Air cooler, air cooling island and operation method of air cooling island

An operation method and technology of air-cooling island, which are applied in the operation of air-cooling island and air-cooling island, and the field of air-cooler, can solve problems such as reducing energy utilization efficiency, and achieve the effect of improving power plant efficiency, reducing condensing pressure and avoiding freezing.

Active Publication Date: 2019-02-05
谭波
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This solution will also reduce energy utilization efficiency, which cannot be realized on traditional cement towers. At the same time, it is difficult to avoid local heat exchange equipment freezing due to low local air temperature and unbalanced temperature distribution. brought about by fluctuations

Method used

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  • Air cooler, air cooling island and operation method of air cooling island
  • Air cooler, air cooling island and operation method of air cooling island
  • Air cooler, air cooling island and operation method of air cooling island

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Embodiment Construction

[0038] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0039] like Figure 1 to Figure 3 The shown air cooler includes a plurality of heat exchange units 1 arranged in layers, an air flow channel 102 for air to pass is formed between two adjacent heat exchange units 1 , and the heat exchange unit 1 has several fluid channels 101 arranged in parallel , the fluid passages 101 of adjacent heat exchange units are staggered, so that each air passage is a wave-shaped curved passage. Among the several fluid passages 101 of each heat exchange unit 1, at least one of the two ends of the fluid passage communicates with the first medium header 2 and the first medium second header 3 respectively, and the other ends of the other fluid passages communicate with the second header respectively. The medium first header 4 communicates with the second medium second header 5 . figure 1 and image 3 The arrow 13 in ...

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Abstract

An air cooler, an air cooling island and an operation method for the air cooling island, comprising the air cooler, a circulating pump (6) and a heat exchanger (7); the air cooler has a plurality of heat exchanging units (1) provided in layers, an air flow channel (102) being formed between each two adjacent heat exchanging units (1) for the passage of air, the heat exchanging units (1) having at least two fluid channels (101) in parallel, two ends of at least one fluid channel communicating with a first medium first header (2) and with a first medium second header (3) respectively, and two ends of the remaining fluid channels respectively communicating with a second medium first header (4) and a second medium second header (5); during operation of the air cooling island, the air cooler cools the fluid to be cooled, and meanwhile an anti-freeze medium heated by means of the heat exchanger (7) is introduced, enabling the temperature of the heat exchanging units (1) of the air cooler to remain above the freezing point of the fluid to be cooled, avoiding the risk of freezing of tubes of the air cooling island.

Description

technical field [0001] The invention relates to the technical field of heat exchange equipment, in particular to an air cooler that prevents freezing and can effectively improve heat exchange efficiency; the invention also relates to an air cooling island and an operation method of the air cooling island. Background technique [0002] The air-cooled heat exchanger uses air as the cooling medium to cool or condense the high-temperature process fluid, referred to as the air cooler. [0003] If the air-cooled island of the existing power plant is not controlled when the temperature is low, it is easy to freeze, and once it freezes, it is very likely to cause the air cooler to freeze, and the unit is forced to shut down, resulting in economic losses. For safe operation, power plants generally shut down part of the air coolers in the air cooling island when operating at low temperatures, passively increasing the condensation or heat exchange temperature of the air coolers to prev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28F19/00F28F17/00F28F27/00
CPCF28B9/00F28D9/00
Inventor 谭波
Owner 谭波
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