A, Nicole vortex pump introduction 1. Features: ◆ small size, high pressure, save installation space Single impeller can get 4-17 kg of pressure, two impeller can get up to 30 kg pressure. Due to its small size and simple structure, miniaturization and cost reduction of the mechanical device can be realized. ◆ Small flow can also be stable liquid Because it is not a positive displacement pump piston pump, eddy current pump does not produce pulsations. In the meantime, since the vortex pump has little change in flow rate under different pressure conditions, there is no need to return the flow in the small flow range like the centrifugal pump, which not only can realize the miniaturization of the equipment but also can reduce the equipment investment and operation cost. ◆ Quantitative Although the vortex pump is not a positive displacement pump, its flow rate has little change when the impedance of the pipeline increases or decreases, which has very good quantification. ◆ Durability The biggest difference between the Nikon vortex pumps and other manufacturers' products is the fact that the impeller is fixed on the pump shaft, and since the precision machining ensures the concentricity between the impeller and the other parts, the pump does not generate metal contact and friction. At the same time, no damage to the pump can occur even if the liquid being conveyed contains fine impurities. So it can maintain long-term stability. ◆ self-priming performance Even if the non-self-priming pump also has a certain degree of self-priming capacity, pump as long as there is a small amount of raffinate can easily start to send fluid, easy to operate. Nikon high self-priming pump forced exhaust design to make it self-priming capacity of 8 meters. ◆ resistance to cavitation gas resistance Good operation even with air intakes or gas pockets in the pump. ◆ low noise Due to the absence of metal contact and pressure changes in the pump noise, running noise is very low. ◆ mixing ability Different liquids or gases and liquids can be mixed effectively. ◆ cleanliness Small contact area of ​​liquid pump, after precision machining and special electrolytic grinding process, can be used for ultra-pure purpose. ◆ easy to maintain Simple structure, fewer parts, not only less fault and easy maintenance. 2. Application areas: ▲ mold temperature control machine, small high-pressure fuel gas boiler and steam generator; pressure washing machine. ▲ precision filter, reverse osmosis water machine; fire rescue tied pressure pump; laser processing machine, welding machine; medicine, food (seasoning) spray; complete sets of engineering equipment small flow supercharger. ▲ large impedance changes in the pipeline liquid; filter with a variety of filtering devices. ▲ processing center, EDM machine; dehydration filter cloth washing, paper cutting paper factory pressure; alcohol gasoline Denggao pressure transfer. ▲ suction low viscosity liquid from the underground tank; sampling. ▲ vacuum tank suction; low boiling point liquid, refrigerant, heat medium circulation pump; liquefied gas, liquid ammonia pump. ▲ hospitals or laboratories taboo noise purposes; residential water supply. ▲ polymer Xu coagulant mixture; dissolved air flotation, ozone mixing. ▲ pure water, ultra-pure water, pure liquid and so on. ▲ various engineering equipment nuclear device pump. Second, the vortex pump and other pump performance comparison Compared with centrifugal pump ☆ Small flow high pressure engineering purposes (compared with single-stage centrifugal pump) The supercharged parts of the pump have no mechanical contact and friction, so the stability and durability are particularly good. If you use a larger diameter centrifugal impeller pump, in order to prevent the pressure fluctuations, voids and liquid temperature rise and other phenomena, we have to set the flow to a minimum, to meet the required flow after bypass with the excess air back to the original Department. This will not only increase the initial investment, high-power motors and increased power consumption, operating costs increased significantly. In contrast, the vortex pump flow pressure is high, when the valve is small, the flow rate decreases, the liquid is also very stable. Therefore, as long as the pump to ensure that not overheating and motor rated power operation, the flow can be set free, in all aspects can greatly reduce costs. ☆ filter use (compared with multi-stage centrifugal pump) In high-pressure membrane filtration applications, the use of pulsation and regardless of both the old and new filters can maintain a high quantitative pump the most ideal. When a multistage centrifugal pump is used for this purpose, an excessive flow rate may occur when using a new filter membrane. However, when a pump of a proper flow rate is used, flow will be insufficient due to a slight clogging of the filter membrane. Vortex pump flow at the pressure of the open point and the highest point of little change, the most suitable for this purpose. ☆ harsh operating conditions (compared with multi-stage centrifugal pump) Vortex pump small size, simple structure, fewer parts, so the need for high pressure and associated with intermittent operation, water hammer, repeated negative pressure under the harsh conditions of operation freely. In contrast, centrifugal pumps require pressure from multiple stages of impellers and therefore become complex, have large rotational inertia and increase the risk of accidents or malfunctions. ☆ a variety of liquid sampling (compared with self-priming centrifugal pumps) Water quality management and various processes need to take a sample solution. UP pump has a strong self-suction, 8 meters away from the liquid can inhale the liquid. And its volume smaller than the centrifugal pump, can quickly drain the residual liquid, greatly reducing the sampling time and ensure the accuracy of sampling. 2. Compared with the gear pump ☆ suction pump from the underground tank to send low viscosity liquid Vortex pumps are best suited for such applications where self-priming performance and high pressure are required. Not only does it have strong self-priming ability, it also has strong durability even when liquids containing fine foreign particles are transferred because there is no mechanical contact and metal friction in the pump. The gear pump is basically not suitable for low viscosity liquids, often abnormal sound, performance degradation, stuck foreign body and other failures. ☆ high temperature waste oil spray combustion treatment Industrial wastes, such as used oils or solvents, which become less viscous at high temperatures, require spray-incineration. However, this allows the liquid to be easily vaporized at a high temperature, and due to the heavy weight of the liquid, the gear pump may experience premature performance degradation, foreign matter entrapment, and noise. Under the same conditions, the vortex pump has long service life, low noise and reliable performance because of its low NPSH structure and no metal contact and friction in the pump. 3. Compared with the plunger pump ☆ high-precision, high pressure test purposes In the valve, nozzle, automatic control equipment, such as the development and performance testing, low noise, pulse-free vibration-free vortex pump is an indispensable source of pressure. And it booster department has no mechanical contact and friction, durability, do not need regular replacement parts. The plunger pump, even if the assembly of a large pressure accumulator can not completely eliminate the pulsation, can not guarantee accurate testing and testing, and in the maintenance of a waste of time and money.