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Tap water comes uninvited.

Water is the source of life, and our life.closeRelated, turn on the tap,Tap water flows out slowly. While enjoying the convenience brought by modern life, have we ever wondered where these tap water comes from? What technological processes have you gone through to reach thousands of households? today,We walked into Beihai main water supply plant.—— North Suburb Water Plant, visit the surface water purification process, and learn about the "past lives" of tap water together.

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The first article ?Brief introduction of beijiao waterworks

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The Northern Suburb Water Plant adopts surface water technology, and the water source is Niuweiling Reservoir. The design daily water supply capacity of Phase I is as follows150,000 tons. The northern suburb water plant started construction in 1993, and was shut down in 1996 due to the influence of national macro-control. In 2009, our company invested 65 million yuan to start the continuation project of the northern suburb water plant. In October 2011, the construction of the continuation project was completed. However, due to the serious eutrophication of the water source of Niuweiling Reservoir, the water after conventional treatment has a heavy muddy smell and it has been transformed into an underground water plant. In 2017, in order to effectively alleviate the shortage of water supply in our city, the water quality upgrading project of Beijiao Waterworks was started. Pretreatment and advanced treatment processes were adopted for the eutrophic raw water of Niuweiling Reservoir. The project was completed in December 2018, with a total investment of 97.8362 million yuan, and was officially put into production on January 7, 2019. In order to further improve the security of urban water supply, the company started construction of the second phase of Beijiao Water Plant in September 2020 according to the requirements of the municipal party committee and the municipal government, and it is expected to be completed in December 2022. The total investment of the project is 323 million yuan. In the past 12 years since 2009, our company has invested about 486 million yuan to improve the quality of drinking water in our city and ensure the safety of urban water supply.

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北郊水厂一期工程全流程鸟瞰

北郊水厂的水源来自牛尾岭水库，我们把它称之为“原水”。水源地的选择不仅要求水质良好、便于卫生防护，而且必须符合水源水质标准的要求。原水可以直接使用吗？当然不可以！里含有各种各样的杂质，包括藻类、泥沙、等等，直接饮用会对人类的健康造成很大的伤害。自来水厂水处理的目的就是通过一系列的水处理工艺，一步步净化，水质Meet the national drinking standards.after, is allowed to be sent to thousands of households.

let ustogetherunderstandSurface water process flow bar

1. Raw water of Niuweiling Reservoir

After visiting the water treatment processfinish

youwhether or notHave a deeper understanding of tap waterUnderstand andknow

From raw water to tap water

After a series of complicated procedures

Standardized purification again and again

It’s really not easy

Tap water comes uninvited.

We should be morewhentreasure

There are many microorganisms, protozoa, viruses and pathogenic bacteria in natural water. In order to prevent pathogenic bacteria from bringing diseases to people, water supply companies will adopt disinfectants such as liquid chlorine or chlorine dioxide to disinfect and kill microorganisms and pathogenic bacteria in water.

Chlorine dioxide and liquid chlorine used by our company for disinfection are effectively controlled in strict accordance with the national Hygienic Standard for Drinking Water in the production process. The limit value of chlorine dioxide in the factory water using chlorine dioxide disinfection process is as follows0.1-0.8mg/L, the pipe network water limit value is greater than 0.02mg/L, the residual chlorine limit value of the factory water by liquid chlorine disinfection process is 0.3-4mg/L, and the pipe network water limit value is greater than 0.05 mg/L.

Users smell the smell in the process of use because people’s taste threshold for chlorine is0.2-0.5mg/L, when the chlorine in water exceeds 0.2mg/L, people can smell chlorine, but it is within the national standard value, which is qualified and safe drinking water, and users can use it with confidence.

　　[Aika Auto Overseas New Car Original]

　　A few days ago, overseas media exposed the rendering of the production version of BMW i4. It can be seen that the new car is based on the i4 concept car released at the Beijing Auto Show, but many details have been changed in mass production. It is reported that the BMW i4 is built on the CLAR platform and will be equipped with the fifth-generation eDrive technology, and the comprehensive cruising range of WLTP can reach 600km.

　　Judging from the rendering of this exposure, the production version of BMW i4 is based on the previously released concept car, but the appearance details have been adjusted. For example, we found that the headlights of the production version of BMW i4 have become more similar to the 4 Series, which is more in line with the requirements of production cars. In addition, the new car has added more blue elements to the front grille to highlight its identity as a new energy vehicle.

