CN109911138A - The design method and ship of a kind of discharge orifice in ballast tank of ship - Google Patents
The design method and ship of a kind of discharge orifice in ballast tank of ship Download PDFInfo
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- CN109911138A CN109911138A CN201910253264.0A CN201910253264A CN109911138A CN 109911138 A CN109911138 A CN 109911138A CN 201910253264 A CN201910253264 A CN 201910253264A CN 109911138 A CN109911138 A CN 109911138A
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Abstract
The present invention relates to shipbuilding technical fields, disclose the design method and ship of the discharge orifice in a kind of ballast tank of ship, the design method is comprising steps of S1, determine the diameter of the position of suction inlet and the suction inlet in ballast tank, and go out in the ballast tank to extract out the sectional area S of water flow according to the diameter calculation of the suction inlet；S2, the size for needing the discharge orifice arranged is determined；S3, by enclosing in the ballast tank around the suction inlet, lattice are divided into multiple ranks encloses lattice；S4, according to the diameter of the suction inlet and the size of the discharge orifice, calculate the quantity for enclosing the discharge orifice on lattice of different stage.The design method of discharge orifice in ballast tank of ship disclosed by the invention, reasonable Arrangement discharge orifice, empties ballast water before the deadline, and ballast pump is avoided to dally.Ship disclosed by the invention, reasonable Arrangement discharge orifice, empties ballast water before the deadline, and ballast pump is avoided to dally, and extends the service life.
Description
Technical field
The present invention relates to a kind of design methods of the discharge orifice in shipbuilding technical field more particularly to ballast tank of ship
And ship.
Background technique
During shipping transport, the ballast water in ballast tank often carries out replacement operator, when ship excludes ballast, quilt
The ballast water in each region that cabin inner member separates flows into ballast water by the aperture (including lightening hole, manhole, discharge orifice) in cabin
Then suction inlet region is discharged by ballast pump, complete drain operation.And when water level is lower in cabin, ballast water can only pass through position
Suction inlet is flowed into the discharge orifice of ballast tank bottom.
In the ship-related products runed at present, when ship excludes that water level is lower in ballast tank, due to can only be by being located at
The discharge orifice of bottom flows into suction inlet, and discharge orifice is oversized or amount is excessive, will have an impact to the structural strength of double bottom.And
Flowing water hole area is too small necessarily to lead to slackening for row pressure loading capability, increases water discharge time, while being easy to make ballast pump because of reality
Flow is too low and idle running phenomenon occurs in cisco unity malfunction.
Summary of the invention
It, can be reasonable it is an object of the invention to propose the design method and ship of the discharge orifice in a kind of ballast tank of ship
It arranges discharge orifice, ballast pump is avoided to dally.
To achieve this purpose, the present invention adopts the following technical scheme:
The present invention provides a kind of design method of the discharge orifice in ballast tank of ship, comprising steps of
S1, the diameter of the position of suction inlet and the suction inlet in ballast tank is determined, and according to the diameter of the suction inlet
Calculate the sectional area S of extraction water flow in the ballast tank；
S2, the size for needing the discharge orifice arranged is determined；
S3, by enclosing in the ballast tank around the suction inlet, lattice are divided into multiple ranks encloses lattice；
S4, according to the diameter of the suction inlet and the size of the discharge orifice, calculate the institute enclosed on lattice of different stage
State the quantity of discharge orifice.
The design method of discharge orifice in the ballast tank of ship calculates not according to the diameter of suction inlet and the size of discharge orifice
The quantity for enclosing the discharge orifice on lattice of same level, so can discharge orifice near reasonable Arrangement suction inlet, so that ship be made to advise
The phenomenon that ballast water can be emptied in the fixed time, while ballast pump being avoided to dally.
A kind of preferred embodiment of design method as the discharge orifice in above-mentioned ballast tank of ship, in the step S3,
The lattice that enclose where the suction inlet are divided into the first order and enclose lattice, and by around the first order enclose lattice it is multiple enclose lattice according to institute
It states the first order and encloses the distances of lattice and be divided into multistage and enclose lattice.
