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Gas-liquid dissolution apparatus

A gas-liquid dissolving, gas-liquid technology, applied in the directions of dissolving, dissolving, water aeration, etc., can solve problems such as the inability to effectively increase the oxygen concentration, and achieve the effects of increasing durability, expanding contact area, and increasing contact opportunities

Active Publication Date: 2007-02-14
MATSUE DOKEN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the oxygen concentration cannot be effectively increased

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0100] Embodiments of the present invention will be explained below with reference to the drawings.

[0101] figure 1 It is a schematic diagram of using the gas-liquid dissolving device described in this example to improve an anoxic lake. figure 2 It is a cross-sectional view of the main configuration parts of the gas-liquid dissolving device according to this embodiment. image 3 It is an oblique schematic view of the main parts of the gas-liquid dissolving device according to this embodiment. The gas-liquid dissolving device 1 includes a pump 3 for extracting water in the anoxic water area B of the lake A, and provides the extracted water to the nozzle 2, and an oxygen supply unit 4 for supplying gas containing oxygen (hereinafter, The air used is replaced by "oxygen") to the nozzle 2, a nozzle 2 for spraying the water provided by the pump 3 and the oxygen provided by the oxygen supply unit 4 to the separation plate 5a in the gas-liquid dissolving chamber, and a gas-liqui...

no. 3 example

[0118] The gas-liquid dissolution device for treating seawater will be introduced below. If the gas-liquid dissolving device according to the first embodiment works in areas containing salt in seawater, or in areas with high salinity in seawater, relatively small air bubbles will be generated, and will form in the gas-liquid separation chamber. The phenomenon that sea water is difficult to separate from air bubbles appears in the water. This is due to the fact that the salt will create tiny air bubbles, which will give buoyancy to even a small column of water. In the third embodiment, it will be explained how the gas-liquid dissolving device separates air bubbles and seawater by using a circulating water column.

[0119] Figure 7 It is a sectional view of the main configuration part of the gas-liquid dissolving device according to the third embodiment. Figure 8 It is a cross-sectional view of the gas-liquid dissolution chamber including through holes. The gas-liquid diss...

no. 4 example

[0130] In the fourth embodiment, the nozzle of the device ejects the gas-liquid multiphase liquid under the action of normal suction. Figure 9 It is a schematic diagram of the nozzle top of the gas-liquid dissolving device according to the fourth embodiment. According to the gas-liquid dissolving device of the present embodiment, the gas supply pipe 34 communicates upwardly through the nozzle 32 with a position on the surface where the injection port 32b is provided. The nozzle 32 is tapered toward the spray port 32 b such that water is forced to be sprayed from the nozzle 32 . At the same time, a pressure difference is generated, and air is sucked from the air supply pipe 34 , and finally the liquid ejected from the nozzle 32 is a gas-liquid multiphase liquid.

[0131] According to the above structure, air can be supplied through the other end of the air supply pipe 34 located on the water surface without supplying air by a pump. Due to the influence of air pressure, the i...

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Abstract

The invention relates to a gas-liquid dissolution apparatus that is capable of dissolving an oxygenic gas in water introduced from an oxygen-poor water zone to thereby increase the concentration of dissolved oxygen and feeding back the resultant water to the water zone. There is provided a gas-liquid dissolution apparatus including pump (3) for introducing water from an oxygen-poor water zone; oxygen supply unit (4) for supplying an oxygenic gas; gas-liquid dissolution chamber (5) of tubular form longer than is wide, the chamber (5) furnished at its lower part with at least one hole (5b) and furnished at its upper part with dome-shaped top board (5a); nozzle (2) with its distal end internal part tapered, which nozzle jets the gas from the oxygen supply unit (4) and the water from the pump (3) upward so as to collide with the internal wall of the top board (5a) of the gas-liquid dissolution chamber (5), thereby attaining vigorous agitation of gas and water by the momentum of the jet; gas-liquid separation chamber (6) which communicates through the hole (5b) with the gas-liquid dissolution chamber (5) so that the bubbles and water outflowing through the hole (5b) from the gas-liquid dissolution chamber (5) are stocked and separated from each other; and water delivery port (6b) for feeding back the water separated from bubbles toward the oxygen-poor water zone.

Description

technical field [0001] The present invention relates to a gas-liquid dissolving device capable of continuously producing a certain gas component dissolved in a liquid at a high concentration. More specifically, it relates to a gas-liquid dissolving device for dissolving oxygen-containing gas in water drawn from anoxic waters, thereby increasing the dissolved oxygen concentration in the water, and returning the water treated by the gas-liquid dissolving device to anoxic waters . Background technique [0002] On the bottom of lakes, swamps, dams, rivers, inland seas, or similar areas, deposits of large quantities of organic matter produced by domestic waste water or agricultural waste water flowing in from land, remains of aquatic plants, or reproduction using the organic matter as food plankton. When oxygen is dissolved in the bottom of lakes, swamps, dams, rivers, inland seas, or similar areas, these organic matter and sediments are broken down. Oxygen-depleted waters wil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/20C02F7/00B01F1/00B01F3/04B01F5/02
CPCB01F3/0446B01F5/0268B01F2003/04879B01F1/0022B01F2215/0052B01F21/20B01F23/232B01F23/237612B01F25/25B01F2101/305
Inventor 北迫弘胜部政男坂本胜弘佐合纯造田中宏明津森俊
Owner MATSUE DOKEN
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