CN206513955U - A kind of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline - Google Patents
A kind of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline Download PDFInfo
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- CN206513955U CN206513955U CN201720217009.7U CN201720217009U CN206513955U CN 206513955 U CN206513955 U CN 206513955U CN 201720217009 U CN201720217009 U CN 201720217009U CN 206513955 U CN206513955 U CN 206513955U
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Abstract
The utility model belongs to plumbing equipment field, more particularly to a kind of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline, it is provided with the inside of the pipeline matrix being made including carbon steel, described pipeline matrix on the outside of stainless steel inner lining layer, pipeline matrix and is provided with stainless steel coating layer.Described stainless steel inner lining layer is made up of gapless stainless steel tube.Described stainless steel coating layer is formed by the stainless steel plate of strip along described pipeline matrix spiral winding, after the completion of stainless steel plate winding, a spiral helicine seam can be formed in the outside of stainless steel coating layer, with a stainless steel strip along described seam spiral winding so that seam be covered.The utility model employs brand-new pipeline corrosion protection structure, by being used as anticorrosive coat using stainless steel material inside and outside pipeline matrix, the antiseptic property of pipeline is not only effectively improved, and greatly reduces the technology difficulty of pipeline connection and shortens construction period.
Description
Technical field
The utility model belongs to plumbing equipment field, more particularly to a kind of inside and outside bilateral stainless steel corrosion-resistant supplying drainage
Road.
Background technology
Water supply and sewerage pipeline is a kind of equipment for liquid transportation commonly used in the field such as municipal works and industrial production.Existing skill
The water supply and sewerage pipeline used in art is made by common carbon steel, because the corrosion resistance of this material is poor, it is therefore desirable to right
Water supply and sewerage pipeline carries out preservative treatment.In the prior art, the outside of water supply and sewerage pipeline is generally using three layers of PE anticorrosion structures：First
Layer epoxy powder (FBE ＞ 100um)；Second layer adhesive (AD) 170~250um；Third layer polyethylene (PE) 2.5~3.7mm.
Three kinds of materials combine together, and with steel pipe strong bonded formation pipeline external anti-corrosion layer.The inner side of water supply and sewerage pipeline is generally used
The mode of spraying epoxy powder carries out anti-corrosion.However, above-mentioned corrosion-proof technology for pipeline exist shorter service life, abrasion-resistance and
The problem of resistance to light that wears no resistance is poor.In addition, when being welded to the anti-corrosion pipeline of use said structure, welding high temperature meeting
The inside and outside anticorrosive coating of pipeline is destroyed, the pipeline after construction anti-corrosion short slab is occurred, and then substantially reduce the overall anti-corrosive properties of pipeline
Can, in order to solve this problem, it is necessary to carry out complicated anticorrosion process processing to the junction of two pipelines, therefore, technique is difficult
Degree is big, long construction period.
The content of the invention
The utility model provides a kind of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline, it is therefore intended that：By to existing
Pipeline corrosion protection structure in technology is improved, and realizes extension pipeline service life, reduction pipeline construction technology difficulty and shortening
The effect in pipeline construction cycle.
The technical problem that the utility model is solved is to be achieved through the following technical solutions：
The utility model provides a kind of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline, including the pipeline base that carbon steel is made
It is provided with the inside of body, described pipeline matrix on the outside of stainless steel inner lining layer, pipeline matrix and is provided with stainless steel coating layer,
On the end face of pipeline, stainless steel inner lining layer and stainless steel coating layer are weldingly connected with pipeline matrix.
Described stainless steel inner lining layer is made up of gapless stainless steel tube.Described stainless steel coating layer by strip stainless steel
Plate is formed along described pipeline matrix spiral winding, after the completion of stainless steel plate winding, outside shape of the meeting in stainless steel coating layer
Into a spiral helicine seam, with a stainless steel strip along described seam spiral winding so as to which seam be covered, it is described not
Rust steel bar is fixed on described seam crossing by stainless steel bonded adhesives.Bar is provided with the both sides of the edge of described stainless steel plate
Shape is raised, and the length direction of strip projected parts is parallel with the side of stainless steel plate.Described stainless steel plate and stainless steel strip spiral is twined
Around when lead angle be 15-25 °, the width of stainless steel plate is 50-60cm.
