Most of the original system's tower base, sub-cylinder, fan, and inlet and outlet flue have not been greatly modified. Save a lot of engineering costs. The practice of the project since its commissioning proves that the overall technical process of the project is mature and reliable. It reduces the waste discharge of slime, reduces environmental pollution, and creates certain social and environmental benefits. Recovering clean coal from waste coal slime saves resources and turns waste into treasure. Since the flotation clean coal is sold in the end-washed coal products in the factory, the ash content index of the washed coal is 11%-13%. Therefore, the flotation clean coal index is qualified. According to the actual operation, the benefits of the clean processing technology are obvious, and the problem of reprocessing of the abandoned slime in the plant has been initially solved. The sale of clean coal products from waste slime is equivalent to reducing the corresponding waste emissions. There are still some problems in the operation process of the clean coal processing technology of the abandoned coal slurry in the Fengyuan Coal Preparation Plant. First, the yield of clean coal has not yet reached the design requirements. Secondly, from the perspective of the entire clean processing process, the original coal of the plant is taken. The two separate recovery systems, which are relatively independent in mud water treatment, are closely integrated, which brings certain constraints and influences to the whole plant production. With the strengthening of management work, the improvement of the staff's operation level, and the implementation and improvement of the necessary technical reform work, the clean processing of the abandoned coal slurry in Fengyuan Coal Preparation Plant will surely receive more results, and will be more affected by the coal market. The impact of the environment, I believe that the road of coal slime treatment in the plant will certainly go wider and wider. The problem of flotation of anthracite is a problem in the washing process. The clean coal processing of the abandoned coal slurry in the Fengyuan Coal Preparation Plant has increased the production of clean coal in the coal preparation plant, increased economic benefits, and realized the transformation of waste into treasure; on the other hand, it has reduced the amount of slime waste. That is to reduce the pollution to the environment, improve the resource recovery rate, achieve better social benefits, and also make a useful exploration for the flotation of anthracite. (l) After two months of trial operation after the reform of the flue gas system, from the various parameters of the operation test, the system transformation completely realized the transformation target proposed before the transformation, and the smoke emission reached the national first-level discharge standard. (2) The biggest operational problem of the original system is that the machine is carrying water. After the modification, there is no abnormal vibration in the operation of the fan, and no liquid water appears in the outlet flue; the tail smoke temperature is between 5 ° C and 65 ° C, and basically no smoke is generated. The problem of condensation and condensation of gas solves the problem of fan and flue corrosion. (3) In the transformation target, it is required to have the desulfurization function. We use NaH waste liquid as the desulfurizer, and the absorption liquid sound is maintained at about 9. (4) From the perspective of operation, the stability and flexibility of the system after the transformation is superior to the original system, and it is praised by the factory.
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