CN115435608A - A self-supporting giant cooling triangular structure for a natural ventilation cooling system - Google Patents

Abstract

The invention discloses a self-supporting giant cooling triangular structure of a natural ventilation cooling system, which comprises: two sets of heat transfer mechanism and truss, it is two sets of heat transfer mechanism with the truss connects gradually to form the triangle structure and distribute, each group heat transfer mechanism all includes an at least heat transfer component of a set of, each group heat transfer component includes a plurality of heat transfer pipelines, and one of them is a set of heat transfer mechanism's a plurality of heat transfer pipeline is equidistant along the first direction and distributes, another group heat transfer mechanism's a plurality of heat transfer pipeline is followed the second direction is equidistant distribution, each heat transfer pipeline's cross section all is the setting of waist shape form. The invention not only improves the support stability and safety, reduces the material consumption and cost input cost of steel, but also has simple and quick field installation and improves the installation efficiency.

Description

A self-supporting giant cooling triangular structure for a natural ventilation cooling system

technical field

The invention relates to the technical field of cooling tower cooling devices, in particular to a self-supporting giant cooling triangular structure of a natural ventilation cooling system.

Background technique

At present, most of the natural ventilation cooling systems under construction and put into operation on cooling towers in the market are equipped with cooling triangles made of aluminum tube bundles, and water is used as the cooling medium. Therefore, the antifreeze pressure of the tube bundles during operation in cold winter weather will be huge, causing serious frost damage. Accidents often occur. At the same time, due to the weak structural rigidity of the aluminum tube bundle, it is necessary to configure a cooling triangular frame as an anti-lateral force system to ensure the stability and safety of the aluminum tube bundle, which greatly increases the construction and input costs of the cooling system.

Contents of the invention

Aiming at the above-mentioned problems existing in the existing cooling system, the aim is to provide a self-supporting giant cooling triangular structure of a natural ventilation cooling system with high stability and safety, good heat dissipation effect and low cost.

The specific technical scheme is as follows:

A self-supporting giant cooling triangular structure of a natural ventilation cooling system, comprising: two sets of heat exchange mechanisms and support trusses, the two sets of heat exchange mechanisms are sequentially connected to the support trusses, and form a triangular structure distribution;

Each set of heat exchange mechanisms includes at least one set of heat exchange assemblies, each set of heat exchange assemblies includes several heat exchange pipes, and several heat exchange pipes are vertically arranged, one set of heat exchange assemblies The plurality of heat exchange pipes of the mechanism are distributed at equal intervals along the first direction, and the plurality of heat exchange pipes of the other group of heat exchange mechanisms are distributed at equal intervals along the second direction, and each of the heat exchange pipes The cross-sections are set in a waist shape.

As a further improvement and optimization of this solution, the width direction of the cross-section of the heat exchange pipes in one set of heat exchange mechanisms is parallel to the first direction, and the width direction of the cross section of the heat exchange pipes in another set of heat exchange mechanisms The width direction of the cross section of the heat exchange pipe is parallel to the second direction.

As a further improvement and optimization of this solution, an angle is formed between the first direction and the second direction, and the angle is an acute angle.

As a further improvement and optimization of this solution, the two sets of heat exchange mechanisms and the support trusses are distributed in an equilateral triangle.

As a further improvement and optimization of this solution, each group of heat exchange components also includes an upper header and a lower header, the upper ends of the plurality of heat exchange pipes in the group communicate with the upper header, and the plurality of heat exchange pipes in the group communicate with the upper header. The lower end of the heat pipe communicates with the lower header.

As a further improvement and optimization of this solution, each of the heat exchange components also includes two tube sheets, and the upper ends of the plurality of heat exchange pipes in the group communicate with the upper header of the group through one of the tube sheets. The lower ends of several heat exchange pipes communicate with the set of lower headers through another tube sheet.

