A sealing cover for a rotary kiln
A sealing cover and rotary furnace technology, which is applied in the direction of rotary drum furnace, furnace, furnace type, etc., can solve the problems of material entry, dynamic seal jamming, and dust in rotary furnace tubes, etc., and achieves simple structure, guaranteed sealing, and practicality strong effect
Active Publication Date: 2019-01-01
GANZHOU NONFERROUS METALLURGICAL MACHINERY
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Problems solved by technology
[0002] Chinese Patent: Publication No.: CN103603955A discloses a dynamic sealing connection device for a rotary furnace, which can well solve the problem that the rotary furnace cannot be fed with air such as roasting blue tungsten and violet tungsten during actual use. For example, when roasting yellow tungsten, the common practice of operators is to open the viewing hole on the discharge hood, but when opening the viewing hole, due to the high temperature inside the rotary furnace, the air outside the furnace will supplement and enter, which will form an airflow, which will cause the rotary furnace There is dust in the furnace tube, and even the material enters the dynamic seal of the rotary kiln, causing the dynamic seal to be stuck
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[0013] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
[0014] see figure 1 A sealing cover for a rotary furnace comprises a rotary cylinder 1, a dynamic seal 2, an intermediate chamber 3, an exhaust port 4, a cover sealing ring 5, a sealing chamber 6 and a dynamic sealing ring 7.
[0015] In this embodiment, a dynamic seal 2 is installed on the rotary cylinder 1, a dynamic seal ring 7 is installed on the dynamic seal 2, the front end of the intermediate chamber 3 is connected to the dynamic seal 2, and the rear end of the intermediate chamber 3 is connected to the sealing chamber 6. In addition, an exhaust port 4 is arranged symmetrically up and down in the middle of the intermediate chamber 3, and the sealed chamber 6 closes the outlet of the rotating cylinder 1. A sealing ring is installed at the...
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A seal cover of a rotary furnace comprises a rotary drum body, a movable seal and double seal bins. The double seal bins comprise a middle bin and a seal bin. The movable seal is installed at the inlet end of the rotary drum body. The front end of the middle bin is connected with the movable seal. The back end of the middle bin is connected with the seal bin. The middle bin is provided with exhaust ports capable of being sealed. The seal bin is arranged at the outlet end of the rotary drum body and used for sealing an outlet of the rotary drum body. Meanwhile, a cover seal ring is arranged between the seal bin and the middle bin. The seal cover of the rotary furnace is of a double bin type structure, when air does not need to be fed in the rotary furnace, the middle bin is sealed. When the rotary furnace needs air, the middle bin is opened, and materials are not prone to entering the movable seal. In this way, the seal performance of the movable seal is guaranteed, and the phenomenon that when air is fed into the rotary furnace, the movable seal gets stuck can also be avoided; and the seal cover of the rotary furnace is simple in structure and high in practicability.
Description
technical field [0001] The invention relates to the technical field of sealing devices, in particular to a sealing cover of a rotary kiln. Background technique [0002] Chinese Patent: Publication No.: CN103603955A discloses a dynamic sealing connection device for a rotary furnace, which can well solve the problem that the rotary furnace cannot be fed with air such as roasting blue tungsten and violet tungsten during actual use. For example, when roasting yellow tungsten, the common practice of operators is to open the viewing hole on the discharge hood, but when opening the viewing hole, due to the high temperature inside the rotary furnace, the air outside the furnace will supplement and enter, which will form an airflow, which will cause the rotary furnace Dust appears in the furnace tube, and even materials enter the dynamic seal of the rotary kiln, causing the dynamic seal to be stuck. Contents of the invention [0003] The technical problem solved by the present inv...
Claims
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IPC IPC(8): F27B7/24
CPCF27B7/24
Inventor 方宣华
Owner GANZHOU NONFERROUS METALLURGICAL MACHINERY