EP-4737837-A1 - COOLING TOWER SYSTEM

EP4737837A1EP 4737837 A1EP4737837 A1EP 4737837A1EP-4737837-A1

Abstract

A cooling tower system, comprising: a first cooling circulation system, the first cooling circulation system comprising a first heat dissipation part and a first heat absorption part communicated with each other; a second cooling circulation system, the second cooling circulation system comprising a second heat dissipation part and a second heat absorption part communicated with each other, and the first heat absorption part and the second heat absorption part being used for absorbing heat of the same object; and a cooling tower, the first heat dissipation part and the second heat dissipation part being both arranged on the cooling tower and sharing a cooling air duct, at least one first heat dissipation part being a wet-cooling heat dissipation part, and at least one second heat dissipation part being a dry-cooling heat dissipation part. Sharing the air duct facilitates a compact structure, and enables a single device to obtain a larger air volume, so as to avoid heat concentration, accordingly separately achieving better heat dissipation effects. Even if the two are used at the same time, because the mutual interference influence of dry cooling and wet cooling is very small, sharing the air duct can better ensure the air volume on the contrary. Therefore, the plurality of cooling circulation systems in the cooling tower system can better coordinate to work.

Inventors

LIU, XIANG
SONG, BIN
Chen, Yunwei
WU, GANG
WU, YE

Assignees

Shenzhen Envicool Technology Co., Ltd

Dates

Publication Date: 20260506
Application Date: 20240513

Claims (10)

A cooling tower system, comprising: a first cooling circulation system; a second cooling circulation system; and a cooling tower, wherein the first cooling circulation system comprises at least one first heat dissipation absorption section and a first heat absorption section, which are in communication; the second cooling circulation system comprises at least one second heat dissipation section and a second heat absorption section, which are in communication, wherein the first heat absorption section and the second heat absorption section are configured to absorb heat from a same object; and the at least one first heat dissipation section and the at least one second heat dissipation section are located in the cooling tower and share a cooling air duct, the at least one first heat dissipation section is configured as a wet-cool heat dissipation section, and the at least one second heat dissipation section is configured as a dry-cool heat dissipation section.
The cooling tower system according to claim 1, wherein a heat exchange efficiency of a refrigerant in the first cooling circulation system is set lower than a heat exchange efficiency of a refrigerant in the second cooling circulation system.
The cooling tower system according to claim 1, wherein the first cooling circulation system is configured as a water cooling circulation system and the second cooling circulation system is configured as a mechanical refrigeration system.
The cooling tower system according to claim 3, wherein a density of a heat exchange structure of the at least one first heat dissipation section is lower than a density of a heat exchange structure of the at least one second heat dissipation section.
The cooling tower system according to claim 3 or 4, wherein the first heat absorption section and the second heat absorption section are configured to share an air duct.
The cooling tower system according to claim 5, wherein the first heat absorption section is located upstream of the second heat absorption section in the air duct.
The cooling tower system according to any one of claims 1 to 4, further comprising a heat exchange system, wherein a heat dissipation section of the heat exchange system is in thermal contact with both the first heat absorption section and the second heat absorption section, and a heat absorption section of the heat exchange system is configured to be in contact with a heat source.
The cooling tower system according to claim 7, wherein the heat exchange system is configured as a water cooling system.
The cooling tower system according to any one of claims 1 to 4, wherein a fan is provided for each of the first heat absorption section and the second heat absorption section to accelerate flow of air.
The cooling tower system according to any one of claims 1 to 4, wherein the cooling tower comprises two cooling air ducts, which are arranged in parallel and have two air inlets arranged opposite to each other; and the first cooling circulation system has two first heat dissipation sections respectively arranged at the air inlets of the two cooling air ducts, and the second cooling circulation system has two second heat dissipation sections respectively arranged in the two cooling air ducts.

Description

The present application claims the priority to Chinese Patent Application No. 202310782009.1, titled "COOLING TOWER SYSTEM", filed with the China National Intellectual Property Administration on June 28 2023, the entire disclosure of which is incorporated herein by reference. FIELD The present application relates to the technical field of cooling, and in particular to a cooling tower system. BACKGROUND Generally, in an existing cooling tower system, one single medium is applied in the cooling structure having an independent volumetric space. In case of a system having both a water circulation loop and a refrigerant circulation loop or in case of multiple systems that cooperate with each other, spaces occupied by the individual loops or systems are independent and separate, which has the advantages of simple arrangement and easy operation and installation. However, with the increasing requirements in terms of space utilization, performance and cost, there is currently no better solution to achieve a high heat exchanging efficiency while ensuring a high performance in a small space. Therefore, it is desired for those skilled in the art to effectively improve the cooperative operation performance of multiple systems of the cooling tower system. SUMMARY In view of above, an object of the present application is to provide a cooling tower system, which can effectively improve cooperative operation performance of multiple systems of the cooling tower system. In order to achieve the object, there are provided in the present application the following technical solutions. A cooling tower system includes a first cooling circulation system, a second cooling circulation system, and a cooling tower. The first cooling circulation system includes at least one first heat dissipation section and a first heat absorption section, which are in communication. The second cooling circulation system includes at least one second heat dissipation section and a second heat absorption section, which are in communication. The first heat absorption section and the second heat absorption section are configured to absorb heat from a same object. The at least one first heat dissipation section and the at least one second heat dissipation section are located in the cooling tower and share a cooling air duct. The at least one first heat dissipation section is configured as a wet-cool heat dissipation section, and the at least one second heat dissipation section is configured as a dry-cool heat dissipation section. In the above cooling tower system, multiple cooling circulation systems are provided, and the cooling tower is provided with a dry zone where dry cooling is performed in one cooling circulation system and a wet zone where wet cooling is performed in another cooling circulation system. The dry cooling and the wet cooling may be used in different environmental conditions, respectively. The dry cooling has a better cooling effect when the ambient temperature is relatively low and the wet cooling has a better cooling effect when the ambient temperature is relatively high. Further, the dry-cool circulation system and the wet-cool circulation system may be used in different ways depending on different conditions. Therefore, when sharing the air duct, the dry-cool circulation system and the wet-cool circulation system are used at different times in some situations. Especially in some environments, the dry-cool circulation system and the wet-cool circulation system are used at different times in most cases, so that the dry-cool circulation system and the wet-cool circulation system cannot interfere with each other. Meanwhile, the air duct is shared, which is beneficial for a compact structure, and a large air rate is available for one of the systems so as to avoid heat concentration, thereby achieving a better heat dissipation effect. Even if the dry-cool circulation system and the wet-cool circulation system are used simultaneously, since the mutual interference between the dry cooling and the wet cooling is very small, it can further ensure an air rate especially when the air duct is shared. As such, multiple cooling circulation systems in the cooling tower system can cooperate well. Therefore, the cooling tower system can effectively address the issue of poor cooperative operation performance of multiple systems of the conventional cooling tower system. In some solutions, a heat exchange efficiency of a refrigerant in the first cooling circulation system is set lower than a heat exchange efficiency of a refrigerant in the second cooling circulation system. In some solutions, the first cooling circulation system is configured as a water cooling circulation system and the second cooling circulation system is configured as a mechanical refrigeration system. In some solutions, a density of a heat exchange structure of the at least one first heat dissipation section is lower than a density of a heat exchange structure of the at least one seco