For a long time, pumps have changed the way machinery operates. The high pressure positive displacement pump is at the forefront of this. On the onset of its invention, it has been used in both the traditional and modern society.
There are two main types that constitute the positive displacement pumps. These are the rotary and reciprocating pumps. They are both used when the main aim is to obtain a constant flow. Their main difference arises from the type of fluids they transmit. The rotary type is best suited for moving highly viscous fluids. This means that abrasive fluids will not be efficiently transmitted. Reciprocating types are well known for their ability to move both highly viscous and abrasive fluids with ease efficiently.
Their ability to operate efficiently depends widely on viscosity and pressure, as seen above. These two properties usually affect rate of flow. This is actually the main reason why they are preferred to their centrifugal counterparts. The ability to maintain a constant rate of flow even with significant variations in viscosity and discharge pressure makes them more versatile.
The most monumental applications of PD pumps is in the oil industry. Here they mainly serve to pump the crude oil from the extraction site to the processing site. It was initially expensive to separately pump the constituents of the extracted matter which included the oil, gas, water and sand. This was largely due to the fact that it contained significantly large amounts of gas. However the ability of reciprocating pumps to transmit gases came in handy. The mixture was now being transmitted as it was without the need of building separate pumping stations for each element.
The overall cost of pumping was greatly reduced when the PD pumps were put into use. Of shore drilling firms could now rack more in profits due to this.
PD pumps also found their application in the chemical industry. This typically involved the food and beverage industry and the pharmaceutical companies. Bio technology also uses these types of pumps. During a chemical process, when the chemical solution is passed through the reactor, certain attributes change due to heating and other reactions. This includes the viscosity of the mixture. The process however demands a constant rate of flow through the procedure. This is why they are applied in the chemical industry.
Considering the high amounts of paper in use in an economy, PD drives contribution to its manufacture is worth the mention. The entire process of paper milling is a highly regulated industry. This implies that any lag in function of a unit would in a varied number of ways hamper the production process. Pumps function is to keep a constant supply of fuel in a system. The constant changes in viscosity and clogging implies that the positive pumps would be the most suitable for the job.
In summary, positive displacement pumps are the most efficient when rate of flow is a major requirement. One should properly understand all the physical properties of the fluid intended to be transmitted before settling on a choice of pumping mechanism.
There are two main types that constitute the positive displacement pumps. These are the rotary and reciprocating pumps. They are both used when the main aim is to obtain a constant flow. Their main difference arises from the type of fluids they transmit. The rotary type is best suited for moving highly viscous fluids. This means that abrasive fluids will not be efficiently transmitted. Reciprocating types are well known for their ability to move both highly viscous and abrasive fluids with ease efficiently.
Their ability to operate efficiently depends widely on viscosity and pressure, as seen above. These two properties usually affect rate of flow. This is actually the main reason why they are preferred to their centrifugal counterparts. The ability to maintain a constant rate of flow even with significant variations in viscosity and discharge pressure makes them more versatile.
The most monumental applications of PD pumps is in the oil industry. Here they mainly serve to pump the crude oil from the extraction site to the processing site. It was initially expensive to separately pump the constituents of the extracted matter which included the oil, gas, water and sand. This was largely due to the fact that it contained significantly large amounts of gas. However the ability of reciprocating pumps to transmit gases came in handy. The mixture was now being transmitted as it was without the need of building separate pumping stations for each element.
The overall cost of pumping was greatly reduced when the PD pumps were put into use. Of shore drilling firms could now rack more in profits due to this.
PD pumps also found their application in the chemical industry. This typically involved the food and beverage industry and the pharmaceutical companies. Bio technology also uses these types of pumps. During a chemical process, when the chemical solution is passed through the reactor, certain attributes change due to heating and other reactions. This includes the viscosity of the mixture. The process however demands a constant rate of flow through the procedure. This is why they are applied in the chemical industry.
Considering the high amounts of paper in use in an economy, PD drives contribution to its manufacture is worth the mention. The entire process of paper milling is a highly regulated industry. This implies that any lag in function of a unit would in a varied number of ways hamper the production process. Pumps function is to keep a constant supply of fuel in a system. The constant changes in viscosity and clogging implies that the positive pumps would be the most suitable for the job.
In summary, positive displacement pumps are the most efficient when rate of flow is a major requirement. One should properly understand all the physical properties of the fluid intended to be transmitted before settling on a choice of pumping mechanism.
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