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Air cooler tube box provided with flow deflectors

A kind of deflector, air cooler technology, applied in the direction of heat exchanger shell, lighting and heating equipment, heat exchange equipment, etc. Improve water flow speed and avoid freezing effect

Inactive Publication Date: 2012-05-23
BEIJING SHOUHANG IHW RESOURCES SAVING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The spread of freezing will block the outermost heat transfer tube, and then the heat transfer tube will freeze and crack

Method used

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  • Air cooler tube box provided with flow deflectors
  • Air cooler tube box provided with flow deflectors
  • Air cooler tube box provided with flow deflectors

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] The tube box of the air cooler of the indirect air cooling system of the power station of the present invention is that two pieces of deflectors are symmetrically welded in the tube box of the known air cooler. see figure 2 , which is a section view of one side of the air cooler tube box 1 of the present invention. Because the present invention is welded with deflector 3 symmetrically in the inside of air cooler pipe box 1, therefore the other side that does not have sectional view and figure 2 The side shown has the same structure. The shape of the deflector 3 can be a plane or an arbitrary curved surface.

[0011] In the following, only one side is taken as an example. One end of the deflector 3 is welded at the junction of the main water pipe 2 and the air cooler tube box 1, and the other end of the guide vane 3 is welded obliquely to the air cooler tube box 1. The side of the side and the joint of the finned tube 4 make the internal space of the air cooler tube...

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PUM

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Abstract

The invention provides an air cooler tube box provided with flow deflectors. According to the air cooler tube box provided by the invention, two flow deflectors are symmetrically arranged in the air cooler tube box, and respectively incline towards two sides of the tube box from a water main of the air cooler tube box to gradually narrow sections of the inner part of the tube box in the directions of two sides. The air cooler tube box provided by the invention can be used for effectively preventing a water side of an air cooler from freezing in case of low-temperature climate in winter. According to the air cooler tube box, speed of the water side of an outlet of a collecting pipe is accelerated, so that the occurrence of a dead area can be effectively avoided, coefficient of convective heat transfer of the water side is increased, and heat resistance of the water side is reduced; and therefore anti-freezing capability of a system is greatly improved.

Description

technical field [0001] The invention relates to a tube box with deflectors used in an indirect air cooling system of a power station. The tube box can effectively improve the anti-freezing ability of the tube box in the winter severe cold period. technical background [0002] Coal resources are relatively abundant in the three northern regions of my country, but due to the lack of water resources, indirect air-cooling systems are widely used as effective water-saving equipment in this region. The indirect air cooling system consists of a condenser and an air cooling tower. An air-cooled heat exchanger is arranged in the air-cooling tower. Water circulates on the tube side of the condenser and the tube side of the air cooler, and the exhaust steam of the steam turbine is condensed by cooling the low-temperature water in the condenser, and the heated water circulates to the air cooler in the air cooling tower to be cooled by air. Water acts as an intermediate medium to trans...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F9/02F28F9/22
Inventor 齐志鹏高峰黄文博王帅
Owner BEIJING SHOUHANG IHW RESOURCES SAVING TECH CO LTD
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