CN205479903U - Hot bending machine pipe of high pressure thick wall heavy -calibre - Google Patents
Hot bending machine pipe of high pressure thick wall heavy -calibre Download PDFInfo
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- CN205479903U CN205479903U CN201620194492.7U CN201620194492U CN205479903U CN 205479903 U CN205479903 U CN 205479903U CN 201620194492 U CN201620194492 U CN 201620194492U CN 205479903 U CN205479903 U CN 205479903U
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- flange
- high pressure
- pipe body
- elbow
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- 238000013003 hot bending Methods 0.000 title claims 7
- 239000004429 Calibre Substances 0.000 title 1
- 239000002131 composite material Substances 0.000 claims abstract description 12
- -1 polyethylene Polymers 0.000 claims abstract description 12
- 239000004698 Polyethylene Substances 0.000 claims abstract description 10
- 229920000573 polyethylene Polymers 0.000 claims abstract description 10
- 238000005260 corrosion Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 239000002356 single layer Substances 0.000 claims abstract description 6
- 230000007797 corrosion Effects 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims 1
- 229940098458 powder spray Drugs 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 16
- 230000003014 reinforcing effect Effects 0.000 abstract description 13
- 239000004593 Epoxy Substances 0.000 abstract description 11
- 239000011248 coating agent Substances 0.000 abstract description 10
- 238000000576 coating method Methods 0.000 abstract description 10
- 239000011241 protective layer Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000002310 elbow joint Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
本实用新型涉及一种高压厚壁大口径热煨弯管，包括弯管管体，管体两端设有第一法兰和第二法兰，其特征在于：所述管体表面设有加强凸条；所述管体表面通过电粉末喷涂装置在弯管表面喷涂单层静电环氧粉末涂层，并在环氧粉末涂层表面设有聚乙烯复合带防护层对其进行保护；所述第一法兰和第二法兰表面均设有凹槽。本实用新型的有益效果是：通过在管体表面通过电粉末喷涂装置在弯管表面喷涂单层静电环氧粉末涂层并在环氧粉末涂层表面设有聚乙烯复合带防护层对其进行保护，增强弯管的抗腐蚀能力。通过在法兰表面设置凹槽，可以提高弯管的抗压能力，提高密封性能。通过设置加强凸条，可以提高弯管的应力承受能力，进而提高了弯管的实用寿命和安全系数。
The utility model relates to a high-pressure, thick-walled and large-diameter hot-simmered bent pipe, which includes a bent pipe body, and a first flange and a second flange are arranged at both ends of the pipe body, and is characterized in that: the surface of the pipe body is provided with a reinforcing convex line; the surface of the pipe body is sprayed with a single layer of electrostatic epoxy powder coating on the surface of the elbow through an electric powder spraying device, and a protective layer of polyethylene composite tape is provided on the surface of the epoxy powder coating to protect it; the said Surfaces of the first flange and the second flange are both provided with grooves. The beneficial effects of the utility model are: by spraying a single-layer electrostatic epoxy powder coating on the surface of the elbow through an electric powder spraying device on the surface of the pipe body, and installing a protective layer of polyethylene composite tape on the surface of the epoxy powder coating to protect it. Protection, enhance the corrosion resistance of the elbow. By setting grooves on the surface of the flange, the compression resistance of the elbow can be improved and the sealing performance can be improved. By setting the reinforcing ribs, the stress bearing capacity of the bent pipe can be improved, thereby improving the practical life and safety factor of the bent pipe.
Description
技术领域 technical field
本实用新型涉及管道运输领域，具体涉及一种高压厚壁大口径热煨弯管。 The utility model relates to the field of pipeline transportation, in particular to a high-pressure thick-walled large-caliber hot-simmered bent pipe.
背景技术 Background technique
在工业运输中，常常会用到大量的弯管。目前使用的弯管大多为表面光滑的空心柱体结构，该结构一方面因为表面光滑降低安装效率，同时无加强结构，使得弯管容易变形甚至破裂，影响运输安全。另外，传统的弯管连接部采用表面光滑的法兰相连接，密封性差。同时管道未做防腐和防护，使用寿命较短。 In industrial transportation, a large number of bent pipes are often used. Most of the elbows currently used are hollow cylindrical structures with smooth surfaces. On the one hand, the smooth surface of this structure reduces the installation efficiency, and at the same time, there is no reinforcement structure, which makes the elbows easy to deform or even break, affecting transportation safety. In addition, the traditional elbow joints are connected by flanges with smooth surfaces, which has poor sealing performance. At the same time, the pipeline is not anti-corrosion and protected, and its service life is short.
