At the end of spring and the beginning of summer, it is the season of growth and vitality for everything, just like the spirit of youth pioneering, innovation, positivity, and exploration, etc. In the afternoon of May 31st, the first activity of “2024 HVAC Designer Technical Salon” (referred to as Youth Speak Salon) with the theme of “Stimulating Youth and Moving Forward with Dream” was successfully held in Beijing. The first activity of “Youth Speak - 2024 Technical Salon for HVAC Designers” (referred to as “Youth Speak Salon”) was successfully held in Beijing, and more than 50 designers from major design institutes in Beijing participated in this salon activity.

BEIJING - On May 26, 2024, the 2nd “2024 International Zero-Carbon Urban & Rural and Zero-Carbon Buildings Conference & Technology & Equipment Expo” (Zero-Carbon Conference) was grandly opened at China National Convention Center (CNCC) in Beijing. Organized by the China Building Energy Conservation Association, the conference, with the theme of “Promoting Zero-Carbon Development of Buildings and Green Low-Carbon Transformation of Urban and Rural Areas”, focuses on the actual needs of global zero-carbon cities and villages in the field of construction under the strategy of “dual-carbon”, relevant policies and regulations, advanced technologies and standards, as well as the realization of zero-carbon buildings. The conference will focus on the actual needs, relevant policies and regulations, advanced technologies and standards in the field of global zero-carbon urban and rural construction under the “dual-carbon” strategy, as well as the paths and methods to realize zero-carbon buildings. It will further promote the high-quality development of zero-carbon buildings and lead the urban and rural areas and the construction industry towards a green future.

Recently

Four scientific and technological achievements of China Construction Fifth Bureau Installation Company were honored with the

China Installation Association Science and Technology Progress Award

Among them, 2 first-class awards, 2 second-class awards

“Decorative electromechanical system key technology research and application”

won the first prize

The “Analysis of Frequently Asked Questions on Drawing Review--January 1 Answer” is organized by Beijing Municipal Commission of Planning and Natural Resources and co-sponsored by Beijing Construction Drawing Review Association, and the questions and answers on HVAC specialties are reproduced here for your study and reference.

By the end of 2023, the cumulative installed capacity of new energy storage projects has reached 31.39 million kilowatts/66.87 million kilowatt-hours, with an average storage duration of 2.1 hours. 2023, the new installed capacity will be about 22.6 million kilowatts/48.7 million kilowatt-hours, an increase of more than 260% compared with that at the end of 2022, and nearly 10 times the installed capacity at the end of the “13th Five-Year Plan”. The installed capacity at the end of the “13th Five-Year Plan” is nearly 10 times larger than that at the end of the year. Since the “14th Five-Year Plan”, the new energy storage installed directly promote economic investment of more than 100 billion yuan.

According to the water pressure characteristics, can be divided into open system and closed system.
According to the cold and hot water piping, can be divided into two-control system, three-control system and four-control system.
According to the water flow of each terminal equipment, can be divided into the same program and different program system.
According to the characteristics of water, can be divided into fixed water system and variable water system.
According to the nature of water, can be divided into chilled water system, cooling water system and hot water system.