CN108716970A - A kind of ship collection defence area air tight test method - Google Patents
A kind of ship collection defence area air tight test method Download PDFInfo
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- CN108716970A CN108716970A CN201810549530.XA CN201810549530A CN108716970A CN 108716970 A CN108716970 A CN 108716970A CN 201810549530 A CN201810549530 A CN 201810549530A CN 108716970 A CN108716970 A CN 108716970A
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- air tight
- tight test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention discloses a kind of ship collection defence area air tight test method comprising following steps：Step S100, air tight test is carried out to each attachment weld of Ship Structure in the segmentation build process in the collection defence area of ship；Step S200, air tight test is carried out to each cabin after the completion of collecting the independent cabin of each segmentation in defence area and building；Step S300, after the completion of entirely collection defence area is built air tight test is carried out to entirely collecting defence area.By the way that the air tight test of Ship Structure is dispersed to synchronous in the build process in entire collection defence area carry out, and most of air tight test can carry out in being segmented build process in internal field, the difficulty of inspection can be effectively reduced, in addition, each stage that air tight test is dispersed to collection defence area carries out that investigation Gas leak position can be convenient for, the efficiency for examining work is greatly improved, is conducive to shorten the period of collection defence area air tight test, the difficulty of construction and ship for reducing collection defence area build the period.
Description
Technical field
The present invention relates to shipbuilding technical field more particularly to a kind of ship collection defence area air tight test methods.
Background technology
Ship can encounter the danger such as fire when riding the sea, therefore collective can be arranged on ship and prevent for part ship
Area (referred to as collection defence area) is protected, supercharging device is provided in collection defence area and can guarantee that the external superpressure of air is stablized certain in closed area
In the range of, it effectively prevent the substances such as toxic gas, chemistry, biology and radioactivity suspended matter particle to enter collection defence area, in order to
Ship's staff is from injury of the substances to human body such as poisonous gas, chemistry, biology and radioactivity suspended matter particles.It is built in collection defence area
It needing to carry out air tight test to the various pieces for collecting defence area in the process, the air-tightness to meet collection defence area meets the anti-requirement of collection,
Ensure the personal safety of personnel in collection defence area.
In the build process of the ship in existing band collection defence area, the air tight test to collecting defence area is mainly always installed in ship
At rear progress, specifically the air-tightness in the cabin of ship and entire collection defence area is gradually examined, presence inspection heavy workload,
The defect that round of visits is long, operation difficulty is big, does not utilize fast construction and the cost control of ship.
Invention content
It is an object of the invention to：A kind of ship collection defence area air tight test method is provided, inspection can be effectively reduced
Difficulty, shorten collection defence area air tight test period.
For this purpose, the present invention uses following technical scheme：
There is provided a kind of ship collection defence area air tight test method comprising following steps：
Step S100, in the segmentation build process in the collection defence area of ship to each attachment weld of Ship Structure into promoting the circulation of qi
Close property is examined；
Step S200, to each independence after the completion of the independent cabin of each segmentation in the collection defence area is built
Cabin carries out air tight test；
Step S300, attachment weld after the completion of the entire collection defence area is built between each independent cabin into
Row air tight test.
As a kind of preferred technical solution of the present invention, the step S100 includes the following steps：
Step S110, air tight test is done to the attachment weld of Ship Structure in the stage of building of the segmentation；
Step S120, the iron Xi parts of the ship are assembled and carry out air tight test；
Step S130, the pipe Xi parts of the ship are assembled and carry out air tight test.
As a kind of preferred technical solution of the present invention, the step S200 includes the following steps：
Step S210, after the completion of the independent cabin is built to the attachment weld of the Ship Structure in the independent cabin into
Row air tight test；
Step S220, air tight test is carried out to the attachment weld of the iron Xi parts in the independent cabin and independent cabin；
Step S230, air tight test is carried out to the attachment weld of the pipe Xi parts in the independent cabin and independent cabin；
Step S240, whole air tight test is carried out to the independent cabin.
As a kind of preferred technical solution of the present invention, the step S300 includes the following steps：
Step S310, air tight test is carried out to airtight air pipeline after the completion of the collection defence area is built；
Step S320, it pair can close air port and carry out air tight test；
Step S330, air tight test is carried out to cable penetrating position；
Step S340, gas leakage measurement is integrally carried out to collection defence area.
As a kind of preferred technical solution of the present invention, the step S110 is specially to each attachment weld
Attachment weld carries out air tight test using vacuumizing method.
As a kind of preferred technical solution of the present invention, the step S120 is specially the assembling in the iron Xi parts
Air tight test is carried out using vacuumizing method to the attachment weld of all parts in journey.
