CN113942611A

CN113942611A - Marine multifunctional pumping system

Info

Publication number: CN113942611A
Application number: CN202111450606.1A
Authority: CN
Inventors: 谢春霞; 乔岗
Original assignee: Hudong Zhonghua Shipbuilding Group Co Ltd
Current assignee: Hudong Zhonghua Shipbuilding Group Co Ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-01-18

Abstract

The invention discloses a multifunctional pumping system for ships, which comprises a first ballast pump, a second ballast pump, a cabin bottom water main pipe, an isolation main pipe, a first ballast water pipeline, a second ballast water pipeline and an outboard discharge pipeline, wherein the first ballast pump is arranged on the first ballast water pipeline, the second ballast water pump is arranged on the second ballast water pipeline, the first ballast water pipeline and the second ballast water pipeline are connected with the outboard discharge pipeline, the cabin bottom water pipeline is connected with the isolation main pipe, and two ends of the isolation main pipe are respectively connected with the first ballast water pipeline and the second ballast water pipeline. The invention changes the bilge water main pipe to the inlet of the ballast water pump, changes the original bilge fire-fighting general pump into a single-speed small-displacement fire-fighting general pump, reduces the pipe diameters of the front and the back of the pump by nearly half, and cancels the original beam-discharging outer pipe and the beam-discharging outer port, thereby greatly optimizing the arrangement of a large pipeline at the bottom of the cabin and saving the material cost and the labor cost.

Description

Marine multifunctional pumping system

Technical Field

The invention belongs to the technical field of ship construction, and particularly relates to a multifunctional pumping system for a ship.

Background

The most important transportation mode in international trade during ocean transportation is that more and more ultra-large container ships are put into use. According to the standard calculation, aiming at the ultra-large container ships, the ship length is long, the total amount of bilge water required by the corresponding cargo cabin bilge water according to the standard calculation is correspondingly increased, and the discharge capacity of a bilge water total pump is larger and larger.

The existing design is that the bilge fire-fighting general pump with the general function integrated is a two-speed pump, has the speed change function, and has low discharge capacity and high pressure head when used as a fire pump and high discharge capacity and low pressure head when used as a bilge water general pump. Along with the design of the ultra-large machine container ship, the difference between the pump displacement and the pump displacement is more and more obvious, and the requirements of energy conservation and emission reduction are not met.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a multifunctional pumping system for a ship, which has the functions of treating ballast water and discharging bilge water simultaneously and optimizes the arrangement of a large pipeline at the bottom layer of a cabin.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a multifunctional pumping system for ships, which comprises a first ballast pump, a second ballast pump, a cabin bottom water main pipe, an isolation main pipe, a first ballast water pipeline, a second ballast water pipeline and an outboard discharge pipeline, wherein the first ballast pump is arranged on the first ballast water pipeline, the second ballast water pump is arranged on the second ballast water pipeline, the first ballast water pipeline and the second ballast water pipeline are connected with the outboard discharge pipeline, the cabin bottom water pipeline is connected with the isolation main pipe, the two ends of the isolation main pipe are respectively connected with the first ballast water pipeline and the second ballast water pipeline, one end of the isolation main pipe close to the first water pipeline is provided with a first inlet isolation valve, one end of the isolation main pipe close to the second ballast water pipeline is provided with a second inlet isolation valve, one end of the first ballast water pipeline close to the outboard discharge pipeline is provided with a first outlet isolation valve, and one end of the second ballast water pipeline, which is close to the outboard discharge pipeline, is provided with a second outlet isolation valve.

Preferably, the first ballast water pipeline and the second ballast water pipeline are connected through a communication pipe, and the communication pipe is provided with a communication valve.

As a preferable technical scheme, the cabin bottom water pipe of the engine room is connected with an emergency suction port cabin bottom water pipe and a cargo cabin bottom water main pipe.

Preferably, an outboard discharge port is provided at an end of the outboard discharge duct.

According to the preferable technical scheme, the diameters of the cabin bottom water main pipe, the emergency suction port cabin bottom water pipe, the cargo cabin bottom water main pipe and the isolation main pipe are the same.

Preferably, the first ballast water pipeline is connected with the left ballast tank, and the second ballast water pipeline is connected with the right ballast tank.

Preferably, the outboard discharge pipe is provided with an outboard discharge isolation valve.

Compared with the prior art, the invention has the following technical effects: according to the invention, the bilge water main pipe is connected to the inlet of the ballast water pump instead of the original bilge water pump with large displacement through the original ballast water discharge port and the original bilge water pump with large displacement is eliminated, so that the original bilge fire-fighting general pump is changed into a single-speed small-displacement fire-fighting general pump, the pipe diameters of the front part and the rear part of the pump are reduced by nearly half, the original discharge port outer pipe and the discharge port outer port are eliminated, the arrangement of a large pipeline at the bottom of a cabin is greatly optimized, and the material cost and the labor cost are saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the multifunctional pumping system for the ship of the present invention.

