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Cooling tower water-steam recovery method

A water vapor recovery and cooling tower technology, applied in separation methods, water shower coolers, chemical instruments and methods, etc., can solve the problems of overflowing cooling towers, total area limitation of condensation plates, loss, etc., to achieve low overall cost and implement equipment. Low cost, low cost effect

Inactive Publication Date: 2007-11-14
郑平安
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Problems solved by technology

[0008] Although this method can recover a small amount of water vapor, in order to ensure the self-extraction force of the cooling tower, the condensing plates of the steam trap cannot be set too densely, that is, the total area of ​​the condensing plates is limited, and most of the water vapor will pass through the condensing plates. over, overflow the cooling tower and lose

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  • Cooling tower water-steam recovery method
  • Cooling tower water-steam recovery method

Examples

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Embodiment Construction

[0042] Referring to Fig. 1 , in the condensing generator set used in thermal power generation, the cooling water whose temperature rises after heat exchange in the condenser 1 enters the cooling tower 2 . Under the action of the self-extraction force of the cooling tower 2, the external cold air 4 enters the cooling tower 2 from the air inlet at the bottom of the cooling tower 2 and flows upward. After the cooling water whose temperature has risen is cooled by the external cold air 4 at the spraying device 5, most of it falls back into the reservoir 3, and enters the condenser 1 again for heat exchange. After being cooled by the spraying device 5, a small part of the cooling water will become water vapor and fine water droplets, which rise under the action of the self-extraction force of the cooling tower 2. If steam catcher 6 is arranged in cooling tower 2, then a small part of water vapor and fine water droplets will condense into water and fall to recycle, while most of wat...

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Abstract

A vapor recycling way of cooling tower is provided, it is setting water film on the top of the cooling water, the water vapor and weensy beads exchange heat or crash with the water film, a part of water vapors and weeny beads condensate into drops, falling and recycled, a part of water vapor and weeny beads form superior weeny beads easy to condensate into drops, the residual water and weeny beads are temperature reduction by the water film, forming low temperature water vapor and weeny beads. The invention solves the problem of low recycling rate of cooling water in the background technique. The invention's realizing way is simple, and the cost is low, can greatly reduce the lapsed cooling water which can form vapor or the weeny beads, can make the lapsed rate fall to about 0.5 percent.

Description

technical field [0001] The invention relates to a method for recovering water vapor in a cooling tower. Background technique [0002] In thermal power plants in my country's electric power industry, the generator sets adopt the condensing steam type, and the steam condensation needs to be cooled by cooling water. In areas with well-developed water systems in the south, open cooling water circulation is more commonly used; while in the north due to the lack of rivers and lakes, closed cooling water circulation is generally used. The cooling water in the closed cooling cycle will increase its own temperature while condensing steam. Therefore, it needs to exchange heat with the atmosphere in the cooling tower to lower its own temperature, so as to enter the condenser again to exchange heat with steam. During the heat exchange between the cooling water and the atmosphere in the cooling tower, part of the cooling water will turn into steam or fine water droplets and be lost to t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28C1/00F28B5/00B01D5/00
Inventor 郑平安
Owner 郑平安
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