WO2018045952A1 - Energy-saving guide pipe device and ship - Google Patents

Energy-saving guide pipe device and ship Download PDF

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Publication number
WO2018045952A1
WO2018045952A1 PCT/CN2017/100609 CN2017100609W WO2018045952A1 WO 2018045952 A1 WO2018045952 A1 WO 2018045952A1 CN 2017100609 W CN2017100609 W CN 2017100609W WO 2018045952 A1 WO2018045952 A1 WO 2018045952A1
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vane
energy
conduit
saving
ship
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PCT/CN2017/100609
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French (fr)
Chinese (zh)
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薛林
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广船国际有限公司
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/32Other means for varying the inherent hydrodynamic characteristics of hulls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H5/00Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/14Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
    • B63H5/15Nozzles, e.g. Kort-type
    • 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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  • the invention relates to the technical field of ship manufacturing, and in particular to an energy-saving conduit device and a ship comprising the energy-saving conduit device.
  • an energy-saving conduit device is usually installed at the tail of the ship.
  • a conventional energy-saving catheter device includes a guide vane that is mounted at the tail of the hull, has a tapered pre-duct on the side of the propeller near the bow, and is spaced apart from the inner circumference of the catheter.
  • the energy-saving conduit device can improve the propulsion efficiency of the propeller to a certain extent, but for ships of 100,000 tons or more, during the propeller propulsion process, the vibration amplitude of the tail of the ship is large, and the energy saving effect of the ship is not very obvious.
  • An object of the present invention is to provide an energy-saving catheter device which can effectively reduce the vibration effect of the tail of the ship and improve the propulsion efficiency of the propeller.
  • Another object of the present invention is to provide a ship that has significant energy saving effects.
  • an energy-saving conduit device is provided that is mounted on a hull and is located on a side of a propeller adjacent to a bow, the energy-saving conduit device including first and second conduits respectively secured to the sides of the hull, the first conduit and The second conduits are each inclined in a direction close to the propeller, and guide vanes are disposed in both the first conduit and the second conduit.
  • a vessel in another aspect, includes an energy saving conduit device as described above.
  • the invention has the beneficial effects that the invention installs a duct on both sides of the hull and tilts the duct along the direction of the propeller to effectively improve the flow field at the tail of the ship, reduce the vibration amplitude of the tail of the ship, and improve the propulsion efficiency of the propeller. Therefore, the ship has significant energy saving effects.
  • FIG. 1 is a first perspective view of an energy-saving conduit device mounted on a hull according to an embodiment of the present invention.
  • FIG. 2 is a second perspective view of an energy-saving conduit device mounted on a hull according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a second duct according to an embodiment of the present invention.
  • 100 a first conduit; 110, a first straight portion; 120, a first circular arc portion; 130, a second straight portion; 140, a first guide vane; 150, a second guide vane;
  • 200 a second conduit; 210, a third straight portion; 220, a second circular arc portion; 230, a fourth straight portion; 240, a third guide vane; 250, a fourth guide vane.
  • first, second, third, and fourth are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, limited Features having “first,” “second,” “third,” and “fourth” may include one or more of the features, either explicitly or implicitly.
  • connecting is to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral; it may be a mechanical connection; Directly connected, or indirectly connected through an intermediate medium, which may be the internal communication of two components or the interaction of two components.
  • intermediate medium which may be the internal communication of two components or the interaction of two components.
  • the energy-saving conduit device is mounted on the hull and located on the side of the propeller near the bow.
  • the energy-saving conduit device includes first conduits 100 respectively fixed to the two sides of the hull.
  • the second conduit 200, the first conduit 100 and the second conduit 200 are both inclined in a direction close to the propeller, and the first conduit 100 and the second conduit 200 are each provided with vanes.
  • a duct is installed on both sides of the hull, and the duct is inclined along the direction of the propeller to effectively improve the flow field at the tail of the ship, reduce the vibration amplitude of the tail of the ship, and improve the propulsion efficiency of the propeller so that the ship has Good energy saving effect.
