Automatic Exhaust Circulator Pump

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Q:What is the current of the pump when it is started?
Just started when the pump current is 2-3 times the rated current is normal, so, the power is greater than the pump motor, many small factories in order to survive, the small motor will cut corners, produces motor burning phenomenon, and pump failure caused by load current is increased, and the pump flow rate exceeds the rated flow is a super current. General large water pump is the first to start the water pump, and then open the outlet valve, is to solve the pump just started when the ultra current problems.After excluding pump fault flowmeter check flow is beyond the rated flow, the excess can pumpslittle off flow control valve to reduce the current problems above are not dismantle the motor current of the motor itself over to see how to judge whether the motor has fault.
Q:What is the definition of the pump in the capacity of the pump?
I don't know very well about your work there;General pump is a one, or two with a preparation work; pump and standby pump capacity is big, the maintenance of pumps is provided here, said in the overhaul, overhaul maintenance enabled pump, pump capacity can be greatly reduced, as long as the pump 1/4, thus reducing the volume of the standby pump the.
Q:How do I know the pump pressure?
Flow 18 cubic meters / hour, lift 100 meters, power 4 kilowatts.The pressure supplied by the pump is 1.0Mpa, which is 10 kg pressure.Is it a multistage pump?
Q:What does "ETA" mean in the selection of pumps?
NPSH refers to the cavitation, the pump is the technical parameters
Q:Why does the pump head decrease when the pump flow rate increases?
When the power increases to a certain extent, can not be increased, so when the flow increases, the head can only be reduced
Q:30kW what is the flow rate of the pump?
Without a lift, how can I calculate it for you?
Q:What is the difference between a sewage pump and a clean water pump? Why can't sewage be pumped with clean water?
In short, the main difference between clean water pump and sewage pump: impeller and runner design, as well as other parts of the configuration are very different.1., in order to prevent clogging of sewage pump, the main design of large flow channel, so naturally lead to relatively low efficiency, so the head is generally not high. Clear water pump flow smaller, smaller clearance, the head is relatively high.2. in order to prevent the wound, water pump impeller design is more simple but not ring pump, equipped with tips, cloth and other debris can be crushed after the pump, and the impeller water pump is relatively complex, but the efficiency will be significantly higher than the former.3., in order to prevent wear and corrosion, sewage pumps generally use better wear resistance, corrosion resistance, mechanical seal and O ring as the seal of water pumps, and clean water pump without strict consideration.To sum up, we can get a very good understanding of why not water pump sewage problems -- characteristics of channel and the impeller and other key design, resulting in water pump for sewage situation is likely to occur, blocking, winding, wear and corrosion occurs, resulting in damage to pump or scrapped, so water pump can not be used sewage.
Q:When did the pump start?
The promotion of water is very important to human life and production. There are various ancient water appliances, such as Egypt's chain pump (seventeenth Century BC), China shadoof (seventeenth Century BC), Burton (Eleventh Century BC) and water (first Century ad). The famous spiral rods invented by Archimedes in the third Century BC can lift water to a few meters in a steady and continuous way, and the principle is still used by modern screw pumps.In 200 BC, the ancient Greek fire pump craftsmen invented by Kurt Siby Lucius is a kind of piston pump has the most original, the main components of a typical piston pump piston pump, but only after the steam engine was developed rapidly.1840~1850 years, the United States invented Worthington pump cylinder and steam cylinder opposite, the direct impact of the piston pump, marking the formation of modern piston pumps. Nineteenth Century was the climax of the development of piston pumps, which were already used in a variety of machines, such as water presses. However, with the rapid increase in water demand, from 1920s, the piston pumps with low speed and large flow were gradually replaced by high-speed centrifugal pumps and rotary pumps. But in the field of high pressure and small flow, reciprocating pump still occupies the main position, especially diaphragm pump and plunger pump have their own advantages and are used more and more.
Q:What's the meaning of a single-stage pump?
I. meaning:Single stage and multistage refers to the number of impellers. Generally equal lift and flow, multi-stage pump than single stage pump power is low, that is, to save power, and high efficiency, long life.Two, how to distinguish?:Water pump said double suction refers to both sides of the water pump has suction port, and single suction pump only from the side of water absorption, single suction pump flow is small, double suction pump flow larger. The axial flow pump blade is a little like the blade of an electric fan. The axial direction of the axial flow pump is smaller, and the flow rate is relatively large, which is mostly used in the first stage pumping station of the water plant. JC is a deep well pump, with a large lift, but the flow is often not large. Centrifugal pumps are the most widely used at present.
Q:What is the difference between a fire pump and a living water pump?
1, fire pump is actually divided into many kinds, such as car, fire hydrant system, spray system, etc., life pump is also, the distinction between them is sometimes difficult to tell the exact. Simply put, the fire pump in its design must meet the corresponding fire requirements, such as pressure, speed, work adaptability, etc., specific requirements can be found in "national standard GB 6245-2006, fire pump Fire, pumps""2, the same function of fire water pump, its price is relatively stable. I personally feel that we must find more manufacturers to understand the reasons for the price difference, and then make a choice.

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