CN218617062U - Water ballast tank and drainage pipeline thereof - Google Patents

Abstract

The utility model provides a drainage pipe and ballast water tank of ballast water tank, the drainage pipe of ballast water tank includes: a ballast water pipe in communication with the ballast water tank; the sweeping water pipe is communicated with the ballast water tank and is spaced from the ballast water pipe, and the pipe diameter of the ballast water pipe is larger than that of the sweeping water pipe; the ballast scavenging trunk pipe is communicated with the ballast water pipe and the scavenging water pipe; the ballast pump is communicated with the ballast scavenging trunk pipe so as to discharge the water of the ballast water tank through the ballast scavenging trunk pipe, the ballast water pipe and the scavenging water pipe. The utility model discloses a drainage pipe in ballast water tank can reduce the quantity of arranging water drainage pipe, alleviates the weight of boats and ships, and improves drainage efficiency.

Description

Water ballast tank and drainage pipeline thereof

Technical Field

The utility model relates to a boats and ships field, in particular to drainage pipe and ballast water tank of ballast water tank.

Background

The ballast water tank is used for adjusting ship stability by injecting seawater during ship operation and operation, and is an essential liquid tank in a ship. The seawater in the injection liquid cabin needs to be discharged. There are two modes in the discharge process: initial high volume discharge, this mode is by large ballast pump discharge; and the later-stage water is cleaned, and the mode is realized by a cabin sweeping pump. Because the discharge capacity of ballast pump is big, the pipe diameter is corresponding also bigger, consequently also higher apart from the height of bilge deck, simultaneously because there are many structural framework on the bilge deck, still can leave over a lot of water and can't clear away after the ballast pump drainage, only clear up through the pump of sweeping the cabin of little discharge capacity this moment.

The conventional design of the sweeping tank pipeline is that a sweeping tank main pipe, which is usually a ring main pipe, is designed and is independently connected to the sweeping tank main pipe through a sweeping tank pump, and then the sweeping tank main pipe is respectively connected to each ballast water tank to carry out sweeping operation.

The conventional cabin sweeping design has the problems of increasing the length, arrangement and weight of pipelines and being very unfavorable for special engineering ships with strict requirements on the weight and space of the ships. Taking a 200-meter long ship as an example, considering that the ballast water tanks are arranged from the bow to the stern, the length of the sweep ring main pipe needs to be designed to be about 400 meters long, and the weight of the sweep ring main pipe is about ten and several tons, which has a very adverse effect on the economy of the ship from construction to operation.

SUMMERY OF THE UTILITY MODEL

An above-mentioned problem to prior art, the utility model aims to provide a drainage pipe and ballast water tank of ballast water tank can reduce the quantity of arranging drainage pipe, alleviates the weight of boats and ships, and improves drainage efficiency.

In order to solve the above problem, an aspect of the present invention provides a drainage pipeline of a ballast water tank, the drainage pipeline of the ballast water tank includes:

the ballast water pipe is communicated with the cabin body of the ballast water cabin;

the sweeping water pipe is communicated with the cabin body and is spaced from the ballast water pipe, and the pipe diameter of the ballast water pipe is larger than that of the sweeping water pipe;

the ballast scavenging main pipe is communicated with the ballast water pipe and the scavenging water pipe;

the ballast pump is communicated with the ballast scavenging trunk pipe so as to discharge the water of the cabin body through the ballast scavenging trunk pipe, the ballast water pipe and the scavenging water pipe.

Further, the water discharge pipeline of the ballast water tank further comprises:

and the tank sweeping pump is communicated with the ballast sweeping main pipe and is spaced from the ballast pump, and the flow rate of the tank sweeping pump is lower than that of the ballast pump.

Furthermore, the flow rate of the scavenging pump is 50-150 cubic meters per hour, and the flow rate of the ballast pump is 850-950 cubic meters per hour.

Furthermore, the ballast water pipe and the sweep the cabin water pipe all include a plurality ofly, with one ballast water pipe and its adjacent one sweep the cabin water pipe and be a set of drainage pipe, the multiunit drainage pipe is spaced apart the setting.

Further, the drainage pipeline of the ballast water tank further comprises:

the ballast branch pipe valves are connected with the ballast water pipes in a one-to-one correspondence manner;

and the plurality of cabin sweeping branch pipe valves are connected with the plurality of cabin sweeping water pipes in a one-to-one correspondence manner.

Further, the plurality of ballast branch pipe valves and the plurality of scavenge branch pipe valves are solenoid valves.

