CN110067929A - A kind of string washing method of high viscosity lube pipe - Google Patents
A kind of string washing method of high viscosity lube pipe Download PDFInfo
- Publication number
- CN110067929A CN110067929A CN201910360174.1A CN201910360174A CN110067929A CN 110067929 A CN110067929 A CN 110067929A CN 201910360174 A CN201910360174 A CN 201910360174A CN 110067929 A CN110067929 A CN 110067929A
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- CN
- China
- Prior art keywords
- string
- lubricating oil
- pipeline
- low viscosity
- high viscosity
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N33/00—Mechanical arrangements for cleaning lubricating equipment; Special racks or the like for use in draining lubricant from machine parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N33/00—Mechanical arrangements for cleaning lubricating equipment; Special racks or the like for use in draining lubricant from machine parts
- F16N2033/005—Flushing
Abstract
The present invention relates to the strings of high viscosity oil pipe to wash technical field, discloses a kind of string washing method of high viscosity lube pipe, comprising steps of S1, select low viscosity lubricating oil as string oil medium to pipeline carry out string wash；S2, the low viscosity lubricating oil after washing that will go here and there are discharged；The high viscosity lubricating oil that S3, the selection pipeline use carries out string to the pipeline and washes.The string washing method select first low viscosity lubricating oil as string oil medium to pipeline carry out string wash, liquid in pipeline is set to generate disorder, pipeline inner wall is effectively washed away, low viscosity lubricating oil is discharged after washing for string, the high viscosity lubricating oil used again by pipeline carries out string to pipeline and washes, string is washed the low viscosity lubricating oil used to rinse well, to achieve the purpose that high viscosity lubricant oil is washed, the Reynolds number and line clear degree for washing pipeline string reach requirement, it is washed to complete the string of pipeline, temperature is washed without increasing the string that string washes the rate of discharge of equipment or raising string washes lubricating oil, avoid the generation of security risk.
Description
Technical field
Technical field is washed the present invention relates to the string of high viscosity oil pipe more particularly to a kind of string of high viscosity lube pipe is washed
Method.
Background technique
During ship or machinery industry wash the string of high viscosity lubricating oil inside pipe wall, typically directly using circulation in pipeline
Lubricating oil to system pipeline carry out string wash.String oil crosses range request medium reynolds number Re >=3000 or more or according to reality under normal conditions
Border technical requirements, until tube interior reaches cleannes requirement.
When string washes highly viscous lube pipe, to reach the Reynolds number and cleannes that string is washed, two ways is generallyd use:
One, more exchange device increases string and washes equipment export flow, although can achieve the requirement of the string Reynolds number washed and cleannes,
Operate relatively complicated, higher cost；Two, the viscosity of lubricating oil is reduced by increasing the temperature of lubricating oil, although can achieve Reynolds number
With the requirement of cleannes, but with the presence of lubricating oil when temperature raising may cause, lubricating oil is rotten and construction site high temperature safe is hidden
Suffer from, is unable to reach string and washes requirement.
Therefore, need to design a kind of string washing method of high viscosity lube pipe, equipment that no replacement is required increases string and wash equipment
Mouth flow；And without the temperature gone here and there and washed is increased, avoid lubricating oil rotten and the generation of security risk.
Summary of the invention
It is an object of the invention to propose a kind of string washing method of high viscosity lube pipe, by increase low viscosity lubricating oil into
Row string is washed, and is effectively washed away to pipeline, is carried out string to pipeline by high viscosity lubricating oil and is washed, can wash low viscosity lubricant oil dry
Only, achieve the purpose that high viscosity lubricant oil is washed, avoid increasing going here and there to wash equipment export flow or increase string and wash temperature.
To achieve this purpose, the present invention adopts the following technical scheme:
The present invention provides a kind of string washing method of high viscosity lube pipe, comprising steps of
S1, select low viscosity lubricating oil as string oil medium to pipeline carry out string wash；
S2, the low viscosity lubricating oil after washing that will go here and there are discharged；
The high viscosity lubricating oil that S3, the selection pipeline use carries out string to the pipeline and washes.
The string washing method of the high viscosity lube pipe selects low viscosity lubricating oil to go here and there as string oil medium to pipeline first
It washes, so that liquid in pipeline is generated disorder, pipeline inner wall is effectively washed away, low viscosity lubricating oil is discharged after washing for string,
The high viscosity lubricating oil used again by pipeline carries out string to pipeline and washes, and string is washed the low viscosity lubricating oil used and is rinsed well, thus
Achieve the purpose that high viscosity lubricant oil is washed, the Reynolds number and line clear degree for washing pipeline string reach requirement, to complete pipeline
String wash, wash the rate of discharge of equipment or improve string and wash the string of lubricating oil without increasing string and wash temperature, avoid the hair of security risk
It is raw.
