CN209468490U - Run through the cavitating water jet surface Hardening Treatment system of pipe for nuclear plant pressure vessels - Google Patents
Run through the cavitating water jet surface Hardening Treatment system of pipe for nuclear plant pressure vessels Download PDFInfo
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- CN209468490U CN209468490U CN201822066581.5U CN201822066581U CN209468490U CN 209468490 U CN209468490 U CN 209468490U CN 201822066581 U CN201822066581 U CN 201822066581U CN 209468490 U CN209468490 U CN 209468490U
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- nozzle
- pipe
- main support
- water jet
- pressure vessels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to cavitating water jet surface strengthening technology fields, more particularly to a kind of cavitating water jet surface Hardening Treatment system for running through pipe for nuclear plant pressure vessels, the processing system of the utility model includes the main support extended along the vertical direction, to drive the first driving motor of the main support rotation, on the main support and the nozzle assembly that can be slided up and down along the main support, the nozzle assembly includes at least the nozzle that its angle between part to be processed is adjusted, the nozzle is connected with high pressure water supply system, the processing system of the utility model be suitable for differing tilt angles through structure, not only with rotational structure, and adjustable nozzle angle and can with different tilt angles realize move up and down, welding position can be realized by the processing system of the utility model, welding position periphery is passed through The processing of poling and wall.
Description
Technical field
The utility model relates to cavitating water jet surface strengthening technology fields, and in particular to one kind is held for nuclear power station pressure
Device runs through the cavitating water jet surface Hardening Treatment system of pipe.
Background technique
Perforating tube structure is passed through in nuclear plant pressure vessels design.Pass through welded connecting through pipe and wall surface of the container.Scene operation
Experience Feedback shows that through the welding position of pipe and wall surface a lot of stress corruption are occurring for the states such as the U.S., France, Japan nuclear power station
Cracking event is lost, cracking position includes heat affected area, weld seam etc..This is because welding position residual stress is higher, partially have
In the high temperature and pressure water environment of nuclear power station stress corrosion cracking easily occurs for the Nickel-based Alloy Welding connector of sensitive composition.Cracking will
Breakdown pressure structure of container integrality destroys primary Ioops pressure boundary, causes radioactive substance to leak, it is hidden that there are personal safeties
Suffer from, thus caused shutdown, will cause huge economic loss, seriously affect the operation of nuclear power station long-term safety.
Cavitating water jet surface strengthening technology is the impact generated using the high pressure bubbles burst generated in high-speed water jet
Effect generates uniform compressive stress layer on the surface of the material.The drawing of remnants caused by welding, cold working etc. can be eliminated using the technology to answer
Power, and the superficial layer with compression is generated, it is able to suppress, delays stress corrosion cracking (SCC) in the germinating on welding point surface, from
And material is improved to the drag of stress corrosion cracking, elongate member service life.Due to there is certain inclination through pipe and wall surface
Angle, and workpiece cannot move, conventional cavitating water jet processing means are unable to satisfy demand, it is therefore desirable to which exploitation can be surrounded and be passed through
The new technology of poling welding position progress cavitating water jet processing.
Summary of the invention
The utility model provides a kind of cavitation water for running through pipe for nuclear plant pressure vessels based on the deficiencies of the prior art
Jet surface intensive treatment system.
In order to achieve the above objectives, the technical solution adopted in the utility model is: one kind runs through for nuclear plant pressure vessels
The cavitating water jet surface Hardening Treatment system of pipe, including extend along the vertical direction main support, to drive the main support
First driving motor of rotation, on the main support and the nozzle assembly that can be slided up and down along the main support, the spray
Nozzle assembly includes at least the nozzle that its angle between part to be processed is adjusted, and the nozzle is connected with high pressure water supply system.
Further, the nozzle assembly further includes the nozzle holder being slidably mounted on the main support and peace
Nozzle connection below the nozzle holder, one end of the nozzle connection is connected with the high pressure water supply system, and it is another
One end is connected with the nozzle.
Further, the main support is equipped with lifting sliding rail, and the lifting that is mounted on of the nozzle holder cooperation is slided
On rail, the nozzle assembly further includes the nozzle holder elevator to drive the nozzle holder to slide along the lifting sliding rail
Structure.
Further, the nozzle connection has the driving mechanism to drive it to carry out angle adjustment, the driving machine
Structure includes the shaft being fixedly linked with the nozzle connection, to drive the second driving motor of shaft rotation, described the
It is connected between the output shaft of two driving motors and the shaft by bevel gear set.
