CN109590190A - A method of prevent pipeline from condensing - Google Patents
A method of prevent pipeline from condensing Download PDFInfo
- Publication number
- CN109590190A CN109590190A CN201811376124.4A CN201811376124A CN109590190A CN 109590190 A CN109590190 A CN 109590190A CN 201811376124 A CN201811376124 A CN 201811376124A CN 109590190 A CN109590190 A CN 109590190A
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- Prior art keywords
- pipeline
- hydrophobic
- coating
- protective layer
- hydrophobic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention provides a kind of methods for preventing pipeline from condensing, and belong to pipeline protection technical field.Hydrophobic material is coated in the surface of pipeline by the present invention, forms hydrophobic protective layer on the surface of the pipeline after drying;The contact angle of the hydrophobic material is greater than 170 °.Hydrophobic protective layer promotes hydrophobic effect, guarantees that most water droplets will not be remained in pipe surface, achieve the effect that prevent moisture condensation by increasing pipeline external surface contact angle;And the steam in water and air is smaller with pipe contact area, substantially increases the corrosion resistance of pipeline.
Description
Technical field
The present invention relates to the technical fields of pipeline protection, and in particular to a method of prevent pipeline from condensing.
Background technique
Pipeline is the common components such as water conservancy waterworks, hydraulic power project, oil transportation engineering, when conveying object in pipeline
Temperature is lower than environment temperature, and when pipeline be in wet environment, can be in a large amount of condensed waters of pipe surface appearance.Due to aqueduct
It is mostly metal product, long-term place easily gets rusty in wet condition, serious to cause pernicious safety accident;And condensed water mistake
It mostly can also make that ground, there was dampness in the air, influence staff's operating environment.
The method for preventing pipeline from condensing at present, mainly by being set in pipe surface covering and heat insulating layer or using dehumidifying
It is standby, prevent the generation of moisture condensation.Such as " Heating,Ventilating and Air Conditioning HV&AC " the 2nd interim " Taian Shandong hydroenergy storage station of volume 45 in 2015
Underground power house is moist and the analysis and treatment measures of pipeline moisture condensation " it proposes in a text, using nonflammable insulating rubber plastic to portion
Branch pipeline is kept the temperature to reduce the condensation of pipe surface appearance, but in order to achieve the effect that anti-condensation, the guarantor of covering
Warm layer is thicker, usually the constructional difficulties in 3cm or more, covering, and occupied space is larger.In addition, passing through reduction using dehumidifier
Air humidity prevents the method higher cost of moisture condensation, and installation is complicated, and can only reduce the humidity of environment, not can control temperature,
The problem of rustiness of pipeline can not fundamentally be prevented.
Although there are difficulty of construction for these methods it can be seen that having the method for preventing pipeline from condensing in the prior art
Greatly, at high cost, be difficult to the drawbacks of fundamentally solving metallic conduit problem of rustiness.
Summary of the invention
The purpose of the present invention is to provide a kind of methods for preventing pipeline from condensing, and can be prevented using method provided by the invention
Only pipeline gets rusty, and extends the service life of pipeline, and it is easy to operate, cost is relatively low, pollution-free.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of methods for preventing pipeline from condensing, comprising the following steps:
Hydrophobic material is coated in the surface of pipeline, forms hydrophobic protective layer on the surface of the pipeline after drying;It is described
The contact angle of hydrophobic material is greater than 170 °;The component of the hydrophobic material includes nano silica.
Preferably, the hydrophobic material includes: ZS-511 Nano self-cleaning coating, the western Lay ZXL-DS nano superhydrophobic painting of son
Layer, the easily net super self-cleaning material of star orSuper-hydrophobic superoleophobic nano coating.
Preferably, the temperature of the drying is room temperature;The mode of the drying is naturally dry.
Preferably, the hydrophobic protective layer with a thickness of 5~260 μm.
Preferably, the hydrophobic material is stirred before use.
Preferably, the mode of the coating includes: one or more of spraying, brushing and dip-coating.
Preferably, the pipeline include: drainage pipeline, compressed air pipe, Hydrogen Line, oxygen channel, acetylene pipeline,
Heat distribution pipeline, gas pipeline, fuel passage, hypertoxic fluid line, toxic fluid pipeline, soda acid pipeline, boiler tubing, refrigerator pipes
Road, the pure feed channel of purification or pure water pipeline.
