Due to the development of industrial and agricultural production, the degree and scale of human development of natural resources is also constantly developing. When human economic activities violate the laws of nature, it will inevitably lead to revenge from nature. Some mudslides occur because of unreasonable human development. In recent years, the number of debris flows induced by human factors is increasing. The human engineering economic activities that may induce debris flow mainly include the following aspects:
(1) unreasonable excavation: excavation unreasonable construction of railways, roads, canals, and other engineering buildings. Some mudslides are formed by the construction of roads, canals, railways, and other construction activities that destroy the surface of the slope. For example, the Laogangou in the Dongchuan-Kunming Highway in Yunnan Province destroyed the mountain due to the repair of roads and canals. In addition, the 1966 Rhino Mountain earthquake caused collapse and landslides, which made the mudslide more serious. Another example is that Hong Kong has built many large-scale projects and ground buildings over the years. Almost every project has to be reclaimed or filled in the mountains to obtain suitable construction sites. A heavy rain in 1972 caused 120 people at the construction site to die from the debris flow caused by the landslide.
(2) Unreasonable spoil, slag, quarrying: There are many examples of mudslides formed by this behavior. For example, Hanluogou, a smelting iron mine in Suining County, Sichuan Province, abandoned the soil and slag due to irrational piles. In 1972, a heavy rain broke out the mudslides of the mines, rushing out about 10 million cubic meters of loose solid matter, and buried 300 meters into the Kunming Railway. Xi (De) - West (Chang) Highway 250 meters, interrupted traffic, causing serious losses to transportation. Another example is the west of the Ganchuan Highway. In the winter of 1973, stone was mined in the trench along the road. On July 18, 1974, a mudslide occurred, causing 15 bridges and culverts to be blocked.
(3) Deforestation: Deforestation will cause vegetation to disappear, the slope will lose protection, the soil will be loose, and the gully will develop, greatly increasing soil erosion, and the stability of the slope will be destroyed, and the development of unfavorable geological phenomena such as collapse and landslide will occur. As a result, it is easy to produce mudslides. For example, the middle reaches of the Bailong River in Gansu Province is now a famous mudslide-prone area in China. More than a thousand years ago, bamboo trees were dense and beautiful, and after the burning of charcoal, burning mountains and land, and the forest was broken, the mudslides were flooded. Another example is the big ear on the Shizizigou Mountain in Ganchuan Highway. It was originally a forest area. Due to deforestation and land reclamation, the mudslide in 1976 destroyed the downstream villages and highways, causing serious loss of people's lives and property. The local people said: "The mountain is open to acre, and the mountain is under a light."
KC/KWB series Industrial Chiller is mainly applied in Plastic & Rubber industry; it can accurately control the molding temperature and shorten the molding cycle, increase the product quality and improve the production efficiency. They are also widely used in Metal working, Mechanical & Engineering, Chemical & Pharmaceutical, Food & Beverage, Laser, Electronics industry, Textile, Electroplate, Semi-conductor testing, Water jet, Vacuum coating, Construction and Military.
Design features
¨ Adopted world famous brand compressors and high efficiency condenser and evaporator, ensure high cooling efficiency, low energy consumption, low noise and long service life.
¨ Chilled water temperature range 5℃ to 35℃.
¨ R22 charged, CFC free type R407C, R410A, R404A, R134A for option, high cooling efficiency.
¨ Over sized evaporator and condenser ensure the chiller unit running under 45C high ambient temperature.
¨ Microcomputer control system offering accurate temperature stability within ±1℃.
¨ Low noise and big volume air blower.
¨ Standard equipped Iron pump, stainless steel or high lift pump for option.
¨ Multi-protection devices ensure the chiller unit running safely.
¨ The innovative evaporator-in-tank configuration ensures a steady water temperature offered, as the evaporator also cools the tank itself, reduces ambient heat gain, and increases the efficiency.
¨ KWB Water Cooled Industrial Chiller adopted shell and tube condenser, features speed heat dissipation and high cooling efficiency, it is good to be used in High ambient temperature area with abundant water.
¨ KC Air Cooled Industrial Chiller adopted aluminum fin/copper tube type condenser, easy for cleaning and installation.
¨ Power supply: 1PH 220V/50HZ-----1/2HP to 2HP
3PH 380V/415V 50HZ-----3HP to 60HP
Air Cooled Heat Exchange Equipment
Air Cooled Heat Exchange Equipment, Heat Exchange Equipment, Cooled Heat Exchange Equipment
Shenzhen city KayDeli Refrigeration Equipment Co.,Ltd. , https://www.kaydelichiller.com