As a further improvement and optimization of this solution, each set of heat exchange mechanisms includes at least two sets of heat exchange assemblies, the two sets of heat exchange assemblies are fixedly connected along the vertical direction, and the heat exchange assemblies located below The bottom of the lower header is provided with a leg structure.

As a further improvement and optimization of this solution, the lower header in the upper heat exchange assembly is fixedly connected to the upper header in the lower heat exchange assembly through several supports.

As a further improvement and optimization of this solution, cooling fins are provided on the outside of each heat exchange pipe.

As a further improvement and optimization of this solution, shutters are provided on the support truss to control the air volume entering the cooling tower.

Compared with the prior art, the above-mentioned technical solution has the following positive effects:

(1) In the present invention, the two sets of heat exchange mechanisms and the supporting truss form a triangular structure distribution, and the lateral force resistance performance of the triangular stable body is used to bear horizontal loads such as wind load, earthquake load, etc., and there is no need to use additional cooling triangular frames for support and fixation , Realize the function of self-support, not only the support stability and safety are high, the cost of steel consumables and cost input is reduced, but also the on-site installation is simple and fast, and the installation efficiency is improved.

(2) In the present invention, the compressive capacity of the heat exchange tube bundle is used to bear the vertical loads such as the self-weight of the structure, the self-weight of the equipment, and the live load, which further improves the support strength and reduces the consumables required for support.

(3) In the present invention, the heat exchange pipe adopts an elliptical tube structure. When slight freezing damage occurs, the elliptical structure tube bundle can release the freezing stress through slight deformation, thereby avoiding the phenomenon of tube bundle freezing damage and improving the safety performance of the equipment.

(4) In the present invention, the width direction of the cross section of the heat exchange pipes in one group of heat exchange mechanisms is parallel to the first direction, and the width direction of the cross section of the heat exchange pipes in the other group of heat exchange mechanisms is parallel to the second direction Parallel, the length of the air channel formed between two adjacent heat exchange pipes is increased, which improves the heat exchange stroke of the incoming air between the pipes and greatly improves the heat exchange effect.

Description of drawings

Fig. 1 is a top view of a self-supporting giant cooling triangular structure of a natural ventilation cooling system of the present invention;

Fig. 2 is a structural schematic diagram of a heat exchange mechanism of a self-supporting giant cooling triangular structure of a natural ventilation cooling system of the present invention;

Fig. 3 is a side view of the heat exchange mechanism of a self-supporting giant cooling triangular structure of a natural ventilation cooling system of the present invention;

Fig. 4 is a structural schematic diagram of a heat exchange assembly of a self-supporting giant cooling triangular structure of a natural ventilation cooling system of the present invention;

Fig. 5 is a structural schematic diagram of a heat exchange pipe of a self-supporting giant cooling triangular structure of a natural ventilation cooling system of the present invention;

Fig. 6 is a side view of a heat exchange pipe of a self-supporting giant cooling triangular structure of a natural ventilation cooling system of the present invention;

Fig. 7 is a schematic diagram of the installation of the tube sheet and the heat exchange pipe of the self-supporting giant cooling triangular structure of the natural ventilation cooling system of the present invention;

In the attached drawings: 1. Heat exchange mechanism; 2. Support truss; 3. Shutters; 11. Heat exchange assembly; 12. Foot structure; 13. Support; 111. Heat exchange pipe; 112. Upper header; Box; 114, tube sheet; 115, cooling fins.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

