CN212842332U

CN212842332U - Ice making evaporator

Info

Publication number: CN212842332U
Application number: CN202021745138.1U
Authority: CN
Inventors: 刘磊; 蒋连胜
Original assignee: Guangzhou United A/c & R Co ltd
Current assignee: Guangzhou United A/c & R Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-03-30
Anticipated expiration: 2030-08-20

Abstract

The utility model provides an ice-making evaporator, which comprises an ice-making evaporator shell, a first liquid-separating piece, a plurality of heat exchange tubes, a second liquid-separating piece and a gas-collecting tube, wherein the first liquid-separating piece, the plurality of heat exchange tubes, the second liquid-separating piece and the gas-collecting tube are arranged in the ice-making evaporator shell; the first liquid dividing piece is arranged at the top in the evaporator shell and provided with a plurality of liquid dividing holes for spraying hot water on the outer surfaces of the heat exchange tubes; the second divides liquid spare to include big copper pipe and a plurality of copper tubing, the first end of big copper pipe is with the input refrigerant, the second end is all connected with the first end of a plurality of copper tubing, the second end of a plurality of copper tubing is connected with the first end of a plurality of heat exchange tubes, the second end of a plurality of heat exchange tubes and the first end intercommunication of collecting pipe, the collecting pipe is used for discharging gaseous state refrigerant, wherein, be provided with in the collecting pipe and divide liquid sub-spare, be used for preventing that liquid from getting into in the collecting pipe, can prevent not yet that gasified refrigerant from taking out, the refrigerant can continue to carry out further heat transfer, further improve heat exchange efficiency, can solve the not high technical problem of heat exchange efficiency.

Description

Ice making evaporator

Technical Field

The utility model relates to a fluid heat transfer technical field especially relates to an ice making evaporimeter.

Background

Evaporation is a physical process of converting liquid into gas, ambient heat is absorbed in the conversion process, and the ambient heat is cooled, and the conventional ice making system can make ice by using the principle.

Generally speaking, an evaporator is a device for converting a liquid substance into a gaseous substance, and is applied to a refrigeration system, the evaporator is an important part in four major components of refrigeration, and low-temperature condensed liquid passes through the evaporator to exchange heat with external air, gasifies and absorbs heat, and achieves the refrigeration effect. The general evaporator mainly comprises a heating chamber and an evaporation chamber, wherein the heating chamber provides heat required by evaporation for liquid to promote boiling and vaporization of the liquid, hot water is usually introduced into the heating chamber, then the heat of the hot water in the pipe is exchanged into a refrigerant or other heat exchange media to be vaporized, the heat in the pipe cannot be completely transferred into the refrigerant or other heat exchange media, and only less heat can be transferred, so that the heating and vaporization efficiency is not high, and the technical problem of low heat exchange efficiency is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can improve heat exchange efficiency's ice-making evaporimeter.

An ice making evaporator comprises an ice making evaporator shell, a first liquid separating piece, a plurality of heat exchange tubes, a second liquid separating piece and a gas collecting tube, wherein the first liquid separating piece, the plurality of heat exchange tubes, the second liquid separating piece and the gas collecting tube are arranged in the ice making evaporator shell; the first liquid dividing piece is arranged at the top in the evaporator shell and provided with a plurality of liquid dividing holes for spraying hot water on the outer surfaces of the heat exchange tubes; the second liquid distributing part comprises a large copper pipe and a plurality of thin copper pipes, the first end of the large copper pipe is used for inputting a refrigerant, the second end of the large copper pipe is connected with the first ends of the thin copper pipes, the second ends of the thin copper pipes are connected with the first ends of the heat exchange pipes, the second ends of the heat exchange pipes are communicated with the first end of the gas collecting pipe, the gas collecting pipe is used for discharging a gaseous refrigerant, and a liquid distributing part is arranged in the gas collecting pipe and used for preventing liquid from entering the gas collecting pipe.

Preferably, the liquid separating sub-component is a liquid separating disc.

Preferably, the second end of the large copper pipe is provided with a detachable connecting assembly, and when the large copper pipe or the thin copper pipe is damaged, the large copper pipe or the thin copper pipe is replaced.

Preferably, the connecting assembly comprises a first connecting sub-assembly and a second connecting sub-assembly, the first connecting sub-assembly is connected with the large copper pipe, the second connecting sub-assembly is connected with the thin copper pipes, and the first connecting sub-assembly is detachably connected with the second connecting sub-assembly.

Preferably, the first connection sub is threadedly connected to the second connection sub.

Preferably, the first connecting sub-piece and the second connecting sub-piece are provided with limiting pieces on side surfaces thereof, which prevent the first connecting sub-piece and the second connecting sub-piece from being connected to each other and rotate relative to each other.

