Cooling triangular structure and indirect cooling tower

By using a tube bundle sealing mechanism in the cooling triangle structure of the indirect cooling tower, and using a combination design of components such as installation screw rings, sealing gaskets and reinforcement plugs, the water leakage problem caused by frostbite and aging of the sealing structure is solved, and higher sealing and convenient regular replacement are achieved, reducing losses.

CN223179401UActive Publication Date: 2025-08-01NINGXIA YINXING POWER GENERATION CO LTD
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Patent Information

Application Number
CN202421951461.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-08-01
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

During long-term use, the cooling triangle of the indirect cooling tower is prone to frostbite caused by wind, sun, high temperature or extreme cold, causing leakage, and the sealing structure of the sealing head is prone to aging, which is difficult to detect and lead to water leakage, causing losses.

Method used

A cooling triangle structure is designed, and a tube bundle sealing mechanism is adopted, including a plug assembly and an auxiliary sealing assembly. By installing screw rings, upper and lower sealing gaskets, reinforcement plugs and other components, the tube bundle is tightly sealed and blocked. The installation date is recorded in combination with a note to be replaced regularly to prevent aging.

Benefits of technology

It effectively prevents water leakage of cooling triangular tube bundles, reduces losses caused by aging of seal structures, and improves sealing effect and convenience of replacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cooling triangle structure and an indirect cooling tower, and belongs to the technical field of indirect cooling towers, the cooling triangle structure comprises a tube bundle plugging mechanism, the tube bundle plugging mechanism comprises a plug assembly and an auxiliary and sealing assembly, the auxiliary and sealing assembly is installed in the plug assembly, and the plug assembly is connected with the auxiliary and sealing assembly. The plug assembly comprises an installation screw ring and an upper sealing gasket, the upper sealing gasket is installed at the top of the installation screw ring in a limited mode, the installation screw ring is connected with the tube bundle, the upper sealing gasket abuts against the tube bundle in a sealed mode, the auxiliary and sealing assembly comprises a clamping plate, the clamping plate is clamped to the bottom of the installation screw ring in a limited mode, and a note is arranged in the clamping plate. The tube bundle blocking mechanism is replaced in advance to prevent aging, the installation date is written on a note, the note is placed in the installation groove and covered with a clamping strip, regular replacement is conveniently carried out when the installation date is known, water leakage caused by aging is reduced, and the occurrence of the water leakage condition is greatly reduced.
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Description

Technical Field

[0001] The utility model relates to the field of indirect cooling towers, and more specifically, to a cooling triangle structure and an indirect cooling tower. Background Technique

[0002] An indirect cooling tower consists of several sectors and several cooling triangles, and each cooling triangle consists of several tube bundles.

[0003] During the long-term use of an indirect cooling tower, it will experience wind, sun, high temperature and extreme cold. If the unit stops and there is no water drainage inside the tube bundle, the low external environmental temperature is likely to cause frostbite of the cooling triangle tube bundle, resulting in leakage of the cooling triangle. If a plug is set, however, during long-term use, the sealing structure is prone to aging and is not easy to detect, still prone to water leakage, causing relatively large losses. How to invent a cooling triangle structure and an indirect cooling tower to improve these problems has become an urgent problem for those skilled in the art. Summary of the Utility Model

[0004] To make up for the above deficiencies, the utility model provides a cooling triangle structure and an indirect cooling tower, aiming to improve the problem of easy water leakage of the tube bundle.

[0005] The utility model is realized as follows: A cooling triangle structure includes

[0006] A tube bundle plugging mechanism, which includes a plug component and an auxiliary and sealing component. The auxiliary and sealing component is installed inside the plug component. The plug component includes an installation screw ring and an upper sealing pad. The upper sealing pad is limited and installed at the top of the installation screw ring. The installation screw ring is connected to the tube bundle, and the upper sealing pad is in sealing contact with the tube bundle. The auxiliary and sealing component includes a clamping plate, which is limited and clamped at the bottom of the installation screw ring, and a note is arranged inside the clamping plate.

[0007] In a preferred technical solution of the utility model, the plug component further includes a connecting screw and a positioning nut. The bottom of the connecting screw is threadedly sleeved with the positioning nut. The upper sealing pad and the installation screw ring are respectively limited and sleeved on the connecting screw, and the outside of the installation screw ring is provided with threads.

