CN107175227A - Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning device - Google Patents
Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning device Download PDFInfo
- Publication number
- CN107175227A CN107175227A CN201610135495.8A CN201610135495A CN107175227A CN 107175227 A CN107175227 A CN 107175227A CN 201610135495 A CN201610135495 A CN 201610135495A CN 107175227 A CN107175227 A CN 107175227A
- Authority
- CN
- China
- Prior art keywords
- assembly
- steam generator
- supporting plate
- gun barrel
- barrel
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 6
- 238000000034 method Methods 0.000 abstract description 3
- 239000010802 sludge Substances 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
Abstract
The present invention relates to steam generator rigid sludge douching technique field, a kind of the first supporting plate of steam generator secondary side lower surface hydrodynamic cleaning device is specifically disclosed.Nose assembly includes pivot flange, swing unit and stepping unit in the device, and pivot flange is used for the fixation of drive device in nose assembly, meanwhile, nose assembly is fixed on steam generator hand hole flange；Swing unit and stepping unit are used for swing, the stepping for driving barrel assembly, the nozzle of barrel assembly is correctly aligned between pipe；Guide assembly can be fixed on above flow distribution baffle, and barrel assembly can be driven by nose assembly, be moved along the guide rail stepping in guide assembly.The integrated rack-driving of device barrel assembly, reduces overall structure, adapts to the requirement that the first supporting plate of steam generator lower surface rinses narrow space；Guide rail structure is simple, firm grip, is not in skew during stepping, improves the flush efficiency and accuracy of the first supporting plate lower surface.
Description
Technical field
The invention belongs to steam generator rigid sludge douching technique field, and in particular to a kind of the first supporting plate of steam generator secondary side lower surface hydrodynamic cleaning device.
Background technology
The serious consequence being likely to result in due to subsidence settling to steam generator, an important component for being cleared into nuclear power station steam generator maintenance management for body refuse, the problem of preferably solving subsidence settling, increases anti-first supporting plate lower surface flushing on the basis of original evaporator secondary side tube sheet rinses flow.
Current body refuse sluice gun is rinsed mainly for steam generator secondary side tube sheet, the following free space of flow distribution baffle is larger within hand hole, and when carrying out the flushing of the first supporting plate of steam generator lower surface, body refuse sluice gun must be placed on more than flow distribution baffle along hand hole, dimensional space is smaller, and existing body refuse sluice gun can not meet the rinsing requirement of the first supporting plate lower surface flushing.
The content of the invention
It is an object of the invention to provide a kind of the first supporting plate of steam generator secondary side lower surface hydrodynamic cleaning device, steam generator the first supporting plate lower surface rinsing requirement can not be adapted to by solving existing body refuse sluice gun structure.
Technical scheme is as follows：A kind of the first supporting plate of steam generator secondary side lower surface hydrodynamic cleaning device, the flusher includes nose assembly, barrel assembly and guide assembly, wherein, nose assembly includes pivot flange, swing unit and stepping unit, pivot flange is used for the fixation of drive device in nose assembly, meanwhile, nose assembly is fixed on steam generator hand hole flange；Swing unit and stepping unit are used for swing, the stepping for driving barrel assembly, the nozzle of barrel assembly is correctly aligned between pipe；Guide assembly can be fixed on above flow distribution baffle, and barrel assembly can be driven by nose assembly, be moved along the guide rail stepping in guide assembly.
Described barrel assembly includes swivel joint, gun barrel A, gun barrel B and nozzle block, wherein, adapter on swivel joint is ladder circle column structure, gun barrel A and gun barrel B are matched be enclosed on adapter successively, and matching is cased with nozzle block on the ladder circle column structure of gun barrel B front ends, adapter, gun barrel A, gun barrel B and nozzle block shaping is set to form the cylindrical structure that center is provided with passage.
Described guide assembly includes long bolt, guide rail, fixed seat and sliding seat, wherein, guide rail is the rectangular configuration that upper end is provided with grooved tracks, its right side front formation hook structure；Fixed seat is fixed with rear end on the left of guide rail, and is provided with fixed seat screwed hole；Sliding seat on the right side of fixed seat is caught in one section of chute below guide rail；Long bolt sequentially passes through sliding seat and fixed seat on the right side of sliding seat, and the helicitic texture compressed using the hook being fixed on sliding seat on the left of the end on the right side of long bolt, long bolt is matched with fixed seat；By rotating long bolt, sliding seat can be driven to be moved along guide rail relative to fixed seat.