Fig. 1 is a structural schematic diagram of a self-supporting giant cooling triangular structure of a natural ventilation cooling system of the present invention, Fig. 2 is a structural schematic diagram of a heat exchange fin of a self-supporting giant cooling triangular structure of a natural ventilation cooling system of the present invention, and Fig. 3 is the present invention Invention of a side view of the heat exchange fins of a self-supporting giant cooling triangular structure of a natural ventilation cooling system, Figure 4 is a structural schematic diagram of the heat exchange unit of a self-supporting giant cooling triangular structure of a natural ventilation cooling system of the present invention, Figure 5 is the present invention Invention of a structural schematic diagram of a heat exchange tube bundle of a self-supporting giant cooling triangular structure of a natural ventilation cooling system, Figure 6 is a side view of a heat exchange tube bundle of a self-supporting giant cooling triangular structure of a natural ventilation cooling system of the present invention, Figure 7 is the present invention Invention of a natural ventilation cooling system self-supporting giant cooling triangular structure of the installation diagram of the tube sheet and heat exchange pipes, as shown in Figure 1 to Figure 7, showing a preferred embodiment of a natural ventilation cooling system self- Support the giant cooling triangular structure, including: two sets of heat exchange mechanism 1 and support truss 2, two sets of heat exchange mechanism 1 and support truss 2 are connected in turn to form a triangular structure distribution;

Each set of heat exchange mechanisms 1 includes at least one set of heat exchange assemblies 11, and each set of heat exchange assemblies 11 includes several heat exchange pipes 111, wherein the several heat exchange pipes 111 of one set of heat exchange mechanisms 1 are in the same shape along the first direction. The heat exchange pipes 111 of the other group of heat exchange mechanisms 1 are equally spaced along the second direction, and the cross-section of each heat exchange pipe 111 is arranged in a waist shape.

In this embodiment, the two heat exchange components 11 and the supporting truss 2 form a triangular structure distribution, and use the lateral force resistance performance of the triangular stable body to bear horizontal loads such as wind load, earthquake load, etc., without additionally using a cooling triangular frame for support and fixation. Realizing the self-supporting function not only supports high stability and safety, reduces the cost of steel consumables and cost input, but also is easy and fast to install on site, improving installation efficiency.

In this embodiment, the heat exchange pipe 111 adopts an elliptical tube structure. When a slight freezing damage occurs, the elliptical structure tube bundle can release the freezing stress through slight deformation, thereby avoiding the occurrence of freezing damage to the tube bundle and improving the safety performance of the equipment.

As a further improvement and optimization of this solution, the width direction of the cross-section of the heat exchange pipes 111 in one group of heat exchange mechanisms 1 is parallel to the first direction, and the cross-section of the heat exchange pipes 111 in another group of heat exchange mechanisms 1 The width direction is parallel to the second direction, and the length of the air passage formed between two adjacent heat exchange pipes 111 is increased, which improves the heat exchange stroke of the incoming air between the pipes, and greatly improves the heat exchange effect.

As a further improvement and optimization of this solution, an angle is formed between the first direction and the second direction, and the angle is an acute angle.

As a further improvement and optimization of this solution, the two sets of heat exchange mechanisms 1 and the supporting trusses 2 are distributed in an equilateral triangle.

As a further improvement and optimization of this solution, each group of heat exchange components 11 also includes an upper header 112 and a lower header 113, the upper ends of the group of several heat exchange pipes 111 communicate with the upper header 112, and the group of several heat exchange pipes 111 The lower end communicates with the lower header 113.

As a further improvement and optimization of this solution, each heat exchange assembly 11 also includes two tube sheets 114, and the upper ends of the group of several heat exchange pipes 111 communicate with the reorganized upper header 112 through one of the tube sheets 114. The lower end of the pipe 111 communicates with the set of lower headers 113 through another tube plate 114 .

As a further improvement and optimization of this solution, each set of heat exchange mechanisms 1 includes at least two sets of heat exchange assemblies 11, the two sets of heat exchange assemblies 11 are fixedly connected in the vertical direction, and the lower header in the lower heat exchange assembly 11 The bottom of 113 is provided with support leg structure 12 .

As a further improvement and optimization of this solution, the lower header 113 in the upper heat exchange assembly 11 is fixedly connected to the upper header 112 in the lower heat exchange assembly 11 through several supports 13 .

In this embodiment, the compressive capacity of several heat exchange pipes 111 is used to bear the vertical loads such as the self-weight of the structure, the self-weight of the equipment, and the live load, which further improves the support strength and reduces the consumables required for support.

