CN209026337U - A kind of compound pipeline complex pipeline with flange - Google Patents
A kind of compound pipeline complex pipeline with flange Download PDFInfo
- Publication number
- CN209026337U CN209026337U CN201821889549.0U CN201821889549U CN209026337U CN 209026337 U CN209026337 U CN 209026337U CN 201821889549 U CN201821889549 U CN 201821889549U CN 209026337 U CN209026337 U CN 209026337U
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- flange
- steel pipe
- resistant coating
- erosion resistant
- layer
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Abstract
The utility model provides a kind of compound pipeline complex pipeline with flange, which solve existing conveyance conduit welding troubles, the technical problem that energy consumption is high and the service life is short, it is equipped with steel pipe, the inside of steel pipe is equipped with erosion resistant coating in steel pipe, the outer end of erosion resistant coating is equipped with the flange being inclined outwardly in steel pipe, angle α between flange and steel pipe central axes direction is 1 °~30 °, and the utility model can be widely used for fluid conveying.
Description
Technical field
The utility model relates to a kind of conveyance conduits, more particularly, to a kind of compound pipeline complex pipeline with flange.
Background technique
In the production and life of the mankind, through frequently with steel pipe as hot water or the conveyance conduit of other fluids.Steel pipe
The advantages of be that anti-pressure ability is strong, but its corrosion resistance is poor, then just take anti-corrosion measure in steel tube surface, but nearly all
All there are the following problems for anti-corrosion pipeline:
(1) two compound pipeline complex pipeline is very big in operation difficulty when being welded to connect of constructing.
(2) two compound pipeline complex pipelines are during welded connecting, because of caused by failure welding caused by tolerance variation and deformation
Etching problem.
In this way, have led to using higher cost anti-corrosion composite steel tube interface and do not do any corrosion-resistant, cost compared with
The corrosion resistance of low clean steel pipe is essentially identical.
Summary of the invention
The utility model aiming at technical problem present in background technique, provide that a kind of connection is easy, low energy consumption and
The compound pipeline complex pipeline with flange of service life length.
For this purpose, the utility model is equipped with steel pipe, the inside of steel pipe is equipped with erosion resistant coating in steel pipe, the outer end of erosion resistant coating in steel pipe
Equipped with the flange being inclined outwardly, the angle α between flange and steel pipe central axes direction is 1 °~30 °.
Preferably, external anti-corrosion layer is additionally provided on the outside of steel pipe, the outside of external anti-corrosion layer is equipped with insulating layer, the outside of insulating layer
Equipped with protective layer.
Preferably, the both ends of steel pipe are equipped with expansion mouth, and expansion mouth is last equipped with the rake being inclined outwardly and with rake
The connected flat part in end, the internal diameter of flat part are greater than the internal diameter of steel pipe；It is additionally provided with erosion resistant coating in expansion mouth on the inside of expansion mouth, expands
It is equipped with interconnecting piece in oral area in erosion resistant coating and steel pipe between erosion resistant coating；The flange being inclined outwardly is set to the outer of erosion resistant coating in expansion mouth
End.
Preferably, interconnecting piece is welding layer.
Preferably, the internal diameter of erosion resistant coating is flushed with the internal diameter of erosion resistant coating in steel pipe in expansion mouth.
Preferably, the outer end edges of flat part are equipped with reinforcing rib.
Preferably, erosion resistant coating and external anti-corrosion layer all can be corrosion resistant stainless steel layer, glass-lined coating or modifications in steel pipe
Epoxy layer.
Preferably, insulating layer polyurethane foam or aeroge insulation quilt.
Preferably, protective layer is glass reinforced plastic pipe or polyethylene sheath or is entwined by epoxy resin and fiber.
It is directly welded when the utility model connects, it is simple to operate；It can be used for conveying 70 °~150 ° of high warm
Water (steam and hot water), the scope of application is wider；The setting of erosion resistant coating can effectively prevent inner wall in erosion resistant coating and expansion mouth in steel pipe
Corrosion, prolongs its service life；By the way that 1 °~30 ° flange tilted outward are arranged, two sections of compound pipeline complex pipelines can be preferably solved
The etching problem because of caused by failure welding caused by tolerance variation and deformation in connecting welding；Erosion resistant coating and steel pipe in expansion mouth
The setting that interior erosion resistant coating inner surface flushes reduces the resistance of fluids within pipes flowing, greatly reduces in pipeline operational process
Energy consumption saves operating cost；Insulating layer (polyurethane foam) uses floride-free technology, pollution-free to atmosphere, meets environmental protection and wants
It asks；Protective layer is good using glass reinforced plastic or polyethylene sheath antiseptic property, and moisture resistant is ageing-resistant.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 2.
