CN103191893A - Cleaning method and deivce of lubricating oil pipeline - Google Patents
Cleaning method and deivce of lubricating oil pipeline Download PDFInfo
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- CN103191893A CN103191893A CN2013101013589A CN201310101358A CN103191893A CN 103191893 A CN103191893 A CN 103191893A CN 2013101013589 A CN2013101013589 A CN 2013101013589A CN 201310101358 A CN201310101358 A CN 201310101358A CN 103191893 A CN103191893 A CN 103191893A
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Abstract
The invention relates to a cleaning method and deivce of a lubricating oil pipeline. The cleaning method is characterized in that the lubricating oil pipeline is subjected to blast cleaning by aid of air blasting and specially includes three steps: (1) air blasting structure production; (2) air blasting structure installation and (3) air blasting. The cleaning deivce is characterized by comprising an air compressor (1), a compressed air pipeline (2), a pressure gage (3), a drying filter (4), a hand-operated valve (5), a connection flange (6), a blasting board (8) and an inspection target board (9). The pressure gage (3) is arranged on the compressed air pipeline (2). The input end of the hand-operated valve (5) is connected with an output of the drying filter (4), the output end of the hand-operated valve (5) is connected onto the input end of a pipeline (7) to be cleaned, the output end of the pipeline (7) to be cleaned is provided with the blasting board (8), and the target board (9) is arranged between an output of the pipeline (7) to be cleaned and the blasting board (8) to form a high pressure sealing structure. The cleaning method and deivce can avoid bearing bush abrasion, main shaft vibration and other accidents, has important meanings for unit safe operation, and can fasten generator production.
Description
Technical field
The present invention relates to a kind of clean method and device of duct cleaning device, particularly a kind of lubricating pipe.Belong to the electric power factory equipment technical field.
Background technology
At present, in the power plant equipment technical field, the flushing of lubricating pipe is the important step of oil system debugging and interlocking debugging, it washes the whether qualified normal and stable operation that will have a strong impact on generating set, so the flushing of lubricating pipe becomes the key technology link of thermal power plant's engineering construction.Yet, in the technology, generally adopt the water circulation to clean to the flushing of lubricating pipe now, there is following shortcoming in it: (1) washing time is long, remote-effects power plant production efficiency and economic benefit; (2) the flushing lubricating pipe needs a large amount of running water, causes water resource waste on the one hand, and large amount of sewage enters sewer on the other hand, causes environmental pollution easily; (3) it is undesirable to depend the pipe cleanness of running water flushing alone, causes the quality of lubricating oil to degenerate very soon.
Therefore, how to shorten cleaning cycle, the quality that improves lubricating oil becomes the problem that the power plant need solve.
Summary of the invention
One of purpose of the present invention is at the waste water resource of present technology running water flushing existence and the defective of contaminated environment, and a kind of clean method of lubricating pipe is provided.
Two of purpose of the present invention is for a kind of cleaning device of lubricating pipe is provided.That this device has is simple in structure, the cleaning is quick and effective, has improved the characteristics of economic benefit of enterprises greatly.
One of purpose of the present invention can reach by the following technical programs:
A kind of lubricating pipe clean method is characterized in that: utilize that air is quick-fried to carry out explosion to lubricating pipe and clean, concrete steps are as follows:
1) makes the quick-fried structure of air
Comprise explosion plate and check target plate; The explosion plate is made by book sheet metal, plank or hardboard, and the requirement of strength of this explosion plate is in air pressure explosion during near 7.5Bar; The check target plate is made by brass sheet or aluminium sheet, and the smooth surface of this check target plate requires the intensity of check target plate indeformable when explosion to satisfy the cleannes inspection; For making of the target plate that checks cleannes;
2) the quick-fried structure of air is installed
With checking target plate to be installed in the center of explosion plate, adopt bolting; The explosion plate is fixed on the terminal surface that needs cleanser conduit, adopts bolting;
3) airblasting
The first step is ready to the quick-fried material and facility of air, comprises air compressor, steam supply valve, flange and air supply hose, the air compressor capacity requirement 5 mark sides rice/minute more than, pressure provides to 7.5Bar; Use drying equipment that air is carried out drying;
Second step, carry out the blowpipe explosion, the explosion plate is installed to the end that needs to purge duct section, load onto for the check target plate that checks cleannes; Interim air supply pipe is connected on the pipeline section to be cleaned; To the pipeline section pressurising, pop up to the explosion plate, finish primary air and blow quick-fried;
The 3rd step repeated the second described blowpipe explosion of step, cannot see dust and foreign matter in pipeline, or the fineness of the check target plate of installing reaches designing requirement, finished the lubricating pipe cleaning.