A kind of preferred embodiment of design method as the discharge orifice in above-mentioned ballast tank of ship will be enclosed with the first order
The adjacent lattice that enclose of lattice are divided into the second level and enclose lattice, and it is adjacent and enclose enclosing for lattice side far from the first order to enclose lattice with the second level
Lattice are divided into the third level and enclose lattice.
A kind of preferred embodiment of design method as the discharge orifice in above-mentioned ballast tank of ship, the first order are enclosed on lattice
The discharge orifice the gross area be S1, show that the first order encloses the quantity of the discharge orifice on lattice according to S1 >=2S；Described
The gross area that second level encloses the discharge orifice on lattice is S2, show that the flowing water on lattice is enclosed in the second level according to S2 >=1.5S
The quantity in hole；The gross area that the third level encloses the discharge orifice on lattice is S3, obtains the third level according to S3 >=1.25S
Enclose the quantity of the discharge orifice on lattice.The discharge orifices at different levels enclosed on lattice are designed according to the distance at a distance from lattice is enclosed with the first order
Quantity makes ballast tank of ship by the way that in suction inlet drainage procedure, the discharge orifices at different levels enclosed on lattice can quickly be carried out ballast water
Discharge.
A kind of preferred embodiment of design method as the discharge orifice in above-mentioned ballast tank of ship, the first order is enclosed
The discharge orifice that lattice, the second level enclose lattice and the third level encloses on lattice is evenly arranged.By the way that discharge orifice is enclosed at different levels
It is evenly arranged in lattice, can make water is evenly dispersed to be flowed into suction inlet.
A kind of preferred embodiment of design method as the discharge orifice in above-mentioned ballast tank of ship, in the step S2,
While determining the size of the discharge orifice, the shape of the discharge orifice is determined.The shape of discharge orifice is determined, convenient for subsequent
In the arrangement of discharge orifice more rationally.
A kind of preferred embodiment of design method as the discharge orifice in above-mentioned ballast tank of ship, the suction inlet are arranged in institute
State enclosing in lattice close to the side of watertight wall in ballast tank of ship.The intensity of the position is larger, and suction inlet setting makes ship in the position
Oceangoing ship ballast tank generates deformation.
A kind of preferred embodiment of design method as the discharge orifice in above-mentioned ballast tank of ship, the length etc. for enclosing lattice
In the distance between two pieces of floors adjacent in the ballast tank of ship, the width for enclosing lattice is equal between adjacent two pieces of vertical bones
Distance.
A kind of preferred embodiment of design method as the discharge orifice in above-mentioned ballast tank of ship, the water in the ballast tank
It flows the lattice that enclose enclosed around lattice from the first order and encloses the flowing of lattice direction to the first order.Water is enclosed by the first order and encloses lattice around lattice
Lattice direction is enclosed to the first order to flow, and then is discharged by suction inlet.
The present invention also provides a kind of ships, using the design method of the discharge orifice in above-mentioned ballast tank of ship to ship pressure
The discharge orifice carried in cabin is designed.The ship can reasonably arrange the discharge orifice in ballast tank, can be defined
Ballast water is emptied in time, and ballast pump is avoided to dally, and extends the service life of ballast tank of ship.
Beneficial effects of the present invention:
The design method of discharge orifice in ballast tank of ship proposed by the present invention, according to the ruler of the diameter of suction inlet and discharge orifice
It is very little, calculate the quantity for enclosing the discharge orifice on lattice of different stage, and then can discharge orifice near reasonable Arrangement suction inlet, thus
The phenomenon that making ship that can empty ballast water before the deadline, while ballast pump being avoided to dally.
Ship provided by the invention, using the design method of the discharge orifice in above-mentioned ballast tank of ship to ballast tank of ship
Interior discharge orifice is designed.The ship can reasonably arrange the discharge orifice in ballast tank, can be in the defined time
Interior emptying ballast water, and ballast pump is avoided to dally, extend the service life of ship.
