CN216783759U - Double-layer bottom arrangement structure at machine position of trailing suction hopper dredger - Google Patents

Double-layer bottom arrangement structure at machine position of trailing suction hopper dredger Download PDF

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Publication number
CN216783759U
CN216783759U CN202122942116.5U CN202122942116U CN216783759U CN 216783759 U CN216783759 U CN 216783759U CN 202122942116 U CN202122942116 U CN 202122942116U CN 216783759 U CN216783759 U CN 216783759U
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cabin
pump
double
tank
seawater
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李敏
田杰
陈卫华
王楠
徐赛
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Shanghai Hansail Marine & Offshore Design Co ltd
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Shanghai Hansail Marine & Offshore Design Co ltd
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Abstract

The utility model discloses a double-bottom arrangement structure of a drag suction dredger machine, which comprises a cabin double-bottom arranged at the stern of a ship, a pump cabin double-bottom and a pump cabin double-bottom arranged at the bow. The lubricating oil circulation cabin is arranged right below the diesel engine, so that an oil return pipe of an oil pan of the diesel engine and a suction pipe with a lubricating oil pump of the diesel engine can be conveniently arranged and installed, and the pipeline resistance is reduced; an isolation empty chamber is arranged between the lubricating oil circulation chamber and the bottom plate of the ship, so that seawater can not enter a lubricating oil system of the diesel engine when the bottom of the ship is damaged; when water using equipment of the pump cabin and the pump cabin takes water from the seawater sedimentation cabin, the water does not need to pass through a watertight bulkhead between the pump cabin and the pump cabin; the large-volume seawater sedimentation tank is convenient for personnel to enter the seawater sedimentation tank to clean deposited sludge when a ship enters the dock; the high-level seawater tank and the low-level seawater tank are respectively arranged on the bow and the stern and are communicated by the seawater pipe, so that the seawater tanks can be switched to use according to the use condition of the ship, and the silt entering the seawater pipe is reduced.