[0008] In a preferred technical solution of the utility model, the middle of the installation screw ring is cross-divided into four parts. The bottom of the installation screw ring is fixedly connected with a limiting circular plate, and the bottom of the limiting circular plate is fixedly connected with a connecting base.

[0009] In a preferred technical solution of the utility model, a lower sealing ring is arranged below the upper sealing pad. The lower sealing ring is sleeved on the connecting screw and is located above the installation screw ring.

[0010] In a preferred technical solution of the present utility model, the outer edge of the top of the upper sealing gasket is arc-shaped, the lower sealing ring is frustum-shaped, and the top of the lower sealing ring has the same size as the bottom of the upper sealing gasket.

[0011] In a preferred technical solution of the present utility model, a limiting top plate is fixedly connected to the bottom of the connecting screw rod, and the outer edge of the top of the limiting top plate is arc-shaped.

[0012] In a preferred technical solution of the present utility model, the auxiliary and sealing assembly further includes a reinforcing plug, the reinforcing plug is located below the lower sealing ring, the reinforcing plug is frustum-shaped, the bottom of the reinforcing plug is a small bottom, and the bottom of the reinforcing plug extends into the inner top of the mounting screw ring.

[0013] In a preferred technical solution of the present utility model, reinforcing plates are respectively fixedly connected to both sides of the inner wall of a plurality of the mounting screw rings, a fitting groove is formed in the outer ring of the reinforcing plug, and the fitting groove is correspondingly arranged with the reinforcing plates.

[0014] In a preferred technical solution of the present utility model, an auxiliary nut is fixedly installed at the bottom of the limiting circular plate, the auxiliary nut is fixedly sleeved on the top of the connecting base, the clamping plate is L-shaped, clamping strips are fixedly connected to both sides of the clamping plate, mounting grooves are formed at the bottom and one side of the limiting circular plate, the clamping plate with the clamping strips is slidably clamped in the mounting grooves in a limiting manner, and the outer side of the clamping plate is embedded in the limiting circular plate.

[0015] In another preferred technical solution of the present utility model, an indirect cooling tower includes a cooling triangle bottom arranged above the tube bundle plugging mechanism, and the plugging head assembly is in threaded sealing connection with the tube bundle opening at the bottom of the cooling triangle.

[0016] The beneficial effects of the present utility model are as follows: A cooling triangle structure and an indirect cooling tower obtained by the above design of the present utility model, during use, the tube bundle plugging mechanism is inserted into the inlet at the bottom of the tube bundle, and is screwed tightly in cooperation with the mounting screw ring. When the mounting screw ring is in threaded connection, the upper sealing gasket and the lower sealing ring are closely attached to seal the bottom of the tube bundle at the same time. When the mounting screw ring is tightened, it will upwardly squeeze the reinforcing plug. The frustum-shaped reinforcing plug will expand a plurality of mounting screw rings to enhance the fastening effect. After the installation is completed, pull out the clamping strip at the bottom of the limiting circular plate, write the installation date on a sticky note and put it into the mounting groove to cover it with the clamping strip, which is convenient to know the installation date for regular replacement, reduces the water leakage caused by aging, and greatly reduces the occurrence of water leakage. Description of the Drawings

[0017] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model and should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other relevant drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the installation structure of the tube bundle plugging mechanism provided by the embodiment of the present utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the tube bundle plugging mechanism provided by the embodiment of the present utility model;

[0020] Figure 3 It is a schematic diagram of the exploded structure of the tube bundle plugging mechanism provided by the embodiment of the present utility model;

[0021] Figure 4 It is a schematic diagram of the exploded structure of the auxiliary and sealing assembly provided by the embodiment of the present utility model;

[0022] In the figure: 100 - bottom of the cooling triangle; 200 - tube bundle plugging mechanism; 210 - plug head assembly; 211 - connecting screw; 212 - positioning nut; 213 - limiting top plate; 214 - installation screw ring; 215 - limiting circular plate; 216 - connecting base; 217 - upper sealing gasket; 218 - lower sealing ring; 220 - auxiliary and sealing assembly; 221 - auxiliary nut; 222 - reinforcing plug; 223 - mating groove; 224 - reinforcing plate; 225 - clamping plate; 226 - clamping strip; 227 - installation groove. Specific embodiments

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments of the present utility model belong to the scope of protection of the present utility model.

