In recent years, with the in-depth development of environmental governance, the sanitation equipment industry has developed rapidly. As a large-scale state-owned enterprise, Shaanxi Auto Holding Co., Ltd. bravely assumes social importance, actively explores the needs of the urban environmental protection industry, and has made outstanding contributions in the fields of environmental protection slag trucks, construction waste removal, urban environmental governance, and new rural environmental governance. Shaanxi Auto Commercial Vehicle, Shaanxi Auto's production base for the production of sanitation and light truck sanitation products, successively penetrated into the front line of environmental sanitation vehicles for many years, deeply understood market demand, and achieved rapid development of products. At present, more than 2,000 vehicles of various types of sanitation vehicles have been put into use. Among them, vegetable transport vehicles, grain transport vehicles, detachable garbage trucks, and multi-functional dust suppression vehicles have played an important role in food transportation and urban environmental governance. Product quality and environmental protection The performance has also been widely praised by governments and people at all levels. Shaanxi Automobile commercial vehicle sanitation vehicle series uses high-tech, high-safety cabs. The cab has a novel appearance and atmosphere and is equipped with a heating and air-conditioning system. The instrument panel adopts an island-like layout that is easily operated by buttons, adjustable shock-absorbing seats, and a hydraulic power steering system. The driving control is light and comfortable. The power system is equipped with engines of well-known brands such as Yuchai, Yunnei, Weichai and other trucks. Fast transmission and high load-bearing rear axles have high transmission efficiency and are environmentally friendly. The tops section cooperates with well-known top-loading manufacturers in China to build a sanitation vehicle with reliable performance and high quality. Xuande series of sanitation vehicles are mostly small and medium sized, with high resource utilization rate, and are widely applicable to environmental governance in urban and residential communities. The sanitation trucks exhibited by Shaanxi Auto Commercial Vehicles at this exhibition are purely electric detachable garbage trucks, high-pressure blower-suction cleaning vehicles, multi-function dust suppression vehicles, compression garbage trucks, green sprinklers and diesel detachable garbage. car. Among them, the pure electric detachable garbage truck is a conversion of the Shaanxi Automobile commercial vehicle on the basis of the chassis of its Xuande E9 pure electric light truck . It is equipped with Lixin 's high-capacity ternary lithium battery, and cooperates with the industry-leading brands of motors and controllers. The bearing capacity, driving range and power performance are outstanding, and truly realize the “zero pollution†governance of the urban environment. In addition, irrespective of the diesel version and the purely electric version of this exhibition, the detachable garbage truck can achieve the function of dragging multiple cars by one car, and the high vehicle utilization rate is also a clear advantage of this model. On the basis of ordinary sweeper cleaners, high pressure blower cleaners have significantly increased the cleaning and removal rate of vehicle refuse by increasing the blowing and suction force. From the point of view of live demonstrations, it is common for road cleaning to clear common bricks that are difficult for ordinary machinery to pick up. Bottles and other garbage can be easily cleaned, greatly reducing the difficulty and intensity of the work of environmental sanitation workers. As one of the powerful tools for smog control, the multifunctional dust suppression car has also become a major highlight of this exhibition. Many exhibitors have exhibited one after another. The multi-functional dust suppression car adopts the principle of electronically controlled fan spray to refine the water into mist and use the fan to spray, which not only achieves the effect of dust removal and hail reduction. At the same time, the utilization rate of water is increased by more than 80%, and the water-saving efficiency is high. Because of the use of generators and fans, the noise problem of dust suppression vehicles is currently a major problem that cannot be solved by all companies. The Xentex multi-function dust suppression car uses a new noise reduction technology to make the noise of multi-function dust suppression vehicles from the original 100 dB. The above reduction to the current 60 decibels or less, efficient operation and to avoid noise pollution, become the biggest bright spot in the exhibition dust suppression car, in addition, the dust suppression car also comes standard with LED display, which not only improves the vehicle's identification during the operation process With higher security, it can also be used for environmental promotion. In addition, according to manufacturers, the traditional types of green sprinklers and compressed garbage trucks displayed at the exhibition were also re-optimized through the use of new scientific and technological achievements. The fuel economy, service performance and product reliability all reached the industry's top level. In the past two years, the country’s investment in environmental governance has continued to increase, and people’s awareness of environmental protection has continued to increase. Sanitation equipment manufacturing companies have also continued to innovate and improve, and our living environment has improved significantly. I believe that with the concerted efforts of the government, enterprises, and the masses, the long-lost blue sky will surely reappear.
Why is the air dry in winter?
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High-pressure blowing suction garbage truck 
Pure electric detachable garbage truck 
What we call humidity is divided into two kinds, absolute humidity and relative humidity.
Absolute humidity refers to the amount of water molecules per cubic meter of air.
Relative humidity refers to the ratio between "absolute humidity" and "saturation humidity".
"Saturation humidity" refers to the absolute humidity required for the water vapor in the atmosphere to reach saturation at a certain temperature. Saturation humidity is also closely related to temperature. The higher the temperature, the greater its value.
The drying or wetting we usually feel does not have a great relationship with absolute humidity, but mainly depends on relative humidity. Therefore, this issue should be discussed as follows:
On the one hand, when the temperature is low in winter and the saturated vapor pressure is small, the absolute humidity of the air is small.
On the other hand, when the temperature is low in winter, the value of saturated humidity is also small. When the absolute humidity is the same, the relative humidity is greater.
Generally speaking, there are positive and negative effects of temperature on humidity. Which role plays a major role should be discussed according to the actual situation.
In some areas it gets dry in winter, while in others it may get wet. The temperature is low in winter. Even if the relative humidity is 100%, the water vapor content is still very low. After we inhale air, the air is heated to body temperature, and the relative humidity will become very low, so we will feel dry. The air we exhale is basically saturated steam at body temperature, so we consume a lot of water when we breathe.
The air near the skin will also be heated, so the moisture of the skin is also easy to evaporate
The doctor suggested that an Aroma Diffuser should be placed indoors, which can effectively and immediately solve the problem of indoor air drying, humidify the air and solve the problem of air drying. The ultrasonic aroma diffuser should be used, and the fog should be sprayed out through vibration
The “2016 China (Xi'an) International Exhibition on Environmental Protection, Sanitation and Municipal Cleaning Equipment and Facilities†was officially kicked off on October 13, 2016, co-sponsored by the Shaanxi Provincial City Environmental Health Association and the China Environmental Protection Association's Solid Waste Professional Committee. A number of companies exhibited and exhibited a lot. Among them, Shaanxi Automobile's commercial vehicles were unveiled at the six models of sanitation vehicles.