CN222012365U

CN222012365U - An automatic water circulation dry-wet combined evaporator

Info

Publication number: CN222012365U
Application number: CN202323377641.2U
Authority: CN
Inventors: 王滔
Original assignee: Jiangsu Cold Heating Technology Co ltd
Current assignee: Jiangsu Cold Heating Technology Co ltd
Priority date: 2023-12-12
Filing date: 2023-12-12
Publication date: 2024-11-15
Anticipated expiration: 2033-12-12

Abstract

The utility model relates to the technical field of evaporators, in particular to an automatic water circulation dry-wet combined evaporator which comprises a plurality of symmetrically arranged brackets and coils positioned between the brackets, wherein the coils are uniformly arranged from top to bottom, cooling liquid is filled in the coils, each coil comprises a straight pipe part and a bent pipe part, a plurality of radiating fins are arranged on the straight pipe part of each coil, a fixed block is arranged on the bent pipe part of each coil, the fixed blocks are connected to the bent pipe parts of the coils in a clamping manner, and the fixed blocks are connected to the brackets in a matched manner; the coils are communicated with each other, a water inlet is formed in the coil at the bottom of the bracket, and a water outlet is formed in the coil at the top of the bracket.

Description

Automatic water circulation dry-wet combined evaporator

Technical Field

The utility model relates to the technical field of evaporators, in particular to an automatic water circulation dry-wet combined evaporator.

Background

The evaporator is a cooling device, and the working principle is to utilize the evaporation heat absorption phenomenon of liquid to realize heat exchange, and is commonly used in various industries including air conditioning, refrigeration, chemical industry, food processing and the like. The evaporator typically includes a coolant supply system into which a coolant is introduced and which is exposed to a high temperature environment through a heat transfer surface, such as a metal sheet or tubing. When the coolant is exposed to a large surface area, molecules of the coolant gradually convert to gas or vapor. In this process, the cooling liquid absorbs heat when evaporating from the high temperature region, so that the temperature of the surrounding environment is reduced, thereby realizing the cooling effect. And finally, the cooling liquid is conveyed back to the compressor for recirculation. However, in the actual circulation process, high-temperature gas or liquid is usually introduced into the evaporator from the top end of the evaporator, so that the cooling process of the evaporator is uneven, the heat exchange efficiency of the upper part of the evaporator is high, and the heat exchange efficiency of the lower part of the evaporator is low due to the fact that the high-temperature gas or liquid is cooled, and resource waste is caused.

For solving above-mentioned technical problem, chinese patent CN218511572U discloses a wet and dry joint cooling arrangement, comprising a base plate, the last fixed surface of bottom plate is connected with the casing, the inlet port has been seted up at the both ends of casing, the both sides fixedly connected with fin coil pipe that looses of casing, the last fixed surface of casing is connected with the roof, the mounting hole has been seted up in the upper surface penetration of roof, the inner wall fixedly connected with fan dustcoat of mounting hole, the inner wall fixedly connected with mounting bracket of fan dustcoat, the lower fixed surface of mounting bracket is connected with the motor, the output fixedly connected with pivot of motor. The heat dissipation fin coil tube has the advantages that the heat inside the shell is extracted, the double heat dissipation effect is achieved through the design of the heat dissipation fin coil tube, and the refrigeration efficiency is improved. However, the cooling process of the above patent is still uneven, resulting in uneven heat dissipation of the device and low overall heat exchange efficiency.

Therefore, the automatic water circulation dry-wet combined evaporator is provided, the uniformity of the whole heat exchange of equipment is improved aiming at the problem of single injection direction of high-temperature gas or liquid, the whole heat exchange efficiency is further improved, the running stability of the equipment is ensured, and the resource waste is reduced by the technicians in the field.

Disclosure of utility model

The utility model aims to provide an automatic water circulation dry-wet combined evaporator, which aims to solve the technical problem of resource waste caused by uneven cooling process of the evaporator due to single injection direction of high-temperature gas or liquid in the evaporator in the prior art.

