Construction And Working Of Reciprocating Pump Pdf
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- Types Of Reciprocating Pump
- Reciprocating Pump: Definition, Parts, Working, Types, Advantages, Disadvantages [PDF]
- Reciprocating Pump – Components, Working and Uses
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Reciprocating pump is a hydraulic machine which converts the mechanical energy into hydraulic energy. It does this work by sucking liquid into a cylinder containing a reciprocating piston which exerts a thrust force on the liquid and increases its hydraulic energy pressure energy of liquid. It is a type of positive displacement pump which consists of piston or plunger.
Types Of Reciprocating Pump
Reciprocating pumps are used where the delivery pressure of the fluid is quite large. In this article, we will discuss on Single-acting Reciprocating Pump.
As the name itself indicates that it has a single component of the suction valve, delivery valve, suction pipe, and delivery pipe along with a single-piston. Reciprocating Pump is a Positive Displacement type pump that works on the principle of movement of the piston in forwarding and backward directions whereas the Centrifugal pump uses the kinetic energy of the impeller to supply the liquid from one place to another place.
Reciprocating pumps are in use where a certain quantity of fluid mostly sump has to be transported from the lowest region to the highest region by the application of pressure. When you go to the water servicing of the bike, you can see that the water that is being used is collected from the sump only, and by the application of pressure via a nozzle, water is sprayed on to the vehicle. It is the source of water. From the sump, water is to be transported to the delivery pipes by the usage of the piston.
It acts as a mesh that can screen all the dirt, dust particles, etc. If there is no strainer, then the dirt or dust also enters into the cylinder which can jam the region and affects the working of the pump.
The main function of the suction pipe is to collect the water from the sump and send it to the cylinder via a suction valve.
The suction pipe connects the water sump and the cylinder. It is a non-return valve which means it can take the fluid from the suction pipe and send it to the cylinder but cannot reverse the water back to it.
In the sense, the flow is unidirectional. This valve opens only during the suction of fluid and closes when there is a discharge of fluid to outside. It is a hollow cylinder made of cast iron or steel alloy and it consists of the arrangement of piston and piston rod.
For suction, the piston moves back inside the cylinder and for discharging of fluid, the piston moves in the forward direction.
The Piston rod helps the piston to move in a linear direction i. For rotation, the crank is connected to the power source like engine, motor, etc. The function of the delivery pipe is to deliver the water to the desired location from the cylinder. Similar to the suction valve, a delivery valve is also a Non-return valve.
During suction, the delivery valve closes because the suction valve is in opening condition and during Discharge, the suction valve is closed and the delivery valve Is opened to transfer the fluid. These are the various components of Reciprocating pump. When the power supply is given to the reciprocating pump, the crank rotates through an electric motor. The angle made by the crank is responsible for the movement of the piston inside the cylinder.
By referring to the above diagram, the piston moves towards the extreme left of the cylinder when the crank meets position A i. Similarly, the piston moves towards the extreme right of the cylinder when the crank meets the position C i. A partial vacuum in the cylinder takes place when the piston movement is towards the right extreme position i. This is due to the presence of atmospheric pressure on the sump liquid which is quite less than the pressure inside the cylinder.
Therefore, due to the difference in pressure, the water enters into the cylinder through a non-return valve. The water which stays in the volume of the cylinder has to be sent to the discharge pipe via discharge valve and this can be done when the crank is rotating from C to A i. Due to the movement of the piston in a forward direction, the pressure increases inside the cylinder which is greater than the atmospheric pressure.
Once the water comes into the delivery valve, it cannot move back to the cylinder because it is a unidirectional valve or non-return valve.
Therefore, in this way, the water is sucked and discharged from the sump to the desired location through the piston inside the cylinder. This is the detailed explanation of Reciprocating Pump. If you have any doubts, feel free to ask from the comments section. This is a good description. I would just add a few points regarding the cons: -reciprocating pumps respect to centrifugal create pulsations on the line that usually need be mitigated by pulsation dampers.
For what concerns the application I also would consider that Reciprocating pumps are very used for chemical dosage due to the precision of flow regulation with manual regulation of the stroke. Your email address will not be published. Save my name and email in this browser for the next time I comment. A gas turbine is a rotary machine in which the chemical energy of the fuel is converted into mechanical energy or kinetic energy in terms of shaft power.
In other words, it is a mechanical power or A Job Safety Analysis is a process to integrate the health and safety principles into a particular job operation. In a job safety analysis JSA , potential hazards for a specific job is identified Skip to content Reciprocating pumps are used where the delivery pressure of the fluid is quite large. Introduction of Reciprocating Pump: Reciprocating Pump is a Positive Displacement type pump that works on the principle of movement of the piston in forwarding and backward directions whereas the Centrifugal pump uses the kinetic energy of the impeller to supply the liquid from one place to another place.
Who Invented Reciprocating Pump? Definition of Reciprocating Pump: It is a machine that converts mechanical energy into hydraulic energy. For Example, When you go to the water servicing of the bike, you can see that the water that is being used is collected from the sump only, and by the application of pressure via a nozzle, water is sprayed on to the vehicle.
By Ben Franske,Reciprocating Pump. For what concerns the application I also would consider that Reciprocating pumps are very used for chemical dosage due to the precision of flow regulation with manual regulation of the stroke best regards, Gabriele.
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Reciprocating Pump: Definition, Parts, Working, Types, Advantages, Disadvantages [PDF]
Reciprocating pumps can have two types of reciprocating part, a piston or a diaphragm and based on this, reciprocating pumps can be piston or diaphragm pumps. Each type has different …. Reciprocating pumps move the fluid using one or more oscillating pistons, plungers, or membranes diaphragms , while valves restrict fluid motion to the desired direction. In order for suction to take place, the pump …. In this article you will learn about What is reciprocating pump main parts, types, working, advantages and disadvantages with application? Types By source of work.
Crank of reciprocating pump is connected to prime mover like an electric motor or an engine. If A is the initial position of Crank, from A to C plunger starts moving from left to right. During this vacuum is created in between cylinder and piston as delivery valve is closed and suction pipe is in reservoir.
Reciprocating Pump – Components, Working and Uses
In this article, you will learn about the Reciprocating pump, its Definition, Main Parts, Types, working principle, and the difference between the reciprocating and centrifugal pump. In this pump, a piston is reciprocating, which uses thrust on the liquid and increases its hydraulic energy. Because it discharges a definite quantity of liquid. It is often used where a small quantity of liquid is to handled and where delivery pressure is quite large. Read also: What is Centrifugal Pump?