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Air cooler

A technology for air coolers and inlets, applied in heat exchanger types, indirect heat exchangers, damage protection, etc., which can solve problems such as unreported technology, reduced processing capacity of devices, and failure of heat exchange tubes to perform heat exchange functions, etc.

Active Publication Date: 2010-11-10
何巨堂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] ⑤In the existing hydrogenation reaction effluent air cooler, many corrosive faults occur in the heat exchange tube area at the front. It is removed during the heat exchange process, so that the normal heat exchange tube at the rear cannot perform the heat exchange function, which may cause the device to reduce the processing capacity
[0012] The purpose of the present invention is to propose a kind of air cooler, solve the above problems, similar technology has not been reported

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0021] The air cooler of the present invention is an air cooler or an air-cooled heat exchanger or an air cooler used in industrial devices, and is a heat exchange device that uses air as a cooling medium to exchange heat with exothermic streams in heat exchange tubes.

[0022] The air cooler of the present invention, the basic components are tube bundles, blowers, and frames, and the auxiliary components are shutters, air ducts, ladders, platforms and possible spraying devices.

[0023] In the air cooler of the present invention, the tube bundle is composed of heat exchange tubes and tube boxes.

[0024] The air cooler of the present invention is characterized in that: in the flow direction of the entire tube side, there are a front tube bundle and a rear tube bundle, and the front tube bundle and the rear tube bundle are connected in series.

[0025] The present invention is further characterized in that: the front tube bundle and the rear tube bundle are arranged side by si...

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PUM

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Abstract

The invention relates to an air cooler, which is provided with a front tube bundle and a rear tube bundle in the entire tube pass material flowing direction, wherein the front tube bundle is connected with the rear tube bundle in series. The front tube bundle and the rear tube bundle of the air cooler are in different working environments and can be made of different materials. Particularly, when the air cooler is used for cooling hydrogenated effluent of a hydrocarbon hydrogenation device, flushing water is added on a passage part between the front tube bundle and the rear tube bundle to reduce the convent of water in medium in the front tube bundle, thereby reducing hydrogen sulfide-ammonia-hydrogen-water corrosion formed by the medium in the front tube bundle and improving the heat transfer efficiency of the front tube bundle.

Description

technical field [0001] The invention relates to an air cooler, which has a front tube bundle and a rear tube bundle in the flow direction of the whole tube stream, and the front tube bundle and the rear tube bundle are connected in series. In particular, when the air cooler of the present invention is used as an air cooler for hydrogenation reaction effluent of a hydrocarbon hydrogenation unit, a flushing water inlet is provided on the channel part between the front tube bundle and the rear tube bundle. Background technique [0002] The hydrogenation reaction effluent is injected into the washing water, the purpose is to absorb the ammonia in the hydrogenation reaction effluent, prevent the ammonia concentration from being too high, accumulate in the reaction system, and reduce the catalyst activity. Usually, the lower the ammonia concentration in the circulating hydrogen, the better. Generally not more than 200PPm, preferably not more than 50PPm; and the aqueous solution af...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D1/04F28F19/00
Inventor 何巨堂
Owner 何巨堂
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