CN217927734U - Bent pipe made of plastic material and used for radioactive waste oil discharge of nuclear power plant - Google Patents
Bent pipe made of plastic material and used for radioactive waste oil discharge of nuclear power plant Download PDFInfo
- Publication number
- CN217927734U CN217927734U CN202222071392.3U CN202222071392U CN217927734U CN 217927734 U CN217927734 U CN 217927734U CN 202222071392 U CN202222071392 U CN 202222071392U CN 217927734 U CN217927734 U CN 217927734U
- Authority
- CN
- China
- Prior art keywords
- channel
- strip
- mounting
- fixed
- shaped
- 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.)
- Active
Links
Images
Landscapes
- Supports For Pipes And Cables (AREA)
Abstract
The utility model discloses a nuclear power plant's radioactive waste oil emission who is made by plastic material uses return bend belongs to plastic material goods field. This return bend includes: installation shell and mounting screw, the passageway chamber that extends along predetermined pitch arc is seted up at the middle part of installation shell, and its outside is rectangle structure four corners and has seted up a plurality of mounting hole, and mounting screw and the mounting hole grafting cooperation of installation shell, the installation shell is made by ABS, PVC, PP or PET material, and at the assembly during operation, mounting screw pass the installation shell with pipe-line system's link spiro union cooperation. The utility model discloses an utilize extremely strong corrosion resisting property of plasticity materials such as ABS, PVC, PP or PET and extremely strong shape to mould the ability, can be under the extremely low condition of cost, the corrosion-resistant special-shaped return bend of large batch production, the special-shaped return bend can directly use mounting screw with installation shell and pipe-line system's link fixed connection, very big reduction the wear rate, when having guaranteed corrosion-resistant, reduced the wear rate.
Description
Technical Field
The utility model belongs to plastic material goods field specifically is the return bend for the emission of nuclear power plant's radioactivity waste oil made by plastic material.
Background
The existing nuclear power plant radioactive waste oil pipeline uses a bent pipe made of a high-cost high-strength corrosion-resistant metal material, the bent pipe and other parts are connected and fixed in a welding mode generally, however, the corrosion resistance of a welding flux used in the welding mode is far lower than that of the bent pipe, so that the problem that a welding part is easily corroded and damaged in use is caused, when the bent pipe which is made of a plastic material with high corrosion resistance is directly used for producing the bent pipe with the shape of the prior art, a fixed pipe clamp is required to be connected with a connecting frame of a pipeline system, a sleeve with a large assembly error is arranged between the fixed pipe clamp and the bent pipe, and when the bent pipe made of a plastic material is large in vibration amplitude under fluid impact, the problem that the connection part of the bent pipe made of the plastic material and the fixed pipe clamp is greatly abraded.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a can guarantee corrosion resistance while, can reduce the return bend of wear rate to solve the above-mentioned problem that prior art exists.
The technical scheme is as follows: the nuclear power plant radioactive waste oil discharge elbow made of plastic material is connected with a connecting frame of a pipeline system and is connected with two straight pipes arranged at a preset angle of the pipeline system.
The elbow includes: the installation shell, its middle part sets up along the passageway chamber that predetermined pitch arc extends, and its outside is rectangle structure four corners and has seted up a plurality of mounting hole.
And the mounting screw is in plug-in fit with the mounting hole of the mounting shell.
The mounting shell is made of ABS, PVC, PP or PET materials.
During assembly, the mounting screws penetrate through the mounting shell and are in threaded fit with the connecting frame of the pipeline system.
In a further embodiment, the mounting housing comprises: the fixing base, fixed passage that its middle part top was seted up and is extended along predetermined pitch arc, and its top edge is seted up a plurality of location axle, and a plurality of mounting hole has been seted up at its four corners.
The bottom end of the middle of the separating block is provided with a separating channel extending along a preset arc line, and the edge of the bottom end of the separating block is provided with a plurality of positioning holes.
And the positioning shaft of the fixing seat is inserted into the positioning hole of the separating block.
The fixing seat is fixedly connected with the separating block in a welding mode.
