China-Singapore Jingwei Client, December 18, 2020 may end in a violent cold wave. The Central Meteorological Observatory will continue to issue an orange cold wave warning at 10 o'clock on the 28th.
In addition, Beijing, Henan and other places have also issued cold wave warnings, indicating that they will be prepared for the cold wave to ensure residential heating needs.
Beijing: Gale + Cold Wave Warning
During the cold snap, "the temperature drops, the room temperature does not drop"
The blue cold wave warning information issued by the Beijing Meteorological Observatory at 16:30 on the 27th. Affected by the strong cold air, cold wave weather is expected to occur in Beijing from December 28 to 30. The minimum temperature will drop by more than 8 ℃, and it will reach 30 at night on the 28th. The average daily wind force is around 5 levels.
From December 29 to January 1, 2021, Beijing will experience sustained low temperature weather, and the daily minimum temperature in the plains will be below minus 10°C.
At 10:30 on December 28, the Beijing Meteorological Observatory issued another blue warning signal for gale: It is estimated that from 20: 00 on the 28th to 20: 00 on the 29th, most areas of Beijing will have a magnitude 5 northerly wind and a magnitude 7 gust.
According to media reports, the Heating Office of the Beijing Municipal Urban Management Committee recently issued an early warning notice for heating during the heating season, requiring all district heating management departments and heating units to prepare for continuous low-temperature weather, and run heating equipment in advance to ensure cold currents. During the "temperature drops, the room temperature does not drop".
The notice stated that the external environment is low and the system is operating under high temperature and high pressure. Each heating unit should strengthen staffing, strengthen inspections, emergency teams should be on duty, and emergency situations such as pipe network bursts should be dealt with quickly and properly. Construction safety protection.
In view of the weak links exposed in the operation, it is necessary to do a good job of accounting.
In addition, each district heating management department should increase the weight of the assessment during the cooling period, check the distribution status of the district in the heating service management platform at any time, and find the district with a sharp increase in complaints, check the service situation of the heating unit at the first time, and supervise it Rectification, conduct interviews with heat supply units that are ineffective in rectification and have an improper attitude, and link them with subsidies.
Henan: The local minimum temperature drops to -16℃
Ensure the smooth operation of central heating
On December 26, the official Weibo of the Henan Meteorological Service Center stated that under the influence of strong cold air, there will be a strong cold wave in Henan Province from 29 to 31, with a temperature drop of 10-12 ℃; most of the mornings on the 30th and 31st The lowest temperature in the area can drop to about -10℃, and the local temperature is -12～-16℃.
The overall intensity of this strong cold wave is expected to be comparable to the extreme cold wave process on January 22-24, 2016. It also has the characteristics of wide range, high intensity, severe cooling, and long duration of low temperature, especially in high-altitude areas in the west.
From the night of the 28th to the day of the 29th, sleet in the province turned light to moderate snow, and heavy snow in parts of the west and southeast.
The Henan Meteorological Bureau has initiated the cold wave level III emergency response. Due to the strong cold air and the long duration of low temperature, it is necessary to prevent the adverse effects of snowfall, strong wind, low temperature and cold weather on transportation, facility agriculture, urban and rural transmission lines, water supply pipelines and other public facilities .
On December 27, the High-speed Traffic Police Corps of the Henan Provincial Public Security Department issued a message to launch an emergency plan for severe weather to ensure the safety of mass highway travel.
On the same day, the relevant person in charge of the State Grid Henan Electric Power Company stated that he would spare no effort to deal with the test brought by the cold wave, take precautions and emergency work, and ensure the safe and stable operation of Henan power grid and reliable power supply.
State Power Investment Nanyang Thermal Power Co., Ltd. also stated that it has increased its coal procurement efforts, and continues to improve the monitoring and regulation level of the pipeline network to ensure the smooth operation of centralized heating.
Shandong: cold wave, rain and snow, strong wind, and temperature drop
Start the backup heat source to realize the full-load limit heating of the whole network
The Shandong Meteorological Observatory issued a yellow warning signal for cold wave and strong wind on the sea at 8 o'clock on December 28. It is expected that there will be cold wave weather in Shandong from the night of the 28th to the 31st, with large-scale rain and snow, strong cooling and strong winds.
