CN103204227A - Self-unloading bulk cargo transport ship and unloading method thereof - Google Patents

Self-unloading bulk cargo transport ship and unloading method thereof Download PDF

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Publication number
CN103204227A
CN103204227A CN2013100872068A CN201310087206A CN103204227A CN 103204227 A CN103204227 A CN 103204227A CN 2013100872068 A CN2013100872068 A CN 2013100872068A CN 201310087206 A CN201310087206 A CN 201310087206A CN 103204227 A CN103204227 A CN 103204227A
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China
Prior art keywords
unloading
deck
bulk goods
discharge port
load
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Pending
Application number
CN2013100872068A
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Chinese (zh)
Inventor
李路
杜拥军
周妍
邵梅峰
吴玉琴
曹忠辉
顾一清
马晓宇
袁鹤
罗蓉
朱文婷
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Shanghai Merchant Ship Design and Research Institute
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Shanghai Merchant Ship Design and Research Institute
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Application filed by Shanghai Merchant Ship Design and Research Institute filed Critical Shanghai Merchant Ship Design and Research Institute
Priority to CN2013100872068A priority Critical patent/CN103204227A/en
Publication of CN103204227A publication Critical patent/CN103204227A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a self-unloading bulk cargo transport ship. The self-unloading bulk cargo transport ship comprises a plurality of marine cranes which are arranged above a deck, and a cargo hold grab bucket is arranged at the end of each of the marine cranes; deck hoppers which are in one-to-one correspondence to the marine cranes are arranged on the deck of a ship body and positioned on a starboard, and a longitudinal conveyor belt is arranged below the deck hoppers along the longitudinal direction of the ship body and positioned above cargo holds; a first discharge outlet is arranged on the tail portion of the longitudinal conveyor belt and corresponds to a horizontal conveyor belt, and the horizontal conveyor belt is arranged along the horizontal direction of the ship body and communicates the deck starboard and a deck larboard; a second discharge outlet is arranged on the tail portion of the horizontal conveyor belt and corresponds to an inclined conveyor belt, and the inclined conveyor belt is upwards inclined along a deck of the larboard; and a third discharge outlet is arranged at the tail end of the inclined conveyor belt and corresponds to an unloading arm of a gantry crane, the unloading arm can telescope, slew and luff, and a fourth discharge outlet is arranged at the tail end of the unloading arm.

Description

A kind of from unloading bulk goods carrier and unloading method thereof
Technical field
The present invention relates to a kind of bulk goods carrier and unloading method thereof of unloading certainly, belong to technical field of ships.
Background technology
Show that according to the study the cost of transportation of the bulge carrier of unloading certainly and shore and terminal operating cost are not all installed the bulge carrier of self-unloading equipment well below other.What but at present, maritime industry generally was used for operation is gravity feeding, bilge belt conveying-type self discharging ship.The tradition self-discharging bulk carrier adopts gravity feeding type, bilge belt conveying-type self-unloading equipment usually.This equipment generally is made up of hopper 2, sluice gate 201, bilge load-transfer device 1 etc.Because this complete equipment adopts the gravity feeding, the bulk goods belt conveyor must be arranged in the bilge.Bilge load-transfer device 1 is communicated with each cabin, but bilge belt conveyor must keep watertight when passing watertight bulkhead 3, and scissor water tight sluice door need be set.Be protection bilge load-transfer device zone, need fill the mechanical ventilating system of the certain ventilation number of foot.
Referring to Fig. 1, bilge load-transfer device 1 is positioned at the bottom of cargo hold, participate in Fig. 3, tank top is the Double bottom structure that is W shape, after A position amplification among Fig. 3, referring to Fig. 4, as can be seen, the Double bottom structure respectively is provided with a bilge hopper 2, and bilge load-transfer device 1 is laid in the below of bilge hopper 2, this shows, the freight house bottom is provided with two bilge load-transfer devices 1 arranged side by side, when needs are unloaded, opens bilge hopper 2, bulk goods drops on gravity on the bilge load-transfer device 1 of below, and bilge load-transfer device 1 is down trapezoidal structure for syllogic, its cross section.Existing have following defective from the bulk goods carrier of unloading:
At first, according to its constructional feature as can be seen, this from unloading the bulk goods carrier, bilge complex structure, the associated mechanisms that belt is carried has taken than large space, simultaneously, for the hopper 2 that gravity unloads design is set at the bilge, the Double bottom structure that needs the bilge is designed to W shape has been sacrificed the volume of many freight houses in order to realize the gravity unloading, cause the waste of hold space, this shows, existing less from the bulk goods carrier freight house volume of unloading, the storage inefficiency.
