CN107552365A - A kind of oil tank of transformer spraying polyurethane paint and spraying coating process - Google Patents
A kind of oil tank of transformer spraying polyurethane paint and spraying coating process Download PDFInfo
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- CN107552365A CN107552365A CN201710870968.3A CN201710870968A CN107552365A CN 107552365 A CN107552365 A CN 107552365A CN 201710870968 A CN201710870968 A CN 201710870968A CN 107552365 A CN107552365 A CN 107552365A
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- fuel tank
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- spraying
- transformer
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Abstract
The invention provides a kind of oil tank of transformer spraying polyurethane paint and spraying coating process, becomes fuel tank, combination change door-plate and surface and oil contaminant to fuel tank, combination compared with the pre- ungrease treatment of the advanced row of multi-work piece, then through degreasing and rust removal, washing, phosphatization, hot water embathe, drying process processing；A certain amount of single-component epoxy iron oxide red paint is injected into dried fuel tank using paint pump；It is successively that four sides of fuel tank are padded, until corrugated plate bottom paint flows completely out, remove the excess paint of tank bottoms, to carrying out processing of dusting outside fuel tank, in the film layer that the outer side wall surface of fuel tank is formed, 150 180 DEG C of temperature, it is incubated 40 120 minutes, then titanium-based polyurethane paint is sprayed on fuel tank madial wall, fuel tank is placed in oven after having sprayed, obtains the oil tank of transformer of spray treatment.
Description
Technical field
The present invention relates to oil tank of transformer spraying technology, especially a kind of oil tank of transformer spraying polyurethane paint and spraying
Technique.
Background technology
With the rapid development of social economy, the power industry in China is also going from strength to strength.Transformer is in power industry
Essential power equipment.The wherein fuel tank of transformer is after assembly welding, in order that the surface of transformer obtains very
Good protection, such as waterproof, oxidation is avoided, it is necessary in the fuel tank of transformer and its finish coatings of parts.
CN201510545560.X discloses a kind of lacquering technique, and in particular to environmentally friendly leaching paint technique.Environmentally friendly leaching paint technique,
Comprise the following steps a, paint preparation；B, showering：Need the oil tank of transformer of leaching paint to be placed in leaching paint pond, need the surface court of leaching paint
On, it is not required to leaching paint position downwards and covers；C, leaching paint is started, leaching paint rifle alignment oil tank of transformer first needs the surface of leaching paint to carry out
Paint spray；After oil tank of transformer whole showering, it is placed in leaching paint pond and carries out control paint, is then put in drop paint pond and continues to drip
Paint.It is uneven instant invention overcomes film thickness present in prior art, endanger the technological deficiency of environment and health, there is provided
A kind of material saving, spray uniform environmentally friendly leaching paint technique.
CN201610269298.5 discloses a kind of external coating technique of oil tank of transformer, comprises the following steps：
1）Fuel tank is become to fuel tank, combination, combination becomes door-plate and surface and oil contaminant compared with the pre- ungrease treatment of the advanced row of multi-work piece；2）Degreasing and rust removal：
Surface and oil contaminant directly enters groove compared with light industry part and carries out normal temperature processing；3）First of washing：Normal-temperature operation, workpiece under liquid left and right, it is preceding
Afterwards, swing up and down；4）Second is washed：Normal-temperature operation, workpiece under liquid left and right, it is front and rear, swing up and down；5）Phosphatization；6）Hot water
Embathe：Tank liquor temperature is not less than 70 DEG C, time 1-2 min；7）Drying；8）Coating prime lacquer：Sprayed in the inner and outer wall of casing
Priming paint；9）Application intermediate layer paint：Intermediate layer paint is sprayed in the inner and outer wall of casing；10）Coating finish：In the inner and outer wall of casing
Spray paint.The external coating technique of the oil tank of transformer of the present invention, the oil tank of transformer surface after external coating are not easy to take off
Fall, and energy waterproof antirust is not easy by corrosion.
Existing enamelling process operating procedure is more chaotic, or processing procedure is lack of standardization, causes coating surface adhesive force
Difference, peel off, fade, be perishable, phenomena such as easily getting rusty, it is difficult to ensure product quality, need it is further improve with it is perfect.And
Paint aerial distribute（During spray painting, paint vehicle is in vaporific）, on the one hand air can be polluted on the other hand can be to operation
The health of personnel influences, and the paint in distributing only has part and can be attached to tank surface.