Symbol description in figure:
1. steel pipe；2. erosion resistant coating in steel pipe；3. flange；4. interconnecting piece；5. erosion resistant coating in expansion mouth；6. external anti-corrosion layer；7.
Insulating layer；8. protective layer；9. reinforcing rib；10. rake；11. flat part.
Specific embodiment
Specific embodiment of the present utility model is described in detail with reference to the accompanying drawings.
Embodiment 1
As shown in Figure 1, the utility model is equipped with the steel pipe 1 for conveying heating power fluid, the inside of steel pipe 1 is equipped in steel pipe
Erosion resistant coating 2, outside are equipped with external anti-corrosion layer 6, erosion resistant coating 2 and external anti-corrosion layer 6 all can be corrosion-resistant, wear-resisting in steel pipe it is organic or
Inorganic layer, preferably stainless steel layer, glass-lined coating or modified epoxy layer.When for stainless steel layer, use carbon steel sheet with it is stainless
Steel plate hot is pricked；When for modified epoxy layer, spray gun or complete special equipment is used to spray to be formed.
The outside of external anti-corrosion layer 6 is additionally provided with insulating layer 7, and the polyurethane foam that insulating layer 7 is 150 DEG C of heatproof adds free-floride to urge
Agent and various small powders form the rigid foam that bulk density is 60~80kg/m3, and compression strength is greater than 0.6MPa, and water absorption rate is low, close
Degree is big, intensity is high, heat insulation effect is good.Insulating layer may be aeroge insulation quilt.
The outside of insulating layer 7 is equipped with protective layer 8, and protective layer 8 can be glass reinforced plastic pipe or polyethylene sheath, is also possible to
It is entwined by epoxy resin and fiber, as long as preferable protective action can be played；Protective layer 8 has preferable moisture resistance
It can be good with resistance to chemical corrosion, ageing-resistant performance.
The both ends of steel pipe 1 are equipped with expansion mouth, expansion mouth be equipped with the rake 10 being inclined outwardly and with 10 end of rake
Connected flat part 11, the internal diameter of flat part 11 are greater than the internal diameter of steel pipe 1.Erosion resistant coating in expansion mouth is additionally provided on the inside of expansion mouth
5, interconnecting piece 4 is equipped between erosion resistant coating 2 in erosion resistant coating 5 and steel pipe in expansion mouth.When anti-corrosion in erosion resistant coating 5 in expansion mouth and steel pipe
When layer 2 is the welding materials such as stainless steel, interconnecting piece 4 is welding layer.
Preferably, the inner peripheral surface of erosion resistant coating 5 is identical as the inner diameter size of erosion resistant coating 2 in steel pipe in expansion mouth, sufficiently protects
Demonstrate,prove the ride comfort of liquid flowing.
The outer end of erosion resistant coating 5 is equipped with the flange 3 that is inclined outwardly in expansion mouth, between 1 central axes direction of flange 3 and steel pipe
Angle α is 1 °~30 °.Flange 3 is integrated with erosion resistant coating 5 in expansion mouth, and flange 3 is using mechanical roll-in hydraulic mould pressing process shape living
At, they with a thickness of 2~10mm, the length of erosion resistant coating 5 is 8~20mm in expansion mouth, and the length of flange 3 is 2~10mm.
When connected two root canal roads are welded, 1 both ends of steel pipe connected will be needed to be flared using flaring tool, so
Erosion resistant coating 5 in the expansion mouth of liner is placed in flaring afterwards and is connect by interconnecting piece 4 with erosion resistant coating 2 in steel pipe, weldering is passed through
Two opposite flange of multiple tube 3 are connect to complete the good connection in two root canal roads.The design of erosion resistant coating 5 in flaring and expansion mouth
Two perishable technical problems of pipeline junction are avoided well, also save the step of needing repaired mouth after welding, welding
Efficiency greatly improves.The inner surface of interior erosion resistant coating 2 is flushed with the inner surface of erosion resistant coating 5 in expansion mouth, reduces the flowing of fluid
Resistance, it is more efficient.