  • the energy-saving conduit device in this embodiment is applicable to any ship, and is particularly suitable for a crude oil wheel of more than 100,000 tons, and has at least 3% energy saving effect.
  • the present embodiment is based on the linear characteristics of the tail of the ship.
  • the inclination angle of the first duct 100 in the horizontal direction is designed to be smaller than the inclination angle of the second duct 200 in the horizontal direction to improve the rectification effect of the tail portion of the ship, so that the propeller can adapt to different flow field resistances on both sides of the hull, thereby Improve the propulsion efficiency of the propeller, so that the ship's energy saving effect is more significant.
  • the utility model is designed and optimized to match the linear shape of the tail of the ship, and the inclination angle of the first duct 100 and the second duct 200 is designed to make the ship equipped with the energy-saving duct device have significant energy saving effect.
  • the first duct 100 includes a first straight portion 110, a first circular arc portion 120, and a second straight portion 130 that are sequentially connected
  • the second duct 200 includes a third straight line that is sequentially connected.
  • the hull is connected; a first vane 140 and a second vane 150 are disposed in the first duct 100, and the first vane 140 and the second vane 150 are cross-connected, the first vane Two ends of the 140 are respectively connected to the first circular arc portion 120, one end of the second guide vane 150 is connected to the first circular arc portion 120, and the other end is connected to the hull; the second conduit 200 a third vane 240 and a fourth vane 250 are disposed, the third vane 240 and the fourth vane 250 are cross-connected, and
  • the arrangement positions of the four vanes are optimized, that is, the positions of the four vanes are set under the premise of ensuring the mounting stability of the first duct 100 and the second duct 200. Optimized to maximize the energy savings of the vessel.
  • two ends of the first vane 140 are respectively connected to two ends of the first arc portion 120, and two ends of the third vane 240 and the second arc portion 220 are respectively An end of the second vane 150 away from the first arc portion 120 is connected to an end of the fourth vane 250 away from the second arc portion 220.
  • the energy-saving conduit device is installed on the 300,000-ton crude oil wheel, and the widths of the straight portion, the circular arc portion and the guide vane are all the same, being 2805 mm, and the wall thickness of the two conduits is not more than 277 mm, two The radius of the arc portion is 4000 mm.
  • the first straight portion 110, the first circular arc portion 120 and the second straight portion 130 in the embodiment are integrally formed structures, and the third straight portion 210, the second circular portion 220 and the fourth straight portion 230 are also integrally formed structures. So that both the first conduit 100 and the second conduit 200 have good impact strength.
  • connection refers to welding unless otherwise specified.
  • first vane 140 is perpendicular to the second vane 150
  • third vane 240 is perpendicular to the fourth vane 250.
  • Embodiments of the present invention also provide a ship comprising the energy saving conduit device of the above embodiments.
  • the energy-saving conduit device described in the above embodiment is mounted on the hull and located on the side of the propeller near the bow, which can effectively improve the energy-saving effect of the ship.
  • the description of the terms “preferred embodiment”, “preferred embodiment” and the like means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one implementation of the invention. In the example or example. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

An energy-saving guide pipe device and a ship. The energy-saving guide pipe device is mounted on a ship body and is located on the side of a propeller close to a bow. The energy-saving guide pipe device comprises a first guide pipe (100) and a second guide pipe (200) which are fixed to two sides of the ship body respectively. Both the first guide pipe (100) and the second guide pipe (200) slope in a direction close to the propeller. Guide vanes are provided in both the first guide pipe (100) and the second guide pipe (200). By mounting guide pipes at two sides of a ship body respectively and sloping the guide pipes in a direction close to a propeller, the present invention effectively improves the flow field of the stern of a ship, reduces the vibration amplitude of the stern of the ship, and enhances the propulsion efficiency of the propeller, thereby achieving an energy-saving effect.

Description

一种节能导管装置及船舶Energy-saving conduit device and ship 技术领域Technical field
本发明涉及船舶制造技术领域,具体涉及一种节能导管装置及包括该节能导管装置的船舶。The invention relates to the technical field of ship manufacturing, and in particular to an energy-saving conduit device and a ship comprising the energy-saving conduit device.
