CN108816971A - A kind of novel central cooling system of fresh water string washing method - Google Patents
A kind of novel central cooling system of fresh water string washing method Download PDFInfo
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- CN108816971A CN108816971A CN201810554899.XA CN201810554899A CN108816971A CN 108816971 A CN108816971 A CN 108816971A CN 201810554899 A CN201810554899 A CN 201810554899A CN 108816971 A CN108816971 A CN 108816971A
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- pipeline
- fresh water
- cleaning
- water
- string
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The present invention relates to a kind of novel central cooling system of fresh water string washing methods, string washing method is using physics and chemically combined mode, before cleaning systems, tooling pump is first passed through to be rinsed pipeline using a large amount of fresh water, proportion medicament is put into again carries out chemical cleaning using system fresh water pump, it helps to clean by constantly changing flow direction when cleaning, passivation medicament is added after cleaning discharge and is passivated pipeline, finally using being dried with nitrogen pipeline.The advantage of the invention is that：Cleaning method of the invention can shorten central cooling system of fresh water string and wash the period, improve line clear quality.
Description
Technical field
The present invention relates to ocean engineering and shipbuilding technical field, in particular to a kind of novel central cooling system of fresh water
String washing method.
Background technique
Jack up wind-powered electricity generation mounting platform is diesel power plant ship, using central cooling system, to main diesel engine and its
He cools down ancillary equipment, to guarantee that equipment safety reliably works.Central Cooling Water System is mainly by seawater, high temperature（Cylinder
Set）Fresh water, low temperature fresh water three parts composition, wherein need to carry out cooling system of fresh water string wash, check pipeline have No leakage with
And remove and manage the dirts such as interior rusty stain, impurity, equipment especially Automation Elements, such as freshwater system will be damaged by washing to be not thorough such as string
Thermostat valve be precision element, sealing surface is easy to be damaged by fine particle, causes lower water temperature inaccurate, influences equipment safety
Operation.Since working platform is big marine, once equipment failure is likely to result in heavy losses, therefore dynamic to ship is guaranteed
The cooling system of fresh water string of power equipment safety reliability service is washed and is particularly important.
As the critical system of 2000T jack up wind-powered electricity generation mounting platform, cooling system of fresh water pipeline string washes mode, and there are all
More difficult points：
1）Low temperature cooling system of fresh water main line diameter of phi 219mm, main line run through 4 propellers of bow stern between, caliber it is larger and
Pipeline is very long.The flow of base tooling pump is not achieved string and washes requirement, need to select cleaning pump；
2）Pipeline string, which is washed to exist at often system minimum point uplink elbow of pipeline, rinses dead zone, and impurity does not clean up, needs to consider
Solution；
3）The selection of chemical cleaning medicament need to refer to national technical standard, be tested according to the trade mark of manufacturer's recommended, and determine
Cleaning step and detection method avoid subsequent rustization phenomenon from generating.
For jack up wind-powered electricity generation mounting platform, it is a very important job that the string of fresh water cooled water system, which is washed,
Therefore it is badly in need of researching and developing one kind and can be shortened cooling water system string washing the period, improves the novel string washing method of line clear degree quality, it is thorough
The impurity in closed system pipeline is removed at bottom, solves equipment safety operation hidden danger.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of novel central cooling system of fresh water string washing methods, can shorten
Central cooling system of fresh water string is washed the period, and line clear quality is improved.
In order to solve the above technical problems, the technical scheme is that：A kind of novel central cooling system of fresh water string side of washing
Method, innovative point are：String washing method is to first pass through tooling before cleaning systems using physics and chemically combined mode
Pump is rinsed pipeline using a large amount of fresh water, then puts into proportion medicament using system fresh water pump progress chemical cleaning, when cleaning
It helps to clean by constantly changing flow direction, passivation medicament is added after cleaning discharge and is passivated pipeline, finally using being dried with nitrogen pipe
Road.
Further, specific step is as follows for string washing method：
a）Fresh water rinses：It wraps, bridges the import and export that string washes equipment by casual labour's tubulature before rinsing, first with light according to rinsing
Water flushing pipeline clears up sundries and other tampers in pipeline；
b）Chemical cleaning：Dosages distribution is carried out according to power system capacity, and wash cycles are carried out to pipeline using the medicament prepared,
Chemical agent GF-190 circulation immersion is added in expansion tank to qualification is detected, is added and neutralizes medicament sodium bicarbonate, cycle balance
It is discharged after continuing cleaning to pipeline afterwards；
c）Pipeline passivation：According to the passivation medicament TS-300P for putting into regulated proportion in system water capacity expansion tank, activation system
Pump circulation 30-60 minutes, termination of pumping was impregnated, and was released solution after being cooled to room temperature, and rinsed with cleaning fresh water；
d）It is dried with nitrogen：Pipeline is purged to the water stain-free of inside using nitrogen, casual labour's tubulature is removed and carries out pipeline reset.
