It has been exposed to the sun for several days and there is a thunderstorm today. It is expected to cool down.
Yesterday, the highest temperature in the southern suburbs of Beijing Observatory was 37.8℃, the highest temperature this year.
▲Yesterday, the temperature in Beijing hit a record high, and citizens traveled in full gear. Photography/Reporter Cui Jun
Yesterday, the highest temperature of 15 weather stations in the city reached or exceeded 40°C, while the highest temperature in the southern suburbs observatory of Beijing Representative Station was 37.8°C, the highest temperature this year.
According to the analysis by Zhai Liang, chief forecaster of the Beijing Meteorological Observatory, under the control of the ridge of warm high pressure, the city had fine weather during the day on the 3rd and 4th, with good visibility and significant increase in solar radiation. High temperatures above 37°C occur in most areas of the plain, and the temperature exceeds 40°C locally. The high temperature blue warning has been issued since the afternoon of the 2nd. Among them, on the 3rd, there were 276 weather stations in the city (51.9% of the total) reaching or exceeding 37°C.
The high temperature continued to strengthen yesterday. The highest temperature of the city's 316 weather stations (59.6% of the total number of stations) reached or exceeded 37°C, and the highest temperature of 15 weather stations (2.8%) reached or exceeded 40°C.
It is expected that there will be more clouds in the sky in Japan and tomorrow, and there will be thunderstorms, and the temperature will drop slightly, and the maximum temperature will drop to 30°C to 32°C.
In order to ensure the normal operation of the city and keep citizens' lives unaffected, under the scorching sun, there are always a group of people braving the scorching heat to stay at their jobs and "escort" the citizens of the capital for a cool summer.
Guarantee
【Tap Water】
Speed up the construction of booster pumping stations
Relieve the shortage of water supply in the community
Although Beijing has experienced high temperatures for two consecutive days, residential communities in Beiqing Road, Haidian District, did not experience reduced water flow and insufficient water supply during peak water supply periods. Yesterday, a reporter from Beijing Youth Daily learned from the Municipal Water Supply Group that the group took emergency measures such as setting up temporary water intake points, implementing cross-peak water use, and optimizing water supply scheduling. At the same time, it accelerated the construction of temporary booster pumping stations, Dengzhuang South Road and Shangzhuang Road water supply pipelines. , Effectively alleviating the shortage of water supply in Beiqing Road area.
It is understood that since the beginning of summer this year, residential communities such as Wanglu Park and Kaisheng Home in the Beiqing Road area have experienced insufficient water pressure during peak water supply hours. To this end, the Municipal Water Supply Group quickly studied and formulated a special water supply guarantee plan and emergency response plan.
Among them, the newly built temporary booster pump station on Yongfeng Road can provide a water supply volume of 2000 cubic meters per hour during peak water supply hours. According to reports, more than 50 construction personnel of the group successfully completed the temporary booster pumping station project on Yongfeng Road after 14 days of continuous struggle, 7 days ahead of the planned construction period. By linking the newly-built Yongfeng Road DN1000 pipeline with the current DN600 pipeline, the project uses the pipeline booster pump to increase the water supply, and alleviates the problem of insufficient pressure in the water supply network during the peak water supply period in Beiqing Road this summer. It took only 18 days from the first site stepping on the organization on June 18 to the trial operation conditions on July 8. At present, the group has deployed a number of technical backbones 24 hours a day on site for nearly a month, according to local water demand, ready to start operation of the pump station at any time.
At the same time, on July 28, the DN1000 water supply main line project on the west extension of Dengzhuang South Road and Shangzhuang Road was put into operation after passing the water quality test. The group deployed 115 construction personnel, 20 sets of mechanical equipment, divided into 4 working faces, and adopted a 24-hour continuous operation method to ensure the construction progress. The final process lasted 30 days and the water supply goal was achieved 4 days in advance. As of the morning of August 4th, according to the flowmeter monitoring data, the newly added water supplement during peak hours along Beiqing Road was up to 2,875 cubic meters per hour. The smooth water flow of the pipeline has effectively optimized the configuration of the regional water supply network and effectively improved The degree of security of water supply in Beiqing Road area.
It is reported that in the next step, the group will make every effort to accelerate the construction of the Yongfeng water transfer and storage plant, and strive to achieve water operation by the end of September, which can meet the water demand in the Beiqing Road area in recent years; at the same time, it will actively promote the construction of the south side of Beiqing Road. The preparatory work of the hot spring water plant project is striving to start construction within this year. After the water plant is completed and connected to water, it will fundamentally meet the water demand for the future development of the Haidian Mountain Area. Text/Photo courtesy of our reporter Xie Li/Water Group
【electricity】
The grid load reaches 2005 million kilowatts
Make every effort to ensure safe and reliable operation
Affected by the continuous high temperature weather, the load of the Beijing power grid has continued to rise recently. As of 12:15 on August 4, 2020, the maximum load of Beijing Power Grid has reached 2005 million kilowatts, and cooling loads such as air conditioning have increased significantly, accounting for about 43.64%. This is the second time that the load of Beijing Power Grid has exceeded 20 million since the beginning of summer this year. kilowatt. The State Grid Beijing Electric Power Company closely follows the trend of power grid load, strengthens the monitoring of the operation of heavy-duty equipment, and increases the visibility of key transmission and transformation equipment to ensure safe and reliable operation of the power grid during heavy load. At present, the overall operation of Beijing Power Grid is stable.