背景技术Background technique
一般情况下,货船为了提升螺旋桨的推进效率,以达到一定的节能效果,通常在船舶尾部安装节能导管装置。普通的节能导管装置包括安装于船体尾部、位于螺旋桨靠近船首一侧且呈锥状的前置导管以及导管内圈间隔布置的导叶。该节能导管装置可在一定程度提高螺旋桨的推进效率,但对于10万吨级以上的船舶而言,在螺旋桨推进过程中,船舶尾部的振动幅度很大,导致船舶的节能效果不是很明显。Under normal circumstances, in order to improve the propulsion efficiency of the propeller, in order to achieve a certain energy-saving effect, an energy-saving conduit device is usually installed at the tail of the ship. A conventional energy-saving catheter device includes a guide vane that is mounted at the tail of the hull, has a tapered pre-duct on the side of the propeller near the bow, and is spaced apart from the inner circumference of the catheter. The energy-saving conduit device can improve the propulsion efficiency of the propeller to a certain extent, but for ships of 100,000 tons or more, during the propeller propulsion process, the vibration amplitude of the tail of the ship is large, and the energy saving effect of the ship is not very obvious.
发明内容Summary of the invention
本发明的一个目的在于提供一种节能导管装置,可以有效降低船舶尾部的振动效果,提高螺旋桨的推进效率。An object of the present invention is to provide an energy-saving catheter device which can effectively reduce the vibration effect of the tail of the ship and improve the propulsion efficiency of the propeller.
本发明的另一个目的在于提供一种船舶,其具有显著的节能效果。Another object of the present invention is to provide a ship that has significant energy saving effects.
为达此目的,本发明采用以下技术方案:To this end, the present invention employs the following technical solutions:
一方面,提供一种节能导管装置,安装于船体上并位于螺旋桨靠近船首一侧,该节能导管装置包括分别固定于所述船体两侧的第一导管和第二导管,所述第一导管和所述第二导管均沿靠近所述螺旋桨的方向倾斜,所述第一导管和所述第二导管内均设置有导叶。 In one aspect, an energy-saving conduit device is provided that is mounted on a hull and is located on a side of a propeller adjacent to a bow, the energy-saving conduit device including first and second conduits respectively secured to the sides of the hull, the first conduit and The second conduits are each inclined in a direction close to the propeller, and guide vanes are disposed in both the first conduit and the second conduit.
另一方面,提供一种船舶,其包括如上所述的节能导管装置。In another aspect, a vessel is provided that includes an energy saving conduit device as described above.
本发明的有益效果:本发明通过在船体两侧分别安装一个导管,并将导管沿靠近螺旋桨的方向倾斜设置,以有效改善船舶尾部的流场,降低船舶尾部的振动幅度,提升螺旋桨的推进效率,从而使船舶具有显著的节能效果。The invention has the beneficial effects that the invention installs a duct on both sides of the hull and tilts the duct along the direction of the propeller to effectively improve the flow field at the tail of the ship, reduce the vibration amplitude of the tail of the ship, and improve the propulsion efficiency of the propeller. Therefore, the ship has significant energy saving effects.
附图说明DRAWINGS
图1为本发明实施例所述的节能导管装置安装于船体上的第一视角示意图。1 is a first perspective view of an energy-saving conduit device mounted on a hull according to an embodiment of the present invention.
图2为本发明实施例所述的节能导管装置安装于船体上的第二视角示意图。2 is a second perspective view of an energy-saving conduit device mounted on a hull according to an embodiment of the present invention.
图3为本发明实施例所述的第二导管的结构示意图。FIG. 3 is a schematic structural view of a second duct according to an embodiment of the present invention.