It further,, need to be using a large amount of fresh water flushing pipelines until pipe when using fresh water flushing pipeline in the step a
The liquid of the water outlet on road is limpid, and ensures pipeline No leakage.
Further, in the step b, before carrying out chemical cleaning, steel wire first is installed additional before systems pumps import and export flange
Strainer, and forward and reverse flushing frock module is connected, Steel net flange bolt fastening, in the removable flange of system pipeline minimum point
Place's installation conical filter net；When carrying out chemical cleaning, 80% circulation of system water is first added, then launches the medicine calculated
Agent, supplement clear water is to defined system water is reached, and then, activation system pumps operating 15 minutes, guarantees that string is washed pipeline and is full of clearly
Washing lotion, stopping working impregnates cleaning solution in pipeline 30 minutes, checks Steel net and conical filter net, cleaning attachment for the first time
Impurity on surface clears up strainer, while sampling and testing pH value long every 2 hours or more later again, as pH value occurs obviously
It increases, suitable cleaning agent need to be supplemented, after wash cycles 6 hours, reversely followed using forward and reverse flushing frock module
Ring is rinsed, is impregnated；Continue using circulation-immersion-circulation-immersion cleaning way, until the pipeline overhaul of system highest point
Inner wall is for example new without rusty stain, judges that derusting is completed；In expansion tank be added in and medicament, activation system pump circulation is uniform, detection
Oral fluid pH value is 7-8 out, is discharged after continuing detergent line 30 minutes.
Further, in the step c, after the passivation medicament of regulated proportion is put into expansion tank, activation system pump
Circulation 30-60 minutes, stops working, and is dipped to passivating dip in systems after pipeline is cooled to room temperature, emissions passivation solution,
And rinsed with cleaning fresh water, until outlet fresh water is limpid, pipeline minimum point is dismantled, it is water stain to remove residual.
Further, in the step d, when blowing washing pipe road using nitrogen, after repeatedly blowing to pipeline,
Line end is blocked with calico, until stopping blowing, then resetting pipeline, really without obvious attachment drop or impurity on calico
Recognize the complete rear addition system fresh water of connection.
The advantage of the invention is that：Cleaning method of the invention has chemical cleaning safety chamber, pipeline usability strong, clear
Wash efficient, economic advantage.
Chemical cleaning safety：In Process of Chemical Cleaning, weakly acidic solution is only chemically reacted with oxide, to pipeline
Iron crystal itself does not have any damage, highly-safe.
Pipeline usability is strong：After passivation medicament is added in chemical cleaning, chemical solution can be smooth in one layer of pipeline inner wall formation
Protective film, increase the usability of pipe-line system, extend the service life of pipeline.
High efficiency：Fresh water rinses, nitrogen purging belongs to physical method, and chemical cleaning belongs to chemical reaction, reasonably by object
Clear it is clean combined with chemically cleaning, and utilize systems pumps, pass through change flow direction cleaning and system minimum point install taper mistake
Strainer improves string and washes efficiency.
Economy：Using novel string washing method, compares tradition string and wash, cleaning cycle shortens 120 hours, improved efficiency
34%.Delivery for project, has great significance.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the division schematic diagram that packet is rinsed in the present invention.
Fig. 2 is that high temperature water string of the present invention washes tooling collector production figure.
Fig. 3 is minimum point uplink pipeline-cleaning dead zone schematic diagram in the present invention.
Specific embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among the embodiment described range.
Novel central cooling system of fresh water string washing method of the invention is implemented by following step：
The first step, fresh water rinse：As shown in Figure 1, wrapping according to rinsing, the import and export that string washes equipment is passed through into casual labour before rinsing
Tubulature bridging clears up sundries and other tampers in pipeline as shown in Fig. 2, first using fresh water flushing pipeline.
, need to be limpid up to the liquid of the water outlet of pipeline using a large amount of fresh water flushing pipelines when using fresh water flushing pipeline,
And ensure pipeline No leakage.
Second step, chemical cleaning：Dosages distribution is carried out according to power system capacity, and pipeline is followed using the medicament prepared
Ring cleaning is added chemical agent GF-190 circulation immersion to qualification is detected in expansion tank, is added and neutralizes medicament sodium bicarbonate,
It is discharged after continuing cleaning to pipeline after cycle balance.
Before carrying out chemical cleaning, Steel net first is installed additional before systems pumps import and export flange, and connect forward and reverse flushing
Frock module, Steel net flange bolt fastening install conical filter net in the removable flange of system pipeline minimum point.