Description

Double-layer bottom arrangement structure at machine position of trailing suction hopper dredger
Technical Field
The utility model relates to a double-layer bottom arrangement structure of a drag suction dredger machine, belonging to the technical field of dredging ships.
Background
Although the power configuration of various newly built trailing suction dredge in recent years almost adopts the compound drive with multiple belts and various forms, the traditional 'one-driving-one' power configuration is still used when some civil dredging enterprises in China put into operation and build new trailing suction dredge in consideration of the whole cost of the dredge, the difficulty of managing the dredge and the operation and maintenance cost.
The number of the diesel engines can reach as many as 9, and the diesel engines are distributed at two machine places of a cabin and a pump cabin. The double-layer bottom arrangement of the machine is closely related to the arrangement of each auxiliary device, pipeline and the like in the machine.
The double-layer bottom of the drag suction dredger machine place is composed of a bottom plate, an inner bottom plate and an outer plate of a ship body, and is divided into a plurality of functional cabins by a longitudinal cabin wall and a transverse cabin wall, wherein the functional cabins comprise a lubricating oil circulation cabin, an empty cabin, a cooling fresh water discharge cabin, an oil residue cabin, a diesel oil pollution cabin, a sewage and lubrication oil cabin, a diesel oil overflow cabin, a cabin bottom water cabin, a depth finder cabin, a seawater tank and a seawater sedimentation cabin.
The vertical distance of the double-layer bottom from the keel line of the ship with the double-layer bottom is not less than B/20, and not less than 760mm, but not necessarily more than 2000 mm.
The conventional lubricating oil circulation cabin is not arranged right below an oil sump of the diesel engine, so that the lubricating oil circulation of the diesel engine is not facilitated, an oil return pipe and a suction pipe are too long, and the resistance is large.
The seawater sedimentation cabin is only arranged in the pump cabin or the pump cabin, and a seawater pipe of part of equipment needs to pass through a watertight cabin wall between the pump cabin and the pump cabin.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: how to facilitate the circulation of diesel engine oil and how to avoid unnecessary sea water pipes passing through watertight bulkheads.
In order to solve the technical problems, the technical scheme of the utility model provides a double-layer bottom arrangement structure of a drag suction dredger machine, which is characterized by comprising a cabin double-layer bottom arranged at a stern, a pump cabin double-layer bottom arranged at a bow and a pump cabin double-layer bottom;
the device comprises a cabin, a diesel oil sump cabin, a high-level sea water tank, a low-level sea water tank, a bottom water cabin and a depth measuring instrument cabin, wherein the oil sump cabin and the low-level sea water tank are arranged on the port side of the bow of the double-layer bottom of the cabin; a left main engine lubricating oil circulation cabin is arranged on the left side of a stern part of the double-layer bottom of the engine room, a right main engine lubricating oil circulation cabin is arranged on the right side of the stern part of the double-layer bottom of the engine room, engine room empty cabins are arranged around the left main engine lubricating oil circulation cabin and the right main engine lubricating oil circulation cabin, the left main engine lubricating oil circulation cabin and the right main engine lubricating oil circulation cabin are both located right below the main engine, and a cooling fresh water discharge cabin is arranged at the stern part of the double-layer bottom of the engine room close to a midship;
