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Novel method for cleaning fresh water tank of ship

The technology of a fresh water tank and a new method is applied in the field of ship fresh water tank cleaning, which can solve the problem of inability to ensure the cleaning of ship cabin pollutants, and achieve the effects of improving cleaning efficiency and cleaning quality, avoiding pollution and ensuring water safety.

Inactive Publication Date: 2020-04-14
HUDONG ZHONGHUA SHIPBUILDINGGROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The fresh water tank is the cabin used to store drinking water and domestic water on the ship. It is divided into drinking water tank, clean water tank, boiler water tank and so on. The requirement of the clean water tank is to ensure the cleanness of the water storage. The inner wall is coated with paint or anti-rust coating. After the construction is completed, in order to remove the paint smell in the clean water tank, the shipyard will inject clean water into the fresh water tank for soaking. Generally, the soaking time is 72 hours, but simple soaking in clean water is used. method, there is no guarantee that the pollutants in the cabin will be cleaned up

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Step 1. Use paint or paint to paint the inner surface of the clean water tank to form a coating, and cure the coating at room temperature.

[0031] Step 2. Inject clean water into the clean water tank through the booster pump, so that the coating in step 1 is completely immersed in clean water, immerse the heating end of the heater in clean water, immerse the temperature sensor in clean water, and the heater heats the clean water , the temperature sensor is connected to the thermostat, the thermostat is connected to the heater, the temperature sensor and the temperature controller detect and control the temperature of the clear water, and the coating is soaked and post-cured by the heated clear water. During the heating process, The constant stirring of the clear water ensures the uniform temperature of each part of the fluid. The heating method is constant temperature heating, the heating temperature is 60 degrees Celsius, and the heating time is 24 hours.

[0032] St...

Embodiment 2

[0035] Example 1

[0036] Step 1. Use paint or paint to paint the inner surface of the clean water tank to form a coating, and cure the coating at room temperature.

[0037] Step 2. Inject clean water into the clean water tank through the booster pump, so that the coating in step 1 is completely immersed in clean water, immerse the heating end of the heater in clean water, immerse the temperature sensor in clean water, and the heater heats the clean water , the temperature sensor is connected to the thermostat, the thermostat is connected to the heater, the temperature sensor and the temperature controller detect and control the temperature of the clear water, and the coating is soaked and post-cured by the heated clear water. During the heating process, The constant stirring of the clear water ensures the uniform temperature of each part of the fluid. The heating method is multi-stage variable temperature heating. The heating temperature in the first stage is 45 degrees Cels...

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Abstract

The invention discloses a novel method for cleaning a fresh water tank of a ship. The novel method comprises the following steps: step 1, coating an inner surface of a fresh water tank with an oil paint or a painting to form a coating, and curing the coating at a normal temperature; step 2, injecting fresh water into the fresh water tank by a booster pump to make the coating obtained in step 1 befully immersed into the fresh water, and immersing a heating end of a heater into the fresh water to heat up the fresh water; step 3, discharging the fresh water obtained in step 2, spraying a cleaning agent onto the surface of the coating inside the fresh water tank, and at the same time, flushing with water vapor; and step 4, re-flushing the surface of the coating inside the fresh water tank using water vapor till the cleaning agent is completely cleaned. The novel method can completely clean the fresh water tank, protects water in the fresh water tank against contamination by the coating inside the fresh water tank during use, and thus, guarantees water safety of seamen. The novel method is simple and feasible, and the efficiency and the quality in cleaning the fresh water tank are greatly improved.

Description

technical field [0001] The invention belongs to the technical field of ship building, and in particular relates to a new method for cleaning fresh water tanks of ships. Background technique [0002] The fresh water tank is the cabin used to store drinking water and domestic water on the ship. It is divided into drinking water tank, clean water tank, boiler water tank and so on. The requirement of the clean water tank is to ensure the cleanness of the water storage. The inner wall is coated with paint or anti-rust coating. After the construction is completed, in order to remove the paint smell in the clean water tank, the shipyard will inject clean water into the fresh water tank for soaking. Generally, the soaking time is 72 hours, but simple soaking in clean water is used. There is no guarantee that the pollutants in the cabin will be cleaned up. Contents of the invention [0003] Aiming at the problems existing in the prior art, the invention provides a new method for c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B3/10B08B3/02B08B3/08B08B13/00B05B3/00
CPCB05B3/00B08B3/02B08B3/08B08B3/10B08B3/102B08B13/00B08B2203/007B08B2230/01
Inventor 苪健灵赵云涛常婉丽
Owner HUDONG ZHONGHUA SHIPBUILDINGGROUP
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