One of purpose of the present invention can also reach by the following technical programs:
Further, when carrying out the described airblasting of step 3), pipeline is divided into some sections, with duct segments the time, mainly considers factor aspect air demand and air feed distance, explosion plate installation site, the blowpipe efficient; With interim air supply pipe be connected to an end of pipeline, namely away from the other end of the pipeline of explosion plate installation site, open the air manometer that monitors sweep air pressure.
Further, during step 3) airblasting, in a distance that faces the explosion plate baffle plate is set, prevents that the explosion plate from injuring people and equipment when popping.
Two of purpose of the present invention can reach by the following technical programs:
A kind of lubricating pipe cleaning device, its design feature is: comprise air compressor, compressed air piping, Pressure gauge, device for drying and filtering, hand-operated valve, adpting flange, explosion plate and check target plate, an end of compressed air piping is connected with the air compressor outlet, the other end is connected to the device for drying and filtering input port; Pressure gauge is installed on the compressed air piping; The input that the hand-operated valve input is connected with the delivery outlet of device for drying and filtering, output is connected to pipeline to be cleaned by adpting flange, pipeline output to be cleaned is equipped with the explosion plate, between pipeline delivery outlet to be cleaned and explosion plate, target plate is installed, forms high pressure seal structure.
Two of purpose of the present invention can also reach by the following technical programs:
Further, pipe to be cleaned can be connected to the explosion plate by seal connector, forms hermetically-sealed construction.
Further, described explosion plate can be fixed on the output of pipeline to be cleaned by bolt seal, in pipe air pressure inside to be cleaned explosion during near the air compressor output pressure.
Further, the area of described check target plate can be less than the area of pipe delivery outlet to be cleaned, and is indeformable when the explosion of explosion plate.
Further, the intensity of described check target plate can be greater than the intensity of explosion plate.
The invention has the beneficial effects as follows:
1, the present invention utilizes airblasting that lubricating pipe is carried out the explosion cleaning, produces air detonation phenomenon during airblasting, produces instant impact, reaches the purpose of impurity and the dirt of quick cleaning pipe interior.Adopt in the power plant construction of the present invention the oil circulation duration significantly to shorten than common cleaning, oil is increased to 3 grades by 7 grades of NAS grades.Can prevent that the power plant from accidents such as the bearing bush abrasion that occurs because of the oil-piping cleaning problems and big shaft vibration taking place between limber up period, significant to the safe operation of unit; Can accelerate the operation progress in power plant.
2, the cleaning device that the present invention relates to forms hermetically-sealed construction, owing to adopt the more weak explosion plate of intensity, after high pressure air enters pipeline to be cleaned, make the moment fragmentation of explosion plate, produce instant impact, realize treating that cleanser conduit carries out powerful dust and foreign matter is removed.Has beneficial effect simple in structure, that cleaning speed is fast and cleannes are high.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structure cutaway view of explosion plate and pipeline to be cleaned installation place.
The structural representation that Fig. 3 is connected with the check target plate for the explosion plate.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples:
Specific embodiment 1:
With reference to Fig. 1, Fig. 2 and Fig. 3, the lubricating pipe cleaning device that present embodiment relates to, comprise air compressor 1, compressed air piping 2, Pressure gauge 3, device for drying and filtering 4, hand-operated valve 5, adpting flange 6, explosion plate 8 and check target plate 9, an end of compressed air piping 2 is connected with air compressor 1 outlet, the other end is connected to device for drying and filtering 4 input ports; Pressure gauge 3 is installed on the compressed air piping 2; The input that hand-operated valve 5 inputs are connected with the delivery outlet of device for drying and filtering 4, output is connected to pipeline 7 to be cleaned by adpting flange 6, pipeline 7 outputs to be cleaned are equipped with explosion plate 8, at pipeline 7 delivery outlets to be cleaned and 8 of explosion plates target plate 9 is installed, forms high pressure seal structure.