Described adapter, gun barrel A, gun barrel B are sealed with the contact surface that nozzle block is connected two-by-two provided with O-ring seal A and O-ring seal B, meanwhile, spring catch is installed at the position connected two-by-two.
The rack matched with stepping unit in nose assembly is provided with described gun barrel A, and rack tooth top is less than gun barrel A external diameter great circles.
The through hole of connection central passage is provided with described nozzle block outer wall.
Tight split nut is installed on the long bolt on the left of described fixed seat.
The remarkable result of the present invention is：A kind of the first supporting plate of steam generator secondary side lower surface hydrodynamic cleaning device of the present invention, the integrated rack-driving of barrel assembly reduces overall structure, adapts to the requirement that the first supporting plate of steam generator lower surface rinses narrow space；Guide rail structure is simple, firm grip, meets barrel assembly support and is oriented to requirement, it is ensured that the nozzle of body refuse sluice gun is correctly aligned between pipe, is not in skew during stepping, improves the flush efficiency and accuracy of the first supporting plate lower surface.
Brief description of the drawings
Fig. 1 is a kind of the first supporting plate of steam generator secondary side lower surface hydrodynamic cleaning apparatus structure schematic diagram of the present invention；
Fig. 2 is barrel assembly structural representation in Fig. 1；
Fig. 3 is Fig. 1 middle guide modular construction schematic diagrames；
In figure：1st, nose assembly；2nd, barrel assembly；3rd, guide assembly；4th, swivel joint；5th, adapter；6th, O-ring seal A；7th, O-ring seal B；8th, gun barrel A；9th, spring catch；10th, gun barrel B；11st, sliding block；12nd, nozzle block；13rd, long bolt；14th, guide rail；15th, fixed seat；16th, tight split nut；17th, sliding seat；18th, link up with.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
As shown in Figures 1 to 3, a kind of the first supporting plate of steam generator secondary side lower surface hydrodynamic cleaning device, including nose assembly 1, barrel assembly 2 and guide assembly 3, wherein, nose assembly 1 includes pivot flange, swing unit and stepping unit, the installation that pivot flange is used for drive device in nose assembly 1 is fixed, while making nose assembly 1 be fixed on steam generator hand hole flange；Swing unit and stepping unit are used for swing, the stepwise operation for driving barrel assembly 2, the nozzle of barrel assembly is correctly aligned between pipe, it is ensured that the flush efficiency and precision of high-pressure jet water；Barrel assembly 2 includes swivel joint 4, gun barrel A8, gun barrel B10 and nozzle block 12, wherein, adapter 5 on swivel joint 4 is ladder circle column structure, gun barrel A8 and gun barrel B10 are matched successively to be enclosed on adapter 5, and matching is cased with nozzle block 12 on the ladder circle column structure of gun barrel B10 front ends, make adapter 5, gun barrel A8, gun barrel B10 and the shaping of nozzle block 12 form the cylindrical structure that center is provided with passage, and mounting O-shaped sealing ring A6 and O-ring seal B7 are sealed on the contact surface connected two-by-two, simultaneously, spring catch 9 is installed at the position connected two-by-two, wherein, the through hole of connection central passage is provided with the outer wall of nozzle block 12；Guide assembly 3 includes long bolt 13, guide rail 14, fixed seat 15 and sliding seat 17, wherein, guide rail 14 is the rectangular configuration that upper end is provided with grooved tracks, its right side front formation hook structure；Fixed seat 15 is fixed with the left side rear end of guide rail 14, and screwed hole is provided with fixed seat 15；The sliding seat 17 on the right side of fixed seat 15 is caught in one section of chute of the lower section of guide rail 14；Long bolt 13 sequentially passes through sliding seat 17 and fixed seat 15 from the right side of sliding seat 17, and the end on the right side of long bolt 13 is compressed using the hook 18 being fixed on sliding seat 17, the helicitic texture in the left side of long bolt 13 matches with fixed seat 15, and is provided with tight split nut 16 on the long bolt 13 in the left side of fixed seat 15；By rotating long bolt 13, sliding seat 17 can be driven to be moved along guide rail 14 relative to fixed seat 15.
