Distributor for falling film evaporator and falling film evaporator

A falling-film evaporator and distributor technology, applied in the direction of evaporator/condenser, desuperheater, fluid circulation arrangement, etc., can solve the problem of uneven distribution of refrigerant droplets, increase the effective spray area, improve The effect of cooling capacity and increasing effective working area

Pending Publication Date: 2019-03-19
SHANGHAI LANDLEAF BUILDING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

After throttling by the expansion valve, the refrigerant is in a gas-liquid two-phase state, and the evaporated liquid expands in all directions, causing cross flow. The liquid distributor

Method used

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  • Distributor for falling film evaporator and falling film evaporator
  • Distributor for falling film evaporator and falling film evaporator
  • Distributor for falling film evaporator and falling film evaporator

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Embodiment Construction

[0047] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation manners of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and those skilled in the art can obtain other accompanying drawings based on these drawings and obtain other implementations.

[0048] In order to make the drawing concise, the parts related to the present invention are only schematically shown in each drawing, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked. Herein, "a" not only means "only one", but also means "more than one". In this arti...

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Abstract

The invention discloses a distributor for a falling film evaporator and the falling film evaporator. The distributor for the falling film evaporator comprises a cover plate, an arc-shaped liquid distribution plate and an air outlet side plate; the air outlet side plate is arranged on the periphery of the arc-shaped liquid distribution plate, the air outlet side plate and the arc-shaped liquid distribution plate are surrounded to form a cavity, and the circular center of the arc-shaped liquid distribution plate is arranged towards the cavity; the cover plate cover is arranged in the cavity, andthe cover plate is provided with a channel for guiding a gas-liquid two-phase refrigerant into the cavity; a plurality of ventilation holes are formed in the air outlet side plate; the air outlet side plate and the arc-shaped liquid distribution plate are arranged in an angle mode, one end of the air outlet side plate is connected with the arc-shaped liquid distribution plate, and the air outletside plate is tilted towards the side away from the cavity; and a plurality of liquid distribution holes are formed in the arc-shaped liquid distribution plate. According to the distributor for the falling film evaporator and the falling film evaporator, the gas-liquid separation effect is excellent; the effect of the superheat of the refrigerants is reduced due to the fact that the residence timeof a gas phase refrigerant in the distributor is relatively short; and meanwhile, the risk that a splashing liquid phase refrigerant is carried to the compressor by the gas phase refrigerant is further reduced.

Description

technical field [0001] The invention relates to the technical field of falling film evaporator devices, in particular to a distributor for a falling film evaporator and a falling film evaporator. Background technique [0002] The structure of the distributor of the falling film evaporator determines the refrigerant distribution effect. After throttling by the expansion valve, the refrigerant is in a gas-liquid two-phase state, and the evaporated liquid expands in all directions, causing cross flow. The liquid distributor in the prior art alone cannot solve the problem of uneven distribution of refrigerant droplets. And the splashed liquid droplets have the risk of being carried by the gas to the compressor. Therefore, how to improve the refrigerant distribution balance and reduce the risk of liquid droplets being carried to the compressor is a difficult problem to be solved by those skilled in the art. Contents of the invention [0003] The object of the present inventio...

Claims

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Application Information

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IPC IPC(8): F25B39/02F25B40/04F25B41/00F25B43/00F25B41/42
CPCF25B39/028F25B40/04F25B41/00F25B43/00F25B2400/23
Inventor 冯粤妍匡明辉
Owner SHANGHAI LANDLEAF BUILDING TECH CO LTD
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