Air cooling system header tail end thrust device

By designing a thrust stop device at the end of the header in the air-cooling system and using a combination of a triangular platform, a support rod and a fixed rod, the problem of tube bundle damage caused by the displacement difference between the upper and lower headers was solved, achieving structural stability and wide applicability.

CN223412562UActive Publication Date: 2025-10-03SHANGHAI ELECTRIC-SPX ENG & TECH CO LTD
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Patent Information

Application Number
CN202422714929.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-10-03
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

In thermal power plants in water-poor and coal-rich areas, the tube bundles of the W-type air-cooling system are easily damaged in the weak axis direction due to the displacement difference between the upper and lower headers under wind loads or earthquakes.

Method used

A thrust stop device for the end of the header of an air-cooling system is designed. It includes an end wall and a thrust stop assembly, which are connected by a combination of a triangular platform, a support rod and a fixed rod to limit the relative displacement of the upper header and the lower header and provide a thrust stop.

Benefits of technology

It effectively avoids the asynchronous displacement difference between the upper and lower headers, prevents the tube bundle from being damaged, has a simple structure and strong stability, and has a wide range of applications.

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Abstract

The utility model discloses an air cooling system header tail end thrust device which comprises an end wall piece, an upper header, a lower header and a thrust block. The at least one thrust assembly is used for connecting the end wall piece and the lower header; the thrust assembly comprises a triangular table which is connected to the lower end of the end wall piece and connected with the lower header. One ends of the two supporting rods are respectively connected with the triangular table, and the other ends of the two supporting rods are respectively connected with the upper end of the end wall piece; the middle of each supporting rod is connected with one end of the corresponding first fixing rod, and the other end of each fixing rod is connected with the middle of the corresponding end wall piece. Through the application of the header tail end thrust device suitable for the W-type direct air cooling system, the asynchronous displacement difference generated between the upper header and the lower header can be effectively avoided particularly, so that the thrust effect is achieved, and a pipe bundle of the air cooling system is prevented from being damaged; the device is simple in structure, high in stability and wide in application range.
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Description

Technical Field

[0001] The utility model relates to the technical field of air cooling equipment structure in power plants, in particular to an air cooling system header end thrust device. Background Art

[0002] Currently, a large number of thermal power plants are commonly located in areas with a high abundance of coal and limited water resources, thereby conserving water resources. At the same time, air cooling technology is often used to cool key locations within thermal power plants.

[0003] Conventional air cooling systems often employ a W-shaped structure, where the tube bundle serves as a load-bearing component, supporting the fan unit and the upper steel structure platform. However, under the influence of horizontal forces from wind loads or earthquakes, the upper header at the top of the tube bundle displaces more than the lower header at the bottom, making the tube bundle susceptible to damage along its weak axis. Utility Model Content

[0004] In view of this, in order to solve the above problems, the purpose of the present invention is to provide an air cooling system header end thrust device, comprising:

[0005] An end wall member, the end wall member being arranged on an upper header box;

[0006] at least one thrust assembly, the thrust assembly being used to connect the end wall member and a lower header;

[0007] Wherein, the thrust assembly comprises:

[0008] A triangular platform connected to the lower end of the end wall member and connected to the lower connecting box;

[0009] Two support rods, one end of each of the support rods is connected to the triangular platform, and the other end of each of the support rods is connected to the upper end of the end wall member;

[0010] Two first fixing rods, the middle part of each support rod is connected to one end of the first fixing rod, and the other end of each fixing rod is connected to the middle part of the end wall member.

[0011] In another preferred embodiment, it further comprises: a second fixing rod, wherein both ends of the second fixing rod are respectively connected to one end of the two first fixing rods and / or the middle of the support rod.

[0012] In another preferred embodiment, it further includes: two third fixing rods, one end of each of the third fixing rods is connected to the middle part of the second fixing rod, and the other end of each of the third fixing rods is connected to the other end of one of the first fixing rods or the end wall member.

[0013] In another preferred embodiment, the upper inner portion of the triangular platform is connected to the end wall member, and the lower inner portion of the triangular platform is connected to the lower connecting box.

[0014] In another preferred embodiment, the outer side of the tripod is connected to the support rod.

[0015] In another preferred embodiment, the distance between one ends of the two struts is greater than the distance between the other ends of the two struts.