图1至图3中:In Figures 1 to 3:
100、第一导管;110、第一直部;120、第一圆弧部;130、第二直部;140、第一导叶;150、第二导叶;100, a first conduit; 110, a first straight portion; 120, a first circular arc portion; 130, a second straight portion; 140, a first guide vane; 150, a second guide vane;
200、第二导管;210、第三直部;220、第二圆弧部;230、第四直部;240、第三导叶;250、第四导叶。200, a second conduit; 210, a third straight portion; 220, a second circular arc portion; 230, a fourth straight portion; 240, a third guide vane; 250, a fourth guide vane.
具体实施方式detailed description
下面结合附图并通过具体实施方式来进一步说明本发明的技术方案。The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.
在本发明的描述中,需要理解的是,术语“竖直”、“水平”、“内”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。In the description of the present invention, it is to be understood that the orientation or positional relationship of the terms "vertical", "horizontal", "inner" and the like is based on the orientation or positional relationship shown in the drawings, only for the convenience of description. The invention and the simplification of the invention are not to be construed as limiting or limiting the invention.
此外,术语“第一”、“第二”、“第三”、“第四”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定 有“第一”、“第二”、“第三”、“第四”的特征可以明示或者隐含地包括一个或者更多个该特征。Moreover, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, limited Features having "first," "second," "third," and "fourth" may include one or more of the features, either explicitly or implicitly.
在本发明的描述中,除非另有明确的规定和限定,术语“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个部件内部的连通或两个部件的相互作用关系。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, the term "connecting" is to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral; it may be a mechanical connection; Directly connected, or indirectly connected through an intermediate medium, which may be the internal communication of two components or the interaction of two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
如图1至图3所示,本发明的实施例所述的节能导管装置,安装于船体上且位于螺旋桨靠近船首一侧,节能导管装置包括分别固定于所述船体两侧的第一导管100和第二导管200,所述第一导管100和所述第二导管200均沿靠近所述螺旋桨的方向倾斜,所述第一导管100和所述第二导管200内均设置有导叶。本实施例通过在船体两侧分别安装一个导管,并将导管沿靠近螺旋桨的方向倾斜设置,以有效改善船舶尾部的流场,降低船舶尾部的振动幅度,提升螺旋桨的推进效率,以使船舶具有良好的节能效果。As shown in FIG. 1 to FIG. 3, the energy-saving conduit device according to the embodiment of the present invention is mounted on the hull and located on the side of the propeller near the bow. The energy-saving conduit device includes first conduits 100 respectively fixed to the two sides of the hull. And the second conduit 200, the first conduit 100 and the second conduit 200 are both inclined in a direction close to the propeller, and the first conduit 100 and the second conduit 200 are each provided with vanes. In this embodiment, a duct is installed on both sides of the hull, and the duct is inclined along the direction of the propeller to effectively improve the flow field at the tail of the ship, reduce the vibration amplitude of the tail of the ship, and improve the propulsion efficiency of the propeller so that the ship has Good energy saving effect.
本实施例中的节能导管装置适用于任何船舶,尤其适用于10万吨级以上的原油轮,至少具有3%以上的节能效果。The energy-saving conduit device in this embodiment is applicable to any ship, and is particularly suitable for a crude oil wheel of more than 100,000 tons, and has at least 3% energy saving effect.
作为本发明优选的实施方案,所述第一导管100和所述第二导管200沿竖直方向倾斜的角度a=3~7°。由于靠近螺旋桨上方的流场对螺旋桨造成的阻力较大且比较均匀,本实施例将第一导管100和第二导管200沿竖直方向的倾斜角度保持一致,以使螺旋桨适应其上方的流场作用力。As a preferred embodiment of the present invention, the first duct 100 and the second duct 200 are inclined at an angle a = 3 to 7 in the vertical direction. Since the flow field near the propeller is relatively large and relatively uniform to the propeller, the embodiment maintains the inclination angles of the first duct 100 and the second duct 200 in the vertical direction to match the propeller to the flow field above it. Force.
优选地,所述第一导管100和所述第二导管200沿竖直方向倾斜的角度a=5°,可使船舶尾部的流场更为平整,最大程度低降低螺旋桨的流场阻力。Preferably, the first conduit 100 and the second conduit 200 are inclined at an angle a=5° in the vertical direction to make the flow field at the tail of the ship more flat, and to minimize the flow field resistance of the propeller.