Preferably, the plurality of copper tubing are arranged on the second connecting sub-piece at intervals, the second connecting sub-piece is provided with a plurality of mounting holes, the plurality of copper tubing penetrate through the mounting holes to be connected with the second connecting sub-piece, and the second connecting sub-piece is connected with the plurality of copper tubing in a sealing manner.

Compared with the prior art, the utility model discloses following beneficial effect has: the first liquid dividing piece is arranged on the top in the evaporator shell, and the first liquid dividing piece is provided with the plurality of liquid dividing holes, so that hot water can be uniformly scattered on the surface of the radiating pipe through the liquid dividing holes of the first liquid dividing piece under the action of gravity, and the hot water can conveniently exchange heat with the plurality of heat exchange holes; the secondary liquid part comprises a large copper pipe and a plurality of thin copper pipes, when a refrigerant is introduced into the large copper pipe and the plurality of thin copper pipes, the refrigerant exchanges heat with hot water through the thin copper pipes, and each thin copper pipe can exchange heat with the hot water, so that the heat exchange is uniform, the number of copper pipes exchanging heat is increased, and the heat exchange efficiency is improved; set up in the discharge, can prevent that the refrigerant that has not gasified from taking out, the refrigerant can continue to carry out further heat transfer, further improves heat exchange efficiency, can solve the not high technical problem of heat exchange efficiency.

Drawings

Fig. 1 is a schematic view of an overall structure of an ice-making evaporator according to the present invention;

FIG. 2 is a schematic view showing a copper tube in the ice-making evaporator according to the present invention;

fig. 3 is a schematic structural view of the ice-making evaporator according to the present invention illustrating the first liquid-separating member.

Wherein the reference numerals are:

1. a first liquid-dividing member; 11. a liquid separation hole; 2. a heat exchange pipe; 3. a second liquid dividing part; 31. a large copper tube; 32. a connecting assembly; 33. a thin copper tube; 4. a gas collecting pipe.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An embodiment of the present invention provides an ice making evaporator, and specifically refers to fig. 1 to 3. An ice making evaporator comprises an ice making evaporator shell, a first liquid dividing part 1, a plurality of heat exchange tubes 2, a second liquid dividing part 3 and a gas collecting tube 4, wherein the first liquid dividing part 1, the plurality of heat exchange tubes 2, the second liquid dividing part 3 and the gas collecting tube 4 are arranged in the ice making evaporator shell; the first liquid distributing member 1 is arranged at the top in the shell of the evaporator, and the first liquid distributing member 1 is provided with a plurality of liquid distributing holes 11 for spraying hot water on the outer surfaces of the plurality of heat exchange tubes 2; the second liquid distributing part 3 comprises a large copper pipe 31 and a plurality of thin copper pipes 33, an input refrigerant is used at the first end of the large copper pipe 31, the second end of the large copper pipe is connected with the first ends of the thin copper pipes 33, the second ends of the thin copper pipes 33 are connected with the first ends of the heat exchange pipes 2, the second ends of the heat exchange pipes 2 are communicated with the first end of the gas collecting pipe 4, the gas collecting pipe 4 is used for discharging a gaseous refrigerant, and a liquid distributing part is arranged in the gas collecting pipe 4 and used for preventing liquid from entering the gas collecting pipe 4.

It should be noted that the opening of the gas collecting pipe 4 may be disposed at the top of the evaporator shell, which is beneficial for the gaseous refrigerant to float upwards by using the density characteristic of the gaseous refrigerant, so that the gaseous refrigerant floats out from the opening of the gas collecting pipe 4, and the mist refrigerant returns to the heat exchange pipe 2 to continue heat exchange.

Specifically, the liquid separating element is a liquid separating disc, the side surface of the liquid separating disc is fixedly connected with the inner side of the gas collecting pipe 4, and a filter screen can be used, wherein the diameter of the mesh of the filter screen is smaller than the particle diameter of the mist and larger than the particle diameter of the gas, so that the filter screen can pass the gas but cannot pass the liquid or the mist-state liquid.

Specifically, the second end of the large copper tube 31 is provided with a detachable connection assembly 32 for replacing the large copper tube 31 or the thin copper tube 33 when the large copper tube 31 or the thin copper tube 33 is damaged.

Specifically, the connecting assembly 32 includes a first connecting sub and a second connecting sub, the first connecting sub is connected with the large copper pipe 31, the second connecting sub is connected with the plurality of thin copper pipes 33, and the first connecting sub is detachably connected with the second connecting sub.

It can be understood that, because the copper tube may be blocked, when the copper tube 33 is blocked, the other copper tubes 33 may continue to exchange heat, and the blocked copper tubes 33 may be replaced or maintained after the heat exchange is finished.

In particular, the first connection sub is screwed to the second connection sub.

Specifically, the side surfaces of the first connecting sub-piece and the second connecting sub-piece are provided with limiting pieces which prevent the first connecting sub-piece and the second connecting sub-piece from being connected and rotate mutually.

