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Purification Technology Edition: Daily Question [2017-11-23]

2017-11-23View Original

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What is throttling? What are the common throttling devices? Throttling refers to the process in which, when a fluid encounters a constriction or valve in a pipe, its pressure decreases and its volume increases. Common devices used for throttling include orifice plates, pressure regulators, nozzles, Venturi tubes, and Venturi nozzles.
Reply #22017-11-23
That is, the process in which the pressure of a fluid decreases and its volume increases when it encounters a constriction or valve in a pipe; Commonly used devices include: orifice plates, pressure relief valves, nozzles, Venturi tubes, and Venturi nozzles
Reply #32017-11-23
It refers to a device in which, when fluid flowing through pipes passes through a throttling element, the flow stream contracts locally at that element, resulting in an increase in flow velocity and a decrease in static pressure; thus, a pressure difference is created before and after the throttling element. It can also be called a throttling flow meter. It includes standard throttling devices: standard orifice plates, standard nozzles, and venturi tubes. There are also non-standard throttling devices such as truncated orifice plates, 1/4 circle nozzles, dual orifice plates, V-cones, wedge flow meters, etc. Non-standard throttling devices must undergo actual flow calibration before they can be used
Reply #42017-11-23
Throttling refers to the phenomenon where, as fluid flowing through a pipe passes through a throttling element in that pipe, the flow stream contracts locally at the throttling element, resulting in an increase in flow velocity and a decrease in static pressure; this creates a difference in static pressure before and after the throttling element. Throttling devices include standard ones such as standard orifice plates, standard nozzles, and Venturi tubes; there are also non-standard throttling devices including annular orifice plates, 1/4 circle nozzles, dual orifice plates, V-cones, wedge flow meters, etc.
Reply #52017-11-23
The process in which the pressure of a fluid decreases and its volume increases when it encounters a constriction or valve in a pipe. Commonly used devices include: orifice plates, pressure relief valves, nozzles, and Venturi tubes.
Reply #62017-11-23
Throttling is the process in which, when a fluid encounters a constriction or valve in a pipe, its pressure decreases and its volume increases. Commonly used devices include; orifice plates, pressure relief valves, nozzles, venturi tubes, and venturi nozzles.
Reply #72017-11-23
Throttling is the process in which, when a fluid encounters a constriction or valve in a pipe, its pressure decreases and its volume increases. Common devices used for this purpose include orifice plates, pressure reducing valves, nozzles, Venturi tubes, and Venturi nozzles.
Reply #82017-11-23
It refers to a device in which, when fluid flowing through pipes passes through a throttling element, the flow stream contracts locally at that element, resulting in an increase in flow velocity and a decrease in static pressure; thus, a pressure difference is created before and after the throttling element. It can also be called a throttling flow meter. It includes standard throttling devices: standard orifice plates, standard nozzles, and Venturi tubes. There are also non-standard throttling devices such as truncated orifice plates, 1/4 circle nozzles, double orifice plates, V-cones, wedge flow meters, etc. Non-standard throttling devices must undergo actual flow calibration before they can be used.
Reply #92017-11-23
The process in which the pressure of a fluid decreases and its volume increases when it encounters a constriction or valve in a pipe. Commonly used devices include: orifice plates, pressure relief valves, nozzles, and Venturi tubes
Reply #102017-11-23
It refers to a device in which, when fluid flowing through pipes passes through a throttling element, the flow stream contracts locally at that element, resulting in an increase in flow velocity and a decrease in static pressure; thus, a pressure difference is created before and after the throttling element. It can also be called a throttling flow meter. It includes standard throttling devices: standard orifice plates, standard nozzles, and venturi tubes. There are also non-standard throttling devices such as truncated orifice plates, 1/4 circle nozzles, dual orifice plates, V-cones, wedge flow meters, etc. Non-standard throttling devices must undergo actual flow calibration before they can be used

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