【Daily Question】Principles of Chemical Engineering 068: Classification of Pumps (June 2)
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The Chemical Engineering Theory section is launching the \"One Question per Day\" campaign starting today, aimed at helping everyone reinforce their basic knowledge in chemical engineering. Subsequent series will include those on \"Principles of Chemical Engineering,\" \"Mass Transfer and Separation,\" \"Thermodynamics in Chemical Engineering,\" and \"Chemical Process Engineering.\" We hope for your active support! Answers to the questions in the \"One Question per Day\" campaign can be viewed directly by replying to the post, and the topic will be closed after 1 day ! Participation earns 2 wealth points, with an additional 3 wealth points for correct answers~~~ Fill-in-the-blank question: Pumps can be classified according to their working principle as __________._____________._____________.__________________. Centrifugal, reciprocating, rotary, and fluid-driven
This post was last edited by Siji on 2015-6-2 at 13:59. Pumps can be classified into centrifugal, reciprocating, rotary, and fluid-type based on their working principles
Pumps can be classified according to their working principle into ___centrifugal___, ___reciprocating___, ___rotary___, and ___fluid-acting___ types.
1. Vane pump. 2. Positive displacement pumps. 3. Other types: jet pumps, water hammer pumps
Pumps can be classified according to their working principle into (1) vane pumps, (2) positive displacement pumps, and (3) other types of pumps. Vane pumps are further divided into: a. centrifugal pumps, b. mixed-flow pumps, c. axial flow pumps, d. vortex pumps. Positive displacement pumps are divided into: a. reciprocating pumps, b. rotary pumps. Other types include: a. vacuum pumps, b. jet pumps, c. water hammer pumps
Vane pumps, positive displacement pumps, other types of pumps
Pumps can be classified by working principle into (1) vane pumps, (2) positive displacement pumps, and (3) other types of pumps
Pumps can be classified according to their working principle as follows: ① Dynamic pumps, also known as impeller pumps or vane pumps, rely on the rotational motion of the impeller to exert force on the liquid, thereby continuously transferring energy to it and increasing its kinetic energy (primarily) and pressure energy. Subsequently, the kinetic energy is converted into pressure energy in the discharge chamber. These pumps can be further divided into centrifugal pumps, axial flow pumps, partial flow pumps, and vortex pumps, among others. ②Positive displacement pumps transfer energy to a liquid periodically by means of periodic changes in the volume of the sealed working space that contains the liquid, thereby increasing the pressure of the liquid enough to force it out. Based on the type of movement of their working elements, they can be divided into reciprocating pumps and rotary pumps. ③Other types of pumps transfer energy in other forms. For example, a jet pump relies on the high-speed jet of the working fluid to draw in the fluid to be transported, mix it inside the pump, and exchange momentum to transfer energy ； A water hammer pump uses part of the water in the flow during braking to be lifted to a certain height in order to transfer energy ； An electromagnetic pump achieves transportation by causing the electrically charged liquid metal to flow under the action of electromagnetic force. Additionally, pumps can also be classified based on the properties of the liquid they transport, the driving method, structure, and application.
Vane pumps, positive displacement pumps, other types of pumps
Centrifugal, reciprocating, rotary, and fluid-driven