CN113663991A - Quick flushing method for water replenishing before pump and water draining after pump in water pipeline of air conditioner - Google Patents
Quick flushing method for water replenishing before pump and water draining after pump in water pipeline of air conditioner Download PDFInfo
- Publication number
- CN113663991A CN113663991A CN202110835338.9A CN202110835338A CN113663991A CN 113663991 A CN113663991 A CN 113663991A CN 202110835338 A CN202110835338 A CN 202110835338A CN 113663991 A CN113663991 A CN 113663991A
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- water
- pump
- flushing
- pipeline
- replenishing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000001502 supplementing effect Effects 0.000 claims abstract description 8
- 238000005406 washing Methods 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/032—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces by the mechanical action of a moving fluid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a method for quickly flushing a water pipeline of an air conditioner by supplementing water before a pump and draining water after the pump, which comprises the following steps: after the pressure test of the pipeline is finished, the flushing loop can be connected, and a flushing temporary pipe is arranged; II, secondly: the temporary water replenishing pump is used for stopping the pump after the pipeline is filled with water and exhausted; thirdly, the method comprises the following steps: starting a formal pump to carry out closed type circulating flushing, controlling the pressure to be 0.4-0.5Mpa during the circulating flushing, continuously flushing for about 1.5 hours, and temporarily stopping the pump to clean the filter for 2-3 times in the middle; fourthly, the method comprises the following steps: the drain valve is opened, the temporary water replenishing pump is opened at the same time, the method of replenishing water and draining water is adopted, the flushing pressure is controlled to be 0.5Mpa, the water replenishing quantity is ensured to be more than or equal to the water draining quantity, and the pipeline flushing device has the advantages of high pipeline flushing pressure, high flow speed, short flushing time and good flushing effect.
Description
Technical Field
The invention relates to the field of air conditioner water pipelines, in particular to a quick flushing method for water replenishing before a pump and water discharging after the pump of an air conditioner water pipeline.
Background
The prior art is as follows: when a water pipe of an air conditioning system is flushed, a formal pump for production is often adopted, and due to the fact that the length of the pipe is long, the pipe diameter is large, the flow of an automatic water replenishing device of the system is limited, water is replenished in a water return pipe, the flushing time of a large number of air conditioning pipelines is long (generally at least 8-10 hours), the flushing effect is poor, and the requirement of debugging and running cannot be met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a method for quickly flushing a water pipeline of an air conditioner by supplementing water before a pump and draining water after the pump, and solves the problems of low flushing efficiency, poor flushing effect, influence on project progress, equipment operation and the like of a large-scale water pipeline of the air conditioner.
In order to solve the technical problem, the invention is realized as follows:
a method for quickly washing a water pipeline of an air conditioner by supplementing water before a pump and draining water after the pump is characterized by comprising the following steps:
the method comprises the following steps: after the pressure test of the pipeline is finished, the flushing loop can be connected, and a flushing temporary pipe is arranged;
step two: the temporary water replenishing pump is used for stopping the pump after the pipeline is filled with water and exhausted;
step three: starting a formal pump to carry out closed type circulating flushing, controlling the pressure to be 0.4-0.5Mpa during the circulating flushing, continuously flushing for about 1.5 hours, and temporarily stopping the pump to clean the filter for 2-3 times in the middle;
step four: the water discharge valve is opened, the temporary water replenishing pump is opened simultaneously, the method of replenishing water and discharging water is adopted, the flushing pressure is controlled to be 0.5Mpa, the water replenishing quantity is ensured to be more than or equal to the water discharge quantity, the water inlet and return pipelines of the general large-scale air conditioner are calculated according to the average pipe diameter DN250mm of the main pipe and the length of 500m, the flow speed of flushing water is calculated according to 1.5 m/min, and the water quality required by the standard can be achieved after continuous flushing for about 4 hours.
The air conditioner water pipeline water replenishing before pump and water draining after pump fast flushing method is characterized in that: in the washing of various large-scale air conditioner water pipes, a washing pipeline is firstly connected into a closed pipeline, a temporary water replenishing pipe is connected at the outlet of a formal production washing water pump, according to the diameter of a system pipeline, the diameter of the pipeline of the water replenishing pump is DN65-DN80mm, the lift of the water replenishing pump is 65H, the flow is 18m3/H, a temporary drain valve is connected at the suction inlet of the formal production washing water pump, a water pipe is connected to an outdoor rainwater well, the diameter of the drain pipe is DN50mm-DN65mm, two formal water pumps are generally adopted for washing, and the suction inlet of each water pump is respectively connected with a drain pipe, namely at least 2 drain points are used for draining water.
