Sealing structure of vacuum rake-type drying machine
A technology of rake dryer and sealing structure, which is applied in the direction of engine sealing, mechanical equipment, engine components, etc., can solve the problems of unreasonable sealing structure design, residual medium in sharp corners, poor friction pair strength, etc., and achieve reliable transmission. , Reduce the processing difficulty and ensure the effect of manufacturing and assembly accuracy
Inactive Publication Date: 2019-10-11
徐秀阳
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Problems solved by technology
The sealing structure design of the existing vacuum rake dryer is unreasonable, and the sealing performance is not good. Usually, the parts in contact with the medium are very easy to make the medium remain in the sharp corners and slits, which affects the use of the sealing structure, and the spindle will run in reverse. Causes a reverse mechanical impact on the parts, and the strength of the friction pair is poor, which can easily damage the parts
Method used
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Embodiment Construction
[0012] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments.
[0013] Such as figure 1 As shown, a sealing structure of a vacuum rake dryer includes a medium mechanical seal friction pair 1, a spring seat 3, a sealing cavity 4, an atmospheric mechanical seal friction pair 6, a shaft sleeve 7, a positioning block 8, a drive ring 9, a seal Liquid outlet 10, sealing liquid inlet 11 and main shaft 12, the upper and lower ends of the main shaft 12 are equipped with a shaft sleeve 7, the shaft sleeve 7 is provided with a first sealing cavity 4, and the first sealing cavity 4 A sealing liquid outlet 10 is installed inside, and an end cover 5 is installed on one side of the first sealing cavity 4, and an atmospheric mechanical seal friction pair 6 is arranged between the first sealing cavity 4 and the end cover 5. The friction pair 6 of the mechanical seal is of a rotating structure, a positioning block 8 is fixedly insta...
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The invention discloses a sealing structure of a vacuum rake-type drying machine. A shaft sleeve is arranged at the upper end and the lower end of a main shaft; a first sealing cavity is arranged above the shaft sleeve; a sealing liquid outlet is arranged in the first sealing cavity; one side of the first sealing cavity is provided with an end cover; an atmospheric mechanical sealing friction pairis arranged between the first sealing cavity and the end cover; the atmospheric mechanical sealing friction pair is of a rotary type structure; one side of the end cover is fixedly provided with a locating block; one side of the locating block is provided with a drive ring; the other end of the first sealing cavity is provided with a spring seat; one side of the spring seat is provided with a medium mechanical sealing friction pair; the medium mechanical sealing friction pair is of a static type structure; a second sealing cavity is arranged below the shaft sleeve in a sleeved manner; and a sealing liquid inlet is arranged in the second sealing cavity. The sealing structure is simple and reasonable in structural design, has excellent sealing performance, and is capable of effectively preventing a medium being left in sharp corners and slits; and the friction pairs are high in strength, so that the parts cannot be damaged.
Description
technical field [0001] The invention relates to the technical field of desiccants, in particular to a sealing structure of a vacuum rake dryer. Background technique [0002] In pharmaceutical, food, agricultural product processing and other industries, it is often necessary to remove moisture from wet-based materials in order to facilitate transportation, storage or meet the specified moisture content requirements for production. The operation of supplying heat to a solid material to vaporize its moisture is called drying. The drying operation is usually carried out under atmospheric pressure, but when the material is heat-sensitive, easily oxidizable or the moisture is an organic solvent (the mixture of its vapor and air has a certain explosion hazard), vacuum drying is generally used, and vacuum rake dryer is used in it One of the wider range of devices. The sealing structure design of the existing vacuum rake dryer is unreasonable, and the sealing performance is not goo...
Claims
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IPC IPC(8): F16J15/40F16J15/26F16J15/16
CPCF16J15/162F16J15/26F16J15/40
Inventor 徐秀阳
Owner 徐秀阳