CN107804425A - For enclosing well and its installation and application at cargo hold combustion gas mouth piece - Google Patents
For enclosing well and its installation and application at cargo hold combustion gas mouth piece Download PDFInfo
- Publication number
- CN107804425A CN107804425A CN201710522008.8A CN201710522008A CN107804425A CN 107804425 A CN107804425 A CN 107804425A CN 201710522008 A CN201710522008 A CN 201710522008A CN 107804425 A CN107804425 A CN 107804425A
- Authority
- CN
- China
- Prior art keywords
- outer panel
- cargo hold
- plate
- reinforcement
- well
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/14—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed pressurised
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of for enclosing well at cargo hold combustion gas mouth piece, this, which encloses well, includes right-hand apron frame, left side baffle plate frame and connecting plate, connecting plate connects right-hand apron frame and left side baffle plate frame, right-hand apron frame includes the first transverse slat, the first outer panel and the first interior plate, welding forms right-hand apron frame between first transverse slat, the first outer panel and the first interior plate, and the first reinforcement is provided with along inwall in the right-hand apron inframe side；Left side baffle plate frame includes the second transverse slat, the second outer panel and the second interior plate, and welding formation left side baffle plate frame, the second reinforcement is provided with left side baffle plate inframe side along inwall between the second transverse slat, the second outer panel and the second interior plate；One end of connecting plate is connected with the first outer panel, the other end of connecting plate is connected with the second outer panel, top edge is vertically provided with bracket on the inside of connecting plate, bracket is connected with attachment strap, and bracket leaves length surplus with attachment strap connected end, and installing port is left between the first interior plate and the second interior plate.
Description
Technical field
The invention belongs to shipbuilding field, and in particular to one kind is applied to LNG carrier（LNG ship）Cargo hold gas pump
Well and its installation and application are enclosed at suction inlet.
Background technology
A variety of cargo pumps are applied in LNG ship cargo hold, the conventional each cargo hold of ship is furnished with two immersion liquid owner of cargo's pumps,
One immersion sweeping spray pump, the part cargo hold of part ship wherein are furnished with one dedicated for giving cabin double fuel main frame
The gas pump of combustion gas is provided, the pump provides special fuel gas supply for cabin main frame or boiler, and the pump requires the enough of arrangement
It is low, close proximity to tank top invar film, it is not provided with enclosing well accordingly in conventional arrangement, ballast navigates after LNG ship has let out goods
Row order section, cargo compartment liquid level is very low, is ridden the sea plus ship often in the state of vacillating now to the left, now to the right, and causes in combustion gas pumping
Liquid level at mouthful is very unstable, and this will cause the combustion gas for supplying double fuel main frame unstable, so as to cause main frame gas and oil
Frequent even shutdown etc. the consequence of switching.
The content of the invention
For problems of the prior art, the present invention provide it is a kind of at cargo hold combustion gas mouth piece enclose well and its
Installation and application, the present invention can stablize the liquid level at combustion gas mouth piece, guarantor well around the design of gas pump all around well
Demonstrate,prove LNG sustainable supply.
To achieve the above object, the present invention uses following technical scheme：
A kind of to be used to enclose well at cargo hold combustion gas mouth piece, this, which encloses well, includes right-hand apron frame, left side baffle plate frame and connecting plate, institute
Connecting plate is stated to connect right-hand apron frame and left side baffle plate frame,
The right-hand apron frame includes the first transverse slat, the first outer panel and the first interior plate, first transverse slat, the first outer panel
And first welding between interior plate form right-hand apron frame, be provided with the first reinforcement along inwall in the right-hand apron inframe side；
The left side baffle plate frame includes the second transverse slat, the second outer panel and the second interior plate, second transverse slat, the second outer panel and
Welding forms left side baffle plate frame between two interior plates, and the second reinforcement is provided with along inwall in the left side baffle plate inframe side；
One end of the connecting plate is connected with the first outer panel, the other end of connecting plate is connected with the second outer panel, described
Top edge is vertically provided with bracket on the inside of connecting plate, and the bracket is connected with attachment strap, and the bracket leaves length with attachment strap connected end
Surplus is spent, installing port is left between first interior plate and the second interior plate.
