CN105964632A - On-line cyclic cleaning process for hydraulic pipeline system - Google Patents
On-line cyclic cleaning process for hydraulic pipeline system Download PDFInfo
- Publication number
- CN105964632A CN105964632A CN201610367577.5A CN201610367577A CN105964632A CN 105964632 A CN105964632 A CN 105964632A CN 201610367577 A CN201610367577 A CN 201610367577A CN 105964632 A CN105964632 A CN 105964632A
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- Prior art keywords
- cleaning
- valve block
- cleaned
- pipeline
- block assembly
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Classifications
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- 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
Abstract
The invention discloses an on-line cyclic cleaning process for a hydraulic pipeline system and belongs to pipeline cleaning technologies in the field of hydraulic transmission. The on-line cyclic cleaning process for the hydraulic pipeline system aims at achieving the technical effect that an on-line cyclic cleaning technology for complex, long and large hydraulic pipeline systems is provided so that cleaning quality and efficiency can be improved. According to the technical scheme, the on-line cyclic cleaning process comprises the steps of 1, firstly, switching off a hydraulic power pack, an actuator, a control valve piece and a real valve block assembly; 2, designing a cleaning loop; 3, connecting pipelines different in pipe diameter in sequence from thick to thin; 4, designing a mock-up valve block assembly; 5, connecting the mock-up valve block assembly to to-be-cleaned loops; 6, connecting the to-be-cleaned loops to a cleaning oil source; 7, cleaning each to-be-cleaned loop; and 8, checking whether the cleaning effect is qualified or not, wherein if the cleaning effect is qualified, a valve block assembly is replaced with a clean valve block assembly, the control valve piece and the real valve block assembly are replaced, and the cleaning work is completed; and if the cleaning effect is not qualified, the cleaning process in step 7 is repeated till the cleaning effect is qualified. The on-line cyclic cleaning process is applied to cleaning of hydraulic pipelines.
Description
Technical field
A kind of hydraulic plumbing system online wash cycles technique, belongs to the pipeline cleaning technology in hydraulic drive field, special
Do not relate to the on-line cleaning technology of a kind of complexity, length, big fluid pressure line.
Background technology
For hydraulic plumbing system complicated, long, big, process and flow process that the most online wash cycles uses be: disconnected
Open hydraulic power unit, executive component and control element etc., with interim jumper pipe, each hydraulic fluid port is carried out short circuit, make pipeline connect into one
Or several loop；The loop of short circuit is split by " pipe-line system schematic diagram ", and carries out respectively with reference to hydraulic system principle figure
Clean.This cleaning is disadvantageous in that: 1, the online wash cycles loop after short circuit, except comprise to be cleaned firmly
Pipe, hoseline, also complicated in valve block assembly oil circuit., there is many blind holes, right angle connection in valve block assembly hole system complexity
Hole, phase perforation etc., in cleaning process, be conducted mutually because of oil circuit, and it is difficult that the fifth wheel washed out can be brought into some by the fluid of flowing
Dead angle with cleaning；2, in valve block assembly, some are intensive, the short-bore of direction curvedization multiterminal, aperture can be to cleaning fluid generation resistance
Power, causes pressure loss during cleaning, the quality of impact cleaning and efficiency；3, the scavenger circuit caliber after short circuit is inconsistent, right
In the inside pipe wall that difference is bigger, the change of cleaning pressure, flow can be caused so that it is do not reach optimal clean environment.Domestic and state
A lot of for hydraulic plumbing system complicated, long, big online wash cycles technical research outward, but for background technology is mentioned not
Study the most accordingly in place of foot.
Summary of the invention
The technical problem to be solved is to provide one and circulates online for hydraulic plumbing system complicated, long, big
Cleaning technique, in order to improve the quality and efficiency cleaned.
For solving above-mentioned technical problem, the technical solution adopted in the present invention: a kind of online circulation cleaning of hydraulic plumbing system
Wash technique, follow the steps below:
The first step, first disconnects hydraulic power unit, executive component and control valve member and true valve block assembly；
Second step, designs scavenger circuit, according to hydraulic system pipeline figure to needing each the pipeline cleaned to carry out combing, and will pipe
Footpath is consistent or caliber differs less pipeline to be cleaned and is attached；By pipeline inconsistent for caliber, by from coarse to fine suitable
Sequence connects；
4th step, designs the passage in mould dress valve block assembly according to the scavenger circuit of the 3rd step；
5th step, is connected to loop to be cleaned, by pipeline to be cleaned along circulation by the mould dress valve block assembly of design in the 4th step
Clean direction, be linked in sequence by from coarse to fine；
6th step, is that the pipeline to be cleaned in the 5th step connects cleaning oil sources；
7th step, cleans each loop to be cleaned one by one according to the wash cycles loop of design；
8th step, inspection cleaning performance is the most qualified, qualified, changes the true valve block assembly of cleaning and controls valve member, completing
Cleaning, the defective cleaning process then repeating the 7th step, until cleaning performance is qualified.
