System of water treatment

A technology of processing unit and control unit, which is applied in water treatment devices, natural water treatment, water/sewage treatment, etc., to achieve the effect of reducing risks

Inactive Publication Date: 2010-03-10
ALFAWALL AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, seawater to be treated may contain large organisms and other matter that are undesirable to enter the ballast water treatment system

Method used

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Embodiment Construction

[0057] The present invention uses chemical-free technology with water. figure 1 A system for treating ballast water comprising a liquid treatment unit or reactor 10 is schematically shown. The rest of the overall system comprises the inlet duct 18 , the filter 24 , the outlet duct 40 and the cleaning unit 50 .

[0058] combine figure 2 , the ballast water treatment system and its functions according to the present invention will be described in more detail. The water intake of the main pipe 18 of the system for ballasting and deballasting tanks is indicated by arrow 201 . A ballast water pump (not shown) controlled by the ship's control system is arranged at the inlet for pumping water through the system. Close to the inlet is arranged a line branch 20 with an isolating valve 23 , the main line following this branch in the flow direction is arranged with a main isolating valve 22 . Another branch leads to a filter device 24, which then returns to the main conduit via an i...

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Abstract

The present invention relates to a system for treating ballast water, comprising water inlets and outlets, piping connected to said inlets and outlets, at least one treatment unit connected to said piping, capable of, during operation, treating ballast water flowing through said unit, filter means for said ballast water and valve means for controlling the flow through said piping, treatment unit and filter means. The system is characterised in a control unit arranged and capable of managing and controlling all the different process sequences during start-up, ballasting, deballasting and cleaning as well as all failure functions and situations, whereby contaminated water is prevented from leaving the system. The present invention also relates to a process for treating ballast water, a method for controlling the process and software for performing the method.

Description

technical field [0001] The present invention relates to methods and systems for treating water, especially ballast water in ships. Background technique [0002] There are increasing demands on the environmental impact of contaminated liquids, especially water. Access to clean and unpolluted water is a major issue in the world. This concerns both freshwater and mature water. At the same time, freshwater supplies are limited in many regions of the world because many of these freshwater sources are polluted by humans. [0003] For salt water, various harmful substances and pollutants such as chemicals, crude oil, gasoline, heavy metals, and soot from factory chimneys have been dumped into the ocean for many years, and these pollutants have affected the fragile ecology of the ocean balance. [0004] The ecological balance in the ocean is also influenced by humans through ballast water disposal. Ships are equipped with ballast tanks that are filled to keep the ship stable wh...

Claims

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Application Information

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IPC IPC(8): C02F1/32B63J4/00
CPCC02F1/008C02F1/325C02F1/725C02F1/78C02F2103/008
Inventor E·埃里克森N·达尔P·博林J·马克斯泰特P·斯文森C·图尔斯泰特
Owner ALFAWALL AB
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