国产综合欧美高清_女高中生18禁高潮娇喘出水_中文无码综合99_国产ts系列赵恩静在线观看_成人午夜免费在线院_亚洲成在人网站天堂直播_免费看顶级直播片_精品无码AV无码国产_午夜一级毛片久久亚洲_日本不卡免費新一二三區

1. Concrete mixing and cooling
Based on the construction of large volume concrete in highways, high-speed railways, tunnels, hydropower, dams, bridges, hydropower stations, and other projects, it is necessary to ensure that cracks do not occur on thick concrete structures. To improve the quality of the project, it is necessary to reduce the hydration and pouring temperature of the concrete. Therefore, our company has introduced advanced foreign technology and equipment, The new generation of industrial chiller equipment specifically designed for concrete mixing plants, developed by engineers, can produce low-temperature chilled water to reduce the outlet temperature of concrete. The temperature of concrete can drop below 15 degrees. At the same time, cement, gravel, and yellow sand produce high-quality products at temperatures between 20-30 degrees Celsius. However, the environmental temperature in summer is very high, and the water temperature is also high, which is not conducive to mixing. Therefore, a dedicated industrial chiller for concrete mixing plants is used to directly provide chilled water at 0-10 ° C, or an ice water mixture at 0-2 ° C, which can fully meet the requirements of national quality inspection for the process cold source of concrete cooling.

2. Tunnel cooling
During tunnel construction, the temperature inside the tunnel will exceed 40 degrees Celsius, and ordinary fans cannot meet the cooling requirements. At this point, it is necessary to exchange cold water and fans, or directly use low-temperature cold air fans to send low-temperature cold air into the tunnel, in order to meet the cooling needs of the space.