It can be understood that, since the capillary tube 33 may shake during the process of introducing the refrigerant into the heat exchange tube 2, in order to prevent the first and second connection sub-members from rotating relatively, the first and second connection sub-members are provided with the stoppers on the side surfaces thereof during the shaking process, so as to keep the first and second connection sub-members stable.

Specifically, the plurality of copper tubing 33 are arranged on the second connecting sub at intervals, the second connecting sub is provided with a plurality of mounting holes, the plurality of copper tubing 33 penetrate through the mounting holes to be connected with the second connecting sub, and the second connecting sub is connected with the plurality of copper tubing 33 in a sealing manner.

In the whole heat exchange process, hot water falls down from the liquid distributing holes 11 on the first liquid distributing part 1 under the action of gravity and is uniformly sprayed on the outer surface of the heat exchange tube 2, the heat of the water is absorbed by a cooling medium in the heat exchange tube 2, and the temperature of the water is reduced to freeze; the low-temperature liquid refrigerant enters from the port of the large copper pipe 31, is separated by the large copper pipe 31 and then enters the fine copper pipe 33 and enters the heat exchange pipe 2, the low-temperature liquid refrigerant absorbs the hot water heat on the outer surface of the heat exchange pipe 2 and is changed into a gaseous refrigerant, and the gaseous refrigerant flows out of the gas collecting pipe 4.

In the embodiment, the first liquid distribution member 1 is arranged on the top in the shell of the evaporator, and the first liquid distribution member 1 is provided with the plurality of liquid distribution holes 11, so that hot water can be uniformly scattered on the surface of the radiating pipe through the liquid distribution holes 11 of the first liquid distribution member 1 under the action of gravity, and the heat exchange between the hot water and the plurality of heat exchange holes is facilitated; the liquid dividing part comprises a large copper pipe 31 and a plurality of thin copper pipes 33, when a refrigerant is introduced into the large copper pipe 31 and the plurality of thin copper pipes 33, the refrigerant exchanges heat with hot water through the thin copper pipes 33, and each thin copper pipe 33 can exchange heat with the hot water, so that the heat exchange is uniform, the number of copper pipes exchanging heat is increased, and the heat exchange efficiency is improved; set up in collector 4 and divide the liquid sub-spare, can prevent that the refrigerant that has not gasified from taking out, the refrigerant can continue to carry out further heat transfer, further improves heat exchange efficiency, can solve the not high technical problem of heat exchange efficiency.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. An ice making evaporator is characterized by comprising an ice making evaporator shell, a first liquid separating piece, a plurality of heat exchange tubes, a second liquid separating piece and a gas collecting tube, wherein the first liquid separating piece, the plurality of heat exchange tubes, the second liquid separating piece and the gas collecting tube are arranged in the ice making evaporator shell;

the first liquid dividing piece is arranged at the top in the evaporator shell and provided with a plurality of liquid dividing holes for spraying hot water on the outer surfaces of the heat exchange tubes;

the second liquid distributing part comprises a large copper pipe and a plurality of thin copper pipes, the first end of the large copper pipe is used for inputting a refrigerant, the second end of the large copper pipe is connected with the first ends of the thin copper pipes, the second ends of the thin copper pipes are connected with the first ends of the heat exchange pipes, the second ends of the heat exchange pipes are communicated with the first end of the gas collecting pipe, the gas collecting pipe is used for discharging a gaseous refrigerant, and a liquid distributing part is arranged in the gas collecting pipe and used for preventing liquid from entering the gas collecting pipe.

2. An icemaker evaporator according to claim 1 wherein said dispensing subassembly is a dispensing tray.

3. An ice-making evaporator as recited in claim 1, wherein said second end of said large copper tube is provided with a removable connection assembly for replacing said large copper tube or said thin copper tube when said large copper tube or said thin copper tube is damaged.

4. An ice-making evaporator as set forth in claim 3 wherein said connecting assembly includes a first connecting sub-assembly connected to said large copper tube and a second connecting sub-assembly connected to said plurality of fine copper tubes, said first connecting sub-assembly being detachably connected to said second connecting sub-assembly.

5. An ice-making evaporator as set forth in claim 4 wherein said first connection sub is threadably connected to said second connection sub.

6. An ice making evaporator as recited in claim 5, wherein said first and second connection sub-pieces are provided at their side surfaces with stoppers for preventing mutual rotation of the connection of said first and second connection sub-pieces.

7. An ice making evaporator as recited in claim 4, wherein a plurality of said copper tubing are spaced apart from each other on said second connecting sub, said second connecting sub is formed with a plurality of mounting holes, a plurality of said copper tubing pass through said mounting holes to connect with said second connecting sub, and said second connecting sub is sealingly connected to said plurality of copper tubing.