CN212251515U - A kind of steel pipe with hot-melt anti-corrosion layer - Google Patents
A kind of steel pipe with hot-melt anti-corrosion layer Download PDFInfo
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- CN212251515U CN212251515U CN202020582912.5U CN202020582912U CN212251515U CN 212251515 U CN212251515 U CN 212251515U CN 202020582912 U CN202020582912 U CN 202020582912U CN 212251515 U CN212251515 U CN 212251515U
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- steel pipe
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- melt
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 54
- 239000010959 steel Substances 0.000 title claims abstract description 54
- 239000012943 hotmelt Substances 0.000 title claims abstract description 39
- 238000005260 corrosion Methods 0.000 title description 36
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 230000007797 corrosion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
Description
技术领域technical field
本实用新型涉及管道技术领域，具体地说是涉及热熔防腐层的钢管。The utility model relates to the technical field of pipes, in particular to a steel pipe with a hot-melt anti-corrosion layer.
背景技术Background technique
所述具有热熔防腐层的钢管包括外面的圆形的钢管本体，所述的钢管本体内部具有内腔，钢管一般应用于城市输水中；为了防止钢管内腔受到腐蚀，采取的技术方案是：在钢管本体内侧和外侧分别涂有一层热熔防腐层。The steel pipe with the hot-melt anti-corrosion layer includes a round steel pipe body on the outside, and the steel pipe body has an inner cavity inside. : A layer of hot-melt anti-corrosion coating is applied on the inside and outside of the steel pipe body.
现有技术中，钢管本体上的热熔防腐层各处的厚度是一样的，在钢管使用中，往往是靠近端部的热熔防腐层容易损坏，而靠近钢管中间部位的热熔防腐层往往是完好的；不能实现各处防腐层寿命的一致。In the prior art, the thickness of the hot-melt anti-corrosion layer on the steel pipe body is the same everywhere. In the use of the steel pipe, the hot-melt anti-corrosion layer near the end is often easily damaged, while the hot-melt anti-corrosion layer near the middle of the steel pipe is often damaged. is intact; consistent coating life cannot be achieved everywhere.
发明内容SUMMARY OF THE INVENTION
本实用新型的目的就是针对上述缺点，提供一种可以使钢管本体各处的热熔防腐层寿命一致的钢管——一种具有热熔防腐层的钢管。The purpose of this utility model is to address the above shortcomings, to provide a steel pipe that can make the hot-melt anti-corrosion layers of the steel pipe body have a consistent life span—a steel pipe with a hot-melt anti-corrosion layer.
本实用新型的目的是这样实现的：一种具有热熔防腐层的钢管，包括外面的圆形的钢管本体，所述的钢管本体内部具有内腔，在钢管本体侧面上涂有防腐层，所述的防腐层包括涂覆在钢管本体内侧的内热熔防腐层和涂覆在钢管本体外侧的外热熔防腐层，其特征是：所述防腐层具有在端部部位的厚度大于在中间部位的厚度的结构。The purpose of the present utility model is achieved as follows: a steel pipe with a hot-melt anti-corrosion layer, including an outer circular steel pipe body, the steel pipe body has an inner cavity inside, and the side surface of the steel pipe body is coated with an anti-corrosion layer, so The anti-corrosion layer includes an inner hot-melt anti-corrosion layer coated on the inner side of the steel pipe body and an outer hot-melt anti-corrosion layer coated on the outside of the steel pipe body. thickness of the structure.
进一步地讲，所述的内热熔防腐层具有在端部部位的厚度大于在中间部位的厚度的结构，所述的外热熔防腐层具有在端部部位的厚度大于在中间部位的厚度的结构。Further, the inner hot-melt anti-corrosion layer has a structure in which the thickness at the end portion is greater than that in the middle portion, and the outer hot-melt anti-corrosion layer has a structure in which the thickness at the end portion is greater than that at the middle portion. .
进一步地讲，所述的钢管本体两端的外表面和内表面分别具有一层镀锌层，所述的防腐层在镀锌层的外面涂覆。Further, the outer surface and inner surface of the two ends of the steel pipe body are respectively provided with a layer of galvanized layer, and the anti-corrosion layer is coated on the outside of the galvanized layer.
进一步地讲，所述的内热熔防腐层在端部部位和在中间部位的厚度是均匀过渡的。Further, the thickness of the inner hot-melt anti-corrosion layer at the end portion and the middle portion is uniformly transitioned.
进一步地讲，所述的内热熔防腐层在端部部位的厚度是在中间部的厚度的1.5～2倍。Further, the thickness of the inner hot-melt anti-corrosion layer at the end portion is 1.5 to 2 times the thickness at the middle portion.
进一步地讲，所述的端部的长度是30-50厘米。Further, the length of the end portion is 30-50 cm.