作为本发明进一步优选的实施方案,本实施方案根据船舶尾部的线型特点, 将所述第一导管100沿水平方向的倾斜角度设计为小于所述第二导管200沿水平方向的倾斜角度,以改善船舶尾部的整流效果,使螺旋桨适应船体两侧不同的流场阻力,从而提高螺旋桨的推进效率,使船舶的节能效果更为显著。As a further preferred embodiment of the present invention, the present embodiment is based on the linear characteristics of the tail of the ship. The inclination angle of the first duct 100 in the horizontal direction is designed to be smaller than the inclination angle of the second duct 200 in the horizontal direction to improve the rectification effect of the tail portion of the ship, so that the propeller can adapt to different flow field resistances on both sides of the hull, thereby Improve the propulsion efficiency of the propeller, so that the ship's energy saving effect is more significant.
具体地,所述第一导管100沿水平方向的倾斜角度b=1~4°,所述第二导管200沿水平方向的倾斜角度c=5~10°,以进一步提高船舶的节能效果。Specifically, the inclination angle b of the first duct 100 in the horizontal direction is =1 to 4°, and the inclination angle c=5 to 10° of the second duct 200 in the horizontal direction is further improved to further improve the energy saving effect of the ship.
优选地,所述第一导管100沿水平方向的倾斜角度b=2°,所述第二导管200沿水平方向的倾斜角度c=6°,在该倾斜角度下,船舶的节能效果最好。Preferably, the inclination angle b of the first duct 100 in the horizontal direction is b=2°, and the inclination angle of the second duct 200 in the horizontal direction is c=6°, at which the energy saving effect of the ship is the best.
综上,本实用新型为匹配船舶尾部的线型特点,对第一导管100和第二导管200的倾斜角度进行设计和优化后,使得安装有该节能导管装置的船舶具有显著的节能效果。In summary, the utility model is designed and optimized to match the linear shape of the tail of the ship, and the inclination angle of the first duct 100 and the second duct 200 is designed to make the ship equipped with the energy-saving duct device have significant energy saving effect.
作为本发明具体的实施方案,所述第一导管100包括依次连接的第一直部110、第一圆弧部120和第二直部130,所述第二导管200包括依次连接的第三直部210、第二圆弧部220和第四直部230,所述第一直部110与所述第三直部210连接,所述第二直部130和所述第四直部230分别与所述船体连接;所述第一导管100内设置有第一导叶140和第二导叶150,所述第一导叶140和所述第二导叶150交叉连接,所述第一导叶140的两端分别与所述第一圆弧部120连接,所述第二导叶150的一端与所述第一圆弧部120连接,另一端与所述船体连接;所述第二导管200内设置有第三导叶240和第四导叶250,所述第三导叶240和所述第四导叶250交叉连接,所述第三导叶240的两端分别与所述第二圆弧部220连接,所述第四导叶250的一端与所述第二圆弧部220连接,另一端与所述船体连接。本实施方案中,第一导管100和第二导管200采用该结构设计,可以进一步减小船舶尾部的流场对螺旋桨造成的阻力,降低船舶尾部的振动幅度。 As a specific embodiment of the present invention, the first duct 100 includes a first straight portion 110, a first circular arc portion 120, and a second straight portion 130 that are sequentially connected, and the second duct 200 includes a third straight line that is sequentially connected. a portion 210, a second arc portion 220, and a fourth straight portion 230, the first straight portion 110 is connected to the third straight portion 210, and the second straight portion 130 and the fourth straight portion 230 are respectively The hull is connected; a first vane 140 and a second vane 150 are disposed in the first duct 100, and the first vane 140 and the second vane 150 are cross-connected, the first vane Two ends of the 140 are respectively connected to the first circular arc portion 120, one end of the second guide vane 150 is connected to the first circular arc portion 120, and the other end is connected to the hull; the second conduit 200 a third vane 240 and a fourth vane 250 are disposed, the third vane 240 and the fourth vane 250 are cross-connected, and two ends of the third vane 240 and the second circle are respectively The arc portion 220 is connected, and one end of the fourth vane 250 is connected to the second arc portion 220, and the other end is connected to the hull. In the present embodiment, the first conduit 100 and the second conduit 200 adopt the structural design, which can further reduce the resistance caused by the flow field of the tail of the ship to the propeller and reduce the vibration amplitude of the tail of the vessel.