The present invention provides a kind of methods for preventing pipeline from condensing, and hydrophobic material are coated in the surface of pipeline, after dry
Hydrophobic protective layer is formed on the surface of the pipeline;The contact angle of the hydrophobic material is greater than 170 °.Hydrophobic protective layer passes through increasing
Big pipeline external surface contact angle, promotes hydrophobic effect, guarantees that most water droplets will not be remained in pipe surface, reaching prevents from tying
The effect of dew;And the steam in water and air is smaller with pipe contact area, substantially increases the corrosion resistance of pipeline.
Detailed description of the invention
Fig. 1 is the moisture condensation situation comparison diagram of the embodiment of the present invention 1 and comparative example pipe surface;Wherein, left side is the present invention
The moisture condensation situation of 1 pipe surface of embodiment, right side are the moisture condensation situation of comparative example pipe surface.
Specific embodiment
The present invention provides a kind of methods for preventing pipeline from condensing, comprising the following steps:
Hydrophobic material is coated in the surface of pipeline, forms hydrophobic protective layer on the surface of the pipeline after drying;It is described
The contact angle of hydrophobic material is greater than 170 °;The component of the hydrophobic material includes nano silica.
In the present invention, the hydrophobic material preferably includes: ZS-511 Nano self-cleaning coating, son it is western Lay ZXL-DS nanometer surpass
Hydrophobic coating, the easily net super self-cleaning material of star orSuper-hydrophobic superoleophobic nano coating.
In the present invention, the temperature of the drying is preferably room temperature;The mode of the drying is preferably naturally dry.This hair
The bright time to the drying does not have special restriction, and hydrophobic material of being subject to is completely dried;In the present invention, the drying
Time is preferably 0.5~2h.
In the present invention, the thickness of the hydrophobic protective layer is preferably 5~260 μm, and more preferably 10~200 μm.
In the present invention, the hydrophobic material is preferably stirred using preceding.The present invention is to the stir process
Time and rate there is no special restriction, hydrophobic material can be made to stir evenly.In the present invention, the mixing speed
Preferably 40~60r/min, more preferably 50r/min.In the present invention, in the hydrophobic material whipping process, without addition
Any auxiliary agent, reduces production cost, reduces the pollution to environment.
In the present invention, the mode of the coating preferably includes one or more of spraying, brushing and dip-coating.The present invention
To the spraying, brush and the design parameter of dip-coating does not have special restriction, using spraying well-known to those skilled in the art,
It brushes and dip coating manner.Present invention preferably employs air compression spray guns to be sprayed;The air compression spray gun distance pipe
The spray distance on road surface is preferably 10~20cm, more preferably 15cm.In an embodiment of the present invention, when the hydrophobic material
For CCP002&CCP003-When super-hydrophobic superoleophobic nano coating, it is preferred to use the mode sprayed twice will
CCP002&CCP003-Super-hydrophobic superoleophobic nano coating is coated in the surface of pipeline, the ginseng sprayed twice
Number is preferred are as follows: first sprays CCP002 priming paint, control air compression spray in pipe surface using the air compression spray gun of 1.5mm bore
Distance of the rifle apart from pipe surface is about 15cm, CCP002 priming paint with a thickness of 70~120 μm;It spontaneously dries at normal temperature
After 30min, then use instead another 1.5mm bore air compression spray gun spray CCP003 finishing coat on CCP002 priming paint, control
It is about 15cm that air, which compresses distance of the spray gun apart from pipe surface, CCP003 finishing coat with a thickness of 70~120 μm, spontaneously dry
2h。
In the present invention, the pipeline preferably includes: drainage pipeline, compressed air pipe, Hydrogen Line, oxygen channel,
Acetylene pipeline, heat distribution pipeline, gas pipeline, fuel passage, hypertoxic fluid line, toxic fluid pipeline, soda acid pipeline, boiler tube
Road, refrigeration piping, the pure feed channel of purification or pure water pipeline.