Wherein the reference numerals are specified as follows: the system comprises a first ballast water pump 1, a cabin bilge water main pipe 2, an emergency suction port bilge water pipe 3, a cargo cabin bilge water main pipe 4, an isolation main pipe 5, a second inlet isolation valve 6, a first inlet isolation valve 7, an outboard discharge outer pipe 8, an outboard discharge outer port 9, a second ballast water pump 10, a first outlet isolation valve 11, a communication valve 12, an outboard discharge isolation valve 13, a second outlet isolation valve 14, a communication pipe 15, a first ballast water pipeline 16 and a second ballast water pipeline 17.

Detailed Description

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

The embodiment provides a marine multi-functional pumping system, including first ballast pump, second ballast pump, cabin bilge water main 2, isolation main 5, first ballast water pipeline 16, second ballast water pipeline 17, row board outer tube 8 way, be provided with first ballast pump on the first ballast water pipeline 16, be provided with second ballast water pump 10 on the second ballast water pipeline 17, first ballast water pipeline 16, second ballast water pipeline 17 connect row board outer tube 8 way, the tip of row board outer tube 8 ways is provided with row board outer port 9. And a discharge outboard isolation valve 13 is arranged on the discharge outboard outer pipe 8. Cabin bilge water pipe connection isolation house steward 5, first ballast water pipeline 16, second ballast water pipeline 17 are connected respectively to isolation house steward 5's both ends, isolation house steward 5 is close to the one end of first ballast water pipeline 16 and is provided with first import isolating valve 7, the one end that is close to second ballast water pipeline 17 is provided with second import isolating valve 6, the one end that first ballast water pipeline 16 is close to row's board outer tube 8 is provided with first export isolating valve 11, the one end that second ballast water pipeline 17 is close to row's board outer tube 8 is provided with second export isolating valve 14. The first ballast water pipe 16 and the second ballast water pipe 17 are connected to each other by a communication pipe 15, and the communication pipe 15 is provided with a communication valve 12. First ballast water conduit 16 connects the left ballast tank and second ballast water conduit 17 connects the right ballast tank. The cabin bottom water pipe is connected with an emergency suction port cabin bottom water pipe 3 and a cargo cabin bottom water main pipe 4. The diameters of the cabin bottom water main pipe 2, the emergency suction port cabin bottom water pipe 3, the cargo cabin bottom water main pipe 4 and the isolation main pipe 5 are the same.

The application process of this embodiment is as follows:

stopping other functions (ballast water treatment and ballast water replacement) of the first ballast water pump 1 and the second ballast water pump 10;

step two, if the first ballast water pump 1 runs, the first inlet isolation valve 7, the first outlet isolation valve 11 and the outboard exhaust isolation valve 13 are opened, and other valves are closed;

and step three, the first ballast water pump 1 operates, the water at the bottom of the cabin, the emergency suction port bottom water pipe 3 and the water main pipe at the bottom of the cargo cabin suck the water at the bottom of the cabin and press the water into the first ballast water pump 1 through the isolation main pipe 5 and the first inlet isolation valve 7, the water is discharged to the outboard discharge pipe 8 through the outlet isolation valve, and the water at the bottom of the cabin is discharged through the outboard discharge port 9.

If the second ballast water pump 10 is selected to operate, the second inlet isolation valve 6, the second outlet isolation valve 14, and the discharge outboard isolation valve 13 are opened, and the other valves are closed.

Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.

Claims

1. A marine multifunctional pumping system, characterized in that it comprises a first ballast pump, a second ballast pump, a bilge water main pipe in the engine room, an isolation main pipe, a first ballast water pipeline, and a second ballast water pipeline , Outboard piping, the first ballast water pipe is provided with the first ballast pump, the second ballast water pipe is provided with the second ballast water pump, and the first ballast water pipe is provided with the second ballast water pump. The water pipeline and the second ballast water pipeline are connected to the outboard pipeline, the engine room bilge water pipeline is connected to the isolation main pipe, and the two ends of the isolation main pipe are respectively connected to the first ballast water pipeline, In the second ballast water pipeline, a first inlet isolation valve is arranged at one end of the isolation main pipe close to the first ballast water pipeline, and a second inlet isolation valve is arranged at one end of the second ballast water pipeline. , the end of the first ballast water pipeline close to the outboard pipeline is provided with a first outlet isolation valve, and the end of the second ballast water pipeline close to the outboard pipeline is provided with a second outlet isolation valve .

2. The marine multifunctional pumping system according to claim 1, wherein the first ballast water pipeline and the second ballast water pipeline are connected by a communication pipe, and the communication pipe There is a communication valve on it.

3 . The marine multifunctional pumping system according to claim 1 , wherein the engine room bilge water pipe is connected to the emergency suction bilge water pipe and the cargo hold bilge water main pipe. 4 .

4 . The marine multifunctional pumping system according to claim 1 , wherein the end of the outboard pipe is provided with an outboard port. 5 .

5. A marine multifunctional pumping system according to claim 1, characterized in that, the engine room bilge water main pipe, the emergency suction bilge water pipe, the cargo hold bilge water main pipe, the isolation main pipe of the same diameter.

6 . The marine multifunctional pumping system according to claim 1 , wherein the first ballast water pipeline is connected to the left ballast tank, and the second ballast water pipeline is connected to the right ballast tank. 7 .

7 . The marine multifunctional pumping system according to claim 1 , wherein an outboard isolation valve is provided on the outboard pipeline. 8 .