Recently, China Soil Environmental Rehabilitation Industry Technology Innovation Strategic Alliance (referred to as the EU) and Jiangsu (Yixing) Environmental Protection Industry Technology Research Institute jointly lead the Chinese Academy of Environmental Sciences, Environmental Protection Agency Environmental Planning Agency more than 30 units, including the " China Soil Remediation Technology and Market Development Research Report (2016 ~ 2020) "(hereinafter referred to as the report) was officially released.
According to reports, the soil remediation industry has developed rapidly in recent years, the community is highly concerned about the report from the planning and preparation to the assembly into a book, which lasted a year of accumulation and precipitation, during which several amendments, improved, and finally successfully released. Based on the data of specific market projects, the report provides an in-depth analysis of the status quo and development trends of the soil remediation industry. The report of more than 30 soil remediation practitioners and their interpretations of the soil pollution and treatment in China is of great value to practitioners in the industry A certain guiding significance.
Jiang Lin, dean of the Beijing Municipal Institute of Environmental Protection, said: "The recent release of the" Action Plan on Soil Pollution Prevention and Control "has an important impetus to the development of the industry. In fact, soil remediation, especially for contaminated sites, has entered a period of rapid expansion , The development of the industry is in urgent need of relevant technologies, policies and market analysis reports to provide reference for practitioners. Personally, I think the release of this soil report is very timely and meaningful. "
Dr. Wang Wenyi, an associate editor of the Environmental Protection Industry Technology Research Institute of Jiangsu Province (Yixing), one of the report leaders, gave a detailed explanation and explanation of the key contents of the report. According to reports, the report is based on data from 755 open soil tendering projects in the market. According to the current status of soil pollution in China, relevant policies and regulations, application of investigation and evaluation, application of restoration technologies, market size prospect, employing units and investment and financing modes This paper reviews, summarizes and analyzes the soil remediation technology and market development in our country and provides important reference information for understanding the direction of future research and development of soil remediation technology, rehabilitating market trends and guiding the national policy.
Why say closed cooling tower is energy saving and environmental protection equipment, more and more users are using this kind of equipment to replace the original equipment (open tower), we can through data analysis and comparison, the two energy data accounting can be obvious. Energy consumption is basically two major aspects, one is water, the other is electricity. Both are energy costs that no cooling tower can escape, unless you leave the equipment on.
First of all, look at the consumption of water. Water is generally consumed in two aspects. One is the flying overflow after spraying, and the other is the evaporation consumption of water.
Let's look at the open cooling tower, the spray water of the tower is basically between two and three percent of the overflow rate, if we according to the daily operation of 10 hours, excluding holidays, 280 days of operation. According to the actual open cooling tower flow of 6000 cubic meters per hour to calculate. 6000*2%*10*280= 336,000 tons of water, and the same closed cooling tower, its spray flying overflow is very small, because after all, the spray work is carried out in the tower, almost can be controlled in a few thousandths, we calculate according to 5 thousandths, the same is 10 hours of work, 280 days a year operation, To achieve the same cooling amplitude is basically 4,500 tons per hour of closed cooling tower is enough, then the calculation results: 4,500 *0.5%*10*280= 63,000 tons, it is not difficult to see, because of the different design structure caused by the waste of spraying water resources, more than 200,000 tons of terror. The bigger the pool of the open tower, the more wasted water, because the evaporation area increases, and the closed cooling tower has no pool, so the consumption here is zero. Judging from the price of a ton of water, just such a equipment, a year to solve the capital of hundreds of thousands of enterprises.
Let's look at the comparison of electric energy, electric energy is not different, because they are all through the same power equipment to operate the equipment, the power of the two is similar, the running time is the same, basically the energy consumption is about the same.
To sum up, for the closed cooling tower energy saving accounting can be strong to open the tower out, and, today are advocating energy conservation and environmental protection, this is the general trend, so the closed cooling tower is more and more favored by the majority of users.
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