Closed water circulation multistage evaporation cooling tower

Abstract

The utility model discloses a closed water circulation multistage evaporation cooling tower, including: tower body and setting in the water tank, primary evaporation cooling mechanism, secondary evaporation cooling mechanism, sealed water tank and circulating water pump of tower body, wherein, primary evaporation cooling mechanism, water tank, secondary evaporation cooling mechanism, sealed water tank and heating equipment are connected gradually and form double -stage evaporation cooling path, and through circulating water pump realizes pressurization circulation, adopts double -stage evaporation high -efficient cooling structure, and through primary evaporation cooling mechanism (water screen cooling structure) and secondary evaporation cooling mechanism (fin evaporator) form collaborative cooling mechanism, compared with traditional single -stage evaporation design, this double -stage cooling mode improves heat exchange efficiency greatly, can quickly reduce high temperature water to normal temperature, and fully satisfies the core demand of high heat load equipment to fast, depth cooling, guarantees equipment stable operation.

Description

Technical Field

[0001] This utility model belongs to the field of cooling tower technology and relates to a closed-loop water circulation multi-stage evaporative cooling tower. Background Technology

[0002] In the field of industrial cooling equipment technology, evaporative cooling towers are key devices that achieve heat exchange through the principle of water evaporation and heat absorption. They cool the high-temperature water discharged from high-heat-load equipment (such as heat-generating units in industrial production and precision machining equipment), thereby ensuring the stable operation of the equipment. They are widely used in many industrial fields such as chemical, mechanical, and electronic industries.

[0003] Most evaporative cooling towers used in current industrial applications are single-stage evaporation designs, achieving evaporative cooling through a single contact between water and air. This results in low heat exchange efficiency, making it difficult to meet the demands of high-heat-load equipment in current industrial production for rapid and deep cooling. Consequently, equipment operating efficiency often declines due to untimely cooling, and sometimes even temporary shutdowns occur, affecting the continuity and stability of industrial production. Utility Model Content

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] A closed-loop water-circulating multi-stage evaporative cooling tower includes: a tower body and a water tank installed inside the tower body, a primary evaporative cooling mechanism, a secondary evaporative cooling mechanism, a sealed water tank, and a circulating water pump;

[0006] The primary evaporative cooling mechanism, water tank, secondary evaporative cooling mechanism, sealed water tank and heating equipment are sequentially connected to form a two-stage evaporative cooling path, and pressurized circulation is achieved through a circulating water pump.

[0007] The primary evaporative cooling mechanism is a water curtain cooling structure, including: multiple sets of water curtain walls installed at the top of the water tank and an exhaust fan installed at the top of the tower.

[0008] The secondary evaporative cooling mechanism is a finned evaporator, which is connected to the water tank and the sealed water tank through connecting pipes.

[0009] As a further embodiment of this utility model: the sealed water tank is designed as a sealed water tank structure, and is connected to the secondary evaporation cooling mechanism and the heating device only through a connecting pipe.

[0010] As a further embodiment of this utility model: the finned evaporator of the two-stage evaporation cooling mechanism adopts a water flow path extension structure.

[0011] The beneficial effects of this utility model are:

[0012] 1. It adopts a two-stage evaporation high-efficiency cooling structure, which forms a synergistic cooling mechanism through the first-stage evaporation cooling mechanism (water curtain cooling structure) and the second-stage evaporation cooling mechanism (finned evaporator). Compared with the traditional single-stage evaporation design, this two-stage cooling mode greatly improves heat exchange efficiency and can quickly reduce high-temperature water to room temperature, fully meeting the core requirements of high heat load equipment for rapid and deep cooling and ensuring stable operation of the equipment.

[0013] 2. Adopting a closed-loop design, a closed water circulation system is constructed through a sealed water tank. The cooling water is isolated from the outside air during the circulation process, effectively avoiding the water pollution problems of traditional open systems, reducing component corrosion and blockage failures caused by pollution, reducing equipment maintenance frequency and costs, and extending the service life of the cooling tower.

[0014] 3. It adopts an integrated structural design, with all core components (water tank, dual-stage evaporation mechanism, sealed water tank, etc.) integrated into the tower body, resulting in a compact structure that can adapt to cooling applications in different scenarios. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0016] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. It should be understood that this application is not limited to the exemplary embodiments disclosed herein. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0017] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0018] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0019] In the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0020] This utility model provides a reference. Figure 1 The present invention discloses a closed-loop water-circulating multi-stage evaporative cooling tower. In the embodiment, it includes: a tower body 3 and a water tank 5 disposed in the tower body 3, a primary evaporative cooling mechanism 1, a secondary evaporative cooling mechanism 4, a sealed water tank 2, and a circulating water pump 6.