在本发明的另一实施例中,对四个导叶的设置位置进行了优化,即在保证第一导管100和第二导管200的安装稳定性的前提下对四个导叶的设置位置进行优化,以最大程度提高船舶的节能效果。具体地,所述第一导叶140的两端分别与所述第一圆弧部120的两端连接,所述第三导叶240的两端分别与所述第二圆弧部220的两端连接,所述第二导叶150远离所述第一圆弧部120的一端与所述第四导叶250远离所述第二圆弧部220的一端连接。In another embodiment of the present invention, the arrangement positions of the four vanes are optimized, that is, the positions of the four vanes are set under the premise of ensuring the mounting stability of the first duct 100 and the second duct 200. Optimized to maximize the energy savings of the vessel. Specifically, two ends of the first vane 140 are respectively connected to two ends of the first arc portion 120, and two ends of the third vane 240 and the second arc portion 220 are respectively An end of the second vane 150 away from the first arc portion 120 is connected to an end of the fourth vane 250 away from the second arc portion 220.
于本实施例的描述中,节能导管装置安装于30万吨级原油轮上,直部、圆弧部及导叶的宽度均相同,为2805mm,两个导管的壁厚不大于277mm,两个圆弧部的半径均为4000mm。In the description of the embodiment, the energy-saving conduit device is installed on the 300,000-ton crude oil wheel, and the widths of the straight portion, the circular arc portion and the guide vane are all the same, being 2805 mm, and the wall thickness of the two conduits is not more than 277 mm, two The radius of the arc portion is 4000 mm.
本实施例中的第一直部110、第一圆弧部120和第二直部130为一体成型结构,第三直部210、第二圆弧部220和第四直部230也是一体成型结构,以使第一导管100和第二导管200均具有良好的抗冲击强度。The first straight portion 110, the first circular arc portion 120 and the second straight portion 130 in the embodiment are integrally formed structures, and the third straight portion 210, the second circular portion 220 and the fourth straight portion 230 are also integrally formed structures. So that both the first conduit 100 and the second conduit 200 have good impact strength.
于本实施例的描述中,如无特殊说明,所述的连接均指焊接。In the description of the embodiment, the connection refers to welding unless otherwise specified.
本实施例中,所述第一导叶140垂直于所述第二导叶150,所述第三导叶240垂直于所述第四导叶250。In this embodiment, the first vane 140 is perpendicular to the second vane 150, and the third vane 240 is perpendicular to the fourth vane 250.
本发明的实施例还提供一种船舶,其包括上述实施例所述的节能导管装置。将上述实施例所述的节能导管装置安装于船体上并位于螺旋桨靠近船首一侧,可以有效提高船舶的节能效果。Embodiments of the present invention also provide a ship comprising the energy saving conduit device of the above embodiments. The energy-saving conduit device described in the above embodiment is mounted on the hull and located on the side of the propeller near the bow, which can effectively improve the energy-saving effect of the ship.
在本说明书的描述中,参考术语“优选实施方案”、“优选的实施方案”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不一定指的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。 In the description of the specification, the description of the terms "preferred embodiment", "preferred embodiment" and the like means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one implementation of the invention. In the example or example. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.
以上实施例仅用来说明本发明的详细方案,本发明并不局限于上述实施例,即不意味着本发明必须依赖上述实施例才能实施。所属技术领域的技术人员应该明了,对本发明的任何改进,对本发明产品各原料的等效替换及辅助成分的添加、具体方式的选择等,均落在本发明的保护范围和公开范围之内。 The above embodiments are only intended to illustrate the detailed embodiments of the present invention, and the present invention is not limited to the above embodiments, and does not mean that the present invention must be implemented by relying on the above embodiments. It should be apparent to those skilled in the art that any modifications of the present invention, equivalent substitution of the various materials of the products of the present invention, addition of auxiliary components, selection of specific means, and the like, are all within the scope of the present invention.