When carrying out chemical cleaning, 80% circulation of system water is first added, then launches the medicament calculated, supplements clear water
To defined system water is reached, then, activation system pump operating 15 minutes, guarantees that string washes pipeline and is full of cleaning solution, stop work
Work impregnates cleaning solution in pipeline 30 minutes, checks Steel net and conical filter net for the first time, and cleaning is attached to the miscellaneous of surface
Matter clears up strainer, while sampling and testing pH value long every 2 hours or more later again, if apparent increase occurs in pH value, needs to supplement
Suitable cleaning agent after wash cycles 6 hours, carries out recycled back flushing using forward and reverse flushing frock module, impregnates,
As shown in figure 3, continuing using circulation-immersion-circulation-immersion cleaning way, until in the pipeline overhaul of system highest point
Wall is for example new without rusty stain, judges that derusting is completed；In expansion tank be added in and medicament, activation system pump circulation is uniform, detects
Oral fluid pH value is 7-8, is discharged after continuing detergent line 30 minutes.
Third step, pipeline passivation：According to the passivation medicament TS- for putting into regulated proportion in system water capacity expansion tank
300P, activation system pump circulation 30-60 minutes, termination of pumping was impregnated, and was released solution after being cooled to room temperature, and given with cleaning fresh water
It rinses.
After putting into the passivation medicament of regulated proportion in expansion tank, activation system pump circulation 30-60 minutes, stop work
Make, is dipped to passivating dip in systems after pipeline is cooled to room temperature, emissions passivation solution, and rushed with cleaning fresh water
It washes, until outlet fresh water is limpid, dismantles pipeline minimum point, it is water stain to remove residual.
4th step, is dried with nitrogen：Pipeline is purged to the water stain-free of inside using nitrogen, casual labour's tubulature is removed and carries out pipe
Road resets.
When blowing washing pipe road using nitrogen, after repeatedly blowing to pipeline, blocked in line end with calico, directly
Without obvious attachment drop or impurity on to calico, stop blowing, then reset pipeline, it is light that system is added after confirmation connection is complete
Water.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of novel central cooling system of fresh water string washing method, it is characterised in that：String washing method is using physics and chemistry
In conjunction with mode first pass through tooling pump before cleaning systems and pipeline be rinsed using a large amount of fresh water, then put into proportion medicament
Chemical cleaning is carried out using system fresh water pump, when cleaning helps to clean by constantly changing flow direction, is added after cleaning discharge blunt
Chemical drug agent is passivated pipeline, finally using being dried with nitrogen pipeline.
2. novel central cooling system of fresh water string washing method according to claim 1, it is characterised in that：Washing method of going here and there is specific
Steps are as follows：
a）Fresh water rinses：It wraps, bridges the import and export that string washes equipment by casual labour's tubulature before rinsing, first with light according to rinsing
Water flushing pipeline clears up sundries and other tampers in pipeline；
b）Chemical cleaning：Dosages distribution is carried out according to power system capacity, and wash cycles are carried out to pipeline using the medicament prepared,
Chemical agent GF-190 circulation immersion is added in expansion tank to qualification is detected, is added and neutralizes medicament sodium bicarbonate, cycle balance
It is discharged after continuing cleaning to pipeline afterwards；
c）Pipeline passivation：According to the passivation medicament TS-300P for putting into regulated proportion in system water capacity expansion tank, activation system
Pump circulation 30-60 minutes, termination of pumping was impregnated, and was released solution after being cooled to room temperature, and rinsed with cleaning fresh water；
d）It is dried with nitrogen：Pipeline is purged to the water stain-free of inside using nitrogen, casual labour's tubulature is removed and carries out pipeline reset.
3. novel central cooling system of fresh water string washing method according to claim 2, it is characterised in that：In the step a,
, need to be limpid up to the liquid of the water outlet of pipeline using a large amount of fresh water flushing pipelines when using fresh water flushing pipeline, and ensure pipe
Road No leakage.
4. novel central cooling system of fresh water string washing method according to claim 2, it is characterised in that：In the step b,
Before carrying out chemical cleaning, Steel net first is installed additional before systems pumps import and export flange, and connect forward and reverse flushing tooling mould
Block, Steel net flange bolt fastening install conical filter net in the removable flange of system pipeline minimum point；Carrying out chemistry
When cleaning, 80% circulation of system water is first added, then launches the medicament calculated, supplement clear water is to reaching defined system water
Then amount activation system pump operating 15 minutes, guarantees that string washes pipeline full of cleaning solution, stopping working makes cleaning solution in pipeline
Impregnate 30 minutes, check Steel net and conical filter net for the first time, cleaning is attached to the impurity on surface, later every 2 hours or
Strainer, while sampling and testing pH value are more cleared up again long, if apparent increase occurs in pH value, need to be supplemented suitable cleaning agent, be followed
After ring cleans 6 hours, recycled back flushing is carried out using forward and reverse flushing frock module, is impregnated；Continue using circulation-leaching
Bubble-circulation-immersion cleaning way judges that derusting is completed until pipeline overhaul inner wall in system highest point is for example new without rusty stain；
In expansion tank be added in and medicament, activation system pump circulation is uniform, detect oral fluid pH value be 7-8, continue detergent line
It is discharged after 30 minutes.
