Self-priming centrifugal oil pump structure features and uses

The trend of large-scale centrifugal pump in the world has become increasingly apparent. Although over 10 million ultra-million box centrifugal pumps have been put into operation, 155 ultra-million box centrifugal pumps will be put into operation in the coming four years. Some foreign experts believe that by 2010, more than half of the world's container shipments will be borne by ultra-million box centrifugal pumps. Due to the fact that there are not many ports in the world that can meet the loading and unloading requirements for ultra-large centrifugal pumps of more than 10,000 cubic meters, it means that the world port industry must invest a lot of funds in infrastructure construction in the next few years. CYZ self-priming centrifugal oil pump is the latest pump product developed according to the domestic and foreign relevant technical data digested, absorbed and improved. The domestic blank is unique. This pump is ideal for the oil industry, land oil depots, and tank trucks. And suitable for marine cargo pumps, bilge pumps, fire pumps and ballast pumps and machine cooling water circulation, respectively, to transport gasoline, kerosene, diesel, aviation coal and other petroleum products and sea water, water, such as the delivery of chemical liquid can be used resistance Corrosion of mechanical seals.

CYZ self-priming centrifugal oil pump features:

CYZ self-priming centrifugal oil pump is self-priming centrifugal pump; large displacement, high efficiency, simple structure, easy operation and maintenance, stable operation, easy adjustment, strong self-priming ability, wide application and so on.

The use of CYZ self-priming centrifugal oil pump:

It is used to transport petroleum products such as gasoline, kerosene, diesel oil, aviation kerosene, etc.; medium temperature is -20°C~+80°C. It is an excellent ship loading and unloading oil pump, which can double as a stripping pump. It is also suitable for the transportation of oil in oil storage devices such as land oil depots and oil tankers. It can also be used to transport seawater, fresh water, etc.

CYZ type self-priming centrifugal oil pump structure type:

The structure of the pump body with the same shaft and back, the pump body is composed of suction chamber, liquid storage chamber, vortex chamber, liquid return hole, gas-liquid separation chamber, etc.; the pump bearing adopts single row radial ball bearing, in some pump bearings There is a cooling chamber at the bottom of the body, a seal ring at the high and low pressure intervals inside the pump, and a mechanical seal at the shaft end.

Self-priming pumps are divided into the following categories according to the principle of action: 1. Gas-liquid mixing (including internal mixing and external mixing); 2. Water ring-wheeling; 3. Jet (including liquid jets and gas jets). The working process of the gas-liquid hybrid self-priming pump: due to the special structure of the self-priming pump body, after the pump stops, a certain amount of water is stored in the pump body. After the pump is started again, the air and water in the suction pipeline are sucked due to the rotation of the impeller. Fully mixed and discharged to the air-water separation chamber. The gas in the upper part of the air-water separation chamber overflows. The lower part of the water returns to the impeller and mixes with the remaining air in the suction pipeline until the gas in the pump and the suction tube is completely discharged. Suction, and normal pumping. The water ring wheel type self-priming pump combines the water ring wheel and the water pump impeller in a shell and discharges the gas through the water ring wheel to achieve self-priming. When the pump works normally, the passage of the water ring wheel and the pump impeller can be cut off by the valve, and the liquid in the water ring wheel can be drained. Jet self-priming pump, which is a combination of a centrifugal pump and a jet pump (or ejector), relying on a spraying device to create a vacuum at the nozzle to achieve suction.

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