实用新型内容 Utility model content
为了克服上述背景技术中的不足，本实用新型设计出一种高压厚壁大口径热煨弯管，该装置在弯管表面设置了加强筋，并对表面做防腐处理和增加防护装置，同时也对其连接部件进行表面处理，既提高了管道的性能又增加了其使用寿命。 In order to overcome the deficiencies in the above-mentioned background technology, the utility model designs a high-pressure thick-walled large-diameter hot-simmering elbow. The surface treatment of its connecting parts not only improves the performance of the pipeline but also increases its service life.
本实用新型解决上述技术问题所采用的技术方案如下面所描述： The technical solution adopted by the utility model to solve the problems of the technologies described above is as follows:
一种高压厚壁大口径热煨弯管，包括弯管管体，管体两端设有第一法兰和第二法兰，其特征在于： A high-pressure, thick-walled and large-diameter hot-simmering elbow, including an elbow body, with a first flange and a second flange at both ends of the pipe body, and is characterized in that:
所述管体表面设有加强凸条；所述管体表面通过电粉末喷涂装置在弯管表面喷涂单层静电环氧粉末涂层，并在环氧粉末涂层表面设有聚乙烯复合带防护层；所述法兰表面设有凹槽。 The surface of the pipe body is provided with reinforcing ribs; the surface of the pipe body is sprayed with a single layer of electrostatic epoxy powder coating on the surface of the elbow through an electric powder spraying device, and a polyethylene composite tape is provided on the surface of the epoxy powder coating layer; grooves are provided on the surface of the flange.
所述聚乙烯复合带为一层胶、一层聚乙烯结构的复合带材。 The polyethylene composite tape is a composite tape with a structure of one layer of glue and one layer of polyethylene.
所述法兰面上设有螺孔，弯管连接时，两法兰相对分布，且中间夹有一层由防腐材料制成的带有弹性的密封圈。 There are screw holes on the flange surface. When the elbow is connected, the two flanges are relatively distributed, and there is a layer of elastic sealing ring made of anti-corrosion material in the middle.
所述弯管两端法兰表面的凹槽在两法兰对接时错位分布。 The grooves on the surface of the flanges at both ends of the elbow are misaligned when the two flanges are butted.
所述加强凸条由弧线加强凸条和与其相连的直线加强凸条组成网格状。 The reinforcing ribs are composed of arc reinforcing ribs and straight reinforcing ribs connected therewith to form a grid.
所述弯管管体的直径为219mm-1420mm，壁厚为3mm-110mm。 The diameter of the bent pipe body is 219mm-1420mm, and the wall thickness is 3mm-110mm.
附图说明 Description of drawings
图1是本实用新型一种高压厚壁大口径热煨弯管的结构示意图。 Fig. 1 is a structural schematic diagram of a high-pressure thick-walled large-diameter hot-simmered elbow of the utility model.
图中，1、弯管管体，2、第一法兰，3、第二法兰，4、凹槽，5、螺孔、6、静电环氧粉末涂层，7、加强凸条。 In the figure, 1. elbow pipe body, 2. first flange, 3. second flange, 4. groove, 5. screw hole, 6. electrostatic epoxy powder coating, 7. reinforcing rib.
具体实施方式 detailed description
如图1所示，本实用新型解决上述技术问题所采用的技术方案如下面所描述： As shown in Figure 1, the technical solution adopted by the utility model to solve the above-mentioned technical problems is as follows:
一种高压厚壁大口径热煨弯管，包括弯管管体1，管体两端设有第一法兰2和第二法兰3，其特征在于： A high-pressure, thick-walled and large-diameter hot-simmered elbow, including an elbow body 1, with a first flange 2 and a second flange 3 arranged at both ends of the pipe body, and is characterized in that:
所述管体表面设有加强凸条7；所述管体表面通过电粉末喷涂装置在弯管表面喷涂单层静电环氧粉末涂层6以增强弯管的抗腐蚀能力，并在环氧粉末涂层6表面设有聚乙烯复合带防护层（图中未示出）对其进行保护，延长使用寿命；所述第一法兰2和第二法兰3表面均设有凹槽4。 The surface of the pipe body is provided with reinforcing ribs 7; the surface of the pipe body is sprayed with a single-layer electrostatic epoxy powder coating 6 on the surface of the elbow through an electric powder spraying device to enhance the corrosion resistance of the elbow, and the epoxy powder The surface of the coating 6 is provided with a protective layer of polyethylene composite tape (not shown in the figure) to protect it and prolong its service life; the surfaces of the first flange 2 and the second flange 3 are both provided with grooves 4 .