5. novel central cooling system of fresh water string washing method according to claim 2, it is characterised in that：In the step c,
After putting into the passivation medicament of regulated proportion in expansion tank, activation system pump circulation 30-60 minutes, stops working, make to be passivated
Solution is dipped in systems after pipeline is cooled to room temperature, emissions passivation solution, and is rinsed with cleaning fresh water, until outlet
Fresh water is limpid, dismantles pipeline minimum point, and it is water stain to remove residual.
6. novel central cooling system of fresh water string washing method according to claim 2, it is characterised in that：In the step d,
It when blowing washing pipe road using nitrogen, after repeatedly blowing to pipeline, is blocked in line end with calico, until on calico
Without obvious attachment drop or impurity, stop blowing, then reset pipeline, system fresh water is added after confirmation connection is complete.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810554899.XA CN108816971A (en) | 2018-06-01 | 2018-06-01 | A kind of novel central cooling system of fresh water string washing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810554899.XA CN108816971A (en) | 2018-06-01 | 2018-06-01 | A kind of novel central cooling system of fresh water string washing method |
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| CN108816971A true CN108816971A (en) | 2018-11-16 |
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| CN201810554899.XA Pending CN108816971A (en) | 2018-06-01 | 2018-06-01 | A kind of novel central cooling system of fresh water string washing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109692855A (en) * | 2018-12-28 | 2019-04-30 | 扬帆集团股份有限公司 | High temperature cooling system of fresh water string hydraulic art |
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|---|---|---|---|---|
| NO871142L (en) * | 1985-07-22 | 1987-03-19 | Goeran Sundholm | APPARATUS FOR RINSE OF A RUBBER SYSTEM. |
| CN200975381Y (en) * | 2006-12-01 | 2007-11-14 | 渤海船舶重工有限责任公司 | Ship hydraulic system swap oil unit |
| CN202238802U (en) * | 2011-09-28 | 2012-05-30 | 中国三冶集团有限公司机械安装工程公司 | Circular flushing device for hydraulic pipe |
| CN103949447A (en) * | 2014-04-22 | 2014-07-30 | 中国石油天然气第六建设公司 | Cleaning and oil flushing device and method for unit lubricating oil system pipeline |
| CN104533888A (en) * | 2014-09-28 | 2015-04-22 | 南通振华重型装备制造有限公司 | One-stop flushing and pressure testing method of hydraulic system of self-elevating drilling platform |
| CN105927621A (en) * | 2016-07-04 | 2016-09-07 | 烟台裕海流量仪表有限公司 | Full-automatic multi-pipeline serial washing and filtering device |
| CN107587151A (en) * | 2017-08-28 | 2018-01-16 | 南通振华重型装备制造有限公司 | A kind of novel hydraulic pipe high-efficiency washing method |
-
2018
- 2018-06-01 CN CN201810554899.XA patent/CN108816971A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO871142L (en) * | 1985-07-22 | 1987-03-19 | Goeran Sundholm | APPARATUS FOR RINSE OF A RUBBER SYSTEM. |
| CN200975381Y (en) * | 2006-12-01 | 2007-11-14 | 渤海船舶重工有限责任公司 | Ship hydraulic system swap oil unit |
| CN202238802U (en) * | 2011-09-28 | 2012-05-30 | 中国三冶集团有限公司机械安装工程公司 | Circular flushing device for hydraulic pipe |
| CN103949447A (en) * | 2014-04-22 | 2014-07-30 | 中国石油天然气第六建设公司 | Cleaning and oil flushing device and method for unit lubricating oil system pipeline |
| CN104533888A (en) * | 2014-09-28 | 2015-04-22 | 南通振华重型装备制造有限公司 | One-stop flushing and pressure testing method of hydraulic system of self-elevating drilling platform |
| CN105927621A (en) * | 2016-07-04 | 2016-09-07 | 烟台裕海流量仪表有限公司 | Full-automatic multi-pipeline serial washing and filtering device |
| CN107587151A (en) * | 2017-08-28 | 2018-01-16 | 南通振华重型装备制造有限公司 | A kind of novel hydraulic pipe high-efficiency washing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109692855A (en) * | 2018-12-28 | 2019-04-30 | 扬帆集团股份有限公司 | High temperature cooling system of fresh water string hydraulic art |
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| PB01 | Publication | ||
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Application publication date: 20181116 |