Abstract: The pump was developed with the development of the industry. In the 19th century, there were relatively complete types and varieties of pumps abroad, and they were widely used. According to the current development trend, special-purpose pumps will be more advanced than general-purpose pumps. As early as the beginning of the 20th century, the submersible sewage pump was first developed by the United States to replace the deep well pump. Afterwards, countries in Western Europe followed suit to carry out research and continued to improve and gradually improve.
According to statistics, around 1880, general-purpose centrifugal pumps accounted for more than 90% of the total output. Pumps for special purposes such as power plant pumps, chemical pumps, and mine pumps accounted for only about 10% of the total pump output. By 1960, general-purpose pumps accounted for only 45Y002Ea, while special-purpose pumps already accounted for 55% o2Ea.
Such as Germany's Rhine Brown coal mine, the use of more than 2,500 various submersible sewage pumps, the highest capacity of 1600kW, head 410m. China's submersible sewage pump was developed in the 1960s, in which the homework submersible electric pump was already used for irrigation of farmland in the south, and small and medium-capacity submersible pumps have formed a series and were put into production in batches. Large-capacity, high-voltage submersible pumps and submersible power solutions are also available. Large submersible pumps ranging from 500 to 1,200 kw have been put into operation in the mine.
The machines used to pump liquids, transport liquids, and increase the pressure of liquids are commonly referred to as pumps. From an energy point of view, a pump is a machine that converts energy. It converts the mechanical energy of the original idea into the energy of the liquid being transported, which increases the flow rate and pressure of the liquid. Pumps are generally used to pump liquids from low-lying areas and transport them along pipes to higher ground areas. For example, we commonly use the pump to pump water from rivers and ponds to the farmland, and pump water from underground deep wells to the water tower. Because the pressure of the liquid can be improved via the pump, the action of the pump can also be used to pump the liquid out of the lower pressure container and overcome the resistance along the way to the higher pressure container or other desired place, such as The boiler feed pump pumps water from the low-pressure tank to the feed water in the boiler drum with higher pressure. The pump's function range is very wide, and the huge pump flow can reach several hundred thousand in/h or more; while the mini pump flow rate is below dozens of mL/h. Its pressure can be up to 100000 MPa from normal pressure. The temperature of the liquid it transports can be as low as -200°C and as high as 800°C. The type of pumping liquid is very good. It can deliver water (clean water, sewage, etc.), oil, acid and alkali solution, emulsion, suspension and liquid metal.
According to statistics, around 1880, general-purpose centrifugal pumps accounted for more than 90% of the total output. Pumps for special purposes such as power plant pumps, chemical pumps, and mine pumps accounted for only about 10% of the total pump output. By 1960, general-purpose pumps accounted for only 45Y002Ea, while special-purpose pumps already accounted for 55% o2Ea.
Such as Germany's Rhine Brown coal mine, the use of more than 2,500 various submersible sewage pumps, the highest capacity of 1600kW, head 410m. China's submersible sewage pump was developed in the 1960s, in which the homework submersible electric pump was already used for irrigation of farmland in the south, and small and medium-capacity submersible pumps have formed a series and were put into production in batches. Large-capacity, high-voltage submersible pumps and submersible power solutions are also available. Large submersible pumps ranging from 500 to 1,200 kw have been put into operation in the mine.
The machines used to pump liquids, transport liquids, and increase the pressure of liquids are commonly referred to as pumps. From an energy point of view, a pump is a machine that converts energy. It converts the mechanical energy of the original idea into the energy of the liquid being transported, which increases the flow rate and pressure of the liquid. Pumps are generally used to pump liquids from low-lying areas and transport them along pipes to higher ground areas. For example, we commonly use the pump to pump water from rivers and ponds to the farmland, and pump water from underground deep wells to the water tower. Because the pressure of the liquid can be improved via the pump, the action of the pump can also be used to pump the liquid out of the lower pressure container and overcome the resistance along the way to the higher pressure container or other desired place, such as The boiler feed pump pumps water from the low-pressure tank to the feed water in the boiler drum with higher pressure. The pump's function range is very wide, and the huge pump flow can reach several hundred thousand in/h or more; while the mini pump flow rate is below dozens of mL/h. Its pressure can be up to 100000 MPa from normal pressure. The temperature of the liquid it transports can be as low as -200°C and as high as 800°C. The type of pumping liquid is very good. It can deliver water (clean water, sewage, etc.), oil, acid and alkali solution, emulsion, suspension and liquid metal.
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