　　As for the tail, the overall shape of the production version of BMW i4 continues the design of the concept car, but the lines are more muscular. In addition, the rear surrounding shape of the new car has been adjusted to some extent compared with the concept car, and the blue decorative board has a larger area.

　　As for the interior, referring to the previously released concept car, the BMW i4 adopts the driver-centered design concept, and the new curved display screen is combined with the steering wheel to show the innovative design in the future. The information display screen and the control display screen are merged into a whole device inclined to the driver. Screen grouping can optimize the way of displaying information content, and provide more intuitive touch screen operation, and almost all operating functions are integrated into the display screen, thus reducing the number of touch controls to a minimum.

　　In addition, the central control panel of the new car replaces the traditional shift lever with a paddle shift button, and the components such as the iDrive control button and the seat memory button are all made of crystal components. The seat material is composed of superfine fiber with line pattern and natural leather tanned with olive leaves, which embodies the design concept of environmental protection and sustainability. In addition, the BMW i4 concept car comes with three different driving experience modes, and there will be exciting visual differences among the three experience modes ("personal", "sports" and "efficient"), from the display screen and picture to the presentation of the interior.

　　In addition, the BMW i4 not only has a fashionable shape, but also has a unique voice. It was jointly developed by Hans Zimmer, a world-famous composer, and Renzo Vitale, a BMW audio designer, under the brand of BMW IconicSounds Electric, aiming at making BMW electric cars more emotional and reminding other road users with personalized voices. For example, when switching from the "core" mode to the "sports" mode, the sound of the BMW i4 concept car will gradually increase and become louder, including the sound of opening the door and starting the vehicle.

　　In the power system, the new car is equipped with the fifth-generation BMW eDrive electric drive technology, with a maximum output of 390kW(530Ps). It is equipped with a battery pack with a capacity of 80kWh, with a cruising range of 600 km (under WLTP), an acceleration time of 0-100km/h of only 4s and a top speed of over 200km. In addition, the maximum charging power of the new car is 150kW, and it only takes 35min to charge the power to 80%.

Wonderful content review:

Real shot BMW i4 concept car performance comparable to M4 electric car.

Beijing Auto Show: BMW i4 concept car officially launched in China.

Technical analysis of BMW i4 concept car in its bones.

BITECH On September 26, Ford Motor officially announced that the 2025 Changan Ford was listed. The new car launched a total of 9 models, and the official guide price was 149,800 – 229,800 yuan. At the same time, the 1.5T EcoBoost ? E hybrid version of Shuya type was added, which was sold for 177,800 yuan, further reducing horsepowerEThe starting threshold for hybrid models.

In addition, the official also announced that the purchase of a car enjoys 0 down payment and 0 interest rate, and there are up to 26,888 yuan of car purchase benefits, including 1 yuan to enjoy a cash gift of 2,000 yuan for a limited time, a car purchase subsidy of 5,700 yuan for a limited time, and a replacement subsidy of up to 10,000 yuan.

2025 Ford Mondeo as a small facelift model, the overall design of the new car retains the family characteristics, still using the dynamic mouth grid grille, headlight shape is very sharp, the main change is the appearance of the new paint color, at the same time, the interior color scheme also has a certain change, in addition, the configuration has also been optimized to a certain extent.

From the side, the new car adopts a dynamic slip-back shape. The windows, roof, and exterior mirrors are all painted in black, and the hidden door handle design is adopted. In terms of body size, the length, width and height of the new car are 4920/1920/1600mm, and the wheelbase is 2945mm.

In terms of interior, the 1.1-meter-long Dalian screen is the most eye-catching design in the car. It extends directly from the main driver to the co-pilot, and the visual effect is relatively shocking. The all-black interior is also embellished with local red lines and elements to improve the visual effect. The materials used in the car are basically leather soft bags, and sutures are also added to give users a certain sense of grade.

In terms of power, the 2025 Changan Ford Mondeo offers 1.5T/2.0T gasoline and 1.5T/2.0T gasoline-electric hybrid power systems. The maximum power of the new Ford Mondeo 1.5T gasoline engine is 140 kW and the peak torque is 258 Nm; the maximum power of the 2.0T gasoline engine is 187 kW and the peak torque is 393 Nm. The transmission system of the gasoline version is an 8-speed automatic transmission. The newly added 2025 Ford Mondeo 1.5T hybrid Shuya type is equipped with a 1.5T hybrid system, equipped with a 1.5T hybrid system, 153 kW, matched with an E-CVT gearbox. Its WLTC comprehensive fuel consumption is 4.56L/100km.

Editor in charge: Guan Xuetao