ZW одноступенчатый горизонтальный самовсасывающий канализационный насос может быть настроен из нержавеющей стали

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Цена:82 694,82 ₽*

Количество:

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1、 Introduction to ZW self priming non clogging sewage pump

ZW type self-priming non clogging sewage pump is a new type of pump which integrates self-priming and sewage discharge according to the structure and performance of ZX self-priming centrifugal pump and QW submersible sewage pump, and drawing on the advantages of similar products abroad. It can be like the general water self-priming pump The sample does not need to install the bottom valve, does not need to inject water, but also can suck the dirt, sediment, waste mineral impurities, sewage and colloid liquid of fecal treatment project, which contains 60% of the diameter of the outlet diameter and the fiber length is 1.5 times of the impeller diameter. It can completely reduce the labor intensity of manpower, and is easy to install and use, with few maintenance and good performance. It has a broad application market and development Prospects
The company has strong technical force, rich production experience and perfect detection means, and the product quality is stable.

2、 Advantages of ZW self suction non clogging sewage pump:

1. Strong discharge capacity: impeller anti blocking design, high efficiency and no blockage.
2. High efficiency and energy saving: good hydraulic model is adopted, and the efficiency is 3-5% higher than that of general self-priming pump.
3. Good self-priming performance: the self-priming height is 1 m higher than the general self-priming pump, and the self-priming time is shorter.

3、 Technical parameters of ZW self suction non clogging sewage pump:

Flow: 5-800m3 / h;
Lift: 12-60m;
Motor power: 2.2-55kw;
Speed: 1450-2900r / min;
Diameter: φ 25 - φ 300;
Medium temperature: ≤ 100 ℃;
Self priming height: 4.5-6.0m.

4、 ZW type self priming non clogging sewage pump

1. The shorter the suction pipe, the better, and the length should not exceed 10m.
2. If the pump is used to pump thicker and sticky slurry, it is necessary to clean the pump cavity to prevent sediment left in the pump.
3. When the self-priming pump is used for the first time, the pump chamber still needs to be filled with water.
4. After 3000 hours of normal operation, the water pump should be disassembled for inspection and maintenance, and the vulnerable parts that are not suitable for reuse should be replaced when necessary.
5. This pump can be made to order, with high concentricity, enhanced stability and more economical, but maintenance is a little troublesome.
























Fault phenomenon
                    Possible causes
                          Exclusion method


The automatic centrifugal pump does not discharge water
1.There is no liquid storage in the pump shell 2. Air leakage in suction pipe 
3. The speed is too low 4. The suction head is too high or the suction pipe is too long 
5. The leakage of mechanical seal is too large 
6. The gas in the suction line cannot be
discharged from the outlet
1. Add enough storage liquid 
2. Check and eliminate air leakage 
3. Adjust the speed 
4. Reduce the suction head too high or shorten
the suction line 
5. Repair or replace 
6. Let it out

The noise and vibration of self-priming centrifugal pump are large
1. The foundation is not stable 
2. The pump shaft is bent 
3. Cavitation 
4. The bearing is seriously worn 
5. There are impurities in the inlet pipeline 
6. The main shaft of pump and motor are not concentric
1. Reinforcement 
2. Replace or correct 
3. Adjust the working condition 
4. Replacement 
5. Remove debris 
6. Adjust the coaxiality

Insufficient water output of self-priming centrifugal pump
1. Impeller passage and suction pipe are blocked 
2. The impeller or impeller seal is seriously damaged 
3. Insufficient power or
low speed

1. Remove the blockage 
2. Replace the ring 
3. Add enough power and adjust to rated speed

Excessive power consumption of self-priming centrifugal pump shaft
1. excessive flow 
2. the speed is too high 
3. the pump shaft is bent or the impeller is jammed 
4. the flow passage in the pump is
blocked or stuck

1. Increase the outlet pressure 
2. Reduce it appropriately 
3. Replace or correct 
4. Remove the blockage




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