[0024] Please refer to Figure 1 and Figure 2 , the present utility model provides a technical solution: a cooling triangle structure, including

[0025] The tube bundle plugging mechanism 200, the tube bundle plugging mechanism 200 includes a plug component 210 and an auxiliary and sealing component 220. The auxiliary and sealing component 220 is installed inside the plug component 210. The plug component 210 includes an installation screw ring 214 and an upper sealing gasket 217. The upper sealing gasket 217 is installed in a limited position at the top of the installation screw ring 214. The installation screw ring 214 is connected to the tube bundle, and the upper sealing gasket 217 is in sealing contact with the tube bundle. The auxiliary and sealing component 220 includes a clamping plate 225. The clamping plate 225 is installed in a limited position and clamped at the bottom of the installation screw ring 214. A note is provided inside the clamping plate 225, which is convenient for recording the installation date and replacing the tube bundle plugging mechanism 200 in advance to prevent aging.

[0026] Please refer to Figure 2 and Figure 3 , the plug component 210 further includes a connecting screw 211 and a positioning nut 212. The bottom of the connecting screw 211 is threadedly sleeved with the positioning nut 212. The upper sealing gasket 217 and the installation screw ring 214 are respectively sleeved in a limited position on the connecting screw 211. The outside of the installation screw ring 214 is provided with threads. The connecting screw 211 and the positioning nut 212 are used to string up and fix the installation screw ring 214, the limit circular plate 215, the connecting base 216, the upper sealing gasket 217 and the lower sealing ring 218. The middle of the installation screw ring 214 is cross-divided into four parts. The bottom of the installation screw ring 214 is fixedly connected with a limit circular plate 215. The bottom of the limit circular plate 215 is fixedly connected with a connecting base 216. The installation screw ring 214 is used for installation with the screw hole at the bottom of the cooling triangle 100. A lower sealing ring 218 is arranged below the upper sealing gasket 217. The lower sealing ring 218 is sleeved on the connecting screw 211. The lower sealing ring 218 is located above the installation screw ring 214. The outer edge of the top of the upper sealing gasket 217 is arc-shaped. The lower sealing ring 218 is frustum-shaped. The top of the lower sealing ring 218 has the same size as the bottom of the upper sealing gasket 217, which increases the sealing effect. The bottom of the connecting screw 211 is fixedly connected with a limit top plate 213. The outer edge of the top of the limit top plate 213 is arc-shaped.

[0027] Please refer to Figure 2 and Figure 4, the auxiliary and sealing assembly 220 further includes a reinforcing plug 222, which is located below the lower sealing ring 218. The reinforcing plug 222 is frustum-shaped, with a small bottom at the bottom. The bottom of the reinforcing plug 222 extends into the inner top of the mounting screw ring 214. The reinforcing plug 222 is used to expand the plurality of mounting screw rings 214 to improve the fixing effect, and at the same time facilitate the tightening of the upper sealing gasket 217 and the lower sealing ring 218 to improve the sealing effect. On both sides of the inner wall of the plurality of mounting screw rings 214, reinforcing plates 224 are respectively fixedly connected. A mating groove 223 is provided on the outer ring of the reinforcing plug 222, and the mating groove 223 is arranged corresponding to the reinforcing plates 224. An auxiliary nut 221 is fixedly installed at the bottom of the limiting circular plate 215. The auxiliary nut 221 is fixedly sleeved on the top of the connecting base 216. The clamping plate 225 is L-shaped, and clamping strips 226 are fixedly connected to both sides of the clamping plate 225. Mounting grooves 227 are provided at the bottom and one side of the limiting circular plate 215. The clamping plate 225 is slidably clamped in the mounting grooves 227 in cooperation with the clamping strips 226, and the outer side of the clamping plate 225 is embedded in the limiting circular plate 215.

[0028] An indirect cooling tower includes a cooling triangle bottom 100 arranged above a tube bundle plugging mechanism 200. The plugging head assembly 210 is threadedly and sealingly connected to the tube orifice of the cooling triangle bottom 100.