The second, rely on gravity to unload at the bilge, the rate of discharging difficulty has the rising space, is difficult to regulate.
The 3rd, referring to Fig. 1 and to the Fig. 2 after the C portion amplification on it, between freight house bottom and the bilge load-transfer device 1, be provided with watertight bulkhead 3 at the interval of freight house and freight house, when needs were unloaded, this watertight bulkhead 3 was opened, bilge hopper 2 also opens, bulk goods falls on the bilge load-transfer device 1, and moves forward with bilge load-transfer device 1, up to the next step that enters unloading.Hull bottom has two bilge load-transfer devices arranged side by side, and structure and control are all very complicated, are out of order easily, and, in case after being out of order in the position of certain freight house, the whole unloading delivery system of the bulk goods carrier of unloading certainly will be stopped, after finishing, maintenance just can proceed unloading, influenced work efficiency greatly, cause human and material resources, financial resources and waste of time, and watertight bulkhead 3 generally is water tight sluice door, the fault rate height, and cause the carrying force loss.
The 4th, existing from the bulk goods carrier of unloading, owing to its discharge channel, be the bottom that bilge load-transfer device is positioned at freight house, therefore the direction of unloading is fixed, and is difficult to change, and can only carry out the unloading of ship to shore, can't carry out the unloading of ship-to-ship, so its unloading condition is restricted.
The 5th, owing to be arranged on the freight house bottom from the facility of unloading, need mechanical ventilating system is installed, cost is higher.
The 6th, all are installed in tank top from the facility of unloading, in case all need quitting work, overhauls by the et out of order equipment package, and the narrow and small very inconvenience of service clearance.
In sum, this class bilge belt conveying-type self discharging ship cargo hold is arranged in tank top with self discharging system, and cargo hold version is special, the volume of compartment degree of utilization is low, and self-unloading efficient is low, fault rate height, and maintenance difficult during et out of order, and dust pollution is big.
Summary of the invention
In order to solve the technical matters that exists in the above-mentioned prior art, the present invention is intended to improve the handling efficiency of self discharging system, improves the volume of compartment degree of utilization, reduces equipment failure rate.It is strong, easy to maintenance to design big, the suitable goods of a hold space, and unloading is efficient self-discharging bulk carrier rapidly.
The present invention takes following technical scheme:
A kind of bulk goods carrier of unloading certainly comprises several loop wheel machines 6 peculiar to vessel, and described loop wheel machine 6 peculiar to vessel is arranged on the top, deck, which is provided with freight house grab bucket 601; Deck in ship structure is provided with and each loop wheel machine 6 peculiar to vessel deck hopper 5 one to one, and described deck hopper 5 is positioned at starboard, and its below is provided with traveling bed 4, and described traveling bed 4 vertically arranges along hull, and is positioned at the top of freight house; The afterbody of described traveling bed 4 is provided with first discharge port, and described first discharge port is corresponding with transverse onveyer, and described transverse onveyer is communicated with deck starboard and deck larboard along the hull horizontally set; Described transverse onveyer afterbody is provided with second discharge port, and described second discharge port is corresponding with inclined load-transfer device 7, the setting that is inclined upwardly along the larboard deck of described inclined load-transfer device 7; The end of described inclined load-transfer device 7 is provided with the 3rd discharge port, and the unloading arm 8 of described the 3rd discharge port and portal frame driving is corresponding, and described unloading arm 8 can stretch, luffing, revolution, and the end of described unloading arm 8 is provided with the 4th discharge port.
Further, the bottom of described deck hopper 5 is provided with belt feeder 501, and bulk goods drops on the described traveling bed 4 by described belt feeder 501.
Further, described portal frame driving can be moved front and back on the track of deck larboard.
Further, the quantity of described deck hopper 5 is 2-8.
Further, described deck hopper 5 is the inverted ladder-shaped body structure.
Further, enclosed construction around described bulk goods is in the course of conveying of load-transfer device.
Further, on the belt wheel of described traveling bed 4, transverse onveyer, inclined load-transfer device protective cover is housed all.