Preferably, a plurality of supports 13 are arranged at equal intervals along the length direction of the upper header 112 .

As a further improvement and optimization of this solution, each heat dissipation pipe is provided with heat dissipation fins 115 to increase the contact area with the air and further improve the heat exchange effect of the heat exchange pipes 111 .

Preferably, the cooling fins 115 are made of aluminum.

Preferably, the cooling fins 115 are fixed on the outside of the heat exchange pipe 111 by welding.

As a further improvement and optimization of this solution, shutters 3 are provided on the supporting trusses 2 to control the air volume entering the cooling tower.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the implementation and protection scope of the present invention. For those skilled in the art, they should be able to realize that all equivalents made by using the description and illustrations of the present invention The solutions obtained by replacement and obvious changes shall all be included in the protection scope of the present invention.

Claims (10)

1. A self-supporting giant cooling triangular structure of a natural ventilation cooling system is characterized by comprising: the heat exchange device comprises two groups of heat exchange mechanisms and a support truss, wherein the two groups of heat exchange mechanisms are sequentially connected with the support truss to form triangular structural distribution;

each group heat transfer mechanism all includes an at least a set of heat transfer subassembly, and each group heat transfer subassembly includes a plurality of heat transfer pipeline, and is a plurality of heat transfer pipeline all is vertical setting, wherein a plurality of heat transfer mechanism is equidistant along the first direction and distributes, another group heat transfer mechanism a plurality of heat transfer pipeline is equidistant along the second direction is equidistant, each heat transfer pipeline's cross section all is waist shape and sets up.

2. The self-supporting giant cooling triangular structure of the natural draft cooling system of claim 1, wherein the width direction of the cross section of the heat exchange tubes in one set of the heat exchange mechanisms is parallel to the first direction, and the width direction of the cross section of the heat exchange tubes in the other set of the heat exchange mechanisms is parallel to the second direction.

3. The natural draft cooling system self supporting mega cooling delta structure as claimed in claim 2, wherein said first direction and said second direction form an angle therebetween, said angle being an acute angle.

4. The self-supporting giant cooling triangular structure of the natural draft cooling system of claim 3, wherein the two sets of heat exchange mechanisms are distributed in an equilateral triangle with the supporting truss.

5. The self-supporting giant cooling triangular structure of the natural draft cooling system of claim 4, wherein each set of the heat exchange assemblies further comprises an upper header and a lower header, the upper ends of the heat exchange tubes of the set of the heat exchange assemblies are communicated with the upper header of the set of the heat exchange assemblies, and the lower ends of the heat exchange tubes of the set of the heat exchange assemblies are communicated with the lower header of the set of the heat exchange assemblies.

6. The self-supporting giant cooling triangular structure of the natural draft cooling system of claim 5, wherein each set of the heat exchange assemblies further comprises two tube plates, the upper ends of the heat exchange tubes of the set of the heat exchange assemblies are communicated with the upper header of the set through one of the tube plates, and the lower ends of the heat exchange tubes of the set of the heat exchange assemblies are communicated with the lower header of the set through the other tube plate.

7. The self-supporting giant cooling triangular structure of the natural draft cooling system of claim 6, wherein each set of the heat exchange mechanism comprises at least two sets of the heat exchange assemblies, and the two sets of the heat exchange assemblies are fixedly connected in a vertical direction.

8. The natural draft cooling system self-supporting giant cooling triangular structure of claim 7, wherein the lower header of the heat exchanging assembly located above is fixedly connected with the upper header of the heat exchanging assembly located below through a plurality of supports, and a support leg structure is provided at the bottom of the lower header of the heat exchanging assembly located below.

9. The natural draft cooling system self supporting giant cooling delta structure of claim 1, wherein each of said heat exchange tubes has heat dissipating fins on the outside thereof.

10. The self-supporting giant cooling triangular structure of the natural draft cooling system of claim 1, wherein the supporting truss is provided with a louver for controlling the amount of air entering the cooling tower.

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