[0029] Working principle: The tube bundle plugging mechanism 200 is inserted into the inlet at the bottom of the tube bundle and tightened threadedly in cooperation with the mounting screw ring 214. When the mounting screw ring 214 is threadedly connected, the upper sealing gasket 217 and the lower sealing ring 218 are closely attached and at the same time seal the bottom of the tube bundle. When the mounting screw ring 214 is tightened, it will upwardly press the reinforcing plug 222. Since the reinforcing plug 222 is frustum-shaped, it will expand the plurality of mounting screw rings 214 to enhance the fastening effect. After the installation is completed, pull out the clamping strip 226 at the bottom of the limiting circular plate 215, write the installation date on a sticky note and put it into the mounting groove 227 to cover it with the clamping strip 226, which is convenient to know the installation date for regular replacement.

[0030] The above is only the preferred embodiment of the present invention and is not used to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A cooling triangular structure, characterized in that, including a tube bundle plugging mechanism, the tube bundle plugging mechanism includes a plug component and an auxiliary and sealing component, the auxiliary and sealing component is installed inside the plug component, the plug component includes an installation screw ring and an upper sealing pad, the upper sealing pad is limit-installed at the top of the installation screw ring, the installation screw ring is connected to the tube bundle, the upper sealing pad is in sealing contact with the tube bundle, the auxiliary and sealing component includes a clamping plate, the clamping plate is limit-connected to the bottom of the installation screw ring, and a note is arranged inside the clamping plate.

2. The cooling triangular structure according to claim 1, characterized in that: The plug component further includes a connecting screw rod and a positioning nut, the bottom of the connecting screw rod is threadedly sleeved with a positioning nut, the upper sealing pad and the installation screw ring are respectively limit-sleeved on the connecting screw rod, and the outside of the installation screw ring is provided with threads.

3. The cooling triangular structure according to claim 2, characterized in that: The middle of the installation screw ring is cross-divided into four parts, the bottom of the installation screw ring is fixedly connected with a limit circular plate, and the bottom of the limit circular plate is fixedly connected with a connecting base.

4. A cooling triangular structure according to claim 3, characterized in that: A lower sealing ring is arranged below the upper sealing pad, the lower sealing ring is sleeved on the connecting screw rod, and the lower sealing ring is located above the installation screw ring.

5. The cooling triangular structure according to claim 4, wherein: The outer edge of the top of the upper sealing pad is arc-shaped, the lower sealing ring is frustum-shaped, and the top of the lower sealing ring has the same size as the bottom of the upper sealing pad.

6. The cooling triangular structure according to claim 4, wherein: The bottom of the connecting screw rod is fixedly connected with a limit top plate, and the outer edge of the top of the limit top plate is arc-shaped.

7. The cooling triangular structure according to claim 4, characterized in that: The auxiliary and sealing component further includes a reinforcing plug, the reinforcing plug is located below the lower sealing ring, the reinforcing plug is frustum-shaped, the bottom of the reinforcing plug is a small bottom, and the bottom of the reinforcing plug extends into the inner top of the installation screw ring.

8. A cooling triangular structure according to claim 7, characterized in that: Both sides of the inner wall of the plurality of installation screw rings are fixedly connected with reinforcing plates, a matching groove is formed in the outer ring of the reinforcing plug, and the matching groove is arranged corresponding to the reinforcing plates.

9. A cooling triangular structure according to claim 7, characterized in that: An auxiliary nut is fixedly installed at the bottom of the limit circular plate, the auxiliary nut is fixedly sleeved on the top of the connecting base, the clamping plate is L-shaped, clamping strips are fixedly connected to both sides of the clamping plate, installation grooves are formed at the bottom and one side of the limit circular plate, the clamping plate is slidably clamped in the installation groove in a limit manner with the clamping strips, and the outside of the clamping plate is embedded in the limit circular plate.

10. An indirect cooling tower, comprising a cooling triangular structure according to any one of claims 1-9, characterized in that: A cooling triangle bottom is arranged above the tube bundle plugging mechanism, and the plug component is in threaded sealing connection with the tube orifice of the cooling triangle bottom.