Further, the nozzle is equipped with ranging sensing device and video check is popped one's head in；The processing system includes two
The group nozzle assembly, two nozzle assemblies are divided into the two sides of the main support.
Further, the processing system further includes the pipe guidance set being connected with the main support lower end surface, the pipe
Guidance set includes at least the tube guide piece that is connected with the main support of one end, the tube guide piece be equipped with along the vertical direction to
For the pilot hole penetrated through pipe.
Further, bearing is equipped between the tube guide piece and the main support, the tube guide piece can be along the master
The underface that the main support is set of holder pivots.
Further, be additionally provided with buffer unit between the tube guide piece and the main support, the tube guide piece it is upper
End is equipped with the holding tank to accommodate the buffer unit, and the holding tank is connected with the pilot hole.
Further, the buffer unit includes the voltage sensitive sensor being embedded in the holding tank, and pad is located at the appearance
Receive trench bottom gasket and the spring the gasket to be connected with the voltage sensitive sensor.
Further, the processing system further includes the driving that can be moved along horizontal and vertical direction, first driving
Motor is mounted on the underface of the driving, and first driving motor is connected with the driving by connecting rod, and described first drives
The output shaft of dynamic motor is connected by connecting flange with the main support.
After the above technical solution is adopted, the utility model has the advantages that the utility model compared with prior art
Processing system is applicable to the cavitating water jet reinforcing that perforating tube structure is passed through at nuclear power station scene, is suitable for running through for differing tilt angles
Structure not only with rotational structure, and adjustable nozzle angle and can be realized up and down with different tilt angles
Movement can realize that the processing of pipe and wall is run through on welding position, welding position periphery by the processing system of the utility model,
To elongate member service life, Nuclear Safety is ensured.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the processing system of the utility model；
Attached drawing 2 is processing system and the pressure vessel and the structural schematic diagram matched through pipe of the utility model；
Attached drawing 3 is the structural schematic diagram of driving mechanism in the utility model；
Attached drawing 4 is the structural schematic diagram of buffer unit in the utility model.
Wherein,
100, pressure vessel；200, through pipe；300, processing system；1, main support；101, lifting sliding rail 2, first drives
Motor；3, nozzle assembly；301, nozzle；302, nozzle holder；303, nozzle connection；304, nozzle holder elevating mechanism；4, it drives
Motivation structure；401, shaft；402, the second driving motor；403, bevel gear set；5, ranging sensing device；6, video check is popped one's head in；
7, pipe guidance set；701, tube guide piece；702, pilot hole；703, buffer unit；703a, voltage sensitive sensor；703b, gasket；
703c, spring；8, it drives a vehicle；9, connecting rod；10, connecting flange.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
As shown in Figures 1 to 4, a kind of cavitating water jet surface Hardening Treatment system for running through pipe for nuclear plant pressure vessels
System 300, including extend along the vertical direction main support 1, to drive main support 1 rotate the first driving motor 2, be set to main branch
On frame 1 and it can include at least and it is adjusted between part to be processed along the nozzle assembly 3 that main support 1 slides up and down, nozzle assembly 3
The nozzle 301 of angle, nozzle 301 are connected with high pressure water supply system.
High pressure water supply system includes high-pressure pump, water supply pipe, water return pipeline, filter assemblies, gain apparatus etc..High-pressure pump
The high pressure needed for cavitation water generates is provided, water supply pipe and water return pipeline extract inside pressure vessel 100 with the use of realization
Water circulation use, the pipeline contacted with water be all made of not readily dissolve, corrosion-resistant material, guarantee circuit in water degree of purity meet
The requirement of used in nuclear power station water.
Nozzle assembly 3 further includes the nozzle holder 302 being slidably mounted on main support 1 and is mounted on nozzle holder
The nozzle connection 303 of 302 lower sections, one end of nozzle connection 303 are connected its other end and 301 phase of nozzle with high pressure water supply system
Even.Nozzle connection 303 has the driving mechanism 4 to drive it to carry out angle adjustment, and referring to shown in attached drawing 3, driving mechanism 4 is wrapped
The shaft 401 being fixedly linked with nozzle connection 303 is included, is driven to the second driving motor 402 for driving shaft 401 to rotate, second
It is connected between the output shaft and shaft 401 of dynamic motor 402 by bevel gear set 403, can be driven by the second driving motor 402
Nozzle connection 303 is deflected within the scope of certain angle, to realize the adjusting of operating angle between nozzle 301 and workpiece.