The utility model discloses another aspect provides a ballast water tank, ballast water tank includes:

a cabin body; and

a drainpipe provided in the cabin, the drainpipe being the drainpipe of any one of claims 1 to 6.

Further, drainage pipe includes the scavenge trunk pump, ballast branch pipe valve and scavenge trunk pipe valve, the ballast water tank still includes:

the controller is connected with the ballast pump, the tank sweeping pump, the ballast branch pipe valves and the tank sweeping branch pipe valves and is used for controlling the ballast branch pipe valves, the ballast pump, the tank sweeping pump and the tank sweeping branch pipe valves to work.

Further, the ballast water tank further includes:

a water level tester arranged in the cabin body and used for detecting the water level in the cabin body,

the controller is also connected with the water level tester, and is used for opening the plurality of ballast branch pipe valves and the ballast pump and closing the plurality of tank-sweeping branch pipe valves and the tank-sweeping pump under the condition that the water level detected by the water level tester is higher than a preset water level, and is used for opening the plurality of tank-sweeping branch pipe valves and the tank-sweeping pump and closing the plurality of ballast branch pipe valves and the ballast pump under the condition that the water level detected by the water level tester is lower than the preset water level.

Further, the controller is a programmable logic controller.

Because of the technical scheme, the utility model discloses following beneficial effect has:

according to the utility model discloses drainage pipe in ballast water tank, at the drainage initial stage, the ballast pump sweeps the trunk pipe through the ballast water pipe and the ballast of big pipe diameter and carries out large capacity discharge water, the efficiency of the water discharge is improved, in the drainage later stage, the ballast pump sweeps the discharge that the trunk pipe carries out the leaveing water at the bilge with the ballast through the sweeping the cabin water pipe and the ballast of little pipe diameter, thereby can be thorough with the water discharge of the cabin body in ballast water tank, sweep a trunk pipe and a sweeping the trunk pipe that the trunk pipe replaces current drainage pipe through a ballast, can reduce the pipeline and arrange, save space, lighten the weight of boats and ships, the ballast sweeps the pipe diameter of trunk pipe greatly simultaneously, the flow resistance of pipeline has effectively been reduced, can improve drainage efficiency, construction and operation to boats and ships all have positive benefit.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment 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 invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a structural view of a ballast water tank according to an embodiment of the present invention.

100. A cabin body; 200. a ballast scavenge trunk; 310. a tank-sweeping pump; 320. a ballast pump; 410. a cabin-sweeping branch pipe valve; 420. a ballast branch valve; 510. a cabin sweeping water pipe; 520. a ballast water pipe.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

Next, a drainage pipeline of a ballast tank according to an embodiment of the present invention will be described.

As shown in fig. 1, the water discharge pipeline of the ballast water tank according to the embodiment of the present invention includes: ballast water pipes 520, scavenge water pipes 510, ballast scavenge trunk 200, and ballast pumps 320.

First, the ballast water pipe 520 and the scavenge water pipe 510 are explained. The ballast water pipes 520 are in communication with the tank body 100 of the ballast water tank. The water pipes 510 for sweeping the tank are communicated with the tank body 100 and spaced apart from the ballast water pipes 520, and the diameter of the ballast water pipes 520 is greater than that of the water pipes 510 for sweeping the tank.

The ballast water pipe 520 has a large pipe diameter, so that large-capacity water discharge can be realized, and the water discharge efficiency is improved. The diameter of the cabin sweeping water pipe 510 is small, and the left water at the bottom of the cabin can be discharged.

Next, the ballast scavenge trunk pipe 200 will be described. The ballast-scavenging main conduit 200 communicates with the ballast water tubes 520 and the scavenging water tubes 510.

The ballast scavenging main pipe 200 replaces a ballast main pipe and a scavenging main pipe of the existing drainage pipeline, so that pipeline arrangement can be reduced, space is saved, the weight of the ship is reduced, the pipe diameter of the ballast scavenging main pipe 200 is large, the flow resistance of the pipeline is effectively reduced, the drainage efficiency can be improved, and positive benefits are achieved for the building and operation of the ship.

Finally, the ballast pump 320 is explained. The ballast pump 320 communicates with the ballast-sweeping main pipe 200 to discharge the water of the ballast tank through the ballast-sweeping main pipe 200, the ballast water pipe 520, and the sweeping water pipe 510.

