CN106163912B - The air jet system of seawater is protruded from the bottom plate of ship - Google Patents

The air jet system of seawater is protruded from the bottom plate of ship Download PDF

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Publication number
CN106163912B
CN106163912B CN201580018386.1A CN201580018386A CN106163912B CN 106163912 B CN106163912 B CN 106163912B CN 201580018386 A CN201580018386 A CN 201580018386A CN 106163912 B CN106163912 B CN 106163912B
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China
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air
ship
air jet
seawater
flow circuit
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CN201580018386.1A
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CN106163912A (en
Inventor
金敬桓
韩范羽
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HD Hyundai Heavy Industries Co Ltd
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Hyundai Heavy Industries Co Ltd
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Priority claimed from PCT/KR2015/003155 external-priority patent/WO2015152601A1/en
Publication of CN106163912A publication Critical patent/CN106163912A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00Maritime or waterways transport
    • Y02T70/10Measures concerning design or construction of watercraft hulls

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Nozzles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The present invention relates to the air jet system that a kind of bottom plate in ship protrudes from seawater, its object is to be easy to the setting for hull bottom face and decompose assembling, and improve the watertightness for air flow circuit, so that improved by spraying bubble efficiency caused by air into water, and cause along hull bottom surface formed with bubble layer, and Friction Resistance of Ships can be efficiently reduced.The present invention includes:Air injection modules, it is formed as being configured in the form of the fore portion hull bottom face positioned at ship, and internally formed with multiple air flow circuits, the multiple air jet holes connected with the air flow circuit are connected with outside;Air supply structure body, it penetrates the hull bottom of ship and is connected in air injection modules, and supplies air in the air flow circuit of air injection modules, and the air injection modules include:Substrate plate, it, which welds to be arranged at hull bottom face and penetrate, is provided with air supply structure body;Air jet tray, it is incorporated into the placing part of substrate plate, and the multiple air jet holes for being internally provided with the air flow circuit connected with air supply structure body and being connected with air flow circuit;Connecting plate, it is configured in the form of between the substrate plate and air jet tray and has sealing function.

Description

The air jet system of seawater is protruded from the bottom plate of ship
Technical field
The present invention relates to the air jet system that a kind of bottom plate in ship protrudes from seawater, is related to a kind of at the bottom of ship Plate protrudes from the air jet system of seawater, and it is provided with the air injection mould for being easily isolated and combining in ship hull bottom plane Block, and supplied air to by air supply structure body in air injection modules, from fore to stern direction along hull bottom Air bubble obtains flowing so as to form bubble layer.
Background technology
Generally, in ship's navigation, influenceed in a variety of resistances that hull is subject to it is maximum be water in frictional resistance, Low powered occupies general the 80% of overall resistance, is general the 50% of overall resistance in high-speed craft, it is due to be contacted with hull Water particle viscosity caused by.
Thus, in order to cut off the viscosity of water, if air layer is positioned between hull and water, frictional resistance is notable Ground reduces and sizable advantage is given to the speed of ship.Also, it is so-called be able to can be obtained in terms of the speed of ship it is excellent Gesture refers to that in the case of the ship navigated by water with same speed, fuel cost can be saved.
Recently, for spraying air towards seawater on ship hull bottom surface, so that air is mixed into seawater, and will The research for the air lubrication mode that bubble (bubble) (bubble layer) is formed at seawater is just carried out, and the air lubrication mode is by sky Gas is supplied in the air chamber (chamber) inside hull bottom Nei, and the air in air chamber is by penetrating the multiple of Bottom Plate Hole and be ejected in water, along hull bottom surface the method that air is flowed just is being used widely.
Methods described is because alow face drills out multiple airports, therefore presence structural asking of must strengthening around hole Topic, and the inconvenience in terms of the maintenance caused by the increase of cleaning area, and due at ballast tank (ballast tank) There is room (chamber) in inside, the problem of volume of compartment product reduction etc. thus be present.