本实用新型的有益效果是：这样的钢管具有可以使钢管本体各处的热熔防腐层寿命一致的优点。The beneficial effect of the utility model is that such a steel pipe has the advantage that the service life of the hot-melt anti-corrosion layer at all parts of the steel pipe body can be uniform.
附图说明Description of drawings
图1是本实用新型剖面示意图。Figure 1 is a schematic sectional view of the utility model.
图2是图1中的A部位放大图。FIG. 2 is an enlarged view of a portion A in FIG. 1 .
其中：1、钢管本体 2、内腔 3、内热熔防腐层 4、外热熔防腐层 5、镀锌层。Among them: 1.
D—端部的长度。D—the length of the end.
具体实施方式Detailed ways
下面结合附图对本实用新型作进一步的描述。The present utility model will be further described below in conjunction with the accompanying drawings.
如图1、2所示，一种具有热熔防腐层的钢管，包括外面的圆形的钢管本体1，所述的钢管本体内部具有内腔2，在钢管本体侧面上涂有防腐层，所述的防腐层包括涂覆在钢管本体内侧的内热熔防腐层3和涂覆在钢管本体外侧的外热熔防腐层4，其特征是：所述的防腐层具有在端部部位的厚度大于在中间部位的厚度的结构。As shown in Figures 1 and 2, a steel pipe with a hot-melt anti-corrosion layer includes an outer circular
本实用新型由于采取了钢管本体两端的防腐层更厚的结构，更耐腐蚀，而钢管本体中间部位相对较薄，可以降低生产成本，也不影响正常使用，可以达到本实用新型的同步寿命的目的。The utility model adopts a structure with thicker anti-corrosion layers at both ends of the steel pipe body, which is more resistant to corrosion, and the middle part of the steel pipe body is relatively thin, which can reduce the production cost and does not affect the normal use, and can achieve the synchronous life of the utility model. Purpose.
进一步地讲，所述的内热熔防腐层具有在端部部位的厚度大于在中间部位的厚度的结构，所述的外热熔防腐层具有在端部部位的厚度大于在中间部位的厚度的结构。Further, the inner hot-melt anti-corrosion layer has a structure in which the thickness at the end portion is greater than that in the middle portion, and the outer hot-melt anti-corrosion layer has a structure in which the thickness at the end portion is greater than that at the middle portion. .
本实用性这样设置，内外热熔防腐层的寿命都会趋于一致，效果更好。The utility is set in this way, the service life of the inner and outer hot-melt anti-corrosion layers tends to be consistent, and the effect is better.
进一步地讲，所述的钢管本体两端的外表面和内表面分别具有一层镀锌层5，所述的防腐层在镀锌层的外面涂覆。Further, the outer surface and inner surface of the two ends of the steel pipe body are respectively provided with a layer of galvanized layer 5, and the anti-corrosion layer is coated on the outside of the galvanized layer.
本实用新型这样设置，更能增加钢管本体端部的耐腐蚀性。The utility model is arranged in this way, which can further increase the corrosion resistance of the end portion of the steel pipe body.
进一步地讲，所述的内热熔防腐层在端部部位和在中间部位的厚度是均匀过渡的。Further, the thickness of the inner hot-melt anti-corrosion layer at the end portion and the middle portion is uniformly transitioned.
进一步地讲，所述的内热熔防腐层在端部部位的厚度是在中间部位的厚度的1.5～2倍。Further, the thickness of the inner hot-melt anti-corrosion layer at the end portion is 1.5 to 2 times the thickness at the middle portion.
进一步地讲，所述的端部的长度D是30-50厘米。Further, the length D of the end portion is 30-50 cm.
以上所述仅为本实用新型的具体实施例，但本实用新型的结构特征并不限于此，任何本领域的技术人员在本实用新型的领域内，所作的变化或修饰皆涵盖在本实用新型的专利范围内。The above are only specific embodiments of the present invention, but the structural features of the present invention are not limited thereto. Any changes or modifications made by any person skilled in the art in the field of the present invention are all included in the present invention. within the scope of the patent.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020582912.5U CN212251515U (en) | 2020-04-20 | 2020-04-20 | A kind of steel pipe with hot-melt anti-corrosion layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020582912.5U CN212251515U (en) | 2020-04-20 | 2020-04-20 | A kind of steel pipe with hot-melt anti-corrosion layer |
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| Publication Number | Publication Date |
|---|---|
| CN212251515U true CN212251515U (en) | 2020-12-29 |
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|---|---|---|---|
| CN202020582912.5U Expired - Fee Related CN212251515U (en) | 2020-04-20 | 2020-04-20 | A kind of steel pipe with hot-melt anti-corrosion layer |
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| Country | Link |
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| CN (1) | CN212251515U (en) |
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2020
- 2020-04-20 CN CN202020582912.5U patent/CN212251515U/en not_active Expired - Fee Related
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Granted publication date: 20201229 |
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