the pump cabin is characterized in that side push pipe chases are arranged on the bow part of the double-layer bottom of the pump cabin, the side push pipe chases penetrate through a left side and a right side, a pump cabin diesel oil overflow cabin and a pump cabin oil residue cabin located on the front side of the pump cabin diesel oil overflow cabin are arranged on the left side of the stern part of the double-layer bottom of the pump cabin, a pump cabin bottom water cabin is arranged on the right side of the stern part of the double-layer bottom of the pump cabin, a pump cabin dirty diesel oil cabin and a pump cabin dirty oil lubrication cabin located on the rear side of the pump cabin dirty diesel oil cabin are arranged on the front side of the midship part of the double-layer bottom of the pump cabin, a left pump cabin lubricating oil circulation cabin is arranged on the right side of the midship part of the double-layer bottom of the pump cabin, pump cabin empty cabins are arranged around the left pump cabin lubricating oil circulation cabin and the right pump cabin lubricating oil circulation cabins, and the left pump cabin lubricating oil circulation cabins are both located right under the mud pump diesel engine;
a bow low-level sea water tank and a left high-pressure flushing pump sea water tank which are positioned on the right side of the bow low-level sea water tank are arranged on the left side of the bow part of the double-layer bottom of the pump cabin, a bow high-level sea water tank and a right high-pressure flushing pump sea water tank which are positioned on the left side of the bow high-level sea water tank are arranged on the right side of the bow part of the double-layer bottom of the pump cabin, and pump cabin air tanks are arranged around the bow low-level sea water tank and the left high-pressure flushing pump sea water tank and around the bow high-level sea water tank and the right high-pressure flushing pump sea water tank;
the pump cabin double-layer bottom stern part and the pump cabin double-layer bottom bow part are provided with a seawater sedimentation cabin, one end of the seawater sedimentation cabin is positioned in the pump cabin double-layer bottom, and the other end of the seawater sedimentation cabin is positioned in the pump cabin double-layer bottom.
Preferably, the low sea water tank and the high sea water tank are communicated through a valve, a filter and a sea water main pipe which are arranged above the double-layer bottom of the cabin.
Preferably, isolation empty chambers are arranged between the left main engine lubricating oil circulation chamber and the bottom plate of the ship and between the right main engine lubricating oil circulation chamber and the bottom plate of the ship.
Preferably, isolation empty chambers are arranged between the left pump cabin lubricating oil circulation chamber and the bottom board and between the right pump cabin lubricating oil circulation chamber and the bottom board.
Preferably, the height of the isolated empty cabin is not less than 500 mm.
Preferably, the double-layer bottom of the pump cabin and the upper side of the double-layer bottom of the pump cabin are provided with watertight bulkheads, and the watertight bulkheads are arranged between the pump cabin and the pump cabin.
Preferably, one half of the seawater sedimentation tank is positioned in the double-layer bottom of the pump chamber, and the other half of the seawater sedimentation tank is positioned in the double-layer bottom of the pump chamber.
Preferably, two ends of the seawater sedimentation tank positioned in the double-layer bottom of the pump cabin are adjacent to the bow low-level seawater tank and the bow high-level seawater tank.
Preferably, the seawater sedimentation tank is respectively communicated with a bow low-level seawater tank and a bow high-level seawater tank through seawater pipes; the seawater sedimentation cabin is communicated with the cabin seawater main pipe through a seawater pipe.
Preferably, the seawater sedimentation tank is respectively communicated with the bow low-level seawater tank and the bow high-level seawater tank through a valve, a filter and a seawater pipe; the seawater sedimentation cabin is communicated with the cabin seawater main pipe through a valve and a seawater pipe.
Compared with the prior art, the utility model has the following beneficial effects:
1, a lubricating oil circulation cabin is arranged right below a diesel engine, so that an oil return pipe of an oil pan of the diesel engine and a suction pipe with a lubricating oil pump of the diesel engine can be conveniently arranged and installed, and the pipeline resistance is reduced;
2, an isolated empty cabin is arranged between the lubricating oil circulation cabin and the bottom plate of the ship, so that seawater can not enter a lubricating oil system of the diesel engine when the bottom of the ship is damaged;
