Oil tanker ballast water management system installing and design method

A management system and design method technology, applied in water treatment equipment, water/sewage treatment, chemical instruments and methods, etc., can solve the problems of increasing system manufacturing costs and potential safety hazards, increasing ballast pump load, troublesome construction process, etc. To achieve the effect of solving the need for explosion protection, reducing pressure loss and simplifying the construction process

Active Publication Date: 2012-06-27
SUNRUI MARINE ENVIRONMENT ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method for installation and design of an oil tanker ballast water management system to solve the problems in the prior art that the construction process is very cumbersome and complicated, takes up a lot of space, and causes a large pressure loss in the ballast system, increasing the pressure. The load of the load pump; and the problem of increasing the system manufacturing cost and safety hazard

Method used

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  • Oil tanker ballast water management system installing and design method
  • Oil tanker ballast water management system installing and design method
  • Oil tanker ballast water management system installing and design method

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Embodiment 1

[0014] see figure 1 , for a 76,000-ton oil tanker, the method of the present invention is adopted to install the electrolysis unit 1 of the ballast water management system in the engine room 2, and the electrolysis unit 1 takes water from the main seawater pipeline 3 of the engine room, and the sodium hypochlorite solution produced after electrolysis is used for dosing The pipeline 4 passes upwards through the main deck 5, runs horizontally above the main deck to the top of the pump room 6, and then passes down through the main deck 5 and injects into the ballast water main pipeline 7 of the pump room 6 to realize active substance dosing.

[0015] The neutralization unit 8 of the ballast water management system is also installed in the engine room 2, and the dosing pipeline 10 of the neutralization unit 8 is the same as the dosing pipeline of the electrolysis unit 1, passes through the main deck 5 upwards, and is horizontal on the main deck 5 Take the pipe to the top of the p...

Embodiment 2

[0019] see figure 2 , for a 300,000-ton oil tanker, the method of the present invention is adopted to install the electrolysis unit 1 of the ballast water management system in the engine room 2, and the electrolysis unit 1 takes water from the main seawater pipeline 3 of the engine room, and the sodium hypochlorite solution produced after electrolysis is added. The drug pipeline 4 passes through the main deck 5 upwards, and runs horizontally on the main deck to the top of the pump room 6, and then passes down through the main deck 5 and injects into the ballast water main pipeline 7 of the pump room 6 to realize activity. Dosing of substances.

[0020] The neutralization unit 8 of the ballast water management system is installed on the superstructure 9, and the dosing pipeline 10 of the neutralization unit 8 is routed horizontally above the main deck 5 to the top of the pump room 6, and then injected downward through the main deck 5 The ballast water drainage main pipeline 1...

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Abstract

The invention relates to an oil tanker ballast water management system installing and design method. An electrolysis unit of a ballast water management system is arranged in an engine cabin, water is taken from a seawater main pipeline of the engine cabin for electrolysis, generated sodium hypochlorite solution upwards passes through a main deck from a medication feeding pipeline to reach a position above a pump cabin and then downwards passes through the main deck to be filled into a ballast water loading main pipeline of the pump cabin, and the medication feeding of active substances is realized. A neutralization unit is arranged on the engine cabin or a superstructure, a medication feeding pipeline of the neutralization unit is also horizontally paved above the main deck to reach a position above the pump cabin and downwards passes through the main deck to be connected to a ballast water discharge main pipeline of the pump cabin, and the addition of neutralization reagents is realized. In order to prevent ballast water, the active substances and the neutralization reagents in a dangerous region from flowing to a safe region, a check valve is arranged on each medication feeding pipeline, and the one-way flowing of the solution in the pipelines from the back side to the front side is ensured. The oil tanker ballast water management system installing and design method has the advantages that the ship anti-explosion requirement is met, the manufacture cost and the safety risk of the whole system are reduced, the operation of the oil tanker ballast water management system is good, and the treated water reaches the discharge requirements.

Description

technical field [0001] The invention relates to a method for installing and designing an oil tanker ballast water management system, which belongs to the ship ballast water treatment technology in the field of ships. Background technique [0002] As a type of ocean-going ship with the largest amount of ballast water, oil tankers must be treated before they can be discharged, and a ballast water management system needs to be installed. Due to the explosion-proof requirements of oil tankers, the space on board is divided into dangerous areas and safe areas, in which the engine room and superstructure are safe areas, and the pump room and cargo warehouse are dangerous areas. All electrical equipment or rotating mechanical equipment installed in hazardous areas need to be explosion-proof, and liquids (including ballast water, chemicals, etc.) in hazardous areas are not allowed to flow to safe areas. [0003] There are a lot of electrical equipment in the ballast water managemen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63J4/00C02F1/461C02F1/66
Inventor 郭宇付洪田刘光洲
Owner SUNRUI MARINE ENVIRONMENT ENG
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