[0016] In another preferred embodiment, the upper header is arranged above the lower header.

[0017] In another preferred embodiment, the triangular platform includes: a first part and a second part, one end of the first part is vertically connected to the end wall member, one end of the second part is connected to the lower connecting box, the other end of the first part is connected to the other end of the second part, and an acute angle is formed between the first part and the second part.

[0018] In another preferred embodiment, the end wall member is connected to the upper header box by bolts.

[0019] In another preferred embodiment, the two thrust assemblies are respectively connected to the two lower connecting boxes, and the two lower connecting boxes are connected to the same end wall member through the two thrust assemblies.

[0020] Due to the adoption of the above technical solution, the present invention has the following positive effects compared with the prior art:

[0021] Through the application of the utility model, a thrust stop device for the end of the header suitable for a W-type direct air cooling system is provided, which can effectively avoid the asynchronous displacement difference between the upper header and the lower header, thereby playing a thrust stop role and preventing damage to the tube bundle of the air cooling system; and the utility model has a simple structure, strong stability and a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a first schematic diagram of an air cooling system header end thrust device of the present invention;

[0023] Figure 2 This is a second schematic diagram of an air cooling system header end thrust device of the present invention;

[0024] Figure 3 This is a third schematic diagram of an air cooling system header end thrust device of the present invention.

[0025] In the attached figure:

[0026] 1. End wall; 2. Upper header; 3. Thrust assembly; 4. Lower header; 5. Triangle platform; 6. Support rod; 7. First fixing rod; 8. Second fixing rod; 9. Third fixing rod; 10. First part; 11. Second part. DETAILED DESCRIPTION

[0027] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be understood that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inside", "outside", "front", "back", "horizontal", and "vertical" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or component referred to must have a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0029] It should be noted that the terms “horizontal” and “vertical” in the present invention are used to describe a rough positional relationship, rather than a strict “horizontal plane” or “vertical plane”.

[0030] like Figures 1 to 3 The figure shows a preferred embodiment of a thrust stop device for an air-cooling system header terminal, comprising: an end wall member 1 mounted on an upper header 2; and at least one thrust assembly 3 for connecting the end wall member 1 to a lower header 4. Furthermore, the thrust assembly 3 connects the upper header 2 and the lower header 4 via the end wall member 1, thereby minimizing displacement differences between the upper and lower headers 2 and 4 under the influence of horizontal forces such as wind loads or earthquakes.

[0031] Furthermore, as a preferred embodiment, the end wall member 1 is a plate-shaped structure, a strip-shaped structure, or a frame structure.

[0032] Further, as a preferred embodiment, the thrust assembly 3 includes: a triangular platform 5, the triangular platform 5 is connected to the lower end of the end wall member 1, and the triangular platform 5 is connected to the lower connecting box 4; two support rods 6, one end of each of the support rods 6 is respectively connected to the triangular platform 5, and the other end of each of the support rods 6 is respectively connected to the upper end of the end wall member 1; two first fixing rods 7, the middle part of each support rod 6 is connected to one end of one of the first fixing rods 7, and the other end of each fixing rod is connected to the middle part of the end wall member 1.

[0033] Furthermore, as a preferred embodiment, the triangular platform 5 and the end wall member 1 are connected by welding.

[0034] Furthermore, as a preferred embodiment, the triangular platform 5 and the lower connecting box 4 are connected by welding.

[0035] Furthermore, as a preferred embodiment, an adjustment plate is attached to one end of the support rod 6 , and the support rod 6 is welded to the tripod 5 through the adjustment plate.

[0036] Furthermore, as a preferred embodiment, the other end of the support rod 6 is connected to the end wall member 1 through a bolt.

[0037] Furthermore, as a preferred embodiment, the first fixing rod 7 is connected to the support rod 6 and the end wall member 1 through bolts.

[0038] Furthermore, as a preferred embodiment, it further comprises: a second fixing rod 8 , both ends of which are respectively connected to one end of the two first fixing rods 7 and / or the middle of the support rod 6 .

[0039] Furthermore, as a preferred embodiment, it also includes: two third fixing rods 9, one end of each of the third fixing rods 9 is connected to the middle part of the second fixing rod 8, and the other end of each of the third fixing rods 9 is connected to the other end of the first fixing rod 7 or the end wall member 1.