In the present embodiment:
Method to lubricating pipe cleans is characterized in that: utilize that air is quick-fried to carry out explosion to lubricating pipe and clean, concrete steps are as follows:
1) makes the quick-fried structure of air
Comprise explosion plate and check target plate; The explosion plate is made by book sheet metal, plank or hardboard, and the requirement of strength of this explosion plate is in air pressure explosion during near 7.5Bar; The check target plate is made by brass sheet or aluminium sheet, and the smooth surface of this check target plate requires the intensity of check target plate indeformable when explosion to satisfy the cleannes inspection; For making of the target plate that checks cleannes,
2) the quick-fried structure of air is installed
With checking target plate to be installed in the center of explosion plate, adopt bolting; The explosion plate is fixed on the terminal surface that needs cleanser conduit, adopts bolting;
3) airblasting
The first step is ready to the quick-fried material and facility of air, comprises air compressor, steam supply valve, flange and air supply hose, the air compressor capacity requirement 5 mark sides rice/minute more than, pressure provides to 7.5Bar; Use drying equipment that air is carried out drying;
Second step, carry out the blowpipe explosion, the explosion plate is installed to the end that needs to purge duct section, load onto for the check target plate that checks cleannes; Interim air supply pipe is connected on the pipeline section to be cleaned; To the pipeline section pressurising, pop up to the explosion plate, finish primary air and blow quick-fried;
The 3rd step repeated the second described blowpipe explosion of step, cannot see dust and foreign matter in pipeline, or the fineness of the check target plate of installing reaches designing requirement, finished the lubricating pipe cleaning.
Further, when carrying out the described airblasting of step 3), pipeline is divided into some sections, with duct segments the time, mainly considers factor aspect air demand and air feed distance, explosion plate installation site, the blowpipe efficient; With interim air supply pipe be connected to an end of pipeline, namely away from the other end of the pipeline of explosion plate installation site, open the air manometer that monitors sweep air pressure.
Further, during step 3) airblasting, in a distance that faces the explosion plate baffle plate is set, prevents that the explosion plate from injuring people and equipment when popping.
Operation principle of the present invention:
Make compressor operating, internal pressure reaches 7.5MPa, and the hand-operated valve of opening an account pops up to the explosion plate to the pipeline section pressurising, produces air detonation phenomenon, produces instant impact, reaches the purpose of impurity and the dirt of quick cleaning pipe interior.Reinstall the explosion plate and clear up, the cleannes up to the target plate surface reach requirement, and namely pipeline cleaning is finished.
Three M701F types of certain Installation in Plant combustion and steam Combined Cycle Unit, three units are used three kinds of different cleaning methods of the quick-fried blowpipe of common cleaning, water wash cycles and air respectively before the lubricating pipe flushing, oily as shown in table 1 after the oil circulation duration of its correspondence and the oil circulation.
The oil circulation result that certain power plant of table 1 unit of the same type is used after the different cleaning method compares
Can find out that from table 1 after the quick-fried cleaning of application of air, the oil circulation duration has shortened 16 days than common cleaning, shorten closely 20% that oil is increased to 3 grades by 7 grades of NAS grades.
Benefit: prevent that the power plant from accidents such as the bearing bush abrasion that occurs because of the oil-piping cleaning problems and big shaft vibration taking place easily between limber up period, significant to the safe operation of unit; Accelerating the operation progress in power plant, is example with the power plant of three units, in advance 16 day duration, calculate 16 days generated energy by three 390MW power plant and be about 1.8 hundred million degree (rate of load condensates 80%, 12 hours every days of peaking operation), by the profit of 0.2 yuan of every degree, economic benefit is about 3,600 ten thousand yuan.
The above; only be the preferable specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all belonged to protection scope of the present invention.
