CN202735039U - Water pressure testing device of welded sealing shell - Google Patents
Water pressure testing device of welded sealing shell Download PDFInfo
- Publication number
- CN202735039U CN202735039U CN201220419810.7U CN201220419810U CN202735039U CN 202735039 U CN202735039 U CN 202735039U CN 201220419810 U CN201220419810 U CN 201220419810U CN 202735039 U CN202735039 U CN 202735039U
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- Prior art keywords
- water inlet
- capsul
- inlet pipe
- trunk line
- testing device
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Abstract
The utility model belongs to the technical field of pressure testing and discloses a water pressure testing device of a welded sealing shell. The water pressure testing device of the welded sealing shell includes a main pipeline, a water inlet pipe, a water outlet pipe and a blower pump. One end of the main pipeline is connected with the blower pump while the other end of the main pipeline is connected to a sealing end cap of the sealing shell. The water inlet pipe is arranged on the main pipeline. A first manual valve is arranged on the water inlet pipe. A second manual valve is arranged on the main pipeline between the water inlet pipe and the blower pump. A pressure transmitter is arranged on the main pipeline between the water inlet pipe and the sealing end cap of the sealing shell. A third manual valve is arranged on the main pipeline between the water inlet pipe and the pressure transmitter. The water outlet pipe is arranged on the sealing end cap of the sealing shell. A fourth manual valve is arranged on the water outlet pipe. The water pressure testing device of the welded sealing shell also includes a control unit. The control unit controls the blower pump according to information of the pressure transmitter, thereby enable a certain volume of water pressure to be generated in the sealing shell for testing the sealing performance.
Description
Technical field
The utility model belongs to the pressure test technical field, particularly a kind of hydraulic pressure testing device of welded seal shell.
Background technology
Along with developing rapidly of nuclear industry, home-made equipment to nuclear power product requires more and more urgent, AP1000 control rod drive mechanisms (CRD) integral sealing shell is exactly that the capsul product that two generations added is improved, seal casinghousing and capsul base are linked together, reduced like this by a sealing weld seam, strengthened the slip of prevention capsul.But bring difficulty for manufacturing and the hydraulic testing of capsul product, especially the hydraulic testing, nuclear power product was to carry out the hydraulic testing after parts are installed and welded in the past, and the integral sealing shell carries out separately the hydraulic testing, both ends of the surface all adopt the O-ring seal sealing, and the test under high hydraulic pressure acquires a certain degree of difficulty.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of hydraulic pressure testing device of welded seal shell, in the hope of to rapidly and accurately capsul being carried out pressure test.
The technical scheme that the utility model is taked is:
A kind of hydraulic pressure testing device of welded seal shell, comprise trunk line, water inlet pipe, rising pipe, supercharge pump, it is characterized in that, one end of described trunk line connects described supercharge pump, the other end of described trunk line is connected on the end cover of capsul, described water inlet pipe is arranged on the described trunk line, the first hand valve is set on the described water inlet pipe, trunk line between described water inlet pipe and described supercharge pump arranges the second hand valve, trunk line between the end cover of described water inlet pipe and described capsul arranges a pressure unit, trunk line at described water inlet pipe and described pressure unit arranges the 3rd hand valve, described rising pipe is arranged on the end cover of capsul, the 4th hand valve is set on the described rising pipe, described capsul hydraulic pressure testing device also comprises control module, and described control module is controlled described supercharge pump according to the information of described pressure unit and made that the certain hydraulic pressure of generation carries out performing leak test in the described capsul.
Further, described trunk line is received on the described end cover by a connecting pipe, is connected by a connector between described connecting pipe and the described trunk line.
Further, respectively there is an end cover at the two ends of described capsul, and described rising pipe and described connecting pipe are arranged on the end cover.
The beneficial effects of the utility model are:
Solved the difficult point of the Integral welded capsul hydraulic testing.
Description of drawings
Accompanying drawing 1 is the synoptic diagram of an embodiment of hydraulic pressure testing device in the utility model;
Accompanying drawing 2 is the synoptic diagram of another embodiment of hydraulic pressure testing device in the utility model;
Accompanying drawing 3 is the process flow diagram of hydraulic pressure test method in the utility model.