Detailed description of the invention
Fig. 1 is the flow chart of the design method of the discharge orifice in the ballast tank of ship that embodiment of the present invention one provides；
Fig. 2 is the flow chart of the design method of the discharge orifice in the ballast tank of ship that embodiment of the present invention two provides；
Fig. 3 is that the structure of the division mode for enclosing lattice in the ballast tank around the suction inlet that embodiment of the present invention two provides is shown
It is intended to；
Fig. 4 is the structural schematic diagram that the first order that embodiment of the present invention two provides encloses lattice；
Fig. 5 is the structural schematic diagram that lattice are enclosed in the second level that embodiment of the present invention two provides；
Fig. 6 is the structural schematic diagram that the third level that embodiment of the present invention two provides encloses lattice.
In figure:
100, suction inlet；200, watertight wall；300, bone is indulged；400, floor；
1, the first order encloses lattice；2, lattice are enclosed in the second level；3, the third level encloses lattice.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment one:
Present embodiment provides a kind of design method of the discharge orifice in ballast tank of ship, as shown in Figure 1, including following step
It is rapid:
S11, the diameter of the position of suction inlet 100 and suction inlet 100 in ballast tank is determined, and according to the straight of suction inlet 100
Diameter calculates the sectional area S of extraction water flow in ballast tank.
S12, the size for needing the discharge orifice arranged is determined.
S13, by enclosing in the ballast tank around suction inlet 100, lattice are divided into multiple ranks encloses lattice.
In step s 13, the lattice that enclose where suction inlet 100 are divided into the first order and enclose lattice 1, and lattice 1 will be enclosed around the first order
Multiple enclose lattice and be divided into multistage at a distance from lattice 1 and enclose lattice according to being enclosed with the first order.
S14, according to the diameter of suction inlet 100 and the size of discharge orifice, calculate the number for enclosing the discharge orifice on lattice of different stage
Amount.
The design method of discharge orifice in the ballast tank of ship is calculated according to the diameter of suction inlet 100 and the size of discharge orifice
The quantity for enclosing the discharge orifice on lattice of different stage out, so can discharge orifice near reasonable Arrangement suction inlet 100, to make ship
Oceangoing ship can empty ballast water before the deadline, while the phenomenon that avoid ballast pump from dallying.
Embodiment two:
Present embodiment provides a kind of design method of the discharge orifice in ballast tank of ship, is on the basis of embodiment one
On the improvement made, as shown in Figure 2, comprising the following steps:
S21, the diameter of the position of suction inlet 100 and suction inlet 100 in ballast tank is determined, and according to the straight of suction inlet 100
Diameter calculates the sectional area S of extraction water flow in ballast tank.
S22, the shape and size for needing the discharge orifice arranged are determined.
In step S22, while determining the size of discharge orifice, the shape of discharge orifice is determined.Determine the shape of discharge orifice,
Convenient for more reasonable in the arrangement of subsequent discharge orifice.
S23, the lattice that enclose where suction inlet 100 are divided into the first order and enclose lattice 1, drawn the adjacent lattice that enclose of lattice 1 are enclosed with the first order
It is divided into the second level and encloses lattice 2, encloses that lattice 2 are adjacent and the lattice that enclose that enclose 1 side of lattice far from the first order are divided into the third level and enclose lattice 3 with the second level
(shown in Figure 3).
S24, according to the diameter of suction inlet 100 and the size of discharge orifice, the gross area that the first order encloses the discharge orifice on lattice 1 is
S1 show that the first order encloses the quantity of the discharge orifice on lattice 1 according to S1 >=2S；The gross area that the discharge orifice on lattice 2 is enclosed in the second level is
S2 show that the quantity of the discharge orifice on lattice 2 is enclosed in the second level according to S2 >=1.5S；The third level encloses the gross area of the discharge orifice on lattice 3
For S3, show that the third level encloses the quantity of the discharge orifice on lattice 3 according to S3 >=1.25S.It is remote at a distance from lattice 1 according to being enclosed with the first order
The quantity at different levels enclosed on lattice are closely designed, make ballast tank of ship in passing through 100 drainage procedure of suction inlet, the discharge orifices at different levels enclosed on lattice
Quickly ballast water can be discharged.In addition, according to the range of the quantity of the above-mentioned discharge orifice obtained, it is also necessary to discharge orifice
Quantity controlled, guarantee the intensity of hull structural member.