The technical scheme adopted for solving the technical problems is as follows: the automatic water circulation dry-wet combined evaporator comprises a plurality of brackets and coils, wherein the brackets are symmetrically arranged, the coils are arranged between the brackets and are uniformly arranged from top to bottom, cooling liquid is filled in the coils, each coil comprises a straight pipe part and a bent pipe part, a plurality of heat dissipation fins are arranged on the straight pipe part of each coil, a fixed block is arranged on the bent pipe part of each coil, the fixed blocks are connected with the bent pipe parts of the coils in a clamping mode, and the fixed blocks are connected with the brackets in a matched mode; the coils are communicated with each other, a water inlet is formed in the coil at the bottom of the bracket, and a water outlet is formed in the coil at the top of the bracket.

Further, a communication valve is arranged between two adjacent coils, two communication valves are arranged on one coil and are arranged on two sides of the coil, and the two communication valves are respectively communicated with the two coils adjacent to the coil.

Further, the fixed block is of a square block structure, a curved groove is formed in the fixed block, the curved groove is consistent with the curved pipe portion of the coil pipe in outline, and the curved pipe portion of the coil pipe is connected in the curved groove in a matched mode.

Further, two fixing blocks are arranged on the bent pipe part of one coil pipe, and the two fixing blocks are oppositely arranged and connected into a whole through threads.

Further, a groove is formed in the support, two fixing blocks which are oppositely arranged are connected in the groove in a matched mode, and the fixing blocks are connected to the support in a threaded mode.

Further, the heat dissipation fins are uniformly distributed around the axis of the coil pipe, and a plurality of heat dissipation holes are uniformly formed in the heat dissipation fins.

Further, the cooling liquid is introduced from the water inlet and discharged from the water outlet.

Further, the temperature of the coil near the water outlet is higher than the temperature of the coil near the water inlet.

The beneficial effects of the utility model are as follows: in the utility model, in the process that the high-temperature gas or liquid passes through the evaporator, the heat absorption temperature difference between the upper part and the lower part of the evaporator is consistent with the cooling temperature difference in the process that the high-temperature gas or liquid is cooled, the lower the temperature is, so that the heat exchange of the high-temperature gas or liquid is more uniform in the process that the high-temperature gas or liquid passes through the evaporator, the influence of the temperature difference on equipment is further reduced, the service life of the equipment is prolonged, and meanwhile, the cooling liquid in the coil pipe is required to be discharged into the back-flow compressor no matter whether heat absorption is completed or not, and releases heat and is recompressed.

Drawings

Fig. 1 is a perspective view of an automatic water circulation combined wet and dry evaporator of the present utility model.

Fig. 2 is a right side view of the automatic water circulation combined wet and dry evaporator of the present utility model.

FIG. 3 is an exploded view of the automatic water circulation combined wet and dry evaporator of the present utility model.

Fig. 4 is a right side view of the automatic water circulation combined wet and dry evaporator of the present utility model.

The components in the drawings are marked as follows: 10. a bracket; 20. a coiled pipe; 21. radiating fins; 22. a heat radiation hole; 23. a communication valve; 24. a fixed block; 25. a curved groove; 26. a groove; 28. a water inlet; 29. and a water outlet.

Detailed Description

The present utility model will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the utility model only by way of illustration, and therefore it shows only the constitution related to the utility model.

Referring to fig. 1 and 2, the present utility model provides an automatic water circulation combined wet and dry evaporator, which comprises symmetrically arranged brackets 10 and coils 20 positioned between the brackets 10, wherein the coils 20 are provided with a plurality of coils and are uniformly arranged from top to bottom. The coil 20 is filled with a cooling fluid, preferably a commercially available refrigerant such as freon, for cooling the coil 20 and absorbing heat from the environment surrounding the coil 20.