Label in the accompanying drawing is respectively:
1. capsul; 2. flat seal end cap;
3. O-ring seal; 4. cylindrical end cover;
5. O-ring seal; 6. trunk line;
7. supercharge pump; 8. connecting pipe;
9. connector; 10. rising pipe;
11. water inlet pipe; 12. threeway;
13. pressure unit; 14. the first hand valve;
15. the second hand valve; 16. the 3rd hand valve;
17. the 4th hand valve; 18. control module;
301-310: procedural style figure step.
Embodiment
Elaborate below in conjunction with the embodiment of accompanying drawing to the hydraulic pressure testing device of the utility model welded seal shell.
Referring to accompanying drawing 1, accompanying drawing 1 is an embodiment of the hydraulic pressure testing device of welded seal shell, the two ends of capsul 1 are small one and large one two end covers, be respectively flat seal end cap 2 and cylindrical end cover 4, at the end face of small end by flat seal end cap 2 O RunddichtringO 3 is set, small end flat seal end cap 2 is threaded connection in the little stomidium of capsul 1; Hold the cylinder by cylindrical end cover 4 that O RunddichtringO 5 is set large, hold greatly cylindrical end cover 4 to be threaded connection in the large stomidium of capsul 1.End at trunk line 6 connects supercharge pump 7, the other end of trunk line 6 is connected on the cylindrical end cover 4 of capsul 1 large end, its connected mode is to penetrate cylindrical end cover 4 by a connecting pipe 8, connecting pipe 8 is connected with trunk line 6 by a connector 9 again, and connector 9 optional flanges connect or are threaded.At trunk line 6 water inlet pipe 11 is set, water inlet pipe 11 communicates with trunk line 6 by a threeway 12, water inlet management 11 connects water system, trunk line 6 between the cylindrical end cover 4 of water inlet pipe 11 and capsul 1 arranges a pressure unit 13, at water inlet pipe 11 the first hand valve 14 is set, trunk line 6 between water inlet pipe 11 and supercharge pump 7 arranges the second hand valve 15, trunk line 6 between water inlet pipe 11 and pressure unit 13 arranges the 3rd hand valve 16, set out water pipe 10 at large end cylindrical end cover 4, rising pipe 10 penetrates in the capsul 1, at rising pipe 10 the 4th hand valve 17 is set, supercharge pump 7 is controlled output pressure by control module 18, and control module 18 makes the certain hydraulic pressure of capsul 1 interior generation carry out performing leak test according to the pressure information control supercharge pump 7 of pressure unit 13 feedbacks.
Referring to accompanying drawing 2, accompanying drawing 2 is another embodiment of the hydraulic pressure testing device of welded seal shell, be with the embodiment difference of accompanying drawing 1, rising pipe 10 and on the 4th hand valve 17 be installed on the flat seal end cap 2 of small end.Dual mode can be equal to, and is same, if the space allows, connecting pipe 8 and rising pipe 10 can all be arranged on small end.
Trunk line and on the test pipeline that forms of pipe fitting can be installed in the box or chest that makes things convenient for carrying and installation, be adapted at different occasions various seal casinghousings tested.
Referring to accompanying drawing 3, the concrete steps of the method for testing of the hydraulic pressure testing device of welded seal shell are as follows.
(1) seal casinghousing is cleaned and fixes on the top of the shelf (the 301st goes on foot among the figure).This step is nonessential, and is just passable as long as capsul reaches suitable hydraulic pressure test.
(2) with cylindrical end cover and plane end cover seal casinghousing is sealed installation testing pipeline on the cylindrical end cover (the 302nd step among the figure) at the two ends of capsul.
(3) close the second hand valve, open the first, the 3rd, the 4th hand valve, capsul is filled with water (the 303rd step among the figure).Successively water outlet of rising pipe is arrived in water filling, and guarantees do not have residual air in the capsul.
(4) close the first hand valve and the 4th hand valve, stop to supply water (the 304th step among the figure).
(5) control module control supercharge pump, with voltage rise to 5 in the capsul to 6MPa, 5 to 7 minutes (the 305th step among the figure) of pressurize.Preferably boost to 5MPa, pressurize 5 minutes.