Preferably, nozzle 301 is equipped with ranging sensing device 5 and video check probe 6, passes through 5 He of ranging sensing device
Video check probe 6 can be with the distance between real-time measurement nozzle 301 and workpiece.In the present embodiment, processing system 300 further includes
Two groups of nozzle assemblies 3, two nozzle assemblies 3 are divided into the two sides of main support 1.
Main support 1 is equipped with lifting sliding rail 101, and what nozzle holder 302 cooperated is mounted on lifting sliding rail 101, nozzle sets
Part 3 further includes nozzle holder elevating mechanism 304, nozzle holder 302 can be driven along lifting by nozzle holder elevating mechanism 304
Sliding rail 101 slides up and down.
The processing system 300 of the utility model further includes the pipe guidance set 7 being connected with 1 lower end surface of main support.Pipe guiding
Component 7 includes the tube guide piece 701 that one end is connected with main support 1, and tube guide piece 701 is equipped with along the vertical direction with for through pipe
200 pilot holes 702 penetrated.Bearing is equipped between tube guide piece 701 and main support 1, tube guide piece 701 is arranged in main support 1
Underface and tube guide piece 701 can be rotated along main support 1.The material of tube guide piece 701 is using Teflon or other has one
The plastics of fixed rigidity can play guiding role, and protect and pass through by the way that pilot hole 702 to be inserted in from the top through pipe 200
The not frayed influence of poling 200.
Preferably, buffer unit 703, the upper end of tube guide piece 701 are additionally provided between tube guide piece 701 and main support 1
Equipped with the holding tank to accommodate buffer unit 703, holding tank is connected with pilot hole 702.Referring to shown in attached drawing 4, buffering is filled
Setting 703 includes being embedded the voltage sensitive sensor 703a in holding tank, and pad is located at the gasket 703b for accommodating trench bottom and to incite somebody to action
The spring 703c that gasket 703b is connected with voltage sensitive sensor 703a can prevent main support 1 along passing through by the way that buffer unit 703 is arranged
Pipe 200 will be will pass through in the process under poling 200 to bend.
The processing system 300 of the utility model further includes the driving 8 that can be moved along horizontal and vertical direction, the first driving electricity
Machine 2 is mounted on the underface of driving 8, and the first driving motor 2 is connected with driving 8 by connecting rod 9, the output of the first driving motor 2
Axis is connected by connecting flange 10 with main support 1.
It is automatically controlled to realize, the processing system 300 of the utility model includes control system, the first driving motor 2, high pressure
Water supply system, the second driving motor 402, ranging sensing device 5, video check probe 6, nozzle holder elevating mechanism 304, pressure
Dependent sensor 703a is electrically connected to the control system.
Since the processing system 300 of the utility model is partially in the working environment flooded under water, sensor in system,
Cable and mechanical structure etc. are all made of waterproofing design.
The following are using the utility model processing system 300 carry out cavitating water jet processing a certain specific embodiment,
Include the following steps:
(1) cavitation water supply system and control system are installed near live nuclear plant pressure vessels 100, by cavitation water
Jet surface intensive treatment system 300 is installed to 100 top of pressure vessel.
(2) adjustment driving 8 drops to the top to be processed near pipe 200, is led pipe guide member by moving horizontally
Run through pipe 200 to the alignment of hole 702, then proceedes to adjust column holder decline, will pass through pipe 200 and be inserted into pilot hole 702.Pass through
Voltage sensitive sensor 703a in buffer unit 703 adjusts down position.
(3) after main support 1 drops to designated position, the data measured by distance measuring sensor, the control lifting of nozzle 301 is driven
Motivation structure 4 and the second driving motor 402 adjust by a small margin nozzle 301 and between pipe 200 and nozzle 301 and wall away from
From.After adjustment, high pressure water supply system is opened, welded seam area is started to process.
(4) in the cavitating water jet treatment process through pipe 200, Serve Motor Control main support 1 is rotated,
Realize that nozzle 301 surrounds the processing through pipe 200；In spinning process, distance measuring sensor real-time monitoring nozzle 301 and table
The distance in face realizes the processing for running through pipe 200 by controlling the lifting of 301 lift drive mechanism 4 of nozzle.
(5) it when to handling through wall around pipe 200, needs to connect by the second driving motor 402 adjusting nozzle
First 303 direction makes nozzle 301 rotate to be alignment wall, 301 elevator drive machine of main support 1 and nozzle through pipe 200 by alignment
The control process of structure 4 is identical as the processing of pipe 200 is run through in step (4).
