Hot slag dry treatment and waste heat utilization system and method
A technology of dry processing and hot slag, which is applied in the field of hot slag treatment, can solve the problems of unenvironmental protection and unused heat in hot slag treatment, and achieve the effect of low energy consumption
Active Publication Date: 2016-04-20
四川川润股份有限公司
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Problems solved by technology
[0008] The present invention overcomes the deficiencies of the prior art, and provides a hot slag dry treatment and waste heat utilization system and method thereof, which are used to solve the technical problems that the hot slag treatment is not environmentally friendly and the heat is not used
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[0045] The present invention will be further described in detail below in conjunction with examples, but the implementation of the present invention is not limited thereto.
[0046] 1. Granulation:
[0047] Such as figure 1 As shown, figure 1 In order to illustrate the structure of a hot-melt slag dry processing system according to an embodiment of the present invention, a hot-melt slag dry processing system 100 includes an annular running track 110, a slag tank (not shown in the figure), and a slag tapping machine 102; hot material inlet 103, cold material inlet 104 and slag outlet 105 are provided at different positions of the circular running track 110; the slag tank is used to hold hot molten slag, and there are at least two, and are arranged in the circular operation On the track 110, one of the at least two slag tanks is loaded with hot molten slag through the hot material inlet 103 and travels along the circular orbiting track 110 to the cold material inlet 104, and then pas...
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The invention discloses a dry method processing and waste heat utilizing system for hot molten slag and a method of the dry method processing and waste heat utilizing system. The dry method processing and waste heat utilizing system comprises an annular revolving track and at least two slag tanks, wherein a hot material inlet, a cold material inlet and a slag outlet are formed in different positions of the annular revolving track; the slag tanks are used for containing hot molten slag and are arrayed on the annular revolving track, and after being charged with the hot molten slag through the hot material inlet, one slag tank moves to the cold material inlet along the annular revolving track, is added with cold materials through the cold material inlet and then continuously moves to the slag outlet along the annular revolving track; and the hot molten slag discharged from the hot molten slag can be recycled through the waste heat utilizing system. The dry method processing and waste heat utilizing system does not generate and discharge large amounts of steam and sulfide and has the advantages of low energy consumption, environmental friendliness and low carbon.
Description
Technical field [0001] The invention relates to the technical field of hot molten slag processing, in particular to a system and method for dry hot molten slag processing and waste heat utilization. Background technique [0002] Water quenching slag is a process in which high-temperature hot molten slag is rapidly cooled, shrinked and released by spraying water on hot molten slag, thereby forming a granular slag with rough surface. This method is widely used in various hot-melt slag treatment technologies, such as blast furnace slag, steel slag, smelting water quenching slag containing indium, lead and antimony, and so on. [0003] Taking blast furnace slag as an example, blast furnace slag treatment methods are mainly divided into dry slag and water quenched slag. Due to the serious environmental pollution of dry slag treatment and the low resource utilization rate, it is rarely used now, and generally only in accident handling. Set up dry slag pits or slag tanks for slag dischar...
Claims
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IPC IPC(8): C21B3/06F27D17/00
CPCY02P10/20Y02P10/25Y02W30/50
Inventor 张晨汪建业李辉蒋鼎琮张建华李天丽吴定房刘福兰
Owner 四川川润股份有限公司