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Clinker cooling apparatus

阅读:136发布:2024-02-22

专利汇可以提供Clinker cooling apparatus专利检索,专利查询,专利分析的服务。并且This invention provides a clinker cooling apparatus which comprises a grate type clinker cooler connected with a rotary kiln for calcining clinker, a moving bed type clinker cooler connected with said grate type clinker cooler, a breaker disposed between said two clinker coolers to break large masses of the clinker, and screening equipment disposed before and after said breaker, respectively, to separate the large masses and fine granules from the clinker. This clinker cooling apparatus preferably comprises, in addition to the foregoing members, a heat exchanger having a heat transmission surface, which is mounted in said moving bed type cooler to cool the clinker indirectly. This clinker cooling apparatus comprising a combination of grate type and moving bed type clinker coolers gives such high cooling effect and high heat recovery efficiency as will not be attainable by single use of either of the two coolers, and this clinker cooling apparatus is further advantageous in that the exhaust gas contains no dust or hardly any dust and it has a compact size.,下面是Clinker cooling apparatus专利的具体信息内容。

1. A clinker cooling apparatus comprising: a grate type clinker cooler to be connected with a rotary kiln, said cooler having therein grate means for supporting and conveying clinker of mixed granule size from the kiln through said cooler and further having means feeding cooling air through said grate means to cool the clinker on said grate means; first screening means for receiving the clinker of mixed granule from said grate type clinker cooler and for separating and discharging masses of clinker generally smaller than a first predetermined size from those generally larger than the first predetermined size; breaker means for breaking said larger masses of clinker separated by said first screening means into smaller masses; said first screening means further separating said smaller masses broken by said breaker means; second screening means for receiving said smaller masses of clinker discharged from said first screening means and for generally separating granules of clinker fineR than a second predetermined size that is substantially less than said first predetermined size from coarse granules; and a moving bed type clinker cooler for receiving and cooling the coarse granules separated by said first and second screening means, said moving bed type clinker cooler having tower means forming therein a moving bed of coarse clinker granules from said second screening means, and means for feeding cooling air through the moving bed of said coarse clinker granules in a direction reverse to the direction of movement of the moving bed to provide counter flow heat exchange.
2. The apparatus of claim 1, wherein said first screening means includes a common screen for receiving both the mixed granules from said grate type clinker cooler and the broken granules from said breaker means.
3. The apparatus of claim 1, wherein said moving bed type clinker cooler further includes heat exchange means provided within the interior of the moving bed of coarse granules and providing a heat transmission surface for cooling the coarse granule clinkers indirectly on one side and for providing a through passage for cooling fluid on the other side isolated from said coarse clinker granules.
4. The apparatus of claim 3 including means for providing the exhaust cooling air from said moving bed type clinker cooler as cooling air for said grate type clinker cooler.
5. The apparatus of claim 4, including means for collecting the exhaust cooling air from said grate type clinker cooler and providing at least a portion to the rotary kiln as combustion air.
6. The apparatus of claim 1, including means for providing the exhaust cooling air from said moving bed type clinker cooler as cooling air for said grate type clinker cooler.
7. The apparatus of claim 6, including means for collecting the exhaust cooling air from said grate type clinker cooler and providing at least a portion to the rotary kiln as combustion air.
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