In use, the hot water falls from above the rack 10 through the plurality of coils 20, utilizing the lower boiling point of the refrigerant, causing it to absorb heat in the evaporator and change from a liquid state to a gaseous state, thereby absorbing more heat and cooling the surrounding environment.

Further, referring to fig. 3 and 4, the coil 20 includes a straight tube portion and a bent tube portion, and a plurality of heat dissipation fins 21 are disposed on the straight tube portion of the coil 20, and the heat dissipation fins 21 are uniformly distributed around the axis of the coil 20. The heat dissipation fins 21 are uniformly provided with a plurality of heat dissipation holes 22 for improving heat dissipation area and facilitating cooling.

Further, a fixing block 24 is disposed on the bent pipe portion of the coil 20, the fixing block 24 is connected to the bent pipe portion of the coil 20 in a clamping manner, and the fixing block 24 is connected to the bracket 10 in a matching manner.

Specifically, the fixing block 24 has a square block structure, the fixing block 24 is provided with a curved groove 25, the curved groove 25 is consistent with the contour of the curved pipe portion of the coil pipe 20, and the curved pipe portion of the coil pipe 20 is connected in the curved groove 25 in a matching manner. Two fixing blocks 24 are installed on the bent pipe part of one coil pipe 20, and the two fixing blocks 24 are oppositely arranged and are connected into a whole through fastening pieces such as bolts or screws. Thereby facilitating quick installation of the securing block 24 onto the elbow 20.

The bracket 10 is provided with a groove 26, and two opposite fixed blocks 24 are connected in the groove 26 in a matching way. The fixing block 24 is screwed to the bracket 10 by using a bolt or a screw or the like, thereby ensuring the stability and uniformity of lamination of the plurality of coils 20.

Further, a communication valve 23 is provided between two adjacent coils 20, two communication valves 23 are provided on one coil 20 and the communication valves 23 are disposed on both sides of the coil 20, and the two communication valves 23 are respectively communicated with the two coils 20 adjacent to the coil 20, thereby allowing the plurality of coils 20 to be communicated with each other.

Specifically, the coil 20 at the bottom of the bracket 10 is provided with a water inlet 28, and the coil 20 at the top of the bracket 10 is provided with a water outlet 29.

When in use, the cooling liquid is introduced from the water inlet 28 on the coil pipe 20 at the bottommost part, flows through the plurality of coil pipes 20 and finally is introduced from the water outlet 29 on the coil pipe 20 at the topmost part, so that the cooling liquid is conveyed into all the coil pipes 20, and the environment of the evaporator is cooled in the conveying process of the cooling liquid; when the cooling fluid absorbs heat in the evaporator and changes from a liquid state to a gaseous state, the coil 20 absorbs more heat and cools the surrounding environment, allowing for rapid cooling of the liquid or gas.

Because the high temperature gas or liquid is sprayed downwards from the top of the bracket 10, the air temperature of the upper part of the evaporator is obviously higher than that of the lower part of the evaporator, and in the prior art, a plurality of inlets and outlets of cooling liquid are arranged in the evaporator, so that the heat exchange efficiency of the upper part of the evaporator is high, and the lower part of the evaporator is low due to the fact that the high temperature gas or liquid is cooled, so that the resource waste is caused.

According to the utility model, the directional circulation supply of the cooling liquid is realized by reducing the inlet and outlet of the cooling liquid, so that the controllability is improved; the water inlet of the cooling liquid is arranged below the evaporator, the water outlet of the cooling liquid is arranged above the evaporator, so that the cooling liquid is supplied from bottom to top, the overall cooling level of the evaporator is uneven due to the heat in the cooling liquid absorption environment in the supplying process, and the temperature of the upper half part of the evaporator is higher than that of the lower half part, namely the temperature of the coil 20 near the water outlet 29 is higher than that of the coil 20 near the water inlet 28 under normal conditions.