Claims (10)

  1. 一种节能导管装置,安装于船体上并位于螺旋桨靠近船首一侧,其特征在于,节能导管装置包括分别固定于所述船体两侧的第一导管和第二导管,所述第一导管和所述第二导管均沿靠近所述螺旋桨的方向倾斜,所述第一导管和所述第二导管内均设置有导叶。An energy-saving conduit device mounted on a hull and located on a side of the propeller near the bow, wherein the energy-saving conduit device includes a first conduit and a second conduit respectively secured to the sides of the hull, the first conduit and the The second conduits are each inclined in a direction close to the propeller, and guide vanes are disposed in both the first conduit and the second conduit.
  2. 根据权利要求1所述的节能导管装置,其特征在于,所述第一导管和所述第二导管沿竖直方向倾斜的角度为3~7°。The energy-saving catheter device according to claim 1, wherein the first conduit and the second conduit are inclined at an angle of 3 to 7 in a vertical direction.
  3. 根据权利要求2所述的节能导管装置,其特征在于,所述第一导管和所述第二导管沿竖直方向倾斜的角度为5°。The energy saving catheter device according to claim 2, wherein the first conduit and the second conduit are inclined at an angle of 5 in the vertical direction.
  4. 根据权利要求2所述的节能导管装置,其特征在于,所述第一导管沿水平方向的倾斜角度小于所述第二导管沿水平方向的倾斜角度。The energy-saving catheter device according to claim 2, wherein an inclination angle of the first duct in a horizontal direction is smaller than an inclination angle of the second duct in a horizontal direction.
  5. 根据权利要求4所述的节能导管装置,其特征在于,所述第一导管沿水平方向的倾斜角度为1~4°,所述第二导管沿水平方向的倾斜角度为5~10°。The energy-saving catheter device according to claim 4, wherein the first catheter has an inclination angle of 1 to 4 in the horizontal direction and the second catheter has an inclination angle of 5 to 10 in the horizontal direction.
  6. 根据权利要求4所述的节能导管装置,其特征在于,所述第一导管沿水平方向的倾斜角度为2°,所述第二导管沿水平方向的倾斜角度为6°。The energy-saving catheter device according to claim 4, wherein the first catheter has an inclination angle of 2 in the horizontal direction and the second catheter has an inclination angle of 6 in the horizontal direction.
  7. 根据权利要求1所述的节能导管装置,其特征在于,所述第一导管包括依次连接的第一直部、第一圆弧部和第二直部,所述第二导管包括依次连接的第三直部、第二圆弧部和第四直部,所述第一直部与所述第三直部连接,所述第二直部和所述第四直部分别与所述船体连接;The energy-saving catheter device according to claim 1, wherein the first conduit comprises a first straight portion, a first circular arc portion and a second straight portion that are sequentially connected, and the second conduit includes a first connected portion a third straight portion, a second circular portion and a fourth straight portion, wherein the first straight portion is connected to the third straight portion, and the second straight portion and the fourth straight portion are respectively connected to the hull;
    所述第一导管内设置有第一导叶和第二导叶,所述第一导叶与所述第二导叶交叉连接,所述第一导叶的两端分别与所述第一圆弧部连接,所述第二导叶的一端与所述第一圆弧部连接,另一端与所述船体连接;a first vane and a second vane are disposed in the first duct, the first vane is cross-connected with the second vane, and two ends of the first vane are respectively opposite to the first circle An arc portion is connected, one end of the second vane is connected to the first arc portion, and the other end is connected to the hull;
    所述第二导管内设置有第三导叶和第四导叶,所述第三导叶与所述第四导叶交叉连接,所述第三导叶的两端分别与所述第二圆弧部连接,所述第四导叶 的一端与所述第二圆弧部连接,另一端与所述船体连接。a third vane and a fourth vane are disposed in the second duct, the third vane is cross-connected with the fourth vane, and two ends of the third vane are respectively opposite to the second circle Arc connection, the fourth guide vane One end is connected to the second arc portion, and the other end is connected to the hull.
