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An experimental method and experimental platform for a water hammer pump with adjustable head

An experimental platform, water hammer pump technology, applied in the direction of pump testing, liquid variable displacement machinery, machine/engine, etc., can solve the problems of limited water hammer pump, high experimental cost, high cost of water hammer pump experiment, and reduce the experimental cost. The effect of high altitude and cost-saving experiment

Inactive Publication Date: 2017-01-25
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional water hammer pump experiments require a large amount of fluid circulation and facilities that meet the head height, and the larger the water hammer pump, the greater the required flow and height, and the higher the cost of the experiment
For most manufacturers of water hammer pumps, the experimental cost of water hammer pumps is too high, which limits the research and development of water hammer pumps, especially large water hammer pumps

Method used

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  • An experimental method and experimental platform for a water hammer pump with adjustable head
  • An experimental method and experimental platform for a water hammer pump with adjustable head
  • An experimental method and experimental platform for a water hammer pump with adjustable head

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] This embodiment is a water hammer pump experiment method with adjustable head, such as figure 1 shown. The method described in this embodiment includes:

[0024] A parallel pipe with a plurality of branch pipes 4 is arranged on the outlet pipe of the water hammer pump. That is to say, the outlet pipe of the water hammer pump is made with multiple parallel branch pipes, so that different adjustable resistance elements can be installed on each branch pipe.

[0025] Adjustable resistance elements 5 that generate different pressures are arranged on each branch pipe. The adjustable resistance element can be a valve, or a combination of several valves.

[0026] During the water hammer pump experiment, only the adjustable resistance element on one branch pipe is turned on. This is equivalent to flowing water through a branch pipe to produce the effect of simulating the lift. The simulation of a certain head may be realized through the adjustment of two branch pipes, but i...

Embodiment 2

[0056] This embodiment is a water hammer pump experiment platform with adjustable head, such as figure 2 shown. This embodiment includes: an upper pool connected to the water inlet pipe of the water hammer pump and a lower pool installed with a water hammer pump body, the outlet of the water outlet pipe of the water hammer pump is arranged on the upper part of the upper pool, and the water outlet pipe A plurality of branch pipes connected in parallel are provided, each of the branch pipes is provided with adjustable resistance elements for adjusting different head ranges, and a pressure sensor is provided at the part where the water outlet pipe is connected to the water hammer pump.

[0057] This embodiment is provided with the upper pool and the lower pool necessary for the water hammer pump. The water hammer pump is installed in the lower pool, but there is no need to set up a high-level pool, and the water pumped by the water hammer pump is directly sent to the upper pool,...

Embodiment 3

[0064] This embodiment is an improvement of the second embodiment, and is a refinement of the second embodiment regarding the adjustable resistance element. The adjustable resistance element is a butterfly valve, a ball valve; or a combination of a butterfly valve, a ball valve and a pressure reducing valve.

[0065] One valve or several valves can be installed on each branch pipe to form a valve group for common regulation.

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Abstract

The invention relates to an experimental method and an experimental platform for an adjustable high-lift water hydraulic ram pump. The experimental platform comprises an upper pool which is connected through a water inlet pipe and a lower pool which is provided with a hydraulic ram pump body, an outlet of a water outlet pipe of the hydraulic ram pump is formed in the upper portion of the upper pool, a plurality of branch pipes which are connected in parallel are arranged on the water outlet pipe, all the branch pipes are provided with resistance adjusting elements capable of adjusting different lift ranges respectively, and a pressure sensor is arranged at the position where the water outlet pipe and the hydraulic ram pump are connected. According to the experimental method and the experimental platform, the pressure sensor is arranged at a water outlet of an air tank of the experimented hydraulic ram pump, the resistance adjusting elements are arranged on the water outlet pipe, the pressure of the water outlet pipe is adjusted by the resistance adjusting elements, the pressure parameters of the water outlet pipe are acquired through the pressure sensor, and the pressure parameters of the water outlet pipe are converted to be simulated lifts. Accordingly, the height of the water outlet pipe of the hydraulic ram pump is decreased, and the lifts of the hydraulic ram pump can be simulated. By means of the experimental method, the experimental height of the hydraulic ram pump can be greatly decreased, the experimental cost is saved, and the experimental parameters of the water ram pump under various lifts can be acquired with the lowest cost.

Description

technical field [0001] The invention relates to an experiment method and an experiment platform of a water hammer pump with an adjustable head, which is a hydraulic experiment method and a platform, and is a method and a platform specially used for water hammer pump experiments. Background technique [0002] Due to the increasingly serious problems of energy and pollution, water hammer pumps, as a mechanical device that can generate water pumping effects without energy consumption and only use the potential energy in the water flow, are increasingly valued. In the process of developing a new type of water hammer pump, it is necessary to test the performance of the water hammer pump through model tests. Only through the model test can the various performances of the water hammer pump be mastered, which is conducive to better popularization and application. More importantly, only through model testing can we better discover the problems in the design and find reasonable impro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B51/00
Inventor 杨开林郭新蕾郭永鑫李甲振付辉王涛施春蓉黄伟张国鹏贾顺忠
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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