CN204062187U - Flowing medium piping reducer pipe and steam-water pipeline - Google Patents
Flowing medium piping reducer pipe and steam-water pipeline Download PDFInfo
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- CN204062187U CN204062187U CN201420450236.0U CN201420450236U CN204062187U CN 204062187 U CN204062187 U CN 204062187U CN 201420450236 U CN201420450236 U CN 201420450236U CN 204062187 U CN204062187 U CN 204062187U
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- reducer pipe
- flowing medium
- medium piping
- piping reducer
- diameter portion
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 100
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000003466 welding Methods 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a kind of flowing medium piping reducer pipe and steam-water pipeline, form inwardly protruded varying diameter portion (1) in the inwall of the tube chamber of described flowing medium piping reducer pipe, the caliber of the tube chamber in described varying diameter portion (1) is less than the caliber of the tube chamber of described varying diameter portion (1) both sides.Traditional is advanced through the change of pipe fitting inner wall caliber by the change of pipe fitting outer wall caliber and keeps pipe fitting outer wall caliber constant by this flowing medium piping reducer pipe, carrys out the ability that the bearing capacity of the varying diameter portion of enhanced flow moving medium piping reducer pipe, opposing additional external force and stress are concentrated.
Description
Technical field
The utility model relates to electric power, oil, chemical industry and water supply and sewage work field, particularly, relates to a kind of flowing medium piping reducer pipe and has the steam-water pipeline of described flowing medium piping reducer pipe.
Background technique
In the production of electric power, oil, chemical industry and water supply and sewage work etc., the pipeline of metal or composite material all can be utilized to carry required medium.The flowing of medium in pipeline can cause pipeline vibration in various degree because of the difference of operating mode, this vibration is that the flow velocity of medium is very fast, the pressure produced causes more greatly, easily generation stress is concentrated and is waited negative effect in the case, when the negative effect vibrated as stress to concentrate etc. exceed ultimate strength or the fatigue limit of pipe fitting time, pipe fitting will be caused than plan premature failure in safe period, therefore the version with regard to pipe fitting is improved pipe fitting, protective conduit can be played due to reducer pipe fitting and control the effect of flow, therefore reducer pipe fitting is usually adopted to control flow velocity and the pressure of flowing medium in pipeline, but reducing position many employings welding fabrication of traditional reducer pipe fitting, make reducer pipe fitting in use its bearing capacity, the ability that opposing additional pressure and stress are concentrated dies down.
Model utility content
The purpose of this utility model is to provide a kind of flowing medium piping reducer pipe and steam-water pipeline, this flowing medium piping reducer pipe can improve the ability that the bearing capacity at reducing position, opposing additional pressure and stress are concentrated, thus ensures the reliability of steam-water pipeline safe operation.
To achieve these goals, according to one side of the present utility model, provide a kind of flowing medium piping kind reducer pipe, form protruding varying diameter portion in the inwall of the tube chamber of described flowing medium piping reducer pipe, the caliber of the tube chamber in described varying diameter portion is less than the caliber of the tube chamber of described varying diameter portion both sides.
Preferably, described varying diameter portion is annular boss, and this annular boss is formed on the described inwall of described flowing medium piping reducer pipe.
Preferably, the two ends of described flowing medium piping reducer pipe are formed with joint.
Preferably, described joint is adpting flange.
Preferably, described joint is draw-in groove, and this draw-in groove is formed on the outer circumferential face of the end of described flowing medium piping reducer pipe.
Preferably, described joint is the bevel for welding on the peripheral part of the end face being positioned at described flowing medium piping reducer pipe, and this bevel for welding is formed as the annular slope tilted towards the intermediate portion of described flowing medium piping reducer pipe.
In addition, according to another aspect of the present utility model, provide a kind of steam-water pipeline, described steam-water pipeline comprises the multiple pipeline sections connected successively, and at least one pipeline section in described multiple pipeline section is the above-mentioned flowing medium piping reducer pipe of the utility model.
Preferably, the end of described flowing medium piping reducer pipe is provided with adpting flange, the end of the described pipeline section docked to the described end of described flowing medium piping reducer pipe is provided with corresponding abutted flange, and described adpting flange and described abutted flange are fastenedly connected by multiple fastening piece.
Preferably, the outer circumferential face of the end of described flowing medium piping reducer pipe is provided with draw-in groove, the end of the described pipeline section docked with the described end of described flowing medium piping reducer pipe is provided with corresponding draw-in groove, is fastenedly connected between described flowing medium piping reducer pipe and described pipeline section by the clip be connected on two described draw-in grooves.
Preferably, the peripheral part of the end face of described flowing medium piping reducer pipe is formed with bevel for welding, described bevel for welding is formed as the annular slope tilted towards the intermediate portion of described flowing medium piping reducer pipe, the end face of the described pipeline section docked to the described end of described flowing medium piping reducer pipe is formed with corresponding described bevel for welding, and described flowing medium piping reducer pipe and described pipeline section are welded as a whole at described bevel for welding place.