During operation, the high-temperature gas or liquid is sprayed into the evaporator from the top of the evaporator, the high-temperature gas or liquid firstly contacts with the coil pipes 20 close to the water outlet 29 and exchanges heat, preliminary cooling is achieved, then the high-temperature gas or liquid passes through the plurality of coil pipes 20 and continuously reduces the temperature, and finally the high-temperature gas or liquid contacts with the coil pipes 20 close to the water inlet 28 and exchanges heat, and final cooling is achieved.

In the process that the high-temperature gas or liquid passes through the evaporator, the heat absorption temperature difference between the upper part and the lower part of the evaporator is consistent with the cooling temperature difference in the process that the high-temperature gas or liquid is cooled, the lower the temperature is, so that the heat exchange of the high-temperature gas or liquid in the process that the high-temperature gas or liquid passes through the evaporator is uniform, the influence of the temperature difference on equipment is further reduced, the service life of the equipment is prolonged, and meanwhile, the cooling liquid in the coil 20 is required to be discharged into a back compressor (not shown) no matter whether heat absorption is completed or not, and releases heat and is recompressed.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. An automatic water circulation dry-wet combined evaporator comprises a bracket (10) and a plurality of coils (20) which are symmetrically arranged and are positioned between the brackets (10), wherein the coils (20) are uniformly arranged from top to bottom, and cooling liquid is filled in the coils (20), the automatic water circulation dry-wet combined evaporator is characterized in that the coils (20) comprise straight pipe parts and bent pipe parts, a plurality of radiating fins (21) are arranged on the straight pipe part of the coil pipe (20), a fixed block (24) is arranged on the bent pipe part of the coil pipe (20), the fixed block (24) is connected to the bent pipe part of the coil pipe (20) in a clamping way, and the fixed block (24) is connected to the bracket (10) in a matching way; the coils (20) are communicated with each other, a water inlet (28) is formed in the coil (20) positioned at the bottom of the bracket (10), and a water outlet (29) is formed in the coil (20) positioned at the top of the bracket (10).

2. The automatic water circulation combined wet and dry evaporator according to claim 1, wherein a communication valve (23) is arranged between two adjacent coils (20), two communication valves (23) are arranged on one coil (20) and the communication valves (23) are arranged on two sides of the coil (20), and the two communication valves (23) are respectively communicated with the two coils (20) adjacent to the coil (20).

3. The automatic water circulation dry-wet combined evaporator according to claim 1, wherein the fixed block (24) is of a square block structure, a curved groove (25) is formed in the fixed block (24), the curved groove (25) is consistent with the curved pipe part outline of the coil pipe (20), and the curved pipe part of the coil pipe (20) is connected in the curved groove (25) in a matching way.

4. An automatic water circulation combined wet and dry evaporator according to claim 3, characterized in that two fixing blocks (24) are installed on the bent pipe part of one coil pipe (20), and the two fixing blocks (24) are oppositely arranged and connected into a whole through threads.

5. The automatic water circulation combined wet and dry evaporator according to claim 4, wherein the bracket (10) is provided with a groove (26), two opposite fixed blocks (24) are connected in the groove (26) in a matching way, and the fixed blocks (24) are connected on the bracket (10) in a threaded way.

6. The automatic water circulation combined wet and dry evaporator according to claim 1, wherein the heat dissipation fins (21) are uniformly distributed around the axis of the coil pipe (20), and a plurality of heat dissipation holes (22) are uniformly formed in the heat dissipation fins (21).

7. An automatic water circulation combined wet and dry evaporator according to claim 1, characterized in that the cooling liquid is introduced from a water inlet (28) and discharged from a water outlet (29).

8. The automatic water circulation combined wet and dry evaporator according to claim 7, wherein the temperature of the coil (20) near the water outlet (29) is higher than the temperature of the coil (20) near the water inlet (28).