Sulfur has a relatively large environmental pollution. The pollution of sulfur oxides and hydrogen sulfide to the atmosphere, and the pollution of water bodies from sulfate and hydrogen sulfide are the focus of environmental protection work at present. A large amount of coal is burned in the production process of thermal power plants, and coal often contains a certain amount of sulfur, which will release a large amount of SO2 after being burned. If it is not treated, it will cause great harm to the environment. Therefore, desulfurization equipment is generally used in the power industry.
Desulfurization equipment generally refers to a series of equipment used to remove sulfur from coal and prevent the formation of SO2 during combustion in the production of the power industry. At present, the limestone-gypsum desulfurization process is the most widely used desulfurization technology in the world. Zhengzhou Dingsheng Engineering Technology Co., Ltd. has successfully developed a professional desulfurization grinding system after many repeated tests. Zhengzhou Dingsheng has a cost-effective desulfurization system Powder equipment, a major breakthrough in desulfurization and pulverization equipment technology!
It is reported that in November 2010, the Xinjiang Environmental Energy Project of PetroChina used a desulfurization unit composed of WF120, DPX90, and YM150 produced by Zhengzhou Dingsheng. Among them, the YM150 pre-grinding machine has a design time of 30-50t/h, and the feed size is 30-50t/h.
The desulfurization grinding system developed by Zhengzhou Dingsheng is mainly composed of a loader, a feeder, a single-stage fine crusher, and a high-efficiency pre-grinding machine. During work, the material is transported to the feeder silo through the loader and other equipment to make the material Feed evenly into the single-stage fine crusher for fine crushing. After the fine crushing, the material enters the grading sieve through the elevator for screening, and then the finished material that meets the requirements is screened out into the finished product warehouse through the coarse and fine powder separator, and the unnecessary ultra-fine powder enters the collection. In the dust system, the coarse particles on the screen enter the YM high-efficiency pre-mill for internal classification and crushing, and then enter the screening equipment through the elevator to achieve circular screening.
Dingsheng’s “Three Low” desulfurization powder mill has the following characteristics: 1. Low ultrafine powder, which will cause waste and secondary pollution, within 10% of ultrafine powder; 2. Low investment, saving more than 30% of conventional investment; 3. Low power consumption, saving more than 40% power than conventional equipment.
Among them, the Dingsheng single-stage fine crusher is mainly used for fine crushing before grinding, and the Dingsheng fine crusher is mainly developed for the characteristics of limestone. It changes the traditional two-stage and three-stage crushing into a single-stage fine crushing, which saves half of the investment. The hammer is also inlaid with tungsten. Titanium alloy casting hammers are highly wear-resistant and play a pivotal role in the desulfurization system.
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