Further, be provided with spill plate, the bulk goods that centralized collection is overflowed below the described belt wheel.
A kind of unloading method of the above-mentioned bulk goods carrier of unloading certainly may further comprise the steps:
A) grab bucket 601 of loop wheel machine peculiar to vessel is picked up bulk goods from freight house, unloads to deck hopper 5;
B) bulk goods falls on the belt feeder 501, and belt feeder 501 even chargings are unloaded bulk goods and fallen within on the traveling bed 4;
C) bulk goods walks to its end with traveling bed 4, drops on the transverse onveyer from first discharge port;
D) bulk goods walks to its end with transverse onveyer, drops on the inclined load-transfer device 7 from second discharge port;
E) bulk goods walks to its end with inclined load-transfer device 7, drops on the unloading arm 8 from the 3rd discharge port;
F) flexible, the luffing of unloading arm 8, revolution; Bulk goods walks to unloading arm 8 ends, drops on storage yard or other boats and ships from the 4th discharge port.
Characteristics of the present invention are: adopted one group of a plurality of decks hopper 5, and it is set gradually along the deck starboard, again by the loop wheel machine peculiar to vessel 6 of one group of a plurality of correspondence is set, goods is grabbed out in freight house, be discharged in the deck hopper 5, traveling bed 4 by continuous integral type is set again, transverse onveyer, the inclined load-transfer device, goods is transferred to larboard from starboard, walk obliquely upward up to arriving at the portal frame driving, the portal frame driving can be regulated the level angle of unloading arm easily by revolution, regulate vertical angle by luffing more again, by stretching to regulate brachium, easily goods is discharged on the stockyard or other boats and ships of appointment.
Details are as follows for the unloading process: utilize the grab bucket of each loop wheel machine peculiar to vessel between cargo hold that goods is picked up from cargo hold, unload in five fixed type deck hoppers 5 to the starboard deck, goods is dropped on equably on the traveling bed 4 of deck hopper 5 belows by the belt feeder that is located under the deck hopper 5, traveling bed 4 transports goods and slightly promote to afterbody, again by being located at first discharge port of traveling bed 4 tail ends, drop on goods on the transverse onveyer equably, transverse onveyer is delivered to larboard and slightly lifting with goods from starboard, pass through second discharge port of transverse onveyer tail end again, goods is unloaded equably to the inclined load-transfer device 7 that is located on the larboard deck, inclined load-transfer device 7 transports goods and significantly promote gradually to head, and at it foremost, also be that highest point unloads goods to the unloading arm 8 of portal frame driving by the 3rd discharge port, by unloading arm 8 goods unloaded to the cargo hold of storage yard or other boats and ships by telescopic discharge port at last.
Beneficial effect of the present invention is:
1) whole systems linking one from unloading, wherein arbitrary freight house, loop wheel machine peculiar to vessel, deck hopper place et out of order all do not influence the carrying out of unloading.
2) need not bilge hopper and hydraulic control system thereof, simple in structure, easy to operate.
3) cargo hold version is simple, capacity degree of utilization height, easy construction.
4) the unloading angle is regulated arbitrarily, can be conveniently to realizing the unloading of ship-to-ship.
5) have unique efficient self-unloading equipment, the rate of discharging height, according to the bulk goods of two kinds of different specific weights, rate of discharging reaches 5500t/h and 6470m3/h respectively, greater than the rate of discharging of existing unloading aid.
6) load and unload omnidistance no dust pollution, be equipped with the maintenance pavement, independent maintenance platform, maintenance is convenient;
7) the cargo hold natural ventilation need not mechanical ventilation;
Description of drawings
Fig. 1 is the structural representation of the discharging system of existing freight house from the bulge carrier of unloading and bottom thereof.
Fig. 2 is the enlarged diagram at C place among Fig. 1.
Fig. 3 is the schematic cross section of freight house and discharging system thereof among Fig. 1
Fig. 4 is the enlarged diagram at A place among Fig. 3.
Fig. 5 is that the present invention is from the schematic top plan view of the bulge carrier of unloading.
Fig. 6 is the construction profile scheme drawing from the bulge carrier of unloading of the present invention.
Fig. 7 is the detailed structure scheme drawing of loop wheel machine peculiar to vessel and deck hopper 5 etc. among Fig. 6.
Fig. 8 be among Fig. 6 vertically, laterally, the structural representation of inclined load-transfer device and portal frame driving.
