CN107023729A - A kind of Double-metal composite elbow pipe fitting - Google Patents
A kind of Double-metal composite elbow pipe fitting Download PDFInfo
- Publication number
- CN107023729A CN107023729A CN201710409000.0A CN201710409000A CN107023729A CN 107023729 A CN107023729 A CN 107023729A CN 201710409000 A CN201710409000 A CN 201710409000A CN 107023729 A CN107023729 A CN 107023729A
- Authority
- CN
- China
- Prior art keywords
- set casing
- pipe fitting
- elbow
- fixed body
- double
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002905 metal composite material Substances 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 22
- 239000010935 stainless steel Substances 0.000 description 12
- 229910001220 stainless steel Inorganic materials 0.000 description 12
- 229910000975 Carbon steel Inorganic materials 0.000 description 8
- 239000010962 carbon steel Substances 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
- F16L43/001—Bends; Siphons made of metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
- F16L43/02—Bends; Siphons adapted to make use of special securing means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of Double-metal composite elbow pipe fitting, it is related to a kind of chemical industry conveyance conduit field.Including outer layer, internal layer, fixing device, pipe fitting；Described outer layer includes first half-shell elbow, the second half-shell elbow, and described first half-shell elbow is fixedly connected with the second half-shell elbow with internal layer, and described fixing device includes fixed body, the first set casing, the second set casing, swivel bolt；Described fixed body is that T-shaped centre is provided with cylindrical type pore space structure, the first described set casing and the second set casing are located at the both sides of T-shaped lower end respectively, and can moving in the radial direction in fixed body, described fixed body excircle is provided with boss, and described swivel bolt is connected with the first set casing and the second set casing respectively by the boss of fixed body.The device can prevent from causing corrosion in course of conveying, and reduce manufacturing cost, connection fastening.
Description
Technical field
The present invention relates to a kind of chemical industry output channel field, and in particular to a kind of Double-metal composite elbow pipe fitting.
Background technology
As national oil chemical industry, coal chemical industry are continued to develop, plumbing installation scale expands therewith, big to pipe diameter
It is larger in 1200 ㎜ heavy caliber weld ell demand.Elbow be the industrial pipelines such as oil, chemical industry important composition component it
One, generally, making the material of elbow has carbon steel, steel alloy, stainless steel.According to its pipeline medium, appropriate material is selected.
If need to typically select stainless steel material for the pipeline for conveying acid-base material, using stainless steel pipes, its throwing time cost is higher,
And existing elbow junction time length loosens unavoidably, can cause numerous unnecessary consequences.
The content of the invention
It is it is an object of the invention to provide a kind of Double-metal composite elbow pipe fitting, i.e., curved to solve the deficiencies in the prior art
The matrix material of head tube part is carbon steel, and the inwall of bend pipe tools is combined a kind of stainless steel material.Bimetallic bend pipe tools have not
The corrosion resistance and higher intensity of rust steel, can substitute all steel elbow, have certain advantage at energy-saving aspect,
Manufacturing cost height, the generation for the problems such as connection loosens can effectively be solved.
In order to realize above-mentioned target, the present invention is adopted the following technical scheme that：
A kind of Double-metal composite elbow pipe fitting, including, outer layer, internal layer, fixing device, pipe fitting；Described outer layer includes the first half
Shell elbow, the second half-shell elbow, described first half-shell elbow are fixedly connected with the second half-shell elbow with internal layer, and described consolidates
Determining device includes fixed body, the first set casing, the second set casing, swivel bolt；Described fixed body is T-type structure and centre is set
There is cylindrical type hole, the first described set casing and the second set casing are located at the both sides of T-shaped lower end respectively, and can be in fixed body
Move in the radial direction, described fixed body excircle is provided with boss, the boss that described swivel bolt passes through fixed body
It is connected respectively with the first set casing and the second set casing, described outer layer is the outer layer that carbon steel is material, described internal layer is
Stainless steel is the internal layer of material.
Further, the bending radius of pipe fitting is 1.8 times of outer layer maximum gauge.
Further, the bent angle alpha of pipe fitting is 45 °, 60 °, 90 °.
Further, first half-shell elbow carries out longitudinal measure with the junction of the second half-shell elbow and is connected.
Further, the two ends of pipe fitting are respectively arranged with identical fixing device.
Further, the minimum diameter of the first set casing is equal with the maximum gauge of the second set casing.
Further, the perpendicular bisector of the perpendicular bisector of the first set casing and the second set casing is located at same straight line
It is interior, and the first set casing outer surface on the perpendicular bisector of the second set casing outer surface with being equipped with swivel bolt.
It is of the present utility model to be beneficial in that：
1）Pipe fitting is made of bi-material layers, and outer layer is carbon steel, and internal layer is stainless steel material, is ensureing etch-proof while again
It can guarantee that the robustness and stability of device.
2）Fixing device is provided with the two ends of pipe fitting, makes the connection of pipe fitting and pipe fitting, or pipe fitting and pipeline connection more
Plus firmly, prevent from coming off and cause unnecessary loss.