Claims (8)
1. lubricating pipe clean method is characterized in that: utilize airblasting that lubricating pipe is carried out explosion and clean, concrete steps are as follows:
1) makes the quick-fried structure of air
Comprise explosion plate and check target plate; The explosion plate is made by book sheet metal, plank or hardboard, and the requirement of strength of this explosion plate is in air pressure explosion during near 7.5Bar; The check target plate is made by brass sheet or aluminium sheet, and the smooth surface of this check target plate requires the intensity of check target plate indeformable when explosion to satisfy the cleannes inspection; For making of the target plate that checks cleannes,
2) the quick-fried structure of air is installed
With checking target plate to be installed in the center of explosion plate, adopt bolting; The explosion plate is fixed on the terminal surface that needs cleanser conduit, adopts bolting;
3) airblasting
The first step is ready to the quick-fried material and facility of air, comprises air compressor, steam supply valve, flange and air supply hose, the air compressor capacity requirement 5 mark sides rice/minute more than, pressure provides to 7.5Bar; Use drying equipment that air is carried out drying;
Second step, carry out the blowpipe explosion, the explosion plate is installed to the end that needs to purge duct section, load onto for the check target plate that checks cleannes; Interim air supply pipe is connected on the pipeline section to be cleaned; To the pipeline section pressurising, pop up to the explosion plate, finish primary air and blow quick-fried;
The 3rd step repeated the second described blowpipe explosion of step, cannot see dust and foreign matter in pipeline, or the fineness of the check target plate of installing reaches designing requirement, finished the lubricating pipe cleaning.
2. a kind of lubricating pipe clean method as claimed in claim 1, it is characterized in that: when carrying out the described airblasting of step 3), pipeline is divided into some sections, with duct segments the time, mainly considers factor aspect air demand and air feed distance, explosion plate installation site, the blowpipe efficient; With interim air supply pipe be connected to an end of pipeline, namely away from the other end of the pipeline of explosion plate installation site, open the air manometer that monitors sweep air pressure.
3. a kind of lubricating pipe clean method as claimed in claim 1 or 2 is characterized in that: during step 3) airblasting, in a distance that faces the explosion plate baffle plate is set, prevents that the explosion plate from injuring people and equipment when popping.
4. a kind of lubricating pipe cleaning device as claimed in claim 1, it is characterized in that: comprise air compressor (1), compressed air piping (2), Pressure gauge (3), device for drying and filtering (4), hand-operated valve (5), adpting flange (6), explosion plate (8) and check target plate (9), an end of compressed air piping (2) export with air compressor (1) be connected, the other end is connected to device for drying and filtering (4) input port; Pressure gauge (3) is installed on the compressed air piping (2); The input that hand-operated valve (5) input is connected with the delivery outlet of device for drying and filtering (4), output is connected to pipeline to be cleaned (7) by adpting flange (6), pipeline to be cleaned (7) output is equipped with explosion plate (8), between pipeline to be cleaned (7) delivery outlet and explosion plate (8), target plate (9) is installed, forms high pressure seal structure.
5. a kind of lubricating pipe cleaning device according to claim 4, it is characterized in that: pipe to be cleaned (7) is connected to explosion plate (8) by seal connector (10), forms hermetically-sealed construction.
6. a kind of lubricating pipe cleaning device according to claim 4, it is characterized in that: described explosion plate (8) is fixed on the output of pipeline to be cleaned (7) by bolt seal, in the explosion during near air compressor (1) output pressure of pipe to be cleaned (7) air pressure inside.
7. a kind of lubricating pipe cleaning device according to claim 6, it is characterized in that: the area of described check target plate (9) is less than the area of pipe to be cleaned (7) delivery outlet, and is indeformable when explosion plate (8) explosion.