In addition, existing air discharges room due to the limitation of shape, and air can not be discharged on the inside of room and be soldered to ship Baseplane, even if the edge that room is only discharged to air carries out welding setting or even with angle welding mode on the inside of edge entering Row welding, can not also be approached with inner surface after welding, so as to the surface that can not polish, or, it is live with quick-fried even in drying Broken (blasting) method carries out the surface polishing operation of inner side, can also produce for being coated on the close more difficult of inner surface The problem of, it is reduced hence for the adhesion of the air discharge room on hull bottom surface, thus predicts the utilization with ship Time increases, and produces lasting damage, in other words, the problem of generation easily by the corrosion caused by seawater.
In addition, in order to the hull bottom partial frictional drag reduction of contact with sea water and preventing biological attachment, and prevent by In the deterioration of the caused fuel efficiency of biological attachment, and antifouling paint is by carry out application processing, or is arranged at hull bottom face After existing air discharges room due to the limitation of its shape, therefore alow face carries out edge welding, for application processing Be ground operation it is more difficult, thus have problems in that, it is predicted that application processing after produce application obscission, and produce by In serious corrosion phenomenon caused by seawater etc..
(look-ahead technique document Prior Art)
(patent document 1) publication publication publication number 10-2011-0010602 (2011.02.01)
(patent document 2) publication publication publication number 10-2010-0125406 (2010.11.30)
(patent document 3) publication publication publication number spy 2001-0095242 (2001.11.03)
(patent document 4) publication publication publication number 10-2013-0019439 (2013.02.26)
The content of the invention
It is described in ship it is an object of the invention to provide the air jet system that a kind of bottom plate in ship protrudes from seawater The air jet system that the bottom plate of oceangoing ship protrudes from seawater is not only easy to setting for hull bottom face and decomposes assembling, and improve for The watertightness of air flow circuit so that improved, and caused along ship by spraying bubble efficiency caused by air into water Basal surface can efficiently reduce Friction Resistance of Ships formed with bubble layer.
The present invention includes:Air injection modules, it is formed as being set in the form of the fore portion hull bottom face positioned at ship Put, and internally formed with multiple air flow circuits, and be formed as the multiple air jet holes connected with the air flow circuit Connected with outside;Air supply structure body, it penetrates the hull bottom of ship and is simultaneously connected in air injection modules, and by sky Gas is supplied in the air flow circuit of air injection modules,
The air injection modules include:Substrate plate, it, which welds to be arranged at hull bottom face and penetrate, is provided with air supply Structure;Air jet tray, it is incorporated into the placing part of substrate plate, and is internally provided with and is connected with air supply structure body Logical air flow circuit and the multiple air jet holes connected with air flow circuit;Connecting plate, it is with positioned at the substrate plate and sky Form between gas jet plate is configured and has sealing (sealing) function.
The present invention not only cause air injection modules by substrate plate, connecting plate, air jet tray are assembled come It to integration, and can be easy to carry out the painting operation for substrate plate, connecting plate and air jet tray, that is, be easy to carry out being used to prevent The painting operation of dirty performance and reducing friction resistance, and due to realizing assembling after painting operation, therefore even if air sprays Penetrate module to be raised from hull bottom face, also do not produce the break-off of application film, thus can further improve corrosion resistance.
Particularly, the present invention only causes the substrate plate weld with simple structure to be arranged at hull bottom face, in welding Afterwards, it is easy to carry out grinding (grinding) operation for eliminating damage or foreign matter, and by being ground operation as described above Convenience swimmingly realizes painting operation, so as to can further improve the adhesion property for film.
The watertightness that has of connecting plate between substrate plate and air jet tray by rubber, silicon etc. is arranged in the present invention Material is formed, even if the assembling of air jet tray is arranged at into substrate plate, the watertight and air-tightness for air flow circuit can also obtain Improve, the air thus supplied from air supply structure body is not transferred to air jet hole with losing by air flow circuit And bubble layer can be readily formed.