The utility model additionally provides a kind of manufacture method of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline, this method
For manufacturing the inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline as described in foregoing any claim, this method includes as follows
Step：
A, a pipeline matrix and a gapless stainless steel tube are taken, gapless stainless steel tube is inserted into pipeline matrix, pipeline base
The internal diameter of body and the external diameter of gapless stainless steel tube are gap fit dimension；
B, by end cover by after the sealing of the two ends of gapless stainless steel tube, by the water filling port on end cap into annular seal space
Water under high pressure is injected, under the pressure effect of water under high pressure, gapless stainless steel tube outwards extends expansion, so as to be attached to pipeline matrix
On inwall, sealing also can be compressed using end face using grafting sealing between end cover and gapless stainless steel tube.
C, one end of one end of the stainless steel plate of strip and pipeline matrix is weldingly connected, then rotated pipe matrix, from
And stainless steel plate is spirally wound on the outside of pipeline matrix, it is after the completion of stainless steel plate winding, it is another with pipeline matrix
End is weldingly connected, and completes the winding working procedure of stainless steel plate；
D, by stainless steel strip along the seam spiral winding on the outside of stainless steel coating layer, while winding, in stainless steel strip
Stainless steel bonded adhesives is filled between stainless steel plate；
E, with cutting tool and milling tools the two ends of pipeline are rested and reorganized, make its smooth, so far complete all manufactures
Process.
The beneficial effects of the utility model are：The utility model employs brand-new pipeline corrosion protection structure, by pipeline
The antiseptic property of pipeline is not only effectively improved as anticorrosive coat using stainless steel material inside and outside matrix, and significantly
Reduce the technology difficulty of pipeline connection and shorten construction period.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial enlarged drawing at A in Fig. 1；
Fig. 3 is the view in transverse section of described stainless steel plate.
In figure：1- pipeline matrixes, 2- stainless steel coating layers, 3- stainless steel inner linings layer, 4- strip projected parts, 5- stainless steel strips,
6- circular welds, 7- end covers, 8- water filling ports, 9- seams.
Embodiment
The utility model is described further below in conjunction with accompanying drawing：
Embodiment：
A kind of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline described in the utility model, its structure is made including carbon steel
Pipeline matrix 1, the inner side of described pipeline matrix 1 is provided with stainless steel inner lining layer 3, and the outside of pipeline matrix 1 is provided with not
Become rusty ladle coating 2, on the end face of pipeline, and stainless steel inner lining layer 3 and stainless steel coating layer 2 are weldingly connected with pipeline matrix 1,
The circular weld 6 of weld formation full weld.
The utility model uses stainless steel material as anticorrosive coat inside and outside pipeline, can be to inside and outside pipeline two
Side carries out reliable anti-corrosion, compared with using three PE anticorrosion structures, not only with more preferable wearability and resistance to ag(e)ing, Er Qieshi
Work technique is simpler, and construction is time-consuming shorter, more efficient.Specifically：
1st, compared with PE materials, stainless steel will not the aging with the increase of service life, also will not sunlight again irradiation
Lower aging, therefore, the service life of stainless steel anticorrosive coat is longer.
2nd, compared with PE materials, stainless steel has higher hardness, therefore with more preferable erosive wear resistance, so as to enter one
Step improves the service life of anticorrosive coat.
3rd, compared with PE materials, stainless steel has more preferable corrosion resistance (in fact, corrosion resistance is stainless steel material
Most important performance), so as to further improve the service life of anticorrosive coat.
4th, the PROCESS FOR TREATMENTs such as carburizing, surfacing are carried out by the surface to stainless steel, the corrosion-resistant of stainless steel surfaces can be improved
Property and hardness so that further improve stainless steel anticorrosive coat anti-wear performance and erosive wear resistance.
5th, it is necessary to which the pipeline welding by length for 12 meters of full-length is connected during pipeline construction.Using three PE anti-corrosion knots
During structure, the high temperature that welding is produced can scaling loss anticorrosive coat (inside and outside anticorrosive coating all can scaling loss), in order to avoid occurring in pipeline junction
The short slab of antiseptic property inside and outside pipeline, it is necessary to carry out single preservative treatment at butt welding mouth, and this preservative treatment
Not only complex process, technical difficulty is big, and the activity duration is long, has seriously dragged slowly efficiency of construction.It is different from PE materials, it is stainless
Steel has resistant to elevated temperatures feature, thus will not be burnt in welding, the problem of anticorrosive coat is destroyed would not also occurs.Cause
This, the process complexity and difficulty of construction when pipeline is connected can be effectively reduced using stainless steel as anticorrosive coat, also can be significantly
Shorten the activity duration, improve operating efficiency.