The first supporting plate of a kind of steam generator secondary side lower surface hydrodynamic cleaning device specific work process of the present invention is：Adjust the long bolt 13 of guide assembly 3, make sliding seat 17 close to fixed seat 15, guide assembly 3 is put into along on the upside of steam generator hand hole above flow distribution baffle, guide rail 14 is set to be suspended in flow distribution baffle on STH, long bolt 14 is rotated, promotes sliding seat 19 to move forward, hook 18 is clamped the tapping at flow distribution baffle hand hole, tight split nut 16 is tightened, prevents guide assembly 3 from releasing；The gun barrel B10 of barrel assembly 2 is covered into top shoe 11, front end connection nozzle block 12, rear end connection gun barrel A8, then sliding block 11 is aligned is fitted into the chute of the middle guide 14 of guide assembly 3, front and rear promotion gun barrel checks that gun barrel is moved back and forth with the presence or absence of jam；The gun barrel that the center alignment of nose assembly 1 is assembled, makes the step gear of the rack alignment nose assembly 1 on gun barrel A8, finally reconnects the swivel joint 4 with adapter 5, complete the installation of body refuse flusher.Connect high service pipeline and head cable, manually adjust the position of the nozzle block 12 of barrel assembly 2, it is set to be aligned between the comb of steam generator first, start control system, the set-mounted program of barrel assembly 2 reciprocally swinging in the presence of head 1, stepped to after completing flushing work between next group of pipe, the first supporting plate lower surface is rinsed between reciprocally swinging carries out next group of pipe again, rinsed until completing half side the first supporting plate of steam generator lower surface, body refuse flusher is removed again and is attached on offside hand hole flange, carry out the flushing of second half the first supporting plate of steam generator lower surface.
Claims (7)
1. a kind of the first supporting plate of steam generator secondary side lower surface hydrodynamic cleaning device, it is characterised in that：
The flusher includes nose assembly (1), barrel assembly (2) and guide assembly (3), wherein, head
Component (1) includes pivot flange, swing unit and stepping unit, and pivot flange is used for nose assembly (1)
The fixation of middle drive device, meanwhile, nose assembly (1) is fixed on steam generator hand hole flange；Pendulum
Moving cell and stepping unit are used for swing, the stepping for driving barrel assembly (2), make barrel assembly (2)
Nozzle can be correctly aligned between pipe；Guide assembly (3) can be fixed on above flow distribution baffle, barrel assembly (2)
It can be driven, be moved along the guide rail stepping in guide assembly (3) by nose assembly (1).
2. a kind of steam generator secondary side the first supporting plate lower surface waterpower punching according to claim 1
Cleaning device, it is characterised in that：Described barrel assembly (2) include swivel joint (4), gun barrel A (8),
Gun barrel B (10) and nozzle block (12), wherein, the adapter (5) on swivel joint (4)
For ladder circle column structure, gun barrel A (8) and gun barrel B (10) are matched be enclosed on adapter (5) successively,
And on the ladder circle column structure of gun barrel B (10) front end matching be cased with nozzle block (12), make adapter (5),
Gun barrel A (8), gun barrel B (10) and nozzle block (12) shaping form the cylindrical structure that center is provided with passage.
3. a kind of steam generator secondary side the first supporting plate lower surface waterpower punching according to claim 1
Cleaning device, it is characterised in that：Described guide assembly (3) includes long bolt (13), guide rail (14), consolidated
Reservation (15) and sliding seat (17), wherein, guide rail (14) is the rectangle knot that upper end is provided with grooved tracks
Structure, its right side front formation hook structure；Fixed seat (15) is fixed with rear end on the left of guide rail (14), and
Screwed hole is provided with fixed seat (15)；Sliding seat (17) on the right side of fixed seat (15) is caught in guide rail (14)
In one section of chute of lower section；Long bolt (13) sequentially passes through sliding seat (17) on the right side of sliding seat (17)
With fixed seat (15), and long bolt (13) is compressed using hook (18) on sliding seat (17) is fixed on
Helicitic texture on the left of the end on right side, long bolt (13) matches with fixed seat (15)；Pass through rotation
Long bolt (13), can drive sliding seat (17) to be moved along guide rail (14) relative to fixed seat (15).
4. a kind of steam generator secondary side the first supporting plate lower surface waterpower punching according to claim 2
Cleaning device, it is characterised in that：Described adapter (5), gun barrel A (8), gun barrel B (10) and nozzle block
(12) contact surface being connected two-by-two is carried out provided with O-ring seal A (6) and O-ring seal B (7)
Sealing, meanwhile, spring catch (9) is installed at the position connected two-by-two.