(6) with voltage rise to 10 in the capsul to 11MPa, pressurize 5 to 7 minutes (the 306th step among the figure).Preferably boost to 10MPa, pressurize 5 minutes.
(7) with voltage rise to 17.2 in the capsul to 18MPa, pressurize 5 to 7 minutes (the 307th step among the figure).Preferably boost to 17.2MPa, pressurize 5 minutes.
(8) with voltage rise to 21.5 in the capsul to 22MPa, pressurize 15 to 20 minutes (the 308th step among the figure).Preferably boost to 22MPa, pressurize 15 minutes.Pressure can not be lower than 21.5 MPa between hold period.
(9) close supercharge pump, manually control the 4th hand valve and slowly reduce to the 308th step among the 0MPa(figure with pressing in the capsul).
(10) open the first hand valve and the 4th hand valve, with the water emptying in the capsul, pull down cylindrical end cover and plane end cover, the welding assembly of capsul is carried out liquid penetrant inspection (the 310th step among the figure).
The sealing that above hydraulic testing overall process mainly rides in test pipeline and frock thereof can be controlled at does not substantially leak, the parts interface that is to say the test pipeline is connected the sealing of connection and flat seal end cap and cylindrical end cover and has all been reached hydraulic testing requirement with manually-operated gate, just can reach the effect of the integral sealing shell hydraulic testing.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. the hydraulic pressure testing device of a welded seal shell, comprise trunk line, water inlet pipe, rising pipe, supercharge pump, it is characterized in that: an end of described trunk line connects described supercharge pump, the other end of described trunk line is connected on the end cover of capsul, described water inlet pipe is arranged on the described trunk line, the first hand valve is set on the described water inlet pipe, trunk line between described water inlet pipe and described supercharge pump arranges the second hand valve, trunk line between the end cover of described water inlet pipe and described capsul arranges a pressure unit, trunk line at described water inlet pipe and described pressure unit arranges the 3rd hand valve, described rising pipe is arranged on the end cover of capsul, the 4th hand valve is set on the described rising pipe, described capsul hydraulic pressure testing device also comprises control module, and described control module is controlled described supercharge pump according to the information of described pressure unit and made that the certain hydraulic pressure of generation carries out performing leak test in the described capsul.
2. the hydraulic pressure testing device of welded seal shell according to claim 1, it is characterized in that: described trunk line is received on the described end cover by a connecting pipe, is connected by a connector between described connecting pipe and the described trunk line.
3. the hydraulic pressure testing device of welded seal shell according to claim 2, it is characterized in that: respectively there is an end cover at the two ends of described capsul, and described rising pipe and described connecting pipe are arranged on the end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220419810.7U CN202735039U (en) | 2012-08-23 | 2012-08-23 | Water pressure testing device of welded sealing shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220419810.7U CN202735039U (en) | 2012-08-23 | 2012-08-23 | Water pressure testing device of welded sealing shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735039U true CN202735039U (en) | 2013-02-13 |
Family
ID=47660726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220419810.7U Expired - Lifetime CN202735039U (en) | 2012-08-23 | 2012-08-23 | Water pressure testing device of welded sealing shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202735039U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829922A (en) * | 2012-08-23 | 2012-12-19 | 上海第一机床厂有限公司 | Water pressure tester for welding seal shell and test method thereof |
| CN106404314A (en) * | 2016-11-28 | 2017-02-15 | 歌尔股份有限公司 | Liquid medium leak detector |
| CN106525340A (en) * | 2016-09-18 | 2017-03-22 | 大族激光科技产业集团股份有限公司 | Circulating testing equipment |
-
2012
- 2012-08-23 CN CN201220419810.7U patent/CN202735039U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829922A (en) * | 2012-08-23 | 2012-12-19 | 上海第一机床厂有限公司 | Water pressure tester for welding seal shell and test method thereof |
| CN102829922B (en) * | 2012-08-23 | 2015-06-17 | 上海第一机床厂有限公司 | Water pressure tester for welding seal shell and test method thereof |
| CN106525340A (en) * | 2016-09-18 | 2017-03-22 | 大族激光科技产业集团股份有限公司 | Circulating testing equipment |
| CN106404314A (en) * | 2016-11-28 | 2017-02-15 | 歌尔股份有限公司 | Liquid medium leak detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |