CN210424181U - Be applied to anticorrosive structure of 316L thin wall stainless steel buried elbow pipe fitting - Google Patents
Be applied to anticorrosive structure of 316L thin wall stainless steel buried elbow pipe fitting Download PDFInfo
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- CN210424181U CN210424181U CN201921061624.9U CN201921061624U CN210424181U CN 210424181 U CN210424181 U CN 210424181U CN 201921061624 U CN201921061624 U CN 201921061624U CN 210424181 U CN210424181 U CN 210424181U
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- layer
- asphalt
- anticorrosive
- oil layer
- oil
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 15
- 239000010935 stainless steel Substances 0.000 title claims abstract description 15
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 23
- 239000010426 asphalt Substances 0.000 claims description 78
- 239000003921 oil Substances 0.000 claims description 75
- 238000005260 corrosion Methods 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 4
- 239000002199 base oil Substances 0.000 claims description 3
- 238000005536 corrosion prevention Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract 3
- 238000000576 coating method Methods 0.000 abstract 3
- 230000002787 reinforcement Effects 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses an anticorrosive structure of 316L thin wall stainless steel buried elbow pipe fitting, including elbow and anticorrosive coating, the anticorrosive coating covers the elbow, the anticorrosive coating includes pitch bottom oil reservoir, first anticorrosive structural layer, second anticorrosive structural layer and pitch surface oil reservoir, pitch bottom oil reservoir cover the elbow, first anticorrosive structural layer covers the pitch bottom oil reservoir, second anticorrosive structural layer covers first anticorrosive structural layer, pitch surface oil reservoir cover the second anticorrosive structural layer, first anticorrosive structural layer includes first pitch oil reservoir, first non-woven fabrics layer, second pitch oil reservoir, second anticorrosive structural layer includes third pitch oil reservoir, second non-woven fabrics layer, fourth pitch oil reservoir. The utility model discloses an anticorrosive strength has strengthened the anticorrosive ability that 316L thin wall stainless steel buried the ground elbow pipe fitting for special reinforcement level, and the anticorrosive material of adoption is common material in the construction, is favorable to extensively promoting.
Description
Technical Field
The utility model relates to an anticorrosive structure of 316L thin wall stainless steel buried elbow pipe fitting.
Background
The corrosion is a main factor influencing the safe operation and the service life of the 316L thin-wall stainless steel buried pipeline, and a series of measures are adopted at present, but the effect is still not ideal. The traditional ground-buried pipeline anticorrosion measures are methods of electrical tape anticorrosion, filling of an expanding agent in a sleeve and the like, and the actual anticorrosion effect is not ideal.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides an anticorrosive structure of a 316L thin-wall stainless steel buried elbow pipe fitting.
The utility model discloses technical scheme as follows:
an anticorrosion structure of a 316L thin-wall stainless steel buried elbow pipe fitting is characterized by comprising an elbow and an anticorrosion layer, wherein the anticorrosion layer covers the elbow,
the anti-corrosion layer comprises an asphalt bottom oil layer, a first anti-corrosion structure layer, a second anti-corrosion structure layer and an asphalt surface oil layer, the asphalt bottom oil layer covers the elbow, the first anti-corrosion structure layer covers the asphalt bottom oil layer, the second anti-corrosion structure layer covers the first anti-corrosion structure layer, and the asphalt surface oil layer covers the second anti-corrosion structure layer,
the first anti-corrosion structure layer comprises a first asphalt oil layer, a first non-woven fabric layer and a second asphalt oil layer, the first non-woven fabric layer is located between the first asphalt oil layer and the second asphalt oil layer, and the first anti-corrosion structure layer covers the asphalt bottom oil layer.
The second anticorrosion structure layer comprises a third asphalt oil layer, a second non-woven fabric layer and a fourth asphalt oil layer, the second non-woven fabric layer is located between the third asphalt oil layer and the fourth asphalt oil layer, and the second anticorrosion structure layer covers the first anticorrosion structure layer.
Preferably, the total thickness of the asphalt bottom oil layer, the first anti-corrosion structure layer, the second anti-corrosion structure layer and the asphalt surface oil layer is 0.8-1.5 mm.
Preferably, the asphalt base oil layer, the first asphalt oil layer, the second asphalt oil layer, the third asphalt oil layer, the fourth asphalt oil layer and the asphalt surface oil layer are composed of asphalt oil, the asphalt oil is oil extracted from asphalt, and the black liquid has a volume density of 1.25 to 1.35g/cm3 at normal temperature.
Preferably, the first nonwoven fabric layer and the second nonwoven fabric layer are made of nonwoven fabric and have a size of 40 grams per square meter.
The utility model discloses following beneficial effect has: the utility model discloses an anticorrosive strength is special reinforcing level, has strengthened the anticorrosive ability that 316L thin wall stainless steel buried the ground elbow pipe fitting greatly, and the anticorrosive material of adoption is common material in the construction, is favorable to extensively promoting.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure, 1, an elbow; 2. an asphalt bottom oil layer; 3. a first corrosion resistant structural layer; 4. a second corrosion resistant structural layer; 5 asphalt surface oil layer.