The present invention due to the streamlined bottom surfaces of substrate plate fore bulge, the streamlined bottom surfaces of air jet tray, And the streamlined bottom surfaces of substrate plate stern bulge are obtained continuously so as to possess a hydromechanical shape (foil), Hence in so that reduced by frictional resistance caused by the flowing of seawater.
In other words, the speed generally, due to the ship with Commonly Used Size is more than 5m/s, therefore even in the sky Gas spraying device from the case that ship protrudes, because the air for spray is flowed by seawater, therefore will not sprayed The air gone out is formed as the less bubble of the size with number mm or so, and causes less gas compared with the influence of buoyancy Bubble is influenceed bigger by the flowing of seawater.But according to the air jet system of the present invention due to being protruded from ship, therefore make The speed for the air that must be ejected is accelerated and compared with not from the situation of ship protrusion, the size of bubble is formed as into identical Or formed smaller so that bubble influenceed by the flowing of seawater it is bigger.Thus the air spray from ship protrusion The bubble of injection device further approaches the near surface of ship and obtained intensive compared with prior art.
In addition, it is of the invention due to the shape protruded from ship, therefore the generation place in seawater for bubble, Bubble is caused more to rely on the buoyancy of seawater compared with the buoyancy of seawater, so as to pass through bubble air layer and prior art Compared to thicker it is formed on the bottom surface of ship.This is described in more detail as follows, the air according to the present invention Injection apparatus due to positioned at from the surface for protruding from the place of the summit of ship rearward and causing the flow direction ship of seawater, Therefore according to the bubble that the air sprayed by air jet hole is formed due to utilizing the flowing of seawater so as to approach ship The form on surface be induced, while obtaining due to buoyancy caused by the size of the upper ascending effect and bubble of the flowing of seawater Effect, therefore by intensive in marine surface, so as to reduce the frictional resistance of seawater.
In addition, the present invention has following many effects:Due to the 3rd path of the air flow circuit that is formed at air jet tray Be formed towards air jet hole has certain inclination upwards, so as to which the flowing for the air transferred to the 3rd path is led to naturally Cross air jet hole to spray to outside (in water), therefore bubble layer can be more easily formed.
Brief description of the drawings
Fig. 1 is the diagrammatic illustration (exploded view) for representing the composition according to the present invention.
Fig. 2 is the diagrammatic illustration for representing the marriage relation according to the present invention.
Fig. 3 is the diagrammatic illustration for representing the composition according to the present invention (with reference to figure).
Fig. 4 is the diagrammatic illustration for the composition for representing the substrate plate according to the present invention.
Fig. 5 is the diagrammatic illustration for the composition for representing the air jet tray according to the present invention.
Fig. 6 is to represent the diagrammatic illustration that Fig. 5 Section A-A is formed.
Fig. 7 is the diagrammatic illustration for the air flow for representing the air flow circuit according to the present invention.
Fig. 8 is the diagrammatic illustration for the composition for representing the connecting plate according to the present invention.
Fig. 9 is the ship bottom surface diagrammatic illustration for representing the setting state of the present invention.
Figure 10 is the diagrammatic illustration for representing to be formed according to the bubble layer of the present invention.
Label declaration
100:Air injection modules 110:Substrate plate
111:First openings 112:Male thread part
113:Edge 120:Air jet tray
121:Air flow circuit 121a:First path
121b:Second path 121c:3rd path
122:Through hole 123:Air induces dam upper side
124:Air induces dam 125:Air jet hole
126:Groove 127:One side
128:Other sides 130:Connecting plate
131:Second openings 132:First through hole
140:Fore bulge 141:Streamlined bottom surfaces
150:Fore bulge 151:Streamlined bottom surfaces
160:Placing part 161:Female threaded part
164:Penetrate combined hole 200:Air supply structure body
210:Air supply structure body end 300:Ship
310:Hull bottom face 400:Bubble layer
Embodiment
Fig. 1 is the diagrammatic illustration (exploded view) for representing the composition according to the present invention, and Fig. 2 is to represent to be closed according to the combination of the present invention The diagrammatic illustration of system, Fig. 3 are the diagrammatic illustrations (with reference to figure) for representing the composition according to the present invention, and Fig. 4 is to represent the base according to the present invention The diagrammatic illustration of the composition of bottom plate, Fig. 5 are the diagrammatic illustrations for the composition for representing the air jet tray according to the present invention, and Fig. 6 is to represent Fig. 5 Section A-A form diagrammatic illustration, Fig. 7 be represent according to the present invention air flow circuit air flow diagrammatic illustration, Fig. 8 is table Showing the diagrammatic illustration of the composition of the connecting plate according to the present invention, Fig. 9 is the ship bottom surface diagrammatic illustration for representing the setting state of the present invention, Figure 10 is the diagrammatic illustration for representing to be formed according to the bubble layer of the present invention.