The fixed passage of fixing base and the separation channel of separator piece constitute the passageway chamber, through being divided into fixing base and separator piece two parts with the installation shell, make the passageway chamber divide into fixed passage and the separation channel with external intercommunication, can facilitate the use mould to carry out the production of installation shell, very big reduction to the shape requirement of mould, improved production efficiency.
In a further embodiment, one side of the fixing seat, which is provided with the fixing channel, is provided with two strip-shaped protruding portions matched with the shape of the fixing channel, and the two strip-shaped protruding portions are respectively located on two sides of the fixing channel.
The separation block is provided with two strip-shaped groove portions matched with the separation channel in shape on one side of the separation channel, and the two strip-shaped groove portions are respectively positioned on two sides of the separation channel.
The strip-shaped protruding parts are matched with the strip-shaped groove parts in a one-to-one corresponding mode.
The strip-shaped protruding portions are in concave-convex inserting fit with the strip-shaped groove portions, and are in concave-convex inserting fit with the strip-shaped groove portions, so that the fixed seat and the separating block are fixedly connected in a welding mode, the welding surface can be increased, the fixing strength can be improved, and the sealing performance can be improved.
In a further embodiment, one side of the fixing seat, which is provided with the fixing channel, is provided with at least four strip-shaped protruding portions matched with the shape of the fixing channel, and two sides of the fixing channel are respectively provided with at least two strip-shaped protruding portions.
The separating block is provided with at least four strip-shaped groove portions matched with the appearance of the separating channel at one side of the separating channel, at least two strip-shaped groove portions are respectively arranged at two sides of the separating channel, and the sealing strength can be further improved by arranging a plurality of strip-shaped protruding portions.
In a further embodiment, two arc-shaped guide plates are arranged in the fixed channel of the fixed seat.
The arc-shaped guide plate extends along the extension direction of the fixed channel, so that the shape of the arc-shaped guide plate is matched with that of the fixed channel.
The height of the arc-shaped guide plate is larger than the inner diameter radius of the fixed channel, so that when fluid reaches the joint of the fixed seat and the separation block, the fluid can be shunted, the fluid flow in contact with a joint is reduced, and the risk of gap expansion is reduced.
In a further embodiment, the elbow further comprises: and the bush is accommodated in the mounting hole of the mounting shell.
The screw comprises an end head part, an optical axis part connected with the end head part and a threaded part connected with one end, far away from the end head part, of the optical axis.
The utility model discloses a pipe bending vibration installation structure, including pipe system, screw portion and bush, the terminal portion is including end portion and installation shell butt, smooth axial region and bush grafting cooperation, screw portion and pipe system's link spiro union cooperation can only make screw and bush produce the friction when the return bend vibrates through setting up the bush, only need when screw and bush wearing and tearing exceed the threshold value change screw and bush can, very big improvement installation shell life, reduced the maintenance cost.
Has the beneficial effects that: the utility model discloses a nuclear power plant's radioactive waste oil emission is with return bend made by plastic materials, through utilizing ABS, PVC, the ability is moulded with extremely strong shape to extremely strong corrosion resisting property of plastic materials such as PP or PET, can be under the extremely low condition of cost, the corrosion-resistant dysmorphism return bend of large batch production, the heterotypic return bend of this application can directly use the link fixed connection that mounting screw will install shell and pipe-line system, compare with the technique that prior art used the fixed pipe strap and have the advantage that assembly error is little, the vibration range of reduction return bend that can be very big, and only wear and tear appears in mounting hole department, very big reduction the wear rate, when having guaranteed corrosion-resistant, the wear rate has been reduced.
Drawings
Fig. 1 is an exploded view of the assembly of the present invention.
Fig. 2 is a schematic top view of the fixing base of the present invention.
Fig. 3 is a schematic bottom view of the separation block of the present invention.
Fig. 4 is a schematic partial cross-sectional view of an embodiment of the present invention using a bushing.
The reference numbers shown in fig. 1 to 4 are: 1. mounting a shell; 2. mounting screws; 3. a channel cavity; 11. a fixed seat; 12. separating the blocks; 31. a fixed channel; 32. a separation channel; 111. positioning the shaft; 112. a strip-shaped convex part; 113. an arc-shaped guide plate; 114. a bushing; 121. positioning holes; 122. and a strip-shaped groove part.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
The utility model discloses a can guarantee when corrosion resistance, return bend that can reduce the wear rate again.
