Indirect cooling tower with anti-freezing device

An antifreeze device and cooling tower technology, applied in water shower coolers, direct contact heat exchangers, heat exchanger types, etc., can solve problems such as tube bundle deformation, heat transfer tube freezing cracks, threats to safe operation of the unit, and achieve Low engineering cost, simple and practical device structure, and improved operation economy

Pending Publication Date: 2021-03-19
哈尔滨润河科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the water in the tubes freezes to cause the deformation of the tube bundle or the freezing and cracking of the heat transfer tubes when the unit is in load reduction or pumping operation, which poses a great threat to the safe operation of the unit, the invention further proposes an indirect cooling tower with an antifreeze device

Method used

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  • Indirect cooling tower with anti-freezing device
  • Indirect cooling tower with anti-freezing device
  • Indirect cooling tower with anti-freezing device

Examples

Experimental program
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Effect test

specific Embodiment approach 1

[0032] Specific implementation mode one: combine Figure 1 to Figure 13 Describe this embodiment, the indirect cooling tower with antifreeze device described in this embodiment, it includes a tower body 1 and heat radiation tube bundle 2, heat radiation tube bundle 2 surrounds the outer side of the lower part of tower body 1 in a ring; this embodiment also includes The antifreeze device 3, the antifreeze device 3 includes a plurality of windshield curtains 3-4, and the plurality of windshield curtains 3-4 are sequentially connected and installed on the heat dissipation tube bundle 2 along the circumferential direction.

[0033] In this embodiment, the windshield curtain 3-4 can be installed on the outside of the heat dissipation tube bundle 2, also can be installed on the inside of the heat dissipation tube bundle 2, and the windshield curtain 3-4 can also be installed on the inside and outside of the heat dissipation tube bundle 2.

specific Embodiment approach 2

[0034] Specific implementation mode two: combination Figure 1 to Figure 13 To illustrate this embodiment, an indirect cooling tower with an antifreeze device described in this embodiment also includes a plurality of retractable mechanisms, and a plurality of retractable mechanisms are evenly distributed and installed on the outside of the heat dissipation tube bundle 2 along the circumferential direction, each The retractable mechanism is respectively connected with a windshield curtain 3-4. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0035] Specific implementation mode three: combination Figure 1 to Figure 13 To illustrate this embodiment, each retractable mechanism of an indirect cooling tower with an antifreeze device in this embodiment includes a drive assembly 3-1, a power roller assembly 3-2, two rails 3-3, a pulley Rope 3-5 and moving beam 3-7;

[0036] Two rails 3-3 are installed vertically side by side on the outside of the heat dissipation tube bundle 2, the driving assembly 3-1 and the power roller assembly 3-2 are installed on the upper end of the rail 3-3, the driving assembly 3-1 and the power roller assembly 3-2 connection, the windshield curtain 3-4 is arranged between the two rails 3-3, the upper end of the stay rope 3-5 is fixedly connected with the power drum assembly 3-2, and the lower end of the stay rope 3-5 is connected with the windshield curtain 3-4 The lower end of the windshield curtain 3-4 is fixedly connected, and the lower end of the windshield curtain 3-4 is equipped with a ...

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Abstract

The invention discloses an indirect cooling tower with an anti-freezing device, and relates to an indirect cooling tower, in particular to the indirect cooling tower with the anti-freezing device. Theinvention aims to solve the problem of great threat to safe operation of a unit due to tube bundle deformation or frost cracking of a heat transfer tube caused by freezing of water in a tube during load reduction or air exhaust operation of the unit. The cooling tower comprises a tower body and a cooling pipe bundle, wherein the cooling pipe bundle annularly surrounds the outer side of the lowerpart of the tower body. The cooling tower further comprises the anti-freezing device, the anti-freezing device comprises a plurality of air blocking curtains, and the multiple air blocking curtains are sequentially connected and installed on the cooling pipe bundle end to end in the circumferential direction. The invention belongs to the technical field of power generation equipment.

Description

technical field [0001] The invention relates to an indirect cooling tower, in particular to an indirect cooling tower with an antifreeze device, belonging to the technical field of power generation equipment. Background technique [0002] At present, natural ventilation cooling systems are mostly used for exhaust cooling of steam turbine generator sets in power stations. Natural ventilation cooling systems are divided into wet direct water cooling systems and dry indirect air cooling systems. The cooling water is cooled and converted into condensed water at a suitable temperature. The condensed water enters the heating equipment (boiler island or nuclear island) to be heated and converted into high-temperature and high-pressure steam, and then circulates back to the steam turbine to do work again. [0003] In the technical field of steam turbine generator set efficiency, the indirect air cooling system can be safely used in abrupt climate environments such as strong winds be...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): F28C1/16
CPCF28C1/16
Inventor黄建华董化锋彭湃张广健
Owner哈尔滨润河科技有限公司