The present invention includes:Air injection modules 100, it is formed as carrying out in the form of the fore portion hull bottom face positioned at ship Set, and internally formed with multiple air flow circuits, the multiple air jet holes connected with the air flow circuit enter with outside Row connection;
Air supply structure body 200, it penetrates the hull bottom of ship and is connected in air injection modules, and air is supplied Award in the air flow circuit of air injection modules,
The air injection modules 100, including:
Substrate plate 110, it, which welds to be arranged at hull bottom face and penetrate, is provided with air supply structure body 200;Air sprays Plate 120, it is incorporated into the placing part 160 of substrate plate, and including air flow circuit 121 and multiple air jet holes 125, the sky Air-flow road 121 connects with air supply structure body 200, and the multiple air jet hole 125 is communicated in air flow circuit 121;Connection Plate 130, it is configured in the form of between the substrate plate 110 and air jet tray 120 and has sealing function.
The substrate plate 110 includes:Fore bulge 140, it protrudes to be formed to transverse direction;Stern bulge 150, It is separated in the form of the regulation spacing of interval with the fore bulge 140, and protrudes to be formed to transverse direction;Placing part 160, It is formed in the form of between the fore/stern bulge 140,150, and air jet tray 120 is inserted in institute State placing part 160 and combine.
In other words, the substrate plate 110 is contacted with hull bottom face 310 with the one side edge 113 flatly formed Form welding set, fore/stern bulge 140,150 and placing part 160 are arranged at other sides.
The fore/stern bulge 140,150 is completely provided with streamlined bottom surfaces 141,151, and the stream Line style bottom surfaces 141,151 are formed obliquely in the form of following:In side, end in contact in hull bottom face 310 and is welded, in ship When the welding of bottom surface 310 is provided with substrate plate, other sides possess downwards curve.
In addition, the streamlined bottom surfaces 141 of the fore bulge and the streamlined bottom surfaces 151 of stern bulge By mutually to being formed in the form of.
The substrate plate 110 formed as described above in order that the one side abutting contact that must be formed flatly in hull bottom face, And in the case of welding and being provided with edge 113, fore/stern bulge 140,150 is respectively for hull bottom towards horizontal stroke side Fore/stern the bulge for being formed to protrusion and being formed formed with convex portion, placing part 160 with recess shapes positioned at the protrusion 140th, between 150.In other words, the placing part 16 refers to the space between fore/stern bulge 140,150, leads to Cross fore/stern bulge 140,150 and placing part 160, other sides (face set to bottom direction) of substrate plate 10 Possesses concaveconvex shape.
The placing part 160 in order that connecting plate 130 and air jet tray 120 are inserted into and combined, and be located at Between fore bulge 140 and stern bulge 150, and the placing part 160 is provided with and protruded with fore/stern-side First width W1 of the corresponding specific length in interval between portion 140,150.
In addition, protruded in the substrate plate 110 in the form of projecting inward to the placing part 160 formed with for the company of combination Multiple male thread parts 112 of fishplate bar 130 and air jet tray 120.
The position of the male thread part 112 is not particularly restricted, is formed as the first width W1 to placing part 160 Direction make it that multiple male thread parts 112 are formed and protruded in the form of dual.
In addition, formed in the substrate plate 110 in the form of the first openings 111 penetrate substrate plate 110, with positioned at pacifying The insertion of form air supply structure body 200 in portion 160 runs through the first openings 111.