The bent pipe is connected with a connecting frame of the pipeline system and is connected with two straight pipes arranged at a preset angle with the pipeline system.
This return bend includes: a mounting shell 1 and mounting screws 2.
The passageway chamber 3 that extends along predetermined pitch arc is seted up at installation shell 1 middle part, and its outside is the rectangle structure four corners and has seted up a plurality of mounting hole.
The mounting screw 2 is matched with the mounting hole of the mounting shell 1 in an inserting way.
The mounting shell 1 is made of ABS, PVC, PP or PET material.
It should be noted that the AS material is brittle and therefore cannot be used for manufacturing the mounting case 1 of the present application.
The working principle is as follows: during assembly, the end of the straight pipe of the pipeline system is heated to a preset temperature, the channel cavity 3 is sleeved on the straight pipe of the pipeline system, and the mounting screw 2 penetrates through the mounting shell 1 and is in threaded connection with the connecting frame of the pipeline system.
Through utilizing ABS, PVC, the extremely strong corrosion resisting property of plasticity materials such as PP or PET moulds ability with extremely strong shape, can be under the extremely low circumstances of cost, the anticorrosive dysmorphism return bend of large batch production, although the return bend of this application is the bending tube form not, but its passageway chamber 3 has the function the same with traditional return bend, and the heterotypic return bend of this application can directly use mounting screw 2 to install the link fixed connection of shell 1 with pipe-line system, when the return bend vibration, and only wearing and tearing appear in mounting hole department, very big reduction the wear rate, when having guaranteed corrosion-resistant, the wear rate has been reduced.
In a further embodiment, the arrangement of the passage cavity 3 in the closed mounting shell 1 has high technical requirements on the shape of the die, and has the problem of low production efficiency.
In order to solve the above problem, the mounting case 1 includes: a fixed seat 11 and a separation block 12.
The middle top of fixing base 11 is seted up along the fixed passage 31 that predetermined pitch arc extends, and its top edge is seted up a plurality of location axle 111, and a plurality of mounting hole has been seted up to its four corners.
The bottom end of the middle part of the separating block 12 is provided with a separating channel 32 extending along a predetermined arc line, and the edge of the bottom end is provided with a plurality of positioning holes 121.
As shown in fig. 1, 2 and 3, the positioning shaft 111 of the fixing base 11 is inserted into the positioning hole 121 of the separation block 12.
The fixed seat 11 is fixedly connected with the separation block 12 in a welding mode.
The fixing channel 31 of the fixing base 11 and the separating channel 32 of the separating block 12 form a channel chamber 3.
Through being divided into fixing base 11 and separation block 12 two parts with installation shell 1, make passageway chamber 3 divide into with external fixed passage 31 and separation channel 32 that communicate, can facilitate the use mould carry out the production of installation shell 1, very big reduction the shape requirement to the mould, improved production efficiency.
In a further embodiment, one side of the fixing seat 11, which is provided with the fixing channel 31, is provided with two strip-shaped protrusions 112 matching with the shape of the fixing channel 31, and the two strip-shaped protrusions 112 are respectively located at two sides of the fixing channel 31.
The separating block 12 has two strip-shaped groove portions 122 at one side of the separating channel 32, which are matched with the shape of the separating channel 32, and the two strip-shaped groove portions 122 are respectively located at two sides of the separating channel 32.
The strip-shaped protruding portions 112 are correspondingly matched with the strip-shaped groove portions 122.
The strip-shaped protrusion portion 112 is in concave-convex insertion fit with the strip-shaped groove portion 122.
During the assembly, heat strip bellying 112 to predetermined temperature, then with strip bellying 112 and the unsmooth grafting cooperation of strip concave part 122, and then realize fixing base 11 and separation block 12 butt fusion fixed connection and constitute installation shell 1, can increase the face of weld and improve fixed strength to and improve the leakproofness.
In a further embodiment, as shown in fig. 1, 2 and 3, one side of the fixing seat 11, which is provided with the fixing channel 31, is provided with at least four strip-shaped protrusions 112 matching with the shape of the fixing channel 31, and two sides of the fixing channel 31 are respectively provided with at least two strip-shaped protrusions 112.
