A Process Pump is a device for lifting, transferring, or increasing the pressure of a fluid or for removing gas from an enclosed area to generate a vacuum, which consists of a revolving component called an impeller inside a casing. The liquid to be pushed enters the casing near the impeller’s shaft. The fluid is accelerated by vanes attached to the rotating impeller, allowing it to pass through an outlet.
A Reciprocating pump propels a fluid by moving a piston back and forth in a cylinder with valves to regulate the flow direction. The lift pump and the force pump are two examples. The Piston and cylinder in a lift pump are vertically positioned. Water is pushed into the cylinder by air pressure as the piston goes higher, filling the empty area beneath the piston.
The piston reverses direction and travels up, enabling additional water to enter the cylinder under it and raising the water held above it to an output pipe where the water exits the pump. A lift pump can only elevate water to a height of around 33 feet (10 meters) because air pressure can only maintain a column of water up to that height. The rotational pump, like the reciprocating pump, allows a fluid to fill space before the volume of the space decreases, forcing the fluid out. It, unlike a reciprocating pump, does not have valves and instead relies on one or more spinning components to replace the piston.
The Jet pump has no moving components and works by inducing motion in another fluid using a fast-moving fluid. An Atomizer, for example, is a sort of jet pump that pumps a liquid, such as perfume, using a high-speed stream of air. Air or other gases are pumped into a closed container using compressors. They range in size from hand pumps to big power-driven machines that provide compressed air for pneumatic equipment and other applications. The nonmechanical electromagnetic pump is used in nuclear reactors that utilize liquid radioactive metal. Electrodes either produce an electric current in the liquid metal or pass it through it. The current-carrying liquid is then propelled forward by a magnetic field around the pipe.
CLASSIFICATION OF PROCESS PUMP
Devices for displacing liquids under pressure are classed by kind and variation based on numerous characteristics such as operation principle and design. The All-Union State Standard of the USSR (GOST 17389–72) uses such ideas as the foundation for categorization. Pumps are also arbitrarily divided into two groups: power pumps, which are powered by engines, and direct-acting pumps, which are powered by other sources of energy and have no moving components.
Vane Pumps, Piston Pumps, and Rotor Pumps are all examples of power pumps (spur-gear, rotary, plate, and screw types). Jet pumps (liquid-to-liquid or gas-to-liquid pumps), gas lifts (including airlifts), gas and vapor displacement pumps, hydraulic rams, and magnetohydrodynamic (MHD) pumps are all examples of direct-acting pumps. Pumps of all sorts and sizes built in the Soviet Union have standard brand names, which generally consist of letters and numbers.
The most popular type is Process pumps. Cold or hot water (t° > 60°C), viscous or corrosive liquids (acids and alkalies), sewage, or combinations of water and soil, ash, slag, peat, or pulverized coal are all delivered via them. A Process pump works by transferring kinetic energy from a revolving impeller to the liquid particles that pass between its vanes.
The particles of the pumped medium travel from the impeller to the pump casing and then to the discharge under the influence of the generated Process force. The particles that have exited the impeller are replaced by fresh particles that are propelled by air pressure, allowing for continuous pumping. To achieve high heads, multistage pumps are required. The liquid goes through numerous impellers in such pumps, getting energy from each one. The fact that head, power, efficiency, and permitted lift all to rely on the pump’s flow rate (capacity) is an essential aspect of Process pumps. Because they’re designed to be low-maintenance, easy to operate, and highly efficient, Process pumps are one of the most frequent pump types utilized in industrial processing applications.
Process pumps are a good competitor for many applications since they are the most common choice for fluid movement. Chemicals, paints, cellulose, hydrocarbons, food and beverage, petrochemicals, pharmaceuticals, and sugar refining are just a few of the uses for Process pumps in the chemical and process sectors. These pumps are designed for low-viscosity fluids that can withstand high flow rates without degrading. As a result, they’re commonly utilized to transport sewage, petroleum, and chemicals, particularly water and wastewater. Providing water, raising pressure, helping fire prevention systems, hot water circulation, and controlling boiler water are all frequent uses. There are a variety of Process pumps on the market that will provide the fluid transfer required to optimize your operation over time. Process pumps are the ideal choice for most low-pressure, high-capacity pumping applications because they are simple and low-cost. These are unquestionably the best option for transporting liquids from one point to another in a variety of sectors. Because of the variety of building materials available, they are suited for a wide range of industries and chemicals.
