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Water power balancing debugging method of pipeline system

A technology of pipeline system and debugging method, applied in the field of hydraulic system, can solve problems such as cumbersome adjustment, and achieve the effect of reducing energy consumption, reducing time, and high practical value

Inactive Publication Date: 2013-05-08
卓旦春
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although the above comparison document regulates the flow and pressure, it is only adjusted for a single valve
Multiple valves connected in parallel in the system need to be tested and adjusted one by one, and there is also the problem of cumbersome adjustments

Method used

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  • Water power balancing debugging method of pipeline system
  • Water power balancing debugging method of pipeline system
  • Water power balancing debugging method of pipeline system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as figure 1 As shown, the pipeline system includes a water inlet pipe and a water return pipe. There are five user terminals 2 connected in parallel between the water inlet pipe and the water return pipe. Each user terminal 2 has a balance valve 3 that can adjust the flow of its branch. It also has a cooperative valve 1 that can regulate the flow of the entire water inlet pipe.

[0026] This debugging method includes the following steps:

[0027] A. Debugging preparation: Select the balance valve at the end user end of the pipeline system as the reference valve, and connect the ordinary differential pressure tester to the reference valve.

[0028] B. Measuring the differential pressure of the reference valve: measure the reference valve 5 with an ordinary tester 4, and obtain the pressure differential △pR continuously measured at the reference valve 5, which is used as a reference value. In this embodiment, the opening of the reference valve 5 is changed to keep ...

Embodiment 2

[0034] This embodiment is basically the same as Embodiment 1, except that there are six user terminals 2 connected in parallel between the water inlet pipe and the water outlet pipe, and at the same time, the pressure difference when the reference valve 5 is fully opened in step B is greater than 3KPA. At this time, the pressure difference when the reference valve 5 is fully opened is used as a reference value.

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Abstract

The invention provides a water power balancing debugging method of a pipeline system and belongs to the water power system technical field. The water power balancing debugging method of the pipeline system resolves the problem that an existing debugging method of pressure drop is complicated. In the debugging method, a plurality of user ends are parallelly connected between a water inlet pipe and a water outlet pipe, a balancing valve at the position of a tail end user end is selected as a referring valve as debugging, and a tester is utilized to get the pressure drop at the position of the referring valve as a referring valve. The balancing valve at the position of a user end which is adjacent to the tail end user end is opened, the referring valve is further measured by the tester, and the pressure drop at the position of the referring valve is acquired. If a measured differential pressure is different from the referring valve, then an cooperation valve is opened and the differential pressure at the position of the referring valve is changed, so that the differential pressure is matched with the range of the referring valve, and a balancing valve at the position of a reciprocal third user end is opened, and the rest can be done in the same manner. Eventually, the differential pressures of the balancing valves of all user ends in the whole system are basically the same. The debugging method has the advantages of being fast and convenient to debug, low in systematic cost and high in utility value.

Description

technical field [0001] The invention belongs to the technical field of hydraulic systems, and relates to a hydraulic balance debugging method of a pipeline system. Background technique [0002] Pressure drop refers to the difference between two pressure values ​​on the same pressure surface, which reflects the change of pressure in a section of pipeline. That is to say, the pressure drop refers to the pressure difference, which generally refers to the pressure lost by a fluid passing through a certain container or equipment. For example, the pressure drop across a balancing valve is equal to the pre-valve pressure minus the post-valve pressure. [0003] When a balance valve is used to adjust the flow, the pressure drop in the valve and the pipeline changes, which changes the pressure drop at both ends of the other balance valves. Therefore, the flow adjustment of a balance valve will change the flow in the adjusted valve. The existing method is to adjust the balance valve ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D16/20
Inventor 卓旦春
Owner 卓旦春
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