The temperature drop is 10-14℃, and the lowest temperature appears on the 30th to 31st.
From the night of the 28th to the day of the 29th, sleet changed to light snow in Dezhou, Binzhou, Dongying and Liaocheng, and light rain changed to heavy snow in other areas and local blizzards.
Jining City recently held a video conference on cold wave weather and epidemic prevention and control work. The meeting pointed out that it is necessary to highlight the focus of work, make every effort to ensure the warm winter, heating operation, and transportation safety of the needy people, and make every effort to do a good job in agricultural disaster prevention and mitigation and prevention in various key industries. Disaster mitigation and production safety work.
The heating unit shall improve the emergency protection plan for rain, snow and cold wave weather, strengthen the inspection and inspection of the heating pipe network, and eliminate the hidden troubles in time; it is necessary to conduct a comprehensive inspection of the heating conditions of key parts such as old communities, schools, nursing homes, and nursing homes. Rectify the problem as soon as possible.
It is necessary to pay close attention to the decentralized support of the poor in urban and rural areas, the empty-nest elderly, the orphaned children, left-behind children and other groups in special difficulties, specify a designated person to guarantee the responsibility, and make every effort to ensure that the needy people stay warm through the winter.
In addition, at 11:15 on December 26, the Tai'an City Meteorological Observatory issued a cold wave and large-scale rain and snow weather forecast.
According to the staff of the National Energy Taian Thermal Power Company, the company currently has sufficient fuel reserves, with a daily intake of about 5,000 tons of coal, which fully meets the operating needs of the unit.
The company and the urban heating power company do a good job of heat dispatching, and timely adjust the water supply pressure, temperature, flow and other parameters of the first heating station to ensure the heating demand of residents during the cold wave.
According to the urban thermal staff, according to the latest weather forecast, during the continuous low-temperature cold wave around New Year's Day, extreme temperatures are expected to reach or exceed the design critical temperature of the heating system in Tai'an, which may affect the heating effect of thermal users.
In order to better meet the heating needs of the citizens, all backup heat sources will be activated at that time to realize the full-load limit heating of the entire network.
Dalian: New Year's Day will also have a seamless connection of cold air
Fully guarantee the stability of heating
The Dalian Meteorological Observatory issued a gale yellow warning signal at 10:26 on December 28; In addition, earlier on the 28th, the Dalian Meteorological Observatory stated that due to the strong cold air, Dalian will experience the strongest cold wave and gale weather since the beginning of winter on the 28th. process.
The temperature is expected to drop sharply, with the highest temperature during the daytime in the urban area being 0℃ and the lowest temperature at night -8℃.
On Tuesday, the temperature in Dalian city is -12～-8℃, and on Wednesday it is -12～-7℃. The lowest temperature in the northern part may drop to -17～-15℃.
At present, during the New Year's Day, there will be a seamless link of cold air, and the duration of low temperature will be forced to extend.
The Dalian Power Generation Company stated that it will promptly investigate the “cold protection and anti-freeze” work to ensure the safe and stable operation of the unit and to ensure stable heating.
Focusing on equipment operation management and elimination management, the company conducts inspections of cold and frost-proof hazards in departments and regions, and strengthens the frequency of inspections for frost-prone equipment, so that cold- and frost-proof work is focused, divided, and fully covered.
At the same time, strengthen the inspection of key equipment and key parts, conduct a comprehensive inspection of the production plant, door and window pipeline facilities, and heating equipment, and increase the inspection of heat tracing equipment and outdoor equipment pipeline insulation to ensure the cold winter. The equipment is in production.
In addition, Anhui, Ningxia, Jiangsu, Hebei and other places have also issued cold wave weather warnings.
Anhui Meteorological Bureau forecasts that from the night of the 28th to the 30th, there will be a cold wave in Anhui Province, and the average temperature of the province will drop by about 10°C.
The Ningxia Meteorological Observatory issued a blue cold wave warning signal on December 27. It is expected that the daily average temperature in the region will drop by about 10 degrees from the 28th to the 30th, and the lowest temperature in the region will generally drop to minus 25 degrees to minus 18 degrees on the 30th.
(Zhongxin Jingwei APP)