Described stainless steel inner lining layer 3 is made up of gapless stainless steel tube.Gapless stainless steel tube ensure that stainless steel inner lining layer 3
Side wall on there is no gap, so as to ensure that the integrality of interior anticorrosive coat, eliminate anti-corrosion short slab.
Described stainless steel coating layer 2 is formed by the stainless steel plate of strip along the described spiral winding of pipeline matrix 1, no
The structure type of this winding of rust ladle coating 2 has the advantages that other structures form is incomparable：
The technological principle of this structure type is：One end of the stainless steel plate of strip is first welded on the one of pipeline matrix 1
End, then makes the stainless steel plate of strip be wrapped in the outside of pipeline matrix 1 by rotating pipe matrix 1, and stainless steel plate has been wound
Cheng Hou, the other end of itself and pipeline matrix 1 is weldingly connected, so as to complete the winding working procedure of stainless steel plate, forms stainless ladle
Coating 2.When continuously being produced, only need repetition " welding --- winding --- welding " these three work steps that quick life can be achieved
Production, compared with other structures form, production efficiency is greatly improved.
After the completion of stainless steel plate winding, a spiral helicine seam 9 can be formed in the outside of stainless steel coating layer 2, with one
Stainless steel strip 5 is along the described spiral winding of seam 9 so as to which seam 9 be covered, and described stainless steel strip 5 is bonded by stainless steel
Glue is fixed at described seam 9.Either when pipeline is connected, or in broken pipe repair process, on anticorrosive coat
There is anti-corrosion clear area to be required to carry out single preservative treatment, the handling process used in the prior art is to smear epoxy resin
Or other anti-corrosion materials, this handling process the disadvantage is that, pipeline is metal material in itself, and the anti-corrosion material such as epoxy resin
It is non-metallic material, adhesive strength during the two bonding is difficult to ensure that, after especially tangible pipeline rising-heat contracting-cold, it is easier to mend
Plus anticorrosive coat and pipeline the problem of depart from itself, so as to influence corrosion-resistant validity.And in the utility model, it is empty as anti-corrosion
Process of the prior art is not used at the seam 9 in white area, but uses stainless steel strip 5 to be used as and adds corrosion-resistant material
Material, stainless steel strip 5 and pipeline are iron and steel material quality in itself, therefore the two thermal stretching rate is also very close, meanwhile, stainless steel bonding
The adhesive strength of glue is much bigger compared with epoxy resin, therefore, using being sealed at the abutment joint 9 of stainless steel strip 5, will not go out
The problem of anti-corrosion material now added departs from itself with pipeline.In addition, stainless steel strip 5 is wound around on pipeline, this causes stainless
Steel bar 5 is braced in the outside of pipeline, the difficulty that stainless steel strip 5 departs from pipeline is further increased, so as to prevent anti-corrosion blank
Area occurs again.
Be provided with strip projected parts 4 at the both sides of the edge of described stainless steel plate, the length direction of strip projected parts 4 with it is stainless
The side of steel plate is parallel.The effect of strip projected parts 4 has two, on the one hand, strip projected parts 4 can be when pipeline be produced to stainless steel strip
5 installation is guided, and is easy to the Fast Installation of stainless steel strip 5, so as to improve production efficiency；On the other hand, strip projected parts 4 can
The formation of stainless steel strip 5 is protected in the transporting of pipeline, mobile and installation process, prevents that stainless steel strip 5 from being collided with damage.
In actual production, it is necessary to by the lead angle limitation of stainless steel plate and stainless steel strip 5 within the specific limits, former
Because being：If lead angle is excessive, the length of seam 9 is long, can increase man-hour when seam 9 is handled；If lead angle mistake
Greatly, then difficulty of construction during winding stainless steel plate can be increased, therefore, lead angle is set in 15-25 ° of model by the utility model
In enclosing, the width of stainless steel plate is set in the range of 50-60cm.
The utility model additionally provides a kind of manufacture method of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline, this method
For manufacturing the inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline as described in foregoing any claim, this method includes as follows
Step：
A, a pipeline matrix 1 and a gapless stainless steel tube are taken, gapless stainless steel tube is inserted into pipeline matrix 1, pipeline
The internal diameter of matrix 1 and the external diameter of gapless stainless steel tube are gap fit dimension.Gap fit dimension by pipeline matrix 1 and it is seamless not
The fit clearance of rust steel pipe is limited in the dimensional fits margin of tolerance of the tolerance fit table of standard, so that the two can enter
Row insertion coordinates, and does not have very big fit clearance, so as to reduce the difficult sealing between end cover 7 and gapless stainless steel tube
Degree.