In addition, it may also be formed with the substrate plate 110 is in the form of positioned at placing part 160 for raising and substrate plate With multiple insertion combined holes 114 of the adhesion in hull bottom face.The insertion combined hole 114 with placing part 160 in the form of connecting In the case that insertion substrate plate 110 is simultaneously formed, and alow the edge 113 for being provided with substrate plate 110 is welded in face 310, The outer peripheral face of the insertion combined hole 164 contacted with hull bottom face 310 is also welded in hull bottom face 310 so that the outside of substrate plate 110 (perimeter) and internal (outer peripheral face of insertion combined hole) is all welded in hull bottom face 310, causes substrate plate so as to have More firmly it is able to be incorporated into the function in hull bottom face.
The air jet tray 120 is inserted into the placing part 160 of substrate plate and combined, the air jet tray 120 have defined depth in the one side 127 contacted with connecting plate 130, and formed with groove (groove) 126, other sides Face 128 is convexly formed as streamline curve.
In addition, protruded in the groove 126 in the form of the regulation spacing of interval formed with for forming air flow circuit 121 Multiple air induce dam (dam) 124, and in the form of being connected with the air flow circuit 121 to stern direction formed with multiple Air jet hole 125.
In other words, the air jet tray 120 is projecting inward formed with multiple air induction dam 124 in groove 126, passes through groove 126 and air induction dam 124 between, side air induction dam and be adjacent to its again another air induction dam between space And the path flowed formed with air, i.e. air flow circuit 121, to stern in the form of being connected with the air flow circuit 121 Multiple air jet holes 125 of the direction formed with insertion air jet tray 120.
Now, the air jet tray 120 is formed as the one side 127 contacted with connecting plate 130 and air induction dam Upper side 123 is provided with identical height, and when contacting combination with connecting plate 130, air flow circuit 121 is provided with watertight and airtight knot Structure.
In addition, the air induction dam 124 has framework (frame) shape of polygon, and protrude and be formed at groove 126 Interior, the second through hole 122 is formed in the form of penetrating air jet tray 120, to induce the inside on dam 124 positioned at the air The male thread part 112 of form substrate plate penetrates second through hole 122.
The air flow circuit 121 will enter from the air that air supply structure body 200 is supplied to the direction of air jet hole 125 Row injection and induction (transfer), the air flow circuit 121 include:First path 121a, it connects with air supply structure body 200 It is logical;Second path 121b, it is formed as connecting and be located at the first path 121a between air induction dam 124;3rd tunnel Footpath 121c, it is formed as connecting with the second path 121b and connected with multiple air jet holes 125.
In other words, the first path 121a is formed as being configured to the transverse direction C of air jet tray 120, and The second path 121b is formed as being configured to the longitudinal direction V of air jet tray, the 3rd path 121c be formed as to The transverse direction C of air jet tray is configured.
In addition, the 3rd path 121c is formed towards air jet hole 125 has certain inclination upwards, so as to The air (compressed air) of 3rd path 121c transfers travels naturally through air jet hole 125 and sprayed to outside (in water).
In addition, the inclination of the 3rd path 121c starts starting point, that is, it is to induce dam by being formed at air to tilt starting point S The starting point of the second path 121b between 43 is suitable.Although the inclination starting point S is shown as straight line on the diagram, it is The understanding of the present invention is used to help, and substantially not shows as straight line in the groove 126 of air jet tray 120.
In addition, the 3rd path 121c may be set to so that tilts starting point S change in location, or inclination angle is entered Row regulation, so as to can also realize the supply of uniform air to air jet hole 125.
Described first, second and third path 121a, 121b, 121c are formed as possessing the body tapered into order in groove 126 Product, and in first, second and third path 121a, 121b, the 121c formed as described above, air possesses mutually different embodiment, Therefore difference is produced in terms of the pressure and/or speed of air according to the difference of volume, thus, in first, second and third path In 121a, 121b, 121c, air flow is swimmingly kept.
