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Evaporators and air conditioning units

A technology of evaporator and tube group, applied in the direction of evaporator/condenser, refrigerator, refrigeration components, etc., can solve the problem of suction and liquid in the evaporator

Active Publication Date: 2019-09-06
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides an evaporator and an air-conditioning unit to solve the technical problem in the prior art that the evaporator will inhale liquid when it is in use

Method used

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  • Evaporators and air conditioning units
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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

[0020] After research, it was found that when the heat exchange tubes exchange heat with the liquid refrigerant, the liquid refrigerant will be evaporated into a gaseous refrigerant. However, the heat exchange tubes of the existing heat exchange tube group have large tube diameters and tube spacing, and the gaseous refrigerant is evaporating and circulating. During the process, it is easy to carry away a certain amount of liquid refrigerant from the heat exchange tube.

[0021] Based on the above issues, figure 1 An embodiment of the evaporator of the present invention is shown, the evaporator...

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Abstract

The invention provides an evaporator and an air conditioner unit. The evaporator further comprises a liquid distribution device, a heat exchanging pipe group and a liquid-carrying prevention pipe group; the liquid distribution device is arranged on the upper portion in a shell and corresponds to a liquid inlet; the liquid distribution device is used for dispersing a refrigerant introduced throughthe liquid inlet; the heat exchanging pipe group is arranged in the shell and located on the lower portion of the liquid distribution device; and the liquid-carrying prevention pipe group is arrangedin the shell and surrounds the outer side of the heat exchanging pipe group. In this way, the evaporation process can be increased to facilitate soaking heat exchanging, due to the characteristics that heat exchanging pipes of the liquid-carrying prevention pipe group are small in pipe diameter and large in distribution density, the thickness of a liquid film on the liquid-carrying prevention pipegroup can be smaller than that of the heat exchanging pipe group, the gas breaking resistance is smaller, the carried liquid refrigerant amount is decreased, and the phenomena of gas sucking and liquid carrying are prevented advantageously.

Description

technical field [0001] The invention relates to the technical field of refrigeration equipment, in particular to an evaporator and an air conditioner unit. Background technique [0002] In air conditioning and refrigeration systems, pressure vessels are the main components, such as evaporators, condensers, oil separators, flashers, etc. With the continuous development of the technical level, products with higher heat exchange capacity have more advantages and are more competitive when the price and cost are not much different. Through the research on the heat exchange capacity, it is found that the evaporator has undergone great changes in technology. At present, there are dry evaporators, flooded evaporators, and falling film evaporators for shell and tube heat exchangers. From the perspective of prospects, The development of falling film evaporator is considerable, and the development in the industry is also very rapid. [0003] However, there are still many technical bo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B39/02F28D5/02
Inventor 王铁强胡东兵石群红陈增辉胡海利
Owner GREE ELECTRIC APPLIANCES INC
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