Fig. 9 is the part-structure enlarged diagram among Fig. 8.
Figure 10 is the part-structure enlarged diagram among Fig. 9.
Figure 11 is the perspective view of deck hopper.
Figure 12 is that the master of deck hopper looks scheme drawing.
Figure 13 is hull bench section form scheme drawing.
Wherein, 1, bilge load-transfer device, 2, hopper, 3, watertight bulkhead, 4, traveling bed, 5, the deck hopper, 6, loop wheel machine peculiar to vessel, 7, the inclined load-transfer device, 8, the unloading arm, 201, sluice gate, 501, belt feeder, 601, grab bucket.
·
The specific embodiment
The present invention is further described below in conjunction with specific embodiment.
A kind of bulk goods carrier of unloading certainly comprises five loop wheel machines 6 peculiar to vessel, and loop wheel machine 6 peculiar to vessel is arranged on the top, deck, which is provided with freight house grab bucket 601; Deck in ship structure is provided with and each loop wheel machine peculiar to vessel deck hopper 5 one to one, and deck hopper 5 is located at starboard, and its below is provided with traveling bed 4, and traveling bed 4 vertically arranges along hull, and is positioned at the top of freight house; The afterbody of traveling bed 4 is provided with first discharge port, and first discharge port is corresponding with transverse onveyer, and transverse onveyer is communicated with deck starboard and deck larboard along the hull horizontally set; The transverse onveyer afterbody is provided with second discharge port, and second discharge port is corresponding with inclined load-transfer device 7, inclined load-transfer device 7 setting that is inclined upwardly along the larboard deck; The end of inclined load-transfer device 7 is provided with the 3rd discharge port, and the 3rd discharge port is corresponding with unloading arm 8, and unloading arm 8 can stretch, revolution, luffing, and the end of unloading arm 8 is provided with the 4th telescopic discharge port.The bottom of deck hopper 5 is provided with belt feeder 501, and bulk goods evenly drops on the traveling bed 4 by described belt feeder 501.The portal frame driving can be moved front and back on the track of deck larboard, thereby is adjusted to suitable position.Deck hopper 5 be the inverted ladder-shaped body structure.Enclosed construction around bulk goods is in the course of conveying of load-transfer device.On the belt wheel of traveling bed 4, transverse onveyer, inclined load-transfer device protective cover is housed all.The belt wheel below is equipped with spill plate, the bulk goods that centralized collection is overflowed.
Concrete unloading flow process is as follows: utilize the grab bucket of each loop wheel machine peculiar to vessel between cargo hold that goods is picked up from cargo hold, unload in five fixed type deck hoppers 5 to the starboard deck, goods is dropped on equably on the traveling bed 4 of deck hopper 5 belows by the belt feeder that is located under the deck hopper 5, traveling bed 4 transports goods and slightly promote to afterbody, again by being located at first discharge port of traveling bed 4 tail ends, drop on goods on the transverse onveyer equably, transverse onveyer is delivered to larboard and slightly lifting with goods from starboard, pass through second discharge port of transverse onveyer tail end again, goods is unloaded equably to the inclined load-transfer device 7 that is located on the larboard deck, inclined load-transfer device 7 transports goods and significantly promote gradually to head, and at it foremost, also be that highest point unloads goods to the unloading arm 8 of portal frame driving by the 3rd discharge port, by unloading arm 8 goods unloaded to the cargo hold of storage yard or other boats and ships by telescopic discharge port at last.
Of the present invention can whole day continuous operations in 24 hours from the bulge carrier of unloading, suitable transportation comprises various bulk goods such as ore, coal, cereal, rice, cement.
The exploitation of ship type and performance design technology.Self-discharging bulk carrier of the present invention is very high to the difficulty requirement of line style design, should guarantee the index of the speed of a ship or plane, cargo capacity, considers service conditions and the general layout of self discharging system again, guarantees enough floor spaces.At above problem, when line style is developed respectively from improving the first line style of ball, revise the vertical stream of afterbody, adjusting the start with effective way of research raising ship speed of many-side such as position, centre of buoyancy.In design, carry out resistance optimization relatively with CFD software, and famous pond 702 research institutes have carried out repeatedly model experiment and have continued to optimize at home, finally determine the cross-sectional diagram form of this ship, referring to Figure 13.Two first thrusters, adjustable oar, flap improve ship maneuverability, realize the shuttle back and forth transhipment coal function of this ship between harbour and anchorage boats and ships, boats and ships and boats and ships.