The invention has the beneficial effects that: the pipeline flushing pressure is high, the flow rate is high, the flushing time is short, and the flushing effect is good.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
fig. 1 is a schematic diagram of the present application.
Detailed Description
As shown in fig. 1: a method for quickly washing a water pipeline of an air conditioner by supplementing water before a pump and draining water after the pump comprises the following steps:
in the washing of various large-scale air conditioner water pipes, a washing pipeline is firstly connected into a closed pipeline, a temporary water supplementing pipe is connected to the outlet of a formal production washing water pump (the diameter of the pipeline of the water supplementing pump is DN65-DN80mm according to the diameter of a system pipeline), the lift of the water supplementing pump is 65H, the flow is 18m3/H, a temporary drain valve is connected to the suction inlet of the formal production washing water pump (the water pipe is connected to an outdoor rainwater well), and the drain pipe diameter is DN50mm-DN65mm (generally two formal water pumps are adopted for washing, and the suction inlet of each water pump is respectively connected with a drain pipe 4, namely at least 2 drain points are used for draining water).
The method comprises the following steps: after the pressure test of the pipeline is finished, the flushing loop can be connected, and a flushing temporary piping 1 is arranged;
step two: the temporary water replenishing pump 3 stops pumping after the pipeline is filled with water and exhausted;
step three: starting the formal pump 2 to carry out closed type circulating flushing, controlling the pressure to be 0.4-0.5Mpa during the circulating flushing, continuously flushing for about 1.5 hours, and temporarily stopping the pump to clean the filter for 2-3 times in the middle;
step four: the water discharge valve is opened, the temporary water replenishing pump is opened simultaneously, the method of replenishing water and discharging water is adopted, the flushing pressure is controlled to be 0.5Mpa, the water replenishing quantity is ensured to be more than or equal to the water discharge quantity, the water inlet and return pipelines of the general large-scale air conditioner are calculated according to the average pipe diameter DN250mm of the main pipe and the length of 500m, the flow speed of flushing water is calculated according to 1.5 m/min, and the water quality required by the standard can be achieved after continuous flushing for about 4 hours.
Claims (2)
1. A method for quickly washing a water pipeline of an air conditioner by supplementing water before a pump and draining water after the pump is characterized by comprising the following steps:
the method comprises the following steps: after the pressure test of the pipeline is finished, the flushing loop can be connected, and a flushing temporary pipe is arranged;
step two: the temporary water replenishing pump is used for stopping the pump after the pipeline is filled with water and exhausted;
step three: starting a formal pump to carry out closed type circulating flushing, controlling the pressure to be 0.4-0.5Mpa during the circulating flushing, continuously flushing for about 1.5 hours, and temporarily stopping the pump to clean the filter for 2-3 times in the middle;
step four: the water discharge valve is opened, the temporary water replenishing pump is opened simultaneously, the method of replenishing water and discharging water is adopted, the flushing pressure is controlled to be 0.5Mpa, the water replenishing quantity is ensured to be more than or equal to the water discharge quantity, the water inlet and return pipelines of the general large-scale air conditioner are calculated according to the average pipe diameter DN250mm of the main pipe and the length of 500m, the flow speed of flushing water is calculated according to 1.5 m/min, and the water quality required by the standard can be achieved after continuous flushing for about 4 hours.