By technique scheme, a kind of flowing medium piping reducer pipe that the utility model provides, form inwardly protruded varying diameter portion in the inwall of the tube chamber of flowing medium piping reducer pipe, the caliber of the tube chamber in varying diameter portion is less than the caliber of the tube chamber of varying diameter portion both sides.Traditional is advanced through the change of pipe fitting inner wall caliber by the change of pipe fitting outer wall caliber and keeps pipe fitting outer wall caliber constant by this flowing medium piping reducer pipe, carry out the bearing capacity of the varying diameter portion of enhanced flow moving medium piping reducer pipe, the ability that opposing additional external force and stress are concentrated, particularly, by the inwall inwardly protruding of the tube chamber of flowing medium piping reducer pipe, the caliber of the tube chamber in varying diameter portion is made to be less than the caliber of the tube chamber of varying diameter portion both sides, thus make the tube wall thickening of varying diameter portion, compared with traditional reducer pipe, substantially increase the bearing capacity of the varying diameter portion of flowing medium piping reducer pipe, the ability that opposing additional external force and stress are concentrated, thus ensure the reliability of steam-water pipeline safe operation.
Other features and advantages of the utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of the flowing medium piping reducer pipe according to a kind of mode of execution of the present utility model;
Fig. 2 is the schematic diagram of the flowing medium piping reducer pipe according to another kind of mode of execution of the present utility model;
Fig. 3 is the schematic diagram of the flowing medium piping reducer pipe according to another mode of execution of the present utility model.
Description of reference numerals
1 varying diameter portion 2 joint
3 annular boss
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the noun of locality of use as " upper and lower " normally for direction shown in the drawings or for each parts mutual alignment relationship description word vertically, on vertical or gravitational direction.
As shown in Figure 1 to Figure 3, the utility model provides a kind of flowing medium piping reducer pipe, and form protruding varying diameter portion 1 in the inwall of the tube chamber of flowing medium piping reducer pipe, the caliber of the tube chamber in varying diameter portion 1 is less than the caliber of the tube chamber of varying diameter portion 1 both sides.Traditional is advanced through the change of pipe fitting inner wall caliber by the change of pipe fitting outer wall caliber and keeps pipe fitting outer wall caliber constant by this flowing medium piping reducer pipe, carrys out the ability that the bearing capacity of the varying diameter portion 1 of enhanced flow moving medium piping reducer pipe, opposing additional external force and stress are concentrated.Particularly, by the inwall inwardly protruding of the tube chamber of flowing medium piping reducer pipe, the caliber of the tube chamber in varying diameter portion 1 is made to be less than the caliber of the tube chamber of varying diameter portion 1 both sides, thus make the tube wall thickening of varying diameter portion 1, compared with traditional reducer pipe, substantially increase the ability that the bearing capacity of the varying diameter portion 1 of flowing medium piping reducer pipe, opposing additional external force and stress are concentrated.
Especially, varying diameter portion 1 is annular boss 3, annular boss 3 is formed on the inwall of flowing medium piping reducer pipe, the external diameter of varying diameter portion 1 is remained unchanged, thickened the inner tubal wall of varying diameter portion 1, thus the ability that the bearing capacity of the varying diameter portion 1 of flowing medium piping reducer pipe, opposing additional external force and stress are concentrated strengthens.
Especially, the two ends of flowing medium piping reducer pipe are formed with joint 2.Flowing medium piping reducer pipe, usually used as transition fitting, needs to be connected with other pipeline section, being thus provided with joint 2 at the two ends of flowing medium piping reducer pipe, using for being connected with other pipeline section.
Joint 2 can be multiple, suitable joint 2 can be selected according to need of production and different operating modes, especially, as shown in Figure 1 to Figure 3, joint 2 can be adpting flange, joint 2 is also for forming the draw-in groove on the outer circumferential face of the end of flowing medium piping reducer pipe, joint 2 also can be the bevel for welding on the peripheral part of the end face being positioned at flowing medium piping reducer pipe, bevel for welding is formed as the annular slope tilted towards the intermediate portion of flowing medium piping reducer pipe, and the shape of common pipeline section joint and structure all can be used in flowing medium piping reducer pipe, do not repeat them here.
In addition, the utility model additionally provides a kind of steam-water pipeline, and steam-water pipeline comprises the multiple pipeline sections connected successively, and at least one in multiple pipeline section is above-mentioned flowing medium piping reducer pipe.By the change of traditional pipe fitting outer wall caliber being advanced through the change of pipe fitting inner wall caliber and keeping pipe fitting outer wall caliber constant, the ability that the bearing capacity of the varying diameter portion 1 of flowing medium piping reducer pipe in steam-water pipeline, opposing additional external force and stress are concentrated improves greatly, thus ensure that the operation that steam-water pipeline is safe and reliable.
Especially, the end of flowing medium piping reducer pipe is provided with adpting flange, and the end of the pipeline section docked to the end of flowing medium piping reducer pipe is provided with corresponding abutted flange, and adpting flange and abutted flange are fastenedly connected by multiple fastening piece.Flange joint is one of interconnective conventional Placement between pipeline section, is especially applicable to pressure higher, the high and connection that is the often flowing medium piping reducer pipe of installing/dismounting of seal request.
Especially, the outer circumferential face of the end of flowing medium piping reducer pipe is provided with draw-in groove, the end of the pipeline section docked with the end of flowing medium piping reducer pipe is provided with corresponding draw-in groove, is fastenedly connected between flowing medium piping reducer pipe and pipeline section by the clip be connected on two draw-in grooves.Clip connected mode has unique flexibility characteristics, makes flowing medium piping reducer pipe have good sealing with the connection of the pipeline section docked, and has the ability of anti-vibration, resisted shrinkage and expansion.
Especially, the peripheral part of the end face of flowing medium piping reducer pipe is formed with bevel for welding, bevel for welding is formed as the annular slope tilted towards the intermediate portion of flowing medium piping reducer pipe, the end face of the pipeline section docked to the end of flowing medium piping reducer pipe is formed with corresponding bevel for welding, and flowing medium piping reducer pipe and pipeline section are welded as a whole at bevel for welding place.By the bevel for welding of flowing medium piping reducer pipe and docking pipeline section bevel for welding by weld splice as a whole, which save the material of flowing medium piping reducer pipe, alleviate the own wt of flowing medium piping reducer pipe, make the structure of flowing medium piping reducer pipe simple, also make flowing medium piping reducer pipe have good sealing with the connection of docking pipeline section.
The Placement of pipeline section is a lot, the effect that the forms such as the flange that above-mentioned flowing medium piping reducer pipe adopts, clip and welding link the ability that the bearing capacity of the varying diameter portion 1 of effect that steam-water pipeline plays and enhanced flow moving medium piping reducer pipe, opposing additional external force and stress are concentrated is suitable, therefore, in steam-water pipeline, flowing medium piping reducer pipe, in processing with when using, can select suitable linkage structure as required.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. a flowing medium piping reducer pipe, it is characterized in that, be formed with protruding varying diameter portion (1) in the inwall of the tube chamber of described reducer pipe, the caliber of the tube chamber in described varying diameter portion (1) is less than the caliber of the tube chamber of described varying diameter portion (1) both sides.
2. flowing medium piping reducer pipe according to claim 1, it is characterized in that, described varying diameter portion (1) is annular boss (3), and this annular boss (3) is formed on the described inwall of described flowing medium piping reducer pipe.
3. flowing medium piping reducer pipe according to claim 1, is characterized in that, the two ends of described flowing medium piping reducer pipe are formed with joint (2).
4. flowing medium piping reducer pipe according to claim 3, is characterized in that, described joint (2) is adpting flange.
5. flowing medium piping reducer pipe according to claim 3, is characterized in that, described joint (2) is draw-in groove, and this draw-in groove is formed on the outer circumferential face of the end of described flowing medium piping reducer pipe.
6. flowing medium piping reducer pipe according to claim 3, it is characterized in that, described joint (2) is for being positioned at the bevel for welding on the peripheral part of the end face of described flowing medium piping reducer pipe, and this bevel for welding is formed as the annular slope tilted towards the intermediate portion of described flowing medium piping reducer pipe.
7. a steam-water pipeline, is characterized in that, described steam-water pipeline comprises the multiple pipeline sections connected successively, and at least one in described multiple pipeline section is for according to the flowing medium piping reducer pipe described in claim 1 to 6.
8. steam-water pipeline according to claim 7, it is characterized in that, the end of described flowing medium piping reducer pipe is provided with adpting flange, the end of the described pipeline section docked to the described end of described flowing medium piping reducer pipe is provided with corresponding abutted flange, and described adpting flange and described abutted flange are fastenedly connected by multiple fastening piece.
9. steam-water pipeline according to claim 7, it is characterized in that, the outer circumferential face of the end of described flowing medium piping reducer pipe is provided with draw-in groove, the end of the described pipeline section docked with the described end of described flowing medium piping reducer pipe is provided with corresponding draw-in groove, is fastenedly connected between described flowing medium piping reducer pipe and described pipeline section by the clip be connected on two described draw-in grooves.
10. steam-water pipeline according to claim 7, it is characterized in that, the peripheral part of the end face of described flowing medium piping reducer pipe is formed with bevel for welding, described bevel for welding is formed as the annular slope tilted towards the intermediate portion of described flowing medium piping reducer pipe, the end face of the described pipeline section docked to the described end of described flowing medium piping reducer pipe is formed with corresponding described bevel for welding, and described flowing medium piping reducer pipe and described pipeline section are welded as a whole at described bevel for welding place.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420450236.0U CN204062187U (en) | 2014-08-11 | 2014-08-11 | Flowing medium piping reducer pipe and steam-water pipeline |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420450236.0U CN204062187U (en) | 2014-08-11 | 2014-08-11 | Flowing medium piping reducer pipe and steam-water pipeline |
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Publication Number | Publication Date |
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CN204062187U true CN204062187U (en) | 2014-12-31 |
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CN201420450236.0U Active CN204062187U (en) | 2014-08-11 | 2014-08-11 | Flowing medium piping reducer pipe and steam-water pipeline |
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2014
- 2014-08-11 CN CN201420450236.0U patent/CN204062187U/en active Active
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