[0040] Furthermore, as a preferred embodiment, the upper inner portion of the triangular platform 5 is connected to the end wall member 1 , and the lower inner portion of the triangular platform 5 is connected to the lower connecting box 4 .

[0041] Furthermore, as a preferred embodiment, the outer side of the triangular platform 5 is connected to the support rod 6 .

[0042] Furthermore, as a preferred embodiment, the distance between one ends of the two struts 6 is greater than the distance between the other ends of the two struts 6 .

[0043] Furthermore, as a preferred embodiment, the upper header 2 is arranged above the lower header 4 .

[0044] Furthermore, as a preferred embodiment, the triangular platform 5 includes: a first part 10 and a second part 11, one end of the first part 10 is vertically connected to the end wall member 1, one end of the second part 11 is connected to the lower connecting box 4, the other end of the first part 10 is connected to the other end of the second part 11, and an acute angle is formed between the first part 10 and the second part 11.

[0045] The above description is only a preferred embodiment of the present invention and does not limit the implementation manner and protection scope of the present invention.

[0046] The present invention also has the following implementation methods based on the above:

[0047] In a further embodiment of the present invention, the end wall member 1 is connected to the upper header 2 by bolts.

[0048] In a further embodiment of the present invention, bolt holes matching the above-mentioned bolts are reserved on the end wall member 1 .

[0049] In a further embodiment of the present invention, the bolt hole is an oblong hole.

[0050] In a further embodiment of the present invention, the two thrust assemblies 3 are respectively connected to the two lower connecting boxes 4 , and the two lower connecting boxes 4 are connected to the same end wall member 1 through the two thrust assemblies 3 .

[0051] In a further embodiment of the present invention, the two lower connecting boxes 4 include a left lower connecting box 4 and a right lower connecting box 4. Preferably, after the two triangular platforms 5 are respectively adjusted in position and elevation, they are fixedly connected to the left lower connecting box 4 and the right lower connecting box 4 respectively.

[0052] The above description is only a preferred embodiment of the present invention and does not limit the implementation method and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. An air cooling system header end thrust device, characterized in that: include: An end wall member, the end wall member being arranged on an upper header box; at least one thrust assembly, the thrust assembly being used to connect the end wall member and a lower header; Wherein, the thrust assembly comprises: A triangular platform connected to the lower end of the end wall member and connected to the lower connecting box; Two support rods, one end of each of the support rods is connected to the triangular platform, and the other end of each of the support rods is connected to the upper end of the end wall member; Two first fixing rods, the middle part of each support rod is connected to one end of the first fixing rod, and the other end of each fixing rod is connected to the middle part of the end wall member.

2. The air cooling system header end thrust device according to claim 1, characterized in that: Also includes: A second fixing rod, wherein both ends of the second fixing rod are respectively connected to one end of the two first fixing rods and / or the middle of the support rod.

3. The air cooling system header end thrust device according to claim 2, characterized in that: Also includes: Two third fixing rods, one end of each of the third fixing rods is connected to the middle part of the second fixing rod, and the other end of each of the third fixing rods is connected to the other end of one of the first fixing rods or the end wall member.

4. The air cooling system header end thrust device according to claim 1, characterized in that: The upper inner portion of the triangular platform is connected to the end wall member, and the lower inner portion of the triangular platform is connected to the lower connecting box.

5. The air cooling system header end thrust device according to claim 1, characterized in that: The outer side of the triangular platform is connected to the support rod.

6. The air cooling system header end thrust device according to claim 1, characterized in that: The distance between one ends of the two struts is greater than the distance between the other ends of the two struts.

7. The air cooling system header end thrust device according to claim 1, characterized in that: The upper connecting box is arranged above the lower connecting box.

8. The air cooling system header end thrust device according to claim 1, characterized in that: The triangular platform includes: a first part and a second part, one end of the first part is vertically connected to the end wall member, one end of the second part is connected to the lower connecting box, the other end of the first part is connected to the other end of the second part, and an acute angle is formed between the first part and the second part.

9. The air cooling system header end thrust device according to claim 1, characterized in that: The end wall member is connected to the upper header box by bolts.

10. The air cooling system header end thrust device according to claim 1, characterized in that: The two thrust assemblies are respectively connected to the two lower connecting boxes, and the two lower connecting boxes are connected to the same end wall member through the two thrust assemblies.