Analysis of Direct and Indirect Air Cooling Technology

In power plant cooling systems, air cooling technology is widely used for its efficiency and water-saving characteristics. Air cooling technology is mainly divided into two categories: direct air cooling and indirect air cooling. Each of these technologies has its own features and is suitable for different environments and requirements. This article will provide a detailed analysis of the working principles, advantages and disadvantages, and application scenarios of direct and indirect air cooling technologies.

08-25

2025

Shanxi Dewang Energy-Saving Technology Co., Ltd. participated as one of the first “Specialized, Fine, Distinctive, and Innovative” enterprises in the first batch of companies listed on Shanxi’s “Specialized, Fine, Distinctive, and Innovative” dedicated board.

07-22

2025

Symbiosis, co-creation, and win-win - De Wang participates in the China-Africa Economic and Trade Expo

From June 12th to 15th, the 4th China-Africa Economic and Trade Expo, themed "China-Africa Joint Action, Pursuing Modernization," was held at the foot of Yuelu Mountain and by the Xiangjiang River in Changsha. On June 12th, the expo opened, with Wang Yi, member of the Political Bureau of the CPC Central Committee and Minister of Foreign Affairs, attending the opening ceremony and delivering a speech.

06-25

2025

Company's 2024 Glorious Journey: Breakthrough in Photothermal Business, Joint Efforts with Famous Enterprises to Create a Brighter Future

To further expand its business market, the company, under the correct leadership of the general manager, led the business team to overcome difficulties and challenges, step by step, with multi-domain business collaborative projects.

12-30

2024

China's first grid-side flywheel energy storage and frequency regulation power station successfully connected to the grid and generated electricity - Shanxi Dewang Energy Saving Technology Co., Ltd. assists in the air-cooled tower project

On September 3, 2024, China Energy Engineering Corporation's Shanxi Institute's general contracting project, China's first grid-side flywheel energy storage frequency regulation power station—the Dinglun Energy 30 MW flywheel energy storage project—successfully grid-connected and generated electricity. The project consists of a 30 MW flywheel energy storage frequency regulation power station and its supporting facilities, which are composed of 12 sets of flywheel energy storage frequency regulation units. Each unit contains 10 high-speed magnetically levitated flywheels, related auxiliary, drive and control systems, and a step-up converter integrated prefabricated cabin. Flywheel energy storage technology has significant advantages such as fast continuous charging and discharging, precise power regulation, low lifecycle cost, no pollution, and reliable equipment safety.

09-07

2024

Declaration

Recently, our company learned that some individuals, taking advantage of their familiarity with and access to the company's trade secrets, have spread false statements about our company through online channels, phone calls, and text messages. These actions have maliciously damaged our company's reputation and even involved personal attacks and defamation against our shareholders and senior executives, causing extremely negative impacts on our company. Regarding this matter, our company makes the following solemn statement:

10-08

2023