Heap leaching is a special bacterial microbial growth in an acidic mine water, which many types, such as iron oxide, sulfur bacteria, Thiobacillus ferrooxidans, Thiobacillus type macrophages facultative bacteria resistant, curing some of the genus lobes thermophilic bacteria, poly Thiobacillus and the like. However, the main application in production practice is Thiobacillus ferrooxidans. It has a short rod shape, about 1.0 to 1.5 μm in length and 0.5 μm in width, and exists in a single or in pairs, and can be actively moved, and Gram stain is negative. It is a self-fertilizing bacteria, which uses energy released during the process of oxidizing sulfide ore, elemental sulfur, ferrous sulfate, and arsenic pyrite to synthesize cells and synthesize them in a carbon dioxide source in the air. Its growth and breeding conditions are: the optimum temperature is 25-35 ° C, the growth is slow below 16 ° C, and the death is above 45 ° C; the pH of the medium is 1.5-4.0, and the pH is 1.5-3.0. Must have sufficient oxygen or air and be sensitive to organic matter.
Since Thiobacillus ferrooxidans is an exothermic reaction in the oxidation of sulfide ore, and it cannot adapt to higher temperatures, many scholars actively seek and study heat-resistant strains, such as facultative heat-resistant seedlings S [6] , and vulcanization. The spores, etc., are said to grow and reproduce at 70 °C.
The application of automation technology in packaging machinery is reflected in
many levels, in which the application of the traditional system of packaging equipment plays a positive role. The transmission system can transport the non
packed articles to the packaging machinery, and the goods can be transported to
the designated location. Under the application of automation technology, the
motor can be effectively controlled to control the production speed. Under the
application of frequency conversion controller, the speed and accuracy of the
production can be well controlled by combining the signal detected by the
equipment, and the response speed and operation efficiency can be effectively
promoted to a great extent
After the automatic transformation of the ordinary packaging machine, the efficiency of the Automatic Packing Machine has been improved
obviously. The original packaging machine needs a person to control, after the
transformation, a worker can simultaneously control two packing machines. At the
same time, packing machine after modification greatly improves machining
precision caused by human error rejection rate decreased significantly.
Moreover, the labor intensity of workers is reduced, labor force is saved, the
trial production cycle and production cycle of new products are shortened, and
great economic benefits are brought to enterprises.
Automatic Packing Machine
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