3 when the water using equipment of the pump cabin and the pump cabin takes water from the seawater sedimentation cabin, the water does not need to pass through the watertight bulkhead between the pump cabin and the pump cabin;
4, the seawater sedimentation tank with large volume is convenient for personnel to enter the seawater sedimentation tank to clean deposited sludge when a ship enters the dock;
5 high and low seawater tanks are respectively arranged on the bow and the stern of the ship and are communicated by seawater pipes, and the seawater tanks can be switched to use according to the use working conditions of the ship, so that the silt entering the seawater pipes is reduced.
Drawings
FIG. 1 is a schematic illustration of a double-bottom arrangement at a trailing suction hopper dredger machine (one);
fig. 2 is a schematic diagram (two) of a double-bottom arrangement at a trailing suction hopper dredger machine.
Detailed Description
In order to make the utility model more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
The utility model provides a double-layer bottom arrangement structure of a drag suction dredger machine, which comprises a cabin double-layer bottom 100 arranged at the stern and a combination of a pump cabin double-layer bottom 300 and a pump cabin double-layer bottom 200 arranged at the bow.
As shown in fig. 1, the double-layer bottom 100 of the engine room comprises an oil residue cabin 106, a dirty lubricating oil cabin 107, a depth measuring instrument cabin 108, a bilge water cabin 109, a diesel oil overflow cabin 110, a dirty diesel oil cabin 111, a low sea water tank 105, a high sea water tank 112, a cooling fresh water discharge cabin 104, a left main engine lubricating oil circulation cabin 102, a right main engine lubricating oil circulation cabin 103 and an engine room empty cabin 101.
A slag tank 106 and a low sea water tank 105 which is positioned in front of the slag tank 106 and on the left side of the slag tank 106 are arranged on the bow part and the port side of the double-layer bottom 100 of the cabin. A diesel oil pollution tank 111 and a high sea chest 112 which is positioned in front of the diesel oil pollution tank 111 and on the right side of the diesel oil pollution tank 111 are arranged on the bow starboard side of the double-layer bottom 100 of the engine room. The low sea chest 105 and the high sea chest 112 communicate through valves, filters and a sea manifold arranged above the double bottom 100 of the nacelle.
A cabin bottom water cabin 109 and a depth measuring instrument cabin 108 which is positioned on the front side of the cabin bottom water cabin 109 and on the left side of the cabin bottom water cabin 109 are arranged on a bow midship of the cabin double-layer bottom 100; a dirty oil tank 107 is arranged between the bilge water tank 109 and the oil residue tank 106, and a diesel oil overflow tank 110 is arranged between the bilge water tank 109 and a dirty diesel oil tank 111.
The left main engine lubricating oil circulation cabin 102 and the engine cabin empty cabin 101 located around the left main engine lubricating oil circulation cabin 102 are arranged on the left side of the stern part of the engine cabin double-layer bottom 100. The left main engine lubricating oil circulation cabin 102 is located under the main engine, an isolation empty cabin is arranged between the left main engine lubricating oil circulation cabin 102 and a bottom plate of the ship, and the height of the isolation empty cabin is not less than 500mm, so that the personnel construction is facilitated.
The right side of the stern part of the double-layer bottom 100 of the engine room is provided with a right main engine lubricating oil circulation cabin 103 and an engine room empty cabin 101 positioned around the right main engine lubricating oil circulation cabin 103. The right main engine lubricating oil circulation cabin 103 is located under the main engine, an isolation empty cabin is arranged between the right main engine lubricating oil circulation cabin 103 and a bottom plate of the ship, and the height of the isolation empty cabin is not less than 500mm, so that the personnel construction is facilitated.
The stern of the cabin double-layer bottom 100 is provided with a cooling fresh water discharge cabin 104 in a midship.