  8. 根据权利要求7所述的节能导管装置,其特征在于,所述第一导叶的两端分别与所述第一圆弧部的两端连接,所述第三导叶的两端分别与所述第二圆弧部的两端连接,所述第二导叶远离所述第一圆弧部的一端与所述第四导叶远离所述第二圆弧部的一端连接。The energy-saving catheter device according to claim 7, wherein both ends of the first vane are respectively connected to both ends of the first circular arc portion, and two ends of the third vane are respectively The two ends of the second arc portion are connected, and one end of the second vane away from the first arc portion is connected to one end of the fourth vane away from the second arc portion.
  9. 根据权利要求8所述的节能导管装置,其特征在于,所述第一导叶垂直于所述第二导叶,所述第三导叶垂直于所述第四导叶。The energy saving catheter device of claim 8 wherein said first vane is perpendicular to said second vane and said third vane is perpendicular to said fourth vane.
  10. 一种船舶,其特征在于,包括权利要求1至9中任一项所述的节能导管装置。 A ship comprising the energy saving conduit device of any one of claims 1 to 9.
PCT/CN2017/100609 2016-09-09 2017-09-05 Energy-saving guide pipe device and ship WO2018045952A1 (en)

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CN201610815128.2A CN106184603B (en) 2016-09-09 2016-09-09 A kind of energy-conservation conduit device and ship

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CN106184603B (en) * 2016-09-09 2018-09-07 广船国际有限公司 A kind of energy-conservation conduit device and ship

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1192545B (en) * 1961-01-14 1965-05-06 Ingefried Junge Dipl Ing A ship's propeller working in a nozzle with a strongly tapered hub
JPS63242795A (en) * 1986-03-27 1988-10-07 ワルトシラ− メリテオリス−ス オイ Propeller device with shroud
CN101200215A (en) * 2006-12-13 2008-06-18 万国造船株式会社 Shipping pipe, manufacture method thereof and shipping having the same
CN202368782U (en) * 2011-12-12 2012-08-08 江苏华海船舶设计有限公司 Energy-saving guide pipe for built-in guide vanes
CN202368781U (en) * 2011-12-12 2012-08-08 江苏华海船舶设计有限公司 Marine efficient and energy-saving guide pipe
CN103332280A (en) * 2013-07-01 2013-10-02 中国船舶科学研究中心上海分部 Radiance type preposed guide wheel
CN106184603A (en) * 2016-09-09 2016-12-07 广船国际有限公司 A kind of energy-conservation pipe guide and boats and ships

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202593838U (en) * 2012-05-18 2012-12-12 大连船舶重工集团有限公司 Ship hydrodynamic front guide wheel energy-saving device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1192545B (en) * 1961-01-14 1965-05-06 Ingefried Junge Dipl Ing A ship's propeller working in a nozzle with a strongly tapered hub
JPS63242795A (en) * 1986-03-27 1988-10-07 ワルトシラ− メリテオリス−ス オイ Propeller device with shroud
CN101200215A (en) * 2006-12-13 2008-06-18 万国造船株式会社 Shipping pipe, manufacture method thereof and shipping having the same
CN202368782U (en) * 2011-12-12 2012-08-08 江苏华海船舶设计有限公司 Energy-saving guide pipe for built-in guide vanes
CN202368781U (en) * 2011-12-12 2012-08-08 江苏华海船舶设计有限公司 Marine efficient and energy-saving guide pipe
CN103332280A (en) * 2013-07-01 2013-10-02 中国船舶科学研究中心上海分部 Radiance type preposed guide wheel
CN106184603A (en) * 2016-09-09 2016-12-07 广船国际有限公司 A kind of energy-conservation pipe guide and boats and ships

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