As a kind of preferred technical solution of the present invention, the step S130 is specially the assembling in the pipe Xi parts
Air tight test is carried out using vacuumizing method to the attachment weld of all parts in journey.
As a kind of preferred technical solution of the present invention, the step S240 includes the following steps：
Step S241, the independent cabin is sealed to form closed area；
Step S242, certain air pressure is inflated to the closed independent cabin；
Step S243, stop being inflated the independent cabin, and detect the independent cabin within a certain period of time
Air pressure drop-out value；
Step S244, judge that air pressure drop-out value is to meet air tight test requirement, enter in next step if meeting the requirements
Construction, checks specific air leakage point, and mark if it does not meet the requirements,；
Step S245, the mark point for stamping the label in step S244 is repaired, and carries out the step again
S241 to the step S244.
As a kind of preferred technical solution of the present invention, the requirement in the step S244 be to the cabin be filled with to
The compressed air of 1000Pa, and the air pressure drop-out value △ P≤325Pa for monitoring the cabin after 30 minutes are qualification.
As a kind of preferred technical solution of the present invention, the air tight test includes vacuumizing method, aeration, coloring
Defectoscopy and magnaflux.
Beneficial effects of the present invention are：By the way that the air tight test of Ship Structure is dispersed to building for entire collection defence area
It is synchronous in journey to carry out, and most of air tight test can synchronize progress in being segmented build process, can effectively reduce inspection
Difficulty, in addition, by air tight test be dispersed to collection defence area each stage carry out can be convenient for investigation Gas leak position, greatly carry
The high efficiency for examining work, is conducive to shorten the period of collection defence area air tight test, reduces the difficulty of construction and ship in collection defence area
Build the period.
Description of the drawings
Below according to drawings and examples, invention is further described in detail.
Fig. 1 is the flow chart of ship collection defence area air tight test method described in embodiment.
Specific implementation mode
For make present invention solves the technical problem that, the technical solution that uses and the technique effect that reaches it is clearer, below
The technical solution of the embodiment of the present invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
The every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；Can be mechanical connection,
It can be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the company inside two elements
Logical or two elements interaction relationship.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
As shown in Figure 1, in this present embodiment, a kind of ship collection defence area of the present invention air tight test method, packet
Include following steps：
Step S100, in the segmentation build process in the collection defence area of ship to each attachment weld of Ship Structure into promoting the circulation of qi
Close property is examined；
Step S200, each independent cabin is carried out after the completion of collecting the independent cabin of each segmentation in defence area and building airtight
Property examine；
Step S300, the attachment weld after the completion of entirely collection defence area is built between each independent cabin carries out air-tightness inspection
It tests.
By the way that the air tight test of Ship Structure is dispersed to synchronous progress in the build process in entire collection defence area, and big portion
Divide air tight test that can synchronize progress in being segmented build process, the difficulty of inspection can be effectively reduced, in addition, by air-tightness
It examines each stage for being dispersed to collection defence area to carry out that investigation Gas leak position can be convenient for, greatly improves the efficiency for examining work,
Conducive to the period of collection defence area air tight test is shortened, the difficulty of construction and ship that reduce collection defence area build the period.
In embodiments of the present invention, step S100 includes the following steps：
Step S110, air tight test is done to the attachment weld of Ship Structure in the stage of building of segmentation.
Further, air tight test is carried out using vacuumizing method to the attachment weld of each attachment weld.Wherein, each
Attachment weld is included in the attachment weld between the deck in segmentation build process, outside plate, bulkhead and other structural members.Such as it adopts
Arc welding, CO2 etc. dock watertight weld seam, and the pilot seam after repairing by hand.
Step S120, the iron Xi parts of ship are assembled and carry out air tight test.
Further, utilize vacuumizing method into promoting the circulation of qi the attachment weld of all parts in the assembling process of iron Xi parts
Close property is examined, and being carried out, can effectively be reduced by will be advanced in the build process of iron Xi parts to the air tight test of iron Xi parts
The workload of later stage air tight test, that improves collection defence area builds efficiency.
Step S130, the pipe Xi parts of ship are assembled and carry out air tight test.
Further, airtight using vacuumizing method progress to the attachment weld of all parts in the assembling process of pipe Xi parts
Property examine, carried out in the internal field production phase by the way that the pipe Xi parts in defence area will be collected, the work that can effectively reduce air tight test is difficult
Degree reduces the workload of later stage air tight test, and that improves collection defence area builds efficiency.
In embodiments of the present invention, step S200 includes the following steps：
Step S210, air-tightness is carried out to the attachment weld of the Ship Structure in independent cabin after the completion of independent cabin is built
It examines, the link position of wherein Ship Structure refers specifically to form the link position of each segmentation in independent cabin, that is, connecting
The welding position welded in journey.