As shown in fig. 2, the combination of the pump room double-layer bottom 300 and the pump room double-layer bottom 200 includes a pump room diesel overflow compartment 301, a pump room oil residue compartment 302, a pump room bottom water compartment 303, a left pump room lubricating oil circulation compartment 304, a right pump room lubricating oil circulation compartment 305, a pump room dirty lubricating oil compartment 306, a pump room dirty diesel compartment 307, a seawater precipitation compartment 206, a bow low sea water compartment 202, a bow high sea water compartment 203, a left high pressure flush water pump sea water compartment 204, a right high pressure flush water pump sea water compartment 205, a pump room empty compartment 309, a pump room empty compartment 201, and a lateral thrust pipe duct 308.
A watertight bulkhead is arranged between the pump cabin and is positioned above the double-layer bottom 300 of the pump cabin and the double-layer bottom 200 of the pump cabin.
The bow of the double-layer bottom 300 of the pump room is provided with side push pipe chases 308, and the side push pipe chases 308 penetrate through the left side and the right side.
A pump cabin diesel oil overflow cabin 301 and a pump cabin oil residue cabin 302 positioned in front of the pump cabin diesel oil overflow cabin 301 are arranged on the left side of the stern part of the double-layer bottom 300 of the pump cabin.
A pump cabin bottom water tank 303 is arranged on the starboard of the stern part of the double-layer bottom 300 of the pump cabin.
The pump cabin double-layer bottom 300 is provided with a pump cabin dirty diesel oil cabin 307 and a pump cabin dirty lubricating oil cabin 306 which is positioned at the rear side of the pump cabin dirty diesel oil cabin 307 on the front side of the midship.
The left pump cabin lubricating oil circulation cabin 304 and the pump cabin empty cabin 309 which is located around the left pump cabin lubricating oil circulation cabin 304 are arranged on the left side of the midship of the pump cabin double-layer bottom 300. The left pump engine room lubricating oil circulation cabin 304 is located right below the dredge pump diesel engine, an isolation empty cabin is arranged between the left pump engine room lubricating oil circulation cabin 304 and the bottom plate, the height of the isolation empty cabin is not less than 500mm, and personnel construction is facilitated.
A right pump cabin lubricating oil circulation cabin 305 and a pump cabin empty cabin 309 located around the right pump cabin lubricating oil circulation cabin 305 are arranged on the right side of the midship of the pump cabin double-layer bottom 300. The right pump cabin lubricating oil circulation cabin 305 is located right below the dredge pump diesel engine, an isolation empty cabin is arranged between the right pump cabin lubricating oil circulation cabin 305 and a bottom plate of the ship, the height of the isolation empty cabin is not less than 500mm, and construction of personnel is facilitated.
A bow low-level sea water tank 202, a left high-pressure flushing pump sea water tank 204 positioned on the right side of the bow low-level sea water tank 202, and a pump room empty tank 201 positioned around the bow low-level sea water tank 202 and the left high-pressure flushing pump sea water tank 204 are arranged on the left side of the bow of the double-layer bottom 200 of the pump room.
A bow high-level sea water tank 203, a right high-pressure flushing pump sea water tank 205 positioned on the left side of the bow high-level sea water tank 203, and a pump room empty tank 201 positioned around the bow high-level sea water tank 203 and the right high-pressure flushing pump sea water tank 205 are arranged on the starboard of the bow of the double-layer bottom 200 of the pump room.
The sea water sedimentation tank 206 is arranged at the stern part of the double-layer bottom 300 of the pump cabin and the bow part of the double-layer bottom 200 of the pump cabin, and half of the sea water sedimentation tank 206 is positioned at the double-layer bottom 200 of the pump cabin and half is positioned at the double-layer bottom 300 of the pump cabin. The seawater sedimentation tank 206 is adjacent to the bow low sea chest 202 and the bow high sea chest 203 which are arranged at the double-layer bottom 200 of the pump chamber. The seawater sedimentation tank 206 is respectively communicated with a bow low sea water tank 202 and a bow high sea water tank 203 which are arranged at the double-layer bottom 200 of the pump chamber through valves, filters and seawater pipes. The seawater sedimentation tank 206 is communicated with the cabin seawater main pipe through a valve and a seawater pipe.