First reinforcement include three layers, and it is equidistant be welded in right-hand apron inframe side wall, it is described first strengthen
Weld seam between muscle and right-hand apron inframe side wall is bilateral angle welding, and weld bead height is 0.45 times of minimum plate thickness.
First reinforcement is left-right asymmetry u shape plates, two drift angle roundings of first reinforcement.
Second reinforcement include three layers, and it is equidistant be welded on left side baffle plate inframe side wall on, it is described second strengthen
Weld seam between muscle and left side baffle plate inframe side wall is bilateral angle welding, and weld bead height is 0.45 times of minimum plate thickness.
Second reinforcement is left-right asymmetry u shape plates, two drift angle roundings of second reinforcement.
The connecting plate is bolted to be connected with the first outer panel, the connecting plate be bolted with outside second
Side plate is connected.
The right-hand apron frame, left side baffle plate frame and connecting plate are low temperature austenitic stainless steel 304L materials, described to enclose
Maximum stress point is 106.5Mpa on well.
A kind of installation and application for enclosing well at cargo hold combustion gas mouth piece, comprise the following steps：
The first step, first transverse slat, the first outer panel and the first interior plate are welded together to form right-hand apron frame, in institute
State and three layer of first reinforcement be respectively welded in right-hand apron inframe side wall,
Second step, second transverse slat, the second outer panel and the second interior plate are welded together to form left side baffle plate frame, in institute
State and be respectively welded three layer of second reinforcement in the baffle plate inframe side wall of left side,
3rd step, one end of connecting plate assembled with the first outer panel using bolt together with, recycle bolt to connect
Together with the other end of plate assembles with the second outer panel, and bracket is connected with attachment strap by bolt,
4th step, by assemble it is whole enclose well and be installed in cargo hold, installing port is fastened on pump column foot seat, it is ensured that installing port
The center line of center line and pump column foot seat coincide, and by bolt by the first interior plate and the second interior plate respectively with pump tower
Pedestal side is connected, and attachment strap is connected with the opposite side of pump column foot seat by bolt, encloses well installation.
Enclosing before well uses for the installation carries out static analysis, and the static analysis includes hydrodynamic load and stress
Analysis, in the case of 10% cargo hold liquid level, maximum hydrodynamic load is 32598N, and the maximum pressure born is 0.065
Mpa。
Enclosing before well uses for the installation carries out analysis of fatigue, and the analysis of fatigue includes hydrodynamic load and welding
Regional analysis, in the case of 5% cargo hold liquid level, 10% cargo hold liquid level and 95% cargo hold liquid level, maximum hydrodynamic force
Load is respectively 26907 N, 32598N, 1719 N, and the maximum fatigue damage coefficient that welding region is analyzed to obtain is 0.33.
Compared with prior art, beneficial effects of the present invention are：
1. the present invention can stablize the liquid level at combustion gas mouth piece well, ensure LNG's around the design of gas pump all around well
Sustainable supply, ensure the normal operation of main frame and ship；2. Integrated Static analysis of the present invention and the data of analysis of fatigue：10%
In the case of cargo hold liquid level, maximum hydrodynamic load is 32598N, and the maximum pressure born is 0.065 Mpa；In 5% goods
In the case of cabin liquid level, 10% cargo hold liquid level and 95% cargo hold liquid level, maximum hydrodynamic load is respectively 26907
N, 32598N, 1719 N, it is 0.33 that welding region, which analyzes obtained maximum fatigue damage coefficient, ensure that what the present invention designed encloses
The intensive analysis of well has no problem, and the requirement enclosed well and meet 40 years service life of ship designed, carries significantly
The high service life of ship.
Brief description of the drawings
Fig. 1 is the overall structure stereogram of the present invention.
Fig. 2 is Fig. 1 top view.
Fig. 3 is the top view of right-hand apron frame in Fig. 2.
Fig. 4 is the top view of the first reinforcement in Fig. 2.
Fig. 5 is the top view of left side baffle plate frame in Fig. 2.