A kind of preferred embodiment of string washing method as above-mentioned high viscosity lube pipe, in step S1, according to desired thunder
Promise number selects the low viscosity lubricating oil.Low viscosity lubricating oil is selected according to desired Reynolds number, is made after being washed by low viscosity lubricant oil
Pipeline meet the requirements.
A kind of preferred embodiment of string washing method as above-mentioned high viscosity lube pipe, according to the viscous of the low viscosity lubricating oil
The internal diameter of degree and the pipeline calculates the minimum flow that string washes the low viscosity lubricating oil required for the pipeline.
A kind of preferred embodiment of string washing method as above-mentioned high viscosity lube pipe, selects institute according to the minimum flow
The string for stating low viscosity lubricating oil washes equipment, the string of the low viscosity lubricating oil wash equipment by the low viscosity lubricating oil to the pipeline into
Row string is washed.Equipment is washed according to minimum flow selection string, equipment is washed by string, pipeline is gone here and there to pipeline offer low viscosity lubricating oil
It washes.
A kind of preferred embodiment of string washing method as above-mentioned high viscosity lube pipe, is selecting the low viscosity lubricating oil
When string washes equipment, if washing equipment without suitable string, the viscosity of the low viscosity lubricating oil is reduced, selects to need further according to the viscosity
The string for the low viscosity lubricating oil wanted washes equipment.By reducing the viscosity of low viscosity lubricating oil, then according to the viscosity weight after reduction
New selection string washes equipment, can make full use of existing string and washes equipment and carry out string to pipeline and washes.
A kind of preferred embodiment of string washing method as above-mentioned high viscosity lube pipe, is passing through the low viscosity lubricant oil
During washing, when the cleannes of the low viscosity lubricating oil reach requirement, then stop the low viscosity lubricating oil to the pipeline
String is washed.
A kind of preferred embodiment of string washing method as above-mentioned high viscosity lube pipe, in step S2, when the low viscosity
After lubricating oil washes the string of the pipeline, the low viscosity lubricating oil is extracted out.After low viscosity lubricant oil is washed, by lubricating oil
Extraction, in order to the progress of subsequent step.
A kind of preferred embodiment of string washing method as above-mentioned high viscosity lube pipe, when the low viscosity lubricating oil is extracted out
Afterwards, the low viscosity lubricating oil remaining in the pipeline is blown out by nitrogen.By nitrogen by low viscosity remaining in pipeline
Lubricating oil blowout, avoids the residual of low viscosity lubricating oil.
A kind of preferred embodiment of string washing method as above-mentioned high viscosity lube pipe, in step S3, by described high viscous
Degree lubricating oil is greater than 4h to the time that the pipeline string is washed.Pipeline string is washed greater than 4h by high viscosity lubricating oil, it can will be in pipeline
Remaining low viscosity lubricating oil is rinsed, and the high viscosity lubricating oil gone here and there in the pipeline after washing can be made to meet the requirements.
Beneficial effects of the present invention:
The string washing method of high viscosity lube pipe proposed by the present invention selects low viscosity lubricating oil as string oil medium pair first
Pipeline carries out string and washes, and so that liquid in pipeline is generated disorder, is effectively washed away to pipeline inner wall, goes here and there low viscosity after washing
Lubricating oil is discharged, then the high viscosity lubricating oil used by pipeline carries out string to pipeline and washes, and string is washed to the low viscosity lubricating oil used and is rinsed
Completely, to achieve the purpose that high viscosity lubricant oil is washed, the Reynolds number and line clear degree for washing pipeline string reach requirement, thus
The string for completing pipeline is washed, and is washed temperature without increasing the string that string washes the rate of discharge of equipment or raising string washes lubricating oil, is avoided safety
The generation of hidden danger.
Detailed description of the invention
Fig. 1 is the flow chart of the string washing method for the high viscosity lube pipe that embodiment of the present invention one provides；
Fig. 2 is the flow chart of the string washing method for the high viscosity lube pipe that embodiment of the present invention two provides.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Embodiment one:
Present embodiment provides a kind of string washing method of high viscosity lube pipe, applies viscous to height in ship or machinery industry
During the string of degree lubricating oil inside pipe wall is washed, specifically it is widely used in highly viscous biological lubricating oil, grease type lube pipe rushes
It washes.Fig. 1 is the flow chart of the string washing method for the high viscosity lube pipe that embodiment of the present invention one provides, as shown in Figure 1, including
Following steps:
S11, select low viscosity lubricating oil as string oil medium to pipeline carry out string wash.
S12, the low viscosity lubricating oil after washing that will go here and there are discharged.
The high viscosity lubricating oil that S13, selection pipeline use carries out string to pipeline and washes.
