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Method for keeping boat stored drinking water fresh

A fresh-keeping method and technology for drinking water, applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc. problems, to achieve the effect of long-term preservation and maintaining the level of disinfectants

Active Publication Date: 2014-12-10
NAVY MEDICINE RES INST OF PLA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above-mentioned shortcoming of prior art, the object of the present invention is to provide a kind of fresh-keeping method of ship's storage drinking water, to solve the long-term storage process of ship's storage of drinking water through the water tank, the excessive reproduction of microorganisms, the occurrence of visible objects such as rust, Provide safe and healthy drinking water for ships in response to water quality deterioration such as rising levels of toxic and harmful substances such as lead and cadmium

Method used

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  • Method for keeping boat stored drinking water fresh
  • Method for keeping boat stored drinking water fresh
  • Method for keeping boat stored drinking water fresh

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Embodiment 1 adopts the following method to carry out fresh-keeping treatment to the drinking water stored in ships:

[0049] a. The self-priming lift pump extracts the stored drinking water from the water tank of the ship, and the vertical distance between the beginning of the water inlet pipe of the self-priming lift pump and the bottom of the water bilge is 8cm;

[0050] b. The water from the lifting pump directly enters the security filter to remove large particles of impurities such as silt and rust in the stored drinking water. The filtration accuracy of the security filter is 5 μm, and the water inlet and outlet ends are provided with pressure monitors;

[0051] c. The effluent of the security filter enters the composite fine filter to filter out dissolved organic matter, lead and cadmium and other metal extracts, biofilms and fine particle impurities in the stored drinking water. The filtration of KDF and activated carbon in the composite fine filter The mass ra...

Embodiment 2

[0056] Embodiment 2 adopts the following method to carry out fresh-keeping treatment to the drinking water stored in ships:

[0057] a. The self-priming lift pump extracts the stored drinking water from the water tank of the ship, and the vertical distance between the beginning of the water inlet pipe of the self-priming lift pump and the bottom of the water bilge is 8cm;

[0058] b. The water from the lifting pump directly enters the security filter to remove large particles of impurities such as sediment and rust in the stored drinking water. The filtration accuracy of the security filter is 0.5 μm, and the water inlet and outlet ends are equipped with pressure monitors ;

[0059] c. The effluent of the security filter enters the composite fine filter to filter out dissolved organic matter, lead and cadmium and other metal extracts, biofilms and fine particle impurities in the stored drinking water. The filtration of KDF and activated carbon in the composite fine filter The...

Embodiment 3

[0065] will be 25m 3 The drinking water stored in the ship was kept fresh by the above method for 93 days, and all the water quality indicators tested were in line with GB5749-2006 "Drinking Water Hygienic Standards". The water quality indicators such as visible objects, iron, and total number of bacterial colonies have been significantly improved. The specific test data are shown in Table 1.

[0066] Table 1

[0067]

[0068]

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Abstract

The invention provides a method for keeping boat stored drinking water fresh. The method comprises the following steps: pumping boat stored drinking water out of a water cabin; filtering the pumped boat stored drinking water by a cartridge filter; then feeding the discharging water of the cartridge filter into a composite fine filter with a KDF filter material and activated carbon to be filtered; enabling the discharging water of the composite fine filter to flow back the water cabin; feeding the water flowing back the water cabin to a circulating pump; then feeding the discharging water of the circulating water pump into a micro-electrolysis water producer; feeding the discharging water of the micro-electrolysis water producer into the water cabin for a standby purpose. Solid impurities and microorganisms, which are produced in the boat drinking water storage process can be effectively removed by the method through the accurate control of all technical parameters, stable disinfectant quality is maintained in the stored drinking water, and the long-term fresh keeping of the boat stored drinking water is realized.

Description

technical field [0001] The invention relates to a drinking water treatment method, in particular to a fresh-keeping method for storing drinking water in a ship. Background technique [0002] The internal space of the engine room at the bottom of the ship is compact, and the traditional chlorination and ozone disinfection methods are difficult to use for fresh-keeping treatment of the ship's stored drinking water, which leads to the easy breeding of bacteria, viruses, and fungi in the ship's stored drinking water system, resulting in excessive microbial concentration and causing storage and drinking. The turbidity and chroma in the water will increase, and even produce peculiar smell, and the chance of drinking water will increase the incidence of disease. [0003] Corrosion is another problem that affects the water quality of drinking water systems stored in ships. It usually leads to an increase in the concentration of metal elements in stored drinking water. Among them, al...

Claims

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Application Information

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IPC IPC(8): C02F9/06
Inventor 邹士洋伍俊荣丁冰泉黄富民章建程张建平
Owner NAVY MEDICINE RES INST OF PLA
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