Experimental device for testing efficiency of water turbine for cooling tower

A technology for experimental devices and water turbines, which can be used in measurement devices, power metering, instruments, etc., and can solve problems such as troublesome operation and incomplete performance indicators.

Inactive Publication Date: 2012-11-07
方磊
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Problems solved by technology

Existing devices for measuring the indicators of water turbines are only some devices with a single measurement function. When testing the water turbine, these devices need to be installed o...

Method used

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  • Experimental device for testing efficiency of water turbine for cooling tower
  • Experimental device for testing efficiency of water turbine for cooling tower

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Experimental program
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Embodiment Construction

[0016] See figure 1 , figure 2 , an experimental device for testing the efficiency of a water turbine in a cooling tower, comprising a water tank 1 with a drain valve 12, a main circulation pipeline 2, a bypass circulation pipeline 3 communicated with the side wall of the main circulation pipeline 2, arranged in the main circulation pipeline The circulating water pump 4 and the electromagnetic flowmeter 5 on the pipeline 2, the electric control device 7 connected to the motor of the circulating water pump 4 through the electric control cable 6, the pressure transmitter 8 arranged at the water outlet of the main circulation pipeline 2, Torque sensor 9, rotational speed sensor 10 and tail water diffusion device 11; the water inlet of the main circulation pipeline 2 and the water inlet of the bypass circulation pipeline 3 are connected with the pool 1, and the water outlet of the bypass circulation pipeline 3 is connected with the main circulation pipeline The side wall of the ...

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Abstract

The invention discloses an experimental device for testing efficiency of a water turbine for a cooling tower. The experimental device comprises a water pool, a main circulation pipeline, a circulation water pump, a flow measurement device, a pressure measurement device, a torque measurement device, a speed measurement device and a tail water diffusion device, wherein the circulation water pump and the flow measurement device are arranged on the main circulation pipeline; the pressure measurement device, the torque measurement device, the speed measurement device and the tail water diffusion device are arranged at the position of a water outlet of the main circulation pipeline; and a water inlet of the main circulation pipeline is communicated with the water pool. After the experimental device is installed on the water turbine, flow of the circulation water pump is adjusted through an electric device to simulate circulation water systems under different working conditions; the flow measurement device and the pressure measurement device are utilized respectively to measure flow of water in the pipeline and water outlet pressure; the torque measurement device and the speed measurement device are utilized respectively to measure torque and rotation speed of the water turbine; and then actual efficiency of the water turbine to be tested is obtained. The experimental device is simple in testing method and accurate in testing data due to concentration test.

Description

[0001] technical field [0002] The invention relates to the field of water turbines for cooling towers, in particular to an experimental device for testing the efficiency of water turbines for cooling towers. Background technique [0003] Before the turbine leaves the factory, its various performances must go through certain tests, until all the indicators reach the specified values, it is a qualified product. Existing devices for measuring the indicators of water turbines are only some devices with a single measurement function. When testing the water turbine, these devices need to be installed on the water turbine to perform a single performance test. The operation is troublesome, and because the test is performed separately Tested, its performance indicators are not completely accurate. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide an experimental device for testing the efficiency of a water turbine of a c...

Claims

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Application Information

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IPC IPC(8): G01L3/26
Inventor 方磊
Owner 方磊
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