On the 12th, the Ministry of Science and Technology, the Ministry of Agriculture, the Ministry of Finance, and the State Grain Administration jointly held the inauguration meeting of the “12th Five-Year Plan†and “National Grain High-tech Production Project†in Beijing. In the next five years, this project will continue to be implemented in 13 major grain-producing provinces (regions) in China.
The 13 major grain producing provinces (regions) are Hunan, Hubei, Jiangsu, Jiangxi, Sichuan, Anhui, Henan, Hebei, Shandong, Jilin, Heilongjiang, Liaoning and Inner Mongolia Autonomous Region.
“Under the current situation that international food prices have risen sharply, market supply has tightened, and the food security situation is extremely tight, it is necessary to recognize the new situation faced by China’s food security in the 12th Five-Year Plan and fully deploy systematically grain science and technology work.†Minister of Science and Technology Wan Gang said.
He put forward five requirements for the "12th Five-Year Plan" grain science and technology work. The first is to raise awareness; the second is to highlight scientific and technological innovation, promote the integration of high-yield food technology and increase production in large areas; the third is to encourage and support scientific and technological personnel to go to the frontline of the rural grassroots; fourth is to strengthen the construction of food production and high-tech science and technology bases, platforms, and personnel; Increase food science and technology investment.
During the “Eleventh Five-Year Plan†period, the “National Scientific Project for High-yield Food Production†highlighted the "three major crops" of rice, wheat, and corn, based on the "Three Great Plains" of the Northeast, North China, and the middle and lower reaches of the Yangtze River, and strengthened the research field, core area, and demonstration area. , radiation area "a field three areas" construction.
In the past five years, with science and technology innovation as the core, government guidance and market integration as the mainstay, namely the "one machine and two wings" of rural science and technology innovation and entrepreneurial action, has promoted the effective implementation of the "national grain production science and technology project."
According to statistics, through the implementation of the project, the country has accumulated an area of ​​835 million mu in the “three districts†and increased production of more than 46.66 million tons of grain in five years. The increase in grain production accounts for more than 17% of the country’s total over the same period; the increase in the unit production is 2.7 of the national average. Times.
In addition, the project has led to the integration of 180 sets of high-yield, high-yield and high-yield cultivation techniques for grain crops with regional characteristics, which has increased the utilization rate of chemical fertilizers in the core area by more than 10%, decreased the use of pesticides by more than 25%, reduced disaster losses by more than 15%, and created the Yangtze River. The single-season rice production exceeds 900 kg in the single-season rice, 1,325 kg in the double-season rice, 750 kg in the wheat in the Huang-Huai-Hai region, and 1,700 kg in the winter wheat/summer corn per year. This is to achieve food production increase and protection. National food security provides strong technical support.
Food is a strategic commodity that ensures life, prices, and people's confidence. To ensure food security is a top priority for the people's livelihood. China has proposed the goal of adding 100 billion kilograms of grain by 2020.
Closed Cooling Tower
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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