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.
PD pumps way of working is entirely dependent on pressure and viscosity. They transmit fluids by trapping say an amount equal to its volume and moving it through a discharge pipe. The effect of these two properties is on the flow rate and efficiency. The main cause in their efficiency is their ability to keep a uniform flow despite unpredictable changes in discharge pressure and viscosity.
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.
This desirable property has been effectively applied. Initially the extracted crude oil contained oil, gas, sand and water. Separation had to be done prior to transportation and each element mentioned above had to be transported separately. This was in essence quite expensive. PD drives however enabled the petroleum industry to tremendously reduce the cost of offshore oil production since there was no need of separating the initial mixture before moving it.
In the field of chemical engineering, PD drives are vital to the pumping mechanisms. A standard chemical reaction results in huge changes in viscosity of the underlying mixture. This implies that other pumps such as the centrifugal types would not sufficiently carry the mixture through the reactor. PD drives will be able to transmit the mixture constantly irregardless of the fluctuations. This is the major reason why its uses extend to the pharmaceutical, foods and beverages and the biotechnology industries.
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.
PD pumps way of working is entirely dependent on pressure and viscosity. They transmit fluids by trapping say an amount equal to its volume and moving it through a discharge pipe. The effect of these two properties is on the flow rate and efficiency. The main cause in their efficiency is their ability to keep a uniform flow despite unpredictable changes in discharge pressure and viscosity.
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.
This desirable property has been effectively applied. Initially the extracted crude oil contained oil, gas, sand and water. Separation had to be done prior to transportation and each element mentioned above had to be transported separately. This was in essence quite expensive. PD drives however enabled the petroleum industry to tremendously reduce the cost of offshore oil production since there was no need of separating the initial mixture before moving it.
In the field of chemical engineering, PD drives are vital to the pumping mechanisms. A standard chemical reaction results in huge changes in viscosity of the underlying mixture. This implies that other pumps such as the centrifugal types would not sufficiently carry the mixture through the reactor. PD drives will be able to transmit the mixture constantly irregardless of the fluctuations. This is the major reason why its uses extend to the pharmaceutical, foods and beverages and the biotechnology industries.
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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