Fig. 6 is the top view of the second reinforcement in Fig. 2.
Fig. 7 is the use state figure of the present invention.
Fig. 8 is Fig. 7 top view.
Embodiment
As shown in figures 1-8, the present embodiment be used for cargo hold combustion gas mouth piece at enclose well, this enclose well include right-hand apron frame 1,
Left side baffle plate frame 2 and connecting plate 3, the connecting plate 3 connect right-hand apron frame 1 and left side baffle plate frame 2,
The right-hand apron frame includes the first transverse slat 11, the first outer panel 12 and the first interior plate 13, first transverse slat 11,
Welding forms right-hand apron frame between one outer panel 12 and the first interior plate 13, is provided with the right-hand apron inframe side along inwall
First reinforcement 14；The left side baffle plate frame 2 includes the second transverse slat 21, the second outer panel 22 and the second interior plate 23, and described
Welding forms left side baffle plate frame between two transverse slats 21, the second outer panel 22 and the second interior plate 23, in the left side baffle plate inframe
Side is provided with the second reinforcement 24 along inwall；
One end of the connecting plate 3 is connected with the first outer panel 12, the other end of connecting plate 3 is connected with the second outer panel 22
Connect, the inner side top edge of connecting plate 3 is vertically provided with bracket 4, and the bracket 4 is connected with attachment strap 5, the bracket 4 and attachment strap 5
Connected end leaves length surplus, and installing port 6 is left between the interior plate 23 of the first interior plate 13 and second.
Preferably, the reinforcement of the present embodiment first include three layers, and it is equidistant be welded in right-hand apron inframe side wall,
Weld seam between first reinforcement and right-hand apron the inframe side wall is bilateral angle welding, and weld bead height is minimum thickness of slab
0.45 times of degree, the first reinforcement 14 are left-right asymmetry u shape plates, two drift angle roundings of first reinforcement.
Preferably, the reinforcement of the present embodiment second include three layers, and it is equidistant be welded on left side baffle plate inframe side wall on,
Weld seam between second reinforcement and left side baffle plate inframe side wall is bilateral angle welding, and weld bead height is minimum thickness of slab
0.45 times of degree, the second reinforcement 24 are left-right asymmetry u shape plates, two drift angle roundings of second reinforcement.
As further preferred, the present embodiment connecting plate 3 is bolted to be connected with the first outer panel 12, the connection
Plate 3 is bolted to be connected with the second outer panel 22.
As still more preferably, the present embodiment right-hand apron frame 1, left side baffle plate frame 2 and connecting plate 3 are low temperature Ovshinsky
Body stainless steel 304 L materials, described to enclose stress point maximum on well be 106.5Mpa.
A kind of installation and application for enclosing well at cargo hold combustion gas mouth piece of the present embodiment, comprises the following steps：
The first step, first transverse slat 11, the first outer panel 12 and the first interior plate 13 are welded together to form right-hand apron
Frame, three layer of first reinforcement 14 is respectively welded in the right-hand apron inframe side wall,
Second step, second transverse slat 21, the second outer panel 22 and the second interior plate 23 are welded together to form left side baffle plate
Frame, three layer of second reinforcement 24 is respectively welded in the left side baffle plate inframe side wall,
3rd step, one end of connecting plate 3 assembled with the first outer panel 12 using bolt together with, recycle bolt will be even
Together with the other end of fishplate bar 3 assembles with the second outer panel 22, and bracket 4 is connected with attachment strap 5 by bolt,
4th step, by assemble it is whole enclose well and be installed in cargo hold, installing port 6 is fastened on pump column foot seat 7, it is ensured that installation
The center line of the center line and pump column foot seat 7 of mouth 6 coincides, and is divided the first interior plate 13 and the second interior plate 23 by bolt
It is not connected with the side of pump column foot seat 7, attachment strap 5 is connected with the opposite side of pump column foot seat 7 by bolt, encloses well installation.
Preferably, enclosing before well uses for the present embodiment installation carries out static analysis, the static analysis includes water
Dynamic load(loading) and stress analysis, in the case of 10% cargo hold liquid level, maximum hydrodynamic load is 32598N, is born most
Big pressure is 0.065 Mpa.