Below in conjunction with the embodiment in the present invention, the technical solution in the present invention is clearly and completely described.It is aobvious
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1
By CCP002&CCP003-Super-hydrophobic superoleophobic nano coating is stirred under conditions of 50r/min
It mixes, CCP002 priming paint is first then sprayed in pipe surface using the air compression spray gun of 1.5mm bore, control air compresses spray gun
Distance apart from pipe surface is about 15cm, CCP002 priming paint with a thickness of 70~120 μm;30min is spontaneously dried at normal temperature
Afterwards, it then uses the air compression spray gun of another 1.5mm bore instead and spray CCP003 finishing coat on CCP002 priming paint, control air pressure
Distance of the contracting spray gun apart from pipe surface is about 15cm, CCP003 finishing coat with a thickness of 70~120 μm, after spontaneously drying 2h,
The outer surface of the metallic conduit obtains the hydrophobic protective layer with a thickness of 100~200 μm.
Lead to 8 DEG C of thermostatted water in pipeline, atmospheric temperature locating for pipeline is constant at 25 DEG C, after the 1h time, observation tube
The moisture condensation situation on road surface, state is as shown in Fig. 1 left part.
Embodiment 2
ZS-511 Nano self-cleaning coating is stirred under normal temperature conditions, mixing speed 50r/min, then using painting
Mode is smeared coated on metallic conduit outer surface, with a thickness of 15~20 μm, after spontaneously drying for 24 hours at normal temperature, in the metal tube
The outer surface in road obtains the hydrophobic protective layer with a thickness of 8~10 μm.
The pipeline of hydrophobic protective layer covering is tested for the property, pipe surface anti-condensation effect is similar to Example 1.
Embodiment 3
The easy net super self-cleaning material of star is stirred under normal temperature conditions, mixing speed 50r/min, then using smearing
Mode is coated on metallic conduit outer surface, with a thickness of 10~20 μm, after spontaneously drying for 24 hours at normal temperature, in the metallic conduit
Outer surface obtain the hydrophobic protective layer with a thickness of 8~15 μm.
The pipeline of hydrophobic protective layer covering is tested for the property, pipe surface anti-condensation effect is similar to Example 1.
Comparative example
Pipeline external surface does not make any coating processing, and 8 DEG C of thermostatted water is led in pipeline, and atmospheric temperature locating for pipeline is permanent
25 DEG C are scheduled on, after the 1h time, observes the moisture condensation situation of pipe surface, state is as shown in Figure 1 on the right portion.
As seen from Figure 1, right side does not spray the pipe surface of hydrophobic material, forms a large amount of condensed water, and model
It encloses extensively, quantity is more.And after left side spraying hydrophobic material, the only a little condensation scattered distribution of droplet in surface, quantity is few, explanation
It can effectively prevent pipe surface from generating condensed water using anti-condensation method provided by the present application, play the purpose of anti-condensation.
The metallic conduit for the covering hydrophobic protective layer that Examples 1 to 3 obtains is tested for the property, as shown in table 1:
The metallic conduit performance of 1 Examples 1 to 3 of table covering hydrophobic protective layer
As shown in Table 1, the metallic conduit of the covering hydrophobic protective layer obtained using method provided by the invention has excellent
Abrasion resistance and corrosion resistance, illustrate effectively pipe surface can either be prevented to generate using anti-condensation method provided by the present application
Condensed water, plays the purpose of anti-condensation, but also can be improved the abrasion resistance and corrosion resistance of metallic conduit, extends pipeline
Service life, and it is easy to operate, cost is relatively low, pollution-free.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of method for preventing pipeline from condensing, comprising the following steps:
Hydrophobic material is coated in the surface of pipeline, forms hydrophobic protective layer on the surface of the pipeline after drying;It is described hydrophobic
The contact angle of material is greater than 170 °;The component of the hydrophobic material includes nano silica.
2. the method according to claim 1, wherein the hydrophobic material include: ZS-511 Nano self-cleaning coating,
The western Lay ZXL-DS nano superhydrophobic coating of son, the easily net super self-cleaning material of star orSuper-hydrophobic superoleophobic nano coating.
3. the method according to claim 1, wherein the temperature of the drying is room temperature;The mode of the drying
For naturally dry.
4. the method according to claim 1, wherein the hydrophobic protective layer with a thickness of 5~260 μm.
