Uniform overflow type liquid distributor

A liquid distributor and overflow type technology, applied in the direction of separation method, evaporator accessories, horizontal tube evaporator, etc., can solve the problems of uneven spraying, poor anti-blocking ability, uneven liquid distribution point, etc., to avoid uneven Simultaneity and inhomogeneity, reducing the requirements for installation accuracy, and overcoming the effect of uneven liquid distribution

Inactive Publication Date: 2015-01-28
SHENYANG AEROSPACE UNIVERSITY
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  • Claims
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AI Technical Summary

Problems solved by technology

The tube type liquid distributor has a simple structure, but its anti-blocking ability is poor, and it is easy to cause blockage, which makes the liquid film distribution uneven; The device has a large amount of processing solution and strong anti-blocking ability, but it is prone to bias flow and sheet flow, which affects the uniformity of liquid distribution; the spray liquid distributor has a circular spray surface, and the spacing and height of the nozzles are not easy to control, which is easy to cause Uneven spraying

Method used

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Embodiment Construction

[0025] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] Such as figure 1 , the flange 1 is set at the entrance, the solution enters the horizontal branch pipe 3 through the feed pipe 2, the horizontal branch pipe 3 is connected with a plurality of spray pipes 4, the spray pipe 4 is arranged on the horizontal branch pipe 3 in parallel, and the center of the spray pipe 4 The line is perpendicular to the horizontal direction of the center line of the horizontal branch pipe 3, the number of the horizontal branch pipe 3 and the spray pipe 4 is determined according to the length of the heat exchange pipe 8 in the evaporator, and the distribution and number of the nozzles 5 are determined according to the number and length of the spray pipe 4 . When the solution is sprayed from the nozzle 5 onto the folded plate overflow tank 6, because the overflow channel 11 has a cer...

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Abstract

The invention relates to a liquid distribution device, and particularly relates to a uniform overflow type liquid distributor used for uniformly distributing liquid on a horizontal heat exchange pipe. The liquid distributor comprises a flange, a feeding pipe, a horizontal branch pipe, a spray pipe, a folded-plate type overflow groove, a connecting channel and liquid distributing teeth, wherein the flange is arranged at a feeding opening; one end of the feeding pipe is connected with the flange, and the other end of the feeding pipe is connected with horizontal branch pipe; the spray pipe and the horizontal branch pipe are not in central butt joint, and occurrence of liquid accumulation in the spray pipe can be avoided; liquid in the overflow groove slowly increases by using the spray pipe, so that liquid overflows stably and has small fluctuation.

Description

technical field [0001] The invention relates to a liquid distribution device, in particular to a uniform overflow liquid distributor for uniformly distributing liquid on a horizontal heat exchange tube. Background technique [0002] The horizontal tube falling film evaporator has the advantages of high heat transfer efficiency; small temperature difference, especially suitable for evaporation of heat-sensitive solutions; simple equipment, small volume; Food, medicine, chemical industry, sewage treatment, seawater desalination and other industries. One of the key equipment of the horizontal tube falling film evaporator is the liquid distributor (ie, the liquid distributor). The solution passes through the liquid distributor and is evenly distributed on the horizontal heat exchange tubes to form a thin liquid film, which is heated and evaporated. The key to the high heat exchange efficiency of the horizontal tube falling film evaporator is that the liquid distributor can dist...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D1/04B01D1/22B01D1/30
Inventor 赵国昌赵恒宋丽萍
Owner SHENYANG AEROSPACE UNIVERSITY
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