The content of the invention
Present invention aims at solve above-mentioned technical problem present in prior art, there is provided a kind of oil tank of transformer spraying
With polyurethane paint and spraying coating process, belong to stay in grade, corrosion-resistant, anti-oxidant, the good environmental protection transformer fuel tank of heat dispersion
Spraying technology, it is characterised in that following steps：
（1）The preparation of spraying polyurethane paint
By weight, by N- butyl-N- crassitude bromide 0.1-0.5 parts, glass microballoon 0.5-2 parts, base polyurethane prepolymer for use as
100 parts, PPG 5-20 parts, sulfosuccinic acid lauryl polyoxyethylene (1~4) ether-ether disodium 0.01-0.1 parts, epoxy
Polyamide 1-5 parts, 2- (2- pyrrolidinyls) benzenethiol 1-5 parts, [(S, S)-vinyl is double (4,5,6,7- tetrahydrochysene -1- indenyls)] two
Titanium fluoride 0.01-0.1 parts are well mixed, and obtain spraying polyurethane paint.
(2）Fuel tank spraying coating process
Fuel tank is become to fuel tank, combination, combination becomes door-plate and surface and oil contaminant removes compared with the pre- ungrease treatment of the advanced row of multi-work piece, then through oil removing
Rust, washing, phosphatization, hot water embathe, drying process processing.
A certain amount of single-component epoxy iron oxide red paint is injected into dried fuel tank using paint pump；Successively by fuel tank four
Side is padded, until corrugated plate bottom paint flows completely out, the excess paint of tank bottoms is removed, to carrying out place of dusting outside fuel tank
Reason, in the film layer that the outer side wall surface of fuel tank is formed, 150-180 DEG C of temperature, 40-120 minutes are incubated, then on the inside of fuel tank
The spraying polyurethane paint is sprayed on wall, fuel tank is placed in oven after having sprayed, obtains the oil tank of transformer of spray treatment.
The oven condition is that 1-5 hours are heated in 70-100 DEG C of baking oven.
The thickness of the tank bottoms enamelled coating is >=40 μm.
The outer side wall surface of the fuel tank forms the film layer of thickness >=80 μm.
Acid washing phosphorization processing acid used is hydrochloric acid.
The product of the present invention has the advantages that：
A kind of oil tank of transformer spraying polyurethane paint of the present invention and spraying coating process, oil tank of transformer surface are not easy to take off
Fall, and energy waterproof antirust, it is not easy to by corrosion.Reduce dust pollution, so as to reduce the influence to operative employee's body, institute
Filling the paint flowed out after paint can also recycle, and reduce waste, also save cost.
Embodiment
Following instance is only to further illustrate the present invention, is not limitation the scope of protection of the invention.
Embodiment 1
（1）The preparation of spraying polyurethane paint
By weight, by 0.2 part of N- butyl-N- crassitudes bromide, 1 part of glass microballoon, 100 parts of base polyurethane prepolymer for use as, gather
13 parts of ethoxylated polyhydric alcohol, 0.05 part of sulfosuccinic acid lauryl polyoxyethylene (1~4) ether-ether disodium, 3 parts of epoxy polyamide, 2-
4 parts of (2- pyrrolidinyls) benzenethiol, the 0.05 part of mixing of [(S, S)-vinyl is double (4,5,6,7- tetrahydrochysene -1- indenyls)] bifluoride titanium
Uniformly, spraying polyurethane paint is obtained.
（2）Fuel tank spraying coating process
Fuel tank is become to fuel tank, combination, combination becomes door-plate and surface and oil contaminant removes compared with the pre- ungrease treatment of the advanced row of multi-work piece, then through oil removing
Rust, washing, phosphatization, hot water embathe, drying process processing.
A certain amount of single-component epoxy iron oxide red paint is injected into dried fuel tank using paint pump；Successively by fuel tank four
Side is padded, until corrugated plate bottom paint flows completely out, the excess paint of tank bottoms is removed, to carrying out place of dusting outside fuel tank
Reason, in the film layer that the outer side wall surface of fuel tank is formed, 170 DEG C of temperature, 80 minutes are incubated, is then sprayed on fuel tank madial wall
The spraying polyurethane paint, oven is placed in after having sprayed by fuel tank, obtains the oil tank of transformer of spray treatment.
The oven condition is to be heated 3 hours in 80 DEG C of baking ovens.
The thickness of the tank bottoms enamelled coating is >=40 μm.
The outer side wall surface of the fuel tank forms the film layer of thickness >=80 μm.
Acid washing phosphorization processing acid used is hydrochloric acid.
Embodiment 2
(1) preparation of spraying polyurethane paint
By weight, by 0.1 part of N- butyl-N- crassitudes bromide, 0.5 part of glass microballoon, 100 parts of base polyurethane prepolymer for use as,
5 parts of PPG, 0.01 part of sulfosuccinic acid lauryl polyoxyethylene (1~4) ether-ether disodium, 1 part of epoxy polyamide, 2-
1 part of (2- pyrrolidinyls) benzenethiol, the 0.01 part of mixing of [(S, S)-vinyl is double (4,5,6,7- tetrahydrochysene -1- indenyls)] bifluoride titanium
Uniformly, spraying polyurethane paint is obtained.