By Stilt layer being set, adjusting device height, arranging and satisfy international convention to the specific (special) requirements of operator's compartment sight line
By with all self-unloading facility locations more than main deck, increase the cargo hold effective length, improve the volume of compartment degree of utilization, make the cargo area connection and reasonable arrangement simultaneously, reach the convenient and safe requirement of cargo handing.The gordian technique of this ship is mainly around the layout of self-unloading equipment on hull.Cooperate the extraordinary cranes of five 40tx26m, and the hydraulic efficiency pressure system of control self discharging system, consolidating the load is with three bulldozers.
For arrange at limited floor space huge, complicated self discharging system, fender winch, cable, maintenance pavement etc. and for satisfy head that code requirement is equipped with, in, the tail berthing accommodation, guarantee connection and reasonable arrangement between each system again, convenient operating maintenance, in the layout planning of deck plane, must consider the expansion from the plane to the space.
The structure design of this ship all is centered around how to alleviate this principle of structural weight under the situation that satisfies new CSR common specification as far as possible.By methods such as direct calculating and finite element analyses, the cargo hold key position has been carried out optimal design, effectively control light weight; By finite element analysis, the distortion of calculating each operating mode deckboards, optimize the design of gauntry crane Crane Rail, reduce shipbody deformation to the influence of self-unloading equipment.
This ship need satisfy the mode of operation of ship-to-ship barge transport operation.Can adjust crashproof main fender and the auxiliary fender of fixed type of height by design.Block casual collision between boats and ships.
This ship requires to design two cover power stations according to the shipowner, be provided with a cover by 3 600kW at the cabin upper mounting plate, the power station that the 450V electrical generator is formed, be used for to cabin accessory machinery and full ship lifestyle device power supply, be provided with a cover in addition by 4 1550kW in upper deck, the power station that the 690V electrical generator is formed, this power station are used for to self-unloading equipment, first thruster, crane power supply.The power of considering self-unloading equipment, crane, first thruster is all bigger, as select the 440V output voltage for use, then the power devices cross-section of cable is long-pending can be very thick, as select for use medium voltage network then can give shipyard, shipowner the cost of increasing input again, weigh the advantages and disadvantages, selecting the output voltage of electrical generator is 690V, and it is long-pending but also saved the required space of deck plane cabling not only to have reduced the cross-section of cable.There is automatic control function in two cover power stations, can press the automatic starting-generating unit of payload, automatic paralleling and reasonable distribution load.And first thruster, crane and self-unloading equipment all are provided with heavy duty and inquire, to guarantee safe operation of electric network.
The present invention is arranged on deck hopper 5, traveling bed 4 on the starboard of deck, and inclined load-transfer device 7 is arranged on the larboard of deck, and actual can the exchange belongs within protection scope of the present invention equally.Simultaneously, above embodiment does not limit protection scope of the present invention as just one embodiment of the present invention, and those of ordinary skill in the field carry out simple conversion by the work of non-creativeness, can also obtain other embodiments.

Claims (9)

1. one kind from the bulk goods carrier of unloading, and it is characterized in that:
Comprise several loop wheel machines peculiar to vessel (6), described loop wheel machine peculiar to vessel (6) is arranged on the top, deck, which is provided with freight house grab bucket (601);
Deck in ship structure is provided with and each loop wheel machine peculiar to vessel (6) deck hopper (5) one to one, described deck hopper (5) is positioned at starboard, its below is provided with traveling bed (4), and described traveling bed (4) vertically arranges along hull, and is positioned at the top of freight house;
The afterbody of described traveling bed (4) is provided with first discharge port, and described first discharge port is corresponding with transverse onveyer, and described transverse onveyer is communicated with deck starboard and deck larboard along the hull horizontally set;
Described transverse onveyer afterbody is provided with second discharge port, and described second discharge port is corresponding with inclined load-transfer device (7), described inclined load-transfer device (7) setting that is inclined upwardly along the larboard deck;
The end of described inclined load-transfer device (7) is provided with the 3rd discharge port, and the unloading arm (8) of described the 3rd discharge port and portal frame driving is corresponding, and described unloading arm (8) can stretch, luffing, revolution, and the end of described unloading arm (8) is provided with the 4th discharge port.