5. a kind of steam generator secondary side the first supporting plate lower surface waterpower punching according to claim 2
Cleaning device, it is characterised in that：It is provided with described gun barrel A (8) and stepping unit in nose assembly (1)
The rack matched, and rack tooth top is less than gun barrel A (8) external diameter great circle.
6. a kind of steam generator secondary side the first supporting plate lower surface waterpower punching according to claim 2
Cleaning device, it is characterised in that：The through hole of connection central passage is provided with described nozzle block (12) outer wall.
7. a kind of steam generator secondary side the first supporting plate lower surface waterpower punching according to claim 3
Cleaning device, it is characterised in that：Tight lock is installed on long bolt (13) on the left of described fixed seat (15)
Nut (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135495.8A CN107175227A (en) | 2016-03-10 | 2016-03-10 | Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135495.8A CN107175227A (en) | 2016-03-10 | 2016-03-10 | Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107175227A true CN107175227A (en) | 2017-09-19 |
Family
ID=59829582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610135495.8A Pending CN107175227A (en) | 2016-03-10 | 2016-03-10 | Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107175227A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973987A (en) * | 2017-12-28 | 2019-07-05 | 核动力运行研究所 | A kind of steam generator secondary side tube sheet flexible irrigation device |
| CN109967422A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | One kind being used for steam generator secondary side tube sheet body refuse high pressure water flooding nozzle |
| CN109967278A (en) * | 2017-12-28 | 2019-07-05 | 核动力运行研究所 | A kind of steam generator secondary side tube sheet flexibility body refuse flushing lance body structure |
| CN109973986A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | One kind being used for steam generator secondary side hydrodynamic cleaning device |
| CN114199073A (en) * | 2020-09-18 | 2022-03-18 | 国核电站运行服务技术有限公司 | Carrying and traveling system in nuclear power station evaporator and flushing equipment |
| CN114653695A (en) * | 2020-12-22 | 2022-06-24 | 核动力运行研究所 | Opposite-swing nozzle structure for washing sludge of tube plate of steam generator |
| CN114653694A (en) * | 2020-12-22 | 2022-06-24 | 核动力运行研究所 | Opposite-swing nozzle structure for washing sludge of tube plate of steam generator |
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| CN205518753U (en) * | 2016-03-10 | 2016-08-31 | 核动力运行研究所 | First backup pad lower surface water conservancy washing unit of steam generator secondary side |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967422A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | One kind being used for steam generator secondary side tube sheet body refuse high pressure water flooding nozzle |
| CN109973986A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | One kind being used for steam generator secondary side hydrodynamic cleaning device |
| CN109967422B (en) * | 2017-12-27 | 2024-01-12 | 核动力运行研究所 | High-pressure water flushing nozzle for sludge of secondary side pipe plate of steam generator |
| CN109973987A (en) * | 2017-12-28 | 2019-07-05 | 核动力运行研究所 | A kind of steam generator secondary side tube sheet flexible irrigation device |
| CN109967278A (en) * | 2017-12-28 | 2019-07-05 | 核动力运行研究所 | A kind of steam generator secondary side tube sheet flexibility body refuse flushing lance body structure |
| CN114199073A (en) * | 2020-09-18 | 2022-03-18 | 国核电站运行服务技术有限公司 | Carrying and traveling system in nuclear power station evaporator and flushing equipment |
| CN114199073B (en) * | 2020-09-18 | 2023-10-20 | 国核电站运行服务技术有限公司 | Carrying and traveling system in evaporator of nuclear power station and flushing equipment |
| CN114653695A (en) * | 2020-12-22 | 2022-06-24 | 核动力运行研究所 | Opposite-swing nozzle structure for washing sludge of tube plate of steam generator |
| CN114653694A (en) * | 2020-12-22 | 2022-06-24 | 核动力运行研究所 | Opposite-swing nozzle structure for washing sludge of tube plate of steam generator |
| CN114653694B (en) * | 2020-12-22 | 2023-03-17 | 核动力运行研究所 | Opposite-swing nozzle structure for washing sludge of tube plate of steam generator |
| CN114653695B (en) * | 2020-12-22 | 2023-08-15 | 核动力运行研究所 | Opposite swinging nozzle structure for flushing tube plate sludge of steam generator |
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Application publication date: 20170919 |
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| RJ01 | Rejection of invention patent application after publication |