As further preferred, the progress analysis of fatigue before enclosing well use of the present embodiment installation, the analysis of fatigue
Analyzed including hydrodynamic load and welding region, it is high in 5% cargo hold liquid level, 10% cargo hold liquid level and 95% cargo hold liquid level
In the case of degree, maximum hydrodynamic load is respectively 26907 N, 32598N, 1719 N, and welding region is analyzed to obtain maximum tired
Labor Damage coefficient is 0.33.
The thickness of sheet material is to carry out selection according to the type selecting of remaining sheet material in cargo hold very much in the present embodiment.
Although above-described embodiment makes specific descriptions to the present invention, come for one of ordinary skill in the art
Say, it is understood that can be modified within the spirit and scope for not departing from the present invention based on present disclosure
Or improve, these modification and improvement are all within the spirit and scope of the present invention.
Claims (10)
- It is 1. a kind of for enclosing well at cargo hold combustion gas mouth piece, it is characterised in that this, which encloses well, includes right-hand apron frame（1）, left side Baffle plate frame（2）And connecting plate（3）, the connecting plate（3）By right-hand apron frame（1）With left side baffle plate frame（2）Connect,The right-hand apron frame includes the first transverse slat（11）, the first outer panel（12）With the first interior plate（13）, described first is horizontal Plate（11）, the first outer panel（12）With the first interior plate（13）Between welding form right-hand apron frame, in the right-hand apron frame Inner side is provided with the first reinforcement along inwall（14）；The left side baffle plate frame（2）Including the second transverse slat（21）, the second outer panel（22） With the second interior plate（23）, second transverse slat（21）, the second outer panel（22）With the second interior plate（23）Between weld formed Left side baffle plate frame, the second reinforcement is provided with along inwall in the left side baffle plate inframe side（24）；The connecting plate（3）One end and the first outer panel（12）It is connected, connecting plate（3）The other end and the second outer panel （22）It is connected, the connecting plate（3）Inner side top edge is vertically provided with bracket（4）, the bracket（4）With attachment strap（5）It is connected, The bracket（4）With attachment strap（5）Connected end leaves length surplus, first interior plate（13）With the second interior plate（23）Between Leave installing port（6）.
- It is 2. according to claim 1 for enclosing well at cargo hold combustion gas mouth piece, it is characterised in that first reinforcement Including three layers, and it is equidistant be welded in right-hand apron inframe side wall, first reinforcement and right-hand apron inframe side wall it Between weld seam be bilateral angle welding, weld bead height is 0.45 times of minimum plate thickness.
- It is 3. according to claim 2 for enclosing well at cargo hold combustion gas mouth piece, it is characterised in that first reinforcement （14）For left-right asymmetry u shape plates, two drift angle roundings of first reinforcement.
- It is 4. according to claim 1 for enclosing well at cargo hold combustion gas mouth piece, it is characterised in that second reinforcement Including three layers, and it is equidistant be welded in the baffle plate inframe side wall of left side, second reinforcement and left side baffle plate inframe side wall it Between weld seam be bilateral angle welding, weld bead height is 0.45 times of minimum plate thickness.
- It is 5. according to claim 4 for enclosing well at cargo hold combustion gas mouth piece, it is characterised in that second reinforcement （24）For left-right asymmetry u shape plates, two drift angle roundings of second reinforcement.
- It is 6. according to claim 1 for enclosing well at cargo hold combustion gas mouth piece, it is characterised in that the connecting plate（3） It is bolted and the first outer panel（12）It is connected, the connecting plate（3）It is bolted and the second outer panel（22）Phase Even.
- It is 7. according to claim 1 for enclosing well at cargo hold combustion gas mouth piece, it is characterised in that the right-hand apron frame （1）, left side baffle plate frame（2）And connecting plate（3）It is low temperature austenitic stainless steel 304L materials, it is described to enclose stress maximum on well Point is 106.5Mpa.