B, by end cover 7 by after the sealing of the two ends of gapless stainless steel tube, by the water filling port 8 on end cover 7 to
Injection water under high pressure in annular seal space, under the pressure effect of water under high pressure, gapless stainless steel tube outwards extends expansion, so as to be attached to pipe
On the inwall of road matrix 1, stainless steel inner lining layer 3 is formed.Gapless stainless steel tube is set to be attached to pipeline base by the pressure effect of water
On the inwall of body 1, technological principle and tooling device are all very simple, the adhesive strength of stainless steel inner lining layer 3 and pipeline matrix 1
It can guarantee that.Sealing also can be compressed using end face using grafting sealing between end cover 7 and gapless stainless steel tube.
C, one end of one end of the stainless steel plate of strip and pipeline matrix 1 is weldingly connected, then rotated pipe matrix 1,
So that stainless steel plate is spirally wound on the outside of pipeline matrix, it is after the completion of stainless steel plate winding, it is another with pipeline matrix 1
One end is weldingly connected, so as to complete the winding working procedure of stainless steel plate, forms stainless steel coating layer 2.Described stainless steel coating layer 2
Formed by the stainless steel plate of strip along the described spiral winding of pipeline matrix 1, during production, first by the one of the stainless steel plate of strip
End is welded on one end of pipeline matrix 1, then the stainless steel plate of strip is wrapped in pipeline matrix 1 by rotating pipe matrix 1
Outside, after the completion of stainless steel plate winding, the other end of itself and pipeline matrix 1 is weldingly connected, so as to complete stainless steel plate
Winding working procedure, forms stainless steel coating layer 2.When continuously being produced, only need to repeat " welding --- winding --- weld " this three
Individual work step is that quick production can be achieved, and compared with other structures form, production efficiency is greatly improved.
D, the spiral winding of seam 9 by stainless steel strip 5 along the outside of stainless steel coating layer 2, while winding, in stainless steel
Stainless steel bonded adhesives is filled between bar 5 and stainless steel plate, so that stainless steel strip 5 to be bonded in the outside of stainless steel coating layer 2.
E, with cutting tool and milling tools the two ends of pipeline are rested and reorganized, make its smooth, so far complete all manufactures
Process.
The utility model employs brand-new pipeline corrosion protection structure, by using stainless inside and outside pipeline matrix 1
Steel material not only effectively improves the antiseptic property of pipeline as anticorrosive coat, and it is difficult to greatly reduce the technique of pipeline connection
Spend and shorten construction period.
Claims (2)
1. a kind of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline, including the pipeline matrix (1) that carbon steel is made, its feature exist
In：Stainless steel inner lining layer (3) is provided with the inside of described pipeline matrix (1), pipeline matrix is provided with stainless steel on the outside of (1)
Clad (2), on the end face of pipeline, stainless steel inner lining layer (3) and stainless steel coating layer (2) are welded with pipeline matrix (1)
It is connected；Described stainless steel inner lining layer (3) is made up of gapless stainless steel tube；Described stainless steel coating layer (2) by strip not
Rust steel plate is formed along described pipeline matrix (1) spiral winding, can be in stainless steel coating layer after the completion of stainless steel plate winding
(2) outside forms a spiral helicine seam (9), with a stainless steel strip (5) along described seam (9) spiral winding so as to
By seam (9) covering, described stainless steel strip (5) is fixed on described seam (9) place by stainless steel bonded adhesives；It is described not
Strip projected parts (4) are provided with the both sides of the edge of rust steel plate, the length direction of strip projected parts (4) and the side of stainless steel plate are flat
OK.
2. a kind of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline according to claim 1, it is characterised in that：Described
Lead angle when stainless steel plate and stainless steel strip (5) spiral winding is 15-25 °, and the width of stainless steel plate is 50-60cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720217009.7U CN206513955U (en) | 2017-03-08 | 2017-03-08 | A kind of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720217009.7U CN206513955U (en) | 2017-03-08 | 2017-03-08 | A kind of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline |
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| CN206513955U true CN206513955U (en) | 2017-09-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764110A (en) * | 2017-03-08 | 2017-05-31 | 大庆新管科技有限公司 | A kind of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline and its manufacture method |
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2017
- 2017-03-08 CN CN201720217009.7U patent/CN206513955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764110A (en) * | 2017-03-08 | 2017-05-31 | 大庆新管科技有限公司 | A kind of inside and outside bilateral stainless steel corrosion-resistant water supply and sewerage pipeline and its manufacture method |
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