By the way that 1 °~30 ° flange 3 tilted outward are arranged, two sections of compound pipeline complex pipelines can be preferably solved in connecting welding
The etching problem because of caused by failure welding caused by tolerance variation and deformation.Flange angular dimension according to the size that is passed through in steel pipe and
The thickness size of erosion resistant coating is moderately adjusted in compound flaring portion, institute.
Preferably, the utility model can also be equipped with 1~5 reinforcing rib 9 in the outer end edges of flaring flat part 11, to protect
Demonstrate,prove the intensity of two sections of compound pipeline complex pipelines connection.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and something in common repeats no more, the difference is that the both ends of steel pipe 1 are not
It is equipped with expansion mouth again, but is directly equipped with flange 3 in the outer end of interior erosion resistant coating 2, by the flange 3 for welding adjacent two multiple tubes
Form firm connection.
Only as described above, only specific embodiment of the utility model, when the utility model cannot be limited with this
The range of implementation, therefore the displacement of its equivalent assemblies, or according to equivalent changes and modifications made by the utility model patent protection scope,
It should still belong to the scope that the utility model claims book is covered.
Claims (9)
1. a kind of compound pipeline complex pipeline with flange is equipped with steel pipe, the inside of the steel pipe is equipped with erosion resistant coating in steel pipe, it is characterized in that
The outer end of erosion resistant coating is equipped with the flange being inclined outwardly, the folder between the flange and steel pipe central axes direction in the steel pipe
Angle α is 1 °~30 °.
2. the compound pipeline complex pipeline according to claim 1 with flange, it is characterised in that be additionally provided on the outside of the steel pipe outer anti-
Rotten layer, the outside of the external anti-corrosion layer are equipped with insulating layer, and the outside of the insulating layer is equipped with protective layer.
3. the compound pipeline complex pipeline according to claim 1 with flange, it is characterised in that the both ends of the steel pipe are equipped with flaring
Portion, the expansion mouth are equipped with the rake being inclined outwardly and the flat part being connected with the rake end, the flat part
Internal diameter is greater than the internal diameter of the steel pipe；Erosion resistant coating in expansion mouth, anti-corrosion in the expansion mouth are additionally provided on the inside of the expansion mouth
Interconnecting piece is equipped in layer and the steel pipe between erosion resistant coating；The flange being inclined outwardly is set to the outer of erosion resistant coating in the expansion mouth
End.
4. the compound pipeline complex pipeline according to claim 3 with flange, it is characterised in that the interconnecting piece is welding layer.
5. the compound pipeline complex pipeline according to claim 3 with flange, it is characterised in that the internal diameter of erosion resistant coating in the expansion mouth
It is flushed with the internal diameter of erosion resistant coating in the steel pipe.
6. the compound pipeline complex pipeline according to claim 3 with flange, it is characterised in that the outer end edges of the flat part are equipped with
Reinforcing rib.
7. the compound pipeline complex pipeline according to claim 2 with flange, it is characterised in that erosion resistant coating and outer anti-corrosion in the steel pipe
Layer all can be corrosion resistant stainless steel layer, glass-lined coating or modified epoxy layer.
8. the compound pipeline complex pipeline according to claim 2 with flange, it is characterised in that the insulating layer be polyurethane foam or
Aeroge insulation quilt.
9. the compound pipeline complex pipeline according to claim 2 with flange, it is characterised in that the protective layer is glass reinforced plastic pipe or gathers
It ethylene protecting pipe or is entwined by epoxy resin and fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821889549.0U CN209026337U (en) | 2018-11-16 | 2018-11-16 | A kind of compound pipeline complex pipeline with flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821889549.0U CN209026337U (en) | 2018-11-16 | 2018-11-16 | A kind of compound pipeline complex pipeline with flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209026337U true CN209026337U (en) | 2019-06-25 |
Family
ID=66909663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821889549.0U Active CN209026337U (en) | 2018-11-16 | 2018-11-16 | A kind of compound pipeline complex pipeline with flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209026337U (en) |
-
2018
- 2018-11-16 CN CN201821889549.0U patent/CN209026337U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220622 Address after: 261500 No. 2168, Haomai Road, Mishui street, Gaomi City, Weifang City, Shandong Province Patentee after: Shandong Wofeng Gerui Machinery Technology Co.,Ltd. Address before: 261500 Longhe Street South and Gaoxin 3rd Road West, Gaomi hi tech Industrial Development Zone, Weifang City, Shandong Province Patentee before: SHANDONG JINGYI GONGJIANG NEW MATERIAL TECHNOLOGY Co.,Ltd. |