(3）Fuel tank spraying coating process
Fuel tank is become to fuel tank, combination, combination becomes door-plate and surface and oil contaminant removes compared with the pre- ungrease treatment of the advanced row of multi-work piece, then through oil removing
Rust, washing, phosphatization, hot water embathe, drying process processing.
A certain amount of single-component epoxy iron oxide red paint is injected into dried fuel tank using paint pump；Successively by fuel tank four
Side is padded, until corrugated plate bottom paint flows completely out, the excess paint of tank bottoms is removed, to carrying out place of dusting outside fuel tank
Reason, in the film layer that the outer side wall surface of fuel tank is formed, 150 DEG C of temperature, 120 minutes are incubated, is then sprayed on fuel tank madial wall
The spraying polyurethane paint is applied, fuel tank is placed in oven after having sprayed, obtains the oil tank of transformer of spray treatment.
The oven condition is to be heated 1 hour in 70 DEG C of baking ovens.
The thickness of the tank bottoms enamelled coating is >=40 μm.
The outer side wall surface of the fuel tank forms the film layer of thickness >=80 μm.
Acid washing phosphorization processing acid used is hydrochloric acid.
Embodiment 3
（1）The preparation of spraying polyurethane paint
By weight, by 0.5 part of N- butyl-N- crassitudes bromide, 2 parts of glass microballoon, 100 parts of base polyurethane prepolymer for use as, gather
20 parts of ethoxylated polyhydric alcohol, 0.1 part of sulfosuccinic acid lauryl polyoxyethylene (1~4) ether-ether disodium, 5 parts of epoxy polyamide, 2- (2-
Pyrrolidinyl) 5 parts of benzenethiol, the 0.1 part of mixing of [(S, S)-vinyl is double (4,5,6,7- tetrahydrochysene -1- indenyls)] bifluoride titanium is
It is even, obtain spraying polyurethane paint.
(4）Fuel tank spraying coating process
Fuel tank is become to fuel tank, combination, combination becomes door-plate and surface and oil contaminant removes compared with the pre- ungrease treatment of the advanced row of multi-work piece, then through oil removing
Rust, washing, phosphatization, hot water embathe, drying process processing.
A certain amount of single-component epoxy iron oxide red paint is injected into dried fuel tank using paint pump；Successively by fuel tank four
Side is padded, until corrugated plate bottom paint flows completely out, the excess paint of tank bottoms is removed, to carrying out place of dusting outside fuel tank
Reason, in the film layer that the outer side wall surface of fuel tank is formed, 180 DEG C of temperature, 40 minutes are incubated, is then sprayed on fuel tank madial wall
The spraying polyurethane paint, oven is placed in after having sprayed by fuel tank, obtains the oil tank of transformer of spray treatment.
The oven condition is to be heated 1 hour in 100 DEG C of baking ovens.
The thickness of the tank bottoms enamelled coating is >=40 μm.
The outer side wall surface of the fuel tank forms the film layer of thickness >=80 μm.
Acid washing phosphorization processing acid used is hydrochloric acid.
Comparative example 1
Epoxy iron red shop primer is not used to fill in immersion oil case, using the lacquer spraying technique of prior art, other are the same as embodiment 1.
Comparative example 2
N- butyl-N- crassitude bromides are added without, other are the same as embodiment 1.
Comparative example 2
2- (2- pyrrolidinyls) benzenethiol is added without, other are the same as embodiment 1.
Comparative example 3
Epoxy polyamide is added without, other are the same as embodiment 1.
Comparative example 4
[(S, S)-vinyl is double (4,5,6,7- tetrahydrochysene -1- indenyls)] bifluoride titanium is added without, other are the same as embodiment 1.
Comparative example 5
Spraying polyurethane paint is added without, using conventional polyurethanes paint, other are the same as embodiment 1.
After the fuel tank obtained using embodiment 1-3 lacquer spraying techniques is used 3 years, fuel tank internal does not have iron rust to produce vestige.
After the fuel tank obtained using comparative example 1-3 lacquer spraying techniques is used 3 years, fuel tank internal part ripple recess produces iron
Rust.
After the fuel tank obtained using the lacquer spraying technique of comparative example 4 is used 1 year, fuel tank internal part ripple recess produces iron
Rust.