Preferably, the first order is enclosed into lattice 1, lattice 2 are enclosed in the second level and the third level encloses being evenly arranged for discharge orifice on lattice 3.It is logical
It crosses and is evenly arranged discharge orifice at different levels enclose in lattice, can make water is evenly dispersed to be flowed into suction inlet 100.Since the third level encloses lattice
Region other than 3 can be not considered much larger than region locating for suction inlet 100.The setting of suction inlet 100 is close in ballast tank of ship
It encloses in lattice the side of watertight wall 200.The intensity of the position is larger, and the setting of suction inlet 100 generates ballast tank of ship in the position
Deformation.
The length for enclosing lattice is equal to the distance between adjacent two pieces of floors 400 in ballast tank of ship, and the width for enclosing lattice is equal to phase
The distance between adjacent two pieces of vertical bones 300.
Water flow in ballast tank encloses the lattice that enclose around lattice 1 from the first order and encloses the flowing of 1 direction of lattice to the first order.Water is by the first order
The lattice that enclose enclosed around lattice 1 enclose the flowing of 1 direction of lattice to the first order, and then are discharged by suction inlet 100.
As shown in figure 4, the area that the first order encloses discharge orifice on three sides of the removing watertight plate 200 of lattice 1 is respectively as follows:
1a, 1b, 1a ', the first order enclose lattice 1 and need to meet 1a+1b+1a ' >=2S, since the shape and size of each discharge orifice are identical, each
It is evenly distributed that level-one encloses lattice 1, it can be deduced that and the first order encloses the gross area of the discharge orifice on lattice 1, then obtains the quantity of discharge orifice,
Reasonable Arrangement discharge orifice.
As shown in figure 5, the area that discharge orifice on each side of lattice 2 is enclosed in the second level be respectively as follows: 2a, 2b, 2c, 2d, 2c ',
2b ', 2a ', the second level enclose lattice 2 and need to meet 2a+2b+2c+2d+2c '+2b '+2a ' >=1.5S, due to each discharge orifice shape and
Size is identical, and it is evenly distributed that lattice 2 are enclosed in each second level, it can be deduced that the gross area of the discharge orifice on lattice 2 is enclosed in the second level, then obtains
The quantity of discharge orifice, reasonable Arrangement discharge orifice.
As shown in fig. 6, the area that the third level encloses discharge orifice on each side of lattice 3 be respectively as follows: 3a, 3b, 3c, 3d, 3e, 3f,
3e ', 3d ', 3c ', 3b ', 3a ', the third level enclose lattice 3 and need to meet 3a+3b+3c+3d+3e+3f+3e '+3d '+3c '+3b '+3a '
>=1.25S, since the shape and size of each discharge orifice are identical, it is evenly distributed that each third level encloses lattice 3, it can be deduced that the third level encloses lattice
Then the gross area of discharge orifice on 3 obtains the quantity of discharge orifice, reasonable Arrangement discharge orifice.
Embodiment three:
The present invention also provides a kind of ships, using the stream in the ballast tank of ship of above embodiment one or embodiment two
The design method in water hole is designed the discharge orifice in the ballast tank of ship.The ship can to the discharge orifice in ballast tank into
The reasonable arrangement of row, can empty ballast water, and ballast pump is avoided to dally before the deadline, extend making for ship
Use the service life.
Note that above are only presently preferred embodiments of the present invention.It will be appreciated by those skilled in the art that the present invention is not limited to here
The specific embodiment, be able to carry out for a person skilled in the art it is various it is apparent variation, readjust and substitution and
Without departing from the scope of protection of the present invention.Therefore, although the present invention has been described in more detail through the above examples,
But the present invention is not limited to the above embodiments only, without departing from the inventive concept, can also include it is more other
Equivalent embodiment, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of design method of the discharge orifice in ballast tank of ship, which is characterized in that comprising steps of
The diameter of S1, the position for determining suction inlet in ballast tank (100) and the suction inlet (100), and according to the suction inlet
(100) diameter calculation goes out the sectional area S of extraction water flow in the ballast tank；
S2, the size for needing the discharge orifice arranged is determined；
S3, by enclosing in the ballast tank around the suction inlet (100), lattice are divided into multiple ranks encloses lattice；
S4, according to the diameter of the suction inlet (100) and the size of the discharge orifice, calculate the institute enclosed on lattice of different stage
State the quantity of discharge orifice.