The transverse direction C-shaped of the air jet hole 125 to air jet tray is multiple into having, so as to positioned at the of air flow circuit On three path 121c, and cause by air supply structure body 200 air (compressed air) that is supplied to air flow circuit 121 It is ejected in water, so as to which alow face 310 forms the bubble layer 400 for possessing specific thickness.In other words, the air jet hole 125 are formed as being open into seawater SW water.
Preferably, groove 126, air are induced by using an iron plate with the air jet tray 120 formed as described above Air flow circuit 121, the air jet hole 125 in the path of dam 124 including first, second and third are taken to be formed.The groove 126 refers to , for air jet tray 120, for forming the air stream in the air induction path of dam 124 including first, second and third Road 121 and the space of air jet hole 125.
The connecting plate 130 is made up of watertight (sealing) material of rubber, silicon etc., and to be closely set in substrate plate Form between placing part 160 and air jet tray 120 is set, and not only prevents the air for being formed in air jet tray 120 The watertight and foreign matter of stream 121 flow into, and it is mutually isolated make it that substrate plate 110 is carried out with air jet tray 120.
In addition, in the connecting plate 130 formed with the second openings 131 and multiple first through holes 132, air supply knot The insertion of structure body 200 runs through second openings 131, and multiple male thread parts 112 run through the multiple first and passed through respectively Through hole 132.
The connecting plate 130 is arranged to, and is covered to being provided with the groove 126 of air jet tray 120 of air flow circuit 121 Lid, in other words, abutting contact is arranged in the upper side of the flat one side 127 and air induction dam of air jet tray 123, so as to keep watertight/airtight conditions to air flow circuit 121, therefore the air supplied from air supply structure body 200 Air jet hole 125 is transferred to without loss by air flow circuit 121 and sprayed.
The air injection modules 100 formed in the form of as above are formed as, with the fore from ship 300 towards the direction of stern Width W compare, there is bigger size with the length L in the direction direction at a right angle of the fore from ship 300 towards stern, and And be formed as possessing paper tinsel (foil) shape with the face of contact with sea water, and the more than one air injection modules 100 are with even Continuous or independent form is configured at the hull bottom face 310 of ship 300.
The air supply structure body 200 contacts for the air flow circuit 121 with air injection modules 100, and with insertion The form in the hull bottom face 310 of ship 300 is configured.In other words, the air supply structure body 200 is arranged to its end 210 penetrate hull bottom face 310 and the first openings 111 of substrate plate 110 and the second openings 131 of connecting plate 120 in order, from And it is communicated in the first path 121a of air flow circuit 121.The air supply structure body 200 and the sky being arranged in ship 300 The air feeder of air chamber (air chamber), compressor, air pump (air pump) (air blower (blower)) etc. (not shown) is attached and supplied air in air injection modules 100.The air feeder (not shown) due to It is the known technology for being used for air lubrication mode ship or air cavity (air cavity) ship etc., therefore omits to the detailed of its Describe in detail bright.
In addition, the air supply structure body 200 is configured with least more than one in air injection modules 100, and such as Upper described air supply structure body 200 can be made up of pipe (pipe).
The present invention formed in the form of as above is arranged so that air supply knot to penetrate the hull bottom face 310 of ship Structure body 200 protrudes from hull bottom face 310, and the air supply structure body 200 is in order to penetrate the first openings of substrate plate 111, and the edge 113 for being arranged to substrate plate is welded in the hull bottom face 310 of ship, and in order that obtain the first through hole 132 are incorporated into and protrude the male thread part 112 that is formed in the substrate plate 110, in addition, in order that must penetrate the of substrate plate The air supply structure body 200 of one openings 111 is incorporated into the second openings 131, and the insertion of connecting plate 130 is being arranged at into base After in the placing part 160 of bottom plate, in order that the second through hole 132 is incorporated into the first through hole 132 of through connection plate Male thread part 112, and make it that air jet tray 130 is pacified in placing part 160, and female threaded part 163 is fastened into knot Together in the male thread part 112 in the second through hole 132, and by connecting plate 130 and air jet tray 120 in the form of one knot Together in substrate plate 110.Now, the placing part 160 has identical width and length with connecting plate 130 and air jet tray 120 Degree, connecting plate 130 and air jet tray 120 are closely incorporated into the placing part 160 of substrate plate in the form of very close to each other.Institute Binding sequence is stated to be recorded with an example, and the combination of the present invention is not necessarily limited to this.
