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Liquid-distributing device for falling-film evaporator

A technology of falling film evaporator and liquid distribution, which is applied to the shell of heat exchanger, lighting and heating equipment, heat exchange equipment, etc.

Inactive Publication Date: 2013-06-12
ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, various liquid distribution devices have different scopes of application, have certain limitations, and require relatively high processing accuracy.

Method used

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  • Liquid-distributing device for falling-film evaporator
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  • Liquid-distributing device for falling-film evaporator

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Embodiment Construction

[0029] The structure of its liquid distribution device is as follows: figure 1 , 2 As shown, the liquid inlet pipe 1 is connected to the diversion tank 2, the diversion tank 2 is connected to the diversion pipe 4, the diversion pipe 4 is connected to the porous liquid distribution pipe 5, and the porous liquid distribution pipe 5 is placed in the stuffing tank 3. Such as image 3 The bottom plate 6 of the porous packing tank 3 shown has a plurality of liquid distribution holes 7 .

[0030] Such as figure 1 , 2 As shown, the diameter of the liquid inlet pipe 1 is 50 mm, and it passes vertically downward through the center of the top cover of the split pool 2, and the distance between the nozzle and the bottom plate of the split pool is 15 mm. The top cover of the liquid inlet pipe 1 and the split flow pool 2 is welded and sealed with each other.

[0031] Such as figure 1 , 2 As shown, the shape of the shunt pool 2 is a cuboid with a length of 360mm, a width of 150mm a...

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Abstract

The invention relates to a liquid-distributing device for a falling-film evaporator used for a refrigerating system. The liquid-distributing device comprises a liquid inlet pipe, a flow branching pool, a flow-guiding pipe, a porous liquid-distributing pipe and a packing tank, wherein the liquid inlet pipe is connected with the flow branching pool; the flow branching pool is connected with the flow-guiding pipe; the flow-guiding pipe is connected with the porous liquid-distributing pipe; the porous liquid-distributing pipe is arranged in the packing tank; and a plurality of liquid-distributingholes are formed on a base plate of the packing tank. The evenness of refrigerating fluid distribution is promoted by the liquid-distributing device provided by the invention, thereby being capable of evenly distributing refrigerating fluid along a radial direction and a length direction of a heat exchange pipe bundle, avoiding the generation of a local drying phenomenon, reducing a demand on horizontality during a mounting process of a refrigerating machine set, efficiently promoting a coefficient of heat transfer of the falling-film evaporator, saving space and capitalized cost, and achieving higher applicability.

Description

【Technical field】 [0001] The invention relates to the field of air conditioning, in particular to a liquid distribution device for a falling film evaporator of a refrigeration system. 【Background technique】 [0002] Horizontal tube falling film evaporators have been widely used in chemical, petrochemical, seawater desalination and other industries, but their application in refrigeration systems has not yet been popularized. In recent years, due to the increasing energy crisis and environmental problems, improving the efficiency of refrigeration systems has become the focus of attention. As a new type of evaporator, the falling film evaporator has the advantages of high heat exchange efficiency, small equipment volume, low equipment cost, small refrigerant charge and good oil return performance. It has good application prospects in refrigeration and air conditioning systems. The main heat exchange method inside the horizontal tube falling film evaporator is falling film eva...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28F9/22
Inventor 刘华张正国高学农胡东兵张孝进陈红万仁杰许晶颜家桃胡海利胡立书
Owner ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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