Claims (10)

1. A double-layer bottom arrangement structure of a drag suction dredger machine is characterized by comprising a cabin double-layer bottom (100) arranged at a stern, a pump cabin double-layer bottom (300) arranged at a bow and a pump cabin double-layer bottom (200);
the oil residue tank (106) and the low sea water tank (105) are arranged on the left front side of the oil residue tank (106) on the bow port side of the double-layer bottom (100) of the engine room, the diesel oil pollution tank (111) and the high sea water tank (112) are arranged on the right front side of the diesel oil pollution tank (111) on the bow port side of the double-layer bottom (100) of the engine room, the low sea water tank (105) and the high sea water tank (112) are communicated through a main seawater pipe, a bottom water tank (109) and a depth measuring instrument tank (108) are arranged on the left front side of the bottom water tank (109) on the bow midship of the double-layer bottom (100) of the engine room, a diesel oil pollution and lubrication cabin (107) is arranged between the bottom water tank (109) and the oil residue tank (106), and a diesel oil overflow cabin (110) is arranged between the bottom water tank (109) and the diesel oil pollution tank (111); a left main engine lubricating oil circulation cabin (102) is arranged on the left side of the stern of the double-layer cabin bottom (100), a right main engine lubricating oil circulation cabin (103) is arranged on the right side of the stern of the double-layer cabin bottom (100), cabin empty cabins (101) are arranged around the left main engine lubricating oil circulation cabin (102) and the right main engine lubricating oil circulation cabin (103), the left main engine lubricating oil circulation cabin (102) and the right main engine lubricating oil circulation cabin (103) are both located right below a main engine, and a cooling fresh water discharge cabin (104) is arranged on the stern of the double-layer cabin bottom (100) close to a midship;
the pump cabin double-layer bottom (300) bow is provided with side push pipe couplers (308), the side push pipe couplers (308) penetrate through a left board and a right board, the left board and the right board of the stern of the pump cabin double-layer bottom (300) are provided with a pump cabin diesel oil overflow cabin (301) and a pump cabin oil residue cabin (302) positioned in front of the pump cabin diesel oil overflow cabin (301), the starboard of the stern of the pump cabin double-layer bottom (300) is provided with a pump cabin bottom water cabin (303), the front side of the midship of the pump cabin double-layer bottom (300) is provided with a pump cabin dirty diesel oil cabin (307) and a pump cabin dirty lubricating oil cabin (306) positioned at the rear side of the pump cabin dirty diesel oil cabin (307), the left side of the midship of the pump cabin double-layer bottom (300) is provided with a left pump cabin lubricating oil circulation cabin (304), the right side of the midship of the pump cabin lubricating oil circulation cabin (305) is provided with a right pump cabin lubricating oil circulation cabin (305), pump cabins (309) are arranged around the pump cabin lubricating oil circulation cabin (304) and the right pump cabin lubricating oil cabin, the left pump cabin lubricating oil circulation cabin (304) and the right pump cabin lubricating oil circulation cabin (305) are both positioned right below the dredge pump diesel engine;
a bow low-level sea water tank (202) and a left high-pressure flushing pump sea water tank (204) are arranged on the left side of the bow of the pump chamber double-layer bottom (200), a bow high-level sea water tank (203) and a right high-pressure flushing pump sea water tank (205) are arranged on the right side of the bow of the pump chamber double-layer bottom (200), and pump chamber air chambers (201) are arranged around the bow low-level sea water tank (202), the left high-pressure flushing pump sea water tank (204) and the bow high-level sea water tank (203) and the right high-pressure flushing pump sea water tank (205);
the sea water sedimentation tank (206) is arranged at the stern part of the double-layer bottom (300) of the pump cabin and the bow part of the double-layer bottom (200) of the pump cabin, one end of the sea water sedimentation tank (206) is positioned in the double-layer bottom (200) of the pump cabin, and the other end of the sea water sedimentation tank is positioned in the double-layer bottom (300) of the pump cabin.
2. The double-bottom arrangement at a drag suction hopper dredger machine according to claim 1, characterized in that the low sea chest (105) and the high sea chest (112) are in communication via valves, filters and sea water mains arranged above the double bottom (100) of the cabin.
3. The double-bottom arrangement structure of the drag suction dredger machine according to claim 1, wherein isolation empty chambers are arranged between the left main engine lubricating oil circulation tank (102) and the bottom board and between the right main engine lubricating oil circulation tank (103) and the bottom board.
4. The double-bottom arrangement structure of a drag suction dredger machine according to claim 1, wherein isolation empty chambers are provided between the left pump room lubricating oil circulation tank (304) and the bottom board, and between the right pump room lubricating oil circulation tank (305) and the bottom board.
5. A double bottom arrangement at a trailing suction hopper dredger machine as claimed in claim 3 or 4, characterized in that the height of the isolation chamber is not less than 500 mm.
6. The double-bottom arrangement structure of a drag suction hopper dredger machine according to claim 1, wherein watertight bulkheads are arranged above the double-bottom (300) of the pump cabin and the double-bottom (200) of the pump cabin, and the watertight bulkheads are arranged between the pump cabin and the pump cabin.
7. The double-bottom arrangement at a drag suction dredger machine according to claim 1, characterized in that half of the seawater settling tank (206) is located in the pump room double-bottom (200) and the other half is located in the pump room double-bottom (300).
8. The double-bottom arrangement structure of a drag suction dredger machine according to claim 1 or 7, characterized in that the two ends of the seawater settling tank (206) located in the double-bottom (200) of the pump room are adjacent to the bow low sea water tank (202) and the bow high sea water tank (203).
9. The double-bottom arrangement structure of a drag suction dredger machine place according to claim 8, characterized in that the seawater precipitation tank (206) is respectively communicated with the bow low sea water tank (202) and the bow high sea water tank (203) through seawater pipes; the seawater sedimentation tank (206) is communicated with the cabin seawater main pipe through a seawater pipe.
10. The double-bottom arrangement structure of a drag suction dredger machine place according to claim 9, characterized in that the seawater settling tank (206) is respectively communicated with the bow low level seawater tank (202) and the bow high level seawater tank (203) through a valve, a strainer and a seawater pipe; the seawater sedimentation tank (206) is communicated with a cabin seawater main pipe through a valve and a seawater pipe.
CN202122942116.5U 2021-11-26 2021-11-26 Double-layer bottom arrangement structure at machine position of trailing suction hopper dredger Active CN216783759U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122942116.5U CN216783759U (en) 2021-11-26 2021-11-26 Double-layer bottom arrangement structure at machine position of trailing suction hopper dredger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122942116.5U CN216783759U (en) 2021-11-26 2021-11-26 Double-layer bottom arrangement structure at machine position of trailing suction hopper dredger

Publications (1)

Publication Number Publication Date
CN216783759U true CN216783759U (en) 2022-06-21

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ID=82004637

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Application Number Title Priority Date Filing Date
CN202122942116.5U Active CN216783759U (en) 2021-11-26 2021-11-26 Double-layer bottom arrangement structure at machine position of trailing suction hopper dredger

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