Process pumps are a type of rotodynamic pump that uses Process force to provide a head (defined as the height of a liquid column) and flow as a result. Positive displacement (PD) pumps that produce expanding and collapsing fluid chambers to develop flow are known as rotary positive displacement pumps. There is a wide range of Process pumps available out there that will deliver the fluid transfer needed to optimize your operation over the long term.
Process pumps are your best option to provide simple and low-cost solutions to most low-pressure, high-capacity pumping applications. Undoubtedly, these are the perfect choice for delivering liquids from one location to another in numerous industries. The wide range of materials for construction makes them suitable for a large range of industries and chemicals.
Axial pumps are mostly used to convey enormous amounts of liquid. Their operation is dependent on the transmission of energy supplied to the liquid by the force of the rotating impeller vanes’ front surfaces. The particles in the pumped liquid have curved paths initially. They do, however, flow in a broad direction from the input to the discharge after passing through the straightening equipment, primarily following the pump’s axis. When automating fluid handling procedures, it’s vital to make sure you’re utilizing the right sort of pump for the job, and that you know how to regulate that pump.
The two most common types of process pumps, Process, and rotary positive displacement, need entirely distinct control strategies. It’s critical to understand the limitations of each pump type, and it’s especially vital to know which types are the most controllable when creating new processes to reduce scale-up risks from laboratory to pilot to commercial scale.
Vortex pumps have a high self-priming capacity, which means they can start without having to first fill the suction pipe with the medium to be pumped if the medium is already in the pump casing. They are used to pump volatile or gas-saturated liquids, as well as in conjunction with Process pumps, because of this feature. Vortex pumps are divided into two categories: open and closed. In a closed pump, liquid particles travel from compartments around the impeller’s perimeter to a channel in the pump casing due to Process force.
The liquid particles then return to other compartments after transferring some of their kinetic energy to the medium being pumped, which is in the channel. Each liquid particle in the pump flows in a helical vortex, passes through the rotor compartments again, and gets energy from the rotor. Vortex pumps produce a head that is 3–7 times larger than equivalent Process pumps of the same size working at the same speed of rotation as a result of this multistage action. Vortex pumps, on the other hand, have 2–3 times poorer efficiency than equivalent Process pumps.
Reciprocating pumps are distinguished by their extensive range of designs and use. Such pumps function by alternating suction and discharge processes that take place inside the cylinder and are caused by the motion of the working part (a piston or plunger). Within the same volume, but at separate moments, the processes occur. Reciprocal pumps are classed as power pumps or direct-acting pumps based on how they transmit reciprocating motion to the working element (power pumps usually incorporate a crankshaft-connecting-rod mechanism).
Horizontal and vertical reciprocating pumps, single-action (or multiple-action) pumps, and single-cylinder or multicylinder pumps are the different types of reciprocating pumps. They’re also categorized by the amount of liquid pushed and the pace at which it’s pumped. Reciprocating pumps have a more complicated construction than Process pumps, and they also run at slower speeds, resulting in greater exterior dimensions and a higher weight-to-work-unit ratio.
Rotary pumps have traditionally been employed in low-capacity applications. Depending on the design of the working member, a distinction is formed between gear (including spur gear), screw, sliding-vane, lobar, axial- and radial-piston, and labyrinth pumps. Each variety has many designs, but they all operate on the same premise (basically analogous to that of reciprocating pumps). The lack of suction and discharge valves distinguishes rotary pumps, which simplifies their construction and provides a substantial benefit.
Kiron Hydraulics needs Private Limited, in collaboration with Liquiflo Pumps and Dickow Pumps, provides Solution to all your Industrial process pumps needs. These pumps are made to handle the wide range of chemicals used in the process sector. Our team, which includes experts in Hydraulics and Fluid Dynamics, Mechanical Engineering, Metallurgy, Corrosion Sciences, and Chemical Engineering, has been providing clients with creative and cost-effective solutions. We have a robust in-house R&D staff that focuses on new product development and continuous improvement of existing concepts.