Correction methods of online fluid system

A fluid system, fluid pressure technology, applied in pipeline systems, gas/liquid distribution and storage, mechanical equipment, etc., can solve the problem of high system energy consumption, achieve smooth operation, reduce energy consumption, and improve efficiency.

Inactive Publication Date: 2007-08-01
QINGDAO CHUTIAN ENERGY SAVING TECH
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  • Abstract
  • Description
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Problems solved by technology

Some time ago, the water pump frequency conversion adjustment method was used to save energy consumption. The power saving rate was 20-40%, while the actual operating efficiency of the water pump was 40-60%, and the frequency converter itself consumed 3-5%. In addition, when the speed of the water pump decreases , its efficiency will be reduced according to the similarity rate relationship, so the energy consumption of the system is still relatively high if a single frequency conversion energy-saving scheme is adopted

Method used

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  • Correction methods of online fluid system
  • Correction methods of online fluid system

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Embodiment Construction

[0022] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] As shown in Figures 1 and 2, follow the following five steps to correct the deviation of an online central air-conditioning water system.

[0024] l. Use a pressure gauge or a vacuum gauge to measure the fluid pressure of the equipment and pipelines of the central air-conditioning water system.

[0025] (1) Select the water inlet and outlet nodes a and b of the water pump 2 in the system, and measure the inlet and outlet pressure H of the water pump 1 、H 2 , and then get the pump lift H=H 2 -H 1 , Check the characteristic curve of the water pump to get the water flow Q.

[0026] (2) Select the inlet and outlet nodes c and d of the heat exchange device 3, measure the inlet and outlet standard pressures of the heat exchange device, and obtain the internal resistance of the heat exchange device in operation.

[0027] (3) Measure the geometric ...

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Abstract

The invention relates to a method for correcting the online fluid system, comprises that 1, selecting the node of online fluid system, measuring the fluid pressure; 2, measuring the power of power device; 3, checking the tube of system; 4, measuring the character of tubes; 5, replacing the power device. The invention can improve the efficiency of power device 10% higher than general condition, reduce energy consumption more than 40%, and prolong the service life of fluid transmitter.

Description

technical field [0001] The invention belongs to the technical field of fluid delivery or circulation systems, and in particular relates to a deviation correction method for an online fluid system. Background technique [0002] Fluid conveying or circulation systems are widely used in large-scale engineering fields such as building air-conditioning units, cooling, etc., and their power consumption is huge. At present, there are generally unreasonable and unscientific problems in the matching of power machinery and systems in fluid transportation or circulation systems, which is commonly known as the phenomenon of "big horse-drawn carts", which causes a great waste of energy and adds huge costs to engineering application units. expenditure. [0003] Let's take the central air-conditioning system as an example to illustrate. Central air-conditioning is widely used in buildings, hotels, restaurants, etc. While it brings comfort to people's lives, it is also the main energy-con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D3/01
Inventor 范昌海
Owner QINGDAO CHUTIAN ENERGY SAVING TECH
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