Centrifugal pump in the world tends to become more and more large. Although more than 10 supercentrifugal pumps have been put into operation, in the next 4 years, 155 super-million boxes of centrifugal pumps will be put into operation one after another. Some foreign experts believe that by 2010, more than half of the world's container traffic will be super tank million centrifugal pump commitment. Due to the limited number of ports in the world that can meet the handling requirements of very large centrifugal pumps above ten thousand boxes, it means that the world's port industry must invest a lot of money in infrastructural construction in the coming years. CYZ self-priming centrifugal pump is based on the relevant technical information at home and abroad by the digestion, absorption, improved after the development of the latest pump products, unique blank, the pump for the oil industry, the land oil depot, the ideal product tanker, And suitable for marine cargo pumps, bilge pumps, fire pumps and ballast pumps and machine cooling water circulation, respectively, transportation of petrol, kerosene, diesel, jet fuel and Other
petroleum products and sea water, water, such as the transfer of chemical liquid can use resistance Corrosion of mechanical seals. CYZ self-priming centrifugal pump features: CYZ self-priming centrifugal pump is a self-priming centrifugal pump; displacement, high efficiency, simple structure, easy operation and maintenance, stable operation, easy to adjust, strong self-absorption Ability, wide range of applications and so on. CYZ self-priming centrifugal pump purposes: used to transport gasoline, kerosene, diesel, aviation kerosene and other petroleum products; medium temperature -20 â„ƒ ~ +80 â„ƒ, is an excellent marine loading and unloading pumps, can also double as sweeping the pump . And for land oil depots, tankers and other storage devices for oil transportation, can also be used to transport seawater, fresh water and so on. CYZ-type self-priming centrifugal pump structure: the same shaft with the liquid pump body structure, the pump from the suction chamber, the liquid chamber, the vortex chamber, return hole, gas-liquid separation chamber and other components; pump bearings Single row radial ball bearings, cooling chamber at the bottom of some pump bearing body, the pump inside the high, low pressure zone seal ring, the shaft end of the mechanical seal. Self-priming pump according to the principle of action is divided into the following categories: 1. Gas-liquid hybrid (including the inside and outside mixed); 2. Water ring wheel; 3. Jet (including liquid jets and gas jets). Gas-liquid hybrid self-priming pump work process: Due to the special structure of the self-priming pump body, the pump stops, the pump body has a certain amount of water, the pump starts again after the impeller due to rotation, inhalation of air and water pipe Fully mixed, and was discharged to the gas-water separation chamber, the gas above the gas-water separation chamber overflows, the lower part of the water back to the impeller, and re-inhalation of the remaining air intake pipe until the pump and the suction pipe all the gas discharge, complete since Suction, and normal pumping. Water ring wheel self-priming pump is the water ring and pump impeller combination of a shell, with the water ring to the gas discharge, to achieve self-absorption. When the pump is working properly, the valve of the water ring and the pump impeller can be cut off by the valve, and the liquid in the water ring wheel can be released. Jet-type self-priming pump, the centrifugal pump and jet pump (or injector) combination of relying on the jet device, resulting in a vacuum nozzle to achieve suction.
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