The string washing method of the high viscosity lube pipe washes step by changing string, increases low viscosity lubricant oil and wash journey, make
Liquid in pipeline generates disorder, is effectively washed away to pipeline inner wall, reaches corresponding string and washes technical requirements, string washes end
Low viscosity lubricating oil is discharged afterwards, then the high viscosity lubricating oil used by pipeline carries out string to pipeline and washes, string is washed use it is low viscous
Degree lubricating oil is rinsed well, to achieve the purpose that high viscosity lubricant oil is washed, the Reynolds number and line clear degree for washing pipeline string reach
To requirement, so that the string for completing pipeline is washed, temperature is washed without increasing the string that string washes the rate of discharge of equipment or raising string washes lubricating oil
Degree, avoids the generation of security risk.
Embodiment two:
Present embodiment also provides a kind of string washing method of high viscosity lube pipe, is made on the basis of embodiment one
Improvement out, Fig. 2 is the flow chart of the string washing method for the high viscosity lube pipe that embodiment of the present invention two provides, such as Fig. 2 institute
Show, comprising the following steps:
S20, low viscosity lubricating oil is selected according to desired Reynolds number.
General custom requirements reynolds number Re >=3000 need reynolds number Re to meet other requirements if there is other requirements.
According to the custom requirements of Reynolds number, the lubricating oil of 320cSt can choose, the lubricating oil of 68cSt can also be selected as string oil medium.
S21, low viscosity lubricating oil required for string washes pipeline is calculated according to the internal diameter of the viscosity of low viscosity lubricating oil and pipeline
Minimum flow.
Specifically, Q=W × D
W=(Re/1000)) × (ν/d)
D=π × (d2/4)
In formula:
The flow value of liquid during Q-string is washed, unit L/min；
W-liquid flow speed value, unit m/s；
D-pipe section product, unit mm2；
Re-Reynolds number；
ν-liquid viscosity number, unit cSt；
D-pipeline internal diameter, unit mm.The minimum flow that string is washed is obtained according to the formula.
S22, the string of low viscosity lubricating oil is selected to wash equipment according to minimum flow.
Equipment is washed according to minimum flow selection string, equipment is washed by string, pipeline is gone here and there to pipeline offer low viscosity lubricating oil
It washes.When to needing to heat during flushing of pipeline, then need to wash temperature selection low viscosity lubricating oil according to minimum flow and string
String washes equipment.
When selecting the string of low viscosity lubricating oil to wash equipment, if washing equipment without suitable string, the viscous of low viscosity lubricating oil is reduced
Degree washes equipment further according to the string for the low viscosity lubricating oil that viscosity selection needs.By reducing the viscosity of low viscosity lubricating oil, then basis
Viscosity after reduction reselects string and washes equipment, can make full use of it is existing string wash equipment to pipeline carry out string wash.
S23, low viscosity lubricating oil string wash equipment by low viscosity lubricating oil to pipeline carry out string wash.
The string of low viscosity lubricating oil is washed equipment to be connected on pipeline, which washes equipment and carry out pipeline by low viscosity lubricating oil
String is washed, during string is washed, low viscosity lubricating oil in pipeline liquid and pipeline inner wall effectively washed away, with cleaning channels
Inner wall reaches requirement.
S24, judge whether the cleannes of low viscosity lubricating oil reach requirement.
The oil sample of low viscosity lubricating oil washed by acquiring string, and oil sample is detected, judge oil sample granular size and
Whether quantity meets the requirements, if satisfied, then illustrating that the cleannes of low viscosity lubricating oil reach requirement.
S25, the string of pipeline is washed if so, stopping low viscosity lubricating oil, and enters S26.
If it is not, then return step S23.
S26, low viscosity lubricating oil is extracted out.
After string of the low viscosity lubricating oil to pipeline is washed, low viscosity lubricating oil is extracted out, until no lubricating oil is extracted out, and
Cleaning string washes the Oil Tank of equipment.
S27, when no low viscosity lubricating oil extraction after, low viscosity lubricating oil remaining in pipeline is blown out by nitrogen.Pass through nitrogen
Gas blows out low viscosity lubricating oil remaining in pipeline, avoids the residual of low viscosity lubricating oil, blows out low viscosity lubricating oil by nitrogen,
During cleaning, nitrogen will not be reacted with the liquid in pipeline.
During blowing out residual low viscosity lubricating oil by nitrogen, pays attention to the clean protection to pipeline, prevent dust
It enters and pollutes pipeline in pipeline, specific safeguard measure belongs to the prior art, and details are not described herein.
The high viscosity lubricating oil that S28, selection pipeline use carries out string to pipeline and washes.
After low viscosity lubricant oil is washed, string is carried out to pipeline by high viscosity lubricating oil and is washed.The high viscosity lubricating oil is pipe
The lubricating oil that road uses when working normally.