The specific embodiment of the present invention is these are only, but the technical characteristic of the present invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technique effect is realized, made simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (4)
1. a kind of oil tank of transformer spraying polyurethane paint and spraying coating process, it is characterised in that comprise the following steps：
Fuel tank is become to fuel tank, combination, combination becomes door-plate and surface and oil contaminant removes compared with the pre- ungrease treatment of the advanced row of multi-work piece, then through oil removing
Rust, washing, phosphatization, hot water embathe, drying process processing；A certain amount of single group is injected into dried fuel tank using paint pump
Part epoxy iron red shop paint；It is successively that four sides of fuel tank are padded, until corrugated plate bottom paint flows completely out, remove the more of tank bottoms
Excess oil paint, to carrying out processing of dusting outside fuel tank, in the film layer that the outer side wall surface of fuel tank is formed, 150-180 DEG C of temperature, protect
Warm 40-120 minutes, titanium-based polyurethane paint is then sprayed on fuel tank madial wall, fuel tank is placed in oven after having sprayed, obtained
The oil tank of transformer of spray treatment.
2. a kind of oil tank of transformer spraying polyurethane paint and spraying coating process described in claim 1, it is characterised in that the spray
Painting is included with the preparation method of corrosion-resistant polyurethane paint：
By weight, by N- butyl-N- crassitude bromide 0.1-0.5 parts, glass microballoon 0.5-2 parts, base polyurethane prepolymer for use as
100 parts, PPG 5-20 parts, sulfosuccinic acid lauryl polyoxyethylene (1~4) ether-ether disodium 0.01-0.1 parts, epoxy
Polyamide 1-5 parts, 2- (2- pyrrolidinyls) benzenethiol 1-5 parts, [(S, S)-vinyl is double (4,5,6,7- tetrahydrochysene -1- indenyls)] two
Titanium fluoride 0.01-0.1 parts are well mixed, and obtain titanium-based polyurethane paint.
3. a kind of oil tank of transformer spraying polyurethane paint and spraying coating process described in claim 1, it is characterised in that the baking
Case treatment conditions are that 1-5 hours are heated in 70-100 DEG C of baking oven.
4. a kind of oil tank of transformer spraying polyurethane paint and spraying coating process described in claim 1, it is characterised in that the acid
It is hydrochloric acid to wash the acid used in phosphorating treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710870968.3A CN107552365A (en) | 2017-09-24 | 2017-09-24 | A kind of oil tank of transformer spraying polyurethane paint and spraying coating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710870968.3A CN107552365A (en) | 2017-09-24 | 2017-09-24 | A kind of oil tank of transformer spraying polyurethane paint and spraying coating process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107552365A true CN107552365A (en) | 2018-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710870968.3A Pending CN107552365A (en) | 2017-09-24 | 2017-09-24 | A kind of oil tank of transformer spraying polyurethane paint and spraying coating process |
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| CN (1) | CN107552365A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109777280A (en) * | 2018-12-29 | 2019-05-21 | 中通客车控股股份有限公司 | A kind of fuel system fuel tank heat preservation method |
| CN111554483A (en) * | 2020-06-16 | 2020-08-18 | 石家庄天泰电力变压器有限公司 | Rust prevention process for oil tank of three-dimensional wound core distribution transformer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1814682A (en) * | 2005-02-04 | 2006-08-09 | 上海康达化工有限公司 | Anti-corrosion coating layer for water pump, water pump containing same and construction method therefor |
| CN105140013A (en) * | 2015-09-23 | 2015-12-09 | 江苏宏源电气有限责任公司 | Paint spraying process for corrugated oil tank of oil-immersed transformer |
| CN105969155A (en) * | 2016-05-13 | 2016-09-28 | 江苏建中能源科技有限公司 | Formula of polyurethane coating and preparation method of formula |
-
2017
- 2017-09-24 CN CN201710870968.3A patent/CN107552365A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1814682A (en) * | 2005-02-04 | 2006-08-09 | 上海康达化工有限公司 | Anti-corrosion coating layer for water pump, water pump containing same and construction method therefor |
| CN105140013A (en) * | 2015-09-23 | 2015-12-09 | 江苏宏源电气有限责任公司 | Paint spraying process for corrugated oil tank of oil-immersed transformer |
| CN105969155A (en) * | 2016-05-13 | 2016-09-28 | 江苏建中能源科技有限公司 | Formula of polyurethane coating and preparation method of formula |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109777280A (en) * | 2018-12-29 | 2019-05-21 | 中通客车控股股份有限公司 | A kind of fuel system fuel tank heat preservation method |
| CN111554483A (en) * | 2020-06-16 | 2020-08-18 | 石家庄天泰电力变压器有限公司 | Rust prevention process for oil tank of three-dimensional wound core distribution transformer |
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Application publication date: 20180109 |