Step S220, air tight test is carried out to the iron Xi parts in independent cabin, is installed to the indoor iron Xi parts of independent tank
After the completion, the connection structure between iron Xi parts and independent cabin does air tight test, with ensure iron Xi parts and independent cabin it
Between connection structure leakproofness.
Step S230, air tight test is carried out to the pipe Xi parts in independent cabin, is installed to the indoor pipe Xi parts of independent tank
After the completion, the connection structure between pipe Xi parts and independent cabin does air tight test, with ensure pipe Xi parts and independent cabin it
Between connection structure leakproofness.
Step S240, whole air tight test is carried out to independent cabin, specific practice is as follows：
Step S241, independent cabin is sealed to form closed area；
Step S242, certain air pressure is inflated to closed independent cabin；
Step S243, stop being inflated independent cabin, and the air pressure for detecting independent cabin within a certain period of time declines
Value；
Step S244, judge that air pressure drop-out value is to meet air tight test requirement, enter in next step if meeting the requirements
Construction, checks specific air leakage point, and mark if it does not meet the requirements,.
Step S245, the mark point marked in step S244 is repaired, and carries out step S241 again to step
Rapid S244.
Further, the requirement in step S244 is to be filled with cabin to the compressed air of 1000Pa, and monitor process
The air pressure drop-out value △ P≤325Pa in cabin are qualification after 30 minutes.
Due to carrying out air tight test to each connecting component during segmentation is built, it can be ensured that in independence
The air-tightness for building all connections before completing in cabin, at this point, need to only pass through close and carry out whole to independent cabin
The air tight test in independent cabin can be rapidly completed in the air tight test of body, and no longer needs each portion indoor to independent tank
Part individually carries out air tight test, can greatly reduce the work difficulty of air tight test, reduces the air tight test work in later stage
Make, and find the difficulty of air leakage point, working efficiency can be greatly improved.
In embodiments of the present invention, step S300 includes the following steps：
Step S310, air tight test is carried out to airtight air pipeline after the completion of collecting defence area and building；
Step S320, it pair can close air port and carry out air tight test；
Step S330, air tight test is carried out to cable penetrating position；
Step S340, gas leakage measurement is integrally carried out to collection defence area.
By after the completion of being built in collection defence area respectively to airtight ventilation duct, air port and cable penetrating position can be closed individually carry out
Air tight test can avoid airtight ventilation duct, the setting that can close air port and cable penetrating causes the air-tightness for collecting defence area entirety
It influences, the influence factor for reducing the air-tightness to collecting defence area effectively raises the work of air tight test convenient for determining air leakage point
Make efficiency.
In embodiments of the present invention, the specifically used method of air tight test includes vacuumizing method, aeration, dye penetrant inspection
Method and magnaflux, the position that can be examined according to actual needs select suitable specific method to carry out air tight test.
In the present invention, the airtight test distribution of Ship Structure weld seam carries out in the sectional making stage, and Ship Structure is big
The airtight test for closing up weld seam carries out in the carrying stage, to ensure that the pressurize for not influencing the subsequent sections air seal test stage is examined
It looks into, and leaves iron grace times such as part, pipe footpath between fields part of dwelling for and pre-install.The weldering for the position wherein welded using automatic welding abutment joint, fine melt
The air-tightness of seam can be inspection-free.In the air tight test in sectional making stage, mainly checked in such a way that weld seam vacuumizes, point
The undivided chambers that the section stage includes can not locally vacuumize after local sealing plate using be checked by the way of the inflation of whole cabin,
The position of air test Dye inspectiong and magnaflux carry out.
Specifically, vacuumizing method is：Test liquid (5% concentration soap is sprayed in examined fillet weld or butt weld
Solution)；Then in welded joints by the covering of machine glass transparent vacuum box；Then in vacuum box and injecting compressed air, so that very
Vacuum state is formed in sylphon；Finally, observe be examined weld seam whether have bubble generate with determine commissure whether gas leakage.
Vacuumizing method is applicable to the docking watertight weld seam such as manual electric arc welding, CO2, watertight fillet weld, the examination after repairing
Test weld seam.
Dye inspectiong is：Pre-cleaning is carried out to examined face of weld first；Then it after face of weld drying, applies
Add penetrating fluid, and wipes out extra penetrating fluid；Secondly, after being kept for a period of time, the bleeding agent of face of weld is wiped off, simultaneously
Developer is sprayed in face of weld, to examine face of weld to whether there is gas leak phenomenon.
Dye inspectiong is mainly used for air test and vacuumizes the weld seam that experiment can not operate, as leak-stopping hole, leak-stopping weld
Section, pipe feed-through, manhole seat board etc..
