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Double-working medium indirect air cooling system and control method thereof

An air-cooling system and dual-substance technology, which is applied in the direction of water shower coolers, household refrigeration devices, cooling fluid circulation devices, etc., can solve the problems of radiators that are easy to freeze and crack, solve the problem of antifreeze, reduce operating costs, and avoid investment increased effect

Pending Publication Date: 2020-02-11
NORTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings of the existing indirect air-cooling system for the auxiliary equipment and the main engine of the photothermal power station, and provide a duplex indirect air-cooling system and its control method

Method used

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  • Double-working medium indirect air cooling system and control method thereof
  • Double-working medium indirect air cooling system and control method thereof
  • Double-working medium indirect air cooling system and control method thereof

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Embodiment Construction

[0041] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0042] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a double-working medium indirect air cooling system and a control method thereof, and belongs to the field of indirect air cooling systems of thermal power plant host machinesor auxiliary machines. The double-working medium indirect air cooling system is characterized in that a pump is arranged on a water outlet pipe of a desalted water storage tank, a pump is arranged ona water outlet pipe of an anti-freezing solution water storage tank, the water outlet pipe of the desalted water storage tank is connected with the down stream of a water inlet pipeline of working equipment, the water outlet pipe of the anti-freezing solution water storage tank is connected with the upper stream of the water inlet pipeline of the working equipment, and a switching valve is arranged between the down stream and upper stream of the water inlet pipeline of the anti-freezing solution water storage tank; a water outlet pipeline of the working equipment is connected with a water inlet pipeline of a radiator, a first water outlet pipeline of the radiator is connected with the water inlet pipeline of the working equipment, a second water outlet pipeline of the radiator is connectedwith a water return pipeline of the desalted water storage tank and a water return pipeline of the anti-freezing solution water storage tank, a water return valve is arranged on a water return pipeline of the desalted water storage tank, and a water return valve is arranged on the anti-freezing solution water storage tank; and each pipeline is provided with one valve. According to the double-working medium indirect air cooling system and the control method thereof, the anti-freezing effect during severe cold weather and the cooling effect during scorching hot weather can be met.

Description

technical field [0001] The invention belongs to the field of indirect air-cooling systems for main engines or auxiliary machines in thermal power plants, in particular to a duplex indirect air-cooling system and a control method thereof. Background technique [0002] The indirect air cooling system is an existing mainstream cooling method, which greatly reduces water consumption and effectively saves water resources. But antifreeze is a major problem faced in actual operation at present. When the indirect air cooling system operates at a low temperature, the heat exchange area of ​​the radiator is large and the heat storage capacity of the water-air heat exchanger (cooling triangle) is relatively small, and the temperature of the circulating water in the finned tube of the radiator is affected by the temperature. Dropping, dropping to 0°C or below will cause freezing in the radiator tubes, the light ones will reduce the heat transfer performance, and the severe ones will bl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D17/02F25D29/00F28F25/02
CPCF25D17/02F25D29/001F28F25/02
Inventor 冯晶高志广杨迎哲张燕高霞娥
Owner NORTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP
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