The pipeline to be cleaned that in described second step, caliber is consistent or caliber difference is less uses series system to connect into back
Road.
The pipeline to be cleaned that in described second step, caliber is consistent or caliber difference is less uses mode in parallel to connect into
Loop.
Compared to the prior art the present invention has the advantages that.
One, the present invention is by the fluid pressure line of the complexity of combing again, and designs every according to the pipe diameter size of pipeline to be cleaned
Article one, wash cycles loop, specifically by the most in series or in parallel, then by caliber for consistent for caliber or that difference is less pipeline
Inconsistent pipeline is linked in sequence as scavenger circuit according to from coarse to fine, and such connection design both can guarantee that and needed to clean
Pipeline can clean to, and can guarantee that again pipeline to be cleaned can obtain optimal clean condition (pressure, flow), redesign clear
Washing loop and can effectively reduce the difficulty of cleaning, greatly reduce some positions being difficult to clear up and position, dead angle, cleanout fluid exists simultaneously
Pipeline is more easy to flow with turbulent condition so that a part makees the cleanout fluid of horizontal eddy motion, can effectively remove those difficult
With the position removed and position, dead angle.
Two, the present invention is simultaneously by utilizing mould dress valve block assembly to replace true valve block assembly, simplifies the hole system of true valve block
Structure, remove be not involved in wash cycles unnecessary hole and reduce cleaning dead angle, and according to designed wash cycles loop, will
Passage pore size and trend are optimized according to actual needs, it is to avoid in valve block assembly, some are intensive, direction curvedization multiterminal
Short-bore, aperture can produce resistance to cleaning fluid, cause pressure loss during cleaning, and the mould dress valve block assembly after optimization makes circulation
Cleaning reaches optimal clean state, is effectively increased cleaning quality and efficiency.
Accompanying drawing explanation
Fig. 1 is the cleaning process flow figure of the present invention.
Fig. 2 is the schematic diagram of true valve block assembly.
Fig. 3 is the schematic diagram of mould of the present invention dress valve block assembly.
Detailed description of the invention
As it is shown in figure 1, a kind of hydraulic plumbing system online wash cycles technique, follow the steps below:
The first step, first disconnects hydraulic power unit, executive component and control valve member and true valve block assembly；
Second step, designs scavenger circuit, according to hydraulic system pipeline figure to needing each the pipeline cleaned to carry out combing, and will pipe
Footpath is consistent or caliber differs less pipeline to be cleaned and is attached；By pipeline inconsistent for caliber, by from coarse to fine suitable
Sequence connects；
4th step, designs the passage in mould dress valve block assembly according to the scavenger circuit of the 3rd step；
5th step, is connected to loop to be cleaned, by pipeline to be cleaned along circulation by the mould dress valve block assembly of design in the 4th step
Clean direction, be linked in sequence by from coarse to fine；
6th step, is that the pipeline to be cleaned in the 5th step connects cleaning oil sources；
7th step, cleans each loop to be cleaned one by one according to the wash cycles loop of design；
8th step, inspection cleaning performance is the most qualified, qualified, changes the true valve block assembly of cleaning and controls valve member, completing
Cleaning, the defective cleaning process then repeating the 7th step, until cleaning performance is qualified.
The pipeline to be cleaned that in described second step, caliber is consistent or caliber difference is less uses series system to connect into back
Road.
The pipeline to be cleaned that in described second step, caliber is consistent or caliber difference is less uses mode in parallel to connect into
Loop.
Described mould dress valve block assembly is made up of mould dress valve block and control valve latch fitting, and its middle mold dress valve block is used for replacing hydraulic tube
True valve block in road, its installation site is consistent with true valve block with overall dimensions, with the interface needing detergent line to be connected
Position, size are also identical with true valve block, but mould dress valve block is to be redesigned to the hole in true valve block, it is therefore intended that
Simplify the hole series structure of true valve block, remove be not involved in wash cycles unnecessary hole and reduce cleaning dead angle, simultaneously according to institute
The wash cycles loop of design, is optimized according to actual needs by passage pore size and trend.Mould dress valve block and true valve block
Compare, not only greatly reduce production difficulty, the most more adapt to the requirement in wash cycles loop, optimal clean shape can be reached
State.The valve member that controls in mould dress valve block assembly is used for controlling the cleaning of different circuit and the two-way cleaning of the same circuit, with reality
Control valve member in the fluid pressure line of border is compared, and quantity greatly reduces.
It is objective for implementation that the present invention chooses certain information-based flat pad hydraulic system pipeline, checks cleaning performance with this,
The feature of certain information-based flat pad hydraulic system pipeline is: pipeline is arranged complexity, connection distance, taken up space greatly.
Specific implementation process is: first according to certain information-based flat pad hydraulic system pipeline figure, online design circulation cleaning
Wash loop (totally 8) and mould dress valve block assembly.Every loop is mainly filled valve block assembly by pipeline to be cleaned and mould and forms.Mould dress valve
Block assembly is made up of mould dress valve block and control valve latch fitting, and Fig. 2 show certain true valve block assembly and fills the former of valve block assembly with mould
Reason figure compares, it can be seen that the hydraulic valve piece that need not in true valve block assembly clean is removed by mould dress valve block assembly, and removes
Corresponding access opening, installs a small amount of control element additional simultaneously.True valve block compares with mould dress valve block, the pipe hole in mould dress valve block
According to scavenger circuit need redesign, hole series structure is greatly simplified, and not only decreases the quantity in pipeline hole, and aperture is big simultaneously
Little unanimously the most both reduced difficulty of processing, complicated pipeline and the aperture of change during wash cycles can also be reduced simultaneously
The negatively influencing that cleaning parameters is produced.
Being circulated cleaning according to online wash cycles technological process (Fig. 1), every pipeline-cleaning is complete, degree of being cleaned
Detection, examination criteria: check the solid particle should being visible by naked eyes in filter oil suction chamber (including filter element oil-feed side), simultaneously
Being carried out taking a sample to check of fluid in the upstream of return filter, contamination level of oil liquid must not exceed the 18/ of QJ2724.1 regulation
15 grades.Table 1 is the cleaning data in certain loop.
Certain circuit cycle of table 1 cleans data
Whole chassis cleans complete, inspection wash result:
Cleannes: every loop contamination level of oil liquid is all less than 18/15 grade of QJ2724.1 regulation.
Cleaning efficiency: through statistics, 8 loops, every loop scavenging period is 0.5 hour, needs altogether 4 hours, and the most every
The average scavenging period of chassis is about 6 hours, and cleaning efficiency improves 33%.
The present invention is applicable to a kind of online wash cycles of hydraulic plumbing system complicated, long, big, can reach following effect after cleaning
Really: the hydraulic oil liquid that (1) circulation cleaning washes, less than QJ2724.1, " space flight hydraulic contamination controls working solution solid to granularity
Grain class of pollution coded method " standard regulation 18/15 grade；(2) efficiency more than 20% of wash cycles is improved.
Above-described embodiment is explanation of the invention and unrestricted, the deformation made without departing from the principles of the present invention
Also within protection scope of the present invention.
Claims (3)
1. a hydraulic plumbing system online wash cycles technique, it is characterised in that follow the steps below:
The first step, first disconnects hydraulic power unit, executive component and control valve member and true valve block assembly；
Second step, designs scavenger circuit, according to hydraulic system pipeline figure to needing each the pipeline cleaned to carry out combing, and will pipe
Footpath is consistent or caliber differs less pipeline to be cleaned and is attached；By pipeline inconsistent for caliber, by from coarse to fine suitable
Sequence connects；
4th step, designs the passage in mould dress valve block assembly according to the scavenger circuit of the 3rd step；
5th step, is connected to loop to be cleaned, by pipeline to be cleaned along circulation by the mould dress valve block assembly of design in the 4th step
Clean direction, be linked in sequence by from coarse to fine；
6th step, is that the pipeline to be cleaned in the 5th step connects cleaning oil sources；
7th step, cleans each loop to be cleaned one by one according to the wash cycles loop of design；
8th step, inspection cleaning performance is the most qualified, qualified, changes the true valve block assembly of cleaning and controls valve member, completing
Cleaning, the defective cleaning process then repeating the 7th step, until cleaning performance is qualified.