Aeration is：Be filled with cabin with compressed air, check commissure whether gas leakage.The air pressure being filled in cabin is
1000Pa, pressurize 30 minutes allow pressure to be reduced to 325Pa.If air pressure drop is more than permissible value, then cabin is inflated, keeps certain
Pressure.It in collection stand-off missle side spray suds, then checks whether weld seam, door and window, perforation, valve member, ventilation opening etc. survey gas, such as sends out
The place of existing gas leakage then marks post-processing.
In description herein, it is to be understood that the orientation or positional relationships such as term "upper" are based on ... shown in the drawings
Orientation or positional relationship is merely for convenience of describing and simplifying operation, does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of this specification, the description of reference term " embodiment " etc. means the specific spy in conjunction with the embodiment
Sign, structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned
The schematic representation of term is not necessarily referring to identical embodiment.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only to understand that device, those skilled in the art should
It considers the specification as a whole, the technical solutions in the embodiments can also be appropriately combined, and forming those skilled in the art can
With the other embodiment of understanding.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on the explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of ship collection defence area air tight test method, which is characterized in that it includes the following steps：
Step S100, air-tightness is carried out to each attachment weld of Ship Structure in the segmentation build process in the collection defence area of ship
It examines；
Step S200, to each independent cabin after the completion of the independent cabin of each segmentation in the collection defence area is built
Carry out air tight test；
Step S300, attachment weld after the completion of the entire collection defence area is built between each independent cabin is into promoting the circulation of qi
Close property is examined.
2. ship collection according to claim 1 defence area air tight test method, which is characterized in that the step S100 includes
Following steps：
Step S110, air tight test is done to the attachment weld of Ship Structure in the stage of building of the segmentation；
Step S120, the iron Xi parts of the ship are assembled and carry out air tight test；
Step S130, the pipe Xi parts of the ship are assembled and carry out air tight test.
3. ship collection according to claim 1 defence area air tight test method, which is characterized in that the step S200 includes
Following steps：
Step S210, after the completion of the independent cabin is built to the attachment weld of the Ship Structure in the independent cabin into promoting the circulation of qi
Close property is examined；
Step S220, air tight test is carried out to the attachment weld of the iron Xi parts in the independent cabin and independent cabin；
Step S230, air tight test is carried out to the attachment weld of the pipe Xi parts in the independent cabin and independent cabin；
Step S240, whole air tight test is carried out to the independent cabin.
4. ship collection according to claim 1 defence area air tight test method, which is characterized in that the step S300 includes
Following steps：
Step S310, air tight test is carried out to airtight air pipeline after the completion of the collection defence area is built；
Step S320, it pair can close air port and carry out air tight test；
Step S330, air tight test is carried out to cable penetrating position；
Step S340, gas leakage measurement is integrally carried out to the collection defence area.
5. ship collection according to claim 2 defence area air tight test method, which is characterized in that the step S110 is pair
The attachment weld of each attachment weld carries out air tight test using vacuumizing method.
6. ship collection according to claim 2 defence area air tight test method, which is characterized in that the step S120 be
Air tight test is carried out using vacuumizing method to the attachment weld of all parts in the assembling process of the iron Xi parts.
7. ship collection according to claim 2 defence area air tight test method, which is characterized in that the step S130 be
Air tight test is carried out using vacuumizing method to the attachment weld of all parts in the assembling process of the pipe Xi parts.
8. ship collection according to claim 3 defence area air tight test method, which is characterized in that the step S240 includes
Following steps：
Step S241, the independent cabin is sealed to form closed area；
Step S242, certain air pressure is inflated to the closed independent cabin；
Step S243, stop being inflated the independent cabin, and detect the air pressure in the independent cabin within a certain period of time
Drop-out value；
Step S244, judge that air pressure drop-out value is to meet air tight test requirement, enter if meeting the requirements and construct in next step,
Specific air leakage point is checked if it does not meet the requirements, and is marked；
Step S245, the mark point for stamping the label in step S244 is repaired, and carries out the step S241 again
To the step S244.
9. ship collection according to claim 8 defence area air tight test method, which is characterized in that in the step S244
It is required that be filled with the cabin to the compressed air of 1000Pa, and monitor the air pressure drop-out value in the cabin after 30 minutes
△ P≤325Pa are qualification.
10. according to claim 1 to 9 any one of them ship collection defence area air tight test method, which is characterized in that the gas
Close property inspection includes vacuumizing method, aeration, Dye inspectiong and magnaflux.
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| CN110254616A (en) * | 2019-06-27 | 2019-09-20 | 广船国际有限公司 | A kind of construction and detection method, seawater box unit and ship of seawater box unit |
| CN110254616B (en) * | 2019-06-27 | 2022-02-11 | 广船国际有限公司 | Construction and detection method of seawater tank unit, seawater tank unit and ship |
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Application publication date: 20181030 |