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Ballast water treatment device

A treatment device and ballast water technology, which can be applied in water treatment devices, natural water treatment, water/sewage treatment, etc., and can solve problems such as liquid medicine supply

Pending Publication Date: 2021-07-23
KURARAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this device, there is a possibility that the chemical solution may be injected without being sufficiently mixed in the chemical dissolution tank, and there is a problem that it is difficult to supply the chemical solution with a stable chemical concentration to the ballast water.
Moreover, the same problem also exists in the device described in Patent Document 2

Method used

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Examples

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Embodiment approach 1）

[0019]

[0020] First, refer to figure 1 and figure 2 The configuration of the ballast water treatment device 1 according to Embodiment 1 of the present invention will be described. The ballast water treatment device 1 is used to sterilize ballast water W1 when filling (ballasting) a ballast tank installed in a ship such as a cargo ship or a container ship, and to discharge the ballast water W1 from the ballast tank. A device for neutralizing the ballast water W1 at the time of (deballasting) is installed and used in, for example, an engine room of a ship.

[0021] Such as figure 1 As shown, the ship is provided with: ballast piping 2 leading the ballast water W1 to the ballast tank (not shown); bypass piping 3 with both ends connected to the ballast piping 2; The bypass pump 3A; the bypass pipe 4 for measurement connected to the ballast pipe 2 at both ends of the bypass pipe 3 on the downstream side; the bypass pump 4A for measurement installed on the bypass pipe 4 for ...

Embodiment approach 2）

[0077] Next, refer to Figure 4 1A of ballast water treatment apparatuses concerning Embodiment 2 of this invention are demonstrated. The ballast water treatment device 1A according to the second embodiment basically has the same structure as the ballast water treatment device 1 according to the first embodiment, and achieves the same effects, but the chemical solution (sterilizing solution S11, The ballast water treatment device 1 according to Embodiment 1 is different in that the liquid N11) is not supplied to the bypass pipe 3 but directly supplied to the ballast pipe 2 . Hereinafter, only points different from the ballast water treatment device 1 according to Embodiment 1 will be described.

[0078] Such as Figure 4 As shown, in Embodiment 2, the bypass piping 3 is not provided for the ballast piping 2 ( figure 1 ). Furthermore, the supply pipe 43 of the sterilizing liquid supply part 41 and the supply pipe 43 of the neutralization liquid supply part 42 are connected ...

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Abstract

A ballast water treatment device comprises: a liquid chemical preparation tank including a chemical retention container that retains a chemical for ballast water treatment, a tank body that accommodates the chemical supplied from the chemical retention container and water for dissolving the chemical, and a mixing unit that mixes the chemical and the water in the tank body; a liquid chemical storage tank that stores a liquid chemical obtained by dissolving the chemical in the water in the liquid chemical preparation tank; and a liquid chemical supply unit that supplies, to ballast water, the liquid chemical stored in the liquid chemical storage tank.

Description

technical field [0001] The invention relates to a ballast water treatment device. Background technique [0002] There is known a technique of storing seawater as ballast water in a ship such as a cargo ship or a container ship in order to stabilize a ship without cargo on board. When loading cargo on a ship, it is necessary to discharge ballast water into the sea, but at this time, there is a problem that the marine ecosystem is destroyed by microorganisms and the like present in the ballast water. [0003] With regard to this problem, as described in Patent Documents 1 and 2, a countermeasure of sterilizing ballast water is taken. Patent Document 1 describes a chemical storage and dissolving device for sterilizing ballast water, which includes: a chemical dissolving tank; a chemical quantitative feeder for storing and distributing bactericides and the like put into the chemical dissolving tank; and A stirrer for mixing and dissolving the medicine injected into the medicin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F1/00B63B13/00C02F1/50
CPCB63J4/002C02F2103/008C02F2209/005C02F2209/42C02F1/76C02F2303/185C02F2209/29C02F2209/40C02F2301/028C02F1/686B01F23/49B01F25/3141B01F25/32B01F25/421B63B13/00C02F1/50B01F21/502B01F21/10B01F33/805B01F35/2209B01F21/30B01F2101/305B01F35/2112B01F2101/48B01F35/2132C02F1/687C02F2209/44C02F2303/04
Inventor 山本耕司山本光章松田武
Owner KURARAY CO LTD
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