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Quick flushing method for supplementing water before pumping and draining water after pumping of air conditioner water pipeline

A fast flushing and water pipeline technology, applied in the field of air-conditioning water pipelines, can solve the problems of equipment operation affecting the progress of the project, poor flushing effect, and low flushing efficiency of large-scale air-conditioning water pipes, and achieve good flushing effect, short flushing time, and high flushing pressure. high effect

Pending Publication Date: 2021-11-19
SHANGHAI BAOYE GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to overcome the defects of the prior art, and provides a fast flushing method for water supply before the pump of the air-conditioning water pipeline and drainage after the pump, so as to solve the problems of low flushing efficiency and poor flushing effect of large-scale air-conditioning water pipelines, which affect the progress of the project and the operation of equipment, etc.

Method used

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  • Quick flushing method for supplementing water before pumping and draining water after pumping of air conditioner water pipeline

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Embodiment Construction

[0014] Such as figure 1 Shown: A quick flushing method for water supply before the pump of the air-conditioning water pipeline and drainage after the pump, including the following steps:

[0015] In the flushing of various large-scale air-conditioning water pipes, the flushing pipeline is first connected into a closed pipeline, and a temporary water supply pipe is connected to the outlet of the official production flushing water pump (according to the diameter of the system pipeline, the diameter of the pipeline for the water supply pump is DN65-DN80mm) , the head of the replenishment pump is 65H, the flow rate is 18m3 / h, a temporary drain valve is connected to the suction port of the official production flushing pump (the water pipe is connected to the outdoor rainwater well), and the diameter of the drain pipe is DN50mm-DN65mm (generally two official water pumps are used for flushing, A drainage pipe 4 is respectively connected to the suction port of each water pump, that is...

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Abstract

The invention relates to a quick flushing method for replenishing water before pumping and draining water after pumping of an air conditioner water pipeline. The method comprises the following steps that 1, a flushing loop can be connected after pressure testing of a pipeline is completed, and a flushing temporary piping is arranged; 2, a temporary water replenishing pump is used for replenishing water into the pipeline, exhausting is completed, and the temporary water replenishing pump is stopped; 3, a formal pump is started to carry out closed circulating flushing, the pressure is controlled to be 0.4-0.5 Mpa during circulating flushing, continuous flushing is carried out for about 1.5 hours, and the pump can be temporarily stopped to clean a filter for 2-3 times in the process; and 4, a drainage valve is opened, meanwhile, the temporary water replenishing pump is opened. The method of conducting water supplementing and drainage at the same time is adopted, the flushing pressure is controlled to be 0.5 Mpa, it is guaranteed that the water supplementing amount is larger than or equal to the water displacement, and the pipeline flushing pressure is high, the flow speed is high, the flushing time is short, and the flushing effect is good.

Description

technical field [0001] The invention relates to the field of air-conditioning water pipelines, in particular to a quick flushing method of replenishing water before the pump of the air-conditioning water pipeline and draining water after the pump. Background technique [0002] Existing technology: When flushing the water pipes of the air conditioning system, formal production pumps are often used. Due to the long pipeline and large diameter, the flow of the automatic water replenishment device of the system is limited, and the water is replenished in the return pipe, resulting in long flushing time for many large air conditioner pipes (Generally at least 8-10 hours), the flushing effect is poor, and cannot meet the requirements of debugging and operation. Contents of the invention [0003] The present invention aims to overcome the defects of the prior art, and provides a fast flushing method for water supply before the pump of the air-conditioning water pipeline and drain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B9/032
CPCB08B9/0321B08B2209/032
Inventor 孟献民侯振峰姚怡鑫
Owner SHANGHAI BAOYE GRP CORP
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