8. according to the described a kind of lubricating pipe cleaning device of the arbitrary claim of claim 4 to 7, it is characterized in that: the intensity of described check target plate (9) is greater than the intensity of explosion plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101013589A CN103191893A (en) | 2013-03-27 | 2013-03-27 | Cleaning method and deivce of lubricating oil pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101013589A CN103191893A (en) | 2013-03-27 | 2013-03-27 | Cleaning method and deivce of lubricating oil pipeline |
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| CN103191893A true CN103191893A (en) | 2013-07-10 |
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| CN2013101013589A Pending CN103191893A (en) | 2013-03-27 | 2013-03-27 | Cleaning method and deivce of lubricating oil pipeline |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521486A (en) * | 2013-09-30 | 2014-01-22 | 中国一冶集团有限公司 | Method for quickly dredging ultrasonic testing tube of pile foundation |
| CN103599909A (en) * | 2013-11-26 | 2014-02-26 | 武钢集团昆明钢铁股份有限公司 | Low-air-consumption method and low-air-consumption device for safely sweeping steelmaking oxygen pipeline |
| CN104014562A (en) * | 2014-05-20 | 2014-09-03 | 天津市管道工程集团有限公司 | Process for cleaning whole inner wall of long pipeline for high-purity gas |
| CN104014563A (en) * | 2014-05-20 | 2014-09-03 | 天津市管道工程集团有限公司 | Reverse and forward long pipeline inner wall cleaning detonating processing technology |
| CN108262314A (en) * | 2018-01-17 | 2018-07-10 | 山东钢铁集团日照有限公司 | Hydraulic pipeline high-efficiency rinsing method |
| CN110355156A (en) * | 2019-06-28 | 2019-10-22 | 华电电力科学研究院有限公司 | A kind of packaged type blowing pipeline system of segment connecting device |
| CN113731967A (en) * | 2021-08-16 | 2021-12-03 | 中国核工业第五建设有限公司 | Nuclear power station main steam pipeline blasting purging system and process thereof |
| CN115031150A (en) * | 2022-06-28 | 2022-09-09 | 中国航发燃气轮机有限公司 | Method for controlling cleaning quality of lubricating oil pipeline of gas turbine |
| CN115193829A (en) * | 2022-02-22 | 2022-10-18 | 舜元建设(集团)有限公司 | Air conditioner pipeline circulation rinse-system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521486A (en) * | 2013-09-30 | 2014-01-22 | 中国一冶集团有限公司 | Method for quickly dredging ultrasonic testing tube of pile foundation |
| CN103521486B (en) * | 2013-09-30 | 2016-02-17 | 中国一冶集团有限公司 | Pile foundation ultrasonic detector tube Quick dredging method |
| CN103599909A (en) * | 2013-11-26 | 2014-02-26 | 武钢集团昆明钢铁股份有限公司 | Low-air-consumption method and low-air-consumption device for safely sweeping steelmaking oxygen pipeline |
| CN104014562A (en) * | 2014-05-20 | 2014-09-03 | 天津市管道工程集团有限公司 | Process for cleaning whole inner wall of long pipeline for high-purity gas |
| CN104014563A (en) * | 2014-05-20 | 2014-09-03 | 天津市管道工程集团有限公司 | Reverse and forward long pipeline inner wall cleaning detonating processing technology |
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| CN108262314A (en) * | 2018-01-17 | 2018-07-10 | 山东钢铁集团日照有限公司 | Hydraulic pipeline high-efficiency rinsing method |
| CN110355156A (en) * | 2019-06-28 | 2019-10-22 | 华电电力科学研究院有限公司 | A kind of packaged type blowing pipeline system of segment connecting device |
| CN113731967A (en) * | 2021-08-16 | 2021-12-03 | 中国核工业第五建设有限公司 | Nuclear power station main steam pipeline blasting purging system and process thereof |
| CN115193829A (en) * | 2022-02-22 | 2022-10-18 | 舜元建设(集团)有限公司 | Air conditioner pipeline circulation rinse-system |
| CN115193829B (en) * | 2022-02-22 | 2023-07-25 | 舜元建设(集团)有限公司 | Air conditioner pipeline circulation flushing system |
| CN115031150A (en) * | 2022-06-28 | 2022-09-09 | 中国航发燃气轮机有限公司 | Method for controlling cleaning quality of lubricating oil pipeline of gas turbine |
| CN115031150B (en) * | 2022-06-28 | 2024-02-27 | 中国航发燃气轮机有限公司 | Lubricating oil pipeline cleaning quality control method of gas turbine |
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Application publication date: 20130710 |