3）The radius of curvature R of bend pipe tools is outer layer diameter D 1.8D, is curved compared to radius of curvature R conventional at present
Head diameter D 1D, 1.5D elbow is compared, and its circulating resistance is smaller, and the material such as conveying oil gas, soda acid is more smooth.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the profile of pipe fitting otch of the present invention；
Fig. 3 is the sectional view of fixing device of the present invention；
The implication of reference in figure：
1 it is outer layer, 2 be internal layer, 3 be first half-shell elbow, 4 be the second half-shell elbow, 5 be fixed body, 6 is the first set casing, 7
It is swivel bolt for the second set casing, 8,9 is pipe fitting.
Embodiment
With reference to embodiment and accompanying drawing, the present invention will be further described and explanation, but does not limit this in any form
Invention.
Embodiment
A kind of Double-metal composite elbow pipe fitting, it is characterised in that：Including outer layer 1, internal layer 2, fixing device, pipe fitting 9；It is described
Outer layer 1 include first half-shell elbow 3, the second half-shell elbow 4, the described half-shell elbow 4 of first half-shell elbow 3 and second with
Internal layer 2 is fixedly connected, and described fixing device includes fixed body 5, the first set casing 6, the second set casing 7, swivel bolt 8；Institute
The fixed body 5 stated is T-type structure and middle provided with cylindrical type hole, the first described set casing 6 and the second set casing 7 difference position
Both sides in T-shaped lower end, and can moving in the radial direction in fixed body 5, the described excircle of fixed body 5 is provided with convex
Platform, described swivel bolt 8 is connected with the first set casing 6 and the second set casing 7 respectively by the boss of fixed body 5, described
Outer layer 1 is the outer layer 1 that carbon steel is material, and described internal layer 2 is the internal layer 2 that stainless steel is material.
The matrix material of bend pipe tools is carbon steel, and internal layer 2 is combined a layer thickness for 2~3 ㎜ stainless steel materials.What is be made is curved
Head pipe fitting inner wall has the decay resistance with identical stainless steel material, and bend pipe tools bearing capacity and intensity are by the material of outer layer 1
Ensure.The material of outer layer 1 is generally conventional carbon steel, and the material of internal layer 2 is generally stainless steel material.
The radius of curvature R of bend pipe tools is the diameter D of outer layer 1 1.8D, straight for elbow compared to radius of curvature R conventional at present
Footpath D 1D, 1.5D elbow is compared, and its circulating resistance is smaller, and the material such as conveying oil gas, soda acid is more smooth.
The bent angle alpha of bend pipe tools can be any angle in 45 °, 60 °, 90 °.
The object of the present invention is achieved like this：A kind of Double-metal composite elbow, including at normal temperatures, using compression molding
Method, first half-shell elbow 3, the second half-shell elbow 4 are molded into by bimetallic clad steel plate material, through trimming, group to, be welded into
Double-metal composite elbow, and first half-shell elbow 3 carries out longitudinal measure with the junction of the second half-shell elbow 4 and is connected, it is curved
The material of outer layer 1 of head is carbon steel, and the material of internal layer 2 is stainless steel.
The 4 groups of welding methods to weld seam of half-shell elbow of first half-shell elbow 3 and second are to use pipeline automatic welding connection device
Welded, the welder is configured with inductor, automatically adjusts welded gaps.Two half-shell elbow welding bevel angles are
65 °, the internal layer 2 of weld seam is welded using with the stainless steel welding stick that composite material matches, and makes it have decay resistance；Outer layer
1 weld seam is used and welded with the wlding that matrix material matches, it is ensured that weld strength is identical with matrix material.
The 1.8D that the radius of curvature R of the elbow of welding shaping is elbow diameter D, elbow both ends use machine cut
The method of processing, end welding processing is into groove.
Fixing device is arranged on the two ends of pipe fitting 9, makes the first set casing 6 and the second set casing 7 by rotating swivel bolt 8
Move inward, and then the fixed pipeline or bend pipe tools being connected with each other, effectively prevent the junction of pipeline or bend pipe tools from going out
Existing problem.
In the description of scheme, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", " preceding ",
The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on
Orientation shown in the drawings or position relationship, are for only for ease of description this programme and simplify description, rather than indicate or imply institute
The device or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this hair
Bright limitation.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relatively important
Property.
, it is necessary to illustrate in the description of this programme, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in side
Concrete meaning in case.
Technological means disclosed in this programme is not limited only to the technological means disclosed in above-mentioned embodiment, in addition to by with
Upper technical characteristic is combined constituted technical scheme.It should be pointed out that for those skilled in the art,
On the premise of this programme principle is not departed from, some improvements and modifications can also be made, these improvements and modifications are also considered as we
The protection domain of case.
