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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[ China Agricultural Machinery Industry News ] Recently, Chongqing, Jiangxi and other regions responded to the Ministry of Agriculture's call for plant protection drone subsidy pilots, have introduced subsidy programs, stand-alone purchase subsidies up to 1.7-2.9 million. With the launch of subsidies for purchases in various places, the market holdings of plant protection drones in China will reach a new level, followed by a huge gap in plant protection drones.
When it comes to drone flying hands, many people first think of high wages, good prospects, and the market is lacking. In addition, various online training institutions use online media to publicize them, leaving the impression that the flying hands are scarce and potential. The market is huge, and taking a drone license can bring high salaries and enviable jobs.
It is true that there is a huge gap in the demand for plant protection drones. The monthly income of this profession is indeed as high as 1.5-2 million. But this does not mean that the majority of farmers’ friends can easily take this test after they have gone to the training class. Income is included in the bag.
why?
Because the plant protection UAV flying hand is a relatively professional occupation, it needs a sound training system. At present, most of the plant maintenance submarine flying hand training is the manufacturer. The manufacturer training is based on the premise that the user purchases the product, but it is Tens of thousands or even hundreds of thousands of drones are not affordable to any farmer friend even if they have corresponding policy subsidies.
The training threshold for manufacturers is high, and the low-threshold social training institutions have emerged. But let's not say whether social training can shoulder the market's requirements for the scale and specialization of drones. It is only after the completion of the academic institution that the social institution is not qualified to issue the nationally recognized relevant documents to the flying hand, which basically cuts off the “high salary dream†of the students.
What's more, the current market needs the flying hands to install, debug, maintain and even repair the common flight control equipment on the market. These skills are not taught by the social training institutions for a few months or even just ten days.
For those who actually take a monthly salary of over 10,000, they usually need more than 5 years of relevant experience, including flight time, assembly skills, and debugging experience. Therefore, the majority of peasant friends are advised not to be confused by the overwhelming network propaganda, blindly devote themselves to it, so that they are not worth the candle.
In this regard, relevant experts have called for the government to work with agricultural science research institutes, research institutes, industry associations and drone companies to formulate relevant industrial standards for agricultural drone product production, flying hand training, and safe operation. (Original title: Plant protection drone flying hand training chaos, what about easy monthly income?)