5. method according to claim 1 or 2, which is characterized in that the hydrophobic material is stirred before use.
6. the method according to claim 1, wherein the mode of the coating includes: in spraying, brushing and dip-coating
One or more.
7. the method according to claim 1, wherein the pipeline include: drainage pipeline, compressed air pipe,
Hydrogen Line, oxygen channel, acetylene pipeline, heat distribution pipeline, gas pipeline, fuel passage, hypertoxic fluid line, toxic fluid pipe
Road, soda acid pipeline, boiler tubing, refrigeration piping, the pure feed channel of purification or pure water pipeline.
Priority Applications (1)
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CN201811376124.4A CN109590190A (en) | 2018-11-19 | 2018-11-19 | A method of prevent pipeline from condensing |
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CN201811376124.4A CN109590190A (en) | 2018-11-19 | 2018-11-19 | A method of prevent pipeline from condensing |
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Publication Number | Publication Date |
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CN109590190A true CN109590190A (en) | 2019-04-09 |
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ID=65958752
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CN201811376124.4A Pending CN109590190A (en) | 2018-11-19 | 2018-11-19 | A method of prevent pipeline from condensing |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112780815A (en) * | 2019-11-07 | 2021-05-11 | 青岛海尔特种电冰柜有限公司 | Multifunctional air pressure balance valve and refrigerating device using same |
CN115651437A (en) * | 2022-11-04 | 2023-01-31 | 中国长江三峡集团有限公司 | Super-hydrophobic material, preparation method thereof and application thereof in drainage pipeline |
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CN1167131A (en) * | 1996-02-01 | 1997-12-10 | 松下电器产业株式会社 | Water-repeellent covered film and mfg. method and device and water-repellent paint composition |
CN1239128A (en) * | 1998-04-27 | 1999-12-22 | 松下电器产业株式会社 | Water repelling tunicle, its mfg. process and water repelling paint compsn. |
CN103725195A (en) * | 2013-12-26 | 2014-04-16 | 东北石油大学 | Novel super-amphiphobic pipeline coating and preparation method thereof |
CN105903662A (en) * | 2016-04-13 | 2016-08-31 | 许继集团有限公司 | Material surface modification method, self-cleaning material, fan blade surface modification method and self-cleaning fan blade |
CN107474591A (en) * | 2017-06-26 | 2017-12-15 | 江阴市天邦涂料股份有限公司 | Super-hydrophobic nano coating and preparation method thereof |
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2018
- 2018-11-19 CN CN201811376124.4A patent/CN109590190A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1167131A (en) * | 1996-02-01 | 1997-12-10 | 松下电器产业株式会社 | Water-repeellent covered film and mfg. method and device and water-repellent paint composition |
CN1239128A (en) * | 1998-04-27 | 1999-12-22 | 松下电器产业株式会社 | Water repelling tunicle, its mfg. process and water repelling paint compsn. |
CN103725195A (en) * | 2013-12-26 | 2014-04-16 | 东北石油大学 | Novel super-amphiphobic pipeline coating and preparation method thereof |
CN105903662A (en) * | 2016-04-13 | 2016-08-31 | 许继集团有限公司 | Material surface modification method, self-cleaning material, fan blade surface modification method and self-cleaning fan blade |
CN107474591A (en) * | 2017-06-26 | 2017-12-15 | 江阴市天邦涂料股份有限公司 | Super-hydrophobic nano coating and preparation method thereof |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112780815A (en) * | 2019-11-07 | 2021-05-11 | 青岛海尔特种电冰柜有限公司 | Multifunctional air pressure balance valve and refrigerating device using same |
CN112780815B (en) * | 2019-11-07 | 2024-02-09 | 青岛海尔特种电冰柜有限公司 | Multifunctional air pressure balance valve and refrigerating device using same |
CN115651437A (en) * | 2022-11-04 | 2023-01-31 | 中国长江三峡集团有限公司 | Super-hydrophobic material, preparation method thereof and application thereof in drainage pipeline |
CN115651437B (en) * | 2022-11-04 | 2024-05-28 | 中国长江三峡集团有限公司 | Super-hydrophobic material, preparation method thereof and application thereof in drainage pipeline |
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Application publication date: 20190409 |