At least four strip-shaped groove portions 122 matched with the shape of the separation channel 32 are arranged on one side of the separation block 12 provided with the separation channel 32, and at least two strip-shaped groove portions 122 are respectively arranged on two sides of the separation channel 32.
By providing a plurality of strip-shaped protrusions 112, the sealing strength can be further improved.
In a further embodiment, when the fixing is performed in a welding mode, gaps are formed at the welding position, the impact force of large-flow fluid is large, and the risk of expansion of the gaps exists.
In order to solve the above problem, as shown in fig. 1 and 2, two arc-shaped baffles 113 are arranged in the fixing channel 31 of the fixing base 11.
The arc-shaped guide plate 113 extends along the extending direction of the fixed passage 31, so that the shape of the arc-shaped guide plate 113 is matched with the fixed passage 31.
The height of the arc-shaped guide plate 113 is greater than the radius of the inner diameter of the fixed channel 31, that is, the height of the arc-shaped guide plate 113 is greater than the connecting position of the fixed seat 11 and the separation block 12.
Through the arc-shaped guide plate 113 with the height larger than the inner diameter of the fixed channel 31, when the fluid reaches the joint of the fixed seat 11 and the separation block 12, the fluid can be shunted, the fluid flow rate in contact with the seam is reduced, and the risk of gap expansion is reduced.
In a further embodiment, as shown in fig. 4, the elbow further comprises: and a bushing 114.
The bush 114 is received in the mounting hole of the mounting case 1.
The screw comprises an end head part, an optical axis part connected with the end head part, and a threaded part connected with one end of the optical axis far away from the end head part.
The end head part is abutted against the mounting shell 1, the smooth shaft part is in inserted fit with the bushing 114, and the thread part is in threaded fit with a connecting frame of a pipeline system.
Claims (6)
1. The nuclear power plant radioactive waste oil discharge elbow is made of plastic materials, is connected with a connecting frame of a pipeline system, and is connected with two straight pipes arranged at a preset angle of the pipeline system;
it is characterized by comprising the following steps:
the installation shell (1) is provided with a channel cavity (3) extending along a preset arc line in the middle, and a plurality of installation holes are formed in four corners of the outer side of the installation shell in a rectangular structure;
the mounting screw (2) is in plug-in fit with the mounting hole of the mounting shell (1);
the mounting shell (1) is made of ABS, PVC, PP or PET materials;
during assembly, the mounting screw (2) penetrates through the mounting shell (1) and is in threaded fit with a connecting frame of a pipeline system.
2. The trap for radioactive waste oil discharge of nuclear power plants made of plastic material according to claim 1, characterized in that said mounting case (1) comprises:
the top end of the middle of the fixed seat (11) is provided with a fixed channel (31) extending along a preset arc line, the edge of the top end of the fixed seat is provided with a plurality of positioning shafts (111), and four corners of the fixed seat are provided with a plurality of mounting holes;
the bottom end of the middle part of the separating block (12) is provided with a separating channel (32) extending along a preset arc line, and the edge of the bottom end of the separating block is provided with a plurality of positioning holes (121);
the positioning shaft (111) of the fixed seat (11) is inserted into the positioning hole (121) of the separation block (12);
the fixed seat (11) is fixedly connected with the separation block (12) in a welding way;
the channel cavity (3) is formed by the fixing channel (31) of the fixing seat (11) and the separating channel (32) of the separating block (12).
3. The elbow pipe for nuclear power plant radioactive waste oil discharge made of plastic material according to claim 2, wherein,
one side of the fixed seat (11) provided with the fixed channel (31) is provided with two strip-shaped convex parts (112) matched with the fixed channel (31) in shape, and the two strip-shaped convex parts (112) are respectively positioned on two sides of the fixed channel (31);
one side of the separation block (12) provided with the separation channel (32) is provided with two strip-shaped groove parts (122) matched with the separation channel (32) in shape, and the two strip-shaped groove parts (122) are respectively positioned at two sides of the separation channel (32);
the strip-shaped protruding portions (112) are matched with the strip-shaped groove portions (122) in a one-to-one corresponding mode;
the strip-shaped protruding portion (112) is in concave-convex insertion fit with the strip-shaped groove portion (122).