The present invention set in the form of as above is between connecting plate 130 and air jet tray 120 formed with air flow circuit 121, and the end 210 of air supply structure body 200 is communicated in the first path 121a of air flow circuit, fore bulge 140 streamlined bottom surfaces 141, other sides 128 of air jet tray and the streamlined bottom surfaces of stern bulge 150 151 are attached with a smooth curvilinear plane, so as to have paper tinsel (foil) shape.
In addition, alow face 310 continuously or can be provided independently from more than one to the air injection modules 100, and And in the case that multiple air injection modules are arranged at hull bottom face in a continuous fashion, in order to which the air arranged is sprayed into mould To have gap in the form of being separated with predetermined distance between the substrate plate and substrate plate of block, and the edge of substrate plate is welded In hull bottom face, afterwards, to being welded between side substrate plate and another substrate plate again for being adjacent to it, while realizing Welding to substrate plate and substrate plate and hull bottom face.
Hereinafter, it is as described below to being carried out according to the action effect of the invention formed as described above.
Ship 300 is on seawater SW, during being moved to direction D, along the first line of flow F1 ship 300 air Supply structure body 200 is fed with air, and the air is supplied in sky in the inside of ship 300 by air supply structure body 200 In air flow circuit 121 in gas jet module 100.
The air being supplied in air flow circuit 121, moved in first path 121a along the second line of flow F2 Supply, obtain moving supply along the 3rd line of flow F3 in the second path 121b, and flowed in the 3rd path 121c along the 4th Moving-wire F4 obtains transfer supply.
In addition, the air is supplied in the 3rd path 121c along the 4th line of flow F4, and from the 3rd path Sprayed in the water that 121c starts to flow to seawater SW via air jet hole 125, so as to form bubble (bubble layer, 400).
Now, the air injection modules 200 cause the streamlined bottom surfaces 141 of substrate plate fore bulge, air Other sides 128 of jet tray and the streamlined bottom surfaces 151 of substrate plate stern bulge are connected as a smooth streamline Type shape.
On the bow the streamlined bottom surfaces 141 of bulge are more to other sides 128 of air jet tray, streamline (streamline) get over to after decline below hull bottom face, in other sides 128 of air jet tray more to stern bulge Streamlined bottom surfaces 151, streamline (streamline) turns into the form (the close form with hull bottom face) risen upwards, in air Spray-hole 125 is formed about the flowing P that seawater is risen upwards, thus, according to the sky sprayed by air jet hole 125 The bubble that gas is generated is flowed by the flowing of the seawater along the hull bottom face 310 of ship 300 in the form of being close to, So as to play air lubrication effect.

Claims (11)

1. a kind of bottom plate in ship protrudes from the air jet system of seawater, it is characterised in that including:
Air injection modules (100), it is formed as being configured in the form of the fore portion hull bottom face positioned at ship, and inside Formed with multiple air flow circuits, the multiple air jet holes connected with the air flow circuit are connected with outside in portion;
Air supply structure body (200), it penetrates the hull bottom of ship and is connected in air injection modules, and supplies air to In in the air flow circuit of air injection modules,
The air injection modules (100), including:
Substrate plate (110), it, which welds to be arranged at hull bottom face and penetrate, is provided with air supply structure body (200);Air sprays Plate (120), it is incorporated into the placing part of substrate plate (160), and is internally provided with and is connected with air supply structure body (200) Air flow circuit (121) and multiple air jet holes (125) for being connected with air flow circuit (121);Connecting plate (130), its with Form between the substrate plate (110) and air jet tray (120) is configured and has sealing function.