According to the relevant person in charge of the State Grid Beijing Electric Power Dispatching Control Center, due to the superimposed impact of the epidemic this year, some shopping malls, office buildings and other places with a large flow of people need to strengthen ventilation, air conditioning systems and exhaust systems, etc., operate at the same time during high temperature and heavy load periods. It may cause heavy overload of the transformer. In order to ensure the stability of the capital power grid in the summer, the State Grid Beijing Electric Power differentiated to formulate method adjustment measures and emergency response plans.
Before the summer, State Grid Beijing Electric Power had put into operation 14 transmission and transformation projects of 35 kV and above. Among them, the 500 kV Tongzhou expansion project was put into operation, and the newly added transformer capacity was 2.4 million kVA, which can effectively solve the problem of insufficient main transformer capacity in Tongzhou. The 7 110kV substations are equipped with 10kV cut-and-renovation projects to effectively solve the problem of heavy load during the summer period in the main and distribution networks in Tongzhou Beiyuan, Shunyi Tianzhu, Mentougou Shimenying and other areas.
At the same time, during the summer, State Grid Beijing Electric relied on the intelligent power supply service command system to carry out active and precise operation and maintenance of the distribution network, and innovatively applied new technology and equipment such as distribution network live working robots, wire insulation protection pipes, and composite insulation poles. The implementation of non-stop power operations has further improved the power supply reliability of the Capital Power Grid.
Ma Guangyao, a senior engineer of the State Grid Beijing Electric Power Equipment Department, specifically mentioned the "short-term grounding inspection" functional module that was innovatively developed and applied for the first time in China. "The use of this functional module can prevent tree barriers, bird damage, and equipment defects on power distribution lines. Realize real-time perception. Since it was put into operation in June, more than 100 hidden dangers in distribution lines have been discovered using this module, and orders were dispatched in time through the distribution network operation and maintenance App for disposal, which effectively reduced the failure rate and improved the reliability of distribution network power supply Sex."
In addition, the State Grid Beijing Electric Power also provided for the first time six mountainous line operation and maintenance units including Miyun, Huairou, and Yanqing, equipped with 50-base composite insulated electric poles.
In view of the impact of the dual factors of high temperature weather and the use of air conditioning and ventilation for epidemic prevention and control on the load on the power grid, State Grid Beijing Electric Power conducted research and judgment in advance, including hospitals, transportation hubs, shopping malls, office buildings and other important places in the load monitoring range to improve emergency response Plan to prevent power outages.
Data shows that in recent years, summer air conditioning and other cooling loads in Beijing accounted for nearly half of the maximum load on the power grid. State Grid Beijing Electric Power urges all electricity users and residential households in the society to meet the epidemic prevention requirements when turning on air conditioners. It is recommended to use air conditioners reasonably under ventilation conditions and keep the indoor temperature not lower than 26°C.
Text / reporter Xie Li
Photography/Zhang Liang
Related
【zoo】
"Three Magic Treasures"
News from our newspaper (Reporter Wang Bin) Yesterday, the temperature in Beijing hit a new high this summer, and the Beijing Zoo was doing its utmost to relieve the heat of the small and small animals. A reporter from the Beijing Youth Daily learned that the three magic weapons of “air conditioner, ice cube and watermelon” are all in place. For the first time this year, some animal playgrounds have added shower artifacts such as sensor showers to help animals spend the summer comfortably.
Ice cubes are an indispensable magic weapon in summer. In the hot summer, animals such as polar bears, brown bears, giant pandas, red pandas, golden monkeys, and chimpanzees enjoyed special ice cubes. According to the person in charge of the breeding department of the Beijing Zoo, the feed room will be frozen in the ice storage three days in advance, and each piece of ice will have a net weight of 20-30 kg. The frozen ice cubes will be transported to the venues where some heat-labile animals live. At the same time, the breeder will freeze some small fruit and vegetable ice to relieve the heat of primates and herbivores. It can also add moisture and water while cooling down. Sugar. It is understood that "fruit ice" is made by freezing the fruits and ice cubes that animals eat daily, and they are tied with straw ropes and hung up to allow the animals to feed themselves.
This year, Beijing Zoo has installed “automatic showers” facilities for Asian elephants, African elephants, and white rhinoceros stadiums for the first time. It is reported that when the animal passes the sensor, the sensor will receive the signal and then spray water, which can enhance the comfort of the animal's body surface at any time. Intelligent spray facilities are both energy-saving and environmentally friendly.
In addition, the zoo has done enough homework in terms of the comfort of the animal shelter. In the rhino and hippopotamus museum, the unbearable weather caused hippos to soak into the pool. The seemingly ordinary pool is actually a constant temperature pool. The keepers control the temperature of the pool at 25°C to 26°C. Even if the weather is hot, you can feel cool and comfortable in the constant temperature pool. When the outdoor temperature exceeds 27°C, polar bears, giant pandas, and chimpanzees will be called back to the animal shelter in time to enjoy the coolness.
Juicy fruits and vegetables are also essential in hot summer days. The nutrition director of Beijing Zoo will adjust the feed according to the needs of animals in different periods. It is expected that throughout the summer, the zoo will supply 47,760 kg of fruits, 43,600 kg of vegetables, and 256,870 kg of green fodder for animals. The daily supply of juicy fruits such as watermelon, pineapple, cantaloupe, golden melon and other heatstroke prevention and cooling fruits for animals is about 700 kilograms, 28 kinds of seasonal vegetables, 506 kilograms, and 2,848 kilograms of fresh alfalfa, mulberry twigs, and high dan grasses.
It is understood that when the outdoor temperature reaches 27°C or higher, the breeder will open the door that connects the indoor and outdoor, allowing the animals to freely choose the place to cool off, while increasing the frequency of artificial washing to enhance the comfort of the animal's body surface.