A kind of hydraulic plumbing system online wash cycles technique the most according to claim 1, it is characterised in that: described the
The pipeline to be cleaned that in two steps, caliber is consistent or caliber difference is less uses series system to connect into loop.
A kind of hydraulic plumbing system online wash cycles technique the most according to claim 1, it is characterised in that: described the
The pipeline to be cleaned that in two steps, caliber is consistent or caliber difference is less uses mode in parallel to connect into loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610367577.5A CN105964632B (en) | 2016-05-30 | 2016-05-30 | A kind of online wash cycles technique of hydraulic plumbing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610367577.5A CN105964632B (en) | 2016-05-30 | 2016-05-30 | A kind of online wash cycles technique of hydraulic plumbing system |
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| Publication Number | Publication Date |
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| CN105964632A true CN105964632A (en) | 2016-09-28 |
| CN105964632B CN105964632B (en) | 2018-05-11 |
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| CN201610367577.5A Active CN105964632B (en) | 2016-05-30 | 2016-05-30 | A kind of online wash cycles technique of hydraulic plumbing system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237124A (en) * | 2016-12-26 | 2018-07-03 | 中冶天工集团天津有限公司 | A kind of hydraulic system sectional flushing system |
| CN108816974A (en) * | 2018-09-03 | 2018-11-16 | 张家港韶液液压技术有限公司 | The hydraulic system of scouring stage |
| CN109604266A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | An a kind of ship outfield slim pipe diameter pipeline throwing oil cleaning point oil component |
| CN111365328A (en) * | 2020-04-20 | 2020-07-03 | 株洲特装智能装备有限公司 | Hydraulic oil circuit system |
| CN111473185A (en) * | 2020-04-25 | 2020-07-31 | 重庆三联管道设备有限公司 | Cleaning method of process pipeline |
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| EP0397132A2 (en) * | 1989-05-10 | 1990-11-14 | BGV GESELLSCHAFT FÜR VERFAHRENSTECHNIK mbH | Device for removing components or material projecting from the interior space of pipes |
| CN104907294A (en) * | 2015-04-30 | 2015-09-16 | 天津二十冶建设有限公司 | Closed type recycle washing device for pipeline of hydraulic system |
| CN105057291A (en) * | 2015-07-17 | 2015-11-18 | 山推工程机械股份有限公司 | Pipeline cleaning system |
| CN204974637U (en) * | 2015-08-04 | 2016-01-20 | 郑州恒锦峰工贸有限公司 | Hydraulic pipeline cleaning device |
| CN205236566U (en) * | 2015-12-21 | 2016-05-18 | 双威液压工业（芜湖）有限公司 | A belt cleaning device for hydraulic system pipe |
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| EP0397132A2 (en) * | 1989-05-10 | 1990-11-14 | BGV GESELLSCHAFT FÜR VERFAHRENSTECHNIK mbH | Device for removing components or material projecting from the interior space of pipes |
| CN104907294A (en) * | 2015-04-30 | 2015-09-16 | 天津二十冶建设有限公司 | Closed type recycle washing device for pipeline of hydraulic system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237124A (en) * | 2016-12-26 | 2018-07-03 | 中冶天工集团天津有限公司 | A kind of hydraulic system sectional flushing system |
| CN108816974A (en) * | 2018-09-03 | 2018-11-16 | 张家港韶液液压技术有限公司 | The hydraulic system of scouring stage |
| CN108816974B (en) * | 2018-09-03 | 2023-12-29 | 张家港韶液液压技术有限公司 | Hydraulic system of flushing station |
| CN109604266A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | An a kind of ship outfield slim pipe diameter pipeline throwing oil cleaning point oil component |
| CN111365328A (en) * | 2020-04-20 | 2020-07-03 | 株洲特装智能装备有限公司 | Hydraulic oil circuit system |
| CN111473185A (en) * | 2020-04-25 | 2020-07-31 | 重庆三联管道设备有限公司 | Cleaning method of process pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105964632B (en) | 2018-05-11 |
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Address after: No. 6 mailbox of Changzhi City, Shanxi Province, Shanxi Co-patentee after: China Academy of Launch Vehicle Technology Patentee after: Shanxi spaceflight Qinghua Equipment Co., Ltd. Address before: No. 6 mailbox of Changzhi City, Shanxi Province, Shanxi Co-patentee before: China Academy of Launch Vehicle Technology Patentee before: Qinghua Machinery Plant, Changzhi |
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