The hot oil boiler has been manufactured as radiation-type; Hot oil boiler have spiral oil pipes, from seamless steel boiler tube, wrapped up with one-, two- or three-way screw-steps depending upon the capacity and the velocity values, the flow of the gases have been designed as three-directional. The most critical place in all the installment is the hot oil boiler serpentines, since this is the hottest place. The other parts of the installment are less hot as compared to here, due to this reason, the velocity of oil at the serpentines have been adjusted according to the number of tubes openings at the manufacture. Since all the oil inside the system passes from the boiler spirals, the flow is fully under control. Thus, the safely heating of the heat carrier is obtained.
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In the key prevention and control areas, wall guards will be built on the bases of mountains, warning signs will be set up on the steep slopes of the mountains, and contact information for responsible persons will be kept. Staff will also regularly patrol the key prevention areas. In addition to these traditional prevention and control measures, advanced technology equipment has also been introduced to assist in some key geological disaster prevention areas.
For instance, at the Qingshan landslide point of Wanggezhuang Sub-district office in Laoshan District, the “Remote Real-time Monitoring Network for Geological Disasters in Shaoshan Mountain†was activated. The instrument is extremely sensitive and can accurately monitor any movement of the mountain, even if it is a centimeter of movement can send out information. In extreme weather conditions, emergency plans will be initiated. After the emergency response to urban floods is lifted, the prevention and control of geological disasters will resume normalization. The prevention and control of geological disasters can protect people's lives and property.
“Long-distance real-time monitoring network of geological disasters in Lushanâ€, the instrument can monitor the subtle movement of the mountain
Recently, the “Qingdao 2012 Annual Plan for Prevention and Control of Geological Disasters†was issued, which pointed out eight key areas for geological disaster prevention and control. In rainy weather, these key prevention areas are even more tense.