In the above ballast tank drainage pipeline, in the initial stage of drainage, the ballast pump 320 discharges a large amount of water through the large-diameter ballast water pipe 520 and the ballast scavenger main pipe 200, so that the drainage efficiency is improved, and in the later stage of drainage, the ballast pump 320 discharges the residual water at the bottom of the tank through the small-diameter scavenger water pipe 510 and the ballast scavenger main pipe 200, so that the water in the tank body 100 of the ballast tank can be completely discharged. The ballast scavenging main pipe 200 replaces a ballast main pipe and a scavenging main pipe of the existing drainage pipeline, so that pipeline arrangement can be reduced, space is saved, the weight of the ship is reduced, the pipe diameter of the ballast scavenging main pipe 200 is large, the flow resistance of the pipeline is effectively reduced, the drainage efficiency can be improved, and positive benefits are achieved for the building and operation of the ship.

According to some embodiments of the invention, the drainage pipeline further comprises a sump pump 310. The scavenger-hold pumps 310 communicate with the ballast scavenge trunk 200 and are spaced apart from the ballast pumps 320, and the flow rate of the scavenge pumps 310 is lower than that of the ballast pumps 320.

In the initial stage of the drainage, the ballast pump 320 with a large flow rate can be turned on to discharge a large volume, and in the later stage of the drainage, the ballast pump 320 is turned off and the scavenge pump 310 with a small flow rate is turned on to discharge a small volume. Thereby, energy can be saved.

Optionally, the flow rate of the scavenge pump 310 is 50-150 cubic meters per hour and the flow rate of the ballast pump 320 is 850-950 cubic meters per hour. For example, the flow rate of the scavenge pump 310 is 100 cubic meters per hour and the flow rate of the ballast pump 320 is 900 cubic meters per hour.

The sweep pump 310 and the ballast pump 320 at this flow rate cooperate with each other, so that high drainage efficiency can be achieved, and the residual water can be completely discharged.

According to some embodiments of the present invention, the ballast water pipe 520 and the scavenging water pipe 510 are both multiple, and one ballast water pipe 520 and one scavenging water pipe 510 adjacent thereto are a set of drainage pipes, and the plurality of sets of drainage pipes are spaced apart.

The ballast scavenger tank main pipe 200 is communicated with a plurality of groups of drainage pipes arranged at intervals, so that a plurality of positions of the tank body 100 of the ballast water tank can be drained simultaneously, and the drainage efficiency is further improved. One set of the drainage pipelines includes one ballast water pipe 520 and one scavenge water pipe 510 which are adjacently disposed, so that each set of the drainage pipelines can have high drainage efficiency and can completely drain the carry-over water.

Further, the ballast tank drainage pipeline further includes a plurality of ballast branch pipe valves 420 and a plurality of scavenge branch pipe valves 410. The plurality of ballast branch valves 420 are connected to the plurality of ballast water pipes 520 in a one-to-one correspondence. The plurality of stripping branch pipe valves 410 are connected with the plurality of stripping water pipes 510 in a one-to-one correspondence manner.

At the initial stage of drainage, can only open ballast branch pipe valve 420, improve the negative pressure of ballast water pipe 520, reduce ballast water pipe 520 flow resistance, discharge the water of the cabin body 100 of ballast water tank through ballast water pipe 520, at the later stage of drainage, can only open sweep cabin branch pipe valve 410, improve the negative pressure of sweep cabin water pipe 510, reduce sweep cabin water pipe 510 flow resistance, discharge the water of the cabin body 100 of ballast water tank through sweep cabin water pipe 510.

Optionally, the plurality of ballast branch valves 420 and the plurality of scavenge branch valves 410 are solenoid valves. The solenoid valve is convenient for realize automated control to avoid operating personnel to twist the valve manually, improve the convenience of operating personnel's operation.

Next, a ballast water tank according to an embodiment of the present invention will be described.

As shown in fig. 1, the ballast water tank of the embodiment of the present invention includes a tank body 100, and a drainage pipeline disposed in the tank body 100. Drainage pipeline the drainage pipeline described above.

According to some embodiments of the present invention, the drainage pipeline comprises a scavenge pump 310, a ballast branch valve 420 and a scavenge branch valve 410, the ballast tank further comprising a controller. The controller is connected with the ballast pump 320, the scavenge pump 310, the plurality of ballast branch valves 420 and the plurality of scavenge branch valves 410 for controlling the operation of the ballast branch valves 420, the ballast pump 320, the scavenge pump 310 and the scavenge branch valves 410.

In the initial stage of drainage, the controller can only control the ballast pump 320 to drain the ballast water tank through the ballast water pipe 520, the valve of the scavenge trunk pipe 510 and the scavenge trunk pump 310 are closed, in the later stage of drainage, the controller only controls the scavenge trunk pump 310 to drain the ballast water tank through the scavenge trunk pipe 510, and the scavenge trunk pipe 510 and the scavenge trunk pump 310 are closed. Through the control of the controller, automatic operation can be realized, and the efficiency is improved.

Optionally, the controller is a Programmable Logic Controller (PLC). The programmable logic controller has high reliability and strong anti-interference capability, and improves the stability of controller control.

Further, the ballast water tank also comprises a water level tester. The water level tester is disposed in the cabin 100 and is configured to detect a water level in the cabin 100. The controller is also connected with a water level tester, and when the water level detected by the water level tester is higher than a preset water level, the plurality of ballast branch pipe valves 420 and the ballast pumps 320 are opened, and the plurality of tank-sweeping branch pipe valves 410 and the tank-sweeping pumps 310 are closed, and when the water level detected by the water level tester is lower than the preset water level, the plurality of tank-sweeping branch pipe valves 410 and the tank-sweeping pumps 310 are opened, and the plurality of ballast branch pipe valves 420 and the ballast pumps 320 are closed. Wherein the predetermined water level may be a water level at which the ballast water pipe 520 is difficult or impossible to drain the ballast water tank.

The controller detects the water level of the ballast tank 100 of the ballast tank according to the water level tester, automatically switches the drainage pipeline and the drainage pump, reduces the switching time of the drainage pipeline and the drainage pump, and improves the efficiency.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A water ballast tank drainage pipeline, comprising:

the ballast water pipe is communicated with the cabin body of the ballast water cabin;

the tank sweeping water pipe is communicated with the cabin body and is spaced from the ballast water pipe, and the pipe diameter of the ballast water pipe is larger than that of the tank sweeping water pipe;

the ballast scavenging trunk pipe is communicated with the ballast water pipe and the scavenging water pipe;

the ballast pump is communicated with the ballast scavenging trunk pipe so as to discharge the water of the cabin body through the ballast scavenging trunk pipe, the ballast water pipe and the scavenging water pipe.

2. The water ballast tank drainage pipeline of claim 1, further comprising:

the tank sweeping pump is communicated with the ballast tank sweeping main pipe and is spaced from the ballast pump, and the flow rate of the tank sweeping pump is lower than that of the ballast pump.

3. The water ballast tank drainage pipeline according to claim 2, wherein the flow rate of the scavenging pump is 50 to 150 cubic meters per hour and the flow rate of the ballast pump is 850 to 950 cubic meters per hour.

4. The water ballast tank drainage pipeline according to claim 2, wherein the ballast water pipe and the scavenger water pipe each comprise a plurality of groups of drainage pipelines, one ballast water pipe and an adjacent scavenger water pipe are in a group, and the plurality of groups of drainage pipelines are spaced apart.

5. The water ballast tank drainage pipeline of claim 4, further comprising:

the ballast branch pipe valves are connected with the ballast water pipes in a one-to-one correspondence manner;

and the plurality of cabin sweeping branch pipe valves are connected with the plurality of cabin sweeping water pipes in a one-to-one correspondence manner.

6. The water ballast tank drainage pipeline according to claim 5, wherein the plurality of ballast branch valves and the plurality of scavenger branch valves are solenoid valves.

7. A ballast water tank, comprising:

a cabin body; and

a drainpipe provided in the cabin, the drainpipe being the drainpipe of any one of claims 1 to 6.

8. The ballast water tank according to claim 7,

the drainage pipeline comprises a tank-sweeping pump, a ballast branch pipe valve and a tank-sweeping branch pipe valve,

the ballast water tank further comprises:

the controller is connected with the ballast pump, the tank sweeping pump, the ballast branch pipe valves and the tank sweeping branch pipe valves and is used for controlling the ballast branch pipe valves, the ballast pump, the tank sweeping pump and the tank sweeping branch pipe valves to work.

9. The ballast water tank of claim 8, further comprising:

a water level tester arranged in the cabin body and used for detecting the water level in the cabin body,

the controller is also connected with the water level tester, and is used for opening the plurality of ballast branch pipe valves and the ballast pump and closing the plurality of tank-sweeping branch pipe valves and the tank-sweeping pump under the condition that the water level detected by the water level tester is higher than a preset water level, and is used for opening the plurality of tank-sweeping branch pipe valves and the tank-sweeping pump and closing the plurality of ballast branch pipe valves and the ballast pump under the condition that the water level detected by the water level tester is lower than the preset water level.

10. The ballast water tank of claim 8, wherein said controller is a programmable logic controller.

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