所述聚乙烯复合带防护层为一层胶、一层聚乙烯结构的复合带材。 The protective layer of the polyethylene composite tape is a composite tape with one layer of glue and one layer of polyethylene structure.
所述第一法兰2和第二法兰3面上设有螺孔5，弯管连接时，与其他弯管或者连接头的法兰相对分布，且中间夹有一层由防腐材料制成的带有弹性的密封圈（图中未示出）。 There are screw holes 5 on the surface of the first flange 2 and the second flange 3. When the elbow is connected, it is relatively distributed with the flanges of other elbows or joints, and there is a layer of anti-corrosion material in between. With elastic sealing ring (not shown in the figure).
所述第一法兰2或第二法兰3表面的凹槽4在与其他法兰对接时错位分布。使用时，带有弹性的密封圈收到挤压进入凹槽4中，增强了弯管的抗高压能力和密封性。同时，因对接法兰表面的凹槽4错位分布，避免两凹槽相对分布影响产品性能。 The grooves 4 on the surface of the first flange 2 or the second flange 3 are misaligned when they are docked with other flanges. When in use, the elastic sealing ring is squeezed into the groove 4, which enhances the high pressure resistance and sealing performance of the elbow. At the same time, due to the dislocation distribution of the grooves 4 on the surface of the butt flange, it is avoided that the relative distribution of the two grooves affects the performance of the product.
所述加强凸条7由弧线加强凸条和与其相连的直线加强凸条组成网格状。通过设置加强凸条7，可以提高弯管的应力承受能力，进而提高了弯管的实用寿命和安全系数。 The reinforcing ribs 7 are composed of arc reinforcing ribs and straight reinforcing ribs connected thereto to form a grid. By setting the reinforcing ribs 7, the stress bearing capacity of the bent pipe can be improved, thereby improving the practical life and safety factor of the bent pipe.
所述弯管管体的直径为219mm-1420mm，壁厚为3mm-110mm。 The diameter of the bent pipe body is 219mm-1420mm, and the wall thickness is 3mm-110mm.
本实用新型的有益效果是： The beneficial effects of the utility model are:
（1）通过在管体表面通过电粉末喷涂装置在弯管表面喷涂单层静电环氧粉末涂层6以增强弯管的抗腐蚀能力。 (1) Spray a single layer of electrostatic epoxy powder coating 6 on the surface of the elbow through an electric powder spraying device on the surface of the pipe body to enhance the corrosion resistance of the elbow.
（2）在环氧粉末涂层6表面设有聚乙烯复合带防护层对其进行保护，延长使用寿命。 (2) The surface of the epoxy powder coating 6 is provided with a protective layer of polyethylene composite tape to protect it and prolong its service life.
（3）通过在法兰表面设置凹槽4，可以提高弯管抗高压能力和密封性。 (3) By setting the groove 4 on the flange surface, the high pressure resistance and sealing performance of the elbow can be improved.
（4）通过设置加强凸条7，可以提高弯管的应力承受能力，进而提高了弯管的实用寿命和安全系数。 (4) By arranging the reinforcing rib 7, the stress bearing capacity of the bent pipe can be improved, thereby improving the practical life and safety factor of the bent pipe.
需要注意的是，上述具体实施例是示例性的，在本实用新型的上述教导下，本领域技术人员可以在上述实施例的基础上进行各种改进和变形，而这些改进或者变形落在本实用新型的保护范围内。 It should be noted that the above-mentioned specific embodiments are exemplary. Under the above-mentioned teaching of the present utility model, those skilled in the art can make various improvements and modifications on the basis of the above-mentioned embodiments, and these improvements or modifications fall within the scope of this invention. within the scope of protection of utility models.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194492.7U CN205479903U (en) | 2016-03-15 | 2016-03-15 | Hot bending machine pipe of high pressure thick wall heavy -calibre |
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| CN201620194492.7U CN205479903U (en) | 2016-03-15 | 2016-03-15 | Hot bending machine pipe of high pressure thick wall heavy -calibre |
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| CN205479903U true CN205479903U (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736272A (en) * | 2019-03-13 | 2019-05-10 | 国家电网有限公司 | A kind of concrete dam drainage hole opening arrangement and its manufacturing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736272A (en) * | 2019-03-13 | 2019-05-10 | 国家电网有限公司 | A kind of concrete dam drainage hole opening arrangement and its manufacturing method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |
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| CF01 | Termination of patent right due to non-payment of annual fee |