2. the design method of the discharge orifice in ballast tank of ship according to claim 1, which is characterized in that in the step
In S3, the lattice that enclose where the suction inlet (100) are divided into the first order and enclosed lattice (1), and lattice (1) will be enclosed around the first order
It is multiple to enclose lattice and be divided into multistage at a distance from lattice (1) and enclose lattice according to being enclosed with the first order.
3. the design method of the discharge orifice in ballast tank of ship according to claim 2, which is characterized in that will be with described
Level-one encloses the adjacent lattice that enclose of lattice (1) and is divided into the second level and encloses lattice (2), and it is adjacent and far from described the to enclose lattice (2) with the second level
The lattice that enclose that level-one encloses lattice (1) side are divided into the third level and enclose lattice (3).
4. the design method of the discharge orifice in ballast tank of ship according to claim 3, which is characterized in that the first order
The gross area for enclosing the discharge orifice on lattice (1) is S1, show that the first order encloses the discharge orifice on lattice (1) according to S1 >=2S
Quantity；The gross area that the discharge orifice on lattice (2) is enclosed in the second level is S2, show that the second level is enclosed according to S2 >=1.5S
The quantity of the discharge orifice on lattice (2)；The gross area that the third level encloses the discharge orifice on lattice (3) is S3, according to S3
>=1.25S show that the third level encloses the quantity of the discharge orifice on lattice (3).
5. the design method of the discharge orifice in ballast tank of ship according to claim 4, which is characterized in that by described first
Grade encloses lattice (1), the discharge orifice that lattice (2) are enclosed in the second level and the third level encloses on lattice (3) is evenly arranged.
6. the design method of the discharge orifice in -5 in any ballast tank of ship according to claim 1, which is characterized in that
In the step S2, while determining the size of the discharge orifice, the shape of the discharge orifice is determined.
7. according to the design method of the discharge orifice in the ballast tank of ship any in claim 2-5, which is characterized in that institute
It states suction inlet (100) and enclosing in lattice close to the side of watertight wall (200) is set in the ballast tank of ship.
8. according to the design method of the discharge orifice in the ballast tank of ship any in claim 2-5, which is characterized in that institute
The length for enclosing lattice is stated equal to the distance between adjacent two pieces of floors (400) in the ballast tank of ship, the width etc. for enclosing lattice
In the distance between adjacent two pieces vertical bones (300).
9. according to the design method of the discharge orifice in the ballast tank of ship any in claim 2-5, which is characterized in that institute
It states the lattice that enclose that the water flow in ballast tank is enclosed from the first order around lattice (1) and encloses the flowing of lattice (1) direction to the first order.
10. a kind of ship, which is characterized in that using the discharge orifice in the ballast tank of ship any in claim 1-9
Design method is designed the discharge orifice in the ballast tank of ship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253264.0A CN109911138B (en) | 2019-03-29 | 2019-03-29 | Design method of water flow hole in ship ballast tank and ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253264.0A CN109911138B (en) | 2019-03-29 | 2019-03-29 | Design method of water flow hole in ship ballast tank and ship |
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| Publication Number | Publication Date |
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| CN109911138A true CN109911138A (en) | 2019-06-21 |
| CN109911138B CN109911138B (en) | 2021-01-12 |
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| CN201910253264.0A Active CN109911138B (en) | 2019-03-29 | 2019-03-29 | Design method of water flow hole in ship ballast tank and ship |
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| CN110053733A (en) * | 2019-04-29 | 2019-07-26 | 广船国际有限公司 | A kind of ballast tank discharge orifice method for arranging |
| CN111791985A (en) * | 2020-08-05 | 2020-10-20 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Quick evacuation ballast tank |
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| CN109911138B (en) | 2021-01-12 |
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