Claims (7)
1. a kind of Double-metal composite elbow pipe fitting, it is characterised in that：Including outer layer（1）, internal layer（2）, fixing device, pipe fitting（9）；
Described outer layer（1）Including first half-shell elbow（3）, the second half-shell elbow（4）, described first half-shell elbow（3）With second
Half-shell elbow（4）And internal layer（2）It is fixedly connected, described fixing device includes fixed body（5）, the first set casing（6）, second
Set casing（7）, swivel bolt（8）；Described fixed body（5）For T-type structure and middle it is provided with cylindrical type hole, described first
Set casing（6）With the second set casing（7）It is located at the both sides of T-shaped lower end respectively, and can be in fixed body（5）Progress in the radial direction
Mobile, described fixed body（5）Excircle is provided with boss, described swivel bolt（8）Pass through fixed body（5）Boss respectively with
First set casing（6）With the second set casing（7）It is connected, described outer layer（1）For the outer layer that carbon steel is material（1）, it is described
Internal layer（2）For the internal layer that stainless steel is material（2）.
2. a kind of Double-metal composite elbow pipe fitting according to claim 1, it is characterised in that described pipe fitting（9）It is curved
Bilge radius are outer layer（1）1.8 times of maximum gauge.
3. a kind of Double-metal composite elbow pipe fitting according to claim 1, it is characterised in that described pipe fitting（9）It is curved
Bent angle [alpha] is 45 ° or 60 ° or 90 °.
4. a kind of Double-metal composite elbow pipe fitting according to claim 1, it is characterised in that described first half-shell elbow
（3）With the second half-shell elbow（4）Junction carry out longitudinal measure connection.
5. a kind of Double-metal composite elbow pipe fitting according to claim 1, it is characterised in that described pipe fitting（9）Two
End is respectively arranged with identical fixing device.
6. a kind of Double-metal composite elbow pipe fitting according to claim 1, it is characterised in that the first described set casing
（6）Minimum diameter and the second set casing（7）Maximum gauge it is equal.
7. a kind of Double-metal composite elbow pipe fitting according to claim 1, it is characterised in that the first described set casing
（6）Perpendicular bisector and the second set casing（7）Perpendicular bisector be located in same straight line, and the first set casing（6）
Outer surface and the second set casing（7）Swivel bolt is equipped with the perpendicular bisector of outer surface（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710409000.0A CN107023729A (en) | 2017-06-02 | 2017-06-02 | A kind of Double-metal composite elbow pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710409000.0A CN107023729A (en) | 2017-06-02 | 2017-06-02 | A kind of Double-metal composite elbow pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107023729A true CN107023729A (en) | 2017-08-08 |
Family
ID=59529037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710409000.0A Pending CN107023729A (en) | 2017-06-02 | 2017-06-02 | A kind of Double-metal composite elbow pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107023729A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100987014B1 (en) * | 2010-05-17 | 2010-10-11 | 주식회사 휴비코 | Break-away pressure ring for coated steel pipe |
| CN202349482U (en) * | 2011-11-01 | 2012-07-25 | 西安向阳航天材料股份有限公司 | Two-end metallurgy mechanical double-metal composite bent pipe |
| CN202349483U (en) * | 2011-11-01 | 2012-07-25 | 西安向阳航天材料股份有限公司 | Stamping type bimetallic composite bend pipe |
| CN103383029A (en) * | 2013-06-26 | 2013-11-06 | 洛阳凯诺知识产权咨询服务有限公司 | Pipeline connects device soon |
| CN205716186U (en) * | 2016-06-20 | 2016-11-23 | 李菊员 | A kind of clamping hoop type fast-assembling stainless steel bend pipe fitting |
| CN206943664U (en) * | 2017-06-02 | 2018-01-30 | 江苏兴洋管业股份有限公司 | A kind of Double-metal composite elbow pipe fitting |
-
2017
- 2017-06-02 CN CN201710409000.0A patent/CN107023729A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100987014B1 (en) * | 2010-05-17 | 2010-10-11 | 주식회사 휴비코 | Break-away pressure ring for coated steel pipe |
| CN202349482U (en) * | 2011-11-01 | 2012-07-25 | 西安向阳航天材料股份有限公司 | Two-end metallurgy mechanical double-metal composite bent pipe |
| CN202349483U (en) * | 2011-11-01 | 2012-07-25 | 西安向阳航天材料股份有限公司 | Stamping type bimetallic composite bend pipe |
| CN103383029A (en) * | 2013-06-26 | 2013-11-06 | 洛阳凯诺知识产权咨询服务有限公司 | Pipeline connects device soon |
| CN205716186U (en) * | 2016-06-20 | 2016-11-23 | 李菊员 | A kind of clamping hoop type fast-assembling stainless steel bend pipe fitting |
| CN206943664U (en) * | 2017-06-02 | 2018-01-30 | 江苏兴洋管业股份有限公司 | A kind of Double-metal composite elbow pipe fitting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qi Xiaoyong Inventor after: Chen Linyu Inventor after: Liu Qiang Inventor after: Wan Wan Li Inventor after: Fan Maoxiang Inventor after: Wang Huaming Inventor before: Qi Xiaoyong Inventor before: Chen Linyu Inventor before: Liu Qiang Inventor before: Wan Wan Li Inventor before: Fan Maoxiang |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170808 |