2. the bottom plate according to claim 1 in ship protrudes from the air jet system of seawater, it is characterised in that
The substrate plate (110) includes:Substrate plate fore bulge (140), it protrudes to be formed to transverse direction;Substrate plate stern Bulge (150), it is separated with the substrate plate fore bulge (140) in the form of interval provides spacing, and to horizontal stroke Protrude to be formed in direction;Placing part (160), it is formed in the form of between fore/stern bulge (140,150), and And air jet tray (120) is inserted in the placing part (160) and combined.
3. the bottom plate according to claim 1 or 2 in ship protrudes from the air jet system of seawater, it is characterised in that
Protruded in substrate plate (110) in the form of projecting inward to placing part (160) formed with for combining connecting plate (130) and sky Multiple male thread parts (112) of gas jet plate (120),
In the substrate plate (110) the first openings (111) are formed in the form of insertion, with placing part (160) Form air supply structure body (200) insertion run through the first openings (111).
4. the bottom plate according to claim 3 in ship protrudes from the air jet system of seawater, it is characterised in that
The connecting plate (130) is made up of waterproof material, and in the connecting plate (130) formed with the second openings (131) With multiple first through holes (132), air supply structure body (200) insertion runs through second openings (131), Duo Geyang Screwed part (112) runs through the multiple first through hole (132) respectively.
5. the bottom plate according to claim 1 in ship protrudes from the air jet system of seawater, it is characterised in that
It is also formed with being used to improve substrate plate and hull bottom face in the form of in placing part (160) in the substrate plate (110) Adhesion multiple insertion combined holes (114).
6. the bottom plate according to claim 3 in ship protrudes from the air jet system of seawater, it is characterised in that
The air jet tray (120) has defined depth, and shape in the one side (127) contacted with connecting plate (130) Into there is groove (126), the groove (126) is provided with air flow circuit (121), protrudes landform with other sides (128) of contact with sea water As streamline curve.
7. the bottom plate according to claim 6 in ship protrudes from the air jet system of seawater, it is characterised in that
Protruded in groove (126) in the form of the regulation spacing of interval formed with multiple air for forming air flow circuit (121) Induce dam (124),
The upper side (123) on air induction dam is formed as with one side (127) identical with air jet tray highly.
8. the bottom plate according to claim 7 in ship protrudes from the air jet system of seawater, it is characterised in that
Air induction dam (124) has the frame shape of polygon, and protrudes and be formed in groove (126), the second through hole (122) formed in the form of penetrating air jet tray (120), to induce the internal form substrate of dam (124) positioned at the air The male thread part (112) of plate runs through the second through hole (122).
9. the bottom plate according to claim 7 in ship protrudes from the air jet system of seawater, it is characterised in that
Air flow circuit (121) includes:First path (121a), it is connected with air supply structure body (200);Second path (121b), it is formed as connecting with the first path (121a) and between air induction dam (124);3rd path (121c), it is formed as connecting with second path (121b) and connected with multiple air jet holes (125).
10. the bottom plate according to claim 9 in ship protrudes from the air jet system of seawater, it is characterised in that
3rd path (121c) is formed towards air jet hole (125) has certain inclination upwards, so as to the 3rd path The air of (121c) transfer travels naturally through air jet hole (125) to be sprayed to outside.
11. the bottom plate according to claim 1 in ship protrudes from the air jet system of seawater, it is characterised in that
Air injection modules (100) are formed as compared with the width (W) from the fore of ship (300) towards the direction of stern, with Formed bigger from the length (L) in the direction direction at a right angle of fore towards the stern of ship (300).
CN201580018386.1A 2014-04-02 2015-03-31 The air jet system of seawater is protruded from the bottom plate of ship Active CN106163912B (en)

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KR1020150042924A KR101630574B1 (en) 2014-04-02 2015-03-27 Air injecting apparatus protruding from bottom plate of ship toward seawater
PCT/KR2015/003155 WO2015152601A1 (en) 2014-04-02 2015-03-31 Air injection apparatus protruding toward seawater from bottom plate of vessel

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