S29, when the cleannes of high viscosity lubricating oil reach requirement, then stop high viscosity lubricating oil and the string of pipeline washed.
During being washed by high viscosity lubricant oil, when the cleannes of high viscosity lubricating oil reach requirement, then stop high viscous
Degree lubricating oil washes the string of pipeline.Specifically, the oil sample for the high viscosity lubricating oil that string is washed is detected, judges of high viscosity lubricating oil
Whether grain size and number meets the requirements, if meeting the requirements, illustrates that the cleannes of high viscosity lubricating oil reach requirement.
After the cleannes of high viscosity lubricating oil reach requirement, high viscosity lubricant oil washes end, the high viscosity lubricating oil that string is washed
Discharge, restores the connection of pipeline, in case subsequent use.
Preferably, 4h is greater than to the time that pipeline string is washed by high viscosity lubricating oil, it can be by low viscosity remaining in pipeline
Lubricating oil is rinsed, and the high viscosity lubricating oil gone here and there in the pipeline after washing can be made to meet the requirements.Specific high viscosity lubricating oil
String is washed the time and is designed according to demand.
The string washing method of the high viscosity lube pipe, the Reynolds number for washing pipeline string and line clear degree reach requirement, from
And the string for completing pipeline is washed, and washes temperature without increasing the string that string washes the rate of discharge of equipment or raising string washes lubricating oil, avoids pacifying
The generation of full hidden danger.
Note that above are only presently preferred embodiments of the present invention.It will be appreciated by those skilled in the art that the present invention is not limited to here
Specific embodiment, be able to carry out for a person skilled in the art it is various it is apparent variation, readjust and substitute without
It is detached from protection scope of the present invention.Therefore, although the present invention has been described in more detail through the above examples,
The present invention is not limited to the above embodiments only, can also include that more other are equivalent without departing from the inventive concept
Embodiment, and the scope of the invention is determined by the scope of the appended claims.
Claims (9)
1. a kind of string washing method of high viscosity lube pipe, which is characterized in that comprising steps of
S1, select low viscosity lubricating oil as string oil medium to pipeline carry out string wash；
S2, the low viscosity lubricating oil after washing that will go here and there are discharged；
The high viscosity lubricating oil that S3, the selection pipeline use carries out string to the pipeline and washes.
2. the string washing method of high viscosity lube pipe according to claim 1, which is characterized in that in step S1, according to wanting
The Reynolds number asked selects the low viscosity lubricating oil.
3. the string washing method of high viscosity lube pipe according to claim 2, which is characterized in that sliding according to the low viscosity
The viscosity of oil and the internal diameter of the pipeline calculate the minimum flow that string washes the low viscosity lubricating oil required for the pipeline.
4. the string washing method of high viscosity lube pipe according to claim 3, which is characterized in that according to the minimum flow
The string of the low viscosity lubricating oil is selected to wash equipment, the string of the low viscosity lubricating oil washes equipment by the low viscosity lubricating oil to described
Pipeline carries out string and washes.
5. the string washing method of high viscosity lube pipe according to claim 4, which is characterized in that selecting the low viscosity
When the string of lubricating oil washes equipment, if washing equipment without suitable string, the viscosity of the low viscosity lubricating oil is reduced, further according to the viscosity
The string of the low viscosity lubricating oil needed is selected to wash equipment.
6. the string washing method of high viscosity lube pipe according to claim 1, which is characterized in that passing through the low viscosity
During lubricant oil is washed, when the cleannes of the low viscosity lubricating oil reach requirement, then stop the low viscosity lubricating oil to described
The string of pipeline is washed.
7. the string washing method of high viscosity lube pipe according to claim 1, which is characterized in that in step S2, when described
After low viscosity lubricating oil washes the string of the pipeline, the low viscosity lubricating oil is extracted out.
8. the string washing method of high viscosity lube pipe according to claim 7, which is characterized in that when the low viscosity lubricating oil
After extraction, the low viscosity lubricating oil remaining in the pipeline is blown out by nitrogen.
9. the string washing method of high viscosity lube pipe according to claim 1, which is characterized in that in step S3, pass through institute
It states high viscosity lubricating oil and 4h is greater than to the time that the pipeline string is washed.
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| CN201910360174.1A CN110067929A (en) | 2019-04-30 | 2019-04-30 | A kind of string washing method of high viscosity lube pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111420946A (en) * | 2020-03-31 | 2020-07-17 | 广船国际有限公司 | Series washing method of fuel system |
| CN114178262A (en) * | 2021-12-03 | 2022-03-15 | 东风汽车股份有限公司 | Device for dredging pipeline of grease lubrication system and using method |
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Application publication date: 20190730 |