy disassembly at the same time, there is an impeller removal ring on sleeve to removal the impeller easily

excellent dredging performance

 

 Cavitation performance is good

WN-type dredging pump has a good cavitation performance to ensure bigger suction ability, while achieving greater dug depth and higher respirable concentrations.

Good pass  capacity, wide applicability

WN-type impeller flow channel is width, can, continuously pump gravel or high plastic clay without clogging.

The performance curve drops abruptly

Make sure the pumping distance has adaptability.

The pump performance can be a variety of deployment

WN-type pump can change the impeller speed, or change the diameter of the pump impeller to achieve the same flow pump with head changes.

Good wear resistance,  long using life wet parts

Impeller, volute , front and back liner  (wear-resisting lining) using  anti-wear alloy cast iron with hardness of not less than 58HRC, have strong impact resistance and of anti-wear properties; The company successfully developed A31 material, hardness can reach 70HRC.

 

In the product design process, the service life of all the parts is matched with each other, and the replacement period of wear-resistant parts is basically the same, which reduces the maintenance and replacement cost.

Water loss is small, high efficiency, low power consumption

Due to the use of advanced hydraulic models, the efficiency of the pump is high. WN-type pump efficiency is 2 to 3 percentage points higher than the average level. In this way, at the same using condition , you can get lower fuel consumption.

Shaft seal is reliable and no leakage

200WN ~ 500WN dredge pump shaft seal using  mechanical seal ,packing seal or mechanical seal plus packing compound seal.

600WN ~ 1000WN dredge pump shaft seal using screw-type L-shaped rubber seal device, the seal device include  three L-shaped ring and a special thread with the sleeve composition.


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Operation field of 800WN pump.

TK series: TK1000-TK1200 series pumps.

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TK700/TK1200 Operation field.

 

 

Kingda advantage

Along with the national port construction accelerated, in recent years, our company developed a variety of large-scale dredging mud pump, including 600WN, 600WNQ, 700WN, 700WNQ, 800WN, 800WNQ, 850WN, 900WN, 1000WN, 1200WN and so on, are widely used in major Waterway Bureau, the Shanghai Waterway Bureau "Xin Haihu" No. 13500m3 trailingsuction the dredger is our own design and manufacture of large dredger mud pump, the ship 1000WN for our products; Tianjin Waterway Bureau dredger used our 1200WN mud pump is currently China's largest dredging pump, mud pump to fill gaps in the domestic large mud pump is mainly dependent on imports, received a good social and the economic benefits, the ship is running in good condition.


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