Welding position, welding position periphery can be realized through pipe 200 and device by the processing system 300 of the utility model
The processing of wall, so that elongate member service life, ensures Nuclear Safety.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of cavitating water jet surface Hardening Treatment system for running through pipe for nuclear plant pressure vessels, it is characterised in that: packet
It includes the main support extended along the vertical direction, the first driving motor to drive the main support rotation, be set to the main support
Nozzle assembly that is upper and being slided up and down along the main support, the nozzle assembly include at least be adjusted itself and part to be processed it
Between angle nozzle, the nozzle is connected with high pressure water supply system.
2. a kind of cavitating water jet surface Hardening Treatment for running through pipe for nuclear plant pressure vessels according to claim 1
System, it is characterised in that: the nozzle assembly further includes the nozzle holder being slidably mounted on the main support and peace
Nozzle connection below the nozzle holder, one end of the nozzle connection is connected with the high pressure water supply system, and it is another
One end is connected with the nozzle.
3. a kind of cavitating water jet surface Hardening Treatment for running through pipe for nuclear plant pressure vessels according to claim 2
System, it is characterised in that: the main support is equipped with lifting sliding rail, and the nozzle holder cooperation is mounted on the lifting sliding rail
On, the nozzle assembly further includes the nozzle holder elevator to drive the nozzle holder to slide along the lifting sliding rail
Structure.
4. a kind of cavitating water jet surface Hardening Treatment for running through pipe for nuclear plant pressure vessels according to claim 2
System, it is characterised in that: the nozzle connection has the driving mechanism to drive it to carry out angle adjustment, the driving mechanism
Including the shaft being fixedly linked with the nozzle connection, to drive the second driving motor of the shaft rotation, described second
It is connected between the output shaft of driving motor and the shaft by bevel gear set.
5. a kind of cavitating water jet table for running through pipe for nuclear plant pressure vessels according to any one of claims 1 to 4
Surface strengthening processing system, it is characterised in that: the nozzle is equipped with ranging sensing device and video check is popped one's head in；The processing system
System includes nozzle assembly described in two groups, and two nozzle assemblies are divided into the two sides of the main support.
6. a kind of cavitating water jet surface Hardening Treatment for running through pipe for nuclear plant pressure vessels according to claim 1
System, it is characterised in that: the processing system further includes the pipe guidance set being connected with the main support lower end surface, and the pipe is led
Include at least the tube guide piece that is connected with the main support of one end to component, the tube guide piece be equipped with along the vertical direction with for
The pilot hole penetrated through pipe.
7. a kind of cavitating water jet surface Hardening Treatment for running through pipe for nuclear plant pressure vessels according to claim 6
System, it is characterised in that: bearing is equipped between the tube guide piece and the main support, the tube guide piece can be along the main branch
The underface that the main support is set of frame rotation.
8. a kind of cavitating water jet surface peening for running through pipe for nuclear plant pressure vessels according to claim 6 or 7
Processing system, it is characterised in that: buffer unit is additionally provided between the tube guide piece and the main support, the tube guide piece
Upper end is equipped with the holding tank to accommodate the buffer unit, and the holding tank is connected with the pilot hole.
9. a kind of cavitating water jet surface Hardening Treatment for running through pipe for nuclear plant pressure vessels according to claim 8
System, it is characterised in that: the buffer unit includes the voltage sensitive sensor being embedded in the holding tank, and pad is located at the receiving
The gasket of trench bottom and the spring the gasket to be connected with the voltage sensitive sensor.
10. at a kind of cavitating water jet surface peening for running through pipe for nuclear plant pressure vessels according to claim 1
Reason system, it is characterised in that: the processing system further includes the driving that can be moved along horizontal and vertical direction, first driving
Motor is mounted on the underface of the driving, and first driving motor is connected with the driving by connecting rod, and described first drives
The output shaft of dynamic motor is connected by connecting flange with the main support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822066581.5U CN209468490U (en) | 2018-12-10 | 2018-12-10 | Run through the cavitating water jet surface Hardening Treatment system of pipe for nuclear plant pressure vessels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822066581.5U CN209468490U (en) | 2018-12-10 | 2018-12-10 | Run through the cavitating water jet surface Hardening Treatment system of pipe for nuclear plant pressure vessels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209468490U true CN209468490U (en) | 2019-10-08 |
Family
ID=68089093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822066581.5U Active CN209468490U (en) | 2018-12-10 | 2018-12-10 | Run through the cavitating water jet surface Hardening Treatment system of pipe for nuclear plant pressure vessels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209468490U (en) |
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2018
- 2018-12-10 CN CN201822066581.5U patent/CN209468490U/en active Active
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