4. The elbow pipe for nuclear power plant radioactive waste oil discharge made of plastic material according to claim 3, wherein,
one side of the fixed seat (11) provided with the fixed channel (31) is provided with at least four strip-shaped convex parts (112) matched with the fixed channel (31) in shape, and two sides of the fixed channel (31) are respectively provided with at least two strip-shaped convex parts (112);
one side of the separation block (12) provided with the separation channel (32) is provided with at least four strip-shaped groove portions (122) matched with the appearance of the separation channel (32), and two sides of the separation channel (32) are respectively provided with at least two strip-shaped groove portions (122).
5. The elbow pipe for nuclear power plant radioactive waste oil discharge made of plastic material according to claim 2, wherein,
two arc-shaped guide plates (113) are arranged in the fixing channel (31) of the fixing seat (11);
the arc-shaped guide plate (113) extends along the extension direction of the fixed channel (31) to ensure that the shape of the arc-shaped guide plate (113) is matched with the fixed channel (31);
the height of the arc-shaped guide plate (113) is larger than the inner diameter radius of the fixed channel (31).
6. The elbow pipe for nuclear power plant radioactive waste oil discharge made of plastic material according to claim 1, further comprising: a bushing (114) housed in the mounting hole of the mounting case (1);
the screw comprises an end head part, an optical axis part connected with the end head part and a threaded part connected with one end of the optical axis far away from the end head part;
the end head part is abutted to the mounting shell (1), the smooth shaft part is in inserting fit with the bushing (114), and the thread part is in threaded fit with a connecting frame of a pipeline system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222071392.3U CN217927734U (en) | 2022-08-05 | 2022-08-05 | Bent pipe made of plastic material and used for radioactive waste oil discharge of nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222071392.3U CN217927734U (en) | 2022-08-05 | 2022-08-05 | Bent pipe made of plastic material and used for radioactive waste oil discharge of nuclear power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217927734U true CN217927734U (en) | 2022-11-29 |
Family
ID=84152899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222071392.3U Active CN217927734U (en) | 2022-08-05 | 2022-08-05 | Bent pipe made of plastic material and used for radioactive waste oil discharge of nuclear power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217927734U (en) |
-
2022
- 2022-08-05 CN CN202222071392.3U patent/CN217927734U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217927734U (en) | Bent pipe made of plastic material and used for radioactive waste oil discharge of nuclear power plant | |
| CN101430170A (en) | Integral fin tube heat exchanger | |
| CN110873247A (en) | Hydraulic engineering is with pipeline of convenient concatenation | |
| CN213018229U (en) | Pipeline connecting device for steam-water separator | |
| CN209783381U (en) | Connecting device for flue gas treatment heat exchange tube and tube plate | |
| CN212202645U (en) | Industrial pump | |
| CN210770835U (en) | Spiral steel pipe with reinforcing ring | |
| CN208634617U (en) | A kind of steel plate punching press type groove pipe fitting | |
| CN110252903B (en) | Piston ring processing device | |
| CN200982484Y (en) | Flat cut spiral type pipe | |
| CN205504284U (en) | Articulation | |
| CN214368497U (en) | Plastic water collecting pipe | |
| CN217422578U (en) | Elbow connecting device with good sealing performance | |
| CN210625444U (en) | Circular seal head for high-pressure oil cooler | |
| CN104022593A (en) | Motor of booster pump and booster pump with the same | |
| CN214618045U (en) | Stop valve | |
| CN213470166U (en) | Bellows welding frock | |
| CN217056774U (en) | Plastic loose joint pipe fitting | |
| CN210372493U (en) | Wear-resisting type ripple compensator of buggy | |
| CN214250658U (en) | Portable shell for installing graphite | |
| CN220863075U (en) | Abnormal shape electrode assembly for welding equipment | |
| CN217762512U (en) | Clamp-press type straight-through pipe fitting flange | |
| CN219692252U (en) | Sealing gasket for assembly | |
| CN215721428U (en) | Ball valve capable of being connected with metal hose in two directions | |
| CN211716010U (en) | Polyethylene solid-wall pipe with spherical joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |