CN210718219U

CN210718219U - Improved evaporator

Info

Publication number: CN210718219U
Application number: CN201921081999.1U
Authority: CN
Inventors: 廖小毛
Original assignee: Kunshan Super Smart Refrigeration Equipment Co Ltd
Current assignee: Kunshan Super Smart Refrigeration Equipment Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-06-09
Anticipated expiration: 2029-07-11

Abstract

The utility model relates to an improved generation evaporimeter, the novel nipple rectifier comprises a cylindrical shel, an upper and lower both ends difference sealing connection end cover of barrel, be equipped with refrigerant import pipe and refrigerant outlet pipe on the barrel, the fixed U type pipe that is equipped with two parallels on the lateral wall of this barrel, wherein a liquid inlet pipe of U type union coupling of top, a liquid outlet pipe of U type union coupling of below, the inside hollow structure that is of barrel is equipped with snakelike nest of tubes in this hollow structure, snakelike nest of tubes is established by a plurality of snakelike pipes each other cover and is formed, the snakelike pipe has input and output, and the input of these a plurality of snakelike pipes forms two rows of parallels at least and all wears out the shell and insert the U type pipe of top in, and the output of these a plurality of snakelike pipes forms two rows of parallels. The utility model discloses small, heat exchange efficiency is high and have stronger pressure-resistant ability.

Description

Improved evaporator

Technical Field

The utility model relates to an evaporator, concretely relates to improved generation evaporimeter with coiled pipe.

Background

The conventional evaporator shell only has one coiled pipe, so the heat dissipation efficiency is low, and the coiled pipe is made longer for better heat dissipation, so the shell is made larger. In order to solve this problem, there is an evaporator 1 as shown in fig. 1, in which a plurality of serpentine tubes are adopted and liquid inlets and outlets are connected in a single row by using O-shaped tubes, which improves heat dissipation efficiency to some extent without increasing the volume of the serpentine tubes, but this evaporator still has the following disadvantages: firstly, the O-shaped pipes are connected in a single row, so that the flow of inlet and outlet liquid is greatly limited, and the heat exchange area is reduced; secondly, if need bigger heat transfer area, just need increase more coiled pipes, must increase the diameter of shell like this, along with the increase of shell diameter, the shrouding pressure resistance at shell both ends reduces, and the demand of refrigerant also risees by a wide margin, is unfavorable for energy-concerving and environment-protective.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides an improved evaporator, liquid is imported and exported and is used U type pipe multirow to connect in this evaporator, consequently as long as increase the barrel height slightly and can enough make the exchange function of whole evaporator improve one time, have very strong competitiveness.

The utility model discloses a solve the technical scheme that its technical problem adopted and be:

the utility model provides an improved generation evaporimeter, includes the barrel, the upper and lower both ends of barrel are sealing connection end cover respectively, be equipped with refrigerant import pipe and refrigerant outlet pipe on the barrel, fixed two parallel U type pipes that are equipped with on the lateral wall of this barrel, wherein a liquid import pipe of U type union coupling in top, a liquid outlet pipe of U type union coupling in below, the inside hollow structure that is of barrel is equipped with snakelike nest of tubes in, snakelike nest of tubes is established each other by a plurality of coiled pipes and is formed, the coiled pipe has input and output, and the input of these a plurality of coiled pipes forms two rows of parallels at least and all wears out the shell and insert in the U type pipe of top, and the output of these a plurality of coiled pipes forms two rows of parallels at least and all wears out the shell and inserts in the.

Preferably, the cylinder body is of a circular ring body structure with a through groove in the center, the inside of the circular ring body is of a hollow structure, and two ends of the circular ring body are sealed through end covers with through holes.

Preferably, one end of the refrigerant inlet pipe is connected to the side wall of the lower end of the cylinder, the other end of the refrigerant inlet pipe is connected to an external pipeline, one end of the refrigerant outlet pipe is connected to the end cover at the upper end of the cylinder, and the other end of the refrigerant outlet pipe is connected to the external pipeline.

Preferably, two arms of the U-shaped pipe are welded and fixed with the cylinder, and the two U-shaped pipes are fixed on the same side of the cylinder.

Preferably, a baffle plate with a plurality of through holes is arranged in the cylinder body, and the coiled pipe penetrates through the through holes and is fixed in the cylinder body.

The utility model has the advantages that: the utility model discloses the input and the output of well coiled pipe can be established into two rows or multirow structure, and whole and U type pipe intercommunication, in order to satisfy the design of multirow coiled pipe, only need increase barrel height a little can, consequently can make the heat exchange power of evaporimeter improve one time or even several times under the condition that evaporimeter barrel diameter is unchangeable and its height increases a little, not only the holistic area occupied of evaporimeter is little, and because the volume change of barrel is very little, therefore the volume of filling of refrigerant basically need not increase, be favorable to energy saving and emission reduction; meanwhile, the diameter of the cylinder body is unchanged, so that the compression strength of the end covers at the two ends of the cylinder body is unchanged, and the whole evaporator has stronger compression capacity; the U-shaped pipe is directly fixed on the side wall of the cylinder body, so that the pressure on the coiled pipe is reduced, and the overall stability of the evaporator is improved; because the U-shaped pipe can accommodate a plurality of rows of coiled pipes, the flow of the liquid inlet and the liquid outlet is multiplied, the heat exchange area is greatly increased, and the heat exchange power of the evaporator is improved.

Drawings

FIG. 1 is a schematic view of a prior art evaporator;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a top view of the present invention;

FIG. 5 is a schematic structural view of a serpentine tube according to the present invention;

in the figure: 1-evaporator, 10-cylinder, 11-end cover, 12-refrigerant inlet pipe, 13-refrigerant outlet pipe, 20-coiled pipe, 21-input end, 22-output end, 30-U-shaped pipe, 31-liquid inlet pipe and 32-liquid outlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 2-5, an improved evaporator comprises a cylinder 10, wherein the upper and lower ends of the cylinder 10 are respectively connected with an end cover 11 in a sealing manner, the cylinder 10 is provided with a refrigerant inlet pipe 12 and a refrigerant outlet pipe 13, two parallel U-shaped pipes 30 are fixed on the outer side wall of the cylinder 10, wherein the upper U-shaped pipe is connected with a liquid inlet pipe 31, the lower U-shaped pipe is connected with a liquid outlet pipe 32, the interior of the cylinder 10 is of a hollow structure, the hollow structure is internally provided with a serpentine pipe group, the serpentine pipe group is formed by mutually sleeving a plurality of serpentine pipes 20, each serpentine pipe 20 is provided with an input end 21 and an output end 22, the input ends of the plurality of serpentine tubes form at least two parallel rows and all penetrate out of the shell and are inserted into the U-shaped tube 30 above, the output ends of the plurality of serpentine tubes are formed into at least two parallel rows and all penetrate through the shell and are inserted into the U-shaped tube 30 below. In order to improve the heat exchange efficiency of the utility model, the number of the coiled pipes can be increased, the distance between every two coiled pipes is different, the distance between the coiled pipes from inside to outside is gradually increased, the coiled pipes from outside to inside are mutually sleeved, in the embodiment, 10 coiled pipes are arranged in the utility model, the input ends and the output ends of the 10 coiled pipes respectively form two parallel rows, five coiled pipes are arranged in each row, all the input ends 21 extend out of the cylinder body and are communicated with the U-shaped pipe 30 positioned above the cylinder body, all the output ends 22 extend out of the cylinder body and are connected with the U-shaped pipe positioned below the cylinder body, in order to further improve the evaporation efficiency, more coiled pipes can be arranged, correspondingly, the input ends and the output ends of the coiled pipes can be arranged into three rows, four rows and the like, in order to meet the design of a plurality of rows of coiled pipes, only the height of the cylinder body needs to be slightly increased, therefore, the heat exchange power of the evaporator can be improved by one, the occupied area of the whole evaporator is small, and the volume change of the cylinder body is small, so that the charging amount of the refrigerant is not required to be increased basically, and the energy conservation and emission reduction are facilitated; meanwhile, the diameter of the cylinder body is not changed, the compression strength of the end covers at two ends of the cylinder body is not changed, and the whole evaporator has stronger compression resistance; the U-shaped pipe is directly fixed on the side wall of the cylinder body, so that the pressure on the coiled pipe is reduced, and the overall stability of the evaporator is improved; because the U-shaped pipe can accommodate a plurality of rows of coiled pipes, the flow of the liquid inlet and the liquid outlet is multiplied, the heat exchange area is greatly increased, and the heat exchange power of the evaporator is improved.

As shown in fig. 3, the cylinder 10 is a torus structure having a through groove at the center, the interior of the torus is a hollow structure, and two ends of the torus are sealed by end covers 11 having through holes. : one end of the refrigerant inlet pipe 12 is connected to the side wall of the lower end of the cylinder 10, the other end is connected to an external pipeline, one end of the refrigerant outlet pipe 13 is connected to the end cover 11 of the upper end of the cylinder, and the other end is connected to the external pipeline.

Preferably, the two arms of the U-shaped tube 30 are welded to the cylinder 10, the two U-shaped tubes are fixed to the same side of the cylinder, the two arms of the U-shaped tube 30 are just clamped to the two sides of the cylinder 10, and the two U-shaped tubes are welded to each other, so that the fixing manner is firm, and no pressure is applied to the input end and the output tube of the serpentine tube. The coil pipes 20 are fixed in the cylinder body 10 through the through holes, the baffle is not shown in the figure, and the coil pipes 20 are positioned at fixed positions in the cylinder body, so that gaps among all the coil pipes can be effectively kept, the refrigerant is ensured to be reversely evaporated in the cylinder body along the spiral shape of the pipe wall, the heat exchange power is further improved, and the highest energy efficiency of the evaporator can be exerted.

The utility model discloses an operation process: during the use, the refrigerant is through being located in the refrigerant import pipe 12 entering barrel of barrel 10 lower extreme, and high temperature liquid gets into the U type pipe 30 that is located the barrel top through liquid import pipe 31, and then the input 21 entering barrel through the coiled pipe is internal in the coiled pipe main part, high temperature liquid is at the intraductal from top to bottom flow of coiled pipe, and the refrigerant in barrel 10 upwards flows along coiled pipe wall vortex form, liquid and the refrigerant fully contact heat transfer in the coiled pipe, make the refrigerant evaporation, the refrigerant of evaporation is discharged through the refrigerant outlet pipe 13 that is located on barrel upside end cover 11, and the liquid after being cooled gets into the U type pipe 30 that is located the barrel below and flows out through liquid outlet pipe 32 through the output 22 of coiled pipe.

It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An improved evaporator, comprising: comprises a cylinder body (10), the upper end and the lower end of the cylinder body (10) are respectively connected with an end cover (11) in a sealing way, a refrigerant inlet pipe (12) and a refrigerant outlet pipe (13) are arranged on the cylinder body (10), two parallel U-shaped tubes (30) are fixedly arranged on the outer side wall of the cylinder body (10), wherein the upper U-shaped pipe is connected with a liquid inlet pipe (31), the lower U-shaped pipe is connected with a liquid outlet pipe (32), the interior of the cylinder body (10) is of a hollow structure, the hollow structure is internally provided with a serpentine pipe group which is formed by mutually sleeving a plurality of serpentine pipes (20), the serpentine tube (20) having an input end (21) and an output end (22), the input ends of the plurality of the coiled pipes form at least two parallel rows and all penetrate out of the shell and are inserted into the U-shaped pipe (30) above, the output ends of the plurality of the coiled pipes form at least two parallel rows, and all the output ends penetrate out of the shell and are inserted into the U-shaped pipe (30) below.

2. The improved evaporator as set forth in claim 1, wherein: the barrel (10) is of a ring body structure with a through groove in the center, the inside of the ring body is of a hollow structure, and two ends of the ring body are sealed through end covers (11) with through holes.

3. The improved evaporator of claim 2, wherein: one end of the refrigerant inlet pipe (12) is connected to the side wall of the lower end of the cylinder body (10), the other end of the refrigerant inlet pipe is connected with an external pipeline, one end of the refrigerant outlet pipe (13) is connected to the end cover (11) at the upper end of the cylinder body, and the other end of the refrigerant outlet pipe is connected with the external pipeline.

4. The improved evaporator as set forth in claim 1, wherein: two arms of the U-shaped pipe (30) are welded and fixed with the cylinder body (10), and the two U-shaped pipes are fixed on the same side of the cylinder body.

5. The improved evaporator as set forth in claim 1, wherein: the barrel (10) is internally provided with a baffle plate with a plurality of through holes, and the coiled pipe (20) passes through the through holes and is fixed in the barrel.