[0021] The primary evaporative cooling mechanism 1, water tank 5, secondary evaporative cooling mechanism 4, sealed water tank 2, and external heating equipment are sequentially connected to form a two-stage evaporative cooling path, and pressurized circulation is achieved through circulating water pump 6.

[0022] During operation, the circulating water pump 6 drives the water flow, so that the high-temperature water discharged from the heating equipment first enters the primary evaporation and cooling mechanism 1. The primary evaporation and cooling mechanism 1 performs preliminary evaporation and cooling on the high-temperature water, and then it enters the water tank 5. From the water tank 5, it enters the secondary evaporation and cooling mechanism 4 for secondary evaporation and cooling, and the resulting room-temperature water is collected in the sealed water tank 2 for isolated storage and is used by the indoor heating equipment.

[0023] The primary evaporative cooling mechanism 1 is a water curtain cooling structure, including: a complex array of water curtain walls 13 installed at the upper end of the water tank 5 and an exhaust fan 11 installed at the top of the tower body 3;

[0024] High-temperature water is fed in from the top of the water curtain wall 13. The water distributor 12 of the water curtain wall 13 makes the high-temperature water enter the water curtain wall 13 evenly. The high-temperature water flows from top to bottom along the water curtain wall 13, forming a continuous water film or fine water flow, which greatly increases the contact area with the air.

[0025] At the same time, the exhaust fan 11 at the top of the tower body 3 starts, creating a negative pressure environment inside the tower body 3, driving external air (from the side of the tower body 3) to quickly pass through the water film / flow on the surface of the water curtain wall 13; during this process, some of the high-temperature water absorbs heat and evaporates into water vapor, which is discharged from the tower body 3 by the exhaust fan 11 along with the flowing air, thereby taking away a large amount of heat from the high-temperature water, significantly reducing the temperature of the high-temperature water passing through the water curtain wall 13, and completing the initial evaporation cooling; the water that has been initially cooled enters the water tank 5 under the action of gravity, waiting for the next stage of the cooling process.

[0026] The secondary evaporation cooling mechanism 4 is a finned evaporator, which is connected to the water tank 5 and the sealed water tank 2 through connecting pipes. The water in the water tank 5, after initial cooling, will enter the finned evaporator through the connecting pipe for secondary evaporation cooling. Furthermore, the secondary cooling pipeline of the water tank 5, the finned evaporator, and the sealed water tank 2 adopts a closed-loop conveying structure, which can effectively prevent the room temperature water in the sealed water tank 2 from contacting the outside air, thus realizing a closed-loop water circulation system structure.

[0027] Furthermore, the sealed water tank 2 is designed to be connected only to the secondary evaporation cooling mechanism 4 (for room temperature water) and the heating device (for room temperature water supply) via connecting pipes; thus isolating the room temperature water in the sealed water tank 2 from the outside air, forming a closed water circulation system.

[0028] Furthermore, the finned evaporator of the secondary evaporation cooling mechanism 4 adopts a water flow path extension structure, which enables the water in the finned evaporator to fully exchange heat with the cooling medium.

[0029] It should also be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0030] The above description of the disclosed embodiments enables those skilled in the art to make or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A closed-loop water-circulating multi-stage evaporative cooling tower, characterized in that, include: The tower body, as well as the water tank, primary evaporative cooling mechanism, secondary evaporative cooling mechanism, sealed water tank, and circulating water pump installed inside the tower body; The primary evaporative cooling mechanism, water tank, secondary evaporative cooling mechanism, sealed water tank and external heating equipment are sequentially connected to form a two-stage evaporative cooling path, and pressurized circulation is achieved through a circulating water pump. The primary evaporative cooling mechanism is a water curtain cooling structure, including: multiple sets of water curtain walls installed at the top of the water tank and an exhaust fan installed at the top of the tower. The secondary evaporative cooling mechanism is a finned evaporator, which is connected to the water tank and the sealed water tank through connecting pipes.

2. The closed-loop water-circulating multi-stage evaporative cooling tower according to claim 1, characterized in that, The sealed water tank is designed with a sealed structure and is connected to the secondary evaporation cooling mechanism and heating equipment only through connecting pipes.

3. The closed-loop water-circulating multi-stage evaporative cooling tower according to claim 1, characterized in that, The finned evaporator of the two-stage evaporation cooling mechanism adopts a structure with an extended water flow path.

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