The power of 'money' is enormous! Is' Super Air Conditioner 'here? Guangzhou, Shenzhen, and Sanya have all taken action

Tech 2023-07-25 06:45:41 Source: Network

Source: CCTV FinanceRecently, with continuous high temperatures in many places and increasing air conditioning loads, many cities across the country have begun to explore "regional centralized cooling" to cope with the high temperatures. What is centralized cooling? How is the effect?Guangzhou, Guangdong: Exploring Centralized Cooling to Cope with High Temperature WeatherAfter the ambush, the high temperature warning in Guangzhou continued, and during the peak summer passenger flow, the Guangzhou Library received tens of thousands of readers every day

Source: CCTV Finance

Recently, with continuous high temperatures in many places and increasing air conditioning loads, many cities across the country have begun to explore "regional centralized cooling" to cope with the high temperatures. What is centralized cooling? How is the effect?

Guangzhou, Guangdong: Exploring Centralized Cooling to Cope with High Temperature Weather

After the ambush, the high temperature warning in Guangzhou continued, and during the peak summer passenger flow, the Guangzhou Library received tens of thousands of readers every day. In order to maintain coolness, over a hundred air outlets here operate continuously from 9am to 9pm, and this large amount of continuous cooling is not achieved by a single air conditioner, but by chilled water pipes.

Huang Zhenxiong, Department Director of Asset and Property Management Department of Guangzhou Library

Two water pipes, one inlet and one outlet, combined with a water pump, can provide cooling. The continuous supply of cold water comes from a cold station less than one kilometer away from the library.

Teng Lin, General Manager of an Energy Co., Ltd. in Guangzhou, GuangdongThis is the ice storage pool in the system, which stores a certain amount of ice during low electricity prices at night. During the day, it is like using cold time now. After the high-temperature water comes in, it melts the ice and the water temperature drops. It is then pumped to the user's side through a secondary pump to cool the user's air conditioning system.

Teng Lin told reporters that every summer, the low valley electricity price from 0:00 at night to 8:00 the next day is 0.19 yuan/kWh, and the peak electricity price during the day is 1.63 yuan/kWh. They use an 8-fold electricity price difference to store as much ice as possible with cheap electricity at night and deliver it to surrounding buildings of 2 million square meters such as subways, theaters, and office buildings. Currently,Many regions across the country, including Jinan, Sanya, and Shenzhen, are exploring centralized cooling modes.

Significant energy-saving and emission reduction effects

The market potential for centralized cooling is enormous

For users, buying cold water is more economical and environmentally friendly than installing air conditioning. So, corresponding to central heating in the north, where is central cooling suitable for use, and what are the economic benefits of investing in such projects?

An industrial park in Meishan, Sichuan Province, operates a centralized cooling and heating project. The person in charge stated that there is a demand for heating due to high humidity and low temperature in the local winter; At the same time, the high temperature in summer lasts for a long time, and the park is densely populated with enterprises, resulting in a large demand for cooling. So they designed and built this comprehensive energy system that can provide both cooling and heating.

Sun Kai, the person in charge of an energy project in Meishan, Sichuan:There are 5 months of heating season, 5 months of cooling season, and 2 months of fresh air season in a year. Cooling in summer and heating in winter, using the same set of equipment and pipeline to maximize the overall energy utilization advantage.

The addition of centralized cooling allows the previously idle heating pipelines in summer to function, which greatly saves redundant construction costs and space resources. Industry insiders point out that such projects belong to heavy asset investments and have a long investment return cycle.

During the reporter's interview, it was found that centralized cooling has the characteristics of intensive land use, efficient energy conservation, and staggered load reduction, making it more suitable for promotion and application in areas with high density and concentration of commercial buildings such as urban CBD, to alleviate the heat island effect caused by the extensive installation of air conditioning in these areas. Whether it can be promoted to residential users in the future depends on the continuous reduction of costs brought by technology.

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