Detailed Description
The invention is further described with reference to the following figures and embodiments:
as shown in fig. 1, the anticorrosion structure of the 316L thin-wall stainless steel buried elbow 1 pipe fitting comprises an elbow 1 and an anticorrosion layer, wherein the anticorrosion layer covers the elbow 1,
the anti-corrosion layer comprises an asphalt bottom oil layer 2, a first anti-corrosion structure layer 3, a second anti-corrosion structure layer 4 and an asphalt surface oil layer 5, the asphalt bottom oil layer 2 covers the elbow 1, the first anti-corrosion structure layer 3 covers the asphalt bottom oil layer 2, the second anti-corrosion structure layer covers the first anti-corrosion structure layer 3, the asphalt surface oil layer 5 covers the second anti-corrosion structure layer 4,
the first anti-corrosion structure layer 3 comprises a first asphalt oil layer, a first non-woven fabric layer and a second asphalt oil layer, the first non-woven fabric layer is located between the first asphalt oil layer and the second asphalt oil layer, and the first anti-corrosion structure layer 3 covers the asphalt bottom oil layer 2.
The second anticorrosion structure layer 4 comprises a third asphalt oil layer, a second non-woven fabric layer and a fourth asphalt oil layer, the second non-woven fabric layer is positioned between the third asphalt oil layer and the fourth asphalt oil layer, and the second anticorrosion structure layer 4 covers the first anticorrosion structure layer 3.
Preferably, the total thickness of the asphalt bottom oil layer 2, the first anti-corrosion structure layer 3, the second anti-corrosion structure layer 4 and the asphalt surface oil layer 5 is 0.8 mm-1.5 mm.
Preferably, the asphalt bottom oil layer 2, the first asphalt oil layer, the second asphalt oil layer, the third asphalt oil layer, the fourth asphalt oil layer and the asphalt surface oil layer 5 are composed of asphalt oil, the asphalt oil is oil extracted from asphalt and is black liquid with the volume density of 1.25-1.35 g/cm3 at normal temperature, the black liquid is commonly used as a cementing material in building engineering, and the function is that the waterproof material has better adhesion with a building.
Preferably, the first nonwoven fabric layer and the second nonwoven fabric layer are composed of nonwoven fabric and have a size of 40 grams per square meter.
The utility model discloses following beneficial effect has: the utility model discloses an anticorrosive strength is special reinforcing level, has strengthened the anticorrosive ability that 316L thin wall stainless steel buried the ground elbow pipe fitting greatly, and the anticorrosive material of adoption is common material in the construction, is favorable to extensively promoting.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
The above exemplary description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or by directly applying the concept and technical solution of the present invention to other occasions without improvement are all within the protection scope of the present invention.
Claims (4)
1. An anticorrosion structure of a 316L thin-wall stainless steel buried elbow pipe fitting is characterized by comprising an elbow and an anticorrosion layer, wherein the anticorrosion layer covers the elbow,
the anti-corrosion layer comprises an asphalt bottom oil layer, a first anti-corrosion structure layer, a second anti-corrosion structure layer and an asphalt surface oil layer, the asphalt bottom oil layer covers the elbow, the first anti-corrosion structure layer covers the asphalt bottom oil layer, the second anti-corrosion structure layer covers the first anti-corrosion structure layer, and the asphalt surface oil layer covers the second anti-corrosion structure layer,
the first anti-corrosion structure layer comprises a first asphalt oil layer, a first non-woven fabric layer and a second asphalt oil layer, the first non-woven fabric layer is positioned between the first asphalt oil layer and the second asphalt oil layer, the first anti-corrosion structure layer covers the asphalt bottom oil layer,
the second anticorrosion structure layer comprises a third asphalt oil layer, a second non-woven fabric layer and a fourth asphalt oil layer, the second non-woven fabric layer is located between the third asphalt oil layer and the fourth asphalt oil layer, and the second anticorrosion structure layer covers the first anticorrosion structure layer.
2. The anti-corrosion structure of a 316L thin-wall stainless steel buried elbow pipe fitting according to claim 1, wherein the total thickness of the asphalt base oil layer, the first anti-corrosion structure layer, the second anti-corrosion structure layer and the asphalt surface oil layer is 0.8-1.5 mm.
3. The anti-corrosion structure of a 316L thin-wall stainless steel buried elbow pipe fitting according to claim 1, wherein the asphalt base oil layer, the first asphalt oil layer, the second asphalt oil layer, the third asphalt oil layer, the fourth asphalt oil layer and the asphalt surface oil layer are composed of asphalt oil, the asphalt oil is oil extracted from asphalt, and the asphalt oil is black liquid with a volume density of 1.25-1.35 g/cm3 at normal temperature.
4. The corrosion prevention structure of a 316L thin-walled stainless steel buried elbow pipe fitting according to claim 1, wherein the first non-woven fabric layer and the second non-woven fabric layer are composed of non-woven fabrics, and the specification is 40 grams per square meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921061624.9U CN210424181U (en) | 2019-07-09 | 2019-07-09 | Be applied to anticorrosive structure of 316L thin wall stainless steel buried elbow pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921061624.9U CN210424181U (en) | 2019-07-09 | 2019-07-09 | Be applied to anticorrosive structure of 316L thin wall stainless steel buried elbow pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210424181U true CN210424181U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921061624.9U Expired - Fee Related CN210424181U (en) | 2019-07-09 | 2019-07-09 | Be applied to anticorrosive structure of 316L thin wall stainless steel buried elbow pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210424181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212125A (en) * | 2019-07-09 | 2021-01-12 | 中国十九冶集团有限公司 | Anticorrosion method and structure applied to 316L thin-wall stainless steel buried elbow pipe fitting |
-
2019
- 2019-07-09 CN CN201921061624.9U patent/CN210424181U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212125A (en) * | 2019-07-09 | 2021-01-12 | 中国十九冶集团有限公司 | Anticorrosion method and structure applied to 316L thin-wall stainless steel buried elbow pipe fitting |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 Termination date: 20210709 |
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| CF01 | Termination of patent right due to non-payment of annual fee |