2. as claimed in claim 1 it is characterized in that: the bottom of described deck hopper (5) is provided with belt feeder (501) from unloading the bulk goods carrier, and bulk goods drops on the described traveling bed (4) by described belt feeder (501).
3. as claimed in claim 1 from unloading the bulk goods carrier, it is characterized in that:
Described portal frame driving can be moved front and back on the track of deck larboard.
4. as claimed in claim 1 from unloading the bulk goods carrier, it is characterized in that:
The quantity of described deck hopper (5) is 2-8.
5. as claimed in claim 1 from the bulk goods carrier of unloading, it is characterized in that: described deck hopper (5) be the inverted ladder-shaped body structure.
6. as claimed in claim 1 from unloading the bulk goods carrier, it is characterized in that: enclosed construction around described bulk goods is in the course of conveying of load-transfer device.
7. as claimed in claim 6 from unloading the bulk goods carrier, it is characterized in that: on the belt wheel of described traveling bed (4), transverse onveyer, inclined load-transfer device protective cover is housed all.
8. as claimed in claim 6 from unloading the bulk goods carrier, it is characterized in that: described belt wheel below is provided with spill plate, the bulk goods that centralized collection is overflowed.
9. the unloading method from the bulk goods carrier of unloading as claimed in claim 2 is characterized in that, may further comprise the steps:
A) grab bucket of loop wheel machine peculiar to vessel (601) is picked up bulk goods from freight house, unloads to deck hopper (5);
B) bulk goods falls on the belt feeder (501), and evenly charging of belt feeder (501) is unloaded bulk goods and fallen within on the traveling bed (4);
C) bulk goods walks to its end with traveling bed (4), drops on the transverse onveyer from first discharge port;
D) bulk goods walks to its end with transverse onveyer, drops on the inclined load-transfer device (7) from second discharge port;
E) bulk goods walks to its end with inclined load-transfer device (7), drops on the unloading arm (8) from the 3rd discharge port;
F) flexible, the luffing of unloading arm (8), revolution; Bulk goods walks to unloading arm (8) end, drops on storage yard or other boats and ships from the 4th discharge port.
CN2013100872068A 2013-03-18 2013-03-18 Self-unloading bulk cargo transport ship and unloading method thereof Pending CN103204227A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103600816A (en) * 2013-11-21 2014-02-26 浙江海洋学院 Unloading device of bulk cargo ship
CN103600815A (en) * 2013-11-21 2014-02-26 浙江海洋学院 Self-unloading bulk cargo ship
CN105389422A (en) * 2015-10-22 2016-03-09 上海船舶研究设计院 Method for calculating total ship steam consumption
CN110282078A (en) * 2018-03-19 2019-09-27 江苏现代造船技术有限公司 A kind of accuracy control method of self-discharging ship tank top W type segmentation
CN112389589A (en) * 2020-10-19 2021-02-23 中船澄西船舶修造有限公司 Transverse small tip structure of cargo hold of self-discharging ship and manufacturing method

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CN1884001A (en) * 2006-06-22 2006-12-27 上海公茂起重设备有限公司 Marine bulk cargo transferring system ship

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CN1884001A (en) * 2006-06-22 2006-12-27 上海公茂起重设备有限公司 Marine bulk cargo transferring system ship

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103600816A (en) * 2013-11-21 2014-02-26 浙江海洋学院 Unloading device of bulk cargo ship
CN103600815A (en) * 2013-11-21 2014-02-26 浙江海洋学院 Self-unloading bulk cargo ship
CN103600816B (en) * 2013-11-21 2015-10-28 浙江海洋学院 Bulge carrier device for discharging
CN103600815B (en) * 2013-11-21 2015-11-18 浙江海洋学院 A kind of self-discharge bulk carrier
CN105389422A (en) * 2015-10-22 2016-03-09 上海船舶研究设计院 Method for calculating total ship steam consumption
CN110282078A (en) * 2018-03-19 2019-09-27 江苏现代造船技术有限公司 A kind of accuracy control method of self-discharging ship tank top W type segmentation
CN112389589A (en) * 2020-10-19 2021-02-23 中船澄西船舶修造有限公司 Transverse small tip structure of cargo hold of self-discharging ship and manufacturing method
CN112389589B (en) * 2020-10-19 2021-08-17 中船澄西船舶修造有限公司 Transverse small tip structure of cargo hold of self-discharging ship and manufacturing method

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