- A kind of 8. installation and application for enclosing well being used at cargo hold combustion gas mouth piece described in claim 1, it is characterised in that Comprise the following steps：The first step, by first transverse slat（11）, the first outer panel（12）With the first interior plate（13）It is welded together to form the right side Side block sheet frame, three layer of first reinforcement is respectively welded in the right-hand apron inframe side wall（14）,Second step, by second transverse slat（21）, the second outer panel（22）With the second interior plate（23）It is welded together to form a left side Side block sheet frame, three layer of second reinforcement is respectively welded in the left side baffle plate inframe side wall（24）,3rd step, using bolt by connecting plate（3）One end and the first outer panel（12）Assemble together, recycle bolt By connecting plate（3）The other end and the second outer panel（22）Assemble together, and by bolt by bracket（4）With attachment strap （5）It is connected,4th step, by assemble it is whole enclose well and be installed in cargo hold, by installing port（6）It is fastened on pump column foot seat（7）On, it is ensured that Installing port（6）Center line and pump column foot seat（7）Center line coincide, and by bolt by the first interior plate（13）With second Interior plate（23）Respectively with pump column foot seat（7）Side is connected, by bolt by attachment strap（5）With pump column foot seat（7）Opposite side Connection, encloses well installation.
- 9. the installation and application according to claim 8 that enclose well at cargo hold combustion gas mouth piece, its feature exists In, enclosing before well uses for the installation carries out static analysis, and the static analysis includes hydrodynamic load and stress analysis, In the case of 10% cargo hold liquid level, maximum hydrodynamic load is 32598N, and the maximum pressure born is 0.065 Mpa.
- 10. the installation and application according to claim 8 that enclose well at cargo hold combustion gas mouth piece, its feature exists In enclosing before well uses for the installation carries out analysis of fatigue, and the analysis of fatigue includes hydrodynamic load and welding region Analysis, in the case of 5% cargo hold liquid level, 10% cargo hold liquid level and 95% cargo hold liquid level, maximum hydrodynamic load Respectively 26907 N, 32598N, 1719 N, the maximum fatigue damage coefficient that welding region is analyzed to obtain are 0.33.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522008.8A CN107804425A (en) | 2017-06-30 | 2017-06-30 | For enclosing well and its installation and application at cargo hold combustion gas mouth piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522008.8A CN107804425A (en) | 2017-06-30 | 2017-06-30 | For enclosing well and its installation and application at cargo hold combustion gas mouth piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107804425A true CN107804425A (en) | 2018-03-16 |
Family
ID=61576446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710522008.8A Pending CN107804425A (en) | 2017-06-30 | 2017-06-30 | For enclosing well and its installation and application at cargo hold combustion gas mouth piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107804425A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201439381U (en) * | 2009-08-19 | 2010-04-21 | 沪东中华造船(集团)有限公司 | Cargo tank gas pump suction device applied to LNG ship |
| CN103043203A (en) * | 2011-10-17 | 2013-04-17 | 贝克船舶系统有限及两合公司 | Device for manoeuvring a watercraft |
| CN203544315U (en) * | 2013-10-11 | 2014-04-16 | 中国船舶重工集团公司第七一五研究所 | Anti-collision three-layer ring structure floating body |
| CN205273808U (en) * | 2015-11-05 | 2016-06-01 | 大连船舶重工集团有限公司 | Floating well drilling production oil storage device pump cabin structure |
-
2017
- 2017-06-30 CN CN201710522008.8A patent/CN107804425A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201439381U (en) * | 2009-08-19 | 2010-04-21 | 沪东中华造船(集团)有限公司 | Cargo tank gas pump suction device applied to LNG ship |
| CN103043203A (en) * | 2011-10-17 | 2013-04-17 | 贝克船舶系统有限及两合公司 | Device for manoeuvring a watercraft |
| CN203544315U (en) * | 2013-10-11 | 2014-04-16 | 中国船舶重工集团公司第七一五研究所 | Anti-collision three-layer ring structure floating body |
| CN205273808U (en) * | 2015-11-05 | 2016-06-01 | 大连船舶重工集团有限公司 | Floating well drilling production oil storage device pump cabin structure |
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Application publication date: 20180316 |
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