Vacuum rotary kiln with mine dust return system
A rotary kiln and mine dust technology, applied in the field of vacuum rotary kiln, can solve the problems of flying dust and inability to collect mine dust well, and achieve the effect of saving heat energy, good effect and good working environment
Inactive Publication Date: 2013-04-24
伍耀明
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Problems solved by technology
The invention adopts the hot air pipe to indirectly heat the material. During dehydration, the material is not in direct contact with the hot air, only the water is evaporated, and there is no flue gas flow. The problem of flying dust; however, when the invention is applied to vacuum dehydration, the mine dust brought out by the rapid evaporation of water and the flow of flue gas cannot be well collected
Method used
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Embodiment Construction
[0016] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0017] Such as image 3 and Figure 4 As described above, a vacuum rotary kiln with a mineral dust return system includes a vacuum unit C1, a water vapor air cooling system C2, a product condensation collection system C3, a mineral dust return system C4, an automatic feeding system C5, a rotary kiln main body C6, a discharge Material system C7, product cooling discharge system C8 and hot air supply temperature control system C11, vacuum unit C1, water vapor air cooling system C2, product condensation collection system C3, mine dust return system C4, rotary kiln main body C6, discharge system C7 and The product cooling discharge system C8 is connected sequentially, the water vapor air cooling system C2 is connected with the water seal bucket C10, the product condensation collection system C3 is connected with the prod...
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The invention discloses a vacuum rotary kiln with a mine dust return system. The vacuum rotary kiln comprises the mine dust return system and a rotary kiln main body, wherein the rotary kiln main body comprises a kiln tail cover, the cross section of the kiln tail body is an ellipse, and the kiln tail cover is provided with a manhole; the mine dust return system comprises a dust receiving bucket, a dust scraping plate, a rising flue and a cyclone collector, and the dust receiving bucket is arranged in the kiln tail cover and is fixed on the top of a spiral feeding machine; the dust scraping plate is arranged in the kiln tail cover, the dust scraping plate is provided with a dust digging bucket, the rising flue and the cyclone collector are respectively arranged at the two ends of the kiln tail cover, and the rising flue horizontally turns and then is connected with the cyclone collector; and the cyclone collector is connected with a product condensation collecting system through a horizontal flue, and the cyclone collector controls mine dust to fall into the dust receiving bucket through a whirlwind dust receiving baiting pipe. The mine dust return system is arranged on the vacuum rotary kiln provided by the invention, so that the mine dust brought out by flash evaporation of moisture and flowing of smoke can directly return the vacuum rotary kiln.
Description
technical field [0001] The invention relates to the technical field of non-ferrous metal pyrometallurgy, in particular to a vacuum rotary kiln with an ore dust return system. Background technique [0002] Chinese patent 201210338370.7 discloses a vacuum rotary kiln, including a feeding device system, a rotary kiln device system, a discharge device system, a heating device system, and a dust treatment and recovery device system. The rotary kiln device system includes a kiln head cover and a kiln tail cover And the rotary kiln shell, the rotary kiln shell is supported by supporting wheels, the rotary kiln transmission gear and the kiln body dynamic sealing device are installed on the rotary kiln shell, and the hot air pipe, spiral deflector and "T" are installed inside the rotary kiln shell. "" type lifting plate, a "T" type lifting plate is installed between every two spiral deflectors; the hot air pipe includes the central main air pipe at the kiln head, the central main air...
Claims
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Inventor 伍耀明
Owner 伍耀明