2. An air conditioner water pipeline water replenishing before pump and water discharging after pump quick flushing method according to claim 1, characterized in that: in the washing of various large-scale air conditioner water pipes, a washing pipeline is firstly connected into a closed pipeline, a temporary water replenishing pipe is connected at the outlet of a formal production washing water pump, according to the diameter of a system pipeline, the diameter of the pipeline of the water replenishing pump is DN65-DN80mm, the lift of the water replenishing pump is 65H, the flow is 18m3/H, a temporary drain valve is connected at the suction inlet of the formal production washing water pump, a water pipe is connected to an outdoor rainwater well, the diameter of the drain pipe is DN50mm-DN65mm, two formal water pumps are generally adopted for washing, and the suction inlet of each water pump is respectively connected with a drain pipe, namely at least 2 drain points are used for draining water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110835338.9A CN113663991A (en) | 2021-07-23 | 2021-07-23 | Quick flushing method for water replenishing before pump and water draining after pump in water pipeline of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110835338.9A CN113663991A (en) | 2021-07-23 | 2021-07-23 | Quick flushing method for water replenishing before pump and water draining after pump in water pipeline of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113663991A true CN113663991A (en) | 2021-11-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110835338.9A Pending CN113663991A (en) | 2021-07-23 | 2021-07-23 | Quick flushing method for water replenishing before pump and water draining after pump in water pipeline of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113663991A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004205109A (en) * | 2002-12-25 | 2004-07-22 | Sanyo Electric Co Ltd | Pipe washing method for air conditioning equipment, its device and system and control device for pipe washing system |
| CN201093930Y (en) * | 2007-07-27 | 2008-07-30 | 贾立东 | Earth heat cleaning machine |
| CN101543825A (en) * | 2009-03-30 | 2009-09-30 | 中国第一冶金建设有限责任公司 | Closed self-circulation hydraulic pipeline flusher |
| CN201327348Y (en) * | 2008-10-14 | 2009-10-14 | 上汽通用五菱汽车股份有限公司 | Pipeline flushing system for cooling circulating water system |
| CN201672852U (en) * | 2010-06-08 | 2010-12-15 | 山东电力研究院 | Thermal flushing system for pipelines |
| CN102012081A (en) * | 2010-11-09 | 2011-04-13 | 上海朗诗建筑科技有限公司 | Water washing device and water washing method for air conditioner |
| CN202224397U (en) * | 2011-07-21 | 2012-05-23 | 合肥豪达投资管理有限公司 | Super-power high-cycle water pipe cleaning machine |
| CN203030588U (en) * | 2013-01-16 | 2013-07-03 | 大唐陕西发电有限公司灞桥热电厂 | Flushing system of heat supply hot water pipe network |
| CN110701114A (en) * | 2019-10-24 | 2020-01-17 | 中国能源建设集团广东省电力设计研究院有限公司 | Furnace water circulating pump starting system and control method |
| CN112128730A (en) * | 2020-09-15 | 2020-12-25 | 华北电力科学研究院有限责任公司西安分公司 | Cleaning and film forming system for closed water system of thermal power plant and operation method |
| CN113028290A (en) * | 2021-04-28 | 2021-06-25 | 中建五局安装工程有限公司 | Pipeline system with flushing function and flushing method |
-
2021
- 2021-07-23 CN CN202110835338.9A patent/CN113663991A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004205109A (en) * | 2002-12-25 | 2004-07-22 | Sanyo Electric Co Ltd | Pipe washing method for air conditioning equipment, its device and system and control device for pipe washing system |
| CN201093930Y (en) * | 2007-07-27 | 2008-07-30 | 贾立东 | Earth heat cleaning machine |
| CN201327348Y (en) * | 2008-10-14 | 2009-10-14 | 上汽通用五菱汽车股份有限公司 | Pipeline flushing system for cooling circulating water system |
| CN101543825A (en) * | 2009-03-30 | 2009-09-30 | 中国第一冶金建设有限责任公司 | Closed self-circulation hydraulic pipeline flusher |
| CN201672852U (en) * | 2010-06-08 | 2010-12-15 | 山东电力研究院 | Thermal flushing system for pipelines |
| CN102012081A (en) * | 2010-11-09 | 2011-04-13 | 上海朗诗建筑科技有限公司 | Water washing device and water washing method for air conditioner |
| CN202224397U (en) * | 2011-07-21 | 2012-05-23 | 合肥豪达投资管理有限公司 | Super-power high-cycle water pipe cleaning machine |
| CN203030588U (en) * | 2013-01-16 | 2013-07-03 | 大唐陕西发电有限公司灞桥热电厂 | Flushing system of heat supply hot water pipe network |
| CN110701114A (en) * | 2019-10-24 | 2020-01-17 | 中国能源建设集团广东省电力设计研究院有限公司 | Furnace water circulating pump starting system and control method |
| CN112128730A (en) * | 2020-09-15 | 2020-12-25 | 华北电力科学研究院有限责任公司西安分公司 | Cleaning and film forming system for closed water system of thermal power plant and operation method |
| CN113028290A (en) * | 2021-04-28 | 2021-06-25 | 中建五局安装工程有限公司 | Pipeline system with flushing function and flushing method |
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Application publication date: 20211119 |
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| RJ01 | Rejection of invention patent application after publication |